:root {
  --bg: #0b0a12;
  --bg-elev: #141225;
  --bg-card: #18162c;
  --line: rgba(167, 139, 250, 0.22);
  --text: #e8e6f2;
  --muted: #9b97b0;
  --violet: #a78bfa;
  --cyan: #22d3ee;
  --glow: rgba(34, 211, 238, 0.18);
  --radius: 14px;
  --font: "Segoe UI", system-ui, -apple-system, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.55;
}
a { color: var(--cyan); text-decoration: none; }
a:hover { text-decoration: underline; }
.bg-grid {
  position: fixed; inset: 0; pointer-events: none; z-index: -1;
  background:
    radial-gradient(ellipse 80% 50% at 20% -10%, rgba(167,139,250,.22), transparent 55%),
    radial-gradient(ellipse 60% 40% at 90% 10%, rgba(34,211,238,.12), transparent 50%),
    linear-gradient(rgba(167,139,250,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(167,139,250,.05) 1px, transparent 1px);
  background-size: auto, auto, 48px 48px, 48px 48px;
}
.wrap { width: min(1100px, calc(100% - 2rem)); margin-inline: auto; }
.site-header {
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px);
  background: rgba(11,10,18,.75);
  position: sticky; top: 0; z-index: 20;
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; padding: .9rem 0;
}
.logo { display: flex; align-items: center; gap: .75rem; color: inherit; text-decoration: none; }
.logo-mark {
  width: 2.4rem; height: 2.4rem; border-radius: 10px;
  display: grid; place-items: center; font-weight: 800; letter-spacing: .04em;
  background: linear-gradient(135deg, var(--violet), var(--cyan));
  color: #0b0a12;
}
.logo-text { display: flex; flex-direction: column; line-height: 1.15; }
.logo-text strong { font-size: 1.05rem; }
.logo-text small { color: var(--muted); font-size: .75rem; }
.nav { display: flex; gap: .35rem; flex-wrap: wrap; }
.nav a {
  color: var(--muted); padding: .45rem .8rem; border-radius: 999px;
  text-decoration: none; border: 1px solid transparent;
}
.nav a:hover, .nav a.is-active {
  color: var(--text); border-color: var(--line);
  background: rgba(167,139,250,.08);
}
.banner {
  margin-top: 1rem; padding: .75rem 1rem; border-radius: var(--radius);
  border: 1px solid rgba(34,211,238,.35);
  background: rgba(34,211,238,.08); color: var(--text); font-size: .92rem;
}
.banner code { font-family: var(--mono); color: var(--cyan); }
.main { padding: 2rem 0 3.5rem; }
.hero {
  padding: 2.2rem 1.6rem; border-radius: calc(var(--radius) + 4px);
  border: 1px solid var(--line);
  background:
    linear-gradient(135deg, rgba(167,139,250,.14), rgba(34,211,238,.06)),
    var(--bg-elev);
  box-shadow: 0 0 60px var(--glow);
  margin-bottom: 2rem;
}
.hero h1 {
  margin: 0 0 .6rem; font-size: clamp(1.7rem, 3vw, 2.4rem);
  letter-spacing: -.02em;
}
.hero p { margin: 0; color: var(--muted); max-width: 42rem; }
.hero .cta { margin-top: 1.2rem; display: flex; gap: .6rem; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: .4rem;
  padding: .65rem 1rem; border-radius: 999px; font-weight: 600;
  border: 1px solid transparent; text-decoration: none;
}
.btn-primary {
  background: linear-gradient(135deg, var(--violet), #7c5cfc);
  color: #fff;
}
.btn-ghost {
  border-color: var(--line); color: var(--text);
  background: rgba(255,255,255,.03);
}
.section-title {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 1rem; margin: 0 0 1rem;
}
.section-title h2 { margin: 0; font-size: 1.25rem; }
.grid {
  display: grid; gap: 1rem;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
}
.card {
  background: var(--bg-card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 1.1rem 1.15rem;
  transition: border-color .15s, transform .15s;
}
.card:hover { border-color: rgba(34,211,238,.45); transform: translateY(-2px); }
.card h3 { margin: 0 0 .35rem; font-size: 1.05rem; }
.card h3 a { color: inherit; text-decoration: none; }
.card h3 a:hover { color: var(--cyan); }
.meta { color: var(--muted); font-size: .85rem; margin-bottom: .5rem; }
.chip {
  display: inline-block; font-size: .72rem; padding: .15rem .5rem;
  border-radius: 999px; border: 1px solid var(--line);
  color: var(--violet); margin-right: .25rem;
}
.specs {
  width: 100%; border-collapse: collapse; margin: 1rem 0;
  background: var(--bg-card); border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--line);
}
.specs th, .specs td {
  text-align: left; padding: .7rem .9rem; border-bottom: 1px solid var(--line);
}
.specs th { width: 36%; color: var(--muted); font-weight: 600; }
.prose { max-width: 46rem; }
.prose h1 { margin-top: 0; }
.prose .meta { margin-bottom: 1.2rem; }
.site-footer {
  border-top: 1px solid var(--line); padding: 1.6rem 0 2rem;
  color: var(--muted); font-size: .9rem;
}
.footer-inner {
  display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
}
.footer-inner p { margin: .25rem 0; }
.note {
  font-size: .85rem; color: var(--muted); border-left: 3px solid var(--violet);
  padding-left: .75rem; margin: 1rem 0;
}
@media (max-width: 640px) {
  .header-inner { flex-direction: column; align-items: flex-start; }
}