/* ==========================================================================
   YAFE ARTICLE & READING SYSTEM - CSS
   ========================================================================== */

.article-page {
    background: #f8fafc;
    color: #0f172a;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.75;
}

.article-hero {
    padding: 140px 0 50px;
    background: linear-gradient(180deg, #f0f7ff 0%, #f8fafc 100%);
    border-bottom: 1px solid #e2e8f0;
}

.article-hero-inner {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 24px;
}

.article-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    background: #e0f2fe;
    color: #0284c7;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 16px;
}

.article-title {
    font-size: clamp(32px, 4.5vw, 48px);
    font-weight: 900;
    line-height: 1.15;
    letter-spacing: -0.03em;
    color: #0f172a;
    margin-bottom: 20px;
}

.article-lead {
    font-size: 18px;
    line-height: 1.65;
    color: #475569;
    max-width: 860px;
    margin-bottom: 24px;
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 16px;
    font-size: 13px;
    font-weight: 500;
    color: #64748b;
    padding-top: 16px;
    border-top: 1px solid #e2e8f0;
}

.article-layout {
    max-width: 1140px;
    margin: 48px auto 80px;
    padding: 0 24px;
    display: grid;
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 56px;
    align-items: start;
}

@media (max-width: 960px) {
    .article-layout {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

.article-body {
    background: #ffffff;
    padding: 44px;
    border-radius: 20px;
    border: 1px solid #e2e8f0;
    box-shadow: 0 4px 20px -5px rgba(0,0,0,0.05);
}

@media (max-width: 640px) {
    .article-body {
        padding: 24px;
    }
}

.article-body h2 {
    font-size: 26px;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: #0f172a;
    margin: 40px 0 16px;
    line-height: 1.3;
}

.article-body h2:first-of-type {
    margin-top: 0;
}

.article-body h3 {
    font-size: 20px;
    font-weight: 700;
    color: #1e293b;
    margin: 28px 0 12px;
}

.article-body p {
    font-size: 16px;
    color: #334155;
    margin-bottom: 20px;
    line-height: 1.8;
}

.article-body ul, .article-body ol {
    margin: 0 0 24px 24px;
    color: #334155;
}

.article-body li {
    margin-bottom: 8px;
    line-height: 1.7;
}

.article-figure {
    margin: 36px 0;
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid #e2e8f0;
    background: #0f172a;
    box-shadow: 0 12px 30px -10px rgba(0,0,0,0.1);
}

.article-figure img {
    display: block;
    width: 100%;
    max-height: 460px;
    object-fit: cover;
}

.article-figure video {
    display: block;
    width: 100%;
    max-height: 480px;
    background: #000000;
}

.article-figure figcaption {
    padding: 12px 18px;
    background: #ffffff;
    border-top: 1px solid #e2e8f0;
    font-size: 13px;
    color: #64748b;
    font-style: italic;
}

.article-callout {
    background: #f0fdf4;
    border-left: 4px solid #10b981;
    border-radius: 0 12px 12px 0;
    padding: 20px 24px;
    margin: 28px 0;
}

.article-callout.blue {
    background: #eff6ff;
    border-left-color: #2563eb;
}

.article-callout strong {
    display: block;
    font-size: 15px;
    color: #0f172a;
    margin-bottom: 6px;
}

.article-callout p {
    font-size: 14px;
    color: #334155;
    margin-bottom: 0;
}

.article-back-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 700;
    color: #2563eb;
    margin-top: 36px;
    text-decoration: none;
    transition: gap 0.2s ease;
}

.article-back-link:hover {
    gap: 12px;
}

/* SIDEBAR */
.article-sidebar {
    position: sticky;
    top: 100px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.sidebar-card {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 16px;
    padding: 24px;
    box-shadow: 0 4px 14px -4px rgba(0,0,0,0.05);
}

.sidebar-card-title {
    font-size: 14px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: #0f172a;
    margin-bottom: 14px;
    padding-bottom: 8px;
    border-bottom: 1px solid #f1f5f9;
}

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

.sidebar-list li {
    font-size: 13px;
    color: #475569;
    margin-bottom: 10px;
    display: flex;
    align-items: flex-start;
    gap: 8px;
}

.sidebar-list li::before {
    content: "•";
    color: #2563eb;
    font-weight: bold;
}

/* =========================================================
   CONTEXTUAL IN-TEXT INTERNAL LINKS (BLOG BODY)
========================================================= */
.article-body p a,
.article-body li a {
    color: #2563eb;
    font-weight: 600;
    text-decoration: underline;
    text-decoration-color: rgba(37, 99, 235, 0.4);
    text-underline-offset: 3px;
    transition: color 0.15s ease, text-decoration-color 0.15s ease;
}

.article-body p a:hover,
.article-body li a:hover {
    color: #1d4ed8;
    text-decoration-color: #1d4ed8;
}