:root{
  --bg:#0b0f1a;
  --text:#0f172a;
  --muted:#64748b;
  --brand:#e52037;
  --brand-2:#c2172d;
  --card:#ffffff;
}

/* Base */
*{box-sizing:border-box}
html,body{height:100%}
body{
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color:var(--text);
  background:#f6f8fb;
}

/* Header */
.header{
  background:#fff;
  border-bottom:1px solid rgba(15,23,42,.08);
}
.logo{
  display:inline-flex; align-items:center; gap:.5rem; color:#111827;
}
.logo-dot{
  width:12px; height:12px; border-radius:50%;
  background:linear-gradient(90deg,var(--brand),var(--brand-2));
  box-shadow:0 0 0 3px rgba(229,32,55,.15);
}
.logo-text{font-weight:800; letter-spacing:.5px}

.nav-link{
  color:#111827; opacity:.9; transition:opacity .2s ease;
}
.nav-link:hover{opacity:1}

.btn-outline-primary{
  --bs-btn-color: var(--brand);
  --bs-btn-border-color: var(--brand);
  --bs-btn-hover-bg: var(--brand);
  --bs-btn-hover-border-color: transparent;
  --bs-btn-hover-color:#fff;
}

/* Hero */
.catalog-hero{
  position:relative; padding:64px 0;
  background:linear-gradient(135deg,#f8fafc 0%, #eef2ff 100%);
  overflow:hidden;
}
.catalog-hero .hero-bg{
  position:absolute; inset:-30%;
  background: radial-gradient(600px 300px at 80% -10%, rgba(229,32,55,.15), transparent 60%),
              radial-gradient(400px 240px at 20% 110%, rgba(12,74,110,.12), transparent 60%);
  filter: blur(40px);
  z-index:0;
}
.catalog-hero > .container{position:relative; z-index:1}

.fade-in-up{opacity:0; transform:translateY(12px); animation:fadeup .6s ease forwards}
.fade-in-up.delay-1{animation-delay:.1s}
.fade-in-up.delay-2{animation-delay:.2s}
@keyframes fadeup{to{opacity:1; transform:none}}

.catalog-search{
  max-width:760px; margin:24px auto 0; position:relative;
  display:grid; grid-template-columns:1fr auto; gap:8px;
}
.catalog-search .search-btn{white-space:nowrap}

/* Sidebar */
.cat-sidebar{
  position:sticky; top:24px; border:none; border-radius:16px; overflow:hidden;
}
.cat-sidebar .card-header{background:#fff}
.cat-accordion{
  background:#f8fafc; border:1px solid rgba(15,23,42,.06);
  border-radius:10px; font-weight:600;
}
.cat-accordion:hover{background:#f1f5f9}
.list-group-item{background:#fff; border:none; padding:16px}

.cat-sub{
  list-style:none; margin:10px 0 0; padding-left:0;
}
.cat-sub li{margin-bottom:6px}
.cat-link{
  display:block; padding:8px 10px; border-radius:8px; text-decoration:none;
  color:var(--text); font-size:.95rem; transition: background .2s, transform .12s, box-shadow .2s;
}
.cat-link:hover{
  background:#f8fafc; transform:translateX(3px);
  box-shadow: inset 0 0 0 1px rgba(15,23,42,.06);
}

/* Cards Grid */
.card-zoom{
  border:none; border-radius:16px; overflow:hidden; background:var(--card);
  transform: translateZ(0);
  transition: transform .25s ease, box-shadow .25s ease;
}
.card-zoom:hover{
  transform: translateY(-6px);
  box-shadow:0 10px 28px rgba(2,6,23,.12);
}
.card-zoom .card-img-top{
  aspect-ratio: 1 / 1;   /* квадрат */
  object-fit: cover;     
  width: 100%;           
  height: auto;          
}
.btn-primary{
    display: inline-block;
    padding: 10px 16px;
    border-radius: 10px;
    font-weight: 600;
    text-decoration: none;
    background-color: #e77b23;
    color: #fff;
    text-decoration: none !important;
    border: transparent;
}

/* CTA */
.cta-block{
  background:#fff; border-radius:16px; padding:24px; display:flex; justify-content:space-between; align-items:center; gap:16px;
  border:1px solid rgba(15,23,42,.06);
}

/* Footer */
.footer{
  background:#0b0f1a; color:#cbd5e1;
  border-top:1px solid rgba(148,163,184,.15);
}
.footer .logo{color:#e2e8f0}
.footer .logo-dot{box-shadow:0 0 0 3px rgba(229,32,55,.25)}

.text-primary {
    --bs-text-opacity: 1;
    color: #f88e1f !important;
    font-weight: 800 !important;
}