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

:root {
    --primary-color: #1a1a1a;
    --secondary-color: #333;
    --accent-color: #e31837;
    --light-gray: #f5f5f5;
    --text-color: #333;
    --text-light: #666;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    overflow-x: hidden;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 2px 20px rgba(0,0,0,0.1);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

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

.nav-menu {
    display: flex;
    list-style: none;
    gap: 40px;
    align-items: center;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: color 0.3s;
}

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

.btn-contact {
    background: var(--primary-color);
    color: white !important;
    padding: 10px 25px;
    border-radius: 5px;
}

.btn-contact:hover {
    background: var(--accent-color);
    color: white !important;
}

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

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: linear-gradient(135deg, #1a1a1a 0%, #333 100%);
    text-align: center;
    padding-top: 80px;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><rect fill="rgba(255,255,255,0.02)" width="100" height="100"/></svg>');
    opacity: 0.1;
}

.hero-content {
    position: relative;
    z-index: 2;
    color: white;
}

.hero-logo {
    max-width: 600px;
    width: 80%;
    margin-bottom: 40px;
    filter: drop-shadow(0 10px 40px rgba(0,0,0,0.3));
}

.hero h1 {
    font-size: 56px;
    margin-bottom: 20px;
    font-weight: 300;
    letter-spacing: 2px;
}

.hero-subtitle {
    font-size: 24px;
    margin-bottom: 40px;
    opacity: 0.9;
    font-weight: 300;
}

.btn-primary {
    display: inline-block;
    background: white;
    color: var(--primary-color);
    padding: 16px 40px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: 600;
    transition: all 0.3s;
    box-shadow: 0 10px 30px rgba(255,255,255,0.2);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(255,255,255,0.3);
}

/* Sections communes */
section {
    padding: 100px 0;
}

.section-title {
    font-size: 42px;
    margin-bottom: 15px;
    text-align: center;
    color: var(--primary-color);
}

.section-subtitle {
    text-align: center;
    color: var(--text-light);
    font-size: 18px;
    margin-bottom: 60px;
}

/* Services Section */
.services {
    background: var(--light-gray);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

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

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 50px rgba(0,0,0,0.12);
}

.service-icon {
    color: var(--primary-color);
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.service-card p {
    color: var(--text-light);
    line-height: 1.8;
}

/* À propos Section */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-image img {
    width: 100%;
    border-radius: 10px;
    box-shadow: 0 10px 50px rgba(0,0,0,0.15);
}

.about-content h2 {
    font-size: 42px;
    margin-bottom: 25px;
    color: var(--primary-color);
}

.lead {
    font-size: 20px;
    color: var(--accent-color);
    margin-bottom: 20px;
    font-weight: 500;
}

.about-content p {
    margin-bottom: 20px;
    color: var(--text-light);
    line-height: 1.8;
}

.stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.stat-item {
    text-align: center;
}

.stat-item h3 {
    font-size: 36px;
    color: var(--accent-color);
    margin-bottom: 10px;
}

.stat-item p {
    color: var(--text-light);
    font-size: 14px;
}

/* Portfolio Section */
.portfolio {
    background: var(--light-gray);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.portfolio-item {
    position: relative;
    overflow: hidden;
    border-radius: 10px;
    height: 300px;
    cursor: pointer;
}

.portfolio-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

.portfolio-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0,0,0,0.9));
    padding: 30px;
    color: white;
    transform: translateY(100%);
    transition: transform 0.3s;
}

.portfolio-item:hover .portfolio-overlay {
    transform: translateY(0);
}

.portfolio-item:hover img {
    transform: scale(1.1);
}

.portfolio-overlay h3 {
    font-size: 24px;
    margin-bottom: 10px;
}

/* Contact Section */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 80px;
}

.contact-info h3 {
    font-size: 32px;
    margin-bottom: 30px;
    color: var(--primary-color);
}

.info-item {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}

.info-item svg {
    flex-shrink: 0;
    color: var(--accent-color);
}

.info-item h4 {
    font-size: 18px;
    margin-bottom: 5px;
    color: var(--primary-color);
}

.info-item p {
    color: var(--text-light);
}

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

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid #e0e0e0;
    border-radius: 5px;
    font-family: inherit;
    font-size: 16px;
    transition: border-color 0.3s;
}

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

.contact-form button {
    background: var(--primary-color);
    color: white;
    padding: 15px 40px;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.contact-form button:hover {
    background: var(--accent-color);
    transform: translateY(-2px);
}

/* Footer */
.footer {
    background: var(--primary-color);
    color: white;
    padding: 60px 0 30px;
}

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

.footer-logo img {
    max-width: 300px;
    margin-bottom: 30px;
    filter: brightness(0) invert(1);
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 30px;
}

.footer-links a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: white;
}

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.footer-bottom p {
    margin: 5px 0;
    opacity: 0.7;
    font-size: 14px;
}

.footer-bottom a {
    color: white;
    text-decoration: none;
}

.footer-bottom a:hover {
    text-decoration: underline;
}

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

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0,0,0,0.05);
        padding: 40px 0;
    }

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

    .hero h1 {
        font-size: 36px;
    }

    .hero-subtitle {
        font-size: 18px;
    }

    .about-grid,
    .contact-grid,
    .portfolio-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

/* Style pour le select */
.contact-form select {
    width: 100%;
    padding: 15px;
    border: 2px solid #e0e0e0;
    border-radius: 5px;
    font-family: inherit;
    font-size: 16px;
    transition: border-color 0.3s;
    background: white;
    cursor: pointer;
}

.contact-form select:focus {
    outline: none;
    border-color: var(--primary-color);
}