.product-detail{background:var(--bg);padding:0 0 24px}.breadcrumb{background:#f5f7fa;padding:12px 0;border-bottom:1px solid #e0e6ed;margin-bottom:24px}.breadcrumb .container{max-width:1400px;margin:0 auto;padding:0 20px}.breadcrumb__list{list-style:none;padding:0;margin:0;display:flex;align-items:center;gap:8px;font-size:14px}.breadcrumb__list li{display:flex;align-items:center;color:#666}.breadcrumb__list li a{color:#1f3f8c;text-decoration:none;transition:color .3s ease}.breadcrumb__list li a:hover{color:#2563eb;text-decoration:underline}.breadcrumb__list li[aria-current=page]{color:#333;font-weight:500}.breadcrumb__list li span[aria-hidden=true]{margin:0 4px;color:#999;font-size:12px}.product-layout{display:grid;grid-template-columns:240px 1fr;gap:24px;max-width:1400px;margin:0 auto;padding:0 20px}.product-sidebar{position:sticky;top:100px;height:fit-content;background:var(--surface);border-radius:8px;box-shadow:0 2px 8px #00000014}.sidebar-nav__header{background:#1f3f8c;color:#fff;padding:18px 20px;border-radius:8px 8px 0 0}.sidebar-nav__header h2{margin:0;font-size:18px;font-weight:600;letter-spacing:.5px}.sidebar-nav__list{list-style:none;padding:0;margin:0}.sidebar-nav__link{display:block;padding:14px 20px;color:var(--text);text-decoration:none;transition:background-color .12s ease,color .12s ease,border-left-color .12s ease;border-left:3px solid transparent;background:var(--surface);font-size:15px}.sidebar-nav__link:hover{background:#f0f4ff;color:#1f3f8c;border-left-color:#1f3f8c}.sidebar-nav__link.active{background:#2c5aa0;color:#fff;border-left-color:#1f3f8c;font-weight:500}.sidebar-nav__link:active,.sidebar-nav__link.active{transition:none}@media (prefers-reduced-motion: reduce){.sidebar-nav__link{transition:none}}.product-content{background:white;border-radius:8px;padding:24px;box-shadow:0 2px 8px #0000000d}.product__top{display:grid;grid-template-columns:1fr 420px;gap:24px;margin-bottom:32px}.product__left{display:flex;flex-direction:column;gap:16px}.product__right{display:flex;flex-direction:column}.product__header{display:flex;flex-direction:column;gap:16px}.product__header .section__title{margin:0 0 16px;font-size:24px;color:var(--primary-dark);word-break:break-word;overflow-wrap:anywhere}.product__video{padding:12px}.product__video video{width:100%;height:380px;background:#000;border-radius:8px;display:block}.video__switch{display:flex;gap:16px;margin-top:10px;align-items:flex-start;justify-content:flex-start}.video__switch{flex-wrap:wrap}.video-switch__item{display:flex;flex-direction:column;align-items:flex-start;gap:8px}.video-thumbnail{position:relative;width:120px;height:68px;border-radius:6px;overflow:hidden;cursor:pointer;border:2px solid transparent;transition:all .3s ease;background:#f5f5f5}.video-thumbnail:hover{border-color:var(--primary);transform:translateY(-2px);box-shadow:0 4px 12px #00000026}.video-thumbnail img{width:100%;height:100%;object-fit:cover}.video-thumbnail__play{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:32px;height:32px;background:rgba(0,0,0,.7);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:12px;transition:all .3s ease}.video-thumbnail:hover .video-thumbnail__play{background:var(--primary);transform:translate(-50%,-50%) scale(1.1)}.product__main-image{display:flex;align-items:center;justify-content:center;padding:12px;aspect-ratio:4 / 3;width:100%;background:white;border:1px solid var(--border);border-radius:8px;box-shadow:0 2px 6px #0000000d}.product__main-image img{width:100%;height:100%;object-fit:contain;object-position:center;border-radius:4px}.product__thumbs{display:flex;gap:8px;overflow-x:auto;padding:8px 0;justify-content:flex-start;scroll-snap-type:x mandatory}.product__thumbs img{width:80px;height:60px;object-fit:contain;object-position:center;border:2px solid var(--border);border-radius:4px;cursor:pointer;background:#fff;scroll-snap-align:start;outline:none;transition:all .3s ease}.product__thumbs img:hover{border-color:var(--primary);transform:translateY(-2px)}.product__thumbs img:focus-visible{border-color:var(--primary-dark);box-shadow:0 0 0 3px #1f3f8c33}.product__thumbs img.active{border-color:var(--primary);box-shadow:0 0 0 3px #1f3f8c33}.product__info{padding:24px;background:#fafbfc;border:1px solid #e1e8ed;border-radius:8px;position:sticky;top:100px;height:fit-content;box-shadow:0 2px 12px #00000014}.info__block{margin-bottom:16px;padding-bottom:16px;border-bottom:1px solid #e0e0e0}.info__block:last-of-type{border-bottom:none;margin-bottom:20px}.info__subtitle{font-size:14px;color:#666;margin:0 0 8px;font-weight:600}.info__models,.info__screen,.info__colors,.info__summary{margin:0;font-size:14px;line-height:1.8;color:var(--text)}.color-option{display:inline;cursor:pointer;transition:color .3s ease}.color-option:hover{color:var(--primary)}.btn--large{width:100%;padding:14px 24px;font-size:16px;font-weight:600;text-align:center}.btn--primary{background:#2563eb;color:#fff;border:none;border-radius:4px;cursor:pointer;transition:all .3s ease;box-shadow:0 2px 8px #2563eb40}.btn--primary:hover{background:#1d4ed8;transform:translateY(-2px);box-shadow:0 6px 16px #2563eb66}.btn--primary:active{transform:translateY(0);box-shadow:0 2px 8px #2563eb40}.product__details-toggle{margin:24px 0 16px;padding:12px 32px;background:#1f3f8c;color:#fff;border:none;border-radius:4px;font-size:16px;font-weight:600;cursor:pointer;transition:all .3s ease;box-shadow:0 2px 8px #1f3f8c40}.product__details-toggle:hover{background:#1a3470;transform:translateY(-2px);box-shadow:0 6px 16px #1f3f8c66}.product__details-toggle:active{transform:translateY(0);box-shadow:0 2px 8px #1f3f8c40}.info__list{list-style:none;padding:0;margin:12px 0 0}.info__list li{display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px dotted var(--border)}.info__list li:last-child{border-bottom:none}.info__label{color:var(--muted)}.gallery__item{cursor:pointer;transition:transform .3s ease,box-shadow .3s ease;border-radius:8px;overflow:hidden;position:relative;display:block;margin:0;padding:0;aspect-ratio:16 / 9}.gallery__item:focus-visible{box-shadow:0 0 0 3px #1f3f8c4d}.gallery__item:hover{transform:scale(1.05);box-shadow:0 8px 25px #00000026}.gallery__item img{transition:transform .3s ease;width:100%;height:100%;object-fit:contain;object-position:center;display:block;border:1px solid var(--border);border-radius:8px;background:#fff}.gallery__item:hover img{transform:scale(1.1)}.gallery__item:after{content:"🔍";position:absolute;top:8px;right:8px;background:rgba(0,0,0,.7);color:#fff;width:30px;height:30px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:14px;opacity:0;transition:opacity .3s 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rgba(0,0,0,.5)}.image-modal__close:hover,.image-modal__close:focus{color:#ff6b6b}.image-modal__caption{text-align:center;color:#fff;padding:15px 0;font-size:18px;text-shadow:0 2px 10px rgba(0,0,0,.5);margin-top:10px}.image-modal__controls{position:absolute;bottom:30px;left:50%;transform:translate(-50%);background:rgba(0,0,0,.7);padding:10px 20px;border-radius:25px;color:#fff;font-size:14px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.product__details{margin-top:24px}.details__section{margin-top:32px}.details__section:first-child{margin-top:24px}.details__subtitle{font-size:20px;font-weight:600;color:var(--primary-dark);margin:0 0 16px;padding-bottom:10px;border-bottom:2px solid var(--border)}.details__content{background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:16px}.details__content p{margin:8px 0;line-height:1.8}.gallery__grid{display:grid;grid-template-columns:1fr;gap:16px;max-width:720px;margin:0 auto}.gallery__grid img{width:100%;height:100%;object-fit:contain;object-position:center;border:1px solid var(--border);border-radius:8px;background:#fff}.specs__grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.specs__card{background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:16px}.specs__card h4{margin:0 0 12px;font-size:16px;color:var(--primary-dark);font-weight:600}.specs__list{list-style:disc;padding-left:20px;margin:0}.specs__list li{margin:6px 0;line-height:1.7}@media (max-width: 960px){.product__top{grid-template-columns:1fr}.product__video video{height:280px}.product__main-image img{height:100%}.gallery__grid{grid-template-columns:1fr}.gallery__item img,.gallery__grid img{height:100%}.specs__grid{grid-template-columns:1fr}.product__hero{flex-direction:column;gap:8px}.product__info{width:100%}}@media (min-width: 961px){.product__info.card{border:none;background:transparent}.product__media{align-items:flex-start}.product__hero,.product__thumbs{justify-content:flex-start}.product__top{justify-items:center}.product__media{margin:0 auto}.product__info{width:auto;flex:1 1 420px}}@media (max-width: 640px){.product__video video{height:220px}.product__main-image img{height:100%}.gallery__grid{grid-template-columns:1fr}.gallery__item img,.gallery__grid img{height:100%}.product__header{gap:8px}}