*{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 1rem}.header{background:white;box-shadow:0 2px 4px #0000001a;padding:1rem 0}.nav{display:flex;justify-content:space-between;align-items:center}.logo{font-size:1.5rem;font-weight:700;color:#000;text-decoration:none}.nav-links{display:flex;gap:2rem;list-style:none}.nav-links a{text-decoration:none;color:#666;font-weight:500}.nav-links a:hover{color:#000}.product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:2rem;margin-top:2rem}.product-card{background:white;border-radius:8px;overflow:hidden;box-shadow:0 2px 8px #0000001a;transition:transform .2s}.product-card:hover{transform:translateY(-4px)}.product-image{width:100%;height:200px;object-fit:cover}.product-info{padding:1rem}.product-name{font-size:1.1rem;font-weight:600;margin-bottom:.5rem}.product-price{font-size:1.2rem;font-weight:700;color:#000}.btn{padding:.75rem 1.5rem;border:none;border-radius:4px;font-weight:600;cursor:pointer;transition:background-color .2s}.btn-primary{background:#000;color:#fff}.btn-primary:hover{background:#333}.btn-secondary{background:#f5f5f5;color:#333}.btn-secondary:hover{background:#e5e5e5}.flash-sale-badge{background:linear-gradient(45deg,#ff6b6b,#ff8e8e);color:#fff;padding:.25rem .5rem;border-radius:4px;font-size:.8rem;font-weight:700;margin-bottom:.5rem;display:inline-block}.sale-price{color:#ff6b6b!important;font-weight:700}.original-price{text-decoration:line-through;color:#999}.savings-badge{background:#ff6b6b;color:#fff;padding:.2rem .5rem;border-radius:4px;font-size:.75rem;font-weight:700;display:inline-block}.discount-percentage{background:#28a745;color:#fff;padding:.3rem .6rem;border-radius:6px;font-weight:700;font-size:.9rem}.price-comparison{display:flex;align-items:center;gap:.5rem;margin-bottom:.5rem}.flash-sale-alert{background:#fff3cd;border:1px solid #ffeaa7;border-radius:6px;padding:.75rem;color:#856404;font-size:.9rem;font-weight:500;margin-top:.5rem}.savings-highlight{color:#28a745;font-weight:700;font-size:1.1rem}.timer-container{background:#f8f9fa;border:2px solid #dee2e6;border-radius:8px;padding:1rem;margin:1rem 0}.timer-active{background:#fff5f5;border-color:#feb2b2}.timer-upcoming{background:#eff6ff;border-color:#93c5fd}.timer-ended{background:#f9fafb;border-color:#d1d5db}@media (max-width: 768px){.nav{flex-direction:column;gap:1rem}.product-grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:1rem}}