/* ============================================================
   pages/products.css — Product Listing Page
   ============================================================ */

/* ── Page Hero ────────────────────────────────────────────── */
.page-hero {
  background: var(--clr-bg-2);
  border-bottom: 1px solid var(--clr-border);
  padding: var(--space-16) 0 var(--space-12);
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--clr-border) 1px, transparent 1px),
    linear-gradient(90deg, var(--clr-border) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, transparent, black 40%, black 70%, transparent);
  -webkit-mask-image: linear-gradient(to bottom, transparent, black 40%, black 70%, transparent);
  opacity: 0.5;
}
.page-hero-inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-8);
  flex-wrap: wrap;
}
.page-hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  line-height: 1;
  margin-bottom: var(--space-3);
}
.page-hero-sub {
  font-size: 0.95rem;
  color: var(--clr-text-dim);
  max-width: 52ch;
  margin: 0;
  line-height: 1.65;
}
.page-hero-meta {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  flex-shrink: 0;
}
.page-hero-count {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--clr-text-dim);
  text-transform: uppercase;
}
.page-hero-count span {
  font-size: 1.6rem;
  font-family: var(--font-display);
  font-weight: 800;
  color: var(--clr-white);
  display: block;
  line-height: 1;
  letter-spacing: -0.02em;
}

/* ── Filter Bar ───────────────────────────────────────────── */
.filter-bar {
  background: var(--clr-bg);
  border-bottom: 1px solid var(--clr-border);
  padding: var(--space-4) 0;
  position: sticky;
  top: 64px;
  z-index: 50;
}
.filter-bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  flex-wrap: wrap;
}
.filter-tabs {
  display: flex;
  gap: var(--space-1);
}
.filter-tab {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--clr-text-dim);
  padding: var(--space-2) var(--space-4);
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: color var(--transition), border-color var(--transition),
              background var(--transition);
  background: none;
}
.filter-tab:hover {
  color: var(--clr-white);
  border-color: var(--clr-border);
}
.filter-tab.is-active {
  color: var(--clr-red);
  border-color: var(--clr-red);
  background: var(--clr-red-dim);
}
.filter-sort {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.filter-sort-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--clr-text-dim);
  white-space: nowrap;
}
.filter-sort select {
  background: var(--clr-bg-3);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  color: var(--clr-text);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  padding: var(--space-2) var(--space-4);
  cursor: pointer;
  outline: none;
  transition: border-color var(--transition);
}
.filter-sort select:focus { border-color: var(--clr-red); }
.filter-sort select option { background: var(--clr-bg-2); }

/* ── Products Layout ──────────────────────────────────────── */
.products-page { padding: var(--space-16) 0 var(--space-24); }

.products-page-grid {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: var(--space-6);
}

/* ── Product Card (horizontal landscape for listing) ──────── */
.product-card {
  display: grid;
  grid-template-columns: 320px 1fr;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition),
              transform var(--transition);
  text-decoration: none;
  position: relative;
}
.product-card:hover {
  border-color: var(--clr-red);
  box-shadow: 0 8px 48px rgba(0,0,0,0.5), 0 0 0 1px var(--clr-red);
  transform: translateY(-3px);
}

/* Featured badge */
.product-card.is-featured::after {
  content: 'POPULAR';
  position: absolute;
  top: var(--space-4);
  left: var(--space-4);
  background: var(--clr-red);
  color: var(--clr-white);
  font-family: var(--font-mono);
  font-size: 0.58rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  z-index: 2;
}

/* Image pane */
.product-card-image {
  position: relative;
  overflow: hidden;
  background: var(--clr-bg-3);
  display: flex;
  align-items: center;
  justify-content: center;
}
.product-card-image img {
  max-height: 100%;
  object-fit: cover;
  transition: transform 0.55s var(--ease-out);
}

.product-card:hover .product-card-image img { transform: scale(1.06); }

/* SVG placeholder illustration */
.product-card-placeholder {
  width: 100%; height: 100%;
  min-height: 260px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  background: linear-gradient(145deg, #141414 0%, #1c1c1c 100%);
  position: relative;
}
.product-card-placeholder::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 20px 20px;
}
.placeholder-svg {
  position: relative;
  z-index: 1;
}
.placeholder-label {
  position: relative;
  z-index: 1;
  font-family: var(--font-display);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--clr-text-dim);
}

/* Content pane */
.product-card-body {
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.product-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}
.product-card-model {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--clr-red);
}
.product-card-cert {
  display: flex;
  gap: var(--space-2);
}
.cert-badge {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.06em;
  color: var(--clr-text-dim);
  border: 1px solid var(--clr-border);
  padding: 1px 6px;
  border-radius: var(--radius-sm);
}

.product-card-name {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2vw, 1.7rem);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--clr-white);
  line-height: 1.1;
}

.product-card-desc {
  font-size: 0.875rem;
  color: var(--clr-text-dim);
  line-height: 1.7;
  margin: 0;
}

/* Spec strip */
.product-card-specs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--clr-border);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.spec-cell {
  background: var(--clr-bg-3);
  padding: var(--space-3) var(--space-4);
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.spec-cell-label {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--clr-text-dim);
}
.spec-cell-value {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--clr-white);
  letter-spacing: 0.04em;
}

/* CTA row */
.product-card-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-top: auto;
}
.product-card-price {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.product-card-price-label {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--clr-text-dim);
}
.product-card-price-value {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--clr-white);
  line-height: 1;
  letter-spacing: -0.01em;
}
.product-card-price-note {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--clr-text-dim);
  letter-spacing: 0.06em;
}
.product-card-actions {
  display: flex;
  gap: var(--space-3);
}

/* ── Trust Bar ────────────────────────────────────────────── */
.trust-bar {
  background: var(--clr-bg-2);
  border-top: 1px solid var(--clr-border);
  border-bottom: 1px solid var(--clr-border);
  padding: var(--space-8) 0;
}
.trust-bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
  flex-wrap: wrap;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.trust-item-icon {
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  background: var(--clr-red-dim);
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}
.trust-item-icon svg {
  width: 18px; height: 18px;
  stroke: var(--clr-red);
  fill: none;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.trust-item-text strong {
  display: block;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--clr-white);
}
.trust-item-text span {
  font-size: 0.75rem;
  color: var(--clr-text-dim);
}

/* ── Compare CTA ──────────────────────────────────────────── */
.compare-cta {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: var(--space-10) var(--space-10);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
  flex-wrap: wrap;
  margin-top: var(--space-8);
}
.compare-cta-text h3 {
  font-size: 1.3rem;
  margin-bottom: var(--space-2);
}
.compare-cta-text p {
  font-size: 0.875rem;
  color: var(--clr-text-dim);
  max-width: 44ch;
  margin: 0;
}
.compare-cta-actions { display: flex; gap: var(--space-4); flex-shrink: 0; }

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 1200px) {
  .product-card { grid-template-columns: 260px 1fr; }
}

@media (max-width: 1024px) {
  .products-page-grid { grid-template-columns: 1fr; }
  .product-card { grid-template-columns: 280px 1fr; }
}

@media (max-width: 768px) {
  .product-card {
    grid-template-columns: 1fr;
    grid-template-rows: 220px 1fr;
  }
  .product-card-placeholder { min-height: 220px; }
  .filter-bar-inner { flex-direction: column; align-items: flex-start; }
  .trust-bar-inner { gap: var(--space-6); }
  .compare-cta { flex-direction: column; }
  .compare-cta-actions { flex-direction: column; width: 100%; }
  .compare-cta-actions .btn { width: 100%; justify-content: center; }
}

@media (max-width: 480px) {
  .product-card-specs { grid-template-columns: 1fr 1fr; }
  .product-card-cta { flex-direction: column; align-items: flex-start; }
  .product-card-actions { width: 100%; }
  .product-card-actions .btn { flex: 1; justify-content: center; }
  .filter-tabs { flex-wrap: wrap; }
  .page-hero-inner { flex-direction: column; align-items: flex-start; }
}