@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500;600&family=Manrope:wght@400;500;600;700&display=swap");

:root {
  --ink: #eef2f2;
  --muted: #9aa8aa;
  --paper: #0b1117;
  --panel: #111a21;
  --line: #27343b;
  --copper: #e4a050;
  --copper-light: #ffc774;
  --aqua: #8ec7ca;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --sans: "Manrope", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 70% 8%, rgba(142, 199, 202, 0.09), transparent 29rem),
    linear-gradient(rgba(255,255,255,.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.018) 1px, transparent 1px),
    var(--paper);
  background-size: auto, 48px 48px, 48px 48px, auto;
  font-family: var(--sans);
  line-height: 1.6;
}
a { color: inherit; }
.skip-link { position: absolute; left: -999px; }
.skip-link:focus { left: 1rem; top: 1rem; z-index: 20; background: var(--ink); color: var(--paper); padding: .6rem 1rem; }

.site-header, footer {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.site-header { height: 92px; gap: 1rem; border-bottom: 1px solid var(--line); }
.brand { min-width: 0; display: flex; gap: .78rem; align-items: center; text-decoration: none; font-weight: 700; letter-spacing: -.02em; }
.brand img { filter: drop-shadow(0 0 18px rgba(228,160,80,.18)); }
nav { flex-shrink: 0; display: flex; gap: 2rem; }
nav a { color: var(--muted); text-decoration: none; font: 500 .76rem var(--mono); text-transform: uppercase; letter-spacing: .08em; }
nav a:hover { color: var(--copper-light); }

main { overflow: hidden; }
.hero, .section { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
.hero { min-height: 720px; padding: 105px 0 120px; display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr); gap: clamp(3rem, 7vw, 7rem); align-items: center; }
.hero-copy, .proof-panel { min-width: 0; }
.eyebrow { margin: 0 0 1.4rem; color: var(--copper); font: 600 .72rem var(--mono); letter-spacing: .16em; }
h1, h2, h3, p { margin-top: 0; }
h1 { font-size: clamp(3.5rem, 7vw, 6.5rem); line-height: .98; letter-spacing: -.065em; margin-bottom: 2rem; }
h1 em { color: var(--copper-light); font-style: normal; }
.lede { max-width: 650px; color: #bcc6c7; font-size: clamp(1.05rem, 1.5vw, 1.25rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: .85rem; margin-top: 2.2rem; }
.button { display: inline-flex; justify-content: center; align-items: center; min-height: 48px; padding: .65rem 1.2rem; text-decoration: none; font: 600 .78rem var(--mono); letter-spacing: .04em; border: 1px solid var(--line); transition: transform .15s, background .15s, border-color .15s; }
.button:hover { transform: translateY(-2px); }
.primary { background: var(--copper); border-color: var(--copper); color: #17120d; }
.primary:hover { background: var(--copper-light); border-color: var(--copper-light); }
.secondary:hover { border-color: var(--aqua); color: var(--aqua); }
.availability { margin-top: 2rem; color: var(--muted); font: .72rem var(--mono); text-transform: uppercase; letter-spacing: .08em; }
.availability span { display: inline-block; width: 7px; height: 7px; margin-right: .55rem; border-radius: 50%; background: var(--aqua); box-shadow: 0 0 12px var(--aqua); }

.proof-panel { position: relative; border: 1px solid var(--line); background: rgba(17, 26, 33, .88); box-shadow: 24px 24px 0 rgba(0,0,0,.17); }
.proof-panel::before { content: ""; position: absolute; inset: -8px 8px 8px -8px; z-index: -1; border: 1px solid rgba(228,160,80,.34); }
.panel-bar, .commit { padding: 1rem 1.15rem; display: flex; justify-content: space-between; gap: 1rem; font: 500 .66rem var(--mono); letter-spacing: .08em; color: var(--muted); }
.panel-bar { border-bottom: 1px solid var(--line); }
.verified { color: var(--aqua); }
.trace { padding: 1.5rem 1.3rem; }
.trace-row { position: relative; display: grid; grid-template-columns: 38px 1fr; gap: 1rem; padding: .85rem 0; }
.trace-row:not(:last-child)::after { content: ""; position: absolute; left: 18px; top: 48px; bottom: -7px; width: 1px; background: var(--line); }
.node { width: 37px; height: 37px; display: grid; place-items: center; border: 1px solid var(--aqua); color: var(--aqua); font: .65rem var(--mono); }
.trace-row strong { display: block; font-size: .9rem; }
.trace-row small { color: var(--muted); font: .72rem var(--mono); }
.commit { border-top: 1px solid var(--line); }
.commit code { color: var(--copper-light); overflow-wrap: anywhere; }

.section { padding: 120px 0; border-top: 1px solid var(--line); }
.section-heading { max-width: 740px; margin-bottom: 4rem; }
.section-heading.compact { max-width: 800px; }
h2 { font-size: clamp(2.2rem, 4vw, 4rem); line-height: 1.08; letter-spacing: -.045em; margin-bottom: 1.25rem; }
.section-heading > p:last-child, .cta > p { color: var(--muted); font-size: 1.05rem; }
.component-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.component-grid article { min-height: 230px; padding: 1.6rem; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: rgba(17,26,33,.38); }
.component-grid span, .principle-list strong { color: var(--copper); font: .7rem var(--mono); }
.component-grid h3 { margin: 3.6rem 0 .7rem; font: 600 .92rem var(--mono); letter-spacing: .05em; }
.component-grid p { color: var(--muted); font-size: .9rem; }

.principle-list { border-top: 1px solid var(--line); }
.principle-list > div { display: grid; grid-template-columns: 70px 1fr 1.2fr; gap: 2rem; padding: 2rem 0; border-bottom: 1px solid var(--line); align-items: baseline; }
.principle-list h3 { font-size: 1.1rem; }
.principle-list p { color: var(--muted); }
.cta { text-align: center; display: flex; flex-direction: column; align-items: center; }
.cta img { margin-bottom: 2rem; }
.cta h2 { max-width: 800px; }
.cta > p:not(.eyebrow) { max-width: 620px; }
.cta .button { margin-top: 1.5rem; }

footer { min-height: 130px; border-top: 1px solid var(--line); color: var(--muted); font: .68rem var(--mono); }
.footer-brand { color: var(--ink); font-family: var(--sans); font-size: .88rem; }
footer p { margin: 0; }

@media (max-width: 850px) {
  nav a:not(:last-child) { display: none; }
  .hero { grid-template-columns: 1fr; padding-top: 70px; }
  .proof-panel { max-width: 620px; }
  .component-grid { grid-template-columns: repeat(2, 1fr); }
  .principle-list > div { grid-template-columns: 45px 1fr; gap: 1rem; }
  .principle-list p { grid-column: 2; }
  footer { flex-wrap: wrap; gap: 1rem; padding: 2rem 0; }
}
@media (max-width: 560px) {
  .site-header, footer, .hero, .section { width: min(100% - 28px, 1180px); }
  .brand span { font-size: .9rem; }
  nav { gap: .75rem; }
  h1 { font-size: 3.25rem; }
  .component-grid { grid-template-columns: 1fr; }
  .hero-actions .button { width: 100%; }
  footer { align-items: flex-start; flex-direction: column; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}