/* =========================================================
   IBRIXI — Product detail page
   ========================================================= */

.page-product{background:
  radial-gradient(1200px 600px at 80% -10%,rgba(41,49,137,.35),transparent 60%),
  radial-gradient(900px 500px at 0% 100%,rgba(246,172,18,.10),transparent 60%),
  var(--bg);
}

.product-main{padding:calc(var(--nav-h) + 22px) 0 56px;position:relative;z-index:2}

.back-link{display:inline-flex;align-items:center;gap:10px;color:var(--muted);font-weight:500;font-size:.92rem;margin-bottom:22px;transition:color .3s,gap .3s}
.back-link:hover{color:var(--gold);gap:14px}

.product-layout{display:grid;grid-template-columns:minmax(0,1.02fr) minmax(0,.98fr);gap:44px;align-items:start}

/* ---------- Gallery ---------- */
.gallery{position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);background:rgba(255,255,255,.03)}
.gallery__viewport{position:relative;overflow:hidden;touch-action:pan-y}
.gallery__stage{cursor:grab}
.gallery__stage:active{cursor:grabbing}
.gallery__stage img{-webkit-user-drag:none;user-select:none;pointer-events:none}
.gallery__bar{position:absolute;top:0;left:0;height:3px;width:0;z-index:4;background:linear-gradient(90deg,var(--gold-deep),var(--gold),var(--gold-soft));box-shadow:0 0 14px rgba(246,172,18,.7);opacity:0;transition:opacity .3s}
.gallery__bar.is-run{opacity:1;animation:galbar var(--gal-dur,3.5s) linear forwards}
.gallery:hover .gallery__bar.is-run{animation-play-state:paused}
@keyframes galbar{from{width:0}to{width:100%}}

.gallery__stage{display:flex;transition:transform .6s var(--ease);will-change:transform}
.gallery__slide{flex:0 0 100%;height:clamp(300px,calc(100vh - 232px),560px);height:clamp(300px,calc(100svh - 232px),560px);position:relative}
.gallery__slide img{width:100%;height:100%;object-fit:cover}
.gallery__slide::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 50% 120%,rgba(41,49,137,.35),transparent 60%)}

.gallery__nav{position:absolute;top:50%;transform:translateY(-50%);width:46px;height:46px;border-radius:50%;border:1px solid var(--line-strong);background:rgba(7,10,28,.55);backdrop-filter:blur(8px);color:var(--white);cursor:pointer;display:grid;place-items:center;transition:.3s var(--ease);z-index:3}
.gallery__nav:hover{background:var(--gold);color:var(--indigo-900);border-color:var(--gold)}
.gallery__nav--prev{left:16px}
.gallery__nav--next{right:16px}
.gallery__dots{position:absolute;left:0;right:0;bottom:16px;display:flex;justify-content:center;gap:9px;z-index:3}
.gallery__dots button{width:9px;height:9px;border-radius:50%;border:0;background:rgba(255,255,255,.35);cursor:pointer;padding:0;transition:.3s var(--ease)}
.gallery__dots button.is-active{background:var(--gold);width:26px;border-radius:100px}

/* ---------- Info ---------- */
.product-info{padding-top:2px}
.product-info__title{font-size:clamp(1.8rem,3.2vw,2.6rem);margin:14px 0 10px}
.product-info__price{font-family:'Space Grotesk',sans-serif;font-weight:600;font-size:1.2rem;color:var(--gold);margin-bottom:14px}
.product-info__desc{color:var(--muted);font-size:1rem;margin-bottom:24px}

.specs{border-top:1px solid var(--line);padding-top:20px;margin-bottom:26px}
.specs__title{font-size:.95rem;letter-spacing:.04em;text-transform:uppercase;color:#de9406;font-weight:600;margin-bottom:14px}
.specs__list{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.spec{display:flex;flex-direction:column;gap:2px;padding:11px 14px;border-radius:12px;background:var(--panel);border:1px solid var(--line)}
.spec dt{font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:#de9406}
.spec dd{font-weight:600;font-size:.92rem}

.product-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- Responsive ---------- */
@media (max-width:920px){
  .product-layout{grid-template-columns:1fr;gap:36px}
  .gallery{max-width:560px;margin-inline:auto;width:100%}
}
@media (max-width:520px){
  .specs__list{grid-template-columns:1fr}
  .product-actions .btn{width:100%}
}
@media (max-height:720px){
  .product-main{padding-top:calc(var(--nav-h) + 12px);padding-bottom:36px}
  .gallery__slide{height:clamp(260px,calc(100vh - 200px),470px);height:clamp(260px,calc(100svh - 200px),470px)}
  .product-info__desc{margin-bottom:18px}
  .specs{padding-top:16px;margin-bottom:20px}
}