:root {
  color-scheme: dark;
  --bg: #020617;
  --bg-soft: #07111f;
  --fg: #f8fafc;
  --muted: #cbd5e1;
  --link: #93c5fd;
  --link-strong: #38bdf8;
  --focus: #facc15;
  --accent: #facc15;
  --accent-strong: #fde047;
  --blue: #2563eb;
  --blue-soft: #0f2a5f;
  --card: #0b1220;
  --card-2: #101827;
  --border: #3b82f6;
  --border-soft: #1e3a8a;
  --shadow: rgba(37, 99, 235, .28);
  --max: 72rem;
}
* { box-sizing: border-box; }
html { font-family: system-ui, -apple-system, Segoe UI, sans-serif; line-height: 1.6; background: var(--bg); }
body {
  margin: 0;
  background:
    radial-gradient(circle at 18% 0%, rgba(37, 99, 235, .32), transparent 34rem),
    radial-gradient(circle at 88% 12%, rgba(250, 204, 21, .14), transparent 26rem),
    linear-gradient(180deg, #020617 0%, #050816 48%, #020617 100%);
  color: var(--fg);
  font-size: 1.125rem;
  min-height: 100vh;
}
a { color: var(--link); text-decoration-thickness: .12em; text-underline-offset: .18em; }
a:hover { color: var(--accent-strong); text-decoration-thickness: .18em; }
:focus { outline: 4px solid var(--focus); outline-offset: 3px; }
.skip-link { position: absolute; left: 1rem; top: 1rem; background: var(--focus); color: #000; padding: .75rem 1rem; transform: translateY(-150%); z-index: 1000; font-weight: 800; border-radius: .5rem; }
.skip-link:focus { transform: translateY(0); }
header {
  border-bottom: 1px solid var(--border-soft);
  background: rgba(3, 7, 18, .96);
  box-shadow: 0 1rem 2.5rem rgba(0, 0, 0, .32);
}
.topbar { max-width: var(--max); margin: auto; padding: 1rem; display: flex; gap: 1rem; align-items: center; justify-content: space-between; flex-wrap: wrap; }
.logo { display: inline-flex; align-items: center; gap: .75rem; font-weight: 900; font-size: 1.35rem; color: var(--fg); text-decoration: none; letter-spacing: .01em; }
.logo img { width: 3rem; height: 3rem; border-radius: .85rem; box-shadow: 0 0 0 2px var(--blue), 0 0 1.25rem var(--shadow); }
.logo:hover { color: var(--accent-strong); }
.language-switch { margin-left: auto; }
.language-switch a { display: inline-block; border: 2px solid var(--accent); border-radius: 999px; padding: .45rem .85rem; background: #050b16; color: var(--fg); text-decoration: none; font-weight: 800; }
.language-switch a:hover { background: var(--accent); color: #000; }
nav ul { max-width: var(--max); margin: 0 auto; padding: 0 1rem 1rem; list-style: none; display: flex; gap: .35rem .75rem; flex-wrap: wrap; }
nav a { display: block; padding: .5rem .72rem; border-radius: .55rem; color: var(--fg); border: 1px solid transparent; }
nav a:hover { border-color: var(--blue); background: var(--blue-soft); color: var(--fg); }
nav a[aria-current="page"] { background: var(--accent); color: #000; text-decoration: none; font-weight: 900; }
main { max-width: var(--max); margin: auto; padding: 2.5rem 1rem 4rem; }
h1 { font-size: clamp(2.2rem, 5vw, 4.25rem); line-height: 1.05; margin: 0 0 1rem; max-width: 14ch; }
h1::after { content: ""; display: block; width: 6rem; height: .35rem; background: linear-gradient(90deg, var(--accent), var(--link-strong)); border-radius: 999px; margin-top: 1rem; }
h2 { margin-top: 2.5rem; color: var(--accent-strong); }
h3 { color: var(--fg); }
.lead { font-size: 1.35rem; max-width: 58rem; color: var(--muted); }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr)); gap: 1rem; }
.cards article, .notice {
  background: linear-gradient(180deg, rgba(15, 23, 42, .98), rgba(7, 17, 31, .98));
  border: 1px solid var(--border-soft);
  border-radius: 1rem;
  padding: 1.15rem;
  box-shadow: 0 .75rem 2rem rgba(0, 0, 0, .24);
}
.cards article { border-top: .35rem solid var(--blue); }
.cards article:nth-child(even) { border-top-color: var(--accent); }
.cards article:hover { border-color: var(--link-strong); box-shadow: 0 0 0 1px var(--blue), 0 1rem 2.5rem var(--shadow); }
.checklist li, main li { margin-block: .4rem; }
.field { margin-block: 1rem; }
label { display: block; font-weight: 800; margin-bottom: .35rem; color: var(--accent-strong); }
input, select, button { font: inherit; padding: .7rem; border: 2px solid var(--border); border-radius: .55rem; max-width: 100%; background: #030712; color: var(--fg); }
input::placeholder { color: #94a3b8; }
button { background: var(--accent); color: #000; cursor: pointer; font-weight: 900; border-color: var(--accent); }
button:hover { background: var(--link-strong); border-color: var(--link-strong); }
footer { border-top: 1px solid var(--border-soft); padding: 2rem 1rem; background: rgba(3, 7, 18, .96); }
footer .inner { max-width: var(--max); margin: auto; color: var(--muted); }
@media (max-width: 42rem) {
  .topbar { align-items: flex-start; }
  .language-switch { margin-left: 0; }
  .logo img { width: 2.5rem; height: 2.5rem; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; } }