:root {
  --bg-deep: #041426;
  --bg-mid: #093860;
  --ice: #d6f5ff;
  --accent: #1dd9ff;
  --accent-2: #ff9f1c;
  --text: #f4fbff;
  --muted: #a7cadf;
  --card: rgba(8, 29, 52, 0.72);
  --stroke: rgba(255, 255, 255, 0.16);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: "Manrope", sans-serif;
  color: var(--text);
  background: radial-gradient(circle at 20% 10%, #0c4f79 0%, var(--bg-deep) 42%, #03101d 100%);
  min-height: 100vh;
  overflow-x: hidden;
}

.container {
  width: min(1120px, 92vw);
  margin: 0 auto;
}

.bg-glow {
  position: fixed;
  filter: blur(90px);
  border-radius: 50%;
  z-index: -1;
  opacity: 0.6;
}
.bg-glow-a {
  width: 340px; height: 340px;
  background: #00e5ff;
  top: -100px; left: -60px;
}
.bg-glow-b {
  width: 380px; height: 380px;
  background: #ffc74e;
  bottom: -140px; right: -100px;
}

.site-header {
  position: sticky;
  top: 0;
  backdrop-filter: blur(10px);
  background: rgba(3, 18, 34, 0.55);
  border-bottom: 1px solid var(--stroke);
  z-index: 10;
}
.nav-wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 0;
}
.logo {
  font-family: "Russo One", sans-serif;
  letter-spacing: 0.8px;
  font-size: 1.05rem;
}

.hero {
  padding: 86px 0 56px;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 34px;
  align-items: center;
}
.eyebrow {
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 1.8px;
  font-weight: 800;
  font-size: 0.8rem;
}
h1 {
  font-family: "Russo One", sans-serif;
  line-height: 1.06;
  font-size: clamp(2rem, 4.2vw, 4rem);
  margin: 12px 0;
}
.subtitle {
  color: var(--muted);
  font-size: clamp(1rem, 2vw, 1.15rem);
  max-width: 560px;
}

.hero-cta {
  display: flex;
  gap: 12px;
  margin-top: 28px;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  color: #03243d;
  background: linear-gradient(140deg, var(--accent), #99f1ff);
  padding: 13px 22px;
  border-radius: 14px;
  font-weight: 800;
  border: 0;
  box-shadow: 0 8px 24px rgba(16, 180, 212, 0.35);
  transition: transform .2s ease, box-shadow .2s ease;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(16, 180, 212, 0.48); }
.btn-ghost {
  color: var(--text);
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--stroke);
  box-shadow: none;
}
.btn-small { padding: 9px 16px; font-size: 0.9rem; }

.stats {
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}
.stats li span {
  display: block;
  font-family: "Russo One", sans-serif;
  font-size: 1.5rem;
}
.stats li small { color: var(--muted); }

.game-card {
  background: var(--card);
  border: 1px solid var(--stroke);
  border-radius: 24px;
  padding: 20px;
  box-shadow: 0 26px 60px rgba(0,0,0,0.35);
}
.screen {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}
.tile {
  aspect-ratio: 1;
  border-radius: 14px;
  display: grid;
  place-items: center;
  font-size: 1.75rem;
  border: 1px solid rgba(255,255,255,0.15);
}
.t1 { background: linear-gradient(160deg, #29d3ff, #198fbd); }
.t2 { background: linear-gradient(160deg, #ffd166, #ff9f1c); }
.t3 { background: linear-gradient(160deg, #8be9ff, #4dc8f0); }
.t4 { background: linear-gradient(160deg, #77ffc7, #20ba8b); }
.combo {
  outline: 2px solid #fff;
  box-shadow: 0 0 20px rgba(255,255,255,0.5);
  animation: pulse .9s ease-in-out infinite;
}
.combo-text {
  margin: 16px 0 0;
  text-align: center;
  font-family: "Russo One", sans-serif;
  color: var(--accent-2);
  letter-spacing: 1px;
}

.features { padding: 36px 0 24px; }
.section-title {
  font-family: "Russo One", sans-serif;
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  margin-bottom: 18px;
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.feature {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--stroke);
  border-radius: 16px;
  padding: 18px;
}
.feature h3 { margin-top: 0; }
.feature p { color: var(--muted); margin-bottom: 0; }

.cta { padding: 40px 0 70px; }
.cta-box {
  background: linear-gradient(145deg, rgba(0, 222, 255, 0.14), rgba(255,159,28,0.14));
  border: 1px solid var(--stroke);
  border-radius: 22px;
  padding: 28px;
  text-align: center;
}
.cta-box p { color: var(--muted); }

.site-footer {
  border-top: 1px solid var(--stroke);
  padding: 16px 0 28px;
  color: var(--muted);
  text-align: center;
  font-size: 0.9rem;
}

.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .55s ease, transform .55s ease;
}
.reveal.in {
  opacity: 1;
  transform: translateY(0);
}
.delay-1 { transition-delay: .12s; }
.delay-2 { transition-delay: .22s; }

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.06); }
}

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: 1fr; }
  .hero { padding-top: 58px; }
}