/* ===== CSS VARIABLES ===== */
:root {
  /* Color System */
  --primary-50: #f0f9ff;
  --primary-100: #e0f2fe;
  --primary-200: #bae6fd;
  --primary-300: #7dd3fc;
  --primary-400: #38bdf8;
  --primary-500: #0ea5e9;
  --primary-600: #0284c7;
  --primary-700: #0369a1;
  --primary-800: #075985;
  --primary-900: #0c4a6e;
  --primary-950: #0f4a82;

  --secondary-50: #f8fafc;
  --secondary-100: #f1f5f9;
  --secondary-200: #e2e8f0;
  --secondary-300: #cbd5e1;
  --secondary-400: #94a3b8;
  --secondary-500: #64748b;
  --secondary-600: #475569;
  --secondary-700: #334155;
  --secondary-800: #1e293b;
  --secondary-900: #0f172a;

  --accent-50: #ecfeff;
  --accent-100: #cffafe;
  --accent-200: #a5f3fc;
  --accent-300: #67e8f9;
  --accent-400: #22d3ee;
  --accent-500: #06b6d4;
  --accent-600: #0891b2;
  --accent-700: #0e7490;
  --accent-800: #155e75;
  --accent-900: #164e63;

  --success-500: #10b981;
  --warning-500: #f59e0b;
  --error-500: #ef4444;

  /* Typography */
  --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: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;

  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  --line-height-tight: 1.2;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.625;

  /* Spacing System (8px base) */
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2rem;
  --space-5: 2.5rem;
  --space-6: 3rem;
  --space-8: 4rem;
  --space-10: 5rem;
  --space-12: 6rem;
  --space-16: 8rem;

  /* Layout */
  --container-max: 1200px;
  --border-radius-sm: 0.375rem;
  --border-radius: 0.5rem;
  --border-radius-lg: 0.75rem;
  --border-radius-xl: 1rem;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition: 200ms ease;
  --transition-slow: 300ms ease;
}

/* Dark theme variables */
[data-theme="dark"] {
  --primary-50: #0c4a6e;
  --primary-100: #075985;
  --primary-200: #0369a1;
  --primary-300: #0284c7;
  --primary-400: #0ea5e9;
  --primary-500: #38bdf8;
  --primary-600: #7dd3fc;
  --primary-700: #bae6fd;
  --primary-800: #e0f2fe;
  --primary-900: #f0f9ff;

  --secondary-50: #0f172a;
  --secondary-100: #1e293b;
  --secondary-200: #334155;
  --secondary-300: #475569;
  --secondary-400: #64748b;
  --secondary-500: #94a3b8;
  --secondary-600: #cbd5e1;
  --secondary-700: #e2e8f0;
  --secondary-800: #f1f5f9;
  --secondary-900: #f8fafc;
}

/* ===== RESET & BASE STYLES ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  color: var(--secondary-900);
  background-color: var(--secondary-50);
  transition: background-color var(--transition), color var(--transition);
}

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

/* ===== LAYOUT COMPONENTS ===== */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-4);
}

@media (max-width: 768px) {
  .container {
    padding: 0 var(--space-2);
  }
}

/* ===== NAVIGATION ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(248, 250, 252, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--secondary-200);
  z-index: 1000;
  transition: all var(--transition);
}

[data-theme="dark"] .navbar {
  background: rgba(15, 23, 42, 0.95);
  border-bottom-color: var(--secondary-700);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  max-width: var(--container-max);
  margin: 0 auto;
}

.nav-logo .logo-text {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--primary-950);
  text-decoration: none;
  transition: color var(--transition);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--space-6);
  align-items: center;
}

.nav-link {
  text-decoration: none;
  color: var(--secondary-700);
  font-weight: var(--font-weight-medium);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--border-radius);
  transition: all var(--transition);
  position: relative;
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary-950);
  background-color: var(--primary-100);
}

.nav-link:focus {
  outline: 2px solid var(--primary-500);
  outline-offset: 2px;
}

.nav-controls {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.theme-toggle {
  background: none;
  border: none;
  padding: var(--space-2);
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: background-color var(--transition);
}

.theme-toggle:hover {
  background-color: var(--secondary-100);
}

.theme-toggle:focus {
  outline: 2px solid var(--primary-500);
  outline-offset: 2px;
}

.theme-icon {
  display: block;
  width: 20px;
  height: 20px;
  background: var(--secondary-700);
  border-radius: 50%;
  position: relative;
  transition: all var(--transition);
}

.theme-icon::before {
  content: '';
  position: absolute;
  top: -2px;
  left: 2px;
  width: 16px;
  height: 16px;
  background: var(--secondary-50);
  border-radius: 50%;
  transition: all var(--transition);
}

[data-theme="dark"] .theme-icon::before {
  transform: translateX(6px);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  flex-direction: column;
  gap: 3px;
  padding: var(--space-2);
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background-color: var(--secondary-700);
  border-radius: 1px;
  transition: all var(--transition);
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--secondary-50);
    flex-direction: column;
    padding: var(--space-4);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
    border-top: 1px solid var(--secondary-200);
  }

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

  .nav-toggle {
    display: flex;
  }

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

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

  .nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
  }
}

/* ===== HERO SECTION ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: linear-gradient(135deg, var(--primary-50) 0%, var(--accent-50) 100%);
}

.hero-background {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.cooling-animation {
  position: absolute;
  inset: 0;
}

.cooling-element {
  position: absolute;
  border-radius: 50%;
  background: linear-gradient(45deg, var(--primary-200), var(--accent-200));
  opacity: 0.3;
  animation: float 6s ease-in-out infinite;
}

.cooling-1 {
  width: 300px;
  height: 300px;
  top: 10%;
  left: -10%;
  animation-delay: 0s;
}

.cooling-2 {
  width: 200px;
  height: 200px;
  top: 60%;
  right: -5%;
  animation-delay: 2s;
}

.cooling-3 {
  width: 150px;
  height: 150px;
  bottom: 20%;
  left: 20%;
  animation-delay: 4s;
}

@keyframes float {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(180deg); }
}

.hero-content {
  position: relative;
  text-align: center;
  z-index: 1;
  animation: fadeInUp 1s ease-out;
}

.hero-title {
  margin-bottom: var(--space-4);
}

.title-main {
  display: block;
  font-size: var(--font-size-5xl);
  font-weight: var(--font-weight-bold);
  color: var(--primary-950);
  margin-bottom: var(--space-2);
  line-height: var(--line-height-tight);
  background: linear-gradient(135deg, var(--primary-950), var(--accent-600));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.title-sub {
  display: block;
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-medium);
  color: var(--secondary-700);
  line-height: var(--line-height-normal);
}

.hero-tagline {
  font-size: var(--font-size-lg);
  color: var(--secondary-600);
  margin-bottom: var(--space-6);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-cta {
  display: flex;
  gap: var(--space-3);
  justify-content: center;
  flex-wrap: wrap;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 768px) {
  .title-main {
    font-size: var(--font-size-4xl);
  }
  
  .title-sub {
    font-size: var(--font-size-lg);
  }
  
  .hero-tagline {
    font-size: var(--font-size-base);
  }
  
  .hero-cta {
    flex-direction: column;
    align-items: center;
  }
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--border-radius-lg);
  text-decoration: none;
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-base);
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  transform: translateX(-100%);
  transition: transform 0.6s ease;
}

.btn:hover::before {
  transform: translateX(100%);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
  color: white;
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-700), var(--primary-800));
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.btn-primary:focus {
  outline: 2px solid var(--primary-500);
  outline-offset: 2px;
}

.btn-secondary {
  background: var(--secondary-50);
  color: var(--primary-700);
  border: 2px solid var(--primary-300);
}

.btn-secondary:hover {
  background: var(--primary-50);
  border-color: var(--primary-500);
  transform: translateY(-2px);
}

.btn-secondary:focus {
  outline: 2px solid var(--primary-500);
  outline-offset: 2px;
}

/* ===== SECTIONS ===== */
.page-header {
  padding: var(--space-16) 0 var(--space-8);
  text-align: center;
  background: linear-gradient(135deg, var(--primary-50), var(--secondary-50));
  margin-top: 80px;
}

.page-header h1 {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  color: var(--primary-950);
  margin-bottom: var(--space-2);
  line-height: var(--line-height-tight);
}

.page-header p {
  font-size: var(--font-size-lg);
  color: var(--secondary-600);
}

.section-title {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--primary-950);
  text-align: center;
  margin-bottom: var(--space-8);
  line-height: var(--line-height-tight);
}

/* ===== SERVICES PREVIEW ===== */
.services-preview {
  padding: var(--space-12) 0;
  background: var(--secondary-50);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-6);
  margin-top: var(--space-8);
}

.service-card {
  background: white;
  padding: var(--space-6);
  border-radius: var(--border-radius-xl);
  box-shadow: var(--shadow);
  text-align: center;
  transition: all var(--transition);
  cursor: pointer;
  border: 1px solid var(--secondary-200);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(6, 182, 212, 0.1), transparent);
  transition: left 0.6s ease;
}

.service-card:hover::before {
  left: 100%;
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: var(--accent-300);
}

.service-icon {
  margin-bottom: var(--space-4);
  display: flex;
  justify-content: center;
}

.icon-shape {
  width: 60px;
  height: 60px;
  border-radius: var(--border-radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.icon-install {
  background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
}

.icon-install::before {
  content: '';
  width: 24px;
  height: 24px;
  background: white;
  border-radius: var(--border-radius-sm);
  position: relative;
  box-shadow: inset 2px 2px 4px rgba(0,0,0,0.1);
}

.icon-repair {
  background: linear-gradient(135deg, var(--accent-500), var(--accent-600));
}

.icon-repair::before {
  content: '';
  width: 20px;
  height: 4px;
  background: white;
  border-radius: 2px;
  position: relative;
  box-shadow: 0 8px 0 white, 0 16px 0 white;
}

.icon-maintenance {
  background: linear-gradient(135deg, var(--success-500), #059669);
}

.icon-maintenance::before {
  content: '';
  width: 24px;
  height: 24px;
  background: white;
  border-radius: 50%;
  position: relative;
  box-shadow: 
    inset 4px 4px 0 rgba(16, 185, 129, 0.3),
    inset -4px -4px 0 rgba(16, 185, 129, 0.3);
}

.icon-commercial {
  background: linear-gradient(135deg, var(--secondary-600), var(--secondary-700));
}

.icon-commercial::before {
  content: '';
  width: 20px;
  height: 20px;
  background: white;
  position: relative;
  clip-path: polygon(0 0, 100% 0, 50% 100%);
}

.service-card h3 {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--secondary-900);
  margin-bottom: var(--space-2);
}

.service-card p {
  color: var(--secondary-600);
  margin-bottom: var(--space-4);
  line-height: var(--line-height-relaxed);
}

.service-link {
  color: var(--primary-700);
  text-decoration: none;
  font-weight: var(--font-weight-medium);
  transition: color var(--transition);
}

.service-link:hover {
  color: var(--primary-950);
}

/* ===== ARTICLE CONTENT ===== */
.article-content {
  padding: var(--space-12) 0;
  background: white;
}

[data-theme="dark"] .article-content {
  background: var(--secondary-800);
}

.article-header {
  text-align: center;
  margin-bottom: var(--space-8);
}

.article-header h2 {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--primary-950);
  line-height: var(--line-height-tight);
  max-width: 800px;
  margin: 0 auto;
}

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

.article-body h3 {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-semibold);
  color: var(--primary-950);
  margin: var(--space-6) 0 var(--space-3);
  line-height: var(--line-height-tight);
}

.article-body p {
  margin-bottom: var(--space-4);
  color: var(--secondary-700);
}

.article-body ul,
.article-body ol {
  margin: var(--space-4) 0;
  padding-left: var(--space-6);
}

.article-body li {
  margin-bottom: var(--space-2);
  color: var(--secondary-700);
}

.article-body hr {
  border: none;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--secondary-300), transparent);
  margin: var(--space-8) 0;
}

.article-body strong {
  color: var(--secondary-900);
  font-weight: var(--font-weight-semibold);
}

/* ===== SERVICES DETAIL PAGE ===== */
.services-detail {
  padding: var(--space-8) 0 var(--space-12);
}

.services-intro {
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--space-12);
}

.services-intro h2 {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--primary-950);
  margin-bottom: var(--space-4);
}

.services-intro p {
  font-size: var(--font-size-lg);
  color: var(--secondary-600);
  line-height: var(--line-height-relaxed);
}

.service-categories {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  margin-bottom: var(--space-12);
}

.service-category {
  background: white;
  border-radius: var(--border-radius-xl);
  box-shadow: var(--shadow);
  border: 1px solid var(--secondary-200);
  overflow: hidden;
  transition: all var(--transition);
}

[data-theme="dark"] .service-category {
  background: var(--secondary-800);
  border-color: var(--secondary-600);
}

.service-category:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--accent-300);
}

.category-header {
  display: flex;
  align-items: center;
  padding: var(--space-6);
  background: linear-gradient(135deg, var(--primary-50), var(--accent-50));
  border-bottom: 1px solid var(--secondary-200);
}

.category-icon {
  margin-right: var(--space-4);
}

.icon-install-large,
.icon-repair-large,
.icon-maintenance-large,
.icon-commercial-large {
  width: 80px;
  height: 80px;
  border-radius: var(--border-radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.icon-install-large {
  background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
}

.icon-install-large::before {
  content: '';
  width: 32px;
  height: 32px;
  background: white;
  border-radius: var(--border-radius);
  position: relative;
  box-shadow: inset 3px 3px 6px rgba(0,0,0,0.1);
}

.icon-repair-large {
  background: linear-gradient(135deg, var(--accent-500), var(--accent-600));
}

.icon-repair-large::before {
  content: '';
  width: 28px;
  height: 6px;
  background: white;
  border-radius: 3px;
  position: relative;
  box-shadow: 0 12px 0 white, 0 24px 0 white;
}

.icon-maintenance-large {
  background: linear-gradient(135deg, var(--success-500), #059669);
}

.icon-maintenance-large::before {
  content: '';
  width: 32px;
  height: 32px;
  background: white;
  border-radius: 50%;
  position: relative;
  box-shadow: 
    inset 6px 6px 0 rgba(16, 185, 129, 0.3),
    inset -6px -6px 0 rgba(16, 185, 129, 0.3);
}

.icon-commercial-large {
  background: linear-gradient(135deg, var(--secondary-600), var(--secondary-700));
}

.icon-commercial-large::before {
  content: '';
  width: 28px;
  height: 28px;
  background: white;
  position: relative;
  clip-path: polygon(0 0, 100% 0, 50% 100%);
}

.category-info h3 {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-semibold);
  color: var(--primary-950);
  margin-bottom: var(--space-1);
}

.category-info p {
  color: var(--secondary-600);
  font-size: var(--font-size-lg);
}

.category-content {
  padding: var(--space-6);
}

.category-content p {
  font-size: var(--font-size-base);
  color: var(--secondary-700);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-4);
}

.feature-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-2);
}

.feature-list li {
  position: relative;
  padding-left: var(--space-6);
  color: var(--secondary-700);
  font-size: var(--font-size-sm);
}

.feature-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.375rem;
  width: 16px;
  height: 16px;
  background: linear-gradient(135deg, var(--accent-500), var(--accent-600));
  border-radius: 50%;
}

.feature-list li::after {
  content: '✓';
  position: absolute;
  left: 4px;
  top: 0.125rem;
  color: white;
  font-size: 12px;
  font-weight: var(--font-weight-bold);
}

/* ===== SERVICE BENEFITS ===== */
.service-benefits {
  background: var(--primary-50);
  padding: var(--space-8);
  border-radius: var(--border-radius-xl);
  margin: var(--space-12) 0;
}

.service-benefits h3 {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-semibold);
  color: var(--primary-950);
  text-align: center;
  margin-bottom: var(--space-6);
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-6);
}

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

.benefit-icon {
  margin-bottom: var(--space-3);
  display: flex;
  justify-content: center;
}

.icon-certified,
.icon-compliance,
.icon-efficiency,
.icon-warranty {
  width: 50px;
  height: 50px;
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.icon-certified {
  background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
}

.icon-certified::before {
  content: '';
  width: 20px;
  height: 20px;
  background: white;
  border-radius: 50%;
  position: relative;
  border: 3px solid var(--primary-200);
}

.icon-compliance {
  background: linear-gradient(135deg, var(--success-500), #059669);
}

.icon-compliance::before {
  content: '';
  width: 16px;
  height: 20px;
  background: white;
  position: relative;
  clip-path: polygon(20% 0%, 0% 20%, 30% 50%, 0% 80%, 20% 100%, 50% 70%, 80% 100%, 100% 80%, 70% 50%, 100% 20%, 80% 0%, 50% 30%);
}

.icon-efficiency {
  background: linear-gradient(135deg, var(--accent-500), var(--accent-600));
}

.icon-efficiency::before {
  content: '';
  width: 24px;
  height: 24px;
  background: white;
  position: relative;
  clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
}

.icon-warranty {
  background: linear-gradient(135deg, var(--secondary-600), var(--secondary-700));
}

.icon-warranty::before {
  content: '';
  width: 20px;
  height: 24px;
  background: white;
  position: relative;
  border-radius: 2px 2px 8px 8px;
  box-shadow: inset 0 4px 0 var(--secondary-400);
}

.benefit-item h4 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--primary-950);
  margin-bottom: var(--space-2);
}

.benefit-item p {
  color: var(--secondary-600);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
}

/* ===== SERVICE PROCESS ===== */
.service-process {
  margin: var(--space-12) 0;
}

.service-process h3 {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-semibold);
  color: var(--primary-950);
  text-align: center;
  margin-bottom: var(--space-8);
}

.process-steps {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  max-width: 600px;
  margin: 0 auto;
}

.process-step {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-4);
  background: white;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--secondary-200);
  transition: all var(--transition);
}

[data-theme="dark"] .process-step {
  background: var(--secondary-800);
  border-color: var(--secondary-600);
}

.process-step:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--accent-300);
}

.step-number {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-lg);
  flex-shrink: 0;
}

.step-content h4 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--primary-950);
  margin-bottom: var(--space-1);
}

.step-content p {
  color: var(--secondary-600);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
}

/* ===== ABOUT PAGE STYLES ===== */
.about-intro {
  max-width: 800px;
  margin: 0 auto var(--space-12);
  text-align: center;
}

.about-intro h2 {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--primary-950);
  margin-bottom: var(--space-4);
}

.about-intro p {
  font-size: var(--font-size-lg);
  color: var(--secondary-600);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-4);
}

.timeline-section {
  margin: var(--space-12) 0;
}

.timeline-section h3 {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-semibold);
  color: var(--primary-950);
  text-align: center;
  margin-bottom: var(--space-8);
}

.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--primary-300), var(--accent-400));
  transform: translateX(-50%);
}

.timeline-item {
  position: relative;
  margin-bottom: var(--space-8);
  animation: fadeInTimeline 0.6s ease-out forwards;
  opacity: 0;
}

.timeline-item:nth-child(1) { animation-delay: 0.1s; }
.timeline-item:nth-child(2) { animation-delay: 0.2s; }
.timeline-item:nth-child(3) { animation-delay: 0.3s; }
.timeline-item:nth-child(4) { animation-delay: 0.4s; }
.timeline-item:nth-child(5) { animation-delay: 0.5s; }

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

.timeline-marker {
  position: absolute;
  left: 50%;
  top: 0;
  width: 20px;
  height: 20px;
  background: linear-gradient(135deg, var(--primary-500), var(--accent-500));
  border-radius: 50%;
  transform: translateX(-50%);
  z-index: 1;
  border: 4px solid white;
  box-shadow: var(--shadow);
}

.timeline-content {
  width: calc(50% - 40px);
  padding: var(--space-4);
  background: white;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow);
  border: 1px solid var(--secondary-200);
  position: relative;
}

[data-theme="dark"] .timeline-content {
  background: var(--secondary-800);
  border-color: var(--secondary-600);
}

.timeline-item:nth-child(odd) .timeline-content {
  margin-left: auto;
}

.timeline-item:nth-child(even) .timeline-content {
  margin-right: auto;
}

.timeline-content::before {
  content: attr(data-year);
  position: absolute;
  top: -12px;
  right: var(--space-3);
  background: linear-gradient(135deg, var(--accent-500), var(--accent-600));
  color: white;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--border-radius);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
}

.timeline-item:nth-child(even) .timeline-content::before {
  right: auto;
  left: var(--space-3);
}

.timeline-content h4 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--primary-950);
  margin-bottom: var(--space-2);
}

.timeline-content p {
  color: var(--secondary-600);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
}

@media (max-width: 768px) {
  .timeline::before {
    left: 20px;
  }
  
  .timeline-marker {
    left: 20px;
  }
  
  .timeline-content {
    width: calc(100% - 60px);
    margin-left: 60px !important;
  }
  
  .timeline-content::before {
    left: var(--space-3) !important;
    right: auto !important;
  }
}

/* ===== TRUST FACTORS ===== */
.trust-factors {
  margin: var(--space-12) 0;
}

.trust-factors h3 {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-semibold);
  color: var(--primary-950);
  text-align: center;
  margin-bottom: var(--space-8);
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-6);
}

.trust-item {
  background: white;
  padding: var(--space-6);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow);
  border: 1px solid var(--secondary-200);
  text-align: center;
  transition: all var(--transition);
}

[data-theme="dark"] .trust-item {
  background: var(--secondary-800);
  border-color: var(--secondary-600);
}

.trust-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent-300);
}

.trust-icon {
  margin-bottom: var(--space-4);
  display: flex;
  justify-content: center;
}

.icon-expertise,
.icon-reliability,
.icon-customer {
  width: 60px;
  height: 60px;
  border-radius: var(--border-radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.icon-expertise {
  background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
}

.icon-expertise::before {
  content: '';
  width: 28px;
  height: 28px;
  background: white;
  border-radius: 50%;
  position: relative;
  box-shadow: inset 4px 4px 8px rgba(15, 74, 130, 0.2);
}

.icon-reliability {
  background: linear-gradient(135deg, var(--accent-500), var(--accent-600));
}

.icon-reliability::before {
  content: '';
  width: 24px;
  height: 24px;
  background: white;
  position: relative;
  clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
}

.icon-customer {
  background: linear-gradient(135deg, var(--success-500), #059669);
}

.icon-customer::before {
  content: '';
  width: 20px;
  height: 20px;
  background: white;
  border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%;
  position: relative;
}

.trust-item h4 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--primary-950);
  margin-bottom: var(--space-2);
}

.trust-item p {
  color: var(--secondary-600);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
}

/* ===== VALUES SECTION ===== */
.values-section {
  margin: var(--space-12) 0;
}

.values-section h3 {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-semibold);
  color: var(--primary-950);
  text-align: center;
  margin-bottom: var(--space-8);
}

.values-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-6);
}

.value-item {
  text-align: center;
  padding: var(--space-4);
}

.value-item h4 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--primary-950);
  margin-bottom: var(--space-2);
}

.value-item p {
  color: var(--secondary-600);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
}

.team-commitment {
  margin: var(--space-12) 0;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.team-commitment h3 {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-semibold);
  color: var(--primary-950);
  margin-bottom: var(--space-4);
}

.team-commitment p {
  font-size: var(--font-size-lg);
  color: var(--secondary-600);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-4);
}

/* ===== WARRANTY TABS ===== */
.warranty-tabs {
  max-width: 1000px;
  margin: 0 auto;
}

.tab-navigation {
  display: flex;
  border-bottom: 2px solid var(--secondary-200);
  margin-bottom: var(--space-6);
  overflow-x: auto;
}

.tab-btn {
  background: none;
  border: none;
  padding: var(--space-3) var(--space-4);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  color: var(--secondary-600);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all var(--transition);
  white-space: nowrap;
  position: relative;
}

.tab-btn:hover {
  color: var(--primary-700);
  background-color: var(--primary-50);
}

.tab-btn.active {
  color: var(--primary-950);
  border-bottom-color: var(--primary-600);
}

.tab-btn:focus {
  outline: 2px solid var(--primary-500);
  outline-offset: 2px;
}

.tab-content {
  position: relative;
  min-height: 400px;
}

.tab-panel {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition);
}

.tab-panel.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  position: relative;
}

.tab-panel h3 {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-semibold);
  color: var(--primary-950);
  margin-bottom: var(--space-4);
}

.tab-panel p {
  font-size: var(--font-size-base);
  color: var(--secondary-600);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-4);
}

.coverage-types,
.exclusions-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-6);
  margin: var(--space-6) 0;
}

.coverage-item,
.exclusion-category {
  background: white;
  padding: var(--space-5);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--secondary-200);
}

[data-theme="dark"] .coverage-item,
[data-theme="dark"] .exclusion-category {
  background: var(--secondary-800);
  border-color: var(--secondary-600);
}

.coverage-item h4,
.exclusion-category h4 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--primary-950);
  margin-bottom: var(--space-2);
}

.coverage-item p {
  color: var(--secondary-600);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
}

.exclusion-category ul {
  list-style: none;
  padding: 0;
}

.exclusion-category li {
  position: relative;
  padding-left: var(--space-4);
  color: var(--secondary-600);
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-2);
}

.exclusion-category li::before {
  content: '×';
  position: absolute;
  left: 0;
  color: var(--error-500);
  font-weight: var(--font-weight-bold);
}

.duration-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin: var(--space-6) 0;
}

.duration-item {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4);
  background: white;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--secondary-200);
  transition: all var(--transition);
}

[data-theme="dark"] .duration-item {
  background: var(--secondary-800);
  border-color: var(--secondary-600);
}

.duration-item:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--accent-300);
}

.duration-period {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-lg);
  flex-shrink: 0;
}

.duration-details h4 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--primary-950);
  margin-bottom: var(--space-1);
}

.duration-details p {
  color: var(--secondary-600);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
}

.included-categories {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-6);
  margin: var(--space-6) 0;
}

.included-section {
  background: var(--primary-50);
  padding: var(--space-5);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--primary-200);
}

.included-section h4 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--primary-950);
  margin-bottom: var(--space-3);
}

.included-section ul {
  list-style: none;
  padding: 0;
}

.included-section li {
  position: relative;
  padding-left: var(--space-5);
  color: var(--secondary-700);
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-2);
  line-height: var(--line-height-relaxed);
}

.included-section li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.375rem;
  width: 16px;
  height: 16px;
  background: linear-gradient(135deg, var(--success-500), #059669);
  border-radius: 50%;
}

.included-section li::after {
  content: '✓';
  position: absolute;
  left: 4px;
  top: 0.125rem;
  color: white;
  font-size: 12px;
  font-weight: var(--font-weight-bold);
}

.assurance-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-6);
  margin: var(--space-6) 0;
}

.assurance-item {
  background: white;
  padding: var(--space-5);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--secondary-200);
  transition: all var(--transition);
}

[data-theme="dark"] .assurance-item {
  background: var(--secondary-800);
  border-color: var(--secondary-600);
}

.assurance-item:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--accent-300);
}

.assurance-item h4 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--primary-950);
  margin-bottom: var(--space-2);
}

.assurance-item p {
  color: var(--secondary-600);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
}

.warranty-contact {
  background: var(--accent-50);
  padding: var(--space-6);
  border-radius: var(--border-radius-lg);
  margin-top: var(--space-8);
  border: 1px solid var(--accent-200);
}

.warranty-contact h4 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--primary-950);
  margin-bottom: var(--space-2);
}

.warranty-contact p {
  color: var(--secondary-700);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-2);
}

.warranty-contact a {
  color: var(--primary-700);
  text-decoration: none;
  font-weight: var(--font-weight-medium);
  transition: color var(--transition);
}

.warranty-contact a:hover {
  color: var(--primary-950);
  text-decoration: underline;
}

/* ===== CONTACT PAGE STYLES ===== */
.contact-content {
  padding: var(--space-8) 0 var(--space-12);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  align-items: start;
}

@media (max-width: 1024px) {
  .contact-grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
}

.contact-info h2 {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--primary-950);
  margin-bottom: var(--space-4);
}

.contact-info > p {
  font-size: var(--font-size-lg);
  color: var(--secondary-600);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-6);
}

.contact-details {
  margin: var(--space-6) 0;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  padding: var(--space-3);
  background: white;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--secondary-200);
  transition: all var(--transition);
}

[data-theme="dark"] .contact-item {
  background: var(--secondary-800);
  border-color: var(--secondary-600);
}

.contact-item:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--accent-300);
}

.contact-icon {
  display: flex;
  align-items: center;
  justify-content: center;
}

.icon-email,
.icon-service,
.icon-response {
  width: 40px;
  height: 40px;
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.icon-email {
  background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
}

.icon-email::before {
  content: '';
  width: 20px;
  height: 14px;
  background: white;
  border-radius: 2px;
  position: relative;
  box-shadow: inset 0 4px 0 var(--primary-300);
}

.icon-service {
  background: linear-gradient(135deg, var(--accent-500), var(--accent-600));
}

.icon-service::before {
  content: '';
  width: 18px;
  height: 18px;
  background: white;
  border-radius: 50% 50% 50% 0;
  position: relative;
  transform: rotate(-45deg);
}

.icon-response {
  background: linear-gradient(135deg, var(--success-500), #059669);
}

.icon-response::before {
  content: '';
  width: 16px;
  height: 16px;
  background: white;
  border-radius: 50%;
  position: relative;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.2); opacity: 0.7; }
}

.contact-text h4 {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--primary-950);
  margin-bottom: var(--space-1);
}

.contact-text p {
  color: var(--secondary-600);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
}

.contact-text a {
  color: var(--primary-700);
  text-decoration: none;
  font-weight: var(--font-weight-medium);
  transition: color var(--transition);
}

.contact-text a:hover {
  color: var(--primary-950);
  text-decoration: underline;
}

.service-highlights {
  margin-top: var(--space-6);
  padding: var(--space-5);
  background: var(--primary-50);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--primary-200);
}

.service-highlights h3 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--primary-950);
  margin-bottom: var(--space-3);
}

.service-highlights ul {
  list-style: none;
  padding: 0;
}

.service-highlights li {
  position: relative;
  padding-left: var(--space-5);
  color: var(--secondary-700);
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-2);
  line-height: var(--line-height-relaxed);
}

.service-highlights li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.375rem;
  width: 16px;
  height: 16px;
  background: linear-gradient(135deg, var(--accent-500), var(--accent-600));
  border-radius: 50%;
}

.service-highlights li::after {
  content: '✓';
  position: absolute;
  left: 4px;
  top: 0.125rem;
  color: white;
  font-size: 12px;
  font-weight: var(--font-weight-bold);
}

/* ===== CONTACT FORM ===== */
.contact-form-container {
  background: white;
  padding: var(--space-6);
  border-radius: var(--border-radius-xl);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--secondary-200);
}

[data-theme="dark"] .contact-form-container {
  background: var(--secondary-800);
  border-color: var(--secondary-600);
}

.contact-form h3 {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-semibold);
  color: var(--primary-950);
  margin-bottom: var(--space-2);
}

.contact-form > p {
  color: var(--secondary-600);
  margin-bottom: var(--space-6);
  line-height: var(--line-height-relaxed);
}

.form-group {
  margin-bottom: var(--space-5);
  position: relative;
}

.form-group label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--secondary-700);
  margin-bottom: var(--space-2);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: var(--space-3);
  border: 2px solid var(--secondary-300);
  border-radius: var(--border-radius);
  font-size: var(--font-size-base);
  background-color: var(--secondary-50);
  transition: all var(--transition);
  font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-500);
  background-color: white;
  box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1);
  transform: translateY(-1px);
}

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

.form-error {
  display: block;
  color: var(--error-500);
  font-size: var(--font-size-xs);
  margin-top: var(--space-1);
  opacity: 0;
  transform: translateY(-10px);
  transition: all var(--transition);
}

.form-error.show {
  opacity: 1;
  transform: translateY(0);
}

.form-submit {
  width: 100%;
  position: relative;
  overflow: hidden;
  margin-bottom: var(--space-4);
}

.btn-loading {
  display: none;
}

.form-submit.loading .btn-text {
  display: none;
}

.form-submit.loading .btn-loading {
  display: block;
}

.form-success {
  display: none;
  background: var(--success-500);
  color: white;
  padding: var(--space-4);
  border-radius: var(--border-radius-lg);
  text-align: center;
  animation: slideIn 0.5s ease-out;
}

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

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

.form-success h4 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-2);
}

.form-success p {
  font-size: var(--font-size-sm);
  opacity: 0.9;
}

.privacy-note {
  margin-top: var(--space-6);
  padding: var(--space-4);
  background: var(--secondary-100);
  border-radius: var(--border-radius);
  border: 1px solid var(--secondary-200);
}

.privacy-note h4 {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--primary-950);
  margin-bottom: var(--space-2);
}

.privacy-note p {
  color: var(--secondary-600);
  font-size: var(--font-size-xs);
  line-height: var(--line-height-relaxed);
}

.contact-cta {
  padding: var(--space-8) 0;
  background: linear-gradient(135deg, var(--primary-50), var(--accent-50));
  text-align: center;
}

/* ===== CTA SECTION ===== */
.cta-section {
  padding: var(--space-12) 0;
  background: linear-gradient(135deg, var(--primary-950), var(--accent-700));
  color: white;
  text-align: center;
}

.cta-content h2 {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-4);
  line-height: var(--line-height-tight);
}

.cta-content p {
  font-size: var(--font-size-lg);
  opacity: 0.9;
  margin-bottom: var(--space-6);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.cta-content .btn-primary {
  background: white;
  color: var(--primary-950);
}

.cta-content .btn-primary:hover {
  background: var(--primary-50);
  transform: translateY(-2px);
}

.cta-content .btn-secondary {
  background: transparent;
  color: white;
  border-color: white;
}

.cta-content .btn-secondary:hover {
  background: white;
  color: var(--primary-950);
}

/* ===== FOOTER ===== */
.footer {
  background: var(--secondary-900);
  color: var(--secondary-300);
  padding: var(--space-8) 0 var(--space-4);
}

[data-theme="dark"] .footer {
  background: var(--secondary-950);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-6);
  margin-bottom: var(--space-6);
}

.footer-section h3,
.footer-section h4 {
  color: white;
  margin-bottom: var(--space-3);
  font-weight: var(--font-weight-semibold);
}

.footer-section h3 {
  font-size: var(--font-size-lg);
}

.footer-section h4 {
  font-size: var(--font-size-base);
}

.footer-section p {
  color: var(--secondary-400);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
}

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

.footer-section li {
  margin-bottom: var(--space-2);
}

.footer-section a {
  color: var(--secondary-400);
  text-decoration: none;
  transition: color var(--transition);
  font-size: var(--font-size-sm);
}

.footer-section a:hover {
  color: var(--primary-400);
}

.footer-section a:focus {
  outline: 2px solid var(--primary-500);
  outline-offset: 2px;
  border-radius: var(--border-radius-sm);
}

.footer-bottom {
  border-top: 1px solid var(--secondary-700);
  padding-top: var(--space-4);
  text-align: center;
}

.footer-bottom p {
  color: var(--secondary-500);
  font-size: var(--font-size-xs);
}

/* ===== ANIMATIONS & INTERACTIONS ===== */
[data-reveal] {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease-out;
}

[data-reveal].revealed {
  opacity: 1;
  transform: translateY(0);
}

.animate-on-scroll {
  animation: slideUp 0.8s ease-out forwards;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(50px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1024px) {
  .container {
    padding: 0 var(--space-3);
  }
  
  .hero-content {
    padding: 0 var(--space-4);
  }
  
  .services-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-4);
  }
}

@media (max-width: 768px) {
  :root {
    --space-12: 4rem;
    --space-16: 5rem;
  }
  
  .page-header {
    padding: var(--space-12) 0 var(--space-6);
  }
  
  .page-header h1 {
    font-size: var(--font-size-3xl);
  }
  
  .section-title {
    font-size: var(--font-size-2xl);
  }
  
  .services-grid {
    grid-template-columns: 1fr;
  }
  
  .service-categories {
    gap: var(--space-4);
  }
  
  .category-header {
    flex-direction: column;
    text-align: center;
    gap: var(--space-3);
  }
  
  .category-icon {
    margin-right: 0;
  }
  
  .benefits-grid,
  .trust-grid,
  .values-content {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }
  
  .hero-cta {
    gap: var(--space-2);
  }
  
  .btn {
    padding: var(--space-3) var(--space-4);
    font-size: var(--font-size-sm);
  }
  
  .tab-navigation {
    flex-wrap: wrap;
    gap: 0;
  }
  
  .tab-btn {
    flex: 1;
    min-width: fit-content;
    font-size: var(--font-size-sm);
    padding: var(--space-2) var(--space-3);
  }
  
  .duration-item {
    flex-direction: column;
    text-align: center;
    gap: var(--space-3);
  }
  
  .process-steps {
    gap: var(--space-3);
  }
  
  .process-step {
    padding: var(--space-3);
  }
  
  .step-number {
    width: 32px;
    height: 32px;
    font-size: var(--font-size-base);
  }
}

@media (max-width: 480px) {
  .nav-container {
    padding: var(--space-2) var(--space-3);
  }
  
  .hero {
    min-height: 80vh;
  }
  
  .title-main {
    font-size: var(--font-size-3xl);
  }
  
  .cooling-1,
  .cooling-2,
  .cooling-3 {
    display: none;
  }
  
  .service-card {
    padding: var(--space-4);
  }
  
  .article-body {
    font-size: var(--font-size-base);
  }
  
  .contact-form-container {
    padding: var(--space-4);
  }
  
  .form-group input,
  .form-group select,
  .form-group textarea {
    padding: var(--space-2);
  }
}

/* ===== ACCESSIBILITY ===== */
@media (prefers-reduced-motion: reduce) {
  .cooling-element {
    animation: none;
  }
  
  .timeline-item {
    animation: none;
    opacity: 1;
  }
  
  .icon-response::before {
    animation: none;
  }
  
  [data-reveal] {
    opacity: 1;
    transform: none;
  }
}

/* Focus visibility for keyboard navigation */
*:focus {
  outline: 2px solid var(--primary-500);
  outline-offset: 2px;
}

button:focus,
a:focus,
input:focus,
select:focus,
textarea:focus {
  outline: 2px solid var(--primary-500);
  outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  .btn-primary {
    border: 2px solid var(--primary-900);
  }
  
  .btn-secondary {
    border-width: 3px;
  }
  
  .service-card {
    border-width: 2px;
  }
}