/* ==========================================================================
   RepForge Editorial Magazine Stylesheet
   Brand: RepForge | Train Smart. Build Strong.
   ========================================================================== */

:root {
  /* Core Color Palette */
  --bg-primary: #F5F6F0;
  --bg-surface: #FFFFFF;
  --bg-surface-alt: #EDF0E7;
  --bg-dark: #121A14;
  --text-primary: #17231B;
  --text-secondary: #5C665D;
  --text-muted: #839185;
  --text-inverse: #F5F6F0;
  --accent: #B8F34B;
  --accent-hover: #A5DF3D;
  --accent-dark: #0F2A14;
  --border-light: #E2E6DC;
  --border-dark: #27382B;
  
  /* Status Colors */
  --color-success: #22C55E;
  --color-warning: #F59E0B;
  --color-danger: #EF4444;
  --color-info: #3B82F6;

  /* Typography */
  --font-heading: 'Syne', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-mono: 'JetBrains Mono', Consolas, Monaco, monospace;

  /* Layout & Spacing */
  --container-max: 1240px;
  --container-narrow: 840px;
  --header-height: 72px;
  --announcement-height: 36px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-subtle: 0 1px 3px rgba(23, 35, 27, 0.05), 0 1px 2px rgba(23, 35, 27, 0.08);
  --shadow-card: 0 4px 16px rgba(23, 35, 27, 0.06);
  --shadow-hover: 0 12px 28px rgba(23, 35, 27, 0.12);
  --shadow-modal: 0 20px 40px rgba(0, 0, 0, 0.25);

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
}

[data-theme="dark"] {
  --bg-primary: #0F1611;
  --bg-surface: #18221B;
  --bg-surface-alt: #202D24;
  --bg-dark: #070B08;
  --text-primary: #F0F4F0;
  --text-secondary: #A6B4A8;
  --text-muted: #718173;
  --text-inverse: #121A14;
  --accent: #B8F34B;
  --accent-hover: #C5F764;
  --accent-dark: #B8F34B;
  --border-light: #26362A;
  --border-dark: #374E3C;
  --shadow-subtle: 0 1px 3px rgba(0, 0, 0, 0.4);
  --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-hover: 0 12px 28px rgba(0, 0, 0, 0.6);
}

/* Base & Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

img, svg, video {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

button, input, select, textarea {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

ul, ol {
  list-style-position: inside;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* Accessibility Skip Link */
.skip-link {
  position: absolute;
  top: -60px;
  left: 20px;
  background: var(--text-primary);
  color: var(--accent);
  padding: 10px 18px;
  z-index: 9999;
  font-weight: 700;
  border-radius: var(--radius-sm);
  transition: top var(--transition-fast);
}
.skip-link:focus {
  top: 15px;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}
.container-narrow {
  width: 100%;
  max-width: var(--container-narrow);
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}

/* Announcement Bar */
.announcement-bar {
  background: var(--text-primary);
  color: var(--text-inverse);
  font-size: 0.8125rem;
  letter-spacing: 0.03em;
  padding: 6px 0;
  text-align: center;
  border-bottom: 1px solid var(--border-dark);
}
.announcement-bar strong {
  color: var(--accent);
  text-transform: uppercase;
  margin-right: 6px;
}

/* Header & Navigation */
.site-header {
  position: sticky;
  top: 0;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-light);
  z-index: 1000;
  transition: background-color var(--transition-normal), border-color var(--transition-normal);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  gap: 16px;
}

/* Logo */
.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.625rem;
  letter-spacing: -0.03em;
  color: var(--text-primary);
}
.brand-symbol {
  width: 34px;
  height: 34px;
  background: var(--text-primary);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.brand-symbol::before {
  content: '';
  width: 16px;
  height: 16px;
  border: 3px solid var(--accent);
  border-radius: 3px;
  transform: rotate(45deg);
}
.brand-wordmark span {
  color: #357A38;
}
[data-theme="dark"] .brand-wordmark span {
  color: var(--accent);
}

/* Desktop Nav */
.main-nav {
  display: none;
}
@media (min-width: 1024px) {
  .main-nav {
    display: flex;
    align-items: center;
    gap: 22px;
  }
}
.nav-link {
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--text-secondary);
  position: relative;
  padding: 6px 0;
}
.nav-link:hover, .nav-link.active {
  color: var(--text-primary);
}
.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent);
}

/* Dropdown Menu */
.nav-dropdown {
  position: relative;
}
.nav-dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: -20px;
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  padding: 12px 0;
  min-width: 230px;
  z-index: 100;
}
.nav-dropdown:hover .nav-dropdown-menu,
.nav-dropdown:focus-within .nav-dropdown-menu {
  display: block;
}
.nav-dropdown-menu a {
  display: block;
  padding: 8px 18px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
}
.nav-dropdown-menu a:hover {
  background: var(--bg-surface-alt);
  color: var(--text-primary);
}

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}
.icon-btn {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-light);
  color: var(--text-primary);
  background: var(--bg-surface);
  transition: all var(--transition-fast);
}
.icon-btn:hover {
  background: var(--bg-surface-alt);
  border-color: var(--accent);
}
.mobile-toggle {
  display: flex;
}
@media (min-width: 1024px) {
  .mobile-toggle {
    display: none;
  }
}

/* Reading Progress Bar */
.reading-progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 4px;
  background: var(--accent);
  width: 0%;
  z-index: 2000;
  transition: width 0.1s linear;
}

/* Mobile Drawer */
.mobile-drawer {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(18, 26, 20, 0.7);
  z-index: 2000;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
}
.mobile-drawer.active {
  opacity: 1;
  visibility: visible;
}
.drawer-content {
  position: absolute;
  top: 0;
  right: 0;
  width: 85%;
  max-width: 360px;
  height: 100%;
  background: var(--bg-surface);
  padding: 24px;
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform var(--transition-normal);
}
.mobile-drawer.active .drawer-content {
  transform: translateX(0);
}
.drawer-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-light);
}
.drawer-nav {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.drawer-link {
  font-weight: 600;
  font-size: 1.0625rem;
  color: var(--text-primary);
}
.drawer-section-title {
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--text-muted);
  font-weight: 700;
  letter-spacing: 0.05em;
  margin-top: 16px;
  margin-bottom: 6px;
}

/* Search Modal */
.search-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(18, 26, 20, 0.75);
  backdrop-filter: blur(4px);
  z-index: 2100;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 60px 16px 20px;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}
.search-modal.active {
  opacity: 1;
  visibility: visible;
}
.search-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 680px;
  box-shadow: var(--shadow-modal);
  overflow: hidden;
}
.search-header {
  display: flex;
  align-items: center;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-light);
  gap: 12px;
}
.search-input {
  flex: 1;
  border: none;
  outline: none;
  font-size: 1.125rem;
  background: transparent;
  color: var(--text-primary);
}
.search-results {
  max-height: 420px;
  overflow-y: auto;
  padding: 12px 16px;
}
.search-result-item {
  display: block;
  padding: 12px;
  border-radius: var(--radius-md);
  margin-bottom: 6px;
  transition: background var(--transition-fast);
}
.search-result-item:hover {
  background: var(--bg-surface-alt);
}
.search-result-cat {
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}
.search-result-title {
  font-weight: 700;
  font-size: 0.9375rem;
  color: var(--text-primary);
  margin: 2px 0 4px;
}
.search-result-excerpt {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

/* Typography & Badges */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text-primary);
  line-height: 1.25;
  font-weight: 700;
}
.category-badge {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  background: var(--accent);
  color: #0E1E12;
  margin-bottom: 10px;
}
.category-badge.dark {
  background: var(--text-primary);
  color: var(--accent);
}
.category-badge.outline {
  background: transparent;
  border: 1px solid var(--border-light);
  color: var(--text-secondary);
}

/* Button Component */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 700;
  font-size: 0.875rem;
  padding: 10px 20px;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  cursor: pointer;
  text-align: center;
}
.btn-primary {
  background: var(--accent);
  color: #0E1E12;
  border: 1px solid transparent;
}
.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
}
.btn-dark {
  background: var(--text-primary);
  color: var(--text-inverse);
  border: 1px solid transparent;
}
.btn-dark:hover {
  background: #233529;
  color: var(--accent);
}
.btn-outline {
  background: transparent;
  border: 1px solid var(--border-light);
  color: var(--text-primary);
}
.btn-outline:hover {
  border-color: var(--text-primary);
  background: var(--bg-surface-alt);
}
.btn-sm {
  padding: 6px 14px;
  font-size: 0.8125rem;
}

/* Section Header */
.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 28px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--border-light);
}
.section-title {
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  position: relative;
}
.section-title::after {
  content: '';
  position: absolute;
  bottom: -14px;
  left: 0;
  width: 48px;
  height: 2px;
  background: var(--accent);
}
.section-view-all {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 4px;
}
.section-view-all:hover {
  color: var(--text-primary);
}

/* Cards & Magazine Grids */
.grid-3 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}
@media (min-width: 640px) {
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (min-width: 1024px) {
  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

.grid-4 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
@media (min-width: 640px) {
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (min-width: 1024px) {
  .grid-4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}
@media (min-width: 768px) {
  .grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Article Card */
.article-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}
.article-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.card-media {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--bg-surface-alt);
}
.card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.article-card:hover .card-media img {
  transform: scale(1.04);
}
.card-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.card-title {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 8px;
  line-height: 1.35;
}
.card-title a:hover {
  color: #357A38;
}
[data-theme="dark"] .card-title a:hover {
  color: var(--accent);
}
.card-excerpt {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.card-meta {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border-light);
  padding-top: 12px;
}
.card-author {
  display: flex;
  align-items: center;
  gap: 8px;
}
.card-author img {
  width: 24px;
  height: 24px;
  border-radius: var(--radius-full);
}

/* Horizontal / List Card */
.article-card-horizontal {
  display: flex;
  flex-direction: column;
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: 16px;
}
@media (min-width: 640px) {
  .article-card-horizontal {
    flex-direction: row;
  }
  .article-card-horizontal .card-media {
    width: 200px;
    min-width: 200px;
    aspect-ratio: auto;
  }
}
.article-card-horizontal .card-body {
  padding: 16px;
}

/* Editorial Hero Section */
.hero-section {
  padding: 32px 0 40px;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}
@media (min-width: 1024px) {
  .hero-grid {
    grid-template-columns: 7fr 5fr;
  }
}
.hero-featured {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  display: flex;
  flex-direction: column;
}
.hero-featured .card-media {
  aspect-ratio: 16 / 9;
}
.hero-featured .card-body {
  padding: 28px;
}
.hero-featured .card-title {
  font-size: 1.875rem;
  line-height: 1.25;
  margin-bottom: 12px;
}
@media (min-width: 768px) {
  .hero-featured .card-title {
    font-size: 2.25rem;
  }
}
.hero-sidebar {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.trending-header {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--text-primary);
  letter-spacing: 0.05em;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--border-light);
}
.trending-number {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--accent-dark);
  line-height: 1;
}
[data-theme="dark"] .trending-number {
  color: var(--accent);
}

/* Category Grid Hub */
.category-pill-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 32px;
}
.category-pill {
  padding: 8px 16px;
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
  transition: all var(--transition-fast);
}
.category-pill:hover, .category-pill.active {
  background: var(--text-primary);
  color: var(--text-inverse);
  border-color: var(--text-primary);
}

/* Tools Section Showcase */
.tools-banner-section {
  background: var(--text-primary);
  color: var(--text-inverse);
  border-radius: var(--radius-lg);
  padding: 40px;
  margin: 48px 0;
  position: relative;
  overflow: hidden;
}
.tools-banner-header {
  max-width: 600px;
  margin-bottom: 32px;
}
.tools-banner-header h2 {
  color: var(--text-inverse);
  font-size: 2rem;
  margin-bottom: 12px;
}
.tools-banner-header p {
  color: #A3B5A6;
  font-size: 1rem;
}
.tools-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
@media (min-width: 640px) {
  .tools-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (min-width: 1024px) {
  .tools-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
.tool-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  padding: 20px;
  transition: all var(--transition-fast);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.tool-card:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--accent);
  transform: translateY(-2px);
}
.tool-card h3 {
  color: var(--text-inverse);
  font-size: 1.125rem;
  margin-bottom: 6px;
}
.tool-card p {
  color: #A3B5A6;
  font-size: 0.8125rem;
  line-height: 1.4;
  margin-bottom: 14px;
}
.tool-link-action {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 4px;
}

/* Newsletter Box */
.newsletter-box {
  background: var(--bg-surface-alt);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 40px 24px;
  text-align: center;
  margin: 48px 0;
}
.newsletter-content {
  max-width: 580px;
  margin: 0 auto;
}
.newsletter-title {
  font-size: 1.75rem;
  margin-bottom: 8px;
}
.newsletter-desc {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  margin-bottom: 24px;
}
.newsletter-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 460px;
  margin: 0 auto;
}
@media (min-width: 640px) {
  .newsletter-form {
    flex-direction: row;
  }
}
.newsletter-input {
  flex: 1;
  padding: 12px 16px;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  background: var(--bg-surface);
  color: var(--text-primary);
}
.newsletter-input:focus {
  outline: 2px solid var(--accent);
}
.form-feedback {
  margin-top: 12px;
  font-size: 0.8125rem;
  font-weight: 600;
  display: none;
}
.form-feedback.success {
  color: var(--color-success);
  display: block;
}
.form-feedback.error {
  color: var(--color-danger);
  display: block;
}

/* Mediavine Ad Slots (Placeholder Compliant) */
.ad-slot-container {
  margin: 32px auto;
  text-align: center;
  max-width: 728px;
  background: var(--bg-surface-alt);
  border: 1px dashed var(--border-light);
  border-radius: var(--radius-sm);
  padding: 16px;
  position: relative;
}
.ad-slot-label {
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 8px;
  display: block;
}
.ad-slot-box {
  min-height: 90px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.75rem;
}

/* Article Page Layout */
.article-layout {
  padding: 32px 0 64px;
}
.article-header {
  margin-bottom: 28px;
}
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-bottom: 16px;
}
.breadcrumb a:hover {
  color: var(--text-primary);
}
.breadcrumb-separator {
  color: var(--border-dark);
}
.article-title {
  font-size: 2.25rem;
  line-height: 1.2;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}
@media (min-width: 768px) {
  .article-title {
    font-size: 2.75rem;
  }
}
.article-lead {
  font-size: 1.125rem;
  line-height: 1.6;
  color: var(--text-secondary);
  margin-bottom: 24px;
  font-weight: 500;
}
.article-meta-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 0;
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
  font-size: 0.875rem;
}
.author-pill {
  display: flex;
  align-items: center;
  gap: 12px;
}
.author-avatar {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  object-fit: cover;
  border: 2px solid var(--accent);
}
.author-info-text strong {
  display: block;
  font-size: 0.9375rem;
  color: var(--text-primary);
}
.author-info-text span {
  font-size: 0.75rem;
  color: var(--text-muted);
}
.article-dates {
  display: flex;
  gap: 16px;
  color: var(--text-secondary);
  font-size: 0.8125rem;
}

.article-hero-image {
  margin: 28px 0 36px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-surface-alt);
  border: 1px solid var(--border-light);
}
.article-hero-image img {
  width: 100%;
  max-height: 520px;
  object-fit: cover;
}
.image-caption {
  padding: 10px 16px;
  font-size: 0.75rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border-light);
  background: var(--bg-surface);
}

/* Article Grid (Main Content + Sidebar) */
.article-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}
@media (min-width: 1024px) {
  .article-grid {
    grid-template-columns: 1fr 320px;
  }
}

/* Article Body Typography */
.article-content {
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--text-primary);
}
.article-content p {
  margin-bottom: 22px;
}
.article-content h2 {
  font-size: 1.75rem;
  margin: 36px 0 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-light);
}
.article-content h3 {
  font-size: 1.35rem;
  margin: 28px 0 12px;
}
.article-content ul, .article-content ol {
  margin-bottom: 24px;
  padding-left: 20px;
}
.article-content li {
  margin-bottom: 8px;
}
.article-content blockquote {
  border-left: 4px solid var(--accent);
  padding: 16px 20px;
  background: var(--bg-surface-alt);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: 28px 0;
  font-style: italic;
  font-size: 1.0625rem;
  color: var(--text-primary);
}

/* Table of Contents */
.toc-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 20px;
  margin-bottom: 32px;
}
.toc-title {
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.toc-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.toc-link {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  display: block;
}
.toc-link:hover {
  color: var(--text-primary);
  transform: translateX(4px);
}

/* Callouts / Alert Boxes */
.callout {
  padding: 20px;
  border-radius: var(--radius-md);
  margin: 28px 0;
  border-left: 4px solid;
}
.callout-title {
  font-weight: 800;
  font-size: 0.9375rem;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.callout-info {
  background: rgba(59, 130, 246, 0.08);
  border-color: var(--color-info);
}
.callout-safety {
  background: rgba(239, 68, 68, 0.08);
  border-color: var(--color-danger);
}
.callout-tip {
  background: rgba(184, 243, 75, 0.15);
  border-color: #558B2F;
}
[data-theme="dark"] .callout-tip {
  background: rgba(184, 243, 75, 0.12);
  border-color: var(--accent);
}

/* Tables in Content */
.content-table-wrapper {
  overflow-x: auto;
  margin: 28px 0;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
}
.content-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
  text-align: left;
}
.content-table th {
  background: var(--bg-surface-alt);
  padding: 12px 16px;
  font-weight: 700;
  border-bottom: 2px solid var(--border-light);
}
.content-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-light);
}
.content-table tr:last-child td {
  border-bottom: none;
}
.content-table tr:hover td {
  background: rgba(0, 0, 0, 0.02);
}

/* References Section */
.article-references {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 2px solid var(--border-light);
  font-size: 0.8125rem;
  color: var(--text-secondary);
}
.article-references h4 {
  font-size: 1rem;
  margin-bottom: 12px;
}
.article-references ol {
  padding-left: 18px;
}
.article-references li {
  margin-bottom: 6px;
}

/* Social Share Bar */
.share-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 32px 0;
  padding: 16px;
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
}
.share-title {
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
}
.share-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: var(--bg-surface-alt);
  color: var(--text-primary);
  transition: all var(--transition-fast);
}
.share-btn:hover {
  background: var(--accent);
  color: #0E1E12;
}

/* Author Bio Card on Article Page */
.author-bio-card {
  display: flex;
  flex-direction: column;
  gap: 16px;
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin: 40px 0;
}
@media (min-width: 640px) {
  .author-bio-card {
    flex-direction: row;
    align-items: flex-start;
  }
}
.bio-avatar {
  width: 72px;
  height: 72px;
  border-radius: var(--radius-full);
  object-fit: cover;
  flex-shrink: 0;
}
.bio-content h4 {
  font-size: 1.125rem;
  margin-bottom: 4px;
}
.bio-credentials {
  font-size: 0.8125rem;
  color: var(--text-muted);
  font-weight: 600;
  margin-bottom: 8px;
  display: block;
}
.bio-content p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 12px;
}
.bio-link {
  font-size: 0.8125rem;
  font-weight: 700;
  color: #357A38;
}
[data-theme="dark"] .bio-link {
  color: var(--accent);
}

/* Article Navigation (Next/Prev) */
.article-pagination-nav {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin: 40px 0;
}
@media (min-width: 640px) {
  .article-pagination-nav {
    grid-template-columns: 1fr 1fr;
  }
}
.page-nav-link {
  padding: 16px 20px;
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}
.page-nav-link:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}
.page-nav-link.next {
  text-align: right;
}
.nav-sub-label {
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  margin-bottom: 4px;
  display: block;
}
.nav-article-name {
  font-weight: 700;
  font-size: 0.9375rem;
  color: var(--text-primary);
  display: block;
}

/* Sidebar Widgets */
.sidebar-widget {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-bottom: 28px;
}
.widget-title {
  font-size: 1.125rem;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--accent);
}
.widget-list {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.widget-list-item {
  display: flex;
  gap: 12px;
}
.widget-list-item img {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  flex-shrink: 0;
}
.widget-list-content {
  flex: 1;
}
.widget-list-content a {
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1.35;
  display: block;
  margin-bottom: 4px;
}
.widget-list-content span {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Category Page Specifics */
.category-hero {
  padding: 40px 0;
  background: var(--bg-surface-alt);
  border-bottom: 1px solid var(--border-light);
  margin-bottom: 40px;
}
.category-hero-title {
  font-size: 2.5rem;
  margin-bottom: 12px;
}
.category-hero-desc {
  max-width: 720px;
  font-size: 1.0625rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Authors Directory & Profile */
.author-card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin: 36px 0;
}
@media (min-width: 640px) {
  .author-card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
.author-profile-header {
  display: flex;
  flex-direction: column;
  gap: 24px;
  align-items: center;
  text-align: center;
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 40px 24px;
  margin-bottom: 40px;
}
@media (min-width: 768px) {
  .author-profile-header {
    flex-direction: row;
    text-align: left;
    align-items: flex-start;
  }
}
.author-profile-avatar {
  width: 120px;
  height: 120px;
  border-radius: var(--radius-full);
  object-fit: cover;
  border: 3px solid var(--accent);
}
.author-profile-info {
  flex: 1;
}
.author-profile-info h1 {
  font-size: 2rem;
  margin-bottom: 4px;
}
.author-profile-title {
  color: var(--text-muted);
  font-weight: 600;
  margin-bottom: 12px;
  display: block;
}
.author-profile-bio {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.6;
  margin-bottom: 16px;
}
.author-badges-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.author-spec-badge {
  font-size: 0.75rem;
  background: var(--bg-surface-alt);
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-weight: 600;
}

/* Legal & Policy Pages */
.policy-page {
  padding: 48px 0 80px;
}
.policy-header {
  margin-bottom: 32px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-light);
}
.policy-meta {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-top: 6px;
}
.policy-content {
  font-size: 1rem;
  line-height: 1.7;
}
.policy-content h2 {
  font-size: 1.4rem;
  margin: 32px 0 12px;
}
.policy-content h3 {
  font-size: 1.15rem;
  margin: 20px 0 8px;
}
.policy-content p {
  margin-bottom: 16px;
}
.policy-content ul {
  margin-bottom: 20px;
  padding-left: 20px;
}
.policy-content li {
  margin-bottom: 6px;
}

/* Footer */
.site-footer {
  background: var(--text-primary);
  color: #CAD5CD;
  padding: 64px 0 32px;
  margin-top: auto;
  border-top: 1px solid var(--border-dark);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  margin-bottom: 48px;
}
@media (min-width: 640px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (min-width: 1024px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }
}
.footer-brand p {
  margin-top: 12px;
  font-size: 0.875rem;
  color: #8D9E90;
  max-width: 320px;
  line-height: 1.5;
}
.footer-title {
  color: #F5F6F0;
  font-size: 0.875rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 16px;
}
.footer-nav {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-nav a {
  font-size: 0.875rem;
  color: #A3B5A6;
  transition: color var(--transition-fast);
}
.footer-nav a:hover {
  color: var(--accent);
}
.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
  font-size: 0.75rem;
  color: #718173;
}
@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
  }
}
.footer-legal-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-legal-links a:hover {
  color: var(--text-inverse);
}

/* Toast Notification */
.toast-notice {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--text-primary);
  color: var(--accent);
  padding: 12px 20px;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 700;
  box-shadow: var(--shadow-modal);
  z-index: 3000;
  transform: translateY(100px);
  opacity: 0;
  transition: all var(--transition-normal);
}
.toast-notice.show {
  transform: translateY(0);
  opacity: 1;
}