:root {
  color-scheme: dark;
  --bg: #080d18;
  --surface: #101827;
  --surface-2: #162235;
  --text: #e8f0fb;
  --muted: #94a6be;
  --line: #26364b;
  --cyan: #35d4ff;
  --green: #70f0b2;
  --violet: #a78bfa;
  --shadow: 0 24px 70px rgba(0, 0, 0, .32);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background:
    radial-gradient(circle at 12% -10%, rgba(53, 212, 255, .14), transparent 34rem),
    radial-gradient(circle at 92% 8%, rgba(167, 139, 250, .12), transparent 28rem),
    var(--bg);
  font: 16px/1.7 Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

a { color: var(--cyan); text-decoration: none; }
a:hover { color: #93e9ff; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  min-height: 72px;
  padding: .8rem max(1.25rem, calc((100vw - 1160px) / 2));
  border-bottom: 1px solid rgba(148, 166, 190, .16);
  background: rgba(8, 13, 24, .84);
  backdrop-filter: blur(18px);
}

.brand { display: flex; align-items: center; gap: .75rem; color: var(--text); font-weight: 760; }
.brand:hover { color: white; }
.brand small { color: var(--muted); font-weight: 520; }
.brand-mark {
  display: grid;
  place-items: center;
  width: 2.2rem;
  height: 2.2rem;
  border: 1px solid rgba(53, 212, 255, .45);
  border-radius: .7rem;
  color: #061019;
  background: linear-gradient(135deg, var(--green), var(--cyan));
  box-shadow: 0 0 26px rgba(53, 212, 255, .2);
  font-size: .8rem;
  letter-spacing: -.04em;
}

nav { display: flex; align-items: center; gap: 1.4rem; }
nav a { color: var(--muted); font-size: .9rem; font-weight: 620; }
.github-link { padding: .42rem .72rem; border: 1px solid var(--line); border-radius: .55rem; }

.page-shell { width: min(920px, calc(100% - 2.5rem)); margin: 0 auto; padding: 4rem 0 6rem; }
.home-shell { width: min(1160px, calc(100% - 2.5rem)); }

h1, h2, h3, h4 { color: #f8fbff; line-height: 1.2; letter-spacing: -.025em; }
h1 { margin: 0 0 1.25rem; font-size: clamp(2.5rem, 7vw, 5.4rem); }
h2 { margin-top: 3.4rem; padding-top: .5rem; font-size: clamp(1.6rem, 3vw, 2.2rem); }
h3 { margin-top: 2.2rem; font-size: 1.28rem; }
p, li { color: #c0ccdc; }
strong { color: #f5f8fc; }
hr { margin: 3rem 0; border: 0; border-top: 1px solid var(--line); }

pre {
  overflow-x: auto;
  padding: 1.15rem 1.3rem;
  border: 1px solid var(--line);
  border-radius: .8rem;
  background: #060b13;
  box-shadow: inset 0 1px rgba(255, 255, 255, .02);
}

code { color: #a9e7f7; font: .92em/1.55 "Cascadia Code", "SFMono-Regular", Consolas, monospace; }
:not(pre) > code { padding: .12rem .36rem; border: 1px solid rgba(53, 212, 255, .14); border-radius: .35rem; background: rgba(53, 212, 255, .07); }
blockquote { margin: 1.5rem 0; padding: .25rem 1.2rem; border-left: 3px solid var(--violet); background: rgba(167, 139, 250, .06); }
table { display: block; overflow-x: auto; width: 100%; border-collapse: collapse; }
th, td { padding: .7rem .85rem; border: 1px solid var(--line); text-align: left; }
th { background: var(--surface-2); }

.hero { padding: clamp(4rem, 9vw, 7.5rem) 0 4.5rem; }
.eyebrow { margin: 0 0 1rem; color: var(--green); font-size: .78rem; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
.hero h1 span { color: transparent; background: linear-gradient(110deg, var(--green), var(--cyan) 55%, var(--violet)); background-clip: text; }
.lede { max-width: 760px; margin: 0; color: var(--muted); font-size: clamp(1.08rem, 2vw, 1.32rem); }
.actions { display: flex; flex-wrap: wrap; gap: .8rem; margin: 2rem 0; }
.button { padding: .72rem 1rem; border: 1px solid var(--line); border-radius: .65rem; color: var(--text); background: var(--surface); font-weight: 700; }
.button.primary { border-color: transparent; color: #061019; background: linear-gradient(110deg, var(--green), var(--cyan)); }
.install { max-width: 680px; margin-top: 2rem; }

.feature-grid, .docs-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.card { padding: 1.4rem; border: 1px solid var(--line); border-radius: 1rem; background: linear-gradient(155deg, rgba(22, 34, 53, .9), rgba(10, 17, 29, .88)); box-shadow: var(--shadow); }
.card h3 { margin: 0 0 .55rem; }
.card p { margin: 0; color: var(--muted); }
.card .kicker { display: block; margin-bottom: .8rem; color: var(--green); font-size: .76rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.docs-grid { margin-top: 1.4rem; }
.docs-grid .card { transition: transform .18s ease, border-color .18s ease; }
.docs-grid .card:hover { transform: translateY(-3px); border-color: rgba(53, 212, 255, .5); }

footer { display: flex; justify-content: space-between; width: min(1160px, calc(100% - 2.5rem)); margin: 0 auto; padding: 1.8rem 0 2.5rem; border-top: 1px solid var(--line); color: var(--muted); font-size: .85rem; }

@media (max-width: 780px) {
  .site-header { align-items: flex-start; }
  nav { justify-content: flex-end; flex-wrap: wrap; gap: .55rem 1rem; }
  nav a:not(.github-link) { display: none; }
  .feature-grid, .docs-grid { grid-template-columns: 1fr; }
  .page-shell { padding-top: 2.7rem; }
  footer { flex-direction: column; gap: .35rem; }
}