/* ===== VARIABLES CSS ===== */
:root {
    --primary-color: #1a2332;
    --secondary-color: #2c3e50;
    --accent-color: #3498db;
    --accent-hover: #2980b9;
    --text-light: #ffffff;
    --text-dark: #333333;
    --text-gray: #666666;
    --background-light: #f8f9fa;
    --background-white: #ffffff;
    --border-color: #e1e5e9;
    --success-color: #27ae60;
    --error-color: #e74c3c;
    --warning-color: #f39c12;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-secondary: 'Playfair Display', Georgia, serif;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Borders */
    --border-radius: 8px;
    --border-radius-lg: 12px;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 8px rgba(0,0,0,0.12);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.15);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* ===== RESET ET BASE ===== */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    height: 100%;
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--background-light);
    font-size: 16px;
    overflow-x: hidden;
}

/* ===== ACCESSIBILITY ===== */
.sr-only {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

/* Focus styles pour l'accessibilité */
*:focus {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

/* ===== LANGUAGE SWITCHER ===== */
.language-switcher {
    position: fixed;
    top: var(--spacing-md);
    right: var(--spacing-md);
    z-index: 9999;
    display: flex;
    gap: var(--spacing-xs);
    background: var(--background-white);
    padding: var(--spacing-xs);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
}

.lang-btn {
    background: none;
    border: 2px solid transparent;
    padding: var(--spacing-xs);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.lang-btn:hover {
    background-color: var(--background-light);
}

.lang-btn.active {
    border-color: var(--accent-color);
    background-color: rgba(52, 152, 219, 0.1);
}

.flag-emoji {
    font-size: 20px;
    line-height: 1;
    display: block;
}

/* ===== HEADER ===== */
.header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--text-light);
    padding: var(--spacing-lg) 0;
    box-shadow: var(--shadow-lg);
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

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

.logo {
    font-size: 2.5rem;
    font-weight: 600;
    font-family: var(--font-secondary);
    letter-spacing: 2px;
    color: var(--text-light);
}

.tagline {
    font-size: 0.9rem;
    opacity: 0.9;
    font-style: italic;
    margin-top: -0.25rem;
}

.main-nav {
    display: flex;
    gap: var(--spacing-xl);
}

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

.main-nav a:hover {
    color: var(--accent-color);
}

.main-nav a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -4px;
    left: 0;
    background-color: var(--accent-color);
    transition: width var(--transition-fast);
}

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

/* Style spécial pour le lien mentions légales */
.nav-legal {
    font-size: 0.9rem;
    opacity: 0.8;
    border-left: 1px solid rgba(255,255,255,0.3);
    padding-left: var(--spacing-md) !important;
    margin-left: var(--spacing-sm);
}

.nav-legal:hover {
    opacity: 1;
}

/* ===== HERO SECTION ===== */
.hero {
    position: relative;
    height: 70vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--text-light);
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        135deg,
        rgba(26, 35, 50, 0.8),
        rgba(44, 62, 80, 0.8)
    ),
    url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 800"><defs><pattern id="grid" width="40" height="40" patternUnits="userSpaceOnUse"><path d="M 40 0 L 0 0 0 40" fill="none" stroke="%23333" stroke-width="1" opacity="0.1"/></pattern></defs><rect width="1200" height="800" fill="%23f8f9fa"/><rect width="1200" height="800" fill="url(%23grid)"/></svg>');
    background-size: cover;
    background-position: center;
    z-index: -1;
}

.hero-content {
    max-width: 800px;
    padding: 0 var(--spacing-xl);
    z-index: 1;
}

.hero-content h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: var(--spacing-lg);
    font-weight: 600;
    font-family: var(--font-secondary);
    line-height: 1.2;
}

.hero-content p {
    font-size: clamp(1.1rem, 2vw, 1.3rem);
    margin-bottom: var(--spacing-2xl);
    line-height: 1.7;
    opacity: 0.95;
}

.cta-button {
    display: inline-block;
    background: var(--accent-color);
    color: var(--text-light);
    padding: var(--spacing-lg) var(--spacing-2xl);
    text-decoration: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: 1.1rem;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-md);
    border: 2px solid var(--accent-color);
}

.cta-button:hover {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* ===== SECTIONS COMMUNES ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
}

.section {
    padding: var(--spacing-3xl) 0;
}

.section-title {
    text-align: center;
    font-size: clamp(2rem, 4vw, 2.5rem);
    margin-bottom: var(--spacing-2xl);
    font-family: var(--font-secondary);
    color: var(--primary-color);
    font-weight: 600;
}

/* ===== SERVICES ===== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-2xl);
    margin-top: var(--spacing-xl);
}

.service-card {
    background: var(--background-white);
    padding: var(--spacing-2xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    text-align: center;
    transition: all var(--transition-normal);
    border: 1px solid var(--border-color);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-color);
}

.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-lg);
    background: linear-gradient(135deg, var(--accent-color), var(--accent-hover));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--text-light);
    box-shadow: var(--shadow-md);
}

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

.service-card p {
    color: var(--text-gray);
    line-height: 1.7;
}

/* ===== ABOUT ===== */
.about {
    background: var(--background-white);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.about-text {
    font-size: 1.1rem;
    line-height: 1.8;
}

.about-text p {
    margin-bottom: var(--spacing-lg);
    color: var(--text-gray);
}

.about-text p:last-child {
    margin-bottom: 0;
}

.about-image {
    text-align: center;
}

.placeholder-image {
    width: 100%;
    max-width: 400px;
    height: 300px;
    background: linear-gradient(45deg, #f0f0f0, #e8e8e8);
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    color: var(--text-gray);
    border: 2px dashed var(--border-color);
    margin: 0 auto;
}

/* ===== CONTACT ===== */
.contact {
    background: var(--background-light);
}

.contact-form {
    max-width: 700px;
    margin: 0 auto;
    background: var(--background-white);
    padding: var(--spacing-2xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
    color: var(--primary-color);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-family: var(--font-primary);
    transition: border-color var(--transition-fast);
    background-color: var(--background-white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

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

.form-group select {
    cursor: pointer;
}

/* Checkbox custom styling */
.checkbox-label {
    display: flex !important;
    align-items: flex-start;
    cursor: pointer;
    font-weight: 400 !important;
    gap: var(--spacing-sm);
}

.checkbox-label input[type="checkbox"] {
    display: none;
}

.checkmark {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-color);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    flex-shrink: 0;
    margin-top: 2px;
}

.checkbox-label input[type="checkbox"]:checked + .checkmark {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
}

.checkbox-label input[type="checkbox"]:checked + .checkmark::after {
    content: '✓';
    color: white;
    font-weight: bold;
    font-size: 16px;
    text-shadow: 0 0 2px rgba(0,0,0,0.5);
}

.submit-button {
    width: 100%;
    background: var(--primary-color);
    color: var(--text-light);
    padding: var(--spacing-lg);
    border: 2px solid var(--primary-color);
    border-radius: var(--border-radius);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    font-family: var(--font-primary);
}

.submit-button:hover:not(:disabled) {
    background: var(--secondary-color);
    border-color: var(--secondary-color);
    transform: translateY(-1px);
}

.submit-button:disabled {
    background: var(--text-gray);
    border-color: var(--text-gray);
    cursor: not-allowed;
    transform: none;
}

/* Messages d'erreur et de succès */
.error-message {
    color: var(--error-color);
    font-size: 0.9rem;
    margin-top: var(--spacing-xs);
    display: none;
}

.success-message {
    background: var(--success-color);
    color: var(--text-light);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-lg);
    display: none;
}

/* Anti-spam honeypot */
.honeypot {
    position: absolute !important;
    left: -9999px !important;
    width: 1px !important;
    height: 1px !important;
    opacity: 0 !important;
}

/* ===== FOOTER ===== */
.footer {
    background: var(--primary-color);
    color: var(--text-light);
    padding: var(--spacing-2xl) 0;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
}

.footer-info,
.footer-contact {
    flex: 1;
}

.footer-contact {
    text-align: right;
}

.footer p {
    margin-bottom: var(--spacing-sm);
    opacity: 0.9;
}

.footer p:last-child {
    margin-bottom: 0;
}

.footer-link {
    color: var(--text-light);
    text-decoration: underline;
    transition: color var(--transition-fast);
}

.footer-link:hover {
    color: var(--accent-color);
}

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

.fade-in {
    animation: fadeInUp 0.6s ease-out forwards;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.pulse {
    animation: pulse 2s infinite;
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
    :root {
        --spacing-xl: 1rem;
        --spacing-2xl: 1.5rem;
        --spacing-3xl: 2rem;
    }

    .language-switcher {
        top: var(--spacing-sm);
        right: var(--spacing-sm);
    }

    .nav-container {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }

    .main-nav {
        gap: var(--spacing-lg);
    }

    .hero {
        height: 60vh;
        min-height: 500px;
    }

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

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

    .form-row {
        grid-template-columns: 1fr;
    }

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

    .footer-contact {
        text-align: center;
    }
}

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

    .contact-form {
        padding: var(--spacing-lg);
    }

    .service-card {
        padding: var(--spacing-lg);
    }
}

/* ===== PAGE LÉGALE ===== */
.legal-page {
    background: var(--background-white);
    min-height: 70vh;
}

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

.legal-section {
    margin-bottom: var(--spacing-2xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

.legal-section:last-child {
    border-bottom: none;
}

.legal-section h2 {
    color: var(--primary-color);
    font-size: 1.4rem;
    margin-bottom: var(--spacing-md);
    font-weight: 600;
}

.legal-info p {
    margin-bottom: var(--spacing-sm);
    line-height: 1.6;
}

.legal-section p {
    color: var(--text-gray);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.legal-section p:last-child {
    margin-bottom: 0;
}

/* ===== PRINT STYLES ===== */
@media print {
    .language-switcher,
    .cta-button,
    .contact {
        display: none;
    }

    .hero {
        height: auto;
        padding: var(--spacing-2xl) 0;
    }

    .hero-background {
        display: none;
    }

    body {
        background: white;
        color: black;
    }
}