/* ===================================================
   BLOG / NEWS — Parton Big Data
   Tasarım: HTML referans dosyasından alınan minimal
   dark stil (eyebrow + grid divider + mono font)
   =================================================== */

/* ---------- shared layout ---------- */
.blog-main {
    min-height: calc(100vh - 72px);
}

/* ---------- hero banner ---------- */
.blog-hero {
    background: var(--navy-mid);
    border-bottom: 1px solid var(--border);
    padding: 72px 40px 56px;
    position: relative;
    overflow: hidden;
}

.blog-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(80% 120% at 50% 0%, rgba(59,130,246,0.08), transparent 60%);
    pointer-events: none;
}

.blog-hero-inner {
    max-width: 860px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.section-eyebrow {
    display: block;
    font-family: 'JetBrains Mono', 'Fira Mono', 'Courier New', monospace;
    font-size: 11px;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--blue);
    margin-bottom: 18px;
}

.blog-hero-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    color: var(--text-1);
    margin-bottom: 14px;
    line-height: 1.15;
}

.blog-hero-sub {
    font-size: 1rem;
    color: var(--text-2);
    max-width: 520px;
}

/* ---------- body wrapper ---------- */
.blog-body {
    max-width: 1200px;
    margin: 0 auto;
    padding: 56px 40px 80px;
}

/* ---------- filter bar ---------- */
.blog-filter-bar {
    display: flex;
    gap: 8px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.filter-btn {
    font-family: 'JetBrains Mono', 'Fira Mono', 'Courier New', monospace;
    font-size: 11px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    padding: 8px 18px;
    border: 1px solid var(--border-hi);
    border-radius: 100px;
    background: transparent;
    color: var(--text-2);
    cursor: pointer;
    transition: all 0.2s var(--ease);
}

.filter-btn:hover {
    border-color: var(--blue);
    color: var(--blue-hi);
}

.filter-btn.active {
    background: var(--blue);
    border-color: var(--blue);
    color: #fff;
}

/* ---------- posts grid ---------- */
.posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--border);
    gap: 1px;
}

/* ---------- news card ---------- */
.news-card {
    background: var(--navy-mid);
    display: flex;
    flex-direction: column;
    transition: background 0.22s var(--ease);
    cursor: pointer;
}

.news-card:hover {
    background: var(--surface);
}

.news-card-img {
    width: 100%;
    height: 200px;
    overflow: hidden;
    flex-shrink: 0;
}

.news-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.35s var(--ease);
    display: block;
}

.news-card:hover .news-card-img img {
    transform: scale(1.04);
}

.news-card-body {
    padding: 32px 28px 28px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

/* ---------- meta row (tag + date) ---------- */
.news-card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 18px;
}

.news-tag {
    font-family: 'JetBrains Mono', 'Fira Mono', 'Courier New', monospace;
    font-size: 10px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    padding: 4px 10px;
    border-radius: 100px;
    border: 1px solid var(--border-hi);
    color: var(--blue-hi);
    background: var(--blue-dim);
}

.news-tag[data-type="event"] {
    color: #a78bfa;
    background: rgba(167,139,250,0.1);
    border-color: rgba(167,139,250,0.25);
}

.news-date {
    font-family: 'JetBrains Mono', 'Fira Mono', 'Courier New', monospace;
    font-size: 11px;
    letter-spacing: 0.08em;
    color: var(--text-3);
}

/* ---------- card title ---------- */
.news-card-title {
    margin-bottom: 12px;
}

.news-card-title a {
    font-size: 1rem;
    font-weight: 600;
    line-height: 1.4;
    color: var(--text-1);
    display: block;
    transition: color 0.2s var(--ease);
}

.news-card-title a:hover {
    color: var(--blue-hi);
}

/* ---------- excerpt ---------- */
.news-card-excerpt {
    font-size: 0.875rem;
    color: var(--text-2);
    line-height: 1.65;
    flex: 1;
    margin-bottom: 24px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ---------- card footer ---------- */
.news-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 20px;
    border-top: 1px solid var(--border);
    margin-top: auto;
}

.news-author {
    font-family: 'JetBrains Mono', 'Fira Mono', 'Courier New', monospace;
    font-size: 11px;
    color: var(--text-3);
    letter-spacing: 0.06em;
}

.news-read-more {
    font-family: 'JetBrains Mono', 'Fira Mono', 'Courier New', monospace;
    font-size: 11px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--blue);
    display: flex;
    align-items: center;
    gap: 6px;
    transition: color 0.2s var(--ease), gap 0.2s var(--ease);
}

.news-read-more:hover {
    color: var(--blue-hi);
    gap: 10px;
}

.news-read-more .arrow {
    font-size: 14px;
    transition: transform 0.2s var(--ease);
}

.news-read-more:hover .arrow {
    transform: translateX(3px);
}

/* ---------- empty state ---------- */
.news-empty {
    grid-column: 1 / -1;
    text-align: center;
    padding: 80px 24px;
    color: var(--text-3);
    font-size: 0.95rem;
    background: var(--navy-mid);
}

/* ===================================================
   BLOG DETAIL
   =================================================== */
.post-container {
    max-width: 780px;
    margin: 0 auto;
    padding: 56px 40px 80px;
}

/* ---------- back link ---------- */
.post-back-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: 'JetBrains Mono', 'Fira Mono', 'Courier New', monospace;
    font-size: 11px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-3);
    margin-bottom: 48px;
    transition: color 0.2s var(--ease), gap 0.2s var(--ease);
}

.post-back-link:hover {
    color: var(--blue-hi);
    gap: 12px;
}

.post-back-link .arrow {
    font-size: 16px;
    transition: transform 0.2s var(--ease);
}

.post-back-link:hover .arrow {
    transform: translateX(-3px);
}

/* ---------- post header ---------- */
.post-header {
    margin-bottom: 40px;
    padding-bottom: 36px;
    border-bottom: 1px solid var(--border);
}

.post-meta-row {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.post-author-meta {
    font-family: 'JetBrains Mono', 'Fira Mono', 'Courier New', monospace;
    font-size: 11px;
    color: var(--text-3);
    letter-spacing: 0.08em;
}

.post-title {
    font-size: clamp(1.75rem, 3.5vw, 2.5rem);
    font-weight: 700;
    color: var(--text-1);
    letter-spacing: -0.03em;
    line-height: 1.2;
    margin-bottom: 18px;
}

.post-lead {
    font-size: 1.1rem;
    color: var(--text-2);
    line-height: 1.7;
    font-weight: 400;
}

/* ---------- post image ---------- */
.post-image-wrap {
    width: 100%;
    margin-bottom: 48px;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--border);
}

.post-image-wrap img {
    width: 100%;
    max-height: 480px;
    display: block;
    object-fit: cover;
}

/* ---------- post content ---------- */
.post-content {
    color: var(--text-2);
    font-size: 1rem;
    line-height: 1.85;
}

.post-content p {
    margin-bottom: 1.4rem;
}

.post-content h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-1);
    letter-spacing: -0.02em;
    margin: 2.5rem 0 1rem;
}

.post-content h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-1);
    margin: 2rem 0 0.875rem;
}

.post-content ul,
.post-content ol {
    margin: 1.25rem 0;
    padding-left: 1.5rem;
}

.post-content li {
    margin-bottom: 0.5rem;
}

.post-content a {
    color: var(--blue);
    text-decoration: underline;
    text-underline-offset: 2px;
    text-decoration-color: rgba(59,130,246,0.35);
}

.post-content a:hover {
    color: var(--blue-hi);
    text-decoration-color: var(--blue-hi);
}

.post-content code {
    font-family: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
    font-size: 0.875em;
    background: var(--surface);
    border: 1px solid var(--border);
    padding: 0.15rem 0.4rem;
    border-radius: 4px;
    color: var(--blue-hi);
}

.post-content pre {
    background: var(--surface);
    border: 1px solid var(--border);
    padding: 1.5rem;
    border-radius: var(--radius-md);
    overflow-x: auto;
    margin: 1.75rem 0;
}

.post-content pre code {
    background: none;
    border: none;
    padding: 0;
    font-size: 0.875rem;
    color: var(--text-1);
}

.post-content blockquote {
    border-left: 3px solid var(--blue);
    padding-left: 1.25rem;
    margin: 1.75rem 0;
    color: var(--text-2);
    font-style: italic;
}

.post-content strong {
    color: var(--text-1);
    font-weight: 600;
}

/* ---------- post footer bar ---------- */
.post-footer-bar {
    margin-top: 56px;
    padding-top: 28px;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.post-footer-bar .post-back-link {
    margin-bottom: 0;
}

.post-share {
    display: flex;
    align-items: center;
    gap: 10px;
}

.share-label {
    font-family: 'JetBrains Mono', 'Fira Mono', 'Courier New', monospace;
    font-size: 11px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-3);
}

.share-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-2);
    font-size: 0.9rem;
    transition: all 0.2s var(--ease);
}

.share-link:hover {
    color: var(--blue-hi);
    border-color: var(--blue);
    background: var(--blue-dim);
}

/* ===================================================
   RESPONSIVE
   =================================================== */
@media (max-width: 768px) {
    .blog-hero {
        padding: 56px 24px 40px;
    }

    .blog-body {
        padding: 40px 20px 60px;
    }

    .post-container {
        padding: 40px 20px 60px;
    }

    .posts-grid {
        grid-template-columns: 1fr;
    }

    .news-card-body {
        padding: 24px 20px 20px;
    }
}

@media (max-width: 480px) {
    .blog-hero {
        padding: 48px 16px 36px;
    }

    .blog-filter-bar {
        gap: 6px;
    }

    .post-footer-bar {
        flex-direction: column;
        align-items: flex-start;
    }
}