/* ─── Docly Blog & Article Design System ─── */
:root {
  --bg: #F5F3ED;
  --paper: #FBFAF6;
  --surface: #FFFFFF;
  --surface-subtle: #F0EDE4;
  --ink: #12262A;
  --ink-soft: #5C6D6B;
  --ink-faint: #93A19E;
  --line: #E6E1D6;

  --accent: #0E5F58;
  --accent-ink: #083A36;
  --accent-soft: #DEEEEA;
  --accent-soft2: #CDE6E0;
  --accent-hover: #0a4742;
  --accent-light: #2A9D8F;

  --tag-bg: #E8F3F1;
  --tag-color: #0E5F58;
  --callout-bg: #F0F7F5;
  --callout-border: #0E5F58;
  --table-header: #EBF2F0;
  --table-stripe: #FAF9F5;

  --shadow-sm: 0 2px 8px rgba(18, 38, 42, 0.04);
  --shadow-md: 0 10px 30px rgba(18, 38, 42, 0.08);
  --shadow-lg: 0 20px 50px rgba(14, 95, 88, 0.12);

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-pill: 9999px;
  --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

[data-theme="dark"] {
  --bg: #0C1313;
  --paper: #121B1B;
  --surface: #172322;
  --surface-subtle: #1E2D2B;
  --ink: #F0F7F5;
  --ink-soft: #A5B8B3;
  --ink-faint: #758984;
  --line: #283A37;

  --accent: #4ECDC4;
  --accent-ink: #0C1313;
  --accent-soft: #193D38;
  --accent-soft2: #1E4E47;
  --accent-hover: #63d9d1;
  --accent-light: #4ECDC4;

  --tag-bg: #1A3532;
  --tag-color: #4ECDC4;
  --callout-bg: #142826;
  --callout-border: #4ECDC4;
  --table-header: #192A28;
  --table-stripe: #141F1E;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.65);
}

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

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--bg);
  color: var(--ink);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color 0.3s ease, color 0.3s ease;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Space Grotesk', -apple-system, sans-serif;
  color: var(--ink);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

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

a:hover {
  color: var(--accent-hover);
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 clamp(16px, 4vw, 32px);
}

/* ─── Reading Progress Bar ─── */
.reading-progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--accent) 0%, #4453B8 100%);
  width: 0%;
  z-index: 1001;
  transition: width 0.1s linear;
}

/* ─── Header Navigation ─── */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(245, 243, 237, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

[data-theme="dark"] .header {
  background: rgba(12, 19, 19, 0.92);
}

.nav-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--ink);
}

.brand-icon {
  width: 32px;
  height: 32px;
  object-fit: contain;
}

.brand-badge {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.68rem;
  padding: 2px 7px;
  border-radius: var(--radius-pill);
  background: var(--accent-soft);
  color: var(--accent);
  border: 1px solid var(--accent-soft2);
  font-weight: 600;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 26px;
  list-style: none;
}

.nav-link {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--ink-soft);
  position: relative;
  padding: 4px 0;
}

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

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.theme-toggle-btn {
  background: var(--surface);
  border: 1px solid var(--line);
  color: var(--ink);
  width: 38px;
  height: 38px;
  border-radius: var(--radius-pill);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.05rem;
  transition: var(--transition);
}

.theme-toggle-btn:hover {
  background: var(--surface-subtle);
  transform: scale(1.05);
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  background: var(--accent);
  color: #FFFFFF;
  font-weight: 600;
  font-size: 0.88rem;
  border-radius: var(--radius-pill);
  box-shadow: 0 4px 14px rgba(14, 95, 88, 0.22);
  transition: var(--transition);
  border: 1px solid transparent;
}

.btn-primary:hover {
  background: var(--accent-hover);
  color: #FFFFFF;
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(14, 95, 88, 0.3);
}

[data-theme="dark"] .btn-primary {
  color: var(--accent-ink);
}

.mobile-menu-btn {
  display: none;
  background: var(--surface);
  border: 1px solid var(--line);
  color: var(--ink);
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  font-size: 1.2rem;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.mobile-drawer {
  display: none;
  flex-direction: column;
  padding: 16px clamp(16px, 4vw, 32px);
  background: var(--paper);
  border-bottom: 1px solid var(--line);
  gap: 12px;
}

.mobile-drawer.open {
  display: flex;
}

.mobile-drawer a {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--ink);
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
}

/* ─── Breadcrumbs ─── */
.breadcrumbs {
  padding: 18px 0;
  font-size: 0.82rem;
  font-family: 'IBM Plex Mono', monospace;
  color: var(--ink-faint);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.breadcrumbs a {
  color: var(--ink-soft);
}

.breadcrumbs a:hover {
  color: var(--accent);
}

.breadcrumbs .sep {
  opacity: 0.5;
}

/* ─── Article Header ─── */
.article-header {
  padding: clamp(24px, 4vw, 48px) 0 clamp(20px, 3vw, 36px);
  border-bottom: 1px solid var(--line);
  margin-bottom: clamp(28px, 4vw, 44px);
}

.article-category-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  background: var(--tag-bg);
  color: var(--tag-color);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.76rem;
  font-weight: 600;
  border-radius: var(--radius-pill);
  margin-bottom: 16px;
  border: 1px solid var(--accent-soft2);
}

.article-title {
  font-size: clamp(1.9rem, 4.2vw, 3.1rem);
  line-height: 1.18;
  margin-bottom: 18px;
  color: var(--ink);
}

.article-meta-lead {
  font-size: clamp(1.05rem, 2vw, 1.22rem);
  line-height: 1.6;
  color: var(--ink-soft);
  margin-bottom: 24px;
  max-width: 820px;
}

.article-meta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
  font-size: 0.84rem;
  color: var(--ink-soft);
  font-family: 'IBM Plex Mono', monospace;
}

.meta-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

/* ─── Article Body Layout ─── */
.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: clamp(32px, 5vw, 64px);
  align-items: start;
  padding-bottom: 60px;
}

.article-content {
  min-width: 0;
  font-size: 1.05rem;
  color: var(--ink);
  line-height: 1.8;
}

.article-content > * + * {
  margin-top: 1.4rem;
}

.article-content h2 {
  font-size: clamp(1.4rem, 2.5vw, 1.85rem);
  margin-top: 2.5rem;
  margin-bottom: 0.8rem;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
  scroll-margin-top: 90px;
}

.article-content h3 {
  font-size: clamp(1.15rem, 2vw, 1.4rem);
  margin-top: 1.8rem;
  margin-bottom: 0.6rem;
  scroll-margin-top: 90px;
}

.article-content p {
  color: var(--ink);
  font-size: 1.03rem;
}

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

.article-content ul, .article-content ol {
  padding-left: 24px;
  margin-top: 1rem;
  margin-bottom: 1.2rem;
}

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

.article-content blockquote {
  border-left: 4px solid var(--accent);
  background: var(--callout-bg);
  padding: 16px 20px;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: 1.8rem 0;
  color: var(--ink);
  font-style: normal;
}

.article-content blockquote p {
  margin: 0;
  font-size: 0.98rem;
}

/* ─── Callouts & Checklists ─── */
.callout-box {
  background: var(--callout-bg);
  border: 1px solid var(--accent-soft2);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius-md);
  padding: 20px;
  margin: 1.8rem 0;
}

.callout-title {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}

.checklist-list {
  list-style: none;
  padding-left: 0 !important;
}

.checklist-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 10px;
}

.checklist-icon {
  color: var(--accent);
  font-weight: bold;
  flex-shrink: 0;
  margin-top: 2px;
}

/* ─── Images & Media ─── */
img {
  max-width: 100%;
  height: auto;
  display: inline-block;
}

/* ─── Tables ─── */
.table-wrapper {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 2rem 0;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

.article-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.92rem;
  line-height: 1.5;
}

.article-table th {
  background: var(--table-header);
  color: var(--ink);
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  padding: 14px 16px;
  border-bottom: 2px solid var(--line);
  white-space: nowrap;
}

.article-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
}

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

.article-table tr:nth-child(even) td {
  background: var(--table-stripe);
}

.badge-yes {
  display: inline-block;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  background: #E6F7ED;
  color: #0E7C3A;
  font-weight: 600;
  font-size: 0.78rem;
  font-family: 'IBM Plex Mono', monospace;
}

[data-theme="dark"] .badge-yes {
  background: #113620;
  color: #48C774;
}

.badge-no {
  display: inline-block;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  background: #FDF0ED;
  color: #C0392B;
  font-weight: 600;
  font-size: 0.78rem;
  font-family: 'IBM Plex Mono', monospace;
}

[data-theme="dark"] .badge-no {
  background: #3A1816;
  color: #E74C3C;
}

.badge-partial {
  display: inline-block;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  background: #FEF7E5;
  color: #B27B00;
  font-weight: 600;
  font-size: 0.78rem;
  font-family: 'IBM Plex Mono', monospace;
}

[data-theme="dark"] .badge-partial {
  background: #392B0D;
  color: #F1C40F;
}

/* ─── Sticky Sidebar (TOC + Sharing + CTA) ─── */
.article-sidebar {
  position: sticky;
  top: 90px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.sidebar-widget {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 20px;
  box-shadow: var(--shadow-sm);
}

.sidebar-title {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 12px;
  text-transform: uppercase;
  font-family: 'IBM Plex Mono', monospace;
  color: var(--ink-soft);
  letter-spacing: 0.05em;
}

.toc-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toc-link {
  font-size: 0.86rem;
  color: var(--ink-soft);
  line-height: 1.4;
  display: block;
  padding: 4px 0 4px 8px;
  border-left: 2px solid transparent;
  transition: var(--transition);
}

.toc-link:hover, .toc-link.active {
  color: var(--accent);
  border-left-color: var(--accent);
  font-weight: 600;
}

.share-buttons {
  display: flex;
  gap: 8px;
}

.share-btn {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--ink-soft);
  cursor: pointer;
  transition: var(--transition);
  font-size: 0.85rem;
}

.share-btn:hover {
  background: var(--accent-soft);
  color: var(--accent);
  border-color: var(--accent-soft2);
}

.sidebar-cta {
  background: linear-gradient(135deg, var(--accent) 0%, #083A36 100%);
  color: #FFFFFF;
  border-radius: var(--radius-md);
  padding: 22px;
  text-align: center;
}

.sidebar-cta h4 {
  color: #FFFFFF;
  font-size: 1.15rem;
  margin-bottom: 8px;
}

.sidebar-cta p {
  font-size: 0.84rem;
  opacity: 0.9;
  margin-bottom: 16px;
  line-height: 1.5;
}

.sidebar-cta-btn {
  display: inline-block;
  width: 100%;
  padding: 10px 16px;
  background: #FFFFFF;
  color: var(--accent-ink);
  font-weight: 700;
  font-size: 0.88rem;
  border-radius: var(--radius-pill);
  transition: var(--transition);
}

.sidebar-cta-btn:hover {
  background: var(--paper);
  transform: translateY(-2px);
}

/* ─── FAQ in Article ─── */
.article-faq-section {
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--line);
}

.faq-item {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
  transition: var(--transition);
}

.faq-question {
  padding: 16px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  color: var(--ink);
  cursor: pointer;
  width: 100%;
  text-align: left;
  border: none;
  background: none;
}

.faq-icon {
  font-size: 1.2rem;
  color: var(--accent);
  transition: transform 0.25s ease;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  padding: 0 20px;
  color: var(--ink-soft);
  font-size: 0.92rem;
  line-height: 1.6;
}

.faq-item.open .faq-answer {
  max-height: 250px;
  padding: 0 20px 16px;
}

.faq-item.open .faq-icon {
  transform: rotate(45deg);
}

/* ─── Bottom CTA Banner ─── */
.blog-cta-banner {
  background: linear-gradient(135deg, var(--accent) 0%, #083A36 100%);
  color: #FFFFFF;
  border-radius: var(--radius-xl);
  padding: clamp(32px, 5vw, 48px) clamp(20px, 4vw, 40px);
  text-align: center;
  margin: 40px 0 60px;
  box-shadow: var(--shadow-lg);
}

.blog-cta-banner h2 {
  color: #FFFFFF;
  font-size: clamp(1.6rem, 3.5vw, 2.3rem);
  margin-bottom: 12px;
}

.blog-cta-banner p {
  color: rgba(255, 255, 255, 0.9);
  max-width: 600px;
  margin: 0 auto 24px;
  font-size: 1rem;
}

.cta-btn-light {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px clamp(24px, 4vw, 32px);
  background: #FFFFFF;
  color: var(--accent-ink);
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  border-radius: var(--radius-pill);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
  transition: var(--transition);
}

.cta-btn-light:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.25);
  background: var(--paper);
}

/* ─── Related Articles Grid ─── */
.related-section {
  padding: 40px 0 60px;
  border-top: 1px solid var(--line);
}

.section-title {
  font-size: clamp(1.4rem, 3vw, 1.8rem);
  margin-bottom: 24px;
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr));
  gap: clamp(20px, 3vw, 28px);
}

.blog-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

.blog-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
}

.blog-card-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.blog-card-tag {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--tag-color);
  background: var(--tag-bg);
  padding: 3px 9px;
  border-radius: var(--radius-pill);
  align-self: flex-start;
  margin-bottom: 12px;
}

.blog-card-title {
  font-size: 1.18rem;
  line-height: 1.35;
  margin-bottom: 10px;
  color: var(--ink);
}

.blog-card-desc {
  font-size: 0.88rem;
  color: var(--ink-soft);
  line-height: 1.6;
  margin-bottom: 18px;
  flex: 1;
}

.blog-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.76rem;
  color: var(--ink-faint);
  border-top: 1px solid var(--line);
  padding-top: 14px;
  margin-top: auto;
}

.blog-read-link {
  color: var(--accent);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

/* ─── Blog Hub Specific Styles ─── */
.blog-hero {
  padding: clamp(40px, 6vw, 64px) 0 32px;
  text-align: center;
  border-bottom: 1px solid var(--line);
  margin-bottom: 40px;
}

.blog-hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: var(--accent-soft);
  border: 1px solid var(--accent-soft2);
  border-radius: var(--radius-pill);
  color: var(--accent);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 16px;
}

.blog-hero-title {
  font-size: clamp(2.2rem, 5vw, 3.2rem);
  margin-bottom: 16px;
}

.blog-hero-desc {
  font-size: clamp(1rem, 2vw, 1.15rem);
  color: var(--ink-soft);
  max-width: 640px;
  margin: 0 auto 28px;
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-bottom: 40px;
}

.filter-btn {
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink-soft);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.filter-btn:hover, .filter-btn.active {
  background: var(--accent);
  color: #FFFFFF;
  border-color: var(--accent);
}

[data-theme="dark"] .filter-btn.active {
  color: var(--accent-ink);
}

.featured-card {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 48px;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
}

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

.featured-content {
  padding: clamp(24px, 4vw, 40px);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.featured-preview {
  background: linear-gradient(135deg, var(--accent-soft) 0%, var(--surface-subtle) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 30px;
  border-left: 1px solid var(--line);
}

.featured-preview-box {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 24px;
  width: 100%;
  max-width: 340px;
  box-shadow: var(--shadow-md);
}

@media (max-width: 840px) {
  .featured-card {
    grid-template-columns: 1fr;
  }
  .featured-preview {
    border-left: none;
    border-top: 1px solid var(--line);
  }
}

/* ─── Footer ─── */
.footer {
  padding: clamp(40px, 6vw, 60px) 0 28px;
  background: var(--paper);
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 0.88rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: clamp(24px, 4vw, 40px);
  margin-bottom: clamp(32px, 5vw, 48px);
}

.footer-brand p {
  margin-top: 12px;
  max-width: 320px;
  line-height: 1.6;
}

.footer-heading {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--ink);
  margin-bottom: 12px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

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

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.76rem;
}

/* ─── Toast Notification ─── */
.toast-notice {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--ink);
  color: var(--surface);
  padding: 12px 20px;
  border-radius: var(--radius-pill);
  font-size: 0.86rem;
  font-weight: 600;
  box-shadow: var(--shadow-lg);
  z-index: 9999;
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.3s ease;
  pointer-events: none;
}

.toast-notice.show {
  opacity: 1;
  transform: translateY(0);
}

/* ─── Responsive Media Queries ─── */
@media (max-width: 992px) {
  .article-layout {
    grid-template-columns: 1fr;
  }
  .article-sidebar {
    display: none;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links, .nav-actions .btn-primary {
    display: none;
  }
  .mobile-menu-btn {
    display: flex;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }
  .article-title {
    font-size: 1.65rem;
    line-height: 1.22;
  }
  .article-content {
    font-size: 0.98rem;
    line-height: 1.7;
  }
  .article-content h2 {
    font-size: 1.35rem;
  }
  .article-content h3 {
    font-size: 1.15rem;
  }
  .callout-box, .checklist-card {
    padding: 16px;
  }
  .blog-card-body {
    padding: 18px;
  }
  .blog-cta-banner {
    padding: 28px 16px;
    border-radius: var(--radius-lg);
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
    gap: 8px;
  }
}