/* ===== CATALOG HEADER ===== */
.catalog-header {
  padding: 130px 0 50px;
  text-align: center;
  background: linear-gradient(180deg, rgba(255,140,0,0.07) 0%, transparent 100%);
}
.breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1.2rem;
}
.breadcrumb a { color: var(--primary); }
.breadcrumb a:hover { text-decoration: underline; }
.catalog-header h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  margin-bottom: 1rem;
}
.catalog-header h1 span {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.catalog-header p {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 580px;
  margin: 0 auto;
}

/* ===== BRAND TABS (sticky) ===== */
.brand-tabs-wrap {
  position: sticky;
  top: 68px;
  z-index: 100;
  background: rgba(13, 13, 13, 0.96);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
}
.brand-tabs {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  scrollbar-width: none;
  padding-bottom: 2px;
}
.brand-tabs::-webkit-scrollbar { display: none; }
.brand-tab {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 50px;
  color: var(--text-muted);
  font-family: 'Poppins', sans-serif;
  font-size: 0.88rem;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: var(--transition);
  flex-shrink: 0;
}
.brand-tab img {
  height: 22px;
  width: auto;
  object-fit: contain;
  max-width: 60px;
}
.brand-tab:hover {
  border-color: var(--primary);
  color: var(--text);
}
.brand-tab.active {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #000;
  border-color: transparent;
  font-weight: 600;
}

/* ===== PANELS ===== */
.catalog-content {
  padding: 50px 0 40px;
  min-height: 60vh;
}
.brand-panel { display: none; }
.brand-panel.active { display: block; animation: panelIn 0.25s ease; }
@keyframes panelIn {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ===== BRAND HEADER (inside panel) ===== */
.brand-header {
  display: flex;
  align-items: center;
  gap: 2rem;
  padding: 1.75rem 2rem;
  background: var(--bg-card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  border-left: 4px solid var(--bc, var(--primary));
  margin-bottom: 2.5rem;
}
.brand-panel-logo {
  height: 56px;
  width: auto;
  object-fit: contain;
  flex-shrink: 0;
  max-width: 120px;
}
.brand-header h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.3rem;
}
.brand-header p { color: var(--text-muted); font-size: 0.9rem; line-height: 1.6; }

/* ===== CATEGORY LABEL ===== */
.cat-label {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin: 2.5rem 0 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}
.cat-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* ===== PRODUCT GRID ===== */
.prod-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 1.25rem;
}

/* ===== PRODUCT CARD ===== */
.prod-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}
.prod-card:hover {
  transform: translateY(-4px);
  border-color: var(--bc, var(--primary));
  box-shadow: 0 8px 28px rgba(0,0,0,0.35);
}
.prod-card-top {
  background: var(--bc, var(--primary));
  padding: 7px 14px;
}
.prod-type-badge {
  font-size: 0.7rem;
  font-weight: 700;
  color: rgba(255,255,255,0.92);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.prod-card-body {
  padding: 1.1rem 1.2rem 1rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.prod-card-body h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.55rem;
  color: var(--text);
}
.prod-card-body > p {
  font-size: 0.855rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 0.8rem;
}
.prod-features {
  list-style: none;
  margin: 0 0 0.8rem;
  padding: 0;
}
.prod-features li {
  font-size: 0.82rem;
  color: var(--text-muted);
  padding: 0.22rem 0 0.22rem 1.1rem;
  position: relative;
  line-height: 1.5;
}
.prod-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: 700;
  font-size: 0.75rem;
  top: 0.28rem;
}
.prod-visc {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: auto;
  margin-bottom: 0.8rem;
}
.prod-visc span {
  background: rgba(255,140,0,0.1);
  border: 1px solid rgba(255,140,0,0.28);
  color: var(--primary-light);
  padding: 2px 10px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  font-family: 'Courier New', monospace;
}
.prod-pres {
  font-size: 0.8rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
  padding-top: 0.7rem;
  margin-top: auto;
}
.prod-pres i {
  color: var(--primary);
  margin-right: 5px;
}

/* ===== COMING SOON ===== */
.coming-soon-box {
  text-align: center;
  padding: 4rem 2rem;
  background: var(--bg-card);
  border-radius: var(--radius);
  border: 1px dashed var(--border);
  margin-top: 1rem;
}
.coming-soon-box i {
  font-size: 2.5rem;
  color: var(--primary);
  margin-bottom: 1rem;
  opacity: 0.55;
  display: block;
}
.coming-soon-box h3 {
  font-size: 1.3rem;
  margin-bottom: 0.75rem;
}
.coming-soon-box p {
  color: var(--text-muted);
  max-width: 420px;
  margin: 0 auto 1.75rem;
  font-size: 0.92rem;
}

/* ===== CTA BANNER ===== */
.catalog-cta {
  border-top: 1px solid var(--border);
  background: linear-gradient(135deg, rgba(255,140,0,0.06), rgba(255,215,0,0.03));
  padding: 60px 24px;
}
.cta-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}
.cta-inner h2 {
  font-size: clamp(1.3rem, 3vw, 1.8rem);
  font-weight: 700;
  margin-bottom: 0.4rem;
}
.cta-inner p { color: var(--text-muted); font-size: 0.95rem; }
.cta-inner .btn { flex-shrink: 0; }

/* ===== NAV ACTIVE STATE ===== */
.nav-active { color: var(--primary) !important; }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .brand-header { flex-direction: column; text-align: center; gap: 1rem; }
  .brand-header p { text-align: center; }
  .cta-inner { flex-direction: column; text-align: center; }
}
@media (max-width: 480px) {
  .prod-grid { grid-template-columns: 1fr; }
  .catalog-header { padding: 110px 0 40px; }
}