/* ==============================================================================
   Blog Article Styles for Military Time Converter
   Design System: Space Grotesk (Headings), Inter (Body), JetBrains Mono (Codes)
   ============================================================================== */

.article-page {
  padding: 2.5rem 0 4.5rem;
  background-color: var(--color-bg, #faf8f4);
}

.article-container {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 var(--space-lg, 1.5rem);
}

/* Breadcrumb Navigation */
.article-breadcrumbs {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.825rem;
  font-family: var(--font-heading, "Space Grotesk", sans-serif);
  color: var(--color-text-muted, #64748b);
  margin-bottom: 2rem;
}

.article-breadcrumbs a {
  color: var(--color-text-secondary, #475569);
  text-decoration: none;
  transition: color var(--transition-fast, 0.15s ease);
}

.article-breadcrumbs a:hover {
  color: var(--color-primary, #0d9488);
}

.breadcrumb-separator {
  color: var(--color-border, #cbd5e1);
  user-select: none;
}

.breadcrumb-current {
  color: var(--color-primary, #0d9488);
  font-weight: 600;
  max-width: 380px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Article Header */
.article-header {
  margin-bottom: 2.25rem;
}

.article-category-badge {
  display: inline-block;
  padding: 6px 14px;
  border-radius: var(--radius-full, 9999px);
  background: var(--color-primary-50, #f0faf9);
  border: 1px solid rgba(13, 148, 136, 0.25);
  color: var(--color-primary, #0d9488);
  font-family: var(--font-heading, "Space Grotesk", sans-serif);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
}

.article-title {
  font-family: var(--font-heading, "Space Grotesk", sans-serif);
  font-size: 2.45rem;
  font-weight: 800;
  line-height: 1.25;
  color: var(--color-text, #0f172a);
  letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
}

.article-meta-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--color-border, #e2e8f0);
  font-size: 0.85rem;
  color: var(--color-text-secondary, #64748b);
}

.meta-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.meta-item-author {
  font-weight: 600;
  color: var(--color-text, #1e293b);
}

/* Featured Visual Wrapper */
.featured-image-wrapper {
  margin-bottom: 2.75rem;
  border-radius: var(--radius-lg, 16px);
  overflow: hidden;
  box-shadow: 0 10px 30px -5px rgba(15, 23, 42, 0.08);
  border: 1px solid var(--color-border, #e2e8f0);
  background: var(--color-dark, #0f1117);
  animation: articleFadeIn 0.5s ease-out;
}

.featured-image-wrapper img {
  width: 100%;
  height: auto;
  display: block;
}

/* Table of Contents */
.article-toc {
  background: var(--color-surface, #ffffff);
  border: 1px solid var(--color-border, #e2e8f0);
  border-radius: var(--radius-md, 12px);
  padding: 1.5rem 1.75rem;
  margin-bottom: 2.5rem;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.04);
}

.article-toc-title {
  font-family: var(--font-heading, "Space Grotesk", sans-serif);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-text, #0f172a);
  margin-bottom: 1rem;
}

.article-toc-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.article-toc-list li {
  padding-left: 1.25rem;
  position: relative;
  font-size: 0.9rem;
}

.article-toc-list li::before {
  content: "›";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--color-primary, #0d9488);
  font-weight: 700;
  font-size: 1.1rem;
  line-height: 1;
}

.article-toc-list a {
  color: var(--color-text-secondary, #475569);
  text-decoration: none;
  transition: color var(--transition-fast, 0.15s ease);
}

.article-toc-list a:hover {
  color: var(--color-primary, #0d9488);
  text-decoration: underline;
}

/* Article Body Typography */
.article-content {
  color: var(--color-text-secondary, #334155);
  font-size: 1.05rem;
  line-height: 1.8;
}

.article-content h2 {
  font-family: var(--font-heading, "Space Grotesk", sans-serif);
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--color-text, #0f172a);
  letter-spacing: -0.025em;
  margin-top: 2.75rem;
  margin-bottom: 1rem;
  scroll-margin-top: calc(var(--header-height, 60px) + 24px);
}

.article-content h3 {
  font-family: var(--font-heading, "Space Grotesk", sans-serif);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-text, #0f172a);
  letter-spacing: -0.015em;
  margin-top: 2rem;
  margin-bottom: 0.75rem;
  scroll-margin-top: calc(var(--header-height, 60px) + 24px);
}

.article-content p {
  margin-bottom: 1.45rem;
}

.article-content strong {
  color: var(--color-text, #0f172a);
  font-weight: 600;
}

/* Article Tables */
.article-table-wrapper {
  background: var(--color-surface, #ffffff);
  border: 1px solid var(--color-border, #e2e8f0);
  border-radius: var(--radius-md, 12px);
  overflow-x: auto;
  margin: 1.75rem 0 2.25rem;
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.04);
}

.article-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
  text-align: left;
}

.article-table th {
  background: var(--color-dark, #0f1117);
  color: #5eead4;
  font-family: var(--font-heading, "Space Grotesk", sans-serif);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 14px 20px;
  border: none;
}

.article-table td {
  padding: 13px 20px;
  border-bottom: 1px solid var(--color-border-light, #f1f5f9);
  color: var(--color-text, #1e293b);
  vertical-align: middle;
}

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

.article-table tr:hover td {
  background-color: var(--color-primary-50, #f0faf9);
}

.article-table td:first-child {
  font-family: var(--font-mono, monospace);
  font-weight: 700;
  color: var(--color-primary, #0d9488);
}

/* Article Visual Figures */
.article-visual {
  margin: 2.5rem 0;
  border-radius: var(--radius-md, 12px);
  overflow: hidden;
  border: 1px solid var(--color-border, #e2e8f0);
  background: var(--color-surface, #ffffff);
  box-shadow: 0 6px 18px rgba(15, 23, 42, 0.05);
  animation: articleFadeIn 0.5s ease-out;
}

.article-visual img {
  width: 100%;
  height: auto;
  display: block;
}

.article-visual figcaption {
  padding: 11px 18px;
  background: #f8fafc;
  border-top: 1px solid #e2e8f0;
  font-size: 0.825rem;
  color: var(--color-text-muted, #64748b);
  text-align: center;
  font-family: var(--font-heading, "Space Grotesk", sans-serif);
  font-weight: 500;
}

/* Interactive Tool Promotion Card */
.article-tool-cta {
  background: linear-gradient(135deg, #0f172a 0%, #132e2a 100%);
  border-radius: var(--radius-lg, 16px);
  padding: 2.25rem 2rem;
  color: #ffffff;
  margin: 3.5rem 0 2.5rem;
  text-align: center;
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(13, 148, 136, 0.3);
  box-shadow: 0 16px 36px -8px rgba(13, 148, 136, 0.2);
}

.article-tool-cta h3 {
  font-family: var(--font-heading, "Space Grotesk", sans-serif);
  font-size: 1.5rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 0.75rem;
  letter-spacing: -0.02em;
}

.article-tool-cta p {
  color: rgba(226, 232, 240, 0.9);
  font-size: 0.98rem;
  max-width: 560px;
  margin: 0 auto 1.5rem;
  line-height: 1.6;
}

.article-tool-cta .btn-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  background: var(--color-primary, #0d9488);
  color: #ffffff;
  font-family: var(--font-heading, "Space Grotesk", sans-serif);
  font-weight: 700;
  font-size: 0.92rem;
  border-radius: var(--radius-sm, 6px);
  text-decoration: none;
  transition: all var(--transition-fast, 0.15s ease);
  box-shadow: 0 4px 14px rgba(13, 148, 136, 0.4);
}

.article-tool-cta .btn-cta:hover {
  background: var(--color-primary-hover, #0f766e);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(13, 148, 136, 0.5);
}

/* Article Footer Navigation */
.article-footer-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 3rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--color-border, #e2e8f0);
}

.article-footer-nav a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-heading, "Space Grotesk", sans-serif);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-primary, #0d9488);
  text-decoration: none;
  transition: all var(--transition-fast, 0.15s ease);
}

.article-footer-nav a:hover {
  color: var(--color-primary-hover, #0f766e);
  text-decoration: underline;
}

/* Animation */
@keyframes articleFadeIn {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .featured-image-wrapper,
  .article-visual,
  .article-tool-cta .btn-cta {
    animation: none !important;
    transition: none !important;
  }
}

/* Responsive */
@media (max-width: 768px) {
  .article-title {
    font-size: 1.85rem;
  }
  .article-content h2 {
    font-size: 1.4rem;
  }
  .article-content h3 {
    font-size: 1.15rem;
  }
  .article-toc {
    padding: 1.25rem;
  }
  .article-table th,
  .article-table td {
    padding: 10px 14px;
    font-size: 0.85rem;
  }
}