/* ======================= STYLES DE BASE POUR L'ACCORDÉON ======================= */
.accordion-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1.5rem 3.5rem;
    position: relative;
    z-index: 1;
}

/* ======================= EN-TÊTE DE L'ACCORDÉON ======================= */
.accordion-header {
    display: flex;
    align-items: center;
    margin-bottom: 2.5rem;
    position: relative;
}

.back-link {
    color: var(--accent-cyan);
    font-size: 1.25rem;
    text-decoration: none;
    margin-right: 1rem;
    position: absolute;
    left: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 10px;
    transition: all 0.3s ease;
}

.back-link:hover {
    background: rgba(0, 212, 255, 0.2);
    border-color: var(--accent-cyan);
    transform: translateX(-3px);
}

.accordion-header h1 {
    font-size: 1.6rem;
    font-weight: 600;
    margin: 0 auto;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent-cyan) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ======================= CONTENU PRINCIPAL DE L'ACCORDÉON ======================= */
.accordion-content {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0.75rem;
    width: 100%;
}

.accordion-item {
    width: 100%;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: all 0.3s ease;
    backdrop-filter: blur(20px);
}

.accordion-item:hover {
    border-color: rgba(0, 212, 255, 0.3);
}

.accordion-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 1.5rem;
    background-color: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    text-align: left;
    transition: color 0.3s ease;
}

.accordion-question:hover {
    color: var(--accent-cyan);
}

.accordion-question i {
    font-size: 0.9rem;
    color: var(--text-muted);
    transition: all 0.3s ease;
}

/* ======================= RÉPONSE DE L'ACCORDÉON ======================= */
.accordion-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease-in-out, padding 0.4s ease-in-out;
}

.accordion-answer p,
.accordion-answer ul {
    padding: 0 1.5rem 1.25rem;
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 0.95rem;
    margin: 0;
}

.accordion-answer ul {
    padding-left: 2.5rem;
}

.accordion-answer li {
    margin-bottom: 0.5rem;
}

.accordion-answer a {
    color: var(--accent-cyan);
    text-decoration: none;
    transition: color 0.2s ease;
}

.accordion-answer a:hover {
    color: var(--accent-blue);
    text-decoration: underline;
}

.accordion-answer strong {
    color: var(--text-primary);
}

/* ======================= ÉTAT ACTIF/OUVERT ======================= */
.accordion-item.open {
    border-color: rgba(0, 212, 255, 0.3);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.1);
}

.accordion-item.open .accordion-question {
    color: var(--accent-cyan);
}

.accordion-item.open .accordion-question i {
    transform: rotate(180deg);
    color: var(--accent-cyan);
}

.accordion-item.open .accordion-answer {
    max-height: 800px;
}

/* ======================= RESPONSIVE ======================= */
@media (max-width: 768px) {
    .accordion-container {
        padding: 1.5rem 1rem;
    }

    .accordion-header h1 {
        font-size: 1.3rem;
    }

    .accordion-question {
        padding: 1rem 1.25rem;
        font-size: 0.95rem;
    }

    .accordion-answer p,
    .accordion-answer ul {
        padding: 0 1.25rem 1rem;
        font-size: 0.9rem;
    }
}