/* ========================================
   XINTONG Machinery - CSS Styles
   Color Scheme: Primary #1A3A5C, Accent #E8913A, Steel #3D5A80
   ======================================== */

:root {
  /* XINTONG Colors */
  --color-primary: #1A3A5C;
  --color-accent: #E8913A;
  --color-steel: #3D5A80;
  --color-secondary: #f8fafc;
  --color-text: #1a1a2e;
  --color-text-light: #64748b;
  --color-border: #e2e8f0;
  --color-white: #ffffff;
  --color-bg: #f8fafc;

  /* Typography */
  --font-heading: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;

  /* Layout */
  --container-max: 1400px;
  --header-height: 80px;
}

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

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

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

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 {
  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: 400;
  line-height: 1.2;
  color: var(--color-primary);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: clamp(1.25rem, 2vw, 1.5rem); }

p {
  margin-bottom: 1rem;
}

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

.text-light {
  color: var(--color-text-light);
}

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

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

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

.section-header h2 {
  margin-bottom: var(--space-sm);
}

.section-header p {
  color: var(--color-text-light);
  max-width: 600px;
  margin: 0 auto;
}

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

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

@media (max-width: 640px) {
  .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .section { padding: var(--space-lg) 0; }
}

/* ========================================
   Buttons - XINTONG Style
   ======================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: 0.875rem 2rem;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  border-radius: 8px;
  transition: all var(--transition-normal);
  cursor: pointer;
}

.btn-primary {
  background-color: var(--color-accent);
  color: var(--color-white);
  border: 1px solid var(--color-accent);
  box-shadow: 0 4px 14px rgba(232, 145, 58, 0.4);
}

.btn-primary:hover {
  background-color: #d4820f;
  border-color: #d4820f;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(232, 145, 58, 0.5);
}

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

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

.btn-dark {
  background-color: var(--color-primary);
  color: var(--color-white);
  border: 1px solid var(--color-primary);
}

.btn-dark:hover {
  background-color: #142d4a;
}

.btn-text {
  padding: 0;
  text-transform: none;
  letter-spacing: normal;
  color: var(--color-primary);
  position: relative;
}

/* ========================================
   Header
   ======================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  transition: box-shadow var(--transition-normal);
}

.header.scrolled {
  box-shadow: 0 1px 0 var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.02em;
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--color-text);
  position: relative;
  padding: var(--space-xs) 0;
}

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

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

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

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-xs);
}

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

@media (max-width: 768px) {
  .nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background-color: var(--color-white);
    flex-direction: column;
    padding: var(--space-md);
    gap: var(--space-sm);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
  }

  .nav.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

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

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

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

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

/* ========================================
   Hero Section - XINTONG Style
   ======================================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(26,58,92,0.92) 0%, rgba(61,90,128,0.85) 50%, rgba(26,58,92,0.78) 100%);
}

.hero-pattern {
  position: absolute;
  inset: 0;
  opacity: 0.1;
  background-image: 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='0.4'%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");
}

.hero-content {
  position: relative;
  z-index: 10;
  max-width: 800px;
}

.hero-badge {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: rgba(232, 145, 58, 0.2);
  color: var(--color-accent);
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: 50px;
  margin-bottom: var(--space-sm);
  border: 1px solid rgba(232, 145, 58, 0.3);
}

.hero h1 {
  color: var(--color-white);
  margin-bottom: var(--space-md);
}

.hero h1 span {
  color: var(--color-accent);
}

.hero-subtitle {
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--space-md);
  max-width: 600px;
}

.hero-buttons {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  max-width: 500px;
  margin-top: var(--space-lg);
}

.hero-stat-num {
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-accent);
}

.hero-stat-label {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.7);
  margin-top: 0.25rem;
}

.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
  40% { transform: translateX(-50%) translateY(-10px); }
  60% { transform: translateX(-50%) translateY(-5px); }
}

/* ========================================
   Categories Section
   ======================================== */
.categories {
  background-color: var(--color-white);
}

.category-card {
  position: relative;
  height: 400px;
  overflow: hidden;
  cursor: pointer;
  border-radius: 16px;
}

.category-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(26,58,92,0.8) 0%, rgba(26,58,92,0) 60%);
  z-index: 1;
  transition: opacity var(--transition-normal);
}

.category-card:hover::before {
  opacity: 0.9;
}

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

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

.category-content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-md);
  z-index: 2;
  color: var(--color-white);
}

.category-content h3 {
  color: var(--color-white);
  margin-bottom: var(--space-xs);
}

.category-content span {
  font-size: 0.875rem;
  opacity: 0.8;
}

/* ========================================
   Products Grid
   ======================================== */
.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
}

@media (max-width: 1024px) {
  .products-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
  .products-grid { grid-template-columns: repeat(2, 1fr); }
}

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

.product-card {
  background-color: var(--color-white);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
  border: 1px solid var(--color-border);
  transition: all 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  cursor: pointer;
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 60px rgba(26,58,92,0.15);
}

.product-image {
  position: relative;
  height: 220px;
  overflow: hidden;
  background-color: #f1f5f9;
}

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

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

.product-badge {
  position: absolute;
  top: var(--space-sm);
  left: var(--space-sm);
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background-color: var(--color-accent);
  color: var(--color-white);
  border-radius: 4px;
}

.product-info {
  padding: var(--space-sm);
}

.product-category {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-light);
  margin-bottom: var(--space-xs);
}

.product-info h4 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--space-xs);
  line-height: 1.4;
  transition: color var(--transition-fast);
}

.product-card:hover .product-info h4 {
  color: var(--color-accent);
}

.product-spec {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-accent);
  background: rgba(232, 145, 58, 0.1);
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  margin-bottom: var(--space-xs);
}

.product-desc {
  font-size: 0.8rem;
  color: var(--color-text-light);
  margin-bottom: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ========================================
   USP Section
   ======================================== */
.usp-section {
  background-color: var(--color-secondary);
}

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

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

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

.usp-item {
  text-align: center;
  padding: var(--space-md);
  background: var(--color-white);
  border-radius: 16px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.usp-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--color-accent);
  border-radius: 50%;
  color: var(--color-accent);
}

.usp-item h4 {
  margin-bottom: var(--space-xs);
}

.usp-item p {
  font-size: 0.875rem;
  color: var(--color-text-light);
  margin-bottom: 0;
}

/* ========================================
   Filter Bar
   ======================================== */
.filter-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-md);
  padding: var(--space-md);
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  margin-bottom: var(--space-md);
}

.filter-group {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.filter-label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-light);
}

.filter-select {
  padding: 0.625rem 1rem;
  border: 1px solid var(--color-border);
  background-color: var(--color-white);
  font-size: 0.875rem;
  min-width: 160px;
  border-radius: 8px;
  cursor: pointer;
  transition: border-color var(--transition-fast);
}

.filter-select:focus {
  outline: none;
  border-color: var(--color-accent);
}

.filter-search {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.filter-search input {
  padding: 0.625rem 1rem;
  border: 1px solid var(--color-border);
  font-size: 0.875rem;
  width: 220px;
  border-radius: 8px;
  transition: border-color var(--transition-fast);
}

.filter-search input:focus {
  outline: none;
  border-color: var(--color-accent);
}

@media (max-width: 768px) {
  .filter-bar {
    flex-direction: column;
    align-items: stretch;
  }

  .filter-search input {
    width: 100%;
  }
}

/* ========================================
   Product Detail
   ======================================== */
.product-detail {
  padding-top: calc(var(--header-height) + var(--space-lg));
}

.product-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
}

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

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

.product-main-image {
  height: 450px;
  background-color: var(--color-bg);
  border-radius: 16px;
  overflow: hidden;
  margin-bottom: var(--space-sm);
}

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

.product-thumbnails {
  display: flex;
  gap: var(--space-xs);
}

.product-thumbnail {
  width: 80px;
  height: 80px;
  border: 2px solid var(--color-border);
  border-radius: 8px;
  cursor: pointer;
  overflow: hidden;
  opacity: 0.6;
  transition: all var(--transition-fast);
}

.product-thumbnail:hover,
.product-thumbnail.active {
  border-color: var(--color-accent);
  opacity: 1;
}

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

.product-detail-info {
  padding: var(--space-md) 0;
}

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

.product-detail-info h1 {
  font-size: 2rem;
  margin-bottom: var(--space-sm);
}

.product-price-detail {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: var(--space-md);
}

.product-description {
  color: var(--color-text-light);
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-border);
}

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

.product-specs h3 {
  font-size: 1rem;
  margin-bottom: var(--space-sm);
}

.specs-table {
  width: 100%;
  border-collapse: collapse;
}

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

.specs-table th,
.specs-table td {
  padding: 0.75rem;
  text-align: left;
  font-size: 0.875rem;
}

.specs-table th {
  width: 40%;
  color: var(--color-text-light);
  font-weight: 500;
}

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

.product-meta {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

/* ========================================
   Forms
   ======================================== */
.form-group {
  margin-bottom: var(--space-md);
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: var(--space-xs);
  color: var(--color-text);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 0.875rem 1rem;
  border: 1px solid var(--color-border);
  background-color: var(--color-white);
  font-size: 1rem;
  border-radius: 8px;
  transition: border-color var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-accent);
}

.form-textarea {
  min-height: 150px;
  resize: vertical;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

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

/* ========================================
   Contact Page
   ======================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
}

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

.contact-info {
  padding: var(--space-md);
}

.contact-info h2 {
  margin-bottom: var(--space-md);
}

.contact-info p {
  color: var(--color-text-light);
  margin-bottom: var(--space-md);
}

.contact-details {
  margin-bottom: var(--space-md);
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.contact-icon {
  width: 24px;
  height: 24px;
  color: var(--color-accent);
  flex-shrink: 0;
  margin-top: 2px;
}

.contact-item h4 {
  font-size: 0.875rem;
  font-family: var(--font-body);
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.contact-item p {
  margin-bottom: 0;
  font-size: 0.875rem;
}

.contact-form {
  background-color: var(--color-secondary);
  padding: var(--space-md);
  border-radius: 16px;
}

.contact-form h3 {
  margin-bottom: var(--space-md);
}

/* ========================================
   About Page
   ======================================== */
.about-hero {
  padding-top: calc(var(--header-height) + var(--space-lg));
  padding-bottom: var(--space-lg);
  background-color: var(--color-secondary);
}

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

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

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

.about-text p {
  color: var(--color-text-light);
}

.about-image {
  height: 400px;
  background-color: var(--color-bg);
  border-radius: 16px;
  overflow: hidden;
}

.about-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ========================================
   Footer
   ======================================== */
.footer {
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: var(--space-xl) 0 var(--space-md);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

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

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

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

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

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

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

.footer-social a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: var(--color-white);
  border-radius: 8px;
  transition: all var(--transition-fast);
}

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

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

.footer-links li {
  margin-bottom: var(--space-sm);
}

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

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

.footer-bottom {
  padding-top: var(--space-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.footer-bottom p {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 0;
}

/* ========================================
   Page Header
   ======================================== */
.page-header {
  padding-top: calc(var(--header-height) + var(--space-lg));
  padding-bottom: var(--space-lg);
  background-color: var(--color-secondary);
  text-align: center;
}

.page-header h1 {
  margin-bottom: var(--space-sm);
}

.page-header p {
  color: var(--color-text-light);
  max-width: 600px;
  margin: 0 auto;
}

/* ========================================
   Breadcrumb
   ======================================== */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 0.875rem;
  margin-bottom: var(--space-md);
}

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

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

.breadcrumb span {
  color: var(--color-text-light);
}

/* ========================================
   Empty State
   ======================================== */
.empty-state {
  text-align: center;
  padding: var(--space-xl);
}

.empty-state svg {
  width: 64px;
  height: 64px;
  color: var(--color-border);
  margin-bottom: var(--space-md);
}

.empty-state h3 {
  margin-bottom: var(--space-sm);
}

.empty-state p {
  color: var(--color-text-light);
}

/* ========================================
   Animations
   ======================================== */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: all var(--transition-slow);
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ========================================
   Scrollbar
   ======================================== */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: #f1f5f9; }
::-webkit-scrollbar-thumb { background: #94a3b8; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #64748b; }