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

/* Variables CSS */
:root {
    --primary-color: #1a365d; /* Bleu marine principal */
    --secondary-color: #2d5aa0; /* Bleu marine clair */
    --accent-color: #4a90e2; /* Bleu accent */
    --text-dark: #2d3748;
    --text-light: #718096;
    --white: #ffffff;
    --gray-light: #f7fafc;
    --gray-medium: #e2e8f0;
    --gradient: linear-gradient(135deg, #1a365d 0%, #2d5aa0 100%);
    --shadow: 0 10px 30px rgba(26, 54, 93, 0.1);
    --shadow-hover: 0 15px 40px rgba(26, 54, 93, 0.2);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Base Styles */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--white);
}

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

/* Header Styles */
.header {
    background: var(--white);
    box-shadow: 0 2px 20px rgba(26, 54, 93, 0.08);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    transition: var(--transition);
}

.navbar {
    padding: 1rem 0;
}

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

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

.logo-img {
    height: 40px;
    width: auto;
}

.logo h2 {
    color: var(--primary-color);
    font-weight: 700;
    font-size: 1.5rem;
    margin: 0;
}

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

.nav-menu a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

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

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-color);
    transition: var(--transition);
}

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

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

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    margin: 3px 0;
    transition: var(--transition);
}

/* Language Selector */
.language-selector {
    display: flex;
    align-items: center;
    position: relative;
}

.dropdown-lang {
    position: relative;
}

.dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    background: var(--white);
    border: 2px solid var(--gray-medium);
    border-radius: 8px;
    padding: 0.5rem 0.7rem;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-dark);
    min-width: 85px;
    justify-content: space-between;
}

.dropdown-toggle:hover {
    border-color: var(--accent-color);
    box-shadow: 0 2px 8px rgba(74, 144, 226, 0.15);
}

.dropdown-toggle.active {
    border-color: var(--primary-color);
    box-shadow: 0 2px 8px rgba(26, 54, 93, 0.15);
}

.current-flag {
    width: 18px;
    height: 13px;
    object-fit: cover;
    border-radius: 2px;
    flex-shrink: 0;
}

.current-lang {
    font-weight: 600;
    font-size: 0.8rem;
}

.dropdown-arrow {
    font-size: 0.6rem;
    transition: var(--transition);
    color: var(--text-light);
}

.dropdown-toggle.active .dropdown-arrow {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: calc(100% - 2px);
    left: 0;
    right: 0;
    background: var(--white);
    border: 2px solid var(--gray-medium);
    border-top: none;
    border-radius: 0 0 8px 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-5px);
    transition: var(--transition);
    z-index: 1000;
    overflow: hidden;
    min-width: 120px;
}

.dropdown-lang.active .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.7rem 0.8rem;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.8rem;
    color: var(--text-dark);
    white-space: nowrap;
}

.dropdown-item:hover {
    background: var(--gray-light);
    color: var(--primary-color);
}

.dropdown-item.selected {
    background: var(--primary-color);
    color: var(--white);
}

.dropdown-item:first-child {
    border-radius: 0;
}

.dropdown-item:last-child {
    border-radius: 0 0 6px 6px;
}

.flag-icon {
    width: 18px;
    height: 13px;
    object-fit: cover;
    border-radius: 2px;
    flex-shrink: 0;
}

/* Hero Section */
.hero {
    background: var(--gradient);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    color: var(--white);
    text-align: center;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="white" opacity="0.1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    padding: 0 20px;
}

.hero h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    opacity: 0.9;
}

.cta-button {
    display: inline-block;
    background: var(--white);
    color: var(--primary-color);
    padding: 1rem 2.5rem;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: var(--transition);
    box-shadow: var(--shadow);
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

/* About Section */
.about {
    padding: 5rem 0;
    background: var(--gray-light);
}

.about h2 {
    text-align: center;
    color: var(--primary-color);
    font-size: 2.5rem;
    margin-bottom: 3rem;
    font-weight: 700;
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-light);
}

.about-stats {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.stat-item {
    text-align: center;
    padding: 2rem;
    background: var(--white);
    border-radius: 15px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-light);
    font-weight: 500;
}

/* Services Section */
.services {
    padding: 5rem 0;
    background: var(--white);
}

.services h2 {
    text-align: center;
    color: var(--primary-color);
    font-size: 2.5rem;
    margin-bottom: 3rem;
    font-weight: 700;
}

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

.service-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--gray-medium);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
    border-color: var(--accent-color);
}

.service-card i {
    font-size: 3rem;
    color: var(--accent-color);
    margin-bottom: 1.5rem;
}

.service-card h3 {
    color: var(--primary-color);
    font-size: 1.3rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.service-card p {
    color: var(--text-light);
    line-height: 1.6;
}

/* Experience Section */
.experience {
    padding: 5rem 0;
    background: var(--gradient);
    color: var(--white);
}

.experience h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    font-weight: 700;
}

.experience-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.experience-content p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.cta-section {
    margin-top: 3rem;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    backdrop-filter: blur(10px);
}

.cta-section h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}



/* Testimonials Section */
.testimonials {
    padding: 5rem 0;
    background: var(--white);
}

.testimonials h2 {
    text-align: center;
    color: var(--primary-color);
    font-size: 2.5rem;
    margin-bottom: 3rem;
    font-weight: 700;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.testimonial-card {
    background: var(--gray-light);
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: -10px;
    left: 20px;
    font-size: 4rem;
    color: var(--accent-color);
    font-family: serif;
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.testimonial-content p {
    font-style: italic;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    color: var(--text-light);
}

.testimonial-author {
    color: var(--primary-color);
    font-weight: 600;
}

/* Contact Section */
.contact {
    padding: 5rem 0;
    background: var(--gray-light);
}

.contact h2 {
    text-align: center;
    color: var(--primary-color);
    font-size: 2.5rem;
    margin-bottom: 3rem;
    font-weight: 700;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

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

.contact-item i {
    color: var(--accent-color);
    font-size: 1.5rem;
    margin-top: 0.25rem;
}

.contact-item h4 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.contact-item p {
    color: var(--text-light);
    line-height: 1.5;
}

.contact-form {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: var(--shadow);
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--gray-medium);
    border-radius: 10px;
    font-size: 1rem;
    transition: var(--transition);
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.1);
}

.submit-btn {
    width: 100%;
    background: var(--primary-color);
    color: var(--white);
    padding: 1rem;
    border: none;
    border-radius: 10px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
}

.submit-btn:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

/* Footer */
.footer {
    background: var(--primary-color);
    color: var(--white);
    padding: 3rem 0 1rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.footer-logo h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.footer-logo p {
    opacity: 0.8;
}

.footer-contact p {
    margin-bottom: 0.5rem;
    opacity: 0.8;
}

.footer-contact h4 {
    font-size: 1.3rem;
    color: var(--white);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.7;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--white);
        width: 100%;
        text-align: center;
        transition: var(--transition);
        box-shadow: var(--shadow);
        padding: 2rem 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .hamburger {
        display: flex;
    }

    .language-selector {
        order: -1;
        margin-right: 1rem;
    }

    .dropdown-toggle {
        padding: 0.4rem 0.6rem;
        font-size: 0.75rem;
        min-width: 75px;
    }

    .current-flag,
    .flag-icon {
        width: 16px;
        height: 12px;
    }

    .current-lang {
        font-size: 0.75rem;
    }

    .dropdown-arrow {
        font-size: 0.55rem;
    }

    .dropdown-item {
        padding: 0.6rem 0.7rem;
        font-size: 0.75rem;
        gap: 0.5rem;
    }

    .dropdown-menu {
        min-width: 100px;
    }

    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active span:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .hamburger.active span:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .about-stats {
        flex-direction: row;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .footer-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

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

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

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero h1 {
        font-size: 2rem;
    }

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

    .about h2,
    .services h2,
    .testimonials h2,
    .contact h2,
    .experience h2 {
        font-size: 2rem;
    }

    .logo-img {
        height: 30px;
    }

    .logo h2 {
        font-size: 1.2rem;
    }

    .about-stats {
        flex-direction: column;
    }

    .stat-item {
        padding: 1.5rem;
    }

    .service-card {
        padding: 2rem;
    }

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

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Animation for elements coming into view */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.service-card,
.testimonial-card,
.stat-item {
    animation: fadeInUp 0.6s ease-out forwards;
}