/* ============================================================
   ClingGuard Website - Main Stylesheet
   Eco-Friendly Pest Control Solutions
   ============================================================ */

/* ----------------------------------------------------------
   1. CSS Custom Properties
   ---------------------------------------------------------- */
:root {
  /* Colors - Green Eco Theme */
  --color-primary: #2E7D32;
  --color-primary-dark: #1B5E20;
  --color-primary-light: #4CAF50;
  --color-primary-bg: #E8F5E9;
  --color-primary-bg-2: #C8E6C9;
  --color-white: #FFFFFF;
  --color-text: #212121;
  --color-text-secondary: #616161;
  --color-text-muted: #9E9E9E;
  --color-border: #E0E0E0;
  --color-bg: #FAFAFA;
  --color-accent: #FFC107;
  --color-error: #D32F2F;
  --color-success: #388E3C;

  /* Typography */
  --font-family: 'Inter', system-ui, -apple-system, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 2.5rem;
  --font-size-5xl: 3rem;
  --line-height-body: 1.6;
  --line-height-heading: 1.3;

  /* Spacing (8px grid) */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --space-5xl: 8rem;

  /* Layout */
  --container-max: 1200px;
  --container-padding: 1rem;

  /* Shadows */
  --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);

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: var(--line-height-body);
  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 {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

ul,
ol {
  list-style: none;
}

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

h1 {
  font-size: clamp(2rem, 5vw, var(--font-size-5xl));
}

h2 {
  font-size: clamp(1.5rem, 4vw, var(--font-size-3xl));
}

h3 {
  font-size: clamp(1.25rem, 3vw, var(--font-size-2xl));
}

h4 {
  font-size: var(--font-size-xl);
}

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

p:last-child {
  margin-bottom: 0;
}

/* ----------------------------------------------------------
   4. Layout Utilities
   ---------------------------------------------------------- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

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

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

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

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

.grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
}

.grid-3 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
}

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

/* ----------------------------------------------------------
   5. Header & Navigation
   ---------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-white);
  border-bottom: 1px solid transparent;
  transition: box-shadow var(--transition-base), border-color var(--transition-base);
}

.site-header.scrolled {
  box-shadow: var(--shadow-md);
  border-bottom-color: var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: var(--space-md) var(--container-padding);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-primary-dark);
  text-decoration: none;
}

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

.logo img {
  height: 40px;
  width: auto;
}

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

.main-nav a {
  color: var(--color-text);
  font-weight: 500;
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: var(--space-xs) 0;
  border-bottom: 2px solid transparent;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

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

.main-nav .nav-cta {
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-sm);
  border-bottom: none;
  transition: background-color var(--transition-fast);
}

.main-nav .nav-cta:hover,
.main-nav .nav-cta.active {
  background-color: var(--color-primary-dark);
  color: var(--color-white);
  border-bottom: none;
}

/* Hamburger Menu */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 30px;
  height: 30px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 201;
}

.hamburger span {
  display: block;
  width: 100%;
  height: 2.5px;
  background-color: var(--color-text);
  border-radius: 2px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.hamburger.active span:nth-child(1) {
  transform: translateY(7.5px) rotate(45deg);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: translateY(-7.5px) rotate(-45deg);
}

/* Mobile Menu Overlay */
.mobile-menu-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 199;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.mobile-menu-overlay.active {
  opacity: 1;
}

/* ----------------------------------------------------------
   6. Hero Sections
   ---------------------------------------------------------- */
.hero {
  position: relative;
  padding: var(--space-4xl) 0;
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 50%, var(--color-primary-light) 100%);
  color: var(--color-white);
  text-align: center;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%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");
  pointer-events: none;
}

.hero-home {
  padding: var(--space-5xl) 0 var(--space-4xl);
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.hero h1 {
  color: var(--color-white);
  margin-bottom: var(--space-lg);
  font-size: clamp(2rem, 6vw, var(--font-size-5xl));
}

.hero p {
  color: rgba(255, 255, 255, 0.9);
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-xl);
}

.hero-page {
  padding: var(--space-3xl) 0;
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
}

.hero-page h1 {
  font-size: clamp(1.75rem, 4vw, var(--font-size-4xl));
}

/* ----------------------------------------------------------
   7. Buttons
   ---------------------------------------------------------- */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  font-size: var(--font-size-base);
  font-weight: 600;
  font-family: var(--font-family);
  text-align: center;
  border: 2px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  line-height: 1.4;
}

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

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

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

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

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

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

.btn-lg {
  padding: 1rem 2rem;
  font-size: var(--font-size-lg);
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: var(--font-size-sm);
}

/* ----------------------------------------------------------
   8. Cards
   ---------------------------------------------------------- */
.card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

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

.card-img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  background-color: var(--color-primary-bg);
}

.card-body {
  padding: var(--space-lg);
}

.card-body h3 {
  margin-bottom: var(--space-sm);
  font-size: var(--font-size-xl);
}

.card-body p {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-md);
}

/* Category Card */
.category-card {
  text-align: center;
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  background: var(--color-white);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  border-top: 4px solid var(--color-primary);
}

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

.category-card .card-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--space-md);
  background: var(--color-primary-bg);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
}

.category-card .card-icon img {
  width: 48px;
  height: 48px;
}

.category-card h3 {
  margin-bottom: var(--space-sm);
}

.category-card p {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-md);
}

/* Product Card */
.product-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

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

.product-card .card-img {
  background-color: var(--color-bg);
  padding: var(--space-lg);
}

.product-card .card-img img {
  width: 100%;
  height: 200px;
  object-fit: contain;
}

.product-card .card-body .category-badge {
  display: inline-block;
  padding: 2px 10px;
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--color-primary);
  background: var(--color-primary-bg);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-sm);
  text-transform: uppercase;
}

.product-card .card-body .features {
  margin: var(--space-sm) 0;
  padding: 0;
}

.product-card .card-body .features li {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  padding: 2px 0;
  padding-left: 1.2em;
  position: relative;
}

.product-card .card-body .features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: 700;
}

/* Blog Card */
.blog-card .card-body time {
  display: block;
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
}

.blog-card .card-body .read-more {
  font-weight: 600;
  font-size: var(--font-size-sm);
}

/* Testimonial Card */
.testimonial-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-sm);
  position: relative;
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: var(--space-md);
  left: var(--space-lg);
  font-size: 4rem;
  color: var(--color-primary-bg-2);
  line-height: 1;
  font-family: serif;
}

.testimonial-card .quote {
  font-style: italic;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-md);
  padding-top: var(--space-md);
}

.testimonial-card .author {
  font-weight: 600;
  color: var(--color-text);
}

.testimonial-card .author-role {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

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

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: var(--space-xs);
  font-size: var(--font-size-sm);
}

.form-group label .required {
  color: var(--color-error);
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: var(--font-size-base);
  font-family: var(--font-family);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition-fast);
  background: var(--color-white);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-bg);
}

.form-control.error {
  border-color: var(--color-error);
}

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

.form-error {
  color: var(--color-error);
  font-size: var(--font-size-xs);
  margin-top: var(--space-xs);
  display: none;
}

.form-error.visible {
  display: block;
}

.form-success {
  display: none;
  padding: var(--space-md);
  background: var(--color-primary-bg);
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-sm);
  color: var(--color-primary-dark);
  margin-top: var(--space-md);
}

.form-success.visible {
  display: block;
}

/* ----------------------------------------------------------
   10. Breadcrumbs
   ---------------------------------------------------------- */
.breadcrumbs {
  padding: var(--space-md) 0;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  align-items: center;
  font-size: var(--font-size-sm);
}

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

.breadcrumbs li:not(:last-child)::after {
  content: '/';
  color: var(--color-text-muted);
}

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

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

.breadcrumbs [aria-current="page"] {
  color: var(--color-text);
  font-weight: 500;
}

/* ----------------------------------------------------------
   11. Feature Grid (Why Choose Us)
   ---------------------------------------------------------- */
.feature-item {
  text-align: center;
  padding: var(--space-xl);
}

.feature-item .feature-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto var(--space-md);
  background: var(--color-primary-bg);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
}

.feature-item .feature-icon img {
  width: 40px;
  height: 40px;
}

.feature-item h3 {
  margin-bottom: var(--space-sm);
}

.feature-item p {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

/* ----------------------------------------------------------
   12. CTA Banner
   ---------------------------------------------------------- */
.cta-banner {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-white);
  text-align: center;
  padding: var(--space-3xl) 0;
}

.cta-banner h2 {
  color: var(--color-white);
  margin-bottom: var(--space-md);
}

.cta-banner p {
  color: rgba(255, 255, 255, 0.9);
  font-size: var(--font-size-lg);
  max-width: 600px;
  margin: 0 auto var(--space-xl);
}

.cta-banner .btn-group {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* ----------------------------------------------------------
   13. Footer
   ---------------------------------------------------------- */
.site-footer {
  background-color: #1a1a1a;
  color: #bdbdbd;
  padding: var(--space-3xl) 0 var(--space-md);
}

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

.footer-col h4 {
  color: var(--color-white);
  margin-bottom: var(--space-md);
  font-size: var(--font-size-lg);
}

.footer-col p {
  font-size: var(--font-size-sm);
  line-height: 1.8;
  margin-bottom: var(--space-sm);
}

.footer-col a {
  color: #bdbdbd;
  font-size: var(--font-size-sm);
  line-height: 2;
  transition: color var(--transition-fast);
}

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

.footer-logo {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: var(--space-md);
  display: block;
}

.footer-bottom {
  border-top: 1px solid #333;
  padding-top: var(--space-lg);
  text-align: center;
  font-size: var(--font-size-sm);
}

.footer-bottom p {
  margin: 0;
}

/* ----------------------------------------------------------
   14. 404 Page
   ---------------------------------------------------------- */
.error-page {
  text-align: center;
  padding: var(--space-5xl) 0;
}

.error-page .error-code {
  font-size: 8rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--space-md);
}

.error-page h2 {
  margin-bottom: var(--space-md);
}

.error-page p {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xl);
}

/* ----------------------------------------------------------
   15. Cookie Consent
   ---------------------------------------------------------- */
.cookie-consent {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 400;
  background: var(--color-white);
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.15);
  padding: var(--space-md) 0;
  display: none;
}

.cookie-consent.visible {
  display: block;
}

.cookie-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.cookie-inner p {
  margin: 0;
  font-size: var(--font-size-sm);
  flex: 1;
  min-width: 200px;
}

/* ----------------------------------------------------------
   16. Back to Top
   ---------------------------------------------------------- */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 300;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  color: var(--color-white);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-md);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
}

/* ----------------------------------------------------------
   17. Product Detail Page
   ---------------------------------------------------------- */
.product-detail {
  padding: var(--space-3xl) 0;
}

.product-detail-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
}

.product-gallery {
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  display: flex;
  align-items: center;
  justify-content: center;
}

.product-gallery img {
  max-height: 400px;
  object-fit: contain;
}

.product-info h1 {
  margin-bottom: var(--space-sm);
}

.product-info .category-badge {
  display: inline-block;
  padding: 4px 12px;
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--color-primary);
  background: var(--color-primary-bg);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-md);
  text-transform: uppercase;
}

.product-info .description {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-lg);
  line-height: 1.8;
}

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

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

.product-features ul {
  padding: 0;
}

.product-features li {
  padding: var(--space-sm) 0;
  padding-left: 1.5em;
  position: relative;
  color: var(--color-text-secondary);
}

.product-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: 700;
}

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

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

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

.product-specs th,
.product-specs td {
  padding: var(--space-sm) var(--space-md);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
  font-size: var(--font-size-sm);
}

.product-specs th {
  font-weight: 600;
  color: var(--color-text);
  width: 40%;
  background: var(--color-bg);
}

.product-specs td {
  color: var(--color-text-secondary);
}

.product-cta {
  background: var(--color-primary-bg);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  text-align: center;
}

.product-cta p {
  margin-bottom: var(--space-md);
  font-weight: 500;
}

/* Related Products */
.related-products {
  padding: var(--space-3xl) 0;
  background: var(--color-bg);
}

.related-products h2 {
  text-align: center;
  margin-bottom: var(--space-xl);
}

/* ----------------------------------------------------------
   18. Blog Page
   ---------------------------------------------------------- */
.blog-list {
  padding: var(--space-3xl) 0;
}

.blog-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
}

/* Blog Post */
.blog-post {
  padding: var(--space-3xl) 0;
}

.blog-post-header {
  margin-bottom: var(--space-xl);
}

.blog-post-header time {
  display: block;
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
}

.blog-post-header .category-badge {
  display: inline-block;
  padding: 4px 12px;
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--color-primary);
  background: var(--color-primary-bg);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-md);
  text-transform: uppercase;
}

.blog-post-body {
  max-width: 800px;
  margin: 0 auto;
  font-size: var(--font-size-lg);
  line-height: 1.8;
}

.blog-post-body h2 {
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-md);
}

.blog-post-body h3 {
  margin-top: var(--space-xl);
  margin-bottom: var(--space-sm);
}

.blog-post-body p {
  margin-bottom: var(--space-lg);
}

.blog-post-body ul,
.blog-post-body ol {
  margin-bottom: var(--space-lg);
  padding-left: var(--space-xl);
}

.blog-post-body ul {
  list-style: disc;
}

.blog-post-body ol {
  list-style: decimal;
}

.blog-post-body li {
  margin-bottom: var(--space-sm);
}

.blog-post-body blockquote {
  border-left: 4px solid var(--color-primary);
  padding: var(--space-md) var(--space-lg);
  margin: var(--space-lg) 0;
  background: var(--color-primary-bg);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-style: italic;
}

/* ----------------------------------------------------------
   19. About Page
   ---------------------------------------------------------- */
.about-section {
  padding: var(--space-3xl) 0;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
  align-items: center;
}

.about-image {
  background: var(--color-primary-bg);
  border-radius: var(--radius-lg);
  min-height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
}

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

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

.about-text p {
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: var(--space-md);
}

/* ----------------------------------------------------------
   20. Contact Page
   ---------------------------------------------------------- */
.contact-section {
  padding: var(--space-3xl) 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
}

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

.contact-info-item {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.contact-info-item .contact-icon {
  width: 44px;
  height: 44px;
  background: var(--color-primary-bg);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-info-item .contact-icon img {
  width: 24px;
  height: 24px;
}

.contact-info-item h4 {
  font-size: var(--font-size-base);
  margin-bottom: 2px;
}

.contact-info-item p {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin: 0;
}

/* FAQ Section */
.faq-section {
  padding: var(--space-3xl) 0;
  background: var(--color-bg);
}

.faq-section h2 {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  margin-bottom: var(--space-md);
  box-shadow: var(--shadow-sm);
}

.faq-item h3 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-sm);
}

.faq-item p {
  color: var(--color-text-secondary);
  margin: 0;
}

/* ----------------------------------------------------------
   21. Company Intro (Homepage)
   ---------------------------------------------------------- */
.company-intro {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.company-intro h2 {
  margin-bottom: var(--space-md);
}

.company-intro p {
  color: var(--color-text-secondary);
  font-size: var(--font-size-lg);
  line-height: 1.8;
}

/* ----------------------------------------------------------
   22. Animations
   ---------------------------------------------------------- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-up {
  animation: fadeInUp 0.6s ease forwards;
}

/* ----------------------------------------------------------
   23. Responsive - Tablet (768px+)
   ---------------------------------------------------------- */
@media (min-width: 768px) {
  :root {
    --container-padding: 1.5rem;
  }

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

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

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

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

  .about-grid {
    grid-template-columns: 1fr 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr 1fr;
  }

  .product-detail-grid {
    grid-template-columns: 1fr 1fr;
  }

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

  .section {
    padding: var(--space-4xl) 0;
  }

  .hero-home {
    padding: var(--space-5xl) 0 var(--space-4xl);
  }
}

/* ----------------------------------------------------------
   24. Responsive - Desktop (1024px+)
   ---------------------------------------------------------- */
@media (min-width: 1024px) {
  :root {
    --container-padding: 2rem;
  }

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

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

  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }

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

  .hero {
    padding: var(--space-5xl) 0;
  }

  .hero-home {
    padding: var(--space-5xl) 0;
    min-height: 80vh;
    display: flex;
    align-items: center;
  }
}

/* ----------------------------------------------------------
   25. Mobile Navigation (< 1024px)
   ---------------------------------------------------------- */
@media (max-width: 1023px) {
  .hamburger {
    display: flex;
  }

  .main-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--color-white);
    flex-direction: column;
    padding: 5rem var(--space-xl) var(--space-xl);
    z-index: 200;
    gap: var(--space-md);
    box-shadow: var(--shadow-lg);
    transition: right var(--transition-base);
    align-items: flex-start;
  }

  .main-nav.active {
    right: 0;
  }

  .main-nav a {
    font-size: var(--font-size-base);
    padding: var(--space-sm) 0;
    width: 100%;
  }

  .main-nav .nav-cta {
    text-align: center;
    margin-top: var(--space-md);
  }

  .mobile-menu-overlay.active {
    display: block;
  }
}

/* ----------------------------------------------------------
   26. Print Styles
   ---------------------------------------------------------- */
@media print {
  .site-header,
  .site-footer,
  .back-to-top,
  .cookie-consent,
  .cta-banner,
  .hamburger {
    display: none !important;
  }

  body {
    font-size: 12pt;
    color: #000;
  }

  a {
    color: #000;
  }
}