*{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;background-color:#fff}a{text-decoration:none;color:inherit}button{cursor:pointer;border:none;outline:none;font-family:inherit}img{max-width:100%;height:auto}.container{max-width:1200px;margin:0 auto;padding:0 20px}.btn{display:inline-block;padding:12px 24px;border-radius:6px;font-weight:600;text-align:center;transition:all .3s ease;cursor:pointer}.btn-primary{background-color:#2563eb;color:#fff}.btn-primary:hover{background-color:#1d4ed8;transform:translateY(-2px)}.btn-secondary{background-color:transparent;color:#2563eb;border:2px solid #2563eb}.btn-secondary:hover{background-color:#2563eb;color:#fff}.grid{display:grid;gap:20px}.grid-2{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}.grid-3{grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}.grid-4{grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}@media (max-width: 768px){.container{padding:0 15px}.grid{gap:15px}}