/* ========================================
   STYLES GÉNÉRAUX ET VARIABLES CSS
   ======================================== */

:root {
  /* Couleurs principales */
  --primary-blue: #04315b;
  --secondary-blue: #143b75;
  --accent-red: #ed2c33;
  --accent-red-hover: #b81f29;
  
  /* Couleurs neutres */
  --white: #ffffff;
  --light-gray: #f8fafc;
  --medium-gray: #6b7280;
  --dark-gray: #374151;
  --text-dark: #222222;
  --text-medium: #444444;
  --text-light: #333333;
  
  /* Backgrounds */
  --bg-light-blue: #f4f7fb;
  --bg-overlay: #04315bde;
  
  /* Ombres */
  --shadow-light: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-medium: 0 2px 14px rgba(24, 61, 106, 0.08);
  --shadow-card: 0 2px 22px rgba(28, 32, 65, 0.06);
  --shadow-button: 0 4px 16px rgba(0, 0, 0, 0.1);
  
  /* Espacements */
  --spacing-xs: 8px;
  --spacing-sm: 16px;
  --spacing-md: 24px;
  --spacing-lg: 32px;
  --spacing-xl: 48px;
  
  /* Border radius */
  --radius-sm: 12px;
  --radius-md: 16px;
  --radius-lg: 28px;
  --radius-full: 50%;
  --radius-button: 40px;
  
  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-medium: 0.2s ease;
}

/* Police globale pour tout le site */
*, 
*::before, 
*::after {
  box-sizing: border-box;
}

body {
  font-family: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  font-weight: 400;
  line-height: 1.6;
  color: var(--text-dark);
  margin: 0;
  padding: 0;
}

/* Titres avec police uniforme */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  line-height: 1.3;
  margin: 0 0 1rem 0;
}

/* Liens avec police uniforme */
a {
  font-family: 'Montserrat', sans-serif;
  text-decoration: none;
  color: inherit;
}

/* Boutons avec police uniforme */
button, 
.btn, 
.hero-btn, 
.phone-btn {
  font-family: 'Montserrat', sans-serif;
}

/* ========================================
   HEADER - NAVIGATION PRINCIPALE
   ======================================== */

.main-header {
  background: var(--white);
  box-shadow: var(--shadow-light);
  position: relative;
  z-index: 100;
}

.header-container {
  max-width: 1240px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-xs) 30px;
}

.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  color: inherit;
  gap: var(--spacing-xs);
}

.site-title {
  font-size: 1.32rem;
  color: var(--dark-gray);
  font-weight: 600;
}

.site-title strong {
  color: var(--primary-blue);
}

.main-nav ul {
  display: flex;
  gap: 38px;
  list-style: none;
  margin: 0;
  padding: 0;
  align-items: center;
}

.main-nav a {
  color: var(--primary-blue);
  text-decoration: none;
  font-weight: 500;
  font-size: 1.04rem;
  padding: 4px var(--spacing-xs);
  transition: color var(--transition-fast);
  border-radius: 6px;
}

.main-nav a:hover {
  color: var(--accent-red);
  background: rgba(237, 44, 51, 0.05);
}

/* Dropdown Menu Styles */
.main-nav li {
  position: relative;
}

.dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  background: var(--white);
  min-width: 220px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
  border-radius: var(--spacing-xs);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-15px);
  transition: all var(--transition-medium);
  z-index: 1000;
  border: 1px solid rgba(4, 49, 91, 0.1);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.main-nav li:hover .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown li {
  width: 100%;
  margin: 0;
  display: block;
}

.dropdown a {
  display: block;
  padding: 10px 20px;
  color: var(--primary-blue);
  font-size: 0.95rem;
  font-weight: 500;
  border-radius: 0;
  transition: all var(--transition-fast);
  border-bottom: 1px solid rgba(4, 49, 91, 0.08);
  background: transparent;
  text-align: left;
}

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

.dropdown a:hover {
  background: #2563eb;
  color: var(--white);
  padding-left: 24px;
}

/* Animation pour l'icône FontAwesome */
.main-nav li:has(.dropdown) .fa-chevron-down {
  transition: transform var(--transition-fast);
  font-size: 0.8rem;
  margin-left: 6px;
}

.main-nav li:has(.dropdown):hover .fa-chevron-down {
  transform: rotate(180deg);
}

.phone-btn {
  background: var(--accent-red);
  color: var(--white);
  font-size: 1.03rem;
  border-radius: 21px;
  padding: 10px 26px;
  font-weight: 600;
  text-decoration: none;
  margin-left: 30px;
  display: inline-block;
  letter-spacing: 0.5px;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-button);
}

.phone-btn:hover {
  background: var(--accent-red-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(237, 44, 51, 0.25);
}

/* ========================================
   HERO SECTION - SECTION PRINCIPALE
   ======================================== */

.hero-section {
  position: relative;
  background: url('/img/hero-bg.jpg') center/cover no-repeat;
  min-height: 480px;
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.hero-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--bg-overlay);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 900px;
  margin: 0 auto;
  padding: var(--spacing-xl) var(--spacing-lg);
}

.hero-content h1 {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 18px;
  line-height: 1.2;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-content p {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-lg);
  line-height: 1.6;
  opacity: 0.95;
}

.hero-features {
  display: flex;
  justify-content: center;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-lg);
  flex-wrap: wrap;
}

.feature {
  display: flex;
  flex-direction: column;
  align-items: center;
  color: var(--white);
  font-size: 1.1rem;
  max-width: 200px;
}

.feature i {
  background: var(--accent-red);
  border-radius: var(--radius-full);
  padding: var(--spacing-sm);
  font-size: 1.6rem;
  margin-bottom: 10px;
  box-shadow: var(--shadow-button);
  transition: transform var(--transition-medium);
}

.feature:hover i {
  transform: scale(1.1);
}

.hero-btn {
  background: var(--accent-red);
  color: var(--white);
  padding: var(--spacing-sm) 38px;
  border-radius: var(--radius-button);
  text-decoration: none;
  font-weight: 600;
  font-size: 1.1rem;
  transition: all var(--transition-medium);
  box-shadow: var(--shadow-button);
  display: inline-block;
  letter-spacing: 1px;
  border: 2px solid transparent;
}

.hero-btn:hover {
  background: var(--accent-red-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(237, 44, 51, 0.3);
}

/* ========================================
   ABOUT SECTION - SECTIONS À PROPOS
   ======================================== */

.about-hero-grid,
.about-mission-grid,
.about-mission-values-grid {
  display: grid;
  gap: 38px;
  align-items: center;
  margin: 54px auto;
  max-width: 1150px;
  padding: 0 20px;
}

.about-hero-grid {
  grid-template-columns: 1.1fr 1fr;
}

.about-hero-left h2 {
  font-size: 2.2rem;
  color: var(--secondary-blue);
  margin-bottom: var(--spacing-sm);
  font-weight: 800;
  line-height: 1.3;
}

.about-hero-left p {
  font-size: 1.12rem;
  color: var(--text-medium);
  margin-bottom: 28px;
  line-height: 1.6;
}

.about-hero-right {
  background: var(--light-gray);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 36px var(--spacing-lg);
  border: 1px solid rgba(4, 49, 91, 0.05);
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.feature-row {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-xs);
  border-radius: var(--spacing-xs);
  transition: background var(--transition-fast);
}

.feature-row:hover {
  background: rgba(237, 44, 51, 0.05);
}

.feature-icon {
  background: var(--accent-red);
  color: var(--white);
  border-radius: var(--radius-full);
  padding: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  box-shadow: var(--shadow-medium);
  flex-shrink: 0;
}

.feature-label {
  font-size: 1.11rem;
  color: var(--secondary-blue);
  font-weight: 600;
}

/* ========================================
   MISSION SECTION
   ======================================== */

.about-mission-grid {
  background: var(--bg-light-blue);
  border-radius: var(--radius-lg);
  padding: 36px var(--spacing-md);
  grid-template-columns: 1fr 1.2fr;
  gap: 38px;
  margin-top: 38px;
  border: 1px solid rgba(4, 49, 91, 0.08);
}

.about-mission-left {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.about-img-lg {
  width: 250px;
  border-radius: var(--radius-md);
  object-fit: cover;
  margin-bottom: var(--spacing-xs);
  box-shadow: var(--shadow-medium);
  transition: transform var(--transition-medium);
}

.about-img-lg:hover {
  transform: scale(1.02);
}

.about-img-sm {
  width: 140px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  box-shadow: var(--shadow-medium);
  transition: transform var(--transition-medium);
}

.about-img-sm:hover {
  transform: scale(1.05);
}

.about-mission-right h2 {
  font-size: 1.8rem;
  color: var(--secondary-blue);
  margin-bottom: var(--spacing-sm);
  font-weight: 800;
  line-height: 1.3;
}

.about-mission-right p {
  font-size: 1.08rem;
  color: var(--text-light);
  margin-bottom: 20px;
  line-height: 1.6;
}

/* ========================================
   VALUES SECTION
   ======================================== */

.about-mission-values-grid {
  grid-template-columns: 1fr 1fr;
  margin-top: 38px;
  gap: var(--spacing-md);
}

.about-mission-col {
  padding: 40px var(--spacing-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  min-height: 230px;
  transition: transform var(--transition-medium);
}

.about-mission-col:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(28, 32, 65, 0.15);
}

.bg-blue {
  background: var(--secondary-blue);
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.bg-blue::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
  pointer-events: none;
}

.bg-blue h2 { 
  color: var(--white);
  position: relative;
  z-index: 1;
}

.bg-blue p { 
  color: #e9eff6;
  position: relative;
  z-index: 1;
}

.bg-light {
  background: var(--light-gray);
  color: var(--secondary-blue);
  border: 1px solid rgba(4, 49, 91, 0.08);
}

.bg-light h2 { 
  color: var(--secondary-blue);
}

/* ========================================
   FOOTER
   ======================================== */

.site-footer {
  background: var(--white);
  border-top: 2px solid #edf2f7;
  padding: var(--spacing-xl) 0 var(--spacing-md) 0;
  color: var(--text-dark);
}

.footer-container {
  display: flex;
  max-width: 1200px;
  margin: auto;
  gap: 54px;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: center;
  padding: 0 20px;
}

.footer-brand {
  flex: 1 1 320px;
  min-width: 280px;
  text-align: left;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  margin-bottom: var(--spacing-lg);
}

.footer-brand img {
  margin-bottom: var(--spacing-sm);
}

.footer-desc {
  margin: 6px 0 18px 0;
  color: var(--text-medium);
  font-size: 1.04rem;
  line-height: 1.6;
}

.footer-siret {
  font-size: 0.98rem;
  color: var(--medium-gray);
  margin-bottom: var(--spacing-sm);
}

.footer-socials {
  display: flex;
  gap: 14px;
  margin-top: 4px;
}

.footer-socials a {
  font-size: 1.5rem;
  color: var(--white);
  background: var(--text-dark);
  border-radius: var(--radius-full);
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-medium);
}

.footer-socials a:hover {
  background: var(--accent-red);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(237, 44, 51, 0.3);
}

.footer-links {
  display: flex;
  flex: 2 1 400px;
  gap: 56px;
  justify-content: flex-end;
  min-width: 360px;
  margin-bottom: var(--spacing-lg);
}

.footer-links h4 {
  font-size: 1.17rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  color: var(--text-dark);
}

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

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: #232b4d;
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition-fast);
  font-size: 1.05rem;
  padding: 2px 0;
  border-radius: 4px;
}

.footer-links a:hover {
  color: var(--accent-red);
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

/* Tablettes */
@media (max-width: 1000px) {
  .about-hero-grid, 
  .about-mission-grid, 
  .about-mission-values-grid {
    grid-template-columns: 1fr;
    padding: 0 var(--spacing-sm);
    gap: var(--spacing-lg);
  }

  .about-mission-col { 
    padding: var(--spacing-lg) var(--spacing-md);
  }

  .about-hero-right, 
  .about-mission-right { 
    padding: var(--spacing-lg) var(--spacing-md);
  }

  .about-img-lg, 
  .about-img-sm { 
    width: 100%; 
    max-width: 220px;
  }
}

@media (max-width: 950px) {
  .footer-container {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-lg);
  }

  .footer-links { 
    gap: var(--spacing-lg); 
    min-width: 0; 
    width: 100%;
  }
}

/* Navigation responsive */
@media (max-width: 900px) {
  .header-container { 
    flex-direction: column; 
    align-items: stretch; 
    gap: var(--spacing-sm); 
    padding: var(--spacing-xs) 10px;
  }

  .main-nav ul { 
    gap: 18px;
    justify-content: center;
  }

  .phone-btn { 
    margin-left: 0; 
    align-self: center;
  }

  .site-title { 
    font-size: 1.1rem;
  }

  /* Dropdown responsive */
  .dropdown {
    position: static;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(4, 49, 91, 0.1);
    border-radius: var(--spacing-xs);
    margin-top: var(--spacing-xs);
    background: var(--light-gray);
    opacity: 0;
    visibility: hidden;
    transform: none;
    max-height: 0;
    overflow: hidden;
    transition: all var(--transition-medium);
  }

  .main-nav li:hover .dropdown {
    opacity: 1;
    visibility: visible;
    max-height: 200px;
  }

  .dropdown a {
    padding: 10px 16px;
    font-size: 0.9rem;
  }

  .dropdown a:hover {
    padding-left: 20px;
  }
}

/* Mobile */
@media (max-width: 700px) {
  .hero-content h1 { 
    font-size: 2.2rem;
  }

  .hero-features { 
    flex-direction: column; 
    gap: var(--spacing-md);
  }

  .hero-content { 
    padding: var(--spacing-lg) 10px;
  }

  .about-hero-left h2, 
  .about-mission-right h2, 
  .about-mission-col h2 { 
    font-size: 1.4rem;
  }

  .about-hero-left, 
  .about-hero-right { 
    padding: 20px var(--spacing-xs);
  }

  .about-mission-grid, 
  .about-mission-values-grid { 
    padding: 18px var(--spacing-xs);
  }

  .hero-btn { 
    padding: 12px 20px; 
    font-size: 1rem;
  }
}

@media (max-width: 600px) {
  .site-footer { 
    padding: 28px 0 14px 0;
  }

  .footer-brand { 
    align-items: center; 
    text-align: center;
  }

  .footer-links { 
    flex-direction: column; 
    align-items: center; 
    width: 100%;
  }

  .footer-links > div { 
    margin-bottom: 14px; 
    text-align: center;
  }
}