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

:root {
  --bg-dark: #0a0a1a;
  --bg-card: rgba(255, 255, 255, 0.04);
  --accent-blue: #4a90ff;
  --accent-purple: #8b5cf6;
  --accent-cyan: #22d3ee;
  --text-primary: #ffffff;
  --text-secondary: rgba(255, 255, 255, 0.65);
  --glow-blue: 0 0 30px rgba(74, 144, 255, 0.3);
  --glow-purple: 0 0 30px rgba(139, 92, 246, 0.3);
}

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg-dark);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

.stars,
.stars2 {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

.stars {
  background-image:
    radial-gradient(1px 1px at 10% 20%, rgba(255,255,255,0.6), transparent),
    radial-gradient(1px 1px at 30% 60%, rgba(255,255,255,0.4), transparent),
    radial-gradient(1px 1px at 50% 10%, rgba(255,255,255,0.5), transparent),
    radial-gradient(1px 1px at 70% 40%, rgba(255,255,255,0.3), transparent),
    radial-gradient(1px 1px at 90% 70%, rgba(255,255,255,0.5), transparent),
    radial-gradient(1.5px 1.5px at 15% 80%, rgba(139,92,246,0.5), transparent),
    radial-gradient(1.5px 1.5px at 85% 15%, rgba(74,144,255,0.5), transparent),
    radial-gradient(1px 1px at 45% 90%, rgba(255,255,255,0.4), transparent),
    radial-gradient(1px 1px at 65% 30%, rgba(255,255,255,0.3), transparent),
    radial-gradient(1px 1px at 25% 45%, rgba(255,255,255,0.5), transparent);
  animation: twinkle 4s ease-in-out infinite alternate;
}

.stars2 {
  background-image:
    radial-gradient(1px 1px at 20% 50%, rgba(255,255,255,0.4), transparent),
    radial-gradient(1px 1px at 40% 80%, rgba(255,255,255,0.3), transparent),
    radial-gradient(1px 1px at 60% 20%, rgba(255,255,255,0.5), transparent),
    radial-gradient(1px 1px at 80% 60%, rgba(255,255,255,0.4), transparent),
    radial-gradient(1.5px 1.5px at 55% 55%, rgba(34,211,238,0.4), transparent),
    radial-gradient(1px 1px at 35% 35%, rgba(255,255,255,0.3), transparent),
    radial-gradient(1px 1px at 75% 85%, rgba(255,255,255,0.4), transparent);
  animation: twinkle 6s ease-in-out infinite alternate-reverse;
}

@keyframes twinkle {
  from { opacity: 0.6; }
  to { opacity: 1; }
}

header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(10, 10, 26, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

nav {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 32px;
  display: flex;
  align-items: center;
}

.nav-logo {
  height: 96px;
  width: auto;
  object-fit: contain;
}

main {
  position: relative;
  z-index: 1;
  padding-top: 100px;
}

.hero {
  max-width: 1200px;
  margin: 0 auto;
  padding: 80px 32px 60px;
  display: flex;
  align-items: center;
  gap: 60px;
}

.hero-content {
  flex: 1;
  min-width: 0;
}

h1 {
  font-family: 'Orbitron', sans-serif;
  font-weight: 900;
  font-size: clamp(48px, 6vw, 80px);
  line-height: 1.05;
  background: linear-gradient(135deg, #ffffff 0%, var(--accent-cyan) 40%, var(--accent-purple) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 24px;
  letter-spacing: 2px;
}

.tagline {
  font-size: 18px;
  line-height: 1.7;
  color: var(--text-secondary);
  max-width: 480px;
  margin-bottom: 40px;
}

.download-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 14px 28px;
  border-radius: 14px;
  text-decoration: none;
  color: #fff;
  font-family: 'Inter', sans-serif;
  transition: all 0.3s ease;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-android {
  background: linear-gradient(135deg, rgba(74, 144, 255, 0.15), rgba(139, 92, 246, 0.15));
}

.btn-android:hover {
  background: linear-gradient(135deg, rgba(74, 144, 255, 0.3), rgba(139, 92, 246, 0.3));
  border-color: rgba(74, 144, 255, 0.4);
  box-shadow: var(--glow-blue);
  transform: translateY(-2px);
}

.btn-ios {
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.15), rgba(236, 72, 153, 0.15));
}

.btn-ios:hover {
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.3), rgba(236, 72, 153, 0.3));
  border-color: rgba(139, 92, 246, 0.4);
  box-shadow: var(--glow-purple);
  transform: translateY(-2px);
}

.btn-icon {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
}

.btn-text {
  display: flex;
  flex-direction: column;
}

.btn-small {
  font-size: 11px;
  letter-spacing: 0.5px;
  color: var(--text-secondary);
  text-transform: uppercase;
}

.btn-large {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0.3px;
}

.hero-image {
  flex: 1;
  min-width: 0;
  display: flex;
  justify-content: center;
}

.hero-image img {
  width: 100%;
  max-width: 560px;
  border-radius: 20px;
  box-shadow:
    0 0 60px rgba(139, 92, 246, 0.25),
    0 0 120px rgba(74, 144, 255, 0.1),
    0 20px 60px rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.features {
  max-width: 1200px;
  margin: 0 auto;
  padding: 80px 32px 100px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.feature {
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 20px;
  padding: 40px 32px;
  text-align: center;
  transition: all 0.3s ease;
}

.feature:hover {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(139, 92, 246, 0.2);
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.3);
}

.feature-icon {
  font-size: 40px;
  margin-bottom: 20px;
}

.feature h3 {
  font-family: 'Orbitron', sans-serif;
  font-weight: 700;
  font-size: 18px;
  margin-bottom: 12px;
  background: linear-gradient(135deg, #ffffff, var(--accent-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.feature p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-secondary);
}

footer {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 40px 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-logo {
  height: 72px;
  width: auto;
  object-fit: contain;
  margin-bottom: 16px;
  opacity: 0.7;
}

footer p {
  font-size: 13px;
  color: var(--text-secondary);
}

@media (max-width: 900px) {
  .hero {
    flex-direction: column;
    text-align: center;
    padding: 60px 24px 40px;
    gap: 40px;
  }

  .tagline {
    margin-left: auto;
    margin-right: auto;
  }

  .download-buttons {
    justify-content: center;
  }

  .features {
    grid-template-columns: 1fr;
    max-width: 480px;
    padding: 40px 24px 80px;
  }
}

@media (max-width: 480px) {
  nav {
    padding: 14px 20px;
  }

  .hero {
    padding: 40px 20px 30px;
  }

  .download-buttons {
    flex-direction: column;
    align-items: stretch;
  }

  .btn {
    justify-content: center;
  }
}