* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, Arial, sans-serif;
  background: linear-gradient(135deg, #0b1a33 0%, #1a3a5c 50%, #0b1a33 100%);
  color: #e2e8f0;
  min-height: 100vh;
}

.hero {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 40px 20px;
}

.hero-content {
  max-width: 900px;
  width: 100%;
  text-align: center;
}

.hero h1 {
  font-size: 36px;
  font-weight: 600;
  margin: 0 0 8px;
  color: #ffffff;
  letter-spacing: -0.5px;
}

.hero-sub {
  font-size: 16px;
  color: #94a3b8;
  margin: 0 0 40px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 40px;
}

.card-link {
  display: block;
  background: rgba(255,255,255,0.06);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 12px;
  padding: 28px 20px;
  text-align: center;
  text-decoration: none;
  color: #e2e8f0;
  transition: all .25s ease;
}

.card-link:hover {
  background: rgba(255,255,255,0.12);
  border-color: rgba(255,255,255,0.25);
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}

.card-icon {
  font-size: 36px;
  margin-bottom: 12px;
}

.card-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 6px;
  color: #ffffff;
}

.card-desc {
  font-size: 13px;
  color: #94a3b8;
  line-height: 1.4;
}

.footer-info {
  font-size: 13px;
  color: #64748b;
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 24px;
}

.footer-info p {
  margin: 6px 0;
}

@media (max-width: 700px) {
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .card-grid {
    grid-template-columns: 1fr;
  }
  .hero h1 {
    font-size: 24px;
  }
}