/* News — TechLAB Kiểm nghiệm (editorial layout) */
:root {
    --news-navy: #0a2540;
    --news-blue: #0f75bc;
    --news-ink: #1a2332;
    --news-muted: #5b6b7c;
    --news-line: rgba(10, 37, 64, 0.1);
    --news-soft: #f3f7fb;
}

body.news-list-page,
body.news-article {
    background: var(--news-soft);
    color: var(--news-ink);
}

body.news-list-page header,
body.news-article header,
body.news-list-page .hub-strip,
body.news-article .hub-strip,
body.news-list-page footer,
body.news-article footer {
    background: var(--white);
}

/* —— Hero —— */
.news-hero {
    position: relative;
    background:
        radial-gradient(ellipse 80% 60% at 10% 0%, rgba(15, 117, 188, 0.35), transparent 55%),
        linear-gradient(125deg, #071a2e 0%, #0a2540 42%, #0b5e95 100%);
    color: var(--white);
    padding: 64px 0 56px;
    text-align: left;
    overflow: hidden;
}

.news-hero .container {
    position: relative;
    z-index: 1;
    max-width: 920px;
}

.news-eyebrow {
    display: inline-block;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #93c5fd;
    margin-bottom: 14px;
}

.news-hero h1 {
    color: var(--white);
    text-align: left;
    font-size: clamp(1.75rem, 4vw, 2.35rem);
    margin-bottom: 14px;
    line-height: 1.25;
    max-width: 18ch;
}

.news-hero h1:after {
    left: 0;
    transform: none;
    width: 56px;
    height: 3px;
    background: #ed1c24;
    bottom: -12px;
}

.news-hero-lead {
    max-width: 540px;
    margin: 22px 0 0;
    color: #c7d7e8;
    font-size: 1.05rem;
    line-height: 1.65;
}

.news-hero-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 28px;
    margin-top: 28px;
    padding-top: 22px;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    font-size: 0.88rem;
    color: #bfdbfe;
}

.news-hero-stats strong {
    color: var(--white);
    font-weight: 600;
}

/* —— Listing —— */
.news-list-section {
    padding: 40px 0 72px;
    background: transparent;
}

.news-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 14px 20px;
    margin-bottom: 28px;
}

.news-toolbar-label {
    font-size: 0.9rem;
    color: var(--news-muted);
    font-weight: 500;
}

.news-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.news-filter-btn {
    appearance: none;
    border: 1px solid var(--news-line);
    background: var(--white);
    color: var(--news-ink);
    font-family: inherit;
    font-size: 0.82rem;
    font-weight: 600;
    padding: 8px 14px;
    border-radius: 999px;
    cursor: pointer;
    transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.news-filter-btn:hover {
    border-color: var(--news-blue);
    color: var(--news-blue);
}

.news-filter-btn.is-active {
    background: var(--news-navy);
    border-color: var(--news-navy);
    color: var(--white);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
}

.news-card {
    background: var(--white);
    border-radius: 12px;
    padding: 0;
    box-shadow: 0 1px 2px rgba(10, 37, 64, 0.04), 0 8px 24px rgba(10, 37, 64, 0.05);
    display: flex;
    flex-direction: column;
    border: 1px solid var(--news-line);
    overflow: hidden;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    min-height: 100%;
}

.news-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(10, 37, 64, 0.1);
}

.news-card.is-hidden {
    display: none;
}

.news-card-inner {
    padding: 22px 22px 18px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    flex: 1;
}

.news-card-accent {
    height: 3px;
    background: linear-gradient(90deg, var(--news-blue), #0b5e95);
}

.news-card--featured {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    min-height: 280px;
}

.news-card--featured .news-card-accent {
    display: none;
}

.news-card--featured .news-card-visual {
    background:
        linear-gradient(145deg, rgba(10, 37, 64, 0.92), rgba(15, 117, 188, 0.75)),
        radial-gradient(circle at 30% 40%, rgba(237, 28, 36, 0.35), transparent 50%);
    color: var(--white);
    padding: 28px 28px 24px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    min-height: 240px;
}

.news-card--featured .news-card-visual .news-featured-label {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: #fecaca;
    margin-bottom: 10px;
}

.news-card--featured .news-card-visual h2 {
    color: var(--white);
    font-size: clamp(1.35rem, 2.5vw, 1.75rem);
    margin: 0;
}

.news-card--featured .news-card-visual h2 a {
    color: var(--white);
}

.news-card--featured .news-card-visual h2 a:hover {
    color: #e0f2fe;
}

.news-card--featured .news-card-inner {
    padding: 28px 28px 24px;
    justify-content: center;
}

.news-card-meta {
    font-size: 0.8rem;
    color: var(--news-muted);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px 12px;
}

.news-card-tag {
    display: inline-flex;
    align-items: center;
    background: #e8f3fb;
    color: var(--news-blue);
    font-weight: 700;
    font-size: 0.72rem;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    padding: 4px 9px;
    border-radius: 4px;
}

.news-card h2 {
    font-size: 1.12rem;
    text-align: left;
    margin: 0;
    line-height: 1.4;
    color: var(--news-navy);
}

.news-card h2:after {
    display: none;
}

.news-card h2 a {
    color: inherit;
    text-decoration: none;
}

.news-card h2 a:hover {
    color: var(--news-blue);
}

.news-card p {
    color: var(--news-muted);
    font-size: 0.94rem;
    line-height: 1.6;
    margin: 0;
    flex: 1;
}

.news-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-top: 4px;
    padding-top: 14px;
    border-top: 1px solid var(--news-line);
}

.news-card-link {
    font-weight: 700;
    font-size: 0.88rem;
    color: var(--news-blue);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.news-card-link:hover {
    color: var(--accent-color);
}

.news-card-date {
    font-size: 0.8rem;
    color: var(--news-muted);
}

.news-empty {
    display: none;
    grid-column: 1 / -1;
    text-align: center;
    padding: 48px 20px;
    color: var(--news-muted);
    background: var(--white);
    border-radius: 12px;
    border: 1px dashed var(--news-line);
}

.news-empty.is-visible {
    display: block;
}

/* —— Article —— */
.news-article-hero {
    background:
        radial-gradient(ellipse 70% 80% at 100% 0%, rgba(15, 117, 188, 0.3), transparent 50%),
        linear-gradient(125deg, #071a2e 0%, #0a2540 50%, #0c4a7a 100%);
    color: var(--white);
    padding: 48px 0 40px;
}

.news-article-hero .container {
    max-width: 1100px;
}

.news-article-hero-inner {
    max-width: 720px;
}

.news-breadcrumb {
    font-size: 0.84rem;
    margin-bottom: 16px;
    color: #94a3b8;
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    align-items: center;
}

.news-breadcrumb a {
    color: #cbd5e1;
    text-decoration: none;
}

.news-breadcrumb a:hover {
    color: var(--white);
}

.news-breadcrumb-sep {
    opacity: 0.5;
}

.news-article-hero h1 {
    color: var(--white);
    text-align: left;
    font-size: clamp(1.55rem, 3.2vw, 2.1rem);
    margin-bottom: 16px;
    line-height: 1.3;
}

.news-article-hero h1:after {
    left: 0;
    transform: none;
    width: 48px;
    height: 3px;
    background: #ed1c24;
    bottom: -10px;
}

.news-article-meta {
    font-size: 0.88rem;
    color: #94a3b8;
    display: flex;
    flex-wrap: wrap;
    gap: 8px 18px;
    margin-top: 20px;
}

.news-article-meta .news-card-tag {
    background: rgba(255, 255, 255, 0.12);
    color: #bfdbfe;
}

.news-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 280px;
    gap: 36px;
    align-items: start;
    max-width: 1100px;
    margin: 0 auto;
    padding: 40px 15px 32px;
    width: 90%;
}

.news-article-body {
    padding: 0;
    background: var(--white);
    border-radius: 14px;
    border: 1px solid var(--news-line);
    box-shadow: 0 8px 28px rgba(10, 37, 64, 0.05);
    padding: 36px 40px 40px;
}

.news-article-body .container {
    max-width: none;
    width: 100%;
    padding: 0;
    margin: 0;
}

.news-lead {
    font-size: 1.12rem;
    line-height: 1.7;
    color: var(--news-navy);
    font-weight: 500;
    margin-bottom: 28px;
    padding: 18px 18px 18px 20px;
    background: var(--news-soft);
    border-left: 3px solid var(--news-blue);
    border-radius: 0 8px 8px 0;
}

.news-article-body h2 {
    text-align: left;
    font-size: 1.28rem;
    margin: 32px 0 12px;
    color: var(--news-navy);
}

.news-article-body h2:after {
    left: 0;
    transform: none;
    width: 40px;
    height: 2px;
    background: var(--news-blue);
    bottom: -8px;
}

.news-article-body h3 {
    font-size: 1.08rem;
    margin: 22px 0 8px;
    color: var(--news-navy);
}

.news-article-body p,
.news-article-body li {
    line-height: 1.75;
    color: #334155;
    font-size: 1rem;
}

.news-article-body ul,
.news-article-body ol {
    margin: 0 0 18px 1.15rem;
}

.news-article-body li {
    margin-bottom: 8px;
    list-style: disc;
}

.news-article-body ol li {
    list-style: decimal;
}

.news-table-wrap {
    overflow-x: auto;
    margin: 18px 0 24px;
    border-radius: 8px;
    border: 1px solid var(--news-line);
}

.news-article-body table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.92rem;
    margin: 0;
}

.news-article-body th,
.news-article-body td {
    border: none;
    border-bottom: 1px solid var(--news-line);
    padding: 12px 14px;
    text-align: left;
    vertical-align: top;
}

.news-article-body tr:last-child td {
    border-bottom: none;
}

.news-article-body th {
    background: #eef5fb;
    color: var(--news-navy);
    font-weight: 700;
}

.news-cta-box {
    margin: 36px 0 8px;
    padding: 24px 26px;
    background: linear-gradient(135deg, #0a2540 0%, #0f4c81 100%);
    color: var(--white);
    border-radius: 12px;
    border: none;
}

.news-cta-box p {
    margin-bottom: 16px;
    color: #e2e8f0;
}

.news-cta-box strong {
    color: var(--white);
}

.news-cta-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.news-cta-box .btn-hero-primary {
    background: #ed1c24;
    border-color: #ed1c24;
}

.news-cta-box .btn-hero-secondary {
    background: transparent;
    color: var(--white);
    border-color: rgba(255, 255, 255, 0.55);
}

.news-cta-box .btn-hero-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    border-color: var(--white);
}

/* Sidebar */
.news-aside {
    position: sticky;
    top: 88px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.news-aside-card {
    background: var(--white);
    border: 1px solid var(--news-line);
    border-radius: 12px;
    padding: 18px 18px 16px;
    box-shadow: 0 4px 16px rgba(10, 37, 64, 0.04);
}

.news-aside-card h3 {
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--news-muted);
    margin: 0 0 12px;
}

.news-aside-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.news-aside-list li {
    margin: 0 0 10px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--news-line);
}

.news-aside-list li:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.news-aside-list a {
    color: var(--news-navy);
    font-weight: 600;
    font-size: 0.9rem;
    line-height: 1.4;
    text-decoration: none;
}

.news-aside-list a:hover {
    color: var(--news-blue);
}

.news-aside-cta p {
    font-size: 0.9rem;
    color: var(--news-muted);
    margin: 0 0 12px;
    line-height: 1.5;
}

.news-aside-cta .btn {
    width: 100%;
    min-height: 44px;
    font-size: 0.9rem;
}

/* Related */
.news-related {
    padding: 8px 0 64px;
    background: transparent;
}

.news-related .container {
    max-width: 1100px;
}

.news-related h2 {
    font-size: 1.35rem;
    text-align: left;
    margin-bottom: 22px;
}

.news-related h2:after {
    left: 0;
    transform: none;
    background: var(--news-blue);
}

.news-related .news-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

@media (max-width: 992px) {
    .news-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .news-card--featured {
        grid-template-columns: 1fr;
    }

    .news-layout {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .news-aside {
        position: static;
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 14px;
    }

    .news-related .news-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 640px) {
    .news-hero {
        padding: 44px 0 36px;
        text-align: left;
    }

    .news-hero h1 {
        max-width: none;
    }

    .news-grid,
    .news-related .news-grid {
        grid-template-columns: 1fr;
    }

    .news-article-body {
        padding: 24px 18px 28px;
    }

    .news-aside {
        grid-template-columns: 1fr;
    }

    .news-layout {
        width: 100%;
        padding: 24px 15px 20px;
    }
}