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

:root {
    --primary-blue: #1e5a8e;
    --light-blue: #4a9fd8;
    --dark-blue: #0d3d5c;
    --accent-blue: #87ceeb;
    --white: #ffffff;
    --light-gray: #f5f8fa;
    --text-dark: #333333;
}

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

/* Header et Navigation */
header {
    background: var(--white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

nav {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo img {
    height: 60px;
    width: auto;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-text h1 {
    color: var(--primary-blue);
    font-size: 1.5rem;
    font-weight: bold;
}

.logo-text span {
    color: var(--light-blue);
    font-size: 0.9rem;
}

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

.nav-links a {
    text-decoration: none;
    color: var(--primary-blue);
    font-weight: 500;
    transition: color 0.3s;
    padding: 0.5rem 1rem;
}

.nav-links a:hover {
    color: var(--primary-red);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--primary-blue);
    cursor: pointer;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--light-blue) 100%);
    color: var(--white);
    padding: 4rem 2rem;
    text-align: center;
}

.hero-content section {
    padding: 4rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.hero h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
}
.logo1 {
    width: 100%;
    height: 200px;
    
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: var(--light-blue);
}
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    background: var(--white);
    color: var(--primary-blue);
    text-decoration: none;
    border-radius: 50px;
    font-weight: bold;
    transition: transform 0.3s, box-shadow 0.3s;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.2);
}

/* Sections */
section {
    padding: 4rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    text-align: center;
    color: var(--primary-blue);
    font-size: 2rem;
    margin-bottom: 3rem;
    position: relative;
    padding-bottom: 1rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 3px;
    background: var(--light-blue);
}

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s, box-shadow 0.3s;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.2);
}

.service-image {
    width: 100%;
    height: 200px;
    background: var(--light-gray);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: var(--light-blue);
}

.service-content {
    padding: 1.5rem;
}

.service-content h3 {
    color: var(--primary-blue);
    margin-bottom: 1rem;
}

/* Avantages */
.avantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.avantage-item {
    text-align: center;
    padding: 2rem;
    background: var(--light-gray);
    border-radius: 10px;
}

.avantage-item i {
    font-size: 3rem;
    color: var(--primary-blue);
    margin-bottom: 1rem;
}

.avantage-item h3 {
    color: var(--primary-blue);
    margin-bottom: 0.5rem;
}

/* Contact Form */
.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.contact-info {
    background: var(--light-gray);
    padding: 2rem;
    border-radius: 15px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: var(--white);
    border-radius: 10px;
}

.contact-item i {
    font-size: 1.5rem;
    color: var(--primary-blue);
    min-width: 30px;
}

.contact-item a {
    color: var(--text-dark);
    text-decoration: none;
}

.contact-item a:hover {
    color: var(--primary-blue);
}

.map-container {
    margin-top: 2rem;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    cursor: pointer;
}

.map-container iframe {
    width: 100%;
    height: 300px;
    border: none;
}

.contact-form {
    background: var(--white);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--primary-blue);
    font-weight: 500;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.8rem;
    border: 2px solid var(--light-gray);
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-blue);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.btn-submit {
    width: 100%;
    padding: 1rem;
    background: var(--primary-blue);
    color: var(--white);
    border: none;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
    transition: background 0.3s, transform 0.3s;
}

.btn-submit:hover {
    background: var(--dark-blue);
    transform: translateY(-2px);
}

/* Footer */
footer {
    background: var(--dark-blue);
    color: var(--white);
    text-align: center;
    padding: 2rem;
}

footer p {
    margin-bottom: 1rem;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 1rem;
}

.social-links a {
    color: var(--white);
    font-size: 1.5rem;
    transition: color 0.3s;
}

.social-links a:hover {
    color: var(--accent-blue);
}

/* Modal Carte */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.8);
}

.modal-content {
    position: relative;
    margin: 5% auto;
    width: 90%;
    max-width: 900px;
    height: 70vh;
}

.modal-content iframe {
    width: 100%;
    height: 100%;
    border-radius: 10px;
}

.close-modal {
    position: absolute;
    top: -40px;
    right: 0;
    color: var(--white);
    font-size: 2rem;
    cursor: pointer;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 1rem;
        box-shadow: 0 5px 10px rgba(0,0,0,0.1);
    }

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

    .mobile-menu-btn {
        display: block;
    }

    .hero h2 {
        font-size: 1.8rem;
    }

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

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

/* Page cachée par défaut */
.page {
    display: none;
}

.page.active {
    display: block;
}
/* ===== Responsive pour mobile et tablettes ===== */
@media (max-width: 1024px) {
    /* Header et navigation */
    nav {
        flex-wrap: wrap;
        padding: 1rem;
    }

    .nav-links {
        display: none;
        flex-direction: column;
        width: 100%;
        text-align: center;
        background: var(--white);
        box-shadow: 0 5px 10px rgba(0,0,0,0.1);
        position: absolute;
        top: 100%;
        left: 0;
        z-index: 999;
        padding: 1rem 0;
    }

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

    .nav-links li {
        margin: 0.5rem 0;
    }

    .mobile-menu-btn {
        display: block;
    }

    /* Hero */
    .hero h2 {
        font-size: 1.8rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .logo1 img {
        width: 150px;
        height: 150px;
    }

    /* Services Grid */
    .services-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .service-card {
        margin: 0 auto;
    }

    .service-image {
        height: 150px;
        font-size: 3rem;
    }

    .service-content h3 {
        font-size: 1.2rem;
    }

    .service-content ul {
        font-size: 0.95rem;
    }

    /* Avantages Grid */
    .avantages-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    /* Contact */
    .contact-container {
        grid-template-columns: 1fr;
        gap: 2rem;
        padding: 1rem;
    }

    .contact-form {
        padding: 1.5rem;
    }

    .contact-item {
        flex-direction: column;
        align-items: flex-start;
    }

    .contact-item i {
        margin-bottom: 0.5rem;
    }

    /* Footer */
    footer p {
        font-size: 0.9rem;
    }

    .social-links a {
        font-size: 1.3rem;
    }

    /* Modal carte */
    .modal-content {
        width: 95%;
        height: 60vh;
    }
}

/* ===== Ultra-mobile (≤ 480px) ===== */
@media (max-width: 480px) {
    .hero h2 {
        font-size: 1.5rem;
    }

    .hero p {
        font-size: 0.95rem;
    }

    .btn, .btn-submit {
        padding: 0.8rem 1.5rem;
        font-size: 1rem;
    }

    .service-image {
        height: 120px;
        font-size: 2.5rem;
    }

    .contact-form input,
    .contact-form textarea,
    .contact-form select {
        font-size: 0.95rem;
    }

    .contact-container {
        padding: 0.5rem;
    }

    .map-container iframe {
        height: 200px;
    }
}