/* ============================================
   GROSBILL DESTOCK - Style principal
   Mobile-first | Fond blanc | Accent rouge
   ============================================ */

/* --- VARIABLES --- */
:root {
  --gb-red: #E31E24;
  --gb-red-dark: #C41A1F;
  --gb-red-light: #FF3B42;
  --gb-white: #FFFFFF;
  --gb-black: #1A1A1A;
  --gb-bg-primary: #FFFFFF;
  --gb-bg-secondary: #F5F5F5;
  --gb-bg-alt: #FFF8F8;
  --gb-bg-card: #FFFFFF;
  --gb-bg-footer: #1A1A1A;
  --gb-text-primary: #1A1A1A;
  --gb-text-secondary: #555555;
  --gb-text-muted: #999999;
  --gb-text-on-dark: #FFFFFF;
  --gb-border: #E5E5E5;
  --gb-border-hover: #CCCCCC;
  --gb-green: #16A34A;
  --gb-green-light: #DCFCE7;
  --gb-orange: #F59E0B;
  --gb-shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --gb-shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --gb-shadow-lg: 0 8px 24px rgba(0,0,0,0.1);
  --gb-radius-sm: 4px;
  --gb-radius-md: 8px;
  --gb-radius-lg: 12px;
  --gb-font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --gb-container: 1200px;
  --gb-header-h: 56px;
}

/* --- RESET --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--gb-font);
  color: var(--gb-text-primary);
  background: var(--gb-bg-primary);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
ul, ol { list-style: none; }
input, select, textarea { font-family: inherit; font-size: inherit; }

/* --- UTILITIES --- */
.container { width: 100%; max-width: var(--gb-container); margin: 0 auto; padding: 0 16px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; }
.section-title { font-size: 1.5rem; font-weight: 800; color: var(--gb-text-primary); margin-bottom: 20px; }
.section-title span { color: var(--gb-red); }

/* ============================================
   TOP BAR
   ============================================ */
.gb-topbar {
  background: var(--gb-red);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 600;
  text-align: center;
  padding: 8px 0;
  letter-spacing: 0.02em;
  line-height: 1.4;
  overflow: hidden;
  position: relative;
}
.gb-topbar__track {
  display: inline-flex;
  gap: 32px;
  white-space: nowrap;
  animation: gb-marquee 20s linear infinite;
}
.gb-topbar__track:hover { animation-play-state: paused; }
.gb-topbar__item { white-space: nowrap; }
.gb-topbar__sep { opacity: 0.5; }
@keyframes gb-marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ============================================
   HEADER
   ============================================ */
.gb-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--gb-white);
  border-bottom: 1px solid var(--gb-border);
  box-shadow: var(--gb-shadow-sm);
  transition: transform 0.3s ease;
}
.gb-header.header-hidden { transform: translateY(-100%); }
.gb-header.header-compact .gb-search { display: none; }
.gb-header.header-compact .gb-header__search-icon { display: flex; }
.gb-header__search-icon {
  display: none;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  color: var(--gb-text-primary);
  border-radius: 50%;
  transition: background 0.2s;
  cursor: pointer;
}
.gb-header__search-icon:hover { background: var(--gb-bg-secondary); }
.gb-header__search-icon svg { width: 20px; height: 20px; }
.gb-header__inner {
  display: flex;
  align-items: center;
  height: var(--gb-header-h);
  padding: 0 16px;
  gap: 12px;
}
.gb-header__menu-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  color: var(--gb-text-primary);
}
.gb-header__menu-btn svg { width: 22px; height: 22px; }
.gb-header__logo { flex: 1; display: flex; justify-content: center; }
.gb-header__logo img { height: 36px; width: auto; }
.gb-header__spacer { display: none; }
.gb-header__actions { display: flex; align-items: center; gap: 4px; }
.gb-header__action {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  color: var(--gb-text-primary);
  position: relative;
  border-radius: 50%;
  transition: background 0.2s;
}
.gb-header__action:hover { background: var(--gb-bg-secondary); }
.gb-header__action svg { width: 20px; height: 20px; }
.gb-header__badge {
  position: absolute;
  top: 2px; right: 2px;
  background: var(--gb-red);
  color: #fff;
  font-size: 0.625rem;
  font-weight: 700;
  min-width: 16px;
  height: 16px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 4px;
}

/* Search bar */
.gb-search {
  background: var(--gb-white);
  padding: 8px 16px 12px;
  border-bottom: 1px solid var(--gb-border);
}
.gb-search__input-wrap {
  display: flex;
  align-items: center;
  background: var(--gb-bg-secondary);
  border: 1px solid var(--gb-border);
  border-radius: var(--gb-radius-md);
  overflow: hidden;
  transition: border-color 0.2s;
}
.gb-search__input-wrap:focus-within { border-color: var(--gb-red); }
.gb-search__input {
  flex: 1;
  border: none;
  background: transparent;
  padding: 10px 14px;
  font-size: 0.875rem;
  color: var(--gb-text-primary);
  outline: none;
}
.gb-search__input::placeholder { color: var(--gb-text-muted); }
.gb-search__btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 40px;
  background: var(--gb-red);
  color: #fff;
  flex-shrink: 0;
}
.gb-search__btn svg { width: 18px; height: 18px; }

/* ============================================
   HERO BANNER
   ============================================ */
.gb-hero {
  position: relative;
  background: linear-gradient(135deg, #1A1A1A 0%, #333 100%);
  overflow: hidden;
}
.gb-hero__slide {
  position: relative;
  aspect-ratio: 16/9;
  max-height: 400px;
}
.gb-hero__slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.gb-hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0.2) 60%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 24px;
}
.gb-hero__tag {
  display: inline-flex;
  align-items: center;
  background: var(--gb-red);
  color: #fff;
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 4px 10px;
  border-radius: 3px;
  margin-bottom: 10px;
  width: fit-content;
}
.gb-hero__title {
  color: #fff;
  font-size: 1.5rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 8px;
  max-width: 320px;
}
.gb-hero__subtitle {
  color: rgba(255,255,255,0.8);
  font-size: 0.8125rem;
  margin-bottom: 16px;
  max-width: 280px;
}
.gb-hero__cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--gb-red);
  color: #fff;
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 10px 20px;
  border-radius: var(--gb-radius-sm);
  width: fit-content;
  transition: background 0.2s;
}
.gb-hero__cta:hover { background: var(--gb-red-dark); }
.gb-hero__dots {
  position: absolute;
  bottom: 12px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 6px;
}
.gb-hero__dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.4);
  transition: background 0.3s;
}
.gb-hero__dot.active { background: #fff; width: 20px; border-radius: 4px; }

/* ============================================
   TRUST BADGES ROW
   ============================================ */
.gb-trust-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  padding: 16px;
}
.gb-trust-badge {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px;
  background: var(--gb-bg-secondary);
  border-radius: var(--gb-radius-md);
}
.gb-trust-badge__icon {
  width: 36px;
  height: 36px;
  background: var(--gb-red);
  border-radius: var(--gb-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: #fff;
}
.gb-trust-badge__icon svg { width: 18px; height: 18px; }
.gb-trust-badge__text { font-size: 0.6875rem; line-height: 1.3; }
.gb-trust-badge__title { font-weight: 700; color: var(--gb-text-primary); display: block; }
.gb-trust-badge__sub { color: var(--gb-text-secondary); font-size: 0.625rem; }

/* ============================================
   WHY THESE PRICES (Justification bloc)
   ============================================ */
.gb-why {
  margin: 20px 16px;
  background: var(--gb-bg-alt);
  border: 1px solid #FECACA;
  border-left: 4px solid var(--gb-red);
  border-radius: var(--gb-radius-md);
  padding: 20px;
}
.gb-why__title {
  font-size: 1.0625rem;
  font-weight: 800;
  color: var(--gb-text-primary);
  margin-bottom: 10px;
}
.gb-why__text {
  font-size: 0.8125rem;
  color: var(--gb-text-secondary);
  line-height: 1.6;
  margin-bottom: 14px;
}
.gb-why__points {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.gb-why__point {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
  font-weight: 600;
}
.gb-why__check {
  width: 20px; height: 20px;
  background: var(--gb-green);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.gb-why__check svg { width: 12px; height: 12px; }

/* ============================================
   HOW IT WORKS (3 steps)
   ============================================ */
.gb-how {
  padding: 32px 16px;
  background: var(--gb-bg-secondary);
}
.gb-how__steps {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.gb-how__step {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}
.gb-how__num {
  width: 40px; height: 40px;
  background: var(--gb-red);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.125rem;
  font-weight: 800;
  flex-shrink: 0;
}
.gb-how__step-title { font-weight: 700; font-size: 0.9375rem; margin-bottom: 2px; }
.gb-how__step-desc { font-size: 0.8125rem; color: var(--gb-text-secondary); line-height: 1.5; }

/* ============================================
   CATEGORY TILES
   ============================================ */
.gb-categories { padding: 24px 16px; }
.gb-categories__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}
.gb-category-tile {
  background: var(--gb-bg-card);
  border: 1px solid var(--gb-border);
  border-radius: var(--gb-radius-lg);
  overflow: hidden;
  transition: box-shadow 0.2s, border-color 0.2s;
}
.gb-category-tile:hover { border-color: var(--gb-border-hover); box-shadow: var(--gb-shadow-md); }
.gb-category-tile__img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  background: var(--gb-bg-secondary);
}
.gb-category-tile__body { padding: 12px; }
.gb-category-tile__name { font-weight: 700; font-size: 0.9375rem; margin-bottom: 6px; }
.gb-category-tile__sub {
  font-size: 0.75rem;
  color: var(--gb-text-secondary);
  line-height: 1.6;
}
.gb-category-tile__sub a { display: block; transition: color 0.2s; }
.gb-category-tile__sub a:hover { color: var(--gb-red); }

/* ============================================
   PRODUCT GRID (Home)
   ============================================ */
.gb-products-section { padding: 24px 16px; }
.gb-filter-tabs {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin-bottom: 16px;
  padding-bottom: 4px;
}
.gb-filter-tabs::-webkit-scrollbar { display: none; }
.gb-filter-tab {
  flex-shrink: 0;
  padding: 7px 16px;
  border-radius: var(--gb-radius-full);
  font-size: 0.8125rem;
  font-weight: 600;
  border: 1px solid var(--gb-border);
  background: var(--gb-white);
  color: var(--gb-text-primary);
  transition: all 0.2s;
  white-space: nowrap;
}
.gb-filter-tab.active,
.gb-filter-tab:hover {
  background: var(--gb-red);
  color: #fff;
  border-color: var(--gb-red);
}
.gb-product-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

/* ============================================
   PRODUCT CARD
   ============================================ */
.gb-product-card {
  background: var(--gb-bg-card);
  border: 1px solid var(--gb-border);
  border-radius: var(--gb-radius-lg);
  overflow: hidden;
  transition: box-shadow 0.2s, border-color 0.2s;
  position: relative;
  display: flex;
  flex-direction: column;
}
.gb-product-card:hover { border-color: var(--gb-border-hover); box-shadow: var(--gb-shadow-md); }
.gb-product-card__img-wrap {
  position: relative;
  background: var(--gb-bg-secondary);
  aspect-ratio: 1/1;
  overflow: hidden;
}
.gb-product-card__img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.3s;
}
.gb-product-card:hover .gb-product-card__img { transform: scale(1.03); }
.gb-product-card__badge {
  position: absolute;
  top: 8px; left: 8px;
  background: var(--gb-red);
  color: #fff;
  font-size: 0.6875rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 3px;
}
.gb-product-card__stock-badge {
  position: absolute;
  bottom: 8px; left: 8px;
  font-size: 0.625rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 3px;
  background: var(--gb-green);
  color: #fff;
  text-transform: uppercase;
}
.gb-product-card__body {
  padding: 10px 12px 14px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.gb-product-card__brand {
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--gb-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 4px;
}
.gb-product-card__title {
  font-size: 0.8125rem;
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}
.gb-product-card__prices { margin-bottom: 10px; }
.gb-product-card__price {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--gb-text-primary);
}
.gb-product-card__price-cents { font-size: 0.75rem; vertical-align: super; }
.gb-product-card__old-price {
  font-size: 0.8125rem;
  color: var(--gb-text-muted);
  text-decoration: line-through;
  margin-left: 6px;
}
.gb-product-card__add-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 9px;
  background: var(--gb-black);
  color: #fff;
  border: 2px solid var(--gb-red);
  border-radius: var(--gb-radius-sm);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  transition: all 0.2s;
}
.gb-product-card__add-btn:hover {
  background: var(--gb-red);
  border-color: var(--gb-red);
}

/* ============================================
   FAQ ACCORDION
   ============================================ */
.gb-faq { padding: 32px 16px; }
.gb-faq__list { display: flex; flex-direction: column; gap: 8px; }
.gb-faq__item {
  border: 1px solid var(--gb-border);
  border-radius: var(--gb-radius-md);
  overflow: hidden;
}
.gb-faq__question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 14px 16px;
  font-size: 0.875rem;
  font-weight: 600;
  text-align: left;
  color: var(--gb-text-primary);
  background: var(--gb-bg-card);
  transition: background 0.2s;
}
.gb-faq__question:hover { background: var(--gb-bg-secondary); }
.gb-faq__icon {
  width: 20px; height: 20px;
  flex-shrink: 0;
  transition: transform 0.3s;
  color: var(--gb-text-muted);
}
.gb-faq__item.open .gb-faq__icon { transform: rotate(45deg); }
.gb-faq__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}
.gb-faq__answer-inner {
  padding: 0 16px 16px;
  font-size: 0.8125rem;
  color: var(--gb-text-secondary);
  line-height: 1.7;
}

/* ============================================
   STATS BAR
   ============================================ */
.gb-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--gb-border);
}
.gb-stat {
  background: var(--gb-bg-card);
  padding: 20px 12px;
  text-align: center;
}
.gb-stat__value { font-size: 1.5rem; font-weight: 800; color: var(--gb-text-primary); }
.gb-stat__label { font-size: 0.6875rem; color: var(--gb-text-secondary); margin-top: 2px; }

/* ============================================
   TRUSTPILOT BANNER
   ============================================ */
.gb-trustpilot {
  background: #F0FFF4;
  border-top: 3px solid var(--gb-red);
  border-bottom: 3px solid var(--gb-red);
  padding: 20px 16px;
}
.gb-trustpilot__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  text-align: center;
}
.gb-trustpilot__line1 {
  display: flex;
  align-items: center;
  gap: 10px;
}
.gb-trustpilot__label {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--gb-text-primary);
}
.gb-trustpilot__stars {
  display: inline-flex;
  gap: 3px;
}
.gb-trustpilot__line2 {
  font-size: 0.875rem;
  color: var(--gb-text-secondary);
}
.gb-trustpilot__line2 strong { color: var(--gb-text-primary); }
.gb-trustpilot__logo { white-space: nowrap; }

@media (min-width: 768px) {
  .gb-trustpilot__inner {
    flex-direction: row;
    justify-content: center;
    gap: 8px;
  }
  .gb-trustpilot__line2 { font-size: 0.9375rem; }
}

/* ============================================
   FOOTER
   ============================================ */
.gb-footer {
  background: var(--gb-bg-footer);
  color: var(--gb-text-on-dark);
  padding: 32px 16px 20px;
}
.gb-footer__newsletter { margin-bottom: 28px; }
.gb-footer__newsletter-title { font-size: 1rem; font-weight: 700; margin-bottom: 4px; }
.gb-footer__newsletter-sub { font-size: 0.75rem; color: rgba(255,255,255,0.6); margin-bottom: 12px; }
.gb-footer__newsletter-form { display: flex; gap: 0; }
.gb-footer__newsletter-input {
  flex: 1;
  padding: 10px 14px;
  background: #2A2A2A;
  border: 1px solid #444;
  border-right: none;
  border-radius: var(--gb-radius-sm) 0 0 var(--gb-radius-sm);
  color: #fff;
  font-size: 0.875rem;
  outline: none;
}
.gb-footer__newsletter-input::placeholder { color: #888; }
.gb-footer__newsletter-btn {
  padding: 10px 16px;
  background: var(--gb-red);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  border-radius: 0 var(--gb-radius-sm) var(--gb-radius-sm) 0;
  letter-spacing: 0.04em;
  white-space: nowrap;
}
.gb-footer__socials {
  display: flex;
  gap: 10px;
  margin-bottom: 28px;
}
.gb-footer__social {
  width: 36px; height: 36px;
  background: #333;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  transition: background 0.2s;
}
.gb-footer__social:hover { background: var(--gb-red); }
.gb-footer__social svg { width: 16px; height: 16px; }
.gb-footer__columns {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-bottom: 28px;
}
.gb-footer__col-title {
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.5);
  margin-bottom: 12px;
}
.gb-footer__col a {
  display: block;
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.7);
  padding: 3px 0;
  transition: color 0.2s;
}
.gb-footer__col a:hover { color: #fff; }
.gb-footer__bottom {
  border-top: 1px solid #333;
  padding-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
}
.gb-footer__payments { display: flex; gap: 6px; flex-wrap: wrap; justify-content: center; }
.gb-footer__payment {
  padding: 4px 10px;
  background: #333;
  border-radius: var(--gb-radius-sm);
  font-size: 0.6875rem;
  font-weight: 600;
  color: rgba(255,255,255,0.7);
}
.gb-footer__copy { font-size: 0.6875rem; color: rgba(255,255,255,0.4); text-align: center; }

/* ============================================
   PRODUCT PAGE - Breadcrumb
   ============================================ */
.gb-breadcrumb {
  padding: 12px 16px;
  font-size: 0.75rem;
  color: var(--gb-text-muted);
}
.gb-breadcrumb a { color: var(--gb-text-secondary); }
.gb-breadcrumb a:hover { color: var(--gb-red); }
.gb-breadcrumb__sep { margin: 0 6px; }

/* ============================================
   PRODUCT PAGE - Condition badge
   ============================================ */
.gb-condition-bar {
  margin: 0 16px 12px;
  background: var(--gb-green-light);
  border: 1px solid #BBF7D0;
  border-radius: var(--gb-radius-md);
  padding: 10px 14px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  font-weight: 600;
  color: #166534;
}
.gb-condition-bar svg { width: 16px; height: 16px; flex-shrink: 0; }

/* ============================================
   PRODUCT PAGE - Gallery
   ============================================ */
.gb-gallery { margin: 0 0 16px; }
.gb-gallery__main {
  position: relative;
  background: var(--gb-bg-secondary);
  aspect-ratio: 1/1;
  overflow: hidden;
}
.gb-gallery__main img { width: 100%; height: 100%; object-fit: cover; }
.gb-gallery__badges {
  position: absolute;
  top: 12px; left: 12px;
  display: flex;
  gap: 6px;
  align-items: center;
}
.gb-gallery__discount {
  background: var(--gb-red);
  color: #fff;
  font-size: 0.875rem;
  font-weight: 800;
  padding: 5px 12px;
  border-radius: var(--gb-radius-sm);
}
.gb-gallery__online-badge {
  background: var(--gb-black);
  color: #fff;
  font-size: 0.6875rem;
  font-weight: 700;
  padding: 5px 10px;
  border-radius: var(--gb-radius-sm);
  letter-spacing: 0.03em;
}
.gb-gallery__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 36px; height: 36px;
  background: rgba(255,255,255,0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--gb-shadow-md);
  color: var(--gb-text-primary);
}
.gb-gallery__nav svg { width: 16px; height: 16px; }
.gb-gallery__nav--prev { left: 10px; }
.gb-gallery__nav--next { right: 10px; }
.gb-gallery__thumbs {
  display: flex;
  gap: 8px;
  padding: 10px 16px;
  overflow-x: auto;
}
.gb-gallery__thumb {
  width: 64px; height: 64px;
  flex-shrink: 0;
  border: 2px solid var(--gb-border);
  border-radius: var(--gb-radius-sm);
  overflow: hidden;
  cursor: pointer;
  transition: border-color 0.2s;
}
.gb-gallery__thumb.active { border-color: var(--gb-red); }
.gb-gallery__thumb img { width: 100%; height: 100%; object-fit: cover; }

/* ============================================
   PRODUCT PAGE - Section blocks (lifestyle)
   ============================================ */
.gb-section-block {
  padding: 0;
  background: var(--gb-bg-primary);
  margin-bottom: 0;
}
@media (min-width: 768px) {
  .gb-section-block { margin-bottom: 40px; }
}
.gb-section-block--dark {
  background: var(--gb-black);
  color: var(--gb-text-on-dark);
}
.gb-section-block__img-wrap { width: 100%; }
.gb-section-block__img-wrap img { width: 100%; height: auto; display: block; }
.gb-section-block__text { padding: 24px 16px; }
.gb-section-block__text h3 {
  font-size: 1.25rem;
  font-weight: 800;
  margin-bottom: 8px;
}
.gb-section-block--dark .gb-section-block__text h3 { color: #fff; }
.gb-section-block__text p {
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--gb-text-secondary);
}
.gb-section-block--dark .gb-section-block__text p { color: rgba(255,255,255,0.7); }

/* Color swatch out of stock */
.gb-color-swatch.out-of-stock { opacity: 1; position: relative; }
.gb-color-swatch__cross {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.gb-color-swatch__cross::before {
  content: '';
  position: absolute;
  width: 110%;
  height: 2px;
  background: #EF4444;
  transform: rotate(-45deg);
}
/* Option button out of stock */
.gb-option-btn.out-of-stock {
  opacity: 1;
  position: relative;
  color: var(--gb-text-primary);
  border-color: var(--gb-border);
  background: var(--gb-white);
  cursor: not-allowed;
}
.gb-option-btn.out-of-stock.active {
  color: var(--gb-text-primary);
  border-color: var(--gb-border);
  background: var(--gb-white);
}
.gb-option-btn.out-of-stock .gb-option-btn__current { color: var(--gb-text-muted); }
.gb-option-btn.out-of-stock .gb-option-btn__old { color: #DDD; }
.gb-option-btn.out-of-stock .gb-option-btn__label { color: var(--gb-text-primary); }
.gb-option-btn.out-of-stock::after {
  content: '';
  position: absolute;
  top: 50%; left: 5%; right: 5%;
  height: 2px;
  background: var(--gb-red);
  transform: rotate(-12deg);
  pointer-events: none;
}
/* Option button unavailable (combination doesn't exist) */
.gb-option-btn.unavailable {
  opacity: 1;
  background: #F3F3F3;
  color: #BBB;
  cursor: not-allowed;
  border-color: #E8E8E8;
}

@media (min-width: 768px) {
  .gb-section-block {
    display: flex;
    align-items: center;
  }
  .gb-section-block__img-wrap { width: 55%; flex-shrink: 0; }
  .gb-section-block__text { width: 45%; padding: 40px 32px; }
  .gb-section-block:nth-child(even) { flex-direction: row-reverse; }
}

/* ============================================
   PRODUCT PAGE - Info
   ============================================ */
.gb-product-info { padding: 0 16px 20px; }
.gb-product-info__brand {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--gb-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 4px;
}
.gb-product-info__title {
  font-size: 1.25rem;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 6px;
}
.gb-product-info__refs {
  font-size: 0.6875rem;
  color: var(--gb-text-muted);
  margin-bottom: 16px;
}
.gb-product-info__refs span { margin-right: 12px; }

/* Features grid */
.gb-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  margin-bottom: 20px;
}
.gb-feature {
  background: var(--gb-bg-secondary);
  border-radius: var(--gb-radius-md);
  padding: 10px 12px;
}
.gb-feature__label {
  font-size: 0.625rem;
  font-weight: 600;
  color: var(--gb-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 2px;
}
.gb-feature__value {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--gb-text-primary);
}

/* ============================================
   PRODUCT PAGE - Variants
   ============================================ */
.gb-variants { margin-bottom: 20px; }
.gb-variant-group { margin-bottom: 14px; }
.gb-variant-group__label {
  font-size: 0.8125rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--gb-text-primary);
}
.gb-variant-group__label span { font-weight: 400; color: var(--gb-text-secondary); }

/* Color swatches */
.gb-color-swatches { display: flex; gap: 10px; flex-wrap: wrap; }
.gb-color-swatch {
  width: 42px; height: 42px;
  border-radius: 50%;
  border: 3px solid #CCC;
  cursor: pointer;
  position: relative;
  transition: border-color 0.2s, box-shadow 0.2s;
  padding: 0;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.gb-color-swatch:hover { border-color: #999; }
.gb-color-swatch.active {
  border-color: var(--gb-red);
  box-shadow: 0 0 0 2px var(--gb-red);
}
.gb-color-swatch__inner {
  display: block;
  width: 32px; height: 32px;
  border-radius: 50%;
  box-shadow: inset 0 0 0 1px rgba(0,0,0,0.15);
}

/* Option buttons */
.gb-option-buttons { display: flex; gap: 8px; flex-wrap: wrap; }
.gb-option-btn {
  padding: 10px 20px;
  border: 2px solid var(--gb-border);
  border-radius: var(--gb-radius-md);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--gb-text-primary);
  background: var(--gb-white);
  cursor: pointer;
  transition: all 0.2s;
}
.gb-option-btn:hover { border-color: var(--gb-text-muted); }
.gb-option-btn.active {
  border-color: var(--gb-red);
  color: var(--gb-red);
  background: #FFF5F5;
}
/* Config buttons with price */
.gb-option-btn--config {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 12px 20px;
  min-width: 120px;
}
.gb-option-btn__label { font-weight: 700; font-size: 0.9375rem; }
.gb-option-btn__price { font-size: 0.8125rem; display: flex; align-items: center; gap: 6px; }
.gb-option-btn__current { color: var(--gb-red); font-weight: 700; }
.gb-option-btn.active .gb-option-btn__current { color: var(--gb-red); }
.gb-option-btn__old { color: var(--gb-text-muted); text-decoration: line-through; font-weight: 400; }

/* ============================================
   PRODUCT PAGE - Price & CTA
   ============================================ */
.gb-price-block {
  background: var(--gb-bg-secondary);
  border-radius: var(--gb-radius-lg);
  padding: 16px;
  margin-bottom: 16px;
}
.gb-price-block__row1 {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 8px;
}
.gb-price-block__current {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--gb-red);
  line-height: 1;
}
.gb-price-block__old {
  font-size: 1.0625rem;
  color: var(--gb-text-muted);
  text-decoration: line-through;
}
.gb-price-block__row2 {
  display: flex;
  align-items: center;
  gap: 10px;
}
.gb-price-block__discount {
  background: var(--gb-red);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 3px;
}
.gb-price-block__saving {
  font-size: 0.8125rem;
  color: var(--gb-green);
  font-weight: 600;
}

/* Stock */
.gb-stock {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 10px;
}
.gb-stock__dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--gb-green);
}
.gb-stock__text { font-size: 0.8125rem; font-weight: 600; color: var(--gb-green); }

/* Limit notice */
.gb-limit-notice {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: #FEF3C7;
  border: 1px solid #FDE68A;
  border-radius: var(--gb-radius-md);
  margin-bottom: 14px;
  font-size: 0.6875rem;
  font-weight: 600;
  color: #92400E;
  line-height: 1.3;
}
.gb-limit-notice svg { width: 14px; height: 14px; flex-shrink: 0; }

/* Add to cart */
.gb-add-to-cart {
  width: 100%;
  padding: 14px;
  background: var(--gb-red);
  color: #fff;
  font-size: 0.9375rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border-radius: var(--gb-radius-md);
  transition: background 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.gb-add-to-cart:hover { background: var(--gb-red-dark); }
.gb-add-to-cart svg { width: 20px; height: 20px; }

/* Payment icons under CTA */
.gb-pay-icons { display: flex; align-items: center; justify-content: center; gap: 6px; margin-top: 12px; flex-wrap: wrap; }
.gb-pay-icons svg { opacity: 1; }

/* Shipping info tab */
.gb-shipping-info { display: flex; flex-direction: column; gap: 16px; }
.gb-shipping-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}
.gb-shipping-item svg { flex-shrink: 0; color: var(--gb-red); margin-top: 2px; }
.gb-shipping-item strong { display: block; font-size: 0.875rem; margin-bottom: 2px; }
.gb-shipping-item p { font-size: 0.8125rem; color: var(--gb-text-secondary); margin: 0; }

/* ============================================
   PRODUCT PAGE - Reassurance
   ============================================ */
.gb-reassurance {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin: 16px 16px 24px;
}
.gb-reassurance__item {
  text-align: center;
  padding: 12px 8px;
  background: var(--gb-bg-secondary);
  border-radius: var(--gb-radius-md);
}
.gb-reassurance__icon {
  width: 32px; height: 32px;
  margin: 0 auto 6px;
  color: var(--gb-red);
}
.gb-reassurance__icon svg { width: 100%; height: 100%; }
.gb-reassurance__text { font-size: 0.6875rem; font-weight: 600; line-height: 1.3; }

/* ============================================
   PRODUCT PAGE - Description tabs
   ============================================ */
.gb-tabs { margin: 20px 16px 24px; }
@media (min-width: 768px) {
  .gb-tabs { margin-top: 0; }
}
.gb-tabs__nav {
  display: flex;
  border-bottom: 2px solid var(--gb-border);
  gap: 0;
  overflow-x: auto;
}
.gb-tabs__btn {
  flex-shrink: 0;
  padding: 10px 16px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--gb-text-secondary);
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: all 0.2s;
  white-space: nowrap;
}
.gb-tabs__btn.active { color: var(--gb-red); border-bottom-color: var(--gb-red); }
.gb-tabs__content { padding: 16px 0; }
.gb-tabs__panel { display: none; }
.gb-tabs__panel.active { display: block; }
.gb-tabs__panel p { font-size: 0.875rem; color: var(--gb-text-secondary); line-height: 1.7; margin-bottom: 12px; }
.gb-specs-table { width: 100%; }
.gb-specs-table tr { border-bottom: 1px solid var(--gb-border); }
.gb-specs-table td {
  padding: 10px 0;
  font-size: 0.8125rem;
  vertical-align: top;
}
.gb-specs-table td:first-child {
  font-weight: 600;
  color: var(--gb-text-primary);
  width: 40%;
  padding-right: 12px;
}
.gb-specs-table td:last-child { color: var(--gb-text-secondary); }

/* ============================================
   PRODUCT PAGE - Stores section
   ============================================ */
.gb-stores { padding: 32px 16px; background: var(--gb-bg-secondary); }
.gb-stores__inner { max-width: 900px; margin: 0 auto; }
.gb-stores__img { border-radius: var(--gb-radius-lg); overflow: hidden; margin-bottom: 20px; }
.gb-stores__img img { width: 100%; height: auto; display: block; }
.gb-stores__title { font-size: 1.25rem; font-weight: 800; margin-bottom: 12px; color: var(--gb-text-primary); }
.gb-stores__text { font-size: 0.875rem; color: var(--gb-text-secondary); line-height: 1.6; margin-bottom: 12px; }
.gb-stores__badges { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; }
.gb-stores__badge {
  display: flex; align-items: center; gap: 6px;
  background: var(--gb-white); border: 1px solid var(--gb-border);
  border-radius: var(--gb-radius-md); padding: 8px 14px;
  font-size: 0.8125rem; font-weight: 600; color: var(--gb-text-primary);
}
.gb-stores__badge svg { color: var(--gb-red); flex-shrink: 0; }
@media (min-width: 768px) {
  .gb-stores__inner { display: flex; gap: 32px; align-items: center; }
  .gb-stores__img { flex: 0 0 45%; margin-bottom: 0; }
  .gb-stores__content { flex: 1; }
}

/* ============================================
   PRODUCT PAGE - Similar products
   ============================================ */
.gb-similar { padding: 24px 16px; background: var(--gb-bg-secondary); }
.gb-similar__scroll {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 8px;
}
.gb-similar__scroll::-webkit-scrollbar { display: none; }
.gb-similar .gb-product-card { min-width: 160px; max-width: 180px; flex-shrink: 0; }

/* ============================================
   MOBILE MENU
   ============================================ */
.gb-menu-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 200;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}
.gb-menu-overlay.open { opacity: 1; pointer-events: auto; }
.gb-mobile-menu {
  position: fixed;
  top: 0; left: 0; bottom: 0;
  width: 300px;
  max-width: 85vw;
  background: var(--gb-white);
  z-index: 201;
  transform: translateX(-100%);
  transition: transform 0.3s ease;
  overflow-y: auto;
}
.gb-mobile-menu.open { transform: translateX(0); }
.gb-mobile-menu__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px;
  border-bottom: 1px solid var(--gb-border);
}
.gb-mobile-menu__header img { height: 24px; }
.gb-mobile-menu__close { width: 32px; height: 32px; display: flex; align-items: center; justify-content: center; }
.gb-mobile-menu__close svg { width: 20px; height: 20px; }
.gb-mobile-menu__nav { padding: 12px 0; }
.gb-mobile-menu__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--gb-text-primary);
  transition: background 0.2s;
}
.gb-mobile-menu__link:hover { background: var(--gb-bg-secondary); }
.gb-mobile-menu__divider { height: 1px; background: var(--gb-border); margin: 8px 16px; }

/* ============================================
   CART DRAWER
   ============================================ */
.gb-cart-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 300;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}
.gb-cart-overlay.open { opacity: 1; pointer-events: auto; }
.gb-cart-drawer {
  position: fixed;
  top: 0; right: 0; bottom: 0;
  width: 340px;
  max-width: 90vw;
  background: var(--gb-white);
  z-index: 301;
  transform: translateX(100%);
  transition: transform 0.3s ease;
  display: flex;
  flex-direction: column;
}
.gb-cart-drawer.open { transform: translateX(0); }
.gb-cart-drawer__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px;
  border-bottom: 1px solid var(--gb-border);
}
.gb-cart-drawer__title { font-size: 1rem; font-weight: 700; }
.gb-cart-drawer__close { width: 32px; height: 32px; display: flex; align-items: center; justify-content: center; }
.gb-cart-drawer__close svg { width: 20px; height: 20px; }
.gb-cart-drawer__items { flex: 1; overflow-y: auto; padding: 16px; }
.gb-cart-drawer__empty {
  text-align: center;
  padding: 40px 0;
  color: var(--gb-text-muted);
  font-size: 0.875rem;
}
.gb-cart-item {
  display: flex;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--gb-border);
}
.gb-cart-item__img {
  width: 64px; height: 64px;
  border-radius: var(--gb-radius-sm);
  object-fit: cover;
  background: var(--gb-bg-secondary);
}
.gb-cart-item__info { flex: 1; min-width: 0; }
.gb-cart-item__name { font-size: 0.8125rem; font-weight: 600; margin-bottom: 2px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.gb-cart-item__variant { font-size: 0.6875rem; color: var(--gb-text-muted); margin-bottom: 4px; }
.gb-cart-item__price { font-size: 0.875rem; font-weight: 700; }
.gb-cart-item__remove {
  color: var(--gb-text-muted);
  font-size: 0.6875rem;
  text-decoration: underline;
  margin-top: 4px;
  display: inline-block;
}
.gb-cart-drawer__footer {
  padding: 16px;
  border-top: 1px solid var(--gb-border);
}
.gb-cart-drawer__limit {
  display: flex;
  align-items: center;
  gap: 6px;
  background: #FEF3C7;
  border: 1px solid #FDE68A;
  border-radius: var(--gb-radius-sm);
  padding: 6px 10px;
  font-size: 0.6875rem;
  font-weight: 600;
  color: #92400E;
  margin-bottom: 10px;
}
.gb-cart-drawer__limit svg { flex-shrink: 0; }
.gb-cart-drawer__total {
  display: flex;
  justify-content: space-between;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 12px;
}
.gb-cart-drawer__checkout {
  width: 100%;
  padding: 14px;
  background: var(--gb-red);
  color: #fff;
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  border-radius: var(--gb-radius-md);
  text-align: center;
  transition: background 0.2s;
}
.gb-cart-drawer__checkout:hover { background: var(--gb-red-dark); }

/* ============================================
   NOTIFICATION TOAST
   ============================================ */
.gb-toast {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--gb-black);
  color: #fff;
  padding: 12px 20px;
  border-radius: var(--gb-radius-md);
  font-size: 0.8125rem;
  font-weight: 600;
  z-index: 400;
  opacity: 0;
  transition: all 0.3s ease;
  box-shadow: var(--gb-shadow-lg);
  white-space: nowrap;
}
.gb-toast.show { transform: translateX(-50%) translateY(0); opacity: 1; }

/* ============================================
   DESKTOP OVERRIDES (>= 768px)
   ============================================ */
@media (min-width: 768px) {
  .gb-topbar__items { gap: 16px; }
  .gb-header__inner { max-width: var(--gb-container); margin: 0 auto; height: 64px; }
  .gb-header__logo img { height: 38px; }
  .gb-search { max-width: var(--gb-container); margin: 0 auto; }
  .gb-hero__title { font-size: 2rem; max-width: 440px; }
  .gb-hero__subtitle { font-size: 0.9375rem; max-width: 380px; }
  .gb-hero__overlay { padding: 40px; }
  .gb-trust-row { grid-template-columns: repeat(4, 1fr); max-width: var(--gb-container); margin: 0 auto; padding: 20px 16px; }
  .gb-categories__grid { grid-template-columns: repeat(3, 1fr); gap: 16px; }
  .gb-product-grid { grid-template-columns: repeat(3, 1fr); gap: 16px; }
  .gb-stats { grid-template-columns: repeat(4, 1fr); }
  .gb-footer__columns { grid-template-columns: repeat(4, 1fr); }
  .gb-how__steps { flex-direction: row; gap: 24px; }
  .gb-how__step { flex: 1; flex-direction: column; text-align: center; align-items: center; }
  .gb-reassurance { grid-template-columns: repeat(4, 1fr); }
  .gb-faq__list { max-width: 700px; }
}

@media (min-width: 1024px) {
  .container { padding: 0 24px; }
  .gb-header__logo img { height: 40px; }
  .gb-categories__grid { grid-template-columns: repeat(4, 1fr); }
  .gb-product-grid { grid-template-columns: repeat(4, 1fr); }
  .gb-hero__slide { max-height: 480px; }
  .gb-hero__title { font-size: 2.5rem; max-width: 520px; }

  /* Product page desktop layout */
  .gb-product-desktop {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    max-width: var(--gb-container);
    margin: 0 auto;
    padding: 0 24px;
  }
  .gb-product-desktop .gb-gallery { position: sticky; top: 80px; align-self: start; }
  .gb-product-desktop .gb-gallery__main { border-radius: var(--gb-radius-lg); }
}