:root {
  color-scheme: dark;
  --bg: #07111f;
  --panel: #0d1b2d;
  --border: #24405d;
  --text: #f7fafc;
  --muted: #a9bdd1;
  --teal: #2dd4bf;
  --cyan: #38bdf8;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}
a { color: inherit; }
.hero { background: radial-gradient(circle at 85% 20%, #123c5d, transparent 38%), var(--bg); }
nav, main, section, footer { width: min(1180px, calc(100% - 40px)); margin-inline: auto; }
nav { height: 84px; display: flex; align-items: center; justify-content: space-between; }
.brand { display: flex; gap: 12px; align-items: center; font-weight: 750; text-decoration: none; }
.brand img { width: 38px; height: 38px; border-radius: 10px; }
.nav-links { display: flex; gap: 24px; }
.nav-links a, footer a { color: var(--muted); text-decoration: none; }
main { min-height: 660px; padding: 90px 0 110px; display: grid; grid-template-columns: 1fr 1fr; gap: 62px; align-items: center; }
.eyebrow { color: var(--teal); font-weight: 760; letter-spacing: .12em; font-size: .82rem; }
h1 { font-size: clamp(2.8rem, 5vw, 5rem); line-height: 1.02; letter-spacing: -.045em; margin: 18px 0 24px; }
h2 { font-size: clamp(2rem, 4vw, 3.4rem); line-height: 1.1; letter-spacing: -.035em; margin: 12px 0 18px; }
.lead, section > p { color: var(--muted); font-size: 1.15rem; }
.actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.button { padding: 12px 20px; border: 1px solid var(--border); border-radius: 12px; text-decoration: none; font-weight: 700; }
.button.primary { color: #042f2e; background: var(--teal); border-color: var(--teal); }
.button.secondary { background: #0d1b2d; }
.hero-image { width: 100%; border-radius: 22px; box-shadow: 0 28px 80px #0008; }
section { padding: 100px 0; }
.demo { text-align: center; }
.demo img, .demo video { margin-top: 30px; width: 100%; border: 1px solid var(--border); border-radius: 22px; box-shadow: 0 24px 70px #0008; }
.features { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.features article { min-height: 180px; padding: 26px; background: var(--panel); border: 1px solid var(--border); border-radius: 20px; }
.features strong, .features span { display: block; }
.features strong { color: var(--teal); font-size: 1.18rem; margin-bottom: 12px; }
.features span { color: var(--muted); }
.install { text-align: center; }
pre { text-align: left; overflow-x: auto; padding: 24px; background: #020817; border: 1px solid var(--border); border-radius: 16px; color: #7dd3fc; }
footer { padding: 36px 0 60px; border-top: 1px solid var(--border); color: var(--muted); display: flex; justify-content: space-between; gap: 24px; }
@media (max-width: 850px) {
  main { grid-template-columns: 1fr; padding-top: 48px; }
  .features { grid-template-columns: 1fr 1fr; }
  footer { flex-direction: column; }
}
@media (max-width: 540px) {
  nav { height: 72px; }
  .nav-links a:first-child { display: none; }
  .features { grid-template-columns: 1fr; }
}
