:root {
  --bg: #0b0f1a;
  --bg-soft: #121829;
  --card: #161d33;
  --line: #243050;
  --text: #e8ecf7;
  --muted: #9aa6c4;
  --accent: #f0a04b;
  --accent-2: #6ea8fe;
  --max: 1100px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent-2); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 20px; }

/* Cabecera */
header {
  border-bottom: 1px solid var(--line);
  background: rgba(11, 15, 26, 0.9);
  backdrop-filter: blur(8px);
  position: sticky; top: 0; z-index: 10;
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 16px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; letter-spacing: .3px; color: var(--text); }
.brand:hover { text-decoration: none; }
.brand .dot { width: 10px; height: 10px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 12px var(--accent); }
.nav ul { display: flex; gap: 22px; list-style: none; margin: 0; padding: 0; }
.nav a { color: var(--muted); font-size: 15px; }
.nav a:hover, .nav a.active { color: var(--text); text-decoration: none; }

/* Portada */
.hero { padding: 72px 0 56px; border-bottom: 1px solid var(--line); background:
  radial-gradient(1200px 400px at 70% -10%, rgba(110,168,254,.18), transparent 60%),
  radial-gradient(800px 300px at 10% 0%, rgba(240,160,75,.12), transparent 60%); }
.hero h1 { font-size: clamp(30px, 5vw, 46px); line-height: 1.15; margin: 0 0 16px; letter-spacing: -0.5px; }
.hero p { font-size: 18px; color: var(--muted); max-width: 680px; margin: 0 0 24px; }
.kicker { display: inline-block; font-size: 13px; text-transform: uppercase; letter-spacing: 1.6px;
  color: var(--accent); margin-bottom: 14px; }

.btn { display: inline-block; padding: 11px 20px; border-radius: 8px; background: var(--accent);
  color: #1a1206; font-weight: 600; font-size: 15px; }
.btn:hover { text-decoration: none; filter: brightness(1.08); }
.btn.ghost { background: transparent; color: var(--text); border: 1px solid var(--line); }

/* Secciones */
section { padding: 56px 0; }
h2 { font-size: 26px; margin: 0 0 8px; letter-spacing: -0.3px; }
h3 { font-size: 18px; margin: 0 0 8px; }
.sub { color: var(--muted); margin: 0 0 28px; }

.grid { display: grid; gap: 18px; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 22px; }
.card p { color: var(--muted); margin: 0; font-size: 15px; }
.card .tag { font-size: 12px; color: var(--accent); text-transform: uppercase; letter-spacing: 1.2px; }

/* Cronología */
.timeline { border-left: 2px solid var(--line); margin-left: 8px; padding-left: 26px; }
.tl-item { position: relative; padding-bottom: 28px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before { content: ""; position: absolute; left: -34px; top: 7px; width: 12px; height: 12px;
  border-radius: 50%; background: var(--bg); border: 2px solid var(--accent); }
.tl-year { font-weight: 700; color: var(--accent); font-size: 15px; }
.tl-item p { margin: 4px 0 0; color: var(--muted); }

/* Tablas */
table { width: 100%; border-collapse: collapse; font-size: 15px; }
th, td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--line); }
th { color: var(--muted); font-weight: 600; font-size: 13px; text-transform: uppercase; letter-spacing: .8px; }
tbody tr:hover { background: var(--bg-soft); }

.prose p { color: var(--muted); max-width: 760px; }
.prose h2 { margin-top: 36px; }

footer { border-top: 1px solid var(--line); padding: 32px 0; color: var(--muted); font-size: 14px; }
footer .fnav { display: flex; gap: 18px; flex-wrap: wrap; margin-bottom: 12px; }
.disclaimer { font-size: 13px; opacity: .8; max-width: 720px; }

@media (max-width: 640px) {
  .nav { height: auto; padding: 12px 0; flex-direction: column; align-items: flex-start; }
  .nav ul { gap: 14px; flex-wrap: wrap; }
  .hero { padding: 48px 0 40px; }
  section { padding: 40px 0; }
}