/* ============================================
   OPERIX — Blog Page Styles
   ============================================ */

/* ============================================
   BLOG HERO
   ============================================ */

.blog-hero {
  padding-top: 9.5rem;
  padding-bottom: var(--section-py-sm);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.blog-hero::before {
  content: '';
  position: absolute;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--accent-dim) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.blog-hero .hero-content {
  position: relative;
  z-index: 1;
}

.blog-hero .blog-hero-title {
  font-size: var(--text-4xl);
  font-weight: var(--fw-extrabold);
  line-height: var(--lh-tight);
  max-width: 600px;
  margin: 0 auto 0.75rem;
}

.blog-hero .blog-hero-subtitle {
  font-size: var(--text-lg);
  color: var(--muted);
  line-height: var(--lh-relaxed);
  max-width: 560px;
  margin: 0 auto;
}

/* ============================================
   CATEGORY FILTER BAR
   ============================================ */

.category-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  margin-bottom: 2.5rem;
}

.category-pill {
  display: inline-block;
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: var(--fw-semibold);
  color: var(--muted);
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  padding: 0.375rem 1rem;
  cursor: pointer;
  transition: color var(--transition-fast),
              background-color var(--transition-fast),
              border-color var(--transition-fast);
  text-decoration: none;
}

.section-light .category-pill {
  background-color: var(--surface-2);
}

.category-pill:hover,
.category-pill.active {
  color: var(--accent);
  background-color: var(--accent-dim);
  border-color: var(--accent-mid);
}

/* ============================================
   BLOG POST CARDS
   ============================================ */

.blog-card {
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: border-color var(--transition-base),
              box-shadow var(--transition-base),
              transform var(--transition-base);
}

.section-light .blog-card {
  background-color: var(--surface-2);
}

.blog-card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}

.blog-card .blog-card-image {
  width: 100%;
  height: 200px;
  background-color: var(--surface-2);
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}

.blog-card .blog-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.blog-card .blog-card-image .image-placeholder {
  font-size: var(--text-3xl);
  color: var(--border);
}

.blog-card .blog-card-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

/* --- Blog Card Meta Row --- */

.blog-card-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.25rem 0.375rem;
  margin-bottom: 0.625rem;
  font-size: var(--text-xs, 0.75rem);
  line-height: 1.4;
}

.blog-card-category {
  font-size: var(--text-xs, 0.75rem);
  font-weight: 600;
  color: var(--accent, #00e5cc);
  white-space: nowrap;
}

.blog-card-dot {
  color: var(--muted, #7d8fa8);
  opacity: 0.4;
  font-size: 0.625rem;
  line-height: 1;
}

.blog-card-date {
  font-size: var(--text-xs, 0.75rem);
  color: var(--muted, #7d8fa8);
  white-space: nowrap;
}

.blog-card-time {
  font-size: var(--text-xs, 0.75rem);
  color: var(--muted, #7d8fa8);
  white-space: nowrap;
}

.blog-card-title {
  font-family: var(--font-display, 'Plus Jakarta Sans', sans-serif);
  font-size: var(--text-base, 1rem);
  font-weight: var(--fw-bold, 700);
  line-height: 1.4;
  margin-bottom: 0.5rem;
}

.blog-card-title a {
  color: var(--text, #eef2ff);
  text-decoration: none;
}

.blog-card-title a:hover {
  color: var(--accent, #00e5cc);
}

.blog-card-excerpt {
  font-size: var(--text-sm, 0.875rem);
  color: var(--muted, #7d8fa8);
  line-height: var(--lh-normal, 1.6);
  margin-bottom: 0.75rem;
}

.blog-card-link {
  font-size: var(--text-sm, 0.875rem);
  color: var(--muted, #7d8fa8);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s ease;
}

.blog-card-link:hover {
  color: var(--accent, #00e5cc);
}

.blog-card .blog-card-link .bi {
  transition: transform var(--transition-fast);
}

.blog-card .blog-card-link:hover .bi {
  transform: translateX(3px);
}

/* ============================================
   EMPTY STATE (No posts yet)
   ============================================ */

.blog-empty-state {
  text-align: center;
  padding: 3rem 1rem;
}

.blog-empty-state .empty-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 72px;
  height: 72px;
  background-color: var(--accent-dim);
  color: var(--accent);
  border-radius: var(--radius-xl);
  font-size: var(--text-3xl);
  margin-bottom: 1.25rem;
}

.blog-empty-state .empty-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--fw-bold);
  color: var(--text);
  margin-bottom: 0.5rem;
}

.blog-empty-state .empty-text {
  font-size: var(--text-sm);
  color: var(--muted);
  max-width: 440px;
  margin: 0 auto 1.5rem;
  line-height: var(--lh-normal);
}

/* ============================================
   BLOG POST — SINGLE ARTICLE
   ============================================ */

.blog-post-header {
  padding-top: 9.5rem;
  padding-bottom: var(--section-py-sm);
  text-align: center;
}

.blog-post-header .post-category {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: var(--fw-bold);
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.75rem;
  display: inline-block;
}

.blog-post-header .post-title {
  font-size: var(--text-4xl);
  font-weight: var(--fw-extrabold);
  line-height: var(--lh-tight);
  max-width: 740px;
  margin: 0 auto 1rem;
}

.blog-post-header .post-meta {
  font-size: var(--text-sm);
  color: var(--muted);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.blog-post-header .post-meta .meta-dot {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background-color: var(--muted);
  opacity: 0.5;
}

/* --- Article Body --- */

.blog-post-body {
  max-width: 740px;
  margin: 0 auto;
}

.blog-post-body h2 {
  font-size: var(--text-2xl);
  font-weight: var(--fw-bold);
  color: var(--text);
  margin-top: 2.5rem;
  margin-bottom: 0.75rem;
}

.blog-post-body h3 {
  font-size: var(--text-xl);
  font-weight: var(--fw-bold);
  color: var(--text);
  margin-top: 2rem;
  margin-bottom: 0.625rem;
}

.blog-post-body p {
  font-size: var(--text-base);
  color: var(--muted);
  line-height: var(--lh-relaxed);
  margin-bottom: 1.25rem;
}

.blog-post-body ul,
.blog-post-body ol {
  margin-bottom: 1.25rem;
  padding-left: 1.5rem;
}

.blog-post-body ul li,
.blog-post-body ol li {
  font-size: var(--text-base);
  color: var(--muted);
  line-height: var(--lh-normal);
  margin-bottom: 0.5rem;
}

.blog-post-body strong {
  color: var(--text);
  font-weight: var(--fw-semibold);
}

.blog-post-body blockquote {
  border-left: 3px solid var(--accent);
  padding-left: 1.25rem;
  margin: 1.5rem 0;
  font-style: italic;
  color: var(--muted);
}

.blog-post-body a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.blog-post-body a:hover {
  color: var(--text);
}

/* --- Article CTA Banner --- */

.post-cta-banner {
  background-color: var(--surface);
  border: 1px solid var(--border-hover);
  border-radius: var(--radius-xl);
  padding: 2rem;
  text-align: center;
  margin-top: 3rem;
}

.section-light .post-cta-banner {
  background-color: var(--surface-2);
}

.post-cta-banner .cta-banner-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--fw-bold);
  color: var(--text);
  margin-bottom: 0.5rem;
}

.post-cta-banner .cta-banner-text {
  font-size: var(--text-sm);
  color: var(--muted);
  max-width: 480px;
  margin: 0 auto 1.25rem;
  line-height: var(--lh-normal);
}

/* --- Related Posts --- */

.related-posts-section .related-heading {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--fw-bold);
  color: var(--text);
  margin-bottom: 1.5rem;
}

/* --- Back to Blog Link --- */

.back-to-blog {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: var(--fw-semibold);
  color: var(--accent);
  text-decoration: none;
  margin-bottom: 1.5rem;
  transition: color var(--transition-fast);
}

.back-to-blog:hover {
  color: var(--text);
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 991.98px) {
  .blog-post-header .post-title {
    font-size: var(--text-3xl);
  }
}

@media (max-width: 575.98px) {
  .blog-post-header .post-title {
    font-size: var(--text-2xl);
  }

  .blog-card .blog-card-image {
    height: 160px;
  }
}