:root {
  --bg: #11131a;
  --panel: #1a1d27;
  --panel-hi: #232838;
  --text: #f3f5fb;
  --muted: #aab2c5;
  --dim: #747d94;
  --accent: #7c83ff;
  --accent-hi: #b9bdff;
  --line: rgba(183, 190, 255, .16);
  --green: #69d39b;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Consolas, monospace;
  --display: "Syne", system-ui, sans-serif;
  --body: "IBM Plex Sans", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 80% -10%, rgba(124,131,255,.2), transparent 34rem),
    radial-gradient(circle at -10% 40%, rgba(61,215,176,.1), transparent 30rem),
    var(--bg);
  color: var(--text);
  font-family: var(--body);
  line-height: 1.6;
}
a { color: inherit; }
.shell { width: min(1120px, calc(100% - 2.5rem)); margin: auto; }
.topbar { display: flex; align-items: center; justify-content: space-between; padding: 1.25rem 0; }
.brand { display: inline-flex; align-items: center; gap: .75rem; text-decoration: none; font-family: var(--display); font-weight: 700; }
.brand img { width: 2rem; height: 2rem; border-radius: .65rem; }
.topnav { display: flex; gap: 1.1rem; color: var(--muted); font-size: .92rem; }
.topnav a { text-decoration: none; }
.topnav a:hover { color: var(--text); }
.hero { display: grid; grid-template-columns: 1.15fr .85fr; gap: 4rem; align-items: center; padding: 7rem 0 6rem; }
.eyebrow { color: var(--accent-hi); font: .78rem var(--mono); letter-spacing: .12em; text-transform: uppercase; }
h1, h2, h3 { font-family: var(--display); line-height: 1.08; }
h1 { max-width: 720px; margin: .9rem 0 1.25rem; font-size: clamp(3.2rem, 8vw, 6.5rem); letter-spacing: -.06em; }
.hero p { max-width: 640px; color: var(--muted); font-size: 1.15rem; }
.actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 2rem; }
.button { display: inline-flex; align-items: center; gap: .5rem; border: 1px solid var(--line); border-radius: .65rem; padding: .75rem 1rem; text-decoration: none; font-weight: 600; }
.button.primary { border-color: transparent; background: var(--accent); color: #11131a; }
.button:hover { transform: translateY(-1px); border-color: var(--accent-hi); }
.hero-card { border: 1px solid var(--line); border-radius: 1.25rem; padding: 1rem; background: linear-gradient(145deg, rgba(124,131,255,.18), rgba(26,29,39,.92)); box-shadow: 0 1.5rem 5rem rgba(0,0,0,.28); }
.hero-card img { display: block; width: 100%; border-radius: .8rem; }
.terminal { margin-top: 1rem; border-radius: .75rem; padding: 1rem; background: #0c0e13; color: var(--green); font: .82rem/1.8 var(--mono); }
.terminal span { color: var(--muted); }
.section { padding: 4rem 0; border-top: 1px solid var(--line); }
.section h2 { margin: 0 0 .75rem; font-size: clamp(2rem, 4vw, 3.2rem); }
.section-intro { max-width: 680px; color: var(--muted); }
.feature-grid, .link-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-top: 2rem; }
.card { border: 1px solid var(--line); border-radius: .9rem; padding: 1.25rem; background: rgba(26,29,39,.72); }
.card h3 { margin: 0 0 .5rem; font-size: 1.15rem; }
.card p { margin: 0; color: var(--muted); font-size: .95rem; }
.card a { color: var(--accent-hi); text-decoration: none; }
.install { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; align-items: stretch; margin-top: 2rem; }
.code { border-radius: .75rem; padding: 1.25rem; background: #0c0e13; color: #d8dcff; font: .85rem/1.8 var(--mono); overflow-x: auto; }
.code .prompt { color: var(--green); }
footer { padding: 2rem 0 3rem; color: var(--dim); font-size: .9rem; }
@media (max-width: 760px) {
  .topnav { display: none; }
  .hero, .install { grid-template-columns: 1fr; gap: 2rem; padding-top: 4rem; }
  .feature-grid, .link-grid { grid-template-columns: 1fr; }
  h1 { font-size: clamp(3rem, 17vw, 5rem); }
}