:root {
  color-scheme: dark;
  --bg: #07111f;
  --surface: #101d2f;
  --surface-2: #17263b;
  --text: #f6f8fb;
  --muted: #aab7c8;
  --accent: #ffb22e;
  --accent-dark: #1a1204;
  --line: rgba(255, 255, 255, 0.12);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

a { color: inherit; }

.hero {
  min-height: 72vh;
  background:
    radial-gradient(circle at 80% 15%, rgba(255, 178, 46, 0.2), transparent 28rem),
    linear-gradient(145deg, #07111f 20%, #10243e 100%);
  border-bottom: 1px solid var(--line);
}

.nav,
.hero-content,
.section,
footer {
  width: min(1120px, calc(100% - 2rem));
  margin-inline: auto;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 0;
}

.brand { font-weight: 800; text-decoration: none; }

.nav-links { display: flex; gap: 1.25rem; }
.nav-links a { color: var(--muted); text-decoration: none; }
.nav-links a:hover { color: var(--text); }

.hero-content { padding: 8rem 0 7rem; }

.eyebrow {
  margin: 0 0 0.75rem;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1,
h2,
h3 { line-height: 1.12; }

h1 {
  max-width: 900px;
  margin: 0;
  font-size: clamp(2.7rem, 7vw, 5.7rem);
  letter-spacing: -0.055em;
}

h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.2rem);
  letter-spacing: -0.035em;
}

h3 { margin-top: 0; }

.lede {
  max-width: 760px;
  margin: 1.75rem 0;
  color: var(--muted);
  font-size: 1.2rem;
}

.actions { display: flex; flex-wrap: wrap; gap: 0.8rem; }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.75rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: 0.7rem;
  font-weight: 750;
  text-decoration: none;
}

.button.primary { background: var(--accent); color: var(--accent-dark); border-color: var(--accent); }
.button.secondary { background: rgba(255, 255, 255, 0.06); }
.button:hover { transform: translateY(-1px); }

.safety { margin-top: 1.2rem; color: var(--muted); font-size: 0.92rem; }

.section { padding: 6rem 0; }
.section-heading { max-width: 760px; margin-bottom: 2.2rem; }

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.card {
  min-height: 12rem;
  padding: 1.5rem;
  background: linear-gradient(145deg, var(--surface), var(--surface-2));
  border: 1px solid var(--line);
  border-radius: 1rem;
}

.card p,
.quick-start p,
.contribute p { color: var(--muted); }

.quick-start,
.contribute {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 3rem;
  border-top: 1px solid var(--line);
}

pre {
  overflow-x: auto;
  margin: 0;
  padding: 1.5rem;
  background: #030913;
  border: 1px solid var(--line);
  border-radius: 1rem;
  color: #d8e2f0;
}

.contribute { grid-template-columns: 1fr auto; }

footer {
  padding: 2rem 0 3rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

@media (max-width: 760px) {
  .nav-links { display: none; }
  .hero-content { padding: 5rem 0; }
  .cards { grid-template-columns: 1fr; }
  .quick-start,
  .contribute { grid-template-columns: 1fr; gap: 1.5rem; }
  .contribute .button { width: 100%; }
}