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

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    sans-serif;
  background: linear-gradient(135deg, #2563eb 0%, #1e40af 100%);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow-x: hidden;
}

.container {
  max-width: 1200px;
  width: 90%;
  margin: 0 auto;
  padding: 40px 20px;
}

.hero {
  text-align: center;
  margin-bottom: 60px;
  animation: fadeInUp 1s ease-out;
}

.logo {
  font-size: 3.5rem;
  font-weight: 800;
  color: white;
  margin-bottom: 20px;
}

.subtitle {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.3rem;
  font-weight: 300;
  margin-bottom: 10px;
  letter-spacing: 0.5px;
}

.demo-badge {
  display: inline-block;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: white;
  padding: 8px 20px;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 30px;
}

.description {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  padding: 40px;
  margin-bottom: 50px;
  animation: slideInLeft 1s ease-out 0.3s both;
}

.description h2 {
  color: white;
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 20px;
  text-align: center;
}

.description p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.1rem;
  line-height: 1.8;
  text-align: center;
  margin-bottom: 30px;
}

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  margin-top: 30px;
}

.feature {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  padding: 20px;
  text-align: center;
  transition: all 0.3s ease;
}

.feature:hover {
  transform: translateY(-5px);
  background: rgba(255, 255, 255, 0.1);
}

.feature-icon {
  font-size: 2.5rem;
  margin-bottom: 15px;
  display: block;
}

.feature h3 {
  color: white;
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.feature p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.9rem;
  line-height: 1.5;
}

.download-section {
  text-align: center;
  animation: slideInRight 1s ease-out 0.6s both;
}

.download-title {
  color: white;
  font-size: 2.2rem;
  font-weight: 700;
  margin-bottom: 30px;
}

.download-buttons {
  display: flex;
  gap: 30px;
  justify-content: center;
  flex-wrap: wrap;
}

.download-btn {
  display: flex;
  align-items: center;
  gap: 15px;
  background: #1d4ed8;
  color: white;
  text-decoration: none;
  padding: 16px 32px;
  border-radius: 12px;
  font-size: 1.1rem;
  font-weight: 600;
  transition: all 0.3s ease;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.download-btn:hover {
  background: #1e40af;
  transform: translateY(-2px);
}

.download-btn.android {
  background: #16a34a;
}

.download-btn.android:hover {
  background: #15803d;
}

.download-btn.desktop {
  background: #1d4ed8;
}

.download-btn.desktop:hover {
  background: #1e40af;
}

.btn-icon {
  font-size: 1.5rem;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@media (max-width: 768px) {
  .logo {
    font-size: 2.5rem;
  }

  .subtitle {
    font-size: 1.1rem;
  }

  .description {
    padding: 30px 20px;
  }

  .download-buttons {
    flex-direction: column;
    align-items: center;
    gap: 20px;
  }

  .download-btn {
    width: 100%;
    max-width: 300px;
    justify-content: center;
  }
}
