:root {
  --bg: #080a0d;
  --panel: #10141a;
  --panel-2: #151b22;
  --text: #f4f6f8;
  --muted: #a7b0bd;
  --line: rgba(255,255,255,.11);
  --accent: #72f1b8;
  --accent-2: #86a8ff;
  --max: 1220px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: radial-gradient(circle at 20% 0%, rgba(114,241,184,.08), transparent 31%), var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
}
a { color: inherit; text-decoration: none; }
.noise { position: fixed; inset: 0; pointer-events: none; opacity: .035; 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='.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.6'/%3E%3C/svg%3E"); z-index: 5; }
.site-header {
  position: sticky; top: 0; z-index: 10;
  width: 100%; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center;
  gap: 28px; padding: 18px max(24px, calc((100vw - var(--max))/2));
  background: rgba(8,10,13,.82); backdrop-filter: blur(18px); border-bottom: 1px solid var(--line);
}
.brand { display: inline-flex; align-items: center; gap: 12px; font-weight: 700; }
.brand-mark { width: 34px; height: 34px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 10px; color: var(--accent); font-size: 12px; }
.site-header nav { display: flex; gap: 28px; color: var(--muted); font-size: 14px; }
.site-header nav a:hover { color: var(--text); }
.site-header > .button { justify-self: end; }
.section-shell { width: min(calc(100% - 48px), var(--max)); margin-inline: auto; }
.hero { padding: 120px 0 76px; }
.eyebrow { color: var(--accent); font-size: 12px; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
h1 { max-width: 1050px; margin: 22px 0 24px; font-size: clamp(52px, 8vw, 108px); line-height: .92; letter-spacing: -.055em; }
h2 { margin: 14px 0 0; font-size: clamp(34px, 5vw, 62px); line-height: 1; letter-spacing: -.04em; }
h3 { margin: 0; font-size: 26px; letter-spacing: -.025em; }
p { color: var(--muted); }
.hero-copy { max-width: 820px; font-size: clamp(19px, 2.2vw, 27px); line-height: 1.45; }
.hero-actions, .contact-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 34px; }
.button { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; padding: 0 20px; border-radius: 999px; background: var(--accent); color: #07100c; font-weight: 800; border: 1px solid var(--accent); transition: .2s ease; }
.button:hover { transform: translateY(-2px); box-shadow: 0 10px 30px rgba(114,241,184,.16); }
.button.ghost { background: transparent; color: var(--text); border-color: var(--line); }
.button.small { min-height: 38px; padding-inline: 16px; font-size: 13px; }
.proof-grid { margin-top: 78px; display: grid; grid-template-columns: repeat(4,1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.proof-card { padding: 30px 22px 30px 0; border-right: 1px solid var(--line); }
.proof-card:last-child { border-right: 0; padding-left: 22px; }
.proof-card + .proof-card { padding-left: 22px; }
.proof-card strong { display: block; font-size: 40px; letter-spacing: -.04em; }
.proof-card span { color: var(--muted); font-size: 14px; }
.manifesto { display: grid; grid-template-columns: 1.2fr .8fr; gap: 80px; padding: 90px 0; border-bottom: 1px solid var(--line); }
.manifesto p { font-size: 20px; align-self: end; margin: 0; }
.section-block { padding: 110px 0; }
.section-heading { display: flex; justify-content: space-between; align-items: end; gap: 60px; margin-bottom: 54px; }
.section-heading > p { max-width: 430px; margin: 0; font-size: 18px; }
.system-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 18px; }
.system-card { position: relative; min-height: 420px; padding: 34px; border: 1px solid var(--line); border-radius: 24px; background: linear-gradient(145deg, rgba(255,255,255,.035), rgba(255,255,255,.012)); overflow: hidden; }
.system-card.featured { grid-column: span 2; min-height: 470px; background: radial-gradient(circle at 90% 10%, rgba(134,168,255,.16), transparent 32%), linear-gradient(145deg, rgba(114,241,184,.07), rgba(255,255,255,.015)); }
.system-card p { max-width: 720px; }
.system-card ul { padding-left: 19px; color: #dfe5eb; }
.system-number { position: absolute; top: 24px; right: 28px; color: rgba(255,255,255,.18); font-size: 46px; font-weight: 800; }
.tag { display: inline-block; margin-bottom: 22px; padding: 6px 10px; border: 1px solid rgba(114,241,184,.25); border-radius: 999px; color: var(--accent); font-size: 10px; font-weight: 800; letter-spacing: .16em; }
.system-subtitle { margin-top: 4px; color: var(--accent); font-weight: 700; }
.tech { position: absolute; bottom: 28px; left: 34px; right: 34px; padding-top: 18px; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; }
.architecture { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.flow { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr auto 1fr; align-items: stretch; gap: 10px; }
.flow-step { min-height: 170px; padding: 22px; border: 1px solid var(--line); border-radius: 18px; background: var(--panel); }
.flow-step span { color: var(--accent); font-size: 11px; font-weight: 800; }
.flow-step strong { display: block; margin-top: 36px; }
.flow-step small { display: block; margin-top: 6px; color: var(--muted); }
.flow-arrow { align-self: center; color: var(--accent); }
.case-list { display: grid; gap: 18px; }
.case-study { padding: 38px; border: 1px solid var(--line); border-radius: 24px; background: var(--panel); }
.case-meta { color: var(--accent-2); font-size: 11px; font-weight: 800; letter-spacing: .14em; }
.case-study h3 { max-width: 850px; margin-top: 10px; font-size: 34px; }
.case-columns { display: grid; grid-template-columns: repeat(3,1fr); gap: 36px; margin-top: 36px; }
.case-columns h4 { margin-bottom: 8px; }
.case-columns p { margin: 0; }
.timeline { border-top: 1px solid var(--line); }
.timeline article { display: grid; grid-template-columns: 170px 1fr; gap: 50px; padding: 38px 0; border-bottom: 1px solid var(--line); }
.timeline-date { color: var(--accent); font-weight: 800; }
.role { margin: 4px 0 10px; color: #dfe5eb; font-weight: 700; }
.timeline p:last-child { max-width: 800px; }
.stack { border-bottom: 1px solid var(--line); }
.stack-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 18px; }
.stack-grid > div { padding: 28px; border: 1px solid var(--line); border-radius: 18px; }
.stack-grid h3 { font-size: 20px; }
.contact { display: grid; grid-template-columns: 1fr auto; align-items: end; gap: 60px; padding: 120px 0; }
.contact p { max-width: 700px; font-size: 20px; }
footer { display: flex; justify-content: space-between; gap: 30px; padding: 30px max(24px, calc((100vw - var(--max))/2)); color: var(--muted); border-top: 1px solid var(--line); font-size: 13px; }
@media (max-width: 900px) {
  .site-header { grid-template-columns: 1fr auto; }
  .site-header nav { display: none; }
  .proof-grid, .case-columns, .stack-grid { grid-template-columns: 1fr 1fr; }
  .manifesto, .contact { grid-template-columns: 1fr; gap: 34px; }
  .flow { grid-template-columns: 1fr; }
  .flow-arrow { transform: rotate(90deg); justify-self: center; }
  .system-card.featured { grid-column: auto; }
}
@media (max-width: 640px) {
  .brand-text { display: none; }
  .section-shell { width: min(calc(100% - 30px), var(--max)); }
  .hero { padding-top: 78px; }
  h1 { font-size: 54px; }
  .proof-grid, .system-grid, .case-columns, .stack-grid { grid-template-columns: 1fr; }
  .proof-card, .proof-card + .proof-card, .proof-card:last-child { padding: 22px 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .proof-card:last-child { border-bottom: 0; }
  .section-heading { display: block; }
  .section-heading > p { margin-top: 24px; }
  .system-card { min-height: auto; padding-bottom: 34px; }
  .tech { position: static; margin-top: 24px; }
  .timeline article { grid-template-columns: 1fr; gap: 10px; }
  footer { flex-direction: column; }
}
