:root {
  color-scheme: dark;
  --bg: #0b1020;
  --panel: #121a2d;
  --panel-2: #17213a;
  --text: #eef4ff;
  --muted: #a8b6ce;
  --line: #2a3856;
  --accent: #7aa2ff;
  --accent-2: #7ee7c4;
  --warn: #ffd27a;
  --max: 1120px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background:
    radial-gradient(circle at 15% 0%, rgba(68, 105, 200, .22), transparent 32rem),
    radial-gradient(circle at 90% 20%, rgba(61, 189, 155, .12), transparent 26rem),
    var(--bg);
  color: var(--text);
  line-height: 1.6;
}
a { color: inherit; }
a:focus-visible, button:focus-visible {
  outline: 3px solid var(--warn);
  outline-offset: 3px;
}
.skip-link {
  position: fixed;
  top: .75rem;
  left: .75rem;
  z-index: 100;
  padding: .65rem .85rem;
  border-radius: .55rem;
  background: var(--text);
  color: var(--bg);
  transform: translateY(-200%);
  transition: transform .15s ease;
}
.skip-link:focus { transform: translateY(0); }
.wrap { width: min(var(--max), calc(100% - 2rem)); margin: 0 auto; }
nav {
  position: sticky; top: 0; z-index: 10;
  border-bottom: 1px solid rgba(255,255,255,.08);
  backdrop-filter: blur(14px);
  background: rgba(11,16,32,.78);
}
.navbar {
  min-height: 64px; display: flex; align-items: center; gap: 1rem;
  justify-content: space-between;
}
.brand { font-weight: 800; letter-spacing: .02em; text-decoration: none; }
.navlinks { display: flex; flex-wrap: wrap; gap: .8rem; align-items: center; }
.navlinks a { color: var(--muted); text-decoration: none; font-size: .94rem; }
.navlinks a:hover { color: var(--text); }
.lang {
  border: 1px solid var(--line); border-radius: 999px; padding: .35rem .65rem;
  color: var(--text) !important;
}
.hero { padding: 7rem 0 4.5rem; }
.kicker {
  display: inline-flex; gap: .5rem; align-items: center;
  padding: .35rem .7rem; border-radius: 999px;
  border: 1px solid rgba(126,231,196,.28);
  color: var(--accent-2); background: rgba(126,231,196,.08);
  font-size: .9rem; font-weight: 700;
}
h1 { font-size: clamp(2.6rem, 8vw, 5.4rem); line-height: .98; margin: 1rem 0; letter-spacing: -.04em; }
.hero p { max-width: 760px; font-size: clamp(1.08rem, 2vw, 1.28rem); color: var(--muted); }
.actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 1.6rem; }
.button {
  display: inline-flex; align-items: center; justify-content: center;
  padding: .78rem 1.05rem; border-radius: .75rem; text-decoration: none;
  font-weight: 700; border: 1px solid var(--line);
  background: var(--panel-2);
  transition: transform .15s ease, border-color .15s ease;
}
.button.primary { background: var(--accent); color: #071023; border-color: transparent; }
.button:hover { transform: translateY(-1px); }
section { padding: 3.4rem 0; }
.section-title { max-width: 720px; margin-bottom: 1.5rem; }
.section-title h2 { margin: 0 0 .5rem; font-size: clamp(1.8rem, 4vw, 2.6rem); }
.section-title p { margin: 0; color: var(--muted); }
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.card {
  border: 1px solid var(--line); border-radius: 1rem; padding: 1.25rem;
  background: linear-gradient(180deg, rgba(23,33,58,.82), rgba(18,26,45,.8));
}
.card h3 { margin-top: 0; }
.card p, .card li { color: var(--muted); }
.card code, pre {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
pre {
  overflow-x: auto; background: #080d19; padding: 1rem; border-radius: .8rem;
  border: 1px solid var(--line); color: #dce7fb;
}
.flow {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: .65rem; align-items: stretch;
}
.flow-secondary { margin-top: .65rem; }
.flow div {
  border: 1px solid var(--line); border-radius: .8rem; padding: .85rem;
  background: var(--panel); text-align: center; font-size: .94rem;
}
.flow .arrow { border: 0; background: transparent; color: var(--muted); padding-top: 1.2rem; }
.status {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1rem;
}
.status strong { color: var(--accent-2); }
.note {
  border-left: 3px solid var(--warn); padding: .8rem 1rem; color: var(--muted);
  background: rgba(255,210,122,.06);
}
footer { padding: 3rem 0 4rem; color: var(--muted); border-top: 1px solid var(--line); }
footer a { color: var(--text); }
@media (max-width: 820px) {
  .grid, .status { grid-template-columns: 1fr; }
  .flow { grid-template-columns: 1fr; }
  .flow .arrow { padding: 0; transform: rotate(90deg); }
  .hero { padding-top: 4.5rem; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}