/**
 * Subhan Enterprises / Subhan Leather
 * Luxury Leather Manufacturing & Export B2B Theme
 *
 * Palette:
 * - Charcoal Graphite: #30383B
 * - Burnt Terracotta:  #BD674D
 * - Soft Sage:         #98A69A
 * - Parchment White:   #F7F4ED
 * - Warm Stone:        #DCD6CC
 * - Deep Ink:          #1F2527
 * - Pure White:        #FFFFFF
 */

/* ==========================================================================
   1. CSS Variables & Reset
   ========================================================================== */
:root {
  --charcoal-graphite: #30383B;
  --burnt-terracotta:  #BD674D;
  --terracotta-hover:   #A3543D;
  --terracotta-light:   #F4E8E3;
  --soft-sage:         #98A69A;
  --sage-light:        #EBF0EC;
  --parchment-white:   #F7F4ED;
  --parchment-card:    #FAF8F4;
  --warm-stone:        #DCD6CC;
  --warm-stone-light:  #EFECE6;
  --deep-ink:          #1F2527;
  --pure-white:        #FFFFFF;
  --text-primary:      #1F2527;
  --text-secondary:    #555F63;
  --text-muted:        #788489;
  --text-light:        #F7F4ED;
  --border-subtle:     #E5DFC8;
  --border-strong:     #D0C9BD;
  --shadow-sm:         0 2px 8px rgba(31, 37, 39, 0.05);
  --shadow-md:         0 8px 24px rgba(31, 37, 39, 0.08);
  --shadow-lg:         0 16px 40px rgba(31, 37, 39, 0.12);
  --shadow-xl:         0 24px 60px rgba(31, 37, 39, 0.16);
  --radius-sm:         4px;
  --radius-md:         8px;
  --radius-lg:         16px;
  --radius-xl:         24px;
  --transition-fast:   0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  --font-heading:      'Outfit', 'Sora', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-editorial:    'Cormorant Garamond', Georgia, serif;
  --font-body:         'Manrope', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --max-width:         1280px;
  --container-padding: 1.5rem;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  background-color: var(--parchment-white);
  color: var(--text-primary);
  line-height: 1.65;
  overflow-x: hidden;
}

img, picture, svg, video {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

button, input, select, textarea {
  font: inherit;
  color: inherit;
}

ul, ol {
  list-style: none;
}

/* ==========================================================================
   2. Typography
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--charcoal-graphite);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.25rem, 5vw, 3.75rem); }
h2 { font-size: clamp(1.85rem, 3.5vw, 2.75rem); }
h3 { font-size: clamp(1.35rem, 2.5vw, 1.85rem); }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.1rem; }

.font-editorial {
  font-family: var(--font-editorial);
  font-style: italic;
  font-weight: 600;
  letter-spacing: normal;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--burnt-terracotta);
  margin-bottom: 0.75rem;
}

.eyebrow::before {
  content: '';
  display: inline-block;
  width: 1.75rem;
  height: 2px;
  background-color: var(--burnt-terracotta);
}

.lead-text {
  font-size: 1.15rem;
  line-height: 1.7;
  color: var(--text-secondary);
}

/* ==========================================================================
   3. Layout & Container
   ========================================================================== */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

.container-wide {
  max-width: 1440px;
}

.container-narrow {
  max-width: 960px;
}

.section {
  padding-block: clamp(4rem, 8vw, 7rem);
  position: relative;
}

.section-dark {
  background-color: var(--charcoal-graphite);
  color: var(--parchment-white);
}

.section-dark h1,
.section-dark h2,
.section-dark h3 {
  color: var(--pure-white);
}

.section-dark .lead-text {
  color: var(--warm-stone);
}

.section-deep {
  background-color: var(--deep-ink);
  color: var(--parchment-white);
}

.section-warm {
  background-color: var(--warm-stone-light);
}

.section-sage {
  background-color: var(--sage-light);
}

.section-header {
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.section-header.text-center {
  text-align: center;
}

.section-header.text-center .eyebrow::before {
  margin-inline: auto;
}

/* ==========================================================================
   4. Buttons & Badges
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.95rem 2rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn-terracotta {
  background-color: var(--burnt-terracotta);
  color: var(--pure-white);
  border-color: var(--burnt-terracotta);
  box-shadow: 0 4px 14px rgba(189, 103, 77, 0.35);
}

.btn-terracotta:hover {
  background-color: var(--charcoal-graphite);
  border-color: var(--charcoal-graphite);
  color: var(--pure-white);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(48, 56, 59, 0.35);
}

.btn-graphite {
  background-color: var(--charcoal-graphite);
  color: var(--pure-white);
  border-color: var(--charcoal-graphite);
}

.btn-graphite:hover {
  background-color: var(--burnt-terracotta);
  border-color: var(--burnt-terracotta);
  transform: translateY(-2px);
}

.btn-outline {
  background-color: transparent;
  color: var(--charcoal-graphite);
  border-color: var(--charcoal-graphite);
}

.btn-outline:hover {
  background-color: var(--charcoal-graphite);
  color: var(--pure-white);
}

.btn-outline-light {
  background-color: transparent;
  color: var(--parchment-white);
  border-color: rgba(247, 244, 237, 0.6);
}

.btn-outline-light:hover {
  background-color: var(--pure-white);
  color: var(--charcoal-graphite);
  border-color: var(--pure-white);
}

.btn-sm {
  padding: 0.6rem 1.25rem;
  font-size: 0.8rem;
}

.btn-lg {
  padding: 1.15rem 2.5rem;
  font-size: 1rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.3rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  background-color: var(--parchment-white);
  color: var(--charcoal-graphite);
}

.badge-terracotta {
  background-color: var(--burnt-terracotta);
  color: var(--pure-white);
}

.badge-sage {
  background-color: var(--soft-sage);
  color: var(--deep-ink);
}

.badge-graphite {
  background-color: var(--charcoal-graphite);
  color: var(--pure-white);
}

/* ==========================================================================
   5. Header & Navigation
   ========================================================================== */
.top-bar {
  background-color: var(--deep-ink);
  color: var(--warm-stone);
  font-size: 0.8rem;
  padding-block: 0.5rem;
  border-bottom: 1px solid rgba(220, 214, 204, 0.12);
}

.top-bar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.top-bar-left, .top-bar-right {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.top-bar-item {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  transition: color var(--transition-fast);
}

.top-bar-item:hover {
  color: var(--pure-white);
}

.top-bar-item svg {
  width: 14px;
  height: 14px;
  stroke: var(--burnt-terracotta);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(247, 244, 237, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
  transition: all var(--transition-fast);
}

.site-header.scrolled {
  background-color: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-sm);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 82px;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.site-logo img,
.site-logo svg {
  height: 48px;
  width: auto;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav-link {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--charcoal-graphite);
  padding: 0.5rem 0;
  position: relative;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background-color: var(--burnt-terracotta);
  transition: width var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
  color: var(--burnt-terracotta);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

/* Dropdown */
.nav-dropdown {
  position: relative;
}

.nav-dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 240px;
  background-color: var(--pure-white);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 0.75rem 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-fast);
  z-index: 100;
}

.nav-dropdown:hover .nav-dropdown-menu,
.nav-dropdown:focus-within .nav-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-link {
  display: block;
  padding: 0.65rem 1.5rem;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-primary);
  transition: all var(--transition-fast);
}

.dropdown-link:hover {
  background-color: var(--parchment-white);
  color: var(--burnt-terracotta);
  padding-left: 1.85rem;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  color: var(--charcoal-graphite);
}

.mobile-toggle svg {
  width: 28px;
  height: 28px;
}

/* Mobile Drawer */
.mobile-nav-drawer {
  position: fixed;
  top: 0;
  right: -100%;
  width: 85%;
  max-width: 380px;
  height: 100vh;
  background-color: var(--charcoal-graphite);
  color: var(--parchment-white);
  z-index: 2000;
  padding: 2rem 1.75rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: right var(--transition-normal);
  box-shadow: var(--shadow-xl);
  overflow-y: auto;
}

.mobile-nav-drawer.open {
  right: 0;
}

.mobile-drawer-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(31, 37, 39, 0.6);
  backdrop-filter: blur(4px);
  z-index: 1999;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
}

.mobile-drawer-backdrop.active {
  opacity: 1;
  visibility: visible;
}

.mobile-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(247, 244, 237, 0.15);
}

.mobile-drawer-close {
  background: none;
  border: none;
  color: var(--parchment-white);
  cursor: pointer;
  padding: 0.5rem;
}

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.mobile-nav-link {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--parchment-white);
  display: block;
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
  color: var(--burnt-terracotta);
}

/* ==========================================================================
   6. Cinematic Hero Section
   ========================================================================== */
.hero-section {
  position: relative;
  min-height: calc(100vh - 120px);
  display: flex;
  align-items: center;
  background-color: var(--charcoal-graphite);
  color: var(--parchment-white);
  overflow: hidden;
  padding-block: 5rem;
}

.hero-backdrop {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.hero-backdrop img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0.42;
  transform: scale(1.05);
  animation: heroScale 18s ease-out infinite alternate;
}

@keyframes heroScale {
  0% { transform: scale(1.02); }
  100% { transform: scale(1.10); }
}

.hero-gradient {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    rgba(31, 37, 39, 0.95) 0%,
    rgba(31, 37, 39, 0.82) 45%,
    rgba(31, 37, 39, 0.45) 100%
  );
  z-index: 2;
}

.hero-container {
  position: relative;
  z-index: 3;
}

.hero-content {
  max-width: 720px;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--burnt-terracotta);
  background-color: rgba(189, 103, 77, 0.15);
  border: 1px solid rgba(189, 103, 77, 0.3);
  padding: 0.4rem 1rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1.5rem;
}

.hero-title {
  color: var(--pure-white);
  font-size: clamp(2.5rem, 5.5vw, 4.25rem);
  line-height: 1.1;
  margin-bottom: 1.5rem;
  font-weight: 800;
}

.hero-title span {
  color: var(--burnt-terracotta);
  font-family: var(--font-editorial);
  font-style: italic;
  font-weight: 500;
}

.hero-description {
  font-size: 1.2rem;
  line-height: 1.7;
  color: var(--warm-stone);
  margin-bottom: 2.5rem;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
  margin-bottom: 3.5rem;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  padding-top: 2.5rem;
  border-top: 1px solid rgba(247, 244, 237, 0.15);
}

.hero-stat-item h3 {
  font-size: 2rem;
  color: var(--pure-white);
  font-weight: 800;
  margin-bottom: 0.25rem;
}

.hero-stat-item h3 span {
  color: var(--burnt-terracotta);
}

.hero-stat-item p {
  font-size: 0.85rem;
  color: var(--warm-stone);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.hero-scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--warm-stone);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.hero-scroll-indicator .mouse {
  width: 22px;
  height: 36px;
  border: 2px solid rgba(220, 214, 204, 0.6);
  border-radius: 12px;
  position: relative;
}

.hero-scroll-indicator .wheel {
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  width: 3px;
  height: 6px;
  background-color: var(--burnt-terracotta);
  border-radius: 2px;
  animation: mouseWheel 2s infinite;
}

@keyframes mouseWheel {
  0% { transform: translate(-50%, 0); opacity: 1; }
  100% { transform: translate(-50%, 14px); opacity: 0; }
}

/* ==========================================================================
   7. Business Highlights / Feature Cards
   ========================================================================== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}

.feature-card {
  background-color: var(--pure-white);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 2rem 1.75rem;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 0%;
  background-color: var(--burnt-terracotta);
  transition: height var(--transition-fast);
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--burnt-terracotta);
}

.feature-card:hover::before {
  height: 100%;
}

.feature-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  background-color: var(--terracotta-light);
  color: var(--burnt-terracotta);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  transition: all var(--transition-fast);
}

.feature-card:hover .feature-icon {
  background-color: var(--burnt-terracotta);
  color: var(--pure-white);
}

.feature-icon svg {
  width: 26px;
  height: 26px;
}

.feature-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.6;
}

/* ==========================================================================
   8. About Section (Editorial Two-Column)
   ========================================================================== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: center;
}

.about-images {
  position: relative;
}

.about-image-primary {
  width: 88%;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.about-image-primary img {
  width: 100%;
  height: 520px;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

.about-image-primary:hover img {
  transform: scale(1.03);
}

.about-image-secondary {
  position: absolute;
  bottom: -2.5rem;
  right: 0;
  width: 48%;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  border: 4px solid var(--parchment-white);
}

.about-image-secondary img {
  width: 100%;
  height: 240px;
  object-fit: cover;
}

.about-experience-badge {
  position: absolute;
  top: 2rem;
  left: -1.5rem;
  background-color: var(--burnt-terracotta);
  color: var(--pure-white);
  padding: 1.25rem 1.75rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
}

.about-experience-badge h4 {
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--pure-white);
  line-height: 1;
}

.about-experience-badge p {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 0.25rem;
}

.about-content h2 {
  margin-bottom: 1.25rem;
}

.about-checklist {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-block: 2rem;
}

.checklist-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
}

.checklist-item svg {
  width: 20px;
  height: 20px;
  stroke: var(--burnt-terracotta);
  flex-shrink: 0;
  margin-top: 2px;
}

/* ==========================================================================
   9. Category Showcase Grid
   ========================================================================== */
.category-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.category-card {
  position: relative;
  height: 420px;
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 2.25rem 2rem;
  color: var(--pure-white);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
}

.category-card-bg {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.category-card-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.category-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(31, 37, 39, 0.15) 0%,
    rgba(31, 37, 39, 0.5) 45%,
    rgba(31, 37, 39, 0.92) 100%
  );
  z-index: 2;
  transition: background var(--transition-fast);
}

.category-card:hover .category-card-overlay {
  background: linear-gradient(
    180deg,
    rgba(31, 37, 39, 0.1) 0%,
    rgba(31, 37, 39, 0.6) 40%,
    rgba(189, 103, 77, 0.92) 100%
  );
}

.category-card-content {
  position: relative;
  z-index: 3;
}

.category-number {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  color: var(--burnt-terracotta);
  margin-bottom: 0.5rem;
  transition: color var(--transition-fast);
}

.category-card:hover .category-number {
  color: var(--parchment-white);
}

.category-card h3 {
  color: var(--pure-white);
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.category-card p {
  color: var(--warm-stone);
  font-size: 0.9rem;
  line-height: 1.5;
  margin-bottom: 1.25rem;
  opacity: 0.95;
}

.category-link-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--pure-white);
}

.category-link-btn svg {
  width: 16px;
  height: 16px;
  transition: transform var(--transition-fast);
}

.category-card:hover .category-link-btn svg {
  transform: translateX(5px);
}

/* ==========================================================================
   10. Product Catalog & Filter UI
   ========================================================================== */
.catalog-controls {
  background-color: var(--pure-white);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.5rem 2rem;
  margin-bottom: 3rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.catalog-search-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.search-input-wrapper {
  position: relative;
  flex: 1;
  min-width: 280px;
}

.search-input-wrapper svg {
  position: absolute;
  left: 1.25rem;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  color: var(--text-muted);
}

.catalog-search-input {
  width: 100%;
  padding: 0.85rem 1rem 0.85rem 3rem;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  background-color: var(--parchment-white);
  font-size: 0.95rem;
  transition: all var(--transition-fast);
}

.catalog-search-input:focus {
  outline: none;
  border-color: var(--burnt-terracotta);
  background-color: var(--pure-white);
  box-shadow: 0 0 0 3px rgba(189, 103, 77, 0.15);
}

.catalog-stats {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.category-pills {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.filter-pill {
  background-color: var(--parchment-white);
  border: 1px solid var(--border-subtle);
  color: var(--charcoal-graphite);
  padding: 0.55rem 1.25rem;
  border-radius: 40px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-pill:hover,
.filter-pill.active {
  background-color: var(--charcoal-graphite);
  color: var(--pure-white);
  border-color: var(--charcoal-graphite);
}

.filter-pill.active {
  background-color: var(--burnt-terracotta);
  border-color: var(--burnt-terracotta);
}

/* Product Card Grid */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2rem;
}

.product-card {
  background-color: var(--pure-white);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--burnt-terracotta);
}

.product-card-thumb {
  position: relative;
  height: 280px;
  background-color: var(--warm-stone-light);
  overflow: hidden;
}

.product-card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.product-card:hover .product-card-thumb img {
  transform: scale(1.07);
}

.product-card-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  z-index: 2;
}

.product-card-code {
  position: absolute;
  bottom: 0.75rem;
  right: 0.75rem;
  background-color: rgba(31, 37, 39, 0.85);
  color: var(--pure-white);
  padding: 0.3rem 0.65rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-heading);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  z-index: 2;
}

.product-card-body {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.product-card-category {
  font-size: 0.78rem;
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--burnt-terracotta);
  margin-bottom: 0.35rem;
}

.product-card-title {
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 0.75rem;
  color: var(--charcoal-graphite);
}

.product-card-desc {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
  flex: 1;
}

.product-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border-subtle);
  margin-top: auto;
}

.product-moq {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.product-moq strong {
  color: var(--charcoal-graphite);
}

.product-card-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* ==========================================================================
   11. Single Product Details View
   ========================================================================== */
.product-details-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: clamp(2.5rem, 5vw, 4.5rem);
  align-items: start;
}

.product-gallery-main {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background-color: var(--warm-stone-light);
  box-shadow: var(--shadow-md);
  margin-bottom: 1.25rem;
}

.product-gallery-main img {
  width: 100%;
  height: 520px;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

.product-gallery-thumbs {
  display: flex;
  gap: 1rem;
}

.gallery-thumb-btn {
  width: 90px;
  height: 90px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 2px solid transparent;
  cursor: pointer;
  background: none;
  padding: 0;
  transition: border-color var(--transition-fast);
}

.gallery-thumb-btn.active,
.gallery-thumb-btn:hover {
  border-color: var(--burnt-terracotta);
}

.gallery-thumb-btn img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.specs-table {
  width: 100%;
  border-collapse: collapse;
  margin-block: 2rem;
  background-color: var(--pure-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.specs-table tr {
  border-bottom: 1px solid var(--border-subtle);
}

.specs-table tr:last-child {
  border-bottom: none;
}

.specs-table th {
  text-align: left;
  padding: 1rem 1.25rem;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--charcoal-graphite);
  background-color: var(--parchment-white);
  width: 38%;
}

.specs-table td {
  padding: 1rem 1.25rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* ==========================================================================
   12. Technical Leather Finishing & Customization
   ========================================================================== */
.finishing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.finishing-card {
  background-color: var(--pure-white);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.finishing-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--burnt-terracotta);
}

.finishing-card-img {
  height: 220px;
  overflow: hidden;
}

.finishing-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

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

.finishing-card-body {
  padding: 1.75rem;
}

.finishing-card h3 {
  font-size: 1.3rem;
  margin-bottom: 0.65rem;
}

.finishing-card p {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.6;
}

/* 6-Step Manufacturing Process Timeline */
.process-timeline {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1.5rem;
  position: relative;
  margin-top: 3.5rem;
}

.process-step {
  display: flex;
  flex-direction: column;
  position: relative;
}

.process-number {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: var(--burnt-terracotta);
  color: var(--pure-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 800;
  margin-bottom: 1.25rem;
  position: relative;
  z-index: 2;
  box-shadow: 0 4px 12px rgba(189, 103, 77, 0.35);
}

.process-step::after {
  content: '';
  position: absolute;
  top: 24px;
  left: 48px;
  width: calc(100% - 24px);
  height: 2px;
  background-color: var(--warm-stone);
  z-index: 1;
}

.process-step:last-child::after {
  display: none;
}

.process-step h4 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
  color: var(--charcoal-graphite);
}

.process-step p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

/* ==========================================================================
   13. Gallery & Lightbox
   ========================================================================== */
.gallery-grid {
  columns: 3 320px;
  column-gap: 1.5rem;
}

.gallery-item {
  break-inside: avoid;
  margin-bottom: 1.5rem;
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
}

.gallery-item img {
  width: 100%;
  display: block;
  transition: transform var(--transition-normal);
}

.gallery-item:hover img {
  transform: scale(1.05);
}

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(31, 37, 39, 0.85) 100%);
  opacity: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.5rem;
  color: var(--pure-white);
  transition: opacity var(--transition-fast);
}

.gallery-item:hover .gallery-overlay {
  opacity: 1;
}

.gallery-overlay h4 {
  color: var(--pure-white);
  font-size: 1.15rem;
  margin-bottom: 0.25rem;
}

.gallery-overlay span {
  font-size: 0.8rem;
  color: var(--burnt-terracotta);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 700;
}

/* Lightbox Modal */
.lightbox-modal {
  position: fixed;
  inset: 0;
  background-color: rgba(15, 18, 19, 0.95);
  backdrop-filter: blur(8px);
  z-index: 3000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
}

.lightbox-modal.active {
  opacity: 1;
  visibility: visible;
}

.lightbox-content {
  max-width: 90vw;
  max-height: 85vh;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.lightbox-content img {
  max-width: 100%;
  max-height: 80vh;
  object-fit: contain;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-xl);
}

.lightbox-caption {
  margin-top: 1rem;
  color: var(--parchment-white);
  font-size: 1.1rem;
  font-weight: 600;
}

.lightbox-close,
.lightbox-prev,
.lightbox-next {
  position: absolute;
  background: rgba(48, 56, 59, 0.7);
  border: 1px solid rgba(247, 244, 237, 0.2);
  color: var(--pure-white);
  cursor: pointer;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.lightbox-close {
  top: 2rem;
  right: 2rem;
  width: 44px;
  height: 44px;
}

.lightbox-prev {
  left: 2rem;
  top: 50%;
  transform: translateY(-50%);
  width: 50px;
  height: 50px;
}

.lightbox-next {
  right: 2rem;
  top: 50%;
  transform: translateY(-50%);
  width: 50px;
  height: 50px;
}

.lightbox-close:hover,
.lightbox-prev:hover,
.lightbox-next:hover {
  background-color: var(--burnt-terracotta);
}

/* ==========================================================================
   14. Quotation & B2B RFQ Form
   ========================================================================== */
.quote-layout {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}

.quote-card {
  background-color: var(--pure-white);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: clamp(2rem, 4vw, 3rem);
  box-shadow: var(--shadow-md);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group.full-width {
  grid-column: 1 / -1;
}

.form-label {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--charcoal-graphite);
}

.form-label span {
  color: var(--burnt-terracotta);
}

.form-control {
  width: 100%;
  padding: 0.85rem 1.15rem;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  background-color: var(--parchment-white);
  font-size: 0.95rem;
  transition: all var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--burnt-terracotta);
  background-color: var(--pure-white);
  box-shadow: 0 0 0 3px rgba(189, 103, 77, 0.15);
}

textarea.form-control {
  min-height: 120px;
  resize: vertical;
}

.quote-aside-card {
  background-color: var(--charcoal-graphite);
  color: var(--parchment-white);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-lg);
}

.quote-aside-card h3 {
  color: var(--pure-white);
  margin-bottom: 1.25rem;
}

.contact-quick-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(247, 244, 237, 0.15);
}

.contact-quick-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.contact-quick-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background-color: rgba(189, 103, 77, 0.2);
  color: var(--burnt-terracotta);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-quick-icon svg {
  width: 20px;
  height: 20px;
}

/* ==========================================================================
   15. Footer
   ========================================================================== */
.site-footer {
  background-color: var(--deep-ink);
  color: var(--warm-stone);
  border-top: 3px solid var(--burnt-terracotta);
  padding-top: clamp(4rem, 6vw, 6rem);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: clamp(2rem, 4vw, 3.5rem);
  padding-bottom: 4rem;
  border-bottom: 1px solid rgba(220, 214, 204, 0.12);
}

.footer-col h4 {
  color: var(--pure-white);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  margin-bottom: 1.5rem;
  position: relative;
  display: inline-block;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 30px;
  height: 2px;
  background-color: var(--burnt-terracotta);
}

.footer-logo {
  margin-bottom: 1.25rem;
}

.footer-desc {
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--warm-stone);
  margin-bottom: 1.75rem;
}

.footer-social-links {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.social-link {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: rgba(247, 244, 237, 0.08);
  border: 1px solid rgba(247, 244, 237, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--parchment-white);
  transition: all var(--transition-fast);
}

.social-link:hover {
  background-color: var(--burnt-terracotta);
  border-color: var(--burnt-terracotta);
  color: var(--pure-white);
  transform: translateY(-3px);
}

.social-link svg {
  width: 18px;
  height: 18px;
}

.footer-nav-list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.footer-nav-link {
  font-size: 0.92rem;
  color: var(--warm-stone);
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.footer-nav-link:hover {
  color: var(--burnt-terracotta);
  padding-left: 0.4rem;
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  margin-bottom: 1rem;
  font-size: 0.9rem;
  color: var(--warm-stone);
}

.footer-contact-item svg {
  width: 18px;
  height: 18px;
  stroke: var(--burnt-terracotta);
  flex-shrink: 0;
  margin-top: 3px;
}

.footer-bottom {
  padding-block: 1.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.85rem;
}

.footer-copyright {
  color: var(--warm-stone);
}

.back-to-top-btn {
  background-color: rgba(247, 244, 237, 0.08);
  border: 1px solid rgba(247, 244, 237, 0.2);
  color: var(--pure-white);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.back-to-top-btn:hover {
  background-color: var(--burnt-terracotta);
  border-color: var(--burnt-terracotta);
}

/* ==========================================================================
   16. Responsive Media Queries
   ========================================================================== */
@media (max-width: 1100px) {
  .process-timeline {
    grid-template-columns: repeat(3, 1fr);
    row-gap: 2.5rem;
  }
  .process-step::after {
    display: none;
  }
  .category-grid,
  .finishing-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 900px) {
  .main-nav,
  .header-cta-btn {
    display: none;
  }
  .mobile-toggle {
    display: block;
  }
  .about-grid,
  .product-details-grid,
  .quote-layout {
    grid-template-columns: 1fr;
  }
  .about-images {
    margin-bottom: 3rem;
  }
  .about-image-primary img {
    height: 400px;
  }
}

@media (max-width: 680px) {
  :root {
    --container-padding: 1rem;
  }
  .hero-stats {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }
  .category-grid,
  .finishing-grid {
    grid-template-columns: 1fr;
  }
  .form-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .top-bar {
    display: none; /* Keep mobile header clean and fast */
  }
  .process-timeline {
    grid-template-columns: 1fr;
  }
  .gallery-grid {
    columns: 1;
  }
}

/* Reduced Motion Preference */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}