details {
    margin-bottom: 1rem;
    border: 1px solid #d0d7de;
    border-radius: 8px;
    overflow: hidden;
}

details[open] {
    box-shadow: 0 3px 15px rgba(0, 0, 0, 0.1);
}

.details-summary {
    padding: 0.5rem 0.5rem;
    background: #f6f8fa;
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background 0.3s;
}

.details-summary:hover {
    background: #eaecef;
}

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

.details-summary h3 {
    margin: 0;
    font-size: 1.2rem;
    color: #24292f;
}

.details-icon {
    transition: transform 0.3s;
    font-size: 1.0rem;
}

details[open] .details-icon {
    transform: rotate(180deg);
}

.details-content {
    padding: 1.5rem;
    background: white;
    animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.requirements {
    display: grid;
    gap: 0.8rem;
}

.req-item {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem;
    background: #f6f8fa;
    border-radius: 4px;
}

.req-item strong {
    color: #0969da;
}