/**
 * CSEC Article Listing — hero, filter tabs, pins, intro, grid, cards, pagination,
 * plus pillar-hub cluster sections. Scoped under .csec-listing (and .csec-hub-section)
 * to avoid colliding with Divi defaults.
 */

.csec-listing {
    --csec-green: #007858;
    --csec-green-deep: #004d38;
    --csec-green-soft: #e8f2ee;
    --csec-cream: #faf7f2;
    --csec-paper: #ffffff;
    --csec-ink: #141817;
    --csec-text: #3a4240;
    --csec-muted: #7a8380;
    --csec-line: #e8e4dc;

    --font-display: "Fraunces", Georgia, "Times New Roman", serif;
    --font-body: "Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

    background: var(--csec-cream);
    font-family: var(--font-body);
    color: var(--csec-text);
    padding: 48px 0 96px;
    position: relative;
}

.csec-listing *,
.csec-listing *::before,
.csec-listing *::after {
    box-sizing: border-box;
}

.csec-listing__wrap {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Breadcrumb ----------------------------------------------------- */
.csec-breadcrumb {
    font-size: 13px;
    color: var(--csec-muted);
    margin-bottom: 24px;
    letter-spacing: 0.01em;
}
.csec-breadcrumb a {
    color: var(--csec-muted);
    text-decoration: none;
    transition: color 150ms ease;
}
.csec-breadcrumb a:hover { color: var(--csec-green); }
.csec-breadcrumb__sep {
    margin: 0 8px;
    opacity: 0.5;
}
.csec-breadcrumb [aria-current="page"] {
    color: var(--csec-ink);
    font-weight: 500;
}

/* Hero ----------------------------------------------------------- */
.csec-hero {
    max-width: 820px;
    margin: 0 0 40px;
    padding-bottom: 32px;
    border-bottom: 1px solid var(--csec-line);
    position: relative;
}
.csec-hero::after {
    content: "";
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 64px;
    height: 3px;
    background: var(--csec-green);
    border-radius: 2px;
}
.csec-hero__title {
    font-family: var(--font-display);
    font-weight: 450;
    font-style: normal;
    font-size: clamp(32px, 4.2vw, 52px);
    line-height: 1.08;
    letter-spacing: -0.015em;
    color: var(--csec-ink);
    margin: 0 0 16px;
    font-variation-settings: "SOFT" 50, "WONK" 0, "opsz" 40;
}
.csec-hero__subtitle {
    font-size: clamp(15px, 1.3vw, 18px);
    line-height: 1.55;
    color: var(--csec-text);
    margin: 0;
    max-width: 680px;
}

/* Filter tabs ---------------------------------------------------- */
.csec-filters {
    margin: 0 -24px 40px;
    padding: 0 24px;
    position: sticky;
    top: 0;
    z-index: 5;
    background: var(--csec-cream);
}
.csec-filters::after {
    content: "";
    display: block;
    height: 1px;
    background: var(--csec-line);
    margin-top: 16px;
}
.csec-filters__scroll {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    padding: 16px 0 4px;
    scrollbar-width: none;
    -ms-overflow-style: none;
    scroll-behavior: smooth;
}
.csec-filters__scroll::-webkit-scrollbar { display: none; }

.csec-filters__tab {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    height: 40px;
    padding: 0 18px;
    border-radius: 999px;
    border: 1px solid var(--csec-line);
    background: var(--csec-paper);
    color: var(--csec-ink);
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.005em;
    text-decoration: none;
    white-space: nowrap;
    transition: background 180ms ease, color 180ms ease, border-color 180ms ease, transform 180ms ease;
}
.csec-filters__tab:hover {
    border-color: var(--csec-green);
    color: var(--csec-green-deep);
    background: var(--csec-green-soft);
}
.csec-filters__tab.is-active {
    background: var(--csec-green);
    border-color: var(--csec-green);
    color: #fff;
}
.csec-filters__tab.is-active:hover {
    background: var(--csec-green-deep);
    border-color: var(--csec-green-deep);
    color: #fff;
}

/* Article grid --------------------------------------------------- */
.csec-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 32px 32px;
    margin-bottom: 56px;
}

/* Standard card -------------------------------------------------- */
.csec-card {
    position: relative;
}
.csec-card__link {
    display: flex;
    flex-direction: column;
    height: 100%;
    text-decoration: none;
    color: inherit;
    background: var(--csec-paper);
    border-radius: 12px;
    border: 1px solid var(--csec-line);
    overflow: hidden;
    transition: box-shadow 280ms ease, transform 280ms ease, border-color 280ms ease;
}
.csec-card__link:hover {
    border-color: transparent;
    box-shadow: 0 18px 44px -20px rgba(0, 77, 56, 0.22);
    transform: translateY(-4px);
}
.csec-card__media {
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: var(--csec-green-soft);
    position: relative;
}
.csec-card__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 520ms ease;
}
.csec-card__link:hover .csec-card__img {
    transform: scale(1.04);
}
.csec-card__img--placeholder {
    background: linear-gradient(135deg, var(--csec-green-soft) 0%, #d8e8e1 100%);
}
.csec-card__body {
    padding: 22px 22px 24px;
    display: flex;
    flex-direction: column;
    flex: 1;
}
.csec-card__chip {
    display: inline-flex;
    align-items: center;
    align-self: flex-start;
    padding: 4px 10px;
    background: var(--csec-green-soft);
    color: var(--csec-green-deep);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    border-radius: 999px;
    margin-bottom: 14px;
}
.csec-card__title {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 20px;
    line-height: 1.25;
    letter-spacing: -0.005em;
    color: var(--csec-ink);
    margin: 0 0 12px;
    font-variation-settings: "SOFT" 50, "opsz" 20;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color 200ms ease;
}
.csec-card__link:hover .csec-card__title {
    color: var(--csec-green-deep);
}
.csec-card__excerpt {
    font-size: 14.5px;
    line-height: 1.55;
    color: var(--csec-text);
    margin: 0 0 18px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.csec-card__meta {
    margin-top: auto;
    font-size: 12.5px;
    color: var(--csec-muted);
    letter-spacing: 0.005em;
}
.csec-card__meta time {
    font-variant-numeric: tabular-nums;
}

/* Empty state ---------------------------------------------------- */
.csec-empty {
    background: var(--csec-paper);
    border: 1px solid var(--csec-line);
    border-radius: 12px;
    padding: 56px 28px;
    text-align: center;
    color: var(--csec-text);
}
.csec-empty p { margin: 0 0 16px; font-size: 16px; }
.csec-empty__link {
    color: var(--csec-green-deep);
    font-weight: 600;
    text-decoration: none;
}
.csec-empty__link:hover { color: var(--csec-green); }

/* Pagination ----------------------------------------------------- */
.csec-pagination {
    display: flex;
    justify-content: center;
    margin-top: 24px;
}
.csec-pagination ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: 6px;
}
.csec-pagination li { margin: 0; }
.csec-pagination a,
.csec-pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 12px;
    border-radius: 8px;
    background: transparent;
    color: var(--csec-ink);
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    font-variant-numeric: tabular-nums;
    transition: background 160ms ease, color 160ms ease, border-color 160ms ease;
    border: 1px solid transparent;
}
.csec-pagination a:hover {
    background: var(--csec-green-soft);
    color: var(--csec-green-deep);
}
.csec-pagination .current {
    background: var(--csec-green);
    color: #fff;
}
.csec-pagination .dots {
    color: var(--csec-muted);
}

/* Hide legacy Divi blog clutter that may bleed through if the shortcode
   is inserted inside a Divi row still rendering post meta or tags. ------ */
.csec-listing .post-meta,
.csec-listing .entry-meta,
.csec-listing .comments-number {
    display: none !important;
}

/* Responsive ---------------------------------------------------- */
@media (max-width: 1199px) {
    .csec-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
}

@media (max-width: 899px) {
    .csec-listing { padding: 32px 0 72px; }
    .csec-listing__wrap { padding: 0 20px; }
    .csec-hero { margin-bottom: 28px; padding-bottom: 24px; }
    .csec-filters { margin: 0 -20px 32px; padding: 0 20px; }
}

@media (max-width: 599px) {
    .csec-listing { padding: 24px 0 64px; }
    .csec-listing__wrap { padding: 0 16px; }
    .csec-filters { margin: 0 -16px 28px; padding: 0 16px; }
    .csec-filters__scroll {
        padding: 14px 0 4px;
        mask-image: linear-gradient(to right, #000 0, #000 calc(100% - 32px), transparent 100%);
        -webkit-mask-image: linear-gradient(to right, #000 0, #000 calc(100% - 32px), transparent 100%);
    }
    .csec-filters__scroll.is-end {
        mask-image: none;
        -webkit-mask-image: none;
    }
    .csec-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        margin-bottom: 40px;
    }
    .csec-card__body { padding: 20px 20px 22px; }
    .csec-card__title { font-size: 19px; }
    .csec-pagination a,
    .csec-pagination span { min-width: 36px; height: 36px; font-size: 13px; }
}

/* Reduce motion --------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
    .csec-listing *,
    .csec-listing *::before,
    .csec-listing *::after {
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
    }
    .csec-card__link:hover { transform: none; }
    .csec-card__link:hover .csec-card__img { transform: none; }
}

/* ---------- Pillar hub sections (hero + compact list) ---------- */
.csec-hub-section {
    margin: 48px 0;
    padding-top: 24px;
    border-top: 1px solid var(--csec-line);
}
.csec-hub-section:first-of-type {
    border-top: 0;
    padding-top: 0;
    margin-top: 24px;
}
.csec-hub-section__title {
    font-size: 26px;
    line-height: 1.2;
    margin: 0 0 14px;
    color: var(--csec-green);
    font-weight: 700;
}
.csec-hub-section__title a { color: inherit; text-decoration: none; }
.csec-hub-section__title a:hover { text-decoration: underline; }

.csec-hub-section__intro {
    max-width: 68ch;
    margin: 0 0 20px;
    color: var(--csec-text);
    line-height: 1.6;
}

.csec-hub-section__grid {
    display: grid;
    grid-template-columns: minmax(0, 600px) minmax(0, 1fr);
    gap: 28px;
    align-items: start;
}
.csec-hub-section__grid > .csec-card {
    /* The hero card inherits all .csec-card styles; we just need it to sit in column 1. */
    max-width: 600px;
}

.csec-hub-section__list {
    display: flex;
    flex-direction: column;
    min-width: 0;
}
.csec-hub-section__list-items {
    list-style: none !important;
    margin: 0;
    padding: 0;
    border-top: 1px solid var(--csec-line);
}
.csec-hub-section__list-items > li {
    list-style: none !important;
    margin-left: 0;
    padding-left: 0;
}
.csec-hub-section__list-items > li::marker {
    content: "";
}

.csec-hub-listrow {
    border-bottom: 1px solid var(--csec-line);
}
.csec-hub-listrow__link {
    display: grid;
    grid-template-columns: 80px minmax(0, 1fr);
    gap: 14px;
    align-items: center;
    padding: 12px 0;
    color: inherit;
    text-decoration: none;
    transition: color 160ms ease;
}
.csec-hub-listrow__link:hover .csec-hub-listrow__title { color: var(--csec-green-deep); }
.csec-hub-listrow__link:focus-visible {
    outline: 2px solid var(--csec-green);
    outline-offset: 2px;
    border-radius: 4px;
}
.csec-hub-listrow__thumb {
    width: 80px; height: 80px;
    border-radius: 8px;
    overflow: hidden;
    background: var(--csec-green-soft);
}
.csec-hub-listrow__thumb-img {
    width: 100%; height: 100%;
    object-fit: cover;
    display: block;
}
.csec-hub-listrow__body { min-width: 0; }
.csec-hub-listrow__title {
    font-size: 14px;
    font-weight: 600;
    line-height: 1.4;
    color: var(--csec-ink);
    margin: 0 0 6px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.csec-hub-listrow__meta {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    font-size: 11px;
    color: var(--csec-muted);
}

.csec-hub-reviewed-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 8px;
    border-radius: 999px;
    background: var(--csec-green-soft);
    color: var(--csec-green-deep);
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.04em;
    white-space: nowrap;
}
.csec-hub-reviewed-badge__check {
    color: var(--csec-green);
    font-size: 11px;
    line-height: 1;
}

.csec-hub-section__more {
    display: inline-block;
    margin-top: 14px;
    font-size: 14px;
    font-weight: 600;
    color: var(--csec-green);
    text-decoration: none;
}
.csec-hub-section__more:hover { text-decoration: underline; }

/* ---------- Cluster page pins + intro ---------- */
.csec-intro {
    max-width: 72ch;
    margin: 16px 0 28px;
    color: #333;
    line-height: 1.6;
}
.csec-intro h2, .csec-intro h3 { color: #007858; }
.csec-pins {
    margin-bottom: 40px;
}
.csec-pins__grid {
    display: grid;
    gap: 24px;
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

@media (max-width: 899px) {
    /* Cluster-page pins stay 1-column (existing behavior). */
    .csec-pins__grid { grid-template-columns: 1fr; }

    /* Hub: collapse to single column, tighten spacings, hide desktop-only list rows. */
    .csec-hub-section { margin: 32px 0; }
    .csec-hub-section__title { font-size: 22px; margin-bottom: 10px; }
    .csec-hub-section__grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    .csec-hub-listrow--desktop-only { display: none; }
    .csec-hub-listrow__link { grid-template-columns: 72px minmax(0, 1fr); gap: 12px; }
    .csec-hub-listrow__thumb { width: 72px; height: 72px; }
    .csec-hub-listrow__title { font-size: 14px; }

    /* Hero card on mobile: drop the excerpt to save ~60px per section × 6 sections. */
    .csec-hub-section__grid > .csec-card .csec-card__excerpt { display: none; }
}