.btn{padding:.6rem 1.2rem;border:none;border-radius:8px;cursor:pointer;font-size:.9rem;text-decoration:none;display:inline-flex;align-items:center;gap:.5rem;transition:all .3s ease}.btn-primary{background:#fff;color:#0077b5}.btn-primary:hover{background:#f0f0f0;transform:translateY(-2px)}.btn-secondary{background:rgba(255,255,255,.2);color:#fff;border:1px solid rgba(255,255,255,.3)}.btn-secondary:hover{background:rgba(255,255,255,.3)}.btn-large{padding:.8rem 2rem;font-size:1rem}.btn-small{padding:.4rem .8rem;font-size:.8rem;border-radius:6px}.btn-outline{background:0 0;border:1px solid #0077b5;color:#0077b5}.btn-outline:hover{background:#0077b5;color:#fff}.btn-danger{background:0 0;border:1px solid #dc3545;color:#dc3545}.btn-danger:hover{background:#dc3545;color:#fff}.btn-success{background:0 0;border:1px solid #28a745;color:#28a745}.btn-success:hover{background:#28a745;color:#fff}@media (max-width:768px){.btn{padding:.5rem 1rem;font-size:.85rem}}@media (max-width:480px){.btn{padding:.5rem .75rem;font-size:.8rem}.btn-small{width:100%}}