/* LISEGA — Grupa 4: Obejmy i siodła rurowe */
.grupa4-official-intro{display:grid;grid-template-columns:1fr 1fr;gap:54px;border-top:1px solid #c8cdd0;padding-top:26px;margin:0 0 34px}
.grupa4-official-column h2{margin:0 0 12px;color:#0c3047;font-size:17px;line-height:1.3;font-weight:700}
.grupa4-official-column p{margin:0;color:#162d3c;font-size:14px;line-height:1.65;text-align:justify}
.grupa4-designs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:5px 12px;margin:0 0 46px}
.grupa4-designs article{background:#f1f4f5;border-top:2px solid #1497d1;padding:14px 15px 13px;min-height:92px;box-sizing:border-box}
.grupa4-designs span{display:block;color:#1b4a63;font-size:11px;margin-bottom:6px}
.grupa4-designs strong{display:block;color:#102d40;font-size:14px;line-height:1.25;margin-bottom:5px}
.grupa4-designs small{display:block;color:#173343;font-size:11px;line-height:1.4}

.lisega-grupa4-content{min-width:0;padding:0 0 30px}
.grupa4-heading{margin:0 0 42px;padding:0 0 8px;border-bottom:1px solid #9da3a7}
.grupa4-heading h1{margin:0;color:#243b4a;font-size:20px;line-height:1.25;font-weight:700;letter-spacing:-.2px}
.grupa4-intro{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr);gap:42px;align-items:center;min-height:330px;margin:0 0 48px}
.grupa4-intro-copy{font-size:14px;line-height:1.62;color:#1f2f39;text-align:justify}
.grupa4-intro-copy p{margin:0}
.grupa4-intro-image{display:flex;align-items:center;justify-content:center;min-width:0}
.grupa4-intro-image img{display:block;width:min(390px,100%);height:auto;object-fit:contain;transition:transform .4s ease,filter .4s ease}
.grupa4-intro-image:hover img{transform:scale(1.025);filter:brightness(1.02)}
.grupa4-feature{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr);gap:40px;align-items:center;min-height:360px;margin:0 0 48px}
.grupa4-feature-image{display:flex;align-items:center;justify-content:center;min-width:0}
.grupa4-feature-image img{display:block;width:100%;max-width:560px;height:auto;object-fit:contain;transition:transform .4s ease,filter .4s ease}
.grupa4-feature-image:hover img{transform:scale(1.025);filter:brightness(1.02)}
.grupa4-feature-list ul{list-style:none;margin:0;padding:0}
.grupa4-feature-list li{position:relative;margin:0 0 10px;padding-left:13px;color:#17202b;font-size:14px;line-height:1.3}
.grupa4-feature-list li::before{content:'';position:absolute;left:0;top:.43em;width:0;height:0;border-top:4px solid transparent;border-bottom:4px solid transparent;border-left:5px solid #9d0d0d}
.grupa4-products{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px 28px;align-items:center;margin:0 0 46px}
.grupa4-product{height:205px;display:flex;align-items:center;justify-content:center;overflow:visible;min-width:0}
.grupa4-product img{display:block;width:100%;height:100%;object-fit:contain;transition:transform .4s ease,filter .4s ease}
.grupa4-product:hover img{transform:scale(1.045);filter:brightness(1.03)}
.grupa4-gallery{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:5px;margin:0}
.grupa4-gallery-item{display:block;position:relative;margin:0;padding:0;border:0;background:none;cursor:zoom-in;overflow:hidden;min-width:0}
.grupa4-gallery-item img{display:block;width:100%;height:185px;object-fit:cover;transition:transform .35s ease,filter .35s ease}
.grupa4-gallery-item:hover img{transform:scale(1.035);filter:brightness(1.03)}
.grupa4-gallery-item:focus-visible{outline:2px solid #1597d4;outline-offset:2px}
.grupa4-lightbox{position:fixed;inset:0;z-index:99999;display:flex;align-items:center;justify-content:center;padding:42px 70px;background:rgba(0,0,0,.9);opacity:0;visibility:hidden;pointer-events:none;transition:opacity .2s ease,visibility .2s ease}
.grupa4-lightbox.is-open{opacity:1;visibility:visible;pointer-events:auto}
.grupa4-lightbox figure{margin:0;width:min(92vw,1400px);height:min(88vh,900px);display:flex;align-items:center;justify-content:center}
.grupa4-lightbox-image{display:block;max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain;box-shadow:0 8px 35px rgba(0,0,0,.45);user-select:none}
.grupa4-lightbox-close,.grupa4-lightbox-nav{position:absolute;border:0;color:#fff;background:rgba(0,0,0,.42);cursor:pointer;display:flex;align-items:center;justify-content:center;line-height:1;transition:background .2s ease}
.grupa4-lightbox-close:hover,.grupa4-lightbox-nav:hover{background:rgba(0,0,0,.7)}
.grupa4-lightbox-close{top:15px;right:18px;width:46px;height:46px;border-radius:50%;font-size:34px;font-weight:300}
.grupa4-lightbox-nav{top:50%;transform:translateY(-50%);width:52px;height:74px;border-radius:8px;font-size:54px;font-weight:300}
.grupa4-lightbox-prev{left:18px}.grupa4-lightbox-next{right:18px}
@media(max-width:1000px){.grupa4-intro,.grupa4-feature{gap:26px}.grupa4-products{gap:14px 20px}.grupa4-product{height:185px}.grupa4-gallery-item img{height:150px}}
@media(max-width:700px){
 .lisega-grupa4-content{padding:30px 20px 10px}
 .grupa4-heading{margin-bottom:28px}.grupa4-official-intro{grid-template-columns:1fr;gap:26px;margin-bottom:28px}.grupa4-official-column p{text-align:left}.grupa4-designs{grid-template-columns:repeat(2,minmax(0,1fr));gap:5px 8px;margin-bottom:32px}.grupa4-heading h1{font-size:19px}
 .grupa4-intro,.grupa4-feature{grid-template-columns:1fr;gap:24px;min-height:0;margin-bottom:42px}
 .grupa4-intro-copy{font-size:14px;text-align:left}.grupa4-intro-image{order:0}.grupa4-intro-copy{order:1}
 .grupa4-intro-image img{max-width:360px}
 .grupa4-feature{margin-bottom:38px}.grupa4-feature-image img{max-width:500px}.grupa4-feature-list li{font-size:13px;margin-bottom:9px}
 .grupa4-products{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px 12px;margin-bottom:28px}.grupa4-product{height:150px}
 .grupa4-gallery{grid-template-columns:repeat(2,minmax(0,1fr));gap:4px}.grupa4-gallery-item img{height:125px}
 .grupa4-lightbox{padding:42px 10px 22px}.grupa4-lightbox figure{width:96vw;height:84vh}.grupa4-lightbox-close{top:9px;right:9px;width:42px;height:42px;font-size:30px}.grupa4-lightbox-nav{width:42px;height:58px;font-size:42px}.grupa4-lightbox-prev{left:5px}.grupa4-lightbox-next{right:5px}
}