:root {
  --ink: #141414;
  --paper: #f4f0e8;
  --acid: #d8ff57;
  --muted: #6d6a63;
  --line: #c9c3b8;
  --card: #fffdf8;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  overflow-x: hidden;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
a { color: inherit; }
button { font: inherit; }

.hero {
  min-height: 720px;
  padding: 28px max(24px, calc((100vw - 1180px) / 2));
  color: #f7f4ed;
  background:
    linear-gradient(115deg, rgba(216, 255, 87, .08), transparent 40%),
    repeating-linear-gradient(90deg, transparent 0 79px, rgba(255, 255, 255, .035) 80px),
    #141414;
}
nav { display: flex; align-items: center; justify-content: space-between; }
.brand { font: 700 18px/1 ui-monospace, SFMono-Regular, Consolas, monospace; text-decoration: none; }
.brand span { color: var(--acid); }
.repo-link { font-size: 14px; text-underline-offset: 5px; }
.hero-copy { max-width: 1000px; padding: 140px 0 100px; }
.eyebrow { margin: 0 0 22px; font: 700 12px/1.2 ui-monospace, SFMono-Regular, Consolas, monospace; letter-spacing: .14em; }
.hero h1 { margin: 0; font-size: clamp(54px, 8.2vw, 110px); line-height: .92; letter-spacing: -.06em; }
.hero h1 em { color: var(--acid); font-family: Georgia, serif; font-weight: 400; }
.intro { max-width: 760px; margin: 42px 0; color: #c9c6be; font-size: clamp(18px, 2.1vw, 24px); line-height: 1.55; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.button { padding: 14px 20px; border: 1px solid #65645e; text-decoration: none; font-weight: 700; font-size: 14px; }
.button.primary { color: #111; border-color: var(--acid); background: var(--acid); }
.button.secondary:hover { border-color: #eee; }

main { max-width: 1180px; margin: auto; padding: 0 24px; }
.principles { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--line); border-top: 0; }
.principles div { padding: 24px; border-right: 1px solid var(--line); }
.principles div:last-child { border-right: 0; }
.principles strong, .principles span { display: block; }
.principles strong { margin-bottom: 6px; font-size: 15px; }
.principles span { color: var(--muted); font-size: 13px; }

.catalog { padding: 120px 0; }
.section-heading { display: grid; grid-template-columns: 1.4fr 1fr; gap: 48px; align-items: end; margin-bottom: 44px; }
.section-heading h2, .clone h2 { margin: 0; font-family: Georgia, serif; font-size: clamp(42px, 6vw, 72px); font-weight: 400; letter-spacing: -.04em; }
.section-heading > p { margin: 0; color: var(--muted); font-size: 17px; line-height: 1.6; }

.road-card { display: grid; grid-template-columns: 80px 1fr 210px; gap: 34px; padding: 38px; border: 1px solid var(--ink); background: var(--card); box-shadow: 10px 10px 0 var(--ink); }
.road-card + .road-card { margin-top: 40px; }
.road-number { font: 700 15px ui-monospace, monospace; }
.tags { display: flex; gap: 8px; flex-wrap: wrap; }
.tags span { padding: 5px 8px; border: 1px solid var(--line); font: 700 10px ui-monospace, monospace; letter-spacing: .08em; }
.road-main h3 { margin: 20px 0; font: 700 clamp(30px, 4vw, 46px) ui-monospace, SFMono-Regular, Consolas, monospace; letter-spacing: -.05em; }
.road-main p { max-width: 700px; color: #45433e; font-size: 17px; line-height: 1.7; }
.road-main ul { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 24px; padding: 20px 0 0; list-style: none; }
.road-main li::before { content: "→ "; color: #718c00; font-weight: 800; }
.road-actions { display: flex; flex-direction: column; justify-content: space-between; align-items: stretch; gap: 12px; }
.road-actions a { padding: 12px; border: 1px solid var(--ink); background: var(--ink); color: #fff; text-align: center; text-decoration: none; font: 700 12px ui-monospace, monospace; }
.road-actions a.quiet { color: var(--ink); background: transparent; }
.road-actions a:hover, .terminal button:hover { transform: translate(-2px, -2px); }

.clone { display: grid; grid-template-columns: .9fr 1.1fr; gap: 64px; align-items: center; padding: 90px 0 120px; border-top: 1px solid var(--line); }
.clone-copy { max-width: 560px; margin: 26px 0 0; color: var(--muted); font-size: 17px; line-height: 1.7; }
.terminal { overflow: hidden; color: #e8e8e8; background: #171717; box-shadow: 10px 10px 0 var(--acid); }
.terminal-bar { display: flex; align-items: center; gap: 7px; padding: 12px 16px; border-bottom: 1px solid #383838; }
.terminal-bar i { width: 9px; height: 9px; border-radius: 50%; background: #666; }
.terminal-bar span { margin-left: auto; color: #8d8d8d; font: 11px ui-monospace, monospace; }
pre { overflow-x: auto; margin: 0; padding: 28px; font: 13px/1.9 ui-monospace, SFMono-Regular, Consolas, monospace; }
code span { color: var(--acid); }
.terminal button { width: 100%; padding: 13px 18px; border: 0; border-top: 1px solid #383838; color: var(--ink); background: var(--acid); font: 700 12px ui-monospace, monospace; cursor: pointer; }

footer { display: flex; justify-content: space-between; max-width: 1180px; margin: auto; padding: 30px 24px 48px; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; }

@media (max-width: 820px) {
  .hero { min-height: 620px; }
  .hero-copy { padding-top: 110px; }
  .principles { grid-template-columns: 1fr 1fr; }
  .principles div:nth-child(2) { border-right: 0; }
  .principles div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .section-heading, .clone { grid-template-columns: 1fr; }
  .road-card { grid-template-columns: 1fr; padding: 26px; }
  .road-main ul { grid-template-columns: 1fr; }
  .road-actions { flex-direction: row; flex-wrap: wrap; }
  .road-actions > * { flex: 1; min-width: 180px; }
}

@media (max-width: 600px) {
  .hero { min-height: 680px; }
  nav { align-items: flex-start; gap: 18px; }
  .repo-link { max-width: 130px; font-size: 12px; text-align: right; overflow-wrap: anywhere; }
  .hero-copy { min-width: 0; padding-top: 90px; }
  .hero h1 { max-width: 100%; font-size: clamp(43px, 13vw, 58px); line-height: .98; letter-spacing: -.045em; overflow-wrap: anywhere; }
  .hero h1 em { display: block; }
  .intro { font-size: 17px; }
  .principles { grid-template-columns: 1fr; }
  .principles div { border-right: 0; border-bottom: 1px solid var(--line); }
  .section-heading { gap: 20px; }
  .road-card { box-shadow: 6px 6px 0 var(--ink); }
  footer { flex-direction: column; gap: 12px; }
}