:root {
  --bg: #080a10;
  --bg-soft: #0d111b;
  --panel: #121827;
  --panel-2: #171f31;
  --ink: #f4f7ff;
  --muted: #9ba8bd;
  --dim: #6d7a90;
  --line: rgba(255,255,255,.11);
  --blue: #4b7bf5;
  --blue-2: #89a8ff;
  --cyan: #79e2d2;
  --violet: #8268f6;
  --light: #edf1f8;
  --dark-ink: #10131a;
  --display: 'Inter', system-ui, sans-serif;
  --mono: 'JetBrains Mono', monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--display); font-size: 16px; overflow-x: hidden; }
body::before { content: ""; position: fixed; inset: 0; pointer-events: none; opacity: .025; z-index: 20; background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.8'/%3E%3C/svg%3E"); }
a { color: inherit; }
.shell { width: min(100% - 80px, 1440px); margin-inline: auto; }
.section-pad { padding-block: 140px; }

.site-header { width: min(100% - 80px, 1440px); height: 88px; margin-inline: auto; display: flex; align-items: center; justify-content: space-between; position: relative; z-index: 10; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; font-size: 19px; font-weight: 600; letter-spacing: -.02em; }
.brand img { width: 38px; height: 38px; }
.site-header nav { display: flex; align-items: center; gap: 32px; color: #aab6c9; font-size: 13px; }
.site-header nav a { text-decoration: none; transition: color .2s ease; }
.site-header nav a:hover { color: white; }
.nav-cta { padding: 11px 17px; border: 1px solid rgba(137,168,255,.4); border-radius: 7px; color: white !important; background: rgba(75,123,245,.12); }
.nav-cta:hover { background: rgba(75,123,245,.25); }
.menu-toggle { display: none; color: white; border: 0; background: transparent; width: 42px; height: 42px; padding: 9px; }
.menu-toggle span { display: block; height: 1px; background: white; margin: 7px 0; }
.menu-toggle i { position: absolute; width: 1px; height: 1px; overflow: hidden; }

.hero { min-height: calc(100vh - 88px); display: grid; grid-template-columns: .92fr 1.08fr; gap: 65px; align-items: center; padding-block: 60px 100px; }
.eyebrow, .section-label { font-family: var(--mono); color: var(--blue-2); font-size: 10px; letter-spacing: .14em; text-transform: uppercase; }
.eyebrow { display: flex; align-items: center; gap: 10px; }
.eyebrow span { width: 7px; height: 7px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 18px rgba(121,226,210,.8); }
.hero h1 { font-size: clamp(60px, 6vw, 96px); line-height: .98; font-weight: 500; letter-spacing: -.055em; max-width: 760px; margin: 27px 0 26px; }
.hero h1 em { display: block; color: transparent; font-style: normal; background: linear-gradient(100deg, var(--cyan), #70b6ff 43%, #9c8bff); background-clip: text; -webkit-background-clip: text; }
.hero-copy > p { color: #aeb9ca; font-size: 17px; line-height: 1.7; max-width: 650px; }
.hero-actions { display: flex; gap: 12px; margin-top: 36px; }
.button { min-height: 49px; display: inline-flex; align-items: center; justify-content: center; gap: 20px; padding: 0 20px; border-radius: 7px; text-decoration: none; font-size: 12px; font-weight: 600; transition: transform .2s ease, background .2s ease, border-color .2s ease; }
.button:hover { transform: translateY(-2px); }
.button.primary { background: var(--blue); color: white; box-shadow: 0 12px 40px rgba(75,123,245,.24); }
.button.primary:hover { background: #5b88fa; }
.button.secondary { border: 1px solid var(--line); color: #c5cee0; }
.button.secondary:hover { border-color: rgba(255,255,255,.28); }
.proof-row { margin-top: 82px; padding-top: 26px; border-top: 1px solid var(--line); display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
.proof-row div { display: flex; flex-direction: column; gap: 7px; }
.proof-row b { font-family: var(--mono); color: #d5ddef; font-size: 8px; letter-spacing: .12em; }
.proof-row span { color: #6f7d92; font-size: 10px; }

.hero-visual { height: min(670px, 72vh); min-height: 570px; border: 1px solid rgba(137,168,255,.22); border-radius: 16px; background: radial-gradient(circle at 50% 46%, rgba(75,123,245,.19), transparent 28%), radial-gradient(circle at 80% 15%, rgba(130,104,246,.16), transparent 27%), linear-gradient(145deg,#0c111c,#0a0d15); position: relative; overflow: hidden; box-shadow: 0 30px 100px rgba(0,0,0,.34); }
.visual-grid, .cta-grid { position: absolute; inset: 0; opacity: .5; background-image: linear-gradient(rgba(137,168,255,.08) 1px, transparent 1px), linear-gradient(90deg, rgba(137,168,255,.08) 1px, transparent 1px); background-size: 52px 52px; mask-image: radial-gradient(circle at center, black, transparent 85%); }
.visual-head { position: absolute; top: 20px; left: 22px; right: 22px; display: flex; justify-content: space-between; font-family: var(--mono); font-size: 8px; letter-spacing: .12em; color: #7f8da5; }
.visual-head i { font-style: normal; color: var(--cyan); }
.graph-lines { position: absolute; inset: 8% 4% 5%; width: 92%; height: 87%; }
.graph-lines path, .graph-lines circle { fill: none; stroke: rgba(121,226,210,.35); stroke-width: 1; }
.graph-lines path { stroke-dasharray: 5 7; animation: dash 16s linear infinite; }
.graph-lines circle { stroke: rgba(137,168,255,.22); }
.graph-lines .dashed { stroke-dasharray: 3 8; }
@keyframes dash { to { stroke-dashoffset: -100; } }
.core-node { width: 150px; height: 150px; position: absolute; left: 50%; top: 48%; transform: translate(-50%,-50%); border-radius: 50%; display: flex; flex-direction: column; align-items: center; justify-content: center; background: radial-gradient(circle at 35% 25%, rgba(121,226,210,.2), rgba(75,123,245,.25) 42%, rgba(14,19,32,.95) 74%); border: 1px solid rgba(137,168,255,.48); box-shadow: 0 0 80px rgba(75,123,245,.28); z-index: 2; }
.core-node::before { content: ""; position: absolute; inset: -18px; border: 1px solid rgba(137,168,255,.14); border-radius: 50%; animation: breathe 4s ease-in-out infinite; }
@keyframes breathe { 50% { transform: scale(1.08); opacity: .35; } }
.core-node img { width: 51px; }
.core-node strong { font-size: 15px; margin-top: 3px; }
.core-node small { font-family: var(--mono); font-size: 6px; letter-spacing: .12em; color: #8fa0b8; margin-top: 4px; }
.graph-node { position: absolute; min-width: 136px; padding: 11px 12px; border: 1px solid rgba(137,168,255,.24); border-radius: 7px; background: rgba(14,20,33,.82); backdrop-filter: blur(10px); display: grid; grid-template-columns: 23px 1fr; gap: 3px 8px; z-index: 2; }
.graph-node span { color: var(--cyan); font-family: var(--mono); font-size: 7px; }
.graph-node b { font-size: 10px; font-weight: 500; }
.graph-node small { grid-column: 2; color: #66748a; font-size: 7px; text-transform: uppercase; letter-spacing: .08em; }
.node-a { left: 50%; top: 10%; transform: translateX(-50%); }.node-b { right: 4%; top: 25%; }.node-c { right: 7%; bottom: 14%; }.node-d { left: 7%; bottom: 14%; }.node-e { left: 4%; top: 25%; }
.visual-log { position: absolute; left: 28px; right: 28px; bottom: 21px; display: flex; justify-content: space-between; font-family: var(--mono); color: #64738a; font-size: 7px; letter-spacing: .14em; }

.signal { min-height: 68px; border-block: 1px solid var(--line); display: flex; align-items: center; justify-content: center; gap: 25px; color: #5f6c80; font-family: var(--mono); font-size: 8px; letter-spacing: .13em; overflow: hidden; }
.signal i { width: 4px; height: 4px; border-radius: 50%; background: var(--blue); }

.section-intro { display: grid; grid-template-columns: .32fr 1fr; gap: 60px; align-items: start; margin-bottom: 72px; }
.section-intro h2 { margin: 0; font-size: clamp(50px,5vw,76px); line-height: 1.06; letter-spacing: -.047em; font-weight: 500; max-width: 1050px; }
.section-intro h2 span, .trust-copy h2 span { color: #7d8ba2; }
.section-intro.split { grid-template-columns: 1fr .46fr; }
.section-intro.split > div h2 { margin-top: 17px; }
.section-intro.split > p { color: var(--muted); line-height: 1.7; margin: 28px 0 0; max-width: 500px; }
.problem-grid { display: grid; grid-template-columns: repeat(3,1fr); border-top: 1px solid var(--line); }
.problem-grid article { min-height: 300px; padding: 28px 34px 34px 0; border-right: 1px solid var(--line); position: relative; }
.problem-grid article + article { padding-left: 34px; }
.problem-grid article:last-child { border-right: 0; }
.problem-grid article > span { color: var(--blue-2); font-family: var(--mono); font-size: 9px; }
.problem-grid h3 { font-size: 26px; font-weight: 500; line-height: 1.2; letter-spacing: -.025em; margin: 96px 0 17px; max-width: 330px; }
.problem-grid p { color: #8694aa; line-height: 1.7; font-size: 13px; max-width: 360px; }

.loop-section { color: var(--dark-ink); background: var(--light); }
.loop-section .section-label { color: #456ee0; }.loop-section .section-intro h2 span { color: #6b7484; }.loop-section .section-intro p { color: #646e7f; }
.loop-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 1px; background: rgba(16,19,26,.12); border: 1px solid rgba(16,19,26,.12); }
.loop-grid article { min-height: 390px; padding: 26px; background: var(--light); position: relative; }
.loop-grid article > b { color: #7890d8; font-family: var(--mono); font-size: 9px; }
.loop-icon { width: 68px; height: 68px; display: grid; place-items: center; border: 1px solid rgba(75,123,245,.22); background: #e3e9f7; color: #456ee0; font-size: 24px; margin-top: 58px; }
.loop-grid h3 { font-size: 26px; margin: 29px 0 12px; font-weight: 500; }
.loop-grid p { color: #667184; font-size: 13px; line-height: 1.65; }
.loop-grid small { position: absolute; left: 26px; bottom: 25px; color: #7b8799; font-family: var(--mono); font-size: 7px; letter-spacing: .1em; }

.cap-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 13px; }
.cap-card { min-height: 410px; border-radius: 13px; padding: 30px; color: var(--dark-ink); background: #edf0f5; position: relative; overflow: hidden; }
.cap-card::after { content: ""; position: absolute; width: 220px; height: 220px; border: 1px solid rgba(75,123,245,.13); border-radius: 50%; right: -110px; top: -90px; }
.cap-wide { grid-column: span 2; min-height: 380px; background: linear-gradient(115deg,#e8edf8,#f1f4fa); }
.cap-dark { color: var(--ink); background: radial-gradient(circle at 82% 20%,rgba(75,123,245,.26),transparent 33%),#111724; }
.card-top { display: flex; justify-content: space-between; color: #68758a; font-family: var(--mono); font-size: 8px; letter-spacing: .11em; }
.cap-dark .card-top { color: #8290a8; }
.cap-card h3 { max-width: 790px; font-size: clamp(32px,3vw,48px); letter-spacing: -.04em; line-height: 1.08; font-weight: 500; margin: 68px 0 16px; }
.cap-card p { color: #657186; line-height: 1.68; font-size: 13px; max-width: 650px; }
.cap-dark p { color: #93a0b5; }
.lineage-demo { position: absolute; left: 30px; bottom: 31px; display: flex; align-items: center; gap: 11px; color: #526176; font-family: var(--mono); font-size: 8px; }
.lineage-demo span { padding: 8px 10px; border: 1px solid rgba(16,19,26,.12); background: rgba(255,255,255,.42); }.lineage-demo i { width: 45px; height: 1px; background: linear-gradient(90deg,#4b7bf5,#79e2d2); }
.status-list { position: absolute; bottom: 28px; left: 30px; right: 30px; display: grid; gap: 8px; }
.status-list span { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border: 1px solid rgba(255,255,255,.08); color: #a3afc1; font-size: 9px; }
.status-list i { width: 6px; height: 6px; border-radius: 50%; background: #8290a8; }.status-list .ok { background: var(--cyan); }.status-list .warn { background: #f5b85a; }
.artifact-tags { position: absolute; left: 30px; bottom: 28px; display: flex; gap: 7px; flex-wrap: wrap; }.artifact-tags span { padding: 7px 10px; border: 1px solid rgba(16,19,26,.12); color: #657186; font-family: var(--mono); font-size: 7px; }
.knowledge-meter { position: absolute; left: 30px; right: 30px; bottom: 30px; display: flex; gap: 8px; }.knowledge-meter span { height: 8px; flex: 1; background: #d4dbea; }.knowledge-meter span:nth-child(-n+4) { background: linear-gradient(90deg,#4b7bf5,#83a1f4); }

.trust-section { background: #0d121d; border-block: 1px solid var(--line); }
.trust-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 110px; align-items: start; }
.trust-copy h2 { font-size: clamp(47px,5vw,72px); letter-spacing: -.05em; line-height: 1.05; font-weight: 500; margin: 22px 0; }
.trust-copy p { color: #94a1b5; font-size: 15px; line-height: 1.75; max-width: 570px; }
.text-link { display: inline-flex; gap: 20px; color: #b9c4d6; text-decoration: none; font-size: 12px; padding-bottom: 8px; border-bottom: 1px solid #38445a; margin-top: 25px; }.text-link span { color: var(--cyan); }
.boundary-list { border-top: 1px solid var(--line); }
.boundary-list article { min-height: 135px; display: grid; grid-template-columns: 46px 1fr; gap: 24px; border-bottom: 1px solid var(--line); padding-block: 26px; }
.boundary-list article > span { color: var(--cyan); font-family: var(--mono); font-size: 9px; padding-top: 4px; }
.boundary-list b { font-size: 19px; font-weight: 500; }
.boundary-list p { color: #7d899c; line-height: 1.62; font-size: 12px; margin: 8px 0 0; }

.scenario-card { border: 1px solid rgba(137,168,255,.2); border-radius: 14px; background: radial-gradient(circle at 20% 20%,rgba(75,123,245,.15),transparent 30%),#0e1420; overflow: hidden; }
.scenario-question { padding: 48px; border-bottom: 1px solid var(--line); }
.scenario-question span { color: var(--cyan); font-family: var(--mono); font-size: 8px; letter-spacing: .13em; }
.scenario-question h3 { max-width: 980px; font-size: clamp(29px,3vw,44px); line-height: 1.25; font-weight: 400; letter-spacing: -.03em; margin: 20px 0 0; }
.scenario-flow { min-height: 185px; display: flex; align-items: center; justify-content: space-between; padding: 35px 48px; }
.scenario-flow div { display: flex; flex-direction: column; gap: 8px; }.scenario-flow div span { color: var(--blue-2); font-family: var(--mono); font-size: 8px; }.scenario-flow div b { font-size: 13px; font-weight: 500; }.scenario-flow div small { color: #68768c; font-size: 8px; text-transform: uppercase; letter-spacing: .07em; }.scenario-flow > i { color: #43506a; font-style: normal; }

.cta { padding-bottom: 90px; }
.cta-card { min-height: 430px; position: relative; overflow: hidden; border-radius: 16px; padding: 70px; display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 70px; background: radial-gradient(circle at 76% 24%,rgba(121,226,210,.22),transparent 22%),radial-gradient(circle at 20% 10%,rgba(75,123,245,.4),transparent 38%),linear-gradient(135deg,#1a2450,#162338 56%,#153a3b); }
.cta-card > div:not(.cta-grid), .cta-card > a { position: relative; z-index: 2; }.cta-card h2 { max-width: 950px; font-size: clamp(50px,5.5vw,82px); letter-spacing: -.055em; line-height: 1.02; font-weight: 500; margin: 18px 0 20px; }.cta-card p { color: #b8c5d7; line-height: 1.7; max-width: 700px; }.button.light { min-width: 220px; background: white; color: #10131a; }

.site-footer { min-height: 145px; border-top: 1px solid var(--line); display: grid; grid-template-columns: 1fr auto auto; gap: 60px; align-items: center; color: #778499; font-size: 10px; }
.footer-brand { display: flex; align-items: center; gap: 14px; }.footer-brand img { width: 35px; }.footer-brand div { display: flex; flex-direction: column; gap: 4px; }.footer-brand b { color: #cbd4e3; font-size: 13px; }.footer-links { display: flex; gap: 22px; }.footer-links a { text-decoration: none; }.footer-links a:hover { color: var(--cyan); }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity .75s ease, transform .75s ease; }.reveal.visible { opacity: 1; transform: none; }.delay-1 { transition-delay: .08s; }.delay-2 { transition-delay: .16s; }.delay-3 { transition-delay: .24s; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; }.reveal { opacity: 1; transform: none; transition: none; }.graph-lines path,.core-node::before { animation: none; } }

@media (max-width: 1080px) {
  .shell,.site-header { width: min(100% - 48px,1440px); }
  .hero { grid-template-columns: 1fr; }.hero-copy { max-width: 900px; }.hero-visual { height: 650px; }
  .section-intro { grid-template-columns: 1fr; gap: 22px; }.section-intro.split { grid-template-columns: 1fr; }.section-intro.split > p { margin-top: 0; }
  .loop-grid { grid-template-columns: repeat(2,1fr); }.trust-grid { grid-template-columns: 1fr; gap: 70px; }.scenario-flow { display: grid; grid-template-columns: 1fr 30px 1fr; gap: 25px; }.scenario-flow > i:nth-of-type(2) { display: none; }.cta-card { grid-template-columns: 1fr; }.site-footer { grid-template-columns: 1fr 1fr; }.footer-copy { grid-column: 2; }
}

@media (max-width: 760px) {
  .shell,.site-header { width: min(100% - 34px,1440px); }.section-pad { padding-block: 90px; }.site-header { height: 74px; }
  .menu-toggle { display: block; }.site-header nav { display: none; position: absolute; left: 0; right: 0; top: 68px; padding: 16px; border: 1px solid var(--line); border-radius: 10px; background: rgba(9,12,19,.98); flex-direction: column; align-items: stretch; gap: 4px; }.site-header nav.open { display: flex; }.site-header nav a { padding: 12px; }.nav-cta { text-align: center; }
  .hero { min-height: auto; padding-block: 70px 80px; gap: 50px; }.hero h1 { font-size: clamp(50px,14vw,70px); }.hero-copy > p { font-size: 15px; }.hero-actions { flex-direction: column; align-items: stretch; }.proof-row { grid-template-columns: 1fr; margin-top: 55px; }.proof-row div { display: grid; grid-template-columns: 120px 1fr; }
  .hero-visual { min-height: 520px; height: 520px; }.graph-node { min-width: 112px; padding: 8px; }.node-b { right: 2%; }.node-e { left: 2%; }.node-c { right: 3%; }.node-d { left: 3%; }.core-node { width: 125px; height: 125px; }
  .signal { justify-content: flex-start; padding-inline: 17px; }.signal span:nth-of-type(n+4),.signal i:nth-of-type(n+4) { display: none; }
  .section-intro h2 { font-size: 45px; }.problem-grid { grid-template-columns: 1fr; }.problem-grid article,.problem-grid article + article { min-height: 240px; padding: 25px 0; border-right: 0; border-bottom: 1px solid var(--line); }.problem-grid h3 { margin-top: 55px; }
  .loop-grid { grid-template-columns: 1fr; }.loop-grid article { min-height: 340px; }.cap-grid { grid-template-columns: 1fr; }.cap-wide { grid-column: auto; min-height: 470px; }.cap-card { min-height: 440px; }.lineage-demo { right: 25px; flex-wrap: wrap; }.lineage-demo i { width: 16px; }
  .trust-copy h2 { font-size: 46px; }.scenario-question { padding: 30px 24px; }.scenario-flow { display: grid; grid-template-columns: 1fr; padding: 30px 24px; }.scenario-flow > i { display: none; }.scenario-flow div { padding-bottom: 18px; border-bottom: 1px solid var(--line); }
  .cta-card { padding: 45px 25px; min-height: 560px; }.cta-card h2 { font-size: 47px; }.button.light { width: 100%; }.site-footer { grid-template-columns: 1fr; gap: 24px; padding-block: 35px; }.footer-links { flex-direction: column; gap: 10px; }.footer-copy { grid-column: auto; }
}

@media (max-width: 430px) {
  .hero-visual { min-height: 480px; height: 480px; }.visual-head { font-size: 6px; }.core-node { top: 49%; transform: translate(-50%,-50%) scale(.82); }.graph-node { min-width: 98px; }.graph-node b { font-size: 8px; }.node-a { top: 13%; }.node-b,.node-e { top: 28%; }.node-c,.node-d { bottom: 14%; }.visual-log { font-size: 6px; }
}