/* LEXION — dark institutional legal-tech */
:root {
  --bg: #081527;
  --bg-elev: #0B1B31;
  --bg-card: #0F2340;
  --bg-hi: #13294A80;
  --brand: #0d203b;
  --ink: #F2F6FC;
  --ink-soft: #AFBED2;
  --muted: #67788F;
  --rule: rgba(255,255,255,0.09);
  --rule-soft: rgba(255,255,255,0.055);
  --accent: #A9C7EF;
  --accent-bright: #D2E4FA;
  --accent-deep: #7FA6D9;
  --accent-soft: rgba(169,199,239,0.12);
  --signal: #6FA8DC;

  --serif: "Instrument Serif", "Newsreader", Georgia, serif;
  --sans: "Geist", "Inter", -apple-system, "Helvetica Neue", sans-serif;
  --mono: "Geist Mono", "IBM Plex Mono", "SF Mono", Menlo, monospace;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body {
  margin: 0; padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px; line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; }
a { color: inherit; text-decoration: none; }
::selection { background: var(--accent); color: var(--bg); }

.shell {
  width: 100%;
  max-width: 1760px;
  margin: 0 auto;
  padding: 0 clamp(28px, 3.25vw, 64px);
}
@media (max-width: 720px) { .shell { padding: 0 22px; } }

.page-grid {
  width: min(1760px, calc(100vw - 48px));
  margin-inline: auto;
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: clamp(18px, 2vw, 32px);
}
@media (max-width: 900px) {
  .page-grid {
    width: min(100% - 44px, 860px);
    grid-template-columns: repeat(8, minmax(0, 1fr));
  }
}
@media (max-width: 640px) {
  .page-grid {
    width: min(100% - 36px, 520px);
    grid-template-columns: 1fr;
  }
}

.eyebrow {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--accent); font-weight: 500;
  display: inline-flex; align-items: center;
}
.eyebrow .dot {
  width: 5px; height: 5px; background: var(--accent); border-radius: 50%;
  margin-right: 12px; box-shadow: 0 0 0 4px var(--accent-soft);
}

/* ---------------- nav ---------------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(8,21,39,0.68);
  backdrop-filter: saturate(160%) blur(20px);
  -webkit-backdrop-filter: saturate(160%) blur(20px);
  border-bottom: 1px solid rgba(255,255,255,0.07);
  transition: border-color .3s ease, background .3s ease, box-shadow .3s ease;
}
.nav.scrolled { border-bottom-color: rgba(169,199,239,0.16); background: rgba(8,21,39,0.9); box-shadow: 0 18px 44px rgba(0,0,0,0.18); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 76px; }
.wordmark {
  font-family: var(--serif); font-weight: 400; font-size: 25px;
  letter-spacing: 0.22em; display: flex; align-items: baseline; gap: 7px; padding-left: 0.22em;
}
.wordmark .registered { font-family: var(--mono); font-size: 9px; letter-spacing: 0; color: var(--accent); transform: translateY(-9px); }
.nav-links { display: flex; gap: clamp(18px, 2.2vw, 38px); font-size: 13px; color: var(--ink-soft); white-space: nowrap; }
/* Large/ultra-wide monitors: the nav shell caps at 1760px and everything else
   stays fixed-px, so on very wide viewports it reads as small and boxed-in the
   middle. Scale the nav container and its contents up above 1600px only —
   narrower breakpoints (1280/1080/480) are untouched. */
@media (min-width: 1600px) {
  .nav-inner { max-width: min(2400px, 100%); height: clamp(76px, 3.6vw, 96px); }
  .wordmark { font-size: clamp(25px, 1.15vw, 34px); }
  .nav-links { font-size: clamp(13px, 0.62vw, 16px); }
  .nav .logo-mark { width: clamp(34px, 1.6vw, 44px); height: clamp(34px, 1.6vw, 44px); }
  .nav .btn { padding: clamp(13px, 0.68vw, 16px) clamp(24px, 1.25vw, 30px); font-size: clamp(14px, 0.68vw, 16px); }
}
@media (max-width: 1280px) { .nav-links { gap: 18px; font-size: 12.5px; } }
.nav-links a { position: relative; padding: 4px 0; transition: color .2s ease; }
.nav-links a:hover { color: var(--ink); }
.nav-links a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -3px; height: 1px;
  background: var(--accent); transform: scaleX(0); transform-origin: left; transition: transform .3s ease;
}
.nav-links a:hover::after { transform: scaleX(1); }
@media (max-width: 1080px) { .nav-links { display: none; } }
@media (max-width: 480px) {
  .logo-mark { width: 28px; height: 28px; }
  .wordmark { font-size: 17px; gap: 5px; }
  .wordmark .registered { transform: translateY(-6px); }
  .nav-inner { gap: 10px; }
  .nav .btn { padding: 9px 14px; font-size: 12px; gap: 5px; }
  .nav .btn .arrow { display: none; }
}

.btn {
  font-family: var(--sans); font-size: 14px; font-weight: 500;
  padding: 13px 24px; border-radius: 999px; border: 1px solid var(--accent);
  background: var(--accent); color: var(--brand);
  display: inline-flex; align-items: center; gap: 10px; transition: all .25s ease; letter-spacing: 0.005em;
}
.btn:hover { background: var(--accent-bright); border-color: var(--accent-bright); box-shadow: 0 8px 30px -8px var(--accent-soft); transform: translateY(-1px); }
.btn .arrow { transition: transform .25s ease; }
.btn:hover .arrow { transform: translateX(3px); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--rule); }
.btn-ghost:hover { background: rgba(255,255,255,0.04); border-color: var(--ink-soft); box-shadow: none; transform: translateY(-1px); }
.btn-link {
  display: inline-flex; align-items: center; gap: 10px; font-size: 14px; color: var(--ink);
  padding-bottom: 4px; border-bottom: 1px solid var(--rule); transition: all .25s ease;
}
.btn-link:hover { color: var(--accent); border-color: var(--accent); }
.btn-link .arrow { transition: transform .25s ease; }
.btn-link:hover .arrow { transform: translateX(3px); }

/* ---------------- ambient bg ---------------- */
.bg-field { position: fixed; inset: 0; z-index: -1; overflow: hidden; pointer-events: none; }
.bg-field::before {
  content: ""; position: absolute; top: -25%; right: -10%; width: 65vw; height: 90vh;
  background: radial-gradient(ellipse at center, rgba(169,199,239,0.10), transparent 62%);
  filter: blur(10px);
}
.bg-field::after {
  content: ""; position: absolute; bottom: -30%; left: -15%; width: 60vw; height: 80vh;
  background: radial-gradient(ellipse at center, rgba(111,168,220,0.08), transparent 60%);
}
.bg-grid {
  position: fixed; inset: 0; z-index: -1; pointer-events: none; opacity: 0.5;
  background-image: linear-gradient(var(--rule-soft) 1px, transparent 1px), linear-gradient(90deg, var(--rule-soft) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(ellipse 90% 60% at 50% 0%, #000 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 90% 60% at 50% 0%, #000 20%, transparent 75%);
}

/* ---------------- hero ---------------- */
.hero { min-height: 850px; padding: 110px 0 92px; position: relative; overflow: hidden; display: flex; align-items: center; }
.hero::after {
  content: ""; position: absolute; right: 4vw; top: 12%; width: min(42vw, 720px); height: 66%;
  background: radial-gradient(ellipse at center, rgba(169,199,239,0.12), transparent 66%);
  pointer-events: none; opacity: .8;
}
.hero-inner { position: relative; z-index: 1; align-items: center; row-gap: 58px; }
.hero-copy { grid-column: 1 / span 7; }
.hero-evidence {
  grid-column: 8 / -1; min-height: 470px; position: relative; display: flex; align-items: center;
  opacity: 0; animation: fadeUp .9s ease .72s forwards;
}
.hero-time-compression { width: 100%; }
.hero-headline {
  font-family: var(--serif); font-weight: 400; font-size: clamp(42px, 5.6vw, 84px);
  line-height: 1.02; letter-spacing: -0.03em; margin: 30px 0 0; color: var(--ink);
}
.hero-headline .line { display: block; overflow: hidden; }
.hero-headline .line > span { display: inline-block; transform: translateY(110%); animation: riseIn 1s cubic-bezier(.16,1,.3,1) forwards; }
.hero-headline .line:nth-child(2) > span { animation-delay: .12s; }
.hero-headline em { font-style: italic; color: var(--accent); position: relative; }
.hero-headline .arrow-sym {
  font-family: var(--sans); font-weight: 200; font-style: normal; color: var(--muted);
  font-size: 0.5em; padding: 0 0.18em; vertical-align: 0.14em; display: inline-block;
  animation: arrowPush 2.6s ease-in-out infinite;
}
@keyframes riseIn { to { transform: translateY(0); } }
@keyframes arrowPush { 0%,100% { transform: translateX(0); } 50% { transform: translateX(0.12em); } }

.hero-sub {
  margin-top: 28px; max-width: 720px; font-size: 18px; line-height: 1.5; color: var(--ink-soft);
  opacity: 0; animation: fadeUp .9s ease .5s forwards;
}
.hero-sub b { color: var(--ink); font-weight: 500; }
.hero-actions { margin-top: 40px; display: flex; gap: 16px; flex-wrap: wrap; opacity: 0; animation: fadeUp .9s ease .65s forwards; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(18px); filter: blur(10px); } to { opacity: 1; transform: none; filter: blur(0); } }

.hero-ticker {
  grid-column: 1 / span 10; margin-top: 18px; padding-top: 28px; border-top: 1px solid var(--rule);
  display: grid; grid-template-columns: 1.15fr .85fr 1fr .75fr; gap: clamp(22px, 4vw, 70px);
  opacity: 0; animation: fadeUp .9s ease .8s forwards;
}
.hero-ticker .tick:nth-child(2), .hero-ticker .tick:nth-child(4) { transform: translateY(18px); }
@media (max-width: 720px) { .hero-ticker { grid-template-columns: 1fr 1fr; gap: 24px; } }
.tick .tn {
  font-family: var(--serif); font-weight: 400; font-size: clamp(26px, 2.6vw, 38px);
  letter-spacing: -0.02em; line-height: 1; color: var(--ink); display: flex; align-items: baseline;
}
.tick .tn .u { font-family: var(--mono); font-size: 0.32em; color: var(--accent); margin-left: 6px; letter-spacing: 0; align-self: center; }
.tick .tl { font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); margin-top: 12px; }

.feature-section {
  position: relative;
  overflow: hidden;
  padding: clamp(108px, 9vw, 150px) 0;
  border-top: 1px solid var(--rule);
}
.feature-section .page-grid { position: relative; z-index: 2; row-gap: 28px; }
.feature-copy { position: relative; z-index: 4; }
.feature-copy .section-num { margin-bottom: 22px; }
.feature-copy .section-lede { max-width: 44ch; }
.feature-visual {
  position: relative;
  z-index: 2;
  min-width: 0;
  filter: drop-shadow(0 34px 80px rgba(0,0,0,0.24));
}
.feature-annotation,
.feature-proof {
  border-left: 1px solid rgba(169,199,239,.24);
  padding-left: 18px;
  color: var(--ink-soft);
}
.feature-annotation b,
.feature-proof b {
  display: block;
  color: var(--accent-bright);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
}
.feature-annotation span,
.feature-proof span { display: block; margin-top: 9px; font-size: 13px; line-height: 1.5; }
.feature-proof { margin-top: 34px; }
.feature-bg-line {
  position: absolute; left: 0; right: 0; top: 45%;
  height: 1px; background: linear-gradient(90deg, transparent, rgba(169,199,239,.22), transparent);
}
.search-motion-preview {
  min-height: 900px;
  background:
    radial-gradient(circle at 74% 36%, rgba(101,217,255,0.07), transparent 34%),
    linear-gradient(180deg, transparent, rgba(255,255,255,0.01));
}
.search-copy { grid-column: 1 / span 4; padding-left: clamp(8px, 1.5vw, 26px); }
.search-note { grid-column: 1 / span 4; align-self: start; margin: 26px 0 0 clamp(8px, 1.5vw, 26px); max-width: 44ch; }
.search-visual { grid-column: 5 / -1; grid-row: 1 / span 2; min-height: 680px; }
.chronology-builder-section {
  min-height: 850px;
  background:
    linear-gradient(rgba(169,199,239,.028) 1px, transparent 1px),
    radial-gradient(circle at 22% 48%, rgba(169,199,239,0.06), transparent 36%);
  background-size: 64px 64px, auto;
}
.chrono-ticks {
  position: absolute; left: calc((100vw - min(1520px, calc(100vw - 64px))) / 2 + 46px); top: 70px; bottom: 70px;
  width: 1px; background: linear-gradient(transparent, rgba(101,217,255,.32), transparent);
}
.chrono-ticks::before,
.chrono-ticks::after {
  content: ""; position: absolute; left: -4px; width: 9px; height: 9px; border-radius: 50%;
  background: var(--accent); box-shadow: 0 0 18px rgba(169,199,239,.6);
}
.chrono-ticks::before { top: 22%; }
.chrono-ticks::after { top: 64%; }
.chronology-visual { grid-column: 1 / span 8; min-height: 700px; }
.chronology-copy { grid-column: 9 / -1; align-self: start; margin-top: 100px; }
.redaction-intelligence-section {
  min-height: 800px;
  background:
    radial-gradient(circle at 66% 50%, rgba(77,156,255,0.10), transparent 34%),
    linear-gradient(180deg, rgba(169,199,239,0.018), transparent 68%);
}
.redaction-glow {
  position: absolute; right: 7vw; top: 23%; width: 44vw; height: 48%;
  background: radial-gradient(ellipse at center, rgba(77,156,255,.14), transparent 65%);
  filter: blur(16px); opacity: .8;
}
.redaction-copy { grid-column: 1 / span 4; align-self: center; }
.redaction-visual { grid-column: 5 / -1; min-height: 680px; margin-top: 36px; }

/* ---------------- section base ---------------- */
.section { padding: clamp(112px, 10vw, 170px) 0; position: relative; }
@media (max-width: 900px) { .section { padding: 104px 0; } }
@media (max-width: 720px) { .section { padding: 78px 0; } }
.section-head { display: grid; grid-template-columns: 220px 1fr; gap: 60px; padding-bottom: 52px; }
@media (max-width: 900px) { .section-head { grid-template-columns: 1fr; gap: 20px; } }
.section-num { font-family: var(--mono); font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted); }
.section-num .num {
  display: block; font-family: var(--serif); font-weight: 400; color: var(--accent);
  font-size: 38px; line-height: 1; margin-bottom: 12px; letter-spacing: -0.02em;
}
.section-title {
  font-family: var(--serif); font-weight: 400; font-size: clamp(30px, 3vw, 52px);
  line-height: 1.1; letter-spacing: -0.02em; margin: 0;
}
.section-title em { font-style: italic; color: var(--accent); }
.section-lede { margin-top: 18px; font-size: 17px; color: var(--ink-soft); max-width: 56ch; line-height: 1.5; }

/* ---------------- problem (narrative) ---------------- */
.problem { border-top: 1px solid var(--rule); }
.problem-lead {
  font-family: var(--serif); font-weight: 400; font-size: clamp(26px, 2.8vw, 42px);
  line-height: 1.22; letter-spacing: -0.02em; max-width: 44ch; margin: 20px 0 64px;
  text-wrap: balance;
}
.problem-lead .hl { color: var(--accent); font-style: italic; }

@media (max-width: 700px) {
  .problem-lead {
    font-size: clamp(25px, 7vw, 34px);
    line-height: 1.2;
    max-width: 100%;
    margin-bottom: 48px;
  }
}

.pcards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
@media (max-width: 900px) { .pcards { grid-template-columns: 1fr; } }
.pcard {
  background: var(--bg-card); border: 1px solid var(--rule); border-radius: 8px; padding: 34px 30px;
  position: relative; overflow: hidden; transition: border-color .3s ease, transform .3s ease;
}
.pcard:hover { border-color: rgba(169,199,239,0.35); transform: translateY(-3px); }
.pcard .pc-ico { color: var(--accent); margin-bottom: 22px; }
.pcard h3 { font-family: var(--serif); font-weight: 400; font-size: 24px; letter-spacing: -0.01em; margin: 0 0 12px; line-height: 1.12; }
.pcard p { font-size: 15px; line-height: 1.55; color: var(--ink-soft); margin: 0; }
.pcard .pc-metric { margin-top: 22px; padding-top: 18px; border-top: 1px solid var(--rule-soft); font-family: var(--mono); font-size: 12px; letter-spacing: 0.04em; color: var(--muted); display: flex; justify-content: space-between; align-items: baseline; }
.pcard .pc-metric b { font-family: var(--serif); font-weight: 400; font-size: 26px; color: var(--accent); letter-spacing: -0.01em; }

/* ---------------- flow (how it works) ---------------- */
.flow { border-top: 1px solid var(--rule); background: linear-gradient(180deg, transparent, rgba(255,255,255,0.012)); }
.flow-rail { position: relative; margin-top: 8px; }
.flow-stages { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; position: relative; z-index: 2; }
@media (max-width: 900px) { .flow-stages { grid-template-columns: 1fr; gap: 16px; } }
.stage {
  background: var(--bg-card); border: 1px solid var(--rule); border-radius: 10px; padding: 30px 26px 28px;
  position: relative; display: flex; flex-direction: column;
  transition: border-color .4s ease, transform .4s ease, box-shadow .4s ease;
}
.stage .s-node {
  position: absolute; top: -9px; left: 30px; width: 16px; height: 16px; border-radius: 50%;
  background: var(--bg); border: 2px solid var(--accent); transition: all .4s ease;
}
.stage.lit .s-node { background: var(--accent); box-shadow: 0 0 0 6px var(--accent-soft); }
.stage.lit { border-color: rgba(169,199,239,0.35); box-shadow: 0 24px 50px -34px rgba(0,0,0,0.7); }
.stage .s-num { font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em; color: var(--muted); }
.stage.lit .s-num { color: var(--accent); }
.stage h3 { font-family: var(--serif); font-weight: 400; font-size: 24px; letter-spacing: -0.012em; margin: 14px 0 12px; line-height: 1.08; }
.stage p { font-size: 14.5px; line-height: 1.55; color: var(--ink-soft); margin: 0; }
.stage .s-verb { margin-top: auto; padding-top: 20px; font-family: var(--mono); font-size: 10px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted); }
.flow-connector {
  position: absolute; top: -1px; left: 6%; right: 6%; height: 2px; z-index: 1; overflow: visible;
}
@media (max-width: 900px) { .flow-connector { display: none; } }
.flow-connector line { stroke: var(--rule); stroke-width: 2; }
.flow-connector .lit-line {
  stroke: var(--accent); stroke-width: 2; stroke-dasharray: 6 8;
  animation: dashRun 1.4s linear infinite;
}
@keyframes dashRun { to { stroke-dashoffset: -28; } }

/* ---------------- vault (trial prep) ---------------- */
.vault {
  border-top: 1px solid var(--rule);
  overflow: hidden;
  padding: clamp(104px, 8vw, 148px) 0;
  background:
    linear-gradient(rgba(169,199,239,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(169,199,239,.025) 1px, transparent 1px);
  background-size: 72px 72px;
}
.vault .shell {
  position: relative;
  width: min(1760px, calc(100vw - 48px));
  max-width: none;
  padding: 0;
  margin-inline: auto;
}
.vault .section-head {
  position: relative;
  z-index: 4;
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: clamp(18px, 2vw, 32px);
  padding-bottom: clamp(58px, 6vw, 96px);
}
.vault .section-head .section-num { grid-column: 1 / span 2; padding-left: 16px; }
.vault .section-head > div:last-child { grid-column: 3 / span 6; }
.vault .section-head .section-title { max-width: 760px; }
.vault .section-head .section-lede { max-width: 680px; }
.vault-stage {
  position: relative;
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: clamp(18px, 2vw, 32px);
  align-items: center;
  min-height: 660px;
}
.vault-copy-orbit {
  grid-column: 1 / span 4;
  padding-left: 16px;
  position: relative;
  z-index: 5;
}
.vault-points { display: grid; }
.vault-visual {
  grid-column: 5 / -1;
  position: relative;
  min-width: 0;
  min-height: 660px;
}
.vault-diagram {
  position: relative;
  width: 100%;
  height: 660px;
  margin: 0;
}
.vault-diagram::before {
  content: "";
  position: absolute;
  inset: 3% 2%;
  background:
    linear-gradient(rgba(169,199,239,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(169,199,239,.045) 1px, transparent 1px),
    radial-gradient(circle at 50% 50%, rgba(169,199,239,.14), transparent 46%);
  background-size: 72px 72px, 72px 72px, auto;
  opacity: .62;
  mask-image: radial-gradient(ellipse at center, #000, transparent 74%);
  -webkit-mask-image: radial-gradient(ellipse at center, #000, transparent 74%);
}
.vault-core {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%);
  width: clamp(230px, 16vw, 310px); aspect-ratio: 1; border-radius: 24px;
  background: linear-gradient(160deg, #16305A, #0B1A31); border: 1px solid rgba(169,199,239,0.4);
  display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center;
  box-shadow: 0 0 0 1px rgba(169,199,239,0.1), 0 30px 60px -30px rgba(0,0,0,0.8), inset 0 1px 0 rgba(255,255,255,0.06);
  z-index: 3;
}
.vault-core .lock { color: var(--accent); margin-bottom: 16px; transform: scale(1.18); }
.vault-core .vc-t { font-family: var(--serif); font-size: clamp(24px, 2.2vw, 38px); line-height: 1.05; }
.vault-core .vc-s { font-family: var(--mono); font-size: 9.5px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); margin-top: 8px; }
.vault-ring {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%);
  border: 1px dashed var(--rule); border-radius: 50%;
}
.vault-ring.r1 { width: min(54%, 570px); aspect-ratio: 1; animation: spin 46s linear infinite; border-color: rgba(169,199,239,0.18); }
.vault-ring.r2 { width: min(82%, 860px); aspect-ratio: 1; animation: spin 70s linear infinite reverse; border-color: rgba(169,199,239,0.12); }
@keyframes spin { to { transform: translate(-50%,-50%) rotate(360deg); } }
.vbrief {
  position: absolute; width: clamp(210px, 16vw, 288px); padding: 18px 20px; border-radius: 12px;
  background: linear-gradient(160deg, rgba(18,42,74,0.94), rgba(8,21,39,0.92)); border: 1px solid rgba(169,199,239,0.2); z-index: 4;
  box-shadow: 0 24px 54px -30px rgba(0,0,0,0.9), inset 0 1px 0 rgba(255,255,255,0.06);
  animation: floaty 6s ease-in-out infinite;
}
.vbrief .vb-tag { font-family: var(--mono); font-size: 9px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent); }
.vbrief .vb-t { font-family: var(--serif); font-size: clamp(16px, 1.2vw, 22px); margin-top: 5px; line-height: 1.1; }
.vbrief .vb-bar { margin-top: 8px; height: 3px; border-radius: 2px; background: var(--rule); overflow: hidden; }
.vbrief .vb-bar::after { content:""; display:block; height:100%; width:60%; background: var(--accent); animation: briefFill 3s ease-in-out infinite; }
@keyframes briefFill { 0%,100% { width: 35%; } 50% { width: 82%; } }
.vbrief.b1 { left: 1%; top: 12%; animation-delay: 0s; }
.vbrief.b2 { right: 0; top: 18%; animation-delay: 1.4s; }
.vbrief.b3 { right: 7%; bottom: 8%; animation-delay: 2.6s; }
@keyframes floaty { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-9px); } }
.vault-link {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: block;
  width: 100%;
  height: 100%;
  overflow: hidden;
  pointer-events: none;
}
.vault-link path {
  fill: none;
  stroke: var(--accent);
  stroke-width: 2px;
  stroke-dasharray: 7 10;
  vector-effect: non-scaling-stroke;
  opacity: .52;
  animation: dashRun 12s linear infinite;
  filter: drop-shadow(0 0 8px rgba(169,199,239,.35));
}
.vpoint {
  position: relative; z-index: 7; padding: 28px 0; border-top: 1px solid var(--rule);
  display: grid; grid-template-columns: 48px 1fr; gap: 18px; align-items: start;
}
.vpoint:last-child { border-bottom: 1px solid var(--rule); }
.vpoint .vp-n { font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; color: var(--accent); padding-top: 5px; }
.vpoint h4 { font-family: var(--serif); font-weight: 400; font-size: clamp(22px, 1.6vw, 29px); margin: 0 0 10px; line-height: 1.1; }
.vpoint p { font-size: 14px; line-height: 1.58; color: var(--ink-soft); margin: 0; max-width: 38ch; }
.vault-badge {
  position: absolute; right: 5%; bottom: 1%; z-index: 8;
  display: inline-flex; align-items: center; gap: 12px; padding: 12px 20px; border-radius: 999px;
  border: 1px solid rgba(169,199,239,0.35); background: var(--accent-soft);
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.06em; color: var(--accent-bright);
}
.vault-badge .lk { width: 8px; height: 8px; border-radius: 2px; border: 1.5px solid var(--accent); position: relative; }
.vault-badge .lk::after { content:""; position:absolute; inset:1.5px; background: var(--accent); border-radius: 1px; }

/* ---------------- who ---------------- */
.who { border-top: 1px solid var(--rule); background: linear-gradient(180deg, rgba(255,255,255,0.012), transparent); }
.who-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 24px; }
@media (max-width: 980px) { .who-grid { grid-template-columns: 1fr; } }
.who-card {
  background: var(--bg-card); border: 1px solid var(--rule); border-radius: 10px; padding: 40px 34px;
  transition: border-color .3s ease, transform .3s ease; display: flex; flex-direction: column;
}
.who-card:hover { border-color: rgba(169,199,239,0.3); transform: translateY(-3px); }
.who-card .role { font-family: var(--mono); font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--accent); margin-bottom: 20px; }
.who-card h3 { font-family: var(--serif); font-weight: 400; font-size: 30px; margin: 0 0 16px; letter-spacing: -0.014em; line-height: 1.08; }
.who-card p { color: var(--ink-soft); margin: 0 0 26px; font-size: 15.5px; line-height: 1.55; }
.who-card .who-list { list-style: none; margin: auto 0 0; padding: 20px 0 0; border-top: 1px solid var(--rule-soft); }
.who-card .who-list li { padding: 9px 0; font-family: var(--mono); font-size: 12px; color: var(--ink); letter-spacing: 0.03em; display: flex; align-items: center; gap: 14px; }
.who-card .who-list li::before { content: ""; width: 14px; height: 1px; background: var(--accent); flex-shrink: 0; }

/* ---------------- founder ---------------- */
.founder { border-top: 1px solid var(--rule); }
.founder-tag { margin-bottom: 48px; }
.founder-body { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 72px; align-items: center; }
@media (max-width: 980px) { .founder-body { grid-template-columns: 1fr; gap: 48px; } }
.badge-seal {
  aspect-ratio: 1; max-width: 340px; width: 100%; margin: 0 auto; border-radius: 50%;
  border: 1px solid rgba(169,199,239,0.35); position: relative;
  background: radial-gradient(circle at 50% 35%, #16305A, #081527 70%);
  display: flex; align-items: center; justify-content: center; flex-direction: column; text-align: center;
}
.badge-seal::before { content:""; position:absolute; inset: 18px; border-radius: 50%; border: 1px dashed var(--rule); }
.badge-seal .yr { font-family: var(--serif); font-size: 76px; line-height: 1; color: var(--accent); letter-spacing: -0.03em; }
.badge-seal .yl { font-family: var(--mono); font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--ink-soft); margin-top: 10px; }
.badge-seal .arc {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  overflow: hidden;
  transform-box: view-box;
  transform-origin: 50% 50%;
  animation: sealSpin 60s linear infinite;
}
@keyframes sealSpin { to { transform: rotate(360deg); } }
.badge-seal .arc text { font-family: var(--mono); font-size: 7.6px; letter-spacing: 0.32em; fill: var(--muted); text-transform: uppercase; }

.founder-quote { font-family: var(--serif); font-weight: 400; font-size: clamp(21px, 2.2vw, 29px); line-height: 1.42; letter-spacing: -0.012em; color: var(--ink); margin: 0 0 26px; max-width: 34ch; }
.founder-quote::before { content: "\201C"; display: block; font-size: 60px; line-height: 0.3; color: var(--accent); margin-bottom: 30px; }
.founder-context { font-size: 15px; line-height: 1.55; color: var(--ink-soft); max-width: 46ch; margin: 0 0 30px; }
.founder-sig { border-top: 1px solid var(--rule); padding-top: 26px; display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.founder-sig div { font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); }
.founder-sig div strong { display: block; font-family: var(--serif); font-weight: 400; font-size: 19px; letter-spacing: -0.005em; text-transform: none; color: var(--ink); margin-top: 7px; }

/* ---------------- principles ---------------- */
.principles { border-top: 1px solid var(--rule); }
.principles-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border: 1px solid var(--rule); border-radius: 10px; overflow: hidden; }
@media (max-width: 1080px) { .principles-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px) { .principles-grid { grid-template-columns: 1fr; } }
.principle { padding: 38px 32px; border-right: 1px solid var(--rule); }
.principle:last-child { border-right: 0; }
@media (max-width: 1080px) { .principle:nth-child(2n) { border-right: 0; } .principle:nth-child(-n+2) { border-bottom: 1px solid var(--rule); } }
@media (max-width: 640px) { .principle { border-right: 0; border-bottom: 1px solid var(--rule); } .principle:last-child { border-bottom: 0; } }
.principle .pn { font-family: var(--mono); font-size: 11px; letter-spacing: 0.16em; color: var(--accent); margin-bottom: 18px; }
.principle h4 { font-family: var(--serif); font-weight: 400; font-size: 24px; letter-spacing: -0.01em; margin: 0 0 14px; line-height: 1.1; }
.principle p { font-size: 15px; line-height: 1.55; color: var(--ink-soft); margin: 0; }

/* ---------------- demo ---------------- */
.demo { border-top: 1px solid var(--rule); }
.demo-body { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: start; }
@media (max-width: 980px) { .demo-body { grid-template-columns: 1fr; gap: 52px; } }
.demo-title { font-family: var(--serif); font-weight: 400; font-size: clamp(32px, 3.6vw, 50px); line-height: 1.04; letter-spacing: -0.028em; margin: 22px 0 26px; }
.demo-title em { font-style: italic; color: var(--accent); }
.demo-lede { font-size: 17px; color: var(--ink-soft); line-height: 1.55; max-width: 42ch; margin: 0 0 32px; }
.demo-meta { margin-top: 34px; padding-top: 26px; border-top: 1px solid var(--rule); }
.demo-meta-row { display: flex; justify-content: space-between; padding: 11px 0; font-family: var(--mono); font-size: 12px; letter-spacing: 0.03em; color: var(--ink); }
.demo-meta-row .key { color: var(--muted); text-transform: uppercase; letter-spacing: 0.1em; font-size: 11px; }

.form { background: var(--bg-card); border: 1px solid var(--rule); border-radius: 12px; padding: 40px; box-shadow: 0 40px 80px -50px rgba(0,0,0,0.9); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.field { display: flex; flex-direction: column; }
.field.full { grid-column: 1 / -1; }
.field label { font-family: var(--mono); font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); margin-bottom: 9px; }
.field input, .field select, .field textarea {
  background: rgba(255,255,255,0.02); border: 1px solid var(--rule); border-radius: 6px;
  font-family: var(--sans); font-size: 15px; color: var(--ink); padding: 12px 14px; outline: none;
  transition: border-color .2s ease, background .2s ease;
}
.field input::placeholder, .field textarea::placeholder { color: var(--muted); }
.field select { appearance: none; -webkit-appearance: none; background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'><path fill='none' stroke='%23AEB8C7' stroke-width='1.2' d='M1 1l4 4 4-4'/></svg>"); background-repeat: no-repeat; background-position: right 12px center; padding-right: 30px; }
.field select option { color: #10233a; background: #F4F7FB; }
.field textarea { resize: vertical; min-height: 84px; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--accent); background: rgba(169,199,239,0.05); }
.field.invalid input, .field.invalid select { border-color: #D96B5C; }
.field .err { font-family: var(--mono); font-size: 10px; color: #E08A7D; margin-top: 6px; letter-spacing: 0.04em; }
.form-foot { margin-top: 30px; padding-top: 24px; border-top: 1px solid var(--rule); display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.form-foot .note { font-family: var(--mono); font-size: 11px; letter-spacing: 0.03em; color: var(--muted); max-width: 24ch; }
.form-foot .note a { color: var(--accent-bright); text-decoration: underline; text-underline-offset: 3px; }
.form-success { text-align: center; padding: 44px 20px; }
.form-success .check { width: 60px; height: 60px; border: 1px solid var(--accent); border-radius: 50%; display: flex; align-items: center; justify-content: center; margin: 0 auto 22px; color: var(--accent); animation: popIn .5s cubic-bezier(.16,1,.3,1); }
@keyframes popIn { from { transform: scale(.7); opacity: 0; } to { transform: scale(1); opacity: 1; } }
.form-success h4 { font-family: var(--serif); font-weight: 400; font-size: 30px; margin: 0 0 12px; letter-spacing: -0.01em; }
.form-success p { color: var(--ink-soft); font-size: 15px; max-width: 36ch; margin: 0 auto; line-height: 1.5; }

@media (max-width: 640px) {
  .form {
    width: 100%;
    max-width: 100%;
    padding: 26px 20px;
    border-radius: 10px;
    overflow: hidden;
  }
  .form-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }
  .field,
  .field.full {
    grid-column: 1;
    min-width: 0;
  }
  .field input,
  .field select,
  .field textarea {
    width: 100%;
    min-width: 0;
  }
  .form-foot {
    align-items: stretch;
    flex-direction: column;
  }
  .form-foot .note {
    max-width: none;
  }
  .form-foot .btn {
    width: 100%;
    justify-content: center;
  }
}

/* ---------------- footer ---------------- */
.footer { border-top: 1px solid var(--rule); padding: 88px 0 34px; background: var(--bg-elev); }
.footer-top { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 48px; padding-bottom: 60px; border-bottom: 1px solid var(--rule); }
@media (max-width: 880px) { .footer-top { grid-template-columns: 1fr 1fr; gap: 36px; } }
.footer-brand .wordmark { margin-bottom: 20px; }
.footer-tag { font-family: var(--serif); font-size: 18px; line-height: 1.4; max-width: 23ch; color: var(--ink-soft); }
.footer-col h5 { font-family: var(--mono); font-size: 10px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted); margin: 0 0 18px; font-weight: 500; }
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col li { padding: 7px 0; font-size: 14px; color: var(--ink-soft); }
.footer-col li a:hover { color: var(--accent); }
.footer-bot { padding-top: 30px; display: flex; justify-content: space-between; align-items: center; font-family: var(--mono); font-size: 11px; letter-spacing: 0.05em; color: var(--muted); flex-wrap: wrap; gap: 16px; }

/* ---------------- legal pages ---------------- */
.legal-page {
  min-height: 100vh;
  padding: clamp(36px, 6vw, 86px) clamp(22px, 5vw, 76px);
  background:
    radial-gradient(circle at 78% 10%, rgba(169,199,239,0.08), transparent 34%),
    var(--bg);
}
.legal-back {
  display: inline-flex;
  align-items: center;
  margin-bottom: clamp(42px, 6vw, 76px);
  font-family: var(--serif);
  font-size: 24px;
  letter-spacing: 0.22em;
  color: var(--ink);
}
.legal-doc {
  width: min(860px, 100%);
  padding-bottom: 80px;
}
.legal-kicker {
  margin: 0 0 18px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}
.legal-doc h1 {
  margin: 0 0 28px;
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(42px, 7vw, 78px);
  line-height: 1;
  letter-spacing: -0.035em;
}
.legal-doc h2 {
  margin: 42px 0 12px;
  padding-top: 24px;
  border-top: 1px solid var(--rule);
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.1;
}
.legal-doc p {
  max-width: 74ch;
  margin: 0 0 16px;
  color: var(--ink-soft);
  font-size: 16px;
  line-height: 1.65;
}
.legal-doc a {
  color: var(--accent-bright);
  text-decoration: underline;
  text-underline-offset: 4px;
}

/* ---------------- reveal ---------------- */
.reveal {
  opacity: 0; transform: translateY(24px); filter: blur(14px);
  transition: opacity 1.1s cubic-bezier(.2,.7,.2,1), transform 1.1s cubic-bezier(.2,.7,.2,1), filter 1.1s cubic-bezier(.2,.7,.2,1);
  will-change: opacity, transform, filter;
}
.reveal.visible { opacity: 1; transform: none; filter: blur(0); }
.reveal.d1 { transition-delay: .08s; }
.reveal.d2 { transition-delay: .16s; }
.reveal.d3 { transition-delay: .24s; }
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; }
  .reveal { opacity: 1; transform: none; filter: none; }
  .hero-headline .line > span { transform: none; }
}

/* ---------------- brand mark / progress / marquee ---------------- */
.scroll-progress { position: fixed; top: 0; left: 0; height: 2px; background: linear-gradient(90deg, var(--accent-deep), var(--accent-bright)); z-index: 60; width: 0; box-shadow: 0 0 12px rgba(169,199,239,0.6); }
.brand-lockup { display: inline-flex; align-items: center; gap: 13px; }
.logo-mark { width: 34px; height: 34px; border-radius: 8px; box-shadow: 0 0 0 1px rgba(255,255,255,0.14), 0 6px 18px -6px rgba(0,0,0,0.7); transition: transform .35s cubic-bezier(.16,1,.3,1), box-shadow .35s ease; }
.brand-lockup:hover .logo-mark { transform: rotate(-6deg) scale(1.06); box-shadow: 0 0 0 1px var(--accent-deep), 0 0 24px -4px rgba(169,199,239,0.5); }
.nav .logo-mark { animation: markIn .8s cubic-bezier(.16,1,.3,1) both; }
@keyframes markIn { from { opacity: 0; transform: rotate(-14deg) scale(.6); } to { opacity: 1; transform: none; } }
.marquee { border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); background: var(--bg-elev); overflow: hidden; padding: 17px 0; position: relative; }
.marquee::before, .marquee::after { content: ""; position: absolute; top: 0; bottom: 0; width: 120px; z-index: 2; pointer-events: none; }
.marquee::before { left: 0; background: linear-gradient(90deg, var(--bg-elev), transparent); }
.marquee::after { right: 0; background: linear-gradient(-90deg, var(--bg-elev), transparent); }
.marquee-track { display: flex; gap: 56px; width: max-content; animation: marqueeRun 34s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-track span { font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.22em; text-transform: uppercase; color: var(--muted); white-space: nowrap; display: inline-flex; align-items: center; gap: 56px; }
.marquee-track span::after { content: "◆"; font-size: 7px; color: var(--accent-deep); }
@keyframes marqueeRun { to { transform: translateX(-50%); } }

/* ---------------- capabilities ---------------- */
.caps { border-top: 1px solid var(--rule); }
.caps-grid { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--rule); border-radius: 10px; overflow: hidden; background: var(--bg-elev); }
@media (max-width: 980px) { .caps-grid { grid-template-columns: 1fr; } }
.cap { padding: 36px 32px; border-right: 1px solid var(--rule); border-bottom: 1px solid var(--rule); position: relative; transition: background .3s ease; }
.cap:nth-child(3n) { border-right: 0; }
.cap:nth-child(n+4) { border-bottom: 0; }
@media (max-width: 980px) { .cap { border-right: 0; border-bottom: 1px solid var(--rule); } .cap:last-child { border-bottom: 0; } }
.cap:hover { background: rgba(169,199,239,0.04); }
.cap::after { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 2px; background: var(--accent); transform: scaleY(0); transform-origin: top; transition: transform .35s cubic-bezier(.16,1,.3,1); }
.cap:hover::after { transform: scaleY(1); }
.cap .cn { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.16em; color: var(--accent); margin-bottom: 16px; text-transform: uppercase; }
.cap h4 { font-family: var(--serif); font-weight: 400; font-size: 24px; letter-spacing: -0.008em; margin: 0 0 10px; line-height: 1.14; }
.cap p { font-size: 14.5px; line-height: 1.55; color: var(--ink-soft); margin: 0; }

/* ---------------- MCM band ---------------- */
.mcm { border-top: 1px solid var(--rule); background: var(--bg-elev); }
.mcm-band { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 72px; align-items: center; }
@media (max-width: 1020px) { .mcm-band { grid-template-columns: 1fr; gap: 48px; } }
.mcm-diagram { display: flex; flex-direction: column; gap: 0; }
.mcm-node { background: var(--bg-card); border: 1px solid var(--rule); border-radius: 10px; padding: 24px 26px; position: relative; transition: border-color .3s ease; }
.mcm-node:hover { border-color: rgba(169,199,239,0.3); }
.mcm-node.hi { border-color: rgba(169,199,239,0.45); background: linear-gradient(160deg, #16305A, #0B1A31); box-shadow: 0 20px 44px -28px rgba(0,0,0,0.8), inset 0 1px 0 rgba(255,255,255,0.06); }
.mcm-node .mn-tag { font-family: var(--mono); font-size: 9.5px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--accent); margin-bottom: 8px; }
.mcm-node .mn-t { font-family: var(--serif); font-size: 24px; letter-spacing: -0.008em; line-height: 1.12; }
.mcm-node .mn-s { font-size: 13px; color: var(--ink-soft); margin-top: 6px; line-height: 1.45; }
.mcm-node.hi {
  min-height: 190px;
  padding: 0;
  overflow: hidden;
  isolation: isolate;
}
.mcm-node.hi::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(5,17,31,.28) 0%, transparent 42%, rgba(5,17,31,.42) 100%);
}
.mcm-node.hi > .mn-tag {
  position: absolute;
  top: 20px;
  left: 26px;
  z-index: 3;
  margin: 0;
}
.mn-brand {
  position: absolute;
  inset: 0;
}
.mn-brand .mn-s {
  position: absolute;
  left: 26px;
  right: 26px;
  bottom: 18px;
  z-index: 3;
  max-width: none;
  margin: 0;
  color: #d2deeb;
}
.mn-wordmark {
  position: absolute;
  z-index: 1;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -54%);
  font-family: var(--serif);
  font-size: clamp(52px, 7.2vw, 92px);
  line-height: 1;
  letter-spacing: 0.16em;
  color: var(--ink);
  text-shadow: 0 18px 34px rgba(0,0,0,.28);
}
@media (max-width: 560px) {
  .mcm-node.hi { min-height: 170px; }
  .mcm-node.hi > .mn-tag { top: 17px; left: 20px; }
  .mn-brand .mn-s { left: 20px; right: 20px; bottom: 15px; font-size: 12px; }
}
.mcm-arrow { display: flex; flex-direction: column; align-items: center; gap: 4px; padding: 10px 0; }
.mcm-arrow span { width: 2px; height: 6px; border-radius: 2px; background: var(--accent-deep); opacity: 0.35; animation: mcmDrip 1.6s ease-in-out infinite; }
.mcm-arrow span:nth-child(2) { animation-delay: .25s; }
.mcm-arrow span:nth-child(3) { animation-delay: .5s; }
@keyframes mcmDrip { 0%,100% { opacity: 0.25; transform: translateY(0); } 50% { opacity: 1; transform: translateY(3px); } }

/* ---------------- intelligence ---------------- */
.ai-tag { margin-left: 12px; padding: 3px 9px; border: 1px solid rgba(169,199,239,0.35); border-radius: 999px; background: var(--accent-soft); font-size: 9px; letter-spacing: 0.12em; color: var(--accent-bright); }
.intel-band { margin-top: 22px; display: grid; grid-template-columns: 52px 1fr; gap: 22px; align-items: start; border: 1px solid rgba(169,199,239,0.25); border-radius: 10px; padding: 26px 30px; background: linear-gradient(120deg, rgba(169,199,239,0.06), transparent 55%); }
.intel-band h4 { font-family: var(--serif); font-weight: 400; font-size: 21px; letter-spacing: -0.008em; margin: 0 0 8px; }
.intel-band p { font-size: 14.5px; line-height: 1.55; color: var(--ink-soft); margin: 0; max-width: 82ch; }
.intel-mark { display: flex; flex-direction: column; gap: 5px; padding-top: 7px; }
.intel-mark span { height: 3px; border-radius: 2px; background: var(--accent); opacity: .9; animation: intelPulse 2.2s ease-in-out infinite; }
.intel-mark span:nth-child(1) { width: 60%; }
.intel-mark span:nth-child(2) { width: 100%; animation-delay: .3s; }
.intel-mark span:nth-child(3) { width: 40%; animation-delay: .6s; }
@keyframes intelPulse { 0%,100% { opacity: .35; } 50% { opacity: 1; } }

/* ---------------- cost math ---------------- */
.math { border-top: 1px solid var(--rule); }
.math-body { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 64px; align-items: start; }
@media (max-width: 1020px) { .math-body { grid-template-columns: 1fr; gap: 44px; } }
.ledger { display: flex; flex-direction: column; }
.lrow { display: grid; grid-template-columns: 290px 1fr 76px; gap: 22px; align-items: center; padding: 18px 0; border-bottom: 1px solid var(--rule-soft); }
@media (max-width: 720px) { .lrow { grid-template-columns: 1fr 70px; } .lrow .lr-bar { display: none; } }
.lr-label { font-size: 14px; color: var(--ink); line-height: 1.3; }
.lr-label span { display: block; font-family: var(--mono); font-size: 10px; letter-spacing: 0.06em; color: var(--muted); margin-top: 4px; }
.lr-bar { height: 6px; border-radius: 3px; background: rgba(255,255,255,0.05); overflow: hidden; }
.lr-bar i { display: block; height: 100%; border-radius: 3px; background: var(--muted); transform: scaleX(0); transform-origin: left; transition: transform 1.1s cubic-bezier(.16,1,.3,1) .2s; }
.reveal.visible .lr-bar i { transform: scaleX(1); }
.lr-val { font-family: var(--serif); font-size: 21px; color: var(--ink-soft); text-align: right; white-space: nowrap; }
.lrow.total { border-bottom: 1px solid var(--rule); }
.lrow.total .lr-label { font-weight: 500; }
.lrow.total .lr-bar i { background: #C08A8A; }
.lrow.total .lr-val { color: #DCA9A9; }
.lrow.lexion { border-bottom: 0; }
.lrow.lexion .lr-bar i { background: var(--accent); box-shadow: 0 0 12px rgba(169,199,239,0.5); transition-delay: .7s; }
.lrow.lexion .lr-val { color: var(--accent-bright); font-style: italic; }
.lrow.lexion .lr-label { color: var(--accent-bright); }
.calc { background: var(--bg-card); border: 1px solid var(--rule); border-radius: 12px; padding: 34px 32px; box-shadow: 0 30px 60px -44px rgba(0,0,0,0.9); }
.calc-label { font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); }
.calc-num { font-family: var(--serif); font-size: 58px; line-height: 1; color: var(--ink); margin: 14px 0 18px; letter-spacing: -0.02em; }
.calc input[type=range] { width: 100%; appearance: none; -webkit-appearance: none; height: 4px; border-radius: 2px; background: rgba(255,255,255,0.1); outline: none; }
.calc input[type=range]::-webkit-slider-thumb { appearance: none; -webkit-appearance: none; width: 18px; height: 18px; border-radius: 50%; background: var(--accent); border: 3px solid var(--brand); box-shadow: 0 0 0 1px var(--accent), 0 4px 12px rgba(0,0,0,0.5); cursor: pointer; }
.calc input[type=range]::-moz-range-thumb { width: 14px; height: 14px; border-radius: 50%; background: var(--accent); border: 3px solid var(--brand); box-shadow: 0 0 0 1px var(--accent); cursor: pointer; }
.calc-summary {
  margin-top: 24px;
  padding: 22px 0 0;
  border-top: 1px solid var(--rule);
}
.calc-summary b {
  display: block;
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(32px, 3.2vw, 48px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--accent-bright);
}
.calc-summary span {
  display: block;
  margin-top: 8px;
  font-size: 14px;
  line-height: 1.4;
  color: var(--ink-soft);
}
.calc-out { margin-top: 26px; padding-top: 22px; border-top: 1px solid var(--rule); display: flex; flex-direction: column; gap: 18px; }
.calc-out .co { display: flex; align-items: baseline; gap: 14px; }
.calc-out .co b { font-family: var(--serif); font-weight: 400; font-size: 30px; letter-spacing: -0.015em; color: var(--ink); min-width: 96px; }
.calc-out .co b i { font-family: var(--mono); font-style: normal; font-size: 11px; color: var(--muted); margin-left: 5px; letter-spacing: 0; }
.calc-out .co.total { padding-top: 16px; border-top: 1px solid var(--rule); }
.calc-out .co.total b { color: var(--accent-bright); }
.calc-out .co.total b i { color: var(--accent-deep); }
.calc-out .co span { font-size: 13.5px; color: var(--ink-soft); line-height: 1.4; }

/* ---------------- welcome (landing section) ---------------- */
.welcome {
  height: calc(100svh - 76px); min-height: 620px; position: relative; overflow: hidden;
  display: flex; align-items: center; justify-content: center;
  border-bottom: 1px solid var(--rule);
}
@media (min-width: 1600px) {
  .welcome { height: calc(100svh - clamp(76px, 3.6vw, 96px)); }
}
.welcome-bg { position: absolute; inset: 0; z-index: 0; overflow: hidden; }
.welcome-bg::after {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(ellipse 70% 60% at 50% 42%, transparent, var(--bg) 78%);
}
.welcome-scanline {
  position: absolute; left: 0; right: 0; top: 0; height: 220px;
  background: linear-gradient(180deg, transparent, rgba(169,199,239,0.07), transparent);
  animation: welcomeScan 8s linear infinite;
}
@keyframes welcomeScan { from { transform: translateY(-220px); } to { transform: translateY(100vh); } }

.welcome-bars {
  position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center;
  justify-content: center; gap: 24px; opacity: 0.3;
}
.welcome-bar {
  height: 12px; border-radius: 2px; background: var(--bg-card); position: relative; overflow: hidden;
}
.welcome-bar::after {
  content: ""; position: absolute; inset: 0; transform: translateX(-120%);
  background: linear-gradient(90deg, transparent, rgba(169,199,239,0.55), transparent);
  animation: welcomeBarSweep 5.5s ease-in-out infinite;
}
@keyframes welcomeBarSweep { 0%, 15% { transform: translateX(-120%); } 55%, 100% { transform: translateX(120%); } }

.welcome-inner {
  position: relative; z-index: 2; display: flex; flex-direction: column; align-items: center;
  text-align: center; gap: 36px; padding: 110px 0;
}
.welcome-icon {
  width: min(252px, 48vw); aspect-ratio: 1; border-radius: 28px; overflow: hidden; position: relative;
  box-shadow: 0 0 0 1px rgba(255,255,255,0.14), 0 40px 90px -26px rgba(0,0,0,0.8);
  opacity: 0; transform: translateY(24px) scale(.92);
  transition: opacity .9s cubic-bezier(.16,1,.3,1), transform .9s cubic-bezier(.16,1,.3,1);
}
.welcome-icon.show { opacity: 1; transform: none; }
.welcome-icon img { width: 100%; height: 100%; display: block; }
.welcome-icon::after {
  content: "";
  position: absolute;
  top: -20%;
  bottom: -20%;
  left: -55%;
  width: 28%;
  pointer-events: none;
  background: linear-gradient(90deg, transparent, rgba(210,228,250,.18), transparent);
  transform: skewX(-16deg);
  animation: welcomeMarkSheen 8s ease-in-out 1.6s infinite;
}
@keyframes welcomeMarkSheen {
  0%, 58% { transform: translateX(0) skewX(-16deg); opacity: 0; }
  64% { opacity: .7; }
  78%, 100% { transform: translateX(650%) skewX(-16deg); opacity: 0; }
}

.welcome-taglines { position: relative; height: 2.6em; display: grid; width: min(640px, 86vw); }
.welcome-tagline {
  grid-area: 1 / 1; margin: 0; font-family: var(--serif); font-weight: 400;
  font-size: clamp(19px, 2.3vw, 30px); letter-spacing: -0.01em; color: var(--ink-soft);
  opacity: 0; transform: translateY(10px);
  transition: opacity .7s ease, transform .7s ease;
}
.welcome-tagline.active { opacity: 1; transform: none; color: var(--ink); }

.welcome-scroll-cue {
  position: absolute; left: 50%; bottom: 84px; transform: translateX(-50%); z-index: 2;
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--muted);
}
.welcome-scroll-cue span { width: 1px; height: 26px; background: linear-gradient(180deg, var(--accent), transparent); animation: welcomeCueMove 1.8s ease-in-out infinite; }
@keyframes welcomeCueMove { 0%, 100% { opacity: .3; transform: scaleY(.7); } 50% { opacity: 1; transform: scaleY(1); } }
.welcome > .marquee {
  position: absolute;
  z-index: 3;
  left: 0;
  right: 0;
  bottom: 0;
}

@media (prefers-reduced-motion: reduce) {
  .welcome-scanline, .welcome-bar::after, .welcome-icon::after, .welcome-scroll-cue span { animation: none; }
}

@media (max-width: 1100px) {
  .hero-copy { grid-column: 1 / span 6; }
  .hero-evidence { grid-column: 7 / -1; }
}

@media (max-width: 1180px) {
  .feature-section .page-grid { row-gap: 38px; }
  .search-copy,
  .chronology-copy,
  .redaction-copy {
    grid-column: 1 / span 8;
    grid-row: auto;
    margin: 0;
    padding-left: 0;
  }
  .search-note { grid-column: 9 / -1; grid-row: 1; align-self: end; margin: 0 0 4px; }
  .search-visual,
  .chronology-visual,
  .redaction-visual {
    grid-column: 1 / -1;
    grid-row: auto;
    min-height: 680px;
    margin: 0;
  }
}

@media (max-width: 900px) {
  .hero { min-height: auto; padding: 92px 0 76px; }
  .hero-copy { grid-column: 1 / span 5; }
  .hero-evidence { grid-column: 6 / -1; min-height: 420px; }
  .hero-ticker { grid-column: 1 / -1; grid-template-columns: 1fr 1fr; }
  .feature-section { padding: 96px 0; }
  .search-copy, .chronology-copy, .redaction-copy { grid-column: 1 / -1; margin-top: 0; }
  .search-note { grid-column: 1 / -1; grid-row: auto; align-self: start; margin: 6px 0 0; max-width: 54ch; }
  .search-visual, .chronology-visual, .redaction-visual { grid-column: 1 / -1; min-height: 620px; margin-top: 28px; }
  .chrono-ticks, .redaction-glow { display: none; }
  .vault { padding: 84px 0; }
  .vault .shell { width: min(100% - 44px, 860px); min-height: auto; }
  .vault .section-head { position: relative; display: grid; grid-template-columns: 1fr; gap: 18px; }
  .vault .section-head .section-num,
  .vault .section-head > div:last-child { grid-column: 1; }
  .vault-stage { position: relative; min-height: auto; display: block; margin-top: 8px; }
  .vault-copy-orbit { padding-left: 0; }
  .vault-visual { min-height: auto; margin-top: 42px; }
  .vault-diagram { position: relative; width: min(100%, 620px); height: min(620px, calc(100vw - 44px)); margin: 0 auto; }
  .vault-link { display: none; }
  .vault-core { left: 50%; top: 50%; width: 40%; }
  .vault-ring { left: 50%; top: 50%; }
  .vault-ring.r1 { width: 72%; }
  .vault-ring.r2 { width: 108%; }
  .vbrief { width: 42%; }
  .vbrief.b1 { left: -2%; top: 1%; }
  .vbrief.b2 { left: auto; right: -8%; top: 39%; }
  .vbrief.b3 { left: 1%; top: auto; bottom: 0; }
  .vault-points { display: block; }
  .vpoint,
  .vpoint:nth-child(1),
  .vpoint:nth-child(2),
  .vpoint:nth-child(3) {
    position: relative; left: auto; right: auto; top: auto; bottom: auto; width: auto; margin: 0; padding: 26px 0;
  }
  .vault-badge { position: relative; right: auto; bottom: auto; margin: 24px auto 0; width: max-content; max-width: 100%; }
}

@media (max-width: 640px) {
  .hero-copy, .hero-evidence, .hero-ticker { grid-column: 1; }
  .hero-evidence { min-height: 300px; margin-top: 28px; }
  .hero-ticker .tick:nth-child(2), .hero-ticker .tick:nth-child(4) { transform: none; }
  .search-motion-preview { min-height: auto; }
  .search-copy, .search-note, .search-visual { grid-column: 1; }
  .search-copy .section-title { max-width: 10ch; }
  .search-copy .section-lede { max-width: 32ch; }
  .search-note { margin-top: 10px; }
  .feature-section { padding: 78px 0; }
  .search-visual, .chronology-visual, .redaction-visual { min-height: 0; }
}

/* ---------------- faq ---------------- */
.faq { border-top: 1px solid var(--rule); }
.faq-head { display: flex; align-items: center; gap: 30px; flex-wrap: wrap; padding-bottom: 44px; }
.faq-head .section-title { margin: 0; }
.faq-list { border: 1px solid var(--rule); border-radius: 10px; overflow: hidden; background: var(--bg-elev); }
.faq-item { border-bottom: 1px solid var(--rule); }
.faq-item:last-child { border-bottom: 0; }
.faq-q { width: 100%; display: flex; justify-content: space-between; align-items: center; gap: 24px; text-align: left; background: none; border: 0; padding: 24px 30px; color: var(--ink); font-family: var(--serif); font-size: 20px; letter-spacing: -0.005em; transition: background .25s ease, color .25s ease; }
.faq-q:hover { background: rgba(169,199,239,0.04); }
.faq-item.open .faq-q { color: var(--accent-bright); }
.faq-x { position: relative; width: 14px; height: 14px; flex-shrink: 0; }
.faq-x::before, .faq-x::after { content: ""; position: absolute; background: var(--accent); border-radius: 1px; transition: transform .35s cubic-bezier(.16,1,.3,1); }
.faq-x::before { left: 0; right: 0; top: 6px; height: 2px; }
.faq-x::after { top: 0; bottom: 0; left: 6px; width: 2px; }
.faq-item.open .faq-x::after { transform: scaleY(0); }
.faq-a { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .45s cubic-bezier(.16,1,.3,1); }
.faq-item.open .faq-a { grid-template-rows: 1fr; }
.faq-a p { overflow: hidden; margin: 0; padding: 0 30px; font-size: 15px; line-height: 1.6; color: var(--ink-soft); max-width: 88ch; transition: padding .35s ease; }
.faq-item.open .faq-a p { padding: 0 30px 26px; }