:root {

        --primary: #0B1F3A;

        --primary-dark: #061529;

        --secondary: #1F3B5C;

        --light: #A7B1BE;

        --dark:   #373B40;

        --gray: #E6E9EF;

        --white: #ffffff;

        --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);

      }



      * {

        margin: 0;

        padding: 0;

        box-sizing: border-box;

      }



      body {

        font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;

        line-height: 1.6;

        color: var(--dark);

        background-color: var(--light);

      }



      .container {

        max-width: 1200px;

        margin: 0 auto;

        padding: 0 20px;

      }



      /* Header */

      header {

        background-color: var(--gray);

        box-shadow: var(--shadow);

        position: sticky;

        top: 0;

        z-index: 100;

      }



      .header-container {

  	  position: relative; 

	  display: flex;

        justify-content: space-between;

        align-items: center;

        padding: 15px 0;

      }



      .logo {

        font-size: 1.8rem;

        font-weight: 700;

        color: var(--dark);

        text-decoration: none;

      }



      .logo span {

        color: var(--dark);

      }



      nav ul {

        display: flex;

        list-style: none;

        gap: 30px;

      }



      nav a {

        text-decoration: none;

        color: var(--dark);

        font-weight: 500;

        transition: color 0.3s;

      }



      nav a:hover {

        color: var(--primary);

      }



      .mobile-menu-btn {

        display: none;

        background: none;

        border: none;

        font-size: 1.5rem;

        cursor: pointer;

      }



      /* Hero Section */

      .hero {

        background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('images/hero_background.webp');

        background-size: cover;

        background-position: center;

        background-attachment: fixed;

        color: var(--white);

        padding: 196px 0;

        text-align: center;

      }



      .hero h1 {

        font-size: 1.8rem;

        margin-bottom: 20px;

        line-height: 1.2;

      }



      .hero p {

        font-size: 1.2rem;

        max-width: 700px;

        margin: 0 auto 30px;

        opacity: 0.95;

      }



      .btn {

        display: inline-block;

        background-color: var(--white);

        color: var(--primary);

        padding: 12px 28px;

        border-radius: 8px;

        text-decoration: none;

        font-weight: 600;

        transition: all 0.3s;

        border: none;

        cursor: pointer;

        font-size: 1rem;

      }



      .btn-primary {

        background-color: var(--white);

        color: var(--primary);

      }



      .btn-primary:hover {

        background-color: #f1f5f9;

        transform: translateY(-2px);

      }



      .btn-secondary {

        background-color: transparent;

        color: var(--white);

        border: 2px solid var(--white);

      }



      .btn-secondary:hover {

        background-color: rgba(255, 255, 255, 0.1);

      }



      .hero-buttons {

        display: flex;

        gap: 20px;

        justify-content: center;

        flex-wrap: wrap;

      }



      /* Services Section */

      .services {

        padding: 156px 0;

      }



      .section-title {

        text-align: center;

        margin-bottom: 50px;

      }



      .section-title h2 {

        font-size: 2.2rem;

        color: var(--dark);

        margin-bottom: 10px;

      }



      .section-title::after {

        content: '';

        display: block;

        width: 60px;

        height: 4px;

        background-color: var(--primary);

        margin: 15px auto;

        border-radius: 2px;

      }



      .services-grid {

        display: grid;

        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));

        gap: 30px;

      }



      .service-card {

        background-color: var(--white);

        padding: 30px;

        border-radius: 12px;

        box-shadow: var(--shadow);

        transition: transform 0.3s, box-shadow 0.3s;

      }



      .service-card:hover {

        transform: translateY(-5px);

        box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);

      }



      .service-card h3 {

        font-size: 1.4rem;

        margin-bottom: 15px;

        color: var(--primary-dark);

      }



      .service-card p {

        color: var(--dark);

        line-height: 1.7;

      }



      /* About Section */

      .about {

        background-color: #f1f5f9;

        padding: 100px 0;

      }



      .about-content {

        display: grid;

        grid-template-columns: 1fr 1fr;

        gap: 50px;

        align-items: center;

      }



      .about-text h2 {

        font-size: 2.2rem;

        margin-bottom: 20px;

        color: var(--dark);

      }



      .about-text p {

        margin-bottom: 20px;

        color: var(--dark);

      }



      .about-image {

        text-align: center;

      }



      .about-image img {

        max-width: 80%;

        border-radius: 12px;

        box-shadow: var(--shadow);

      }



      /* Contact Section */

      .contact {

        padding:150px 0;

      }



      .contact-container {

        max-width: 600px;

        margin: 0 auto;

        text-align: center;

      }



      .contact h2 {

        font-size: 2.2rem;

        margin-bottom: 20px;

        color: var(--dark);

      }



      .contact p {

        color: var(--gray);

        margin-bottom: 40px;

      }



      .contact-form {

        display: grid;

        gap: 20px;

        text-align: left;

      }



      .form-group {

        display: flex;

        flex-direction: column;

        gap: 8px;

      }



      .form-group label {

        font-weight: 600;

        color: var(--dark);

      }



      .form-group input,

      .form-group textarea {

        padding: 12px 15px;

        border: 1px solid #e2e8f0;

        border-radius: 8px;

        font-size: 1rem;

        transition: border-color 0.3s;

      }



      .form-group input:focus,

      .form-group textarea:focus {

        outline: none;

        border-color: var(--primary);

      }



      .form-group textarea {

        min-height: 150px;

        resize: vertical;

      }



      .form-group .btn {

        width: 100%;

        padding: 14px;

        font-size: 1.1rem;

      }



      /* Footer */

      footer {

        background-color: var(--dark);

        color: var(--white);

        padding: 40px 0 20px;

      }




      .footer-content {

        display: grid;

        grid-template-columns: 1fr;

        gap: 40px;

        margin-bottom: 30px;

      }



      .footer-main {

        display: flex;

        justify-content: space-between;

        align-items: center;

        width: 100%;

      }



      .footer-section h3 {

        font-size: 1.2rem;

        margin-bottom: 0;

        color: var(--white);

      }



      .footer-links {

        display: flex;

        gap: 15px;

        justify-content: flex-end;

        align-items: center;

        flex-wrap: wrap;

      }



      .footer-links a {

        color: #cbd5e1;

        text-decoration: none;

        transition: color 0.3s;

      }



      .footer-links a:hover {

        color: var(--white);

      }



      .footer-bottom {

        text-align: center;

        padding-top: 20px;

        border-top: 1px solid #334155;

        color: #94a3b8;

        font-size: 0.9rem;

      }

/* ===== POP-UP AVEC ANIMATION (BAS → HAUT) ===== */
.popup {
  display: none;
  position: fixed;
  left: 50%;
  transform: translateX(-50%);
  width: 90%;
  max-width: 900px;
  height: 90vh;
  bottom: -90vh; /* ⬅️ Position initiale : caché sous l'écran */
  background: white;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
  z-index: 9999;
  transition: bottom 0.3s ease-out; /* ⬅️ Animation fluide */
  overflow: hidden;
}

.popup.open {
  bottom: 0; /* ⬅️ Position finale : visible */
}

.popup-close {
  position: absolute;
  top: 10px;
  right: 10px;
  font-size: 24px;
  background: none;
  border: none;
  cursor: pointer;
  color: #373B40;
  z-index: 1;
}

#popup-iframe {
  width: 100%;
  height: calc(100% - 40px);
  border: none;
  overflow: auto;
}

/* ===== POP-UP DE CONFIRMATION ===== */
.confirmation-popup {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5); /* Fond gris semi-transparent */
  z-index: 10000; /* Au-dessus de tout */
  justify-content: center;
  align-items: center;
}

.confirmation-content {
  background: white;
  padding: 20px 30px;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
  text-align: center;
  max-width: 400px;
}

@media (max-width: 768px) {
  /* VOTRE CODE EXISTANT POUR LE MENU MOBILE */
  .header-container {
    flex-wrap: wrap;
    gap: 20px;
  }

  nav ul {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    left: auto;
    min-width: 200px;
    background-color: var(--gray);
    flex-direction: column;
    gap: 15px;
    padding: 15px;
    box-shadow: var(--shadow);
    z-index: 99;
    margin: 0;
  }

  nav ul.active {
    display: flex;
  }

  .mobile-menu-btn {
    display: block;
    background: none;
    border: none;
    font-size: 1.8rem;
    cursor: pointer;
    color: var(--dark);
    margin-right: 15px;
  }

  
        .hero h1 {

          font-size: 2.2rem;

        }



        .hero p {

          font-size: 1rem;

        }



        .about-content {

          grid-template-columns: 1fr;

          gap: 30px;

        }



        .about-image {

          order: -1;

        }



        .services-grid {

          grid-template-columns: 1fr;

        }
}