/* ==========================================================================
   VERITAS FINANCIAL CHRONICLE — CORE STYLESHEET
   Concebido por un equipo de diseño UX/UI élite y optimizado para Core Web Vitals
   ========================================================================== */

/* --- CSS Variables & Design Tokens (Harmonious Curated Palettes) --- */
:root {
  /* Color Palette - Light Editorial Mode */
  --bg-primary: #FDFBF7;       /* Creamy editorial paper background */
  --bg-secondary: #F6F3EC;     /* Deeper warm paper */
  --bg-card: #FFFFFF;
  --bg-nav: #FFFFFF;
  --bg-ticker: #1C1E21;
  --text-ticker: #E3E6EB;
  
  --text-primary: #1C1E21;     /* Carbon charcoal */
  --text-secondary: #5C626A;   /* Soft slate gray */
  --text-muted: #8E96A0;
  
  --accent-forest: #0D5C3A;    /* Financial deep forest green */
  --accent-forest-hover: #073F26;
  --accent-gold: #C29B38;      /* Elegant metallic gold */
  --accent-gold-soft: #F9F5EA;
  
  --border-color: #E6E1D6;
  --border-light: #F2EEE5;
  
  --shadow-sm: 0 2px 4px rgba(28, 30, 33, 0.04);
  --shadow-md: 0 8px 16px rgba(28, 30, 33, 0.06);
  --shadow-lg: 0 16px 32px rgba(28, 30, 33, 0.08);
  
  /* Fonts */
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-serif: 'Playfair Display', Georgia, serif;
  
  /* Layout */
  --max-width: 1200px;
  --header-height: 72px;
  --transition-speed: 0.3s;
}

/* Color Palette - Dark Premium Mode */
html.dark-mode {
  --bg-primary: #0D0F12;       /* Deep obsidian black */
  --bg-secondary: #13171C;     /* Sleek dark charcoal */
  --bg-card: #181D24;          /* Card container color */
  --bg-nav: #0D0F12;
  --bg-ticker: #181D24;
  --text-ticker: #E3E6EB;
  
  --text-primary: #E3E6EB;     /* Soft bone white */
  --text-secondary: #9CA5B4;   /* Cool gray */
  --text-muted: #6A7484;
  
  --accent-forest: #1E9E68;    /* Lighter bright green for high contrast */
  --accent-forest-hover: #2EC384;
  --accent-gold: #D6B25A;
  --accent-gold-soft: #201D17;
  
  --border-color: #242B35;
  --border-light: #1D232B;
  
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.4);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.625;
  transition: background-color var(--transition-speed), color var(--transition-speed);
  overflow-x: hidden;
}

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

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

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

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

.font-serif {
  font-family: var(--font-serif);
}

/* --- Ad Containers System (Core Web Vitals Optimized to prevent CLS) --- */
.ad-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 10px;
  margin: 20px auto;
  text-align: center;
  position: relative;
  overflow: hidden;
  border-radius: 4px;
}

.ad-label {
  font-size: 0.65rem;
  color: var(--text-muted);
  letter-spacing: 0.15em;
  margin-bottom: 6px;
  font-weight: 600;
  text-transform: uppercase;
}

/* Precise sizing to avoid layout shifts (CLS) */
.ad-header {
  min-height: 90px;
  max-width: var(--max-width);
}

.ad-in-feed {
  min-height: 120px;
  max-width: var(--max-width);
  margin: 30px auto;
}

.ad-in-article-top {
  min-height: 90px;
  max-width: 100%;
  margin-bottom: 30px;
}

.ad-in-content-paragraph {
  min-height: 250px;
  max-width: 100%;
  margin: 35px 0;
  background-color: var(--bg-secondary);
}

.ad-article-bottom {
  min-height: 90px;
  max-width: 100%;
  margin-top: 40px;
}

/* --- Header & Premium Branding Navigation --- */
.site-header {
  background-color: var(--bg-nav);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  transition: background-color var(--transition-speed), border-bottom var(--transition-speed);
}

.header-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.header-logo-section .logo-link {
  display: flex;
  flex-direction: column;
}

.logo-text-top {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.35rem;
  letter-spacing: 0.05em;
  color: var(--text-primary);
  line-height: 1.1;
}

.logo-text-bottom {
  font-size: 0.65rem;
  letter-spacing: 0.28em;
  color: var(--accent-gold);
  font-weight: 700;
}

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

.nav-menu {
  display: flex;
  list-style: none;
  gap: 25px;
}

.nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 10px 0;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--accent-forest);
  transition: width var(--transition-speed);
}

.nav-link:hover, .nav-link.active {
  color: var(--text-primary);
}

.nav-link:hover::after {
  width: 100%;
}

.mobile-controls, .hamburger {
  display: none;
}

.control-btn {
  color: var(--text-primary);
  padding: 8px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color var(--transition-speed);
}

.control-btn:hover {
  background-color: var(--bg-secondary);
}

.control-btn svg {
  width: 20px;
  height: 20px;
}

/* Light / Dark Icon toggles */
.sun-icon { display: none; }
.moon-icon { display: block; }
html.dark-mode .sun-icon { display: block; }
html.dark-mode .moon-icon { display: none; }

.desktop-controls {
  display: flex;
  align-items: center;
  gap: 15px;
}

.subscribe-btn {
  background-color: var(--accent-forest);
  color: #FFFFFF !important;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 8px 18px;
  border-radius: 4px;
  transition: background-color var(--transition-speed);
}

.subscribe-btn:hover {
  background-color: var(--accent-forest-hover);
}

/* Sub-Header Date & Stock Market Ticker (Premium Asset Look) */
.sub-header-bar {
  background-color: var(--bg-ticker);
  color: var(--text-ticker);
  font-size: 0.75rem;
  border-bottom: 1px solid var(--border-color);
  padding: 8px 0;
  overflow: hidden;
}

.bar-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.bar-date {
  font-weight: 600;
  white-space: nowrap;
  margin-right: 25px;
}

.ticker-wrap {
  width: 100%;
  overflow: hidden;
}

.ticker {
  display: flex;
  gap: 30px;
  animation: ticker-slide 30s linear infinite;
  white-space: nowrap;
}

.ticker-item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.ticker-lbl {
  font-weight: 700;
  color: var(--text-muted);
}

.ticker-val {
  font-weight: 500;
}

.ticker-val.positive {
  color: #2EC384;
}

.ticker-val.negative {
  color: #FF5E5E;
}

@keyframes ticker-slide {
  0% { transform: translate3d(0, 0, 0); }
  100% { transform: translate3d(-50%, 0, 0); }
}

/* --- Premium Hero Section (Bloomberg/FT style hierarchy) --- */
.premium-hero {
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  padding: 50px 0;
  transition: background-color var(--transition-speed);
}

.hero-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

.hero-label-wrap {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.hero-badge {
  background-color: var(--accent-gold);
  color: #FFFFFF;
  font-size: 0.65rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 2px;
  letter-spacing: 0.1em;
}

.hero-trending {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 6px;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background-color: red;
  border-radius: 50%;
  display: inline-block;
  animation: pulse 1.5s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.9); opacity: 0.7; }
  50% { transform: scale(1.2); opacity: 1; }
  100% { transform: scale(0.9); opacity: 0.7; }
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 40px;
  align-items: center;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1.15;
  color: var(--text-primary);
  margin-bottom: 20px;
}

.hero-lead {
  font-size: 1.05rem;
  color: var(--text-secondary);
  margin-bottom: 30px;
}

.hero-stats {
  display: flex;
  gap: 40px;
  border-top: 1px solid var(--border-color);
  padding-top: 20px;
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-num {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--accent-forest);
}

.stat-lbl {
  font-size: 0.75rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  font-weight: 600;
  letter-spacing: 0.05em;
}

/* Featured article card in Hero */
.hero-featured-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 30px;
  border-radius: 8px;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

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

.f-card-tag {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--accent-gold);
  letter-spacing: 0.15em;
  margin-bottom: 12px;
  text-transform: uppercase;
}

.f-card-title {
  font-family: var(--font-serif);
  font-size: 1.45rem;
  font-weight: 600;
  line-height: 1.25;
  margin-bottom: 12px;
}

.f-card-text {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.f-card-btn {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-forest);
  border-bottom: 2px solid var(--accent-forest);
  padding-bottom: 2px;
}

.f-card-btn:hover {
  color: var(--accent-forest-hover);
  border-bottom-color: var(--accent-forest-hover);
}

/* --- Search & Client Filter Section (Persuasive UI) --- */
.search-filter-section {
  background-color: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
  padding: 35px 0;
  position: sticky;
  top: var(--header-height);
  z-index: 90;
  box-shadow: var(--shadow-sm);
  transition: background-color var(--transition-speed);
}

.filter-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.search-box-wrap {
  position: relative;
  width: 100%;
}

.search-icon {
  position: absolute;
  left: 15px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 1rem;
}

.search-box-wrap input {
  width: 100%;
  padding: 14px 20px 14px 45px;
  border-radius: 6px;
  border: 1px solid var(--border-color);
  background-color: var(--bg-card);
  color: var(--text-primary);
  font-size: 0.95rem;
  font-family: inherit;
  box-shadow: var(--shadow-sm);
  outline: none;
  transition: border-color var(--transition-speed), box-shadow var(--transition-speed);
}

.search-box-wrap input:focus {
  border-color: var(--accent-forest);
  box-shadow: 0 0 0 3px rgba(13, 92, 58, 0.08);
}

.search-clear {
  position: absolute;
  right: 15px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 1.1rem;
  display: none;
}

.search-clear:hover {
  color: var(--text-primary);
}

.categories-filter-wrap {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 5px;
  scrollbar-width: none; /* Hide default scrollbar Firefox */
  -ms-overflow-style: none;  /* Hide IE scrollbar */
}

.categories-filter-wrap::-webkit-scrollbar {
  display: none; /* Hide Chrome scrollbar */
}

.filter-tab {
  white-space: nowrap;
  font-size: 0.825rem;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: 20px;
  border: 1px solid var(--border-color);
  background-color: var(--bg-card);
  color: var(--text-secondary);
  transition: all var(--transition-speed);
}

.filter-tab:hover {
  border-color: var(--text-primary);
  color: var(--text-primary);
}

.filter-tab.active {
  background-color: var(--accent-forest);
  color: #FFFFFF;
  border-color: var(--accent-forest);
}

.search-meta {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* --- Cards Grid Section --- */
.cards-grid-section {
  padding: 50px 0;
}

.grid-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

.main-content-layout {
  display: grid;
  grid-template-columns: 2.8fr 1.2fr;
  gap: 40px;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 25px;
  align-items: start;
}

/* Custom Interactive Curiosities Card Design */
.curiosity-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  height: 380px; /* Uniform height */
  transition: transform var(--transition-speed), box-shadow var(--transition-speed), border-color var(--transition-speed);
}

.curiosity-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent-gold);
}

.card-header-meta {
  padding: 20px 20px 10px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.card-category {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 3px 8px;
  border-radius: 3px;
}

/* Distinct card badges colors */
.category-burbujas { background-color: #FFF2F2; color: #D32F2F; }
.category-teoria { background-color: #E8F5E9; color: #2E7D32; }
.category-crisis { background-color: #FFF3E0; color: #E65100; }
.category-historia { background-color: #E1F5FE; color: #0288D1; }
.category-fraudes { background-color: #ECEFF1; color: #37474F; }

html.dark-mode .category-burbujas { background-color: #3d1414; color: #FF8A80; }
html.dark-mode .category-teoria { background-color: #113317; color: #A5D6A7; }
html.dark-mode .category-crisis { background-color: #3b1c09; color: #FFB74D; }
html.dark-mode .category-historia { background-color: #0b253b; color: #81D4FA; }
html.dark-mode .category-fraudes { background-color: #21282c; color: #CFD8DC; }

.card-number {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-muted);
}

.card-body {
  padding: 0 20px 15px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.card-title {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.28;
  margin-bottom: 10px;
  color: var(--text-primary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 5;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex-grow: 1;
}

.card-footer {
  padding: 15px 20px 20px;
  border-top: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-btn {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-forest);
  display: flex;
  align-items: center;
  gap: 5px;
  transition: gap var(--transition-speed);
}

.card-btn svg {
  width: 14px;
  height: 14px;
  transition: transform var(--transition-speed);
}

.curiosity-card:hover .card-btn {
  color: var(--accent-forest-hover);
}

.curiosity-card:hover .card-btn svg {
  transform: translateX(4px);
}

.card-btn-arrow {
  font-weight: bold;
}

/* --- Sidebar Style (Desktop Editorial Premium) --- */
.sidebar-layout {
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.sidebar-widget {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 25px;
  border-radius: 6px;
  box-shadow: var(--shadow-sm);
}

.widget-title {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 700;
  border-bottom: 2px solid var(--accent-gold);
  padding-bottom: 8px;
  margin-bottom: 18px;
}

.trending-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.trending-list li {
  display: flex;
  gap: 15px;
  align-items: flex-start;
}

.trending-num {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--accent-gold);
  line-height: 1;
}

.trending-list a {
  font-size: 0.85rem;
  font-weight: 500;
  line-height: 1.35;
  color: var(--text-secondary);
}

.trending-list a:hover {
  color: var(--accent-forest);
}

.ad-sidebar-widget {
  padding: 15px;
  background-color: var(--bg-secondary);
}

.sidebar-ad-container {
  min-height: 250px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* --- Trust Indicators Banner --- */
.trust-banner {
  background-color: var(--accent-gold-soft);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  padding: 40px 0;
  text-align: center;
}

.trust-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 20px;
}

.trust-title {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.trust-text {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* --- Article Secondary Page Custom Styles --- */
.progress-container {
  width: 100%;
  height: 4px;
  background: var(--bg-secondary);
  position: fixed;
  top: var(--header-height);
  left: 0;
  z-index: 105;
}

.progress-bar {
  height: 4px;
  background: var(--accent-forest);
  width: 0%;
}

.article-main {
  padding: 40px 0 60px;
}

.premium-article {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

.article-container {
  max-width: 900px;
  margin: 0 auto;
}

.article-header {
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 25px;
  margin-bottom: 25px;
}

.article-meta-top {
  display: flex;
  align-items: center;
  gap: 15px;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 18px;
  flex-wrap: wrap;
}

.article-category-badge {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 4px 10px;
  border-radius: 4px;
}

.article-title {
  font-family: var(--font-serif);
  font-size: 2.85rem;
  font-weight: 700;
  line-height: 1.15;
  color: var(--text-primary);
  margin-bottom: 18px;
}

.article-summary-box {
  font-size: 1.15rem;
  line-height: 1.5;
  color: var(--text-secondary);
  font-style: italic;
  margin-bottom: 25px;
  padding-left: 15px;
  border-left: 3px solid var(--accent-gold);
}

.editorial-box {
  display: flex;
  align-items: center;
  gap: 12px;
}

.editorial-avatar {
  width: 38px;
  height: 38px;
  background-color: var(--accent-gold);
  color: #FFFFFF;
  font-weight: 700;
  font-size: 0.85rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.editorial-author {
  font-size: 0.85rem;
  font-weight: 600;
  display: block;
}

.editorial-role {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Article Body Grid Structure */
.article-body-layout {
  display: grid;
  grid-template-columns: 2.7fr 1.3fr;
  gap: 40px;
}

.content-block {
  margin-bottom: 30px;
}

.content-block h2 {
  font-family: var(--font-serif);
  font-size: 1.45rem;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.content-block p {
  font-size: 0.95rem;
  color: var(--text-primary);
  line-height: 1.7;
  margin-bottom: 15px;
  text-align: justify;
}

/* High Conversion Persuasive Highlight Box */
.lesson-highlight-box {
  background-color: var(--accent-gold-soft);
  border: 1px solid var(--border-color);
  border-left: 4px solid var(--accent-gold);
  padding: 25px;
  border-radius: 4px;
  margin: 35px 0;
}

.lesson-box-title {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 10px;
}

.lesson-icon {
  font-size: 1.25rem;
}

.lesson-box-text {
  font-size: 0.925rem;
  line-height: 1.625;
  color: var(--text-secondary);
}

.article-footer-navigation {
  border-top: 1px solid var(--border-color);
  padding-top: 30px;
  margin-top: 40px;
}

.share-article {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 30px;
  flex-wrap: wrap;
  gap: 15px;
}

.share-lbl {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.share-buttons {
  display: flex;
  gap: 10px;
}

.share-btn {
  font-size: 0.8rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 4px;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  transition: all var(--transition-speed);
}

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

.share-btn.twitter:hover {
  background-color: #000000;
  color: #FFFFFF;
}

.share-btn.linkedin:hover {
  background-color: #0077B5;
  color: #FFFFFF;
}

/* Interlinking next/prev buttons */
.interlinking-nav {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 35px;
}

.interlinking-btn {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 12px;
  border: 1px solid var(--border-color);
  padding: 15px;
  border-radius: 6px;
  background-color: var(--bg-card);
  transition: transform var(--transition-speed), box-shadow var(--transition-speed), border-color var(--transition-speed);
}

.interlinking-btn:hover:not(.disabled) {
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
  border-color: var(--accent-gold);
}

.interlinking-btn.disabled {
  opacity: 0.4;
  pointer-events: none;
}

.nav-arrow {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--accent-gold);
}

.nav-text-wrap {
  display: flex;
  flex-direction: column;
}

.nav-lbl {
  font-size: 0.65rem;
  text-transform: uppercase;
  color: var(--text-muted);
  font-weight: 700;
  letter-spacing: 0.05em;
}

.nav-item-title {
  font-size: 0.825rem;
  font-weight: 600;
  line-height: 1.35;
  color: var(--text-primary);
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.back-home-wrap {
  text-align: center;
}

.back-home-link {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-forest);
  border-bottom: 2px solid var(--accent-forest);
  padding-bottom: 2px;
}

.back-home-link:hover {
  color: var(--accent-forest-hover);
  border-bottom-color: var(--accent-forest-hover);
}

/* Article Sidebar widgets details */
.article-sidebar-layout {
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.newsletter-sidebar-widget {
  background-color: var(--accent-gold-soft);
  border-color: var(--accent-gold);
}

.newsletter-sidebar-widget p {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: 15px;
}

.newsletter-sidebar-widget form {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.newsletter-sidebar-widget input {
  padding: 10px 12px;
  border-radius: 4px;
  border: 1px solid var(--border-color);
  background-color: var(--bg-card);
  color: var(--text-primary);
  font-size: 0.85rem;
}

.newsletter-sidebar-widget button {
  background-color: var(--accent-forest);
  color: #FFFFFF;
  padding: 10px;
  border-radius: 4px;
  font-weight: 600;
  font-size: 0.85rem;
  transition: background-color var(--transition-speed);
}

.newsletter-sidebar-widget button:hover {
  background-color: var(--accent-forest-hover);
}

.related-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.related-item {
  border-bottom: 1px solid var(--border-light);
  padding-bottom: 12px;
}

.related-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.related-cat {
  font-size: 0.6rem;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--accent-gold);
  letter-spacing: 0.05em;
  display: block;
  margin-bottom: 4px;
}

.related-link {
  font-size: 0.85rem;
  font-weight: 600;
  line-height: 1.35;
  color: var(--text-primary);
}

.related-link:hover {
  color: var(--accent-forest);
}

/* --- Footer Area & Monetization Policy --- */
.site-footer {
  background-color: #1C1E21;
  color: #E3E6EB;
  border-top: 4px solid var(--accent-forest);
}

.footer-newsletter {
  border-bottom: 1px solid #2C3036;
  padding: 40px 0;
}

.footer-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

.newsletter-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 30px;
  align-items: center;
}

.newsletter-title {
  font-family: var(--font-serif);
  font-size: 1.45rem;
  margin-bottom: 8px;
}

.newsletter-desc {
  font-size: 0.85rem;
  color: #9CA5B4;
}

.newsletter-form {
  display: flex;
  gap: 10px;
}

.newsletter-input {
  flex-grow: 1;
  padding: 12px 16px;
  border-radius: 4px;
  border: 1px solid #3F444E;
  background-color: #2C3036;
  color: #FFFFFF;
  font-size: 0.9rem;
}

.newsletter-input:focus {
  outline: none;
  border-color: var(--accent-forest);
}

.newsletter-submit {
  background-color: var(--accent-forest);
  color: #FFFFFF;
  padding: 0 22px;
  border-radius: 4px;
  font-weight: 600;
  font-size: 0.9rem;
  transition: background-color var(--transition-speed);
}

.newsletter-submit:hover {
  background-color: var(--accent-forest-hover);
}

.footer-main {
  padding: 50px 0 30px;
}

.footer-links-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.2fr;
  gap: 50px;
  margin-bottom: 40px;
}

.brand-tagline {
  font-size: 0.9rem;
  color: #9CA5B4;
  margin: 15px 0 10px;
}

.brand-disclaimer {
  font-size: 0.725rem;
  color: #6A7484;
  line-height: 1.5;
}

.footer-column h4 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #FFFFFF;
  margin-bottom: 18px;
}

.footer-column ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-column a {
  font-size: 0.8rem;
  color: #9CA5B4;
}

.footer-column a:hover {
  color: #FFFFFF;
}

.footer-bottom {
  border-top: 1px solid #2C3036;
  padding-top: 25px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 15px;
}

.copyright {
  font-size: 0.75rem;
  color: #6A7484;
}

.tech-stack-info {
  font-size: 0.75rem;
  color: #9CA5B4;
  font-weight: 500;
}

/* --- MOBILE STICKY BOTTOM AD (NON-INVASIVE) --- */
.mobile-sticky-ad {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 75px; /* compact */
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  box-shadow: 0 -4px 10px rgba(0, 0, 0, 0.1);
  z-index: 1000;
  display: none; /* Controlled via JS client (Mobile only) */
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding-top: 14px;
}

.close-ad-btn {
  position: absolute;
  top: 4px;
  right: 8px;
  background-color: var(--text-muted);
  color: var(--bg-card);
  font-size: 0.65rem;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1010;
  font-weight: bold;
  opacity: 0.8;
  transition: opacity var(--transition-speed);
}

.close-ad-btn:hover {
  opacity: 1;
}

.sticky-ad-content {
  width: 100%;
  display: flex;
  justify-content: center;
}

/* --- RESPONSIVE ADAPTATIONS (MOBILE-FIRST MATTERS CRITICALLY) --- */

@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  
  .hero-title {
    font-size: 2.1rem;
  }
  
  .main-content-layout {
    grid-template-columns: 1fr;
  }
  
  .sidebar-layout {
    margin-top: 20px;
  }

  .article-body-layout {
    grid-template-columns: 1fr;
  }
  
  .article-sidebar-layout {
    margin-top: 30px;
  }
  
  .footer-links-grid {
    grid-template-columns: 1fr 1fr;
    gap: 30px;
  }
  
  .footer-brand {
    grid-column: span 2;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 60px;
  }
  
  body {
    padding-bottom: 75px; /* Prevent sticky bottom ad overlapping footer content */
  }

  .site-header {
    position: sticky;
  }

  .site-navigation {
    position: fixed;
    top: var(--header-height);
    left: -100%;
    width: 80%;
    height: calc(100vh - var(--header-height));
    background-color: var(--bg-card);
    border-right: 1px solid var(--border-color);
    transition: left var(--transition-speed) ease-in-out;
    padding: 30px 20px;
    box-shadow: var(--shadow-lg);
  }

  .site-navigation.active {
    left: 0;
  }

  .nav-menu {
    flex-direction: column;
    gap: 20px;
  }

  .nav-link {
    font-size: 1.05rem;
    display: block;
  }

  .mobile-controls {
    display: flex;
    align-items: center;
    gap: 10px;
  }

  .desktop-controls {
    display: none;
  }

  /* Elegant Hamburger Menu */
  .hamburger {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    width: 20px;
    height: 14px;
    background: transparent;
  }

  .hamburger span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--text-primary);
    transition: all 0.25s ease-in-out;
  }

  .hamburger.active span:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
  }

  .hamburger.active span:nth-child(2) {
    opacity: 0;
  }

  .hamburger.active span:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
  }

  .sub-header-bar {
    padding: 6px 0;
  }
  
  .bar-date {
    font-size: 0.7rem;
  }

  .premium-hero {
    padding: 30px 0;
  }

  .hero-title {
    font-size: 1.75rem;
  }

  .hero-lead {
    font-size: 0.95rem;
  }

  .hero-stats {
    gap: 20px;
  }

  .stat-num {
    font-size: 1.45rem;
  }

  .newsletter-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .footer-links-grid {
    grid-template-columns: 1fr;
    gap: 25px;
  }
  
  .footer-brand {
    grid-column: span 1;
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
    gap: 10px;
  }
  
  /* Article adjustments on mobile */
  .article-title {
    font-size: 1.95rem;
  }
  
  .article-summary-box {
    font-size: 0.975rem;
  }

  .content-block h2 {
    font-size: 1.25rem;
  }

  .content-block p {
    font-size: 0.9rem;
    text-align: left; /* Better mobile readability */
  }

  .interlinking-nav {
    flex-direction: column;
    gap: 15px;
  }
  
  .interlinking-btn {
    width: 100%;
  }

  .ad-header {
    min-height: 50px;
  }
  
  .ad-in-feed {
    min-height: 100px;
  }
  
  .ad-in-content-paragraph {
    min-height: 250px;
  }
}