:root {
  --bg-color: #f8fafc; /* Light background */
  --text-color: #0f172a; /* Dark text */
  --accent-color: #7c3aed; /* Indigo/Purple */
  --card-bg: #ffffff;
  --shadow-light: rgba(12, 18, 32, 0.08);
}

body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue",
    Arial, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 0;
  padding: 20px;
}

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

header {
  margin-bottom: 40px;
}

header h1 {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--accent-color);
  margin-bottom: 5px;
}

header p {
  color: #64748b;
  font-size: 1.1rem;
}

.link-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  margin-bottom: 50px;
}

.link-card {
  display: block;
  background-color: var(--card-bg);
  padding: 30px 20px;
  border-radius: 12px;
  text-decoration: none;
  color: var(--text-color);
  box-shadow: 0 4px 12px var(--shadow-light);
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
  border: 1px solid transparent;
}

.link-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px var(--shadow-light), 0 0 0 2px var(--accent-color);
  border-color: var(--accent-color);
}

.link-card i {
  font-size: 2.5rem;
  color: var(--accent-color);
  margin-bottom: 10px;
}

.link-card h2 {
  font-size: 1.3rem;
  font-weight: 600;
  margin: 0;
}

.link-card p {
  font-size: 0.9rem;
  color: #64748b;
  margin-top: 5px;
}

footer {
  padding-top: 20px;
  border-top: 1px solid #e2e8f0;
}

footer small {
  color: #94a3b8;
  font-size: 0.8rem;
}

@media (max-width: 600px) {
  header h1 {
    font-size: 2rem;
  }
}