/* ============================================
   SSN ELITE — Blog Journal Page Styles (/blog)
   Transparent backgrounds & glass cards for 3D DNA Canvas visibility
   ============================================ */

.blog-hero {
  padding: calc(var(--nav-height) + var(--space-16)) 0 var(--space-16);
  background: transparent;
  border-bottom: 1px solid var(--border-subtle);
  text-align: center;
  position: relative;
  z-index: 1;
}

.blog-hero-content {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
}

.blog-hero-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: var(--weight-bold);
  letter-spacing: var(--tracking-tight);
  color: var(--text-primary);
}

.blog-hero-lead {
  font-size: var(--text-body-lg);
  color: var(--text-secondary);
  line-height: 1.7;
}

/* Category Filter Bar */
.blog-categories-bar {
  padding: var(--space-6) 0;
  background: transparent;
  border-bottom: 1px solid var(--border-subtle);
  position: relative;
  z-index: 1;
}

.blog-categories-wrap {
  display: flex;
  justify-content: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.blog-cat-pill {
  padding: var(--space-2) var(--space-6);
  font-size: var(--text-small);
  font-weight: var(--weight-medium);
  border-radius: var(--radius-full);
  border: 1px solid var(--border-light);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(8px);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-out);
}

.blog-cat-pill:hover {
  border-color: var(--ssn-blue);
  color: var(--ssn-blue);
}

.blog-cat-pill.active {
  background: var(--ssn-blue);
  color: var(--text-on-blue);
  border-color: var(--ssn-blue);
}

/* Blog Content Grid */
.blog-grid-section {
  padding: var(--space-16) 0 var(--space-24);
  background: transparent;
  position: relative;
  z-index: 1;
}

.blog-page-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}

.blog-card-full {
  height: 100%;
}

.blog-card-thumb {
  height: 110px;
  position: relative;
  padding: var(--space-5);
  display: flex;
  align-items: center;
  overflow: hidden;
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.blog-card-thumb-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  z-index: 2;
}

.blog-category-tag {
  font-size: 11px !important;
  font-weight: 700 !important;
  letter-spacing: 0.05em !important;
  text-transform: uppercase !important;
  background: #FFFFFF !important;
  color: #0A2FFF !important;
  padding: 4px 12px !important;
  border-radius: var(--radius-full) !important;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.25) !important;
  display: inline-flex !important;
  align-items: center !important;
}

.blog-card-mono-code {
  font-family: var(--font-mono) !important;
  font-size: 12px !important;
  font-weight: 700 !important;
  color: #FFFFFF !important;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.7) !important;
  letter-spacing: 0.05em !important;
}

.blog-card-footer {
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--border-subtle);
}

/* Blog Reader Modal */
.blog-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(10, 10, 15, 0.8);
  backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration-normal) var(--ease-out);
}

.blog-modal-overlay.open {
  opacity: 1;
  pointer-events: all;
}

.blog-modal-content {
  background: var(--surface-white);
  width: 100%;
  max-width: 800px;
  max-height: 90vh;
  overflow-y: auto;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  position: relative;
}

.blog-modal-close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(4px);
  border: none;
  font-size: 1.5rem;
  color: white;
  cursor: pointer;
  z-index: 10;
}

.blog-modal-banner {
  padding: var(--space-12) var(--space-8) var(--space-8);
  color: white;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.blog-modal-banner h2 {
  font-size: var(--text-h2);
  line-height: 1.2;
  font-weight: var(--weight-bold);
}

.blog-modal-meta {
  display: flex;
  justify-content: space-between;
  font-size: var(--text-xs);
  opacity: 0.9;
  font-family: var(--font-mono);
}

.blog-modal-body {
  padding: var(--space-8);
  color: var(--text-primary);
  line-height: 1.8;
  font-size: var(--text-body-lg);
}

.blog-lead {
  font-size: 1.2rem;
  font-weight: var(--weight-medium);
  color: var(--text-secondary);
}

.blog-modal-body h4 {
  font-size: var(--text-h4);
  font-weight: var(--weight-bold);
  margin: var(--space-6) 0 var(--space-3);
}

.blog-modal-footer {
  padding: var(--space-6) var(--space-8);
  border-top: 1px solid var(--border-subtle);
  display: flex;
  justify-content: flex-end;
}

@media (max-width: 1024px) {
  .blog-page-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .blog-page-grid {
    grid-template-columns: 1fr;
  }
}