/* ============================================================
   layer-pack Documentation — Main Stylesheet
   ============================================================ */

/* --- Custom Properties --- */
:root {
  --color-primary: #1e3a5f;
  --color-primary-dark: #152d4a;
  --color-primary-light: #2a4f7a;
  --color-accent: #00bcd4;
  --color-accent-light: #4fc3f7;
  --color-accent-dark: #0097a7;
  --color-bg: #ffffff;
  --color-bg-alt: #f5f7fa;
  --color-bg-dark: #0d1b2a;
  --color-bg-code: #1e1e2e;
  --color-text: #2c3e50;
  --color-text-light: #64748b;
  --color-text-muted: #94a3b8;
  --color-text-inverse: #e2e8f0;
  --color-border: #e2e8f0;
  --color-border-light: #f1f5f9;
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-error: #ef4444;
  --color-card-shadow: rgba(30, 58, 95, 0.08);
  --color-card-shadow-hover: rgba(30, 58, 95, 0.16);

  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', 'Source Code Pro', monospace;

  --size-xs: 0.75rem;
  --size-sm: 0.875rem;
  --size-base: 1rem;
  --size-lg: 1.125rem;
  --size-xl: 1.25rem;
  --size-2xl: 1.5rem;
  --size-3xl: 1.875rem;
  --size-4xl: 2.25rem;
  --size-5xl: 3rem;

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;

  --shadow-sm: 0 1px 3px var(--color-card-shadow);
  --shadow-md: 0 4px 12px var(--color-card-shadow);
  --shadow-lg: 0 8px 24px var(--color-card-shadow);
  --shadow-xl: 0 12px 40px var(--color-card-shadow);

  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;

  --nav-height: 64px;
  --sidebar-width: 260px;
  --content-max: 1200px;
  --content-narrow: 900px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-height) + 24px);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: var(--size-base);
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

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

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  color: var(--color-primary);
  font-weight: 700;
  line-height: 1.3;
  margin-top: 2rem;
  margin-bottom: 0.75rem;
}

h1 { font-size: var(--size-4xl); margin-top: 0; }
h2 { font-size: var(--size-3xl); }
h3 { font-size: var(--size-2xl); }
h4 { font-size: var(--size-xl); }
h5 { font-size: var(--size-lg); }

p {
  margin-bottom: 1rem;
}

ul, ol {
  margin-bottom: 1rem;
  padding-left: 1.5rem;
}

li {
  margin-bottom: 0.25rem;
}

strong {
  font-weight: 600;
}

hr {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: 2rem 0;
}

/* --- Inline Code --- */
code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.15em 0.4em;
  word-break: break-word;
}

pre code {
  background: none;
  border: none;
  padding: 0;
  font-size: var(--size-sm);
  word-break: normal;
}

/* --- Code Blocks with Terminal Bar --- */
.code-block {
  position: relative;
  margin: 1.25rem 0 1.5rem;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-bg-code);
  box-shadow: var(--shadow-md);
}

.code-block .code-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  background: #16162a;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  font-family: var(--font-mono);
  font-size: var(--size-xs);
  color: var(--color-text-muted);
}

.code-block .code-header .dots {
  display: flex;
  gap: 6px;
}

.code-block .code-header .dots span {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  display: inline-block;
}

.code-block .code-header .dots span:nth-child(1) { background: #ff5f57; }
.code-block .code-header .dots span:nth-child(2) { background: #febc2e; }
.code-block .code-header .dots span:nth-child(3) { background: #28c840; }

.code-block .code-header .filename {
  margin-left: 8px;
  flex: 1;
}

.code-block .copy-btn {
  position: absolute;
  top: 8px;
  right: 12px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: var(--size-xs);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  z-index: 2;
}

.code-block .copy-btn:hover {
  background: rgba(255,255,255,0.15);
  color: #fff;
}

.code-block .copy-btn.copied {
  color: var(--color-success);
  border-color: var(--color-success);
}

.code-block pre {
  margin: 0;
  padding: 1rem 1.25rem;
  overflow-x: auto;
  line-height: 1.6;
}

.code-block pre code {
  color: #c9d1d9;
}

/* Simple pre blocks (no terminal bar) */
pre[class*="language-"] {
  background: var(--color-bg-code);
  border-radius: var(--radius-lg);
  padding: 1rem 1.25rem;
  margin: 1.25rem 0 1.5rem;
  overflow-x: auto;
  line-height: 1.6;
}

/* --- Navigation --- */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  height: var(--nav-height);
}

.nav-inner {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  height: 100%;
  gap: 2rem;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 800;
  font-size: var(--size-lg);
  color: var(--color-primary);
  text-decoration: none;
  white-space: nowrap;
}

.nav-logo:hover {
  color: var(--color-primary);
}

.nav-logo svg {
  width: 28px;
  height: 28px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
  flex: 1;
}

.nav-links a {
  display: inline-block;
  padding: 0.5rem 0.875rem;
  font-size: var(--size-sm);
  font-weight: 500;
  color: var(--color-text-light);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.nav-links a:hover {
  color: var(--color-primary);
  background: var(--color-bg-alt);
}

.nav-links a.active {
  color: var(--color-accent-dark);
  background: rgba(0, 188, 212, 0.08);
  font-weight: 600;
}

.nav-github {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  font-size: var(--size-sm);
  font-weight: 500;
  color: var(--color-text-light);
  padding: 0.5rem 0.875rem;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.nav-github:hover {
  color: var(--color-primary);
  background: var(--color-bg-alt);
}

.nav-github svg {
  width: 20px;
  height: 20px;
}

/* Mobile Nav Toggle */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  color: var(--color-text);
}

.nav-toggle svg {
  width: 24px;
  height: 24px;
}

/* --- Hero Section --- */
.hero {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 40%, var(--color-primary-light) 100%);
  color: #fff;
  padding: 5rem 1.5rem 4rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(ellipse at 30% 50%, rgba(0,188,212,0.12) 0%, transparent 60%),
              radial-gradient(ellipse at 70% 30%, rgba(79,195,247,0.08) 0%, transparent 50%);
  pointer-events: none;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.hero h1 {
  font-size: var(--size-5xl);
  color: #fff;
  margin-bottom: 1.25rem;
  letter-spacing: -0.02em;
}

.hero .subtitle {
  font-size: var(--size-lg);
  color: rgba(255, 255, 255, 0.8);
  max-width: 640px;
  margin: 0 auto 2rem;
  line-height: 1.6;
}

.hero-ctas {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  font-size: var(--size-base);
  font-weight: 600;
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: all var(--transition-base);
  cursor: pointer;
  border: 2px solid transparent;
}

.btn-primary {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}

.btn-primary:hover {
  background: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(0,188,212,0.3);
}

.btn-outline {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.4);
}

.btn-outline:hover {
  border-color: #fff;
  color: #fff;
  background: rgba(255,255,255,0.08);
  transform: translateY(-1px);
}

/* --- Terminal Animation in Hero --- */
.hero-terminal {
  max-width: 560px;
  margin: 0 auto;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-bg-code);
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
  text-align: left;
}

.hero-terminal .terminal-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: #16162a;
}

.hero-terminal .terminal-bar .dots {
  display: flex;
  gap: 6px;
}

.hero-terminal .terminal-bar .dots span {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.hero-terminal .terminal-bar .dots span:nth-child(1) { background: #ff5f57; }
.hero-terminal .terminal-bar .dots span:nth-child(2) { background: #febc2e; }
.hero-terminal .terminal-bar .dots span:nth-child(3) { background: #28c840; }

.hero-terminal .terminal-bar .title {
  font-family: var(--font-mono);
  font-size: var(--size-xs);
  color: var(--color-text-muted);
  margin-left: 8px;
}

.hero-terminal .terminal-body {
  padding: 1.25rem 1.5rem;
  font-family: var(--font-mono);
  font-size: var(--size-sm);
  line-height: 1.8;
  color: #c9d1d9;
}

.hero-terminal .terminal-body .prompt {
  color: var(--color-success);
}

.hero-terminal .terminal-body .cmd {
  color: var(--color-accent-light);
}

.hero-terminal .terminal-body .output {
  color: var(--color-text-muted);
}

.hero-terminal .terminal-body .cursor {
  display: inline-block;
  width: 8px;
  height: 18px;
  background: var(--color-accent-light);
  vertical-align: text-bottom;
  animation: blink 1s step-end infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* --- Section Layout --- */
.section {
  padding: 4rem 1.5rem;
}

.section-alt {
  background: var(--color-bg-alt);
}

.section-inner {
  max-width: var(--content-max);
  margin: 0 auto;
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 3rem;
}

.section-header h2 {
  margin-top: 0;
}

.section-header p {
  color: var(--color-text-light);
  font-size: var(--size-lg);
}

/* --- Feature Cards Grid --- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.feature-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: all var(--transition-base);
}

.feature-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.feature-card .feature-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(0,188,212,0.1), rgba(30,58,95,0.08));
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  font-size: 1.5rem;
}

.feature-card h3 {
  font-size: var(--size-lg);
  margin-top: 0;
  margin-bottom: 0.5rem;
}

.feature-card p {
  color: var(--color-text-light);
  font-size: var(--size-sm);
  margin-bottom: 0;
  line-height: 1.6;
}

/* --- Architecture Diagram --- */
.architecture {
  background: var(--color-bg-code);
  border-radius: var(--radius-lg);
  padding: 2rem;
  overflow-x: auto;
  margin: 1.5rem 0;
  box-shadow: var(--shadow-md);
}

.architecture pre {
  font-family: var(--font-mono);
  font-size: var(--size-sm);
  color: #c9d1d9;
  line-height: 1.5;
  margin: 0;
  padding: 0;
  background: none;
}

/* --- Quick Example --- */
.example-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin: 1.5rem 0;
}

/* --- Use Cases --- */
.use-cases-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

.use-case-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 1.25rem;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.use-case-item:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-sm);
}

.use-case-item .icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, rgba(0,188,212,0.12), rgba(30,58,95,0.06));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent-dark);
  font-size: 1.25rem;
}

.use-case-item h4 {
  font-size: var(--size-base);
  margin: 0 0 0.25rem;
}

.use-case-item p {
  font-size: var(--size-sm);
  color: var(--color-text-light);
  margin: 0;
}

/* --- Footer --- */
.site-footer {
  background: var(--color-primary-dark);
  color: rgba(255,255,255,0.7);
  padding: 3rem 1.5rem;
}

.footer-inner {
  max-width: var(--content-max);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-inner a {
  color: var(--color-accent-light);
}

.footer-inner a:hover {
  color: #fff;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links a {
  font-size: var(--size-sm);
}

/* --- Page Layout with Sidebar --- */
.page-layout {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 2rem 1.5rem;
  display: grid;
  grid-template-columns: var(--sidebar-width) 1fr;
  gap: 3rem;
  min-height: calc(100vh - var(--nav-height) - 200px);
}

/* --- Sidebar --- */
.sidebar {
  position: sticky;
  top: calc(var(--nav-height) + 1.5rem);
  align-self: start;
  max-height: calc(100vh - var(--nav-height) - 3rem);
  overflow-y: auto;
  padding-right: 1rem;
  font-size: var(--size-sm);
}

.sidebar::-webkit-scrollbar {
  width: 4px;
}

.sidebar::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: 4px;
}

.sidebar-section {
  margin-bottom: 1.5rem;
}

.sidebar-section h4 {
  font-size: var(--size-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  margin: 0 0 0.5rem;
  font-weight: 600;
}

.sidebar-section ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.sidebar-section li {
  margin: 0;
}

.sidebar-section a {
  display: block;
  padding: 0.35rem 0.75rem;
  color: var(--color-text-light);
  border-left: 2px solid transparent;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  transition: all var(--transition-fast);
}

.sidebar-section a:hover {
  color: var(--color-primary);
  background: var(--color-bg-alt);
  border-left-color: var(--color-border);
}

.sidebar-section a.active {
  color: var(--color-accent-dark);
  background: rgba(0,188,212,0.06);
  border-left-color: var(--color-accent);
  font-weight: 500;
}

/* --- Content Area --- */
.content {
  min-width: 0;
  padding-bottom: 4rem;
}

.content h1 {
  font-size: var(--size-4xl);
  border-bottom: 2px solid var(--color-border);
  padding-bottom: 0.75rem;
  margin-bottom: 1.5rem;
}

.content h2 {
  margin-top: 3rem;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border-light);
}

.content h2:first-of-type {
  border-top: none;
  margin-top: 2rem;
}

/* --- Tables --- */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.25rem 0;
  font-size: var(--size-sm);
}

thead {
  background: var(--color-bg-alt);
}

th, td {
  text-align: left;
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border);
}

th {
  font-weight: 600;
  color: var(--color-primary);
}

tr:hover td {
  background: var(--color-bg-alt);
}

/* --- Callout Boxes --- */
.callout {
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  margin: 1.25rem 0;
  font-size: var(--size-sm);
  border-left: 4px solid;
}

.callout-info {
  background: rgba(0,188,212,0.06);
  border-left-color: var(--color-accent);
  color: var(--color-primary);
}

.callout-warning {
  background: rgba(245,158,11,0.06);
  border-left-color: var(--color-warning);
  color: #92400e;
}

.callout-tip {
  background: rgba(16,185,129,0.06);
  border-left-color: var(--color-success);
  color: #065f46;
}

.callout strong {
  display: block;
  margin-bottom: 0.25rem;
}

/* --- Step Indicators --- */
.steps {
  counter-reset: step-counter;
  margin: 1.5rem 0;
}

.step {
  counter-increment: step-counter;
  position: relative;
  padding-left: 3.5rem;
  margin-bottom: 2.5rem;
}

.step::before {
  content: counter(step-counter);
  position: absolute;
  left: 0;
  top: 0;
  width: 2.25rem;
  height: 2.25rem;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  color: #fff;
  font-weight: 700;
  font-size: var(--size-sm);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.step h3 {
  margin-top: 0;
  font-size: var(--size-xl);
}

/* --- Fade-in Animations --- */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* --- Badge / Label --- */
.badge {
  display: inline-block;
  font-size: var(--size-xs);
  font-weight: 600;
  padding: 0.2em 0.6em;
  border-radius: var(--radius-sm);
  background: rgba(0,188,212,0.1);
  color: var(--color-accent-dark);
}

/* --- Next/Prev Links --- */
.page-nav {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
}

.page-nav a {
  display: flex;
  flex-direction: column;
  padding: 1rem 1.25rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  max-width: 48%;
}

.page-nav a:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-sm);
}

.page-nav .label {
  font-size: var(--size-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.page-nav .title {
  font-weight: 600;
  color: var(--color-primary);
}

.page-nav .next {
  text-align: right;
  margin-left: auto;
}

/* --- Tutorial Cards --- */
.tutorial-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  margin-bottom: 1.5rem;
  transition: all var(--transition-base);
}

.tutorial-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-md);
}

.tutorial-card h3 {
  margin-top: 0;
}

.tutorial-card .meta {
  display: flex;
  gap: 1rem;
  margin-bottom: 0.75rem;
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .page-layout {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    max-height: none;
    padding-right: 0;
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 1rem;
    margin-bottom: 1rem;
  }
}

@media (max-width: 768px) {
  :root {
    --nav-height: 56px;
  }

  .hero {
    padding: 3rem 1rem 2.5rem;
  }

  .hero h1 {
    font-size: var(--size-3xl);
  }

  .hero .subtitle {
    font-size: var(--size-base);
  }

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

  .use-cases-grid {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 2.5rem 1rem;
  }

  .nav-links {
    display: none;
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    padding: 1rem;
    box-shadow: var(--shadow-lg);
    z-index: 99;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    padding: 0.75rem 1rem;
    font-size: var(--size-base);
  }

  .nav-toggle {
    display: block;
    margin-left: auto;
  }

  .nav-github {
    display: none;
  }

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }

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

  .page-nav a {
    max-width: 100%;
  }

  .content h1 {
    font-size: var(--size-3xl);
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: var(--size-2xl);
  }

  .hero-ctas {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
    justify-content: center;
  }

  table {
    display: block;
    overflow-x: auto;
  }
}

/* --- Prism Theme Overrides --- */
pre[class*="language-"],
code[class*="language-"] {
  font-family: var(--font-mono);
}

.token.comment,
.token.prolog,
.token.doctype,
.token.cdata {
  color: #6a737d;
}

/* --- Utility --- */
.text-center { text-align: center; }
.text-muted { color: var(--color-text-light); }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

/* --- Version Badge in Nav --- */
.version-badge {
  font-size: var(--size-xs);
  font-weight: 500;
  color: var(--color-text-muted);
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  padding: 0.15em 0.5em;
  border-radius: var(--radius-sm);
  margin-left: 0.25rem;
  vertical-align: middle;
}