:root {
  color-scheme: dark;
  --bg: #070812;
  --panel: rgba(255,255,255,.075);
  --panel-strong: rgba(255,255,255,.12);
  --ink: #f7fbff;
  --muted: #aab7ca;
  --line: rgba(255,255,255,.14);
  --blue: #42e8ff;
  --pink: #ff4fd8;
  --violet: #8b6cff;
  --green: #6dffb2;
  --shadow: 0 25px 100px rgba(0,0,0,.45);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 8% 10%, rgba(66,232,255,.26), transparent 34rem),
    radial-gradient(circle at 86% 4%, rgba(255,79,216,.24), transparent 28rem),
    linear-gradient(180deg, #090a18 0%, #070812 42%, #05060b 100%);
  color: var(--ink);
}
a { color: inherit; }
.shell { width: min(1180px, calc(100% - 36px)); margin: 0 auto; }
.hero { padding: 26px 0 52px; }
nav, .hero-grid, .stats, .split, .gap-head, .signal-row { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
nav { margin-bottom: 72px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; letter-spacing: -.03em; }
.brand span { width: 15px; height: 15px; border-radius: 5px; background: linear-gradient(135deg, var(--blue), var(--pink)); box-shadow: 0 0 24px var(--blue); }
.nav-meta { color: var(--muted); font-size: 14px; }
.hero-grid { align-items: stretch; }
.hero-grid > div { max-width: 700px; }
.eyebrow { color: var(--blue); text-transform: uppercase; letter-spacing: .18em; font-size: 12px; font-weight: 800; margin: 0 0 12px; }
h1, h2, h3, h4, p { margin-top: 0; }
h1 { font-size: clamp(48px, 8vw, 92px); line-height: .88; letter-spacing: -.08em; margin-bottom: 22px; }
h2 { font-size: clamp(31px, 4vw, 54px); letter-spacing: -.055em; line-height: .94; margin-bottom: 16px; }
h3 { font-size: 24px; line-height: 1.02; letter-spacing: -.04em; margin-bottom: 14px; }
p, dd, td { color: var(--muted); line-height: 1.62; }
.lede { font-size: 18px; max-width: 650px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 28px; }
.button { padding: 13px 18px; border-radius: 999px; background: linear-gradient(135deg, var(--blue), var(--violet)); text-decoration: none; color: #02040a; font-weight: 850; box-shadow: 0 10px 40px rgba(66,232,255,.22); }
.button.ghost { background: rgba(255,255,255,.08); color: var(--ink); border: 1px solid var(--line); box-shadow: none; }
.signal-card, .gap-card, .matrix-card, .brief, .stats > div, .dark-panel, .table-wrap { background: var(--panel); border: 1px solid var(--line); border-radius: 28px; box-shadow: var(--shadow); backdrop-filter: blur(22px); }
.signal-card { width: min(390px, 100%); padding: 26px; }
.signal-card strong { font-size: 34px; letter-spacing: -.06em; }
.signal-card h2 { font-size: 31px; }
.divider { height: 1px; background: var(--line); margin: 20px 0; }
small { color: var(--muted); }
.stats { margin: -18px 0 70px; }
.stats > div { flex: 1; padding: 20px; }
.stats strong { display: block; font-size: 24px; letter-spacing: -.04em; margin: 4px 0; }
.stats span { color: var(--muted); font-size: 13px; }
.section-block { margin: 72px 0; }
.section-head { max-width: 760px; margin-bottom: 26px; }
.gap-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.gap-card { padding: 24px; position: relative; overflow: hidden; }
.gap-card.primary { grid-column: 1 / -1; background: linear-gradient(135deg, rgba(66,232,255,.16), rgba(255,79,216,.12)); }
.gap-card.primary h3 { font-size: 34px; max-width: 760px; }
.score { width: 76px; height: 76px; border-radius: 24px; display: grid; place-items: center; background: rgba(66,232,255,.1); border: 1px solid rgba(66,232,255,.36); flex: 0 0 auto; }
.score span { font-size: 28px; font-weight: 900; color: var(--blue); line-height: .8; }
.score small { display: block; font-size: 10px; }
.quote { border-left: 3px solid var(--pink); padding: 12px 0 12px 15px; margin: 18px 0; color: var(--ink); background: rgba(255,255,255,.035); border-radius: 0 16px 16px 0; }
.tags { display: flex; flex-wrap: wrap; gap: 8px; }
.pill { display: inline-flex; align-items: center; margin: 3px; padding: 7px 10px; border-radius: 999px; background: rgba(255,255,255,.08); color: #dce7f7; font-size: 12px; border: 1px solid rgba(255,255,255,.1); }
.pill.blue { color: var(--blue); border-color: rgba(66,232,255,.28); }
.pill.pink { color: #ff9dea; border-color: rgba(255,79,216,.28); }
.split { align-items: flex-start; }
.split > div:first-child { flex: 0 0 36%; }
.matrix { flex: 1; display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 14px; }
.matrix-card { padding: 18px; min-height: 140px; box-shadow: none; }
.matrix-card h4 { color: var(--blue); margin-bottom: 8px; }
.matrix-card strong { font-size: 22px; letter-spacing: -.035em; }
.briefs { display: grid; gap: 16px; }
.brief { display: grid; grid-template-columns: 72px 1fr; gap: 20px; padding: 24px; box-shadow: none; }
.brief-num { width: 54px; height: 54px; border-radius: 18px; display: grid; place-items: center; background: linear-gradient(135deg, rgba(66,232,255,.18), rgba(255,79,216,.16)); font-weight: 900; color: var(--blue); }
dl { display: grid; grid-template-columns: 150px 1fr; gap: 10px 18px; margin: 0; }
dt { color: var(--ink); font-weight: 800; }
dd { margin: 0; }
.dark-panel { padding: 28px; background: linear-gradient(135deg, rgba(9,11,28,.94), rgba(32,14,54,.82)); }
.permutation-list { flex: 1; list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.permutation-list li { display: grid; grid-template-columns: 42px 1fr; gap: 14px; padding: 14px; border: 1px solid var(--line); border-radius: 18px; background: rgba(255,255,255,.05); }
.permutation-list li > span { color: var(--pink); font-weight: 900; }
.permutation-list p { margin-bottom: 0; font-size: 14px; }
.table-wrap { overflow: auto; }
table { width: 100%; border-collapse: collapse; min-width: 850px; }
th, td { text-align: left; padding: 16px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--ink); font-size: 12px; text-transform: uppercase; letter-spacing: .12em; }
td:first-child { color: var(--blue); font-weight: 800; }
@media (max-width: 820px) {
  .hero-grid, .stats, .split, nav { flex-direction: column; align-items: stretch; }
  .gap-grid, .matrix { grid-template-columns: 1fr; }
  .gap-card.primary { grid-column: auto; }
  .brief { grid-template-columns: 1fr; }
  dl { grid-template-columns: 1fr; }
  h1 { font-size: 54px; }
}