.product-page { max-width: 1280px; margin: 0 auto; padding: 28px 5% 92px; }
.product-detail { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(380px, .92fr); gap: clamp(38px, 7vw, 100px); align-items: start; }
.product-gallery { display: grid; grid-template-columns: 78px minmax(0, 1fr); gap: 20px; }
.product-gallery__thumbs { display: grid; align-content: start; gap: 12px; }
.gallery-thumb { width: 74px; height: 74px; padding: 5px; border: 1px solid var(--line); background: #fff; cursor: pointer; }
.gallery-thumb.is-active { border-color: var(--violet); }
.gallery-thumb img { width: 100%; height: 100%; object-fit: contain; }
.product-gallery__main { min-height: 560px; display: grid; place-items: center; margin: 0; overflow: hidden; background: #fbfaf8; }
.product-gallery__main img { width: min(100%, 550px); height: 560px; object-fit: contain; mix-blend-mode: multiply; }
.product-summary { padding-top: 8px; }
.product-summary__top { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.product-summary .product-brand { margin: 0; font-size: 12px; letter-spacing: .1em; }
.product-favorite { width: 46px; height: 46px; border: 0; background: transparent; color: var(--ink); font: 32px/1 Arial, sans-serif; cursor: pointer; }
.product-summary h1 { max-width: 590px; margin: 8px 0 9px; font: 500 clamp(26px, 2.35vw, 38px)/1.11 "Playfair Display", Georgia, serif; letter-spacing: -.035em; }
.product-subtitle { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.5; }
.product-rating { margin: 18px 0; font-size: 13px; letter-spacing: .08em; }
.product-rating a { margin-left: 8px; color: var(--muted); font-size: 12px; letter-spacing: 0; text-decoration: underline; text-underline-offset: 3px; }
.product-note { margin: 20px 0; padding: 13px 15px; border-radius: 10px; background: #f4f0eb; font-size: 13px; line-height: 1.4; }
.tag-block { margin: 18px 0; }
.tag-block p, .volume-row span { margin: 0 0 7px; color: var(--muted); font-size: 12px; }
.tags { display: flex; flex-wrap: wrap; gap: 7px; }
.tags span, .volume-row strong { padding: 5px 9px; border: 1px solid #cfcac5; border-radius: 16px; font-size: 12px; font-weight: 500; }
.volume-row { display: grid; justify-items: start; margin: 22px 0 26px; }
.purchase-row { display: flex; align-items: center; justify-content: space-between; gap: 18px; }
.product-detail__price { margin: 0; font-size: 25px; font-weight: 700; }
.quantity { display: grid; grid-template-columns: 38px 44px 38px; align-items: center; min-height: 42px; overflow: hidden; border: 1px solid var(--ink); border-radius: 22px; }
.quantity button { height: 40px; border: 0; background: #fff; font-size: 22px; cursor: pointer; }
.quantity output { text-align: center; font-size: 14px; }
.buy-button { width: 100%; min-height: 52px; margin-top: 22px; border: 0; border-radius: 28px; color: #fff; background: #20211e; font: 600 14px "DM Sans", Arial, sans-serif; cursor: pointer; transition: background .18s ease; }
.buy-button:hover { background: var(--violet); }
.delivery-info { margin: 13px 0 0; color: var(--muted); font-size: 12px; text-align: center; }
.product-information { max-width: 690px; margin-top: 58px; }
.product-information details { border-top: 1px solid var(--line); }
.product-information details:last-child { border-bottom: 1px solid var(--line); }
.product-information summary { display: flex; align-items: center; justify-content: space-between; min-height: 60px; cursor: pointer; list-style: none; font-size: 14px; font-weight: 600; text-transform: uppercase; }
.product-information summary::-webkit-details-marker { display: none; }
.product-information summary::after { content: "+"; color: var(--violet); font-size: 24px; font-weight: 400; }
.product-information details[open] summary::after { content: "−"; }
.product-information p { max-width: 630px; margin: 0 0 22px; color: var(--muted); font-size: 14px; line-height: 1.62; }
.product-trust { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 52px; padding-top: 26px; border-top: 1px solid var(--line); }
.product-trust div { display: grid; gap: 5px; }
.product-trust b { font-size: 14px; }
.product-trust span { color: var(--muted); font-size: 13px; }
.product-trust a { color: var(--violet); text-decoration: underline; text-underline-offset: 3px; }
@media (max-width: 850px) { .product-page { padding-top: 20px; } .product-detail { grid-template-columns: 1fr; gap: 30px; } .product-gallery__main { min-height: 420px; } .product-gallery__main img { height: 420px; } .product-trust { grid-template-columns: 1fr; } }
@media (max-width: 480px) { .product-gallery { grid-template-columns: 56px minmax(0, 1fr); gap: 12px; } .gallery-thumb { width: 54px; height: 54px; } .product-gallery__main { min-height: 320px; } .product-gallery__main img { height: 320px; } .product-summary h1 { font-size: 29px; } }