* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Segoe UI", sans-serif;
}

body {
  background: linear-gradient(135deg, #0f2027, #203a43, #2c5364);
  color: #fff;
  min-height: 100vh;
}

.header {
  text-align: center;
  padding: 40px 20px;
}

.header h1 {
  font-size: 2.5rem;
  margin-bottom: 10px;
  letter-spacing: 1px;
}

.header p {
  opacity: 0.8;
}

.container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 25px;
  padding: 30px;
  max-width: 1100px;
  margin: auto;
}

.card {
  background: rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  padding: 25px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(8px);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent, rgba(255,255,255,0.2), transparent);
  transform: translateX(-100%);
  transition: 0.5s;
}

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

.card:hover {
  transform: translateY(-10px) scale(1.02);
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.5);
}

.card h3 {
  margin-bottom: 10px;
}

.card p {
  font-size: 0.95rem;
  opacity: 0.85;
  margin-bottom: 20px;
}

.card a {
  text-decoration: none;
  color: #fff;
  padding: 10px 18px;
  border-radius: 8px;
  background: linear-gradient(135deg, #00c6ff, #0072ff);
  display: inline-block;
  transition: 0.3s;
}

.card a:hover {
  opacity: 0.85;
}

@media (max-width: 600px) {
  .header h1 {
    font-size: 1.8rem;
  }

  .header p {
    font-size: 0.9rem;
  }

  .container {
    padding: 15px;
    gap: 15px;
  }

  .card {
    padding: 18px;
  }

  .card h3 {
    font-size: 1.1rem;
  }

  .card p {
    font-size: 0.85rem;
  }

  .card a {
    padding: 8px 14px;
    font-size: 0.85rem;
  }
}