body { margin: 0; font-family: Arial, sans-serif; background: linear-gradient(to bottom, #1e3c72, #2a5298); color: #fff; overflow-x: hidden; }
header { position: fixed; top: 0; left: 0; width: 100%; background: rgba(0, 0, 0, 0.8); z-index: 1000; display: flex; justify-content: space-between; align-items: center; padding: 10px 20px; box-sizing: border-box; }
.logo { font-size: 24px; font-weight: bold; text-transform: uppercase; letter-spacing: 2px; color: #fff; }
nav { display: flex; gap: 20px; }
nav a { color: #fff; text-decoration: none; font-size: 16px; transition: color 0.3s ease; }
nav a:hover { color: #00ff00; }
main { margin-top: 80px; padding: 20px; box-sizing: border-box; }
.section-title { text-align: center; font-size: 36px; margin-bottom: 40px; position: relative; }
.section-title::after { content: ''; position: absolute; bottom: -10px; left: 50%; transform: translateX(-50%); width: 100px; height: 3px; background: #00ff00; }
.grid-container { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; }
.card { background: rgba(255, 255, 255, 0.1); padding: 20px; border-radius: 10px; box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2); transition: transform 0.3s ease, box-shadow 0.3s ease; }
.card:hover { transform: scale(1.05); box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3); }
.card img { width: 100%; height: auto; border-radius: 10px; margin-bottom: 15px; }
.card h3 { font-size: 20px; margin-bottom: 10px; }
.card p { font-size: 14px; line-height: 1.5; }
.particle-effect { position: relative; width: 100%; height: 400px; background: linear-gradient(to right, #1e3c72, #2a5298); overflow: hidden; margin-bottom: 40px; }
.particle-effect::before { content: ''; position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); width: 200px; height: 200px; background: rgba(255, 255, 255, 0.2); border-radius: 50%; animation: particle-move 3s infinite; }
@keyframes particle-move { 0% { transform: translate(-50%, -50%) scale(1); } 50% { transform: translate(-50%, -50%) scale(1.5); } 100% { transform: translate(-50%, -50%) scale(1); } }
footer { background: rgba(0, 0, 0, 0.8); color: #fff; padding: 20px; text-align: center; }
@media (max-width: 768px) { .section-title { font-size: 28px; } .card { padding: 15px; } nav { flex-direction: column; align-items: center; } }
@media (max-width: 480px) { .logo { font-size: 20px; } nav a { font-size: 14px; } }