/* ── Accordion / Details Section ─────────────────────────────────────────── */
.accordion-wrapper {
    max-width: 1000px;
    margin: 3rem auto 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.accordion-item {
    background: white;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all 0.3s ease;
}

.accordion-item[open] {
    box-shadow: var(--shadow-md);
    border-color: var(--primary-light);
}

.accordion-summary {
    padding: 1.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--text-main);
    list-style: none;
    /* Hide default triangle */
    background: var(--bg-surface);
    transition: background 0.3s;
}

.accordion-summary:hover {
    background: #f1f5f9;
}

.accordion-summary::-webkit-details-marker {
    display: none;
}

.accordion-summary::after {
    content: '+';
    font-size: 1.5rem;
    font-weight: 300;
    transition: transform 0.3s;
    color: var(--primary);
}

.accordion-item[open] .accordion-summary::after {
    transform: rotate(45deg);
}

.accordion-content {
    padding: 2rem;
    background: white;
    border-top: 1px solid var(--border-light);
}

/* Internal Grid for Long Feature Lists */
.features-detailed-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature-group h4 {
    color: var(--primary);
    margin-bottom: 1rem;
    border-bottom: 2px solid var(--bg-surface-2);
    padding-bottom: 0.5rem;
    font-size: 1.1rem;
}

.feature-group ul {
    list-style: none;
    padding: 0;
}

.feature-group li {
    margin-bottom: 0.75rem;
    font-size: 0.95rem;
    color: var(--text-body);
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
}

.feature-group li::before {
    content: "•";
    color: var(--secondary);
    font-weight: bold;
}

.feature-group li strong {
    color: var(--text-main);
    font-weight: 600;
}