/* Variables CSS */
:root {
    --primary: #667eea;
    --secondary: #764ba2;
    --success: #2ecc71;
    --danger: #e74c3c;
    --warning: #f39c12;
    --dark: #2d3748;
    --light: #f7fafc;
    --white: #ffffff;
    --gray: #718096;
    --border: #e2e8f0;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --radius: 8px;
}

/* Styles généraux */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f8f9fa;
    color: var(--dark);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

.page-header {
    text-align: center;
    margin-bottom: 2rem;
    padding: 1rem 0;
}

.page-header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 0.5rem;
}

.page-header p {
    font-size: 1.2rem;
    color: var(--gray);
}

/* Styles des cartes */
.card {
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    margin-bottom: 2rem;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.card-header {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: var(--white);
    padding: 1rem 1.5rem;
    font-size: 1.3rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.card-header i {
    font-size: 1.2rem;
}

.card-body {
    padding: 1.5rem;
}

.card-body h3 {
    font-size: 1.2rem;
    color: var(--dark);
    margin: 1.5rem 0 0.75rem;
    font-weight: 600;
}

.card-body h3:first-child {
    margin-top: 0;
}

.card-body p {
    margin-bottom: 1rem;
}

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

.card-body ul {
    margin-bottom: 1rem;
    padding-left: 1.5rem;
}

.card-body li {
    margin-bottom: 0.5rem;
}

.card-body li:last-child {
    margin-bottom: 0;
}

.card-body strong {
    color: var(--dark);
    font-weight: 600;
}

/* Style pour le bouton de contact */
.contact-button-container {
    text-align: center;
    margin-top: 1.5rem;
}

.btn-contact {
    display: inline-block;
    padding: 12px 24px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    text-decoration: none;
    border-radius: 6px;
    font-family: inherit;
    font-size: 16px;
    font-weight: 600;
    text-align: center;
    transition: all 0.3s ease;
}

.btn-contact:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

/* Responsive */
@media (max-width: 768px) {
    .page-header h1 {
        font-size: 2rem;
    }
    
    .page-header p {
        font-size: 1rem;
    }
    
    .card-header {
        font-size: 1.1rem;
        padding: 0.8rem 1.2rem;
    }
    
    .card-body {
        padding: 1.2rem;
    }
    
    .card-body h3 {
        font-size: 1.1rem;
    }
}

@media (max-width: 480px) {
    .card-header {
        font-size: 1rem;
        padding: 0.6rem 1rem;
    }
    
    .card-body {
        padding: 1rem;
    }
    
    .card-body h3 {
        font-size: 1rem;
    }
    
    .btn-contact {
        padding: 10px 20px;
        font-size: 14px;
    }
}