.installation-page {
    max-width: 1200px;
    margin: 0 auto;
    padding: 10px 20px 60px;
    font-family: 'Calibri', Arial, sans-serif;
    width: 100%;
}

.installation-hero {
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    border-radius: 16px;
    padding: 40px 40px;
    margin-bottom: 30px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    text-align: center;
}

.installation-hero h1 {
    color: #000000;
    font-size: 2.5em;
    margin-bottom: 20px;
    font-weight: 700;
}

.installation-hero p {
    color: #666;
    font-size: 1.15em;
    line-height: 1.8;
    max-width: 900px;
    margin: 0 auto;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: repeat(2, auto);
    gap: 25px;
    margin-bottom: 50px;
}

.service-card {
    background: #f5f5f5;
    border-radius: 15px;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
    border: 2px solid #f0f0f0;
    padding: 15px;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* Installation - Bleu */
.service-card:nth-child(1):hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 102, 204, 0.35);
    border-color: #0066cc;
}

.service-card:nth-child(2):hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 102, 204, 0.35);
    border-color: #0066cc;
}

.service-card:nth-child(3):hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 102, 204, 0.35);
    border-color: #0066cc;
}

.service-card:nth-child(4):hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 102, 204, 0.35);
    border-color: #0066cc;
}

.service-card-header {
    background: linear-gradient(135deg, rgba(245,245,245,0.5) 0%, rgba(245,245,245,0.4) 100%), url('https://aslane.fr/wp-content/uploads/2025/Photo%20Site%20Dev%20Aslane%20.fr/Aslane%20Maintenance%20Syst%C3%A8mes%20Pompe%20%C3%A0%20chaleur%20.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    padding: 15px 15px 10px 15px;
    position: relative;
    border-radius: 15px 15px 0 0;
}

.service-card-icon {
    font-size: 2.5em;
    margin-bottom: 8px;
    text-align: center;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.2));
    position: relative;
    z-index: 2;
}

.service-card h3 {
    color: #000000;
    font-size: 1.2em;
    margin-bottom: 8px;
    font-weight: 700;
    text-align: center;
    position: relative;
    z-index: 2;
}

.service-card-divider {
    height: 3px;
    margin: 0;
    background: linear-gradient(90deg, transparent 0%, #0066cc 50%, transparent 100%);
}

.service-card-content {
    padding: 12px 15px 15px 15px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.service-card-content p {
    color: #333;
    font-size: 0.9em;
    line-height: 1.5;
    margin-bottom: 12px;
    flex: 1;
    text-align: center;
}

.service-card-content ul {
    list-style: none;
    padding: 0;
    margin: 0;
    background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%);
    border-left: 4px solid #0066cc;
    border-radius: 8px;
    padding: 10px 12px;
    margin-bottom: 10px;
}

.service-card-content ul li {
    color: #555;
    font-size: 0.85em;
    line-height: 1.6;
    padding: 5px 0;
    padding-left: 25px;
    position: relative;
    text-align: left;
}

.service-card-content ul li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #0066cc;
    font-weight: bold;
    font-size: 1.1em;
}

.benefits-section {
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    border-left: 5px solid #666;
    border-radius: 12px;
    padding: 35px 40px;
    margin-bottom: 50px;
}

.benefits-section h2 {
    color: #000000;
    font-size: 2em;
    margin-bottom: 25px;
    text-align: center;
    font-weight: bold;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.benefit-item {
    background: #ffffff;
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    text-align: center;
}

.benefit-item strong {
    color: #000000;
    font-size: 1.1em;
    display: block;
    margin-bottom: 8px;
}

.benefit-item p {
    color: #555;
    font-size: 0.95em;
    line-height: 1.6;
    margin: 0;
}

.form-section {
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    border-radius: 15px;
    padding: 40px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    max-width: 800px;
    margin: 0 auto 50px auto;
}

.form-section h2 {
    color: #000000;
    font-size: 2em;
    margin-bottom: 10px;
    text-align: center;
}

.form-section p {
    color: #666;
    text-align: center;
    margin-bottom: 30px;
    font-size: 1.05em;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    color: #333;
    font-weight: 600;
    margin-bottom: 8px;
    font-size: 1em;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 1em;
    font-family: 'Calibri', Arial, sans-serif;
    transition: border-color 0.3s ease;
    box-sizing: border-box;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #666;
}

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

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.checkbox-group input[type="checkbox"] {
    width: auto;
    margin-top: 4px;
    flex-shrink: 0;
}

.checkbox-group label {
    font-weight: normal;
    font-size: 0.95em;
    line-height: 1.5;
    margin: 0;
}

.submit-btn {
    background: linear-gradient(135deg, #0066cc 0%, #0052a3 100%);
    color: white;
    padding: 16px 40px;
    border: none;
    border-radius: 8px;
    font-size: 1.1em;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 102, 204, 0.4);
    width: 100%;
    margin-top: 10px;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 102, 204, 0.5);
}

.submit-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.success-message {
    background: #d4edda;
    color: #155724;
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 30px;
    text-align: center;
    font-weight: 600;
    display: none;
}

@media (max-width: 768px) {
    .installation-hero h1 {
        font-size: 2em;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
        grid-template-rows: auto;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
    }
}