/*
 * PF Nutrition - Dark Premium Theme
 * PrestaShop 8.x Compatible
 * Palette: #0D0D0D (bg) | #F5F5F5 (text) | #C9A84C (gold accent)
 */

/* ============================================================
   1. RESET & BASE
   ============================================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --color-bg:          #0D0D0D;
  --color-bg-card:     #161616;
  --color-bg-card-alt: #1C1C1C;
  --color-border:      #2A2A2A;
  --color-text:        #F5F5F5;
  --color-text-muted:  #9A9A9A;
  --color-gold:        #C9A84C;
  --color-gold-light:  #E2C06A;
  --color-gold-dark:   #A07830;
  --color-white:       #FFFFFF;

  --font-display: 'Bebas Neue', 'Oswald', 'Impact', sans-serif;
  --font-body:    'Inter', 'Helvetica Neue', Arial, sans-serif;

  --radius-sm:  4px;
  --radius-md:  8px;
  --radius-lg:  12px;

  --transition: 0.25s ease;
  --shadow-card: 0 4px 24px rgba(0,0,0,0.6);
  --shadow-gold: 0 0 20px rgba(201,168,76,0.25);
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--color-gold);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover { color: var(--color-gold-light); }

img {
  max-width: 100%;
  height: auto;
  display: block;
}

ul, ol { list-style: none; }

/* ============================================================
   2. TYPOGRAPHY
   ============================================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: 0.02em;
  color: var(--color-text);
}

h1 { font-size: clamp(2.5rem, 6vw, 5rem); }
h2 { font-size: clamp(1.8rem, 4vw, 3rem); }
h3 { font-size: clamp(1.3rem, 2.5vw, 1.8rem); }
h4 { font-size: 1.2rem; }

p { margin-bottom: 1rem; }

.text-gold { color: var(--color-gold); }
.text-muted { color: var(--color-text-muted); }
.text-upper { text-transform: uppercase; letter-spacing: 0.1em; font-size: 0.75rem; font-weight: 600; }

/* ============================================================
   3. LAYOUT
   ============================================================ */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 5rem 0;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

.section-subtitle {
  color: var(--color-text-muted);
  font-size: 1rem;
  margin-bottom: 3rem;
}

.section-header {
  margin-bottom: 3rem;
}

.section-header .gold-line {
  display: block;
  width: 48px;
  height: 3px;
  background: var(--color-gold);
  margin: 0.75rem 0 1rem;
}

/* ============================================================
   4. HEADER & NAVIGATION
   ============================================================ */
#header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(13,13,13,0.97);
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 2rem;
}

/* Logo */
.header-logo a {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  text-decoration: none;
}

.logo-pf {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--color-gold);
  letter-spacing: -0.02em;
  line-height: 1;
}

.logo-nutrition {
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-text);
}

/* Main nav */
.header-nav {
  flex: 1;
  display: flex;
  justify-content: center;
}

.header-nav ul {
  display: flex;
  gap: 2.5rem;
  align-items: center;
}

.header-nav a {
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text);
  padding: 0.25rem 0;
  border-bottom: 2px solid transparent;
  transition: color var(--transition), border-color var(--transition);
}

.header-nav a:hover,
.header-nav a.active {
  color: var(--color-gold);
  border-bottom-color: var(--color-gold);
}

/* Header actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.header-search-btn,
.header-cart-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: color var(--transition);
  padding: 0.5rem;
}

.header-search-btn:hover,
.header-cart-btn:hover {
  color: var(--color-gold);
}

.cart-count {
  background: var(--color-gold);
  color: var(--color-bg);
  font-size: 0.65rem;
  font-weight: 700;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Mobile hamburger */
.header-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.header-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  transition: transform var(--transition), opacity var(--transition);
}

/* ============================================================
   5. HERO SECTION
   ============================================================ */
.hero {
  position: relative;
  min-height: 78vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--color-bg);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('../img/hero-background.png');
  background-size: cover;
  background-position: center right;
  background-repeat: no-repeat;
  opacity: 0.85;
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to right,
    rgba(13,13,13,0.92) 0%,
    rgba(13,13,13,0.75) 45%,
    rgba(13,13,13,0.15) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 600px;
  padding: 4rem 0;
}

.hero-eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.hero-eyebrow::before {
  content: '';
  display: block;
  width: 32px;
  height: 2px;
  background: var(--color-gold);
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: 700;
  text-transform: uppercase;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--color-white);
  margin-bottom: 1.5rem;
}

.hero-title span {
  color: var(--color-gold);
}

.hero-subtitle {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: 2.5rem;
  max-width: 420px;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  align-items: center;
}

.hero-badges {
  display: flex;
  gap: 2rem;
  margin-top: 3rem;
  flex-wrap: wrap;
}

.hero-badge {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.hero-badge svg {
  color: var(--color-gold);
  flex-shrink: 0;
}

.hero-badge-text strong {
  display: block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text);
}

.hero-badge-text span {
  font-size: 0.72rem;
  color: var(--color-text-muted);
}

/* ============================================================
   6. BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-gold);
  color: var(--color-bg);
}

.btn-primary:hover {
  background: var(--color-gold-light);
  color: var(--color-bg);
  box-shadow: var(--shadow-gold);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.btn-outline:hover {
  border-color: var(--color-gold);
  color: var(--color-gold);
}

.btn-sm {
  padding: 0.6rem 1.25rem;
  font-size: 0.72rem;
}

.btn-full { width: 100%; justify-content: center; }

/* ============================================================
   7. PRODUCT CARDS
   ============================================================ */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.product-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
  position: relative;
}

.product-card:hover {
  border-color: var(--color-gold);
  box-shadow: var(--shadow-gold);
  transform: translateY(-4px);
}

.product-card-img {
  position: relative;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: var(--color-bg-card-alt);
}

.product-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.product-card:hover .product-card-img img {
  transform: scale(1.05);
}

.product-card-badge {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  background: var(--color-gold);
  color: var(--color-bg);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.25rem 0.6rem;
}

.product-card-body {
  padding: 1.25rem;
}

.product-card-category {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 0.4rem;
}

.product-card-name {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--color-text);
  margin-bottom: 0.5rem;
  line-height: 1.2;
}

.product-card-desc {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  line-height: 1.5;
  margin-bottom: 0.75rem;
}

.product-card-stars {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  margin-bottom: 0.75rem;
}

.stars {
  display: flex;
  gap: 2px;
  color: var(--color-gold);
}

.stars svg { width: 14px; height: 14px; }

.review-count {
  font-size: 0.72rem;
  color: var(--color-text-muted);
}

.product-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--color-border);
}

.product-price {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-gold);
  letter-spacing: 0.02em;
}

.product-price-old {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  text-decoration: line-through;
  margin-left: 0.25rem;
}

/* ============================================================
   8. TRUST BAR
   ============================================================ */
.trust-bar {
  background: var(--color-bg-card);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: 2rem 0;
}

.trust-bar-inner {
  display: flex;
  justify-content: center;
  gap: 3rem;
  flex-wrap: wrap;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-align: left;
}

.trust-item svg {
  color: var(--color-gold);
  flex-shrink: 0;
  width: 28px;
  height: 28px;
}

.trust-item-text strong {
  display: block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text);
}

.trust-item-text span {
  font-size: 0.72rem;
  color: var(--color-text-muted);
}

/* ============================================================
   9. SOCIAL PROOF / TESTIMONIAL BAR
   ============================================================ */
.social-proof {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  padding: 2rem 2.5rem;
  display: flex;
  align-items: center;
  gap: 3rem;
  flex-wrap: wrap;
}

.social-proof-badge {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.social-proof-badge svg {
  color: var(--color-gold);
  width: 40px;
  height: 40px;
}

.social-proof-badge-text strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--color-gold);
  text-transform: uppercase;
}

.social-proof-badge-text span {
  font-size: 0.72rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.social-proof-quote {
  flex: 1;
  min-width: 200px;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  font-style: italic;
  line-height: 1.6;
}

.social-proof-quote cite {
  display: block;
  margin-top: 0.4rem;
  font-style: normal;
  font-size: 0.75rem;
  color: var(--color-gold);
  font-weight: 600;
}

.social-proof-stats {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
}

.stat-item {
  text-align: center;
}

.stat-item svg {
  color: var(--color-gold);
  width: 22px;
  height: 22px;
  margin: 0 auto 0.25rem;
}

.stat-item strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--color-text);
}

.stat-item span {
  font-size: 0.65rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ============================================================
   10. CATEGORIES SECTION
   ============================================================ */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.category-card {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  cursor: pointer;
  transition: border-color var(--transition);
}

.category-card:hover {
  border-color: var(--color-gold);
}

.category-card-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: transform 0.5s ease;
  opacity: 0.5;
}

.category-card:hover .category-card-bg {
  transform: scale(1.06);
}

.category-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(13,13,13,0.9) 0%, rgba(13,13,13,0.2) 100%);
}

.category-card-content {
  position: absolute;
  bottom: 1.5rem;
  left: 1.5rem;
  right: 1.5rem;
}

.category-card-name {
  font-family: var(--font-display);
  font-size: 1.4rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-white);
  margin-bottom: 0.25rem;
}

.category-card-count {
  font-size: 0.72rem;
  color: var(--color-gold);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

/* ============================================================
   11. FOOTER
   ============================================================ */
#footer {
  background: #080808;
  border-top: 1px solid var(--color-border);
  padding: 4rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-top: 1rem;
  max-width: 280px;
}

.footer-col h4 {
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text);
  margin-bottom: 1.25rem;
}

.footer-col ul li {
  margin-bottom: 0.6rem;
}

.footer-col ul li a {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  transition: color var(--transition);
}

.footer-col ul li a:hover {
  color: var(--color-gold);
}

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding-top: 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-bottom p {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  margin: 0;
}

.footer-social {
  display: flex;
  gap: 1rem;
}

.footer-social a {
  width: 36px;
  height: 36px;
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  transition: all var(--transition);
}

.footer-social a:hover {
  border-color: var(--color-gold);
  color: var(--color-gold);
}

/* ============================================================
   12. BREADCRUMB
   ============================================================ */
.breadcrumb {
  padding: 1rem 0;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 2rem;
}

.breadcrumb ol {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  flex-wrap: wrap;
}

.breadcrumb li {
  font-size: 0.78rem;
  color: var(--color-text-muted);
}

.breadcrumb li + li::before {
  content: '/';
  margin-right: 0.5rem;
  color: var(--color-border);
}

.breadcrumb li a {
  color: var(--color-text-muted);
}

.breadcrumb li a:hover { color: var(--color-gold); }
.breadcrumb li:last-child { color: var(--color-text); }

/* ============================================================
   13. NOTIFICATIONS / ALERTS
   ============================================================ */
.alert {
  padding: 1rem 1.25rem;
  border-left: 3px solid var(--color-gold);
  background: rgba(201,168,76,0.08);
  font-size: 0.88rem;
  margin-bottom: 1rem;
}

.alert-danger {
  border-left-color: #e74c3c;
  background: rgba(231,76,60,0.08);
}

.alert-success {
  border-left-color: #2ecc71;
  background: rgba(46,204,113,0.08);
}

/* ============================================================
   14. FORMS
   ============================================================ */
.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 0.4rem;
}

.form-control {
  width: 100%;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  padding: 0.75rem 1rem;
  font-family: var(--font-body);
  font-size: 0.9rem;
  transition: border-color var(--transition);
  outline: none;
}

.form-control:focus {
  border-color: var(--color-gold);
}

.form-control::placeholder {
  color: var(--color-text-muted);
}

/* ============================================================
   15. PAGINATION
   ============================================================ */
.pagination {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
  margin-top: 3rem;
}

.pagination a,
.pagination span {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  font-size: 0.85rem;
  color: var(--color-text-muted);
  transition: all var(--transition);
}

.pagination a:hover,
.pagination .current {
  border-color: var(--color-gold);
  color: var(--color-gold);
}

/* ============================================================
   16. PRODUCT PAGE
   ============================================================ */
.product-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.product-detail-gallery {
  position: sticky;
  top: 90px;
}

.product-detail-main-img {
  aspect-ratio: 1/1;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  overflow: hidden;
  margin-bottom: 1rem;
}

.product-detail-main-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-detail-thumbs {
  display: flex;
  gap: 0.75rem;
}

.product-detail-thumb {
  width: 72px;
  height: 72px;
  border: 1px solid var(--color-border);
  overflow: hidden;
  cursor: pointer;
  transition: border-color var(--transition);
}

.product-detail-thumb:hover,
.product-detail-thumb.active {
  border-color: var(--color-gold);
}

.product-detail-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-detail-info .product-category {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 0.5rem;
}

.product-detail-info h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 1rem;
}

.product-detail-price {
  font-family: var(--font-display);
  font-size: 2.5rem;
  color: var(--color-gold);
  margin-bottom: 1.5rem;
}

.product-detail-desc {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--color-border);
}

.product-qty {
  display: flex;
  align-items: center;
  gap: 0;
  margin-bottom: 1.5rem;
  width: fit-content;
  border: 1px solid var(--color-border);
}

.product-qty button {
  width: 44px;
  height: 44px;
  background: var(--color-bg-card);
  border: none;
  color: var(--color-text);
  font-size: 1.2rem;
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
}

.product-qty button:hover {
  background: var(--color-gold);
  color: var(--color-bg);
}

.product-qty input {
  width: 60px;
  height: 44px;
  background: var(--color-bg);
  border: none;
  border-left: 1px solid var(--color-border);
  border-right: 1px solid var(--color-border);
  color: var(--color-text);
  text-align: center;
  font-size: 1rem;
  font-family: var(--font-body);
}

/* ============================================================
   17. CART
   ============================================================ */
.cart-table {
  width: 100%;
  border-collapse: collapse;
}

.cart-table th {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--color-border);
  text-align: left;
}

.cart-table td {
  padding: 1.25rem 1rem;
  border-bottom: 1px solid var(--color-border);
  vertical-align: middle;
}

.cart-product-img {
  width: 72px;
  height: 72px;
  object-fit: cover;
  border: 1px solid var(--color-border);
}

.cart-summary {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  padding: 2rem;
}

.cart-summary h3 {
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--color-border);
}

.cart-summary-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.88rem;
  margin-bottom: 0.75rem;
  color: var(--color-text-muted);
}

.cart-summary-total {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--color-gold);
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
  margin-top: 0.5rem;
}

/* ============================================================
   18. MOBILE MENU OVERLAY
   ============================================================ */
.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(13,13,13,0.98);
  flex-direction: column;
  padding: 2rem 1.5rem;
}

.mobile-menu.open {
  display: flex;
}

.mobile-menu-close {
  align-self: flex-end;
  background: none;
  border: none;
  color: var(--color-text);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.5rem;
  margin-bottom: 2rem;
}

.mobile-menu nav ul {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.mobile-menu nav ul li a {
  display: block;
  font-family: var(--font-display);
  font-size: 2rem;
  text-transform: uppercase;
  color: var(--color-text);
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--color-border);
  transition: color var(--transition);
}

.mobile-menu nav ul li a:hover {
  color: var(--color-gold);
}

/* ============================================================
   19. RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }

  .categories-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .product-detail {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .product-detail-gallery {
    position: static;
  }
}

@media (max-width: 768px) {
  .header-nav { display: none; }
  .header-hamburger { display: flex; }

  .hero {
    min-height: auto;
    padding: 4rem 0;
  }

  .hero-bg {
    background-position: center;
    opacity: 0.4;
  }

  .hero-badges {
    gap: 1.25rem;
  }

  .products-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }

  .categories-grid {
    grid-template-columns: 1fr;
  }

  .trust-bar-inner {
    gap: 1.5rem;
  }

  .social-proof {
    flex-direction: column;
    gap: 1.5rem;
    padding: 1.5rem;
  }

  .social-proof-stats {
    width: 100%;
    justify-content: space-around;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .products-grid {
    grid-template-columns: 1fr;
  }

  .hero-cta {
    flex-direction: column;
    align-items: flex-start;
  }

  .btn { width: 100%; justify-content: center; }

  .cart-table thead { display: none; }
  .cart-table td {
    display: block;
    padding: 0.5rem 0;
  }
}

/* ============================================================
   20. UTILITY
   ============================================================ */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

.visually-hidden { @extend .sr-only; }

.d-none { display: none !important; }
.d-flex { display: flex !important; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }

.text-center { text-align: center; }
.text-right  { text-align: right; }

/* ============================================================
   21. ANIMATIONS
   ============================================================ */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.animate-fade-in-up {
  animation: fadeInUp 0.6s ease both;
}

.animate-delay-1 { animation-delay: 0.1s; }
.animate-delay-2 { animation-delay: 0.2s; }
.animate-delay-3 { animation-delay: 0.35s; }
.animate-delay-4 { animation-delay: 0.5s; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}