body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f4f7f6;
    color: #333;
    line-height: 1.6;
    margin: 0;
    padding: 20px;
}
.container {
    max-width: 800px;
    margin: 0 auto;
    background: #ffffff;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}
h1 {
    text-align: center;
    color: #2c3e50;
    border-bottom: 3px solid #3498db;
    padding-bottom: 15px;
    margin-bottom: 30px;
}
h2 {
    color: #2980b9;
    margin-top: 35px;
    border-bottom: 1px solid #eee;
    padding-bottom: 5px;
}
h3 {
    color: #34495e;
    margin-top: 25px;
}
p, li {
    font-size: 1rem;
    color: #555;
    margin: 0; 
}
ul {
    margin-bottom: 20px;
}
.alert {
    background-color: #fff3f3;
    border-left: 5px solid #e74c3c;
    padding: 15px;
    margin: 20px 0;
    border-radius: 4px;
}
.btn-retour {
    display: inline-block;
    margin-bottom: 20px;
    padding: 10px 20px;
    background-color: #95a5a6;
    color: white;
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
    transition: 0.3s;
}
.btn-retour:hover {
    background-color: #7f8c8d;
}

.faq-item {
    margin-bottom: 15px;
    border-bottom: 1px solid #eee;
}

.faq-question {
    cursor: pointer;
    font-weight: bold;
    color: #34495e;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
    transition: color 0.3s;
}

.faq-question:hover {
    color: #0095f6; 
}

.faq-answer {
    max-height: 0; 
    overflow: hidden; 
    transition: max-height 0.4s ease, padding 0.4s ease; 
    padding: 0 10px;
    color: #555;
}

.faq-item.active .faq-answer {
    max-height: 200px;
    padding: 0 10px 15px 10px;
}

.arrow {
    font-size: 1.2em;
    display: inline-block;
    transition: transform 0.4s ease; 
}

.faq-item.active .arrow {
    transform: rotate(90deg);
}