:root {
  --primary: #22c55e;
  --secondary: #1e293b;
  --bg-dark: #0f172a;
  --text-light: #f8fafc;
  --glass: rgba(255, 255, 255, 0.1);
  --blur: blur(12px);
}

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

body {
  background: radial-gradient(circle at top, #0f172a, #020617);
  color: var(--text-light);
  overflow-x: hidden;
  min-height: 100vh;
}

/* Animated Background */
.background-animation {
  position: fixed;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, rgba(34,197,94,0.1), transparent 60%);
  animation: pulse 6s ease-in-out infinite alternate;
  z-index: 0;
}
@keyframes pulse {
  0% { transform: scale(1); opacity: 0.5; }
  100% { transform: scale(1.3); opacity: 1; }
}

/* Header */
header {
  text-align: center;
  padding: 4rem 2rem 2rem;
  position: relative;
  z-index: 1;
}
header h1 {
  font-size: 3rem;
  color: var(--primary);
  margin-bottom: 0.5rem;
  text-shadow: 0 0 20px rgba(34,197,94,0.6);
}
header p {
  font-size: 1.2rem;
  opacity: 0.8;
}

/* Grid */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  padding: 2rem;
  max-width: 1100px;
  margin: auto;
  position: relative;
  z-index: 1;
}

/* Cards */
.card {
  background: var(--glass);
  backdrop-filter: var(--blur);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 20px;
  text-align: center;
  padding: 2rem 1rem;
  cursor: pointer;
  transition: all 0.4s ease;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}
.card:hover {
  transform: translateY(-10px) scale(1.03);
  box-shadow: 0 8px 30px rgba(34,197,94,0.3);
  border-color: var(--primary);
}
.card i {
  font-size: 2.5rem;
  color: var(--primary);
  margin-bottom: 1rem;
}
.card h2 {
  margin-bottom: 0.5rem;
}
.card p {
  opacity: 0.7;
}

/* Dynamic Section */
.dynamic-section {
  text-align: center;
  padding: 3rem 1rem;
}
.dynamic-section h3 {
  color: var(--primary);
  font-size: 1.6rem;
  margin-bottom: 0.5rem;
}
.dynamic-section p {
  font-size: 1.1rem;
  opacity: 0.85;
}

/* Footer */
footer {
  text-align: center;
  padding: 2rem;
  background: rgba(255, 255, 255, 0.05);
  font-size: 0.9rem;
  border-top: 1px solid rgba(255,255,255,0.1);
  backdrop-filter: var(--blur);
}
footer p {
  color: #a1a1aa;
}

/* Responsive */
@media (max-width: 600px) {
  header h1 {
    font-size: 2.2rem;
  }
  .card {
    padding: 1.5rem;
  }
}

.link-card {
  text-decoration: none;
  display: block;
  color: inherit;
}
.link-card:hover {
  transform: translateY(-10px) scale(1.03);
  box-shadow: 0 8px 30px rgba(34,197,94,0.3);
  border-color: var(--primary);
}
.link-card i {
  pointer-events: none;
}