/* ==========================================================================
   BLOG PAGE STYLES
   ========================================================================== */

/* ---------- Blog Hero ---------- */
.blog-hero {
    padding: 140px 0 60px;
    text-align: center;
    background: var(--bg-alt);
    border-bottom: 1px solid var(--border);
}
.blog-hero__title {
    font-size: clamp(2rem, 5vw, 3.2rem);
    font-weight: 900;
    margin-bottom: 16px;
}
.blog-hero__desc {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 560px;
    margin: 0 auto;
    line-height: 1.7;
}

/* ---------- Blog Posts Section ---------- */
.blog-posts {
    padding: 64px 0 120px;
}

/* ---------- Blog Card ---------- */
.blog-card {
    max-width: 800px;
    margin: 0 auto;
}
.blog-card--featured {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 48px;
    box-shadow: var(--shadow-sm);
}
.blog-card__meta {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}
.blog-card__date {
    font-size: .85rem;
    color: var(--text-light);
    font-weight: 500;
}
.blog-card__tag {
    font-size: .75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .06em;
    color: var(--accent);
    background: rgba(139, 94, 60, .07);
    padding: 4px 12px;
    border-radius: var(--radius-full);
}
.blog-card__read {
    font-size: .8rem;
    color: var(--text-light);
}
.blog-card__title {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 800;
    line-height: 1.3;
    margin-bottom: 12px;
}
.blog-card__subtitle {
    font-size: 1.1rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 40px;
    padding-bottom: 32px;
    border-bottom: 1px solid var(--border);
}

/* ---------- Blog Content ---------- */
.blog-content {}

.blog-content__lead {
    font-size: 1.15rem;
    color: var(--text-main);
    line-height: 1.8;
    margin-bottom: 32px;
    font-weight: 400;
}
.blog-content h3 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-top: 48px;
    margin-bottom: 16px;
    color: var(--text-main);
}
.blog-content p {
    font-size: 1rem;
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 16px;
}
.blog-content p a {
    color: var(--accent);
    text-decoration: underline;
    text-underline-offset: 2px;
}
.blog-content p a:hover {
    color: var(--primary-hover);
}
.blog-content strong {
    color: var(--text-main);
    font-weight: 600;
}
.blog-content code {
    font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
    font-size: .88em;
    background: rgba(139, 94, 60, .06);
    color: var(--accent);
    padding: 2px 6px;
    border-radius: 4px;
}
.blog-content em {
    font-style: italic;
    color: var(--text-main);
}

/* Blog List */
.blog-list {
    margin: 16px 0 24px 0;
    padding-left: 0;
}
.blog-list li {
    font-size: 1rem;
    color: var(--text-muted);
    line-height: 1.8;
    padding: 4px 0 4px 28px;
    position: relative;
}
.blog-list li::before {
    content: '';
    position: absolute;
    left: 8px;
    top: 14px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
}
.blog-list--numbered {
    counter-reset: blog-ol;
}
.blog-list--numbered li {
    counter-increment: blog-ol;
}
.blog-list--numbered li::before {
    content: counter(blog-ol);
    width: auto;
    height: auto;
    background: none;
    font-size: .8rem;
    font-weight: 700;
    color: var(--accent);
    left: 4px;
    top: 5px;
    border-radius: 0;
}

/* Blog Code Block */
.blog-code {
    background: var(--bg-dark);
    border-radius: var(--radius);
    padding: 24px;
    margin: 24px 0;
    overflow-x: auto;
}
.blog-code code {
    font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
    font-size: .85rem;
    color: rgba(255, 255, 255, .85);
    background: none;
    padding: 0;
    line-height: 1.7;
    white-space: pre;
}

/* ---------- Architecture Diagram ---------- */
.blog-arch {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin: 24px 0 32px;
}
.blog-arch__item {
    background: var(--bg-alt);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    text-align: center;
}
.blog-arch__icon { font-size: 2rem; margin-bottom: 12px; }
.blog-arch__item h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-main);
}
.blog-arch__item p {
    font-size: .85rem !important;
    color: var(--text-muted) !important;
    line-height: 1.6 !important;
    margin-bottom: 0 !important;
}

/* ---------- Tool Registry Visualization ---------- */
.blog-tools {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
    margin: 20px 0 32px;
}
.blog-tool {
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.blog-tool__mode {
    font-size: .75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .06em;
    padding: 4px 12px;
    border-radius: var(--radius-full);
    display: inline-block;
    width: fit-content;
    margin-bottom: 4px;
}
.blog-tool__mode--shared { background: rgba(100,116,139,.1); color: #64748b; }
.blog-tool__mode--translator { background: rgba(245,158,11,.1); color: #D97706; }
.blog-tool__mode--tutor { background: rgba(0,212,170,.1); color: #059669; }
.blog-tool__mode--support { background: rgba(139, 94, 60, .1); color: #8B5E3C; }
.blog-tool__name {
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: .8rem;
    color: var(--text-muted);
    padding: 2px 0;
}

/* ---------- Blog CTA ---------- */
.blog-cta-links {
    display: flex;
    gap: 16px;
    margin: 32px 0 48px;
    flex-wrap: wrap;
}

/* ---------- Blog Author ---------- */
.blog-author {
    display: flex;
    align-items: center;
    gap: 16px;
    padding-top: 40px;
    margin-top: 48px;
    border-top: 1px solid var(--border);
}
.blog-author__avatar {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: var(--accent);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
    flex-shrink: 0;
}
.blog-author__info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.blog-author__info strong {
    font-size: 1rem;
    color: var(--text-main);
}
.blog-author__info span {
    font-size: .85rem;
    color: var(--text-light);
}

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
    .blog-card--featured { padding: 28px 20px; }
    .blog-arch { grid-template-columns: 1fr; }
    .blog-tools { grid-template-columns: 1fr 1fr; }
    .blog-cta-links { flex-direction: column; }
    .blog-cta-links .btn { width: 100%; justify-content: center; }
}
@media (max-width: 480px) {
    .blog-tools { grid-template-columns: 1fr; }
    .blog-card__title { font-size: 1.3rem; }
}