:root {
  color-scheme: dark;
  --bg: #0b1020;
  --surface: #11182c;
  --surface-2: #17213b;
  --text: #eef2ff;
  --muted: #aab4d0;
  --border: #263556;
  --accent: #7c5cff;
  --accent-2: #39d0b5;
  --warning: #ffcc66;
  --danger: #ff7b8b;
  --max: 1080px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 15% 0%, rgba(124,92,255,.19), transparent 35rem),
    radial-gradient(circle at 90% 20%, rgba(57,208,181,.10), transparent 30rem),
    var(--bg);
  color: var(--text);
  line-height: 1.7;
}
a { color: #a99aff; }
a:hover { color: #c7bdff; }
header {
  border-bottom: 1px solid var(--border);
  background: rgba(11,16,32,.82);
  backdrop-filter: blur(14px);
  position: sticky;
  top: 0;
  z-index: 10;
}
.nav {
  max-width: var(--max);
  margin: auto;
  padding: .9rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}
.brand {
  display: flex;
  align-items: center;
  gap: .75rem;
  color: var(--text);
  text-decoration: none;
  font-weight: 800;
}
.logo {
  width: 36px;
  height: 36px;
  border-radius: 11px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 8px 30px rgba(124,92,255,.3);
}
.navlinks { margin-left: auto; display: flex; flex-wrap: wrap; gap: .7rem; }
.navlinks a, .lang button {
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  text-decoration: none;
  border-radius: 10px;
  padding: .45rem .75rem;
  cursor: pointer;
}
.lang { display: flex; gap: .35rem; }
.lang button.active { border-color: var(--accent); background: rgba(124,92,255,.18); }
main { max-width: var(--max); margin: auto; padding: 3.4rem 1.25rem 5rem; }
.hero { padding: 2.5rem 0 2rem; }
.eyebrow { color: var(--accent-2); font-weight: 800; text-transform: uppercase; letter-spacing: .13em; font-size: .78rem; }
h1 { font-size: clamp(2.2rem, 6vw, 4.7rem); line-height: 1.06; margin: .4rem 0 1rem; letter-spacing: -.04em; }
h2 { margin-top: 2.5rem; line-height: 1.25; }
h3 { margin-top: 1.8rem; }
.lead { max-width: 760px; color: var(--muted); font-size: 1.12rem; }
.grid { display: grid; grid-template-columns: repeat(auto-fit,minmax(240px,1fr)); gap: 1rem; margin: 1.6rem 0; }
.card {
  background: linear-gradient(180deg, rgba(23,33,59,.92), rgba(17,24,44,.92));
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 1.35rem;
  box-shadow: 0 18px 50px rgba(0,0,0,.18);
}
.card h2, .card h3 { margin-top: 0; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: .72rem 1rem;
  border-radius: 11px;
  background: var(--accent);
  color: white;
  text-decoration: none;
  font-weight: 750;
}
.button.secondary { background: transparent; border: 1px solid var(--border); }
.actions { display: flex; flex-wrap: wrap; gap: .7rem; margin-top: 1.3rem; }
.notice {
  border: 1px solid rgba(255,204,102,.45);
  background: rgba(255,204,102,.09);
  border-radius: 14px;
  padding: 1rem 1.1rem;
  margin: 1rem 0 1.5rem;
}
.notice.danger {
  border-color: rgba(255,123,139,.5);
  background: rgba(255,123,139,.09);
}
.meta {
  display: grid;
  grid-template-columns: repeat(auto-fit,minmax(210px,1fr));
  gap: .7rem;
  margin: 1.3rem 0 2rem;
}
.meta div { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: .8rem; }
.meta strong { display: block; color: var(--muted); font-size: .82rem; text-transform: uppercase; letter-spacing: .07em; }
table { width: 100%; border-collapse: collapse; display: block; overflow-x: auto; }
th, td { border: 1px solid var(--border); padding: .8rem; text-align: left; vertical-align: top; }
th { background: var(--surface-2); }
code { background: var(--surface-2); border: 1px solid var(--border); border-radius: 6px; padding: .12rem .35rem; }
ul, ol { padding-left: 1.3rem; }
footer { border-top: 1px solid var(--border); color: var(--muted); }
.footer-inner { max-width: var(--max); margin: auto; padding: 2rem 1.25rem; }
.app-list { display: flex; flex-wrap: wrap; gap: .55rem; padding: 0; list-style: none; }
.app-list li { border: 1px solid var(--border); background: var(--surface); border-radius: 999px; padding: .35rem .7rem; }
[data-lang] { display: none; }
html[data-language="es"] [data-lang="es"],
html[data-language="en"] [data-lang="en"] { display: block; }
span[data-lang], a[data-lang], strong[data-lang] { display: none; }
html[data-language="es"] span[data-lang="es"],
html[data-language="es"] a[data-lang="es"],
html[data-language="es"] strong[data-lang="es"],
html[data-language="en"] span[data-lang="en"],
html[data-language="en"] a[data-lang="en"],
html[data-language="en"] strong[data-lang="en"] { display: inline; }
@media (max-width: 760px) {
  .nav { align-items: flex-start; flex-wrap: wrap; }
  .navlinks { width: 100%; margin-left: 0; }
  main { padding-top: 2rem; }
}