:root {
  --bg: #0a0a0f;
  --card: #12121a;
  --border: #23232e;
  --text: #e7e7ea;
  --muted: #9a9aa6;
  --brand-1: #860305;
  --brand-2: #CC0507;
  --brand-3: #FA3335;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: 820px; margin: 0 auto; padding: 48px 24px 96px; }

header.site {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 22px 24px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: rgba(10,10,15,.85);
  backdrop-filter: blur(10px);
  z-index: 10;
}
.mark {
  width: 36px; height: 36px; border-radius: 9px;
  background: linear-gradient(135deg, var(--brand-1), var(--brand-2), var(--brand-3));
  display: grid; place-items: center;
  color: #fff; font-weight: 800; font-size: 20px;
  box-shadow: 0 4px 16px rgba(204,5,7,.35);
}
.brand-name { font-weight: 700; font-size: 17px; letter-spacing: -.2px; }
.brand-sub { font-size: 12px; color: var(--muted); }
header.site nav { margin-left: auto; display: flex; gap: 20px; }
header.site nav a { color: var(--muted); text-decoration: none; font-size: 14px; }
header.site nav a:hover { color: var(--text); }

h1 {
  font-size: 34px; font-weight: 800; letter-spacing: -.8px;
  margin-bottom: 8px;
  background: linear-gradient(135deg, #fff 40%, var(--brand-3));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.updated { color: var(--muted); font-size: 14px; margin-bottom: 36px; }

h2 {
  font-size: 20px; font-weight: 700; margin: 38px 0 12px;
  padding-left: 14px; border-left: 3px solid var(--brand-2);
}
h3 { font-size: 16px; font-weight: 600; margin: 22px 0 8px; color: #fff; }
p, li { color: var(--text); font-size: 15.5px; margin-bottom: 12px; }
ul, ol { padding-left: 24px; margin-bottom: 14px; }
li { margin-bottom: 8px; }
strong { color: #fff; }
a { color: var(--brand-3); }

.intro {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px 24px;
  margin-bottom: 32px;
  color: var(--muted);
  font-size: 14.5px;
}

.cards { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 28px; }
.card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 16px; padding: 26px; text-decoration: none; color: var(--text);
  transition: border-color .2s, transform .2s;
}
.card:hover { border-color: var(--brand-2); transform: translateY(-2px); }
.card h3 { color: #fff; margin: 0 0 6px; font-size: 18px; }
.card p { color: var(--muted); font-size: 14px; margin: 0; }

footer.site {
  border-top: 1px solid var(--border);
  padding: 28px 24px; text-align: center;
  color: var(--muted); font-size: 13px;
}
footer.site a { color: var(--muted); }

@media (max-width: 640px) {
  .cards { grid-template-columns: 1fr; }
  h1 { font-size: 27px; }
}