*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{font-family:'Inter',sans-serif;background:#f5f5f5;color:#1a1a1a;line-height:1.5;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
button{cursor:pointer;font-family:inherit}
a{text-decoration:none;color:inherit}
ul,ol{list-style:none}

/* Announcement Bar */
.ann-bar{background:#1a1a1a;padding:10px 0;overflow:hidden;white-space:nowrap;color:#fff}
.ann-track{display:inline-flex;align-items:center;will-change:transform}
.ann-item{display:inline-flex;align-items:center;flex-shrink:0}
.ann-item img{height:20px;width:auto;margin-right:12px;object-fit:contain}
.ann-item span{margin-right:24px;font-size:12px;font-weight:500;letter-spacing:0.05em}

/* Header */
.site-header{background:#fff;border-bottom:1px solid #e5e5e5}
.header-inner{max-width:1280px;margin:0 auto;padding:8px 16px;display:flex;align-items:center;justify-content:space-between}
.header-left{display:flex;align-items:center;gap:16px}
.header-right{display:flex;align-items:center;gap:20px}
.header-btn{background:transparent;border:none;color:#1a1a1a;padding:0}
.header-logo{height:40px;width:auto;object-fit:contain}
.cart-badge{position:absolute;top:-8px;right:-10px;background:#4CAF50;color:#fff;font-size:10px;font-weight:700;width:16px;height:16px;border-radius:50%;display:flex;align-items:center;justify-content:center}

/* Breadcrumb */
.breadcrumb{max-width:1280px;margin:0 auto;padding:12px 16px;font-size:14px;color:#666;display:flex;flex-wrap:wrap;align-items:center;gap:6px}
.breadcrumb a{text-decoration:underline;text-underline-offset:2px}
.breadcrumb a:hover{color:#1a1a1a}
.breadcrumb .sep{color:#999}
.breadcrumb .current{font-weight:500;color:#1a1a1a}

/* Main Layout */
.main-wrap{max-width:1152px;margin:0 auto;padding:24px 16px}
.product-layout{margin-top:24px;display:flex;flex-direction:column;gap:32px}
@media(min-width:1024px){.product-layout{flex-direction:row}}
.col-gallery{width:100%}
.col-info{width:100%}
@media(min-width:1024px){.col-gallery{width:50%}.col-info{width:50%}}

/* Gallery */
.gallery-main{position:relative;width:100%;padding-bottom:100%;overflow:hidden;border-radius:8px;background:#f5f5f5}
.gallery-slide{position:absolute;inset:0;transition:opacity 0.3s;display:flex;align-items:center;justify-content:center}
.gallery-slide img{max-width:100%;max-height:100%;object-fit:contain}
.gallery-nav{position:absolute;top:50%;transform:translateY(-50%);width:40px;height:40px;border-radius:50%;background:rgba(255,255,255,0.8);border:none;display:flex;align-items:center;justify-content:center;z-index:10;box-shadow:0 1px 3px rgba(0,0,0,0.1)}
.gallery-nav:hover{background:#fff}
.gallery-nav.prev{left:12px}
.gallery-nav.next{right:12px}
.gallery-counter{text-align:center;margin-top:12px;font-size:14px;color:#666}
.gallery-thumbs{display:flex;gap:8px;margin-top:12px;overflow-x:auto;padding:0 4px 8px}
.gallery-thumb{width:60px;height:60px;flex-shrink:0;border-radius:4px;border:2px solid #e5e5e5;overflow:hidden;opacity:0.7;cursor:pointer;background:transparent;padding:0;transition:all 0.2s}
.gallery-thumb.active{border-color:#4CAF50;opacity:1}
.gallery-thumb:hover{opacity:1}
.gallery-thumb img{width:100%;height:100%;object-fit:cover}

/* Product Info */
.product-title{font-size:22px;font-weight:700;line-height:1.3;color:#1a1a1a}
.price-label{font-size:12px;color:#888;margin-bottom:6px;margin-top:24px}
.price-row{display:flex;align-items:center;gap:12px}
.price-old{font-size:14px;color:#888;text-decoration:line-through}
.price-badge{background:#4CAF50;color:#fff;font-size:11px;font-weight:700;padding:2px 8px;border-radius:2px}
.price-current{font-size:28px;font-weight:700;color:#1a1a1a;margin-top:6px}
.price-installment{margin-top:10px;display:flex;align-items:center;gap:8px;font-size:14px;color:#555}
.price-installment strong{font-weight:700;color:#1a1a1a}
.price-economy{margin-top:4px;font-size:14px;color:#4CAF50;text-decoration:underline;text-underline-offset:2px}

/* Car Finder */
.car-finder{margin:20px auto 0;max-width:500px;width:100%}
.cf-box{border:1px solid #e5e7eb;border-top:5px solid #111;border-radius:16px;background:#fff;overflow:hidden;box-shadow:0 10px 30px rgba(13,37,94,0.1)}
.cf-header{display:flex;align-items:center;justify-content:space-between;padding:30px 30px 0;background:transparent;border:none;width:100%;text-align:left;cursor:pointer}
.cf-header h2{font-size:1.6rem;font-weight:700;color:#111;margin-bottom:6px}
.cf-chevron{width:22px;height:22px;color:#222;transition:transform 0.3s;flex-shrink:0}
.cf-body{padding:0 30px 30px;padding-top:8px}
.cf-subtitle{text-align:center;font-size:0.92em;color:#6b7280;margin-bottom:22px}
.cf-field{margin-bottom:16px}
.cf-label{display:block;margin-bottom:8px;font-size:0.85em;font-weight:700;text-transform:uppercase;letter-spacing:0.05em;color:#111}
.cf-select{height:46px;width:100%;border-radius:10px;border:1px solid #e5e7eb;background:#fff;padding:0 14px;font-family:inherit;font-size:1em;color:#111;transition:all 0.2s;outline:none;-webkit-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23666' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center}
.cf-select:focus{border-color:#111;box-shadow:0 0 0 3px rgba(17,17,17,0.08)}
.cf-select:disabled{cursor:not-allowed;background-color:#f3f4f6;color:#9ca3af}
.cf-result{margin-top:18px;animation:fadeInUp 0.35s ease}
.cf-result-box{border-radius:14px;border:1px solid #e5e7eb;background:#f8fafc;padding:16px;text-align:center;box-shadow:0 4px 10px rgba(17,17,17,0.06)}
.cf-result-box strong{color:#111}
.cf-result-list{margin-top:14px;border-radius:10px;border:1px solid #e5e7eb;background:#fff;padding:12px;text-align:left}
.cf-result-item{margin-bottom:6px;padding-bottom:6px;border-bottom:1px dashed #eef2f7;font-size:0.95em;color:#374151}
.cf-result-item:last-child{margin-bottom:0;padding-bottom:0;border-bottom:none}
.cf-result-item strong{display:inline-block;width:96px;color:#111}
.cf-upsell{margin-top:12px;display:flex;align-items:flex-start;gap:10px;border-radius:10px;border:1px dashed #111;background:#fff;padding:12px;text-align:left}
.cf-upsell input{margin-top:2px;width:20px;height:20px;flex-shrink:0;cursor:pointer;accent-color:#111}
.cf-upsell-label{display:block;font-size:0.82em;font-weight:800;text-transform:uppercase;letter-spacing:0.05em;color:#111;margin-bottom:2px}
.cf-upsell-text{font-size:0.92em;line-height:1.4;color:#111}
.cf-stock{margin-top:14px;font-size:0.92em;font-weight:600;color:#111;opacity:0.9}
@keyframes fadeInUp{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}

/* Kit Selector */
.kit-selector{margin-top:24px;display:flex;flex-direction:column;gap:12px}
.kit-option{position:relative;display:flex;align-items:center;gap:12px;width:100%;border-radius:8px;border:2px solid #e0e0e0;padding:12px;text-align:left;background:#fff;transition:all 0.2s;cursor:pointer}
.kit-option.active{border-color:#4CAF50;background:#f0faf0}
.kit-radio{width:24px;height:24px;flex-shrink:0;border-radius:50%;border:2px solid #ccc;display:flex;align-items:center;justify-content:center;transition:all 0.2s}
.kit-option.active .kit-radio{border-color:#4CAF50;background:#4CAF50}
.kit-check{display:none}
.kit-option.active .kit-check{display:block}
.kit-thumb{width:48px;height:48px;flex-shrink:0;border-radius:4px;object-fit:contain}
.kit-info{flex:1;min-width:0}
.kit-badge{display:inline-block;background:#4CAF50;color:#fff;font-size:10px;font-weight:700;text-transform:uppercase;padding:2px 6px;border-radius:2px}
.kit-label{margin-top:2px;font-size:14px;font-weight:600;color:#1a1a1a;line-height:1.3}
.kit-economy{font-size:12px;color:#4CAF50;font-weight:500}
.kit-price{flex-shrink:0;text-align:right}
.kit-discount{position:absolute;top:8px;right:12px;background:#ef4444;color:#fff;font-size:10px;font-weight:700;padding:2px 6px;border-radius:2px}
.kit-price-old{font-size:12px;color:#999;text-decoration:line-through;margin-top:12px}
.kit-price-current{font-size:18px;font-weight:700;color:#1a1a1a}

/* CTA Button */
.cta-btn{display:block;width:100%;margin-top:20px;padding:16px;background:#2bbaa0;color:#fff;font-size:16px;font-weight:700;text-transform:uppercase;letter-spacing:0.1em;text-align:center;border:none;border-radius:8px;transition:background 0.2s}
.cta-btn:hover{background:#249e88}

/* Description - lazy render */
.description{margin-top:48px;border-top:1px solid #e5e5e5;padding:40px 0 64px;content-visibility:auto;contain-intrinsic-size:auto 2000px}
.description h2{text-align:center;font-size:24px;font-weight:700;font-style:italic;color:#1a1a1a;margin-bottom:32px}
.desc-content{max-width:960px;margin:0 auto}
.desc-content img{width:100%;height:auto}
.video-wrap{position:relative;margin-top:32px;border-radius:12px;overflow:hidden}
.video-thumb-btn{position:relative;display:block;width:100%;border:none;background:transparent;padding:0;cursor:pointer}
.video-overlay{position:absolute;inset:0;background:rgba(0,0,0,0.3);transition:background 0.3s}
.video-thumb-btn:hover .video-overlay{background:rgba(0,0,0,0.4)}
.video-play-center{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px}
.video-play-btn{width:80px;height:80px;border-radius:50%;background:#4CAF50;display:flex;align-items:center;justify-content:center;box-shadow:0 0 30px rgba(76,175,80,0.5);transition:transform 0.3s}
.video-thumb-btn:hover .video-play-btn{transform:scale(1.1)}
.video-play-label{background:rgba(0,0,0,0.6);color:#fff;padding:6px 16px;border-radius:20px;font-size:14px;font-weight:600;letter-spacing:0.05em}
.video-player{width:100%;height:auto}

/* Reviews - lazy render */
.reviews-summary{margin-top:32px;border-top:1px solid #e5e5e5;padding:40px 0;content-visibility:auto;contain-intrinsic-size:auto 1500px}
.reviews-inner{max-width:448px;margin:0 auto;text-align:center}
.reviews-title{font-size:20px;font-weight:700;color:#1a1a1a;margin-bottom:24px}
.reviews-score{font-size:60px;font-weight:700;color:#1a1a1a;margin-bottom:8px}
.reviews-stars{display:flex;justify-content:center;gap:2px;margin-bottom:8px}
.reviews-count{font-size:14px;color:#777;margin-bottom:32px}
.breakdown-row{display:flex;align-items:center;gap:8px;margin-bottom:10px}
.breakdown-num{width:12px;text-align:right;font-size:14px;color:#555}
.breakdown-bar{flex:1;height:12px;background:#e8e8e8;border-radius:6px;overflow:hidden}
.breakdown-fill{height:100%;background:#d4a017;border-radius:6px;transition:width 0.3s}
.breakdown-count{width:32px;text-align:right;font-size:14px;color:#555}
.write-review-btn{width:100%;margin-top:24px;margin-bottom:24px;padding:14px;background:#333;color:#fff;border:none;border-radius:20px;font-size:14px;font-weight:600;cursor:pointer;transition:background 0.2s}
.write-review-btn:hover{background:#1a1a1a}
.filter-wrap{position:relative;display:inline-block;width:100%;max-width:200px}
.filter-btn{display:flex;align-items:center;justify-content:space-between;width:100%;padding:10px 20px;border:1px solid #ddd;border-radius:20px;background:#fff;font-size:14px;color:#333;cursor:pointer;transition:border-color 0.2s}
.filter-btn:hover{border-color:#bbb}
.filter-dropdown{position:absolute;top:100%;left:0;right:0;margin-top:4px;background:#fff;border:1px solid #ddd;border-radius:8px;box-shadow:0 4px 12px rgba(0,0,0,0.1);overflow:hidden;z-index:10;display:none}
.filter-dropdown.open{display:block}
.filter-item{width:100%;padding:10px 20px;text-align:left;font-size:14px;color:#333;border:none;background:transparent;cursor:pointer;transition:background 0.2s}
.filter-item:hover{background:#f5f5f5}

.reviews-grid{border-top:1px solid #e5e5e5;padding:32px 0;display:grid;gap:12px;grid-template-columns:1fr}
@media(min-width:640px){.reviews-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.reviews-grid{grid-template-columns:repeat(3,1fr)}}
.review-card{border:1px solid #e5e5e5;border-radius:8px;background:#fff;padding:16px;overflow:hidden}
.review-header{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.review-avatar{width:40px;height:40px;flex-shrink:0;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;color:#fff}
.review-name{font-size:14px;font-weight:600;color:#1a1a1a;display:flex;align-items:center}
.review-stars{display:flex;gap:2px;margin-top:2px}
.review-text{font-size:14px;line-height:1.6;color:#555}
.review-img{margin-top:12px;border-radius:6px;overflow:hidden}
.review-img img{width:100%;height:auto;object-fit:cover}

/* Footer - lazy render */
.site-footer{margin-top:48px;background:#f5f5f5;content-visibility:auto;contain-intrinsic-size:auto 800px}
.footer-inner{max-width:1200px;margin:0 auto;padding:40px 16px 24px}
.footer-logo-mobile{display:flex;justify-content:center;margin-bottom:24px}
@media(min-width:1024px){.footer-logo-mobile{display:none}}
.footer-logo-mobile img,.footer-logo-desktop img{height:40px;width:auto;object-fit:contain}
.footer-grid{display:block}
@media(min-width:1024px){.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px}}
.footer-section{border-bottom:1px solid #e0e0e0}
@media(min-width:1024px){.footer-section{border-bottom:none}}
.footer-toggle{display:flex;align-items:center;justify-content:space-between;width:100%;padding:16px 0;background:transparent;border:none;font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:0.05em;color:#333}
@media(min-width:1024px){.footer-toggle{cursor:default;margin-bottom:16px;padding:0}}
.footer-toggle-icon{display:block}
@media(min-width:1024px){.footer-toggle-icon{display:none}}
.footer-content{overflow:hidden;transition:all 0.3s}
@media(min-width:1024px){.footer-content{max-height:none!important;overflow:visible!important;padding-bottom:0!important}}
.footer-text{font-size:13px;line-height:1.6;color:#555}
.footer-text p{margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:8px}
.footer-links a{font-size:13px;color:#555;transition:color 0.2s}
.footer-links a:hover{color:#333}
.footer-email{width:100%;padding:10px 16px;border:1px solid #ccc;border-radius:20px;font-size:14px;color:#333;outline:none;background:#fff;margin-bottom:12px;transition:border-color 0.2s}
.footer-email:focus{border-color:#4CAF50}
.footer-submit{width:100%;padding:12px;background:#333;color:#fff;border:none;border-radius:20px;font-size:14px;font-weight:600;cursor:pointer;transition:background 0.2s}
.footer-submit:hover{background:#222}
.footer-social{margin-top:32px;margin-bottom:24px;text-align:center}
.footer-social p{font-size:14px;color:#555;margin-bottom:12px}
.footer-social-links{display:flex;justify-content:center;gap:8px}
.footer-social-links a{width:32px;height:32px;border-radius:50%;background:#888;display:flex;align-items:center;justify-content:center;transition:background 0.2s}
.footer-social-links a:hover{background:#4CAF50}
.footer-social-links a svg{width:16px;height:16px;fill:#fff}
.footer-payments{text-align:center;margin-bottom:24px}
.footer-payments p{font-size:14px;color:#555;margin-bottom:12px}
.payment-icons{display:flex;justify-content:center;gap:8px}
.payment-icon{width:38px;height:24px;border:1px solid #ddd;border-radius:4px;background:#fff;display:flex;align-items:center;justify-content:center;font-size:8px;font-weight:700;color:#666}
.footer-bottom{border-top:1px solid #e0e0e0;padding:16px;text-align:center}
.footer-bottom p{font-size:12px;color:#888}
.footer-logo-desktop{display:none;margin-bottom:24px}
@media(min-width:1024px){.footer-logo-desktop{display:block}}

/* Floating CTA */
.floating-cta{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);z-index:50;white-space:nowrap;padding:14px 32px;background:#2bbaa0;color:#fff;border:none;border-radius:8px;font-size:14px;font-weight:700;text-transform:uppercase;letter-spacing:0.1em;box-shadow:0 4px 14px rgba(43,186,160,0.4);transition:all 0.3s;opacity:0;pointer-events:none}
.floating-cta.visible{opacity:1;pointer-events:auto}
.floating-cta:hover{background:#249e88}
@keyframes ctaPulse{0%,100%{transform:translateX(-50%) scale(1)}50%{transform:translateX(-50%) scale(1.05)}}
.floating-cta.pulse{animation:ctaPulse 2.5s ease-in-out infinite}

/* SVG Icons inline */
.icon-sm{width:16px;height:16px}
.icon-md{width:20px;height:20px}
.icon-lg{width:24px;height:24px}