:root {
  color-scheme: dark;
  --ink: #edf0ff;
  --muted: #aab0ce;
  --navy: #090b1c;
  --surface: #121530;
  --line: #2d3158;
  --violet: #a78bfa;
  --warm: #ffcc77;
  --focus: #fff;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: radial-gradient(circle at 83% 0%, #29205b 0, transparent 27rem), var(--navy);
  color: var(--ink);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
}

.container { width: min(1120px, calc(100% - 2.5rem)); margin: auto; }
.skip-link {
  position: absolute; left: 1rem; top: -4rem; padding: .65rem 1rem;
  background: var(--focus); color: #111; border-radius: .4rem; z-index: 2;
}
.skip-link:focus { top: 1rem; }
.site-header {
  border-bottom: 1px solid #ffffff12; background: #090b1cce;
  backdrop-filter: blur(12px); position: sticky; top: 0; z-index: 1;
}
.nav { min-height: 4.6rem; display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.brand { font-weight: 750; letter-spacing: -.02em; text-decoration: none; color: var(--ink); }
.brand span { color: var(--violet); margin-right: .35rem; }
.nav-links { display: flex; gap: 1.1rem; align-items: center; }
.nav a, .trust a, .footer a { color: var(--muted); }
.nav a:hover, .trust a:hover, .footer a:hover { color: var(--ink); }
.github-link { border: 1px solid var(--line); padding: .42rem .68rem; border-radius: .45rem; text-decoration: none; }

.hero { padding: 7rem 0 5.5rem; }
.eyebrow { text-transform: uppercase; letter-spacing: .13em; color: var(--warm); font-size: .74rem; font-weight: 800; margin: 0 0 .8rem; }
.hero-grid { display: grid; grid-template-columns: 1.5fr .78fr; gap: 3rem; align-items: end; }
h1, h2, h3 { line-height: 1.1; margin: 0; letter-spacing: -.035em; }
h1 { font-size: clamp(2.7rem, 6vw, 5.5rem); max-width: 14ch; }
h2 { font-size: clamp(2rem, 4vw, 3.2rem); }
h3 { font-size: 1.22rem; }
.lede { font-size: 1.14rem; color: var(--muted); max-width: 56ch; margin: 1.5rem 0 0; }
.actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 2rem; }
.button { display: inline-flex; gap: .45rem; align-items: center; padding: .75rem 1rem; border-radius: .5rem; text-decoration: none; font-weight: 700; }
.primary { background: var(--violet); color: #16112d; }
.secondary { border: 1px solid var(--line); color: var(--ink); }
.version-card { background: linear-gradient(145deg, #201e48, #131632); border: 1px solid #585186; border-radius: 1rem; padding: 1.4rem; box-shadow: 0 1rem 3rem #0003; }
.version-card strong { font-size: 2.3rem; display: block; margin: .6rem 0; }
.version-card p, .caption { color: var(--muted); font-size: .93rem; }
.status-dot { width: .58rem; height: .58rem; border-radius: 50%; background: var(--warm); display: inline-block; margin-right: .4rem; }

.section { padding: 5rem 0; border-top: 1px solid #ffffff12; }
.section-heading { margin-bottom: 2rem; }
.axis-grid, .cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.cards { grid-template-columns: repeat(3, 1fr); }
.axis, .card { padding: 1.5rem; border: 1px solid var(--line); background: var(--surface); border-radius: .8rem; }
.axis span { font-family: ui-monospace, monospace; color: var(--violet); font-weight: bold; }
.axis h3, .card h3 { margin-top: .9rem; }
.axis p, .card li { color: var(--muted); }
.feature { border-top: 3px solid var(--violet); }
.lifecycle { border-top: 3px solid var(--warm); }
.card ul { padding-left: 1.2rem; margin: .9rem 0 0; }
.card li + li { margin-top: .5rem; }
.muted { opacity: .76; }
.roadmap { list-style: none; padding: 0; margin: 0; display: grid; gap: .8rem; }
.roadmap li { display: grid; grid-template-columns: 13rem 1fr; padding: 1rem 1.2rem; border-left: 2px solid var(--line); background: #ffffff05; }
.roadmap .current { border-left-color: var(--warm); }
.roadmap span { color: var(--muted); }
.trust { max-width: 850px; }
.trust p { color: var(--muted); font-size: 1.06rem; }
.attribution { border-left: 2px solid var(--violet); padding-left: 1rem; }
.footer { padding: 2rem 0 3rem; border-top: 1px solid #ffffff12; display: flex; justify-content: space-between; color: var(--muted); font-size: .9rem; }

a:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; border-radius: .2rem; }

@media (max-width: 720px) {
  .nav { align-items: flex-start; padding: 1rem 0; }
  .nav-links { gap: .7rem; flex-wrap: wrap; justify-content: flex-end; }
  .hero { padding: 4.5rem 0; }
  .hero-grid, .axis-grid, .cards { grid-template-columns: 1fr; gap: 1rem; }
  .roadmap li { grid-template-columns: 1fr; gap: .3rem; }
  .footer { gap: 1rem; flex-direction: column; }
  .nav-links > a:not(.github-link) { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

.hero-facts { list-style: none; margin: 1.1rem 0 0; padding: 0; display: flex; flex-wrap: wrap; align-items: center; gap: .55rem; color: var(--muted); font-size: .85rem; }
.hero-facts li + li::before { content: "·"; margin-right: .55rem; color: var(--violet); }

.version-card .meta { text-transform: uppercase; letter-spacing: .08em; font-size: .72rem; color: var(--muted); margin: .8rem 0 0; }

@media (max-width: 720px) {
  .hero-facts { gap: .4rem .55rem; }
}