/* ============================================
   APN CONDITIONNEMENTS - STYLES CSS 2025
   ============================================ */

/* CSS Variables for Brand Colors */
:root {
  --primary-color: #0066cc;
  --primary-dark: #004d99;
  --primary-light: #3385d6;
  --accent-color: #ff6b35;
  --accent-dark: #e55a2b;
  --text-dark: #1a1a1a;
  --text-light: #4a4a4a;
  --bg-light: #f8f9fa;
  --bg-white: #ffffff;
  --border-color: #e0e0e0;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.15);

  /* Piles de polices système — aucune dépendance externe (Google Fonts retiré) */
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --font-display: 'Segoe UI', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Helvetica, Arial, sans-serif;
}

/* Reset */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background: #92bde7;
  color: var(--text-dark);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.2;
}

/* Container */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero-section {
  width: 100%;
  padding: 0;
  margin: 0;
}

.hero-image-container {
  position: relative;
  width: 100%;
  margin: 0;
  padding: 0;
}

.hero-image-container picture {
  display: block;
  width: 100%;
}

.hero-image-container img {
  width: 100%;
  height: auto;
  display: block;
  max-width: none;
}

.hero-title-overlay {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  color: white;
  z-index: 10;
  width: 90%;
  max-width: 1200px;
}

.hero-title-overlay h1 {
  font-size: 3.5rem;
  margin-bottom: 2rem;
  text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.7);
}

.hero {
  position: relative;
  background: linear-gradient(135deg, #0066cc 0%, #004d99 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 0px 20px 80px;
  overflow: hidden;
  max-width: 80%;
  margin-left: auto;
  margin-right: auto;
  margin-top: 40px;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg width="60" height="60" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="60" height="60" patternUnits="userSpaceOnUse"><path d="M 60 0 L 0 0 0 60" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
  opacity: 0.4;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 900px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-block;
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  padding: 0.5rem 1.5rem;
  border-radius: 50px;
  color: white;
  font-weight: 600;
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  animation: fadeInDown 0.8s ease-out;
}

.hero-content h1 {
  font-size: 3.5rem;
  margin-bottom: 1.5rem;
  color: white;
  animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-content .hero-subtitle {
  font-size: 1.4rem;
  margin-bottom: 1rem;
  color: rgba(255, 255, 255, 0.95);
  font-weight: 600;
  animation: fadeInUp 0.8s ease-out 0.4s both;
}

.hero-content p {
  font-size: 1.15rem;
  margin-bottom: 2.5rem;
  color: rgba(255, 255, 255, 0.9);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.8;
  animation: fadeInUp 0.8s ease-out 0.6s both;
}

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

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

/* Buttons */
.hero-buttons {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease-out 0.8s both;
}

.btn-primary {
  background-color: white;
  color: var(--primary-color);
  padding: 1.2rem 2.5rem;
  border-radius: 50px;
  font-weight: 700;
  text-decoration: none;
  display: inline-block;
  transition: all 0.3s ease;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-size: 1rem;
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  background-color: var(--accent-color);
  color: white;
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.btn-secondary {
  background-color: transparent;
  color: white;
  padding: 1.2rem 2.5rem;
  border-radius: 50px;
  font-weight: 700;
  text-decoration: none;
  display: inline-block;
  transition: all 0.3s ease;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border: 2px solid white;
  font-size: 1rem;
}

.btn-secondary:hover {
  background-color: white;
  color: var(--primary-color);
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

/* ============================================
   STATS SECTION
   ============================================ */
.stats-section {
  padding: 4rem 0;
  margin-top: -50px;
  position: relative;
  z-index: 3;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  text-align: center;
}

.stat-item {
  background: white;
  padding: 2rem;
  border-radius: 15px;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}

.stat-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.stat-number {
  font-size: 3rem;
  font-weight: 800;
  color: var(--primary-color);
  font-family: var(--font-display);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 1rem;
  color: var(--text-light);
  font-weight: 600;
}

/* ============================================
   CERTIFICATIONS SECTION
   ============================================ */
.certifications-section {
  padding: 6rem 0;
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.certifications-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.cert-card {
  background: white;
  padding: 2.5rem;
  border-radius: 15px;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
  text-align: center;
  border: 2px solid var(--border-color);
}

.cert-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary-color);
}

.cert-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  display: block;
}

.cert-card h3 {
  font-size: 1.3rem;
  color: var(--text-dark);
  margin-bottom: 1rem;
}

.cert-card p {
  font-size: 1rem;
  color: var(--text-light);
  line-height: 1.6;
}

/* ============================================
   SERVICES SECTION
   ============================================ */
.services-section {
  padding: 6rem 0;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-badge {
  display: inline-block;
  background: rgba(0, 102, 204, 0.1);
  color: var(--primary-color);
  padding: 0.5rem 1.5rem;
  border-radius: 50px;
  font-weight: 700;
  margin-bottom: 1rem;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.section-title {
  font-size: 2.75rem;
  color: var(--text-dark);
  margin-bottom: 1rem;
}

.section-description {
  font-size: 1.2rem;
  color: var(--text-light);
  max-width: 700px;
  margin: 0 auto;
  line-height: 1.8;
}

/* Services Grid */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

/* Service Card */
.service-card {
  background: white;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all 0.4s ease;
  cursor: pointer;
  border: 2px solid var(--border-color);
  position: relative;
}

.service-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-color);
}

.service-icon {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  padding: 0.5rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.service-icon::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
  transition: all 0.5s ease;
}

.service-card:hover .service-icon::before {
  transform: scale(1.5);
}

.service-icon-emoji {
  font-size: 3.5rem;
  display: block;
  position: relative;
  z-index: 2;
  filter: drop-shadow(0 4px 8px rgba(0,0,0,0.2));
}

.service-content {
  padding: 2rem;
}

.service-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 1rem;
}

.service-description {
  font-size: 1rem;
  color: var(--text-light);
  margin-bottom: 1.5rem;
  line-height: 1.7;
}

.service-features {
  list-style: none;
  margin-bottom: 1.5rem;
}

.service-features li {
  padding: 0.5rem 0;
  color: var(--text-light);
  display: flex;
  align-items: start;
  font-size: 0.95rem;
}

.service-features li::before {
  content: '✓';
  color: var(--primary-color);
  font-weight: bold;
  margin-right: 0.75rem;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.service-link {
  color: var(--primary-color);
  font-weight: 700;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  transition: all 0.3s ease;
}

.service-link:hover {
  color: var(--primary-dark);
  gap: 0.5rem;
}

.service-link::after {
  content: '→';
  margin-left: 0.5rem;
  transition: margin-left 0.3s ease;
}

.service-link:hover::after {
  margin-left: 1rem;
}

/* ============================================
   COMPARISON TABLE SECTION
   ============================================ */
.comparison-section {
  padding: 6rem 0;
  background: white;
}

.table-responsive {
  overflow-x: auto;
  margin-top: 3rem;
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  background: white;
  box-shadow: var(--shadow-md);
  border-radius: 10px;
  overflow: hidden;
}

.comparison-table thead {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  color: white;
}

.comparison-table th {
  padding: 1.5rem 1rem;
  text-align: left;
  font-weight: 700;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.comparison-table tbody tr {
  border-bottom: 1px solid var(--border-color);
  transition: background-color 0.3s ease;
}

.comparison-table tbody tr:hover {
  background-color: rgba(0, 102, 204, 0.05);
}

.comparison-table tbody tr:last-child {
  border-bottom: none;
}

.comparison-table td {
  padding: 1.25rem 1rem;
  font-size: 0.95rem;
  color: var(--text-light);
}

.comparison-table td strong {
  color: var(--text-dark);
  font-weight: 700;
}

/* ============================================
   COMPARISON TABLE - RESPONSIVE (≤600px)
   Transforme le tableau en cartes empilées pour éviter
   le débordement horizontal sur mobile
   ============================================ */
@media (max-width: 600px) {
  .comparison-table thead {
    display: none;
  }

  .comparison-table,
  .comparison-table tbody,
  .comparison-table tr,
  .comparison-table td {
    display: block;
    width: 100%;
  }

  .comparison-table tr {
    margin-bottom: 1.25rem;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    overflow: hidden;
  }

  .comparison-table td {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    text-align: right;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-color);
  }

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

  .comparison-table td::before {
    content: attr(data-label);
    font-weight: 700;
    color: var(--primary-color);
    text-align: left;
    white-space: nowrap;
  }
}

.comparison-note {
  margin-top: 2rem;
  padding: 1.5rem;
  background: rgba(0, 102, 204, 0.05);
  border-left: 4px solid var(--primary-color);
  border-radius: 5px;
}

.comparison-note p {
  color: var(--text-light);
  font-size: 0.95rem;
  line-height: 1.7;
}

.comparison-note strong {
  color: var(--text-dark);
}

/* ============================================
   ZONE D'INTERVENTION SECTION
   ============================================ */
.zone-intervention-section {
  padding: 6rem 0;
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.zone-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  margin-top: 3rem;
  align-items: start;
}

.zone-map-placeholder {
  background: white;
  padding: 4rem 2rem;
  border-radius: 20px;
  text-align: center;
  box-shadow: var(--shadow-md);
  min-height: 400px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.map-icon {
  font-size: 5rem;
  margin-bottom: 1rem;
}

.map-description {
  font-size: 0.95rem;
  color: var(--text-light);
  margin-top: 1rem;
}

.zone-cities h3 {
  font-size: 1.8rem;
  color: var(--text-dark);
  margin-bottom: 2rem;
}

.cities-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-bottom: 2rem;
}

.city-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem;
  background: white;
  border-radius: 10px;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}

.city-item:hover {
  transform: translateX(5px);
  box-shadow: var(--shadow-md);
}

.city-icon {
  font-size: 1.5rem;
}

.city-name {
  font-weight: 600;
  color: var(--text-dark);
  flex: 1;
}

.city-distance {
  font-size: 0.85rem;
  color: var(--text-light);
}

.zone-cta {
  margin-top: 2rem;
  padding: 1.5rem;
  background: rgba(0, 102, 204, 0.1);
  border-radius: 10px;
}

.zone-cta p {
  font-size: 1rem;
  color: var(--text-dark);
  line-height: 1.7;
}

.zone-cta a {
  color: var(--primary-color);
  font-weight: 700;
  text-decoration: none;
}

.zone-cta a:hover {
  text-decoration: underline;
}

/* ============================================
   FAQ SECTION
   ============================================ */
.faq-section {
  padding: 6rem 0;
  background: white;
}

.faq-container {
  max-width: 900px;
  margin: 0 auto;
  margin-top: 3rem;
}

.faq-item {
  margin-bottom: 1.5rem;
  border: 2px solid var(--border-color);
  border-radius: 10px;
  overflow: hidden;
  transition: all 0.3s ease;
}

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

.faq-question {
  width: 100%;
  background: white;
  border: none;
  padding: 1.5rem;
  text-align: left;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-dark);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all 0.3s ease;
}

.faq-question:hover {
  background: rgba(0, 102, 204, 0.05);
}

.faq-icon {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--primary-color);
  transition: transform 0.3s ease;
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  background: rgba(0, 102, 204, 0.02);
}

.faq-item.active .faq-answer {
  max-height: 500px;
}

.faq-answer p {
  padding: 1.5rem;
  color: var(--text-light);
  line-height: 1.8;
  font-size: 1rem;
}

/* ============================================
   TESTIMONIALS SECTION
   ============================================ */
.testimonials-section {
  padding: 6rem 0;
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.testimonial-card {
  background: white;
  padding: 2.5rem;
  border-radius: 15px;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}

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

.testimonial-rating {
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  color: #ffa500;
}

.testimonial-text {
  font-size: 1.05rem;
  color: var(--text-light);
  line-height: 1.8;
  margin-bottom: 1.5rem;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding-top: 1.5rem;
  border-top: 2px solid var(--border-color);
}

.author-icon {
  font-size: 2.5rem;
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 102, 204, 0.1);
  border-radius: 50%;
}

.author-name {
  font-weight: 700;
  color: var(--text-dark);
  font-size: 1rem;
}

.author-company {
  font-size: 0.9rem;
  color: var(--text-light);
}

/* Google Review CTA */
.google-review-cta {
  margin-top: 4rem;
  text-align: center;
  padding: 3rem 2rem;
  background: white;
  border-radius: 20px;
  box-shadow: var(--shadow-md);
}

.google-review-cta h3 {
  font-size: 2rem;
  color: var(--text-dark);
  margin-bottom: 1rem;
}

.google-review-cta p {
  font-size: 1.1rem;
  color: var(--text-light);
  margin-bottom: 2rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.review-note {
  font-size: 0.9rem !important;
  margin-top: 1rem !important;
  margin-bottom: 0 !important;
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about-section {
  padding: 6rem 0;
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-text h2 {
  font-size: 2.5rem;
  color: var(--text-dark);
  margin-bottom: 1.5rem;
}

.about-text p {
  font-size: 1.1rem;
  color: var(--text-light);
  margin-bottom: 1rem;
  line-height: 1.8;
}

.about-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
}

.feature-item {
  background: white;
  padding: 1.5rem;
  border-radius: 10px;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}

.feature-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.feature-icon {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.feature-title {
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 0.5rem;
}

.feature-text {
  font-size: 0.9rem;
  color: var(--text-light);
}

.about-image-container {
  position: relative;
}

.about-image {
  width: 100%;
  height: auto;
  border-radius: 20px;
  box-shadow: var(--shadow-lg);
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta-section {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
  padding: 5rem 0;
  text-align: center;
  color: white;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg width="60" height="60" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="60" height="60" patternUnits="userSpaceOnUse"><path d="M 60 0 L 0 0 0 60" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
  opacity: 0.4;
}

.cta-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  margin: 0 auto;
}

.cta-content h2 {
  font-size: 2.75rem;
  margin-bottom: 1.5rem;
  color: white;
}

.cta-content p {
  font-size: 1.3rem;
  margin-bottom: 2.5rem;
  opacity: 0.95;
}

.cta-buttons {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact-section {
  padding: 6rem 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  margin-top: 3rem;
}

.contact-info {
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
  padding: 3rem;
  border-radius: 20px;
}

.contact-item {
  margin-bottom: 2rem;
  display: flex;
  align-items: start;
  gap: 1rem;
}

.contact-icon {
  font-size: 1.8rem;
  color: var(--primary-color);
  flex-shrink: 0;
}

.contact-details h3 {
  font-size: 1.2rem;
  color: var(--text-dark);
  margin-bottom: 0.5rem;
}

.contact-details p {
  color: var(--text-light);
  font-size: 1.1rem;
}

.contact-details a {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 600;
}

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

/* Contact Form */
.contact-form-container {
  background: white;
  padding: 3rem;
  border-radius: 20px;
  box-shadow: var(--shadow-md);
}

.contact-form .form-group {
  margin-bottom: 1.5rem;
}

.contact-form label {
  display: block;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 0.5rem;
  font-size: 1rem;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  padding: 1rem;
  border: 2px solid var(--border-color);
  border-radius: 8px;
  font-size: 1rem;
  font-family: var(--font-sans);
  transition: all 0.3s ease;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

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

.contact-form button[type="submit"] {
  width: 100%;
  margin-top: 1rem;
}

/* ============================================
   BACK TO TOP
   ============================================ */
#back-to-top {
  display: none;
  position: fixed;
  bottom: 30px;
  right: 30px;
  background-color: var(--primary-color);
  color: white;
  border: none;
  border-radius: 50%;
  width: 55px;
  height: 55px;
  font-size: 24px;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  line-height: 55px;
  text-align: center;
  font-weight: bold;
  box-shadow: var(--shadow-lg);
  z-index: 999;
}

#back-to-top:hover {
  background-color: var(--primary-dark);
  transform: translateY(-5px);
}

#back-to-top.show {
  display: block;
  animation: fadeInUp 0.3s ease-out;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .about-content,
  .contact-grid,
  .zone-content {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

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

@media (max-width: 768px) {
  .hero-title-overlay h1 {
    font-size: 2rem;
  }

  .hero-content h1 {
    font-size: 2.5rem;
  }

  .hero-content .hero-subtitle {
    font-size: 1.2rem;
  }

  .hero-content p {
    font-size: 1rem;
  }

  .section-title {
    font-size: 2rem;
  }

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

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

  .hero-buttons,
  .cta-buttons {
    flex-direction: column;
  }

  .btn-primary,
  .btn-secondary {
    width: 100%;
    text-align: center;
  }

  .comparison-table {
    font-size: 0.85rem;
  }

  .comparison-table th,
  .comparison-table td {
    padding: 0.75rem 0.5rem;
  }

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

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

/* Utility Classes */
.img-fluid {
  max-width: 100%;
  height: auto;
}

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

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }