:root {
  --bg: #000;
  --soft: #0a0a0a;
  --card: #101010;
  --border: #1f1f1f;
  --border-bright: #383838;
  --text: #f0f0f0;
  --muted: #8d8d8d;
  --faint: #555;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  caret-color: transparent;
}

::selection { background: #fff; color: #000; }

::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: #000; }
::-webkit-scrollbar-thumb { background: #2a2a2a; border-radius: 5px; }
::-webkit-scrollbar-thumb:hover { background: #3d3d3d; }

a { color: var(--text); }
a:focus-visible, .btn:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 3px;
}

/* ---------- Nav ---------- */

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(0, 0, 0, 0.78);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 32px;
}

.brand { text-decoration: none; color: var(--text); font-weight: 700; font-size: 17px; letter-spacing: 0.3px; }

.nav-links { display: flex; gap: 24px; }
.nav-links a { color: var(--muted); text-decoration: none; font-size: 14.5px; transition: color 0.15s ease; }
.nav-links a:hover { color: var(--text); }

/* ---------- Hero ---------- */

.hero {
  text-align: center;
  padding: 110px 20px 70px;
  background: radial-gradient(ellipse 55% 42% at 50% 18%, rgba(255, 255, 255, 0.055), transparent 70%);
}

.shine {
  font-size: clamp(46px, 8.5vw, 92px);
  font-weight: 800;
  letter-spacing: 1px;
  color: #fff;
  animation: glow 4.5s ease-in-out infinite;
}

@keyframes glow {
  0%, 100% { text-shadow: 0 0 10px rgba(255, 255, 255, 0.2); }
  50% { text-shadow: 0 0 26px rgba(255, 255, 255, 0.38); }
}

.tagline { color: var(--muted); font-size: 18.5px; margin-top: 16px; }
.version { color: var(--faint); font-size: 13px; margin-top: 12px; letter-spacing: 0.5px; }

.hero-buttons {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  margin-top: 36px;
}

.btn {
  display: inline-block;
  padding: 14px 30px;
  border-radius: 11px;
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}

.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn-primary { background: #fff; color: #000; width: min(320px, 100%); }
.btn-primary:hover { background: #d9d9d9; }

.btn-row { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; }

.btn-ghost { border: 1px solid var(--border); color: var(--text); background: var(--soft); }
.btn-ghost:hover { border-color: var(--border-bright); background: #111; }

.stats {
  display: flex;
  justify-content: center;
  margin: 48px auto 0;
  max-width: 420px;
  border: 1px solid var(--border);
  border-radius: 7px;
  background: var(--soft);
  overflow: hidden;
}
.stat { flex: 1; display: flex; flex-direction: column; padding: 10px 8px; }
.stat + .stat { border-left: 1px solid var(--border); }
.stat-value { font-size: 17px; font-weight: 700; font-variant-numeric: tabular-nums; }
.stat-label { font-size: 11px; color: var(--muted); margin-top: 1px; }

/* ---------- Sections ---------- */

.section { max-width: 960px; margin: 0 auto; padding: 72px 24px 8px; }
.section h2 { font-size: 29px; text-align: center; letter-spacing: 0.3px; }
.section-sub { text-align: center; color: var(--muted); margin: 10px 0 38px; font-size: 16px; }

.grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.grid .card:last-child { grid-column: 1 / -1; max-width: 430px; width: 100%; margin: 0 auto; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px 22px;
  transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.card:hover { transform: translateY(-3px); border-color: var(--border-bright); background: #131313; }
.card h3 { font-size: 17px; margin-bottom: 8px; display: flex; align-items: center; }
.card p { font-size: 14.5px; color: var(--muted); }

.card h3 svg { width: 20px; height: 20px; margin-right: 11px; flex-shrink: 0; color: #fff; }

/* ---------- Install ---------- */

.steps { display: flex; flex-direction: column; gap: 12px; max-width: 680px; margin: 32px auto 0; }
.step {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 13px;
  padding: 17px 19px;
}
.step p { font-size: 15px; }
.step-num {
  flex-shrink: 0;
  width: 30px; height: 30px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  background: #fff; color: #000;
  font-weight: 800; font-size: 14px;
}
.note { text-align: center; color: var(--faint); font-size: 13.5px; margin-top: 22px; }

/* ---------- Wiki ---------- */

.wiki {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 40px;
  max-width: 1020px;
  margin: 0 auto;
  padding: 56px 24px 20px;
}

.wiki-toc {
  position: sticky;
  top: 90px;
  align-self: start;
  display: flex;
  flex-direction: column;
  gap: 4px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--soft);
  padding: 16px;
}

.wiki-toc strong { font-size: 13px; color: var(--muted); margin-bottom: 6px; letter-spacing: 0.4px; }
.wiki-toc a { color: var(--muted); text-decoration: none; font-size: 14px; padding: 4px 0; }
.wiki-toc a:hover { color: var(--text); }

.wiki-body { min-width: 0; }
.wiki-body h1 { font-size: 34px; }
.wiki-body h2 { font-size: 23px; margin: 38px 0 12px; padding-top: 10px; border-top: 1px solid var(--border); }
.wiki-body h2:first-of-type { border-top: none; margin-top: 26px; }
.wiki-body h3 { font-size: 17px; margin: 22px 0 6px; }
.wiki-body p { color: var(--muted); font-size: 15px; margin-bottom: 12px; }
.wiki-body strong { color: var(--text); }

@media (max-width: 760px) {
  .wiki { grid-template-columns: 1fr; }
  .wiki-toc { position: static; flex-direction: row; flex-wrap: wrap; gap: 6px 16px; }
  .wiki-toc strong { width: 100%; }
}

/* ---------- Community ---------- */

.widget-wrap { display: flex; justify-content: center; margin-top: 34px; }
.widget-wrap iframe { border-radius: 12px; border: 1px solid var(--border); max-width: 100%; }

/* ---------- Footer ---------- */

footer {
  text-align: center;
  color: var(--faint);
  font-size: 13px;
  padding: 52px 20px 40px;
  margin-top: 56px;
  border-top: 1px solid var(--border);
}
footer p + p { margin-top: 10px; }
footer a { color: var(--muted); text-decoration: none; }
footer a:hover { color: var(--text); }

/* ---------- Reveal ---------- */

.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.55s ease, transform 0.55s ease; }
.reveal.visible { opacity: 1; transform: none; }

@media (max-width: 640px) {
  .nav-inner { padding: 14px 16px; }
  .nav-links { gap: 15px; }
  .hero { padding: 80px 16px 56px; }
  .stats { margin-top: 40px; }
  .stat-value { font-size: 15px; }
  .grid { grid-template-columns: 1fr; }
  .grid .card:last-child { max-width: none; }
}