/* Variables de couleurs */
:root {
    --vert-clair: #00BD80;
    --vert-fonce: #004C3D;
    --beige: #E3DCC8;
    --blanc: #FFFFFF;
    --gris-clair: #F5F5F5;
    --gris-fonce: #333333;
}

/* Reset et styles de base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--gris-fonce);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
#navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: var(--blanc);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo img {
    height: 50px;
}

.nav-links {
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav-link {
    color: var(--gris-fonce);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--vert-clair);
    transition: width 0.3s ease;
}

.nav-link:hover {
    color: var(--vert-clair);
}

.nav-link:hover::after {
    width: 100%;
}

.lang-switch {
    background: var(--vert-clair);
    color: var(--blanc);
    padding: 8px 16px;
    border-radius: 20px;
    text-decoration: none;
    font-weight: 600;
    transition: background 0.3s ease;
}

.lang-switch:hover {
    background: var(--vert-fonce);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.mobile-menu-btn span {
    width: 25px;
    height: 3px;
    background: var(--gris-fonce);
    transition: all 0.3s ease;
}

/* Hero Section */
.hero {
    height: 100vh;
    background: linear-gradient(rgba(0, 76, 61, 0.7), rgba(0, 189, 128, 0.7)), url('assets/photo-montagne.webp');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--blanc);
    position: relative;
}

.hero-content {
    max-width: 800px;
    padding: 0 20px;
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: 20px;
    animation: fadeInUp 1s ease;
}

.tagline {
    font-size: 1.8rem;
    margin-bottom: 15px;
    animation: fadeInUp 1.2s ease;
}

.subtitle {
    font-size: 1.2rem;
    margin-bottom: 40px;
    animation: fadeInUp 1.4s ease;
}

.cta-button {
    display: inline-block;
    background: var(--vert-clair);
    color: var(--blanc);
    padding: 15px 40px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    animation: fadeInUp 1.6s ease;
}

.cta-button:hover {
    background: var(--blanc);
    color: var(--vert-fonce);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

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

/* Sections */
.section {
    padding: 50px 0;
}

.section-alt {
    background: var(--beige);
}

.section h2 {
    font-size: 2.5rem;
    color: var(--vert-fonce);
    margin-bottom: 30px;
    text-align: center;
}

.section h3 {
    font-size: 1.8rem;
    color: var(--vert-fonce);
    margin: 10px 0 10px;
}

.section h4 {
    font-size: 1.4rem;
    color: var(--vert-clair);
    margin: 20px 0 15px;
}

.section-intro {
    text-align: center;
    font-size: 1.2rem;
    max-width: 800px;
    margin: -20px auto 40px;
    color: var(--gris-fonce);
}

/* À propos */
.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 50px;
    margin-bottom: 30px;
}

.about-text p {
    margin-bottom: 20px;
}

.about-text ul {
    margin-left: 30px;
    margin-bottom: 20px;
}

.about-text li {
    margin-bottom: 10px;
}

.name-origin {
    font-style: italic;
    background: var(--gris-clair);
    padding: 20px;
    border-left: 4px solid var(--vert-clair);
    margin-top: 30px;
}

.profile-photo {
    width: 80%;
    border-radius: 80px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.founder-section {
    background: var(--blanc);
    padding: 10px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.timeline {
    margin-top: 20px;
}

.timeline-item {
    padding: 15px;
    margin-bottom: 15px;
    border-left: 3px solid var(--vert-clair);
    padding-left: 20px;
    background: var(--gris-clair);
}

.international-map {
    margin-top: 20px;
}

.international-map img {
    width: 100%;
    margin-bottom: 20px;
    border-radius: 10px;
}

.regions {
    list-style: none;
    padding: 0;
}

.regions li {
    padding: 10px;
    margin-bottom: 10px;
    background: var(--gris-clair);
    border-left: 3px solid var(--vert-clair);
    padding-left: 15px;
}

/* Services */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.service-card {
    background: var(--blanc);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
}

.service-card img {
    width: 40%;
    margin-bottom: 5px;
    display: block;
    margin: 0 auto;
}

.service-card h3 {
    color: var(--vert-fonce);
    margin-bottom: 10px;
    text-align: center;
}

.service-card ul {
    list-style: none;
}

.service-card li {
    padding: 8px 0;
    padding-left: 25px;
    position: relative;
}

.service-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--vert-clair);
    font-weight: bold;
}

.sectors {
    text-align: center;
}

.sectors-list {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
    margin-top: 20px;
}

.sector-item {
    background: var(--vert-clair);
    color: var(--blanc);
    padding: 12px 25px;
    border-radius: 25px;
    font-weight: 600;
}

/* Références */
.references-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.reference-card {
    background: var(--blanc);
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    border-top: 4px solid var(--vert-clair);
}

.reference-card h3 {
    color: var(--vert-fonce);
    font-size: 1.3rem;
    margin-bottom: 15px;
}

.reference-card p {
    color: var(--vert-clair);
    font-weight: 600;
    margin-bottom: 15px;
}

.reference-card ul {
    list-style: none;
}

.reference-card li {
    padding: 8px 0;
    padding-left: 25px;
    position: relative;
}

.reference-card li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--vert-clair);
    font-weight: bold;
}

/* Contact */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.contact-info h3 {
    color: var(--vert-fonce);
    margin-bottom: 20px;
}

.contact-info p {
    margin-bottom: 15px;
}

.social-links {
    margin-top: 30px;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.linkedin-link {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--blanc);
    background: #0077B5;
    padding: 12px 20px;
    border-radius: 5px;
    text-decoration: none;
    transition: background 0.3s ease;
}

.linkedin-link:hover {
    background: #005885;
}

.contact-form {
    background: var(--blanc);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--gris-fonce);
    font-weight: 600;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--gris-clair);
    border-radius: 5px;
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--vert-clair);
}

.submit-button {
    background: var(--vert-clair);
    color: var(--blanc);
    padding: 15px 40px;
    border: none;
    border-radius: 30px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 100%;
}

.submit-button:hover {
    background: var(--vert-fonce);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

/* Footer */
footer {
    background: var(--vert-fonce);
    color: var(--blanc);
    padding: 40px 0 20px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.footer-logo img {
    height: 60px;
    margin-bottom: 10px;
}

.footer-links a {
    color: var(--blanc);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--vert-clair);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

/* Responsive */
@media (max-width: 768px) {
    .mobile-menu-btn {
        display: flex;
    }

    .nav-links {
        position: absolute;
        top: 80px;
        left: 0;
        width: 100%;
        background: var(--blanc);
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
        display: none;
    }

    .nav-links.active {
        display: flex;
    }

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

    .tagline {
        font-size: 1.3rem;
    }

    .subtitle {
        font-size: 1rem;
    }

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

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

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

    .contact-content {
        grid-template-columns: 1fr;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: 20px;
    }
}