/**
 * Purbodix 2.0 — Article Card Styles
 * Per UI.md: card component with image, category badge, headline, meta
 */

/* ═══════════════════════════════════════════════════════════════════
   STANDARD ARTICLE CARD (NEWS BLOCK)
   ═══════════════════════════════════════════════════════════════════ */
.article-card {
    background: var(--color-white);
    border-radius: 0;
    box-shadow: none;
    border-bottom: 1px solid var(--color-border);
    overflow: hidden;
    padding-bottom: var(--space-3);
    margin-bottom: var(--space-3);
    transition: opacity var(--transition-default);
}

.article-card:hover {
    opacity: 0.9;
}

.article-card__link {
    display: block;
    text-decoration: none;
    color: inherit;
}

.article-card__image-wrap {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16 / 9;
    margin-bottom: var(--space-2);
}

.article-card__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.article-card:hover .article-card__image {
    transform: scale(1.03);
}

.article-card__body {
    padding: 0;
}

.article-card__body .category-badge {
    margin-bottom: var(--space-1);
    display: inline-block;
}

.article-card__title {
    font-family: var(--font-english);
    font-size: 18px;
    font-weight: 700;
    line-height: 1.3;
    color: var(--color-black);
    margin-bottom: var(--space-1);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color var(--transition-fast);
}

.article-card:hover .article-card__title {
    color: var(--color-brand);
}

.article-card__meta {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--color-muted);
}

.article-card__author {
    font-weight: 500;
}

.article-card__sep {
    opacity: 0.5;
}

/* ═══════════════════════════════════════════════════════════════════
   HERO SECTION
   ═══════════════════════════════════════════════════════════════════ */
.hero {
    padding: var(--space-3) 0;
    background: var(--color-white);
    border-bottom: 4px solid var(--color-brand-dark);
}

.hero__main {
    position: relative;
    border-radius: 0;
    overflow: hidden;
}

.hero__main-link {
    display: block;
    text-decoration: none;
}

.hero__main-image {
    position: relative;
    aspect-ratio: 16 / 9;
    overflow: hidden;
}

.hero__main-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.hero__main:hover img {
    transform: scale(1.03);
}

.hero__main-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--space-4) var(--space-3) var(--space-3);
    background: linear-gradient(transparent 0%, rgba(0, 0, 0, 0.85) 100%);
}

.hero__main-overlay .category-badge {
    margin-bottom: var(--space-1);
}

.hero__main-title {
    font-family: var(--font-headline-en);
    font-size: clamp(28px, 4vw, 48px);
    font-weight: 700;
    color: white;
    line-height: 1.1;
    margin-bottom: var(--space-1);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.hero__main-meta {
    display: flex;
    gap: 8px;
    font-size: var(--size-sm);
    color: rgba(255, 255, 255, 0.8);
}

/* Secondary Hero Cards (Top Stories List) */
.hero__card {
    background: var(--color-white);
    border-radius: 0;
    overflow: hidden;
    box-shadow: none;
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-2) 0;
    transition: background var(--transition-fast);
}

.hero__card:last-child {
    border-bottom: none;
}

.hero__card:hover {
    background: var(--color-surface);
}

.hero__card-link {
    display: flex;
    gap: var(--space-3);
    text-decoration: none;
    color: inherit;
    align-items: flex-start;
}

.hero__card-image {
    flex-shrink: 0;
    width: 120px;
    aspect-ratio: 16 / 9;
    overflow: hidden;
}

.hero__card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero__card-content {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    flex: 1;
}

.hero__card-title {
    font-family: var(--font-english);
    font-size: 16px;
    font-weight: 700;
    line-height: 1.3;
    color: var(--color-black);
    margin-top: 4px;
    margin-bottom: 6px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.hero__card:hover .hero__card-title {
    color: var(--color-brand);
}

.hero__card-meta {
    font-size: var(--size-xs);
    color: var(--color-muted);
    display: flex;
    gap: 4px;
}

/* ═══════════════════════════════════════════════════════════════════
   THUMBNAIL CARD (List Style)
   ═══════════════════════════════════════════════════════════════════ */
.card-thumbnail {
    display: flex;
    gap: var(--space-2);
    align-items: flex-start;
    padding: var(--space-2) 0;
    border-bottom: 1px solid var(--color-border);
}

.card-thumbnail:last-child {
    border-bottom: none;
}

.card-thumbnail__link {
    display: flex;
    gap: var(--space-2);
    text-decoration: none;
    color: inherit;
    width: 100%;
}

.card-thumbnail__image {
    flex-shrink: 0;
    width: 100px;
    height: 75px;
    object-fit: cover;
}

.card-thumbnail__content {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.card-thumbnail__title {
    font-family: var(--font-english);
    font-size: 14px;
    font-weight: 700;
    line-height: 1.3;
    color: var(--color-black);
    margin-bottom: 4px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-thumbnail:hover .card-thumbnail__title {
    color: var(--color-brand);
}

.card-thumbnail__meta {
    font-size: 11px;
    color: var(--color-muted);
}

/* ═══════════════════════════════════════════════════════════════════
   OVERLAY CARD (Image Background)
   ═══════════════════════════════════════════════════════════════════ */
.card-overlay {
    position: relative;
    aspect-ratio: 1 / 1; /* Square by default */
    overflow: hidden;
    display: block;
}

.card-overlay__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.card-overlay:hover .card-overlay__image {
    transform: scale(1.05);
}

.card-overlay__content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--space-3) var(--space-2) var(--space-2);
    background: linear-gradient(transparent 0%, rgba(0, 0, 0, 0.9) 100%);
    color: white;
}

.card-overlay__badge {
    position: absolute;
    top: var(--space-2);
    left: var(--space-2);
    padding: 2px 6px;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    color: white;
}

.card-overlay__title {
    font-family: var(--font-english);
    font-size: 16px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 4px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-overlay:hover .card-overlay__title {
    color: var(--color-brand-light);
}

.card-overlay__meta {
    font-size: 11px;
    color: rgba(255, 255, 255, 0.7);
}

/* ═══════════════════════════════════════════════════════════════════
   BREAKING NEWS TICKER
   ═══════════════════════════════════════════════════════════════════ */
.breaking-ticker {
    background: var(--color-breaking);
    height: 36px;
}

.breaking-ticker__inner {
    display: flex;
    align-items: center;
    height: 100%;
    gap: var(--space-2);
}

.breaking-ticker__label {
    background: rgba(0, 0, 0, 0.3);
    color: white;
    font-size: 11px;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    flex-shrink: 0;
}

.breaking-ticker__scroll {
    flex: 1;
    overflow: hidden;
    position: relative;
}

.breaking-ticker__track {
    display: flex;
    gap: var(--space-3);
    white-space: nowrap;
    animation: ticker-scroll 30s linear infinite;
}

.breaking-ticker__track:hover {
    animation-play-state: paused;
}

.breaking-ticker__item {
    color: white;
    font-size: 13px;
    font-weight: 500;
    text-decoration: none;
}
.breaking-ticker__item:hover {
    text-decoration: underline;
    color: white;
}

.breaking-ticker__separator {
    color: rgba(255, 255, 255, 0.5);
}

@keyframes ticker-scroll {
    0% { transform: translateX(100%); }
    100% { transform: translateX(-100%); }
}

/* ═══════════════════════════════════════════════════════════════════
   MOBILE BOTTOM NAV
   ═══════════════════════════════════════════════════════════════════ */
.mobile-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: var(--mobile-nav-height);
    background: var(--color-white);
    border-top: 1px solid var(--color-border);
    box-shadow: 0 -2px 12px rgba(0, 0, 0, 0.08);
    display: flex;
    z-index: var(--z-mobile-nav);
}

@media (min-width: 1024px) {
    .mobile-nav { display: none; }
}

.mobile-nav__item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    text-decoration: none;
    color: var(--color-muted);
    transition: color var(--transition-fast);
    min-height: 44px;
}

.mobile-nav__item--active {
    color: var(--color-brand);
}

.mobile-nav__icon {
    width: 24px;
    height: 24px;
}

.mobile-nav__item--active .mobile-nav__icon {
    stroke-width: 2.5;
}

.mobile-nav__label {
    font-family: var(--font-english);
    font-size: 10px;
    font-weight: 500;
}

/* ═══════════════════════════════════════════════════════════════════
   CONTENT SECTION (Homepage main area)
   ═══════════════════════════════════════════════════════════════════ */
.content-section {
    padding: var(--space-4) 0;
}