:root {
  color-scheme: dark;
  --bg: #0f0c14;
  --panel: #17121f;
  --panel-2: #1e1728;
  --text: #f7f1fb;
  --muted: #b8aabd;
  --line: #33283f;
  --accent: #b3162f;
  --accent-2: #e14b62;
  --link: #f29aac;
  --ok: #8ad6b3;
  --max: 980px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background:
    radial-gradient(circle at 18% 0%, rgba(177,22,47,.18), transparent 34rem),
    var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
}
a { color: var(--link); }
a:hover { color: #ffc1cc; }
header {
  border-bottom: 1px solid var(--line);
  background: rgba(15,12,20,.86);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 10;
}
.nav {
  max-width: var(--max);
  margin: 0 auto;
  padding: 18px 24px;
  display: flex;
  gap: 20px;
  align-items: center;
  justify-content: space-between;
}
.brand {
  font-weight: 900;
  letter-spacing: .11em;
  font-size: .95rem;
}
.brand span { color: var(--accent-2); }
.navlinks { display:flex; gap:14px; flex-wrap:wrap; }
.navlinks a {
  text-decoration:none;
  color:var(--muted);
  font-weight:700;
  font-size:.92rem;
}
main {
  max-width: var(--max);
  margin: 0 auto;
  padding: 56px 24px 84px;
}
.hero {
  background: linear-gradient(145deg, rgba(179,22,47,.18), rgba(30,23,40,.92));
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 42px;
  box-shadow: 0 22px 70px rgba(0,0,0,.28);
}
.eyebrow {
  color: var(--accent-2);
  text-transform: uppercase;
  letter-spacing: .14em;
  font-weight: 900;
  font-size: .78rem;
}
h1 { font-size: clamp(2rem, 5vw, 3.8rem); line-height: 1.08; margin: .25em 0; }
h2 { margin-top: 2.2em; font-size: 1.55rem; line-height: 1.25; }
h3 { margin-top: 1.6em; font-size: 1.12rem; }
p, li { color: #ded3e4; }
.muted { color: var(--muted); }
.meta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 18px;
  color: var(--muted);
  font-size: .93rem;
}
.pill {
  border:1px solid var(--line);
  background:var(--panel-2);
  border-radius:999px;
  padding:7px 12px;
}
.grid {
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
  gap:18px;
  margin-top:28px;
}
.card {
  display:block;
  color:inherit;
  text-decoration:none;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:18px;
  padding:24px;
  transition: transform .15s ease, border-color .15s ease;
}
.card:hover { transform:translateY(-2px); border-color:#624a76; }
.card h2 { margin:0 0 8px; font-size:1.3rem; }
.notice {
  border-left:4px solid var(--accent-2);
  background:rgba(225,75,98,.08);
  border-radius:10px;
  padding:16px 18px;
  margin:24px 0;
}
.good {
  border-left-color: var(--ok);
  background: rgba(138,214,179,.07);
}
.toc {
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:16px;
  padding:22px 24px;
  margin:28px 0 34px;
}
.toc strong { display:block; margin-bottom:8px; }
.toc a { text-decoration:none; }
section { scroll-margin-top: 90px; }
code {
  background:#241b2f;
  border:1px solid var(--line);
  padding:.08em .35em;
  border-radius:6px;
}
footer {
  border-top:1px solid var(--line);
  color:var(--muted);
  padding:30px 24px 50px;
}
.footer-inner {
  max-width:var(--max);
  margin:0 auto;
  display:flex;
  justify-content:space-between;
  gap:18px;
  flex-wrap:wrap;
}
@media (max-width: 620px) {
  .hero { padding:28px 22px; }
  .nav { align-items:flex-start; flex-direction:column; }
}