/* SK-GLASS catalog — shell styles, complements catalog-ru.css (sk-glass.ru look) */
:root{ --ink:#1a1a1a; --line:#e6e6e6; --grey:#CCCCCC; --card:#F9F9F9; --maxw:1320px; }
*{box-sizing:border-box}
body{margin:0;background:#fff;color:var(--ink);
  font-family:'Akrobat','Roboto Condensed',Arial,sans-serif;font-size:18px;line-height:1.4;font-weight:400}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* header */
.site-hdr{border-bottom:1px solid var(--line);position:sticky;top:0;background:rgba(255,255,255,.95);backdrop-filter:blur(6px);z-index:40}
.site-hdr__in{display:flex;align-items:center;justify-content:space-between;height:70px}
.site-hdr__logo{display:inline-flex;align-items:center}
.site-hdr__logo img{height:38px;width:auto;display:block}
.lang{display:flex;gap:2px}
.lang__i{font-family:'Roboto Condensed',sans-serif;padding:6px 12px;font-size:14px;letter-spacing:.05em;color:#999;border:1px solid transparent;border-radius:6px}
.lang__i:hover{color:var(--ink)}
.lang__i.is-on{color:var(--ink);border-color:var(--ink)}

/* breadcrumbs */
.crumbs{border-bottom:1px solid var(--line);background:#fafafa;font-family:'Roboto Condensed',sans-serif;font-size:14px;color:#888}
.crumbs .container{padding-top:12px;padding-bottom:12px}
.crumbs a:hover{color:var(--ink)}
.crumbs span{margin:0 8px;color:var(--grey)}
.crumbs b{color:var(--ink);font-weight:500}

/* lead under card header */
.lustra-card__lead{font-family:'Roboto Condensed',sans-serif;font-size:16px;color:#555;line-height:1.45;margin:-8px 0 0;max-width:70ch}

/* product detail */
.prod{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:48px;align-items:start;padding-top:36px;padding-bottom:70px}
.prod__count{font-family:'Roboto Condensed',sans-serif;font-size:14px;letter-spacing:.08em;text-transform:uppercase;color:#888;margin-bottom:8px}

/* product slider */
.prod-slider{position:sticky;top:86px}
.prod-slider__stage{position:relative;background:var(--card);border-radius:8px;overflow:hidden;aspect-ratio:1/1}
.prod-slider__slide{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transition:opacity .25s;cursor:zoom-in}
.prod-slider__slide.is-active{opacity:1;visibility:visible}
.prod-slider__slide img{width:100%;height:100%;object-fit:contain}
.prod-slider__nav{position:absolute;top:50%;transform:translateY(-50%);z-index:2;width:44px;height:44px;border:none;border-radius:50%;
  background:rgba(255,255,255,.85);color:#1a1a1a;font-size:26px;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center;
  box-shadow:0 2px 10px rgba(0,0,0,.12);transition:background .2s}
.prod-slider__nav:hover{background:#fff}
.prod-slider__nav--prev{left:12px}
.prod-slider__nav--next{right:12px}
.prod-slider__thumbs{display:flex;flex-wrap:wrap;gap:10px;margin-top:12px}
.prod-slider__thumb{width:74px;height:74px;padding:0;border:1px solid var(--line);border-radius:6px;overflow:hidden;background:var(--card);cursor:pointer;transition:border-color .2s}
.prod-slider__thumb img{width:100%;height:100%;object-fit:cover;display:block}
.prod-slider__thumb.is-active{border-color:var(--ink)}

/* description */
.prod__desc{font-family:'Roboto Condensed',sans-serif;font-size:16px;line-height:1.6;color:#333;margin:0 0 24px}
.prod__desc p{margin:0 0 12px}
.prod__desc p:last-child{margin-bottom:0}
.prod__title{font-family:'Akrobat',sans-serif;font-weight:500;font-size:clamp(28px,3.6vw,40px);line-height:1.08;margin:0 0 22px}
.specs{width:100%;border-collapse:collapse;font-family:'Roboto Condensed',sans-serif;font-size:15px;margin-bottom:28px}
.specs td{padding:11px 0;border-bottom:1px solid var(--line);vertical-align:top}
.specs td:first-child{color:#888;width:46%;padding-right:18px}
.specs td:last-child{font-weight:500}
.prod__info .lustra-card__order{display:inline-flex}
.backlink{margin-top:30px;font-family:'Roboto Condensed',sans-serif;font-size:15px}
.backlink a{color:#888}
.backlink a:hover{color:var(--ink)}

/* footer */
.site-ftr{border-top:1px solid var(--line);background:#fafafa;color:#888;font-family:'Roboto Condensed',sans-serif;font-size:14px;margin-top:20px}
.site-ftr .container{padding-top:26px;padding-bottom:26px}
.site-ftr a:hover{color:var(--ink)}

@media(max-width:820px){
  .prod{grid-template-columns:1fr;gap:24px}
  body{font-size:16px}
  .prod-slider{position:static}
  .prod-slider__thumb{width:64px;height:64px}
}