.centered {
    max-width: 900px;
    margin: 0 auto;
    padding: 40px 20px;
    text-align: center;
}

.intro {
    font-size: 1.1em;
    margin-bottom: 30px;
    color: #163047;
}

.steps {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.step {
    background: #ffffff;
    border-radius: 12px;
    padding: 25px;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.1);
    text-align: left;
    border-left: 6px solid #1b55c5; /* Bleu FCPE */
}

.step h3 {
    margin-top: 0;
    color: #1b55c5;
}

.cta-link {
    font-weight: bold;
    color: #55c02c; /* Vert FCPE */
    text-decoration: none;
    transition: color 0.3s ease;
}

.cta-link:hover {
    color: #1b55c5;
    text-decoration: underline;
}

/* Responsive */
@media (max-width: 768px) {
    .centered {
        padding: 20px 15px;
    }

    .step {
        padding: 20px;
    }
}