/* Thread — sitio estático. Sin framework ni build: el HTML que llega es el que
   se sirve, así que carga instantáneo incluso con 3G. */

:root {
  --bg: #0b0f16;
  --bg-soft: #131a25;
  --line: rgba(255, 255, 255, 0.10);
  --fg: #f0f2f5;
  --fg-dim: rgba(240, 242, 245, 0.62);
  --accent: #ffd24d;
  --mint: #80ffd4;
  --thread: #ff5e7e;
  --radius: 18px;
  --wrap: 720px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: Outfit, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--mint); text-decoration: none; }
a:hover, a:focus-visible { text-decoration: underline; }

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

/* ---- header ---- */
.site-head {
  border-bottom: 1px solid var(--line);
  padding: 18px 0;
  position: sticky;
  top: 0;
  background: rgba(11, 15, 22, 0.9);
  backdrop-filter: blur(10px);
  z-index: 10;
}
.site-head .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.brand { font-weight: 700; letter-spacing: 5px; font-size: 20px; color: var(--fg); }
.site-head nav { display: flex; gap: 18px; font-size: 15px; }
.site-head nav a { color: var(--fg-dim); }

/* ---- hero ---- */
.hero { padding: 72px 0 56px; text-align: center; }
.hero h1 {
  font-size: clamp(44px, 12vw, 84px);
  letter-spacing: clamp(6px, 3vw, 14px);
  margin: 0 0 14px;
  line-height: 1.05;
}
.hero p { color: var(--fg-dim); font-size: clamp(17px, 4.5vw, 21px); margin: 0 auto 30px; max-width: 30ch; }

.btn {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 999px;
  background: var(--mint);
  color: #0c121a;
  font-weight: 700;
  letter-spacing: 0.5px;
}
.btn:hover { text-decoration: none; filter: brightness(1.06); }
.btn-ghost { background: transparent; color: var(--fg); border: 1px solid var(--line); }

/* ---- features ---- */
.grid { display: grid; gap: 16px; grid-template-columns: 1fr; margin: 48px 0; }
@media (min-width: 620px) { .grid { grid-template-columns: 1fr 1fr; } }

.card {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
}
.card h3 { margin: 0 0 8px; font-size: 19px; }
.card p { margin: 0; color: var(--fg-dim); font-size: 15.5px; }

/* ---- legal pages ---- */
.legal { padding: 44px 0 80px; }
.legal h1 { font-size: clamp(30px, 7vw, 40px); letter-spacing: 1px; margin: 0 0 6px; }
.legal .updated { color: var(--fg-dim); font-size: 14px; margin: 0 0 34px; }
.legal h2 {
  font-size: 21px;
  margin: 38px 0 10px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}
.legal h3 { font-size: 17px; margin: 22px 0 6px; color: var(--accent); }
.legal p, .legal li { color: rgba(240, 242, 245, 0.82); }
.legal ul { padding-left: 20px; }
.legal li { margin-bottom: 7px; }
.legal table { width: 100%; border-collapse: collapse; margin: 14px 0; font-size: 15px; }
.legal th, .legal td { text-align: left; padding: 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
.legal th { color: var(--fg-dim); font-weight: 600; }

.note {
  background: var(--bg-soft);
  border-left: 3px solid var(--accent);
  border-radius: 0 12px 12px 0;
  padding: 14px 18px;
  margin: 22px 0;
  font-size: 15px;
}

/* ---- footer ---- */
.site-foot {
  border-top: 1px solid var(--line);
  padding: 30px 0 50px;
  color: var(--fg-dim);
  font-size: 14.5px;
}
.site-foot .wrap { display: flex; flex-wrap: wrap; gap: 8px 20px; justify-content: space-between; }

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}