/* Support4u v9 — podstrona pojedynczej realizacji */

.case-hero{
  padding:90px 0 60px;
  background:
    radial-gradient(circle at 20% 25%, rgba(56,189,248,.14), transparent 34%),
    radial-gradient(circle at 82% 20%, rgba(142,227,93,.08), transparent 30%),
    #020817;
  border-bottom:1px solid rgba(148,163,184,.12);
}

.case-hero-grid{
  display:grid;
  grid-template-columns:1fr .85fr;
  gap:54px;
  align-items:center;
}

.back-link{
  display:inline-flex;
  color:#38bdf8;
  text-decoration:none;
  font-weight:900;
  margin-bottom:26px;
}

.case-hero h1{
  font-size:clamp(42px,6vw,82px);
  line-height:.95;
  letter-spacing:-.06em;
  margin:16px 0 24px;
}

.case-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:32px;
}

.case-cover{
  border-radius:30px;
  border:1px solid rgba(56,189,248,.22);
  background:#071126;
  overflow:hidden;
  box-shadow:0 30px 90px rgba(0,0,0,.35);
}

.case-cover img{
  width:100%;
  height:100%;
  max-height:540px;
  object-fit:cover;
  display:block;
}

.case-placeholder{
  min-height:360px;
  display:grid;
  place-items:center;
  font-size:52px;
  font-weight:900;
  color:rgba(255,255,255,.18);
}

.case-section{padding:70px 0 100px}

.case-layout{
  display:grid;
  grid-template-columns:1fr 320px;
  gap:34px;
  align-items:start;
}

.case-main,.case-side{min-width:0}

.case-block{
  background:linear-gradient(180deg,#0f172a,#081120);
  border:1px solid rgba(148,163,184,.14);
  border-radius:28px;
  padding:30px;
  margin-bottom:22px;
}

.case-block h2{
  font-size:32px;
  margin-bottom:14px;
}

.case-block p{
  color:#a8b7cf;
  line-height:1.75;
  font-size:17px;
}

.case-gallery{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(190px,1fr));
  gap:14px;
}

.case-gallery-item{
  aspect-ratio:4/3;
  border:1px solid rgba(56,189,248,.2);
  border-radius:20px;
  padding:0;
  overflow:hidden;
  background:#020817;
  cursor:pointer;
}

.case-gallery-item img{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
  transition:transform .35s ease;
}

.case-gallery-item:hover img{transform:scale(1.05)}

.case-side{
  position:sticky;
  top:104px;
}

.case-card{
  background:#0f172a;
  border:1px solid rgba(148,163,184,.14);
  border-radius:24px;
  padding:22px;
  margin-bottom:16px;
}

.case-card span{
  display:block;
  color:#94a3b8;
  font-size:13px;
  margin-bottom:8px;
}

.case-card strong{
  display:block;
  font-size:22px;
}

.case-card p{
  color:#a8b7cf;
  line-height:1.6;
}

.case-card a{
  color:#38bdf8;
  font-weight:900;
  text-decoration:none;
}

.case-card.accent{
  border-color:rgba(56,189,248,.34);
  background:linear-gradient(180deg,rgba(56,189,248,.12),#0f172a);
}

.case-lightbox[hidden]{display:none}

.case-lightbox{
  position:fixed;
  inset:0;
  z-index:999;
  background:rgba(0,0,0,.9);
  display:grid;
  place-items:center;
  padding:30px;
}

.case-lightbox img{
  max-width:96vw;
  max-height:88vh;
  object-fit:contain;
  border-radius:20px;
}

.case-lightbox-close{
  position:fixed;
  top:24px;
  right:24px;
  width:52px;
  height:52px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.2);
  background:#0f172a;
  color:#fff;
  font-size:34px;
  cursor:pointer;
}

@media(max-width:900px){
  .case-hero-grid,.case-layout{grid-template-columns:1fr}
  .case-side{position:static}
  .case-cover img{max-height:420px}
}

@media(max-width:640px){
  .case-hero{padding:56px 0 42px}
  .case-section{padding:42px 0 70px}
  .case-block{padding:22px}
  .case-gallery{grid-template-columns:repeat(2,1fr)}
}