/* ==================================================
   KEYAN CORPORATION — PRODUCTS CATALOGUE STYLESHEET
   Design Concept: B2B Ecommerce Product Catalogue
   Color Palette:
   - Deep Navy: #031F33 / #063B5C / #08334D
   - Industrial Orange: #FF7A18 / #E06305
   - Soft Background: #F8FAFC / #F1F5F9
   - Text: #0A1C28 / Muted: #64748B
   ================================================== */

:root {
  --prod-navy-darkest: #031F33;
  --prod-navy-deep: #063B5C;
  --prod-navy-mid: #0B4E74;
  --prod-orange: #FF7A18;
  --prod-orange-hover: #E06305;
  --prod-orange-glow: rgba(255, 122, 24, 0.25);

  --prod-bg-light: #F8FAFC;
  --prod-border-light: #E2E8F0;
  --prod-text-dark: #0A1C28;
  --prod-text-muted: #64748B;

  --font-heading: 'Space Grotesk', 'Plus Jakarta Sans', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --transition-smooth: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  --shadow-card: 0 10px 30px rgba(6, 59, 92, 0.08);
}

.prod-page-body {
  background-color: #FFFFFF;
  color: var(--prod-text-dark);
  font-family: var(--font-body);
  overflow-x: hidden;
}

/* ==================================================
   1. PRODUCTS HERO BANNER
   ================================================== */
.prod-hero-section {
  position: relative;
  background: var(--prod-navy-darkest);
  color: #FFFFFF;
  padding: 4rem 0 3.5rem;
  overflow: hidden;
  text-align: center;
}

.prod-hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
  filter: contrast(1.1);
}

.prod-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(3, 31, 51, 0.75) 0%,
    rgba(3, 31, 51, 0.95) 100%
  );
}

.prod-hero-content {
  position: relative;
  z-index: 2;
  max-width: 860px;
  margin: 0 auto;
}

.prod-hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 3.8vw, 3.2rem);
  font-weight: 800;
  line-height: 1.1;
  text-transform: uppercase;
  margin-bottom: 0.8rem;
  color: #FFFFFF;
}

.prod-hero-subtitle {
  font-size: 1.1rem;
  color: #94A3B8;
  max-width: 650px;
  margin: 0 auto 2rem;
  line-height: 1.6;
}

/* Category Filter Tabs Pill Bar (Sticky) */
.prod-cat-pill-wrapper {
  position: sticky;
  top: 0;
  z-index: 900;
  background: var(--prod-navy-darkest);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  border-bottom: 3px solid var(--prod-orange);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.25);
}

.prod-cat-pill-list {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  list-style: none;
  margin: 0;
  padding: 0.75rem 0;
  overflow-x: auto;
  white-space: nowrap;
  scrollbar-width: none;
}

.prod-cat-pill-list::-webkit-scrollbar {
  display: none;
}

.prod-cat-pill-btn {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #CBD5E1;
  padding: 0.6rem 1.2rem;
  border-radius: 50px;
  font-family: var(--font-heading);
  font-size: 0.83rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.prod-cat-pill-btn:hover {
  background: rgba(255, 122, 24, 0.2);
  border-color: var(--prod-orange);
  color: #FFFFFF;
}

.prod-cat-pill-btn.active {
  background: var(--prod-orange);
  border-color: var(--prod-orange);
  color: #FFFFFF;
  box-shadow: 0 4px 14px var(--prod-orange-glow);
}

/* ==================================================
   2. FILTER & SORT CONTROLS CARD
   ================================================== */
.prod-main-section {
  padding: 3.5rem 0 5rem;
  background: var(--prod-bg-light);
}

.prod-filter-card {
  background: #FFFFFF;
  border: 1px solid var(--prod-border-light);
  border-radius: 12px;
  padding: 1.5rem 2rem;
  box-shadow: var(--shadow-card);
  margin-bottom: 2.5rem;
}

.prod-filter-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr auto;
  gap: 1.2rem;
  align-items: end;
}

.prod-filter-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.prod-filter-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--prod-navy-deep);
}

.prod-filter-control {
  background: #FFFFFF;
  border: 1px solid var(--prod-border-light);
  border-radius: 6px;
  padding: 0.65rem 0.85rem;
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--prod-text-dark);
  outline: none;
  transition: var(--transition-smooth);
  width: 100%;
}

.prod-filter-control:focus {
  border-color: var(--prod-orange);
  box-shadow: 0 0 0 3px var(--prod-orange-glow);
}

.prod-reset-btn {
  background: rgba(6, 59, 92, 0.06);
  border: 1px solid var(--prod-border-light);
  color: var(--prod-navy-deep);
  padding: 0.65rem 1.2rem;
  border-radius: 6px;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: var(--transition-smooth);
}

.prod-reset-btn:hover {
  background: var(--prod-navy-deep);
  color: #FFFFFF;
}

.prod-results-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--prod-text-muted);
}

/* ==================================================
   3. ECOMMERCE PRODUCT CARDS GRID
   ================================================== */
.prod-grid-4col {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 1.8rem;
}

/* Individual Product Card */
.prod-card {
  background: #FFFFFF;
  border: 1px solid var(--prod-border-light);
  border-radius: 10px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: var(--transition-smooth);
  position: relative;
}

.prod-card:hover {
  border-color: var(--prod-orange);
  box-shadow: 0 14px 36px rgba(6, 59, 92, 0.12);
  transform: translateY(-4px);
}

.prod-card-img-stage {
  position: relative;
  aspect-ratio: 4 / 3;
  background: var(--prod-bg-light);
  padding: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.prod-card-img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  transition: transform 0.5s ease;
}

.prod-card:hover .prod-card-img {
  transform: scale(1.08);
}

.prod-card-body {
  padding: 1.2rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.prod-card-brand {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--prod-navy-mid);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.3rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.prod-card-title {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--prod-navy-darkest);
  line-height: 1.3;
  margin-bottom: 0.8rem;
  height: 2.7rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.prod-card-title a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease;
}

.prod-card-title a:hover {
  color: var(--prod-orange);
}

/* USD PRICE ROW */
.prod-card-price-row {
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
  margin-bottom: 0.8rem;
}

.prod-card-price-usd {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--prod-navy-darkest);
}

.prod-card-currency {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--prod-orange);
}

.prod-card-status {
  font-size: 0.78rem;
  font-weight: 700;
  color: #059669;
  background: #ECFDF5;
  padding: 0.25rem 0.6rem;
  border-radius: 4px;
  width: fit-content;
  margin-bottom: 1rem;
}

.prod-card-status.request-only {
  color: var(--prod-navy-mid);
  background: #F1F5F9;
}

/* CARD ACTIONS */
.prod-card-actions {
  display: flex;
  gap: 0.6rem;
  margin-top: auto;
  padding-top: 0.8rem;
  border-top: 1px solid var(--prod-border-light);
}

.prod-btn-buy {
  flex: 1;
  background: var(--prod-orange);
  color: #FFFFFF;
  border: none;
  padding: 0.7rem 0.5rem;
  border-radius: 4px;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 800;
  text-transform: uppercase;
  text-decoration: none;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  transition: var(--transition-smooth);
}

.prod-btn-buy:hover {
  background: var(--prod-orange-hover);
  box-shadow: 0 4px 12px var(--prod-orange-glow);
  color: #FFFFFF;
}

.prod-btn-rfq {
  background: rgba(6, 59, 92, 0.08);
  color: var(--prod-navy-deep);
  border: 1px solid var(--prod-border-light);
  padding: 0.7rem 0.8rem;
  border-radius: 4px;
  font-family: var(--font-heading);
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-smooth);
}

.prod-btn-rfq:hover {
  background: var(--prod-navy-deep);
  color: #FFFFFF;
}

@media (max-width: 992px) {
  .prod-filter-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .prod-filter-grid {
    grid-template-columns: 1fr;
  }
}