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

    body {
      font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, sans-serif;
      background: #fefdf8;
      color: #1f2a2f;
      scroll-behavior: smooth;
      line-height: 1.5;
    }

    /* police google font pour modernité */
    @import url('https://fonts.googleapis.com/css2?family=Inter:opsz,wght@14..32,300;14..32,400;14..32,600;14..32,700;14..32,800&display=swap');

    /* container général avec max-width 1460px */
    .container {
      max-width: 1460px;
      margin: 0 auto;
      padding: 0 2rem;
    }

    /* sections spacing */
    section {
      padding: 5rem 0;
    }

    /* header + nav */
    header {
      background: rgba(255, 253, 248, 0.96);
      backdrop-filter: blur(2px);
      position: sticky;
      top: 0;
      z-index: 100;
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.02), 0 1px 0 rgba(0, 0, 0, 0.05);
      border-bottom: 1px solid #e9e3d5;
    }

    .nav-bar {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      padding: 1.2rem 0;
      gap: 1rem;
    }

    .logo {
      font-size: 1.8rem;
      font-weight: 800;
      letter-spacing: -0.01em;
      background: linear-gradient(135deg, #2c6e4f, #4c9f70);
      background-clip: text;
      -webkit-background-clip: text;
      color: transparent;
      display: flex;
      align-items: center;
      gap: 0.5rem;
    }

    .logo span {
      font-size: 2rem;
    }

    .nav-links {
      display: flex;
      gap: 2rem;
      flex-wrap: wrap;
      list-style: none;
    }

    .nav-links a {
      text-decoration: none;
      font-weight: 600;
      color: #2d3e3b;
      transition: 0.2s ease;
      display: inline-flex;
      align-items: center;
      gap: 0.4rem;
      font-size: 1rem;
      padding: 0.4rem 0;
      border-bottom: 2px solid transparent;
    }

    .nav-links a:hover {
      color: #2c6e4f;
      border-bottom-color: #4c9f70;
    }

    /* emojis pour navigation */
    .nav-links a::before {
      content: attr(data-emoji);
      font-size: 1.1rem;
    }

    /* bouton CTA */
    .btn-primary {
      background: #2c6e4f;
      color: white;
      border: none;
      padding: 0.9rem 1.8rem;
      border-radius: 60px;
      font-weight: 700;
      font-size: 1rem;
      cursor: pointer;
      transition: all 0.2s ease;
      display: inline-flex;
      align-items: center;
      gap: 0.6rem;
      box-shadow: 0 8px 16px -8px rgba(44, 110, 79, 0.3);
    }

    .btn-primary:hover {
      background: #1e543c;
      transform: translateY(-3px);
      box-shadow: 0 14px 22px -10px rgba(44, 110, 79, 0.4);
    }

    .btn-outline {
      background: transparent;
      border: 2px solid #2c6e4f;
      color: #2c6e4f;
      padding: 0.8rem 1.6rem;
      border-radius: 60px;
      font-weight: 600;
      transition: 0.2s;
      display: inline-flex;
      align-items: center;
      gap: 0.6rem;
      cursor: pointer;
    }

    .btn-outline:hover {
      background: #2c6e4f10;
      transform: translateY(-2px);
    }

    /* Hero */
    .hero {
      background: linear-gradient(145deg, #faf7ef 0%, #f0f3ea 100%);
      border-radius: 0 0 3rem 3rem;
      margin-top: -0.5rem;
    }

    .hero-grid {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 3rem;
    }

    .hero-content {
      flex: 1.2;
    }

    .hero-badge {
      background: #ffeacc;
      display: inline-flex;
      align-items: center;
      gap: 0.6rem;
      padding: 0.5rem 1.2rem;
      border-radius: 40px;
      font-size: 0.9rem;
      font-weight: 600;
      color: #b45f1b;
      margin-bottom: 1.5rem;
    }

    .hero-content h1 {
      font-size: 3.2rem;
      font-weight: 800;
      line-height: 1.2;
      letter-spacing: -0.02em;
      margin-bottom: 1.2rem;
      color: #1f2e2a;
    }

    .hero-content p {
      font-size: 1.2rem;
      color: #4a5b56;
      margin-bottom: 2rem;
      max-width: 90%;
    }

    .hero-actions {
      display: flex;
      gap: 1.2rem;
      flex-wrap: wrap;
    }

    .hero-emoji-deco {
      flex: 0.8;
      text-align: center;
      font-size: 8rem;
      line-height: 1;
      background: #ffffffaa;
      backdrop-filter: blur(4px);
      border-radius: 4rem;
      padding: 1rem;
    }

    /* section title */
    .section-title {
      font-size: 2.3rem;
      font-weight: 800;
      text-align: center;
      margin-bottom: 3rem;
      color: #1f2e2a;
      letter-spacing: -0.01em;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 0.8rem;
      flex-wrap: wrap;
    }

    .section-title span {
      font-size: 2.5rem;
    }

    /* mission cards emoji style */
    .mission-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
      gap: 2rem;
      margin-top: 1rem;
    }

    .mission-card {
      background: white;
      padding: 2rem 1.8rem;
      border-radius: 2rem;
      box-shadow: 0 12px 24px -12px rgba(0, 0, 0, 0.08);
      transition: all 0.25s ease;
      text-align: center;
      border: 1px solid #f0e9dc;
    }

    .mission-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 24px 32px -16px rgba(44, 110, 79, 0.12);
      border-color: #d9e0cf;
    }

    .mission-emoji {
      font-size: 3.2rem;
      margin-bottom: 1rem;
      display: inline-block;
    }

    .mission-card h3 {
      font-size: 1.6rem;
      margin-bottom: 1rem;
      font-weight: 700;
    }

    /* projets cards */
    .projects-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 2rem;
    }

    .project-card {
      background: white;
      border-radius: 1.8rem;
      overflow: hidden;
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.03);
      transition: 0.2s;
      border: 1px solid #efe7d8;
    }

    .project-card:hover {
      transform: translateY(-6px);
      box-shadow: 0 24px 36px -14px rgba(0, 0, 0, 0.1);
    }

    .project-emoji {
      font-size: 4rem;
      background: #eef4ea;
      padding: 1.8rem;
      text-align: center;
    }

    .project-info {
      padding: 1.8rem;
    }

    .project-info h3 {
      font-size: 1.5rem;
      margin-bottom: 0.6rem;
    }

    .project-tag {
      display: inline-flex;
      align-items: center;
      gap: 0.4rem;
      background: #f6f2e8;
      padding: 0.3rem 1rem;
      border-radius: 30px;
      font-size: 0.8rem;
      margin: 0.8rem 0;
      font-weight: 500;
    }

    /* impliquez-vous (2 colonnes) */
    .involve-wrapper {
      display: flex;
      flex-wrap: wrap;
      gap: 2rem;
      background: linear-gradient(115deg, #ffffff 0%, #fcf9f2 100%);
      border-radius: 2.5rem;
      padding: 2rem;
      border: 1px solid #e4dccb;
    }

    .involve-card {
      flex: 1;
      background: white;
      border-radius: 1.8rem;
      padding: 2rem;
      text-align: center;
      box-shadow: 0 6px 14px rgba(0, 0, 0, 0.02);
      transition: all 0.2s;
      border: 1px solid #eee7dd;
    }

    .involve-card .emoji-big {
      font-size: 3.5rem;
      margin-bottom: 0.8rem;
    }

    .involve-card h3 {
      font-size: 1.8rem;
      margin-bottom: 0.6rem;
    }

    .btn-secondary {
      background: #f3d9b1;
      color: #4c3a1f;
      border: none;
      padding: 0.8rem 1.6rem;
      border-radius: 60px;
      font-weight: 700;
      margin-top: 1.2rem;
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      cursor: pointer;
    }

    /* contact + form */
    .contact-grid {
      display: flex;
      flex-wrap: wrap;
      gap: 2.5rem;
      background: #ffffffdd;
      border-radius: 2rem;
    }

    .contact-info {
      flex: 1;
      background: #f9f6ef;
      border-radius: 1.8rem;
      padding: 2rem;
    }

    .contact-info p {
      margin: 1.5rem 0;
      display: flex;
      align-items: center;
      gap: 0.8rem;
      font-size: 1rem;
    }

    .contact-form {
      flex: 1.5;
      padding: 1rem;
    }

    .form-group {
      margin-bottom: 1.2rem;
    }

    .form-group input, .form-group textarea {
      width: 100%;
      padding: 1rem;
      border-radius: 1.2rem;
      border: 1px solid #e2daca;
      background: white;
      font-family: inherit;
      transition: 0.2s;
    }

    .form-group input:focus, .form-group textarea:focus {
      outline: none;
      border-color: #2c6e4f;
      box-shadow: 0 0 0 3px rgba(44, 110, 79, 0.2);
    }

    footer {
      background: #1a2a25;
      color: #cfdec9;
      padding: 2.5rem 0;
      margin-top: 1.5rem;
      border-radius: 2rem 2rem 0 0;
    }

    .footer-content {
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      align-items: center;
      gap: 1.5rem;
    }

    .social-links {
      display: flex;
      gap: 1.2rem;
      font-size: 1.8rem;
    }

    .social-links a {
      color: #cfdec9;
      transition: 0.2s;
      text-decoration: none;
    }

    .social-links a:hover {
      color: #f7d994;
      transform: scale(1.05);
    }

    /* chantier / construction badge */
    .under-construction-banner {
      background: #faeecb;
      text-align: center;
      padding: 0.9rem;
      font-weight: 600;
      border-radius: 60px;
      display: inline-block;
      width: auto;
      margin-bottom: 1.5rem;
    }

    /* responsive */
    @media (max-width: 860px) {
      .container {
        padding: 0 1.5rem;
      }
      .hero-content h1 {
        font-size: 2.2rem;
      }
      .hero-content p {
        max-width: 100%;
      }
      .hero-emoji-deco {
        font-size: 4.5rem;
      }
      .section-title {
        font-size: 1.8rem;
      }
      .nav-bar {
        flex-direction: column;
        align-items: flex-start;
      }
      .nav-links {
        gap: 1.2rem;
      }
      section {
        padding: 3rem 0;
      }
    }

    @media (max-width: 560px) {
      .hero-actions {
        flex-direction: column;
        width: 100%;
      }
      .btn-primary, .btn-outline {
        justify-content: center;
      }
      .involve-wrapper {
        flex-direction: column;
      }
      .contact-grid {
        flex-direction: column;
      }
    }

    .statut-construction {
      background: #fff2df;
      border-radius: 40px;
      padding: 0.25rem 1rem;
      font-size: 0.8rem;
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
    }

    a, button {
      cursor: pointer;
    }