:root {
  color-scheme: dark;
  --bg: #080a0d;
  --panel: rgba(17, 21, 26, 0.84);
  --line: rgba(220, 231, 235, 0.12);
  --muted: #87939d;
  --text: #eef3f2;
  --text-soft: #c9d4d3;
  --accent: #a4ffcf;
  --shadow: 0 22px 80px rgba(0, 0, 0, 0.45);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Geist", system-ui, -apple-system, sans-serif;
  background:
    radial-gradient(circle at 12% 8%, rgba(164, 255, 207, 0.16), transparent 32rem),
    radial-gradient(circle at 84% 14%, rgba(156, 200, 255, 0.12), transparent 28rem),
    linear-gradient(135deg, #080a0d 0%, #11151a 52%, #0b0d10 100%);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}

main { max-width: 960px; margin: 0 auto; padding: 28px 22px 80px; }

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(8, 10, 13, 0.6);
  backdrop-filter: blur(20px);
}

.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; }
.brand-mark {
  width: 13px; height: 13px; border-radius: 999px;
  background: var(--accent); box-shadow: 0 0 28px rgba(164, 255, 207, 0.8);
}
.nav a { color: var(--text-soft); text-decoration: none; font-size: 0.92rem; }
.nav a:hover { color: var(--text); }

.hero { padding: 90px 0 64px; }
.hero h1 {
  max-width: 900px;
  margin: 0;
  font-size: clamp(2.4rem, 5.4vw, 4.6rem);
  line-height: 1.02;
  letter-spacing: -0.01em;
}
.hero p {
  max-width: 640px;
  margin: 24px 0 0;
  color: var(--text-soft);
  font-size: 1.12rem;
  line-height: 1.6;
}

.install {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 36px;
}
code.cmd {
  display: inline-block;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(6, 8, 10, 0.7);
  padding: 14px 18px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.98rem;
  color: var(--accent);
}
.note { color: var(--muted); font-size: 0.86rem; }

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin-top: 72px;
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  background: var(--line);
  box-shadow: var(--shadow);
}
.cell { padding: 26px; background: rgba(13, 16, 20, 0.9); }
.cell h3 { margin: 0 0 10px; font-size: 1.05rem; }
.cell p { margin: 0; color: var(--text-soft); font-size: 0.92rem; line-height: 1.55; }

footer {
  margin-top: 72px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  color: var(--muted);
  font-size: 0.86rem;
}
footer a { color: var(--text-soft); text-decoration: none; }
footer a:hover { color: var(--text); }

.legal { max-width: 760px; }
.legal h1 { font-size: clamp(2rem, 4vw, 3rem); }
.legal h2 { margin-top: 34px; font-size: 1.2rem; }
.legal p, .legal li { color: var(--text-soft); line-height: 1.7; }
.legal a { color: var(--accent); }

@media (max-width: 760px) {
  .grid { grid-template-columns: 1fr; }
}