:root {
  --bg: #0d0a16;
  --indigo: #1b1728;
  --surface: rgba(27, 23, 40, 0.72);
  --line: rgba(238, 247, 252, 0.10);
  --line-strong: rgba(238, 247, 252, 0.18);
  --fg: #eef7fc;
  --muted: #aaa4bf;
  --crimson: #e03a3c;
  --blush: #ecaeae;
  --sunset: #f8cb5b;
  --teal: #44c4c9;
  --aqua: #acdfe1;
  --display: "Plus Jakarta Sans", system-ui, sans-serif;
  --sans: "Inter", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
  --radius: 16px;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.65 var(--sans);
  -webkit-font-smoothing: antialiased;
}
a { color: var(--aqua); text-underline-offset: 3px; }
code, pre { font-family: var(--mono); font-size: 0.85em; }
.wrap { width: min(1120px, 100% - 32px); margin-inline: auto; }

.top { display: flex; align-items: center; justify-content: space-between; padding: 22px 0; gap: 16px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--fg); text-decoration: none;
  font: 800 1.2rem var(--display); letter-spacing: -0.02em; }
.top nav { display: flex; gap: 20px; flex-wrap: wrap; }
.top nav a { color: var(--muted); text-decoration: none; font-size: 0.95rem; }
.top nav a:hover { color: var(--fg); }

.hero { padding: 64px 0 40px; max-width: 760px; }
.eyebrow { font: 500 0.8rem var(--mono); color: var(--teal); text-transform: uppercase; letter-spacing: 0.12em; margin: 0 0 14px; }
h1 { font: 800 clamp(2.2rem, 6vw, 3.6rem)/1.08 var(--display); letter-spacing: -0.035em; margin: 0 0 20px; }
h1 em { font-style: normal; color: var(--sunset); }
.lede { color: var(--muted); font-size: 1.1rem; margin: 0; }

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 12px; margin-bottom: 48px; }
.stats div { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px; }
.stats strong { display: block; font: 800 1.9rem var(--display); letter-spacing: -0.03em; }
.stats span { color: var(--muted); font-size: 0.9rem; }

.how { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 12px; margin-bottom: 64px; }
.how div { border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.how span { font: 500 0.8rem var(--mono); color: var(--teal); }
.how h2 { font: 700 1.15rem var(--display); margin: 6px 0 8px; }
.how p { margin: 0; color: var(--muted); font-size: 0.95rem; }

.section { font: 800 1.6rem var(--display); letter-spacing: -0.02em; margin: 0 0 12px; }
.legend { display: flex; gap: 8px; flex-wrap: wrap; margin: 0 0 16px; }
.matrix { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 8px; margin-bottom: 64px; }
.tactic { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 12px; min-height: 96px; }
.tactic.none { background: transparent; }
.tactic h3 { font: 600 0.78rem var(--sans); color: var(--muted); margin: 0 0 10px; text-transform: uppercase; letter-spacing: 0.06em; }
.tactic.none h3 { opacity: 0.55; }
.empty { font-size: 0.8rem; color: var(--muted); opacity: 0.5; }

.chip { display: inline-block; font: 500 0.78rem var(--mono); padding: 3px 8px; border-radius: 999px; margin: 0 4px 4px 0;
  text-decoration: none; border: 1px solid; }
.chip.proven { color: var(--teal); border-color: rgba(68, 196, 201, 0.5); background: rgba(68, 196, 201, 0.10); }
.chip.awaiting { color: var(--sunset); border-color: rgba(248, 203, 91, 0.45); background: rgba(248, 203, 91, 0.08); }
.chip.failing { color: var(--blush); border-color: rgba(224, 58, 60, 0.6); background: rgba(224, 58, 60, 0.12); }

.rule { border: 1px solid var(--line); border-radius: var(--radius); margin-bottom: 10px; background: var(--surface); }
.rule[open] { border-color: var(--line-strong); }
.rule summary { cursor: pointer; padding: 18px 20px; display: flex; flex-wrap: wrap; gap: 8px 16px; align-items: center; justify-content: space-between; list-style: none; }
.rule summary::-webkit-details-marker { display: none; }
.rule summary:focus-visible { outline: 2px solid var(--teal); outline-offset: 2px; border-radius: var(--radius); }
.title { font: 700 1.05rem var(--display); }
.meta { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; font-size: 0.85rem; }
.meta a { font-family: var(--mono); }
.platform { font: 600 0.75rem var(--sans); padding: 2px 8px; border-radius: 6px; border: 1px solid var(--line-strong); color: var(--fg); }
.level { font: 500 0.75rem var(--mono); padding: 2px 8px; border-radius: 6px; background: rgba(238, 247, 252, 0.06); color: var(--muted); }
.level.high, .level.critical { color: var(--blush); }
.badge { font-size: 0.78rem; padding: 3px 10px; border-radius: 999px; font-weight: 600; }
.badge.proven { background: rgba(68, 196, 201, 0.16); color: var(--teal); }
.badge.awaiting { background: rgba(248, 203, 91, 0.12); color: var(--sunset); }
.badge.failing { background: rgba(224, 58, 60, 0.18); color: var(--blush); }
.body { padding: 0 20px 20px; border-top: 1px solid var(--line); }
.body p { color: var(--muted); }
.body .links a { font-weight: 500; }
.body h4 { font: 700 0.95rem var(--display); margin: 22px 0 8px; }
.body h5 { font: 600 0.8rem var(--sans); color: var(--muted); margin: 14px 0 6px; }
.muted { color: var(--muted); }
.table { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-size: 0.88rem; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 600; }
td.ok { color: var(--teal); font-weight: 600; }
td.bad { color: var(--crimson); font-weight: 600; }
td code { word-break: break-all; }
pre { background: #08060f; border: 1px solid var(--line); border-radius: 10px; padding: 14px; overflow-x: auto; margin: 0;
  white-space: pre-wrap; word-break: break-word; }

footer { border-top: 1px solid var(--line); margin-top: 64px; padding: 28px 0 48px; color: var(--muted); font-size: 0.9rem; }