:root {
  --bg: #0b1220;
  --bg-alt: #0f1829;
  --surface: #131e33;
  --surface-2: #182640;
  --border: #22314f;
  --text: #e6ecf5;
  --muted: #93a3bd;
  --accent: #34d399;
  --accent-ink: #052e1f;
  --accent-soft: rgba(52, 211, 153, .12);
  --warn: #fbbf24;
  --bad: #f87171;
  --radius: 14px;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 var(--sans);
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code { font-family: var(--mono); font-size: .88em; background: var(--surface-2); padding: .1em .35em; border-radius: 5px; }
pre code { background: none; padding: 0; }
h1, h2, h3 { line-height: 1.2; margin: 0 0 .5em; letter-spacing: -.02em; }
p { margin: 0 0 1em; }

.wrap { width: min(1120px, 100% - 32px); margin-inline: auto; }
.muted { color: var(--muted); }

/* Nav */
.nav {
  position: sticky; top: 0; z-index: 10;
  background: rgba(11, 18, 32, .85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.nav__inner { display: flex; align-items: center; gap: 24px; height: 64px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--text); font-weight: 700; }
.brand:hover { text-decoration: none; }
.nav__links { display: flex; gap: 22px; margin-left: auto; }
.nav__links a { color: var(--muted); font-size: .95rem; }
.nav__links a:hover { color: var(--text); text-decoration: none; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 20px; border-radius: 10px; font-weight: 600;
  border: 1px solid transparent; transition: transform .15s, background .15s, border-color .15s;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn--primary { background: var(--accent); color: var(--accent-ink); }
.btn--primary:hover { background: #4ee2ab; }
.btn--ghost { color: var(--text); border-color: var(--border); background: var(--surface); }
.btn--ghost:hover { border-color: #33476f; }
.btn--sm { padding: 7px 12px; font-size: .9rem; }
.btn--block { width: 100%; margin-top: 8px; }

/* Hero */
.hero {
  padding: 88px 0 96px;
  background:
    radial-gradient(900px 400px at 85% -10%, rgba(52, 211, 153, .14), transparent 60%),
    radial-gradient(700px 400px at -10% 110%, rgba(56, 132, 255, .10), transparent 60%);
}
.hero__grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items: center; }
.hero h1 { font-size: clamp(2.1rem, 4.4vw, 3.3rem); font-weight: 800; }
.hero h1 em { font-style: normal; color: var(--accent); }
.lead { font-size: 1.15rem; color: var(--muted); max-width: 36em; }
.pill {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 12px; border-radius: 999px; font-size: .88rem;
  background: var(--accent-soft); color: #a7f3d0; border: 1px solid rgba(52, 211, 153, .25);
}
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px rgba(52, 211, 153, .2); }
.cta { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0 20px; }
.meta { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 8px 20px; color: var(--muted); font-size: .9rem; }
.meta li::before { content: "✓ "; color: var(--accent); }

/* Terminal */
.terminal {
  background: #070c16; border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: 0 30px 60px -20px rgba(0, 0, 0, .6); overflow: hidden;
}
.terminal__bar { display: flex; align-items: center; gap: 6px; padding: 10px 14px; background: var(--surface); border-bottom: 1px solid var(--border); }
.terminal__bar span { width: 11px; height: 11px; border-radius: 50%; background: #2b3b5c; }
.terminal__bar em { margin-left: 8px; font: .8rem var(--mono); color: var(--muted); font-style: normal; }
.terminal pre { margin: 0; padding: 18px; overflow-x: auto; font: .78rem/1.9 var(--mono); color: #cbd5e1; }
.c-mute { color: #5b6b86; }
.c-ok { color: var(--accent); }
.c-warn { color: var(--warn); }
.c-bad { color: var(--bad); font-weight: 600; }
.cursor { display: inline-block; width: 8px; height: 1em; background: var(--accent); vertical-align: -2px; margin-left: 4px; animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* Sections */
.section { padding: 96px 0; }
.section--alt { background: var(--bg-alt); border-block: 1px solid var(--border); }
.section__head { max-width: 680px; margin-bottom: 44px; }
.section__head h2, .two-col h2 { font-size: clamp(1.7rem, 3vw, 2.3rem); font-weight: 800; }
.section__head p { color: var(--muted); font-size: 1.05rem; }
.eyebrow { font: 600 .8rem var(--mono); text-transform: uppercase; letter-spacing: .12em; color: var(--accent); margin-bottom: 10px; }

.grid { display: grid; gap: 18px; }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--docs { grid-template-columns: repeat(3, 1fr); gap: 14px; }

.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 24px; transition: border-color .15s, transform .15s;
}
.card h3 { font-size: 1.08rem; }
.card p { color: var(--muted); font-size: .95rem; margin: 0; }
.card__icon {
  width: 40px; height: 40px; border-radius: 10px; display: grid; place-items: center;
  background: var(--accent-soft); color: var(--accent); font-size: 1.2rem; margin-bottom: 16px;
}
.card--link { color: var(--text); display: flex; flex-direction: column; }
.card--link:hover { text-decoration: none; border-color: rgba(52, 211, 153, .5); transform: translateY(-2px); }
.card--link p { flex: 1; margin-bottom: 16px; }
.more { color: var(--accent); font-weight: 600; font-size: .92rem; }

/* Layers */
.layers { list-style: none; padding: 0; margin: 0 0 40px; display: grid; gap: 12px; counter-reset: none; }
.layer {
  display: grid; grid-template-columns: 110px 1fr auto; gap: 24px; align-items: center;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px 24px;
  position: relative;
}
.layer + .layer::before {
  content: ""; position: absolute; left: 78px; top: -13px; width: 2px; height: 12px; background: var(--border);
}
.layer h3 { font-size: 1.05rem; margin-bottom: .3em; }
.layer p { margin: 0; color: var(--muted); font-size: .95rem; }
.layer__tag { font: 600 .85rem var(--mono); color: var(--accent); background: var(--accent-soft); padding: 6px 10px; border-radius: 8px; text-align: center; }
.layer__time { font: .85rem var(--mono); color: var(--muted); white-space: nowrap; }

.score { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; }
.score h3 { font-size: 1rem; margin-bottom: 16px; }
.score__bar { display: flex; border-radius: 10px; overflow: hidden; font: 600 .82rem var(--mono); }
.score__bar span { flex: var(--w) 1 0; padding: 12px 10px; min-width: 0; color: #06101f; }
.score__bar small { display: block; font: 500 .75rem var(--sans); opacity: .8; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.s0 { background: #475569; color: #e2e8f0 !important; }
.s1 { background: #7dd3fc; }
.s2 { background: var(--warn); }
.s3 { background: #fb923c; }
.s4 { background: var(--bad); }

/* Install */
.two-col { display: grid; grid-template-columns: 1.3fr 1fr; gap: 56px; align-items: start; }
.steps { padding-left: 0; list-style: none; counter-reset: s; margin: 24px 0; }
.steps li { counter-increment: s; position: relative; padding: 0 0 18px 48px; }
.steps li::before {
  content: counter(s); position: absolute; left: 0; top: -2px;
  width: 32px; height: 32px; border-radius: 50%; display: grid; place-items: center;
  background: var(--surface-2); border: 1px solid var(--border); font: 600 .9rem var(--mono); color: var(--accent);
}
.note { background: var(--surface); border-left: 3px solid var(--warn); padding: 14px 16px; border-radius: 8px; color: var(--muted); font-size: .95rem; }
.req { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; }
.req h3 { font-size: 1.05rem; }
.req table { width: 100%; border-collapse: collapse; margin-bottom: 14px; font-size: .95rem; }
.req th, .req td { text-align: left; padding: 9px 6px; border-bottom: 1px solid var(--border); }
.req th { color: var(--muted); font-weight: 500; font-size: .85rem; }
.req td:first-child { font-weight: 600; }
.link-small { display: block; text-align: center; margin-top: 12px; font-size: .9rem; }

/* Docs */
.doc {
  display: block; padding: 18px 20px; border-radius: 12px; color: var(--text);
  background: var(--surface); border: 1px solid var(--border); transition: border-color .15s;
}
.doc:hover { text-decoration: none; border-color: rgba(52, 211, 153, .5); }
.doc strong { display: block; margin-bottom: 4px; }
.doc strong::after { content: " ↗"; color: var(--muted); font-weight: 400; }
.doc span { color: var(--muted); font-size: .9rem; }

/* Dev */
.dev { margin-top: 36px; }
.dev pre {
  margin: 0; background: #070c16; border: 1px solid var(--border); border-radius: 12px;
  padding: 18px; overflow-x: auto; font: .88rem/1.8 var(--mono); color: #cbd5e1;
}

/* Footer */
.footer { border-top: 1px solid var(--border); padding: 40px 0; }
.footer__inner { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; align-items: center; }
.footer p { margin: 8px 0 0; font-size: .9rem; }
.footer nav { display: flex; gap: 20px; flex-wrap: wrap; }
.footer nav a { color: var(--muted); font-size: .92rem; }

/* Responsive */
@media (max-width: 960px) {
  .hero__grid, .two-col { grid-template-columns: 1fr; gap: 40px; }
  .grid--3, .grid--docs { grid-template-columns: repeat(2, 1fr); }
  .nav__links { display: none; }
  .nav__inner .btn { margin-left: auto; }
}
@media (max-width: 620px) {
  .hero { padding: 56px 0 64px; }
  .section { padding: 64px 0; }
  .grid--3, .grid--docs { grid-template-columns: 1fr; }
  .layer { grid-template-columns: 1fr; gap: 10px; }
  .layer__tag { justify-self: start; }
  .layer + .layer::before { display: none; }
  .score__bar { flex-direction: column; }
  .score__bar span { flex: none; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .cursor { animation: none; }
  .btn, .card, .doc { transition: none; }
}