:root {
  --bg: #07070a;
  --bg-elev: #121214;
  --surface: #181818;
  --surface-2: #222226;
  --line: #2c2c32;
  --text: #f5f5f5;
  --muted: #b8b8b8;
  --faint: #8a8a93;
  --accent: #1976d2;
  --accent-deep: #1565c0;
  --accent-glow: rgba(25, 118, 210, 0.45);
  --yt: #ff0000;
  --radius: 18px;
  --shadow: 0 30px 80px rgba(0, 0, 0, 0.55);
  --font: "Manrope", "Segoe UI", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -2;
  background:
    radial-gradient(900px 500px at 80% -10%, rgba(25, 118, 210, 0.22), transparent 60%),
    radial-gradient(700px 420px at 10% 10%, rgba(255, 255, 255, 0.04), transparent 50%),
    linear-gradient(180deg, #0a0a0e 0%, #07070a 40%, #050507 100%);
}

.bedrock {
  position: fixed;
  inset: 0;
  z-index: -1;
  opacity: 0.18;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: radial-gradient(circle at 50% 20%, #000 20%, transparent 75%);
}

a { color: inherit; }

.wrap {
  width: min(1160px, calc(100% - 32px));
  margin: 0 auto;
}

.nav {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(18px);
  background: rgba(7, 7, 10, 0.72);
  border-bottom: 1px solid rgba(255,255,255,.06);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 72px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-weight: 800;
  letter-spacing: -0.03em;
  font-size: 1.15rem;
}

.brand img {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  box-shadow: 0 0 0 1px rgba(255,255,255,.08), 0 10px 24px rgba(0,0,0,.4);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-links a, .lang {
  text-decoration: none;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 600;
  padding: 8px 12px;
  border-radius: 999px;
}

.nav-links a:hover { color: var(--text); background: rgba(255,255,255,.05); }

.lang {
  border: 1px solid var(--line);
  background: transparent;
  color: var(--text);
  cursor: pointer;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  text-decoration: none;
  border: 0;
  cursor: pointer;
  font-weight: 800;
  border-radius: 12px;
  padding: 13px 20px;
  transition: transform .15s ease, background .15s ease, box-shadow .15s ease;
}

.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-play {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 10px 30px var(--accent-glow);
}
.btn-play:hover { background: var(--accent-deep); }

.btn-ghost {
  background: rgba(255,255,255,.05);
  color: var(--text);
  border: 1px solid rgba(255,255,255,.08);
}

.btn-yt {
  background: #161616;
  border: 1px solid rgba(255,255,255,.08);
}
.btn-yt img { width: 28px; height: 21px; }

.hero {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 48px;
  align-items: center;
  padding: 56px 0 36px;
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #9ecbff;
  background: rgba(25, 118, 210, .12);
  border: 1px solid rgba(25, 118, 210, .28);
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
}

h1 {
  margin: 16px 0 12px;
  font-size: clamp(2.4rem, 5vw, 4.4rem);
  line-height: 1.02;
  letter-spacing: -0.05em;
}

h1 span { color: #8ec4ff; }

.lead {
  font-size: 1.12rem;
  color: var(--muted);
  max-width: 560px;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 22px;
  color: var(--faint);
  font-size: 0.9rem;
}

.meta b { color: var(--text); font-weight: 700; }

.stage {
  position: relative;
  min-height: 540px;
}

.glow {
  position: absolute;
  width: 340px;
  height: 340px;
  left: 50%;
  top: 46%;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, var(--accent-glow), transparent 68%);
  filter: blur(8px);
}

.cube {
  position: absolute;
  left: 0;
  top: 12%;
  width: min(300px, 52vw);
  animation: float 6s ease-in-out infinite;
  filter: drop-shadow(0 30px 40px rgba(0,0,0,.6));
  z-index: 2;
}

.phone {
  position: absolute;
  right: 0;
  top: 20px;
  width: 250px;
  background: #101014;
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 28px;
  padding: 12px 10px 14px;
  box-shadow: var(--shadow);
  z-index: 3;
}

.notch {
  width: 86px;
  height: 8px;
  margin: 4px auto 10px;
  background: #000;
  border-radius: 20px;
}

.mock-banner {
  background: rgba(0,0,0,.9);
  color: #fff;
  font-size: 0.72rem;
  line-height: 1.35;
  padding: 10px 12px;
  border-radius: 10px;
  margin-bottom: 10px;
}

.mock-list {
  background: #1b1b1f;
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 10px;
}

.mock-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 10px;
  font-size: 0.78rem;
  border-bottom: 1px solid rgba(255,255,255,.05);
  color: #ddd;
}
.mock-row:last-child { border-bottom: 0; }
.mock-row img { width: 22px; height: 22px; border-radius: 6px; }
.mock-play {
  width: 100%;
  background: var(--accent);
  color: #fff;
  border: 0;
  border-radius: 12px;
  padding: 11px;
  font-weight: 800;
  font-size: 0.95rem;
  font-family: inherit;
}
.mock-yt {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
  background: #161616;
  border-radius: 12px;
  padding: 8px 10px;
  font-size: 0.75rem;
  color: #ddd;
}
.mock-yt img { width: 22px; }

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

.section { padding: 72px 0; }
.section h2 {
  margin: 0 0 10px;
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  letter-spacing: -0.04em;
}
#mods h2 { margin-bottom: 32px; }
.section .sub { color: var(--muted); margin: 0 0 32px; max-width: 640px; }

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.card {
  background: linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
  border: 1px solid rgba(255,255,255,.07);
  border-radius: var(--radius);
  padding: 22px;
  min-height: 170px;
}
.card img {
  width: 44px;
  height: 44px;
  object-fit: contain;
  margin-bottom: 14px;
  padding: 8px;
  border-radius: 12px;
  background: rgba(255,255,255,.05);
  filter: drop-shadow(0 6px 10px rgba(0,0,0,.4));
}
.card h3 { margin: 0 0 8px; font-size: 1.08rem; }
.card p { margin: 0; color: var(--muted); font-size: 0.95rem; }

.ecosystem {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
.eco {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 22px 12px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  text-align: center;
  color: var(--muted);
  font-weight: 700;
}
.eco img { width: 48px; height: 48px; object-fit: contain; }

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.step {
  padding: 24px;
  border-radius: var(--radius);
  background: #111116;
  border: 1px solid rgba(255,255,255,.06);
}
.num {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: var(--accent);
  font-weight: 800;
  margin-bottom: 14px;
}

.download {
  position: relative;
  overflow: hidden;
  border-radius: 28px;
  padding: 42px;
  background:
    radial-gradient(500px 200px at 90% 0%, rgba(25,118,210,.35), transparent 50%),
    linear-gradient(180deg, #14141a, #0e0e12);
  border: 1px solid rgba(25,118,210,.28);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: center;
}
.download h2 { margin-top: 0; }
.pkg { color: var(--faint); font-size: .88rem; margin: 0 0 4px; }
.dl-actions { display: flex; flex-wrap: wrap; gap: 10px; justify-content: flex-end; }

.versions-page { padding-top: 36px; min-height: 60vh; }
.versions-page h1 {
  margin: 0 0 10px;
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -0.04em;
}
.version-list { display: grid; gap: 12px; }
.ver-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 20px;
  background: linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
  border: 1px solid rgba(255,255,255,.07);
  border-radius: 18px;
}
.ver-main { display: flex; align-items: flex-start; gap: 14px; min-width: 0; }
.ver-main img {
  width: 44px;
  height: 44px;
  border-radius: 12px;
}
.ver-title { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.ver-meta { color: var(--faint); font-size: .9rem; margin-top: 4px; }
.ver-notes { color: var(--muted); margin: 8px 0 0; font-size: .92rem; white-space: pre-wrap; }
.ver-badge {
  background: rgba(25, 118, 210, .18);
  color: #9ecbff;
  border: 1px solid rgba(25, 118, 210, .35);
  border-radius: 999px;
  padding: 3px 10px;
  font-size: .75rem;
  font-weight: 800;
}

.yt-block {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 18px;
  align-items: center;
  padding: 22px;
  background: #140808;
  border: 1px solid rgba(255,0,0,.18);
  border-radius: 20px;
}
.yt-block img.icon-lg { width: 72px; height: 54px; }
.yt-block p { margin: 6px 0 0; color: var(--muted); }

footer {
  padding: 40px 0 60px;
  color: var(--faint);
  font-size: .88rem;
  border-top: 1px solid rgba(255,255,255,.06);
}
.foot {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}
.legal { max-width: 720px; }

@media (max-width: 920px) {
  .hero, .download, .yt-block { grid-template-columns: 1fr; }
  .dl-actions { justify-content: flex-start; }
  .ver-row { flex-direction: column; align-items: stretch; }
  .grid, .steps { grid-template-columns: 1fr 1fr; }
  .ecosystem { grid-template-columns: 1fr 1fr; }
  .stage {
    min-height: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 32px;
    padding: 8px 0 12px;
  }
  .glow { top: 22%; }
  .cube {
    position: static;
    left: auto;
    top: auto;
    width: min(220px, 62vw);
    transform: none;
  }
  .phone {
    position: static;
    left: auto;
    right: auto;
    top: auto;
    transform: none;
    width: min(240px, 78vw);
  }
  .nav-links a.hide-sm { display: none; }
}

@media (max-width: 640px) {
  .grid, .steps { grid-template-columns: 1fr; }
  .hero { padding-top: 28px; }
  .download { padding: 24px; }
  .phone { width: min(220px, 82vw); }
  .cube { width: min(200px, 58vw); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .cube { animation: none; }
}