/**
 * BTR Hub blog and article styles.
 *
 * Author: Emanuel Mandat
 * Company: Zuri IT
 * Modified: 24 July 2026
 */

:root {
    --btr-blog-primary: #4f2b7f;
    --btr-blog-primary-dark: #2d174d;
    --btr-blog-accent: #f59e0b;
    --btr-blog-text: #1f2937;
    --btr-blog-muted: #667085;
    --btr-blog-border: #e8e8ee;
    --btr-blog-surface: #ffffff;
    --btr-blog-soft: #f7f7fa;
    --btr-blog-radius: 14px;
    --btr-blog-shadow: 0 16px 40px rgba(26, 18, 45, 0.08);
}

.btr-blog-container,
.btr-article-container {
    width: min(1180px, calc(100% - 40px));
    margin-inline: auto;
}

.btr-article-container--narrow {
    width: min(820px, calc(100% - 40px));
}

.btr-blog-hero,
.btr-article-header {
    padding: 150px 0 72px;
    background:
        radial-gradient(circle at top right, rgba(255, 255, 255, 0.15), transparent 30%),
        linear-gradient(135deg, var(--btr-blog-primary-dark), var(--btr-blog-primary));
    color: #ffffff;
}

.btr-blog-hero--compact {
    padding-bottom: 54px;
}

.btr-blog-eyebrow,
.btr-article-category,
.btr-blog-card__category {
    display: inline-flex;
    align-items: center;
    width: fit-content;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.btr-blog-eyebrow,
.btr-article-category {
    padding: 8px 13px;
    background: rgba(255, 255, 255, 0.14);
    color: #ffffff;
}

.btr-blog-hero h1,
.btr-article-header h1 {
    max-width: 900px;
    margin: 18px 0 0;
    color: #ffffff;
    font-size: clamp(2.35rem, 5vw, 4.5rem);
    line-height: 1.05;
}

.btr-blog-hero__intro {
    max-width: 760px;
    margin-top: 22px;
    color: rgba(255, 255, 255, 0.82);
    font-size: 1.12rem;
    line-height: 1.75;
}

.btr-blog-listing {
    padding: 72px 0 90px;
    background: var(--btr-blog-soft);
}

.btr-blog-toolbar {
    display: grid;
    gap: 22px;
    margin-bottom: 36px;
}

.btr-blog-search {
    display: flex;
    gap: 10px;
    max-width: 620px;
}

.btr-blog-search input {
    flex: 1;
    min-width: 0;
    padding: 14px 16px;
    border: 1px solid var(--btr-blog-border);
    border-radius: 10px;
    background: #ffffff;
}

.btr-blog-search button,
.btr-article-cta a {
    padding: 14px 20px;
    border: 0;
    border-radius: 10px;
    background: var(--btr-blog-primary);
    color: #ffffff;
    font-weight: 700;
    cursor: pointer;
}

.btr-blog-categories {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.btr-blog-categories a {
    padding: 9px 14px;
    border: 1px solid var(--btr-blog-border);
    border-radius: 999px;
    background: #ffffff;
    color: var(--btr-blog-text);
    font-size: 0.9rem;
    text-decoration: none;
}

.btr-blog-categories a:hover,
.btr-blog-categories a.is-active {
    border-color: var(--btr-blog-primary);
    background: var(--btr-blog-primary);
    color: #ffffff;
}

.btr-blog-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 28px;
}

.btr-blog-card {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    min-width: 0;
    border: 1px solid var(--btr-blog-border);
    border-radius: var(--btr-blog-radius);
    background: var(--btr-blog-surface);
    box-shadow: var(--btr-blog-shadow);
    transition: transform 180ms ease, box-shadow 180ms ease;
}

.btr-blog-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 46px rgba(26, 18, 45, 0.13);
}

.btr-blog-card__image-link {
    display: block;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: #ececf2;
}

.btr-blog-card__image,
.btr-blog-card__placeholder {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 250ms ease;
}

.btr-blog-card:hover .btr-blog-card__image {
    transform: scale(1.035);
}

.btr-blog-card__placeholder {
    background: linear-gradient(135deg, #d8d0e5, #f0edf5);
}

.btr-blog-card__content {
    display: flex;
    flex: 1;
    flex-direction: column;
    padding: 24px;
}

.btr-blog-card__category {
    margin-bottom: 14px;
    padding: 6px 10px;
    background: #f2ecf8;
    color: var(--btr-blog-primary);
    text-decoration: none;
}

.btr-blog-card__meta,
.btr-article-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    color: var(--btr-blog-muted);
    font-size: 0.88rem;
}

.btr-article-meta {
    margin-top: 24px;
    color: rgba(255, 255, 255, 0.78);
}

.btr-blog-card__title {
    margin: 14px 0 12px;
    font-size: 1.34rem;
    line-height: 1.35;
}

.btr-blog-card__title a {
    color: var(--btr-blog-text);
    text-decoration: none;
}

.btr-blog-card__excerpt {
    color: var(--btr-blog-muted);
    line-height: 1.72;
}

.btr-blog-card__read-more {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    width: fit-content;
    margin-top: auto;
    padding-top: 18px;
    color: var(--btr-blog-primary-dark);
    font-weight: 700;
    text-decoration: none;
}

.btr-blog-card__read-more span {
    color: var(--btr-blog-accent);
}

.btr-blog-pagination {
    margin-top: 48px;
}

.btr-blog-pagination .nav-links {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.btr-blog-pagination .page-numbers {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 42px;
    min-height: 42px;
    padding: 8px 12px;
    border-radius: 8px;
    background: #ffffff;
    color: var(--btr-blog-text);
    text-decoration: none;
}

.btr-blog-pagination .page-numbers.current {
    background: var(--btr-blog-primary);
    color: #ffffff;
}

.btr-article-featured-image {
    overflow: hidden;
    margin: -34px 0 0;
    border-radius: 18px;
    box-shadow: var(--btr-blog-shadow);
}

.btr-article-featured-image img {
    display: block;
    width: 100%;
    max-height: 620px;
    object-fit: cover;
}

.btr-article-page {
    background: #ffffff;
}

.btr-article-share {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
    margin: 38px 0 26px;
    padding-bottom: 22px;
    border-bottom: 1px solid var(--btr-blog-border);
    color: var(--btr-blog-muted);
    font-size: 0.92rem;
}

.btr-article-share a,
.btr-article-share button {
    border: 0;
    background: transparent;
    color: var(--btr-blog-primary);
    font: inherit;
    font-weight: 700;
    cursor: pointer;
    text-decoration: none;
}

.btr-article-content {
    color: var(--btr-blog-text);
    font-size: 1.08rem;
    line-height: 1.85;
}

.btr-article-content h2,
.btr-article-content h3,
.btr-article-content h4 {
    margin-top: 1.8em;
    color: var(--btr-blog-primary-dark);
    line-height: 1.3;
}

.btr-article-content h2 {
    font-size: clamp(1.7rem, 3vw, 2.3rem);
}

.btr-article-content h3 {
    font-size: 1.45rem;
}

.btr-article-content a {
    color: var(--btr-blog-primary);
    text-decoration-thickness: 1px;
    text-underline-offset: 3px;
}

.btr-article-content blockquote {
    margin: 34px 0;
    padding: 24px 28px;
    border-left: 5px solid var(--btr-blog-accent);
    border-radius: 0 12px 12px 0;
    background: var(--btr-blog-soft);
    color: var(--btr-blog-primary-dark);
    font-size: 1.25rem;
    font-weight: 600;
}

.btr-article-content img {
    height: auto;
    border-radius: 12px;
}

.btr-article-sources,
.btr-article-external-links {
    margin-top: 42px;
    padding: 26px;
    border: 1px solid var(--btr-blog-border);
    border-radius: 14px;
    background: var(--btr-blog-soft);
}

.btr-article-sources h2,
.btr-article-external-links h2 {
    margin: 0 0 16px;
    color: var(--btr-blog-primary-dark);
    font-size: 1.35rem;
}

.btr-article-sources ul {
    margin: 0;
    padding-left: 20px;
}

.btr-article-sources a,
.btr-article-external-links a {
    color: var(--btr-blog-primary);
    font-weight: 700;
}

.btr-article-external-links__buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.btr-article-external-links__buttons a {
    display: inline-flex;
    padding: 11px 16px;
    border-radius: 8px;
    background: #ffffff;
    text-decoration: none;
}

.btr-article-cta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
    margin: 48px 0 72px;
    padding: 34px;
    border-radius: 16px;
    background: linear-gradient(135deg, var(--btr-blog-primary-dark), var(--btr-blog-primary));
    color: #ffffff;
}

.btr-article-cta h2 {
    margin: 0 0 10px;
    color: #ffffff;
}

.btr-article-cta p {
    margin: 0;
    color: rgba(255, 255, 255, 0.82);
}

.btr-article-cta a {
    flex: 0 0 auto;
    background: #ffffff;
    color: var(--btr-blog-primary-dark);
    text-decoration: none;
}

.btr-related-articles {
    padding: 72px 0 90px;
    background: var(--btr-blog-soft);
}

.btr-related-articles > .btr-blog-container > h2 {
    margin: 0 0 28px;
    color: var(--btr-blog-primary-dark);
    font-size: 2rem;
}

.btr-blog-empty {
    padding: 42px;
    border-radius: 14px;
    background: #ffffff;
    text-align: center;
}

@media (max-width: 980px) {
    .btr-blog-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 680px) {
    .btr-blog-container,
    .btr-article-container,
    .btr-article-container--narrow {
        width: min(100% - 28px, 1180px);
    }

    .btr-blog-hero,
    .btr-article-header {
        padding-top: 120px;
    }

    .btr-blog-grid {
        grid-template-columns: 1fr;
    }

    .btr-blog-search,
    .btr-article-cta {
        align-items: stretch;
        flex-direction: column;
    }

    .btr-blog-search button,
    .btr-article-cta a {
        text-align: center;
    }
}