/* Variables */
:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --accent-color: #e74c3c;
    --text-color: #333;
    --light-bg: #f8f9fa;
}

/* General Styles */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    padding-top: 76px; /* Pour compenser la navbar fixe */
}

/* Navigation */
.navbar {
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    padding: 1rem 0;
    background-color: rgba(255, 255, 255, 0.95) !important;
}

.navbar-brand {
    font-weight: 700;
    color: var(--primary-color) !important;
}

.nav-link {
    color: var(--primary-color) !important;
    font-weight: 500;
    transition: color 0.3s ease;
    padding: 0.5rem 1rem !important;
}

.nav-link:hover {
    color: var(--secondary-color) !important;
}

/* Hero Section */
.hero-section {
    position: relative;
    background: linear-gradient(rgba(44, 62, 80, 0.7), rgba(44, 62, 80, 0.7)),
                url('../images/hero-bg.jpg') center/cover no-repeat;
    color: white;
    min-height: calc(100vh - 76px);
    display: flex;
    align-items: center;
    z-index: 1;
}
.hero-section::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(44, 62, 80, 0.5);
    z-index: 0;
}
.hero-section > .container, .hero-section > .container > .row {
    position: relative;
    z-index: 2;
}

.hero-section h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
}

.hero-section .lead {
    font-size: 1.5rem;
    margin-bottom: 2rem;
}

/* Buttons */
.btn-primary {
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
    padding: 0.8rem 2rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background-color: #2980b9;
    border-color: #2980b9;
    transform: translateY(-2px);
}

/* Cards */
.card {
    border: none;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
    height: 100%;
}

.card:hover {
    transform: translateY(-5px);
}

.card-title {
    color: var(--primary-color);
    font-weight: 600;
}

/* Sections */
section {
    padding: 5rem 0;
}

section h2 {
    color: var(--primary-color);
    font-weight: 700;
    margin-bottom: 3rem;
}

/* Gallery */
.gallery-item {
    display: block;
    margin-bottom: 1rem;
    overflow: hidden;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.gallery-item img,
.gallery-item video {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.gallery-item:hover img,
.gallery-item:hover video {
    transform: scale(1.05);
}

/* Contact Form */
.form-control {
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.form-control:focus {
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 0.2rem rgba(52, 152, 219, 0.25);
}

/* Footer */
footer {
    background-color: var(--primary-color);
}

.social-links a {
    font-size: 1.5rem;
    transition: all 0.3s ease;
    display: inline-block;
    margin: 0 0.5rem;
}

.social-links a:hover {
    color: var(--secondary-color) !important;
    transform: translateY(-3px);
}

/* Responsive Design */
@media (max-width: 768px) {
    body {
        padding-top: 66px;
    }

    .hero-section {
        min-height: calc(100vh - 66px);
    }

    .hero-section h1 {
        font-size: 2.5rem;
    }
    
    .hero-section .lead {
        font-size: 1.2rem;
    }
    
    section {
        padding: 3rem 0;
    }

    .gallery-item img,
    .gallery-item video {
        height: 150px;
    }

    .social-links a {
        font-size: 1.3rem;
        margin: 0 0.3rem;
    }
}

@media (max-width: 576px) {
    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }

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

    .gallery-item img,
    .gallery-item video {
        height: 120px;
    }
}