/* ==========================================================================
   RF Connectors Website Styles
   ========================================================================== */

/* Variables */
:root {
  --primary-color: #0056b3;
  --secondary-color: #6c757d;
  --success-color: #28a745;
  --info-color: #17a2b8;
  --warning-color: #ffc107;
  --danger-color: #dc3545;
  --light-color: #f8f9fa;
  --dark-color: #343a40;

  --font-family-sans-serif: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-family-monospace: SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;

  --border-radius: 0.375rem;
  --box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
  --box-shadow-lg: 0 1rem 3rem rgba(0, 0, 0, 0.175);

  --transition: all 0.15s ease-in-out;
}

/* Base Styles */
body {
  font-family: var(--font-family-sans-serif);
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.5;
  color: #212529;
  background-color: #fff;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  margin-top: 0;
  margin-bottom: 0.5rem;
  font-weight: 500;
  line-height: 1.2;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

.lead {
  font-size: 1.25rem;
  font-weight: 300;
}

/* Links */
a {
  color: var(--primary-color);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: #004085;
  text-decoration: underline;
}

/* Buttons */
.btn {
  display: inline-block;
  font-weight: 400;
  line-height: 1.5;
  color: #212529;
  text-align: center;
  text-decoration: none;
  vertical-align: middle;
  cursor: pointer;
  user-select: none;
  background-color: transparent;
  border: 1px solid transparent;
  padding: 0.375rem 0.75rem;
  font-size: 1rem;
  border-radius: var(--border-radius);
  transition: var(--transition);
}

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

.btn-primary:hover {
  color: #fff;
  background-color: #004085;
  border-color: #003d82;
  text-decoration: none;
}

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

.btn-outline-primary:hover {
  color: #fff;
  background-color: var(--primary-color);
  border-color: var(--primary-color);
  text-decoration: none;
}

.btn-lg {
  padding: 0.5rem 1rem;
  font-size: 1.25rem;
  border-radius: 0.5rem;
}

.btn-sm {
  padding: 0.25rem 0.5rem;
  font-size: 0.875rem;
  border-radius: 0.25rem;
}

/* Header */
.header {
  background-color: #fff;
  box-shadow: var(--box-shadow);
  position: sticky;
  top: 0;
  z-index: 1020;
}

.logo img {
  max-height: 60px;
}

.navigation .nav-list {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  justify-content: flex-end;
}

.navigation .nav-list li {
  position: relative;
  margin-left: 2rem;
}

.navigation .nav-list li a {
  display: block;
  padding: 1rem 0;
  color: #333;
  font-weight: 500;
  text-decoration: none;
  transition: var(--transition);
}

.navigation .nav-list li a:hover,
.navigation .nav-list li a.active {
  color: var(--primary-color);
}

.navigation .lang-switch {
  position: relative;
}

.navigation .lang-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.45rem 0.75rem;
  border: 1px solid #e0e0e0;
  border-radius: 0.35rem;
  background: #fff;
  color: #333;
  font-weight: 600;
  text-transform: uppercase;
  cursor: pointer;
  transition: var(--transition);
}

.navigation .lang-toggle:hover {
  border-color: var(--primary-color);
  color: var(--primary-color);
}

.navigation .lang-toggle .flag {
  font-size: 1.1rem;
}

.navigation .lang-toggle .icon-arrow {
  display: inline-block;
  width: 0;
  height: 0;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 6px solid currentColor;
  margin-left: 2px;
}

.navigation .lang-menu {
  position: absolute;
  right: 0;
  top: 100%;
  margin-top: 0px;
  min-width: 150px;
  background: #fff;
  border: 1px solid #e5e5e5;
  border-radius: 0.35rem;
  box-shadow: var(--box-shadow-lg);
  padding: 0.25rem 0;
  list-style: none;
  display: none;
  z-index: 1100;
}

.navigation .lang-switch:hover .lang-menu,
.navigation .lang-switch:focus-within .lang-menu,
.navigation .lang-switch .lang-menu:hover {
  display: block;
}

.navigation .lang-menu li {
  margin: 0;
}

.navigation .lang-option {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.75rem;
  color: #333;
  text-decoration: none;
  font-weight: 600;
  text-transform: uppercase;
  transition: var(--transition);
}

.navigation .lang-option:hover {
  background: #f7f7f7;
  color: var(--primary-color);
}

.navigation .lang-option.active {
  background: var(--primary-color);
  color: #fff;
}

.navigation .lang-option .flag {
  font-size: 1.1rem;
}

/* Dropdown Menu */
.navigation .dropdown:hover .dropdown-menu {
  display: block;
}

.navigation .dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background-color: #fff;
  border: 1px solid #ddd;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow-lg);
  min-width: 200px;
  z-index: 1000;
}

.navigation .dropdown-menu li {
  margin: 0;
}

.navigation .dropdown-menu li a {
  padding: 0.5rem 1rem;
  border-bottom: 1px solid #f1f1f1;
}

.navigation .dropdown-menu li:last-child a {
  border-bottom: none;
}

/* Hero Section */
.hero-section {
  padding: 5rem 0;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
}

.hero-title {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.hero-subtitle {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

.hero-actions .btn {
  margin-right: 1rem;
  margin-bottom: 1rem;
}

/* Sections */
.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: #333;
}

.section-subtitle {
  font-size: 1.125rem;
  color: #666;
  margin-bottom: 3rem;
}

/* Cards */
.card {
  border: 1px solid rgba(0,0,0,.125);
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  transition: var(--transition);
}

.card:hover {
  box-shadow: var(--box-shadow-lg);
  transform: translateY(-2px);
}

/* Category Cards */
.category-card {
  background: #fff;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--box-shadow);
  transition: var(--transition);
  height: 100%;
}

.category-card:hover {
  box-shadow: var(--box-shadow-lg);
  transform: translateY(-5px);
}

.category-card .category-image {
  position: relative;
  overflow: hidden;
  height: 200px;
}

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

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

.category-content {
  padding: 1.5rem;
}

.category-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: #333;
}

.category-description {
  color: #666;
  margin-bottom: 1rem;
  font-size: 0.9rem;
}

.category-meta {
  margin-bottom: 1rem;
}

.product-count {
  font-size: 0.875rem;
  color: var(--primary-color);
  font-weight: 500;
}

/* Product Cards */
.product-card {
  background: #fff;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--box-shadow);
  transition: var(--transition);
  height: 100%;
  display: flex;
  flex-direction: column;
}

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

.product-image {
  position: relative;
  overflow: hidden;
  height: 200px;
}

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

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

.product-badge {
  position: absolute;
  top: 10px;
  right: 10px;
  background: var(--primary-color);
  color: white;
  padding: 0.25rem 0.5rem;
  border-radius: var(--border-radius);
  font-size: 0.75rem;
  font-weight: 500;
}

.product-content {
  padding: 1.5rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.product-category {
  font-size: 0.875rem;
  color: var(--primary-color);
  font-weight: 500;
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.product-title {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.product-title a {
  color: #333;
  text-decoration: none;
  transition: var(--transition);
}

.product-title a:hover {
  color: var(--primary-color);
  text-decoration: none;
}

.product-description {
  color: #666;
  font-size: 0.9rem;
  margin-bottom: 1rem;
  flex-grow: 1;
}

.product-specs {
  margin-bottom: 1rem;
  padding: 0.75rem;
  background: #f8f9fa;
  border-radius: var(--border-radius);
}

.spec-item {
  display: inline-block;
  font-size: 0.75rem;
  color: #666;
  margin-right: 1rem;
  margin-bottom: 0.25rem;
}

.product-actions {
  display: flex;
  gap: 0.5rem;
}

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

/* Feature Items */
.feature-item {
  text-align: center;
  padding: 2rem 1rem;
}

.feature-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary-color), #0056b3);
  border-radius: 50%;
  color: white;
  font-size: 2rem;
}

.feature-item h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: #333;
}

.feature-item p {
  color: #666;
  margin-bottom: 0;
}

/* Page Header */
.page-header {
  background-color: var(--light-color);
}

.page-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: #333;
  margin-bottom: 1rem;
}

.breadcrumb {
  background-color: transparent;
  padding: 0;
  margin-bottom: 0;
}

.breadcrumb-item a {
  color: var(--primary-color);
  text-decoration: none;
}

.breadcrumb-item.active {
  color: #666;
}

/* Product Gallery */
.product-gallery .main-image {
  margin-bottom: 1rem;
}

.product-gallery .main-image img {
  width: 100%;
  border-radius: var(--border-radius);
}

.thumbnail-img {
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--transition);
}

.thumbnail-img:hover,
.thumbnail-img.active {
  border-color: var(--primary-color);
}

/* Product Info */
.product-info .product-title {
  font-size: 2rem;
  font-weight: 700;
  color: #333;
  margin-bottom: 1rem;
}

.product-specifications .table th {
  background-color: var(--light-color);
  font-weight: 600;
  color: #333;
}

.feature-list {
  list-style: none;
  padding: 0;
}

.feature-list li {
  padding: 0.25rem 0;
  display: flex;
  align-items: center;
}

.feature-list li i {
  margin-right: 0.5rem;
  font-size: 1.125rem;
}

/* Contact Form */
.contact-form-card {
  background: #fff;
  padding: 2rem;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  height: fit-content;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  margin-bottom: 2rem;
}

.contact-icon {
  width: 50px;
  height: 50px;
  background: var(--primary-color);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 1rem;
  flex-shrink: 0;
}

.contact-details h4 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: #333;
}

.contact-details p {
  color: #666;
  margin-bottom: 0;
  line-height: 1.6;
}

/* Department Cards */
.department-card {
  background: #fff;
  padding: 2rem;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  text-align: center;
  height: 100%;
  transition: var(--transition);
}

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

.department-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto 1rem;
  background: var(--primary-color);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.department-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: #333;
}

.department-info p {
  margin-bottom: 0.5rem;
  color: #666;
}

/* Video Cards */
.video-card {
  background: #fff;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--box-shadow);
  transition: var(--transition);
}

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

.video-thumbnail {
  position: relative;
  height: 200px;
  overflow: hidden;
}

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

.video-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
}

.video-card:hover .video-overlay {
  opacity: 1;
}

.play-button {
  width: 60px;
  height: 60px;
  background: rgba(255, 255, 255, 0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}

.play-button:hover {
  background: #fff;
  transform: scale(1.1);
}

.play-button i {
  font-size: 1.5rem;
  color: var(--primary-color);
  margin-left: 3px;
}

.video-duration {
  position: absolute;
  bottom: 10px;
  right: 10px;
  background: rgba(0, 0, 0, 0.8);
  color: white;
  padding: 0.25rem 0.5rem;
  border-radius: var(--border-radius);
  font-size: 0.75rem;
}

.video-content {
  padding: 1.5rem;
}

.video-title {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: #333;
}

.video-description {
  color: #666;
  font-size: 0.9rem;
  margin-bottom: 0;
}

/* Statistics */
.stat-item {
  text-align: center;
}

.stat-number {
  font-size: 3rem;
  font-weight: 700;
  color: var(--primary-color);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 1rem;
  color: #666;
  font-weight: 500;
}

/* CTA Section */
.cta-section {
  background-color: var(--primary-color);
}

.cta-title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.cta-description {
  font-size: 1.125rem;
  opacity: 0.9;
}

/* Footer */
.footer {
  background-color: #2c3e50;
  color: #fff;
  padding: 3rem 0 1rem;
}

.footer-section h4 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  color: #fff;
}

.footer-section p {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 1rem;
}

.footer-links {
  list-style: none;
  padding: 0;
}

.footer-links li {
  margin-bottom: 0.5rem;
}

.footer-links li a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: var(--transition);
}

.footer-links li a:hover {
  color: #fff;
  text-decoration: none;
}

.contact-info {
  list-style: none;
  padding: 0;
}

.contact-info li {
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  color: rgba(255, 255, 255, 0.8);
}

.contact-info li i {
  margin-right: 0.5rem;
  width: 20px;
  text-align: center;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 2rem;
  margin-top: 2rem;
  text-align: center;
}

.footer-bottom p {
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 0;
}

/* Pagination */
.pagination {
  display: flex;
  justify-content: center;
  margin-top: 2rem;
}

.page-link {
  padding: 0.75rem 1rem;
  margin: 0 0.25rem;
  color: var(--primary-color);
  text-decoration: none;
  border: 1px solid #dee2e6;
  border-radius: var(--border-radius);
  transition: var(--transition);
}

.page-link:hover {
  background-color: var(--light-color);
  text-decoration: none;
}

.page-link.current {
  background-color: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
}

/* Utilities */
.text-primary { color: var(--primary-color) !important; }
.text-secondary { color: var(--secondary-color) !important; }
.text-success { color: var(--success-color) !important; }
.text-info { color: var(--info-color) !important; }
.text-warning { color: var(--warning-color) !important; }
.text-danger { color: var(--danger-color) !important; }
.text-light { color: var(--light-color) !important; }
.text-dark { color: var(--dark-color) !important; }

.bg-primary { background-color: var(--primary-color) !important; }
.bg-secondary { background-color: var(--secondary-color) !important; }
.bg-success { background-color: var(--success-color) !important; }
.bg-info { background-color: var(--info-color) !important; }
.bg-warning { background-color: var(--warning-color) !important; }
.bg-danger { background-color: var(--danger-color) !important; }
.bg-light { background-color: var(--light-color) !important; }
.bg-dark { background-color: var(--dark-color) !important; }

/* Icon placeholders */
.icon-quality::before { content: "🔧"; }
.icon-innovation::before { content: "💡"; }
.icon-service::before { content: "🎯"; }
.icon-delivery::before { content: "🚀"; }
.icon-phone::before { content: "📞"; }
.icon-email::before { content: "📧"; }
.icon-location::before { content: "📍"; }
.icon-clock::before { content: "🕒"; }
.icon-check::before { content: "✓"; }
.icon-play::before { content: "▶"; }
.icon-company::before { content: "🏢"; }
.icon-production::before { content: "⚙️"; }
.icon-products::before { content: "📦"; }
.icon-applications::before { content: "🎯"; }
.icon-sales::before { content: "💼"; }
.icon-tech::before { content: "🔧"; }
.value-item .value-icon {
  width: 76px;
  height: 76px;
  margin: 0 auto 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(13,110,253,0.12), rgba(13,110,253,0.06));
  color: var(--primary-color);
  border-radius: 14px;
  font-size: 32px;
  i { font-style: normal; }
  box-shadow: inset 0 1px 2px rgba(255,255,255,0.7), 0 4px 12px rgba(0,0,0,0.06);
}
.video-category-card .category-icon {
  width: 76px;
  height: 76px;
  background: linear-gradient(135deg, rgba(13,110,253,0.12), rgba(13,110,253,0.06));
  color: var(--primary-color);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  i { font-style: normal; }
  margin: 0 auto 16px;
  box-shadow: inset 0 1px 2px rgba(255,255,255,0.7), 0 4px 12px rgba(0,0,0,0.06);
}