@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: #ffffff;
  color: #1a1a1a;
  overflow-x: hidden;
  min-height: 100vh;
  position: relative;
}

.background-elements {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  overflow: hidden;
}

.circle {
  position: absolute;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(79, 142, 247, 0.1), rgba(79, 142, 247, 0.05));
  animation: float 20s infinite ease-in-out;
}

.circle-1 {
  width: 300px;
  height: 300px;
  top: -150px;
  right: -150px;
  animation-delay: 0s;
}

.circle-2 {
  width: 200px;
  height: 200px;
  bottom: -100px;
  left: -100px;
  animation-delay: -7s;
}

.circle-3 {
  width: 150px;
  height: 150px;
  top: 40%;
  right: 10%;
  animation-delay: -14s;
}

@keyframes float {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  25% { transform: translateY(-20px) rotate(90deg); }
  50% { transform: translateY(0px) rotate(180deg); }
  75% { transform: translateY(20px) rotate(270deg); }
}

main {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 2rem;
  text-align: center;
  position: relative;
  z-index: 1;
}

.logo-section {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
  opacity: 0;
  animation: slideUp 1s 0.2s forwards;
}

.logo-icon {
  background: linear-gradient(135deg, #4f8ef7, #366ccc);
  color: white;
  width: 60px;
  height: 60px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.2rem;
  box-shadow: 0 8px 32px rgba(79, 142, 247, 0.3);
}

header h1 {
  font-size: 4rem;
  font-weight: 700;
  background: linear-gradient(135deg, #4f8ef7, #366ccc);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin: 0;
}

.tagline {
  font-size: 1.5rem;
  font-weight: 500;
  color: #4f8ef7;
  margin-bottom: 0.5rem;
  opacity: 0;
  animation: slideUp 1s 0.4s forwards;
}

.description {
  font-size: 1.1rem;
  color: #666;
  margin-bottom: 2.5rem;
  max-width: 480px;
  line-height: 1.6;
  opacity: 0;
  animation: slideUp 1s 0.6s forwards;
}

.cta-section {
  opacity: 0;
  animation: slideUp 1s 0.8s forwards;
}

.btn-primary {
  display: inline-block;
  background: linear-gradient(135deg, #4f8ef7, #366ccc);
  color: white;
  text-decoration: none;
  padding: 1.2rem 3rem;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1.1rem;
  box-shadow: 0 12px 40px rgba(79, 142, 247, 0.4);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s ease;
}

.btn-primary:hover::before {
  left: 100%;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 50px rgba(79, 142, 247, 0.6);
}

.launch-text {
  margin-top: 1rem;
  color: #888;
  font-size: 0.9rem;
  font-weight: 500;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2rem;
  margin-top: 4rem;
  max-width: 800px;
  width: 100%;
  opacity: 0;
  animation: slideUp 1s 1s forwards;
}

.feature-card {
  background: rgba(247, 250, 255, 0.8);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(79, 142, 247, 0.1);
  border-radius: 20px;
  padding: 2rem 1.5rem;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(135deg, #4f8ef7, #366ccc);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.feature-card:hover::before {
  transform: scaleX(1);
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 60px rgba(79, 142, 247, 0.2);
  border-color: rgba(79, 142, 247, 0.3);
}

.feature-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  display: block;
}

.feature-card h3 {
  font-size: 1.3rem;
  font-weight: 600;
  color: #1a1a1a;
  margin-bottom: 0.5rem;
}

.feature-card p {
  color: #666;
  font-size: 0.95rem;
  line-height: 1.5;
}

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

@media (max-width: 768px) {
  header h1 {
    font-size: 3rem;
  }
  
  .tagline {
    font-size: 1.3rem;
  }
  
  .description {
    font-size: 1rem;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .logo-section {
    flex-direction: column;
    gap: 0.5rem;
  }
}

@media (max-width: 480px) {
  main {
    padding: 1rem;
  }
  
  header h1 {
    font-size: 2.5rem;
  }
  
  .btn-primary {
    padding: 1rem 2.5rem;
    font-size: 1rem;
  }
}