/* =================================================================
   LingoVoice Blog Stylesheet
   Extends landing.css for article prose and blog index cards
   ================================================================= */

/* ====== BLOG INDEX CARDS ====== */
.blog-hero {
    padding: 140px 0 60px;
    text-align: center;
}

.blog-hero h1 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    letter-spacing: -0.5px;
    margin-bottom: 16px;
}

.blog-hero p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 32px;
    padding-bottom: 80px;
}

.blog-card {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 32px;
    transition: transform 0.2s ease, border-color 0.2s ease;
    display: flex;
    flex-direction: column;
}

.blog-card:hover {
    transform: translateY(-4px);
    border-color: rgba(255, 255, 255, 0.15);
}

.blog-card-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 4px 12px;
    border-radius: 20px;
    margin-bottom: 16px;
    width: fit-content;
}

.blog-card-tag.healthcare { background: rgba(239, 68, 68, 0.15); color: #f87171; }
.blog-card-tag.education  { background: rgba(16, 185, 129, 0.15); color: #34d399; }
.blog-card-tag.legal      { background: rgba(59, 130, 246, 0.15); color: #60a5fa; }

.blog-card h2 {
    font-size: 1.35rem;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.blog-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 20px;
    flex: 1;
}

.blog-card-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: auto;
}

.blog-card-date {
    font-size: 0.85rem;
    color: var(--text-tertiary);
}

.blog-card-link {
    color: #60A5FA;
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    transition: color 0.2s ease;
}

.blog-card-link:hover { color: #93bbfc; }

/* ====== ARTICLE LAYOUT ====== */
.article-header {
    padding: 140px 0 40px;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.article-header .blog-card-tag {
    margin-bottom: 20px;
}

.article-header h1 {
    font-size: clamp(1.8rem, 3.5vw, 2.6rem);
    font-weight: 800;
    letter-spacing: -0.5px;
    line-height: 1.2;
    margin-bottom: 16px;
}

.article-header .article-meta {
    color: var(--text-tertiary);
    font-size: 0.9rem;
}

.article-header .article-meta span + span::before {
    content: "\00b7";
    margin: 0 8px;
}

/* ====== ARTICLE PROSE ====== */
.article-body {
    max-width: 720px;
    margin: 0 auto;
    padding: 0 24px 80px;
}

.article-body h2 {
    font-size: 1.6rem;
    font-weight: 700;
    margin: 48px 0 16px;
    color: var(--text-primary);
    letter-spacing: -0.3px;
}

.article-body h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 36px 0 12px;
    color: var(--text-primary);
}

.article-body p {
    color: var(--text-secondary);
    font-size: 1.05rem;
    line-height: 1.85;
    margin-bottom: 20px;
}

.article-body ul,
.article-body ol {
    color: var(--text-secondary);
    font-size: 1.05rem;
    line-height: 1.85;
    margin: 0 0 20px 24px;
}

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

.article-body strong {
    color: var(--text-primary);
    font-weight: 600;
}

.article-body a {
    color: #60A5FA;
    text-decoration: underline;
    text-underline-offset: 2px;
}

.article-body a:hover { color: #93bbfc; }

.article-body blockquote {
    border-left: 3px solid #60A5FA;
    margin: 28px 0;
    padding: 16px 24px;
    background: rgba(96, 165, 250, 0.06);
    border-radius: 0 10px 10px 0;
}

.article-body blockquote p {
    margin-bottom: 0;
    font-style: italic;
}

/* ====== COMPARISON TABLE ====== */
.comparison-table-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin: 28px 0;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.95rem;
    min-width: 480px;
}

.comparison-table th,
.comparison-table td {
    padding: 14px 16px;
    text-align: left;
    border-bottom: 1px solid var(--glass-border);
}

.comparison-table th {
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    background: rgba(255, 255, 255, 0.03);
}

.comparison-table td {
    color: var(--text-secondary);
}

.comparison-table tr:last-child td { border-bottom: none; }

.comparison-table .highlight-row {
    background: rgba(37, 99, 235, 0.08);
}

.comparison-table .highlight-row td {
    color: var(--text-primary);
    font-weight: 500;
}

/* ====== ARTICLE CTA BOX ====== */
.article-cta {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 40px;
    text-align: center;
    margin: 48px 0;
}

.article-cta h3 {
    margin: 0 0 12px;
    font-size: 1.4rem;
}

.article-cta p {
    margin-bottom: 24px;
}

.article-cta .btn {
    margin: 0 8px 8px;
}

/* ====== BREADCRUMB ====== */
.breadcrumb {
    padding: 100px 24px 0;
    max-width: 800px;
    margin: 0 auto;
    font-size: 0.85rem;
    color: var(--text-tertiary);
}

.breadcrumb a {
    color: var(--text-tertiary);
    text-decoration: none;
    transition: color 0.2s ease;
}

.breadcrumb a:hover { color: var(--text-secondary); }

.breadcrumb span { margin: 0 8px; }

/* ====== STEP LIST (for guide articles) ====== */
.step-list {
    counter-reset: step-counter;
    list-style: none;
    margin: 0 0 20px 0;
    padding: 0;
}

.step-list li {
    counter-increment: step-counter;
    position: relative;
    padding-left: 48px;
    margin-bottom: 20px;
}

.step-list li::before {
    content: counter(step-counter);
    position: absolute;
    left: 0;
    top: 2px;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--primary-gradient);
    color: #fff;
    font-size: 0.85rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ====== RESPONSIVE ====== */
@media (max-width: 768px) {
    .blog-grid { grid-template-columns: 1fr; gap: 24px; }
    .blog-card { padding: 24px; }
    .article-body { padding: 0 16px 60px; }
    .article-cta { padding: 28px 20px; }
    .comparison-table { font-size: 0.85rem; }
    .comparison-table th,
    .comparison-table td { padding: 10px 12px; }
}

@media (max-width: 480px) {
    .blog-hero { padding: 120px 0 40px; }
    .article-header { padding: 120px 0 30px; }
    .article-header h1 { font-size: 1.5rem; }
}