/* ================================================
   ARTICLE PAGE STYLES
   ================================================ */

/* ---- Article Hero ---- */
.art-hero {
    padding: 120px 0 60px;
    background: #0a0a0f;
    position: relative;
    overflow: hidden;
}
.art-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 60% 50% at 50% 0%, rgba(125,217,237,0.08) 0%, transparent 70%);
    pointer-events: none;
}
.art-hero-inner {
    max-width: 780px;
    margin: 0 auto;
    padding: 0 24px;
}
.art-breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.78rem;
    color: rgba(255,255,255,0.45);
    margin-bottom: 24px;
}
.art-breadcrumb a {
    color: rgba(255,255,255,0.45);
    text-decoration: none;
    transition: color 0.2s;
}
.art-breadcrumb a:hover { color: #7DD9ED; }
.art-breadcrumb span { color: rgba(255,255,255,0.25); }
.art-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}
.art-cat-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.04em;
}
.art-cat--aiseo   { background: rgba(29,78,216,0.25); color: #93c5fd; border: 1px solid rgba(29,78,216,0.4); }
.art-cat--strategy{ background: rgba(17,24,39,0.6);   color: #d1d5db; border: 1px solid rgba(75,85,99,0.5); }
.art-cat--tech    { background: rgba(15,23,42,0.6);   color: #7DD9ED; border: 1px solid rgba(125,217,237,0.3); }
.art-cat--trend   { background: rgba(180,83,9,0.25);  color: #fcd34d; border: 1px solid rgba(180,83,9,0.4); }
.art-cat--aio     { background: rgba(76,29,149,0.25); color: #c4b5fd; border: 1px solid rgba(76,29,149,0.4); }
.art-date {
    font-size: 0.8rem;
    color: rgba(255,255,255,0.4);
}
.art-hero-title {
    font-size: clamp(1.6rem, 4vw, 2.2rem);
    font-weight: 800;
    color: #fff;
    line-height: 1.35;
    margin-bottom: 20px;
}
.art-hero-lead {
    font-size: 1.05rem;
    color: rgba(255,255,255,0.65);
    line-height: 1.7;
    margin-bottom: 32px;
}
.art-hero-thumb {
    width: 100%;
    aspect-ratio: 16 / 9;
    border-radius: 16px;
    overflow: hidden;
    margin-top: 40px;
}
.art-hero-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* ---- Article Body ---- */
.art-body {
    padding: 64px 0 80px;
    background: #fff;
}
.art-body-inner {
    max-width: 780px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Typography */
.art-body h2 {
    font-size: 1.45rem;
    font-weight: 800;
    color: #0a0a0f;
    margin: 56px 0 18px;
    padding-left: 16px;
    border-left: 4px solid #7DD9ED;
    line-height: 1.35;
}
.art-body h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: #111827;
    margin: 36px 0 12px;
}
.art-body p {
    font-size: 1.02rem;
    line-height: 1.85;
    color: #374151;
    margin-bottom: 20px;
}
.art-body ul,
.art-body ol {
    margin: 0 0 24px 0;
    padding-left: 24px;
}
.art-body li {
    font-size: 1rem;
    line-height: 1.75;
    color: #374151;
    margin-bottom: 8px;
}
.art-body strong { color: #111827; font-weight: 700; }
.art-body a { color: #1d4ed8; text-decoration: underline; }

/* Callout box */
.art-callout {
    background: #f0fdfe;
    border: 1px solid rgba(125,217,237,0.4);
    border-left: 4px solid #7DD9ED;
    border-radius: 8px;
    padding: 20px 24px;
    margin: 28px 0;
}
.art-callout p { margin-bottom: 0; color: #0c4a52; }

/* Stats box */
.art-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin: 32px 0;
}
.art-stat-item {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 20px 16px;
    text-align: center;
}
.art-stat-num {
    display: block;
    font-size: 1.8rem;
    font-weight: 800;
    color: #0a0a0f;
    line-height: 1.1;
    margin-bottom: 6px;
}
.art-stat-label {
    font-size: 0.78rem;
    color: #64748b;
    line-height: 1.4;
}

/* Table */
.art-table-wrap {
    overflow-x: auto;
    margin: 28px 0;
}
.art-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.93rem;
}
.art-table th {
    background: #0a0a0f;
    color: #fff;
    padding: 12px 16px;
    text-align: left;
    font-weight: 600;
    white-space: nowrap;
}
.art-table td {
    padding: 12px 16px;
    border-bottom: 1px solid #e2e8f0;
    color: #374151;
    line-height: 1.5;
}
.art-table tr:nth-child(even) td { background: #f8fafc; }

/* Author */
.art-author {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 28px 0;
    border-top: 1px solid #e2e8f0;
    margin-top: 48px;
}
.art-author-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, #0a0a0f 0%, #1a1a2e 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #7DD9ED;
    font-size: 0.75rem;
    font-weight: 800;
    flex-shrink: 0;
}
.art-author-name {
    font-size: 0.9rem;
    font-weight: 700;
    color: #111827;
}
.art-author-role {
    font-size: 0.78rem;
    color: #64748b;
    margin-top: 2px;
}

/* ---- Related Articles ---- */
.art-related {
    padding: 64px 0;
    background: #f8fafc;
}
.art-related-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}
.art-related h2 {
    font-size: 1.3rem;
    font-weight: 800;
    color: #0a0a0f;
    margin-bottom: 32px;
}
.art-related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.art-related-card {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    text-decoration: none;
    border: 1px solid #e2e8f0;
    transition: box-shadow 0.2s, transform 0.2s;
}
.art-related-card:hover {
    box-shadow: 0 8px 24px rgba(0,0,0,0.08);
    transform: translateY(-2px);
}
.art-related-thumb {
    aspect-ratio: 16/9;
    overflow: hidden;
}
.art-related-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.art-related-body {
    padding: 16px;
}
.art-related-cat {
    font-size: 0.72rem;
    font-weight: 700;
    color: #7DD9ED;
    margin-bottom: 6px;
    display: block;
}
.art-related-title {
    font-size: 0.9rem;
    font-weight: 700;
    color: #111827;
    line-height: 1.4;
}

/* ---- CTA ---- */
.art-cta {
    background: #0a0a0f;
    padding: 64px 24px;
    text-align: center;
}
.art-cta-label {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    color: #7DD9ED;
    margin-bottom: 12px;
}
.art-cta-title {
    font-size: clamp(1.3rem, 3vw, 1.8rem);
    font-weight: 800;
    color: #fff;
    margin-bottom: 10px;
}
.art-cta-sub {
    font-size: 0.95rem;
    color: rgba(255,255,255,0.55);
    margin-bottom: 28px;
}
.art-cta-btn {
    display: inline-block;
    background: #7DD9ED;
    color: #0a0a0f;
    font-weight: 800;
    font-size: 0.95rem;
    padding: 14px 32px;
    border-radius: 8px;
    text-decoration: none;
    transition: opacity 0.2s;
}
.art-cta-btn:hover { opacity: 0.85; }

/* ---- Responsive ---- */
@media (max-width: 768px) {
    .art-hero { padding: 100px 0 48px; }
    .art-body h2 { font-size: 1.2rem; margin-top: 40px; }
    .art-stats { grid-template-columns: repeat(2, 1fr); }
    .art-related-grid { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
    .art-stats { grid-template-columns: 1fr; }
    .art-hero-title { font-size: 1.4rem; }
}