:root {
  --bg: #0A0B0D;
  --bg-2: #0E1012;
  --surface: #111316;
  --surface-2: #14171A;
  --surface-3: #16191D;
  --line: #1F2327;
  --line-2: #2A2E33;
  --line-3: #3A3F45;
  --text: #EDEEEA;
  --muted: #9BA1A6;
  --faint: #7C838A;
  --accent: #C8F169;
  --on-accent: #0A0B0D;
  --on-accent-muted: #1F2A10;
  --teal: #2F8A73;
  --teal-dark: #16302F;
  --green: #6DBE6C;
  --radius: 24px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Geist, Inter, system-ui, -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--text); }
a:hover { color: #fff; }
img, svg { display: block; max-width: 100%; }
h1, h2, h3, p { margin: 0; }
.fa { fill: var(--accent); }
.sa { stroke: var(--accent); }

.wrap { max-width: 1240px; margin: 0 auto; padding: 0 24px; }
.muted { color: var(--muted); }
.faint { color: var(--faint); }
.dim { color: var(--faint); }
.accent { color: var(--accent); }
.kicker { font-size: 15px; font-weight: 500; color: var(--accent); margin-bottom: 18px; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 16px; z-index: 10; background: var(--accent); color: var(--on-accent); padding: 10px 14px; border-radius: 8px; }

/* Nav */
.nav { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; padding-top: 22px; padding-bottom: 22px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 600; font-size: 18px; letter-spacing: -0.02em; }
.nav-links { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 30px; font-size: 15px; }
.nav-links a:not(.btn) { color: var(--muted); text-decoration: none; }
.nav-links a[aria-current="page"] { color: var(--text); }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: 10px; min-height: 54px; padding: 0 26px; border-radius: 999px; text-decoration: none; font-weight: 600; font-size: 16px; border: 0; cursor: pointer; font-family: inherit; }
.btn-sm { min-height: 44px; padding: 0 20px; font-size: 15px; }
.btn-primary { background: var(--accent); color: var(--on-accent); }
.btn-primary:hover { color: var(--on-accent); filter: brightness(1.08); }
.btn-light { background: var(--text); color: var(--on-accent); }
.btn-ghost { border: 1px solid var(--line-2); color: var(--text); font-weight: 500; background: transparent; }
.btn-ghost:hover { background: var(--surface-3); }
.btn-row { margin-top: 40px; display: flex; flex-wrap: wrap; gap: 14px; }

/* Type */
.display { font-weight: 600; font-size: clamp(42px, 5.2vw, 72px); line-height: 1; letter-spacing: -0.045em; }
.h2 { font-weight: 600; font-size: clamp(36px, 4.6vw, 60px); line-height: 1.02; letter-spacing: -0.04em; max-width: 860px; }
.h2-sm { font-weight: 600; font-size: clamp(28px, 3vw, 38px); line-height: 1.08; letter-spacing: -0.03em; }
.lede { margin-top: 28px; max-width: 540px; font-size: 19px; line-height: 1.5; color: var(--muted); }
.sub { margin-top: 22px; max-width: 580px; font-size: 18px; color: var(--muted); }
.h3 { font-size: 20px; font-weight: 600; letter-spacing: -0.02em; }

/* Layout */
.section { padding-top: 140px; }
.section-last { padding-bottom: 140px; }
.split { display: flex; flex-wrap: wrap; gap: 64px; align-items: center; }
.split > * { flex: 1 1 460px; min-width: 0; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 16px; }
.band { background: var(--bg-2); border-top: 1px solid #1A1D21; border-bottom: 1px solid #1A1D21; }
.band .wrap { padding-top: 130px; padding-bottom: 130px; }
.mt-56 { margin-top: 56px; }

/* Hero */
.hero { padding-top: 72px; padding-bottom: 60px; }
.plate-card { padding: 28px; border-radius: 28px; background: var(--surface); border: 1px solid #1D2025; }
.plate { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 8px; }
.plate span, .mini span, .dots span { display: block; aspect-ratio: 1 / 1; border-radius: 50%; }
.plate-legend { margin-top: 24px; display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 12px; font-size: 13px; color: var(--faint); }
.ramp { display: inline-block; width: 120px; height: 6px; border-radius: 3px; background: linear-gradient(90deg, #173845, #2F8A73, #6DBE6C, var(--accent)); vertical-align: middle; margin-right: 10px; }
.pulse { animation: rlpulse 3.2s ease-in-out infinite; }
@keyframes rlpulse { 0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(200, 241, 105, 0); } 50% { opacity: .55; box-shadow: 0 0 18px 2px rgba(200, 241, 105, .35); } }
@media (prefers-reduced-motion: reduce) { .pulse { animation: none; } html { scroll-behavior: auto; } }

/* Cards */
.card { border-radius: var(--radius); background: var(--surface); overflow: hidden; }
.card-accent { background: var(--surface-2); border: 1px solid var(--accent); }
.card-pad { padding: 36px 32px; }
.card-art { height: 170px; display: flex; align-items: center; justify-content: center; }
.card-art-lg { height: 200px; display: flex; align-items: center; justify-content: center; border-bottom: 1px solid var(--line); }
.card-body { padding: 0 28px 28px; }
.card-body-lg { padding: 32px 36px 36px; }
.card-body p, .card-pad p { margin-top: 8px; font-size: 15px; color: var(--muted); }
.card-lime { background: var(--accent); color: var(--on-accent); }
.card-lime p { color: var(--on-accent-muted); }
.mini { height: 170px; padding: 32px 36px; display: grid; grid-template-columns: repeat(8, minmax(0, 1fr)); gap: 7px; align-content: center; }
.path-title { font-size: 30px; font-weight: 600; line-height: 1.1; letter-spacing: -0.03em; }
.path-who { font-size: 15px; font-weight: 500; margin-bottom: 10px; }

/* Flow diagram */
.flow { margin-top: 72px; display: flex; flex-wrap: wrap; align-items: stretch; gap: 20px 0; }
.flow-col { flex: 1 1 260px; min-width: 0; padding: 28px; border-radius: 24px; background: var(--surface); }
.flow-core { flex: 1.2 1 300px; background: var(--surface-2); border: 1px solid var(--accent); box-shadow: 0 0 80px -20px rgba(200, 241, 105, .25); }
.flow-label { font-size: 14px; color: var(--faint); margin-bottom: 20px; }
.chip { display: flex; align-items: center; gap: 12px; padding: 12px 14px; border-radius: 12px; background: var(--surface-3); font-size: 15px; }
.chip + .chip { margin-top: 10px; }
.chip i { width: 8px; height: 8px; border-radius: 50%; background: var(--teal); flex: none; }
.check-row { display: flex; align-items: center; gap: 12px; padding: 11px 0; border-bottom: 1px solid var(--line); }
.check-row:last-child { border-bottom: 0; }
.conn { flex: 0 0 72px; display: flex; align-items: center; justify-content: center; }
@media (max-width: 900px) { .conn { display: none; } }

/* Trust */
.panel { padding: 48px; border-radius: 28px; background: var(--surface); display: flex; flex-wrap: wrap; gap: 40px 64px; }
.panel > h2 { flex: 1 1 280px; }
.checks { flex: 2 1 520px; min-width: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 22px 40px; }
.checks span { display: flex; gap: 12px; }
.checks svg { flex: none; margin-top: 2px; }

/* Link tiles */
.link-tile { display: flex; flex-direction: column; justify-content: space-between; gap: 56px; min-height: 300px; padding: 40px; border-radius: 28px; background: var(--surface); text-decoration: none; }
.link-tile:hover { background: #15181B; }
.link-tile .t { font-weight: 600; font-size: clamp(30px, 3.4vw, 44px); line-height: 1.04; letter-spacing: -0.035em; }

/* FAQ */
.faq { display: flex; flex-wrap: wrap; gap: 40px 64px; }
.faq > h2 { flex: 1 1 280px; }
.faq-list { flex: 2 1 560px; min-width: 0; }
details { padding: 22px 0; border-top: 1px solid var(--line); }
details:last-child { border-bottom: 1px solid var(--line); }
summary { cursor: pointer; font-size: 18px; font-weight: 500; }
details p { margin-top: 14px; color: var(--muted); }

/* CTA + forms */
.cta { padding: clamp(32px, 5vw, 72px); border-radius: 32px; background: var(--accent); color: var(--on-accent); display: flex; flex-wrap: wrap; gap: 48px; align-items: flex-end; }
.cta > div { flex: 1 1 380px; min-width: 0; }
.cta h2 { font-weight: 600; font-size: clamp(38px, 5vw, 66px); line-height: 0.98; letter-spacing: -0.045em; }
.cta p { margin-top: 20px; max-width: 440px; font-size: 18px; color: var(--on-accent-muted); }
.form { flex: 1 1 440px; min-width: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 12px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field.full, .form .full { grid-column: 1 / -1; }
.field label { font-size: 14px; font-weight: 600; }
.field input, .field select, .field textarea { min-height: 50px; padding: 0 16px; border: 0; border-radius: 14px; font: inherit; background: #fff; color: var(--on-accent); }
.field textarea { padding: 14px 16px; resize: vertical; }
.form .btn-dark { min-height: 52px; border: 0; border-radius: 14px; background: var(--on-accent); color: var(--text); font: inherit; font-weight: 600; cursor: pointer; }
.form .note { margin: 6px 0 0; font-size: 13px; color: var(--on-accent-muted); }
.hp { position: absolute; left: -9999px; }

/* Footer */
.footer { border-top: 1px solid #1A1D21; overflow: hidden; margin-top: 120px; }
.footer-top { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; padding-top: 40px; font-size: 14px; color: var(--faint); }
.footer-top nav { display: flex; flex-wrap: wrap; gap: 8px 28px; }
.footer-top a { color: var(--muted); text-decoration: none; }
.wordmark { padding-top: 24px; font-weight: 600; font-size: clamp(64px, 15vw, 210px); line-height: 0.82; letter-spacing: -0.06em; color: #5E656C; white-space: nowrap; }

/* Partner tracker */
.tracker { padding: 32px; border-radius: 28px; background: var(--surface); border: 1px solid #1D2025; }
.tracker-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding-bottom: 22px; margin-bottom: 26px; border-bottom: 1px solid var(--line); }
.badge { font-size: 13px; padding: 6px 12px; border-radius: 999px; background: #1C2A12; color: var(--accent); }
.avatar { display: flex; align-items: center; justify-content: center; width: 40px; height: 40px; border-radius: 12px; background: var(--teal-dark); color: var(--accent); font-weight: 600; }
.step { display: flex; gap: 18px; }
.step-rail { display: flex; flex-direction: column; align-items: center; }
.step-dot { width: 14px; height: 14px; border-radius: 50%; background: var(--line-2); }
.step-dot.done { background: var(--accent); }
.step-dot.now { background: var(--bg); border: 2px solid var(--accent); }
.step-line { flex: 1; width: 2px; min-height: 30px; background: var(--line-2); }
.step-line.done { background: var(--accent); }
.step-body { padding-bottom: 22px; }
.step-body b { display: block; font-weight: 500; line-height: 1.1; }
.step-body span { display: block; margin-top: 4px; font-size: 13px; color: var(--faint); }
.feature h3 { margin: 18px 0 8px; font-size: 19px; font-weight: 600; letter-spacing: -0.015em; }
.feature p { font-size: 15px; color: var(--muted); }

/* AI labs */
.rows { margin-top: 56px; border-top: 1px solid var(--line); }
.row { display: flex; flex-wrap: wrap; align-items: baseline; gap: 8px 40px; padding: 30px 0; border-bottom: 1px solid var(--line); }
.row h3 { flex: 0 0 260px; font-size: 30px; font-weight: 600; letter-spacing: -0.03em; }
.row p { flex: 1 1 380px; font-size: 17px; color: var(--muted); }
.tree { border-radius: 24px; background: var(--surface); border: 1px solid #1D2025; overflow: hidden; font-family: "Geist Mono", ui-monospace, monospace; font-size: 14px; }
.tree-bar { display: flex; gap: 8px; padding: 16px 22px; border-bottom: 1px solid var(--line); }
.tree-bar i { width: 10px; height: 10px; border-radius: 50%; background: var(--line-2); }
.tree-body { padding: 24px 22px; display: flex; flex-direction: column; gap: 12px; }
.tree-body div { display: flex; justify-content: space-between; gap: 16px; padding-left: 22px; }
.tree-body div:first-child { padding-left: 0; color: var(--accent); }
.tree-body span + span { color: var(--faint); }
.dots { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 7px; }
.dense-card { flex: 1 1 200px; min-width: 0; padding: 26px; border-radius: 24px; background: var(--surface); }
.timeline { margin-top: 96px; display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 40px 24px; }
.timeline > div { position: relative; padding-top: 30px; border-top: 1px solid var(--line-2); }
.timeline > div::before { content: ""; position: absolute; top: -6px; left: 0; width: 11px; height: 11px; border-radius: 50%; background: var(--accent); }
.timeline h3 { margin-bottom: 8px; font-size: 19px; font-weight: 600; }
.timeline p { font-size: 15px; color: var(--muted); }
.spec p { padding: 18px 0; border-top: 1px solid var(--line); }
.spec p:last-child { border-bottom: 1px solid var(--line); }
