*{box-sizing:border-box;margin:0;padding:0;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif}body{color:#222;background-color:#000}.navbar{color:#fff;z-index:100;background:#111;justify-content:space-between;align-items:center;padding:1.2rem 5%;display:flex;position:sticky;top:0}.logo{color:#fff;letter-spacing:1px;font-size:1.8rem;font-weight:800;text-decoration:none}.nav-links{align-items:center;gap:25px;display:flex}.nav-links a{color:#fff;font-weight:500;text-decoration:none;transition:color .3s}.nav-links a:hover{color:#ff4757}.cart-badge{color:#fff;background:#ff4757;border-radius:20px;margin-left:5px;padding:2px 8px;font-size:.8rem}.hero{color:#fff;text-align:center;background:linear-gradient(orange,#0009),url(https://images.unsplash.com/photo-1556906781-9a412961c28c?auto=format&fit=crop&w=1200&q=80) 50%/cover;flex-direction:column;justify-content:center;align-items:center;height:60vh;padding:20px;display:flex}.hero h1{margin-bottom:15px;font-size:3.5rem}.cta-btn{color:#fff;cursor:pointer;background:#ff4757;border:none;border-radius:4px;padding:12px 30px;font-weight:700;text-decoration:none;transition:all .3s}.cta-btn:hover{background:#e04040}.product-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:30px;padding:40px 0;display:grid}.card{text-align:center;background:#fff;border-radius:8px;padding:20px;transition:transform .3s;box-shadow:0 4px 12px #0000000d}.card:hover{transform:translateY(-5px)}.card img{object-fit:contain;width:100%;height:200px}.card h3{margin:15px 0 8px;font-size:1.2rem}.price-tag{color:#ff4757;margin-bottom:15px;font-size:1.2rem;font-weight:700}.card-actions{justify-content:center;gap:10px;display:flex}.btn-secondary{color:#333;background:#f1f2f6;border-radius:4px;padding:8px 15px;font-size:.9rem;text-decoration:none}.btn-primary{color:#fff;cursor:pointer;background:#111;border:none;border-radius:4px;padding:8px 15px;font-size:.9rem}.btn-primary:hover{background:#ff4757}.details-container{flex-wrap:wrap;gap:50px;margin-top:40px;display:flex}.details-img{object-fit:contain;background:#fff;border-radius:8px;width:100%;max-width:500px;padding:20px}.details-info{flex:1;min-width:300px}.brand{text-transform:uppercase;color:#888;letter-spacing:1px;font-weight:700}.details-info h1{margin:10px 0;font-size:2.5rem}.details-desc{color:#555;margin:20px 0;line-height:1.6}.cart-layout{grid-template-columns:2fr 1fr;gap:40px;margin-top:30px;display:grid}@media (width<=768px){.cart-layout{grid-template-columns:1fr}}.cart-item{background:#fff;border-radius:8px;align-items:center;gap:20px;margin-bottom:15px;padding:15px;display:flex}.cart-item img{object-fit:contain;width:80px;height:80px}.remove-btn{color:#ff4757;cursor:pointer;background:0 0;border:none;font-weight:700}.summary-card{background:#fff;border-radius:8px;height:fit-content;padding:20px;box-shadow:0 4px 12px #0000000d}.summary-row{justify-content:space-between;margin:15px 0;font-size:1.1rem;display:flex}.form-group{text-align:left;flex-direction:column;margin-bottom:15px;display:flex}.form-group label{margin-bottom:5px;font-weight:600}.form-group input,.form-group select{border:1px solid #ccc;border-radius:4px;padding:10px;font-size:1rem}