/* ==========================================================================
   DBeaver Developer Academy - Modern High-Performance Stylesheet
   Engineered for Google Ads Quality Score, Core Web Vitals & SEO
   ========================================================================== */

:root {
  --primary: #1b3a57;
  --primary-dark: #0f2338;
  --primary-light: #2b5680;
  --accent: #00a4e4;
  --accent-hover: #0088be;
  --accent-glow: rgba(0, 164, 228, 0.15);
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --bg-main: #f8fafc;
  --bg-card: #ffffff;
  --bg-alt: #f1f5f9;
  --border-color: #e2e8f0;
  --border-subtle: #cbd5e1;
  --text-main: #1e293b;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  --code-bg: #131b26;
  --code-text: #e2e8f0;
  --header-height: 72px;
  --container-max: 1200px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --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 -1px rgba(0,0,0,0.08), 0 2px 4px -1px rgba(0,0,0,0.04);
  --shadow-lg: 0 10px 25px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  --transition: all 0.2s ease-in-out;
}

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

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

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text-main);
  background-color: var(--bg-main);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Screen reader utility for accessibility & SEO */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Skip link for accessibility (Google Ads & WCAG standard) */
.skip-link {
  position: absolute;
  top: -40px;
  left: 20px;
  background: var(--primary);
  color: #fff;
  padding: 8px 16px;
  z-index: 9999;
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-weight: 600;
  transition: top 0.2s ease;
}
.skip-link:focus {
  top: 10px;
}

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

/* Top Disclaimer Banner (Mandatory for Google Ads Trademark & Transparency Policy) */
.top-notice-bar {
  background-color: #0f172a;
  color: #94a3b8;
  font-size: 0.78rem;
  padding: 6px 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  text-align: center;
}
.top-notice-bar a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.top-notice-bar strong {
  color: #e2e8f0;
}

/* Header & Navigation */
.site-header {
  background: #ffffff;
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 1px 3px rgba(0,0,0,0.03);
}

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

.brand-wrapper {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--primary);
}

.brand-logo {
  width: 44px;
  height: 44px;
  object-fit: contain;
  border-radius: var(--radius-sm);
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--primary);
  line-height: 1.2;
}

.brand-name span {
  color: var(--accent);
}

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

/* Nav Menu */
.main-nav {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  list-style: none;
  gap: 6px;
  align-items: center;
}

.nav-link {
  display: inline-block;
  padding: 8px 14px;
  font-size: 0.92rem;
  font-weight: 600;
  color: #334155;
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.nav-link:hover, .nav-link.active {
  color: var(--accent);
  background-color: var(--bg-alt);
}

.header-cta-group {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Mobile Toggle */
.mobile-nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border-color);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--text-main);
  font-size: 1.25rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  font-size: 0.94rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--accent);
  color: #ffffff !important;
  box-shadow: 0 2px 4px rgba(0, 164, 228, 0.25);
}
.btn-primary:hover {
  background-color: var(--accent-hover);
  box-shadow: 0 4px 8px rgba(0, 164, 228, 0.35);
  transform: translateY(-1px);
}

.btn-dark {
  background-color: var(--primary);
  color: #ffffff !important;
}
.btn-dark:hover {
  background-color: var(--primary-dark);
  transform: translateY(-1px);
}

.btn-outline {
  background-color: transparent;
  border-color: var(--border-subtle);
  color: var(--text-main);
}
.btn-outline:hover {
  border-color: var(--primary);
  background-color: var(--bg-alt);
}

.btn-sm {
  padding: 6px 14px;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 14px 28px;
  font-size: 1.05rem;
  border-radius: var(--radius-md);
}

/* Breadcrumbs (SEO schema visual support) */
.breadcrumb-nav {
  padding: 12px 0;
  background-color: #ffffff;
  border-bottom: 1px solid var(--border-color);
  font-size: 0.85rem;
}
.breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  list-style: none;
  gap: 8px;
  color: var(--text-muted);
}
.breadcrumb-item a {
  color: var(--primary-light);
  text-decoration: none;
}
.breadcrumb-item a:hover {
  color: var(--accent);
  text-decoration: underline;
}
.breadcrumb-separator {
  color: var(--text-light);
  user-select: none;
}
.breadcrumb-current {
  color: var(--text-main);
  font-weight: 600;
}

/* Hero Section */
.hero-section {
  padding: 56px 0 64px;
  background: linear-gradient(180deg, #ffffff 0%, var(--bg-main) 100%);
  border-bottom: 1px solid var(--border-color);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 40px;
  align-items: center;
}

.badge-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  background-color: #e0f2fe;
  color: #0369a1;
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: 9999px;
  margin-bottom: 16px;
}

.hero-title {
  font-size: 2.75rem;
  font-weight: 800;
  line-height: 1.18;
  color: var(--primary);
  margin-bottom: 18px;
  letter-spacing: -0.03em;
}

.hero-title span {
  color: var(--accent);
}

.hero-lead {
  font-size: 1.18rem;
  color: #475569;
  line-height: 1.6;
  margin-bottom: 28px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 32px;
}

.hero-stats {
  display: flex;
  gap: 28px;
  border-top: 1px solid var(--border-color);
  padding-top: 20px;
}
.stat-item {
  display: flex;
  flex-direction: column;
}
.stat-num {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
}
.stat-desc {
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* Hero Preview / Visual Window */
.code-preview-window {
  background: var(--code-bg);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  border: 1px solid #2d3748;
  overflow: hidden;
}

.window-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  background: #0d131d;
  border-bottom: 1px solid #243042;
}

.window-dots {
  display: flex;
  gap: 6px;
}
.window-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
}
.dot-red { background: #ef4444; }
.dot-yellow { background: #f59e0b; }
.dot-green { background: #10b981; }

.window-title {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: #94a3b8;
}

.window-badge {
  font-size: 0.72rem;
  background: #1e293b;
  color: #38bdf8;
  padding: 2px 8px;
  border-radius: 4px;
  font-family: var(--font-mono);
}

.code-tabs {
  display: flex;
  background: #131b26;
  border-bottom: 1px solid #243042;
}
.code-tab-btn {
  background: transparent;
  border: none;
  color: #94a3b8;
  padding: 8px 16px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: var(--transition);
}
.code-tab-btn.active, .code-tab-btn:hover {
  color: #ffffff;
  border-bottom-color: var(--accent);
  background: rgba(255,255,255,0.03);
}

.code-preview-body {
  padding: 18px 20px;
  font-family: var(--font-mono);
  font-size: 0.86rem;
  color: #e2e8f0;
  line-height: 1.65;
  overflow-x: auto;
}

/* Syntax Highlighting Colors */
.tok-kw { color: #f43f5e; font-weight: 600; }
.tok-fn { color: #38bdf8; }
.tok-str { color: #a3e635; }
.tok-com { color: #64748b; font-style: italic; }
.tok-var { color: #fbbf24; }
.tok-type { color: #c084fc; }
.tok-num { color: #fb923c; }

/* Sections */
.section {
  padding: 64px 0;
}

.section-alt {
  background-color: #ffffff;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 48px;
}

.section-tag {
  color: var(--accent);
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
  display: block;
}

.section-title {
  font-size: 2.15rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 14px;
  letter-spacing: -0.02em;
}

.section-desc {
  font-size: 1.08rem;
  color: var(--text-muted);
}

/* Cards Grid */
.cards-grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 28px;
}

.cards-grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(460px, 1fr));
  gap: 28px;
}

.card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

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

.card-icon {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-sm);
  background-color: #f0fdf4;
  color: #16a34a;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
}
.card-icon.blue { background-color: #e0f2fe; color: #0284c7; }
.card-icon.purple { background-color: #f3e8ff; color: #9333ea; }
.card-icon.amber { background-color: #fef3c7; color: #d97706; }
.card-icon.cyan { background-color: #ecfeff; color: #0891b2; }

.card-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 12px;
}
.card-title a {
  color: inherit;
  text-decoration: none;
}
.card-title a:hover {
  color: var(--accent);
}

.card-text {
  font-size: 0.95rem;
  color: #475569;
  margin-bottom: 20px;
  flex-grow: 1;
}

.card-footer {
  margin-top: auto;
  border-top: 1px solid var(--border-color);
  padding-top: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-meta {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Feature Spotlight Grid */
.feature-spotlight {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  margin-bottom: 64px;
}

.feature-spotlight.reverse {
  grid-template-columns: 1fr 1fr;
}
.feature-spotlight.reverse .feature-content {
  order: 2;
}
.feature-spotlight.reverse .feature-media {
  order: 1;
}

.feature-content h3 {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 14px;
}

.feature-content p {
  color: #475569;
  font-size: 1.02rem;
  margin-bottom: 18px;
}

.feature-list {
  list-style: none;
  margin-bottom: 24px;
}
.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 10px;
  font-size: 0.95rem;
  color: #334155;
}
.feature-list li::before {
  content: "✓";
  color: #0284c7;
  font-weight: 800;
  background: #e0f2fe;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.feature-media {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px;
  box-shadow: var(--shadow-md);
}
.feature-media img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-sm);
  display: block;
}

/* Code Snippet Block */
.code-box {
  background: var(--code-bg);
  border-radius: var(--radius-md);
  border: 1px solid #2d3748;
  margin: 24px 0;
  overflow: hidden;
}

.code-box-header {
  background: #0d131d;
  padding: 10px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid #243042;
}

.code-box-lang {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: #94a3b8;
  text-transform: uppercase;
  font-weight: 600;
}

.btn-copy {
  background: #1e293b;
  border: 1px solid #334155;
  color: #cbd5e1;
  font-size: 0.75rem;
  padding: 4px 10px;
  border-radius: 4px;
  cursor: pointer;
  transition: var(--transition);
}
.btn-copy:hover {
  background: #334155;
  color: #ffffff;
}

.code-box-body {
  padding: 18px 20px;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  color: var(--code-text);
  overflow-x: auto;
  line-height: 1.6;
}

/* Callout Box */
.callout {
  padding: 20px 24px;
  border-radius: var(--radius-md);
  margin: 24px 0;
  border-left: 4px solid var(--accent);
  background-color: #f0f9ff;
}
.callout-title {
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 6px;
  font-size: 1rem;
}
.callout p {
  color: #334155;
  font-size: 0.95rem;
}

.callout-warning {
  border-left-color: #f59e0b;
  background-color: #fffbeb;
}
.callout-warning .callout-title { color: #b45309; }

.callout-tip {
  border-left-color: #10b981;
  background-color: #f0fdf4;
}
.callout-tip .callout-title { color: #047857; }

/* Table Styles (Shortcuts & Comparative Fact-Checking) */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  margin: 28px 0;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background: #ffffff;
  box-shadow: var(--shadow-sm);
}

.custom-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.94rem;
}

.custom-table th {
  background-color: var(--bg-alt);
  color: var(--primary);
  font-weight: 700;
  padding: 14px 18px;
  border-bottom: 2px solid var(--border-color);
}

.custom-table td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-color);
  color: #334155;
  vertical-align: top;
}

.custom-table tr:last-child td {
  border-bottom: none;
}

.custom-table tr:hover td {
  background-color: #f8fafc;
}

.kbd {
  display: inline-block;
  padding: 3px 8px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  background: #f1f5f9;
  border: 1px solid #cbd5e1;
  border-bottom-width: 2px;
  border-radius: 4px;
  color: #1e293b;
  font-weight: 600;
  box-shadow: 0 1px 0 rgba(0,0,0,0.06);
}

/* FAQ Accordion (For SEO FAQPage schema) */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-width: 860px;
  margin: 0 auto;
}

.faq-item {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.faq-question {
  width: 100%;
  padding: 18px 24px;
  text-align: left;
  background: none;
  border: none;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--primary);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition);
}

.faq-question:hover {
  background-color: var(--bg-alt);
}

.faq-question::after {
  content: "+";
  font-size: 1.4rem;
  color: var(--accent);
  font-weight: 400;
  transition: transform 0.2s ease;
}

.faq-item.active .faq-question::after {
  content: "−";
  transform: rotate(180deg);
}

.faq-answer {
  display: none;
  padding: 0 24px 20px;
  color: #475569;
  font-size: 0.95rem;
  line-height: 1.65;
  border-top: 1px solid var(--border-color);
  background-color: #fafbfc;
}

.faq-item.active .faq-answer {
  display: block;
}

/* Download / CTA Banner Block */
.cta-banner {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  color: #ffffff;
  border-radius: var(--radius-lg);
  padding: 48px;
  text-align: center;
  margin: 64px 0 32px;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at center, rgba(0, 164, 228, 0.12) 0%, transparent 60%);
  pointer-events: none;
}

.cta-banner h2 {
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 14px;
  color: #ffffff;
}

.cta-banner p {
  font-size: 1.1rem;
  color: #cbd5e1;
  max-width: 680px;
  margin: 0 auto 28px;
}

.cta-banner-buttons {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* Content Article Layout (Tutorial / Guide pages) */
.article-layout {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 48px;
  padding: 48px 0 80px;
}

.sidebar-sticky {
  position: sticky;
  top: 96px;
  max-height: calc(100vh - 120px);
  overflow-y: auto;
}

.toc-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 22px;
  box-shadow: var(--shadow-sm);
}

.toc-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-color);
}

.toc-list {
  list-style: none;
  font-size: 0.88rem;
}
.toc-list li {
  margin-bottom: 8px;
}
.toc-list a {
  color: #64748b;
  text-decoration: none;
  display: block;
  padding: 4px 8px;
  border-radius: 4px;
  transition: var(--transition);
}
.toc-list a:hover {
  color: var(--accent);
  background-color: var(--bg-alt);
}

.article-content {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 40px;
  box-shadow: var(--shadow-sm);
}

.article-header {
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 24px;
  margin-bottom: 32px;
}

.article-title {
  font-size: 2.35rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.25;
  margin-bottom: 14px;
  letter-spacing: -0.02em;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  font-size: 0.85rem;
  color: var(--text-muted);
}
.article-meta span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.article-body h2 {
  font-size: 1.65rem;
  font-weight: 800;
  color: var(--primary);
  margin: 40px 0 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-color);
  letter-spacing: -0.01em;
}

.article-body h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: #1e293b;
  margin: 28px 0 12px;
}

.article-body p {
  font-size: 1.02rem;
  line-height: 1.7;
  color: #334155;
  margin-bottom: 18px;
}

.article-body ul, .article-body ol {
  margin: 16px 0 24px 24px;
  color: #334155;
  font-size: 1rem;
  line-height: 1.7;
}

.article-body li {
  margin-bottom: 8px;
}

/* Footer (Complete Google Ads Compliance) */
.site-footer {
  background-color: #0b131f;
  color: #94a3b8;
  border-top: 1px solid #1e293b;
  padding: 64px 0 28px;
  margin-top: auto;
  font-size: 0.9rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 48px;
}

.footer-col h4 {
  color: #f1f5f9;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 18px;
  letter-spacing: 0.02em;
}

.footer-links {
  list-style: none;
}
.footer-links li {
  margin-bottom: 10px;
}
.footer-links a {
  color: #94a3b8;
  text-decoration: none;
  transition: var(--transition);
}
.footer-links a:hover {
  color: var(--accent);
}

.footer-disclaimer-box {
  background-color: #131d2c;
  border: 1px solid #243042;
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  margin-bottom: 32px;
  font-size: 0.8rem;
  line-height: 1.6;
  color: #8899ac;
}
.footer-disclaimer-box strong {
  color: #e2e8f0;
}

.footer-bottom {
  border-top: 1px solid #1e293b;
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  color: #64748b;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-bottom-links {
  display: flex;
  gap: 16px;
}
.footer-bottom-links a {
  color: #94a3b8;
  text-decoration: none;
}
.footer-bottom-links a:hover {
  color: var(--accent);
}

/* Responsive Breakpoints */
@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .article-layout {
    grid-template-columns: 1fr;
  }
  .sidebar-sticky {
    position: static;
    margin-bottom: 32px;
  }
  .feature-spotlight, .feature-spotlight.reverse {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .feature-spotlight.reverse .feature-content {
    order: 1;
  }
  .feature-spotlight.reverse .feature-media {
    order: 2;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

@media (max-width: 768px) {
  .hero-title {
    font-size: 2.15rem;
  }
  .main-nav {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: #ffffff;
    border-bottom: 1px solid var(--border-color);
    padding: 16px 20px;
    box-shadow: var(--shadow-md);
  }
  .main-nav.active {
    display: block;
  }
  .nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
  .nav-link {
    width: 100%;
    padding: 10px 14px;
  }
  .mobile-nav-toggle {
    display: block;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .cards-grid-2 {
    grid-template-columns: 1fr;
  }
  .article-content {
    padding: 24px;
  }
}