/* ============================================================
   VNG Media Theme — Main Stylesheet
   ============================================================ */

/* ---- Reset & Base ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --color-primary:   #c0392b;
    --color-primary-dark: #962d22;
    --color-dark:      #1c1c1c;
    --color-mid:       #444;
    --color-muted:     #888;
    --color-light:     #f4f4f4;
    --color-white:     #ffffff;
    --color-border:    #e0e0e0;
    --font-sans:       'Inter', Arial, Helvetica, sans-serif;
    --font-serif:      Georgia, 'Times New Roman', serif;
    --max-width:       1200px;
    --radius:          4px;
    --shadow-sm:       0 1px 4px rgba(0,0,0,.10);
    --shadow-md:       0 3px 12px rgba(0,0,0,.13);
    --transition:      .2s ease;
}

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-dark);
    background: var(--color-light);
}

a { color: inherit; text-decoration: none; }
a:hover { color: var(--color-primary); }
img { display: block; max-width: 100%; height: auto; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }

/* ---- Typography ---- */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-sans);
    font-weight: 700;
    line-height: 1.25;
    color: var(--color-dark);
}

p { margin-bottom: 1rem; }

/* ---- Layout helpers ---- */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin-inline: auto;
    padding-inline: 16px;
}

.sr-only {
    position: absolute; width: 1px; height: 1px;
    padding: 0; overflow: hidden; clip: rect(0,0,0,0);
    white-space: nowrap; border: 0;
}

/* ============================================================
   SITE HEADER (unified)
   ============================================================ */
.site-header {
    background: var(--color-dark);
    border-bottom: 3px solid var(--color-primary);
    position: sticky;
    top: 0;
    z-index: 100;
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 52px;
    gap: 16px;
}

.site-header__date {
    font-size: .75rem;
    color: #999;
    white-space: nowrap;
}

.site-title {
    font-size: 1.25rem;
    font-weight: 900;
    letter-spacing: .02em;
    text-transform: uppercase;
    color: var(--color-white);
    white-space: nowrap;
    margin: 0;
    line-height: 1;
}
.site-title a { color: inherit; }
.site-title a:hover { color: #ddd; }

.site-header__right {
    display: flex;
    align-items: center;
    gap: 14px;
}

.site-header__social { display: flex; gap: 10px; }
.site-header__social a {
    font-size: .8rem;
    color: #aaa;
    transition: color var(--transition);
}
.site-header__social a:hover { color: var(--color-primary); }

.nav-toggle {
    display: flex;
    align-items: center;
    gap: 6px;
    background: transparent;
    border: 1px solid rgba(255,255,255,.25);
    color: var(--color-white);
    padding: 5px 12px;
    border-radius: var(--radius);
    font-size: .8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .04em;
    cursor: pointer;
    transition: background var(--transition);
    white-space: nowrap;
}
.nav-toggle:hover { background: rgba(255,255,255,.1); }
.nav-toggle__icon { font-size: 1.1rem; line-height: 1; }

/* ============================================================
   MAIN NAVIGATION (dropdown, hidden by default)
   ============================================================ */
.main-nav {
    background: var(--color-primary);
    display: none;
    border-bottom: 2px solid var(--color-primary-dark);
}

.main-nav.is-open { display: block; }

.main-nav ul {
    display: flex;
    flex-wrap: wrap;
    padding: 4px 0;
}

.main-nav ul li a {
    display: block;
    padding: 11px 16px;
    color: var(--color-white);
    font-size: .85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .04em;
    transition: background var(--transition);
    white-space: nowrap;
}

.main-nav ul li a:hover,
.main-nav ul li.current-menu-item > a,
.main-nav ul li.current-menu-ancestor > a {
    background: var(--color-primary-dark);
}

/* Submenú */
.main-nav ul li { position: relative; }
.main-nav ul li ul {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--color-dark);
    min-width: 180px;
    z-index: 200;
    box-shadow: var(--shadow-md);
    flex-direction: column;
}
.main-nav ul li:hover > ul { display: flex; }
.main-nav ul li ul li a {
    font-size: .82rem;
    padding: 10px 16px;
    border-bottom: 1px solid #333;
    background: var(--color-dark);
    text-transform: none;
    letter-spacing: 0;
}
.main-nav ul li ul li a:hover { background: var(--color-primary); }


/* ============================================================
   MAIN CONTENT WRAPPER
   ============================================================ */
.site-main {
    padding: 28px 0 48px;
}

.content-area {
    display: block;
}

/* ============================================================
   HERO SECTION (front page featured)
   ============================================================ */
.hero-section {
    margin-bottom: 32px;
}

.hero-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    grid-template-rows: auto auto;
    gap: 4px;
}

/* Featured main */
.hero-main {
    grid-row: 1 / 3;
    position: relative;
    overflow: hidden;
    border-radius: var(--radius);
}

.hero-main__img {
    width: 100%;
    height: 420px;
    object-fit: cover;
    display: block;
    transition: transform .4s ease;
}

.hero-main:hover .hero-main__img { transform: scale(1.02); }

.hero-main__overlay {
    position: absolute;
    bottom: 0; left: 0; right: 0;
    background: linear-gradient(to top, rgba(0,0,0,.85) 0%, rgba(0,0,0,.3) 70%, transparent 100%);
    padding: 24px 20px 20px;
    color: #fff;
}

.hero-main__cat {
    display: inline-block;
    background: var(--color-primary);
    color: #fff;
    font-size: .7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .08em;
    padding: 3px 8px;
    border-radius: 2px;
    margin-bottom: 8px;
}

.hero-main__title {
    font-size: 1.55rem;
    font-weight: 800;
    color: #fff;
    line-height: 1.2;
}

.hero-main__title a { color: inherit; }
.hero-main__title a:hover { color: #f0c040; }

.hero-main__meta {
    margin-top: 8px;
    font-size: .78rem;
    color: rgba(255,255,255,.75);
}

/* Secondary hero items */
.hero-secondary {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius);
}

.hero-secondary__img {
    width: 100%;
    height: 206px;
    object-fit: cover;
    display: block;
    transition: transform .4s ease;
}
.hero-secondary:hover .hero-secondary__img { transform: scale(1.02); }

.hero-secondary__overlay {
    position: absolute;
    bottom: 0; left: 0; right: 0;
    background: linear-gradient(to top, rgba(0,0,0,.80) 0%, transparent 100%);
    padding: 16px 14px 12px;
    color: #fff;
}

.hero-secondary__cat {
    display: inline-block;
    background: var(--color-primary);
    color: #fff;
    font-size: .65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .08em;
    padding: 2px 6px;
    border-radius: 2px;
    margin-bottom: 6px;
}

.hero-secondary__title {
    font-size: 1rem;
    font-weight: 700;
    color: #fff;
    line-height: 1.25;
}

.hero-secondary__title a { color: inherit; }
.hero-secondary__title a:hover { color: #f0c040; }

/* ============================================================
   SECTION HEADER (titles for article blocks)
   ============================================================ */
.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 3px solid var(--color-primary);
    padding-bottom: 8px;
    margin-bottom: 20px;
}

.section-header__title {
    font-size: 1rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: .06em;
    color: var(--color-dark);
    position: relative;
    padding-left: 12px;
}

.section-header__title::before {
    content: '';
    position: absolute;
    left: 0; top: 0; bottom: 0;
    width: 4px;
    background: var(--color-primary);
    border-radius: 2px;
}

.section-header__more {
    font-size: .78rem;
    color: var(--color-primary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .04em;
    transition: color var(--transition);
}
.section-header__more:hover { color: var(--color-primary-dark); }

/* ============================================================
   ARTICLE CARDS — Grid layout
   ============================================================ */
.articles-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 32px;
}

.article-card {
    background: var(--color-white);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition), transform var(--transition);
    display: flex;
    flex-direction: column;
}

.article-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.article-card__thumb {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16/9;
}

.article-card__thumb img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform .4s ease;
}

.article-card:hover .article-card__thumb img { transform: scale(1.04); }

.article-card__cat {
    position: absolute;
    top: 10px; left: 10px;
    background: var(--color-primary);
    color: #fff;
    font-size: .65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .06em;
    padding: 3px 7px;
    border-radius: 2px;
}

.article-card__body {
    padding: 14px 16px 16px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.article-card__title {
    font-size: .97rem;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 8px;
    flex: 1;
}

.article-card__title a { color: inherit; }
.article-card__title a:hover { color: var(--color-primary); }

.article-card__excerpt {
    font-size: .82rem;
    color: var(--color-mid);
    line-height: 1.5;
    margin-bottom: 10px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.article-card__meta {
    font-size: .75rem;
    color: var(--color-muted);
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: auto;
    padding-top: 10px;
    border-top: 1px solid var(--color-border);
}

.article-card__meta span { display: flex; align-items: center; gap: 4px; }

/* No thumbnail fallback */
.article-card__thumb--placeholder {
    background: var(--color-light);
    aspect-ratio: 16/9;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-border);
    font-size: 2rem;
}

/* ============================================================
   ARTICLE LIST (compact, no image)
   ============================================================ */
.article-list { display: flex; flex-direction: column; gap: 0; margin-bottom: 24px; }

.article-list-item {
    display: flex;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid var(--color-border);
    align-items: flex-start;
}

.article-list-item:last-child { border-bottom: none; }

.article-list-item__num {
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--color-border);
    line-height: 1;
    flex-shrink: 0;
    width: 30px;
    text-align: right;
}

.article-list-item__content { flex: 1; }

.article-list-item__title {
    font-size: .9rem;
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 4px;
}

.article-list-item__title a { color: inherit; }
.article-list-item__title a:hover { color: var(--color-primary); }

.article-list-item__meta { font-size: .73rem; color: var(--color-muted); }

/* ============================================================
   ARTICLE LIST WITH THUMBNAILS (2-col)
   ============================================================ */
.article-thumb-list { display: flex; flex-direction: column; gap: 0; }

.article-thumb-item {
    display: grid;
    grid-template-columns: 90px 1fr;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid var(--color-border);
    align-items: start;
}
.article-thumb-item:last-child { border-bottom: none; }

.article-thumb-item__img {
    width: 90px; height: 60px;
    object-fit: cover;
    border-radius: var(--radius);
    flex-shrink: 0;
}

.article-thumb-item__title {
    font-size: .88rem;
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 4px;
}

.article-thumb-item__title a { color: inherit; }
.article-thumb-item__title a:hover { color: var(--color-primary); }

.article-thumb-item__meta { font-size: .73rem; color: var(--color-muted); }

/* ============================================================
   SINGLE ARTICLE
   ============================================================ */
.single-header { margin-bottom: 24px; }

.single-cats { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 10px; }

.cat-badge {
    display: inline-block;
    background: var(--color-primary);
    color: #fff;
    font-size: .7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .06em;
    padding: 3px 8px;
    border-radius: 2px;
}

.single-title {
    font-size: 2rem;
    font-weight: 900;
    line-height: 1.15;
    margin-bottom: 12px;
}

.single-meta {
    font-size: .82rem;
    color: var(--color-muted);
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--color-border);
    margin-bottom: 24px;
}

.single-meta a { color: var(--color-primary); }
.single-meta a:hover { text-decoration: underline; }

.single-featured {
    margin-bottom: 28px;
    border-radius: var(--radius);
    overflow: hidden;
}

.single-featured img {
    width: 100%;
    max-height: 480px;
    object-fit: cover;
}

.single-featured figcaption {
    font-size: .78rem;
    color: var(--color-muted);
    padding: 6px 8px;
    background: var(--color-light);
    border-bottom-left-radius: var(--radius);
    border-bottom-right-radius: var(--radius);
}

/* Article body */
.article-body {
    font-family: var(--font-serif);
    font-size: 1.05rem;
    line-height: 1.75;
    color: #222;
}

.article-body p { margin-bottom: 1.25rem; }
.article-body h2 { font-size: 1.35rem; margin: 2rem 0 .75rem; font-family: var(--font-sans); }
.article-body h3 { font-size: 1.15rem; margin: 1.5rem 0 .6rem; font-family: var(--font-sans); }
.article-body ul, .article-body ol { padding-left: 1.5rem; margin-bottom: 1.25rem; }
.article-body li { margin-bottom: .4rem; }
.article-body ul li { list-style: disc; }
.article-body ol li { list-style: decimal; }
.article-body blockquote {
    border-left: 4px solid var(--color-primary);
    padding: 12px 20px;
    margin: 1.5rem 0;
    background: var(--color-light);
    border-radius: 0 var(--radius) var(--radius) 0;
    font-style: italic;
    color: var(--color-mid);
}
.article-body a { color: var(--color-primary); text-decoration: underline; }
.article-body strong { font-weight: 700; }
.article-body img { border-radius: var(--radius); margin: 1rem 0; }

/* Tags */
.article-tags {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    margin-top: 28px;
    padding-top: 16px;
    border-top: 1px solid var(--color-border);
}

.article-tags__label { font-size: .82rem; font-weight: 700; color: var(--color-mid); }

.tag-link {
    font-size: .78rem;
    background: var(--color-light);
    border: 1px solid var(--color-border);
    padding: 3px 10px;
    border-radius: 20px;
    color: var(--color-mid);
    transition: all var(--transition);
}
.tag-link:hover { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }

/* Related articles */
.related-articles { margin-top: 40px; }


/* ============================================================
   PAGINATION
   ============================================================ */
.pagination {
    display: flex;
    gap: 4px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--color-border);
}

.pagination a,
.pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px; height: 36px;
    padding: 0 10px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: .85rem;
    font-weight: 500;
    color: var(--color-mid);
    background: var(--color-white);
    transition: all var(--transition);
}

.pagination a:hover { border-color: var(--color-primary); color: var(--color-primary); }
.pagination .current { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }
.pagination .dots { border-color: transparent; background: transparent; pointer-events: none; }

/* ============================================================
   404 & No results
   ============================================================ */
.no-results {
    text-align: center;
    padding: 64px 24px;
    background: var(--color-white);
    border-radius: var(--radius);
}
.no-results__code {
    font-size: 6rem;
    font-weight: 900;
    color: var(--color-border);
    line-height: 1;
}
.no-results__title { font-size: 1.5rem; margin-bottom: 8px; }
.no-results__text { color: var(--color-muted); margin-bottom: 20px; }

/* ============================================================
   ARCHIVE / CATEGORY HEADER
   ============================================================ */
.archive-header {
    background: var(--color-white);
    padding: 20px 24px;
    border-radius: var(--radius);
    margin-bottom: 24px;
    border-left: 5px solid var(--color-primary);
    box-shadow: var(--shadow-sm);
}
.archive-header__label { font-size: .75rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; color: var(--color-primary); margin-bottom: 4px; }
.archive-header__title { font-size: 1.5rem; font-weight: 900; }
.archive-header__desc { font-size: .88rem; color: var(--color-muted); margin-top: 6px; }

/* ============================================================
   SEARCH RESULTS
   ============================================================ */
.search-header {
    background: var(--color-light);
    padding: 16px;
    border-radius: var(--radius);
    margin-bottom: 20px;
    font-size: .9rem;
    color: var(--color-mid);
}
.search-header strong { color: var(--color-dark); }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
    background: var(--color-dark);
    color: #aaa;
    padding-top: 48px;
}

.footer-widgets {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    padding-bottom: 40px;
    border-bottom: 1px solid #333;
}

.footer-widget__title {
    font-size: .82rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .08em;
    color: var(--color-white);
    margin-bottom: 14px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--color-primary);
}

.footer-widget p { font-size: .85rem; line-height: 1.6; margin-bottom: .75rem; }

.footer-widget ul li { padding: 5px 0; }
.footer-widget ul li a {
    font-size: .85rem;
    color: #aaa;
    transition: color var(--transition);
}
.footer-widget ul li a:hover { color: var(--color-white); }

.footer-bottom {
    padding: 16px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    font-size: .78rem;
}

.footer-bottom a { color: #aaa; }
.footer-bottom a:hover { color: var(--color-white); }

/* ============================================================
   UTILITIES
   ============================================================ */
.text-muted { color: var(--color-muted); }
.text-primary { color: var(--color-primary); }

.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 9px 18px;
    border-radius: var(--radius);
    font-size: .85rem;
    font-weight: 600;
    transition: all var(--transition);
    cursor: pointer;
}

.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-dark); color: #fff; }
.btn-outline { border: 2px solid var(--color-primary); color: var(--color-primary); }
.btn-outline:hover { background: var(--color-primary); color: #fff; }

.load-more {
    display: flex;
    justify-content: center;
    margin-top: 24px;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

/* Tablet */
@media (max-width: 1024px) {
.articles-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-widgets { grid-template-columns: repeat(2, 1fr); }
    .hero-grid { grid-template-columns: 3fr 2fr; }
}

/* Mobile */
@media (max-width: 700px) {
    .site-header__date { display: none; }
    .site-title { font-size: 1rem; }
    .hero-grid { grid-template-columns: 1fr; grid-template-rows: auto; }
    .hero-main { grid-row: auto; }
    .hero-main__img { height: 240px; }
    .hero-main__title { font-size: 1.2rem; }
    .articles-grid { grid-template-columns: 1fr; }
    .footer-widgets { grid-template-columns: 1fr; gap: 20px; }
    .single-title { font-size: 1.4rem; }
    .footer-bottom { flex-direction: column; align-items: flex-start; }
}