/* ==========================================================================
   BESPOKE — Institutional Intelligence
   Design system & site styles
   --------------------------------------------------------------------------
   Type   : Newsreader (display serif) · Inter (UI/body) · IBM Plex Mono (in-product data only)
   Palette: near-black/porcelain canvas · cobalt signal, used sparingly
   Motion : enter ease-out ≤500ms · transform/opacity only · reduced-motion safe
   ========================================================================== */

/* ---------- 1. Tokens ---------------------------------------------------- */

:root {
  /* surfaces — near-black, minimal blue cast */
  --ink: #08090b;
  --navy-950: #0a0b0e;
  --navy-900: #121317;
  --navy-850: #17181d;
  --navy-800: #1e2026;
  --paper: #f5f5f4;
  --paper-2: #e9e9e8;
  --white: #ffffff;

  /* text — neutral grays */
  --t-bright: #f3f3f4;
  --t-dim: #a9abb1;
  --t-faint: #6c6f78;
  --ink-900: #111114;
  --ink-600: #53555d;
  --ink-400: #8b8d95;

  /* signal — cobalt kept as the deliberate accent, used sparingly */
  --cobalt: #2454d8;
  --cobalt-deep: #17348f;
  --cobalt-bright: #4a72f0;
  --sky: #b3b5bc;
  --ice: #d6d7db;
  --mint: #7fd6c2; /* success ticks only */

  /* lines — neutral hairlines */
  --line-dark: rgba(172, 174, 182, 0.13);
  --line-dark-strong: rgba(172, 174, 182, 0.24);
  --line-light: rgba(10, 10, 12, 0.1);
  --line-light-strong: rgba(10, 10, 12, 0.22);

  /* type */
  --serif: "Newsreader", "Iowan Old Style", "Palatino Linotype", Georgia, serif;
  --sans: "Inter", "Helvetica Neue", "Arial Nova", Arial, sans-serif;
  --mono: "IBM Plex Mono", "SF Mono", Menlo, monospace;

  /* rhythm */
  --sect: clamp(5.5rem, 11vw, 10rem);
  --gutter: clamp(1.25rem, 4vw, 3rem);
  --wide: 1360px;
  --main: 1160px;
  --narrow: 820px;

  /* motion */
  --ease-out: cubic-bezier(0.22, 0.61, 0.21, 1);
  --ease-io: cubic-bezier(0.45, 0, 0.25, 1);
  --fast: 160ms;
  --mid: 300ms;
  --slow: 520ms;

  --nav-h: 92px;

  /* derived surfaces */
  --surface-glass: color-mix(in srgb, var(--navy-950) 72%, transparent);
  --surface-float: color-mix(in srgb, var(--navy-900) 92%, transparent);
  --surface-menu: color-mix(in srgb, var(--navy-950) 97%, transparent);
  --surface-raised: color-mix(in srgb, var(--navy-900) 55%, transparent);
  --surface-inset: color-mix(in srgb, var(--navy-900) 50%, transparent);
  --surface-card-dark: color-mix(in srgb, var(--navy-800) 55%, var(--navy-900) 45%);
  --warn: #d4a574;
}

/* ---------- 2. Base ------------------------------------------------------ */

*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--ink-900);
  background: var(--navy-950);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
}

h1, h2, h3, h4, p, ul, ol, figure, blockquote { margin: 0; }
ul[class], ol[class] { padding: 0; list-style: none; }
img, svg, video, canvas { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
input, textarea, select { font: inherit; color: inherit; }
::selection { background: color-mix(in srgb, var(--cobalt-bright) 28%, transparent); }

body.nav-open { overflow: hidden; }

/* page fade-in */
@media (prefers-reduced-motion: no-preference) {
  body { animation: page-enter 480ms var(--ease-out) both; }
  @keyframes page-enter { from { opacity: 0; } to { opacity: 1; } }
}

main { display: block; }
section { scroll-margin-top: calc(var(--nav-h) + 12px); }

.skip-link {
  position: fixed; top: -100px; left: 16px; z-index: 300;
  padding: 0.6rem 1rem; background: var(--cobalt); color: #fff;
  border-radius: 6px; font-weight: 600; transition: top var(--fast) ease-out;
}
.skip-link:focus { top: 12px; }

:focus-visible { outline: 2px solid var(--cobalt-bright); outline-offset: 3px; border-radius: 2px; }

/* ---------- 3. Typography ------------------------------------------------ */

.display, .h1, .h2, .h3 {
  font-family: var(--serif);
  font-weight: 400;
  color: inherit;
  text-wrap: balance;
  letter-spacing: -0.01em;
}

.display {
  font-size: clamp(3.1rem, 8.4vw, 7rem);
  line-height: 1.02;
  font-optical-sizing: auto;
}
.h1 { font-size: clamp(2.7rem, 6vw, 4.9rem); line-height: 1.05; }
.h2 { font-size: clamp(2.1rem, 4.2vw, 3.5rem); line-height: 1.1; }
.h3 { font-size: clamp(1.45rem, 2.4vw, 1.9rem); line-height: 1.25; }

.display em, .h1 em, .h2 em, .h3 em, .quote em {
  font-style: italic;
  font-weight: 380;
}
.hero .display em { color: var(--cobalt-bright); }
.accent-ai { color: var(--cobalt-bright); }
.accent-word { color: var(--sky); }
.on-light .accent-word, .accent-word.on-light { color: var(--cobalt); }

.lede {
  font-size: clamp(1.1rem, 1.7vw, 1.3rem);
  line-height: 1.6;
  max-width: 34em;
}

.kicker {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  font-family: var(--sans);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: clamp(1.2rem, 2.5vw, 1.8rem);
}
.kicker::before {
  content: "";
  width: 34px; height: 1px;
  background: currentColor;
  opacity: 0.6;
  flex: none;
}
.kicker--center { justify-content: center; }
.kicker--center::after {
  content: ""; width: 34px; height: 1px; background: currentColor; opacity: 0.6; flex: none;
}

.dark { color: var(--t-bright); }
.dark .kicker { color: var(--sky); }
.dark .lede, .dark .body-dim { color: var(--t-dim); }
.on-light .kicker { color: var(--cobalt); }
.on-light .lede, .on-light .body-dim { color: var(--ink-600); }

.mono-note {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--t-faint);
}

/* headline mask reveal — visible by default; animate only when JS opts in */
.mask-line { display: block; overflow: hidden; padding-block: 0.06em; margin-block: -0.06em; }
.mask-line > span { display: block; opacity: 1; transform: none; }
@media (prefers-reduced-motion: no-preference) {
  .js.animate-headlines:not(.lines-in) .mask-line > span {
    transform: translateY(112%);
    opacity: 0.001;
  }
  .js.animate-headlines.lines-in .mask-line > span {
    transform: translateY(0);
    opacity: 1;
    transition: transform 760ms var(--ease-out), opacity 620ms linear;
    transition-delay: calc(var(--i, 0) * 95ms + var(--d, 0ms));
  }
}

/* ---------- 4. Layout ---------------------------------------------------- */

.container { width: min(var(--main), 100% - var(--gutter) * 2); margin-inline: auto; }
.container--wide { width: min(var(--wide), 100% - var(--gutter) * 2); }
.container--narrow { width: min(var(--narrow), 100% - var(--gutter) * 2); }

.section { padding-block: var(--sect); position: relative; }
.section--flush-top { padding-top: 0; }
.section--dark { background: var(--navy-950); }
.section--navy { background: var(--navy-900); }
.section--paper { background: var(--paper); }
.section--paper2 { background: var(--paper-2); }
.section--white { background: var(--white); }

.section-head { max-width: 780px; margin-bottom: clamp(2.6rem, 6vw, 4.5rem); }
.section-head--center { margin-inline: auto; text-align: center; }
.section-head .lede { margin-top: 1.4rem; }

/* Hub pages only: hide the redundant kicker that sat flush under the hero. */
body[data-page="legal"] .hero + .section .section-head > .kicker,
body[data-page="finance"] .hero + .section .section-head > .kicker,
body[data-page="edtech"] .hero + .section .section-head > .kicker,
body[data-page="general-services"] .hero + .section .section-head > .kicker {
  display: none;
}

.hairline { border: 0; height: 1px; background: var(--line-light); margin: 0; }
.dark .hairline { background: var(--line-dark); }

/* seam between dark and light sections */
.seam {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line-dark-strong), transparent);
}

/* ---------- 5. Buttons & links ------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.92rem 1.7rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
  line-height: 1;
  transition: transform var(--fast) ease-out, background-color var(--fast) ease-out,
    border-color var(--fast) ease-out, color var(--fast) ease-out, box-shadow var(--fast) ease-out;
  will-change: transform;
}
.btn:active { transform: translateY(1px) scale(0.99); }

.btn--primary {
  background: var(--cobalt);
  color: #fff;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.12) inset, 0 10px 28px -12px rgba(32, 80, 232, 0.55);
}
.btn--primary:hover { background: var(--cobalt-bright); box-shadow: 0 1px 0 rgba(255,255,255,0.16) inset, 0 14px 34px -12px rgba(61, 109, 255, 0.6); }

.btn--soft {
  background: rgba(74, 114, 240, 0.1);
  color: #c5d4fa;
  border: 1px solid rgba(74, 114, 240, 0.28);
  box-shadow: none;
}
.btn--soft:hover {
  background: rgba(74, 114, 240, 0.18);
  border-color: rgba(74, 114, 240, 0.42);
  color: var(--t-bright);
  box-shadow: none;
}

.btn--white { background: var(--white); color: var(--ink-900); box-shadow: 0 10px 28px -14px rgba(2, 8, 24, 0.5); }
.btn--white:hover { background: var(--ice); }

.btn--ghost { border: 1px solid var(--line-dark-strong); color: var(--t-bright); }
.btn--ghost:hover { border-color: rgba(172, 174, 182, 0.55); background: rgba(172, 174, 182, 0.07); }

.btn--ghost-light { border: 1px solid var(--line-light-strong); color: var(--ink-900); }
.btn--ghost-light:hover { border-color: var(--cobalt); color: var(--cobalt); }

.btn .arr { transition: transform var(--fast) ease-out; }
.btn:hover .arr { transform: translateX(3px); }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--cobalt);
}
.dark .link-arrow { color: var(--sky); }
.link-arrow .arr { transition: transform var(--fast) ease-out; }
.link-arrow:hover .arr { transform: translateX(4px); }
.link-arrow::after {
  content: ""; position: absolute; inset: -6px; /* larger hit area */
}
.link-arrow { position: relative; }

.u-line {
  background-image: linear-gradient(currentColor, currentColor);
  background-size: 0% 1px;
  background-position: 0 100%;
  background-repeat: no-repeat;
  transition: background-size var(--mid) var(--ease-out);
}
.u-line:hover { background-size: 100% 1px; }

/* ---------- 6. Navigation ------------------------------------------------ */

.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 200;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  color: var(--t-bright);
  transition: height var(--mid) var(--ease-io), background-color var(--mid) linear,
    border-color var(--mid) linear, backdrop-filter var(--mid) linear;
  border-bottom: 1px solid transparent;
  background: transparent;
}
.nav.is-scrolled {
  height: 74px;
  background: var(--surface-glass);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  backdrop-filter: blur(18px) saturate(140%);
  border-bottom-color: var(--line-dark);
}
.nav__inner {
  width: min(var(--wide), 100% - var(--gutter) * 2);
  margin-inline: auto;
  display: flex;
  align-items: center;
  gap: 3rem;
}

.scroll-progress {
  position: absolute;
  left: 0; right: 0; bottom: -1px;
  height: 1.5px;
  background: linear-gradient(90deg, var(--cobalt), var(--cobalt-bright));
  transform: scaleX(0);
  transform-origin: left;
  opacity: 0;
  transition: opacity var(--mid) linear;
  pointer-events: none;
}
.nav.is-scrolled .scroll-progress { opacity: 1; }

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-family: var(--sans);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: -0.02em;
  text-transform: none;
  color: var(--t-bright);
}
.brand__mark {
  flex: none;
  height: 32px;
  width: auto;
  margin-right: 0;
  align-self: center;
  transform: translateY(0.1em);
  border-radius: 8px;
  object-fit: contain;
  transition: transform 300ms var(--ease-out);
}
.brand:hover .brand__mark { transform: translateY(0.1em) scale(1.06); }
.brand__wordmark {
  line-height: 1;
  white-space: nowrap;
}

.nav .brand {
  font-size: 1.58rem;
  gap: 0.35rem;
  margin-right: 1.25rem;
  flex-shrink: 0;
}
.nav .brand__wordmark {
  color: var(--t-bright);
}
.nav .brand__mark {
  height: 40px;
  width: auto;
  transform: translateY(0.08em);
  border-radius: 11px;
}
.nav .brand:hover .brand__mark { transform: translateY(0.08em) scale(1.06); }

.nav__links {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin-left: auto;
}
.nav__link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.65rem 1rem;
  font-size: 1rem;
  font-weight: 500;
  color: var(--t-dim);
  border-radius: 8px;
  transition: color var(--fast) ease-out, background-color var(--fast) ease-out;
}
.nav__link:hover, .nav__link[aria-expanded="true"] { color: var(--t-bright); background: rgba(172, 174, 182, 0.08); }
.nav__link.is-active { color: var(--t-bright); }
.nav__link.is-active::after {
  content: "";
  position: absolute;
  left: 0.85rem; right: 0.85rem; bottom: 0.2rem;
  height: 1px;
  background: var(--sky);
}
.nav__link .chev { transition: transform var(--fast) ease-out; }
.nav__link[aria-expanded="true"] .chev { transform: rotate(180deg); }

.nav__cta { margin-left: 1.35rem; padding: 0.78rem 1.55rem; font-size: 0.95rem; }

/* dropdown */
.nav__item { position: relative; }
.dropdown {
  position: absolute;
  top: calc(100% + 12px);
  left: 50%;
  translate: -50% 0;
  min-width: 400px;
  padding: 0.5rem;
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--navy-850) 88%, white 4%) 0%, var(--navy-900) 100%);
  -webkit-backdrop-filter: blur(24px) saturate(140%);
  backdrop-filter: blur(24px) saturate(140%);
  border: 1px solid var(--line-dark-strong);
  border-radius: 14px;
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.05) inset,
    0 28px 56px -18px rgba(2, 6, 18, 0.82),
    0 10px 24px -12px rgba(36, 84, 216, 0.14);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px) scale(0.98);
  transform-origin: top center;
  transition: opacity 200ms ease-out, transform 220ms var(--ease-out), visibility 0s linear 220ms;
  z-index: 120;
}
.dropdown::before {
  content: "";
  position: absolute;
  top: -5px;
  left: 50%;
  translate: -50% 0;
  width: 10px;
  height: 10px;
  background: color-mix(in srgb, var(--navy-850) 88%, white 4%);
  border-left: 1px solid var(--line-dark-strong);
  border-top: 1px solid var(--line-dark-strong);
  rotate: 45deg;
}
.nav__item.is-open .dropdown,
.nav__item:focus-within .dropdown {
  opacity: 1; visibility: visible; transform: translateY(0) scale(1);
  transition-delay: 0s;
}
.dropdown a {
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 0.95rem;
  align-items: start;
  padding: 0.85rem 0.95rem;
  border-radius: 10px;
  transition: background-color var(--fast) ease-out, border-color var(--fast) ease-out;
}
.dropdown a + a {
  margin-top: 0.15rem;
  border-top: 1px solid var(--line-dark);
  padding-top: calc(0.85rem + 0.15rem);
}
.dropdown a:hover {
  background: color-mix(in srgb, var(--cobalt) 8%, transparent);
}
.dropdown .dd-ico {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border: 1px solid color-mix(in srgb, var(--cobalt) 30%, transparent);
  border-radius: 10px;
  color: var(--sky);
  background: color-mix(in srgb, var(--cobalt) 10%, transparent);
  flex-shrink: 0;
}
.dropdown a:hover .dd-ico {
  border-color: color-mix(in srgb, var(--cobalt) 48%, transparent);
  background: color-mix(in srgb, var(--cobalt) 18%, transparent);
  color: var(--t-bright);
}
.dropdown a > span:not(.dd-ico) {
  display: block;
  min-width: 0;
}
.dropdown b {
  display: block;
  font-family: var(--sans);
  font-weight: 600;
  font-size: 0.98rem;
  color: var(--t-bright);
  letter-spacing: 0.01em;
  line-height: 1.3;
}
.dropdown a > span:not(.dd-ico) > span {
  display: block;
  font-size: 0.86rem;
  color: var(--t-dim);
  line-height: 1.45;
  margin-top: 0.2rem;
}
.dropdown a::after {
  content: none;
}

/* mobile toggle */
.nav__burger {
  display: none;
  margin-left: auto;
  width: 44px;
  height: 44px;
  position: relative;
  z-index: 1;
  border: 1px solid var(--line-dark-strong);
  border-radius: 10px;
  background: color-mix(in srgb, var(--navy-900) 55%, transparent);
  transition: border-color var(--fast) ease-out, background-color var(--fast) ease-out;
}
.nav__burger:hover {
  border-color: rgba(172, 174, 182, 0.45);
  background: rgba(172, 174, 182, 0.08);
}
.nav__burger span {
  position: absolute;
  left: 11px;
  right: 11px;
  height: 1.6px;
  background: var(--t-bright);
  transition: transform var(--mid) var(--ease-io), opacity var(--fast) linear, top var(--mid) var(--ease-io);
}
.nav__burger span:nth-child(1) { top: 14px; }
.nav__burger span:nth-child(2) { top: 21px; }
.nav__burger span:nth-child(3) { top: 28px; }
body.nav-open .nav__burger span:nth-child(1) { top: 21px; transform: rotate(45deg); }
body.nav-open .nav__burger span:nth-child(2) { opacity: 0; }
body.nav-open .nav__burger span:nth-child(3) { top: 21px; transform: rotate(-45deg); }
body.nav-open .nav { z-index: 230; }

/* mobile overlay */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 210;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--mid) ease-out, visibility 0s linear var(--mid);
}
body.nav-open .mobile-menu {
  pointer-events: auto;
  opacity: 1;
  visibility: visible;
  transition-delay: 0s;
}
.mobile-menu__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(2, 4, 10, 0.42);
  opacity: 0;
  transition: opacity var(--mid) ease-out;
}
body.nav-open .mobile-menu__backdrop { opacity: 1; }
.mobile-menu__panel {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  background: var(--surface-menu);
  -webkit-backdrop-filter: blur(24px);
  backdrop-filter: blur(24px);
  padding:
    max(0.85rem, env(safe-area-inset-top))
    max(var(--gutter), env(safe-area-inset-right))
    max(1rem, env(safe-area-inset-bottom))
    max(var(--gutter), env(safe-area-inset-left));
  transform: translateY(-8px);
  transition: transform 460ms var(--ease-out);
}
body.nav-open .mobile-menu__panel { transform: none; }
.mobile-menu__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--line-dark);
  flex: none;
}
.mobile-menu__header .brand {
  font-size: 1.32rem;
  gap: 0.35rem;
}
.mobile-menu__header .brand__mark {
  height: 38px;
  width: auto;
}

.mobile-menu__close {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-dark-strong);
  border-radius: 10px;
  color: var(--t-bright);
  background: color-mix(in srgb, var(--navy-900) 55%, transparent);
  transition: border-color var(--fast) ease-out, background-color var(--fast) ease-out, color var(--fast) ease-out;
}
.mobile-menu__close:hover {
  border-color: rgba(172, 174, 182, 0.45);
  background: rgba(172, 174, 182, 0.08);
}
.mobile-menu__nav {
  flex: 1;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 1.25rem 0 1rem;
  display: grid;
  align-content: start;
  gap: 0.2rem;
}
.mobile-menu__item--link,
.mobile-menu__toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  min-height: 52px;
  padding: 0.45rem 0.15rem;
  font-family: var(--serif);
  font-size: clamp(1.65rem, 5.5vw, 2rem);
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--t-dim);
  border-radius: 8px;
  transition: color var(--fast) ease-out, background-color var(--fast) ease-out;
}
.mobile-menu__item--link:hover,
.mobile-menu__toggle:hover,
.mobile-menu__item--link.is-active,
.mobile-menu__toggle.is-active,
.mobile-menu__toggle[aria-expanded="true"] {
  color: var(--t-bright);
}
.mobile-menu__toggle {
  background: none;
  border: none;
  text-align: left;
  cursor: pointer;
}
.mobile-menu__toggle .chev {
  flex: none;
  margin-left: 1rem;
  opacity: 0.7;
  transition: transform var(--fast) ease-out;
}
.mobile-menu__toggle[aria-expanded="true"] .chev { transform: rotate(180deg); }
.mobile-menu__sub {
  display: grid;
  gap: 0.15rem;
  padding: 0.35rem 0 0.75rem 0.25rem;
}
.mobile-menu__sub[hidden] { display: none; }
.mobile-menu__sub-link {
  display: grid;
  gap: 0.25rem;
  padding: 0.85rem 0.15rem;
  border-radius: 8px;
  transition: background-color var(--fast) ease-out;
}
.mobile-menu__sub-link:hover,
.mobile-menu__sub-link.is-active {
  background: rgba(172, 174, 182, 0.08);
}
.mobile-menu__sub-link b {
  font-family: var(--sans);
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--t-bright);
}
.mobile-menu__sub-link span {
  font-family: var(--sans);
  font-size: 0.86rem;
  line-height: 1.45;
  color: var(--t-faint);
}
.mobile-menu__sub-link.is-active b { color: var(--sky); }
.mobile-menu__footer {
  flex: none;
  padding-top: 1rem;
  border-top: 1px solid var(--line-dark);
}
.mobile-menu__footer .btn {
  width: 100%;
  justify-content: center;
}
@media (prefers-reduced-motion: no-preference) {
  .mobile-menu__item {
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 400ms ease-out, transform 460ms var(--ease-out);
  }
  body.nav-open .mobile-menu__item {
    opacity: 1;
    transform: none;
    transition-delay: calc(40ms + var(--i, 0) * 45ms);
  }
  .mobile-menu__item:nth-child(1) { --i: 0; }
  .mobile-menu__item:nth-child(2) { --i: 1; }
  .mobile-menu__item:nth-child(3) { --i: 2; }
  .mobile-menu__item:nth-child(4) { --i: 3; }
  .mobile-menu__item:nth-child(5) { --i: 4; }
  .mobile-menu__sub-link {
    opacity: 0;
    transform: translateX(-18px);
    transition:
      opacity 400ms ease-out,
      transform 460ms var(--ease-out),
      background-color var(--fast) ease-out;
  }
  .mobile-menu__item--dd.is-sub-reveal .mobile-menu__sub-link {
    opacity: 1;
    transform: translateX(0);
    transition-delay: calc(70ms + var(--si, 0) * 70ms);
  }
  .mobile-menu__sub-link:nth-child(1) { --si: 0; }
  .mobile-menu__sub-link:nth-child(2) { --si: 1; }
  .mobile-menu__sub-link:nth-child(3) { --si: 2; }
  .mobile-menu__footer {
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 400ms ease-out, transform 460ms var(--ease-out);
    transition-delay: 130ms;
  }
  body.nav-open .mobile-menu__footer {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 1140px) {
  .nav__links { display: none; }
  .nav__burger { display: block; }
}

/* ---------- 7. Hero ------------------------------------------------------ */

.hero {
  position: relative;
  color: var(--t-bright);
  background: var(--navy-950);
  padding-top: calc(var(--nav-h) + clamp(3.5rem, 9vh, 7rem));
  padding-bottom: clamp(3rem, 7vw, 5.5rem);
  overflow: clip;
}
.hero--tall { min-height: min(92vh, 980px); display: flex; flex-direction: column; justify-content: center; }

.hero__bg, .hero__canvas {
  position: absolute; inset: 0;
  pointer-events: none;
}
.hero__canvas { width: 100%; height: 100%; }

/* layered ambient: radial glow + hairline grid, masked */
.hero__bg {
  background:
    radial-gradient(1100px 520px at 78% -10%, rgba(36, 84, 216, 0.09), transparent 65%),
    radial-gradient(900px 600px at 12% 108%, rgba(255, 255, 255, 0.03), transparent 60%);
}
.hero__bg::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--line-dark) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-dark) 1px, transparent 1px);
  background-size: 88px 88px;
  -webkit-mask-image: radial-gradient(1200px 700px at 65% 10%, rgba(0,0,0,0.75), transparent 78%);
  mask-image: radial-gradient(1200px 700px at 65% 10%, rgba(0,0,0,0.75), transparent 78%);
}
.hero__bg::after {
  /* bottom fade so hero seats into next section */
  content: "";
  position: absolute; inset: auto 0 0 0; height: 180px;
  background: linear-gradient(to bottom, transparent, var(--navy-950));
}

.hero__content { position: relative; z-index: 2; }
.hero .kicker { color: var(--sky); }
.hero .lede { color: var(--t-dim); margin-top: 1.6rem; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 0.9rem; margin-top: 2.4rem; align-items: center; }

.hero__meta {
  margin-top: clamp(2.8rem, 6vh, 4.5rem);
  display: flex;
  gap: 2.2rem;
  flex-wrap: wrap;
  font-family: var(--sans);
  font-weight: 600;
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--t-faint);
}
.hero__meta span { display: inline-flex; align-items: center; gap: 0.55rem; }
.hero__meta i {
  width: 5px; height: 5px; border-radius: 50%;
  background: var(--cobalt-bright);
  box-shadow: 0 0 10px 1px rgba(61, 109, 255, 0.8);
}

/* interior page hero (smaller) */
.hero--page { padding-top: calc(var(--nav-h) + clamp(3rem, 8vh, 5.5rem)); }
.hero--page .display { font-size: clamp(2.8rem, 6.6vw, 5.6rem); }
.hero--page .hero__content > * {
  opacity: 1;
  transform: none;
}

/* scroll cue */
.scroll-cue {
  display: inline-flex; align-items: center; gap: 0.6rem;
  font-family: var(--sans); font-size: 0.7rem; letter-spacing: 0.1em; font-weight: 600; text-transform: uppercase;
  color: var(--t-faint);
}
.scroll-cue svg { animation: cue-drift 2.2s var(--ease-io) infinite; }
@keyframes cue-drift {
  0%, 100% { transform: translateY(0); opacity: 0.7; }
  50% { transform: translateY(5px); opacity: 1; }
}
@media (prefers-reduced-motion: reduce) { .scroll-cue svg { animation: none; } }

/* ---------- 8. Reveal utilities ------------------------------------------ */

@media (prefers-reduced-motion: no-preference) {
  .js [data-reveal] {
    opacity: 0.001;
    transform: translateY(18px);
    transition: opacity 640ms ease-out, transform 700ms var(--ease-out);
    transition-delay: calc(var(--i, 0) * 80ms);
  }
  .js [data-reveal].is-visible { opacity: 1; transform: none; }
  .js [data-reveal="fade"] { transform: none; }
  .js [data-reveal="left"] { transform: translateX(-24px); }
  .js [data-reveal="right"] { transform: translateX(24px); }
  .js [data-reveal="scale"] { transform: scale(0.96); }
  .js [data-reveal].is-visible { transform: none; }
}

/* number counters hold layout */
.stat b { font-variant-numeric: tabular-nums; }

/* ---------- 9. Spot cards (cursor-tracking sheen) ------------------------- */

.spot-card {
  position: relative;
  border: 1px solid var(--line-light);
  border-radius: 18px;
  background: var(--white);
  overflow: hidden;
  transition: border-color var(--mid) ease-out, transform var(--mid) var(--ease-out), box-shadow var(--mid) ease-out;
}
.spot-card::before {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(260px circle at var(--mx, 50%) var(--my, 50%), rgba(32, 80, 232, 0.09), transparent 62%);
  opacity: 0;
  transition: opacity var(--mid) ease-out;
  pointer-events: none;
}
.spot-card:hover { border-color: rgba(32, 80, 232, 0.35); transform: translateY(-3px); box-shadow: 0 24px 48px -28px rgba(12, 26, 58, 0.35); }
.spot-card:hover::before { opacity: 1; }

.dark .spot-card, .spot-card--dark {
  background: linear-gradient(180deg, color-mix(in srgb, var(--navy-800) 55%, transparent), color-mix(in srgb, var(--navy-900) 65%, transparent));
  border-color: var(--line-dark);
}
.dark .spot-card::before, .spot-card--dark::before {
  background: radial-gradient(280px circle at var(--mx, 50%) var(--my, 50%), rgba(93, 140, 255, 0.13), transparent 62%);
}
.dark .spot-card:hover, .spot-card--dark:hover { border-color: rgba(172, 174, 182, 0.4); box-shadow: 0 30px 60px -30px rgba(0, 0, 0, 0.6); }

/* ---------- 10. Demo player ---------------------------------------------- */

.demo-section {
  position: relative;
  padding-bottom: var(--sect);
  background: var(--navy-950);
}
.demo-wrap { position: relative; z-index: 3; }

.demo-shell {
  position: relative;
  border-radius: 20px;
  padding: 1px; /* gradient border */
  background: linear-gradient(160deg, rgba(172, 174, 182, 0.34), rgba(172, 174, 182, 0.07) 30%, rgba(36, 84, 216, 0.28) 90%);
  box-shadow:
    0 40px 110px -36px rgba(2, 6, 20, 0.9),
    0 0 70px -32px rgba(36, 84, 216, 0.3);
}
.demo-frame {
  border-radius: 19px;
  overflow: hidden;
  background: var(--navy-950);
}

/* chrome bar */
.demo-chrome {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.7rem 1.1rem;
  background: rgba(13, 23, 48, 0.85);
  border-bottom: 1px solid var(--line-dark);
}
.demo-chrome .dots { display: flex; gap: 6px; }
.demo-chrome .dots i { width: 10px; height: 10px; border-radius: 50%; background: #223056; }
.demo-chrome .addr {
  flex: 1;
  max-width: 380px;
  margin-inline: auto;
  display: flex; align-items: center; justify-content: center; gap: 0.5rem;
  font-family: var(--sans); font-weight: 500; font-size: 0.78rem; letter-spacing: 0.01em;
  color: var(--t-dim);
  background: rgba(5, 8, 15, 0.6);
  border: 1px solid var(--line-dark);
  border-radius: 7px;
  padding: 0.38rem 0.9rem;
}
.demo-chrome .addr svg { opacity: 0.7; }
.demo-chrome .addr__app { display: none; }
.demo-live {
  font-family: var(--sans); font-weight: 600; font-size: 0.68rem; letter-spacing: 0.1em;
  color: var(--sky);
  display: inline-flex; align-items: center; gap: 0.45rem;
}
.demo-live i { width: 6px; height: 6px; border-radius: 50%; background: var(--cobalt-bright); box-shadow: 0 0 8px 1px rgba(61,109,255,.9); }
@media (prefers-reduced-motion: no-preference) {
  .demo-live i { animation: live-pulse 2s ease-in-out infinite; }
  @keyframes live-pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.35; } }
}

/* stage */
.demo-stage {
  position: relative;
  aspect-ratio: 16 / 9.4;
  container-type: size;
  background:
    radial-gradient(120% 90% at 80% -10%, rgba(32, 80, 232, 0.09), transparent 60%),
    var(--navy-950);
  color: var(--t-bright);
  font-size: 1.55cqw;
  overflow: hidden;
  isolation: isolate;
}

/* app layout inside stage */
.app { position: absolute; inset: 0; display: grid; grid-template-columns: 17.5cqw 1fr; }
.app__side {
  border-right: 1px solid var(--line-dark);
  background: rgba(9, 15, 32, 0.75);
  padding: 1.6cqw 1.2cqw;
  display: flex; flex-direction: column; gap: 0.5cqw;
}
.app__logo {
  display: flex; align-items: center; gap: 0.35cqw;
  font-family: var(--sans);
  font-weight: 600;
  letter-spacing: -0.02em;
  font-size: 1.15cqw;
  text-transform: none;
  padding: 0.4cqw 0.8cqw 1.6cqw;
  color: var(--t-bright);
}
.app__logo svg,
.app__logo img { height: 1.95cqw; width: auto; transform: translateY(0.08em); }
.app__nav-label { font-family: var(--mono); font-size: 0.78cqw; letter-spacing: 0.22em; color: var(--t-faint); padding: 0.9cqw 0.8cqw 0.5cqw; }
.app__item {
  display: flex; align-items: center; gap: 0.9cqw;
  padding: 0.85cqw 0.9cqw;
  border-radius: 0.7cqw;
  font-size: 1.18cqw; font-weight: 500;
  color: var(--t-dim);
  border: 1px solid transparent;
  transition: background-color var(--mid) ease-out, color var(--mid) ease-out, border-color var(--mid) ease-out;
}
.app__item svg { width: 1.35cqw; height: 1.35cqw; opacity: 0.85; }
.app__item.is-active {
  background: rgba(32, 80, 232, 0.16);
  border-color: rgba(61, 109, 255, 0.35);
  color: var(--t-bright);
}
.app__item .badge {
  margin-left: auto;
  font-family: var(--mono); font-size: 0.8cqw;
  background: rgba(61, 109, 255, 0.22);
  color: var(--sky);
  padding: 0.1cqw 0.55cqw;
  border-radius: 999px;
  opacity: 0;
  transform: scale(0.8);
  transition: opacity var(--mid) ease-out, transform var(--mid) var(--ease-out);
}
.app__item .badge.is-on { opacity: 1; transform: none; }
.app__side .side-meta {
  margin-top: auto;
  border-top: 1px solid var(--line-dark);
  padding-top: 1.1cqw;
  font-family: var(--mono); font-size: 0.75cqw; letter-spacing: 0.08em;
  color: var(--t-faint);
  display: grid; gap: 0.5cqw;
}
.side-meta em { color: var(--mint); font-style: normal; }

.app__main { position: relative; overflow: hidden; }

/* scenes */
.scene {
  position: absolute; inset: 0;
  padding: 1.8cqw 2.2cqw;
  opacity: 0;
  visibility: hidden;
  transform: translateY(1.2cqw);
  transition: opacity 420ms ease-out, transform 480ms var(--ease-out), visibility 0s linear 480ms;
}
.scene.is-live {
  opacity: 1; visibility: visible; transform: none;
  transition-delay: 60ms, 60ms, 0s;
}

.scene__bar { display: flex; align-items: baseline; gap: 1.2cqw; margin-bottom: 1.5cqw; }
.scene__title { font-size: 1.5cqw; font-weight: 600; letter-spacing: 0.01em; }
.scene__status {
  font-family: var(--mono); font-size: 0.85cqw; letter-spacing: 0.06em;
  color: var(--t-faint);
  transition: color var(--mid) linear;
}
.scene__status.is-good { color: var(--mint); }

/* — Scene: documents — */
.dropzone {
  position: absolute;
  inset: 6.5cqw 2.2cqw 2cqw;
  border: 1px dashed rgba(172, 174, 182, 0.4);
  border-radius: 1.2cqw;
  display: grid;
  place-content: center;
  justify-items: center;
  gap: 0.8cqw;
  color: var(--t-dim);
  font-size: 1.2cqw;
  transition: opacity 400ms ease-out, transform 420ms var(--ease-out);
}
.dropzone svg { width: 3cqw; height: 3cqw; color: var(--sky); }
.dropzone .mono-sm { font-family: var(--mono); font-size: 0.8cqw; color: var(--t-faint); }
.dropzone.is-hidden { opacity: 0; transform: scale(0.98); pointer-events: none; }
@media (prefers-reduced-motion: no-preference) {
  .dropzone::before {
    content: ""; position: absolute; inset: -1px; border-radius: inherit;
    box-shadow: 0 0 0 0 rgba(61, 109, 255, 0.25);
    animation: drop-breathe 2.6s var(--ease-io) infinite;
  }
  @keyframes drop-breathe {
    0%, 100% { box-shadow: 0 0 0 0 rgba(61, 109, 255, 0); }
    50% { box-shadow: 0 0 0 0.5cqw rgba(61, 109, 255, 0.08); }
  }
}

.file-layer { position: absolute; inset: 6.5cqw 2.2cqw 2cqw; }
.file-chip {
  position: absolute;
  width: 21cqw;
  display: flex; align-items: center; gap: 0.9cqw;
  background: rgba(17, 29, 60, 0.92);
  border: 1px solid var(--line-dark-strong);
  border-radius: 0.8cqw;
  padding: 0.8cqw 1cqw;
  font-size: 1.02cqw;
  box-shadow: 0 1.4cqw 3cqw -1.4cqw rgba(0, 0, 0, 0.7);
  opacity: 0;
  transform: translateY(-4cqw) scale(0.92);
  transition: transform 620ms var(--ease-out), opacity 380ms ease-out,
    left 680ms var(--ease-io), top 680ms var(--ease-io), width 500ms var(--ease-io), border-color 400ms linear;
}
.file-chip.is-in { opacity: 1; transform: none; }
.file-chip .f-ico {
  flex: none;
  width: 2.2cqw; height: 2.6cqw;
  border-radius: 0.3cqw;
  background: linear-gradient(160deg, var(--navy-800), var(--navy-850));
  border: 1px solid rgba(172, 174, 182, 0.3);
  display: grid; place-items: center;
  font-family: var(--mono); font-size: 0.62cqw; font-weight: 500;
  color: var(--sky);
}
.file-chip .f-body { flex: 1; min-width: 0; overflow: hidden; }
.file-chip .f-name { font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; display: block; }
.file-chip .f-sub { display: block; font-family: var(--mono); font-size: 0.72cqw; color: var(--t-faint); margin-top: 0.15cqw; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.file-chip .f-check {
  margin-left: auto; flex: none;
  width: 1.5cqw; height: 1.5cqw; border-radius: 50%;
  display: grid; place-items: center;
  background: rgba(127, 214, 194, 0.14);
  color: var(--mint);
  opacity: 0; transform: scale(0.5);
  transition: opacity var(--mid) ease-out, transform var(--mid) var(--ease-out);
}
.file-chip .f-check svg { width: 0.85cqw; height: 0.85cqw; }
.file-chip.is-done .f-check { opacity: 1; transform: none; }
.file-chip .f-scan {
  position: absolute; inset: 0; border-radius: inherit; overflow: hidden;
  opacity: 0; transition: opacity 300ms linear;
}
.file-chip.is-scanning .f-scan { opacity: 1; }
@media (prefers-reduced-motion: no-preference) {
  .file-chip .f-scan::before {
    content: ""; position: absolute; top: 0; bottom: 0; width: 42%;
    background: linear-gradient(100deg, transparent, rgba(93, 140, 255, 0.16), transparent);
    animation: f-scan 1.15s linear infinite;
  }
  @keyframes f-scan { from { transform: translateX(-130%); } to { transform: translateX(340%); } }
}
.file-chip.is-grouped {
  background: rgba(17, 29, 60, 0.98);
  box-shadow: none;
}
.folder.is-packed .folder__tags { display: none; }

.folder-grid {
  position: absolute; inset: 6.2cqw 2.2cqw 2cqw;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.2cqw;
}
.folder {
  position: relative;
  border: 1px solid var(--line-dark);
  border-radius: 1cqw;
  background: var(--surface-raised);
  opacity: 0;
  transform: translateY(1.6cqw);
  transition: opacity 420ms ease-out, transform 520ms var(--ease-out), border-color 400ms linear;
  padding: 3.4cqw 1cqw 1cqw;
}
.folder.is-in { opacity: 1; transform: none; }
.folder.is-lit { border-color: rgba(61, 109, 255, 0.45); }
.folder__head {
  position: absolute; top: 0; left: 0; right: 0;
  display: flex; align-items: center; gap: 0.7cqw;
  padding: 0.85cqw 1.1cqw;
  border-bottom: 1px solid var(--line-dark);
  font-size: 1.02cqw; font-weight: 600;
}
.folder__head svg { width: 1.15cqw; height: 1.15cqw; color: var(--sky); }
.folder__head .count {
  margin-left: auto;
  font-family: var(--mono); font-size: 0.78cqw; color: var(--t-faint);
}
.folder__tags { display: flex; flex-wrap: wrap; gap: 0.45cqw; padding-top: 0.6cqw; }
.tag {
  font-family: var(--mono);
  font-size: 0.7cqw;
  letter-spacing: 0.04em;
  color: var(--ice);
  background: rgba(93, 140, 255, 0.12);
  border: 1px solid rgba(93, 140, 255, 0.25);
  padding: 0.16cqw 0.6cqw;
  border-radius: 999px;
  opacity: 0; transform: translateY(0.5cqw);
  transition: opacity var(--mid) ease-out, transform var(--mid) var(--ease-out);
}
.tag.is-in { opacity: 1; transform: none; }

/* — Scene: assistant — */
.chat { position: absolute; inset: 5.6cqw 24cqw 2cqw 2.2cqw; display: flex; flex-direction: column; }
.chat__scroll { flex: 1; overflow: hidden; display: flex; flex-direction: column; justify-content: flex-end; gap: 1.1cqw; }
.msg { max-width: 92%; }
.msg--user {
  align-self: flex-end;
  background: rgba(32, 80, 232, 0.2);
  border: 1px solid rgba(61, 109, 255, 0.4);
  border-radius: 1cqw 1cqw 0.25cqw 1cqw;
  padding: 1cqw 1.2cqw;
  font-size: 1.08cqw; line-height: 1.55;
  opacity: 0; transform: translateY(1cqw);
  transition: opacity 380ms ease-out, transform 440ms var(--ease-out);
}
.msg--user.is-in { opacity: 1; transform: none; }
.msg--ai { align-self: stretch; display: flex; gap: 1cqw; opacity: 0; transition: opacity 380ms ease-out; }
.msg--ai.is-in { opacity: 1; }
.msg--ai .ai-ico {
  flex: none;
  width: 2.3cqw; height: 2.3cqw; border-radius: 0.7cqw;
  background: linear-gradient(150deg, var(--cobalt), var(--cobalt-deep));
  display: grid; place-items: center;
  box-shadow: 0 0 1.6cqw rgba(32, 80, 232, 0.5);
}
.msg--ai .ai-ico svg { width: 1.25cqw; height: 1.25cqw; color: #dfe9ff; }
.msg--ai .ai-body { flex: 1; font-size: 1.08cqw; line-height: 1.62; color: #d5def2; }
.ai-step {
  font-family: var(--mono); font-size: 0.8cqw; letter-spacing: 0.06em;
  color: var(--t-faint);
  display: flex; align-items: center; gap: 0.6cqw;
  margin-bottom: 0.7cqw;
  min-height: 1.2cqw;
}
.ai-step i {
  width: 0.7cqw; height: 0.7cqw; border-radius: 50%;
  border: 1px solid var(--sky);
  border-top-color: transparent;
}
@media (prefers-reduced-motion: no-preference) {
  .ai-step i { animation: spin 900ms linear infinite; }
  @keyframes spin { to { transform: rotate(360deg); } }
}
.ai-step.is-done i { border: 0; background: var(--mint); animation: none; width: 0.6cqw; height: 0.6cqw; }
.ai-text b { color: #fff; font-weight: 600; }
.ai-text .caret {
  display: inline-block; width: 0.55cqw; height: 1.15cqw;
  background: var(--sky); vertical-align: -0.15cqw; margin-left: 0.2cqw;
}
@media (prefers-reduced-motion: no-preference) {
  .ai-text .caret { animation: caret 900ms steps(2) infinite; }
  @keyframes caret { 50% { opacity: 0; } }
}
.cite {
  display: inline-grid; place-items: center;
  min-width: 1.5cqw; height: 1.5cqw;
  padding-inline: 0.35cqw;
  margin-inline: 0.2cqw;
  border-radius: 0.4cqw;
  background: rgba(61, 109, 255, 0.2);
  border: 1px solid rgba(61, 109, 255, 0.5);
  color: var(--sky);
  font-family: var(--mono); font-size: 0.78cqw; font-weight: 500;
  vertical-align: 0.1cqw;
  transition: background-color var(--fast) linear, transform var(--fast) ease-out, box-shadow var(--fast) linear;
}
.cite.is-hot {
  background: rgba(61, 109, 255, 0.55);
  color: #fff;
  transform: scale(1.12);
  box-shadow: 0 0 1.4cqw rgba(61, 109, 255, 0.7);
}
.chat__composer {
  margin-top: 1.2cqw;
  border: 1px solid var(--line-dark-strong);
  background: rgba(9, 15, 32, 0.85);
  border-radius: 0.9cqw;
  padding: 1cqw 1.1cqw;
  display: flex; align-items: center; gap: 1cqw;
  font-size: 1.08cqw;
  transition: border-color var(--mid) linear, box-shadow var(--mid) linear;
}
.chat__composer.is-focus {
  border-color: rgba(61, 109, 255, 0.6);
  box-shadow: 0 0 0 0.3cqw rgba(61, 109, 255, 0.12);
}
.chat__composer .ph { color: var(--t-faint); }
.chat__composer .typed { color: #e8eefb; }
.chat__composer .send {
  margin-left: auto; flex: none;
  width: 2.5cqw; height: 2.5cqw; border-radius: 0.7cqw;
  background: var(--cobalt);
  display: grid; place-items: center;
  transition: transform var(--fast) ease-out, background-color var(--fast) linear;
}
.chat__composer .send.is-hot { background: var(--cobalt-bright); transform: scale(1.08); }
.chat__composer .send svg { width: 1.2cqw; height: 1.2cqw; color: #fff; }

.sources {
  position: absolute; top: 5.6cqw; right: 2.2cqw; bottom: 2cqw; width: 20cqw;
  border: 1px solid var(--line-dark);
  border-radius: 1cqw;
  background: rgba(9, 15, 32, 0.6);
  padding: 1.1cqw;
  display: flex; flex-direction: column; gap: 0.7cqw;
}
.sources__title { font-family: var(--mono); font-size: 0.78cqw; letter-spacing: 0.2em; color: var(--t-faint); text-transform: uppercase; margin-bottom: 0.3cqw; }
.source {
  display: flex; align-items: center; gap: 0.8cqw;
  border: 1px solid transparent;
  border-radius: 0.7cqw;
  padding: 0.7cqw 0.8cqw;
  font-size: 0.95cqw;
  color: var(--t-dim);
  background: rgba(17, 29, 60, 0.45);
  opacity: 0; transform: translateX(1.2cqw);
  transition: opacity 380ms ease-out, transform 460ms var(--ease-out), border-color var(--mid) linear, color var(--mid) linear;
}
.source.is-in { opacity: 1; transform: none; }
.source.is-hot { border-color: rgba(61, 109, 255, 0.55); color: var(--t-bright); }
.source .s-n {
  flex: none;
  width: 1.6cqw; height: 1.6cqw; border-radius: 0.4cqw;
  display: grid; place-items: center;
  background: rgba(61, 109, 255, 0.16);
  color: var(--sky);
  font-family: var(--mono); font-size: 0.75cqw;
}
.source .s-name { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* — Scene: doc viewer — */
.viewer {
  position: absolute; inset: 0 0 0 auto; width: 58%;
  background: var(--navy-900);
  border-left: 1px solid var(--line-dark-strong);
  box-shadow: -3cqw 0 6cqw -2cqw rgba(0, 0, 0, 0.7);
  transform: translateX(103%);
  transition: transform 560ms var(--ease-io);
  display: flex; flex-direction: column;
  z-index: 5;
}
.viewer.is-open { transform: none; }
.viewer__bar {
  display: flex; align-items: center; gap: 0.9cqw;
  padding: 1cqw 1.4cqw;
  border-bottom: 1px solid var(--line-dark);
  font-size: 1cqw; font-weight: 600;
}
.viewer__bar svg { width: 1.2cqw; height: 1.2cqw; color: var(--sky); }
.viewer__bar .pg { margin-left: auto; font-family: var(--mono); font-size: 0.75cqw; color: var(--t-faint); }
.viewer__page {
  flex: 1;
  margin: 1.3cqw 1.6cqw 1.6cqw;
  background: var(--surface-card-dark);
  border: 1px solid var(--line-dark-strong);
  border-radius: 0.5cqw;
  color: var(--t-bright);
  padding: 2cqw 2.2cqw;
  overflow: hidden;
  position: relative;
}
.viewer__page h5 {
  margin: 0 0 0.4cqw;
  font-family: var(--mono); font-size: 0.82cqw; font-weight: 500; letter-spacing: 0.12em;
  color: var(--t-faint);
}
.doc-lines { position: relative; }
.doc-line {
  height: 0.62cqw;
  border-radius: 999px;
  background: rgba(172, 174, 182, 0.18);
  margin-bottom: 0.72cqw;
}
.doc-line.w-90 { width: 90%; } .doc-line.w-80 { width: 80%; }
.doc-line.w-95 { width: 95%; } .doc-line.w-70 { width: 70%; }
.doc-line.w-60 { width: 60%; } .doc-line.w-40 { width: 40%; }
.doc-heading { height: 0.95cqw; width: 34%; background: rgba(172, 174, 182, 0.28); margin: 1.2cqw 0 1cqw; border-radius: 999px; }
.doc-clause {
  position: relative;
  font-size: 0.98cqw; line-height: 1.6;
  color: var(--t-dim);
  padding: 0.9cqw 1.1cqw;
  margin: 0.9cqw -1.1cqw;
  border-radius: 0.5cqw;
}
.doc-clause b { font-weight: 650; color: var(--t-bright); }
.doc-clause .hl {
  background-image: linear-gradient(rgba(61, 109, 255, 0.24), rgba(61, 109, 255, 0.24));
  background-repeat: no-repeat;
  background-size: 0% 100%;
  border-radius: 0.15cqw;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}
.doc-clause.is-hl .hl { background-size: 100% 100%; transition: background-size 900ms var(--ease-io); }
.doc-clause .pin {
  position: absolute; left: -0.35cqw; top: 0.9cqw; bottom: 0.9cqw; width: 0.28cqw;
  border-radius: 999px;
  background: var(--cobalt-bright);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 500ms var(--ease-out) 250ms;
}
.doc-clause.is-hl .pin { transform: none; }
.cite-flag {
  position: absolute; right: 1.6cqw; margin-top: -0.4cqw;
  font-family: var(--mono); font-size: 0.72cqw; letter-spacing: 0.08em;
  background: var(--cobalt); color: #fff;
  padding: 0.28cqw 0.7cqw; border-radius: 0.4cqw;
  box-shadow: 0 0.6cqw 1.6cqw -0.5cqw rgba(32, 80, 232, 0.8);
  opacity: 0; transform: translateY(0.6cqw) scale(0.9);
  transition: opacity var(--mid) ease-out, transform var(--mid) var(--ease-out);
}
.cite-flag.is-in { opacity: 1; transform: none; }

/* — Scene: drafts — */
.draft-wrap {
  position: absolute; inset: 5.6cqw 2.2cqw 2cqw;
  display: grid;
  grid-template-columns: 1fr 15.5cqw;
  gap: 1.4cqw;
}
.draft-page {
  display: flex;
  flex-direction: column;
  background: var(--surface-card-dark);
  border: 1px solid var(--line-dark-strong);
  border-radius: 0.7cqw;
  color: var(--t-bright);
  padding: 2.4cqw 2.8cqw 1.6cqw;
  overflow: hidden;
  position: relative;
  box-shadow: 0 2cqw 5cqw -2cqw rgba(0, 0, 0, 0.65);
}
.draft-body {
  position: relative;
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  padding-right: 0.6cqw;
  margin-right: -0.4cqw;
  scrollbar-width: thin;
  scrollbar-color: rgba(93, 140, 255, 0.35) transparent;
}
.draft-body::-webkit-scrollbar { width: 0.35cqw; }
.draft-body::-webkit-scrollbar-thumb {
  background: rgba(93, 140, 255, 0.35);
  border-radius: 999px;
}

/* brief compose pulse before lines appear */
.draft-think {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6cqw;
  font-family: var(--mono);
  font-size: 0.76cqw;
  letter-spacing: 0.06em;
  color: var(--t-faint);
  opacity: 0;
  pointer-events: none;
  transition: opacity 260ms ease-out;
}
.draft-think.is-on { opacity: 1; }
.draft-think i {
  width: 0.52cqw;
  height: 0.52cqw;
  border-radius: 50%;
  border: 1px solid rgba(93, 140, 255, 0.28);
  border-top-color: rgba(93, 140, 255, 0.72);
  flex-shrink: 0;
}
@media (prefers-reduced-motion: no-preference) {
  .draft-think i { animation: spin 820ms linear infinite; }
}

/* draft lines — full memo fades in line by line */
.js .draft-line {
  opacity: 0;
  transform: translateY(0.35cqw);
}
.draft-lines.is-on .draft-line {
  opacity: 1;
  transform: none;
  transition: opacity 460ms var(--ease-io), transform 460ms var(--ease-io);
  transition-delay: var(--delay, 0ms);
}
.draft-line--title {
  font-family: var(--serif);
  font-size: 1.7cqw;
  font-weight: 500;
  letter-spacing: 0;
  color: var(--t-bright);
  margin: 0 0 0.4cqw;
  min-height: 2.2cqw;
}
.draft-line--meta {
  font-family: var(--mono);
  font-size: 0.72cqw;
  color: var(--t-faint);
  letter-spacing: 0.1em;
  margin-bottom: 1.4cqw;
}
.draft-line--rule {
  height: 1px;
  background: var(--line-dark-strong);
  margin: 0 0 1.3cqw;
}
.draft-line--h {
  font-weight: 650;
  font-size: 1.02cqw;
  color: var(--t-bright);
  margin: 1.1cqw 0 0.45cqw;
  min-height: 1.3cqw;
}
.draft-line--h:first-of-type { margin-top: 0; }
.draft-line--p {
  font-size: 0.92cqw;
  line-height: 1.65;
  color: var(--t-dim);
  margin: 0 0 0.28cqw;
}
.draft-line--p .cite {
  transform: scale(0.92);
  vertical-align: -0.05cqw;
  background: rgba(61, 109, 255, 0.16);
  border-color: rgba(61, 109, 255, 0.4);
  color: var(--sky);
}
.draft-side { display: flex; flex-direction: column; gap: 1cqw; }
.draft-card {
  border: 1px solid var(--line-dark);
  border-radius: 0.9cqw;
  background: rgba(9, 15, 32, 0.6);
  padding: 1.1cqw;
  font-size: 0.95cqw;
  color: var(--t-dim);
}
.draft-card b { display: block; color: var(--t-bright); font-size: 1cqw; margin-bottom: 0.3cqw; }
.draft-card .mini-row {
  display: flex; align-items: center; gap: 0.6cqw;
  font-family: var(--mono); font-size: 0.78cqw;
  padding: 0.45cqw 0;
  color: var(--t-faint);
}
.draft-card .mini-row svg { width: 1cqw; height: 1cqw; color: var(--mint); }
.btn-export {
  margin-top: auto;
  display: flex; align-items: center; justify-content: center; gap: 0.7cqw;
  background: var(--cobalt);
  color: #fff; font-weight: 600; font-size: 1.05cqw;
  border-radius: 0.8cqw;
  padding: 1cqw;
  transition: background-color var(--fast) linear, transform var(--fast) ease-out, box-shadow var(--fast) linear;
}
.btn-export.is-hot { background: var(--cobalt-bright); transform: scale(1.04); box-shadow: 0 1cqw 2.6cqw -0.8cqw rgba(61, 109, 255, 0.9); }
.btn-export svg { width: 1.2cqw; height: 1.2cqw; }

/* suggestion chips in chat */
.chip-row {
  display: flex; gap: 0.7cqw; margin-top: 1cqw;
  opacity: 0; transform: translateY(0.8cqw);
  transition: opacity 380ms ease-out, transform 440ms var(--ease-out);
  pointer-events: none;
}
.chip-row.is-in { opacity: 1; transform: none; }
.sugg-chip {
  display: inline-flex; align-items: center; gap: 0.55cqw;
  font-size: 0.95cqw; font-weight: 500;
  color: var(--sky);
  border: 1px solid rgba(93, 140, 255, 0.4);
  background: rgba(61, 109, 255, 0.08);
  border-radius: 999px;
  padding: 0.5cqw 1.05cqw;
  transition: background-color var(--fast) linear, transform var(--fast) ease-out, color var(--fast) linear;
}
.sugg-chip.is-hot { background: var(--cobalt); color: #fff; transform: scale(1.06); }

/* compose without transitions (used when seeking) */
.demo-stage.no-anim *, .demo-stage.no-anim *::before, .demo-stage.no-anim *::after {
  transition: none !important;
  animation: none !important;
}

/* static poster for reduced motion */
.demo-stage.is-static .demo-cursor { display: none; }

/* toast */
.demo-toast {
  position: absolute; right: 2cqw; bottom: 2cqw; z-index: 8;
  display: flex; align-items: center; gap: 1cqw;
  background: rgba(13, 23, 48, 0.95);
  border: 1px solid rgba(127, 214, 194, 0.4);
  border-radius: 0.9cqw;
  padding: 1cqw 1.3cqw;
  font-size: 1cqw;
  box-shadow: 0 2cqw 4cqw -1.5cqw rgba(0, 0, 0, 0.8);
  opacity: 0; transform: translateY(1.5cqw);
  transition: opacity 360ms ease-out, transform 420ms var(--ease-out);
}
.demo-toast.is-in { opacity: 1; transform: none; }
.demo-toast .t-ico {
  width: 2.2cqw; height: 2.2cqw; border-radius: 50%;
  background: rgba(127, 214, 194, 0.15);
  display: grid; place-items: center;
  color: var(--mint);
}
.demo-toast .t-ico svg { width: 1.1cqw; height: 1.1cqw; }
.demo-toast b { display: block; font-size: 1cqw; }
.demo-toast span { font-family: var(--mono); font-size: 0.75cqw; color: var(--t-faint); }

/* fake cursor */
.demo-cursor {
  position: absolute; z-index: 20; top: 0; left: 0;
  width: 1.7cqw; height: 1.7cqw;
  pointer-events: none;
  transform: translate(58cqw, 44cqh);
  transition: transform 900ms var(--ease-io);
  filter: drop-shadow(0 0.3cqw 0.8cqw rgba(0, 0, 0, 0.6));
  opacity: 0;
}
.demo-cursor.is-on { opacity: 1; }
.demo-cursor.is-click svg { transform: scale(0.82); }
.demo-cursor svg { transition: transform 140ms ease-out; color: #fff; }
.demo-cursor .ring {
  position: absolute; inset: -0.6cqw;
  border: 1.5px solid rgba(93, 140, 255, 0.9);
  border-radius: 50%;
  opacity: 0;
  transform: scale(0.4);
}
.demo-cursor.is-click .ring {
  opacity: 1;
  transform: scale(1.25);
  transition: transform 420ms var(--ease-out), opacity 420ms linear 80ms;
  opacity: 0;
}

/* chapters + controls */
.demo-deck {
  display: flex;
  align-items: stretch;
  gap: 0.6rem;
  margin-top: 1.1rem;
}
.demo-ctl {
  flex: none;
  width: 52px;
  border: 1px solid var(--line-dark);
  border-radius: 12px;
  display: grid; place-items: center;
  color: var(--t-dim);
  transition: color var(--fast) linear, border-color var(--fast) linear, background-color var(--fast) linear;
}
.demo-ctl:hover { color: var(--t-bright); border-color: var(--line-dark-strong); background: rgba(172, 174, 182, 0.06); }
.demo-ctl svg { width: 15px; height: 15px; }
.demo-ctl .i-pause { display: none; }
.demo-ctl.is-playing .i-pause { display: block; }
.demo-ctl.is-playing .i-play { display: none; }

.chapters {
  flex: 1;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 0.6rem;
}
.chapter {
  position: relative;
  text-align: left;
  border: 1px solid var(--line-dark);
  border-radius: 12px;
  padding: 0.72rem 0.95rem 0.85rem;
  color: var(--t-faint);
  overflow: hidden;
  transition: color var(--mid) linear, border-color var(--mid) linear, background-color var(--mid) linear;
}
.chapter:hover { border-color: var(--line-dark-strong); color: var(--t-dim); }
.chapter b { display: block; font-size: 0.83rem; font-weight: 600; letter-spacing: 0.02em; }
.chapter small { font-family: var(--sans); font-size: 0.62rem; letter-spacing: 0.16em; }
.chapter .ch-bar {
  position: absolute; left: 0; right: 0; bottom: 0; height: 2px;
  background: rgba(172, 174, 182, 0.14);
}
.chapter .ch-bar i {
  position: absolute; inset: 0;
  background: var(--cobalt-bright);
  transform: scaleX(var(--p, 0));
  transform-origin: left;
}
.chapter.is-now { border-color: rgba(61, 109, 255, 0.5); color: var(--t-bright); background: rgba(32, 80, 232, 0.08); }
.chapter.is-done { color: var(--t-dim); }
.chapter.is-done .ch-bar i { transform: scaleX(1); }

/* Demo — mobile-only layout (desktop rules above are unchanged) */
@media (max-width: 860px) {
  .demo-section .section-head { text-align: center; }

  .demo-shell {
    border-radius: 14px;
    box-shadow:
      0 24px 60px -28px rgba(2, 6, 20, 0.85),
      0 0 40px -20px rgba(36, 84, 216, 0.2);
  }
  .demo-frame { border-radius: 13px; }

  .demo-chrome {
    padding: 0.5rem 0.75rem;
    gap: 0.5rem;
  }
  .demo-chrome .dots { display: none; }
  .demo-chrome .addr {
    flex: 1;
    max-width: none;
    margin-inline: 0;
    justify-content: flex-start;
    font-size: 0.68rem;
    padding: 0.35rem 0.65rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  .demo-chrome .addr svg { flex-shrink: 0; }
  .demo-live {
    flex-shrink: 0;
    font-size: 0;
    gap: 0;
  }
  .demo-live i {
    width: 7px;
    height: 7px;
  }

  .demo-stage {
    font-size: 2.6cqw;
    aspect-ratio: 10 / 13;
    min-height: min(72vw, 520px);
  }
  .demo-cursor { display: none !important; }

  .app { grid-template-columns: 1fr; }
  .app__side { display: none; }

  .scene { padding: 1.4cqw 1.8cqw; }
  .scene__bar { margin-bottom: 1cqw; flex-wrap: wrap; gap: 0.5cqw; }
  .scene__title { font-size: 2.8cqw; }
  .scene__status { font-size: 1.6cqw; }

  .dropzone {
    inset: 5.5cqw 1.6cqw 1.6cqw;
    font-size: 2cqw;
    gap: 0.6cqw;
  }
  .dropzone svg { width: 5cqw; height: 5cqw; }
  .file-layer { inset: 5.5cqw 1.6cqw 1.6cqw; }
  .file-chip {
    width: 46cqw;
    font-size: 2.2cqw;
    padding: 1.2cqw 1.4cqw;
  }
  .file-chip .f-ico { width: 3.6cqw; height: 4cqw; font-size: 1.2cqw; }
  .file-chip .f-sub { font-size: 1.6cqw; }

  .folder-grid {
    inset: 5.2cqw 1.6cqw 1.6cqw;
    grid-template-columns: 1fr;
    gap: 0.9cqw;
  }
  .folder { padding: 3cqw 0.9cqw 0.9cqw; }
  .folder__head { font-size: 2cqw; padding: 0.7cqw 0.9cqw; }

  .chat { inset: 4.8cqw 1.6cqw 1.8cqw 1.6cqw; }
  .sources { display: none; }
  .chip-row .sugg-chip:nth-child(n+2) { display: none; }

  .viewer {
    width: 100%;
    box-shadow: none;
  }
  .viewer__bar .pg { display: none; }

  .draft-wrap {
    inset: 4.8cqw 1.6cqw 1.6cqw;
    grid-template-columns: 1fr;
    gap: 0.9cqw;
  }
  .draft-side {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.7cqw;
    align-items: stretch;
  }
  .draft-side .btn-export { margin-top: 0; }

  .demo-toast {
    left: 1.6cqw;
    right: 1.6cqw;
    bottom: 1.6cqw;
    max-width: none;
  }

  .demo-deck {
    flex-direction: column;
    margin-top: 0.85rem;
    gap: 0.65rem;
  }
  .demo-ctl {
    width: 100%;
    height: 46px;
    border-radius: 10px;
  }
  .chapters {
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scroll-snap-type: x mandatory;
    scroll-padding-inline: 0.25rem;
    gap: 0.45rem;
    grid-template-columns: unset;
    padding-bottom: 0.15rem;
    scrollbar-width: none;
  }
  .chapters::-webkit-scrollbar { display: none; }
  .chapter {
    flex: 0 0 auto;
    min-width: 4.75rem;
    scroll-snap-align: start;
    padding: 0.6rem 0.8rem 0.72rem;
    border-radius: 10px;
    min-height: 44px;
  }
  .chapter b { font-size: 0.82rem; }
  .chapter small { display: block; font-size: 0.58rem; }

  .demo-caption {
    margin-top: 1.25rem;
    justify-content: center;
    text-align: center;
  }
  .demo-caption p { max-width: none; }
}
/* Phone-only demo UI — leaves tablet (≤860) / iPad / desktop unchanged */
@media (max-width: 560px) {
  .demo-shell {
    max-width: 23.5rem;
    margin-inline: auto;
    border-radius: 2.15rem;
    padding: 0.55rem;
    background:
      linear-gradient(165deg, rgba(200, 205, 220, 0.45), rgba(36, 84, 216, 0.22) 55%, rgba(8, 12, 28, 0.9));
    box-shadow:
      0 28px 70px -26px rgba(2, 6, 20, 0.95),
      0 0 0 1px rgba(255, 255, 255, 0.06) inset;
  }
  .demo-frame {
    border-radius: 1.7rem;
    position: relative;
  }
  /* Dynamic Island / notch — signals a phone product UI */
  .demo-frame::before {
    content: "";
    display: block;
    width: 28%;
    height: 1.05rem;
    margin: 0.55rem auto 0;
    border-radius: 999px;
    background: #05080f;
    box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.04);
  }

  .demo-chrome {
    padding: 0.35rem 0.85rem 0.55rem;
    gap: 0.4rem;
    background: transparent;
    border-bottom: 0;
  }
  .demo-chrome .addr {
    justify-content: center;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    color: var(--t-bright);
    background: transparent;
    border: 0;
    padding: 0.2rem 0.4rem;
    max-width: none;
  }
  .demo-chrome .addr svg,
  .demo-chrome .addr__url { display: none; }
  .demo-chrome .addr__app { display: inline; }
  .demo-live {
    position: absolute;
    right: 0.85rem;
    top: 1.85rem;
  }

  .demo-stage {
    font-size: 3.4cqw;
    aspect-ratio: 9 / 17;
    min-height: min(118vw, 560px);
  }

  /* Bottom tab bar — mobile app chrome (overrides tablet sidebar hide) */
  .app {
    display: grid;
    grid-template-columns: 1fr;
    grid-template-rows: minmax(0, 1fr) auto;
  }
  .app__main {
    grid-row: 1;
    min-height: 0;
  }
  .app__side {
    display: flex;
    flex-direction: row;
    align-items: stretch;
    justify-content: space-around;
    grid-row: 2;
    gap: 0.4cqw;
    padding: 1.2cqw 1.4cqw 2cqw;
    border-right: 0;
    border-top: 1px solid var(--line-dark);
    background: rgba(5, 8, 15, 0.96);
  }
  .app__logo,
  .app__nav-label,
  .app__side .side-meta {
    display: none !important;
  }
  .app__item {
    flex: 1;
    flex-direction: column;
    justify-content: center;
    gap: 0.7cqw;
    padding: 1.6cqw 0.5cqw;
    font-size: 2.7cqw;
    font-weight: 600;
    border-radius: 1.8cqw;
    text-align: center;
    position: relative;
  }
  .app__item svg {
    width: 5cqw;
    height: 5cqw;
    margin-inline: auto;
  }
  .app__item .badge {
    position: absolute;
    top: 0.9cqw;
    right: 18%;
    margin-left: 0;
    font-size: 1.9cqw;
    padding: 0.15cqw 0.85cqw;
  }

  .scene { padding: 2.2cqw 2.6cqw; }
  .scene__bar {
    position: relative;
    z-index: 2;
    flex-direction: column;
    flex-wrap: nowrap;
    align-items: flex-start;
    gap: 0.55cqw;
    margin-bottom: 2cqw;
  }
  .scene__title { font-size: 4.4cqw; }
  .scene__status {
    font-size: 2.35cqw;
    max-width: 100%;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  /* Documents — clear the title/status bar; avoid chip/folder collisions */
  .dropzone {
    inset: 13.5cqw 2cqw 2cqw;
    font-size: 3.2cqw;
    gap: 1.2cqw;
  }
  .dropzone svg { width: 7.5cqw; height: 7.5cqw; }
  .file-layer { inset: 13.5cqw 2cqw 2cqw; }
  .file-chip {
    width: 44cqw;
    font-size: 2.55cqw;
    padding: 1.5cqw 1.6cqw;
    gap: 1.2cqw;
    border-radius: 1.4cqw;
  }
  .file-chip .f-ico { width: 4.2cqw; height: 4.6cqw; font-size: 1.55cqw; }
  .file-chip .f-sub { font-size: 1.9cqw; }
  .file-chip .f-check { width: 2.8cqw; height: 2.8cqw; }
  .file-chip .f-check svg { width: 1.6cqw; height: 1.6cqw; }
  .file-chip.is-grouped {
    font-size: 2.2cqw;
    padding: 1.1cqw 1.2cqw;
  }
  .folder-grid {
    inset: 13cqw 2cqw 2cqw;
    grid-template-columns: 1fr 1fr;
    gap: 1.4cqw;
  }
  .folder {
    padding: 6.2cqw 1.1cqw 1.1cqw;
    border-radius: 1.5cqw;
    min-height: 0;
    overflow: hidden;
  }
  .folder__head {
    font-size: 2.4cqw;
    padding: 1cqw 1cqw;
    gap: 0.7cqw;
    overflow: hidden;
  }
  .folder__head svg { width: 2.5cqw; height: 2.5cqw; flex-shrink: 0; }
  .folder__head .count { font-size: 2cqw; flex-shrink: 0; }
  .folder__tags { gap: 0.6cqw; padding-top: 0.5cqw; }
  .tag { font-size: 1.85cqw; padding: 0.35cqw 1cqw; }

  /* Assistant — readable phone chat (was ~1cqw / ~4px) */
  .chat {
    inset: 12.5cqw 2.2cqw 2.2cqw;
    gap: 0;
  }
  .chat__scroll {
    gap: 2.4cqw;
    padding-bottom: 0.4cqw;
  }
  .msg { max-width: 96%; }
  .msg--user {
    font-size: 4.1cqw;
    line-height: 1.45;
    padding: 2.6cqw 3cqw;
    border-radius: 2.8cqw 2.8cqw 0.7cqw 2.8cqw;
  }
  .msg--ai { gap: 2.2cqw; }
  .msg--ai .ai-ico {
    width: 7.2cqw;
    height: 7.2cqw;
    border-radius: 2.1cqw;
  }
  .msg--ai .ai-ico svg { width: 3.8cqw; height: 3.8cqw; }
  .msg--ai .ai-body {
    font-size: 4.1cqw;
    line-height: 1.48;
  }
  .ai-step {
    font-size: 2.75cqw;
    gap: 1.5cqw;
    margin-bottom: 1.8cqw;
    min-height: 3.2cqw;
  }
  .ai-step i { width: 2.3cqw; height: 2.3cqw; }
  .ai-step.is-done i { width: 2cqw; height: 2cqw; }
  .ai-text .caret {
    width: 1.6cqw;
    height: 3.6cqw;
    vertical-align: -0.4cqw;
  }
  .cite {
    min-width: 4.6cqw;
    height: 4.6cqw;
    font-size: 2.5cqw;
    border-radius: 1.1cqw;
    padding-inline: 0.8cqw;
    margin-inline: 0.4cqw;
  }
  .chat__composer {
    margin-top: 2.2cqw;
    font-size: 3.8cqw;
    padding: 2.7cqw 2.8cqw;
    border-radius: 2.6cqw;
    gap: 2cqw;
  }
  .chat__composer .send {
    width: 7.8cqw;
    height: 7.8cqw;
    border-radius: 2.2cqw;
  }
  .chat__composer .send svg { width: 3.7cqw; height: 3.7cqw; }
  .chip-row { gap: 1.4cqw; margin-top: 2.2cqw; }
  .sugg-chip {
    font-size: 3.2cqw;
    padding: 1.6cqw 2.8cqw;
    gap: 1cqw;
  }
  .sugg-chip svg { width: 3cqw; height: 3cqw; }

  /* Trace / viewer */
  .viewer__bar {
    font-size: 2.9cqw;
    padding: 2.2cqw 2.6cqw;
    gap: 1.6cqw;
  }
  .viewer__bar svg { width: 3.4cqw; height: 3.4cqw; }
  .viewer__page {
    margin: 2cqw;
    padding: 3cqw 3.2cqw;
    border-radius: 1.4cqw;
  }
  .viewer__page h5 { font-size: 2.3cqw; margin-bottom: 1.2cqw; }
  .doc-line { height: 1.5cqw; margin-bottom: 1.7cqw; }
  .doc-heading { height: 2.2cqw; margin: 2.4cqw 0 2cqw; }
  .doc-clause {
    font-size: 2.9cqw;
    line-height: 1.5;
    padding: 2cqw 2.2cqw;
    margin: 1.6cqw -1.2cqw;
  }
  .cite-flag {
    font-size: 2.2cqw;
    padding: 0.7cqw 1.5cqw;
    right: 2.4cqw;
  }

  /* Drafts */
  .draft-wrap {
    inset: 12.5cqw 2.2cqw 2.2cqw;
    gap: 1.6cqw;
  }
  .draft-page {
    padding: 3.2cqw 3.4cqw 2.2cqw;
    border-radius: 1.6cqw;
  }
  .draft-think { font-size: 2.5cqw; gap: 1.4cqw; }
  .draft-think i { width: 2cqw; height: 2cqw; }
  .draft-line--title { font-size: 4.2cqw; min-height: 5cqw; }
  .draft-line--meta { font-size: 2.2cqw; margin-bottom: 2.4cqw; }
  .draft-line--h { font-size: 3.1cqw; min-height: 3.4cqw; margin: 2cqw 0 1cqw; }
  .draft-line--p { font-size: 2.95cqw; line-height: 1.5; margin-bottom: 0.7cqw; }
  .draft-side { grid-template-columns: 1fr; gap: 1.4cqw; }
  .draft-card {
    padding: 2.2cqw;
    border-radius: 1.8cqw;
    font-size: 2.8cqw;
  }
  .draft-card b { font-size: 3cqw; margin-bottom: 0.8cqw; }
  .draft-card .mini-row {
    font-size: 2.4cqw;
    gap: 1.2cqw;
    padding: 0.9cqw 0;
  }
  .draft-card .mini-row svg { width: 2.8cqw; height: 2.8cqw; }
  .btn-export {
    font-size: 3.1cqw;
    padding: 2.4cqw;
    border-radius: 1.8cqw;
    gap: 1.4cqw;
  }
  .btn-export svg { width: 3.4cqw; height: 3.4cqw; }

  /* iOS-style banner notification at the top of the phone */
  .demo-toast {
    top: 2cqw;
    left: 3cqw;
    right: 3cqw;
    bottom: auto;
    max-width: none;
    z-index: 12;
    gap: 2cqw;
    padding: 2.4cqw 2.8cqw;
    border-radius: 2.6cqw;
    font-size: 3cqw;
    background: rgba(18, 28, 52, 0.92);
    border: 1px solid rgba(127, 214, 194, 0.35);
    box-shadow:
      0 1.6cqw 4.5cqw -1cqw rgba(0, 0, 0, 0.75),
      0 0 0 1px rgba(255, 255, 255, 0.04) inset;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    transform: translateY(calc(-100% - 4cqw));
  }
  .demo-toast.is-in { transform: none; }
  .demo-toast .t-ico {
    width: 6.2cqw;
    height: 6.2cqw;
  }
  .demo-toast .t-ico svg { width: 3.1cqw; height: 3.1cqw; }
  .demo-toast b { font-size: 3.05cqw; }
  .demo-toast > span > span { font-size: 2.35cqw; }

  .chapter {
    min-width: 4.25rem;
    padding: 0.55rem 0.7rem 0.65rem;
  }
  .chapter small { display: none; }
  .chapter b { font-size: 0.78rem; }
}

/* caption under player */
.demo-caption {
  margin-top: 1.6rem;
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  align-items: baseline;
  flex-wrap: wrap;
}
.demo-caption p { color: var(--t-dim); font-size: 0.98rem; max-width: 56ch; }
.demo-caption p b { color: var(--t-bright); font-weight: 600; }

/* ---------- 11. Switch section (Turn AI On) ------------------------------- */

.switch-section { background: var(--paper); color: var(--ink-900); }
.switch-section .switch-on { color: var(--cobalt); }

.power-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0;
  border: 1px solid var(--line-light-strong);
  border-radius: 999px;
  padding: 5px;
  background: var(--white);
  box-shadow: 0 14px 34px -20px rgba(12, 26, 58, 0.35);
  position: relative;
}
.power-toggle::before {
  content: "";
  position: absolute;
  top: 5px; bottom: 5px; left: 5px;
  width: calc(50% - 5px);
  border-radius: 999px;
  background: var(--cobalt);
  transition: transform 380ms var(--ease-io);
  box-shadow: 0 8px 22px -8px rgba(32, 80, 232, 0.7);
}
.power-toggle[data-side="1"]::before { transform: translateX(100%); }
.power-toggle button {
  position: relative;
  z-index: 1;
  padding: 0.8rem 2.1rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--ink-600);
  transition: color var(--mid) linear;
  min-width: 12ch;
}
.power-toggle button[aria-selected="true"] { color: #fff; }

.switch-panels { position: relative; margin-top: clamp(2.4rem, 5vw, 3.6rem); }
.switch-panel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: start;
}
.switch-panel[hidden] { display: none; }
@media (prefers-reduced-motion: no-preference) {
  .switch-panel { animation: panel-in 460ms var(--ease-out) both; }
  @keyframes panel-in {
    from { opacity: 0; transform: translateY(14px); }
    to { opacity: 1; transform: none; }
  }
}
.switch-panel .sp-title { font-family: var(--serif); font-size: clamp(1.7rem, 2.6vw, 2.3rem); line-height: 1.16; }
.switch-panel .sp-sub { font-family: var(--sans); font-size: 0.72rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--cobalt); margin-bottom: 1rem; }
.switch-panel .sp-body { color: var(--ink-600); margin-top: 1rem; max-width: 42ch; }
.switch-panel .link-arrow { margin-top: 1.6rem; }

.benefit-list { display: grid; gap: 0; border-top: 1px solid var(--line-light); }
.benefit {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.1rem;
  padding: 1.3rem 0.2rem;
  border-bottom: 1px solid var(--line-light);
  transition: background-color var(--mid) linear;
}
.benefit .b-n {
  font-family: var(--sans);
  font-size: 0.75rem;
  color: var(--cobalt);
  padding-top: 0.3rem;
}
.benefit b { display: block; font-size: 1.08rem; font-weight: 650; margin-bottom: 0.25rem; }
.benefit p { color: var(--ink-600); font-size: 0.97rem; line-height: 1.6; }

/* ---------- 12. Industries strip ------------------------------------------ */

.industries { background: var(--paper); }
.industries .section-head .h2 {
  font-size: clamp(2.45rem, 5vw, 4.1rem);
}
.ind-grid {
  display: grid;
  /* four solution categories since EdTech was added */
  grid-template-columns: repeat(4, 1fr);
  gap: 1.1rem;
}
@media (max-width: 1080px) {
  .ind-grid { grid-template-columns: repeat(2, 1fr); }
}
.ind-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 330px;
  padding: 1.8rem;
  border-radius: 18px;
  color: var(--ink-900);
  background: var(--white);
  border: 1px solid var(--line-light);
  overflow: hidden;
  transition: transform var(--mid) var(--ease-out), border-color var(--mid) linear, box-shadow var(--mid) linear;
}
.ind-card:hover { transform: translateY(-4px); border-color: rgba(32, 80, 232, 0.28); box-shadow: 0 30px 60px -30px rgba(12, 26, 58, 0.18); }
.ind-card .ic-kicker { font-family: var(--sans); font-weight: 600; font-size: 0.72rem; letter-spacing: 0.1em; color: var(--cobalt); text-transform: uppercase; }
.ind-card h3 { font-family: var(--serif); font-size: 1.9rem; margin-top: 0.7rem; }
.ind-card p { color: var(--ink-600); font-size: 0.95rem; margin-top: 0.6rem; max-width: 34ch; }
.ind-card .link-arrow { margin-top: auto; padding-top: 1.6rem; color: var(--cobalt); }

/* ---------- 13. Ring diagram --------------------------------------------- */

.diagram-section { background: var(--navy-900); }
.diagram-section .section-head .h2 {
  font-size: clamp(2.7rem, 5.5vw, 4.5rem);
}
.diagram-section .section-head .h2 em { color: var(--cobalt-bright); }
.diagram-grid {
  display: grid;
  grid-template-columns: minmax(300px, 460px) 1fr;
  gap: clamp(2.5rem, 6vw, 5.5rem);
  align-items: center;
}
.ring-wrap { position: relative; max-width: 460px; margin-inline: auto; width: 100%; }
.ring-svg { width: 100%; height: auto; overflow: visible; }
.ring-svg .seg {
  cursor: pointer;
  transition: opacity var(--mid) linear;
  opacity: 0.92;
}
.ring-svg .seg circle {
  fill: none;
  stroke-width: 26;
  transition: stroke-width var(--mid) var(--ease-out), filter var(--mid) linear;
}
.ring-svg .seg.is-hot circle { stroke-width: 34; filter: drop-shadow(0 0 14px rgba(93, 140, 255, 0.45)); }
.ring-svg .seg.is-dim { opacity: 0.32; }
.ring-center { text-anchor: middle; }
.ring-center .rc-name { font-family: var(--serif); font-size: 30px; fill: var(--t-bright); }
.ring-center .rc-sub { font-family: var(--sans); font-size: 9.5px; letter-spacing: 2.4px; fill: var(--sky); text-transform: uppercase; }
.ring-center .rc-li { font-family: var(--sans); font-size: 11.5px; fill: var(--t-dim); }

.ring-legend { display: grid; gap: 0; border-top: 1px solid var(--line-dark); }
.ring-item {
  text-align: left;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  column-gap: 1.1rem;
  padding: 1.35rem 0.4rem;
  border-bottom: 1px solid var(--line-dark);
  position: relative;
  transition: background-color 420ms var(--ease-out), transform 420ms var(--ease-out);
  transform: translateX(0);
}
.ring-item:hover, .ring-item.is-hot {
  background: rgba(93, 140, 255, 0.05);
  transform: translateX(0.5rem);
}
.ring-item .ri-dot {
  width: 10px;
  height: 10px;
  border-radius: 3px;
  transform: rotate(45deg) scale(1);
  transition: transform 420ms var(--ease-out), box-shadow 420ms var(--ease-out);
}
.ring-item:hover .ri-dot, .ring-item.is-hot .ri-dot {
  transform: rotate(45deg) scale(1.15);
  box-shadow: 0 0 10px rgba(93, 140, 255, 0.35);
}
.ring-item b {
  font-size: 1.14rem;
  font-weight: 600;
  color: var(--t-bright);
  display: block;
  transition: transform 420ms var(--ease-out);
}
.ring-item:hover b, .ring-item.is-hot b { transform: translateX(2px); }
.ring-item p {
  grid-column: 2 / 4;
  color: var(--t-dim); font-size: 0.95rem; line-height: 1.6;
  margin-top: 0.45rem;
  max-width: 58ch;
  transition: transform 420ms var(--ease-out);
}
.ring-item:hover p, .ring-item.is-hot p { transform: translateX(2px); }
.ring-item .ri-idx {
  font-family: var(--sans);
  font-size: 0.72rem;
  color: var(--t-faint);
  transition: transform 420ms var(--ease-out);
}
.ring-item:hover .ri-idx, .ring-item.is-hot .ri-idx { transform: translateX(-2px); }

/* ---------- 14. Delivery timeline ----------------------------------------- */

.deliver-section { background: var(--paper); }
.deliver-section .h2 em { color: var(--cobalt); }
.deliver-grid {
  display: grid;
  grid-template-columns: minmax(280px, 420px) 1fr;
  gap: clamp(2.5rem, 7vw, 6rem);
}
.deliver-sticky { position: sticky; top: calc(var(--nav-h) + 3rem); align-self: start; }
.deliver-progress {
  display: none;
  margin-top: 2.2rem;
  font-family: var(--sans); font-size: 0.75rem; letter-spacing: 0.2em; color: var(--ink-400);
}
@media (min-width: 861px) { .deliver-progress { display: flex; align-items: center; gap: 1rem; } }
.deliver-progress .dp-track { width: 130px; height: 2px; background: var(--line-light); position: relative; }
.deliver-progress .dp-track i { position: absolute; inset: 0; background: var(--cobalt); transform: scaleX(0); transform-origin: left; transition: transform 300ms ease-out; }

.step-list { display: grid; gap: 0; position: relative; }
.step-item {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: clamp(1.2rem, 3vw, 2.4rem);
  padding: clamp(1.8rem, 3.5vw, 2.6rem) 0;
  border-top: 1px solid var(--line-light);
  transition: opacity 400ms linear;
}
.step-item:last-child { border-bottom: 1px solid var(--line-light); }
.step-num {
  font-family: var(--serif);
  font-size: clamp(2.4rem, 4vw, 3.4rem);
  line-height: 1;
  color: var(--line-light-strong);
  min-width: 2ch;
  transition: color 400ms linear;
  font-variant-numeric: tabular-nums;
}
.step-item.is-active .step-num { color: var(--cobalt); }
.step-item h3 { font-size: 1.25rem; font-weight: 650; font-family: var(--sans); letter-spacing: 0.01em; margin-bottom: 0.5rem; }
.step-item p { color: var(--ink-600); max-width: 52ch; }
.step-item .step-tags { display: flex; flex-wrap: wrap; gap: 0.45rem; margin-top: 1rem; }
.step-item .step-tags span {
  font-family: var(--sans); font-size: 0.68rem; letter-spacing: 0.06em;
  border: 1px solid var(--line-light);
  color: var(--ink-400);
  border-radius: 999px;
  padding: 0.22rem 0.7rem;
  transition: color 400ms linear, border-color 400ms linear;
}
.step-item.is-active .step-tags span { color: var(--cobalt); border-color: rgba(32, 80, 232, 0.4); }

/* ---------- 15. Outcome cards --------------------------------------------- */

.outcomes { background: var(--paper-2); }
.outcome-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
.outcome-card {
  padding: 2rem 1.9rem 2.2rem;
  display: flex;
  flex-direction: column;
  min-height: 300px;
  background: linear-gradient(180deg, var(--white) 0%, color-mix(in srgb, var(--paper) 32%, var(--white)) 100%);
  transition:
    border-color var(--mid) ease-out,
    transform var(--mid) var(--ease-out),
    box-shadow var(--mid) ease-out,
    background var(--mid) ease-out;
}
.outcome-card::after {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent 4%, rgba(36, 84, 216, 0.55) 50%, transparent 96%);
  opacity: 0;
  transition: opacity var(--mid) ease-out;
}
.outcome-card .oc-ico {
  width: 46px; height: 46px;
  border-radius: 13px;
  display: grid; place-items: center;
  color: var(--cobalt);
  background: rgba(36, 84, 216, 0.07);
  border: 1px solid rgba(36, 84, 216, 0.18);
  margin-bottom: 1.5rem;
  transition: transform var(--mid) var(--ease-out), background var(--mid) ease-out, border-color var(--mid) ease-out;
}
.outcome-card h3 {
  font-size: 1.22rem;
  font-weight: 650;
  font-family: var(--sans);
  margin-bottom: 0.65rem;
  color: var(--ink-900);
  line-height: 1.3;
  letter-spacing: -0.01em;
}
.outcome-card p { color: var(--ink-600); font-size: 0.98rem; line-height: 1.62; }
.outcome-card .oc-idx {
  margin-top: auto;
  padding-top: 1.6rem;
  font-family: var(--sans);
  font-size: 0.72rem;
  letter-spacing: 0.09em;
  font-weight: 600;
  color: var(--ink-400);
}
@media (hover: hover) {
  .outcome-card.spot-card:hover {
    background: linear-gradient(165deg, rgba(36, 84, 216, 0.05) 0%, var(--white) 58%);
    border-color: rgba(36, 84, 216, 0.28);
  }
  .outcome-card.spot-card:hover::after { opacity: 1; }
  .outcome-card.spot-card:hover .oc-ico {
    transform: scale(1.05);
    background: rgba(36, 84, 216, 0.11);
    border-color: rgba(36, 84, 216, 0.3);
  }
}

/* ---------- 16. Stats band ------------------------------------------------ */

.stats-band { background: var(--navy-950); position: relative; overflow: clip; }
.team-band + .stats-band { padding-top: clamp(3rem, 6vw, 5rem); }
.stats-band::before {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(800px 300px at 50% 120%, rgba(36, 84, 216, 0.1), transparent 70%);
}
.stats-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}
.stat { text-align: left; padding: 0 2rem 0 0; border-left: 1px solid var(--line-dark); padding-left: 1.6rem; }
.stat b {
  display: block;
  font-family: var(--serif);
  font-size: clamp(2.6rem, 4.6vw, 4rem);
  line-height: 1;
  color: var(--t-bright);
  letter-spacing: -0.015em;
}
.stat b .unit { color: var(--sky); }
.stat > span { display: block; margin-top: 0.7rem; color: var(--t-dim); font-size: 0.92rem; max-width: 24ch; }
.stat b span { display: inline; }

/* ---------- 17. Security grid --------------------------------------------- */

.security { background: var(--navy-900); }
.sec-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line-dark);
  border-left: 1px solid var(--line-dark);
}
.sec-tile {
  position: relative;
  border-right: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
  padding: 2.2rem 1.9rem;
  min-height: 190px;
  display: flex; flex-direction: column; gap: 0.9rem;
  overflow: hidden;
}
.sec-tile::before {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(240px circle at var(--mx, 50%) var(--my, 20%), rgba(93, 140, 255, 0.1), transparent 65%);
  opacity: 0; transition: opacity var(--mid) linear;
}
.sec-tile:hover::before { opacity: 1; }
.sec-tile .st-ico { color: var(--sky); opacity: 0.9; }
.sec-tile b { font-size: 1.05rem; font-weight: 600; color: var(--t-bright); margin-top: auto; }
.sec-tile span { color: var(--t-faint); font-size: 0.86rem; line-height: 1.5; }
.sec-foot {
  border: 1px solid var(--line-dark);
  border-top: 0;
  text-align: center;
  padding: 0.9rem;
  font-family: var(--sans); font-size: 0.72rem; letter-spacing: 0.14em;
  color: var(--t-faint);
}

/* ---------- 18. Quotes ---------------------------------------------------- */

.quote-block { max-width: 900px; margin-inline: auto; text-align: center; }
.quote-card {
  padding: clamp(2rem, 4vw, 3rem) clamp(1.5rem, 3vw, 2.5rem);
  border: 1px solid var(--line-light);
  border-radius: 18px;
  background: var(--white);
}
.dark .quote-card {
  border-color: var(--line-dark);
  background: color-mix(in srgb, var(--navy-900) 35%, transparent);
}
.quote {
  font-family: var(--serif);
  font-size: clamp(1.5rem, 3vw, 2.3rem);
  line-height: 1.35;
  text-wrap: balance;
}
.quote .qmark { color: var(--cobalt); }
.dark .quote .qmark { color: var(--sky); }
.quote-attr {
  margin-top: 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.85rem;
}
.quote-attr__label {
  font-family: var(--sans);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cobalt);
}
.dark .quote-attr__label { color: var(--sky); }
.quote-attr__person {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.quote-attr__avatar {
  flex: none;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-family: var(--sans);
  font-size: 0.78rem;
  font-weight: 650;
  letter-spacing: 0.04em;
  color: var(--cobalt);
  background: rgba(36, 84, 216, 0.1);
  border: 1px solid rgba(36, 84, 216, 0.22);
}
.dark .quote-attr__avatar {
  color: var(--sky);
  background: rgba(93, 140, 255, 0.12);
  border-color: rgba(93, 140, 255, 0.28);
}
.quote-attr__meta { display: grid; gap: 0.2rem; text-align: left; }
.quote-attr b { font-size: 0.98rem; font-weight: 650; letter-spacing: 0.01em; color: var(--ink-900); }
.dark .quote-attr b { color: var(--t-bright); }
.quote-attr__role {
  font-family: var(--sans);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-400);
}
.dark .quote-attr__role { color: var(--t-faint); }
.quote-attr__firm {
  font-family: var(--sans);
  font-size: 0.82rem;
  color: var(--ink-600);
}
.dark .quote-attr__firm { color: var(--t-dim); }

/* ---------- 19. Marquee --------------------------------------------------- */

.marquee-band { padding-block: 2.2rem; border-block: 1px solid var(--line-dark); background: var(--navy-950); overflow: hidden; }
.marquee { display: flex; overflow: hidden; -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); }
.marquee__track {
  display: flex;
  flex: none;
  align-items: center;
  gap: 4.5rem;
  padding-right: 4.5rem;
  animation: marquee 46s linear infinite;
}
.marquee:hover .marquee__track { animation-play-state: paused; }
@keyframes marquee { to { transform: translateX(-100%); } }
@media (prefers-reduced-motion: reduce) {
  .marquee__track { animation: none; }
  .marquee { flex-wrap: wrap; }
}
.marquee__item {
  display: inline-flex; align-items: center; gap: 0.8rem;
  font-family: var(--sans);
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--t-faint);
  white-space: nowrap;
}
.marquee__item i { width: 4px; height: 4px; border-radius: 50%; background: var(--cobalt-bright); opacity: 0.8; }

/* ---------- 20. Use-case explorer (Law) ----------------------------------- */

.usecase-section { background: var(--paper); }
.uc-grid {
  display: grid;
  grid-template-columns: minmax(300px, 430px) 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}
.uc-list { border-top: 1px solid var(--line-light); }
.uc-item { border-bottom: 1px solid var(--line-light); }
.uc-item > button {
  width: 100%;
  display: flex;
  align-items: baseline;
  gap: 1rem;
  text-align: left;
  padding: 1.25rem 0.3rem;
  font-family: var(--serif);
  font-size: clamp(1.3rem, 2vw, 1.7rem);
  color: var(--ink-400);
  transition: color var(--mid) linear, padding-left var(--mid) var(--ease-out);
}
.uc-item > button:hover { color: var(--ink-600); }
.uc-item.is-open > button { color: var(--ink-900); padding-left: 0.8rem; }
.uc-item .uc-n { font-family: var(--sans); font-size: 0.7rem; letter-spacing: 0.1em; color: var(--cobalt); opacity: 0.55; transition: opacity var(--mid) linear; }
.uc-item.is-open .uc-n { opacity: 1; }
.uc-item .uc-body {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 420ms var(--ease-io);
}
.uc-item.is-open .uc-body { grid-template-rows: 1fr; }
.uc-body > div { overflow: hidden; }
.uc-body p { color: var(--ink-600); font-size: 0.97rem; padding: 0 0.3rem 1.3rem 0.8rem; max-width: 46ch; }
.uc-stagewrap { position: sticky; top: calc(var(--nav-h) + 2rem); }
.uc-stage {
  position: relative;
  display: flex;
  flex-direction: column;
  border-radius: 18px;
  background: var(--white);
  border: 1px solid var(--line-light-strong);
  box-shadow: 0 30px 70px -32px rgba(17, 17, 20, 0.16), 0 10px 28px -12px rgba(17, 17, 20, 0.08);
  aspect-ratio: 16 / 11;
  overflow: hidden;
  container-type: size;
}

/* browser-style chrome bar, echoing the platform-demo frame in light theme */
.uc-chrome {
  flex: none;
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.7rem 1.1rem;
  background: var(--paper);
  border-bottom: 1px solid var(--line-light);
}
.uc-chrome .dots { display: flex; gap: 6px; flex: none; }
.uc-chrome .dots i { width: 9px; height: 9px; border-radius: 50%; background: var(--line-light-strong); }
.uc-chrome .addr {
  flex: 1;
  max-width: 300px;
  margin-inline: auto;
  display: flex; align-items: center; justify-content: center; gap: 0.5rem;
  font-family: var(--sans); font-weight: 500; font-size: 0.72rem; letter-spacing: 0.01em;
  color: var(--ink-400);
  background: var(--white);
  border: 1px solid var(--line-light);
  border-radius: 7px;
  padding: 0.32rem 0.85rem;
}
.uc-chrome .addr svg { opacity: 0.6; flex: none; }
.uc-chrome-live {
  flex: none;
  font-family: var(--sans); font-weight: 650; font-size: 0.62rem; letter-spacing: 0.11em;
  color: var(--cobalt);
  display: inline-flex; align-items: center; gap: 0.42rem;
  white-space: nowrap;
}
.uc-chrome-live i { width: 6px; height: 6px; border-radius: 50%; background: var(--cobalt-bright); box-shadow: 0 0 7px 1px rgba(74, 114, 240, 0.55); }
@media (prefers-reduced-motion: no-preference) {
  .uc-chrome-live i { animation: live-pulse 2s ease-in-out infinite; }
}

/* app shell: nav rail + content, mirroring the demo workspace layout */
.uc-appgrid { flex: 1; display: grid; grid-template-columns: 14.5cqw 1fr; overflow: hidden; }
.uc-side {
  border-right: 1px solid var(--line-light);
  background: var(--paper);
  padding: 1.3cqw 1cqw;
  display: flex; flex-direction: column; gap: 0.25cqw;
}
.uc-side__logo {
  display: flex; align-items: center; gap: 0.35cqw;
  font-family: var(--sans);
  font-weight: 600;
  letter-spacing: -0.02em;
  font-size: 1.05cqw;
  text-transform: none;
  color: var(--ink-900);
  padding: 0.3cqw 0.6cqw 1.5cqw;
}
.uc-side__logo svg,
.uc-side__logo img { height: 1.8cqw; width: auto; flex: none; object-fit: contain; transform: translateY(0.08em); }
.uc-side__item {
  display: flex; align-items: center; gap: 0.85cqw;
  padding: 0.72cqw 0.8cqw;
  border-radius: 0.6cqw;
  font-size: 1.02cqw; font-weight: 500;
  color: var(--ink-400);
  border: 1px solid transparent;
  transition: background-color var(--mid) ease-out, color var(--mid) ease-out, border-color var(--mid) ease-out;
}
.uc-side__item svg { width: 1.2cqw; height: 1.2cqw; opacity: 0.8; flex: none; }
.uc-side__item.is-active {
  background: rgba(36, 84, 216, 0.08);
  border-color: rgba(36, 84, 216, 0.22);
  color: var(--cobalt-deep);
}
.uc-side__meta {
  margin-top: auto;
  border-top: 1px solid var(--line-light);
  padding-top: 1cqw;
  font-family: var(--mono); font-size: 0.62cqw; letter-spacing: 0.08em;
  color: var(--ink-400);
  display: grid; gap: 0.4cqw;
}
.uc-side__meta em { color: #2a8f7a; font-style: normal; }
.uc-main { position: relative; overflow: hidden; }

.uc-pane {
  position: absolute; inset: 0;
  padding: 2cqw;
  opacity: 0; visibility: hidden;
  transform: translateY(1.4cqw) scale(0.99);
  transition: opacity 380ms ease-out, transform 460ms var(--ease-out), visibility 0s linear 460ms;
}
.uc-pane.is-live { opacity: 1; visibility: visible; transform: none; transition-delay: 40ms, 40ms, 0s; }

/* use-case pane mocks (light mini-UIs on paper) */
.uc-mock {
  padding: 1.8cqw 2cqw;
  height: 100%;
  display: flex;
  flex-direction: column;
  gap: 1.2cqw;
  color: var(--ink-600);
  font-size: 1.35cqw;
  background: linear-gradient(180deg, var(--white), var(--paper) 140%);
}
.uc-mock__bar {
  display: flex; align-items: center; gap: 0.9cqw;
  font-weight: 600; font-size: 1.4cqw;
  color: var(--ink-900);
  padding-bottom: 1.1cqw;
  border-bottom: 1px solid var(--line-light);
}
.uc-mock__ico {
  display: inline-flex; align-items: center; justify-content: center;
  flex: none;
  width: 2.2cqw; height: 2.2cqw;
  border-radius: 0.65cqw;
  background: rgba(36, 84, 216, 0.09);
  color: var(--cobalt);
}
.uc-mock__ico svg { width: 1.2cqw; height: 1.2cqw; }
.uc-mock__bar .mono-tag {
  margin-left: auto;
  font-family: var(--mono); font-size: 0.78cqw; letter-spacing: 0.13em;
  color: var(--cobalt);
  background: rgba(36, 84, 216, 0.07);
  border: 1px solid rgba(36, 84, 216, 0.25);
  padding: 0.25cqw 0.8cqw; border-radius: 999px;
  white-space: nowrap;
}
.uc-pane .doc-line { background: rgba(10, 10, 12, 0.08); }
.uc-pane .doc-heading { background: rgba(10, 10, 12, 0.14); }
.uc-row {
  display: flex; align-items: center; gap: 1cqw;
  padding: 0.9cqw 0.4cqw;
  border-bottom: 1px dashed var(--line-light);
  font-size: 1.15cqw;
  color: var(--ink-600);
}
.uc-row:last-child { border-bottom: 0; }
.uc-row .ur-name { color: var(--ink-900); font-weight: 500; }
.uc-row .spacer { flex: 1; }
.uc-row .pill { font-family: var(--mono); font-size: 0.85cqw; padding: 0.2cqw 0.8cqw; border-radius: 999px; letter-spacing: 0.06em; }
.uc-kv { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1cqw; }
.uc-kv > div {
  border: 1px solid var(--line-light); border-radius: 0.8cqw;
  padding: 1cqw 1.1cqw;
  background: var(--paper);
}
.uc-kv b { display: block; font-family: var(--serif); font-size: 2.2cqw; color: var(--ink-900); }
.uc-kv span { font-family: var(--mono); font-size: 0.8cqw; letter-spacing: 0.12em; color: var(--ink-400); text-transform: uppercase; }
.uc-stream { position: relative; }
.uc-stream .hl-ink {
  background-image: linear-gradient(rgba(36, 84, 216, 0.14), rgba(36, 84, 216, 0.14));
  border-radius: 0.2cqw;
  padding: 0 0.2cqw;
  color: var(--cobalt-deep);
}

/* ---------- 21. Finance dashboard mock ------------------------------------ */

.fin-dash {
  position: relative;
  border-radius: 18px;
  border: 1px solid var(--line-dark);
  background: linear-gradient(170deg, #17181d, #0a0b0e 70%);
  box-shadow: 0 50px 110px -45px rgba(2, 6, 20, 0.95), 0 0 60px -38px rgba(36, 84, 216, 0.35);
  padding: 1.4rem;
  display: grid;
  grid-template-columns: 1.35fr 1fr 1fr;
  grid-template-rows: auto 1fr;
  gap: 1rem;
  color: var(--t-bright);
}
.fin-card {
  border: 1px solid var(--line-dark);
  border-radius: 12px;
  background: var(--surface-inset);
  padding: 1rem 1.1rem;
  min-height: 120px;
}
.fin-card .fc-label { font-family: var(--mono); font-size: 0.64rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--t-faint); display: flex; justify-content: space-between; gap: 1rem; }
.fin-card .fc-label em { color: var(--mint); font-style: normal; }
.fin-num { font-family: var(--serif); font-size: 1.9rem; margin-top: 0.5rem; font-variant-numeric: tabular-nums; }
.fin-num small { font-family: var(--mono); font-size: 0.7rem; color: var(--sky); letter-spacing: 0.06em; }
.fin-bars { display: flex; align-items: flex-end; gap: 6px; height: 74px; margin-top: 0.9rem; }
.fin-bars i {
  flex: 1;
  background: linear-gradient(to top, rgba(32, 80, 232, 0.75), rgba(93, 140, 255, 0.35));
  border-radius: 3px 3px 0 0;
  height: calc(var(--h) * 1%);
  min-height: 8%;
  transform-origin: bottom;
}
.js .fin-bars i { transform: scaleY(0); transition: transform 700ms var(--ease-out) calc(var(--i) * 60ms); }
.js .is-visible .fin-bars i, .no-reveal .fin-bars i { transform: none; }
.fin-rows { display: grid; gap: 0.55rem; margin-top: 0.9rem; }
.fin-row {
  display: flex; align-items: center; gap: 0.7rem;
  font-family: var(--mono); font-size: 0.7rem;
  color: var(--t-dim);
  border-bottom: 1px dashed var(--line-dark);
  padding-bottom: 0.5rem;
}
.fin-row:last-child { border-bottom: 0; }
.fin-row .dot { width: 6px; height: 6px; border-radius: 50%; flex: none; }
.fin-row .amt { margin-left: auto; color: var(--t-bright); }
.fin-row .pill {
  font-size: 0.6rem;
  padding: 0.12rem 0.5rem;
  border-radius: 999px;
  letter-spacing: 0.08em;
}
.pill--warn { background: rgba(240, 180, 100, 0.14); color: var(--warn); border: 1px solid rgba(240, 180, 100, 0.3); }
.pill--ok { background: rgba(127, 214, 194, 0.12); color: var(--mint); border: 1px solid rgba(127, 214, 194, 0.28); }
.pill--info { background: rgba(93, 140, 255, 0.14); color: var(--sky); border: 1px solid rgba(93, 140, 255, 0.3); }

/* capability columns */
.cap-section { background: var(--paper); }
.cap-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.25rem; align-items: stretch; }
.cap-col {
  display: flex;
  flex-direction: column;
  padding: 1.85rem 1.75rem 2rem;
  background: linear-gradient(180deg, var(--white) 0%, color-mix(in srgb, var(--paper) 28%, var(--white)) 100%);
  transition:
    border-color var(--mid) ease-out,
    transform var(--mid) var(--ease-out),
    box-shadow var(--mid) ease-out,
    background var(--mid) ease-out;
}
.cap-col::after {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent 4%, rgba(36, 84, 216, 0.55) 50%, transparent 96%);
  opacity: 0;
  transition: opacity var(--mid) ease-out;
}
.cap-head { margin-bottom: 0.15rem; }
.cap-ico {
  width: 44px;
  height: 44px;
  border-radius: 13px;
  display: grid;
  place-items: center;
  color: var(--cobalt);
  background: rgba(36, 84, 216, 0.07);
  border: 1px solid rgba(36, 84, 216, 0.18);
  margin-bottom: 1.15rem;
  transition: transform var(--mid) var(--ease-out), background var(--mid) ease-out, border-color var(--mid) ease-out;
}
.cap-col h3 {
  font-size: 1.18rem;
  font-weight: 600;
  font-family: var(--serif);
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--line-light);
  margin-bottom: 0.55rem;
  color: var(--ink-900);
  line-height: 1.28;
  letter-spacing: -0.01em;
}
.cap-list {
  flex: 1;
  margin: 0;
  padding: 0;
  list-style: none;
}
.cap-col li {
  position: relative;
  padding: 0.52rem 0 0.52rem 1.25rem;
  color: var(--ink-600);
  font-size: 0.9rem;
  line-height: 1.55;
  border-radius: 6px;
  transition: color var(--fast) ease-out, background var(--fast) ease-out;
}
.cap-col li::before {
  content: "";
  position: absolute;
  top: 1.12rem;
  left: 0;
  width: 4px;
  height: 4px;
  background: var(--cobalt);
  transform: rotate(45deg);
  opacity: 0.45;
  transition: opacity var(--fast) ease-out, box-shadow var(--fast) ease-out;
}
@media (hover: hover) {
  .cap-col.spot-card:hover {
    background: linear-gradient(165deg, rgba(36, 84, 216, 0.05) 0%, var(--white) 58%);
    border-color: rgba(36, 84, 216, 0.28);
  }
  .cap-col.spot-card:hover::after { opacity: 1; }
  .cap-col.spot-card:hover .cap-ico {
    transform: scale(1.05);
    background: rgba(36, 84, 216, 0.11);
    border-color: rgba(36, 84, 216, 0.3);
  }
  .cap-col li:hover {
    color: var(--ink-900);
  }
  .cap-col li:hover::before {
    opacity: 1;
  }
}

/* ---------- 22. Flip cards ------------------------------------------------ */

.cases-section { background: var(--navy-950); }
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.1rem; perspective: 1600px; }
.case-card {
  position: relative;
  min-height: 400px;
  border-radius: 18px;
  transform-style: preserve-3d;
  transition: transform 640ms var(--ease-io);
  cursor: pointer;
  outline-offset: 6px;
}
.case-card.is-flipped { transform: rotateY(180deg); }
@media (hover: hover) {
  .case-grid:not(.no-hoverflip) .case-card:hover { transform: rotateY(180deg); }
}
.case-face {
  position: absolute; inset: 0;
  border-radius: inherit;
  padding: 2rem 1.9rem;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  display: flex; flex-direction: column;
  border: 1px solid var(--line-dark);
  overflow: hidden;
}
.case-face--front {
  background:
    radial-gradient(130% 110% at 0% 100%, rgba(36, 84, 216, 0.12), transparent 55%),
    linear-gradient(160deg, var(--navy-800), var(--navy-950) 75%);
  color: var(--t-bright);
}
.case-face--front .cf-kicker { font-family: var(--sans); font-size: 0.66rem; letter-spacing: 0.1em; font-weight: 600; color: var(--sky); text-transform: uppercase; }
.case-face--front h3 { font-family: var(--serif); font-size: 1.65rem; line-height: 1.2; margin-top: 1rem; max-width: 17ch; }
.case-face--front .cf-flip {
  margin-top: auto;
  display: inline-flex; align-items: center; gap: 0.6rem;
  font-family: var(--sans); font-size: 0.7rem; letter-spacing: 0.09em; font-weight: 600; text-transform: uppercase;
  color: var(--t-faint);
}
.case-face--front .cf-flip svg { transition: transform var(--mid) var(--ease-out); }
.case-card:hover .cf-flip svg { transform: rotate(180deg); }
.case-face--front .cf-index {
  position: absolute; right: 1.4rem; top: 1.1rem;
  font-family: var(--serif); font-size: 4.4rem; line-height: 1;
  color: rgba(172, 174, 182, 0.13);
}
.case-face--back {
  transform: rotateY(180deg);
  background: var(--paper);
  color: var(--ink-900);
  border-color: transparent;
}
.case-face--back .cb-label { font-family: var(--sans); font-size: 0.66rem; letter-spacing: 0.1em; font-weight: 600; color: var(--cobalt); text-transform: uppercase; margin-bottom: 1.1rem; }
.case-face--back ul { list-style: none; padding: 0; margin: 0; }
.case-face--back li {
  position: relative;
  padding: 0.65rem 0 0.65rem 1.5rem;
  font-size: 0.95rem;
  line-height: 1.55;
  color: var(--ink-600);
  border-bottom: 1px solid var(--line-light);
}
.case-face--back li:last-child { border-bottom: 0; }
.case-face--back li b { color: var(--ink-900); }
.case-face--back li::before {
  content: "";
  position: absolute; left: 0.1rem; top: 1.25rem;
  width: 8px; height: 2px;
  background: var(--cobalt);
}
.case-face--back .cb-foot { margin-top: auto; font-family: var(--sans); font-size: 0.68rem; letter-spacing: 0.12em; color: var(--ink-400); padding-top: 1rem; }

/* Finance case studies — expandable panels (no flip / 3D) */
.case-panels {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.1rem;
  align-items: start;
}
.case-panel {
  border-radius: 18px;
  border: 1px solid var(--line-dark);
  background:
    radial-gradient(130% 110% at 0% 100%, rgba(36, 84, 216, 0.12), transparent 55%),
    linear-gradient(160deg, var(--navy-800), var(--navy-950) 75%);
  overflow: hidden;
  transition: border-color 240ms linear, box-shadow 280ms var(--ease-out);
}
.case-panel.is-open {
  border-color: rgba(93, 140, 255, 0.45);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.28);
}
.case-panels--reveal .case-panel__detail {
  transition: grid-template-rows 260ms var(--ease-out);
}
.case-panels--reveal .case-panel__detail-inner {
  transition: opacity 240ms var(--ease-out), transform 240ms var(--ease-out);
}
.case-panel__trigger {
  width: 100%;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: start;
  gap: 1rem 1.1rem;
  padding: 2rem 1.9rem;
  text-align: left;
  color: inherit;
  cursor: pointer;
  position: relative;
}
.case-panel__index {
  font-family: var(--serif);
  font-size: 2.4rem;
  line-height: 1;
  color: rgba(172, 174, 182, 0.22);
  font-variant-numeric: tabular-nums;
}
.case-panel__meta { display: grid; gap: 0.55rem; min-width: 0; }
.case-panel__kicker {
  font-family: var(--sans);
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  font-weight: 600;
  color: var(--sky);
  text-transform: uppercase;
}
.case-panel__title {
  font-family: var(--serif);
  font-size: 1.45rem;
  line-height: 1.22;
  color: var(--t-bright);
  display: block;
}
.case-panel__chev {
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--t-faint);
  transition: transform 260ms var(--ease-out), color 260ms linear;
  margin-top: 0.15rem;
}
.case-panel.is-open .case-panel__chev {
  transform: rotate(180deg);
  color: var(--sky);
}
.case-panel__detail {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 320ms var(--ease-out);
}
.case-panel.is-open .case-panel__detail { grid-template-rows: 1fr; }
.case-panel__detail-inner {
  overflow: hidden;
  margin: 0 1.1rem 1.1rem;
  padding: 1.35rem 1.4rem 1.2rem;
  border-radius: 12px;
  background: var(--paper);
  color: var(--ink-900);
  opacity: 0;
  transform: translateY(-6px);
  transition: opacity 260ms var(--ease-out), transform 260ms var(--ease-out);
}
.case-panel.is-open .case-panel__detail-inner {
  opacity: 1;
  transform: none;
}
.case-panel__label {
  font-family: var(--sans);
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  font-weight: 600;
  color: var(--cobalt);
  text-transform: uppercase;
  margin-bottom: 1rem;
}
.case-panel__detail ul { list-style: none; padding: 0; margin: 0; }
.case-panel__detail li {
  position: relative;
  padding: 0.65rem 0 0.65rem 1.5rem;
  font-size: 0.95rem;
  line-height: 1.55;
  color: var(--ink-600);
  border-bottom: 1px solid var(--line-light);
}
.case-panel__detail li:last-child { border-bottom: 0; }
.case-panel__detail li b { color: var(--ink-900); }
.case-panel__detail li::before {
  content: "";
  position: absolute; left: 0.1rem; top: 1.25rem;
  width: 8px; height: 2px;
  background: var(--cobalt);
}
.case-panel__foot {
  margin-top: 1rem;
  padding-top: 0.85rem;
  border-top: 1px solid var(--line-light);
  font-family: var(--sans);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-400);
}
@media (prefers-reduced-motion: reduce) {
  .case-panel__detail,
  .case-panel__detail-inner,
  .case-panel__chev,
  .case-panel { transition: none; }
  .case-panel__detail-inner { transform: none; }
  .case-panel.is-open .case-panel__detail-inner { opacity: 1; }
}

/* ---------- 23. Feature rows / prof services ------------------------------ */

.sector-list { border-top: 1px solid var(--line-dark); }
.sector-row {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 2rem;
  padding: 2rem 0.4rem;
  border-bottom: 1px solid var(--line-dark);
  color: var(--t-bright);
  position: relative;
}
.sector-row .sr-idx { font-family: var(--sans); font-size: 0.72rem; color: var(--t-faint); }
.sector-row h3 { font-family: var(--serif); font-size: clamp(1.6rem, 3.2vw, 2.5rem); font-weight: 400; }
.sector-row p { grid-column: 2; color: var(--t-dim); max-width: 62ch; margin-top: 0.4rem; }

/* ---------- 24. About / insights ------------------------------------------ */

.principles { counter-reset: princ; }
.principle {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: clamp(1.4rem, 4vw, 3rem);
  padding: clamp(1.6rem, 3vw, 2.4rem) 0;
  border-top: 1px solid var(--line-light);
}
.principle:last-child { border-bottom: 1px solid var(--line-light); }
.principle .pr-num { font-family: var(--sans); font-size: 0.75rem; color: var(--cobalt); padding-top: 0.5rem; letter-spacing: 0.15em; }
.principle h3 { font-family: var(--serif); font-size: clamp(1.5rem, 2.6vw, 2.1rem); }
.principle p { color: var(--ink-600); margin-top: 0.7rem; max-width: 60ch; }

.team-band { background: var(--navy-900); }
.team-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.1rem; }
.team-cell {
  border: 1px solid var(--line-dark);
  border-radius: 16px;
  padding: 1.8rem 1.7rem;
  background: var(--surface-inset);
}
.team-cell b { display: block; color: var(--t-bright); font-size: 1.05rem; margin-bottom: 0.4rem; }
.team-cell p { color: var(--t-dim); font-size: 0.93rem; }
.team-cell .tc-mono { font-family: var(--sans); font-size: 0.68rem; letter-spacing: 0.2em; color: var(--sky); text-transform: uppercase; display: block; margin-bottom: 1.1rem; }

/* meet the team */
.people-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.1rem; }
.person-card {
  padding: 1.7rem 1.4rem 1.9rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
}
.person-avatar {
  width: 96px;
  height: 96px;
  margin-bottom: 1.15rem;
  border-radius: 22px;
  overflow: hidden;
  flex-shrink: 0;
  box-shadow: 0 10px 26px -14px rgba(12, 26, 58, 0.4);
}
.person-avatar img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 18%;
}
.person-avatar--placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(155deg, #eef1f7 0%, #e2e8f4 100%);
  border: 1px solid rgba(36, 84, 216, 0.12);
  box-shadow: 0 10px 26px -14px rgba(12, 26, 58, 0.28);
}
.person-avatar--placeholder span {
  font-family: var(--serif);
  font-size: 1.85rem;
  font-weight: 500;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--cobalt-deep);
}
.person-name {
  display: block;
  font-family: var(--serif);
  font-size: clamp(1.35rem, 1.8vw, 1.55rem);
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--ink-900);
  margin-bottom: 0.45rem;
}
.person-role {
  font-family: var(--sans);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cobalt);
  margin-bottom: 0.95rem;
}
.person-desc { font-size: 0.88rem; line-height: 1.55; color: var(--ink-600); max-width: 26ch; margin-inline: auto; }

/* insights */
.insight-featured {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
  padding: clamp(1.8rem, 4vw, 3rem);
}
.insight-featured .if-art {
  aspect-ratio: 16 / 10;
  border-radius: 14px;
  overflow: hidden;
  position: relative;
  padding: clamp(0.5rem, 1.5vw, 0.85rem);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.03) 0%, transparent 28%),
    linear-gradient(165deg, #17181d 0%, #0a0b0e 100%);
  border: 1px solid var(--line-dark);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.04),
    0 18px 40px rgba(8, 9, 11, 0.18);
}
.insight-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.1rem; }
.insight-card { padding: 1.7rem 1.6rem 1.9rem; display: flex; flex-direction: column; min-height: 300px; }

/* demo previews */
.hero--demos {
  padding-top: calc(var(--nav-h) + 1.6rem);
  padding-bottom: 1.8rem;
}
.demos-page {
  padding-top: clamp(2.2rem, 4vw, 3.2rem);
}
.demos-page__title {
  font-family: var(--serif);
  font-size: clamp(3rem, 6.5vw, 4.8rem);
  font-weight: 400;
  letter-spacing: -0.01em;
  color: var(--t-bright);
}
.demo-preview-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.1rem;
  max-width: 900px;
  margin-inline: auto;
}
.demo-preview {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 1.1rem 1.1rem 1.3rem;
  color: inherit;
  text-decoration: none;
  cursor: pointer;
}
.demo-preview__body { display: flex; flex-direction: column; }
.demo-preview__frame {
  border-radius: 14px;
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--line-light);
  box-shadow: 0 10px 28px rgba(12, 16, 28, 0.06);
}
.demo-preview__chrome {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.65rem 0.85rem;
  background: var(--paper-2);
  border-bottom: 1px solid var(--line-light);
}
.demo-preview__dots { display: flex; gap: 5px; }
.demo-preview__dots i { width: 8px; height: 8px; border-radius: 50%; background: #c8c9ce; }
.demo-preview__url {
  flex: 1;
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--ink-600);
  background: var(--white);
  border: 1px solid var(--line-light);
  border-radius: 6px;
  padding: 0.28rem 0.65rem;
  text-align: center;
}
.demo-preview__stage {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 0.7rem;
  padding: 0.85rem;
  min-height: 210px;
  background: var(--paper);
}
.demo-preview .in-cat {
  font-family: var(--sans);
  font-size: 0.74rem;
  letter-spacing: 0.09em;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--cobalt);
}
.demo-preview h3 { font-family: var(--serif); font-size: clamp(1.6rem, 2.2vw, 2rem); line-height: 1.2; margin-top: 0.4rem; }
.demo-preview p { color: var(--ink-600); font-size: 1rem; margin-top: 0.6rem; max-width: 44ch; }
.demo-preview .in-meta {
  margin-top: auto;
  padding-top: 1.1rem;
  font-family: var(--sans);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--ink-400);
  display: flex;
}

.dp-list__row b, .dp-note span {
  display: block;
  height: 7px;
  border-radius: 99px;
  background: rgba(17, 17, 20, 0.1);
}

.dp-list { display: flex; flex-direction: column; gap: 0.42rem; }
.dp-list__row { display: flex; align-items: center; gap: 0.45rem; padding: 0.42rem; border-radius: 7px; background: var(--white); border: 1px solid var(--line-light); }
.dp-list__row i { width: 10px; height: 10px; border-radius: 50%; background: var(--cobalt); flex-shrink: 0; }
.dp-list__row b { flex: 1; height: 6px; }
.dp-note { display: flex; flex-direction: column; gap: 0.42rem; padding: 0.7rem; background: var(--white); border: 1px solid var(--line-light); border-radius: 8px; }
.dp-note span:nth-child(2) { width: 72%; }
.dp-note span:nth-child(3) { width: 48%; }

/* intake console: case list with the open case highlighted (left) + record (right) */
.demo-preview__stage--intake .dp-list__row { position: relative; padding-left: 0.55rem; }
.demo-preview__stage--intake .dp-list__row.is-active {
  background: rgba(36, 84, 216, 0.07);
  border-color: rgba(36, 84, 216, 0.28);
}
.demo-preview__stage--intake .dp-list__row.is-active::before {
  content: "";
  position: absolute;
  left: 0; top: 20%; bottom: 20%;
  width: 2px;
  border-radius: 99px;
  background: var(--cobalt);
}
/* the amber stub stands in for the estimated case value column */
.demo-preview__stage--intake .dp-list__row em {
  display: block;
  width: var(--w, 30%);
  height: 6px;
  border-radius: 99px;
  background: rgba(168, 112, 44, 0.45);
  flex-shrink: 0;
}

/* real estate: maintenance pipeline (left) + 50-unit monitor grid (right) */
.demo-preview__stage--re { grid-template-columns: 1fr 0.82fr; }
.dp-flow { display: flex; flex-direction: column; gap: 0.4rem; }
.dp-flow__row {
  display: flex;
  align-items: center;
  flex: 1;
  min-height: 0;
  padding: 0 0.6rem;
  border-radius: 8px;
  background: var(--white);
  border: 1px solid var(--line-light);
}
.dp-flow__row i {
  display: block;
  height: 6px;
  border-radius: 99px;
  background: rgba(17, 17, 20, 0.09);
  position: relative;
  overflow: hidden;
}
.dp-flow__row i::after {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: var(--p);
  border-radius: 99px;
  background: linear-gradient(90deg, rgba(127, 214, 194, 0.85), var(--cobalt));
}
.dp-flow__row:first-child { border-color: rgba(36, 84, 216, 0.34); }

.dp-units {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  grid-template-rows: repeat(4, 1fr);
  gap: 0.28rem;
  min-height: 0;
}
.dp-units span {
  display: block;
  min-height: 0;
  border-radius: 5px;
  background: var(--white);
  border: 1px solid var(--line-light);
  position: relative;
}
.dp-units span::after {
  content: "";
  position: absolute;
  top: 3px; right: 3px;
  width: 4px; height: 4px;
  border-radius: 50%;
  background: rgba(127, 214, 194, 0.9);
}
.dp-units span:nth-child(5)::after,
.dp-units span:nth-child(12)::after { background: var(--cobalt); }
.dp-units span:nth-child(18)::after { background: var(--warn); }
.dp-units span:nth-child(5),
.dp-units span:nth-child(12),
.dp-units span:nth-child(18) { border-color: rgba(36, 84, 216, 0.3); background: rgba(36, 84, 216, 0.05); }

/* hotel: nav rail (left) + floor/wing occupancy map (right) */
.demo-preview__stage--hotel { grid-template-columns: 0.32fr 1fr; }
.dp-floors {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(5, 1fr);
  gap: 0.28rem;
  min-height: 0;
}
.dp-floors span {
  display: block;
  min-height: 0;
  border-radius: 5px;
  background: var(--white);
  border: 1px solid var(--line-light);
}
.dp-floors span.is-late {
  background: rgba(196, 61, 61, 0.12);
  border-color: rgba(196, 61, 61, 0.35);
}
.dp-floors span.is-active {
  background: rgba(36, 84, 216, 0.08);
  border-color: rgba(36, 84, 216, 0.32);
}
.dp-floors span.is-done {
  background: rgba(47, 143, 91, 0.12);
  border-color: rgba(47, 143, 91, 0.28);
}

.dp-rail {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding: 0.65rem 0.5rem;
  border-radius: 8px;
  background: var(--white);
  border: 1px solid var(--line-light);
}
.dp-rail i { display: block; height: 7px; border-radius: 99px; background: rgba(17, 17, 20, 0.1); }
.dp-rail i:first-child { width: 72%; margin-bottom: 0.3rem; background: var(--cobalt); }
.dp-rail i:nth-child(3) { width: 82%; background: rgba(36, 84, 216, 0.35); }
.dp-rail i:nth-child(4) { width: 66%; }

@media (max-width: 860px) {
  .demo-preview { padding: 1rem 1rem 1.2rem; }
  .demo-preview__stage { min-height: 165px; }
}
.insight-card .in-cat { font-family: var(--sans); font-size: 0.66rem; letter-spacing: 0.09em; font-weight: 600; text-transform: uppercase; color: var(--cobalt); }
.insight-card h3 { font-family: var(--serif); font-size: 1.42rem; line-height: 1.25; margin-top: 0.9rem; }
.insight-card p { color: var(--ink-600); font-size: 0.93rem; margin-top: 0.7rem; }
.insight-card .in-meta { margin-top: auto; padding-top: 1.4rem; font-family: var(--sans); font-size: 0.68rem; letter-spacing: 0.1em; color: var(--ink-400); display: flex; gap: 1.2rem; }

/* newsletter band */
.news-band { text-align: center; }
.news-band__lede { margin-inline: auto; margin-top: 1.2rem; }
.news-form {
  display: flex;
  gap: 0.7rem;
  max-width: 520px;
  margin: 2rem auto 0;
}
.news-form input {
  flex: 1;
  background: rgba(172, 174, 182, 0.06);
  border: 1px solid var(--line-dark);
  border-radius: 999px;
  color: var(--t-bright);
  padding: 0.85rem 1.3rem;
  font-size: 0.95rem;
}
.news-form input::placeholder { color: var(--t-faint); }
.news-form input:focus { outline: none; border-color: rgba(61, 109, 255, 0.6); }
@media (max-width: 560px) { .news-form { flex-direction: column; } }

/* featured insight art */
.if-art svg {
  display: block;
  width: 100%;
  height: 100%;
}

.if-chart {
  overflow: visible;
  clip-path: inset(0 100% 0 0);
  -webkit-clip-path: inset(0 100% 0 0);
  will-change: clip-path;
}

.if-art.is-chart-ready .if-chart,
.no-js .if-chart {
  clip-path: inset(0 0 0 0);
  -webkit-clip-path: inset(0 0 0 0);
  transition: clip-path 3.7s cubic-bezier(0.19, 1, 0.22, 1);
}

.if-chart__sweep {
  position: absolute;
  top: 0;
  bottom: 0;
  left: -4px;
  width: 2px;
  background: linear-gradient(180deg, transparent, rgba(74, 114, 240, 0.55), transparent);
  box-shadow: 0 0 18px rgba(36, 84, 216, 0.35);
  opacity: 0;
  pointer-events: none;
}

.if-art.is-chart-ready .if-chart__sweep {
  animation: if-chart-sweep 3.7s cubic-bezier(0.19, 1, 0.22, 1) forwards;
}

@keyframes if-chart-sweep {
  0% {
    left: -4px;
    opacity: 0;
  }
  8% { opacity: 1; }
  92% { opacity: 0.85; }
  100% {
    left: calc(100% - 1px);
    opacity: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .if-chart {
    clip-path: none;
    -webkit-clip-path: none;
    transition: none;
  }
  .if-chart__sweep { display: none; }
}

/* ---------- 25. CTA band & footer ------------------------------------------ */

.cta-band {
  position: relative;
  background: var(--navy-950);
  overflow: clip;
  text-align: center;
}
.cta-band::before {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(900px 420px at 50% 130%, rgba(36, 84, 216, 0.16), transparent 65%),
    radial-gradient(600px 300px at 12% -20%, rgba(255, 255, 255, 0.04), transparent 60%);
}
.cta-band .container { position: relative; }
.cta-band .h1 { color: var(--t-bright); }
.cta-band .lede { margin-inline: auto; margin-top: 1.4rem; color: var(--t-dim); }
.cta-band .hero__actions { justify-content: center; }

.footer {
  background: var(--ink);
  color: var(--t-dim);
  border-top: 1px solid var(--line-dark);
  position: relative;
  overflow: clip;
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.3fr;
  gap: clamp(2rem, 5vw, 4rem);
  padding-block: clamp(3.5rem, 7vw, 5.5rem) clamp(2.5rem, 5vw, 4rem);
}
.footer h4 {
  font-family: var(--sans);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--t-faint);
  margin-bottom: 1.2rem;
}
.footer a.f-link { display: block; padding: 0.32rem 0; color: var(--t-dim); font-size: 0.95rem; transition: color var(--fast) linear, padding-left var(--fast) ease-out; }
.footer a.f-link:hover { color: var(--t-bright); padding-left: 4px; }
.footer .brand__mark {
  height: 26px;
  width: auto;
  transform: translateY(0.06em);
}

.footer .f-brandcol p { font-size: 0.93rem; max-width: 34ch; margin-top: 1.1rem; }
.footer .f-mail { display: inline-flex; margin-top: 1.3rem; color: var(--sky); font-size: 0.98rem; }
.footer [data-contact-form] .f-mail { margin-top: 0; margin-bottom: 1.4rem; }

/* contact mini-form */
.f-form { display: grid; gap: 0.7rem; }
.f-form .row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0.7rem; }
.f-form input, .f-form textarea {
  width: 100%;
  background: rgba(172, 174, 182, 0.05);
  border: 1px solid var(--line-dark);
  border-radius: 10px;
  color: var(--t-bright);
  padding: 0.78rem 0.95rem;
  font-size: 0.92rem;
  transition: border-color var(--fast) linear, background-color var(--fast) linear;
}
.f-form input::placeholder, .f-form textarea::placeholder { color: var(--t-faint); }
.f-form input:focus, .f-form textarea:focus {
  outline: none;
  border-color: rgba(61, 109, 255, 0.6);
  background: rgba(172, 174, 182, 0.08);
}
.f-form textarea { min-height: 88px; resize: vertical; }
.f-form .btn { justify-content: center; }
.f-form__ok {
  display: none;
  align-items: center; gap: 0.7rem;
  border: 1px solid rgba(127, 214, 194, 0.35);
  background: rgba(127, 214, 194, 0.07);
  color: var(--mint);
  border-radius: 10px;
  padding: 1rem 1.1rem;
  font-size: 0.92rem;
}
.f-form.is-sent form { display: none; }
.f-form.is-sent .f-form__ok { display: flex; }

.footer__legal {
  border-top: 1px solid var(--line-dark);
  padding-block: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2.2rem;
  align-items: center;
  font-size: 0.8rem;
  color: var(--t-faint);
}
.footer__legal .spacer { flex: 1; }
.footer__legal a:hover { color: var(--t-dim); }

.footer__ghost {
  position: relative;
  font-family: var(--serif);
  font-size: clamp(4rem, 14vw, 12.5rem);
  line-height: 0.78;
  letter-spacing: 0.02em;
  text-align: center;
  color: transparent;
  -webkit-text-stroke: 1px rgba(172, 174, 182, 0.13);
  user-select: none;
  pointer-events: none;
  transform: translateY(18%);
  white-space: nowrap;
}

/* ---------- 26. Interior hero art / halftone ------------------------------- */

.halftone {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  pointer-events: none;
  opacity: 0.62;
  mix-blend-mode: screen;
  -webkit-mask-image: linear-gradient(100deg, transparent 0%, rgba(0, 0, 0, 0.35) 34%, #000 62%);
  mask-image: linear-gradient(100deg, transparent 0%, rgba(0, 0, 0, 0.35) 34%, #000 62%);
}

@media (max-width: 860px) {
  .halftone { opacity: 0.4; -webkit-mask-image: linear-gradient(180deg, transparent, #000 55%); mask-image: linear-gradient(180deg, transparent, #000 55%); }
}

.halftone--ambient {
  background:
    radial-gradient(ellipse 80% 60% at 72% 40%, color-mix(in srgb, var(--cobalt) 14%, transparent), transparent 70%),
    radial-gradient(ellipse 50% 50% at 20% 80%, color-mix(in srgb, var(--sky) 8%, transparent), transparent 65%),
    repeating-radial-gradient(circle at 50% 50%, color-mix(in srgb, var(--t-faint) 18%, transparent) 0 1px, transparent 1px 5px);
  opacity: 0.5;
}

/* prose + form utilities */
.prose-block {
  margin-top: 2rem;
  display: grid;
  gap: 1.4rem;
  color: var(--ink-600);
  font-size: 1.08rem;
  line-height: 1.75;
}
.prose-block b { color: var(--ink-900); }
.f-form__stack { margin-top: 0.7rem; }
.f-form__submit { margin-top: 0.8rem; width: 100%; }
.insight-featured--flush { padding-top: clamp(3rem, 6vw, 5rem); }
.insight-featured__title { font-size: clamp(1.7rem, 3vw, 2.4rem); }
.insight-featured__lede { margin-top: 1rem; max-width: 52ch; }
.insight-featured__actions {
  display: flex;
  gap: 1.4rem;
  margin-top: 1.6rem;
  align-items: center;
  flex-wrap: wrap;
}
.in-meta__cta { margin-left: auto; color: var(--cobalt); }
.news-form__ok { max-width: 520px; margin: 2rem auto 0; }
.uc-mock__title {
  font-family: var(--serif);
  font-size: 1.7cqw;
  color: var(--ink-900);
  margin-bottom: 1cqw;
}
.uc-mock__copy {
  margin: 1cqw 0;
  line-height: 1.7;
  color: var(--ink-600);
}
.uc-mock__copy b { color: var(--ink-900); }
.uc-mock__copy--sm { font-size: 1.2cqw; line-height: 1.65; }
.uc-mock__tags { position: static; padding-top: 0.4cqw; }
.uc-mock__tags--foot { padding-top: 0; margin-top: auto; }
.uc-kv--foot { margin-top: auto; }
.usecase-section .tag {
  color: var(--cobalt-deep);
  background: rgba(36, 84, 216, 0.08);
  border-color: rgba(36, 84, 216, 0.22);
}
.usecase-section .pill--info {
  color: var(--cobalt);
  background: rgba(36, 84, 216, 0.08);
  border-color: rgba(36, 84, 216, 0.25);
}
.usecase-section .pill--ok {
  color: #2a8f7a;
  background: rgba(42, 143, 122, 0.1);
  border-color: rgba(42, 143, 122, 0.28);
}
.usecase-section .pill--warn {
  color: #9a6b2e;
  background: rgba(212, 165, 116, 0.14);
  border-color: rgba(212, 165, 116, 0.35);
}
.usecase-section .chat__composer {
  background: var(--paper);
  border-color: var(--line-light-strong);
}
.usecase-section .chat__composer .typed { color: var(--ink-900); }
.usecase-section .cite {
  color: var(--cobalt);
  background: rgba(36, 84, 216, 0.1);
  border-color: rgba(36, 84, 216, 0.3);
}
.chat__composer--embed { position: static; margin: 0; }
.cite--sm { font-size: 0.9cqw; }

/* ---------- 27. Responsive ------------------------------------------------- */

@media (max-width: 1080px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); row-gap: 2.6rem; }
  .cap-grid { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .people-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 860px) {
  :root {
    --nav-h: 72px;
    --sect: clamp(3.5rem, 8vw, 5rem);
  }
  section { scroll-margin-top: calc(var(--nav-h) + 20px); }
  .nav.is-scrolled { height: var(--nav-h); }
  .nav .brand {
    font-size: 1.32rem;
    gap: 0.35rem;
    margin-right: 0.65rem;
  }
  .nav .brand__mark {
    height: 36px;
    width: auto;
    transform: translateY(0.08em);
  }

  /* typography */
  .display { font-size: clamp(2.75rem, 10vw, 3.5rem); }
  .hero--page .display { font-size: clamp(2.75rem, 10vw, 3.5rem); }
  .h1, .h2 { font-size: clamp(2.25rem, 7vw, 2.75rem); }
  .industries .section-head .h2 { font-size: clamp(2.5rem, 8vw, 3.1rem); }
  .diagram-section .section-head .h2 { font-size: clamp(2.75rem, 8vw, 3.5rem); }
  .h3,
  .outcome-card h3,
  .step-item h3,
  .ind-card h3,
  .switch-panel .sp-title,
  .insight-card h3,
  .demo-preview h3,
  .cap-col h3 {
    font-size: clamp(1.35rem, 4.5vw, 1.6rem);
  }
  .lede { font-size: clamp(1.125rem, 3.5vw, 1.25rem); }
  .kicker { font-size: 0.8125rem; }
  .benefit b,
  .chapter b,
  .ring-item b,
  .sec-tile b {
    font-size: 1.05rem;
  }
  .benefit p,
  .step-item p,
  .outcome-card p,
  .demo-caption p {
    font-size: 1rem;
  }
  .demo-caption p b { font-size: 1.05rem; }
  .quote-attr__role,
  .quote-attr__firm,
  .quote-attr__label,
  .insight-card .in-meta,
  .insight-card .in-cat,
  .demo-preview .in-meta,
  .demo-preview .in-cat {
    font-size: 0.8125rem;
  }
  .ring-center .rc-sub { font-size: 11px; }
  .ring-center .rc-name { font-size: 26px; }
  .ring-center .rc-li { font-size: 13px; }
  .ring-item p { font-size: 1rem; }
  .ring-item { padding: 1rem 0; }
  .uc-body p { font-size: 1rem; }

  /* layout */
  .hero--tall { min-height: min(75vh, 700px); }
  .hero__actions .btn { width: 100%; justify-content: center; }
  .switch-panel { grid-template-columns: 1fr; }
  .diagram-grid { grid-template-columns: 1fr; }
  .ring-wrap { max-width: 380px; margin-inline: auto; }
  .deliver-grid { grid-template-columns: 1fr; }
  .deliver-sticky { position: static; }
  .deliver-progress {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: 1.25rem;
  }
  .outcome-grid, .ind-grid, .case-grid, .case-panels, .team-grid, .insight-grid, .demo-preview-grid { grid-template-columns: 1fr; }
  .people-grid { grid-template-columns: repeat(2, 1fr); }
  .uc-grid { grid-template-columns: 1fr; }
  .uc-stagewrap { position: static; }
  .uc-appgrid { grid-template-columns: 1fr; }
  .uc-side { display: none; }
  .uc-chrome .dots { display: none; }
  .uc-chrome .addr { max-width: none; margin-inline: 0; justify-content: flex-start; font-size: 0.66rem; }
  .uc-chrome-live { font-size: 0; gap: 0; }
  .uc-chrome-live i { width: 7px; height: 7px; }
  .fin-dash { grid-template-columns: 1fr 1fr; }
  .insight-featured { grid-template-columns: 1fr; }
  .sec-grid { grid-template-columns: 1fr 1fr; }
  .sector-row { grid-template-columns: auto 1fr; }
  .case-card { min-height: 360px; }

  .chapter {
    min-height: 44px;
    padding: 0.85rem 0.75rem;
  }
  .chapter b { font-size: 0.9rem; }
  .power-toggle button {
    min-height: 44px;
    padding-inline: 1.25rem;
  }

  /* motion */
  .js [data-reveal] { transform: translateY(10px); }
  .js [data-reveal="left"],
  .js [data-reveal="right"] { transform: translateY(10px); }
}

@media (max-width: 560px) {
  body { font-size: 1rem; }
  .stats-grid { grid-template-columns: 1fr; }
  .people-grid { grid-template-columns: 1fr; }
  .sec-grid { grid-template-columns: 1fr; }
  .cap-grid { grid-template-columns: 1fr; }
  .fin-dash { grid-template-columns: 1fr; }
  .f-form .row2 { grid-template-columns: 1fr; }
  .hero__actions .btn { width: 100%; justify-content: center; }
  .footer__grid { grid-template-columns: 1fr; }
  .footer__legal {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }
  .footer__legal .spacer { display: none; }
  .uc-stage { aspect-ratio: 16 / 12; }
}

/* renderer safety net — applied by JS only if transitions never advance */
.motion-fallback [data-reveal],
.motion-fallback .mask-line > span,
.motion-fallback .switch-panel {
  transition: none !important;
  animation: none !important;
  opacity: 1 !important;
  transform: none !important;
}

/* ---------- 28. Reduced motion --------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ---------- 29. Extended motion (additive) -------------------------------- */

@media (prefers-reduced-motion: no-preference) {
  /* kicker line draw */
  .js .kicker[data-reveal="draw"] {
    opacity: 0.001;
    transform: none;
    transition: opacity 520ms ease-out;
    transition-delay: calc(var(--i, 0) * 80ms + var(--d, 0ms));
  }
  .js .kicker[data-reveal="draw"].is-visible { opacity: 1; }
  .js .kicker[data-reveal="draw"]::before {
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 640ms var(--ease-out);
    transition-delay: calc(var(--i, 0) * 80ms + var(--d, 0ms));
  }
  .js .kicker[data-reveal="draw"].is-visible::before { transform: scaleX(1); }

  /* ring legend — keep reveal stagger while allowing hover motion */
  .js .ring-item[data-reveal] {
    transition:
      opacity 640ms ease-out,
      transform 700ms var(--ease-out),
      background-color 420ms var(--ease-out);
    transition-delay: calc(var(--i, 0) * 80ms);
  }
  .js .ring-item[data-reveal].is-visible {
    opacity: 1;
    transform: translateX(0);
    transition:
      opacity 640ms ease-out,
      transform 420ms var(--ease-out),
      background-color 420ms var(--ease-out);
    transition-delay: 0ms;
  }
  .js .ring-item[data-reveal].is-visible:hover,
  .js .ring-item[data-reveal].is-visible.is-hot {
    transform: translateX(0.5rem);
  }

  /* icon scale settle when parent card reveals */
  .js [data-reveal] .reveal-icon {
    opacity: 0.001;
    transform: scale(0.88);
    transition: opacity 460ms ease-out, transform 500ms var(--ease-out);
    transition-delay: calc(var(--i, 0) * 80ms + 120ms);
  }
  .js [data-reveal].is-visible .reveal-icon {
    opacity: 1;
    transform: none;
  }

  /* capability card list stagger */
  .js .cap-col[data-reveal] .cap-list li {
    opacity: 0.001;
    transform: translateX(-8px);
    transition:
      opacity 460ms ease-out calc(var(--i, 0) * 80ms + 200ms + var(--li, 0) * 45ms),
      transform 480ms var(--ease-out) calc(var(--i, 0) * 80ms + 200ms + var(--li, 0) * 45ms),
      color var(--fast) ease-out,
      background var(--fast) ease-out;
  }
  .js .cap-col[data-reveal].is-visible .cap-list li {
    opacity: 1;
    transform: none;
  }
  .cap-list li:nth-child(1) { --li: 0; }
  .cap-list li:nth-child(2) { --li: 1; }
  .cap-list li:nth-child(3) { --li: 2; }
  .cap-list li:nth-child(4) { --li: 3; }
  .cap-list li:nth-child(5) { --li: 4; }
  .cap-list li:nth-child(6) { --li: 5; }
  .cap-list li:nth-child(7) { --li: 6; }
  .cap-list li:nth-child(8) { --li: 7; }

  /* quote split sequence */
  .js .quote-block[data-reveal] .quote-seq-qmark {
    display: inline-block;
    opacity: 0.001;
    transform: scale(0.6);
    transition: opacity 300ms ease-out, transform 300ms var(--ease-out);
  }
  .js .quote-block[data-reveal].is-visible .quote-seq-qmark {
    opacity: 1;
    transform: none;
  }
  .js .quote-block[data-reveal] .quote-seq-body {
    opacity: 0.001;
    transition: opacity 520ms ease-out;
    transition-delay: 80ms;
  }
  .js .quote-block[data-reveal].is-visible .quote-seq-body { opacity: 1; }
  .js .quote-block[data-reveal] .quote-seq-attr {
    opacity: 0.001;
    transform: translateY(10px);
    transition: opacity 460ms ease-out, transform 460ms var(--ease-out);
    transition-delay: 200ms;
  }
  .js .quote-block[data-reveal].is-visible .quote-seq-attr {
    opacity: 1;
    transform: none;
  }

  /* timeline dim inactive steps */
  .js [data-steps] .step-item { opacity: 0.42; }
  .js [data-steps] .step-item.is-active { opacity: 1; }
  .js [data-steps] .step-item[data-reveal].is-visible:not(.is-active) { opacity: 0.42; }
  .js [data-steps] .step-item[data-reveal].is-visible.is-active { opacity: 1; }

  /* newsletter / compact forms */
  .news-band .f-form { min-height: 0; }

  /* switch panel exit */
  .switch-panel.is-leaving { animation: panel-out 220ms var(--ease-io) both; }
  @keyframes panel-out {
    from { opacity: 1; transform: none; }
    to { opacity: 0; transform: translateY(-8px); }
  }

  /* form success crossfade */
  .f-form { position: relative; min-height: 280px; }
  .f-form form {
    transition: opacity 280ms ease-out, transform 280ms var(--ease-out);
  }
  .f-form.is-sent form {
    opacity: 0;
    transform: translateY(-6px);
    pointer-events: none;
    position: absolute;
    inset: 0;
    width: 100%;
  }
  .f-form__ok {
    opacity: 0;
    transform: scale(0.96);
    transition: opacity 360ms ease-out, transform 360ms var(--ease-out);
  }
  .f-form.is-sent .f-form__ok {
    opacity: 1;
    transform: none;
    transition-delay: 140ms;
  }

  /* scroll progress glide */
  .scroll-progress {
    transition: opacity var(--mid) linear, transform 120ms linear;
  }

  /* footer ghost + halftone parallax hooks */
  .footer__ghost { will-change: transform; }
  .halftone { will-change: transform; }

  /* CTA ambient drift */
  .cta-band::before {
    background-size: 120% 120%;
    animation: cta-glow 18s var(--ease-io) infinite alternate;
  }
  @keyframes cta-glow {
    from { background-position: 50% 130%; }
    to { background-position: 48% 128%; }
  }

  /* dropdown stagger on open */
  @keyframes dd-item-in {
    from { opacity: 0.001; transform: translateY(6px); }
    to { opacity: 1; transform: none; }
  }
  .nav__item.is-open .dropdown a {
    animation: dd-item-in 360ms var(--ease-out) both;
    animation-delay: calc(var(--i, 0) * 45ms + 60ms);
  }

  /* industry card cursor sheen (mirrors spot-card, does not edit spot-card) */
  .ind-card--sheen { position: relative; overflow: hidden; }
  .ind-card--sheen::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(320px circle at var(--mx, 50%) var(--my, 50%), rgba(32, 80, 232, 0.1), transparent 62%);
    opacity: 0;
    transition: opacity var(--mid) ease-out;
    pointer-events: none;
  }
  .ind-card--sheen::after {
    content: "";
    position: absolute;
    left: 1.8rem; right: 1.8rem; top: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(32, 80, 232, 0.55), transparent);
    transform: scaleX(0.4);
    opacity: 0;
    transition: opacity var(--mid) ease-out, transform var(--mid) var(--ease-out);
    pointer-events: none;
  }
  .ind-card--sheen:hover::before { opacity: 1; }
  .ind-card--sheen:hover::after { opacity: 1; transform: scaleX(1); }
}

/* reduced-motion fallbacks for extended motion */
@media (prefers-reduced-motion: reduce) {
  .footer__ghost { transform: translateY(18%) !important; }
  .f-form { min-height: 0; }
}

.motion-fallback .kicker[data-reveal="draw"],
.motion-fallback .kicker[data-reveal="draw"]::before,
.motion-fallback .quote-seq-qmark,
.motion-fallback .quote-seq-body,
.motion-fallback .quote-seq-attr,
.motion-fallback .reveal-icon {
  transition: none !important;
  animation: none !important;
  opacity: 1 !important;
  transform: none !important;
}

/* ============================================================
   ARTICLE READER — long-form analysis pages (/articles/*.html)
   ============================================================ */

.insight-card { color: inherit; text-decoration: none; cursor: pointer; }

.hero--article { padding-bottom: clamp(2.2rem, 5vw, 3.2rem); }
.hero--article .hero__content { max-width: 100%; }

.article-back {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 999px;
  border: 1px solid var(--line-dark-strong);
  background: color-mix(in srgb, var(--navy-900) 55%, transparent);
  color: var(--t-dim);
  text-decoration: none;
  transition: color var(--fast) ease-out, border-color var(--fast) ease-out,
    background-color var(--fast) ease-out, transform var(--fast) ease-out;
  z-index: 3;
}
.hero--article { position: relative; }
.hero--article .article-back {
  position: absolute;
  top: calc(var(--nav-h) + clamp(0.5rem, 1.5vh, 1rem));
  left: var(--gutter);
  margin: 0;
}
@media (min-width: 1040px) {
  .hero--article .article-back {
    left: max(
      var(--gutter),
      calc((100% - min(var(--narrow), 100% - var(--gutter) * 2)) / 2 - clamp(3.5rem, 5.5vw, 5rem))
    );
  }
}
.article-back__icon { display: block; transition: transform var(--fast) ease-out; }
.article-back:hover {
  color: var(--t-bright);
  border-color: color-mix(in srgb, var(--sky) 40%, transparent);
  background: color-mix(in srgb, var(--navy-850) 80%, transparent);
}
.article-back:hover .article-back__icon { transform: translateX(-2px); }
.article-back:active { transform: scale(0.96); }

.article-title {
  font-family: var(--serif); font-weight: 500;
  font-size: clamp(2.05rem, 4.4vw, 3.05rem); line-height: 1.15;
  margin-top: 1rem; color: var(--t-bright); max-width: 22ch;
}
.article-dek { max-width: 58ch; }

.article-meta {
  display: flex; align-items: center; flex-wrap: wrap; gap: 0 0.85rem;
  margin-top: 1.8rem; font-family: var(--sans); font-size: 0.7rem;
  font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--t-dim);
}
.article-meta span { position: relative; }
.article-meta span + span::before {
  content: ""; position: absolute; left: -0.5rem; top: 50%;
  width: 3px; height: 3px; border-radius: 50%; background: var(--line-dark-strong);
  transform: translateY(-50%);
}

.article-body { padding-top: clamp(2.8rem, 6vw, 4rem); padding-bottom: clamp(2.5rem, 5vw, 3.5rem); }
.article-layout { display: grid; grid-template-columns: minmax(0, 1fr); max-width: 720px; margin-inline: auto; }

.article-prose { font-family: var(--sans); color: var(--ink-900); }

.article-prose .lede-p {
  font-family: var(--serif); font-style: italic; font-weight: 400;
  font-size: 1.24rem; line-height: 1.6; color: var(--ink-600);
}

.article-prose p { font-size: 1.06rem; line-height: 1.8; margin-top: 1.4rem; }
.article-prose h2 {
  font-family: var(--serif); font-weight: 500; font-size: clamp(1.5rem, 2.6vw, 1.9rem);
  line-height: 1.28; margin-top: 3.1rem; color: var(--ink-900);
}
.article-prose h3 {
  font-family: var(--serif); font-weight: 500; font-size: 1.26rem;
  line-height: 1.3; margin-top: 2.3rem; color: var(--ink-900);
}
.article-prose strong { font-weight: 650; color: var(--ink-900); }
.article-prose em { font-style: italic; }

.article-prose ul, .article-prose ol { margin-top: 1.15rem; padding-left: 1.3rem; display: grid; gap: 0.65rem; }
.article-prose li { font-size: 1.02rem; line-height: 1.72; }
.article-prose li::marker { color: var(--cobalt); font-weight: 600; }
.article-prose li > p { margin-top: 0; }

.article-table-wrap { overflow-x: auto; margin-top: 1.7rem; border: 1px solid var(--line-light-strong); border-radius: 10px; }
.article-prose table { width: 100%; border-collapse: collapse; font-size: 0.9rem; min-width: 480px; }
.article-prose th, .article-prose td { text-align: left; padding: 0.7rem 0.9rem; border-bottom: 1px solid var(--line-light-strong); vertical-align: top; }
.article-prose thead th { font-family: var(--sans); font-size: 0.66rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-400); font-weight: 700; background: var(--paper-2); }
.article-prose tbody tr:last-child td { border-bottom: none; }

.article-divider { display: flex; align-items: center; justify-content: center; gap: 0.5rem; margin: 2.9rem 0; }
.article-divider span { width: 4px; height: 4px; border-radius: 50%; background: var(--line-light-strong); }

.article-closer {
  font-family: var(--serif); font-style: italic; font-weight: 400;
  font-size: 1.22rem; line-height: 1.55; color: var(--ink-900);
  border-left: 2px solid var(--cobalt); padding-left: 1.25rem; margin-top: 2.6rem;
}

.fn { font-size: 0.62em; vertical-align: super; line-height: 0; }
.fn a { color: var(--cobalt); text-decoration: none; padding: 0 1px; }
.fn a:hover { text-decoration: underline; }

.article-sources { margin-top: 3.6rem; padding-top: 2.3rem; border-top: 1px solid var(--line-light-strong); }
.article-sources h4 {
  font-family: var(--sans); font-size: 0.7rem; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-400);
}
.article-sources-note {
  font-family: var(--serif); font-style: italic; font-size: 0.98rem;
  line-height: 1.7; color: var(--ink-600); margin-top: 0.9rem;
}
.article-refs {
  margin-top: 1.5rem; padding-left: 0; list-style: none;
  display: grid; gap: 0.6rem; counter-reset: none;
}
.article-refs li {
  font-size: 0.83rem; line-height: 1.55; color: var(--ink-600);
  padding-left: 1.9rem; position: relative;
  scroll-margin-top: calc(var(--nav-h) + 1rem);
}
.fn a { scroll-margin-top: calc(var(--nav-h) + 1rem); }
.article-refs li .ref-n {
  position: absolute; left: 0; top: 0; color: var(--ink-400);
  font-family: var(--mono); font-size: 0.72rem;
}
.article-refs a.ref-link { color: var(--ink-900); text-decoration: underline; text-decoration-color: var(--line-light-strong); text-underline-offset: 2px; }
.article-refs a.ref-link:hover { text-decoration-color: var(--cobalt); color: var(--cobalt); }
.article-refs a.ref-back { margin-left: 0.45rem; color: var(--cobalt); text-decoration: none; font-size: 0.9em; }
.article-refs a.ref-back:hover { text-decoration: underline; }

@media (max-width: 860px) {
  .article-title { max-width: 100%; }
}
@media (max-width: 560px) {
  .article-prose p { font-size: 1rem; }
  .article-prose .lede-p { font-size: 1.12rem; }
  .article-body { padding-top: 2.2rem; }
}

/* ---------- 29. Contact page ----------------------------------------------- */

body[data-page="contact"] {
  background: var(--ink);
  color: var(--t-dim);
}

.contact-screen {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow-x: clip;
  background: var(--ink);
  color: var(--t-dim);
  padding: calc(var(--nav-h) + 1.5rem) 0 0;
}

.contact-screen__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(1100px 520px at 78% -10%, rgba(36, 84, 216, 0.09), transparent 65%),
    radial-gradient(900px 600px at 12% 108%, rgba(255, 255, 255, 0.03), transparent 60%);
}

.contact-screen__inner {
  position: relative;
  z-index: 2;
  width: min(42rem, calc(100% - var(--gutter) * 2));
  margin: auto;
  padding-block: 1.5rem 2rem;
}

.contact-screen__eyebrow {
  font-family: var(--sans);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--t-faint);
  margin-bottom: 1.2rem;
}

.contact-screen .f-mail {
  display: inline-flex;
  margin-bottom: 1.4rem;
  color: var(--sky);
  font-size: 0.98rem;
}

.contact-screen .f-form textarea {
  min-height: 160px;
}

@media (max-width: 560px) {
  .contact-screen .f-form .row2 { grid-template-columns: 1fr; }
  .contact-screen .f-form textarea { min-height: 120px; }
}

/* ==========================================================================
   30. SOLUTIONS MEGA-MENU
   The Solutions dropdown grew from 3 flat links to 4 category columns, each
   listing its service pages. Layered on top of the existing .dropdown rules
   rather than replacing them, so the panel chrome stays identical.
   ========================================================================== */

.dropdown--mega {
  /* one track per column, so the panel sizes itself to however many
     categories exist rather than hardcoding a count */
  padding: 0.75rem;
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 262px;
  width: max-content;
  min-width: 0;
  max-width: calc(100vw - 2.5rem);
  gap: 0.25rem;
}
.mega__col {
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: 0.25rem;
  border-radius: 12px;
}
.mega__col + .mega__col {
  border-left: 1px solid var(--line-dark);
}

/* the column header doubles as the link to the category hub */
.dropdown--mega .mega__hub {
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 0.7rem;
  align-items: start;
  padding: 0.6rem 0.65rem 0.7rem;
  border-radius: 10px;
}
.dropdown--mega .mega__hub .dd-ico {
  width: 30px;
  height: 30px;
  border-radius: 9px;
}
.dropdown--mega .mega__hub b {
  font-size: 0.94rem;
}
.dropdown--mega .mega__hub > span:not(.dd-ico) > span {
  font-size: 0.78rem;
  line-height: 1.4;
  color: var(--t-faint);
}

/* neutralize the single-column divider/spacing rules from the base dropdown */
.dropdown--mega a + a {
  margin-top: 0;
  border-top: 0;
  padding-top: 0.5rem;
}

.mega__list {
  list-style: none;
  margin: 0.35rem 0 0;
  padding: 0 0.2rem;
  display: grid;
  gap: 0.1rem;
  border-top: 1px solid var(--line-dark);
  padding-top: 0.45rem;
}
.dropdown--mega .mega__list a {
  display: block;
  grid-template-columns: none;
  padding: 0.42rem 0.5rem;
  border-radius: 8px;
  font-family: var(--sans);
  font-size: 0.85rem;
  line-height: 1.35;
  color: var(--t-dim);
  transition: background-color var(--fast) ease-out, color var(--fast) ease-out;
}
.dropdown--mega .mega__list a:hover,
.dropdown--mega .mega__list a.is-active {
  color: var(--t-bright);
  background: color-mix(in srgb, var(--cobalt) 10%, transparent);
}

@media (max-width: 1240px) {
  .dropdown--mega {
    grid-auto-flow: row;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    width: min(720px, calc(100vw - 2.5rem));
  }
  .mega__col:nth-child(odd) + .mega__col { border-left: 1px solid var(--line-dark); }
  .mega__col:nth-child(3) { border-left: 0; }
  .mega__col:nth-child(n + 3) {
    margin-top: 0.35rem;
    padding-top: 0.6rem;
    border-top: 1px solid var(--line-dark);
  }
}

@media (prefers-reduced-motion: no-preference) {
  /* the base rule staggers each <a>; in the mega-menu stagger whole columns */
  .nav__item.is-open .dropdown--mega a {
    animation: none;
  }
  .nav__item.is-open .dropdown--mega .mega__col {
    animation: dd-item-in 360ms var(--ease-out) both;
    animation-delay: calc(var(--i, 0) * 45ms + 60ms);
  }
}

/* -------------------------------------------------------- mobile: grouped */
.mm-group + .mm-group {
  margin-top: 0.45rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--line-dark);
}
.mm-list {
  list-style: none;
  margin: 0.1rem 0 0.25rem;
  padding: 0 0 0 0.15rem;
  display: grid;
  gap: 0.05rem;
}
.mm-list a {
  display: block;
  padding: 0.5rem 0.45rem;
  border-radius: 8px;
  font-family: var(--sans);
  font-size: 0.9rem;
  color: var(--t-dim);
  transition: background-color var(--fast) ease-out, color var(--fast) ease-out;
}
.mm-list a:hover,
.mm-list a.is-active {
  color: var(--t-bright);
  background: rgba(172, 174, 182, 0.08);
}

@media (prefers-reduced-motion: no-preference) {
  /* .mm-group wrappers broke the old :nth-child stagger on sub-links; drive
     the reveal off the group instead so it scales with any number of items */
  .mobile-menu__sub .mm-group .mobile-menu__sub-link,
  .mobile-menu__sub .mm-group .mm-list {
    opacity: 0;
    transform: translateX(-18px);
    transition:
      opacity 400ms ease-out,
      transform 460ms var(--ease-out),
      background-color var(--fast) ease-out;
  }
  .mobile-menu__item--dd.is-sub-reveal .mm-group .mobile-menu__sub-link,
  .mobile-menu__item--dd.is-sub-reveal .mm-group .mm-list {
    opacity: 1;
    transform: translateX(0);
    transition-delay: calc(70ms + var(--si, 0) * 70ms);
  }
  .mm-group:nth-child(1) { --si: 0; }
  .mm-group:nth-child(2) { --si: 1; }
  .mm-group:nth-child(3) { --si: 2; }
  .mm-group:nth-child(4) { --si: 3; }
}

/* ==========================================================================
   31. SERVICE PAGES (solution cluster children)
   Shared blocks for the pages beneath each category hub: a dark variant of
   the capability grid, a single-demo card, and the related-services block
   that carries internal linking between siblings and back to the hub.
   ========================================================================== */

/* -------------------------------------- capability grid on a dark section */
.dark .cap-col {
  background: linear-gradient(180deg, color-mix(in srgb, var(--navy-850) 92%, white 3%) 0%, var(--navy-900) 100%);
  border-color: var(--line-dark);
}
.dark .cap-col h3 {
  color: var(--t-bright);
  border-bottom-color: var(--line-dark);
}
.dark .cap-col li { color: var(--t-dim); }
.dark .cap-ico {
  color: var(--sky);
  background: color-mix(in srgb, var(--cobalt) 12%, transparent);
  border-color: color-mix(in srgb, var(--cobalt) 32%, transparent);
}
@media (hover: hover) {
  .dark .cap-col.spot-card:hover {
    background: linear-gradient(180deg, color-mix(in srgb, var(--navy-850) 92%, white 3%) 0%, var(--navy-900) 100%);
    border-color: rgba(172, 174, 182, 0.4);
  }
  .dark .cap-col.spot-card:hover::before,
  .dark .cap-col.spot-card:hover::after {
    opacity: 0;
  }
  .dark .cap-col.spot-card:hover .cap-ico {
    background: color-mix(in srgb, var(--cobalt) 12%, transparent);
    border-color: color-mix(in srgb, var(--cobalt) 32%, transparent);
    transform: none;
  }
  .dark .cap-col li:hover {
    color: var(--t-bright);
  }
}

/* three-up reads better than four when the copy is long-form */
.cap-grid--3 { grid-template-columns: repeat(3, 1fr); }

/* ------------------------------------------------- single embedded demo */
.demo-preview--solo {
  max-width: 900px;
  margin-inline: auto;
}
.demo-disclaimer {
  max-width: 900px;
  margin: 1.1rem auto 0;
  font-family: var(--sans);
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--ink-400);
}
.dark .demo-disclaimer { color: var(--t-faint); }

/* ------------------------------------------------------ related services */
.rel-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  align-items: stretch;
}
.rel-link {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  padding: 1.65rem 1.6rem 1.5rem;
  color: inherit;
  text-decoration: none;
  background: linear-gradient(180deg, var(--white) 0%, color-mix(in srgb, var(--paper) 30%, var(--white)) 100%);
  transition:
    border-color var(--mid) ease-out,
    transform var(--mid) var(--ease-out),
    box-shadow var(--mid) ease-out;
}
.rel-link:hover { transform: translateY(-3px); }
.rel-link h3 {
  font-family: var(--serif);
  font-size: 1.14rem;
  font-weight: 600;
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: var(--ink-900);
}
.rel-link p {
  flex: 1;
  font-family: var(--sans);
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--ink-600);
}
.rel-link .link-arrow { margin-top: 0.35rem; }

/* five-service hubs (Finance, General Services) use the same 3-up track */
.rel-links--5 { grid-template-columns: repeat(3, 1fr); }

/* These grids are declared after the site's own breakpoints, so they have to
   restate them. Match the existing 1080 / 560 stops rather than inventing new
   ones, so columns step down in sync with the rest of the page. */
@media (max-width: 1080px) {
  .rel-links,
  .rel-links--5,
  .cap-grid--3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .rel-links,
  .rel-links--5,
  .cap-grid--3 { grid-template-columns: 1fr; }
}

/* ==========================================================================
   32. DEMOS PAGE
   Intro disclaimer above the grid, and a links block beneath it pointing at
   the service pages each demo illustrates.
   ========================================================================== */

.demos-intro {
  max-width: 900px;
  margin-inline: auto;
  margin-bottom: 2.25rem;
  text-align: center;
}
.demos-intro .lede { margin: 0; }

.demos-services {
  max-width: 900px;
  margin: 3.25rem auto 0;
  padding-top: 2.25rem;
  border-top: 1px solid var(--line-light);
}
.demos-services h2 {
  margin-bottom: 1rem;
  color: var(--ink-900);
}
.demos-services__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1.75rem;
}
.demos-services__list a {
  font-family: var(--sans);
  font-size: 0.94rem;
  color: var(--ink-600);
  transition: color var(--fast) ease-out;
}
.demos-services__list a:hover { color: var(--cobalt); }

/* ==========================================================================
   33. CONTACT PAGE
   The page grew a real H1, a "How it works" ladder, and inline form states,
   so it is no longer a bare full-screen form.
   ========================================================================== */

.contact-screen__title {
  font-family: var(--serif);
  font-size: clamp(2.1rem, 4.4vw, 3.1rem);
  font-weight: 400;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--t-bright);
  margin-bottom: 0.85rem;
}
.contact-screen__title em {
  font-style: italic;
  color: var(--sky);
}
.contact-screen__lede {
  font-family: var(--sans);
  font-size: 1.02rem;
  line-height: 1.62;
  color: var(--t-dim);
  margin-bottom: 1.3rem;
}

/* ------------------------------------------------------- how it works */
.hiw {
  margin: 2.4rem 0 2.6rem;
  padding: 1.9rem 1.75rem 1.6rem;
  border: 1px solid var(--line-dark);
  border-radius: 14px;
  background: color-mix(in srgb, var(--navy-900) 55%, transparent);
}
.hiw__title {
  font-family: var(--sans);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--t-faint);
  margin-bottom: 1.35rem;
}
.hiw__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.15rem;
}
.hiw__step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.95rem;
  align-items: start;
}
.hiw__num {
  width: 26px;
  height: 26px;
  flex-shrink: 0;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid color-mix(in srgb, var(--cobalt) 42%, transparent);
  background: color-mix(in srgb, var(--cobalt) 14%, transparent);
  font-family: var(--mono);
  font-size: 0.74rem;
  color: var(--sky);
}
.hiw__step h3 {
  font-family: var(--sans);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--t-bright);
  margin-bottom: 0.2rem;
}
.hiw__step p {
  font-family: var(--sans);
  font-size: 0.89rem;
  line-height: 1.58;
  color: var(--t-dim);
}
.hiw__note {
  margin-top: 1.4rem;
  padding-top: 1.1rem;
  border-top: 1px solid var(--line-dark);
  font-family: var(--sans);
  font-size: 0.86rem;
  color: var(--sky);
}

/* --------------------------------------------------------- form states */
.f-form__hp { position: absolute; left: -9999px; }
.f-form__err {
  margin-top: 0.85rem;
  font-family: var(--sans);
  font-size: 0.86rem;
  line-height: 1.55;
  color: #e8a0a0;
}
.f-form.is-sent .f-form__err { display: none; }

/* ------------------------------------------------- footer-less link row */
.contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.4rem;
  margin-top: 2.4rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line-dark);
}
.contact-links a {
  font-family: var(--sans);
  font-size: 0.85rem;
  color: var(--t-faint);
  transition: color var(--fast) ease-out;
}
.contact-links a:hover { color: var(--t-bright); }

/* ==========================================================================
   34. HOMEPAGE SERVICES BAND
   Four practice columns beneath the demo. Each column header links to the
   category hub and the list beneath it links to every service page, so the
   homepage reaches all 18 solution pages in one block.
   ========================================================================== */

.hero__lede {
  max-width: 46rem;
  margin-bottom: 2rem;
}

.svc-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  align-items: stretch;
}
.svc-col {
  display: flex;
  flex-direction: column;
  padding: 1.85rem 1.7rem 1.6rem;
  background: linear-gradient(180deg, var(--white) 0%, color-mix(in srgb, var(--paper) 28%, var(--white)) 100%);
  transition:
    border-color var(--mid) ease-out,
    transform var(--mid) var(--ease-out),
    box-shadow var(--mid) ease-out;
}
.svc-col:hover { transform: translateY(-3px); }

.svc-col__hub {
  display: block;
  color: inherit;
  text-decoration: none;
}
.svc-col__kicker {
  display: block;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--ink-400);
  margin-bottom: 0.75rem;
}
.svc-col__hub h3 {
  font-family: var(--serif);
  font-size: 1.32rem;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--ink-900);
  margin-bottom: 0.55rem;
}
.svc-col__hub p {
  font-family: var(--sans);
  font-size: 0.89rem;
  line-height: 1.58;
  color: var(--ink-600);
  margin-bottom: 0.9rem;
}

.svc-col__list {
  list-style: none;
  margin: auto 0 0;
  padding: 1rem 0 0;
  border-top: 1px solid var(--line-light);
  display: grid;
  gap: 0.1rem;
}
.svc-col__list a {
  display: block;
  padding: 0.4rem 0.5rem 0.4rem 0;
  font-family: var(--sans);
  font-size: 0.88rem;
  line-height: 1.4;
  color: var(--ink-600);
  transition: color var(--fast) ease-out, padding-left var(--mid) var(--ease-out);
}
.svc-col__list a:hover {
  color: var(--cobalt);
  padding-left: 0.35rem;
}

.svc-foot {
  max-width: 780px;
  margin: 2.5rem auto 0;
  text-align: center;
  font-family: var(--sans);
  font-size: 0.95rem;
  line-height: 1.65;
  color: var(--ink-600);
}

@media (max-width: 1080px) {
  .svc-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .svc-grid { grid-template-columns: 1fr; }
}

/* cross-cluster pointer beneath a related-services grid */
.rel-foot {
  max-width: 780px;
  margin: 2rem auto 0;
  text-align: center;
  font-family: var(--sans);
  font-size: 0.93rem;
  line-height: 1.65;
  color: var(--ink-600);
}