/* ===========================================================================
   Rules page
   =========================================================================== */

/* --- Page banner --------------------------------------------------------- */

.page-banner {
    position: relative;
    display: grid;
    place-items: center;
    min-height: clamp(12rem, 8rem + 18vw, 22rem);
    overflow: hidden;
    isolation: isolate;
}

.page-banner__bg {
    position: absolute;
    inset: 0;
    z-index: -2;
}

.page-banner__bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.page-banner::after {
    content: '';
    position: absolute;
    inset: 0;
    z-index: -1;
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0.55), rgba(255, 255, 255, 0.85));
}

.page-banner__title {
    font-size: var(--text-5xl);
    letter-spacing: var(--tracking-wide);
    text-transform: uppercase;
    color: var(--color-crimson);
    text-align: center;
    padding-inline: var(--gutter);
}

/* --- Rules body ---------------------------------------------------------- */

.rules-group + .rules-group {
    margin-top: var(--section-gap);
}

.rules-group__title {
    font-size: var(--text-2xl);
    letter-spacing: var(--tracking-wide);
    text-transform: uppercase;
    color: var(--color-crimson);
    padding-bottom: var(--space-2xs);
    border-bottom: 2px solid var(--color-crimson);
    margin-bottom: var(--space-lg);
}

.rule-block + .rule-block {
    margin-top: var(--space-lg);
}

.rule-block__title {
    font-family: var(--font-display);
    font-weight: var(--weight-bold);
    font-size: var(--text-lg);
    color: var(--color-ink);
    margin-bottom: var(--space-2xs);
}

.rule-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-2xs);
    font-family: var(--font-ui);
    font-weight: var(--weight-light);
    font-size: var(--text-sm);
    line-height: var(--leading-relaxed);
    color: var(--color-ink);
    max-width: var(--measure);
}

.rule-list li {
    position: relative;
    padding-left: var(--space-md);
}

.rule-list li::before {
    content: '';
    position: absolute;
    left: 2px;
    top: 0.65em;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--color-crimson);
}

/*
 * Numbered rule lists. The approved rules documents number every item, and
 * the page cites them by number, so the marker is content rather than
 * decoration. .rule-list is a flex column, which suppresses native list
 * markers, so the number is drawn with a counter in the same ::before the
 * bullet uses.
 */
.rule-list--numbered {
    counter-reset: rule-item;
}

.rule-list--numbered li {
    padding-left: 2.25rem;
}

.rule-list--numbered li::before {
    counter-increment: rule-item;
    content: counter(rule-item) ".";
    top: 0;
    left: 0;
    width: auto;
    height: auto;
    border-radius: 0;
    background: none;
    color: var(--color-crimson);
    font-weight: var(--weight-bold);
    font-variant-numeric: tabular-nums;
}

/* Sub-headings inside a list carry no bullet. */
.rule-list li.sub-heading,
.rule-list li.sub-heading-normal {
    padding-left: 0;
    margin-top: var(--space-2xs);
    font-family: var(--font-display);
    font-weight: var(--weight-bold);
    font-size: var(--text-base);
    color: var(--color-ink);
}

.rule-list li.sub-heading::before,
.rule-list li.sub-heading-normal::before {
    display: none;
}

.rule-intro {
    font-family: var(--font-ui);
    font-weight: var(--weight-light);
    font-size: var(--text-sm);
    line-height: var(--leading-relaxed);
    color: var(--color-ink);
    max-width: var(--measure);
    margin-bottom: var(--space-2xs);
}

.rule-subheading {
    font-family: var(--font-display);
    font-weight: var(--weight-bold);
    font-size: var(--text-base);
    color: var(--color-ink);
    margin-top: var(--space-md);
    margin-bottom: var(--space-2xs);
}

/* --- FAQ ----------------------------------------------------------------- */

.faq-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-2xs);
    margin-bottom: var(--space-xl);
}

/*
 * Two columns from tablet up, per the design. Multi-column rather than grid
 * because it fills column-major — questions read top-to-bottom down the left
 * column then the right, as drawn, where a grid would fill left-right in rows.
 * break-inside keeps an open answer from splitting across the column gap.
 */
@media (min-width: 48rem) {
    .faq-list {
        display: block;
        columns: 2;
        column-gap: var(--space-xl);
    }

    .faq-item {
        break-inside: avoid;
    }
}

.faq-item {
    border-bottom: 1px solid var(--color-border-soft);
}

.faq-item summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-sm);
    padding: var(--space-sm) 0;
    cursor: pointer;
    font-family: var(--font-display);
    font-weight: var(--weight-bold);
    font-size: var(--text-base);
    color: var(--color-ink);
    list-style: none;
}

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

.faq-item summary::after {
    content: '';
    flex-shrink: 0;
    width: 10px;
    height: 10px;
    border-right: 2px solid var(--color-crimson);
    border-bottom: 2px solid var(--color-crimson);
    transform: rotate(45deg) translate(-2px, -2px);
    transition: transform var(--transition);
}

.faq-item[open] summary::after {
    transform: rotate(-135deg) translate(-2px, -2px);
}

.faq-item__answer {
    padding-bottom: var(--space-md);
    font-family: var(--font-ui);
    font-weight: var(--weight-light);
    font-size: var(--text-sm);
    line-height: var(--leading-relaxed);
    color: var(--color-ink);
    max-width: var(--measure);
}

/* Topics with no answer yet render as plain headings, not dead accordions. */
.faq-topic {
    padding: var(--space-sm) 0;
    font-family: var(--font-display);
    font-weight: var(--weight-bold);
    font-size: var(--text-base);
    color: var(--color-ink);
}

/* --- FAQ contact card ---------------------------------------------------- */

.faq-contact {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    align-items: flex-start;
    padding: clamp(1.5rem, 1rem + 2vw, 2.5rem);
    background: var(--color-surface-alt);
    border: 1px solid var(--color-border-soft);
    border-radius: var(--radius-lg);
}

@media (min-width: 48rem) {
    .faq-contact {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
        gap: var(--space-xl);
    }
}

.faq-contact__title {
    font-family: var(--font-display);
    font-weight: var(--weight-bold);
    font-size: var(--text-lg);
    color: var(--color-ink);
    margin-bottom: var(--space-3xs);
}

.faq-contact__body {
    font-family: var(--font-ui);
    font-weight: var(--weight-light);
    font-size: var(--text-sm);
    line-height: var(--leading-normal);
    color: var(--color-ink);
}

.faq-contact__body a {
    color: var(--color-crimson);
    font-weight: var(--weight-medium);
}