/* ═══════════════════════════════════════════════════════════
   products.css — Page-specific styles for products.html
   Global styles live in css/style.css
═══════════════════════════════════════════════════════════ */

/* ─── LAYOUT VARIABLES ─── */
:root {
  --sidebar-w: 228px;
}

/* ─── MASTHEAD ─── */
.masthead {
  background: var(--fill-primary);
  border-bottom: 0.5px solid var(--separator);
  padding: 72px 48px 56px;
}

.masthead-inner {
  max-width: 1360px;
  margin: 0 auto;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}

.masthead h1 {
  font-family: var(--font-display);
  font-size: clamp(36px, 4.5vw, 60px);
  font-weight: 700;
  letter-spacing: -2px;
  line-height: 1.02;
  color: var(--label-primary);
}

.masthead-desc {
  font-size: 16px;
  font-weight: 400;
  line-height: 1.65;
  color: var(--label-secondary);
  max-width: 480px;
  margin-top: 16px;
}

.masthead-meta {
  display: flex;
  align-items: center;
  gap: 20px;
  padding-bottom: 4px;
  flex-shrink: 0;
}

.meta-stat { text-align: center; }

.meta-num {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -1px;
  color: var(--label-primary);
  line-height: 1;
}

.meta-lbl {
  font-size: 11px;
  color: var(--label-tertiary);
  margin-top: 3px;
}

.meta-divider {
  width: 1px;
  height: 36px;
  background: var(--separator-opaque);
}

/* ─── TWO-COLUMN LAYOUT ─── */
.catalog-layout {
  max-width: 1360px;
  margin: 0 auto;
  padding: 0 48px;
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  align-items: start;
}

/* ─── SIDEBAR ─── */
.sidebar {
  position: sticky;
  top: calc(var(--nav-h) + 32px);
  padding: 40px 32px 40px 0;
  border-right: 0.5px solid var(--separator);
  max-height: calc(100vh - var(--nav-h) - 40px);
  overflow-y: auto;
  scrollbar-width: none;
}
.sidebar::-webkit-scrollbar { display: none; }

.sidebar-label {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--label-quaternary);
  margin-bottom: 20px;
  padding-left: 2px;
}

.sidebar-nav { list-style: none; }
.sidebar-nav li { margin-bottom: 2px; }

.sidebar-nav a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 9px 12px;
  border-radius: var(--r-md);
  text-decoration: none;
  transition: background 0.18s, color 0.18s;
  gap: 8px;
}
.sidebar-nav a:hover { background: var(--fill-secondary); }
.sidebar-nav a.active { background: var(--label-primary); }
.sidebar-nav a.active .sn-name { color: #fff; }
.sidebar-nav a.active .sn-count {
  background: rgba(255,255,255,0.18);
  color: rgba(255,255,255,0.7);
}

.sn-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.sn-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--label-quaternary);
  flex-shrink: 0;
  transition: background 0.18s;
}
.sidebar-nav a.active .sn-dot { background: rgba(255,255,255,0.5); }

.sn-name {
  font-size: 13px;
  font-weight: 500;
  color: var(--label-primary);
  transition: color 0.18s;
  white-space: nowrap;
}

.sn-count {
  font-size: 11px;
  font-weight: 500;
  color: var(--label-tertiary);
  background: var(--fill-tertiary);
  border-radius: var(--r-pill);
  padding: 2px 8px;
  flex-shrink: 0;
  transition: background 0.18s, color 0.18s;
}

.sidebar-cta {
  margin-top: 32px;
  padding: 0 4px;
}

.sidebar-cta-btn {
  width: 100%;
  background: var(--label-primary);
  color: #fff;
  border: none;
  padding: 11px 16px;
  border-radius: var(--r-lg);
  font-family: var(--font-text);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  text-align: center;
  text-decoration: none;
  display: block;
  transition: opacity 0.15s, transform 0.2s var(--spring);
}
.sidebar-cta-btn:hover {
  opacity: 0.82;
  transform: scale(1.02);
}

/* ─── MAIN CATALOG AREA ─── */
.catalog-content {
  padding-left: 56px;
  padding-bottom: 120px;
}

/* ─── CATEGORY BLOCK ─── */
.cat-block {
  padding: 64px 0;
  border-bottom: 0.5px solid var(--separator);
}
.cat-block:first-child { padding-top: 48px; }
.cat-block:last-child { border-bottom: none; }

/* Category header row */
.cat-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 32px;
}

.cat-head-left { flex: 1; }

.cat-index {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--label-quaternary);
  margin-bottom: 8px;
}

.cat-name {
  font-family: var(--font-display);
  font-size: clamp(22px, 2.5vw, 30px);
  font-weight: 700;
  letter-spacing: -0.8px;
  color: var(--label-primary);
  line-height: 1.1;
}

.cat-desc-text {
  font-size: 14px;
  color: var(--label-tertiary);
  margin-top: 8px;
  max-width: 480px;
  line-height: 1.65;
}

.cat-count-badge {
  flex-shrink: 0;
  background: var(--fill-secondary);
  border-radius: var(--r-pill);
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 500;
  color: var(--label-secondary);
  margin-top: 4px;
  white-space: nowrap;
}

/* ─── HERO BANNER ─── */
.cat-hero {
  width: 100%;
  height: 220px;
  border-radius: var(--r-xl);
  overflow: hidden;
  position: relative;
  margin-bottom: 20px;
  box-shadow: var(--shadow-md);
}

.cat-hero img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--spring);
}
.cat-hero:hover img { transform: scale(1.03); }

.cat-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(29,29,31,0.55) 0%, rgba(29,29,31,0.1) 60%, transparent 100%);
  display: flex;
  align-items: flex-end;
  padding: 24px 28px;
}

.cat-hero-tag {
  background: rgba(255,255,255,0.18);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border: 0.5px solid rgba(255,255,255,0.25);
  border-radius: var(--r-pill);
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 500;
  color: #fff;
  letter-spacing: 0.2px;
}

/* ─── PRODUCT CARD GRID ─── */
.prod-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

/* ─── PRODUCT CARD ─── */
.prod-card {
  background: var(--fill-primary);
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 0.5px solid var(--separator);
  box-shadow: var(--shadow-sm);
  cursor: default;
  display: flex;
  flex-direction: column;
  transition: transform 0.32s var(--spring), box-shadow 0.32s var(--spring), border-color 0.2s;
}
.prod-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.prod-card-img-wrap {
  width: 100%;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: var(--fill-secondary);
  position: relative;
}

.prod-card-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s var(--spring), filter 0.4s;
}
.prod-card:hover .prod-card-img-wrap img {
  transform: scale(1.08);
  filter: brightness(1.05) saturate(1.1);
}

/* Accent bar on hover */
.prod-card-img-wrap::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent-deep);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--spring);
}
.prod-card:hover .prod-card-img-wrap::after { transform: scaleX(1); }

.prod-card-body {
  padding: 13px 14px 15px;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.prod-card-name {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  color: var(--label-primary);
  letter-spacing: -0.2px;
  line-height: 1.3;
}

.prod-card-avail {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 7px;
  font-size: 11px;
  font-weight: 500;
  color: var(--label-tertiary);
  background: var(--fill-secondary);
  border-radius: var(--r-sm);
  padding: 3px 8px;
  letter-spacing: 0.1px;
  transition: background 0.2s, color 0.2s;
}
.prod-card:hover .prod-card-avail {
  background: var(--accent);
  color: var(--accent-text);
}

/* ─── ENQUIRY STRIP ─── */
.enquiry-strip {
  background: var(--label-primary);
  border-radius: var(--r-xl);
  padding: 52px 56px;
  margin: 64px 0 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}

.strip-text h2 {
  font-family: var(--font-display);
  font-size: clamp(22px, 2.5vw, 32px);
  font-weight: 700;
  letter-spacing: -0.8px;
  color: #fff;
}

.strip-text p {
  font-size: 15px;
  color: rgba(255,255,255,0.5);
  margin-top: 8px;
  max-width: 380px;
  line-height: 1.6;
}

.strip-btn {
  background: #fff;
  color: var(--label-primary);
  border: none;
  padding: 13px 26px;
  border-radius: var(--r-pill);
  font-family: var(--font-text);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  flex-shrink: 0;
  text-decoration: none;
  transition: opacity 0.15s, transform 0.2s var(--spring);
}
.strip-btn:hover {
  opacity: 0.88;
  transform: scale(1.03);
}

/* ─── RESPONSIVE ─── */
@media (max-width: 1024px) {
  .catalog-layout {
    grid-template-columns: 1fr;
    padding: 0 24px;
  }
  .sidebar { display: none; }
  .catalog-content { padding-left: 0; }
  .prod-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 720px) {
  .masthead { padding: 48px 20px 40px; }
  .masthead-meta { display: none; }
  .prod-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }
  .cat-hero { height: 160px; }
  .enquiry-strip { padding: 36px 28px; }
}

@media (max-width: 440px) {
  .prod-grid { grid-template-columns: 1fr; }
}