:root {
  --camjets-navy: #3a428c;
  --camjets-cyan: #00a4e4;
  --flag-green: #007a5e;
  --flag-red: #ce1126;
  --flag-yellow: #fcd116;
  
  --bg-white: #ffffff;
  --bg-light: #f4f6f9;
  --text-dark: #1e293b;
  --text-muted: #64748b;
  
  --font-main: 'Helvetica Neue', Arial, sans-serif;
  --radius-md: 8px;
  --radius-lg: 16px;
  --shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 10px 25px rgba(58, 66, 140, 0.1);
  --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

html, body {
  font-family: var(--font-main);
  color: var(--text-dark);
  background-color: var(--bg-white);
  line-height: 1.6;
  max-width: 100%;
  overflow-x: hidden; 
}

/* Animations Scroll */
.fade-in-section {
  opacity: 0;
  transform: translateY(80px);
  visibility: hidden;
  transition: opacity 1s cubic-bezier(0.25, 0.8, 0.25, 1), 
              transform 1s cubic-bezier(0.25, 0.8, 0.25, 1);
  will-change: opacity, visibility, transform;
}
.fade-in-section.is-visible {
  opacity: 1;
  transform: translateY(0);
  visibility: visible;
}

/* Header & Nav */
header {
  position: fixed;
  top: 0; width: 100%;
  z-index: 9999;
  padding: 1rem 5%;
  transition: var(--transition);
  background: white;
  box-shadow: var(--shadow-sm);
}
.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
}
.logo { display: flex; align-items: center; gap: 15px; text-decoration: none; }
.logo img { height: 60px; transition: var(--transition); }
.logo-text { font-size: 1.2rem; font-weight: 800; color: var(--camjets-navy); letter-spacing: 0.5px; line-height: 1.2; }

nav ul { display: flex; gap: 1.5rem; list-style: none; align-items: center;}
nav a { text-decoration: none; color: var(--camjets-navy); font-weight: 600; font-size: 0.95rem; position: relative; transition: var(--transition); }
nav a::after { content: ''; position: absolute; width: 0; height: 2px; bottom: -4px; left: 0; background-color: var(--camjets-cyan); transition: var(--transition); }
nav a:hover::after { width: 100%; }

.btn-quote { background-color: var(--camjets-cyan); color: white; padding: 0.6rem 1.5rem; border-radius: 50px; text-decoration: none; font-weight: bold; transition: var(--transition); border: 2px solid transparent; display: inline-block; }
.btn-quote:hover { background-color: var(--camjets-navy); transform: translateY(-2px); box-shadow: var(--shadow-md); }

.lang-switcher a { display: flex; align-items: center; gap: 8px; font-weight: 700; color: var(--camjets-navy); text-transform: uppercase; font-size: 0.9rem; padding: 5px 10px; border-radius: 4px; }
.lang-switcher img { width: 20px; border-radius: 2px; }

/* Global Sections */
section { padding: 6rem 5%; max-width: 1200px; margin: 0 auto; }
.section-title { text-align: center; color: var(--camjets-navy); font-size: 2.5rem; margin-bottom: 3rem; position: relative; }
.section-title::after { content: ''; display: block; width: 60px; height: 4px; background: linear-gradient(to right, var(--flag-green), var(--flag-red), var(--flag-yellow)); margin: 1rem auto 0; border-radius: 2px; }

.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
.about-img { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-md); }
.about-img img { width: 100%; display: block; }

/* Cahier Animé 3D */
.notebook-wrapper {
    perspective: 1200px; width: 100%; max-width: 650px; height: 400px;
    margin: 4rem auto 0; position: relative; clear: both; z-index: 10;
}
.notebook { width: 100%; height: 100%; position: relative; transform-style: preserve-3d; }
.page {
    width: 100%; height: 100%; position: absolute; top: 0; left: 0;
    transform-origin: left center;
    transition: transform 1.5s cubic-bezier(0.645, 0.045, 0.355, 1);
    border-radius: 0 15px 15px 0;
    box-shadow: inset -5px 0 15px rgba(0,0,0,0.1), 5px 5px 15px rgba(0,0,0,0.2);
    overflow: hidden; background: #fff;
    backface-visibility: hidden; 
    -webkit-backface-visibility: hidden;
}
.page.flipped { transform: rotateY(-180deg); }
.page img { width: 100%; height: 100%; object-fit: cover; }
.page-title {
    position: absolute; bottom: 20px; left: 20px;
    background: rgba(58, 66, 140, 0.9); color: white;
    padding: 10px 20px; font-size: 1.2rem; font-weight: bold; border-radius: 5px;
}

/* Valeurs */
.values-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; margin-top: 1.5rem; }
.value-item { display: flex; align-items: center; gap: 1rem; font-weight: 600; color: var(--camjets-navy); }
.icon-box {
  width: 45px; height: 45px; background-color: rgba(0, 164, 227, 0.1); border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition); animation: pulse-glow 3s infinite alternate;
}
.icon-box svg { width: 24px; height: 24px; }
@keyframes pulse-glow {
    0% { box-shadow: 0 0 0 0 rgba(0, 164, 227, 0.4); transform: scale(1); }
    100% { box-shadow: 0 0 15px 5px rgba(0, 164, 227, 0.1); transform: scale(1.05); }
}

/* Cartes & Grilles */
.grid-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 2rem; }
.card {
  background: var(--bg-white); border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: var(--shadow-sm); transition: all 0.4s ease; border-bottom: 4px solid var(--camjets-cyan);
}
.card:hover { transform: translateY(-10px) !important; box-shadow: var(--shadow-md); border-bottom-color: var(--camjets-navy); }
.card-img-wrapper { height: 200px; overflow: hidden; }
.card-img-wrapper img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.card:hover .card-img-wrapper img { transform: scale(1.05); }
.card-content { padding: 1.5rem; }
.card-content h4 { color: var(--camjets-navy); margin-bottom: 0.5rem; font-size: 1.25rem; }

/* Vision & Mission */
.p-0 { padding: 0 !important; max-width: 100% !important; }
.vm-container { display: flex; align-items: center; position: relative; min-height: 60vh; overflow: hidden; }
.vm-image { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background-size: cover; background-position: center; background-attachment: fixed; z-index: 1; }
.vm-image::after { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.4); }
.vm-content { position: relative; z-index: 2; background: white; padding: 3rem; margin-left: 10%; max-width: 500px; box-shadow: var(--shadow-md); border-left: 5px solid var(--camjets-cyan); }
.vm-container.reverse .vm-content { margin-left: auto; margin-right: 10%; border-left: none; border-right: 5px solid var(--camjets-cyan); }
.vm-content h3 { color: var(--camjets-navy); font-size: 2rem; margin-bottom: 1rem; }

/* Partenaires Carousel */
.partners-carousel { width: 100%; max-width: 100%; overflow: hidden; position: relative; padding: 2rem 0; white-space: nowrap; }
.carousel-track { display: inline-block; animation: scroll-partners 25s linear infinite; }
.carousel-track:hover { animation-play-state: paused; }
.carousel-track img { height: 110px; margin: 0 50px; vertical-align: middle; transition: transform 0.3s ease; display: inline-block; }
.carousel-track img:hover { transform: scale(1.1); }
@keyframes scroll-partners { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

/* Stats & Formulaire */
.stats-banner { background-color: var(--camjets-navy); color: white; padding: 4rem 5%; position: relative; }
.stats-banner::before { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 5px; background: linear-gradient(to right, var(--flag-green), var(--flag-red), var(--flag-yellow)); }
.stats-grid { max-width: 1200px; margin: 0 auto; display: flex; justify-content: space-around; text-align: center; }
.stat-item h4 { font-size: 3rem; color: var(--camjets-cyan); margin-bottom: 0.5rem; }

.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; }
.contact-info { background: var(--bg-light); padding: 2rem; border-radius: var(--radius-lg); border-left: 5px solid var(--camjets-navy); }
.form-group { margin-bottom: 1.5rem; }
.form-group input, .form-group select, .form-group textarea { width: 100%; padding: 1rem; border: 1px solid #ddd; border-radius: var(--radius-md); font-family: var(--font-main); transition: var(--transition); }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { outline: none; border-color: var(--camjets-cyan); box-shadow: 0 0 0 3px rgba(0, 164, 227, 0.1); }
button[type="submit"] { background-color: var(--camjets-navy); color: white; border: none; padding: 1rem 2rem; border-radius: 50px; cursor: pointer; font-weight: bold; width: 100%; transition: var(--transition); }

/* Footer */
footer { background-color: var(--camjets-navy); color: white; padding: 4rem 5% 2rem; border-top: 5px solid var(--camjets-cyan); }
.footer-grid { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 2rem; margin-bottom: 3rem; }
.footer-col h4 { color: var(--camjets-cyan); margin-bottom: 1.5rem; }
.footer-col ul { list-style: none; }
.footer-col ul a { color: #cbd5e1; text-decoration: none; transition: var(--transition); }
.footer-col ul a:hover { color: white; padding-left: 5px; }
.footer-contact-info { display: flex; flex-direction: column; gap: 10px; margin-top: 15px; }
.footer-contact-link { color: #ffffff; text-decoration: none; font-size: 14px; transition: opacity 0.2s ease; }
.footer-contact-link:hover { opacity: 0.8; text-decoration: underline; }
.footer-bottom { text-align: center; padding-top: 2rem; border-top: 1px solid rgba(255, 255, 255, 0.1); font-size: 0.85rem; color: #cbd5e1; }

/* Boutons Flottants WhatsApp & Actions Mobile */
.whatsapp-float { position: fixed; bottom: 30px; right: 30px; background-color: #25d366; color: white; border-radius: 50px; width: 60px; height: 60px; display: flex; align-items: center; justify-content: center; box-shadow: 2px 2px 15px rgba(0,0,0,0.2); z-index: 10000; transition: transform 0.3s ease; }
.whatsapp-float:hover { transform: scale(1.1) translateY(-5px); }

.mobile-floating-actions { position: fixed; bottom: 20px; right: 20px; display: flex; flex-direction: column; align-items: flex-end; gap: 12px; z-index: 99999; }
.devis-btn { background-color: #1B365D; color: #FFFFFF !important; padding: 12px 22px; border-radius: 50px; font-weight: 600; font-size: 14px; border: 1px solid rgba(255, 255, 255, 0.2); cursor: pointer; white-space: nowrap; box-shadow: 0 4px 15px rgba(27, 54, 93, 0.35); transition: all 0.3s ease; display: flex; align-items: center; gap: 8px; }
.whatsapp-btn { background-color: #25D366; color: #FFFFFF !important; width: 50px; height: 50px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 24px; box-shadow: 0 4px 15px rgba(0,0,0,0.25); text-decoration: none; }

/* Responsive Mobile */
.menu-toggle { display: none; background: none; border: none; cursor: pointer; }
.desktop-only { display: block; }
.mobile-only-btn { display: none; }

@media (max-width: 992px) {
  .nav-container { justify-content: space-between; padding: 0.5rem 1rem; position: relative; }
  .logo img { height: 45px; }
  .logo-text { font-size: 1rem; max-width: 120px; line-height: 1.1; }
  .desktop-only { display: none; }
  .menu-toggle { display: block; }
  nav { position: absolute; top: 100%; left: 0; width: 100%; background: rgba(255, 255, 255, 0.98); opacity: 0; visibility: hidden; transform: translateY(-20px); transition: all 0.3s ease; z-index: 10000; }
  nav.active { opacity: 1; visibility: visible; transform: translateY(0); }
  nav ul { flex-direction: column; padding: 2rem 1rem; gap: 1.5rem; align-items: center; }
  .mobile-only-btn { display: block; margin-top: 1rem; }
  .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .notebook-wrapper { height: 300px; }
  .vm-container { min-height: 50vh; align-items: flex-end; }
  .vm-content, .vm-container.reverse .vm-content { margin: 0; width: 100%; max-width: 100%; border-left: none; border-right: none; border-top: 5px solid var(--camjets-cyan); padding: 2rem; }
  .stats-grid { flex-direction: column; gap: 3rem; }
}