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

:root {
  --primary: #6c7cfb;
  --primary-dark: #5a6ae6;
  --primary-light: #a6b1ff;
  --bg: #0c0e1a;
  --surface: rgba(255,255,255,0.04);
  --surface-hover: rgba(255,255,255,0.07);
  --border: rgba(255,255,255,0.08);
  --text: #f0f2ff;
  --text-muted: rgba(240,242,255,0.5);
  --radius: 20px;
}

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px 16px;
  overflow-x: hidden;
}

/* Animated background orbs */
.bg-orbs { position: fixed; inset: 0; pointer-events: none; overflow: hidden; z-index: 0; }
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.35;
  animation: float 8s ease-in-out infinite;
}
.orb-1 { width: 500px; height: 500px; background: radial-gradient(circle, #6c7cfb, transparent 70%); top: -200px; left: -150px; animation-delay: 0s; }
.orb-2 { width: 400px; height: 400px; background: radial-gradient(circle, #a855f7, transparent 70%); bottom: -100px; right: -100px; animation-delay: -3s; }
.orb-3 { width: 300px; height: 300px; background: radial-gradient(circle, #06b6d4, transparent 70%); top: 50%; left: 50%; transform: translate(-50%,-50%); animation-delay: -6s; }

@keyframes float {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-30px) scale(1.05); }
}

.container {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 480px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

/* Hero */
.hero { text-align: center; }

.badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--primary-light);
  background: rgba(108,124,251,0.15);
  border: 1px solid rgba(108,124,251,0.3);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 20px;
}

.logo {
  font-size: clamp(3rem, 10vw, 5rem);
  font-weight: 900;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, #fff 0%, var(--primary-light) 50%, var(--primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 14px;
}

.tagline {
  font-size: 1.1rem;
  color: var(--text-muted);
  font-weight: 500;
}


/* Download button */
.download-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  background: linear-gradient(135deg, var(--primary) 0%, #8b5cf6 100%);
  color: #fff;
  font-weight: 700;
  font-size: 1rem;
  padding: 18px 32px;
  border-radius: 16px;
  text-decoration: none;
  box-shadow: 0 8px 32px rgba(108,124,251,0.4);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  letter-spacing: 0.02em;
  position: relative;
  overflow: hidden;
}

.download-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.1), transparent);
  border-radius: inherit;
}

.download-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 48px rgba(108,124,251,0.5);
}

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

/* Features */
.features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  transition: all 0.2s;
}

.feature-card:hover {
  background: var(--surface-hover);
  border-color: rgba(108,124,251,0.25);
  transform: translateY(-2px);
}

.feature-icon { font-size: 1.5rem; display: block; margin-bottom: 10px; }

.feature-card h3 {
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 4px;
  color: var(--text);
}

.feature-card p {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* Footer */
.footer {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
  padding-bottom: 8px;
}

.footer p { margin-bottom: 8px; }

.footer nav { display: flex; justify-content: center; align-items: center; gap: 10px; }

.footer a {
  color: var(--primary-light);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s;
}

.footer a:hover { color: #fff; }

.footer span { color: var(--border); }

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

  .container {
    gap: 20px;
  }

  .logo {
    font-size: clamp(2.6rem, 14vw, 3.8rem);
    margin-bottom: 10px;
  }

  .tagline {
    font-size: 0.95rem;
  }

  .download-btn {
    padding: 15px 24px;
    font-size: 0.925rem;
  }

  .features {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .feature-card {
    padding: 16px 18px;
  }
}