:root {
  color-scheme: dark;
  --ink: #eef4ef;
  --muted: #aebbb2;
  --surface: #111714;
  --surface-raised: #18211c;
  --line: #2d3a32;
  --lime: #b9f27c;
  --amber: #f5b65b;
  --paper: #f3f0e8;
  --paper-ink: #172019;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #0b0f0d;
  color: var(--ink);
  font-synthesis: none;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; background: radial-gradient(circle at 80% 8%, #233528 0, #0b0f0d 34rem); }
a { color: inherit; }
img, video { display: block; max-width: 100%; }

.site-header,
main,
footer {
  width: min(1180px, calc(100% - 40px));
  margin-inline: auto;
}

.site-header {
  min-height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(238, 244, 239, .14);
}

.brand { display: inline-flex; gap: 10px; align-items: center; font-weight: 750; text-decoration: none; letter-spacing: -.02em; }
.brand-mark { display: grid; place-items: center; width: 30px; height: 30px; color: #101510; background: var(--lime); border-radius: 7px 7px 7px 2px; font-family: ui-monospace, monospace; }
nav { display: flex; gap: 28px; }
nav a, footer a { color: var(--muted); text-decoration: none; font-size: .9rem; }
nav a:hover, footer a:hover { color: var(--ink); }

.hero {
  display: grid;
  grid-template-columns: minmax(0, .85fr) minmax(480px, 1.15fr);
  align-items: center;
  gap: 68px;
  min-height: 680px;
  padding: 72px 0 88px;
}

.eyebrow { margin: 0 0 20px; color: var(--lime); font: 700 .72rem/1.4 ui-monospace, SFMono-Regular, Consolas, monospace; letter-spacing: .14em; }
h1, h2, h3, p { margin-top: 0; }
h1 { margin-bottom: 24px; font-size: clamp(3rem, 6.6vw, 6.2rem); line-height: .94; letter-spacing: -.065em; max-width: 820px; }
.hero h1 { font-size: clamp(3.2rem, 5.5vw, 5.5rem); }
h2 { margin-bottom: 22px; font-size: clamp(2.2rem, 4vw, 4.2rem); line-height: 1; letter-spacing: -.05em; }
h3 { margin-bottom: 10px; font-size: 1.35rem; }
.lede { max-width: 620px; color: var(--muted); font-size: 1.17rem; line-height: 1.65; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.button { display: inline-flex; min-height: 50px; align-items: center; justify-content: center; padding: 0 20px; border: 1px solid var(--line); border-radius: 9px; font-weight: 720; text-decoration: none; transition: transform .16s ease, background .16s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: #0b0f0d; background: var(--lime); border-color: var(--lime); }
.button-secondary { background: rgba(255, 255, 255, .03); }
.button-light { color: var(--paper-ink); background: var(--paper); border-color: var(--paper); }
.microcopy { margin-top: 14px; color: #819087; font-size: .8rem; }

.hero-media, .diagram-card { margin: 0; padding: 10px; background: linear-gradient(145deg, rgba(185, 242, 124, .25), rgba(245, 182, 91, .06)); border: 1px solid var(--line); border-radius: 18px; box-shadow: 0 30px 80px rgba(0, 0, 0, .38); transform: rotate(1deg); }
.hero-media img, .diagram-card img { border-radius: 10px; }
figcaption { padding: 13px 6px 5px; color: var(--muted); font: .76rem/1.4 ui-monospace, monospace; }

.proof { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: center; padding: 120px 0; border-top: 1px solid var(--line); }
.capability-list { margin: 30px 0 0; padding: 0; list-style: none; }
.capability-list li { position: relative; padding: 15px 0 15px 34px; color: var(--muted); border-top: 1px solid var(--line); line-height: 1.5; }
.capability-list li::before { content: "↳"; position: absolute; left: 2px; color: var(--amber); font-family: ui-monospace, monospace; }
.diagram-card { transform: rotate(-1deg); }

.demo { padding: 110px 0; }
.section-heading { max-width: 700px; margin-bottom: 40px; }
.section-heading > p:not(.eyebrow), .download article p, .beta p { color: var(--muted); line-height: 1.6; }
.demo video { width: 100%; border: 1px solid var(--line); border-radius: 18px; background: #000; box-shadow: 0 30px 80px rgba(0, 0, 0, .38); }

.download { padding: 110px 0; border-top: 1px solid var(--line); }
.download-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.download article { min-height: 250px; padding: 28px; display: flex; flex-direction: column; background: var(--surface); border: 1px solid var(--line); border-radius: 14px; }
.download article .text-link { margin-top: auto; }
.platform { color: var(--amber) !important; font: 700 .7rem/1.4 ui-monospace, monospace; letter-spacing: .1em; }
.text-link, .checksum { color: var(--lime); font-weight: 700; text-decoration: none; }
.checksum { display: inline-block; margin-top: 24px; }

.beta { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; margin-bottom: 70px; padding: 60px; color: var(--paper-ink); background: var(--paper); border-radius: 18px; }
.beta .eyebrow { color: #52782f; }
.beta p { color: #47544a; }

footer { display: flex; justify-content: space-between; gap: 20px; padding: 30px 0 46px; color: var(--muted); border-top: 1px solid var(--line); font-size: .85rem; }
.footer-links { display: flex; gap: 20px; }
.policy { max-width: 800px; margin: 90px auto 140px; }
.policy h1 { font-size: clamp(3rem, 7vw, 5.6rem); }
.policy p { color: var(--muted); font-size: 1.06rem; line-height: 1.75; }

@media (max-width: 900px) {
  .hero, .proof, .beta { grid-template-columns: 1fr; }
  .hero { gap: 40px; padding-top: 70px; }
  .download-grid { grid-template-columns: 1fr; }
  .hero-media { transform: none; }
}

@media (max-width: 620px) {
  .site-header, main, footer { width: min(100% - 28px, 1180px); }
  .site-header nav { display: none; }
  .hero { min-height: auto; padding: 60px 0 80px; }
  .proof, .demo, .download { padding: 80px 0; }
  .beta { padding: 34px 24px; }
  footer { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .button { transition: none; }
}