:root {
  --bg-color: #0f172a;
  --card-bg: rgba(255, 255, 255, 0.05);
  --card-border: rgba(255, 255, 255, 0.1);
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --accent-1: #38bdf8;
  --accent-2: #818cf8;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
  margin: 0;
  padding: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 10% 20%, rgba(56, 189, 248, 0.1) 0%, transparent 20%),
    radial-gradient(circle at 90% 80%, rgba(129, 140, 248, 0.1) 0%, transparent 20%);
}

.container {
  width: 100%;
  max-width: 1200px;
  padding: 2rem;
  box-sizing: border-box;
  text-align: center;
}

h1 {
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: 4rem;
  background: linear-gradient(to right, var(--accent-1), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  letter-spacing: -0.05em;
  animation: fadeInDown 0.8s ease-out;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  justify-content: center;
  perspective: 1000px;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 24px;
  padding: 3rem 2rem;
  text-decoration: none;
  color: var(--text-primary);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  backdrop-filter: blur(12px);
  position: relative;
  overflow: hidden;
  group: pointer;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.03), transparent);
  transform: translateX(-100%);
  transition: 0.6s;
}

.card:hover::before {
  transform: translateX(100%);
}

.card:hover {
  transform: translateY(-10px);
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.card-icon {
  font-size: 3rem;
  margin-bottom: 1.5rem;
  transition: var(--transition);
}

.card:hover .card-icon {
  transform: scale(1.1);
  filter: drop-shadow(0 0 10px rgba(255, 255, 255, 0.3));
}

.card h2 {
  font-size: 2rem;
  margin: 0 0 1rem 0;
  font-weight: 700;
}

.card p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  margin: 0;
  line-height: 1.6;
}

.badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: rgba(255, 255, 255, 0.1);
  padding: 0.5rem 1rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 768px) {
  h1 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
  }
  
  .card-grid {
    grid-template-columns: 1fr;
    padding: 0 1rem;
  }
}