/* ============================================================
   X24 Parts — Global Stylesheet
   Design: Sporty Industrial / Off-Road Rugged
   Palette: Orange #F15A24 + Carbon Black #1A1A1A
   ============================================================ */

/* --- CSS Custom Properties --- */
:root {
  --color-primary: #F15A24;
  --color-primary-hover: #D44A1A;
  --color-primary-light: #FFF0EA;
  --color-black: #1A1A1A;
  --color-dark: #2D2D2D;
  --color-text: #111111;
  --color-text-secondary: #666666;
  --color-text-muted: #999999;
  --color-bg-light: #F5F5F5;
  --color-white: #FFFFFF;
  --color-border: #E0E0E0;
  --color-border-dark: #444444;
  --color-success: #2E7D32;
  --color-success-light: #E8F5E9;
  --color-danger: #D32F2F;

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-display: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

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

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);

  --max-width: 1280px;
  --nav-height: 72px;

  --transition-fast: 0.15s ease;
  --transition: 0.3s ease;
  --transition-slow: 0.5s ease;
}

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

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

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  line-height: 1.6;
  background: var(--color-white);
  overflow-x: hidden;
}

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

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

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

ul, ol {
  list-style: none;
}

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

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

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

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.75rem); }
h4 { font-size: 1.25rem; }

.section-title {
  text-align: center;
  margin-bottom: 12px;
}

.section-subtitle {
  text-align: center;
  color: var(--color-text-secondary);
  font-size: 1.1rem;
  margin-bottom: 48px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.text-primary { color: var(--color-primary); }
.text-muted { color: var(--color-text-muted); }
.text-small { font-size: 0.875rem; }
.text-bold { font-weight: 700; }
.text-center { text-align: center; }

/* --- Navigation --- */
.nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--color-black);
  height: var(--nav-height);
  border-bottom: 2px solid var(--color-primary);
}

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

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-white);
  letter-spacing: -0.5px;
}

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

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

.nav-links a {
  color: var(--color-white);
  font-size: 0.9rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 8px 0;
  border-bottom: 2px solid transparent;
  transition: border-color var(--transition-fast), color var(--transition-fast);
}

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

.nav-cta {
  background: var(--color-primary);
  color: var(--color-white) !important;
  padding: 10px 20px !important;
  border-radius: var(--radius-sm);
  font-weight: 600 !important;
  transition: background var(--transition-fast) !important;
  border-bottom: none !important;
}

.nav-cta:hover {
  background: var(--color-primary-hover) !important;
  color: var(--color-white) !important;
}

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

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-white);
  transition: var(--transition);
}

/* --- Hero Section --- */
.hero {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: center;
  background: var(--color-black);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(26,26,26,0.85) 0%, rgba(26,26,26,0.7) 50%, rgba(241,90,36,0.15) 100%),
    repeating-linear-gradient(
      45deg,
      transparent,
      transparent 2px,
      rgba(255,255,255,0.02) 2px,
      rgba(255,255,255,0.02) 4px
    );
  z-index: 1;
}

.hero .container {
  position: relative;
  z-index: 2;
  padding-top: 80px;
  padding-bottom: 80px;
}

.hero-content {
  max-width: 680px;
}

.hero-badge {
  display: inline-block;
  background: var(--color-primary);
  color: var(--color-white);
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 24px;
}

.hero h1 {
  color: var(--color-white);
  margin-bottom: 20px;
  font-size: clamp(2.2rem, 5.5vw, 4rem);
  letter-spacing: -1px;
}

.hero h1 span {
  color: var(--color-primary);
  display: block;
}

.hero p {
  color: rgba(255,255,255,0.8);
  font-size: 1.15rem;
  line-height: 1.7;
  margin-bottom: 36px;
  max-width: 520px;
}

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

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 2px solid transparent;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

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

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

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

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

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

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

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

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

.btn-lg {
  padding: 18px 40px;
  font-size: 1rem;
}

.btn-sm {
  padding: 8px 20px;
  font-size: 0.85rem;
}

.btn-block {
  width: 100%;
  display: flex;
}

/* --- Section Spacing --- */
.section {
  padding: 100px 0;
}

.section-dark {
  background: var(--color-black);
  color: var(--color-white);
}

.section-dark .section-title { color: var(--color-white); }
.section-dark .section-subtitle { color: rgba(255,255,255,0.7); }

.section-light {
  background: var(--color-bg-light);
}

/* --- Advantage Cards --- */
.advantages-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.advantage-card {
  background: var(--color-white);
  padding: 36px 28px;
  border-radius: var(--radius-lg);
  text-align: center;
  transition: transform var(--transition), box-shadow var(--transition);
  border: 1px solid var(--color-border);
}

.advantage-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.advantage-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  background: var(--color-primary-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.advantage-icon svg {
  width: 28px;
  height: 28px;
  stroke: var(--color-primary);
}

.advantage-card h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
  color: var(--color-black);
}

.advantage-card p {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* --- Category Cards --- */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.category-card {
  position: relative;
  background: var(--color-dark);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  overflow: hidden;
  transition: transform var(--transition), background var(--transition);
  border: 1px solid var(--color-border-dark);
  cursor: pointer;
}

.category-card:hover {
  transform: translateY(-4px);
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.category-card::before {
  content: '';
  position: absolute;
  top: -40px;
  right: -40px;
  width: 120px;
  height: 120px;
  background: rgba(255,255,255,0.05);
  border-radius: 50%;
}

.category-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 20px;
}

.category-icon svg {
  width: 100%;
  height: 100%;
  stroke: var(--color-primary);
  transition: stroke var(--transition);
}

.category-card:hover .category-icon svg {
  stroke: var(--color-white);
}

.category-card h3 {
  color: var(--color-white);
  font-size: 1.2rem;
  margin-bottom: 8px;
}

.category-card p {
  color: rgba(255,255,255,0.6);
  font-size: 0.9rem;
  transition: color var(--transition);
}

.category-card:hover p {
  color: rgba(255,255,255,0.9);
}

.category-card .card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--color-primary);
  font-weight: 600;
  font-size: 0.9rem;
  margin-top: 16px;
  transition: color var(--transition);
}

.category-card:hover .card-link {
  color: var(--color-white);
}

/* --- Off-Road Highlight --- */
.offroad-highlight {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.offroad-image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
  background: var(--color-dark);
}

.offroad-image-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-dark), #3a3a3a);
  color: rgba(255,255,255,0.4);
  font-size: 1.5rem;
}

.offroad-content h2 {
  margin-bottom: 20px;
}

.offroad-content p {
  color: var(--color-text-secondary);
  margin-bottom: 24px;
  font-size: 1.05rem;
  line-height: 1.7;
}

.offroad-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 32px;
}

.offroad-feature {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 500;
}

.offroad-feature::before {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--color-primary);
  border-radius: 50%;
  flex-shrink: 0;
}

/* --- Stats Bar --- */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  padding: 48px 0;
}

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

.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* --- Trust Logos --- */
.trust-logos {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 48px;
  flex-wrap: wrap;
  padding: 32px 0;
}

.trust-logo {
  width: 120px;
  height: 48px;
  background: var(--color-bg-light);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 1px;
}

/* --- CTA Section --- */
.cta-section {
  background: var(--color-primary);
  padding: 80px 0;
  text-align: center;
}

.cta-section h2 {
  color: var(--color-white);
  margin-bottom: 16px;
}

.cta-section p {
  color: rgba(255,255,255,0.9);
  font-size: 1.1rem;
  margin-bottom: 32px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.cta-section .btn {
  background: var(--color-white);
  color: var(--color-black);
  border-color: var(--color-white);
}

.cta-section .btn:hover {
  background: var(--color-black);
  color: var(--color-white);
  border-color: var(--color-black);
}

/* --- Catalog Form --- */
.catalog-form-wrap {
  max-width: 520px;
  margin: 0 auto;
}

.catalog-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

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

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-group input,
.form-group textarea,
.form-group select {
  padding: 12px 16px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  transition: border-color var(--transition-fast);
  background: var(--color-white);
  color: var(--color-text);
}

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

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

.form-group .required::after {
  content: ' *';
  color: var(--color-danger);
}

/* --- Page Header --- */
.page-header {
  background: var(--color-black);
  padding: 80px 0 60px;
  text-align: center;
  position: relative;
}

.page-header::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--color-primary);
}

.page-header h1 {
  color: var(--color-white);
  margin-bottom: 12px;
}

.page-header p {
  color: rgba(255,255,255,0.7);
  font-size: 1.1rem;
}

/* --- Breadcrumb --- */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 16px 0;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

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

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

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

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

/* --- Product Grid --- */
.products-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 40px;
  padding: 48px 0;
}

.filter-sidebar {
  position: sticky;
  top: calc(var(--nav-height) + 24px);
  align-self: start;
}

.filter-group {
  margin-bottom: 28px;
}

.filter-group h4 {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--color-border);
}

.filter-group ul li {
  margin-bottom: 8px;
}

.filter-group a {
  display: block;
  padding: 6px 0;
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

.filter-group a:hover,
.filter-group a.active {
  color: var(--color-primary);
}

.filter-group a.active {
  font-weight: 600;
}

.search-box {
  position: relative;
  margin-bottom: 20px;
}

.search-box input {
  width: 100%;
  padding: 12px 16px 12px 44px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  transition: border-color var(--transition-fast);
}

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

.search-box svg {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  stroke: var(--color-text-muted);
}

.products-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.products-header .result-count {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

.filter-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}

.filter-tab {
  padding: 8px 20px;
  border: 2px solid var(--color-border);
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  background: var(--color-white);
  transition: all var(--transition-fast);
}

.filter-tab:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.filter-tab.active {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

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

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

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

.product-image {
  aspect-ratio: 1;
  background: var(--color-bg-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.product-info {
  padding: 20px;
}

.product-info .product-category {
  font-size: 0.75rem;
  color: var(--color-primary);
  text-transform: uppercase;
  font-weight: 600;
  letter-spacing: 0.5px;
  margin-bottom: 6px;
}

.product-info h3 {
  font-size: 1rem;
  margin-bottom: 6px;
}

.product-info .product-sku {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-bottom: 16px;
}

.product-info .btn {
  width: 100%;
}

/* --- Case Studies --- */
.cases-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.case-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: transform var(--transition), box-shadow var(--transition);
}

.case-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.case-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}

.case-avatar {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--color-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-weight: 700;
  font-size: 1.2rem;
}

.case-meta h4 {
  font-size: 1rem;
  margin-bottom: 2px;
}

.case-meta span {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.case-card blockquote {
  font-style: italic;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: 16px;
  padding-left: 16px;
  border-left: 3px solid var(--color-primary);
}

.case-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.tag {
  padding: 4px 12px;
  background: var(--color-bg-light);
  border-radius: 50px;
  font-size: 0.75rem;
  color: var(--color-text-secondary);
  font-weight: 500;
}

/* --- Timeline --- */
.timeline {
  position: relative;
  max-width: 720px;
  margin: 0 auto;
  padding: 20px 0;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--color-border);
  transform: translateX(-50%);
}

.timeline-item {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 30px;
  margin-bottom: 48px;
  align-items: center;
}

.timeline-item:nth-child(even) {
  direction: rtl;
}

.timeline-item:nth-child(even) .timeline-content {
  direction: ltr;
}

.timeline-dot {
  width: 16px;
  height: 16px;
  background: var(--color-primary);
  border: 4px solid var(--color-white);
  border-radius: 50%;
  box-shadow: 0 0 0 2px var(--color-primary);
  z-index: 1;
}

.timeline-year {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 4px;
}

.timeline-content h4 {
  font-size: 1rem;
  margin-bottom: 6px;
}

.timeline-content p {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
}

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

.cert-card {
  text-align: center;
  padding: 32px 24px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.cert-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  background: var(--color-success-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cert-icon svg {
  width: 24px;
  height: 24px;
  stroke: var(--color-success);
}

.cert-card h4 {
  margin-bottom: 6px;
}

.cert-card p {
  color: var(--color-text-secondary);
  font-size: 0.85rem;
}

/* --- Blog List --- */
.blog-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 48px;
  padding: 48px 0;
}

.blog-grid {
  display: grid;
  gap: 32px;
}

.blog-card {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 24px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}

.blog-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.blog-card-image {
  aspect-ratio: 16/10;
  background: var(--color-bg-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: 0.8rem;
}

.blog-card-content {
  padding: 24px 24px 24px 0;
  display: flex;
  flex-direction: column;
}

.blog-card-meta {
  display: flex;
  gap: 16px;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-bottom: 8px;
}

.blog-card-meta .blog-category {
  color: var(--color-primary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.blog-card-content h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
  line-height: 1.4;
}

.blog-card-content h3 a {
  color: var(--color-black);
}

.blog-card-content h3 a:hover {
  color: var(--color-primary);
}

.blog-card-content p {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
  flex: 1;
}

.blog-card-content .read-more {
  color: var(--color-primary);
  font-weight: 600;
  font-size: 0.9rem;
  margin-top: 12px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

/* --- Blog Sidebar --- */
.blog-sidebar {
  position: sticky;
  top: calc(var(--nav-height) + 24px);
  align-self: start;
}

.sidebar-widget {
  background: var(--color-bg-light);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 24px;
}

.sidebar-widget h4 {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--color-border);
}

.sidebar-widget ul li {
  margin-bottom: 8px;
}

.sidebar-widget ul li a {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

.sidebar-widget ul li a:hover {
  color: var(--color-primary);
}

.sidebar-subscribe {
  background: var(--color-black);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  color: var(--color-white);
  margin-bottom: 24px;
}

.sidebar-subscribe h4 {
  color: var(--color-white);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}

.sidebar-subscribe p {
  color: rgba(255,255,255,0.7);
  font-size: 0.85rem;
  margin-bottom: 16px;
}

.sidebar-subscribe input {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius-sm);
  background: var(--color-dark);
  color: var(--color-white);
  margin-bottom: 8px;
}

.sidebar-subscribe input:focus {
  outline: none;
  border-color: var(--color-primary);
}

.sidebar-subscribe input::placeholder {
  color: var(--color-text-muted);
}

.sidebar-subscribe .btn {
  width: 100%;
  font-size: 0.85rem;
  padding: 10px 20px;
}

/* --- Blog Article --- */
.article-header {
  text-align: center;
  padding: 60px 0 32px;
}

.article-meta {
  display: flex;
  justify-content: center;
  gap: 20px;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 20px;
}

.article-header h1 {
  max-width: 720px;
  margin: 0 auto 20px;
}

.article-featured-image {
  max-width: 800px;
  margin: 0 auto 48px;
  aspect-ratio: 16/9;
  background: var(--color-bg-light);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
}

.article-body {
  max-width: 720px;
  margin: 0 auto;
  padding-bottom: 60px;
}

.article-body h2 {
  margin-top: 48px;
  margin-bottom: 16px;
  font-size: 1.5rem;
}

.article-body h3 {
  margin-top: 32px;
  margin-bottom: 12px;
  font-size: 1.2rem;
}

.article-body p {
  margin-bottom: 20px;
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--color-text);
}

.article-body ul,
.article-body ol {
  margin-bottom: 20px;
  padding-left: 24px;
}

.article-body ul li,
.article-body ol li {
  margin-bottom: 8px;
  line-height: 1.7;
  list-style: disc;
}

.article-body ol li {
  list-style: decimal;
}

.article-body blockquote {
  border-left: 4px solid var(--color-primary);
  padding: 16px 24px;
  margin: 24px 0;
  background: var(--color-primary-light);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-style: italic;
  color: var(--color-text-secondary);
}

.article-body .key-points {
  background: var(--color-bg-light);
  padding: 24px 28px;
  border-radius: var(--radius-lg);
  margin: 24px 0;
}

.article-body .key-points h4 {
  margin-bottom: 12px;
  color: var(--color-primary);
}

.article-tags {
  display: flex;
  gap: 8px;
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
}

.article-share {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 24px;
}

.article-share span {
  font-weight: 600;
  font-size: 0.9rem;
}

.share-link {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-bg-light);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast);
}

.share-link:hover {
  background: var(--color-primary);
}

.share-link:hover svg {
  stroke: var(--color-white);
}

.related-articles {
  padding: 60px 0;
  background: var(--color-bg-light);
}

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

/* --- Apply Page --- */
.apply-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  padding: 60px 0;
  align-items: start;
}

.apply-benefits h2 {
  margin-bottom: 24px;
}

.benefits-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 32px;
}

.benefit-item {
  display: flex;
  gap: 16px;
}

.benefit-icon {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  background: var(--color-success-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.benefit-icon svg {
  width: 22px;
  height: 22px;
  stroke: var(--color-success);
}

.benefit-text h4 {
  font-size: 1rem;
  margin-bottom: 4px;
}

.benefit-text p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

.apply-steps {
  margin-top: 32px;
}

.apply-steps h3 {
  margin-bottom: 16px;
}

.step-list {
  counter-reset: step;
}

.step-list li {
  counter-increment: step;
  display: flex;
  gap: 16px;
  align-items: center;
  margin-bottom: 12px;
  font-size: 0.95rem;
}

.step-list li::before {
  content: counter(step);
  width: 32px;
  height: 32px;
  background: var(--color-black);
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  flex-shrink: 0;
}

.apply-form-wrap {
  background: var(--color-bg-light);
  padding: 40px;
  border-radius: var(--radius-lg);
}

.apply-form-wrap h2 {
  margin-bottom: 8px;
}

.apply-form-wrap p {
  color: var(--color-text-secondary);
  margin-bottom: 28px;
}

/* --- Footer --- */
.footer {
  background: var(--color-black);
  color: rgba(255,255,255,0.7);
  padding: 80px 0 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand h3 {
  color: var(--color-white);
  font-size: 1.5rem;
  margin-bottom: 12px;
}

.footer-brand h3 span {
  color: var(--color-primary);
}

.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.7;
}

.footer-col h4 {
  color: var(--color-white);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 20px;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col ul li a {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.6);
  transition: color var(--transition-fast);
}

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

.footer-contact p {
  font-size: 0.9rem;
  margin-bottom: 8px;
}

.footer-contact .email {
  color: var(--color-primary);
  font-weight: 500;
}

.footer-bottom {
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-bottom p {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.5);
}

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

.footer-lang a {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.5);
  text-transform: uppercase;
  padding: 4px 12px;
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 50px;
  transition: all var(--transition-fast);
}

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

/* --- FAQ --- */
.faq-list {
  max-width: 720px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
}

.faq-question {
  width: 100%;
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 600;
  text-align: left;
  color: var(--color-black);
  transition: color var(--transition-fast);
}

.faq-question:hover {
  color: var(--color-primary);
}

.faq-question .faq-icon {
  width: 20px;
  height: 20px;
  transition: transform var(--transition);
  flex-shrink: 0;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}

.faq-answer p {
  padding: 0 0 20px;
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
}

.faq-item.active .faq-question {
  color: var(--color-primary);
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.faq-item.active .faq-answer {
  max-height: 300px;
}

/* --- About Team Grid --- */
.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.team-card {
  text-align: center;
}

.team-avatar {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  margin: 0 auto 16px;
  background: var(--color-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.4);
  overflow: hidden;
}

.team-card h4 {
  font-size: 1rem;
  margin-bottom: 4px;
}

.team-card .team-role {
  font-size: 0.85rem;
  color: var(--color-primary);
  font-weight: 500;
}

/* --- Gallery --- */
.gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.gallery-item {
  aspect-ratio: 4/3;
  background: var(--color-bg-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

/* --- Scroll Animations --- */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* --- Toast / Notification --- */
.toast {
  position: fixed;
  bottom: 32px;
  right: 32px;
  background: var(--color-black);
  color: var(--color-white);
  padding: 16px 24px;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 500;
  z-index: 9999;
  animation: toast-in 0.3s ease;
  box-shadow: var(--shadow-lg);
  border-left: 4px solid var(--color-success);
}

.toast.error {
  border-left-color: var(--color-danger);
}

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

/* --- Mobile Menu --- */
.mobile-menu {
  position: fixed;
  inset: 0;
  top: var(--nav-height);
  background: var(--color-black);
  z-index: 999;
  display: flex;
  flex-direction: column;
  padding: 32px 24px;
  gap: 8px;
  transform: translateX(100%);
  transition: transform var(--transition);
}

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

.mobile-menu a {
  color: var(--color-white);
  font-size: 1.1rem;
  font-weight: 500;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.mobile-menu .nav-cta {
  margin-top: 16px;
  text-align: center;
  font-size: 1rem;
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .advantages-grid { grid-template-columns: repeat(2, 1fr); }
  .categories-grid { grid-template-columns: repeat(2, 1fr); }
  .offroad-highlight { grid-template-columns: 1fr; gap: 40px; }
  .products-layout { grid-template-columns: 200px 1fr; gap: 24px; }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .cases-grid { grid-template-columns: 1fr; }
  .blog-layout { grid-template-columns: 1fr; }
  .blog-sidebar { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; position: static; }
  .blog-card { grid-template-columns: 200px 1fr; }
  .apply-layout { grid-template-columns: 1fr; gap: 40px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .stats-bar { grid-template-columns: repeat(2, 1fr); }
  .related-grid { grid-template-columns: repeat(2, 1fr); }
  .certs-grid { grid-template-columns: repeat(2, 1fr); }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .section { padding: 60px 0; }
  .hero { min-height: auto; }
  .hero .container { padding-top: 48px; padding-bottom: 48px; }
  .advantages-grid { grid-template-columns: 1fr; }
  .categories-grid { grid-template-columns: 1fr; }
  .products-layout { grid-template-columns: 1fr; }
  .filter-sidebar { position: static; display: none; }
  .filter-sidebar.mobile-open { display: block; }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .blog-card { grid-template-columns: 1fr; }
  .blog-card-content { padding: 20px; }
  .blog-sidebar { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 16px; text-align: center; }
  .form-row { grid-template-columns: 1fr; }
  .stats-bar { grid-template-columns: 1fr 1fr; gap: 16px; }
  .related-grid { grid-template-columns: 1fr; }
  .certs-grid { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: 1fr; }
  .gallery { grid-template-columns: repeat(2, 1fr); }
  .timeline::before { left: 16px; }
  .timeline-item { grid-template-columns: auto 1fr; gap: 16px; }
  .timeline-item:nth-child(even) { direction: ltr; }
  .hero-buttons { flex-direction: column; }
  .hero-buttons .btn { width: 100%; }
  .page-header { padding: 48px 0 36px; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .product-grid { grid-template-columns: 1fr; }
  .filter-tabs { gap: 6px; }
  .filter-tab { padding: 6px 14px; font-size: 0.8rem; }
  .timeline-item { grid-template-columns: 32px 1fr; gap: 12px; }
  .trust-logos { gap: 24px; }
}