/* ==========================================================================
   TERMAL ELECTRONIC - Corporate Stylesheet
   Modern, Secure, High-Performance Vanilla CSS
   ========================================================================== */

:root {
  --primary: #2b619e;
  --primary-light: #4a81c2;
  --primary-dark: #1b4270;
  --accent: #ff8000;
  --accent-hover: #e67300;
  --accent-soft: rgba(255, 128, 0, 0.1);
  --bg-main: #f8fafc;
  --bg-card: #ffffff;
  --text-dark: #1e293b;
  --text-muted: #64748b;
  --text-light: #f1f5f9;
  --border: #e2e8f0;
  --border-focus: #4a81c2;
  --success: #10b981;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
  --shadow-hover: 0 14px 28px rgba(74, 129, 194, 0.18), 0 6px 10px rgba(0, 0, 0, 0.06);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-heading: 'Roboto', sans-serif;
}

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

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-main);
  color: var(--text-dark);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
}

/* Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text-dark);
  font-weight: 700;
  line-height: 1.25;
}

p {
  margin-bottom: 1rem;
}

a {
  color: var(--primary-light);
  text-decoration: none;
  transition: var(--transition);
}

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

/* Top Notification / Accent Bar */
.top-accent-bar {
  height: 4px;
  background: linear-gradient(90deg, var(--accent) 0%, var(--primary-light) 100%);
  width: 100%;
}

/* Header & Navbar */
.site-header {
  background: #ffffff;
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid var(--border);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-logo img {
  height: 48px;
  width: auto;
  object-fit: contain;
  transition: transform 0.2s ease;
}

.brand-logo:hover img {
  transform: scale(1.02);
}

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

.nav-list {
  display: flex;
  list-style: none;
  gap: 8px;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--primary);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  position: relative;
  transition: var(--transition);
}

.nav-link:hover {
  color: var(--accent);
  background-color: var(--accent-soft);
}

.nav-link.active {
  color: var(--accent) !important;
  background-color: var(--accent-soft);
  font-style: italic;
  font-weight: 700;
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 16px;
  right: 16px;
  height: 2px;
  background-color: var(--accent);
  border-radius: 2px;
}

/* Mobile Nav Toggle */
.mobile-nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  color: var(--primary);
  font-size: 1.25rem;
  cursor: pointer;
  transition: var(--transition);
}

.mobile-nav-toggle:hover {
  background-color: var(--bg-main);
  color: var(--accent);
}

/* Hero Section */
.hero-section {
  background: linear-gradient(135deg, #ffffff 0%, #edf3f9 100%);
  padding: 60px 0 40px;
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: -50px;
  right: -50px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(74, 129, 194, 0.1) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
  align-items: center;
}

.hero-title {
  font-size: 2.75rem;
  font-style: italic;
  color: var(--primary-light);
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

.hero-lead {
  font-size: 1.2rem;
  color: var(--text-dark);
  font-weight: 400;
  margin-bottom: 24px;
  max-width: 600px;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 15px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  background: #ffffff;
  border: 1px solid var(--border);
  color: var(--primary-dark);
  box-shadow: var(--shadow-sm);
}

.badge-accent {
  background: var(--accent-soft);
  color: var(--accent-hover);
  border-color: rgba(255, 128, 0, 0.3);
}

.hero-image-wrapper {
  background: #ffffff;
  padding: 16px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border);
  text-align: center;
}

.hero-image-wrapper img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-sm);
  object-fit: cover;
}

/* Orange Divider Line */
.orange-divider {
  height: 3px;
  background-color: var(--accent);
  margin: 30px 0;
  border: none;
  border-radius: 2px;
}

/* Feature Cards Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
  margin-bottom: 40px;
}

.feature-card {
  background: #ffffff;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  padding: 24px;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: var(--primary-light);
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--primary-light);
  opacity: 0;
  transition: var(--transition);
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-card.highlight::before {
  opacity: 1;
  background: var(--accent);
}

.card-category {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 8px;
}

.card-category.world { color: var(--primary-light); }
.card-category.design { color: var(--success); }

.card-title-box {
  background: #fff8e6;
  border-left: 4px solid #ffc107;
  padding: 8px 14px;
  border-radius: 4px;
  margin-bottom: 14px;
}

.card-title-box h3 {
  font-size: 1.25rem;
  color: #856404;
}

.card-date {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.card-text {
  color: var(--text-dark);
  font-size: 0.95rem;
  line-height: 1.6;
  flex-grow: 1;
}

/* Home Layout: Main vs Aside */
.home-content-layout {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 36px;
  margin-top: 30px;
  margin-bottom: 60px;
}

.news-box {
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px;
  box-shadow: var(--shadow-sm);
}

.news-title {
  font-size: 1.4rem;
  color: var(--primary-dark);
  border-bottom: 2px solid var(--border);
  padding-bottom: 12px;
  margin-bottom: 16px;
}

.news-date {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 600;
  margin-bottom: 12px;
}

.sidebar-card {
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-sm);
}

.sidebar-title {
  font-size: 1.15rem;
  font-style: italic;
  color: var(--primary);
  margin-bottom: 12px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 8px;
}

.social-links {
  display: flex;
  gap: 12px;
  list-style: none;
}

.social-icon-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-main);
  border: 1px solid var(--border);
  color: var(--primary);
  font-size: 1rem;
  transition: var(--transition);
}

.social-icon-btn:hover {
  background: var(--accent);
  color: #ffffff;
  border-color: var(--accent);
  transform: translateY(-2px);
}

/* About Page & Subtabs */
.about-header-banner {
  background: #ffffff;
  border-bottom: 1px solid var(--border);
  padding: 30px 0;
  margin-bottom: 30px;
}

.subnav-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  list-style: none;
  background: #ffffff;
  padding: 10px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  margin-bottom: 30px;
}

.subnav-btn {
  background: transparent;
  border: none;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.subnav-btn:hover {
  color: var(--primary);
  background-color: var(--bg-main);
}

.subnav-btn.active {
  color: #ffffff;
  background-color: var(--primary-light);
  box-shadow: var(--shadow-sm);
}

.tab-pane {
  display: none;
  animation: fadeIn 0.3s ease;
}

.tab-pane.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.about-content-card {
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 36px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 40px;
}

.about-title {
  font-size: 2rem;
  color: var(--primary);
  margin-bottom: 20px;
  border-bottom: 2px solid var(--border);
  padding-bottom: 12px;
}

.about-text {
  font-size: 1.05rem;
  line-height: 1.8;
  color: #334155;
  margin-bottom: 1.5rem;
}

/* Certificate Cards */
.certificates-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
  margin-top: 20px;
}

.certificate-card {
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  cursor: pointer;
}

.certificate-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: var(--primary-light);
}

.certificate-card img {
  width: 100%;
  height: 240px;
  object-fit: contain;
  background: #ffffff;
  border-radius: var(--radius-sm);
  padding: 8px;
}

.certificate-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-top: 10px;
}

/* Customer References */
.references-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 20px;
  margin: 30px 0 60px;
}

.reference-card {
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 120px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.reference-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
  border-color: var(--accent);
}

.reference-card img {
  max-width: 85%;
  max-height: 70px;
  object-fit: contain;
  filter: grayscale(20%);
  transition: var(--transition);
}

.reference-card:hover img {
  filter: grayscale(0%);
  transform: scale(1.05);
}

/* Products Page */
.products-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 30px;
  margin-top: 30px;
  margin-bottom: 60px;
}

.products-sidebar {
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  height: fit-content;
  position: sticky;
  top: 90px;
}

.sidebar-heading {
  font-size: 1.1rem;
  color: var(--primary-dark);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.category-filter-list {
  list-style: none;
}

.category-filter-item {
  margin-bottom: 14px;
}

.category-header {
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--primary);
  text-transform: uppercase;
  margin-bottom: 6px;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--border);
}

.category-title-btn {
  font-family: inherit;
  font-size: 0.88rem !important;
  font-weight: 700 !important;
  color: var(--primary) !important;
  text-transform: uppercase;
  display: block;
  width: 100%;
  cursor: pointer;
  background: transparent;
  border-radius: var(--radius-sm);
  padding: 4px 6px !important;
  transition: var(--transition);
}

.category-title-btn:hover {
  color: var(--accent) !important;
  background: var(--bg-main) !important;
}

.category-title-btn.active {
  color: var(--accent) !important;
  background: var(--accent-soft) !important;
}

.subcategory-list {
  list-style: none;
  padding-left: 10px;
}

.subcategory-btn {
  background: transparent;
  border: none;
  font-size: 0.85rem;
  color: var(--text-muted);
  padding: 6px 8px;
  border-radius: 4px;
  cursor: pointer;
  width: 100%;
  text-align: left;
  transition: var(--transition);
}

.subcategory-btn:hover {
  color: var(--primary-light);
  background-color: var(--bg-main);
}

.subcategory-btn.active {
  color: var(--accent);
  font-weight: 700;
  background-color: var(--accent-soft);
}

/* Products Content Area */
.products-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  background: #ffffff;
  padding: 16px 20px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  flex-wrap: wrap;
  gap: 16px;
}

.search-box {
  position: relative;
  flex: 1;
  max-width: 360px;
}

.search-input {
  width: 100%;
  padding: 10px 14px 10px 38px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  font-size: 0.95rem;
  transition: var(--transition);
  font-family: inherit;
}

.search-input:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(74, 129, 194, 0.15);
}

.search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 0.9rem;
}

.product-count-badge {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 500;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 20px;
}

.product-card {
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: var(--primary-light);
}

.product-card-img-wrapper {
  background: #ffffff;
  height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  border-bottom: 1px solid var(--border);
}

.product-card-img-wrapper img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  transition: transform 0.3s ease;
}

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

.product-card-body {
  padding: 16px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.product-category-tag {
  font-size: 0.75rem;
  color: var(--primary-light);
  font-weight: 600;
  text-transform: uppercase;
  margin-bottom: 4px;
}

.product-model-name {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 12px;
  line-height: 1.3;
}

.product-card-footer {
  margin-top: auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 10px;
  border-top: 1px solid var(--border);
}

.btn-view-details {
  background: transparent;
  color: var(--primary-light);
  border: 1px solid var(--primary-light);
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.btn-view-details:hover {
  background: var(--primary-light);
  color: #ffffff;
}

/* Modal for Product Details */
.modal-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(4px);
  z-index: 2000;
  align-items: center;
  justify-content: center;
  padding: 20px;
  animation: fadeIn 0.2s ease;
}

.modal-overlay.active {
  display: flex;
}

.modal-dialog {
  background: #ffffff;
  border-radius: var(--radius-lg);
  max-width: 650px;
  width: 100%;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  overflow: hidden;
  position: relative;
  animation: modalSlide 0.25s ease;
}

@keyframes modalSlide {
  from { opacity: 0; transform: translateY(20px) scale(0.97); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.modal-header {
  padding: 18px 24px;
  background: var(--primary);
  color: #ffffff;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-header h3 {
  color: #ffffff;
  font-size: 1.25rem;
}

.modal-close-btn {
  background: transparent;
  border: none;
  color: #ffffff;
  font-size: 1.5rem;
  cursor: pointer;
  line-height: 1;
  opacity: 0.8;
  transition: var(--transition);
}

.modal-close-btn:hover {
  opacity: 1;
  transform: scale(1.1);
}

.modal-body {
  padding: 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-items: center;
}

.modal-img-box {
  background: var(--bg-main);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 240px;
}

.modal-img-box img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.modal-specs-list {
  list-style: none;
}

.modal-specs-list li {
  margin-bottom: 12px;
  font-size: 0.95rem;
}

.modal-specs-list strong {
  color: var(--primary-dark);
  display: inline-block;
  min-width: 110px;
}

.btn-open-pdf {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: #ffffff;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9rem;
  margin-top: 16px;
  border: none;
  cursor: pointer;
  transition: var(--transition);
}

.btn-open-pdf:hover {
  background: var(--accent-hover);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 4px 10px rgba(255, 128, 0, 0.3);
}

/* Contact Page */
.contact-banner {
  background: #e0f2fe;
  border-left: 4px solid var(--primary-light);
  padding: 16px 20px;
  border-radius: var(--radius-sm);
  color: #0369a1;
  font-weight: 500;
  margin: 30px 0;
}

.contact-layout {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 32px;
  margin-bottom: 60px;
}

.contact-card {
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.contact-card-header {
  background: var(--primary-light);
  color: #ffffff;
  padding: 16px 24px;
  font-size: 1.15rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 10px;
}

.contact-card-header.success {
  background: #059669;
}

.contact-card-body {
  padding: 28px;
}

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-dark);
  margin-bottom: 8px;
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  font-size: 0.95rem;
  font-family: inherit;
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(74, 129, 194, 0.15);
}

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

.btn-submit {
  background: var(--primary-light);
  color: #ffffff;
  border: none;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.btn-submit:hover {
  background: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 10px rgba(43, 97, 158, 0.3);
}

.contact-info-list {
  line-height: 2;
  font-size: 0.95rem;
}

.contact-info-list a {
  color: var(--primary-light);
}

.map-wrapper {
  margin-top: 20px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--border);
}

.map-wrapper iframe {
  width: 100%;
  height: 260px;
  border: 0;
  display: block;
}

/* Footer */
.site-footer {
  background: #ffffff;
  border-top: 1px solid var(--border);
  margin-top: auto;
  padding: 30px 0;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.back-to-top-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary-light);
  font-weight: 600;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  background: var(--bg-main);
  border: 1px solid var(--border);
}

.back-to-top-btn:hover {
  background: var(--accent);
  color: #ffffff;
  border-color: var(--accent);
}

/* Responsive Breakpoints */
@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-badges {
    justify-content: center;
  }
  .home-content-layout {
    grid-template-columns: 1fr;
  }
  .products-layout {
    grid-template-columns: 1fr;
  }
  .products-sidebar {
    position: static;
  }
  .contact-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .nav-list {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #ffffff;
    box-shadow: var(--shadow-lg);
    padding: 16px;
    border-bottom: 2px solid var(--border);
  }
  .nav-list.active {
    display: flex;
  }
  .mobile-nav-toggle {
    display: block;
  }
  .hero-title {
    font-size: 2rem;
  }
  .modal-body {
    grid-template-columns: 1fr;
  }
  .footer-content {
    flex-direction: column;
    text-align: center;
  }
}


/* ==========================================================================
   Language Switcher & Bilingual Support
   ========================================================================== */
.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: var(--bg-main);
  padding: 4px 10px;
  border-radius: 20px;
  border: 1px solid var(--border);
  font-size: 0.85rem;
  font-weight: 600;
  margin-left: 12px;
}

.lang-btn {
  color: var(--text-muted);
  text-decoration: none;
  padding: 2px 7px;
  border-radius: 4px;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.lang-btn:hover {
  color: var(--primary);
}

.lang-btn.active {
  background: var(--primary);
  color: #ffffff;
}

.lang-divider {
  color: var(--border);
}

/* ==========================================================================
   Enhanced Multi-Column Corporate Footer
   ========================================================================== */
.site-footer {
  background: #ffffff;
  border-top: 1px solid var(--border);
  margin-top: auto;
  padding: 45px 0 25px;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.6fr;
  gap: 40px;
  text-align: left;
  padding-bottom: 30px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 24px;
}

.footer-col h4 {
  font-size: 1.05rem;
  color: var(--primary-dark);
  margin-bottom: 16px;
  position: relative;
  padding-bottom: 8px;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 32px;
  height: 2px;
  background: var(--accent);
}

.footer-col p {
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 12px;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.footer-links a {
  color: var(--text-muted);
  font-size: 0.9rem;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  text-decoration: none;
}

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.85rem;
}

/* ==========================================================================
   Direct Contact Channels (No-Form / Privacy-First)
   ========================================================================== */
.privacy-notice-box {
  background: #f0fdf4;
  border-left: 4px solid var(--success);
  padding: 16px 20px;
  border-radius: var(--radius-sm);
  margin-bottom: 24px;
}

.privacy-notice-box.warning {
  background: #fffbeb;
  border-left-color: #f59e0b;
}

.direct-contact-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-method-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 14px 16px;
  background: var(--bg-main);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.contact-method-item:hover {
  border-color: var(--primary-light);
  background: #ffffff;
  box-shadow: var(--shadow-sm);
}

.contact-icon {
  font-size: 1.6rem;
  line-height: 1;
  flex-shrink: 0;
}

.contact-method-item strong {
  display: block;
  color: var(--primary-dark);
  font-size: 0.95rem;
  margin-bottom: 2px;
}

.contact-link-highlight {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--primary);
  text-decoration: none;
}

.contact-link-highlight:hover {
  color: var(--accent);
  text-decoration: underline;
}

/* ==========================================================================
   KVKK / Privacy Hub Portal
   ========================================================================== */
.kvkk-layout {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 30px;
  margin-top: 30px;
  margin-bottom: 60px;
  align-items: start;
}

.kvkk-sidebar {
  position: sticky;
  top: 90px;
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: 18px 14px;
}

.kvkk-sidebar-title {
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  font-weight: 700;
  padding: 0 10px 12px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.kvkk-nav-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.kvkk-nav-btn {
  width: 100%;
  text-align: left;
  padding: 11px 14px;
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-family: inherit;
  font-weight: 500;
  color: var(--text-dark);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 10px;
  transition: var(--transition);
}

.kvkk-nav-btn:hover {
  background: var(--bg-main);
  color: var(--primary);
}

.kvkk-nav-btn.active {
  background: var(--primary);
  color: #ffffff;
  font-weight: 600;
}

.kvkk-content {
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: 36px 40px;
}

.kvkk-doc-card {
  display: none;
}

.kvkk-doc-card.active {
  display: block;
  animation: fadeIn 0.25s ease-in-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.kvkk-doc-header {
  border-bottom: 2px solid var(--border);
  padding-bottom: 20px;
  margin-bottom: 24px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 16px;
}

.kvkk-doc-title {
  font-size: 1.6rem;
  color: var(--primary-dark);
  margin-bottom: 6px;
}

.kvkk-doc-meta {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.kvkk-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.btn-download {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--accent);
  color: #ffffff;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
}

.btn-download:hover {
  background: var(--accent-hover);
  color: #ffffff;
  transform: translateY(-1px);
}

.btn-print {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-main);
  color: var(--text-dark);
  border: 1px solid var(--border);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.btn-print:hover {
  background: #ffffff;
  border-color: var(--primary-light);
  color: var(--primary);
}

.kvkk-body {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--text-dark);
}

.kvkk-body h3 {
  font-size: 1.25rem;
  color: var(--primary);
  margin-top: 28px;
  margin-bottom: 12px;
  border-left: 4px solid var(--accent);
  padding-left: 10px;
}

.kvkk-body h4 {
  font-size: 1.1rem;
  color: var(--primary-dark);
  margin-top: 20px;
  margin-bottom: 10px;
}

.kvkk-body p {
  margin-bottom: 14px;
}

.kvkk-table-wrapper {
  overflow-x: auto;
  margin: 18px 0 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

.kvkk-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9rem;
}

.kvkk-table th {
  background: #f1f5f9;
  color: var(--primary-dark);
  font-weight: 600;
  padding: 12px 16px;
  border-bottom: 2px solid var(--border);
}

.kvkk-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

.kvkk-table tr:nth-child(even) td {
  background: #fafafa;
}

.kvkk-table tr:last-child td {
  border-bottom: none;
}

.app-form-box {
  background: #f8fafc;
  border: 2px dashed #cbd5e1;
  border-radius: var(--radius-md);
  padding: 24px;
  margin: 20px 0;
}

.form-print-field {
  min-height: 28px;
  border-bottom: 1px dotted #94a3b8;
  display: inline-block;
  width: 100%;
}

@media print {
  .site-header, .site-footer, .kvkk-sidebar, .top-accent-bar, .kvkk-actions, .back-to-top-btn {
    display: none !important;
  }
  .kvkk-layout {
    grid-template-columns: 1fr !important;
    margin: 0 !important;
  }
  .kvkk-content {
    border: none !important;
    box-shadow: none !important;
    padding: 0 !important;
  }
  .kvkk-doc-card {
    display: block !important;
    page-break-after: always;
  }
}

@media (max-width: 992px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .kvkk-layout {
    grid-template-columns: 1fr;
  }
  .kvkk-sidebar {
    position: static;
  }
  .kvkk-content {
    padding: 24px 20px;
  }
}


/* ==========================================================================
   Professional Corporate SVG Icons
   ========================================================================== */
.tab-icon {
  width: 17px;
  height: 17px;
  stroke: currentColor;
  flex-shrink: 0;
  vertical-align: middle;
  transition: var(--transition);
}

.contact-svg-box {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: #e0f2fe;
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: var(--transition);
}

.contact-method-item:hover .contact-svg-box {
  background: var(--primary);
  color: #ffffff;
}

.btn-icon-svg {
  width: 15px;
  height: 15px;
  stroke: currentColor;
  flex-shrink: 0;
  vertical-align: middle;
}