/* ============================================
   ARLU BLOG — Minimal Blog Design System
   Clean, editorial, Google-inspired
   ============================================ */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=Newsreader:ital,wght@0,400;0,500;0,600;0,700;1,400;1,500&family=JetBrains+Mono:wght@400;500&display=swap');

/* --- CSS Custom Properties --- */
:root {
  /* Neutral Palette */
  --black: #111111;
  --gray-900: #1a1a1a;
  --gray-800: #2d2d2d;
  --gray-700: #404040;
  --gray-600: #555555;
  --gray-500: #717171;
  --gray-400: #9b9b9b;
  --gray-300: #c4c4c4;
  --gray-200: #e0e0e0;
  --gray-100: #f0f0f0;
  --gray-50: #f7f7f7;
  --white: #ffffff;

  /* Accent — monochrome B&W */
  --accent: #1a1a1a;
  --accent-hover: #111111;
  --accent-light: #f5f5f5;
  --accent-muted: #d4d4d4;

  /* Surfaces */
  --surface: var(--white);
  --surface-secondary: var(--gray-50);
  --border: var(--gray-200);
  --border-light: var(--gray-100);

  /* Text */
  --text-primary: var(--gray-900);
  --text-secondary: var(--gray-600);
  --text-muted: var(--gray-400);

  /* Typography */
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-serif: 'Newsreader', Georgia, 'Times New Roman', serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Shadows — very subtle */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.05), 0 2px 4px rgba(0, 0, 0, 0.03);

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  /* Transitions */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --duration: 200ms;

  /* Layout */
  --max-width: 1180px;
  --content-width: 700px;
  --sidebar-width: 300px;
  --header-height: 56px;
}

/* --- Dark Mode --- */
[data-theme="dark"] {
  --surface: #111111;
  --surface-secondary: #1a1a1a;
  --border: #2d2d2d;
  --border-light: #222222;

  --text-primary: #e8e8e8;
  --text-secondary: #a0a0a0;
  --text-muted: #666666;

  --accent: #e0e0e0;
  --accent-hover: #ffffff;
  --accent-light: #222222;
  --accent-muted: #333333;

  --gray-50: #161616;
  --gray-100: #1e1e1e;
  --gray-200: #2d2d2d;
}

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

html {
  zoom: 0.85;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 24px);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--surface);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background var(--duration) var(--ease), color var(--duration) var(--ease);
}

a {
  color: inherit;
  text-decoration: none;
  transition: all var(--duration) var(--ease);
}

a:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  font-size: inherit;
  color: inherit;
}

::selection {
  background: var(--text-primary);
  color: var(--surface);
}

/* ============================================
   PAGE LOADER — Curtain reveal animation
   ============================================ */
.page-loader {
  position: fixed;
  inset: 0;
  z-index: 99999;
  pointer-events: all;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
}

/* Two curtain halves */
.loader-curtain {
  position: absolute;
  top: 0;
  width: 50%;
  height: 100%;
  background: #ffffff;
  transition: transform 0.75s cubic-bezier(0.76, 0, 0.24, 1);
  will-change: transform;
}

[data-theme="dark"] .loader-curtain {
  background: #111111;
}

.loader-curtain--left {
  left: 0;
  transform-origin: left center;
}

.loader-curtain--right {
  right: 0;
  transform-origin: right center;
}

/* The horizontal line */
.loader-line {
  position: relative;
  z-index: 2;
  width: 0;
  height: 1.5px;
  background: #111111;
  animation: loaderLineExpand 0.8s cubic-bezier(0.22, 1, 0.36, 1) 0.15s forwards;
}

[data-theme="dark"] .loader-line {
  background: #e0e0e0;
}

/* Logo text centered above the line */
.loader-logo {
  position: absolute;
  z-index: 2;
  top: 50%;
  left: 50%;
  transform: translate(-50%, calc(-50% - 22px));
  font-family: 'Newsreader', Georgia, serif;
  font-weight: 700;
  font-size: 1.6rem;
  color: #111111;
  letter-spacing: -0.5px;
  opacity: 0;
  animation: loaderLogoIn 0.5s cubic-bezier(0.22, 1, 0.36, 1) 0.05s forwards;
}

[data-theme="dark"] .loader-logo {
  color: #e0e0e0;
}

/* Animations */
@keyframes loaderLineExpand {
  0% { width: 0; }
  100% { width: min(220px, 45vw); }
}

@keyframes loaderLogoIn {
  0% { opacity: 0; transform: translate(-50%, calc(-50% - 14px)); }
  100% { opacity: 1; transform: translate(-50%, calc(-50% - 22px)); }
}

/* Reveal state — curtains slide out */
.page-loader.reveal .loader-curtain--left {
  transform: translateX(-100%);
}

.page-loader.reveal .loader-curtain--right {
  transform: translateX(100%);
}

.page-loader.reveal .loader-line {
  opacity: 0;
  transition: opacity 0.2s ease;
}

.page-loader.reveal .loader-logo {
  opacity: 0;
  transition: opacity 0.2s ease;
}

/* After animation completes, hide entirely */
.page-loader.done {
  display: none;
  pointer-events: none;
}

/* Prevent content flash while loading */
body.loading {
  overflow: hidden;
}

/* --- Animations --- */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.animate-in {
  animation: fadeUp 0.45s var(--ease) both;
}

.animate-in:nth-child(2) { animation-delay: 60ms; }
.animate-in:nth-child(3) { animation-delay: 120ms; }
.animate-in:nth-child(4) { animation-delay: 180ms; }
.animate-in:nth-child(5) { animation-delay: 240ms; }

/* --- Reading Progress --- */
.reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  background: var(--text-primary);
  z-index: 10000;
  transition: width 80ms linear;
}

/* ============================================
   HEADER — Minimal blog navigation
   ============================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
  transition: background var(--duration) var(--ease), border-color var(--duration) var(--ease);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 32px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Logo — just text, beautiful font */
.header-logo {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.4rem;
  color: var(--text-primary);
  letter-spacing: -0.5px;
  text-decoration: none;
  transition: opacity var(--duration);
}

.header-logo:hover {
  opacity: 0.7;
  color: var(--text-primary);
  text-decoration: none;
}

/* Remove old logo icon box */
.header-logo .logo-icon { display: none; }
.header-logo span { /* just show text */ }

/* Nav */
.header-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.header-nav a {
  padding: 6px 14px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-full);
  transition: all var(--duration) var(--ease);
}

.header-nav a:hover {
  color: var(--text-primary);
  background: var(--surface-secondary);
  text-decoration: none;
}

.header-nav a.active {
  color: var(--text-primary);
  font-weight: 600;
}

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: 2px;
}

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

.icon-btn:hover {
  background: var(--surface-secondary);
  color: var(--text-primary);
}

.icon-btn svg {
  width: 18px;
  height: 18px;
}

/* ============================================
   SEARCH OVERLAY
   ============================================ */
.search-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(4px);
  z-index: 2000;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 100px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration) var(--ease);
}

.search-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.search-container {
  width: 100%;
  max-width: 560px;
  background: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: 0 24px 48px rgba(0,0,0,0.12);
  border: 1px solid var(--border);
  overflow: hidden;
  transform: translateY(-12px) scale(0.97);
  transition: transform var(--duration) var(--ease);
}

.search-overlay.active .search-container {
  transform: translateY(0) scale(1);
}

.search-input-wrapper {
  display: flex;
  align-items: center;
  padding: 14px 18px;
  gap: 12px;
  border-bottom: 1px solid var(--border-light);
}

.search-input-wrapper svg {
  width: 18px;
  height: 18px;
  color: var(--text-muted);
  flex-shrink: 0;
}

.search-input {
  flex: 1;
  border: none;
  outline: none;
  font-size: 0.95rem;
  font-family: var(--font-sans);
  color: var(--text-primary);
  background: transparent;
}

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

.search-results {
  max-height: 340px;
  overflow-y: auto;
  padding: 6px;
}

.search-result-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  transition: background var(--duration);
  text-decoration: none;
  color: var(--text-primary);
}

.search-result-item:hover {
  background: var(--surface-secondary);
  color: var(--text-primary);
  text-decoration: none;
}

.search-result-item .result-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: var(--accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.search-result-item .result-icon svg {
  width: 16px;
  height: 16px;
  color: var(--text-primary);
}

.search-result-item .result-text h4 {
  font-size: 0.88rem;
  font-weight: 500;
  margin-bottom: 1px;
}

.search-result-item .result-text p {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.search-empty {
  text-align: center;
  padding: 32px 16px;
  color: var(--text-muted);
  font-size: 0.88rem;
}

/* ============================================
   MAIN LAYOUT
   ============================================ */
.main-content {
  margin-top: var(--header-height);
  padding-top: 28px;
  min-height: calc(100vh - var(--header-height));
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 32px;
}

.page-layout {
  display: grid;
  grid-template-columns: 1fr var(--sidebar-width);
  gap: 48px;
  padding: 40px 0 64px;
}

/* ============================================
   HERO — Clean editorial featured article
   ============================================ */
.hero {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 40px;
  cursor: pointer;
  aspect-ratio: 2.2/1;
  text-decoration: none !important;
  color: white;
  display: block;
  animation: fadeIn 0.5s var(--ease);
}

.hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease);
}

.hero:hover .hero-image {
  transform: scale(1.02);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.75) 0%, rgba(0,0,0,0.2) 50%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 36px;
}

.hero-category {
  display: inline-block;
  padding: 4px 10px;
  background: rgba(255,255,255,0.2);
  backdrop-filter: blur(8px);
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  border-radius: var(--radius-full);
  margin-bottom: 12px;
  width: fit-content;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 10px;
  max-width: 580px;
  letter-spacing: -0.3px;
}

.hero-excerpt {
  font-size: 0.92rem;
  opacity: 0.85;
  line-height: 1.5;
  max-width: 480px;
  margin-bottom: 14px;
  font-weight: 300;
}

.hero-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.78rem;
  opacity: 0.7;
}

.hero-meta .author-avatar {
  width: 26px;
  height: 26px;
  border-radius: var(--radius-full);
  border: 1.5px solid rgba(255,255,255,0.4);
}

/* ============================================
   SECTION HEADERS
   ============================================ */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border-light);
}

.section-title {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 1.2px;
}

.section-link {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 4px;
  transition: color var(--duration);
}

.section-link:hover { color: var(--text-primary); text-decoration: none; }

/* ============================================
   ARTICLE CARDS — Clean minimal cards
   ============================================ */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.article-card {
  background: var(--surface);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-light);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), border-color 0.3s var(--ease);
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
}

.article-card:hover {
  transform: translateY(-4px);
  border-color: var(--border);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.08), 0 4px 10px rgba(0, 0, 0, 0.04);
  text-decoration: none;
}

.article-card:hover .card-image img {
  transform: scale(1.03);
}

.card-image {
  aspect-ratio: 16/10;
  overflow: hidden;
  position: relative;
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s var(--ease);
}

.card-category {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 3px 10px;
  background: var(--surface);
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  border-radius: var(--radius-full);
  color: var(--text-secondary);
}

.card-body {
  padding: 18px 20px 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.card-title {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.35;
  margin-bottom: 8px;
  transition: color var(--duration);
}

.article-card:hover .card-title {
  color: var(--text-primary);
}

.card-excerpt {
  font-size: 0.84rem;
  color: var(--text-secondary);
  line-height: 1.55;
  margin-bottom: 16px;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  border-top: 1px solid var(--border-light);
}

.card-author {
  display: flex;
  align-items: center;
  gap: 8px;
}

.card-author img {
  width: 24px;
  height: 24px;
  border-radius: var(--radius-full);
}

.card-author span {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.card-meta {
  font-size: 0.72rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
}

.card-meta .dot {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--text-muted);
}

/* ============================================
   SIDEBAR — Clean widgets
   ============================================ */
.sidebar {
  position: sticky;
  top: calc(var(--header-height) + 24px);
  height: fit-content;
}

.sidebar-widget {
  margin-bottom: 28px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--border-light);
}

.sidebar-widget:last-child {
  border-bottom: none;
}

.widget-title {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 1.2px;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--text-primary);
}

/* Categories */
.categories-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.category-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 7px 10px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  color: var(--text-secondary);
  transition: all var(--duration);
  text-decoration: none;
}

.category-item:hover {
  background: var(--surface-secondary);
  color: var(--text-primary);
  text-decoration: none;
}

.category-count {
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--text-muted);
}

/* Popular Articles */
.popular-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.popular-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  text-decoration: none;
  color: inherit;
  padding: 10px;
  margin: -10px;
  border-radius: var(--radius-sm);
  transition: background 0.25s var(--ease);
}

.popular-item:hover {
  background: var(--surface-secondary);
  text-decoration: none;
}

.popular-number {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--gray-200);
  line-height: 1;
  min-width: 28px;
  font-family: var(--font-serif);
}

.popular-text h4 {
  font-size: 0.84rem;
  font-weight: 500;
  color: var(--text-primary);
  line-height: 1.35;
  margin-bottom: 3px;
}

.popular-text p {
  font-size: 0.72rem;
  color: var(--text-muted);
}

/* Newsletter */
.newsletter-widget {
  background: var(--surface-secondary);
  border-radius: var(--radius-md);
  padding: 24px;
  border: 1px solid var(--border-light);
  border-bottom: none !important;
  margin-bottom: 0;
}

.newsletter-widget .widget-title {
  border-bottom: none;
  padding-bottom: 0;
  margin-bottom: 8px;
}

.newsletter-text {
  font-size: 0.84rem;
  color: var(--text-secondary);
  margin-bottom: 16px;
  line-height: 1.5;
}

.newsletter-form {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.newsletter-input {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  outline: none;
  transition: border-color var(--duration);
}

.newsletter-input::placeholder { color: var(--text-muted); }
.newsletter-input:focus { border-color: var(--text-primary); }

.newsletter-btn {
  padding: 10px 14px;
  background: var(--text-primary);
  color: var(--surface);
  font-weight: 600;
  font-size: 0.82rem;
  border-radius: var(--radius-sm);
  transition: opacity var(--duration);
}

.newsletter-btn:hover { opacity: 0.85; }

/* ============================================
   BREADCRUMBS
   ============================================ */
.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.breadcrumbs a {
  color: var(--text-secondary);
}

.breadcrumbs a:hover { color: var(--text-primary); text-decoration: none; }
.breadcrumbs .separator { color: var(--text-muted); font-size: 0.7rem; }
.breadcrumbs .current { color: var(--text-primary); font-weight: 500; }

/* ============================================
   ARTICLE PAGE — Editorial reading layout
   ============================================ */
.article-header {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 32px 0 20px;
  text-align: center;
}

.article-header .article-category {
  display: inline-block;
  padding: 4px 12px;
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  border-radius: var(--radius-full);
  margin-bottom: 18px;
  color: var(--text-primary);
  border: 1px solid var(--text-primary);
}

.article-header h1 {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.5px;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.article-header .article-excerpt {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 24px;
}

.article-meta-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.article-author-info {
  display: flex;
  align-items: center;
  gap: 10px;
}

.article-author-info img {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
}

.article-author-info .author-details { text-align: left; }

.article-author-info .author-name {
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--text-primary);
}

.article-author-info .author-date {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.article-meta-item {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.article-meta-item svg {
  width: 14px;
  height: 14px;
}

/* Article Hero Image */
.article-hero-image {
  max-width: 860px;
  margin: 0 auto 36px;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.article-hero-image img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
}

/* Article Content — Beautiful reading typography */
.article-content {
  max-width: var(--content-width);
  margin: 0 auto;
  padding-bottom: 48px;
}

.article-content h2 {
  font-family: var(--font-serif);
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 36px 0 14px;
  line-height: 1.3;
}

.article-content h3 {
  font-family: var(--font-sans);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 28px 0 10px;
}

.article-content p {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  line-height: 1.85;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.article-content strong {
  color: var(--text-primary);
  font-weight: 600;
}

.article-content ul,
.article-content ol {
  margin-bottom: 20px;
  padding-left: 24px;
}

.article-content ul { list-style: disc; }
.article-content ol { list-style: decimal; }

.article-content li {
  font-family: var(--font-serif);
  font-size: 1rem;
  line-height: 1.75;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.article-content blockquote {
  border-left: 3px solid var(--text-primary);
  padding: 16px 24px;
  margin: 28px 0;
  background: var(--surface-secondary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--text-primary);
  font-size: 1.05rem;
  line-height: 1.7;
}

.article-content code {
  font-family: var(--font-mono);
  background: var(--surface-secondary);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.88em;
  color: var(--text-primary);
}

.article-content pre {
  background: var(--gray-900);
  color: var(--gray-100);
  padding: 20px 24px;
  border-radius: var(--radius-md);
  overflow-x: auto;
  margin-bottom: 20px;
  font-size: 0.88rem;
  line-height: 1.6;
}

[data-theme="dark"] .article-content pre {
  background: #0d0d0d;
}

.article-content pre code {
  background: none;
  padding: 0;
  color: inherit;
}

.article-content img {
  border-radius: var(--radius-md);
  margin: 28px 0;
}

/* Article Tags */
.article-tags {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  padding: 24px 0;
  border-top: 1px solid var(--border-light);
  margin-top: 28px;
}

.article-tags .tag-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-right: 4px;
}

.tag {
  padding: 4px 12px;
  background: var(--surface-secondary);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  color: var(--text-secondary);
  transition: all var(--duration);
}

.tag:hover {
  background: var(--gray-200);
  color: var(--text-primary);
  text-decoration: none;
}

/* Share Bar */
.share-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px 0;
  border-bottom: 1px solid var(--border-light);
  margin-bottom: 28px;
}

.share-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.share-btn {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--duration);
  color: white;
}

.share-btn:hover { transform: translateY(-1px); }

.share-btn.facebook { background: #1877f2; }
.share-btn.twitter { background: #111; }
[data-theme="dark"] .share-btn.twitter { background: #e8e8e8; color: #111; }
.share-btn.linkedin { background: #0a66c2; }
.share-btn.whatsapp { background: #25d366; }
.share-btn.copy-link { background: var(--surface-secondary); color: var(--text-secondary); border: 1px solid var(--border); }
.share-btn.copy-link:hover { border-color: var(--text-primary); color: var(--text-primary); }

.share-btn svg { width: 15px; height: 15px; }

/* Related Articles */
.related-articles {
  padding: 40px 0;
  max-width: 860px;
  margin: 0 auto;
  border-top: 1px solid var(--border-light);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

/* ============================================
   PAGINATION
   ============================================ */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 32px 0;
}

.page-btn {
  min-width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--duration);
}

.page-btn:hover { background: var(--surface-secondary); color: var(--text-primary); }
.page-btn.active { background: var(--text-primary); color: var(--surface); }

/* ============================================
   FOOTER — Minimal, clean
   ============================================ */
.footer {
  border-top: 1px solid var(--border);
  padding: 48px 0 28px;
  transition: border-color var(--duration);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand { display: flex; flex-direction: column; gap: 12px; }

.footer-brand .header-logo {
  font-size: 1.2rem;
}

.footer-description {
  font-size: 0.84rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.footer-social {
  display: flex;
  gap: 6px;
  margin-top: 4px;
}

.footer-social a {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  color: var(--text-muted);
  transition: all var(--duration);
}

.footer-social a:hover { color: var(--text-primary); text-decoration: none; }
.footer-social a svg { width: 16px; height: 16px; }

.footer-column h4 {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 14px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-links a {
  font-size: 0.84rem;
  color: var(--text-secondary);
}

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

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 24px;
  border-top: 1px solid var(--border-light);
  font-size: 0.78rem;
  color: var(--text-muted);
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom-links {
  display: flex;
  gap: 20px;
}

.footer-bottom-links a {
  color: var(--text-muted);
  font-size: 0.78rem;
}

.footer-bottom-links a:hover { color: var(--text-primary); text-decoration: none; }

/* ============================================
   STATIC PAGES (About, Contact, Privacy, Terms)
   ============================================ */
.static-page {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 32px 0 64px;
}

.static-page h1 {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.3px;
  margin-bottom: 10px;
  color: var(--text-primary);
}

.static-page .page-subtitle {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: 36px;
  line-height: 1.6;
}

.static-page h2 {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 700;
  margin: 32px 0 12px;
  color: var(--text-primary);
}

.static-page h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin: 20px 0 8px;
  color: var(--text-primary);
}

.static-page p {
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--text-secondary);
  margin-bottom: 14px;
}

.static-page p a {
  color: var(--text-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.static-page ul, .static-page ol {
  margin-bottom: 14px;
  padding-left: 24px;
}

.static-page ul { list-style: disc; }
.static-page ol { list-style: decimal; }

.static-page li {
  font-size: 0.93rem;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

/* Contact Form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-top: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--text-primary);
}

.form-input, .form-textarea {
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  color: var(--text-primary);
  background: var(--surface);
  transition: border-color var(--duration);
  outline: none;
}

.form-input:focus, .form-textarea:focus { border-color: var(--text-primary); }
.form-textarea { resize: vertical; min-height: 110px; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 22px;
  background: var(--text-primary);
  color: var(--surface);
  font-weight: 600;
  font-size: 0.88rem;
  border-radius: var(--radius-sm);
  transition: opacity var(--duration);
  width: fit-content;
}

.btn-primary:hover { opacity: 0.85; color: var(--surface); }

/* About Page */
.about-hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
  margin-bottom: 36px;
}

.about-image {
  border-radius: var(--radius-md);
  overflow: hidden;
}

.about-image img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin: 20px 0 32px;
}

.value-card {
  padding: 24px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  text-align: center;
  transition: border-color var(--duration);
}

.value-card:hover { border-color: var(--border); }

.value-icon {
  width: 44px;
  height: 44px;
  background: var(--surface-secondary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 12px;
}

.value-icon svg { width: 22px; height: 22px; color: var(--text-secondary); }

.value-card h3 {
  font-size: 0.92rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text-primary);
}

.value-card p {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* Category Page */
.category-header {
  text-align: center;
  padding: 32px 0 28px;
}

.category-header h1 {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.category-header p {
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.category-count-label {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 4px;
  font-weight: 500;
}

/* Category Navigation Pills */
.category-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--border-light);
}

.category-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 16px;
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--surface);
  border: 1px solid var(--border-light);
  text-decoration: none;
  transition: all 0.25s var(--ease);
}

.category-pill:hover {
  border-color: var(--text-primary);
  color: var(--text-primary);
  text-decoration: none;
}

.category-pill.active {
  background: var(--text-primary);
  color: var(--surface);
  border-color: var(--text-primary);
}

.category-pill span {
  font-size: 0.72rem;
  opacity: 0.6;
}

.category-pill.active span {
  opacity: 0.8;
}

/* ============================================
   MOBILE MENU
   ============================================ */
.mobile-menu-btn { display: none; }

.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  top: var(--header-height);
  background: var(--surface);
  z-index: 999;
  padding: 16px;
  flex-direction: column;
  gap: 2px;
}

.mobile-menu.active {
  display: flex;
}

.mobile-menu a {
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--duration);
}

.mobile-menu a:hover, .mobile-menu a.active {
  background: var(--surface-secondary);
  color: var(--text-primary);
  text-decoration: none;
}

/* ============================================
   TOAST
   ============================================ */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: var(--text-primary);
  color: var(--surface);
  padding: 10px 22px;
  border-radius: var(--radius-full);
  font-size: 0.84rem;
  font-weight: 500;
  z-index: 5000;
  opacity: 0;
  transition: all 250ms var(--ease);
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* Scroll to Top */
.scroll-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 38px;
  height: 38px;
  background: var(--text-primary);
  color: var(--surface);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: all var(--duration);
  z-index: 100;
}

.scroll-top.visible { opacity: 1; pointer-events: all; }
.scroll-top:hover { opacity: 0.8; }
.scroll-top svg { width: 18px; height: 18px; }

/* Empty State */
.empty-state {
  text-align: center;
  padding: 80px 24px;
  color: var(--text-muted);
}

.empty-state svg {
  margin: 0 auto 20px;
  color: var(--gray-300);
}

.empty-state h3 {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.empty-state p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  max-width: 360px;
  margin: 0 auto;
  line-height: 1.6;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .page-layout { grid-template-columns: 1fr; }

  .sidebar {
    position: static;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    padding-top: 28px;
    border-top: 1px solid var(--border-light);
  }

  .sidebar-widget { margin-bottom: 0; padding-bottom: 0; border-bottom: none; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .related-grid { grid-template-columns: repeat(2, 1fr); }
  .about-hero { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  :root { --header-height: 50px; }

  .container { padding: 0 18px; }
  .header-inner { padding: 0 18px; }
  .header-nav { display: none; }
  .mobile-menu-btn { display: flex; }

  .articles-grid { grid-template-columns: 1fr; }

  .hero { aspect-ratio: 16/10; }
  .hero-title { font-size: 1.35rem; }
  .hero-excerpt { display: none; }
  .hero-overlay { padding: 22px; }

  .sidebar { grid-template-columns: 1fr; }

  .article-header h1 { font-size: 1.55rem; }
  .article-header .article-excerpt { font-size: 0.95rem; }
  .article-content h2 { font-size: 1.25rem; }
  .article-content p, .article-content li { font-size: 0.95rem; }

  .related-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .form-row { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: 1fr; }
  .static-page h1 { font-size: 1.5rem; }
  .category-header h1 { font-size: 1.5rem; }
}

/* Print */
@media print {
  .header, .footer, .sidebar, .share-bar, .related-articles,
  .scroll-top, .reading-progress, .search-overlay, .mobile-menu { display: none !important; }
  body { background: white; color: black; }
  .main-content { margin-top: 0; }
}