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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
}

/* Header & Navigation */
header {
    background: linear-gradient(135deg, #0066cc 0%, #0052a3 100%);
    color: white;
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

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

.logo {
    font-size: 28px;
    font-weight: 700;
    letter-spacing: 1px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-links a {
    color: white;
    text-decoration: none;
    transition: opacity 0.3s;
}

.nav-links a:hover {
    opacity: 0.8;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: white;
    margin: 5px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #224b74 0%, #0052a3 100%);
    color: white;
    padding: 10px 20px;
    text-align: center;
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 48px;
    margin-bottom: 20px;
    animation: slideDown 0.8s ease;
}

.hero p {
    font-size: 20px;
    margin-bottom: 30px;
    opacity: 0.95;
    animation: slideDown 0.8s ease 0.2s backwards;
}

.cta-button {
    display: inline-block;
    background: #ff6b35;
    color: white;
    padding: 15px 40px;
    border: none;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: transform 0.3s, box-shadow 0.3s;
    animation: slideDown 0.8s ease 0.4s backwards;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(255, 107, 53, 0.3);
}

/* Services Section */
.services {
    padding: 80px 20px;
    background: #f8f9fa;
}

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

.section-title {
    text-align: center;
    font-size: 36px;
    margin-bottom: 50px;
    color: #0066cc;
}

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

.service-card {
    background: white;
    padding: 40px 30px;
    border-radius: 10px;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.15);
}

.service-icon {
    font-size: 50px;
    margin-bottom: 15px;
}

.service-icon img {
    width: 80px;
    height: 80px;
    object-fit: contain;
    transition: transform 0.3s;
}

.service-card:hover .service-icon img {
    transform: scale(1.1);
}

.service-card h3 {
    color: #0066cc;
    margin-bottom: 15px;
    font-size: 22px;
}

.service-card p {
    color: #666;
    font-size: 14px;
    line-height: 1.8;
}

/* About Section */
.about {
    padding: 80px 20px;
    background: white;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-text h2 {
    font-size: 32px;
    color: #0066cc;
    margin-bottom: 20px;
}

.about-text p {
    color: #666;
    margin-bottom: 15px;
    font-size: 16px;
    line-height: 1.8;
}

.about-image {
    background: linear-gradient(135deg, #0066cc 0%, #0052a3 100%);
    height: 400px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 24px;
}

/* Contact Section */
.contact {
    padding: 80px 20px;
    background: #f8f9fa;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: start;
}

.contact-info {
    background: white;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
}

.contact-info h3 {
    color: #0066cc;
    margin-bottom: 25px;
    font-size: 24px;
}

.contact-item {
    margin-bottom: 25px;
    display: flex;
    gap: 15px;
}

.contact-item-icon {
    font-size: 24px;
    color: #ff6b35;
    min-width: 30px;
}

.contact-item-icon img {
    width: 28px;
    height: 28px;
    object-fit: contain;
}

.contact-item-text {
    color: #666;
}

.contact-item-text a {
    color: #0066cc;
    text-decoration: none;
}

.contact-item-text a:hover {
    text-decoration: underline;
}

.contact-form {
    background: white;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
}

.contact-form h3 {
    color: #0066cc;
    margin-bottom: 25px;
    font-size: 24px;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #333;
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-family: inherit;
    font-size: 14px;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #0066cc;
}

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

.submit-btn {
    width: 100%;
    padding: 12px;
    background: #ff6b35;
    color: white;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s;
}

.submit-btn:hover {
    background: #e55a24;
}

/* Footer */
footer {
    background: #1a1a1a;
    color: white;
    text-align: center;
    padding: 30px 20px;
}

footer p {
    margin-bottom: 10px;
}

footer > p:last-child {
    margin-top: 30px;
}

.social-links {
    margin-top: 20px;
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    background: #ffffff;
    border-radius: 50%;
    margin: 0 8px;
    text-decoration: none;
    transition: background 0.3s, transform 0.3s;
}

.social-links a img {
    width: 26px;
    height: 26px;
    object-fit: contain;
    transition: transform 0.3s;
}

.social-links a:hover {
    background: #ff6b35;
    transform: translateY(-3px);
}

.social-links a:hover img {
    transform: scale(1.15);
}

/* Animations */
@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        transform: translateX(-100%);
    }
    to {
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
    }
    to {
        transform: translateX(0);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 32px;
    }

    .hero p {
        font-size: 16px;
    }

    .nav-links {
        display: none;
    }

    .hamburger {
        display: flex;
    }

    .nav-links.active {
        display: flex;
        flex-direction: column;
        position: fixed;
        top: 60px;
        right: 0;
        width: 40vw;
        height: calc(100vh - 60px);
        background: #0052a3;
        padding: 20px;
        gap: 15px;
        box-shadow: -2px 0 10px rgba(0,0,0,0.2);
        z-index: 99;
        animation: slideInRight 0.3s ease;
    }

    /* Overlay sombre quand le menu est ouvert */
    .nav-overlay {
        display: none;
        position: fixed;
        top: 60px;
        left: 0;
        right: 40vw;
        height: calc(100vh - 60px);
        background: rgba(0, 0, 0, 0.5);
        z-index: 98;
    }

    .nav-overlay.active {
        display: block;
    }

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

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

    .section-title {
        font-size: 28px;
    }
}