/* =========================================================
   UBUNTU LTD — Product pages
   Loaded after style.css
========================================================= */

.u-product-page { background: #fff; }
.sr-only { position: absolute; width: 1px; height: 1px; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }

/* ---------- Breadcrumbs ---------- */
.u-product-crumbbar { padding-top: 66px; background: var(--bark); border-top: 1px solid rgba(235, 237, 228, .08); }
.u-product-crumbbar nav { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; padding-block: 16px; font-size: .8rem; color: rgba(235, 237, 228, .6); }
.u-product-crumbbar a { text-decoration: none; transition: color .25s; }
.u-product-crumbbar a:hover { color: var(--amber); }
.u-product-crumbbar strong { color: var(--husk); font-weight: 600; }

/* ---------- Main ---------- */
.u-product-main { padding: clamp(40px, 5vw, 64px) 0 clamp(70px, 8vw, 100px); }
.u-product-grid { display: grid; grid-template-columns: minmax(0, .82fr) minmax(0, 1fr); gap: clamp(36px, 6vw, 72px); align-items: start; }

.u-product-gallery { position: sticky; top: 90px; }
.u-gallery-main {
  position: relative;
  aspect-ratio: .82;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: #fff;
}
.u-gallery-pane { position: absolute; inset: 0; display: grid; place-items: center; padding: 6%; opacity: 0; transition: opacity .45s ease; }
.u-gallery-pane.active { opacity: 1; }
.u-gallery-pane img { width: 100%; height: 100%; object-fit: contain; }
.u-gallery-zoom {
  position: absolute;
  right: 16px;
  bottom: 16px;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: 50%;
  background: var(--bark);
  color: var(--husk);
  cursor: zoom-in;
  transition: background .25s, color .25s, transform .25s;
}
.u-gallery-zoom:hover { background: var(--amber); color: var(--bark); transform: scale(1.06); }
.u-gallery-thumbs { display: flex; gap: 12px; margin-top: 14px; }
.u-gallery-thumb {
  width: 92px;
  aspect-ratio: 1;
  padding: 6px;
  border: 1.5px solid var(--line);
  border-radius: 8px;
  background: #fff;
  cursor: pointer;
  transition: border-color .25s;
}
.u-gallery-thumb img { width: 100%; height: 100%; object-fit: contain; }
.u-gallery-thumb.active, .u-gallery-thumb:hover { border-color: var(--amber); }

.u-product-category { margin-bottom: 10px; color: var(--leaf); font-size: .72rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; }
.u-product-info h1 { margin: 0 0 8px; color: var(--ink); font-size: clamp(2.2rem, 3.6vw, 3.1rem); font-weight: 500; line-height: 1.08; }
.u-product-sku { margin-bottom: 0; color: rgba(22, 32, 26, .6); font-size: .8rem; }
.u-product-price {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 22px 0 22px;
  color: var(--clay);
  font-family: var(--serif);
  font-size: clamp(1.8rem, 2.8vw, 2.4rem);
  font-weight: 500;
}
.u-product-short { max-width: 56ch; margin-bottom: 22px; color: var(--ink-60); line-height: 1.75; }
.u-product-trust { display: block; width: min(100%, 400px); margin-bottom: 18px; border-radius: 4px; }
.u-stock-line { display: flex; align-items: center; gap: 8px; margin-bottom: 24px; color: var(--leaf); font-size: .88rem; font-weight: 600; }

.u-product-buy { display: grid; gap: 16px; padding-bottom: 24px; border-bottom: 1px solid var(--line); }
.u-variation { display: grid; grid-template-columns: 120px minmax(0, 1fr) auto; gap: 14px; align-items: center; }
.u-variation label { font-size: .75rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.u-variation select {
  appearance: none;
  width: 100%;
  padding: 13px 44px 13px 18px;
  border: 1.5px solid var(--line);
  border-radius: 100px;
  background: #fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M2 4l4 4 4-4' fill='none' stroke='%2313231A' stroke-width='1.8' stroke-linecap='round'/%3E%3C/svg%3E") right 18px center no-repeat;
  color: var(--ink);
  font: 500 .95rem var(--sans);
  cursor: pointer;
}
.u-variation select:focus-visible, .u-qty:focus-visible { outline: 2px solid var(--amber); outline-offset: 2px; }
.u-variation-clear { padding: 0; border: 0; background: none; color: var(--clay); font: 500 .85rem var(--sans); text-decoration: underline; text-underline-offset: 3px; cursor: pointer; }
.u-variation-price { margin: 0; color: var(--clay); font-family: var(--serif); font-size: 1.4rem; font-weight: 600; }
.u-buy-row { display: flex; gap: 14px; }
.u-qty {
  width: 76px;
  padding: 13px 10px;
  border: 1.5px solid var(--line);
  border-radius: 100px;
  font: 600 1rem var(--sans);
  text-align: center;
}
.u-add-btn {
  flex: 1;
  padding: 14px 28px;
  border: 0;
  border-radius: 100px;
  background: var(--amber);
  color: var(--bark);
  font: 700 .95rem var(--sans);
  cursor: pointer;
  transition: background .3s, color .3s, opacity .3s;
}
.u-add-btn:hover:not(:disabled) { background: var(--bark); color: var(--husk); }
.u-add-btn:disabled { opacity: .45; cursor: not-allowed; }
.u-add-btn.added { background: var(--leaf); color: #fff; }

.u-product-meta { display: grid; gap: 12px; padding-block: 22px; font-size: .88rem; color: var(--ink-60); }
.u-product-meta div { display: flex; align-items: center; gap: 12px; }
.u-product-meta svg { flex: none; color: var(--leaf); }
.u-product-share { display: flex; align-items: center; gap: 10px; }
.u-product-share span { margin-right: 4px; color: var(--ink-60); font-size: .85rem; }
.u-product-share a {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--ink);
  transition: background .25s, color .25s, border-color .25s;
}
.u-product-share a:hover { background: var(--bark); border-color: var(--bark); color: var(--husk); }

/* ---------- Tabs ---------- */
.u-product-tabs { padding: clamp(70px, 8vw, 100px) 0; background: var(--husk-2); }
.u-tab-head { display: flex; flex-wrap: wrap; gap: 6px 36px; margin-bottom: 36px; border-bottom: 1px solid rgba(19, 35, 26, .16); }
.u-tab-button {
  position: relative;
  padding: 0 0 16px;
  border: 0;
  background: none;
  color: rgba(22, 32, 26, .6);
  font: 600 .95rem var(--sans);
  cursor: pointer;
  transition: color .25s;
}
.u-tab-button::after { content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 2px; background: var(--clay); transform: scaleX(0); transition: transform .3s var(--ease); }
.u-tab-button[aria-selected="true"] { color: var(--ink); }
.u-tab-button[aria-selected="true"]::after { transform: scaleX(1); }
.u-tab-button:hover { color: var(--ink); }
.u-tab-button:focus-visible { outline: 2px solid var(--amber); outline-offset: 4px; }
.u-tab-panel { animation: u-tab-in .4s ease; }
@keyframes u-tab-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

.u-description-layout { display: grid; grid-template-columns: minmax(0, 1fr) 380px; gap: clamp(36px, 6vw, 90px); align-items: start; }
.u-description-copy { max-width: 720px; line-height: 1.8; }
.u-description-copy p { margin: 0 0 1.1em; }
.u-description-copy h3 { margin: 1.6em 0 .6em; font-size: 1.6rem; font-weight: 600; }
.u-description-copy h3:first-child { margin-top: 0; }
.u-description-copy ul { margin: 0 0 1.2em; padding-left: 1.3em; }
.u-description-copy li { margin-bottom: .3em; }
.u-description-copy li::marker { color: var(--amber); }
.u-product-facts { padding: 8px 22px; border-radius: var(--r); background: #fff; }
.u-product-facts dl { margin: 0; }
.u-product-facts dl > div { display: flex; justify-content: space-between; gap: 20px; padding: 16px 0; border-bottom: 1px solid var(--line); font-size: .9rem; }
.u-product-facts dl > div:last-child { border-bottom: 0; }
.u-product-facts dt { color: var(--ink-60); }
.u-product-facts dd { margin: 0; font-weight: 700; text-align: right; }
.u-tab-panel h2 { margin-bottom: 20px; font-size: 1.8rem; font-weight: 600; }
.u-attributes { width: 100%; max-width: 720px; border-collapse: collapse; background: #fff; }
.u-attributes th, .u-attributes td { padding: 16px 20px; border-bottom: 1px solid var(--line); text-align: left; }
.u-attributes th { width: 200px; font-weight: 700; }

.u-noreviews { margin-bottom: 26px; color: var(--ink-60); }
.u-review-form { display: grid; gap: 8px; max-width: 720px; }
.u-review-form h3 { font-size: 1.3rem; font-weight: 600; }
.u-review-notes { margin-bottom: 8px; font-size: .88rem; }
.u-review-form label { margin-top: 10px; font-size: .9rem; font-weight: 600; }
.u-review-form span { color: var(--clay); }
.u-review-form :is(select, textarea, input) { width: 100%; padding: 12px 14px; border: 1px solid transparent; border-radius: 4px; background: #fff; font: inherit; }
.u-review-form :is(select, textarea, input):focus { outline: none; border-color: var(--leaf); }
.u-review-submit { justify-self: start; flex: none; margin-top: 14px; }
.u-review-status { margin-top: 8px; padding: 14px 18px; border-left: 3px solid var(--leaf); background: #fff; font-size: .92rem; }

/* ---------- Related ---------- */
.u-related-products { padding: clamp(70px, 8vw, 110px) 0; }
.u-related-products h2 { margin: .5rem 0 36px; font-size: clamp(2.2rem, 4vw, 3rem); font-weight: 500; line-height: 1.05; }
.u-related-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px; }
.u-related-card { display: block; overflow: hidden; border-radius: var(--r); background: var(--husk); text-decoration: none; transition: transform .5s var(--ease), box-shadow .5s; }
.u-related-card:hover { transform: translateY(-5px); box-shadow: 0 30px 50px -34px rgba(19, 35, 26, .5); }
.u-related-image { display: grid; place-items: center; aspect-ratio: 1; padding: 10%; background: #fff; }
.u-related-image img { width: 100%; height: 100%; object-fit: contain; transition: transform .8s var(--ease); }
.u-related-card:hover .u-related-image img { transform: scale(1.05); }
.u-related-body { padding: 16px 18px 18px; }
.u-related-body h3 { margin-bottom: 6px; font-size: 1.05rem; font-weight: 600; }
.u-related-price { display: flex; gap: 6px; font-family: var(--serif); font-weight: 600; font-size: .95rem; }

/* ---------- Lightbox ---------- */
.u-lightbox { position: fixed; inset: 0; z-index: 200; display: grid; place-items: center; padding: 40px; background: rgba(10, 20, 14, .9); }
.u-lightbox[hidden] { display: none; }
.u-lightbox img { max-width: min(92vw, 900px); max-height: 86vh; object-fit: contain; background: #fff; border-radius: var(--r); padding: 20px; }
.u-lightbox-close {
  position: absolute;
  top: 20px;
  right: 24px;
  width: 46px;
  height: 46px;
  border: 0;
  border-radius: 50%;
  background: var(--husk);
  color: var(--bark);
  font-size: 1.8rem;
  line-height: 1;
  cursor: pointer;
}

/* ---------- Responsive ---------- */
@media (max-width: 1000px) {
  .u-description-layout { grid-template-columns: 1fr; }
  .u-related-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 820px) {
  .u-product-grid { grid-template-columns: minmax(0, 1fr); }
  .u-product-gallery { position: static; }
  .u-gallery-main { max-width: 520px; }
}
@media (max-width: 520px) {
  .u-variation { grid-template-columns: 1fr auto; }
  .u-variation label { grid-column: 1 / -1; }
  .u-tab-head { gap: 6px 22px; }
  .u-related-grid { grid-template-columns: 1fr 1fr; gap: 14px; }
}
/* Breadcrumb bar removed: keep content clear of the fixed header */
.u-product-main { padding-top: calc(66px + clamp(32px, 4vw, 52px)); }

/* Quote-only products: "Request a quote" link styled like the add-to-cart button */
.u-quote-btn { display: block; text-align: center; text-decoration: none; }
.u-product-info > .u-buy-row { margin-bottom: 26px; }