/* ==========================================================================
   HOMEPAGE — Hero Slider, Section Rows, Latest Feed
   ========================================================================== */

/* --------------------------------------------------------------------------
   ZONE 1: Hero Slider
   -------------------------------------------------------------------------- */
.hero-slider {
    display: grid;
    grid-template-columns: 1fr 420px;
    height: calc(100vh - var(--header-height));
    min-height: 540px;
    max-width: 1400px;
    margin-inline: auto;
    overflow: hidden;
    background: var(--color-bg-subtle);
    box-shadow: 0 0 0 1px var(--color-border);
}

/* ---- Stage (left panel) ---- */
.hero-slider__stage {
    position: relative;
    overflow: hidden;
    background: #0D1117;
}

/* Slide track — each slide absolutely stacked, cross-fade */
.hero-slider__track {
    position: relative;
    width: 100%;
    height: 100%;
}

.hero-slider__slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transform: scale(1.04);
    transition: opacity 900ms cubic-bezier(0.4, 0, 0.2, 1),
                transform 900ms cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
    will-change: opacity, transform;
}

.hero-slider__slide.is-active {
    opacity: 1;
    transform: scale(1);
    pointer-events: auto;
}

/* Slide background image */
.hero-slider__img-wrap {
    position: absolute;
    inset: 0;
}

.hero-slider__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.hero-slider__img-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #1a2035 0%, #2d3a55 100%);
}

/* Rich gradient: darkens bottom + left for text legibility */
.hero-slider__gradient {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(to top, rgba(0,0,0,0.82) 0%, rgba(0,0,0,0.38) 45%, transparent 75%),
        linear-gradient(to right, rgba(0,0,0,0.25) 0%, transparent 60%);
}

/* Slide content — text overlay, bottom of the stage */
.hero-slider__content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: clamp(1.5rem, 4vw, 3rem) clamp(1.5rem, 4vw, 3rem) 5.5rem;
    z-index: 2;
    /* Slide-up entrance for active slide */
    transform: translateY(12px);
    opacity: 0;
    transition: transform 700ms cubic-bezier(0.22, 1, 0.36, 1) 200ms,
                opacity 700ms ease 200ms;
}

.hero-slider__slide.is-active .hero-slider__content {
    transform: translateY(0);
    opacity: 1;
}

.hero-slider__section {
    display: inline-block;
    font-family: var(--font-ui);
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--color-accent);
    background: rgba(45, 122, 95, 0.15);
    border: 1px solid rgba(45, 122, 95, 0.35);
    padding: 0.22em 0.7em;
    border-radius: 100px;
    margin-bottom: 0.9rem;
    backdrop-filter: blur(4px);
}

.hero-slider__title {
    font-family: var(--font-serif);
    font-size: clamp(1.6rem, 3.5vw, 3rem);
    font-weight: 900;
    color: #FFFFFF;
    line-height: 1.12;
    letter-spacing: -0.02em;
    margin: 0 0 1.5rem;
    max-width: 720px;
    text-shadow: 0 2px 20px rgba(0,0,0,0.4);
}

.hero-slider__cta {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.65rem 1.4rem;
    background: #FFFFFF;
    color: #0D1117;
    font-family: var(--font-ui);
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    border-radius: 100px;
    text-decoration: none;
    transition: background 200ms ease, transform 200ms ease, box-shadow 200ms ease;
    box-shadow: 0 4px 18px rgba(0,0,0,0.3);
}

.hero-slider__cta:hover {
    background: var(--color-accent);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(45,122,95,0.4);
}

/* Arrow controls — bottom-left pill */
.hero-slider__controls {
    position: absolute;
    bottom: 1.75rem;
    left: clamp(1.5rem, 4vw, 3rem);
    z-index: 10;
    display: flex;
    align-items: center;
    gap: 0;
    background: rgba(0, 0, 0, 0.45);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 100px;
    padding: 4px;
}

.hero-slider__arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: none;
    background: transparent;
    color: rgba(255,255,255,0.8);
    cursor: pointer;
    transition: background 150ms ease, color 150ms ease;
    flex-shrink: 0;
}

.hero-slider__arrow:hover {
    background: rgba(255,255,255,0.12);
    color: #fff;
}

.hero-slider__arrow:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

.hero-slider__counter {
    font-family: var(--font-ui);
    font-size: 0.75rem;
    font-weight: 600;
    color: rgba(255,255,255,0.7);
    padding: 0 0.6rem;
    min-width: 44px;
    text-align: center;
    letter-spacing: 0.04em;
    user-select: none;
}

.hero-slider__counter-sep {
    opacity: 0.4;
    margin: 0 2px;
}

/* Mobile dots */
.hero-slider__dots {
    display: none;
    position: absolute;
    bottom: 1.25rem;
    left: 50%;
    transform: translateX(-50%);
    gap: 6px;
    z-index: 10;
}

.hero-slider__dot {
    display: block;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: rgba(255,255,255,0.35);
    transition: background 250ms ease, transform 250ms ease;
    cursor: pointer;
}

.hero-slider__dot.is-active {
    background: #fff;
    transform: scale(1.4);
}

/* ---- Sidebar (right panel) ---- */
.hero-slider__sidebar {
    display: flex;
    flex-direction: column;
    background: var(--color-bg);
    border-left: 1px solid var(--color-border);
    overflow: hidden;
}

[data-theme="dark"] .hero-slider__sidebar { background: #141928; }
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .hero-slider__sidebar { background: #141928; }
}

/* Sidebar header */
.hero-slider__sidebar-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.1rem;
    border-bottom: 1px solid var(--color-border);
    flex-shrink: 0;
    gap: 0.5rem;
}

.hero-slider__sidebar-meta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
    min-width: 0;
}

.hero-slider__issue-badge {
    font-family: var(--font-ui);
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-accent);
    background: rgba(45,122,95,0.1);
    border: 1px solid rgba(45,122,95,0.25);
    padding: 0.2em 0.65em;
    border-radius: 100px;
    flex-shrink: 0;
}

.hero-slider__issue-dates {
    font-family: var(--font-ui);
    font-size: 0.72rem;
    color: var(--color-text-faint);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.hero-slider__view-all {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-family: var(--font-ui);
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--color-accent);
    text-decoration: none;
    white-space: nowrap;
    flex-shrink: 0;
    transition: opacity 150ms ease;
}

.hero-slider__view-all:hover { opacity: 0.75; }

/* Scrollable article list */
.hero-slider__list {
    flex: 1;
    overflow-y: auto;
    overscroll-behavior: contain;
    scroll-behavior: smooth;
}

.hero-slider__list::-webkit-scrollbar { width: 3px; }
.hero-slider__list::-webkit-scrollbar-track { background: transparent; }
.hero-slider__list::-webkit-scrollbar-thumb {
    background: rgba(0,0,0,0.1);
    border-radius: 3px;
}
[data-theme="dark"] .hero-slider__list::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.08); }

/* Each list item — button element */
.hero-slider__list-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    width: 100%;
    padding: 0.85rem 1.1rem;
    border: none;
    border-bottom: 1px solid var(--color-border-light);
    background: transparent;
    cursor: pointer;
    text-align: left;
    transition: background 150ms ease;
    position: relative;
    /* Accent left-border active indicator */
    border-left: 3px solid transparent;
}

.hero-slider__list-item:hover {
    background: var(--color-bg-subtle);
}

.hero-slider__list-item.is-active {
    background: rgba(45, 122, 95, 0.05);
    border-left-color: var(--color-accent);
}

[data-theme="dark"] .hero-slider__list-item.is-active { background: rgba(45,122,95,0.09); }
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .hero-slider__list-item.is-active { background: rgba(45,122,95,0.09); }
}

/* Thumbnail */
.hero-slider__list-thumb {
    flex-shrink: 0;
    width: 62px;
    height: 46px;
    border-radius: 4px;
    overflow: hidden;
    background: var(--color-bg-subtle);
}

.hero-slider__list-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 300ms ease;
}

.hero-slider__list-item:hover .hero-slider__list-thumb img {
    transform: scale(1.05);
}

.hero-slider__list-thumb.is-empty {
    background: linear-gradient(135deg, var(--color-bg-subtle) 0%, var(--color-border) 100%);
}

/* List item text */
.hero-slider__list-text {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.hero-slider__list-section {
    font-family: var(--font-ui);
    font-size: 0.6rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-accent);
    line-height: 1;
}

.hero-slider__list-title {
    font-family: var(--font-serif);
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--color-heading);
    line-height: 1.3;
    /* Clamp to 2 lines */
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color 150ms ease;
}

.hero-slider__list-item:hover .hero-slider__list-title { color: var(--color-accent); }
.hero-slider__list-item.is-active .hero-slider__list-title { color: var(--color-accent); }

/* Progress bar — animates during autoplay */
.hero-slider__list-progress {
    height: 2px;
    background: var(--color-border);
    border-radius: 2px;
    margin-top: 0.35rem;
    overflow: hidden;
}

.hero-slider__list-progress-bar {
    height: 100%;
    width: 0%;
    background: var(--color-accent);
    border-radius: 2px;
    transform-origin: left;
}

/* --------------------------------------------------------------------------
   ZONE 2: Section Rows
   -------------------------------------------------------------------------- */
.section-rows {
    padding-block: var(--space-2xl);
}

.section-row {
    padding-block: var(--space-xl);
    border-bottom: 1px solid var(--color-border-light);
}

.section-row:last-child { border-bottom: none; }

.section-row__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
    margin-top: var(--space-lg);
}

/* Subsection pills */
.section-row__pills {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
    margin-top: var(--space-sm);
}

/* --------------------------------------------------------------------------
   ZONE 3: Latest Articles Feed
   -------------------------------------------------------------------------- */
.latest-feed {
    padding-block: var(--space-2xl);
    border-top: 1px solid var(--color-border);
    background: var(--color-bg-subtle);
}

.latest-feed__header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin-bottom: var(--space-xl);
    gap: var(--space-md);
}

.latest-feed__title {
    font-family: var(--font-serif);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-heading);
    margin: 0;
}

.latest-feed__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

/* First card spans 2 columns */
.latest-feed__grid .article-card:first-child {
    grid-column: span 2;
    flex-direction: row;
}

.latest-feed__grid .article-card:first-child .article-card__image-wrap {
    width: 260px;
    flex-shrink: 0;
    aspect-ratio: auto;
}

.latest-feed__grid .article-card:first-child .article-card__title {
    font-size: 1.35rem;
}

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */

/* Tablet — narrow sidebar */
@media (max-width: 1000px) {
    .hero-slider {
        grid-template-columns: 1fr 300px;
    }
}

/* Hide subsection pills on mobile */
@media (max-width: 768px) {
    .section-row__pills {
        display: none;
    }
}

/* Small tablet — hide sidebar, show dots */
@media (max-width: 768px) {
    .hero-slider {
        grid-template-columns: 1fr;
        height: 80vh;
        min-height: 480px;
    }

    .hero-slider__sidebar {
        display: none;
    }

    .hero-slider__controls {
        display: none;
    }

    .hero-slider__dots {
        display: flex;
    }

    .hero-slider__content {
        padding-bottom: 3.5rem;
    }

    .section-row__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .latest-feed__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .latest-feed__grid .article-card:first-child {
        grid-column: span 2;
    }
}

/* Mobile — single column */
@media (max-width: 480px) {
    .hero-slider {
        height: 88vh;
    }

    .hero-slider__title {
        font-size: clamp(1.4rem, 7vw, 2rem);
    }

    .section-row__grid {
        grid-template-columns: 1fr;
    }

    .latest-feed__grid {
        grid-template-columns: 1fr;
    }

    .latest-feed__grid .article-card:first-child {
        grid-column: span 1;
        flex-direction: column;
    }

    .latest-feed__grid .article-card:first-child .article-card__image-wrap {
        width: 100%;
        aspect-ratio: 3 / 2;
    }
}