*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;line-height:1.6;color:#333}.container{max-width:1200px;margin:0 auto;padding:0 20px}.btn{display:inline-block;padding:12px 24px;border:none;border-radius:6px;text-decoration:none;font-weight:600;cursor:pointer;transition:all .3s ease;text-align:center}.btn-primary{background:#007bff;color:white}.btn-primary:hover{background:#0056b3}.btn-secondary{background:#28a745;color:white}.btn-secondary:hover{background:#1e7e34}.btn-outline{background:transparent;color:#007bff;border:2px solid #007bff}.btn-outline:hover{background:#007bff;color:white}.section{padding:60px 0}.section-title{font-size:2.5rem;text-align:center;margin-bottom:3rem;color:#2c3e50}.grid{display:grid;gap:2rem}.grid-2{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}.grid-3{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}.grid-4{grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}.card{background:white;border-radius:8px;padding:2rem;box-shadow:0 4px 6px rgba(0,0,0,.1);transition:transform .3s ease}.card:hover{transform:translateY(-5px)}.modal{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.5);z-index:1000}.modal.active{display:flex;align-items:center;justify-content:center}.modal-content{background:white;padding:2rem;border-radius:8px;max-width:500px;width:90%;position:relative}.modal-close{position:absolute;top:10px;right:15px;background:none;border:none;font-size:24px;cursor:pointer}@media (max-width:768px){.container{padding:0 15px}.section-title{font-size:2rem}.grid-3{grid-template-columns:1fr}.grid-4{grid-template-columns:repeat(2,1fr)}}