:root {
  color-scheme: dark;
  --bg: #0c111b;
  --panel: #121a29;
  --panel-2: #172236;
  --text: #eef4ff;
  --muted: #a9b7cf;
  --accent: #74d7ff;
  --accent-2: #9dffbe;
  --border: #27354d;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: radial-gradient(circle at top left, rgba(116, 215, 255, 0.18), transparent 34rem), var(--bg);
  color: var(--text);
  line-height: 1.6;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem clamp(1rem, 3vw, 2.5rem);
  background: rgba(12, 17, 27, 0.88);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(12px);
}
.brand {
  color: var(--text);
  font-weight: 800;
  letter-spacing: -0.03em;
  white-space: nowrap;
}
nav {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}
nav a {
  color: var(--muted);
  padding: 0.4rem 0.65rem;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 0.9rem;
}
nav a.active, nav a:hover {
  color: var(--text);
  background: rgba(116, 215, 255, 0.1);
  border-color: rgba(116, 215, 255, 0.24);
  text-decoration: none;
}
main {
  width: min(1040px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 5rem 0 4rem;
}
.eyebrow {
  color: var(--accent-2);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
}
h1 {
  max-width: 850px;
  margin: 0;
  font-size: clamp(2.5rem, 7vw, 5.5rem);
  line-height: 0.92;
  letter-spacing: -0.07em;
}
.lede {
  max-width: 760px;
  color: var(--muted);
  font-size: clamp(1.1rem, 2.4vw, 1.35rem);
  margin: 1.5rem 0 2.5rem;
}
.card {
  margin: 1rem 0;
  padding: 1.35rem;
  border: 1px solid var(--border);
  border-radius: 1.2rem;
  background: linear-gradient(180deg, rgba(23,34,54,0.96), rgba(18,26,41,0.96));
  box-shadow: 0 24px 80px rgba(0,0,0,0.2);
}
.card h2 {
  margin: 0 0 0.45rem;
  font-size: 1.2rem;
}
.card p { margin: 0; color: var(--muted); }
.table-wrap { overflow-x: auto; margin: 2rem 0; }
table {
  width: 100%;
  border-collapse: collapse;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 1rem;
  overflow: hidden;
}
th, td {
  text-align: left;
  padding: 0.85rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
th { color: var(--accent-2); background: var(--panel-2); }
td { color: var(--muted); }
footer {
  width: min(1040px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 2rem 0 3rem;
  color: var(--muted);
  border-top: 1px solid var(--border);
}
@media (max-width: 760px) {
  .site-header { align-items: flex-start; flex-direction: column; }
  nav { justify-content: flex-start; }
  main { padding-top: 3rem; }
}