/* ========================================
   BLOG.CSS — Single source of truth for all blog posts
   Extracted from inline <style> blocks (session 84)
   ======================================== */

/* ========================================
   DESIGN SYSTEM
   ======================================== */
:root {
  --navy-deep: #011040;
  --navy-dark: #011d5e;
  --navy: #022a8e;
  --blue: #0884ed;
  --blue-bright: #0090ff;
  --blue-glow: rgba(8, 132, 237, 0.35);
  --white: #ffffff;
  --off-white: #f7f8fb;
  --gray-bg: #f0f2f7;
  --text-primary: #0d1117;
  --text-body: #3b4252;
  --text-muted: #6b7280;
  --border-light: #e2e8f0;
  --font-display: 'DM Serif Display', serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --shadow-card: 0 1px 3px rgba(0,0,0,0.04), 0 6px 24px rgba(0,0,0,0.06);
  --shadow-card-hover: 0 8px 40px rgba(8, 132, 237, 0.12), 0 2px 8px rgba(0,0,0,0.06);
  --shadow-glow: 0 0 40px rgba(8, 132, 237, 0.25);
  --transition-smooth: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition-spring: 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}

.skip-link { position: absolute; top: -40px; left: 0; background: var(--navy); color: var(--white); padding: 8px 16px; z-index: 10000; font-family: var(--font-body); font-size: 14px; transition: top 0.2s; }
.skip-link:focus { top: 0; }

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: hidden; }
body { font-family: var(--font-body); color: var(--text-primary); background: var(--white); line-height: 1.65; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; overflow-x: hidden; font-size: 16px; }
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ========================================
   REVEAL ANIMATIONS
   ======================================== */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1); }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* ========================================
   NAV
   ======================================== */
.nav { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; padding: 16px 0; transition: background 0.3s, padding 0.3s, box-shadow 0.3s; }
.nav.scrolled { background: rgba(1,16,64,0.95); backdrop-filter: blur(12px); padding: 10px 0; box-shadow: 0 4px 20px rgba(0,0,0,0.25); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; }
.nav-logo img { height: 42px; }
.nav-links { display: flex; list-style: none; gap: 8px; align-items: center; }
.nav-links a { color: rgba(255,255,255,0.85); text-decoration: none; font-size: 0.92rem; font-weight: 500; padding: 8px 14px; border-radius: 8px; transition: color 0.2s, background 0.2s; }
.nav-links a:hover { color: var(--white); background: rgba(255,255,255,0.08); }
.nav-cta-btn { padding: 10px 24px; background: var(--blue); color: var(--white); font-family: var(--font-body); font-size: 0.92rem; font-weight: 700; border: none; border-radius: 8px; cursor: pointer; transition: background 0.25s, box-shadow 0.25s; text-decoration: none; display: inline-block; }
.nav-cta-btn:hover { background: var(--blue-bright); box-shadow: 0 4px 16px var(--blue-glow); }
.nav-mobile { display: none; background: none; border: none; color: var(--white); font-size: 1.75rem; cursor: pointer; }

.dropdown { position: relative; }
.dropdown .arrow { font-size: 0.65em; margin-left: 2px; }
.dropdown-menu { position: absolute; top: 100%; left: 0; background: var(--white); border-radius: var(--radius-sm); box-shadow: 0 12px 40px rgba(0,0,0,0.15); min-width: 220px; padding: 8px; opacity: 0; visibility: hidden; transform: translateY(8px); transition: all 0.2s; }
.dropdown:hover .dropdown-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.dropdown-menu a { display: block; color: var(--text-primary) !important; padding: 10px 16px !important; border-radius: 6px; font-size: 0.9rem !important; }
.dropdown-menu a:hover { background: var(--off-white) !important; color: var(--blue) !important; }

.mobile-nav-overlay { display: none; position: fixed; inset: 0; background: rgba(1,16,64,0.97); z-index: 1001; flex-direction: column; align-items: center; padding-top: 80px; overflow-y: auto; gap: 0; }
.mobile-nav-overlay.active { display: flex; }
.mobile-nav-overlay > a, .mobile-nav-overlay > button.btn-primary { color: var(--white); text-decoration: none; font-size: 1.15rem; font-weight: 600; padding: 14px 0; width: 260px; text-align: center; justify-content: center; }
.mobile-nav-close { position: absolute; top: 20px; right: 24px; background: none; border: none; color: var(--white); font-size: 2rem; cursor: pointer; }
.mobile-dropdown { width: 260px; text-align: center; }
.mobile-dropdown-toggle { background: none; border: none; color: var(--white); font-size: 1.15rem; font-weight: 600; padding: 14px 0; width: 100%; cursor: pointer; font-family: var(--font-body); }
.mobile-dropdown-toggle .mobile-arrow { display: inline-block; font-size: 0.7rem; margin-left: 6px; transition: transform 0.25s ease; }
.mobile-dropdown.open .mobile-arrow { transform: rotate(180deg); }
.mobile-dropdown-links { display: none; flex-direction: column; gap: 0; padding-bottom: 8px; }
.mobile-dropdown.open .mobile-dropdown-links { display: flex; }
.mobile-dropdown-links a { color: rgba(255,255,255,0.7); text-decoration: none; font-size: 0.95rem; font-weight: 500; padding: 10px 0; }
.mobile-dropdown-links a:hover { color: var(--white); }

@media (max-width: 900px) {
  .nav-links, .nav-cta-btn { display: none; }
  .nav-mobile { display: block; }
}

/* ========================================
   BUTTONS
   ======================================== */
.btn-primary { display: inline-flex; align-items: center; gap: 10px; background: var(--blue); color: var(--white); font-family: var(--font-body); font-size: 15px; font-weight: 700; padding: 16px 36px; border-radius: var(--radius-sm); border: none; cursor: pointer; transition: all var(--transition-smooth); box-shadow: 0 2px 12px var(--blue-glow); position: relative; overflow: hidden; letter-spacing: 0.03em; text-decoration: none; }
.btn-primary::before { content: ''; position: absolute; top: 0; left: -100%; width: 100%; height: 100%; background: linear-gradient(90deg, transparent, rgba(255,255,255,0.12), transparent); transition: left 0.5s ease; }
.btn-primary:hover::before { left: 100%; }
.btn-primary:hover { background: #0672d0; transform: translateY(-1px); box-shadow: 0 6px 24px var(--blue-glow); }

/* ========================================
   BLOG HERO
   ======================================== */
.blog-hero {
  background: linear-gradient(135deg, var(--navy-deep) 0%, var(--navy-dark) 50%, var(--navy) 100%);
  padding: 140px 0 80px;
  position: relative;
  overflow: hidden;
}
.blog-hero::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 1;
}
.blog-hero .container { position: relative; z-index: 2; }
.blog-hero-inner { max-width: 800px; }
.blog-meta { display: flex; align-items: center; gap: 16px; margin-bottom: 24px; flex-wrap: wrap; }
.blog-tag { background: rgba(8,132,237,0.2); color: var(--blue-bright); font-size: 12px; font-weight: 700; padding: 5px 14px; border-radius: 20px; letter-spacing: 0.5px; text-transform: uppercase; }
.blog-date { color: rgba(255,255,255,0.5); font-size: 14px; font-weight: 500; }
.blog-hero h1 { font-family: var(--font-display); font-size: 38px; font-weight: 400; color: var(--white); line-height: 1.18; margin-bottom: 20px; letter-spacing: -0.02em; }
.blog-hero .lead { font-size: 18px; color: rgba(255,255,255,0.7); line-height: 1.7; max-width: 680px; }
@media (min-width: 768px) {
  .blog-hero h1 { font-size: 48px; }
}

/* ========================================
   ARTICLE LAYOUT (with sidebar)
   ======================================== */
.article-section { padding: 72px 0; }
.article-layout { display: grid; grid-template-columns: 1fr 280px; gap: 64px; max-width: 1120px; margin: 0 auto; padding: 0 24px; }

/* Sidebar */
.article-sidebar { position: relative; }
.sidebar-sticky { position: sticky; top: 100px; }

/* Table of Contents - Sidebar */
.toc-sidebar { background: var(--off-white); border-radius: var(--radius-md); padding: 24px 28px; margin-bottom: 24px; }
.toc-sidebar h3 { font-family: var(--font-body); font-size: 14px; font-weight: 700; color: var(--text-primary); margin: 0 0 14px; text-transform: uppercase; letter-spacing: 0.5px; }
.toc-sidebar ol { margin: 0; padding-left: 18px; }
.toc-sidebar li { margin-bottom: 6px; font-size: 14px; line-height: 1.5; }
.toc-sidebar a { color: var(--text-muted); font-weight: 500; transition: color 0.2s; }
.toc-sidebar a:hover { color: var(--blue); }
.toc-sidebar a.active { color: var(--blue); font-weight: 600; }

/* Sidebar CTA Card */
.sidebar-cta { background: linear-gradient(135deg, var(--navy-deep) 0%, var(--navy) 100%); border-radius: var(--radius-md); padding: 28px 24px; text-align: center; margin-bottom: 24px; }
.sidebar-cta h4 { font-family: var(--font-display); color: var(--white); font-size: 20px; font-weight: 400; margin-bottom: 10px; }
.sidebar-cta p { color: rgba(255,255,255,0.65); font-size: 14px; margin-bottom: 20px; line-height: 1.6; }
.sidebar-cta .btn-primary { font-size: 14px; padding: 12px 24px; width: 100%; justify-content: center; background: var(--white); color: var(--navy-deep); box-shadow: 0 2px 12px rgba(0,0,0,0.2); }
.sidebar-cta .btn-primary:hover { background: #f0f0f0; color: var(--navy-deep); box-shadow: 0 6px 24px rgba(0,0,0,0.3); }
.sidebar-cta .btn-primary svg path { stroke: var(--navy-deep); }

/* Sidebar Related Posts */
.sidebar-related { background: var(--off-white); border-radius: var(--radius-md); padding: 24px 28px; }
.sidebar-related h4 { font-family: var(--font-body); font-size: 14px; font-weight: 700; color: var(--text-primary); margin: 0 0 14px; text-transform: uppercase; letter-spacing: 0.5px; }
.sidebar-related a { display: block; color: var(--text-body); font-size: 14px; font-weight: 500; padding: 8px 0; border-bottom: 1px solid var(--border-light); transition: color 0.2s; line-height: 1.5; }
.sidebar-related a:last-child { border-bottom: none; }
.sidebar-related a:hover { color: var(--blue); }

/* Mobile TOC accordion */
.toc-mobile { display: none; background: var(--off-white); border-radius: var(--radius-md); margin: 0 0 32px; }
.toc-mobile-toggle { width: 100%; background: none; border: none; font-family: var(--font-body); font-size: 15px; font-weight: 700; color: var(--text-primary); padding: 18px 24px; cursor: pointer; display: flex; align-items: center; justify-content: space-between; }
.toc-mobile-toggle .toc-arrow { font-size: 0.7rem; transition: transform 0.25s; }
.toc-mobile.open .toc-arrow { transform: rotate(180deg); }
.toc-mobile-content { display: none; padding: 0 24px 18px; }
.toc-mobile.open .toc-mobile-content { display: block; }
.toc-mobile-content ol { margin: 0; padding-left: 18px; }
.toc-mobile-content li { margin-bottom: 6px; font-size: 14px; }
.toc-mobile-content a { color: var(--text-muted); font-weight: 500; }
.toc-mobile-content a:hover { color: var(--blue); }

@media (max-width: 900px) {
  .article-layout { grid-template-columns: 1fr; gap: 0; }
  .article-body { min-width: 0; }
  .article-sidebar { display: none; }
  .toc-mobile { display: block; }
}

article { overflow-wrap: break-word; word-wrap: break-word; }
article * { max-width: 100%; }

/* ========================================
   ARTICLE BODY
   ======================================== */
.article-body h2 {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 400;
  color: var(--text-primary);
  margin: 56px 0 20px;
  line-height: 1.2;
  letter-spacing: -0.01em;
}
.article-body h2:first-child { margin-top: 0; }

.article-body h3 {
  font-family: var(--font-body);
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
  margin: 40px 0 12px;
  line-height: 1.35;
}

.article-body p {
  font-size: 17px;
  color: var(--text-body);
  line-height: 1.8;
  margin-bottom: 20px;
}

.article-body ul, .article-body ol {
  margin: 0 0 24px 24px;
  color: var(--text-body);
  font-size: 17px;
  line-height: 1.8;
}
.article-body li { margin-bottom: 8px; }
.article-body strong { color: var(--text-primary); }
.article-body a { color: var(--blue); font-weight: 500; transition: color 0.2s; }
.article-body a:hover { color: var(--navy); text-decoration: underline; }

/* Breadcrumbs */
.breadcrumbs { margin-bottom: 40px; }
.breadcrumbs a, .breadcrumbs span { font-size: 14px; color: var(--text-muted); }
.breadcrumbs a { transition: color 0.2s; }
.breadcrumbs a:hover { color: var(--blue); }
.breadcrumbs .sep { margin: 0 8px; }

/* ========================================
   CONTENT COMPONENT: Callout Box
   ======================================== */
.callout {
  background: var(--off-white);
  border-left: 4px solid var(--blue);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 24px 28px;
  margin: 32px 0;
}
.callout p { margin-bottom: 0; font-size: 16px; }
.callout p + p { margin-top: 12px; }

/* ========================================
   CONTENT COMPONENT: Comparison Table
   ======================================== */
.table-wrapper { overflow-x: auto; margin: 28px 0 32px; }
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  margin: 0;
  font-size: 15px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  min-width: 640px;
}
.comparison-table thead { background: var(--navy-deep); }
.comparison-table th {
  color: var(--white);
  font-weight: 700;
  text-align: left;
  padding: 14px 18px;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.comparison-table td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-light);
  color: var(--text-body);
  vertical-align: top;
}
.comparison-table tbody tr:nth-child(even) { background: var(--off-white); }
.comparison-table tbody tr:last-child td { border-bottom: none; }

@media (max-width: 600px) {
  .comparison-table { font-size: 13px; }
  .comparison-table th, .comparison-table td { padding: 10px 12px; }
}

.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; margin: 0; padding: 0; max-width: 100%; }
.table-scroll .comparison-table { margin: 0; min-width: 640px; }

/* ========================================
   CONTENT COMPONENT: FAQ Accordion
   ======================================== */
.faq-accordion { margin: 32px 0; }
.faq-item {
  border-bottom: 1px solid var(--border-light);
}
.faq-item:first-child { border-top: 1px solid var(--border-light); }
.faq-item summary {
  font-family: var(--font-body);
  font-size: 17px;
  font-weight: 600;
  color: var(--text-primary);
  padding: 20px 40px 20px 0;
  cursor: pointer;
  list-style: none;
  position: relative;
  line-height: 1.4;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+';
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-size: 22px;
  font-weight: 300;
  color: var(--blue);
  transition: transform 0.25s;
}
.faq-item[open] summary::after {
  content: '\2212';
}
.faq-item .faq-answer {
  padding: 0 0 20px;
  font-size: 16px;
  color: var(--text-body);
  line-height: 1.75;
}
.faq-item .faq-answer p { margin-bottom: 12px; font-size: 16px; }
.faq-item .faq-answer p:last-child { margin-bottom: 0; }

/* ========================================
   CONTENT COMPONENT: Key Takeaway Box
   ======================================== */
.key-takeaway {
  background: linear-gradient(135deg, #e8f4fd 0%, #dbeafe 100%);
  border-radius: var(--radius-md);
  padding: 28px 32px;
  margin: 32px 0;
}
.key-takeaway h4 {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 700;
  color: var(--blue);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 12px;
}
.key-takeaway p { margin-bottom: 8px; font-size: 16px; color: var(--text-body); line-height: 1.7; }
.key-takeaway p:last-child { margin-bottom: 0; }
.key-takeaway ul { margin: 8px 0 0 20px; font-size: 16px; color: var(--text-body); line-height: 1.7; }
.key-takeaway li { margin-bottom: 4px; }

/* ========================================
   CONTENT COMPONENT: Stat Highlight
   ======================================== */
.stat-highlight {
  text-align: center;
  padding: 32px 24px;
  margin: 32px 0;
}
.stat-number {
  font-family: var(--font-display);
  font-size: 56px;
  color: var(--blue);
  line-height: 1;
  margin-bottom: 8px;
}
.stat-label {
  font-size: 16px;
  color: var(--text-muted);
  font-weight: 500;
}

/* ========================================
   CONTENT COMPONENT: Pro Tip Box
   ======================================== */
.pro-tip {
  background: #f0f7ff;
  border-radius: var(--radius-md);
  padding: 24px 28px;
  margin: 32px 0;
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.pro-tip-icon {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  background: var(--blue);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 16px;
  font-weight: 800;
}
.pro-tip-content p { margin-bottom: 0; font-size: 16px; color: var(--text-body); line-height: 1.7; }
.pro-tip-content strong { color: var(--text-primary); }

/* ========================================
   BLOG CTA BANNER
   ======================================== */
.blog-cta {
  background: linear-gradient(135deg, var(--navy-deep) 0%, var(--navy) 100%);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  text-align: center;
  margin: 56px 0 0;
  position: relative;
  overflow: hidden;
}
.blog-cta::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
  pointer-events: none;
}
.blog-cta > * { position: relative; z-index: 1; }
.blog-cta h2 { font-family: var(--font-display); color: var(--white); font-size: 30px; margin: 0 0 12px; font-weight: 400; }
.blog-cta p { color: rgba(255,255,255,0.7); font-size: 17px; margin-bottom: 28px; }
.blog-cta .btn-primary { background: var(--white); color: var(--navy-deep); box-shadow: 0 2px 12px rgba(0,0,0,0.2); }
.blog-cta .btn-primary:hover { background: #f0f0f0; color: var(--navy-deep); box-shadow: 0 6px 24px rgba(0,0,0,0.3); }
.blog-cta .btn-primary svg path { stroke: var(--navy-deep); }

@media (max-width: 768px) {
  .blog-cta { padding: 36px 24px; }
  .blog-cta h2 { font-size: 26px; }
}

/* ========================================
   RELATED POSTS (bottom grid)
   ======================================== */
.related-posts { padding: 80px 0; background: var(--off-white); }
.related-posts h2 {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 400;
  color: var(--text-primary);
  text-align: center;
  margin-bottom: 48px;
}
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; max-width: 1120px; margin: 0 auto; padding: 0 24px; }
.related-card {
  background: var(--white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform var(--transition-smooth), box-shadow var(--transition-smooth);
}
.related-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card-hover); }
.related-card-body { padding: 24px; }
.related-card-tag {
  display: inline-block;
  background: rgba(8,132,237,0.1);
  color: var(--blue);
  font-size: 11px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 12px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.related-card-title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 400;
  color: var(--text-primary);
  line-height: 1.3;
  margin-bottom: 10px;
}
.related-card-title a { color: inherit; transition: color 0.2s; }
.related-card-title a:hover { color: var(--blue); }
.related-card-excerpt {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 14px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.related-card-date { font-size: 13px; color: var(--text-muted); font-weight: 500; }

@media (max-width: 900px) {
  .related-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .related-grid { grid-template-columns: 1fr; }
  .related-posts h2 { font-size: 30px; }
}

/* ========================================
   RESPONSIVE: 768px — Tablets & small screens
   ======================================== */
@media (max-width: 768px) {
  .stat-number { font-size: 36px; }
  .callout-box, .callout, .pro-tip, .key-takeaway { padding: 20px; margin-left: 0; margin-right: 0; }

  .blog-hero { padding: 120px 0 56px; }
  .blog-hero h1 { font-size: 32px; }
  .blog-hero .lead { font-size: 16px; }

  .article-section { padding: 48px 0; }
  .article-body h2 { font-size: 26px; margin: 40px 0 16px; }
  .article-body h3 { font-size: 18px; margin: 32px 0 10px; }
  .article-body p { font-size: 16px; }
  .article-body ul, .article-body ol { font-size: 16px; margin-left: 20px; }

  .related-posts { padding: 56px 0; }
  .related-posts h2 { margin-bottom: 32px; }
}

/* ========================================
   RESPONSIVE: 480px — Small phones
   ======================================== */
@media (max-width: 480px) {
  .container { padding: 0 16px; }

  .blog-hero { padding: 110px 0 40px; }
  .blog-hero h1 { font-size: 26px; line-height: 1.22; }
  .blog-hero .lead { font-size: 15px; line-height: 1.65; }
  .blog-meta { gap: 8px; margin-bottom: 16px; }
  .blog-tag { font-size: 11px; padding: 4px 10px; }
  .blog-date { font-size: 13px; }

  .article-section { padding: 32px 0; }
  .article-layout { padding: 0 16px; }
  .article-body h2 { font-size: 23px; margin: 32px 0 14px; }
  .article-body h3 { font-size: 17px; margin: 24px 0 8px; }
  .article-body p { font-size: 15px; line-height: 1.75; margin-bottom: 16px; }
  .article-body ul, .article-body ol { font-size: 15px; margin-left: 16px; margin-bottom: 20px; }
  .article-body li { margin-bottom: 6px; }

  .callout, .pro-tip, .key-takeaway { padding: 16px; margin: 24px 0; }
  .callout p, .key-takeaway p, .pro-tip-content p { font-size: 14px; }
  .key-takeaway ul { font-size: 14px; }
  .faq-item summary { font-size: 15px; padding: 16px 32px 16px 0; }
  .faq-item .faq-answer { font-size: 14px; }
  .faq-item .faq-answer p { font-size: 14px; }

  .stat-highlight { padding: 24px 16px; margin: 24px 0; }
  .stat-number { font-size: 32px; }
  .stat-label { font-size: 14px; }

  .blog-cta { padding: 28px 16px; border-radius: var(--radius-md); }
  .blog-cta h2 { font-size: 22px; }
  .blog-cta p { font-size: 15px; margin-bottom: 20px; }
  .blog-cta .btn-primary { font-size: 14px; padding: 14px 24px; }

  .comparison-table { min-width: 520px; }

  .related-posts { padding: 40px 0; }
  .related-card-body { padding: 18px; }
  .related-card-title { font-size: 18px; }

  .breadcrumbs { margin-bottom: 24px; }
  .breadcrumbs a, .breadcrumbs span { font-size: 13px; }

  .pro-tip { flex-direction: column; gap: 12px; }
}

/* ========================================
   FOOTER
   ======================================== */
.footer { background: var(--navy-deep); padding: 64px 0 32px; }
.footer-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 40px; margin-bottom: 48px; }
.footer-col h4 { color: var(--white); font-family: var(--font-body); font-weight: 700; font-size: 0.92rem; margin-bottom: 16px; }
.footer-col a { display: block; color: rgba(255,255,255,0.55); text-decoration: none; font-size: 0.88rem; margin-bottom: 10px; transition: color 0.2s; }
.footer-col a:hover { color: var(--white); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding-top: 32px; text-align: center; }
.footer-logo { text-align: center; margin-bottom: 12px; }
.footer-logo img { height: 52px; margin-left: auto; margin-right: auto; }
.footer-quote { font-size: 14px; color: rgba(255,255,255,0.6); text-align: center; max-width: 700px; margin: 0 auto 20px; font-style: italic; line-height: 1.65; }
.footer-disclaimer { font-size: 11px; color: rgba(255,255,255,0.3); text-align: center; line-height: 1.7; max-width: 900px; margin: 0 auto; padding: 20px 0; }

@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

/* ========================================
   ACCESSIBILITY: Reduced motion
   ======================================== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
}