/* ==========================================================
   ILS SHOP — Design System
   Hérite du site vitrine ils-link.com
   Navy #0A1628 · Gold #C9A55C · Playfair Display · Inter
   ========================================================== */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,500;0,600;0,700;1,400;1,500&family=Inter:wght@300;400;500;600;700&display=swap');

/* ----------------------------------------
   CSS RESET & CUSTOM PROPERTIES
   ---------------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* Brand Colors — identiques au site vitrine */
  --navy:          #0A1628;
  --navy-light:    #111d33;
  --navy-mid:      #0F2040;
  --navy-deep:     #060E1C;
  --gold:          #C9A55C;
  --gold-light:    #d4b876;
  --gold-dark:     #b08f47;
  --bg:            #F8F7F4;
  --bg-card:       #F0EFE9;
  --charcoal:      #1a1a2e;
  --text-primary:  #1a1a2e;
  --text-secondary:#5a5a6e;
  --text-muted:    #8a8a9a;
  --white:         #ffffff;
  --border:        rgba(201, 165, 92, 0.15);
  --border-strong: rgba(201, 165, 92, 0.35);

  /* Typographie */
  --font-serif: 'Playfair Display', Georgia, serif;
  --font-sans:  'Inter', system-ui, -apple-system, sans-serif;

  /* Transitions */
  --ease-premium: cubic-bezier(0.32, 0.72, 0, 1);
  --ease-bounce:  cubic-bezier(0.34, 1.56, 0.64, 1);
  --transition:   0.3s var(--ease-premium);

  /* Spacing */
  --radius:    12px;
  --radius-lg: 20px;
  --shadow:    0 4px 24px rgba(0,0,0,0.12);
  --shadow-lg: 0 12px 48px rgba(0,0,0,0.2);

  /* Navbar */
  --nav-h: 72px;
}

html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }

body {
  font-family: var(--font-sans);
  font-size: 16px;
  color: var(--text-primary);
  background: var(--bg);
  line-height: 1.6;
}

img { display: block; max-width: 100%; }
a  { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; font-family: var(--font-sans); border: none; background: none; }

/* ----------------------------------------
   TYPOGRAPHY
   ---------------------------------------- */
h1, h2, h3, h4 { font-family: var(--font-serif); line-height: 1.2; }

.label-overline {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
}

/* ----------------------------------------
   BUTTONS
   ---------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.04em;
  border-radius: 6px;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-gold {
  background: var(--gold);
  color: var(--navy);
  border: 2px solid var(--gold);
}
.btn-gold:hover {
  background: var(--gold-light);
  border-color: var(--gold-light);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(201, 165, 92, 0.3);
}

.btn-outline {
  background: transparent;
  color: var(--gold);
  border: 2px solid var(--border-strong);
}
.btn-outline:hover {
  border-color: var(--gold);
  background: rgba(201, 165, 92, 0.06);
  transform: translateY(-1px);
}

.btn-navy {
  background: var(--navy);
  color: var(--white);
  border: 2px solid var(--navy);
}
.btn-navy:hover {
  background: var(--navy-light);
  transform: translateY(-1px);
}

.btn-sm {
  padding: 9px 18px;
  font-size: 13px;
}

/* ----------------------------------------
   NAVBAR
   ---------------------------------------- */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  padding: 0 48px;
  background: transparent;
  transition: background 0.4s ease, box-shadow 0.4s ease;
}

#navbar.scrolled {
  background: rgba(6, 14, 28, 0.96);
  backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 var(--border);
}

.nav-inner {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 32px;
}

/* Logo */
.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  flex-shrink: 0;
}
.nav-logo-mark {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: 0.05em;
}
.nav-logo-sub {
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.55);
  line-height: 1.3;
}
.nav-logo-sep { width: 1px; height: 32px; background: var(--border-strong); }

/* Shop crumb */
.nav-shop-crumb {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gold);
  padding: 4px 10px;
  border: 1px solid var(--border-strong);
  border-radius: 4px;
}

/* Nav links */
.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  margin: 0 auto;
}
.nav-links a {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: rgba(255,255,255,0.75);
  transition: color var(--transition);
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -3px; left: 0; right: 0;
  height: 1px;
  background: var(--gold);
  transform: scaleX(0);
  transition: transform var(--transition);
}
.nav-links a:hover { color: var(--white); }
.nav-links a:hover::after { transform: scaleX(1); }

/* Nav right */
.nav-right {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-shrink: 0;
}

.lang-btn {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.5);
  background: none;
  border: none;
  cursor: pointer;
  transition: color var(--transition);
  padding: 0;
}
.lang-btn.active { color: var(--gold); }
.lang-btn:hover { color: var(--white); }
.lang-sep { color: rgba(255,255,255,0.25); font-size: 12px; }

/* Quote badge button */
.quote-btn {
  position: relative;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--navy);
  background: var(--gold);
  border-radius: 6px;
  transition: var(--transition);
}
.quote-btn:hover {
  background: var(--gold-light);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(201,165,92,0.35);
}
.quote-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  font-size: 11px;
  font-weight: 700;
  background: var(--navy);
  color: var(--gold);
  border-radius: 9px;
  transition: transform 0.2s var(--ease-bounce);
}
.quote-count.bump { transform: scale(1.4); }
.quote-count[data-count="0"] { display: none; }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  cursor: pointer;
  background: none;
  border: none;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile menu */
#mobileMenu {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 999;
  background: var(--navy-deep);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 32px;
}
#mobileMenu.open { display: flex; }
#mobileMenu a {
  font-size: 24px;
  font-family: var(--font-serif);
  color: var(--white);
  transition: color var(--transition);
}
#mobileMenu a:hover { color: var(--gold); }
.mobile-close {
  position: absolute;
  top: 24px; right: 24px;
  font-size: 28px;
  color: rgba(255,255,255,0.7);
  background: none;
  border: none;
  cursor: pointer;
  line-height: 1;
  display: none;
}
#mobileMenu.open .mobile-close {
  display: block;
}

/* ----------------------------------------
   SHOP HERO
   ---------------------------------------- */
.shop-hero {
  background: var(--navy);
  background-image:
    radial-gradient(ellipse 80% 60% at 50% -10%, rgba(201,165,92,0.08) 0%, transparent 70%),
    radial-gradient(ellipse 40% 40% at 80% 50%, rgba(201,165,92,0.04) 0%, transparent 70%);
  padding: calc(var(--nav-h) + 64px) 48px 64px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.shop-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23C9A55C' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.4;
}

.shop-hero-inner {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.shop-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  border: 1px solid var(--border-strong);
  border-radius: 20px;
  margin-bottom: 24px;
}
.shop-hero-badge::before {
  content: '';
  width: 6px; height: 6px;
  background: var(--gold);
  border-radius: 50%;
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.5; transform: scale(0.7); }
}

.shop-hero h1 {
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 600;
  color: var(--white);
  margin-bottom: 16px;
}
.shop-hero h1 em {
  font-style: italic;
  color: var(--gold);
}

.shop-hero p {
  font-size: 17px;
  color: rgba(255,255,255,0.65);
  max-width: 520px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

/* Search bar */
.search-bar {
  display: flex;
  max-width: 560px;
  margin: 0 auto;
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  overflow: hidden;
  background: rgba(255,255,255,0.05);
  backdrop-filter: blur(8px);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.search-bar:focus-within {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(201,165,92,0.12);
}

.search-icon {
  display: flex;
  align-items: center;
  padding: 0 16px;
  color: var(--gold);
  opacity: 0.7;
  flex-shrink: 0;
}

#searchInput {
  flex: 1;
  padding: 16px 0;
  font-size: 15px;
  color: var(--white);
  background: none;
  border: none;
  outline: none;
  font-family: var(--font-sans);
}
#searchInput::placeholder { color: rgba(255,255,255,0.35); }

.search-clear {
  display: none;
  align-items: center;
  padding: 0 16px;
  color: rgba(255,255,255,0.4);
  font-size: 20px;
  background: none;
  border: none;
  cursor: pointer;
  transition: color var(--transition);
}
.search-clear:hover { color: var(--white); }
.search-clear.visible { display: flex; }

/* ----------------------------------------
   STATS BAR (index.html only)
   ---------------------------------------- */
.stats-bar {
  background: var(--white);
  border-bottom: 1px solid rgba(0,0,0,.07);
  padding: 0 48px;
}
.stats-bar-inner {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  padding: 24px 0;
}
.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  flex: 1;
  text-align: center;
  padding: 0 24px;
}
.stat-num {
  font-family: var(--font-serif);
  font-size: 32px;
  font-weight: 700;
  color: var(--navy);
  line-height: 1;
  letter-spacing: -.01em;
}
.stat-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: .04em;
  text-transform: uppercase;
}
.stat-sep {
  width: 1px;
  height: 40px;
  background: rgba(0,0,0,.08);
  flex-shrink: 0;
}

@media (max-width: 768px) {
  .stats-bar { padding: 0 20px; }
  .stats-bar-inner { flex-wrap: wrap; gap: 0; padding: 16px 0; }
  .stat-item { flex: 0 0 50%; padding: 12px 16px; }
  .stat-sep { display: none; }
  .stat-num { font-size: 26px; }
}

/* ----------------------------------------
   BRAND STRIP (index.html only)
   ---------------------------------------- */
.brand-strip {
  background: var(--bg);
  border-bottom: 1px solid rgba(0,0,0,.06);
  padding: 28px 48px;
}
.brand-strip-inner {
  max-width: 1400px;
  margin: 0 auto;
}
.brand-strip-label {
  display: block;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 16px;
}
.brand-strip-cards {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.brand-quick-btn {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 3px;
  padding: 14px 20px;
  background: var(--white);
  border: 1.5px solid rgba(0,0,0,.07);
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--transition);
  text-align: left;
  min-width: 140px;
  font-family: var(--font-sans);
}
.brand-quick-btn:hover,
.brand-quick-btn.active {
  border-color: var(--gold);
  background: var(--white);
  box-shadow: 0 4px 16px rgba(201,165,92,.15);
  transform: translateY(-1px);
}
.brand-quick-btn.active { background: rgba(201,165,92,.06); }
.bqb-name {
  font-size: 14px;
  font-weight: 700;
  color: var(--navy);
  font-family: var(--font-serif);
}
.bqb-sub {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 500;
}
.brand-quick-btn--srl .bqb-name { color: var(--gold); }
.brand-quick-btn--srl {
  border-color: rgba(201,165,92,.2);
  background: rgba(201,165,92,.03);
}

@media (max-width: 900px) {
  .brand-strip { padding: 20px 32px; }
  .brand-strip-cards { gap: 8px; }
  .brand-quick-btn { min-width: 120px; padding: 12px 16px; }
}
@media (max-width: 600px) {
  .brand-strip { padding: 16px 20px; }
  .brand-quick-btn { min-width: calc(50% - 4px); flex: 0 0 calc(50% - 4px); }
}

/* ----------------------------------------
   CATEGORY SHOWCASE (index.html only)
   ---------------------------------------- */
.cat-showcase {
  background: var(--bg);
  border-bottom: 1px solid rgba(0,0,0,.06);
  padding: 40px 48px;
}
.cat-showcase-inner {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.cat-showcase-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--navy);
  border: 1px solid var(--border-strong);
  padding: 40px 44px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  text-decoration: none;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
  min-height: 240px;
}
.cat-showcase-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 20px 48px rgba(0,0,0,.25);
  border-color: rgba(201,165,92,.4);
}
.cat-showcase-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.cat-showcase-bg--lab {
  background: radial-gradient(ellipse 80% 70% at 100% 0%, rgba(201,165,92,.12) 0%, transparent 60%),
              radial-gradient(ellipse 50% 50% at 0% 100%, rgba(201,165,92,.06) 0%, transparent 70%);
}
.cat-showcase-bg--chem {
  background: radial-gradient(ellipse 80% 70% at 0% 0%, rgba(201,165,92,.12) 0%, transparent 60%),
              radial-gradient(ellipse 50% 50% at 100% 100%, rgba(201,165,92,.06) 0%, transparent 70%);
}
.cat-showcase-body {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
}
.cat-showcase-overline {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--gold);
}
.cat-showcase-title {
  font-family: var(--font-serif);
  font-size: clamp(22px, 2.5vw, 30px);
  font-weight: 700;
  color: var(--white);
  line-height: 1.2;
}
.cat-showcase-desc {
  font-size: 14px;
  color: rgba(255,255,255,.55);
  line-height: 1.65;
  max-width: 380px;
}
.cat-showcase-brands {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 4px;
}
.cat-showcase-brands span {
  font-size: 11px;
  font-weight: 600;
  color: rgba(255,255,255,.45);
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 4px;
  padding: 3px 8px;
  letter-spacing: .04em;
}
.cat-showcase-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 8px;
  font-size: 14px;
  font-weight: 700;
  color: var(--gold);
  transition: gap .2s ease;
}
.cat-showcase-card:hover .cat-showcase-cta { gap: 12px; }
.cat-showcase-icon {
  position: relative;
  z-index: 1;
  flex-shrink: 0;
  color: var(--gold);
  align-self: center;
}

@media (max-width: 900px) {
  .cat-showcase { padding: 28px 32px; }
  .cat-showcase-inner { grid-template-columns: 1fr; gap: 16px; }
  .cat-showcase-card { min-height: auto; padding: 28px 32px; }
  .cat-showcase-icon { display: none; }
}
@media (max-width: 768px) {
  .cat-showcase { padding: 20px; }
  .cat-showcase-card { padding: 24px 20px; }
}

/* ----------------------------------------
   FILTER BAR
   ---------------------------------------- */
/* Sticky wrapper — groups filter-bar + alpha bar so both stick together */
.sticky-filters {
  position: sticky;
  top: var(--nav-h);
  z-index: 100;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}

.filter-bar {
  background: var(--white);
  border-bottom: 1px solid rgba(0,0,0,0.08);
  padding: 0 48px;
}

.filter-inner {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 0;
  overflow-x: auto;
  scrollbar-width: none;
}
.filter-inner::-webkit-scrollbar { display: none; }

.filter-group {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 14px 0;
  flex-shrink: 0;
}

.filter-group + .filter-group {
  margin-left: 16px;
  padding-left: 16px;
  border-left: 1px solid rgba(0,0,0,0.08);
}

.filter-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-right: 4px;
  white-space: nowrap;
}

.filter-chip {
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  background: none;
  border: 1.5px solid transparent;
  border-radius: 20px;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}
.filter-chip:hover {
  color: var(--charcoal);
  border-color: rgba(0,0,0,0.15);
}
.filter-chip.active {
  color: var(--navy);
  background: rgba(201,165,92,0.1);
  border-color: var(--gold);
  font-weight: 600;
}

/* Result count */
.filter-count {
  margin-left: auto;
  font-size: 13px;
  color: var(--text-muted);
  white-space: nowrap;
  flex-shrink: 0;
  padding: 14px 0 14px 24px;
}
.filter-count strong { color: var(--text-primary); font-weight: 600; }

/* ----------------------------------------
   ALPHA FILTER BAR
   ---------------------------------------- */
#alphaBar {
  background: var(--white);
  border-top: 1px solid rgba(0,0,0,0.05);
  border-bottom: 1px solid var(--border);
  padding: 6px 48px;
  display: flex;
  align-items: center;
  gap: 2px;
  flex-wrap: nowrap;
  overflow-x: auto;
  scrollbar-width: none;
}
#alphaBar::-webkit-scrollbar { display: none; }
.alpha-btn {
  min-width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  background: none;
  border: 1px solid transparent;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s ease;
  padding: 0 5px;
}
.alpha-btn:hover {
  color: var(--navy);
  border-color: rgba(201,165,92,0.3);
  background: rgba(201,165,92,0.06);
}
.alpha-btn.active {
  color: var(--navy);
  background: var(--gold);
  border-color: var(--gold);
}
@media (max-width: 768px) {
  #alphaBar { padding: 8px 20px; gap: 2px; }
  .alpha-btn { min-width: 24px; height: 24px; font-size: 10px; }
}

/* ----------------------------------------
   MAIN LAYOUT
   ---------------------------------------- */
.shop-main {
  max-width: 1400px;
  margin: 0 auto;
  padding: 48px 48px 80px;
}

/* Category section heading */
.category-section { margin-bottom: 64px; }

.category-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
  padding-bottom: 0;
}

.category-header .label-overline {
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--gold);
  font-weight: 800;
}

.category-title-group { display: flex; flex-direction: column; gap: 4px; }

/* Brand subsection within a category */
.brand-subsection {
  margin-bottom: 48px;
}
.brand-subsection:last-child { margin-bottom: 0; }

.brand-subsection-header {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 24px;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(201,165,92,.18);
}

.category-title {
  font-size: 26px;
  font-weight: 600;
  color: var(--navy);
  font-family: var(--font-serif);
}

.brand-subsection-count {
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 500;
}

.category-count {
  font-size: 13px;
  color: var(--text-muted);
}

/* ----------------------------------------
   PRODUCT GRID
   ---------------------------------------- */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

/* ----------------------------------------
   PRODUCT CARD
   ---------------------------------------- */
.product-card {
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid rgba(0,0,0,0.07);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  position: relative;
}
.product-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(10,22,40,0.12);
  border-color: rgba(201,165,92,0.4);
}

/* Product image / placeholder */
.product-img {
  aspect-ratio: 4/3;
  background: var(--navy);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 8px;
}

.product-img::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 30%, rgba(201,165,92,0.08) 0%, transparent 70%);
  pointer-events: none; /* never intercept clicks meant for the image */
}

/* Clickable image link wrapper */
.product-img-link {
  display: block;
  text-decoration: none;
  color: inherit;
  flex-shrink: 0;
}
.product-img-link:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

.product-img-brand {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: 0.05em;
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 0 16px;
}

.product-img-icon {
  position: relative;
  z-index: 1;
  opacity: 0.25;
}

.product-img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 24px;
}

/* Brand badge on card */
.product-brand-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 4px 10px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: rgba(6,14,28,0.7);
  color: var(--gold);
  border-radius: 4px;
  backdrop-filter: blur(6px);
  border: 1px solid var(--border-strong);
  z-index: 2;
}

/* PDF badge */
.product-pdf-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(6,14,28,0.7);
  border-radius: 6px;
  backdrop-filter: blur(6px);
  border: 1px solid var(--border);
  color: rgba(255,255,255,0.6);
  font-size: 11px;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  z-index: 2;
  text-decoration: none;
}
.product-pdf-badge:hover {
  background: var(--gold);
  color: var(--navy);
  border-color: var(--gold);
}

/* Card body */
.product-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: 12px;
}

.product-ref {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
}

.product-name {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 600;
  color: var(--navy);
  line-height: 1.3;
}

.product-specs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.spec-tag {
  padding: 4px 10px;
  font-size: 11px;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--bg);
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: 4px;
  white-space: nowrap;
}

.product-desc {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.5;
  margin-top: auto;
}

/* Card actions */
.product-actions {
  padding: 16px 20px;
  border-top: 1px solid rgba(0,0,0,0.06);
  display: flex;
  gap: 8px;
  align-items: center;
}

.add-to-quote-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 11px 16px;
  font-size: 13px;
  font-weight: 600;
  color: var(--navy);
  background: var(--gold);
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: var(--transition);
  letter-spacing: 0.02em;
}
.add-to-quote-btn:hover {
  background: var(--gold-light);
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(201,165,92,0.3);
}
.add-to-quote-btn.added {
  background: #2d6a4f;
  color: var(--white);
}
.add-to-quote-btn.added:hover {
  background: #245a42;
  box-shadow: 0 6px 18px rgba(45,106,79,0.3);
}

.detail-link-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  border: 1.5px solid rgba(0,0,0,0.1);
  border-radius: 6px;
  color: var(--text-secondary);
  text-decoration: none;
  transition: var(--transition);
  font-size: 16px;
}
.detail-link-btn:hover {
  border-color: var(--gold);
  color: var(--gold);
}

/* ----------------------------------------
   EMPTY STATE
   ---------------------------------------- */
.empty-state {
  text-align: center;
  padding: 80px 32px;
  display: none;
}
.empty-state.visible { display: block; }
.empty-state-icon { font-size: 48px; margin-bottom: 16px; opacity: 0.4; }
.empty-state h3 {
  font-family: var(--font-serif);
  font-size: 22px;
  color: var(--navy);
  margin-bottom: 8px;
}
.empty-state p { color: var(--text-muted); font-size: 15px; }

/* ----------------------------------------
   QUOTE TOAST
   ---------------------------------------- */
.quote-toast {
  position: fixed;
  bottom: 32px;
  right: 32px;
  z-index: 9999;
  background: var(--navy);
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: 0 12px 40px rgba(0,0,0,0.3);
  transform: translateY(80px);
  opacity: 0;
  transition: transform 0.4s var(--ease-bounce), opacity 0.3s ease;
  max-width: 320px;
}
.quote-toast.show {
  transform: translateY(0);
  opacity: 1;
}
.toast-icon {
  width: 36px; height: 36px;
  background: rgba(201,165,92,0.15);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--gold);
  font-size: 16px;
}
.toast-text { flex: 1; }
.toast-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 2px;
}
.toast-sub {
  font-size: 12px;
  color: rgba(255,255,255,0.5);
}
.toast-link {
  font-size: 12px;
  font-weight: 600;
  color: var(--gold);
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--transition);
}
.toast-link:hover { color: var(--gold-light); }

/* ----------------------------------------
   FOOTER
   ---------------------------------------- */
footer {
  background: var(--navy-deep);
  border-top: 1px solid var(--border);
  padding: 64px 48px 32px;
}

.footer-inner {
  max-width: 1400px;
  margin: 0 auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand-name {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 700;
  color: var(--gold);
  margin-bottom: 4px;
}
.footer-brand-sub {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.3);
  margin-bottom: 16px;
}
.footer-tagline {
  font-size: 13px;
  color: rgba(255,255,255,0.45);
  line-height: 1.7;
  max-width: 260px;
}

.footer-col-title {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.35);
  margin-bottom: 16px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col ul li a {
  font-size: 13px;
  color: rgba(255,255,255,0.55);
  transition: color var(--transition);
}
.footer-col ul li a:hover { color: var(--gold); }

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-copy {
  font-size: 12px;
  color: rgba(255,255,255,0.3);
}
.footer-legal {
  display: flex;
  gap: 20px;
}
.footer-legal a {
  font-size: 12px;
  color: rgba(255,255,255,0.3);
  transition: color var(--transition);
}
.footer-legal a:hover { color: var(--gold); }

/* ----------------------------------------
   FADE ANIMATIONS
   ---------------------------------------- */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: none;
}
.fade-up:nth-child(2) { transition-delay: 0.08s; }
.fade-up:nth-child(3) { transition-delay: 0.16s; }
.fade-up:nth-child(4) { transition-delay: 0.24s; }
.fade-up:nth-child(5) { transition-delay: 0.32s; }
.fade-up:nth-child(6) { transition-delay: 0.40s; }

/* ----------------------------------------
   RESPONSIVE
   ---------------------------------------- */
@media (max-width: 1024px) {
  .nav-links { gap: 20px; }
  #navbar { padding: 0 32px; }
  .shop-hero { padding: calc(var(--nav-h) + 48px) 32px 48px; }
  .filter-bar { padding: 0 32px; }
  .shop-main { padding: 40px 32px 64px; }
  footer { padding: 48px 32px 24px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .nav-right .lang-btn, .nav-right .lang-sep { display: none; }
  #navbar { padding: 0 20px; }

  .shop-hero { padding: calc(var(--nav-h) + 32px) 20px 40px; }
  .shop-hero h1 { font-size: 32px; }

  .filter-bar { padding: 0 20px; }
  .filter-group + .filter-group { margin-left: 8px; padding-left: 8px; }

  .shop-main { padding: 28px 20px 56px; }
  .product-grid { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 16px; }

  footer { padding: 40px 20px 20px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
  .product-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .quote-toast { left: 16px; right: 16px; bottom: 16px; max-width: none; }
  .category-header { flex-direction: column; align-items: flex-start; gap: 8px; }
}