/* ============================================
   VidGuide Design System
   Concept: Linear (dark, glow, premium)
   Layout: Runway (article, cinematic)
   ============================================ */

/* --- Design Tokens --- */
:root {
  /* Backgrounds */
  --bg-base: #08070b;
  --bg-elevated: #0f0e14;
  --bg-surface: #16151d;
  --bg-card: #1a1926;
  --bg-card-hover: #201f2e;

  /* Text */
  --text-primary: #ededef;
  --text-secondary: #8a8a95;
  --text-tertiary: #5c5c66;
  --text-quaternary: #3a3a44;

  /* Accent */
  --accent: #8b5cf6;
  --accent-light: #a78bfa;
  --accent-dim: rgba(139, 92, 246, 0.12);
  --accent-glow: rgba(139, 92, 246, 0.25);

  /* Borders */
  --border: rgba(255, 255, 255, 0.06);
  --border-light: rgba(255, 255, 255, 0.1);
  --border-accent: rgba(139, 92, 246, 0.3);

  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 40px;
  --space-2xl: 64px;
  --space-3xl: 96px;
  --space-4xl: 128px;

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'SF Mono', monospace;

  /* Layout */
  --content-width: 720px;
  --page-width: 1200px;

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scrollbar-width: thin;
  scrollbar-color: var(--bg-card-hover) transparent;
}

html::-webkit-scrollbar {
  width: 6px;
}

html::-webkit-scrollbar-track {
  background: transparent;
}

html::-webkit-scrollbar-thumb {
  background: var(--bg-card-hover);
  border-radius: 3px;
}

html::-webkit-scrollbar-thumb:hover {
  background: var(--text-quaternary);
}

body {
  font-family: var(--font-sans);
  background: var(--bg-base);
  color: var(--text-secondary);
  line-height: 1.7;
  overflow-x: hidden;
}

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

a {
  color: var(--accent-light);
  text-decoration: none;
  transition: color 0.2s;
}
a:hover {
  color: var(--text-primary);
}

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

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 0 var(--space-lg);
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(8, 7, 11, 0.8);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: background 0.3s;
}

.nav-logo {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.nav-logo .dot {
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent-glow);
}

.nav-links {
  display: flex;
  gap: var(--space-lg);
  list-style: none;
}

.nav-links a {
  font-size: 13px;
  color: var(--text-tertiary);
  font-weight: 450;
  letter-spacing: 0.01em;
  transition: color 0.2s;
  position: relative;
}

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

.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: -18px;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--accent);
  box-shadow: 0 0 6px var(--accent-glow);
}

.nav-mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: var(--space-sm);
}

/* --- Hero (Landing) --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-4xl) var(--space-lg);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 600px;
  background: radial-gradient(
    ellipse at center,
    var(--accent-glow) 0%,
    rgba(139, 92, 246, 0.08) 30%,
    transparent 70%
  );
  pointer-events: none;
  z-index: 0;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 6px 14px;
  background: var(--accent-dim);
  border: 1px solid var(--border-accent);
  border-radius: 100px;
  font-size: 12px;
  font-weight: 500;
  color: var(--accent-light);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: var(--space-xl);
  position: relative;
  z-index: 1;
}

.hero-title {
  font-size: clamp(40px, 6vw, 72px);
  font-weight: 650;
  color: var(--text-primary);
  letter-spacing: -0.035em;
  line-height: 1.1;
  margin-bottom: var(--space-lg);
  position: relative;
  z-index: 1;
  text-wrap: balance;
}

.hero-title .gradient {
  background: linear-gradient(135deg, var(--accent-light) 0%, #c084fc 50%, #e879f9 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(16px, 2vw, 20px);
  color: var(--text-secondary);
  max-width: 560px;
  line-height: 1.6;
  margin-bottom: var(--space-2xl);
  position: relative;
  z-index: 1;
  text-wrap: balance;
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 12px 28px;
  background: var(--accent);
  color: white;
  font-size: 14px;
  font-weight: 550;
  border-radius: 8px;
  letter-spacing: -0.01em;
  transition: all 0.2s var(--ease-out);
  position: relative;
  z-index: 1;
  box-shadow: 0 0 20px var(--accent-glow);
}

.hero-cta:hover {
  background: var(--accent-light);
  color: white;
  transform: translateY(-1px);
  box-shadow: 0 0 30px var(--accent-glow), 0 4px 12px rgba(0,0,0,0.3);
}

.hero-cta svg {
  width: 16px;
  height: 16px;
  transition: transform 0.2s;
}
.hero-cta:hover svg {
  transform: translateX(2px);
}

/* --- Section Cards (Landing) --- */
.cards-section {
  padding: 0 var(--space-lg) var(--space-4xl);
  max-width: var(--page-width);
  margin: 0 auto;
}

.cards-section-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.cards-section-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--space-md);
}

.cards-section-title {
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.025em;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
}

.card {
  background: var(--bg-elevated);
  padding: var(--space-xl) var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  transition: background 0.3s var(--ease-out);
  cursor: pointer;
  text-decoration: none;
}

.card:hover {
  background: var(--bg-card-hover);
}

.card-part {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}

.card-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  line-height: 1.3;
}

.card-desc {
  font-size: 14px;
  color: var(--text-tertiary);
  line-height: 1.6;
}

.card-arrow {
  margin-top: auto;
  color: var(--text-quaternary);
  transition: color 0.2s, transform 0.2s;
}

.card:hover .card-arrow {
  color: var(--accent);
  transform: translateX(4px);
}

/* --- Workflow Section (Landing) --- */
.workflow-section {
  padding: var(--space-3xl) var(--space-lg);
  max-width: var(--page-width);
  margin: 0 auto;
  border-top: 1px solid var(--border);
}

.workflow-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: var(--content-width);
  margin: var(--space-2xl) auto 0;
}

.workflow-step {
  display: flex;
  align-items: flex-start;
  gap: var(--space-lg);
  padding: var(--space-lg) 0;
  position: relative;
}

.workflow-step::before {
  content: '';
  position: absolute;
  left: 15px;
  top: 48px;
  bottom: 0;
  width: 1px;
  background: var(--border-light);
}

.workflow-step:last-child::before {
  display: none;
}

.workflow-step-num {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--accent-dim);
  border: 1px solid var(--border-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent-light);
}

.workflow-step-content h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
  letter-spacing: -0.01em;
}

.workflow-step-content p {
  font-size: 14px;
  color: var(--text-tertiary);
}

/* --- Article Page Hero --- */
.article-hero {
  padding: calc(56px + var(--space-3xl)) var(--space-lg) var(--space-2xl);
  max-width: var(--page-width);
  margin: 0 auto;
  position: relative;
}

.article-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 400px;
  background: radial-gradient(
    ellipse at center,
    rgba(139, 92, 246, 0.1) 0%,
    transparent 60%
  );
  pointer-events: none;
}

.article-hero-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--space-md);
}

.article-hero-title {
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 650;
  color: var(--text-primary);
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: var(--space-lg);
  max-width: 720px;
}

.article-hero-desc {
  font-size: 17px;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 600px;
}

.article-hero-divider {
  margin-top: var(--space-2xl);
  border: none;
  height: 1px;
  background: var(--border);
}

/* --- Article Content --- */
.article-content {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: var(--space-2xl) var(--space-lg) var(--space-4xl);
}

/* Headings */
.article-content h1 {
  display: none; /* Hidden - shown in hero */
}

.article-content h2 {
  font-size: 28px;
  font-weight: 650;
  color: var(--text-primary);
  letter-spacing: -0.025em;
  margin-top: var(--space-3xl);
  margin-bottom: var(--space-lg);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--border);
  line-height: 1.2;
}

.article-content h2:first-child {
  margin-top: 0;
  padding-top: 0;
  border-top: none;
}

.article-content h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-md);
  line-height: 1.3;
}

.article-content h4 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.01em;
  margin-top: var(--space-xl);
  margin-bottom: var(--space-sm);
  line-height: 1.4;
}

/* Paragraphs */
.article-content p {
  margin-bottom: var(--space-md);
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-secondary);
}

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

.article-content em {
  color: var(--text-secondary);
  font-style: italic;
}

/* Lists */
.article-content ul,
.article-content ol {
  margin-bottom: var(--space-md);
  padding-left: var(--space-lg);
}

.article-content li {
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-secondary);
  margin-bottom: var(--space-xs);
}

.article-content li strong {
  color: var(--text-primary);
}

/* Blockquotes */
.article-content blockquote {
  margin: var(--space-lg) 0;
  padding: var(--space-md) var(--space-lg);
  border-left: 2px solid var(--accent);
  background: var(--accent-dim);
  border-radius: 0 8px 8px 0;
}

.article-content blockquote p {
  color: var(--text-primary);
  font-size: 14px;
  margin-bottom: 0;
}

/* Code blocks */
.article-content pre {
  margin: var(--space-lg) 0;
  padding: var(--space-lg);
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow-x: auto;
  position: relative;
  scrollbar-width: thin;
  scrollbar-color: var(--bg-card-hover) transparent;
}

.article-content pre::-webkit-scrollbar {
  height: 6px;
}

.article-content pre::-webkit-scrollbar-track {
  background: transparent;
}

.article-content pre::-webkit-scrollbar-thumb {
  background: var(--bg-card-hover);
  border-radius: 3px;
}

.article-content pre::-webkit-scrollbar-thumb:hover {
  background: var(--text-quaternary);
}

.article-content pre code {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-primary);
  background: none;
  padding: 0;
  border: none;
}

.article-content code {
  font-family: var(--font-mono);
  font-size: 13px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  padding: 2px 7px;
  border-radius: 5px;
  color: var(--accent-light);
}

/* Tables */
.article-content table {
  width: 100%;
  margin: var(--space-lg) 0;
  border-collapse: collapse;
  font-size: 14px;
}

.article-content thead {
  border-bottom: 1px solid var(--border-light);
}

.article-content th {
  text-align: left;
  padding: var(--space-sm) var(--space-md);
  font-weight: 600;
  color: var(--text-primary);
  font-size: 12px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.article-content td {
  padding: var(--space-sm) var(--space-md);
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
  vertical-align: top;
}

.article-content tbody tr:hover {
  background: var(--bg-elevated);
}

/* Horizontal Rules */
.article-content hr {
  border: none;
  height: 1px;
  background: var(--border);
  margin: var(--space-2xl) 0;
}

/* Admonitions (MkDocs-style markers in MD) */
.article-content .admonition,
.article-content .callout {
  margin: var(--space-lg) 0;
  padding: var(--space-md) var(--space-lg);
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 0 10px 10px 0;
}

/* --- Pagination / Navigation --- */
.article-nav {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 var(--space-lg) var(--space-3xl);
  display: flex;
  justify-content: space-between;
  gap: var(--space-md);
}

.article-nav-link {
  flex: 1;
  padding: var(--space-lg);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 12px;
  transition: all 0.2s var(--ease-out);
  text-decoration: none;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.article-nav-link:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-light);
}

.article-nav-link.next {
  text-align: right;
  align-items: flex-end;
}

.article-nav-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-quaternary);
}

.article-nav-title {
  font-size: 15px;
  font-weight: 550;
  color: var(--text-primary);
}

/* --- Footer --- */
.footer {
  border-top: 1px solid var(--border);
  padding: var(--space-xl) var(--space-lg);
  text-align: center;
}

.footer p {
  font-size: 13px;
  color: var(--text-quaternary);
}

.footer a {
  color: var(--text-tertiary);
}

/* --- Scroll Progress --- */
.scroll-progress {
  position: fixed;
  top: 56px;
  left: 0;
  height: 2px;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent-glow);
  z-index: 99;
  transition: width 0.1s linear;
}

/* --- Fade-in Animation --- */
.fade-in {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Mobile --- */
.nav-mobile-menu {
  display: none;
  position: fixed;
  top: 56px;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg-base);
  border-top: 1px solid var(--border);
  padding: var(--space-lg);
  z-index: 99;
}

.nav-mobile-menu.open {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.nav-mobile-menu a {
  font-size: 16px;
  color: var(--text-secondary);
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--border);
  display: block;
}

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

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .nav-mobile-toggle {
    display: block;
  }

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

  .article-nav {
    flex-direction: column;
  }

  .article-nav-link.next {
    text-align: left;
    align-items: flex-start;
  }

  .hero {
    padding: var(--space-4xl) var(--space-md);
  }

  .article-hero {
    padding-left: var(--space-md);
    padding-right: var(--space-md);
  }
}

@media (max-width: 1024px) and (min-width: 769px) {
  .cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* --- Copy Button for Code Blocks --- */
.code-wrapper {
  position: relative;
}

.copy-btn {
  position: absolute;
  top: 12px;
  right: 12px;
  padding: 4px 10px;
  font-size: 11px;
  font-family: var(--font-sans);
  font-weight: 500;
  color: var(--text-tertiary);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.15s;
  z-index: 2;
}

.copy-btn:hover {
  color: var(--text-primary);
  border-color: var(--border-light);
}

.copy-btn.copied {
  color: var(--accent);
  border-color: var(--border-accent);
}

/* --- Table of Contents (sidebar) --- */
.article-layout {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 200px;
  gap: var(--space-2xl);
  padding: var(--space-2xl) var(--space-lg) var(--space-4xl);
}

.toc {
  position: sticky;
  top: 80px;
  align-self: start;
  max-height: calc(100vh - 100px);
  overflow-y: auto;
  padding-left: var(--space-lg);
  border-left: 1px solid var(--border);
}

.toc-title {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-quaternary);
  margin-bottom: var(--space-md);
}

.toc a {
  display: block;
  font-size: 12px;
  color: var(--text-tertiary);
  padding: 3px 0;
  line-height: 1.5;
  transition: color 0.15s;
}

.toc a:hover,
.toc a.active {
  color: var(--text-primary);
}

.toc a.toc-h3 {
  padding-left: var(--space-md);
  font-size: 12px;
}

@media (max-width: 1024px) {
  .article-layout {
    grid-template-columns: 1fr;
  }
  .toc {
    display: none;
  }
}

/* --- Visual: Callout Box --- */
.article-content .callout-box {
  margin: var(--space-xl) 0;
  padding: var(--space-lg) var(--space-xl);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 12px;
  text-align: center;
}

.article-content .callout-box .callout-main {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.01em;
  line-height: 1.6;
  margin-bottom: 4px;
}

.article-content .callout-box .callout-sub {
  font-size: 14px;
  color: var(--text-tertiary);
  font-weight: 400;
}

.article-content .callout-box .callout-highlight {
  color: var(--accent-light);
}

/* --- Visual: Info Grid --- */
.article-content .info-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  margin: var(--space-xl) 0;
}

.article-content .info-grid.cols-2 {
  grid-template-columns: repeat(2, 1fr);
}

.article-content .info-grid.cols-4 {
  grid-template-columns: repeat(4, 1fr);
}

.article-content .info-card {
  background: var(--bg-elevated);
  padding: var(--space-lg);
}

.article-content .info-card .info-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-quaternary);
  margin-bottom: 6px;
}

.article-content .info-card .info-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.article-content .info-card .info-desc {
  font-size: 13px;
  color: var(--text-tertiary);
  line-height: 1.5;
}

/* --- Visual: Step List (vertical) --- */
.article-content .step-list {
  margin: var(--space-xl) 0;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.article-content .step-list .step-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-md) 0;
  position: relative;
}

.article-content .step-list .step-item + .step-item {
  border-top: 1px solid var(--border);
}

.article-content .step-list .step-num {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-tertiary);
  margin-top: 1px;
}

.article-content .step-list .step-text {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
  line-height: 1.5;
}

.article-content .step-list .step-desc {
  font-size: 13px;
  color: var(--text-tertiary);
  margin-top: 2px;
}

/* --- Visual: Flow (horizontal) --- */
.article-content .flow-row {
  margin: var(--space-xl) 0;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.article-content .flow-row .flow-item {
  padding: 6px 14px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
  white-space: nowrap;
}

.article-content .flow-row .flow-arrow {
  color: var(--text-quaternary);
  font-size: 13px;
  flex-shrink: 0;
}

/* --- Visual: Two-Column --- */
.article-content .two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  margin: var(--space-xl) 0;
}

.article-content .two-col .col {
  background: var(--bg-elevated);
  padding: var(--space-lg);
}

.article-content .two-col .col-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-quaternary);
  margin-bottom: var(--space-sm);
}

.article-content .two-col .col p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-xs);
}

@media (max-width: 768px) {
  .article-content .two-col {
    grid-template-columns: 1fr;
  }
  .article-content .info-grid,
  .article-content .info-grid.cols-2,
  .article-content .info-grid.cols-4 {
    grid-template-columns: 1fr;
  }
}