/* Hzglasses.com - Modern German Affiliate Glasses Review Website */

/* ============================================
   CSS Variables & Design System
   ============================================ */
:root {
  /* Primary Colors */
  --primary-dark: #1a1a2e;
  --primary: #16213e;
  --primary-light: #0f3460;
  --accent: #e94560;
  --accent-hover: #d63a52;

  /* Secondary Colors */
  --secondary: #533483;
  --secondary-light: #7b5ea7;

  /* Neutral Colors */
  --white: #ffffff;
  --gray-50: #f8f9fa;
  --gray-100: #f1f3f5;
  --gray-200: #e9ecef;
  --gray-300: #dee2e6;
  --gray-400: #ced4da;
  --gray-500: #adb5bd;
  --gray-600: #868e96;
  --gray-700: #495057;
  --gray-800: #343a40;
  --gray-900: #212529;
  --black: #000000;

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-light) 100%);
  --gradient-accent: linear-gradient(135deg, var(--accent) 0%, var(--secondary) 100%);
  --gradient-hero: linear-gradient(180deg, var(--primary-dark) 0%, var(--primary) 50%, var(--secondary) 100%);

  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-heading: 'Playfair Display', Georgia, serif;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;

  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 300ms ease;
  --transition-slow: 500ms ease;

  /* Container */
  --container-max: 1200px;
  --container-padding: 1.5rem;
}

/* ============================================
   Reset & Base Styles
   ============================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-primary);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--gray-800);
  background-color: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul, ol {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

/* ============================================
   Typography
   ============================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--primary-dark);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

@media (max-width: 768px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.75rem; }
  h3 { font-size: 1.25rem; }
}

p {
  margin-bottom: var(--space-md);
}

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

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

.section {
  padding: var(--space-3xl) 0;
}

.section-sm {
  padding: var(--space-2xl) 0;
}

.grid {
  display: grid;
  gap: var(--space-lg);
}

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

@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 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-wrap {
  flex-wrap: wrap;
}

.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }
.gap-xl { gap: var(--space-xl); }

/* ============================================
   Header & Navigation
   ============================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: var(--white);
  box-shadow: var(--shadow-md);
  z-index: 1000;
  transition: transform var(--transition-base);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

/* Unique Logo Design */
.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  text-decoration: none;
}

.logo-icon {
  width: 48px;
  height: 48px;
}

.logo-icon svg {
  width: 100%;
  height: 100%;
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.logo-title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-dark);
  line-height: 1;
}

.logo-subtitle {
  font-size: 0.7rem;
  color: var(--gray-500);
  letter-spacing: 0.5px;
}

/* Navigation */
.nav {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.nav-list {
  display: flex;
  gap: var(--space-lg);
}

.nav-link {
  font-weight: 500;
  color: var(--gray-700);
  padding: var(--space-sm) 0;
  position: relative;
}

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

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

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

/* Mobile Menu */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-sm);
}

.mobile-menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--gray-800);
  transition: var(--transition-fast);
}

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

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

  .nav-list.active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 80px;
    left: 0;
    right: 0;
    background: var(--white);
    padding: var(--space-lg);
    box-shadow: var(--shadow-lg);
  }
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
  padding-top: calc(80px + var(--space-3xl));
  padding-bottom: var(--space-3xl);
  background: var(--gradient-hero);
  color: var(--white);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.5;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-block;
  background: rgba(255, 255, 255, 0.15);
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  margin-bottom: var(--space-lg);
  backdrop-filter: blur(10px);
}

.hero-title {
  font-size: 3rem;
  color: var(--white);
  margin-bottom: var(--space-lg);
}

.hero-subtitle {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--space-xl);
  font-weight: 300;
}

.hero-actions {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
}

@media (max-width: 768px) {
  .hero-title {
    font-size: 2rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }
}

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.875rem 1.75rem;
  font-weight: 600;
  font-size: 1rem;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  cursor: pointer;
  text-decoration: none;
}

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

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

.btn-secondary {
  background: transparent;
  color: var(--white);
  border: 2px solid var(--white);
}

.btn-secondary:hover {
  background: var(--white);
  color: var(--primary-dark);
}

.btn-outline {
  background: transparent;
  color: var(--primary-dark);
  border: 2px solid var(--primary-dark);
}

.btn-outline:hover {
  background: var(--primary-dark);
  color: var(--white);
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1.125rem;
}

/* ============================================
   Product Cards
   ============================================ */
.products-section {
  background: var(--gray-50);
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.section-title {
  margin-bottom: var(--space-md);
}

.section-subtitle {
  color: var(--gray-600);
  max-width: 600px;
  margin: 0 auto;
}

.product-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.product-image {
  position: relative;
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, var(--gray-100) 0%, var(--gray-200) 100%);
  overflow: hidden;
}

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

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

.product-badge {
  position: absolute;
  top: var(--space-md);
  left: var(--space-md);
  background: var(--accent);
  color: var(--white);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
}

.product-content {
  padding: var(--space-lg);
}

.product-brand {
  font-size: 0.75rem;
  color: var(--accent);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: var(--space-xs);
}

.product-title {
  font-size: 1.125rem;
  margin-bottom: var(--space-sm);
}

.product-description {
  font-size: 0.875rem;
  color: var(--gray-600);
  margin-bottom: var(--space-md);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-price {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.price-current {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-dark);
}

.price-original {
  font-size: 1rem;
  color: var(--gray-400);
  text-decoration: line-through;
}

.product-features {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-bottom: var(--space-md);
}

.feature-tag {
  background: var(--gray-100);
  color: var(--gray-700);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
}

.product-actions {
  display: flex;
  gap: var(--space-sm);
}

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

/* ============================================
   Features Section
   ============================================ */
.features-section {
  background: var(--white);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
}

@media (max-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .features-grid {
    grid-template-columns: 1fr;
  }
}

.feature-card {
  text-align: center;
  padding: var(--space-xl);
}

.feature-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-md);
  background: var(--gradient-accent);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
}

.feature-icon svg {
  width: 32px;
  height: 32px;
}

.feature-title {
  font-size: 1.125rem;
  margin-bottom: var(--space-sm);
}

.feature-description {
  font-size: 0.875rem;
  color: var(--gray-600);
}

/* ============================================
   About Section
   ============================================ */
.about-section {
  background: var(--gray-50);
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

@media (max-width: 768px) {
  .about-content {
    grid-template-columns: 1fr;
  }
}

.about-image {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.about-image img {
  width: 100%;
  height: auto;
}

.about-text h2 {
  margin-bottom: var(--space-lg);
}

.about-text p {
  color: var(--gray-700);
  margin-bottom: var(--space-lg);
}

.about-list {
  margin-bottom: var(--space-xl);
}

.about-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
  color: var(--gray-700);
}

.about-list svg {
  flex-shrink: 0;
  color: var(--accent);
  margin-top: 4px;
}

/* ============================================
   Footer
   ============================================ */
.footer {
  background: var(--primary-dark);
  color: var(--white);
  padding-top: var(--space-3xl);
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-2xl);
  padding-bottom: var(--space-2xl);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

@media (max-width: 1024px) {
  .footer-content {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .footer-content {
    grid-template-columns: 1fr;
  }
}

.footer-brand {
  max-width: 300px;
}

.footer-logo {
  margin-bottom: var(--space-md);
}

.footer-description {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.875rem;
  margin-bottom: var(--space-md);
}

.footer-social {
  display: flex;
  gap: var(--space-sm);
}

.social-link {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.social-link:hover {
  background: var(--accent);
  transform: translateY(-2px);
}

.footer-column h4 {
  color: var(--white);
  font-family: var(--font-primary);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--space-md);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer-link {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.875rem;
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--accent);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg) 0;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.footer-copyright {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.6);
}

.footer-legal {
  display: flex;
  gap: var(--space-lg);
}

.footer-legal a {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.6);
}

.footer-legal a:hover {
  color: var(--white);
}

/* ============================================
   GDPR Cookie Banner
   ============================================ */
.gdpr-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--white);
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.15);
  padding: var(--space-lg);
  z-index: 2000;
  transform: translateY(100%);
  transition: transform var(--transition-base);
}

.gdpr-banner.active {
  transform: translateY(0);
}

.gdpr-content {
  display: flex;
  align-items: flex-start;
  gap: var(--space-lg);
  max-width: var(--container-max);
  margin: 0 auto;
}

.gdpr-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  background: var(--gradient-accent);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
}

.gdpr-text {
  flex: 1;
}

.gdpr-text h4 {
  font-family: var(--font-primary);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.gdpr-text p {
  font-size: 0.875rem;
  color: var(--gray-600);
  margin-bottom: var(--space-sm);
}

.gdpr-text a {
  color: var(--accent);
  text-decoration: underline;
}

.gdpr-actions {
  display: flex;
  gap: var(--space-sm);
  flex-shrink: 0;
}

@media (max-width: 768px) {
  .gdpr-content {
    flex-direction: column;
  }

  .gdpr-actions {
    width: 100%;
  }

  .gdpr-actions .btn {
    flex: 1;
  }
}

/* ============================================
   Legal Pages
   ============================================ */
.legal-page {
  padding-top: calc(80px + var(--space-2xl));
  padding-bottom: var(--space-3xl);
  min-height: 100vh;
  background: var(--gray-50);
}

.legal-header {
  background: var(--gradient-primary);
  color: var(--white);
  padding: var(--space-2xl) 0;
  margin-bottom: var(--space-2xl);
}

.legal-header h1 {
  color: var(--white);
  margin-bottom: var(--space-sm);
}

.legal-header p {
  color: rgba(255, 255, 255, 0.8);
}

.legal-content {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  box-shadow: var(--shadow-md);
}

.legal-content h2 {
  margin-top: var(--space-xl);
  margin-bottom: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--gray-200);
}

.legal-content h2:first-child {
  margin-top: 0;
  padding-top: 0;
  border-top: none;
}

.legal-content h3 {
  margin-top: var(--space-lg);
  margin-bottom: var(--space-md);
}

.legal-content p {
  margin-bottom: var(--space-md);
  color: var(--gray-700);
}

.legal-content ul,
.legal-content ol {
  margin-bottom: var(--space-md);
  padding-left: var(--space-xl);
}

.legal-content li {
  margin-bottom: var(--space-sm);
  color: var(--gray-700);
}

.legal-content ul li {
  list-style: disc;
}

.legal-content ol li {
  list-style: decimal;
}

.legal-content strong {
  color: var(--gray-900);
}

.legal-content table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: var(--space-lg);
}

.legal-content th,
.legal-content td {
  padding: var(--space-sm) var(--space-md);
  text-align: left;
  border: 1px solid var(--gray-200);
}

.legal-content th {
  background: var(--gray-50);
  font-weight: 600;
}

.legal-toc {
  background: var(--gray-50);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.legal-toc h3 {
  margin-top: 0;
  margin-bottom: var(--space-md);
}

.legal-toc ol {
  margin-bottom: 0;
}

.legal-toc a {
  color: var(--accent);
}

.legal-toc a:hover {
  text-decoration: underline;
}

/* ============================================
   Product Detail Page
   ============================================ */
.product-detail {
  padding-top: calc(80px + var(--space-2xl));
  padding-bottom: var(--space-3xl);
  background: var(--gray-50);
}

.product-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  box-shadow: var(--shadow-lg);
}

@media (max-width: 1024px) {
  .product-detail-grid {
    grid-template-columns: 1fr;
  }
}

.product-gallery {
  position: relative;
}

.product-main-image {
  width: 100%;
  aspect-ratio: 1;
  background: linear-gradient(135deg, var(--gray-100) 0%, var(--gray-200) 100%);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.product-main-image img {
  max-width: 80%;
  max-height: 80%;
  object-fit: contain;
}

.product-info {
  display: flex;
  flex-direction: column;
}

.product-info .product-brand {
  margin-bottom: var(--space-xs);
}

.product-info .product-title {
  font-size: 1.75rem;
  margin-bottom: var(--space-md);
}

.product-info .product-price {
  margin-bottom: var(--space-lg);
}

.product-info .price-current {
  font-size: 2rem;
}

.product-rating {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.stars {
  display: flex;
  gap: 2px;
  color: #ffc107;
}

.rating-text {
  font-size: 0.875rem;
  color: var(--gray-600);
}

.product-detail-description {
  color: var(--gray-700);
  margin-bottom: var(--space-xl);
  line-height: 1.8;
}

.product-specs {
  margin-bottom: var(--space-xl);
}

.product-specs h3 {
  margin-bottom: var(--space-md);
}

.specs-table {
  width: 100%;
}

.specs-table tr {
  border-bottom: 1px solid var(--gray-200);
}

.specs-table td {
  padding: var(--space-sm) 0;
}

.specs-table td:first-child {
  font-weight: 600;
  color: var(--gray-700);
  width: 40%;
}

.specs-table td:last-child {
  color: var(--gray-600);
}

.product-detail-actions {
  margin-top: auto;
}

.product-detail-actions .btn {
  width: 100%;
  margin-bottom: var(--space-md);
}

.product-affiliate-notice {
  background: var(--gray-50);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  font-size: 0.875rem;
  color: var(--gray-600);
  text-align: center;
}

/* ============================================
   Breadcrumb
   ============================================ */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
  font-size: 0.875rem;
  color: var(--gray-600);
}

.breadcrumb a {
  color: var(--gray-600);
}

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

.breadcrumb-separator {
  color: var(--gray-400);
}

.breadcrumb-current {
  color: var(--gray-800);
  font-weight: 500;
}

/* ============================================
   Utility Classes
   ============================================ */
.hidden { display: none !important; }
.visible { display: block !important; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--space-md); }
.mt-2 { margin-top: var(--space-xl); }
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--space-md); }
.mb-2 { margin-bottom: var(--space-xl); }

.pt-0 { padding-top: 0; }
.pt-1 { padding-top: var(--space-md); }
.pb-0 { padding-bottom: 0; }
.pb-1 { padding-bottom: var(--space-md); }

.bg-white { background-color: var(--white); }
.bg-gray { background-color: var(--gray-50); }
.bg-dark { background-color: var(--primary-dark); }

.text-white { color: var(--white); }
.text-accent { color: var(--accent); }
.text-gray { color: var(--gray-600); }

/* ============================================
   Animations
   ============================================ */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideUp {
  from { transform: translateY(100%); }
  to { transform: translateY(0); }
}

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

.animate-fadeIn {
  animation: fadeIn 0.5s ease forwards;
}

.animate-slideUp {
  animation: slideUp 0.3s ease forwards;
}

/* ============================================
   Print Styles
   ============================================ */
@media print {
  .header, .footer, .gdpr-banner, .hero-actions {
    display: none !important;
  }

  .product-detail {
    padding-top: 0;
  }
}