/* ============================================================
   HowToGuides Main CSS — Orange/Warm Theme
   ============================================================ */

/* Custom Properties */
:root {
  --color-primary: #ea580c;
  --color-primary-dark: #c2410c;
  --color-primary-light: #ffedd5;
  --color-secondary: #d97706;
  --color-secondary-light: #fef3c7;
  --color-accent: #16a34a;
  --color-accent-light: #dcfce7;
  --color-background: #ffffff;
  --color-surface: #fafaf9;
  --color-surface-2: #f5f5f4;
  --color-text: #1c1917;
  --color-text-muted: #78716c;
  --color-border: #e7e5e4;
  --color-border-dark: #d6d3d1;

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  --radius-sm: 0.25rem;
  --radius: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 15px rgba(0,0,0,0.1), 0 4px 6px rgba(0,0,0,0.05);
  --shadow-xl: 0 20px 25px rgba(0,0,0,0.1), 0 10px 10px rgba(0,0,0,0.04);

  --max-width: 1100px;
  --header-height: 64px;
  --transition: 0.2s ease;
}

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

html { font-size: 16px; scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-background);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main { flex: 1; }

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

a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

ul, ol { padding-left: var(--space-6); }

.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border-width: 0;
}

/* ============================================================
   Container
   ============================================================ */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

/* ============================================================
   Header
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  gap: var(--space-6);
}

.site-logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 700;
  font-size: var(--text-xl);
  color: var(--color-text);
  text-decoration: none;
  flex-shrink: 0;
}

.logo-icon { font-size: 1.4rem; }

.logo-text {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.site-nav { display: flex; align-items: center; }

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  list-style: none;
  padding: 0;
  margin: 0;
}

.nav-link {
  display: block;
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  border-radius: var(--radius);
  transition: color var(--transition), background var(--transition);
}

.nav-link:hover, .nav-link--active {
  color: var(--color-primary);
  background: var(--color-primary-light);
  text-decoration: none;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.btn-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius);
  color: var(--color-text-muted);
  transition: color var(--transition), background var(--transition);
}

.btn-icon:hover {
  color: var(--color-primary);
  background: var(--color-primary-light);
  text-decoration: none;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: var(--transition);
}

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-2) var(--space-5);
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  text-decoration: none;
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-primary-light);
  text-decoration: none;
}

.btn-white {
  background: #fff;
  color: var(--color-primary);
  border-color: #fff;
}

.btn-white:hover {
  background: var(--color-primary-light);
  text-decoration: none;
}

.btn-outline-white {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.6);
}

.btn-outline-white:hover {
  background: rgba(255,255,255,0.1);
  border-color: #fff;
  text-decoration: none;
}

.btn-sm {
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
}

.btn-cta { padding: var(--space-3) var(--space-6); font-size: var(--text-base); }

/* ============================================================
   Category Badges
   ============================================================ */
.category-badge {
  display: inline-block;
  padding: 3px 10px;
  font-size: var(--text-xs);
  font-weight: 600;
  border-radius: var(--radius-full);
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  text-decoration: none;
}

.category-badge:hover { opacity: 0.85; text-decoration: none; }

.category-badge--hero {
  background: rgba(255,255,255,0.2);
  color: #fff;
  backdrop-filter: blur(4px);
}

/* ============================================================
   Hero Section
   ============================================================ */
.hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, #9a3412 100%);
  color: #fff;
  padding: var(--space-20) 0;
}

.hero-content { max-width: 700px; }

.hero-title {
  font-size: clamp(2rem, 5vw, var(--text-5xl));
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: var(--space-5);
  color: #fff;
}

.hero-highlight {
  background: linear-gradient(135deg, #fed7aa, #fbbf24);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: var(--text-xl);
  opacity: 0.9;
  margin-bottom: var(--space-8);
  line-height: 1.5;
}

.hero-search { margin-bottom: var(--space-10); }

.hero-search-form {
  display: flex;
  gap: var(--space-2);
  max-width: 580px;
}

.hero-search-form input {
  flex: 1;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-base);
  border: none;
  border-radius: var(--radius);
  background: rgba(255,255,255,0.95);
  color: var(--color-text);
  outline: none;
}

.hero-search-form input:focus {
  box-shadow: 0 0 0 3px rgba(255,255,255,0.4);
}

.hero-search-form input::placeholder { color: var(--color-text-muted); }

.hero-stats {
  display: flex;
  gap: var(--space-8);
  flex-wrap: wrap;
}

.hero-stat { display: flex; flex-direction: column; gap: 2px; }

.hero-stat-number {
  font-size: var(--text-2xl);
  font-weight: 800;
  color: #fed7aa;
}

.hero-stat-label { font-size: var(--text-sm); opacity: 0.8; }

/* ============================================================
   Section Headings
   ============================================================ */
.section-title {
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-3);
}

.section-subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  margin-bottom: var(--space-10);
}

.section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: var(--space-8);
}

.section-header .section-title { margin-bottom: 0; }

.view-all-link {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-primary);
}

/* ============================================================
   Featured Cards
   ============================================================ */
.featured-section { padding: var(--space-20) 0; }

.featured-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.featured-card {
  background: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}

.featured-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.featured-card-image {
  height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.featured-card-icon { font-size: 3rem; }

.featured-badge {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  padding: 3px 10px;
  font-size: var(--text-xs);
  font-weight: 700;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,0.2);
  color: #fff;
  backdrop-filter: blur(4px);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.featured-card-body { padding: var(--space-5); }

.featured-card-title {
  font-size: var(--text-xl);
  font-weight: 700;
  margin: var(--space-2) 0 var(--space-3);
  line-height: 1.3;
}

.featured-card-title a { color: var(--color-text); }
.featured-card-title a:hover { color: var(--color-primary); text-decoration: none; }

.featured-card-desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.5;
  margin-bottom: var(--space-4);
}

.featured-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* ============================================================
   Categories Section
   ============================================================ */
.categories-section {
  padding: var(--space-20) 0;
  background: var(--color-surface);
}

.categories-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}

.category-card {
  background: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  text-decoration: none;
}

.category-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
  text-decoration: none;
}

.category-card-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.category-card-name {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
}

.category-card-desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.5;
  flex: 1;
}

.category-card-link {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-primary);
}

/* ============================================================
   Article Grid & Cards
   ============================================================ */
.recent-section { padding: var(--space-20) 0; }

.article-grid {
  display: grid;
  gap: var(--space-6);
}

.article-grid--3 { grid-template-columns: repeat(3, 1fr); }

.article-card {
  background: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
}

.article-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.article-card-image-link { display: block; }

.article-card-image {
  height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.article-card-icon { font-size: 2.5rem; }

.article-card-body {
  padding: var(--space-4) var(--space-5) var(--space-5);
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: var(--space-2);
}

.article-card-title {
  font-size: var(--text-base);
  font-weight: 700;
  line-height: 1.35;
  margin: var(--space-1) 0;
}

.article-card-title a { color: var(--color-text); }
.article-card-title a:hover { color: var(--color-primary); text-decoration: none; }

.article-card-desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.5;
  flex: 1;
}

.article-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: var(--space-2);
}

.article-date { font-size: var(--text-xs); color: var(--color-text-muted); }
.article-reading-time { font-size: var(--text-xs); color: var(--color-text-muted); }

/* ============================================================
   Home CTA Section
   ============================================================ */
.home-cta-section {
  padding: var(--space-20) 0;
  background: linear-gradient(135deg, var(--color-primary), #9a3412);
}

.home-cta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
}

.home-cta-content { color: #fff; }

.home-cta-content h2 {
  font-size: var(--text-3xl);
  font-weight: 700;
  margin-bottom: var(--space-4);
}

.home-cta-content p {
  font-size: var(--text-lg);
  opacity: 0.9;
  margin-bottom: var(--space-8);
  line-height: 1.6;
}

.home-cta-buttons {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.cta-visual-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
}

.cta-visual-card {
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  color: #fff;
  font-size: var(--text-sm);
  font-weight: 600;
  text-align: center;
}

/* ============================================================
   Article Page
   ============================================================ */
.breadcrumbs { padding: var(--space-4) 0; }

.breadcrumb-list {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  flex-wrap: wrap;
}

.breadcrumb-list li:not(:last-child)::after {
  content: "›";
  margin-left: var(--space-2);
  color: var(--color-border-dark);
}

.breadcrumb-list a { color: var(--color-text-muted); }
.breadcrumb-list a:hover { color: var(--color-primary); }

.breadcrumbs--light .breadcrumb-list { color: rgba(255,255,255,0.7); }
.breadcrumbs--light .breadcrumb-list a { color: rgba(255,255,255,0.7); }
.breadcrumbs--light .breadcrumb-list a:hover { color: #fff; }
.breadcrumbs--light .breadcrumb-list li:not(:last-child)::after { color: rgba(255,255,255,0.4); }

.article-hero {
  padding: var(--space-12) 0;
  color: #fff;
}

.article-hero-title {
  font-size: clamp(1.6rem, 4vw, var(--text-4xl));
  font-weight: 800;
  margin: var(--space-3) 0 var(--space-4);
  line-height: 1.2;
  color: #fff;
}

.article-hero-meta {
  display: flex;
  gap: var(--space-4);
  font-size: var(--text-sm);
  opacity: 0.85;
  flex-wrap: wrap;
}

.article-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: var(--space-10);
  padding: var(--space-10) 0;
  align-items: start;
}

/* Prose styles */
.prose {
  font-size: var(--text-base);
  line-height: 1.75;
  color: var(--color-text);
}

.prose h2 {
  font-size: var(--text-2xl);
  font-weight: 700;
  margin: var(--space-10) 0 var(--space-4);
  color: var(--color-text);
  padding-bottom: var(--space-2);
  border-bottom: 2px solid var(--color-primary-light);
}

.prose h3 {
  font-size: var(--text-xl);
  font-weight: 700;
  margin: var(--space-8) 0 var(--space-3);
  color: var(--color-text);
}

.prose p { margin: 0 0 var(--space-5); }

.prose ul, .prose ol {
  margin: 0 0 var(--space-5);
  padding-left: var(--space-6);
}

.prose li { margin-bottom: var(--space-2); }

.prose strong { font-weight: 700; color: var(--color-text); }

.prose a { color: var(--color-primary); }
.prose a:hover { text-decoration: underline; }

.prose blockquote {
  border-left: 4px solid var(--color-primary);
  background: var(--color-primary-light);
  padding: var(--space-4) var(--space-6);
  margin: var(--space-6) 0;
  border-radius: 0 var(--radius) var(--radius) 0;
  font-style: italic;
}

.prose code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
}

.prose pre {
  background: var(--color-text);
  color: #f1f5f9;
  padding: var(--space-5);
  border-radius: var(--radius-lg);
  overflow-x: auto;
  margin: var(--space-6) 0;
}

.prose pre code {
  background: none;
  border: none;
  padding: 0;
  color: inherit;
}

/* Step-by-step styling */
.prose ol > li {
  padding-left: var(--space-2);
  margin-bottom: var(--space-4);
}

.prose ol > li::marker {
  font-weight: 700;
  color: var(--color-primary);
}

/* Article tags */
.article-tags {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin: var(--space-8) 0;
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
}

.tags-label { font-size: var(--text-sm); font-weight: 600; color: var(--color-text-muted); }

.tag-badge {
  padding: 3px 10px;
  font-size: var(--text-xs);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
  transition: var(--transition);
}

.tag-badge:hover {
  background: var(--color-primary-light);
  border-color: var(--color-primary);
  color: var(--color-primary-dark);
  text-decoration: none;
}

/* Sidebar */
.article-sidebar { display: flex; flex-direction: column; gap: var(--space-5); }

.sidebar-card {
  background: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-5);
  box-shadow: var(--shadow-sm);
}

.sidebar-heading {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 2px solid var(--color-primary-light);
}

.sidebar-newsletter { background: var(--color-primary-light); border-color: var(--color-primary); }
.sidebar-newsletter .sidebar-heading { border-bottom-color: rgba(234,88,12,0.2); }
.sidebar-newsletter p { font-size: var(--text-sm); color: var(--color-primary-dark); margin-bottom: var(--space-4); }

/* Quick Info */
.quick-info-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.quick-info-list strong { color: var(--color-text); }

/* TOC */
.toc-list { list-style: none; padding: 0; margin: 0; }

.toc-item { margin-bottom: var(--space-2); }

.toc-item a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  display: block;
  padding: 3px 0;
  transition: color var(--transition);
}

.toc-item a:hover { color: var(--color-primary); text-decoration: none; }

.toc-h3 { padding-left: var(--space-4); }

/* Related Articles */
.related-articles {
  padding: var(--space-10) 0 var(--space-16);
  border-top: 1px solid var(--color-border);
}

.related-articles .section-title { margin-bottom: var(--space-8); }

/* Article CTA */
.article-cta {
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-secondary-light));
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  margin: var(--space-8) 0;
}

.article-cta-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-8);
  align-items: center;
}

.article-cta-title {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: var(--space-3);
}

.article-cta-desc {
  font-size: var(--text-sm);
  color: var(--color-primary-dark);
  opacity: 0.85;
  margin-bottom: var(--space-5);
  line-height: 1.6;
}

.cta-visual-stack {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  min-width: 160px;
}

.cta-card {
  background: rgba(255,255,255,0.6);
  border: 1px solid rgba(234,88,12,0.2);
  border-radius: var(--radius);
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-primary-dark);
  text-align: center;
}

/* ============================================================
   Category Page
   ============================================================ */
.category-hero {
  padding: var(--space-16) 0;
  color: #fff;
}

.category-hero-icon { font-size: 3rem; margin-bottom: var(--space-4); }

.category-hero-title {
  font-size: clamp(2rem, 4vw, var(--text-4xl));
  font-weight: 800;
  margin-bottom: var(--space-3);
  color: #fff;
}

.category-hero-desc {
  font-size: var(--text-lg);
  opacity: 0.9;
  margin-bottom: var(--space-4);
  max-width: 600px;
}

.category-count {
  display: inline-block;
  padding: 4px 14px;
  background: rgba(255,255,255,0.2);
  backdrop-filter: blur(4px);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 600;
  color: #fff;
}

.category-page .container { padding-top: var(--space-10); padding-bottom: var(--space-16); }

/* ============================================================
   Categories Page
   ============================================================ */
.categories-page-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  padding: var(--space-10) 0 var(--space-16);
}

.category-page-card {
  background: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
  text-decoration: none;
  display: flex;
  flex-direction: column;
}

.category-page-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  text-decoration: none;
}

.category-page-card-header {
  height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.category-page-icon { font-size: 3rem; }

.category-page-card-body {
  padding: var(--space-5);
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.category-page-card-title {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text);
}

.category-page-card-body p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.5;
  flex: 1;
}

.category-page-count {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-primary);
}

/* ============================================================
   Page Hero (generic)
   ============================================================ */
.page-hero {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: #fff;
  padding: var(--space-16) 0;
  text-align: center;
}

.page-hero-title {
  font-size: clamp(2rem, 4vw, var(--text-4xl));
  font-weight: 800;
  color: #fff;
  margin-bottom: var(--space-3);
}

.page-hero-desc {
  font-size: var(--text-lg);
  opacity: 0.9;
}

/* ============================================================
   Search Page
   ============================================================ */
.search-page-form {
  display: flex;
  gap: var(--space-3);
  max-width: 600px;
  margin: var(--space-6) auto 0;
}

.search-input {
  flex: 1;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-base);
  border: none;
  border-radius: var(--radius);
  background: rgba(255,255,255,0.95);
  color: var(--color-text);
  outline: none;
}

.search-input:focus { box-shadow: 0 0 0 3px rgba(255,255,255,0.4); }

.search-results, .search-no-results {
  padding: var(--space-10) 0 var(--space-16);
}

.search-prompt { color: var(--color-text-muted); font-size: var(--text-lg); }

.search-count {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
}

.search-results-list { display: flex; flex-direction: column; gap: var(--space-4); }

.search-result-item {
  display: block;
  padding: var(--space-5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background: var(--color-background);
  box-shadow: var(--shadow-sm);
  transition: border-color var(--transition), box-shadow var(--transition);
  text-decoration: none;
}

.search-result-item:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  text-decoration: none;
}

.search-result-meta { margin-bottom: var(--space-2); }

.search-result-title {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.search-result-desc { font-size: var(--text-sm); color: var(--color-text-muted); }

mark {
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  border-radius: 2px;
  padding: 1px 2px;
}

/* ============================================================
   About Page
   ============================================================ */
.about-page .container { padding-top: var(--space-10); padding-bottom: var(--space-16); }

.about-content {
  max-width: 720px;
  margin: 0 auto;
}

/* ============================================================
   Footer
   ============================================================ */
.site-footer {
  background: var(--color-text);
  color: rgba(255,255,255,0.7);
  padding: var(--space-16) 0 var(--space-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-8);
  margin-bottom: var(--space-12);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xl);
  font-weight: 700;
  color: #fff;
  text-decoration: none;
  margin-bottom: var(--space-4);
}

.footer-tagline {
  font-size: var(--text-sm);
  line-height: 1.6;
  margin-bottom: var(--space-4);
}

.footer-cta-link {
  font-size: var(--text-sm);
  font-weight: 600;
  color: #fed7aa;
  transition: color var(--transition);
}

.footer-cta-link:hover { color: #fff; text-decoration: none; }

.footer-heading {
  font-size: var(--text-sm);
  font-weight: 700;
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-4);
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer-links a {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.6);
  transition: color var(--transition);
}

.footer-links a:hover { color: #fff; text-decoration: none; }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-6);
  border-top: 1px solid rgba(255,255,255,0.1);
}

.footer-copy { font-size: var(--text-sm); }

.footer-bottom-links {
  display: flex;
  gap: var(--space-4);
}

.footer-bottom-links a {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.4);
}

.footer-bottom-links a:hover { color: rgba(255,255,255,0.7); }

/* ============================================================
   Empty State
   ============================================================ */
.empty-state {
  text-align: center;
  padding: var(--space-16) 0;
  color: var(--color-text-muted);
}

.empty-state p { margin-bottom: var(--space-6); font-size: var(--text-lg); }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 1024px) {
  .featured-grid { grid-template-columns: 1fr 1fr; }
  .categories-grid { grid-template-columns: 1fr 1fr; }
  .article-grid--3 { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--space-8); }
  .home-cta { grid-template-columns: 1fr; }
  .home-cta-visual { display: none; }
  .categories-page-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-toggle { display: flex; }

  .site-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--transition), opacity var(--transition);
    z-index: 99;
  }

  .site-nav--open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-list { flex-direction: column; padding: var(--space-4); gap: var(--space-1); }
  .nav-link { padding: var(--space-3) var(--space-4); font-size: var(--text-base); }

  .hero { padding: var(--space-12) 0; }
  .hero-search-form { flex-direction: column; }
  .hero-stats { gap: var(--space-6); }

  .featured-grid { grid-template-columns: 1fr; }
  .categories-grid { grid-template-columns: 1fr; }
  .article-grid--3 { grid-template-columns: 1fr; }
  .categories-page-grid { grid-template-columns: 1fr; }

  .article-layout {
    grid-template-columns: 1fr;
  }

  .article-sidebar { display: none; }

  .article-cta-inner { grid-template-columns: 1fr; }
  .cta-visual-stack { display: none; }

  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: var(--space-3); text-align: center; }

  .section-header { flex-direction: column; gap: var(--space-2); }
}

@media (max-width: 480px) {
  :root { --max-width: 100%; }
  .container { padding: 0 var(--space-4); }
  .hero-title { font-size: 2rem; }
  .section-title { font-size: var(--text-2xl); }
}

/* ============================================================
   Print
   ============================================================ */
@media print {
  .site-header, .site-footer, .article-sidebar, .article-cta, .related-articles { display: none; }
  .article-layout { grid-template-columns: 1fr; }
  .prose { font-size: 12pt; }
}