:root {
  --bg: #07111f;
  --bg-elevated: #0c1728;
  --surface: rgba(18, 31, 50, 0.78);
  --surface-solid: #101d30;
  --surface-2: #14243a;
  --text: #f7f8fb;
  --text-soft: #b5bfd0;
  --text-faint: #7f8da3;
  --border: rgba(255, 255, 255, 0.12);
  --border-strong: rgba(255, 255, 255, 0.2);
  --violet: #9d7cff;
  --teal: #43d7c2;
  --coral: #ff7d8d;
  --gold: #f3c65f;
  --blue: #5aa7ff;
  --green: #73df91;
  --shadow: 0 22px 70px rgba(0, 0, 0, 0.34);
  --shadow-soft: 0 12px 34px rgba(0, 0, 0, 0.22);
  --radius-sm: 12px;
  --radius: 20px;
  --radius-lg: 32px;
  --container: 1180px;
  --nav-height: 76px;
  --font-sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--text);
  background:
    radial-gradient(circle at 8% 8%, rgba(157, 124, 255, .16), transparent 27%),
    radial-gradient(circle at 91% 14%, rgba(67, 215, 194, .10), transparent 24%),
    radial-gradient(circle at 50% 95%, rgba(90, 167, 255, .09), transparent 28%),
    var(--bg);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: .25;
  background-image:
    linear-gradient(rgba(255,255,255,.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.018) 1px, transparent 1px);
  background-size: 36px 36px;
  mask-image: linear-gradient(to bottom, black, transparent 85%);
  z-index: -1;
}

img, svg { max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button { color: inherit; }
::selection { background: rgba(157, 124, 255, .35); color: white; }

.container { width: min(calc(100% - 40px), var(--container)); margin: 0 auto; }
.section { padding: 104px 0; position: relative; }
.section-tight { padding: 72px 0; }
.section-border { border-top: 1px solid var(--border); }
.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.stack { display: grid; gap: 18px; }

.skip-link {
  position: fixed; top: 10px; left: 10px; transform: translateY(-140%);
  background: white; color: #111; padding: 10px 14px; border-radius: 8px; z-index: 9999;
}
.skip-link:focus { transform: translateY(0); }

.site-header {
  position: sticky; top: 0; z-index: 1000;
  height: var(--nav-height);
  border-bottom: 1px solid rgba(255, 255, 255, .08);
  background: rgba(7, 17, 31, .76);
  backdrop-filter: blur(18px) saturate(135%);
}
.nav-wrap { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: flex; align-items: center; gap: 12px; min-width: max-content; }
.brand-mark { width: 38px; height: 38px; flex: none; filter: drop-shadow(0 8px 20px rgba(157, 124, 255, .22)); }
.brand-copy { display: grid; line-height: 1.05; }
.brand-copy strong { font-size: 15px; letter-spacing: .18em; }
.brand-copy span { font-size: 11px; color: var(--text-faint); letter-spacing: .06em; margin-top: 5px; }
.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-links a {
  color: var(--text-soft); font-size: 14px; font-weight: 650;
  padding: 10px 13px; border-radius: 999px; transition: .22s ease;
}
.nav-links a:hover, .nav-links a[aria-current="page"] { color: white; background: rgba(255,255,255,.08); }
.nav-cta { margin-left: 8px; }
.nav-toggle {
  display: none; width: 44px; height: 44px; border-radius: 12px; border: 1px solid var(--border);
  background: rgba(255,255,255,.05); align-items: center; justify-content: center; cursor: pointer;
}
.nav-toggle span, .nav-toggle::before, .nav-toggle::after {
  content: ""; width: 18px; height: 2px; background: white; border-radius: 2px; display: block; position: absolute;
  transition: .2s ease;
}
.nav-toggle::before { transform: translateY(-6px); }
.nav-toggle::after { transform: translateY(6px); }
.nav-toggle[aria-expanded="true"] span { opacity: 0; }
.nav-toggle[aria-expanded="true"]::before { transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"]::after { transform: rotate(-45deg); }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  border: 1px solid transparent; border-radius: 999px; padding: 13px 20px;
  font-size: 14px; font-weight: 750; letter-spacing: .01em; cursor: pointer; transition: .22s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { color: #07111f; background: linear-gradient(135deg, var(--teal), #8ce7d8); box-shadow: 0 10px 28px rgba(67,215,194,.18); }
.btn-primary:hover { box-shadow: 0 14px 34px rgba(67,215,194,.28); }
.btn-secondary { background: rgba(255,255,255,.06); border-color: var(--border); color: white; }
.btn-secondary:hover { background: rgba(255,255,255,.1); border-color: var(--border-strong); }
.btn-violet { color: white; background: linear-gradient(135deg, #7458df, var(--violet)); box-shadow: 0 10px 28px rgba(157,124,255,.18); }
.btn-small { padding: 10px 15px; font-size: 13px; }
.btn svg { width: 17px; height: 17px; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 9px; color: #d7ddf2;
  font-size: 12px; font-weight: 800; letter-spacing: .16em; text-transform: uppercase;
}
.eyebrow::before { content: ""; width: 24px; height: 1px; background: currentColor; opacity: .65; }
.kicker {
  display: inline-flex; align-items: center; gap: 8px; padding: 7px 11px; border-radius: 999px;
  border: 1px solid var(--border); background: rgba(255,255,255,.045); color: var(--text-soft);
  font-size: 12px; font-weight: 700;
}
.kicker-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--teal); box-shadow: 0 0 0 5px rgba(67,215,194,.08); }

h1, h2, h3, h4, p { margin-top: 0; }
h1 { font-size: clamp(3rem, 7vw, 6.4rem); line-height: .95; letter-spacing: -.055em; margin-bottom: 24px; max-width: 980px; }
h2 { font-size: clamp(2.1rem, 4vw, 4rem); line-height: 1.03; letter-spacing: -.04em; margin-bottom: 20px; }
h3 { font-size: 1.25rem; line-height: 1.25; margin-bottom: 10px; }
h4 { font-size: .95rem; letter-spacing: .02em; margin-bottom: 8px; }
.lede { font-size: clamp(1.08rem, 2vw, 1.33rem); color: var(--text-soft); line-height: 1.65; max-width: 780px; }
.muted { color: var(--text-soft); }
.faint { color: var(--text-faint); }
.text-gradient { background: linear-gradient(90deg, #fff 6%, #b8a8ff 48%, #62decf 95%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 32px; margin-bottom: 42px; }
.section-head > div:first-child { max-width: 820px; }
.section-head p { margin-bottom: 0; color: var(--text-soft); max-width: 670px; }

.hero { padding: 84px 0 74px; min-height: calc(100vh - var(--nav-height)); display: grid; align-items: center; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.12fr) minmax(360px, .88fr); gap: 60px; align-items: center; }
.hero-copy { position: relative; z-index: 2; }
.hero-copy .kicker { margin-bottom: 26px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.hero-meta { display: flex; flex-wrap: wrap; gap: 22px; margin-top: 34px; color: var(--text-faint); font-size: 13px; }
.hero-meta span { display: inline-flex; align-items: center; gap: 8px; }
.hero-meta span::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--violet); }
.hero-visual { position: relative; min-height: 560px; display: grid; place-items: center; }
.hero-orbit { width: min(100%, 560px); aspect-ratio: 1; position: relative; }
.hero-orbit::before {
  content: ""; position: absolute; inset: 10%; border-radius: 50%;
  background: radial-gradient(circle, rgba(157,124,255,.18), rgba(67,215,194,.055) 48%, transparent 70%);
  filter: blur(10px);
}
.orbit-svg { width: 100%; height: 100%; animation: orbitFloat 8s ease-in-out infinite; }
@keyframes orbitFloat { 0%,100% { transform: translateY(0) rotate(0deg); } 50% { transform: translateY(-9px) rotate(1deg); } }
.hero-note {
  position: absolute; right: -8px; bottom: 50px; max-width: 220px; padding: 16px 17px;
  background: rgba(11,24,40,.88); border: 1px solid var(--border); border-radius: 16px;
  box-shadow: var(--shadow-soft); backdrop-filter: blur(14px); font-size: 12px; color: var(--text-soft);
}
.hero-note strong { color: white; display: block; margin-bottom: 4px; }

.card {
  position: relative; border: 1px solid var(--border); background: var(--surface);
  border-radius: var(--radius); padding: 26px; box-shadow: var(--shadow-soft);
  backdrop-filter: blur(12px); overflow: hidden;
}
.card::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(130deg, rgba(255,255,255,.04), transparent 28%);
}
.card-hover { transition: transform .24s ease, border-color .24s ease, background .24s ease; }
.card-hover:hover { transform: translateY(-6px); border-color: rgba(255,255,255,.22); background: rgba(23,39,61,.9); }
.card-icon { width: 46px; height: 46px; display: grid; place-items: center; border-radius: 14px; margin-bottom: 20px; background: rgba(255,255,255,.07); border: 1px solid var(--border); }
.card-icon svg { width: 22px; height: 22px; }
.card p:last-child { margin-bottom: 0; }
.card-link { display: inline-flex; align-items: center; gap: 7px; font-size: 13px; font-weight: 750; color: white; margin-top: 18px; }
.card-link::after { content: "→"; transition: transform .2s ease; }
.card-link:hover::after { transform: translateX(4px); }

.suite-card { min-height: 320px; display: flex; flex-direction: column; }
.suite-card .model-tag { margin-bottom: 54px; }
.suite-card h3 { font-size: 1.65rem; letter-spacing: -.025em; }
.suite-card .card-link { margin-top: auto; }
.suite-card::before { content: ""; position: absolute; width: 180px; height: 180px; border-radius: 50%; right: -80px; top: -80px; filter: blur(2px); opacity: .4; }
.suite-card.mosaic::before { background: radial-gradient(circle, var(--violet), transparent 70%); }
.suite-card.triad::before { background: radial-gradient(circle, var(--coral), transparent 70%); }
.suite-card.scope::before { background: radial-gradient(circle, var(--teal), transparent 70%); }
.model-tag { display: inline-flex; align-items: center; gap: 8px; font-size: 11px; text-transform: uppercase; letter-spacing: .15em; font-weight: 850; color: var(--text-soft); }
.model-tag b { width: 10px; height: 10px; border-radius: 3px; display: inline-block; }

.domain-grid { grid-template-columns: repeat(7, minmax(150px, 1fr)); gap: 14px; overflow-x: auto; padding-bottom: 8px; scroll-snap-type: x proximity; }
.domain-card { min-height: 230px; scroll-snap-align: start; padding: 20px; }
.domain-number { font-size: 11px; letter-spacing: .14em; color: var(--text-faint); font-weight: 850; margin-bottom: 34px; }
.domain-card h3 { font-size: 1.02rem; }
.domain-card p { color: var(--text-faint); font-size: 13px; }
.domain-line { height: 3px; width: 42px; border-radius: 4px; margin-bottom: 16px; background: var(--accent, var(--violet)); }

.principle-band {
  display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; background: rgba(255,255,255,.035);
}
.principle { padding: 34px; min-height: 230px; position: relative; }
.principle + .principle { border-left: 1px solid var(--border); }
.principle .symbol { font-size: 2.2rem; font-weight: 300; color: var(--violet); margin-bottom: 28px; }
.principle h3 { font-size: 1.25rem; }
.principle p { color: var(--text-soft); margin-bottom: 0; }

.quote-panel { border-radius: var(--radius-lg); padding: clamp(34px, 6vw, 72px); position: relative; overflow: hidden; border: 1px solid var(--border); background: linear-gradient(135deg, rgba(157,124,255,.12), rgba(67,215,194,.055) 60%, rgba(90,167,255,.08)); }
.quote-panel blockquote { font-size: clamp(1.8rem, 4vw, 3.8rem); line-height: 1.15; letter-spacing: -.04em; max-width: 1000px; margin: 0; }
.quote-panel small { display: block; margin-top: 26px; color: var(--text-faint); }
.quote-panel::after { content: ""; position: absolute; width: 420px; height: 420px; border-radius: 50%; right: -180px; top: -190px; border: 1px solid rgba(255,255,255,.12); box-shadow: 0 0 0 48px rgba(255,255,255,.018), 0 0 0 96px rgba(255,255,255,.012); }

.assessment-shell { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(330px, .75fr); gap: 24px; align-items: stretch; }
.control-card { padding: 30px; }
.control-row { display: grid; grid-template-columns: 1fr auto; gap: 20px; align-items: center; padding: 18px 0; border-bottom: 1px solid var(--border); }
.control-row:last-child { border-bottom: 0; }
.control-row label { font-weight: 730; }
.control-row small { display: block; color: var(--text-faint); margin-top: 4px; }
.range-wrap { display: flex; align-items: center; gap: 12px; min-width: 235px; }
input[type="range"] { width: 180px; accent-color: var(--violet); cursor: pointer; }
.range-value { width: 34px; color: white; font-size: 13px; font-weight: 800; text-align: right; }
.profile-card { display: grid; place-items: center; min-height: 420px; }
.profile-chart { width: min(100%, 360px); aspect-ratio: 1; position: relative; }
.profile-chart svg { width: 100%; height: 100%; }
.profile-copy { text-align: center; max-width: 420px; margin: 10px auto 0; color: var(--text-soft); font-size: 14px; }

.status-row { display: grid; grid-template-columns: 210px 1fr; gap: 30px; padding: 26px 0; border-bottom: 1px solid var(--border); }
.status-row:last-child { border-bottom: 0; }
.status-label { display: flex; align-items: start; gap: 10px; font-weight: 760; }
.status-dot { width: 10px; height: 10px; border-radius: 50%; margin-top: 7px; flex: none; }
.status-copy { color: var(--text-soft); }
.status-copy strong { color: white; }

.page-hero { padding: 90px 0 74px; border-bottom: 1px solid var(--border); }
.page-hero-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(320px, .72fr); gap: 60px; align-items: center; }
.page-hero h1 { font-size: clamp(3.5rem, 8vw, 7rem); }
.acronym-line { color: var(--text-soft); font-weight: 680; letter-spacing: .015em; margin-bottom: 20px; }
.model-visual-card { min-height: 430px; display: grid; place-items: center; }
.model-visual-card svg { width: min(100%, 430px); }

.letter-domains { display: grid; gap: 14px; }
.letter-domain { display: grid; grid-template-columns: 72px 1fr auto; gap: 22px; align-items: center; padding: 23px 26px; border: 1px solid var(--border); border-radius: 18px; background: rgba(255,255,255,.035); transition: .22s ease; }
.letter-domain:hover { background: rgba(255,255,255,.06); transform: translateX(5px); }
.letter { width: 52px; height: 52px; display: grid; place-items: center; border-radius: 15px; background: var(--letter-bg, rgba(157,124,255,.14)); color: var(--letter-color, var(--violet)); font-size: 1.35rem; font-weight: 900; }
.letter-domain h3 { margin: 0 0 5px; }
.letter-domain p { margin: 0; color: var(--text-soft); font-size: 14px; }
.letter-domain .arrow { color: var(--text-faint); font-size: 1.4rem; }

.level-card { min-height: 290px; }
.level-card .level-index { font-size: 3.6rem; line-height: 1; letter-spacing: -.06em; color: rgba(255,255,255,.11); font-weight: 850; margin-bottom: 38px; }
.level-card ul, .compact-list { padding: 0; margin: 15px 0 0; list-style: none; display: grid; gap: 9px; }
.level-card li, .compact-list li { display: flex; gap: 9px; color: var(--text-soft); font-size: 14px; }
.level-card li::before, .compact-list li::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--teal); margin-top: 8px; flex: none; }

.explorer { display: grid; grid-template-columns: 280px 1fr; gap: 24px; align-items: stretch; }
.explorer-tabs { display: grid; gap: 9px; align-content: start; }
.explorer-tab { border: 1px solid var(--border); background: rgba(255,255,255,.035); border-radius: 14px; padding: 15px 16px; text-align: left; cursor: pointer; color: var(--text-soft); font-weight: 720; transition: .2s ease; }
.explorer-tab:hover, .explorer-tab[aria-selected="true"] { color: white; background: rgba(157,124,255,.12); border-color: rgba(157,124,255,.35); }
.explorer-stage { min-height: 430px; display: grid; grid-template-columns: minmax(260px, .9fr) 1fr; gap: 36px; align-items: center; }
.explorer-visual { min-height: 330px; display: grid; place-items: center; border-radius: 18px; background: rgba(255,255,255,.025); border: 1px solid var(--border); }
.explorer-visual svg { width: min(100%, 320px); }
.explorer-copy h3 { font-size: 1.7rem; }
.explorer-copy p { color: var(--text-soft); }
.explorer-copy .chip-row { margin-top: 20px; }

.chip-row { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { display: inline-flex; align-items: center; padding: 7px 10px; border-radius: 999px; border: 1px solid var(--border); background: rgba(255,255,255,.045); color: var(--text-soft); font-size: 12px; font-weight: 650; }
.chip.accent { border-color: rgba(157,124,255,.35); color: #ded7ff; background: rgba(157,124,255,.09); }

.state-matrix { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); }
.state-matrix table { width: 100%; border-collapse: collapse; min-width: 820px; }
.state-matrix th, .state-matrix td { padding: 17px 18px; text-align: left; border-right: 1px solid var(--border); border-bottom: 1px solid var(--border); vertical-align: top; }
.state-matrix th:last-child, .state-matrix td:last-child { border-right: 0; }
.state-matrix tr:last-child td { border-bottom: 0; }
.state-matrix thead th { background: rgba(255,255,255,.055); font-size: 12px; text-transform: uppercase; letter-spacing: .1em; color: var(--text-soft); }
.state-matrix tbody th { color: white; background: rgba(255,255,255,.025); width: 160px; }
.state-matrix td { color: var(--text-soft); font-size: 13px; }

.guardrail { border-left: 3px solid var(--gold); padding: 20px 22px; background: rgba(243,198,95,.07); border-radius: 0 14px 14px 0; color: var(--text-soft); }
.guardrail strong { color: white; }

.assessment-hero { padding-bottom: 42px; }
.assessment-layout { display: grid; grid-template-columns: 290px 1fr; gap: 24px; align-items: start; }
.assessment-sidebar { position: sticky; top: calc(var(--nav-height) + 24px); }
.progress-track { height: 7px; background: rgba(255,255,255,.08); border-radius: 999px; overflow: hidden; margin: 16px 0 10px; }
.progress-fill { height: 100%; width: 0; background: linear-gradient(90deg, var(--violet), var(--teal)); border-radius: 999px; transition: width .3s ease; }
.assessment-nav { display: grid; gap: 8px; margin-top: 22px; }
.assessment-nav button { border: 0; background: transparent; color: var(--text-faint); padding: 10px 0; text-align: left; cursor: pointer; font-weight: 680; }
.assessment-nav button.active { color: white; }
.question-panel { display: none; }
.question-panel.active { display: block; animation: fadeIn .24s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
.question-card { padding: 34px; }
.question-number { font-size: 11px; letter-spacing: .14em; text-transform: uppercase; font-weight: 850; color: var(--text-faint); }
.question-card h2 { font-size: clamp(1.7rem, 3vw, 2.5rem); max-width: 770px; margin: 13px 0 10px; }
.question-help { color: var(--text-soft); margin-bottom: 28px; }
.option-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.option { position: relative; }
.option input { position: absolute; opacity: 0; pointer-events: none; }
.option label { display: flex; min-height: 72px; align-items: center; padding: 16px 18px; border: 1px solid var(--border); border-radius: 15px; background: rgba(255,255,255,.03); color: var(--text-soft); cursor: pointer; transition: .2s ease; }
.option input:checked + label { color: white; border-color: rgba(157,124,255,.5); background: rgba(157,124,255,.12); box-shadow: inset 0 0 0 1px rgba(157,124,255,.12); }
.question-actions { display: flex; justify-content: space-between; gap: 14px; margin-top: 28px; }
.big-range { display: grid; gap: 16px; margin: 30px 0; }
.big-range input { width: 100%; }
.range-labels { display: flex; justify-content: space-between; color: var(--text-faint); font-size: 12px; }
.result-panel { display: none; }
.result-panel.active { display: block; }
.result-summary { display: grid; grid-template-columns: minmax(280px, .75fr) 1fr; gap: 28px; }
.result-narrative { color: var(--text-soft); }
.result-list { display: grid; gap: 12px; margin-top: 22px; }
.result-item { display: grid; grid-template-columns: 180px 1fr; gap: 16px; padding: 15px 0; border-bottom: 1px solid var(--border); }
.result-item strong { color: white; }

.research-list { display: grid; gap: 12px; }
.research-item { display: grid; grid-template-columns: 130px 1fr auto; gap: 24px; align-items: center; border: 1px solid var(--border); border-radius: 16px; background: rgba(255,255,255,.03); padding: 20px 22px; }
.research-item .status-pill { justify-self: end; }
.status-pill { display: inline-flex; padding: 6px 9px; border-radius: 999px; font-size: 11px; text-transform: uppercase; letter-spacing: .1em; font-weight: 850; border: 1px solid var(--border); }
.status-pill.foundation { color: #a7efb7; background: rgba(115,223,145,.08); border-color: rgba(115,223,145,.25); }
.status-pill.synthesis { color: #d8ccff; background: rgba(157,124,255,.08); border-color: rgba(157,124,255,.28); }
.status-pill.proposed { color: #ffe29b; background: rgba(243,198,95,.08); border-color: rgba(243,198,95,.25); }

.cta-panel { display: grid; grid-template-columns: 1fr auto; gap: 32px; align-items: center; padding: 42px; border-radius: var(--radius-lg); border: 1px solid var(--border); background: linear-gradient(120deg, rgba(157,124,255,.14), rgba(67,215,194,.06)); }
.cta-panel h2 { font-size: clamp(1.8rem, 3vw, 3rem); margin-bottom: 10px; }
.cta-panel p { margin: 0; color: var(--text-soft); }

.site-footer { border-top: 1px solid var(--border); padding: 58px 0 34px; background: rgba(5,12,22,.6); }
.footer-grid { display: grid; grid-template-columns: 1.5fr repeat(3, 1fr); gap: 46px; }
.footer-brand p { color: var(--text-faint); max-width: 410px; margin-top: 18px; }
.footer-col h4 { color: white; margin-bottom: 14px; }
.footer-col a { display: block; color: var(--text-faint); font-size: 14px; margin: 9px 0; }
.footer-col a:hover { color: white; }
.footer-bottom { margin-top: 44px; padding-top: 22px; border-top: 1px solid var(--border); display: flex; justify-content: space-between; gap: 24px; color: var(--text-faint); font-size: 12px; }

.reveal { opacity: 0; transform: translateY(18px); transition: .65s cubic-bezier(.2,.65,.2,1); }
.reveal.visible { opacity: 1; transform: none; }

@media (max-width: 1050px) {
  .hero-grid, .page-hero-grid { grid-template-columns: 1fr; }
  .hero { min-height: auto; }
  .hero-copy { max-width: 900px; }
  .hero-visual { min-height: 470px; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .assessment-shell { grid-template-columns: 1fr; }
  .profile-card { min-height: 380px; }
  .explorer-stage { grid-template-columns: 1fr; }
  .explorer-visual { min-height: 280px; }
  .assessment-layout { grid-template-columns: 1fr; }
  .assessment-sidebar { position: static; }
  .result-summary { grid-template-columns: 1fr; }
}

@media (max-width: 820px) {
  :root { --nav-height: 68px; }
  .container { width: min(calc(100% - 28px), var(--container)); }
  .section { padding: 78px 0; }
  .nav-toggle { display: flex; position: relative; }
  .nav-links {
    position: fixed; top: var(--nav-height); left: 14px; right: 14px; display: none; padding: 14px;
    border: 1px solid var(--border); border-radius: 18px; background: rgba(10,21,36,.98); box-shadow: var(--shadow);
  }
  .nav-links.open { display: grid; }
  .nav-links a { padding: 13px 14px; }
  .nav-cta { margin-left: 0; margin-top: 5px; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .principle-band { grid-template-columns: 1fr; }
  .principle + .principle { border-left: 0; border-top: 1px solid var(--border); }
  .section-head { display: block; }
  .section-head .btn { margin-top: 22px; }
  .letter-domain { grid-template-columns: 58px 1fr; }
  .letter-domain .arrow { display: none; }
  .explorer { grid-template-columns: 1fr; }
  .explorer-tabs { display: flex; overflow-x: auto; padding-bottom: 7px; scroll-snap-type: x proximity; }
  .explorer-tab { min-width: max-content; scroll-snap-align: start; }
  .cta-panel { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .research-item { grid-template-columns: 1fr; gap: 8px; }
  .research-item .status-pill { justify-self: start; }
}

@media (max-width: 600px) {
  h1 { font-size: clamp(2.8rem, 15vw, 4.6rem); }
  h2 { font-size: clamp(2rem, 10vw, 3rem); }
  .hero { padding-top: 58px; }
  .hero-visual { min-height: 390px; }
  .hero-note { position: relative; right: auto; bottom: auto; margin: -28px auto 0; }
  .hero-meta { display: grid; gap: 10px; }
  .grid-4 { grid-template-columns: 1fr; }
  .suite-card { min-height: 280px; }
  .control-row { grid-template-columns: 1fr; }
  .range-wrap { min-width: 0; width: 100%; }
  .range-wrap input { width: 100%; }
  .letter-domain { padding: 18px; }
  .page-hero { padding-top: 62px; }
  .page-hero h1 { font-size: clamp(3.2rem, 18vw, 5rem); }
  .option-grid { grid-template-columns: 1fr; }
  .question-card { padding: 24px 20px; }
  .question-actions { flex-direction: column-reverse; }
  .question-actions .btn { width: 100%; }
  .result-item { grid-template-columns: 1fr; gap: 4px; }
  .status-row { grid-template-columns: 1fr; gap: 10px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  .reveal { opacity: 1; transform: none; }
}

@media print {
  .reveal { opacity: 1 !important; transform: none !important; }
  .site-header { position: static; }
  .nav-toggle { display: none !important; }
  body { background: #07111f !important; }
}