/* ============================================================
   ATHLETIX - Premium Sports eShop
   A modern, conversion-focused athletic eCommerce design system
   ============================================================ */

/* ── 1. Custom Properties ────────────────────────────────── */
:root {
  --primary: #FF3D00;
  --primary-hover: #E63600;
  --primary-light: rgba(255, 61, 0, 0.08);
  --primary-glow: rgba(255, 61, 0, 0.25);

  --dark: #0A0A0A;
  --dark-2: #141414;
  --dark-3: #1E1E1E;
  --dark-4: #2A2A2A;

  --gray-900: #1A1A1A;
  --gray-800: #333333;
  --gray-700: #4A4A4A;
  --gray-600: #6B6B6B;
  --gray-500: #8A8A8A;
  --gray-400: #A3A3A3;
  --gray-300: #C4C4C4;
  --gray-200: #E0E0E0;
  --gray-100: #F0F0F0;
  --gray-50: #F8F8F8;

  --white: #FFFFFF;
  --bg: #FFFFFF;
  --bg-alt: #FAFAFA;
  --bg-warm: #F5F3F0;

  --success: #10B981;
  --warning: #F59E0B;
  --error: #EF4444;
  --info: #3B82F6;

  --font-display: 'Bebas Neue', sans-serif;
  --font-heading: 'Montserrat', sans-serif;
  --font-body: 'DM Sans', sans-serif;

  --shadow-xs: 0 1px 2px rgba(0,0,0,0.04);
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.10);
  --shadow-xl: 0 16px 48px rgba(0,0,0,0.12);
  --shadow-card: 0 2px 12px rgba(0,0,0,0.06);
  --shadow-card-hover: 0 8px 30px rgba(0,0,0,0.12);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --transition-fast: 0.2s var(--ease-out);
  --transition-base: 0.3s var(--ease-out);
  --transition-slow: 0.5s var(--ease-out);

  --container-max: 1320px;
  --header-height: 72px;
  --section-gap: 100px;
}

/* ── 2. Reset & Base ─────────────────────────────────────── */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-body);
  color: var(--gray-800);
  background: var(--bg);
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

ul, ol { list-style: none; }
button { cursor: pointer; font-family: inherit; }
input, select, textarea { font-family: inherit; font-size: inherit; }

::selection {
  background: var(--primary);
  color: var(--white);
}

/* ── 3. Typography ───────────────────────────────────────── */
.display-xl {
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 7rem);
  line-height: 0.95;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.display-lg {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 5rem);
  line-height: 0.95;
  letter-spacing: 2px;
  text-transform: uppercase;
}

h1, .h1 {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

h2, .h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

h3, .h3 {
  font-family: var(--font-heading);
  font-size: clamp(1.15rem, 2vw, 1.5rem);
  font-weight: 700;
  line-height: 1.3;
}

h4, .h4 {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 600;
  line-height: 1.4;
}

.text-sm { font-size: 0.875rem; }
.text-xs { font-size: 0.75rem; }
.text-lg { font-size: 1.125rem; }
.text-muted { color: var(--gray-500); }
.text-uppercase { text-transform: uppercase; letter-spacing: 0.08em; }
.text-center { text-align: center; }
.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }

.section-label {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--primary);
  margin-bottom: 12px;
  display: inline-block;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
  font-weight: 800;
  color: var(--dark);
  line-height: 1.15;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--gray-600);
  max-width: 560px;
  line-height: 1.7;
}

/* ── 4. Layout ───────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

.container-sm { max-width: 900px; margin: 0 auto; padding: 0 24px; }
.container-xs { max-width: 640px; margin: 0 auto; padding: 0 24px; }

.section {
  padding: 80px 0;
}

.section-lg {
  padding: 100px 0;
}

.grid {
  display: grid;
  gap: 24px;
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.gap-8 { gap: 8px; }
.gap-12 { gap: 12px; }
.gap-16 { gap: 16px; }
.gap-24 { gap: 24px; }
.gap-32 { gap: 32px; }

/* ── 5. Header & Navigation ──────────────────────────────── */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0,0,0,0.06);
  transition: all var(--transition-base);
}

.header.scrolled {
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

.logo {
  font-family: var(--font-display);
  font-size: 1.75rem;
  letter-spacing: 3px;
  color: var(--dark);
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo .logo-accent {
  color: var(--primary);
}

.nav-main {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-main a {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--gray-700);
  position: relative;
  padding: 4px 0;
}

.nav-main a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width var(--transition-base);
}

.nav-main a:hover,
.nav-main a.active {
  color: var(--dark);
}

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

.nav-icons {
  display: flex;
  align-items: center;
  gap: 20px;
}

.nav-icon {
  position: relative;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  background: transparent;
  border: none;
  color: var(--gray-700);
  font-size: 1.15rem;
  transition: all var(--transition-fast);
}

.nav-icon:hover {
  background: var(--gray-100);
  color: var(--dark);
}

.nav-icon .badge-count {
  position: absolute;
  top: 2px;
  right: 2px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--white);
  font-size: 0.65rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.mobile-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--dark);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

.mobile-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.mobile-toggle.active span:nth-child(2) {
  opacity: 0;
}

.mobile-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

.mobile-nav {
  display: none;
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--white);
  z-index: 999;
  padding: 32px 24px;
  overflow-y: auto;
}

.mobile-nav.open {
  display: block;
  animation: fadeSlideDown 0.3s var(--ease-out);
}

.mobile-nav a {
  display: block;
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  padding: 16px 0;
  border-bottom: 1px solid var(--gray-100);
  color: var(--dark);
}

/* Search overlay */
.search-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding-top: 120px;
}

.search-overlay.open {
  display: flex;
  animation: fadeIn 0.2s var(--ease-out);
}

.search-box {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 24px;
  width: 90%;
  max-width: 640px;
  box-shadow: var(--shadow-xl);
}

.search-box input {
  width: 100%;
  border: none;
  outline: none;
  font-size: 1.25rem;
  padding: 12px 0;
  border-bottom: 2px solid var(--gray-200);
  transition: border-color var(--transition-fast);
}

.search-box input:focus {
  border-color: var(--primary);
}

/* ── 6. Hero Section ─────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  background: var(--dark);
  overflow: hidden;
  margin-top: var(--header-height);
}

.hero-slider {
  position: absolute;
  inset: 0;
}

.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1s ease;
}

.hero-slide.active {
  opacity: 1;
}

.hero-slide-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transform: scale(1.05);
  transition: transform 8s ease;
}

.hero-slide.active .hero-slide-bg {
  transform: scale(1);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0.3) 50%, rgba(0,0,0,0.1) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.12);
  backdrop-filter: blur(8px);
  padding: 8px 20px;
  border-radius: var(--radius-full);
  color: var(--white);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 24px;
  border: 1px solid rgba(255,255,255,0.15);
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 9vw, 8rem);
  color: var(--white);
  line-height: 0.92;
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 24px;
  max-width: 700px;
}

.hero-title .accent {
  color: var(--primary);
}

.hero-desc {
  font-size: clamp(1rem, 1.5vw, 1.2rem);
  color: rgba(255,255,255,0.75);
  max-width: 480px;
  line-height: 1.7;
  margin-bottom: 40px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-indicators {
  position: absolute;
  bottom: 48px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 12px;
  z-index: 5;
}

.hero-dot {
  width: 40px;
  height: 3px;
  border-radius: 2px;
  background: rgba(255,255,255,0.3);
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
}

.hero-dot.active {
  background: var(--primary);
  width: 60px;
}

/* ── 7. Buttons ──────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
}

.btn-primary:hover {
  background: var(--primary-hover);
  border-color: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px var(--primary-glow);
}

.btn-dark {
  background: var(--dark);
  color: var(--white);
  border-color: var(--dark);
}

.btn-dark:hover {
  background: var(--dark-3);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

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

.btn-outline:hover {
  background: var(--dark);
  color: var(--white);
  transform: translateY(-2px);
}

.btn-outline-white {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.5);
}

.btn-outline-white:hover {
  background: var(--white);
  color: var(--dark);
  border-color: var(--white);
  transform: translateY(-2px);
}

.btn-ghost {
  background: transparent;
  color: var(--gray-700);
  border: none;
  padding: 8px 16px;
}

.btn-ghost:hover {
  color: var(--dark);
  background: var(--gray-50);
}

.btn-lg {
  padding: 18px 40px;
  font-size: 0.9rem;
}

.btn-sm {
  padding: 10px 20px;
  font-size: 0.78rem;
}

.btn-icon {
  width: 44px;
  height: 44px;
  padding: 0;
  border-radius: var(--radius-full);
}

.btn-icon-sm {
  width: 36px;
  height: 36px;
  padding: 0;
  font-size: 0.85rem;
  border-radius: var(--radius-full);
}

.btn-full { width: 100%; }

/* ── 8. Product Card ─────────────────────────────────────── */
.product-card {
  position: relative;
  background: var(--white);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition-base);
  border: 1px solid var(--gray-100);
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card-hover);
  border-color: transparent;
}

.product-card-img {
  position: relative;
  aspect-ratio: 1;
  overflow: hidden;
  background: var(--gray-50);
}

.product-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease-out);
}

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

.product-card-badges {
  position: absolute;
  top: 12px;
  left: 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  z-index: 2;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 5px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-sale {
  background: var(--primary);
  color: var(--white);
}

.badge-new {
  background: var(--dark);
  color: var(--white);
}

.badge-best {
  background: var(--warning);
  color: var(--dark);
}

.badge-sold-out {
  background: var(--gray-300);
  color: var(--gray-700);
}

.product-card-actions {
  position: absolute;
  top: 12px;
  right: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  opacity: 0;
  transform: translateX(10px);
  transition: all var(--transition-base);
  z-index: 2;
}

.product-card:hover .product-card-actions {
  opacity: 1;
  transform: translateX(0);
}

.product-card-action {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-full);
  background: var(--white);
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 0.9rem;
  color: var(--gray-700);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.product-card-action:hover {
  background: var(--primary);
  color: var(--white);
  transform: scale(1.1);
}

.product-card-action.wishlisted {
  background: var(--primary);
  color: var(--white);
}

.product-card-quick-add {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--dark);
  color: var(--white);
  text-align: center;
  padding: 12px;
  font-family: var(--font-heading);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border: none;
  cursor: pointer;
  transform: translateY(100%);
  transition: transform var(--transition-base);
}

.product-card:hover .product-card-quick-add {
  transform: translateY(0);
}

.product-card-quick-add:hover {
  background: var(--primary);
}

.product-card-body {
  padding: 16px;
}

.product-card-category {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gray-400);
  margin-bottom: 6px;
}

.product-card-title {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 4px;
  line-height: 1.3;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-card-title a:hover {
  color: var(--primary);
}

.product-card-rating {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-bottom: 8px;
}

.stars {
  display: flex;
  gap: 2px;
  color: var(--warning);
  font-size: 0.75rem;
}

.rating-count {
  font-size: 0.72rem;
  color: var(--gray-400);
}

.product-card-price {
  display: flex;
  align-items: center;
  gap: 8px;
}

.price-current {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--dark);
}

.price-old {
  font-size: 0.85rem;
  color: var(--gray-400);
  text-decoration: line-through;
}

.price-discount {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--primary);
  background: var(--primary-light);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
}

/* ── 9. Category Cards ───────────────────────────────────── */
.category-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 3/4;
  cursor: pointer;
  group: true;
}

.category-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease-out);
}

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

.category-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0) 60%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 28px;
  transition: background var(--transition-base);
}

.category-card:hover .category-card-overlay {
  background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, rgba(0,0,0,0.1) 70%);
}

.category-card-name {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 4px;
}

.category-card-count {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.65);
}

.category-card-arrow {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  opacity: 0;
  transform: translateY(8px);
  transition: all var(--transition-base);
}

.category-card:hover .category-card-arrow {
  opacity: 1;
  transform: translateY(0);
}

/* ── 10. Promo / Banner ──────────────────────────────────── */
.promo-banner {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-height: 400px;
  display: flex;
  align-items: center;
  background: var(--dark);
}

.promo-banner img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.promo-banner-content {
  position: relative;
  z-index: 2;
  padding: 48px;
  max-width: 500px;
}

.promo-banner-content .section-label {
  color: var(--primary);
}

.promo-timer {
  display: flex;
  gap: 12px;
  margin: 24px 0;
}

.timer-block {
  text-align: center;
}

.timer-value {
  display: block;
  font-family: var(--font-display);
  font-size: 2.2rem;
  color: var(--white);
  line-height: 1;
}

.timer-label {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.5);
  margin-top: 4px;
}

/* ── 11. Brand Showcase ──────────────────────────────────── */
.brands-track {
  display: flex;
  align-items: center;
  gap: 60px;
  overflow: hidden;
}

.brand-logo {
  flex-shrink: 0;
  height: 36px;
  opacity: 0.3;
  filter: grayscale(100%);
  transition: all var(--transition-base);
}

.brand-logo:hover {
  opacity: 0.7;
  filter: grayscale(0);
}

/* ── 12. Testimonials ────────────────────────────────────── */
.testimonial-card {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all var(--transition-base);
}

.testimonial-card:hover {
  box-shadow: var(--shadow-md);
  border-color: transparent;
}

.testimonial-stars {
  display: flex;
  gap: 3px;
  color: var(--warning);
  margin-bottom: 16px;
}

.testimonial-text {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--gray-700);
  margin-bottom: 24px;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.testimonial-avatar {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  object-fit: cover;
}

.testimonial-name {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--dark);
}

.testimonial-role {
  font-size: 0.78rem;
  color: var(--gray-500);
}

/* ── 13. Trust Section ───────────────────────────────────── */
.trust-item {
  text-align: center;
  padding: 32px 20px;
}

.trust-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin: 0 auto 16px;
}

.trust-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--dark);
  margin-bottom: 6px;
}

.trust-desc {
  font-size: 0.85rem;
  color: var(--gray-500);
  line-height: 1.6;
}

/* ── 14. Newsletter ──────────────────────────────────────── */
.newsletter {
  background: var(--dark);
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}

.newsletter::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--primary-glow) 0%, transparent 70%);
  pointer-events: none;
}

.newsletter-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.5rem);
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 12px;
}

.newsletter-desc {
  color: rgba(255,255,255,0.6);
  margin-bottom: 32px;
  font-size: 1rem;
}

.newsletter-form {
  display: flex;
  gap: 12px;
  max-width: 500px;
}

.newsletter-form input {
  flex: 1;
  padding: 16px 20px;
  border: 2px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.06);
  color: var(--white);
  font-size: 0.95rem;
  outline: none;
  transition: border-color var(--transition-fast);
}

.newsletter-form input::placeholder {
  color: rgba(255,255,255,0.35);
}

.newsletter-form input:focus {
  border-color: var(--primary);
}

/* ── 15. Footer ──────────────────────────────────────────── */
.footer {
  background: var(--dark);
  color: rgba(255,255,255,0.6);
  padding-top: 80px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 48px;
  padding-bottom: 60px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-brand .logo {
  color: var(--white);
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 24px;
  max-width: 300px;
}

.footer-social {
  display: flex;
  gap: 12px;
}

.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(255,255,255,0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.6);
  transition: all var(--transition-fast);
}

.footer-social a:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--white);
}

.footer-col h4 {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--white);
  margin-bottom: 20px;
}

.footer-col a {
  display: block;
  font-size: 0.88rem;
  padding: 6px 0;
  color: rgba(255,255,255,0.5);
  transition: all var(--transition-fast);
}

.footer-col a:hover {
  color: var(--white);
  transform: translateX(4px);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28px 0;
  font-size: 0.82rem;
}

.footer-payments {
  display: flex;
  gap: 12px;
  align-items: center;
}

.footer-payments i {
  font-size: 1.8rem;
  opacity: 0.4;
}

/* ── 16. Forms ───────────────────────────────────────────── */
.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 8px;
}

.form-input {
  width: 100%;
  padding: 14px 16px;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  color: var(--dark);
  background: var(--white);
  outline: none;
  transition: all var(--transition-fast);
}

.form-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}

.form-input::placeholder {
  color: var(--gray-400);
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236B6B6B' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

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

.form-check {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
}

.form-check input[type="checkbox"],
.form-check input[type="radio"] {
  width: 18px;
  height: 18px;
  accent-color: var(--primary);
  cursor: pointer;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* ── 17. Breadcrumb ──────────────────────────────────────── */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 20px 0;
  font-size: 0.82rem;
  color: var(--gray-500);
}

.breadcrumb a:hover {
  color: var(--primary);
}

.breadcrumb .separator {
  color: var(--gray-300);
}

.breadcrumb .current {
  color: var(--dark);
  font-weight: 600;
}

/* ── 18. Page Header ─────────────────────────────────────── */
.page-header {
  background: var(--gray-50);
  padding: 48px 0;
  margin-top: var(--header-height);
  text-align: center;
}

.page-header h1 {
  margin-bottom: 8px;
}

.page-header p {
  color: var(--gray-500);
  max-width: 500px;
  margin: 0 auto;
}

/* ── 19. Shop / Filter ───────────────────────────────────── */
.shop-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 40px;
  align-items: start;
}

.shop-sidebar {
  position: sticky;
  top: calc(var(--header-height) + 24px);
}

.filter-section {
  margin-bottom: 32px;
}

.filter-title {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 16px;
  color: var(--dark);
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
}

.filter-list label {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  font-size: 0.9rem;
  cursor: pointer;
  color: var(--gray-700);
  transition: color var(--transition-fast);
}

.filter-list label:hover {
  color: var(--dark);
}

.filter-list .count {
  margin-left: auto;
  font-size: 0.78rem;
  color: var(--gray-400);
}

.price-range {
  padding: 8px 0;
}

.range-slider {
  width: 100%;
  height: 4px;
  -webkit-appearance: none;
  appearance: none;
  background: var(--gray-200);
  border-radius: 2px;
  outline: none;
}

.range-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--primary);
  cursor: pointer;
  box-shadow: 0 2px 6px var(--primary-glow);
}

.price-inputs {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 12px;
}

.price-inputs input {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  text-align: center;
  font-size: 0.85rem;
}

.color-options {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.color-swatch {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-full);
  border: 2px solid var(--gray-200);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.color-swatch:hover,
.color-swatch.active {
  border-color: var(--dark);
  transform: scale(1.15);
}

.size-options {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.size-btn {
  min-width: 40px;
  height: 36px;
  padding: 0 12px;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  background: var(--white);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--gray-700);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.size-btn:hover,
.size-btn.active {
  border-color: var(--dark);
  background: var(--dark);
  color: var(--white);
}

.shop-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--gray-100);
}

.shop-toolbar .results-count {
  font-size: 0.88rem;
  color: var(--gray-500);
}

.shop-toolbar .sort-select {
  padding: 8px 36px 8px 14px;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  color: var(--gray-700);
  background: var(--white);
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236B6B6B' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  cursor: pointer;
  outline: none;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.view-toggle {
  display: flex;
  gap: 4px;
}

.view-toggle button {
  width: 36px;
  height: 36px;
  border: 1px solid var(--gray-200);
  background: var(--white);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--gray-500);
  transition: all var(--transition-fast);
}

.view-toggle button.active {
  background: var(--dark);
  border-color: var(--dark);
  color: var(--white);
}

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin-top: 48px;
}

.pagination button,
.pagination a {
  min-width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  background: var(--white);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--gray-700);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.pagination button:hover,
.pagination a:hover {
  border-color: var(--dark);
  color: var(--dark);
}

.pagination .active {
  background: var(--dark);
  border-color: var(--dark);
  color: var(--white);
}

/* ── 20. Product Detail ──────────────────────────────────── */
.product-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.product-gallery {
  position: sticky;
  top: calc(var(--header-height) + 24px);
}

.gallery-main {
  aspect-ratio: 1;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--gray-50);
  margin-bottom: 12px;
}

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

.gallery-thumbs {
  display: flex;
  gap: 10px;
}

.gallery-thumb {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 2px solid transparent;
  cursor: pointer;
  transition: border-color var(--transition-fast);
  background: var(--gray-50);
}

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

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

.product-info {
  padding-top: 8px;
}

.product-info .product-category {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--gray-500);
  margin-bottom: 8px;
}

.product-info .product-title {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  color: var(--dark);
  line-height: 1.2;
  margin-bottom: 12px;
}

.product-info .product-rating {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
}

.product-info .product-rating .stars {
  font-size: 0.85rem;
}

.product-info .product-rating span {
  font-size: 0.85rem;
  color: var(--gray-500);
}

.product-info .product-price-main {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--gray-100);
}

.product-info .price-big {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  color: var(--dark);
}

.product-info .price-big.sale {
  color: var(--primary);
}

.product-info .price-was {
  font-size: 1.1rem;
  color: var(--gray-400);
  text-decoration: line-through;
}

.product-info .price-save {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--success);
  background: rgba(16, 185, 129, 0.1);
  padding: 4px 12px;
  border-radius: var(--radius-full);
}

.product-option-group {
  margin-bottom: 24px;
}

.product-option-label {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 12px;
}

.product-option-label span {
  font-weight: 400;
  color: var(--gray-500);
}

.product-colors {
  display: flex;
  gap: 10px;
}

.product-color {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  border: 2px solid var(--gray-200);
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
}

.product-color.active {
  border-color: var(--dark);
  box-shadow: 0 0 0 3px var(--white), 0 0 0 5px var(--dark);
}

.product-sizes {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.product-size {
  min-width: 48px;
  height: 44px;
  padding: 0 14px;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-sm);
  background: var(--white);
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  color: var(--gray-700);
}

.product-size:hover {
  border-color: var(--gray-400);
}

.product-size.active {
  background: var(--dark);
  border-color: var(--dark);
  color: var(--white);
}

.product-size.disabled {
  opacity: 0.4;
  cursor: not-allowed;
  text-decoration: line-through;
}

.quantity-selector {
  display: inline-flex;
  align-items: center;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.quantity-selector button {
  width: 44px;
  height: 44px;
  border: none;
  background: var(--white);
  font-size: 1.1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-700);
  transition: all var(--transition-fast);
}

.quantity-selector button:hover {
  background: var(--gray-50);
  color: var(--dark);
}

.quantity-selector input {
  width: 56px;
  height: 44px;
  border: none;
  border-left: 1px solid var(--gray-200);
  border-right: 1px solid var(--gray-200);
  text-align: center;
  font-weight: 700;
  font-size: 0.95rem;
  outline: none;
}

.product-actions {
  display: flex;
  gap: 12px;
  margin-top: 28px;
}

.product-actions .btn-primary {
  flex: 1;
}

.product-meta {
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--gray-100);
}

.product-meta-item {
  display: flex;
  gap: 8px;
  font-size: 0.88rem;
  color: var(--gray-600);
  margin-bottom: 8px;
}

.product-meta-item i {
  color: var(--success);
  width: 18px;
}

.product-tabs {
  margin-top: 60px;
}

.tabs-nav {
  display: flex;
  border-bottom: 2px solid var(--gray-100);
  gap: 0;
}

.tab-btn {
  padding: 16px 28px;
  font-family: var(--font-heading);
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--gray-500);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.tab-btn:hover {
  color: var(--dark);
}

.tab-btn.active {
  color: var(--dark);
  border-bottom-color: var(--primary);
}

.tab-content {
  padding: 32px 0;
}

.tab-pane {
  display: none;
}

.tab-pane.active {
  display: block;
  animation: fadeIn 0.3s var(--ease-out);
}

.specs-table {
  width: 100%;
}

.specs-table tr {
  border-bottom: 1px solid var(--gray-100);
}

.specs-table td {
  padding: 12px 0;
  font-size: 0.92rem;
}

.specs-table td:first-child {
  font-weight: 600;
  color: var(--dark);
  width: 180px;
}

.review-item {
  padding: 24px 0;
  border-bottom: 1px solid var(--gray-100);
}

.review-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.review-avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--gray-600);
  font-size: 0.85rem;
}

.review-author {
  font-weight: 700;
  font-size: 0.92rem;
}

.review-date {
  font-size: 0.78rem;
  color: var(--gray-400);
}

.review-text {
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--gray-700);
}

/* ── 21. Cart ────────────────────────────────────────────── */
.cart-layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 48px;
  align-items: start;
}

.cart-item {
  display: grid;
  grid-template-columns: 100px 1fr auto;
  gap: 20px;
  align-items: center;
  padding: 24px 0;
  border-bottom: 1px solid var(--gray-100);
}

.cart-item-img {
  width: 100px;
  height: 100px;
  border-radius: var(--radius-sm);
  background: var(--gray-50);
  overflow: hidden;
}

.cart-item-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cart-item-details .item-name {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  color: var(--dark);
  margin-bottom: 4px;
}

.cart-item-details .item-variant {
  font-size: 0.82rem;
  color: var(--gray-500);
  margin-bottom: 12px;
}

.cart-item-details .item-price {
  font-weight: 700;
  color: var(--dark);
}

.cart-item-remove {
  background: none;
  border: none;
  color: var(--gray-400);
  cursor: pointer;
  font-size: 1rem;
  padding: 4px;
  transition: color var(--transition-fast);
}

.cart-item-remove:hover {
  color: var(--error);
}

.cart-summary {
  background: var(--gray-50);
  border-radius: var(--radius-lg);
  padding: 32px;
  position: sticky;
  top: calc(var(--header-height) + 24px);
}

.cart-summary h3 {
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--gray-200);
}

.summary-row {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  font-size: 0.92rem;
}

.summary-row.total {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--dark);
  border-top: 2px solid var(--gray-200);
  margin-top: 12px;
  padding-top: 16px;
}

.coupon-form {
  display: flex;
  gap: 8px;
  margin: 20px 0;
}

.coupon-form input {
  flex: 1;
  padding: 12px 14px;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  outline: none;
}

.coupon-form input:focus {
  border-color: var(--primary);
}

/* ── 22. Checkout ────────────────────────────────────────── */
.checkout-layout {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 60px;
  align-items: start;
}

.checkout-section {
  margin-bottom: 40px;
}

.checkout-section h3 {
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--gray-100);
}

.payment-methods {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.payment-method {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 20px;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.payment-method:hover {
  border-color: var(--gray-400);
}

.payment-method.active {
  border-color: var(--primary);
  background: var(--primary-light);
}

.payment-method i {
  font-size: 1.4rem;
  color: var(--gray-600);
  width: 32px;
  text-align: center;
}

.payment-method .method-name {
  font-weight: 600;
  font-size: 0.92rem;
}

.checkout-payment-icons {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

.checkout-payment-icons i {
  font-size: 1.65rem;
  color: var(--gray-600);
  width: auto;
  text-align: center;
}

.checkout-order-summary {
  background: var(--gray-50);
  border-radius: var(--radius-lg);
  padding: 32px;
  position: sticky;
  top: calc(var(--header-height) + 24px);
}

.checkout-item {
  display: flex;
  gap: 14px;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid var(--gray-200);
}

.checkout-item-img {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-sm);
  background: var(--white);
  overflow: hidden;
  flex-shrink: 0;
}

.checkout-item-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.checkout-item-name {
  font-weight: 600;
  font-size: 0.88rem;
  flex: 1;
}

.checkout-item-price {
  font-weight: 700;
  font-size: 0.92rem;
  white-space: nowrap;
}

/* ── 23. Auth ────────────────────────────────────────────── */
.auth-page {
  min-height: 100vh;
  display: flex;
}

.auth-visual {
  flex: 1;
  background: var(--dark);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.auth-visual::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('https://images.unsplash.com/photo-1534438327276-14e5300c3a48?w=1200&q=80') center/cover no-repeat;
  opacity: 0.3;
}

.auth-visual-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 48px;
}

.auth-visual .logo {
  color: var(--white);
  font-size: 2.5rem;
  margin-bottom: 24px;
  justify-content: center;
}

.auth-visual p {
  color: rgba(255,255,255,0.6);
  font-size: 1.1rem;
  max-width: 400px;
  line-height: 1.7;
}

.auth-form-section {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px;
}

.auth-form-wrapper {
  width: 100%;
  max-width: 420px;
}

.auth-form-wrapper h2 {
  margin-bottom: 8px;
}

.auth-form-wrapper .auth-subtitle {
  color: var(--gray-500);
  margin-bottom: 32px;
}

.auth-divider {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 24px 0;
  color: var(--gray-400);
  font-size: 0.82rem;
}

.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--gray-200);
}

.social-login {
  display: flex;
  gap: 12px;
}

.social-login button {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  background: var(--white);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--gray-700);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.social-login button:hover {
  border-color: var(--gray-400);
  background: var(--gray-50);
}

.auth-tabs {
  display: flex;
  background: var(--gray-100);
  border-radius: var(--radius-sm);
  padding: 4px;
  margin-bottom: 32px;
}

.auth-tab {
  flex: 1;
  padding: 10px;
  text-align: center;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  border: none;
  background: transparent;
  border-radius: 4px;
  cursor: pointer;
  color: var(--gray-500);
  transition: all var(--transition-fast);
}

.auth-tab.active {
  background: var(--white);
  color: var(--dark);
  box-shadow: var(--shadow-xs);
}

/* ── 24. Account Dashboard ───────────────────────────────── */
.dashboard-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 40px;
  align-items: start;
}

.dashboard-nav {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-lg);
  padding: 8px;
  position: sticky;
  top: calc(var(--header-height) + 24px);
}

.dashboard-nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--gray-600);
  transition: all var(--transition-fast);
  cursor: pointer;
}

.dashboard-nav-item i {
  width: 20px;
  text-align: center;
}

.dashboard-nav-item:hover {
  background: var(--gray-50);
  color: var(--dark);
}

.dashboard-nav-item.active {
  background: var(--primary-light);
  color: var(--primary);
  font-weight: 600;
}

.dashboard-card {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-lg);
  padding: 28px;
  margin-bottom: 24px;
}

.dashboard-card h3 {
  margin-bottom: 20px;
}

.order-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr auto;
  gap: 16px;
  align-items: center;
  padding: 16px 0;
  border-bottom: 1px solid var(--gray-100);
  font-size: 0.88rem;
}

.order-status {
  display: inline-flex;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
}

.status-delivered {
  background: rgba(16, 185, 129, 0.1);
  color: var(--success);
}

.status-processing {
  background: rgba(59, 130, 246, 0.1);
  color: var(--info);
}

.status-shipped {
  background: rgba(245, 158, 11, 0.1);
  color: var(--warning);
}

/* ── 25. Info Pages ──────────────────────────────────────── */
.info-content {
  max-width: 800px;
  margin: 0 auto;
  padding: 60px 24px;
}

.info-content h2 {
  margin-top: 40px;
  margin-bottom: 16px;
}

.info-content p {
  margin-bottom: 16px;
  line-height: 1.8;
  color: var(--gray-700);
}

.info-content ul {
  margin-bottom: 16px;
  padding-left: 24px;
}

.info-content li {
  margin-bottom: 8px;
  line-height: 1.7;
  list-style: disc;
  color: var(--gray-700);
}

.accordion {
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.accordion-item {
  border-bottom: 1px solid var(--gray-100);
}

.accordion-item:last-child {
  border-bottom: none;
}

.accordion-header {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  background: var(--white);
  border: none;
  cursor: pointer;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--dark);
  transition: all var(--transition-fast);
}

.accordion-header:hover {
  background: var(--gray-50);
}

.accordion-header i {
  transition: transform var(--transition-fast);
  color: var(--gray-400);
}

.accordion-item.open .accordion-header i {
  transform: rotate(180deg);
}

.accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s var(--ease-out);
}

.accordion-item.open .accordion-body {
  max-height: 500px;
}

.accordion-body-inner {
  padding: 0 24px 20px;
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--gray-600);
}

/* ── 26. Contact Page ────────────────────────────────────── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
  align-items: start;
}

.contact-info-card {
  display: flex;
  gap: 16px;
  padding: 24px;
  background: var(--gray-50);
  border-radius: var(--radius-md);
  margin-bottom: 16px;
}

.contact-info-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.contact-info-label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gray-500);
  margin-bottom: 4px;
}

.contact-info-value {
  font-weight: 600;
  color: var(--dark);
}

/* ── 27. Toast ───────────────────────────────────────────── */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 20px;
  background: var(--dark);
  color: var(--white);
  border-radius: var(--radius-md);
  font-size: 0.88rem;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  animation: slideInRight 0.4s var(--ease-spring);
  min-width: 280px;
}

.toast.success { border-left: 4px solid var(--success); }
.toast.error { border-left: 4px solid var(--error); }
.toast.info { border-left: 4px solid var(--info); }

.toast-close {
  margin-left: auto;
  background: none;
  border: none;
  color: rgba(255,255,255,0.5);
  cursor: pointer;
  font-size: 1rem;
}

/* ── 28. Misc Components ─────────────────────────────────── */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: var(--gray-100);
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--gray-700);
}

.divider {
  height: 1px;
  background: var(--gray-100);
  margin: 24px 0;
}

.empty-state {
  text-align: center;
  padding: 60px 24px;
}

.empty-state i {
  font-size: 3rem;
  color: var(--gray-300);
  margin-bottom: 16px;
}

.empty-state h3 {
  margin-bottom: 8px;
  color: var(--gray-700);
}

.empty-state p {
  color: var(--gray-500);
  margin-bottom: 24px;
}

.back-to-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: var(--dark);
  color: var(--white);
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: all var(--transition-base);
  z-index: 100;
  box-shadow: var(--shadow-lg);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--primary);
  transform: translateY(-2px);
}

/* Announcement Bar */
.announcement-bar {
  background: var(--dark);
  color: var(--white);
  text-align: center;
  padding: 10px 24px;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.03em;
}

.announcement-bar strong {
  color: var(--primary);
}

/* ── 29. Animations ──────────────────────────────────────── */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeSlideUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeSlideDown {
  from { opacity: 0; transform: translateY(-12px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(40px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.9); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.7s var(--ease-out);
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── 30. Responsive ──────────────────────────────────────── */
@media (max-width: 1200px) {
  .grid-4 { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); gap: 36px; }
}

@media (max-width: 1024px) {
  .shop-layout { grid-template-columns: 1fr; }
  .shop-sidebar { display: none; }
  .product-detail { grid-template-columns: 1fr; gap: 32px; }
  .product-gallery { position: static; }
  .cart-layout { grid-template-columns: 1fr; }
  .checkout-layout { grid-template-columns: 1fr; }
  .dashboard-layout { grid-template-columns: 1fr; }
  .dashboard-nav { position: static; }
  .contact-grid { grid-template-columns: 1fr; }
  .auth-visual { display: none; }
}

@media (max-width: 768px) {
  :root {
    --header-height: 64px;
    --section-gap: 60px;
  }

  .section { padding: 60px 0; }
  .nav-main { display: none; }
  .mobile-toggle { display: flex; }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-2 { grid-template-columns: 1fr; }
  .product-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero { min-height: 80vh; }
  .hero-title { font-size: clamp(2.5rem, 10vw, 4rem); }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; }
  .form-row { grid-template-columns: 1fr; }
  .newsletter-form { flex-direction: column; }
  .order-row { grid-template-columns: 1fr 1fr; gap: 8px; }
  .cart-item { grid-template-columns: 80px 1fr; }
  .cart-item-img { width: 80px; height: 80px; }
  .promo-banner { min-height: 320px; }
  .promo-banner-content { padding: 28px; }

  .shop-toolbar {
    flex-wrap: wrap;
    gap: 12px;
  }

  .filter-mobile-btn {
    display: inline-flex;
  }

  .mobile-filters {
    position: fixed;
    inset: 0;
    background: var(--white);
    z-index: 2000;
    padding: 24px;
    overflow-y: auto;
    transform: translateX(-100%);
    transition: transform var(--transition-base);
  }

  .mobile-filters.open {
    transform: translateX(0);
  }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .grid-3, .grid-4 { grid-template-columns: 1fr 1fr; }
  .product-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .product-card-body { padding: 12px; }
  .product-card-title { font-size: 0.85rem; }
  .btn { padding: 12px 24px; font-size: 0.8rem; }
  .btn-lg { padding: 14px 28px; }
  .gallery-thumbs { gap: 6px; }
  .gallery-thumb { width: 60px; height: 60px; }
}

/* ── 31. Scrollbar ───────────────────────────────────────── */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--gray-100);
}

::-webkit-scrollbar-thumb {
  background: var(--gray-300);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--gray-400);
}