/* ShardKeep — faq.css */

.faq-list {
    max-width: 820px;
    margin-inline: auto;
}
.faq-group {
    margin-bottom: var(--sp-7);
}
.faq-group__head {
    display: flex;
    align-items: baseline;
    gap: var(--sp-3);
    margin-bottom: var(--sp-4);
    padding-bottom: var(--sp-3);
    border-bottom: 1px solid var(--line);
}
.faq-group__head h2 {
    font-size: var(--fs-h4);
    color: var(--text-1);
    margin: 0;
}
.faq-group__head span {
    font-family: var(--font-mono);
    font-size: var(--fs-xs);
    color: var(--rose-soft);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.faq-item {
    padding: var(--sp-4) 0;
    border-bottom: 1px solid var(--line);
}
.faq-item summary {
    cursor: pointer;
    list-style: none;
    display: flex;
    gap: var(--sp-3);
    align-items: start;
    padding-right: 2.5rem;
    position: relative;
    color: var(--text-1);
    font-weight: 600;
    font-size: var(--fs-lead);
    line-height: 1.4;
    transition: color var(--dur-1);
}
.faq-item summary:hover { color: var(--rose-soft); }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
    content: '';
    position: absolute;
    right: 0.3rem; top: 0.55em;
    width: 16px; height: 16px;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: rotate(-45deg);
    transition: transform var(--dur-2) var(--ease-out);
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item__a {
    margin-top: var(--sp-3);
    padding-left: 0;
    color: var(--text-2);
    line-height: 1.7;
    animation: faqOpen 300ms var(--ease-out);
}
.faq-item__a p + p { margin-top: 0.7em; }
.faq-item__a code {
    font-family: var(--font-mono);
    background: rgba(139, 92, 246, 0.1);
    padding: 0.1em 0.4em;
    border-radius: 4px;
    font-size: 0.92em;
}

@keyframes faqOpen {
    from { opacity: 0; transform: translateY(-6px); }
    to   { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
    .faq-item[open] summary::after { transition: none; }
    .faq-item__a { animation: none; }
}