.product-detail__grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:start}
.product-detail__tag{position:absolute;left:16px;top:16px;background:var(--red);color:#fff;padding:7px 12px;font-size:11px;text-transform:uppercase;font-weight:700;letter-spacing:.5px;z-index:2}

.product-gallery{position:relative;background:#f3f3f1;display:flex;flex-direction:column;min-height:420px}
.product-gallery__main{position:relative;flex:1;min-height:340px;display:flex;align-items:center;justify-content:center;cursor:zoom-in}
.product-gallery__slide{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;padding:30px;opacity:0;transition:opacity .3s;pointer-events:none}
.product-gallery__slide.is-active{opacity:1;pointer-events:auto}
.product-gallery__zoom{position:absolute;right:16px;top:16px;z-index:3;width:36px;height:36px;border-radius:50%;background:#fff;border:1px solid #e5e5e5;color:#333;display:grid;place-items:center;cursor:pointer;box-shadow:0 4px 12px rgba(0,0,0,.1)}
.product-gallery__zoom:hover{color:var(--red);border-color:var(--red)}
.product-gallery__nav{position:absolute;top:45%;transform:translateY(-50%);z-index:3;width:38px;height:38px;border-radius:50%;background:#fff;border:1px solid #e5e5e5;font-size:22px;line-height:1;display:grid;place-items:center;cursor:pointer;color:#333;padding:0}
.product-gallery__nav:hover{color:var(--red);border-color:var(--red)}
.product-gallery__nav--prev{left:14px}
.product-gallery__nav--next{right:14px}
.product-gallery__thumbs{display:flex;gap:8px;padding:12px;background:#fff;overflow-x:auto}
.product-gallery__thumb{flex:0 0 56px;width:56px;height:44px;padding:0;border:2px solid transparent;border-radius:4px;overflow:hidden;cursor:pointer;background:#f3f3f1}
.product-gallery__thumb img{width:100%;height:100%;object-fit:cover;display:block}
.product-gallery__thumb.is-active{border-color:var(--red)}
@media(max-width:900px){.product-gallery{min-height:320px}}

.lightbox{position:fixed;inset:0;background:rgba(10,10,10,.94);z-index:2000;display:none;align-items:center;justify-content:center}
.lightbox.is-open{display:flex}
.lightbox__image{max-width:88vw;max-height:86vh;object-fit:contain}
.lightbox__close{position:absolute;top:20px;right:24px;width:42px;height:42px;border-radius:50%;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.3);color:#fff;font-size:18px;cursor:pointer}
.lightbox__close:hover{background:rgba(255,255,255,.2)}
.lightbox__nav{position:absolute;top:50%;transform:translateY(-50%);width:52px;height:52px;border-radius:50%;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.3);color:#fff;font-size:30px;line-height:1;cursor:pointer;display:grid;place-items:center}
.lightbox__nav:hover{background:rgba(255,255,255,.2)}
.lightbox__nav--prev{left:24px}
.lightbox__nav--next{right:24px}
@media(max-width:600px){.lightbox__nav{width:42px;height:42px;font-size:24px}.lightbox__nav--prev{left:10px}.lightbox__nav--next{right:10px}.lightbox__close{top:12px;right:12px}}
.product-detail__info h2{font:800 40px 'Barlow Condensed',sans-serif;text-transform:uppercase;margin:0 0 10px;line-height:.98}
.product-detail__price{font:800 34px 'Barlow Condensed',sans-serif;color:var(--red);margin:0 0 24px}
.product-detail__price small{font-size:13px;color:#888;font-weight:600;text-transform:none;font-family:Inter,sans-serif}
.product-detail__specs{display:grid;grid-template-columns:repeat(2,1fr);border-top:1px solid #e5e5e5;margin-bottom:26px}
.product-detail__specs span{padding:14px 4px;display:flex;flex-direction:column;gap:4px;border-bottom:1px solid #eee}
.product-detail__specs small{font-size:10px;text-transform:uppercase;color:#999;letter-spacing:.4px}
.product-detail__specs b{font-size:14px}
.product-detail__description{margin-bottom:28px}
.product-detail__description h3{font:700 20px 'Barlow Condensed',sans-serif;text-transform:uppercase;margin:0 0 10px}
.product-detail__description p{color:#555;line-height:1.7;margin:0}
.product-detail__actions{display:flex;gap:14px;flex-wrap:wrap}
.product-detail__spec-file{display:inline-flex;align-items:center;gap:8px;margin-top:16px;font-size:13px;font-weight:700;color:var(--red);text-decoration:none}
.product-detail__spec-file:hover{text-decoration:underline}
.product-detail__related{margin-top:80px}
@media(max-width:900px){.product-detail__grid{grid-template-columns:1fr;gap:30px}.product-detail__info h2{font-size:32px}}

.offer-form-shell{max-width:560px}
.offer-form{background:#fff;box-shadow:var(--shadow);padding:32px;display:flex;flex-direction:column;gap:16px}
.offer-form label{display:flex;flex-direction:column;gap:7px;font-size:13px;font-weight:700;color:#555}
.offer-form input,.offer-form textarea{font-family:Inter,Arial,sans-serif;font-size:14px;font-weight:400;padding:12px 14px;border:1px solid var(--gray-300);border-radius:var(--radius);color:var(--ink)}
.offer-form textarea{resize:vertical}
.offer-form .btn{justify-content:center;margin-top:4px}
.offer-form__product{background:var(--gray-100);border-left:3px solid var(--red);padding:12px 14px;font-size:13px}
.offer-form__product a{color:var(--red);font-weight:700}
.offer-form__error{background:#fbe7e7;color:#a80e12;padding:10px 12px;border-radius:var(--radius);font-size:13px;font-weight:600;margin:0}
.offer-form__note{margin:0;text-align:center;font-size:13px;color:#777}
.offer-form__note a{color:var(--red);font-weight:700}
.offer-form__success{background:#fff;box-shadow:var(--shadow);padding:40px;text-align:center}
.offer-form__success h2{font:800 30px 'Barlow Condensed',sans-serif;text-transform:uppercase;margin:0 0 12px}
.offer-form__success p{color:#555;line-height:1.6;margin:0 0 22px}