/* Modern Minuteman — Systems Document Design System */

/* ========================================
   Font Loading
   ======================================== */

@font-face {
  font-family: 'Berkeley Mono';
  src: url('../fonts/BerkeleyMono-Regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Berkeley Mono';
  src: url('../fonts/BerkeleyMono-Bold.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Berkeley Mono';
  src: url('../fonts/BerkeleyMono-Oblique.woff2') format('woff2');
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}

@font-face {
  font-family: 'Berkeley Mono';
  src: url('../fonts/BerkeleyMono-Bold-Oblique.woff2') format('woff2');
  font-weight: 700;
  font-style: italic;
  font-display: swap;
}

/* ========================================
   CSS Variables / Design Tokens
   ======================================== */

:root {
  /* Colors */
  --bg-primary: #0C0C0C;
  --bg-elevated: #161616;
  --bg-surface: #1E1E1E;
  --bg-hover: #282828;
  
  --fg-primary: #EEECE8;
  --fg-secondary: #C8C5BC;
  --fg-muted: #9A9890;
  --fg-dim: #706E66;
  
  --accent-primary: #D4B36A;
  --accent-secondary: #B89850;
  --accent-dim: rgba(212, 179, 106, 0.18);
  --accent-glow: rgba(212, 179, 106, 0.30);
  
  --border-primary: #3A3A38;
  --border-light: #4A4A48;
  --border-accent: var(--accent-primary);
  
  --success: #6B8E6B;
  --warning: #C9A861;
  --error: #A86B6B;
  
  /* Typography */
  --font-mono: 'Berkeley Mono', ui-monospace, 'SF Mono', 'Cascadia Code', 'Source Code Pro', monospace;
  
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.375rem;
  --text-2xl: 1.75rem;
  --text-3xl: 2.25rem;
  --text-4xl: 3rem;
  --text-5xl: 3.5rem;
  
  --leading-tight: 1.25;
  --leading-normal: 1.5;
  --leading-relaxed: 1.65;
  
  --tracking-tight: -0.02em;
  --tracking-normal: 0;
  --tracking-wide: 0.05em;
  --tracking-wider: 0.1em;
  --tracking-widest: 0.18em;
  
  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  
  /* Layout */
  --max-width: 1200px;
  --max-width-narrow: 800px;
  --max-width-wide: 1400px;
  
  /* Effects */
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.5);
  --shadow-glow: 0 0 20px var(--accent-glow);
  
  --transition-fast: 0.1s ease;
  --transition-base: 0.15s ease;
  --transition-slow: 0.25s ease;
}

/* ========================================
   Base / Reset
   ======================================== */

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

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

@media (min-width: 1200px) {
  html { font-size: 17px; }
}

body {
  font-family: var(--font-mono);
  background: var(--bg-primary);
  color: var(--fg-primary);
  line-height: var(--leading-relaxed);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
}

/* ========================================
   Typography
   ======================================== */

h1, h2, h3, h4, h5, h6 {
  font-weight: 400;
  line-height: var(--leading-tight);
}

h1 { font-size: var(--text-3xl); letter-spacing: var(--tracking-tight); }
h2 { font-size: var(--text-2xl); letter-spacing: var(--tracking-tight); }
h3 { font-size: var(--text-xl); font-weight: 700; }
h4 { font-size: var(--text-lg); font-weight: 700; }

p { max-width: 65ch; }

a {
  color: inherit;
  text-decoration: none;
}

strong, b { font-weight: 700; }
em, i { font-style: italic; }

code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background: var(--bg-elevated);
  padding: 0.1em 0.3em;
  border-radius: 2px;
}

pre {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  line-height: 1.4;
  overflow-x: auto;
  white-space: pre;
}

/* ========================================
   Layout Components
   ======================================== */

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-8);
}

.container--narrow { max-width: var(--max-width-narrow); }
.container--wide { max-width: var(--max-width-wide); }

/* ========================================
   Site Header
   ======================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(12, 12, 12, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-primary);
}

.site-header__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-5) 0;
  max-width: var(--max-width-wide);
  margin: 0 auto;
  padding-left: var(--space-8);
  padding-right: var(--space-8);
}

.site-header__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--fg-primary);
  transition: color var(--transition-base);
}

.site-header__logo-img {
  height: 28px;
  width: auto;
}

.site-header__logo-text {
  font-size: var(--text-base);
  font-weight: 700;
  letter-spacing: var(--tracking-wider);
}

.site-header__logo:hover {
  color: var(--accent-primary);
}

.site-header__nav {
  display: flex;
  gap: var(--space-2);
}

.site-header__nav a {
  color: var(--fg-muted);
  font-size: var(--text-sm);
  padding: var(--space-2) var(--space-4);
  border: 1px solid transparent;
  transition: all var(--transition-base);
}

.site-header__nav a:hover {
  color: var(--fg-primary);
  border-color: var(--border-primary);
}

.site-header__nav a.is-active {
  color: var(--accent-primary);
  border-color: var(--accent-primary);
}

.site-header__nav a.nav-primary {
  color: var(--accent-primary);
  font-weight: 700;
  border-color: var(--accent-dim);
  background: var(--accent-dim);
}

.site-header__nav a.nav-primary:hover {
  border-color: var(--accent-primary);
  background: var(--accent-dim);
}

.site-header__nav a.nav-primary.is-active {
  border-color: var(--accent-primary);
}

.site-header__nav .nav-disconnect,
.site-header__nav button.nav-disconnect {
  color: var(--fg-muted);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  padding: var(--space-2) var(--space-4);
  border: 1px solid transparent;
  background: transparent;
  cursor: pointer;
  transition: all var(--transition-base);
}

.site-header__nav .nav-disconnect:hover {
  color: var(--fg-primary);
  border-color: var(--border-primary);
}

/* Mobile menu toggle */
.site-header__toggle {
  display: none;
  background: none;
  border: 1px solid var(--border-primary);
  color: var(--fg-primary);
  padding: var(--space-2) var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  cursor: pointer;
}

/* ========================================
   Section Components
   ======================================== */

.section {
  padding: var(--space-20) 0;
}

.section--hero {
  padding-top: var(--space-24);
  padding-bottom: var(--space-24);
}

.section--compact {
  padding: var(--space-12) 0;
}

/* Large desktop: even more breathing room */
@media (min-width: 1200px) {
  .section { padding: var(--space-24) 0; }
  .section--hero { padding-top: 8rem; padding-bottom: 6rem; }
}

.section__header {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.section__number {
  color: var(--accent-primary);
  font-size: var(--text-sm);
  font-weight: 700;
}

.section__title {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  color: var(--fg-muted);
}

.section__line {
  flex: 1;
  height: 1px;
  background: var(--border-primary);
}

/* ========================================
   Cards
   ======================================== */

.card {
  background: var(--bg-elevated);
  border: 1px solid var(--border-primary);
  padding: var(--space-8);
  transition: all var(--transition-base);
}

.card:hover {
  border-color: var(--border-light);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.card--interactive {
  cursor: pointer;
}

.card--interactive:hover {
  border-color: var(--accent-primary);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
}

.card--featured {
  border-color: var(--accent-primary);
}

.card--highlight {
  border-color: var(--accent-primary);
  background: linear-gradient(135deg, var(--bg-elevated) 0%, rgba(212, 179, 106, 0.08) 100%);
}

.card__label {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  color: var(--fg-muted);
  margin-bottom: var(--space-2);
}

.card__title {
  font-size: var(--text-base);
  font-weight: 700;
  margin-bottom: var(--space-2);
}

.card__desc {
  font-size: var(--text-sm);
  color: var(--fg-muted);
  line-height: var(--leading-normal);
}

.card__meta {
  font-size: var(--text-xs);
  color: var(--fg-dim);
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--border-primary);
}

.card__price {
  margin-top: var(--space-4);
}

.card__price-value {
  font-size: var(--text-3xl);
  font-weight: 700;
}

.card__price-period {
  color: var(--fg-muted);
}

/* ========================================
   Grid Layouts
   ======================================== */

.grid {
  display: grid;
  gap: var(--space-6);
}

.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

@media (min-width: 1200px) {
  .grid { gap: var(--space-8); }
}

/* ========================================
   Buttons / CTAs
   ======================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: var(--tracking-wide);
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.btn:hover { transform: translateY(-2px); }

.btn:focus {
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
}

.btn--primary {
  background: var(--accent-primary);
  color: var(--bg-primary);
}

.btn--primary:hover { box-shadow: var(--shadow-glow); }

.btn--secondary {
  background: transparent;
  color: var(--fg-primary);
  border: 1px solid var(--border-primary);
}

.btn--secondary:hover {
  border-color: var(--fg-primary);
  box-shadow: none;
}

.btn--large {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
}

.btn--full { width: 100%; }

.btn__icon {
  transition: transform var(--transition-base);
}

.btn:hover .btn__icon { transform: translateX(3px); }

/* ========================================
   Statement / Callout Blocks
   ======================================== */

.statement {
  border: 1px solid var(--accent-primary);
  background: var(--accent-dim);
  padding: var(--space-10);
  text-align: center;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

@media (min-width: 800px) {
  .statement { padding: var(--space-12); }
}

.statement__text {
  font-size: var(--text-xl);
  line-height: var(--leading-relaxed);
}

.statement__text strong {
  color: var(--accent-primary);
}

/* ========================================
   Diagrams (ASCII Art Boxes)
   ======================================== */

.diagram {
  background: var(--bg-elevated);
  border: 1px solid var(--border-primary);
  padding: var(--space-6);
  overflow-x: auto;
}

.diagram__header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
  color: var(--fg-muted);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
}

.diagram__header::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border-primary);
}

.diagram__content {
  font-size: var(--text-sm);
  line-height: 1.5;
}

@media (min-width: 800px) {
  .diagram__content { font-size: var(--text-base); }
}

/* ========================================
   Feature Lists
   ======================================== */

.feature-list {
  list-style: none;
}

.feature-list__item {
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--border-primary);
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-4);
  align-items: start;
}

.feature-list__item:last-child { border-bottom: none; }

.feature-list__marker {
  color: var(--accent-primary);
  font-size: var(--text-sm);
  font-weight: 700;
  min-width: 2rem;
}

.feature-list__marker--dim { color: var(--fg-dim); }

.feature-list__content h3,
.feature-list__content h4 {
  font-size: var(--text-base);
  margin-bottom: var(--space-1);
}

.feature-list__content p {
  font-size: var(--text-sm);
  color: var(--fg-muted);
}

/* ========================================
   Episode Cards (Field Notes)
   ======================================== */

.episode-card {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-6);
  align-items: start;
  padding: var(--space-6);
  background: var(--bg-elevated);
  border: 1px solid var(--border-primary);
  transition: border-color var(--transition-base);
}

.episode-card:hover { border-color: var(--accent-primary); }

.episode-card__meta {
  font-size: var(--text-xs);
  color: var(--fg-muted);
  margin-bottom: var(--space-2);
}

.episode-card__title {
  font-size: var(--text-base);
  font-weight: 700;
  margin-bottom: var(--space-2);
}

.episode-card__desc {
  font-size: var(--text-sm);
  color: var(--fg-muted);
  line-height: var(--leading-normal);
}

.episode-card__duration {
  font-size: var(--text-xs);
  color: var(--fg-dim);
  text-align: center;
  padding: var(--space-4);
  background: var(--bg-surface);
  border: 1px solid var(--border-primary);
  min-width: 80px;
}

/* ========================================
   Video Embed
   ======================================== */

.video-container {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  background: var(--bg-elevated);
  border: 1px solid var(--border-primary);
}

.video-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

/* ========================================
   Quote Blocks
   ======================================== */

.quote {
  border-left: 2px solid var(--accent-primary);
  padding-left: var(--space-6);
  margin: var(--space-6) 0;
}

.quote__text {
  font-size: var(--text-lg);
  font-style: italic;
  color: var(--fg-secondary);
}

.quote__attribution {
  margin-top: var(--space-3);
  font-size: var(--text-sm);
  color: var(--fg-muted);
}

/* ========================================
   Pricing Cards
   ======================================== */

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
  max-width: 700px;
}

.pricing-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border-primary);
  padding: var(--space-8);
}

.pricing-card--featured {
  border-color: var(--accent-primary);
}

.pricing-card__label {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  color: var(--fg-muted);
}

.pricing-card__price {
  margin-top: var(--space-4);
}

.pricing-card__amount {
  font-size: var(--text-3xl);
  font-weight: 700;
}

.pricing-card__period {
  color: var(--fg-muted);
}

.pricing-card__desc {
  font-size: var(--text-sm);
  color: var(--fg-muted);
  margin-top: var(--space-4);
}

/* ========================================
   Site Footer
   ======================================== */

.site-footer {
  padding: var(--space-16) 0 var(--space-8);
  margin-top: var(--space-20);
  background: var(--bg-primary);
  border-top: 1px solid var(--border-primary);
}

.site-footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-6);
}

.site-footer__org {
  color: var(--fg-muted);
  font-size: var(--text-sm);
}

.site-footer__org a {
  color: var(--accent-primary);
  text-decoration: none;
  transition: color var(--transition-base);
}

.site-footer__org a:hover { color: var(--accent-primary); }

.site-footer__nav {
  display: flex;
  gap: var(--space-8);
}

.site-footer__nav a {
  color: var(--fg-muted);
  font-size: var(--text-sm);
  transition: color var(--transition-base);
}

.site-footer__nav a:hover { color: var(--accent-primary); }

/* Footer Grid Layout */
.site-footer__grid {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-8);
  margin-bottom: var(--space-12);
  text-align: center;
}

@media (min-width: 480px) {
  .site-footer__grid {
    flex-direction: row;
    justify-content: center;
    align-items: flex-start;
    text-align: left;
    gap: var(--space-10);
  }
}

@media (min-width: 800px) {
  .site-footer__grid {
    gap: var(--space-16);
  }
}

@media (min-width: 1200px) {
  .site-footer__grid {
    gap: var(--space-24);
  }
}

.site-footer__section {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.site-footer__heading {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  color: var(--accent-primary);
  font-weight: 700;
}

.site-footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.site-footer__links a {
  color: var(--fg-muted);
  font-size: var(--text-sm);
  transition: color var(--transition-base);
}

.site-footer__links a:hover {
  color: var(--fg-primary);
}

.site-footer__bottom {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
  padding-top: var(--space-8);
  text-align: center;
}

.site-footer__brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--fg-dim);
  font-size: var(--text-sm);
}

.site-footer__brand-mark {
  width: 24px;
  height: 24px;
  opacity: 0.6;
}

.site-footer__copyright {
  font-size: var(--text-xs);
  color: var(--fg-dim);
  letter-spacing: 0.05em;
}

/* ========================================
   Utility Classes
   ======================================== */

.text-accent { color: var(--accent-primary); }
.text-muted { color: var(--fg-muted); }
.text-dim { color: var(--fg-dim); }
.text-secondary { color: var(--fg-secondary); }

.text-xs { font-size: var(--text-xs); }
.text-sm { font-size: var(--text-sm); }
.text-base { font-size: var(--text-base); }
.text-lg { font-size: var(--text-lg); }
.text-xl { font-size: var(--text-xl); }
.text-2xl { font-size: var(--text-2xl); }
.text-3xl { font-size: var(--text-3xl); }

.font-bold { font-weight: 700; }
.font-normal { font-weight: 400; }

.uppercase { text-transform: uppercase; }
.tracking-wide { letter-spacing: var(--tracking-wide); }
.tracking-wider { letter-spacing: var(--tracking-wider); }
.tracking-widest { letter-spacing: var(--tracking-widest); }

.mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.mt-10 { margin-top: var(--space-10); }

.mb-2 { margin-bottom: var(--space-2); }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }

.flex { display: flex; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.items-start { align-items: start; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

.text-center { text-align: center; }

.link {
  text-decoration: underline;
  text-underline-offset: 2px;
}

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

/* ========================================
   Responsive
   ======================================== */

@media (max-width: 800px) {
  html { font-size: 14px; }
  
  .container { padding: 0 var(--space-5); }
  
  .site-header__inner {
    flex-wrap: wrap;
    gap: var(--space-4);
  }
  
  .site-header__toggle { display: block; }
  
  .site-header__nav {
    display: none;
    width: 100%;
    flex-direction: column;
  }
  
  .site-header__nav.is-open { display: flex; }
  
  .site-header__nav a {
    text-align: center;
    padding: var(--space-3);
    border: 1px solid var(--border-primary);
  }
  
  .section { padding: var(--space-10) 0; }
  .section--hero { padding-top: var(--space-12); }
  
  .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }
  
  .pricing-grid { grid-template-columns: 1fr; }
  
  .episode-card {
    grid-template-columns: 1fr;
  }
  
  .episode-card__duration {
    width: 100%;
  }
  
  .site-footer__inner {
    flex-direction: column;
    text-align: center;
  }
  
  .site-footer__nav {
    flex-wrap: wrap;
    justify-content: center;
  }
}

/* ========================================
   Accessibility
   ======================================== */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  
  *, *::before, *::after {
    transition: none !important;
    animation: none !important;
  }
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

:focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: var(--space-4);
  background: var(--accent-primary);
  color: var(--bg-primary);
  padding: var(--space-3) var(--space-4);
  z-index: 1000;
  font-weight: 700;
}

.skip-link:focus { top: var(--space-4); }

/* ========================================
   Page-Specific: Book
   ======================================== */

/* Book Hero Layout */
.book-hero {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
  align-items: center;
}

.book-hero > div:first-child {
  text-align: center;
}

.book-hero .cta-group {
  justify-content: center;
}

@media (min-width: 800px) {
  .book-hero {
    flex-direction: row;
    gap: var(--space-10);
    align-items: flex-start;
    justify-content: center;
  }
  
  .book-hero > div:first-child {
    text-align: left;
    flex: 0 1 400px;
  }
  
  .book-hero .cta-group {
    justify-content: flex-start;
  }
  
  .book-hero .book-cover {
    flex-shrink: 0;
  }
}

@media (min-width: 1000px) {
  .book-hero {
    gap: var(--space-12);
  }
  
  .book-hero > div:first-child {
    flex: 0 1 480px;
  }
}

.book-cover {
  display: flex;
  max-width: 320px;
  aspect-ratio: 0.7;
  box-shadow: 
    4px 4px 0 0 rgba(0,0,0,0.3),
    8px 8px 0 0 rgba(0,0,0,0.15);
}

.book-cover__spine {
  width: 24px;
  background: linear-gradient(
    to right,
    var(--accent-secondary) 0%,
    var(--accent-primary) 30%,
    var(--accent-secondary) 100%
  );
  flex-shrink: 0;
}

.book-cover__front {
  flex: 1;
  background: var(--bg-primary);
  border: 2px solid var(--accent-primary);
  border-left: none;
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.book-cover__classification {
  font-size: 0.6rem;
  letter-spacing: var(--tracking-widest);
  color: var(--fg-dim);
  text-transform: uppercase;
}

.book-cover__title {
  font-size: var(--text-2xl);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: var(--tracking-tight);
  color: var(--fg-primary);
  margin-top: auto;
}

.book-cover__subtitle {
  font-size: var(--text-xs);
  color: var(--accent-primary);
  margin-top: var(--space-3);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
}

.book-cover__author {
  font-size: var(--text-sm);
  color: var(--fg-secondary);
  margin-top: var(--space-6);
  letter-spacing: var(--tracking-wide);
}

.book-cover__publisher {
  font-size: 0.6rem;
  color: var(--fg-dim);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  margin-top: auto;
  padding-top: var(--space-6);
  border-top: 1px solid var(--border-primary);
}

/* ========================================
   Page-Specific: Link Interface
   ======================================== */

.form-field {
  margin-bottom: var(--space-4);
}

.form-field label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 700;
  margin-bottom: var(--space-2);
}

.form-field input {
  width: 100%;
  padding: var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-base);
  background: var(--bg-elevated);
  border: 1px solid var(--border-primary);
  color: var(--fg-primary);
}

.form-field input:focus {
  outline: none;
  border-color: var(--accent-primary);
}

/* ========================================
   Hero Enhancements
   ======================================== */

.hero-title {
  font-size: var(--text-4xl);
  font-weight: 400;
  letter-spacing: var(--tracking-tight);
  line-height: 1.1;
}

@media (min-width: 800px) {
  .hero-title { font-size: var(--text-5xl); }
}

.hero-subtitle {
  font-size: var(--text-xl);
  color: var(--accent-primary);
  margin-top: var(--space-4);
}

@media (min-width: 800px) {
  .hero-subtitle { font-size: var(--text-2xl); }
}

.hero-desc {
  font-size: var(--text-lg);
  color: var(--fg-muted);
  margin-top: var(--space-6);
  max-width: 55ch;
  margin-left: auto;
  margin-right: auto;
}

/* ========================================
   Wide Container for Hero
   ======================================== */

.container--hero {
  max-width: var(--max-width-wide);
}

/* ========================================
   Enhanced Section Headers
   ======================================== */

.section__header {
  margin-bottom: var(--space-8);
}

@media (min-width: 800px) {
  .section__header { margin-bottom: var(--space-10); }
}

/* ========================================
   Pricing Card Enhancements
   ======================================== */

.pricing-grid {
  max-width: 800px;
  margin: 0 auto;
}

.pricing-card {
  padding: var(--space-10);
}

.pricing-card__amount {
  font-size: var(--text-4xl);
}

/* ========================================
   Button Enhancements
   ======================================== */

.btn--large {
  padding: var(--space-5) var(--space-10);
  font-size: var(--text-lg);
}

/* ========================================
   Subtle Animations
   ======================================== */

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-in {
  animation: fadeInUp 0.5s ease forwards;
}

/* ========================================
   Additional Utilities
   ======================================== */

.text-4xl { font-size: var(--text-4xl); }
.text-5xl { font-size: var(--text-5xl); }

.max-w-prose { max-width: 65ch; }
.max-w-narrow { max-width: var(--max-width-narrow); }

.mx-auto { margin-left: auto; margin-right: auto; }

.py-section { padding-top: var(--space-20); padding-bottom: var(--space-20); }

.border-accent { border-color: var(--accent-primary); }

/* ========================================
   Document Classification Headers
   ======================================== */

.doc-header {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  flex-wrap: wrap;
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  color: var(--fg-dim);
  margin-bottom: var(--space-10);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--border-primary);
}

.doc-header__separator {
  color: var(--fg-dim);
}

.doc-header__status {
  color: var(--accent-primary);
}

/* ========================================
   Hero Centered Layout
   ======================================== */

.hero-centered {
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
}

.hero-centered .hero-title {
  font-size: var(--text-3xl);
  line-height: 1.15;
}

@media (min-width: 800px) {
  .hero-centered .hero-title {
    font-size: var(--text-4xl);
  }
}

@media (min-width: 1200px) {
  .hero-centered .hero-title {
    font-size: var(--text-5xl);
  }
}

/* Center all paragraphs inside hero-centered (they inherit max-width: 65ch from base p) */
.hero-centered p {
  margin-left: auto;
  margin-right: auto;
}

/* ========================================
   Hero Split Layout
   ======================================== */

.hero-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
  align-items: center;
}

@media (min-width: 900px) {
  .hero-split {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
  }
}

.hero-split__content {
  text-align: left;
}

.hero-split__content .hero-title {
  font-size: var(--text-2xl);
  line-height: 1.2;
}

@media (min-width: 900px) {
  .hero-split__content .hero-title {
    font-size: var(--text-3xl);
  }
}

.hero-split__content .hero-cta {
  text-align: left;
}

.hero-split__content .next-call {
  align-items: flex-start;
}

.text-center .next-call {
  margin-left: auto;
  margin-right: auto;
}

.hero-split__video {
  width: 100%;
}

.video-embed {
  position: relative;
  padding-bottom: 56.25%; /* 16:9 aspect ratio */
  height: 0;
  overflow: hidden;
  border: 1px solid var(--border-primary);
  background: var(--bg-elevated);
}

.video-embed iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

/* ========================================
   Next Call Indicator
   ======================================== */

.next-call {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-8);
  background: var(--bg-elevated);
  border: 1px solid var(--border-primary);
}

.next-call__label {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  color: var(--fg-dim);
}

.next-call__time {
  font-size: var(--text-sm);
  color: var(--accent-primary);
  font-weight: 700;
}

/* ========================================
   Situation Block
   ======================================== */

.situation-block {
  max-width: 800px;
  margin: 0 auto;
}

.situation-block__status {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  color: var(--error);
  margin-bottom: var(--space-6);
  padding: var(--space-2) var(--space-4);
  background: rgba(168, 107, 107, 0.1);
  border: 1px solid var(--error);
  display: inline-block;
}

/* ========================================
   Decision Matrix (Elevated Diagram)
   ======================================== */

.decision-matrix {
  background: var(--bg-elevated);
  border: 1px solid var(--border-primary);
  overflow: hidden;
}

.decision-matrix__header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-6);
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-primary);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  color: var(--fg-muted);
}

.decision-matrix__icon {
  color: var(--accent-primary);
}

.decision-matrix__content {
  padding: var(--space-6);
}

.decision-matrix__row {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-3) 0;
  font-size: var(--text-base);
}

.decision-matrix__row:not(:last-child) {
  border-bottom: 1px solid var(--border-primary);
}

.decision-matrix__marker {
  font-weight: 700;
  min-width: 2.5rem;
}

.decision-matrix__row--rejected {
  color: var(--fg-dim);
}

.decision-matrix__row--rejected .decision-matrix__marker {
  color: var(--error);
}

.decision-matrix__row--selected {
  color: var(--fg-primary);
}

.decision-matrix__row--selected .decision-matrix__marker {
  color: var(--success);
}

/* ========================================
   Proof Stats
   ======================================== */

.proof-stats {
  display: flex;
  justify-content: center;
  gap: var(--space-12);
  flex-wrap: wrap;
}

.proof-stats__item {
  text-align: center;
}

.proof-stats__number {
  font-size: var(--text-4xl);
  font-weight: 700;
  color: var(--accent-primary);
  line-height: 1;
}

.proof-stats__label {
  font-size: var(--text-sm);
  color: var(--fg-muted);
  margin-top: var(--space-2);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
}

.proof-stats__detail {
  font-size: var(--text-xs);
  color: var(--fg-dim);
  margin-top: var(--space-1);
}

/* ========================================
   System Diagram (Elevated)
   ======================================== */

.system-diagram {
  background: var(--bg-elevated);
  border: 1px solid var(--border-primary);
  max-width: 700px;
}

.system-diagram__header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-6);
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-primary);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  color: var(--fg-muted);
}

.system-diagram__icon {
  color: var(--accent-primary);
}

.system-diagram__line {
  flex: 1;
  height: 1px;
  background: var(--border-primary);
}

.system-diagram__content {
  padding: var(--space-6);
}

.system-diagram__layer {
  padding: var(--space-6);
  border: 1px solid var(--border-primary);
}

.system-diagram__layer--primary {
  border-color: var(--accent-primary);
}

.system-diagram__layer--secondary {
  border-color: var(--border-light);
  text-align: center;
}

.system-diagram__layer-label {
  font-size: var(--text-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  margin-bottom: var(--space-4);
}

.system-diagram__layer--primary .system-diagram__layer-label {
  color: var(--accent-primary);
}

.system-diagram__layer-desc {
  font-size: var(--text-sm);
  color: var(--fg-muted);
}

.system-diagram__components {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}

@media (max-width: 600px) {
  .system-diagram__components {
    grid-template-columns: 1fr;
  }
}

.system-diagram__component {
  padding: var(--space-4);
  background: var(--bg-surface);
  border: 1px solid var(--border-primary);
}

.system-diagram__component-name {
  font-size: var(--text-sm);
  font-weight: 700;
}

.system-diagram__component-desc {
  font-size: var(--text-xs);
  color: var(--fg-dim);
  margin-top: var(--space-1);
}

.system-diagram__connector {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4) 0;
}

.system-diagram__connector-line {
  flex: 1;
  height: 1px;
  background: var(--border-primary);
}

.system-diagram__connector-label {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  color: var(--fg-dim);
}

/* ========================================
   Testimonial Block
   ======================================== */

.testimonial-block {
  max-width: 800px;
  margin: 0 auto;
  background: var(--bg-elevated);
  border: 1px solid var(--border-primary);
  border-left: 3px solid var(--accent-primary);
  padding: var(--space-8);
  position: relative;
}

.testimonial-block__badge {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  color: var(--fg-dim);
  padding: var(--space-1) var(--space-3);
  background: var(--bg-surface);
  border: 1px solid var(--border-primary);
}

.testimonial-block__quote {
  font-size: var(--text-lg);
  font-style: italic;
  color: var(--fg-secondary);
  line-height: var(--leading-relaxed);
  margin: 0;
  padding-right: var(--space-16);
}

@media (max-width: 600px) {
  .testimonial-block__quote {
    padding-right: 0;
    padding-top: var(--space-8);
  }
}

.testimonial-block__attribution {
  margin-top: var(--space-4);
  font-size: var(--text-sm);
  color: var(--fg-muted);
}

/* ========================================
   Journey Path (Vertical Timeline)
   ======================================== */

.journey-path {
  max-width: 500px;
  margin: 0 auto;
}

.journey-path__stage {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
}

.journey-path__stage-marker {
  width: 2rem;
  text-align: center;
  font-size: var(--text-lg);
  color: var(--fg-dim);
}

.journey-path__stage--active .journey-path__stage-marker {
  color: var(--accent-primary);
}

.journey-path__stage-content {
  flex: 1;
  padding-bottom: var(--space-2);
}

.journey-path__stage-label {
  font-size: var(--text-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
}

.journey-path__stage--active .journey-path__stage-label {
  color: var(--accent-primary);
}

.journey-path__stage-desc {
  font-size: var(--text-sm);
  color: var(--fg-muted);
  margin-top: var(--space-1);
}

.journey-path__stage-detail {
  font-size: var(--text-xs);
  color: var(--fg-dim);
  margin-top: var(--space-1);
}

.journey-path__connector {
  width: 2rem;
  height: var(--space-6);
  position: relative;
}

.journey-path__connector::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--border-primary);
  transform: translateX(-50%);
}

/* ========================================
   Final CTA
   ======================================== */

.final-cta {
  text-align: center;
  padding: var(--space-12);
  background: var(--bg-elevated);
  border: 1px solid var(--border-primary);
}

@media (min-width: 800px) {
  .final-cta {
    padding: var(--space-16);
  }
}

.final-cta__header {
  margin-bottom: var(--space-6);
}

.final-cta__classification {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  color: var(--accent-primary);
}

.final-cta__title {
  font-size: var(--text-xl);
  line-height: var(--leading-tight);
}

@media (min-width: 800px) {
  .final-cta__title {
    font-size: var(--text-2xl);
  }
}

.final-cta__text {
  font-size: var(--text-lg);
  color: var(--fg-muted);
}

.final-cta__text strong {
  color: var(--accent-primary);
}

/* ========================================
   Utility Additions
   ======================================== */

.mb-8 { margin-bottom: var(--space-8); }
.mb-10 { margin-bottom: var(--space-10); }
.justify-center { justify-content: center; }

/* ========================================
   Transformation Grid
   ======================================== */

.transformation-grid {
  background: var(--bg-elevated);
  border: 1px solid var(--border-primary);
}

.transformation-grid__header {
  padding: var(--space-4) var(--space-6);
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-primary);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  color: var(--fg-muted);
}

.transformation-grid__content {
  padding: var(--space-6);
}

.transformation-grid__row {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: var(--space-4);
  align-items: center;
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--border-primary);
}

.transformation-grid__row:last-child {
  border-bottom: none;
}

.transformation-grid__from {
  color: var(--fg-dim);
  font-size: var(--text-sm);
  text-align: right;
}

.transformation-grid__arrow {
  color: var(--accent-primary);
  font-size: var(--text-sm);
}

.transformation-grid__to {
  color: var(--fg-primary);
  font-size: var(--text-sm);
  font-weight: 700;
}

@media (max-width: 600px) {
  .transformation-grid__row {
    grid-template-columns: 1fr;
    text-align: left;
    gap: var(--space-1);
  }
  
  .transformation-grid__from {
    text-align: left;
  }
  
  .transformation-grid__arrow {
    display: none;
  }
  
  .transformation-grid__to::before {
    content: '--> ';
    color: var(--accent-primary);
  }
}

/* ========================================
   Contents Outline
   ======================================== */

.contents-outline {
  background: var(--bg-elevated);
  border: 1px solid var(--border-primary);
}

.contents-outline__header {
  padding: var(--space-4) var(--space-6);
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-primary);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  color: var(--fg-muted);
}

.contents-outline__content {
  padding: var(--space-6);
}

.contents-outline__part {
  margin-bottom: var(--space-6);
}

.contents-outline__part:last-child {
  margin-bottom: 0;
}

.contents-outline__part-title {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--accent-primary);
  margin-bottom: var(--space-3);
  letter-spacing: var(--tracking-wide);
}

.contents-outline__chapters {
  list-style: none;
  padding-left: var(--space-4);
  border-left: 1px solid var(--border-primary);
}

.contents-outline__chapters li {
  font-size: var(--text-sm);
  color: var(--fg-muted);
  padding: var(--space-2) 0;
  padding-left: var(--space-4);
  position: relative;
}

.contents-outline__chapters li::before {
  content: '--';
  position: absolute;
  left: calc(var(--space-4) * -1);
  color: var(--fg-dim);
}

/* ========================================
   Course Structure (Muster)
   ======================================== */

.course-structure {
  background: var(--bg-elevated);
  border: 1px solid var(--border-primary);
}

.course-structure__header {
  padding: var(--space-4) var(--space-6);
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-primary);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  color: var(--fg-muted);
}

.course-structure__content {
  padding: var(--space-6);
}

.course-structure__title {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--accent-primary);
  letter-spacing: var(--tracking-wider);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--border-primary);
}

.course-structure__modules {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.course-structure__module {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-3);
  background: var(--bg-surface);
  border-left: 2px solid var(--border-primary);
}

.course-structure__module-num {
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--accent-primary);
  min-width: 1.5rem;
}

.course-structure__module-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.course-structure__module-name {
  font-size: var(--text-sm);
  font-weight: 700;
}

.course-structure__module-desc {
  font-size: var(--text-xs);
  color: var(--fg-dim);
}

/* ========================================
   Path Comparison (Muster -> Formation)
   ======================================== */

.path-comparison {
  background: var(--bg-elevated);
  border: 1px solid var(--border-primary);
}

.path-comparison__header {
  padding: var(--space-4) var(--space-6);
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-primary);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  color: var(--fg-muted);
}

.path-comparison__content {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: var(--space-4);
  padding: var(--space-6);
  align-items: stretch;
}

@media (max-width: 600px) {
  .path-comparison__content {
    grid-template-columns: 1fr;
  }
}

.path-comparison__stage {
  padding: var(--space-5);
  border: 1px solid var(--border-primary);
  background: var(--bg-surface);
}

.path-comparison__stage--highlight {
  border-color: var(--accent-primary);
}

.path-comparison__stage-label {
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: var(--tracking-wider);
  margin-bottom: var(--space-3);
}

.path-comparison__stage--highlight .path-comparison__stage-label {
  color: var(--accent-primary);
}

.path-comparison__list {
  list-style: none;
  font-size: var(--text-sm);
  color: var(--fg-muted);
}

.path-comparison__list li {
  padding: var(--space-1) 0;
  padding-left: var(--space-4);
  position: relative;
}

.path-comparison__list li::before {
  content: '--';
  position: absolute;
  left: 0;
  color: var(--fg-dim);
}

.path-comparison__meta {
  font-size: var(--text-xs);
  color: var(--fg-dim);
  margin-top: var(--space-4);
  padding-top: var(--space-3);
  border-top: 1px solid var(--border-primary);
}

.path-comparison__arrow {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-4) 0;
}

@media (max-width: 600px) {
  .path-comparison__arrow {
    flex-direction: row;
    transform: rotate(90deg);
    height: var(--space-8);
  }
}

.path-comparison__arrow-line {
  width: 2px;
  flex: 1;
  background: var(--accent-primary);
  min-height: 40px;
}

.path-comparison__arrow-head {
  width: 0;
  height: 0;
  border-left: 6px solid transparent;
  border-right: 6px solid transparent;
  border-top: 8px solid var(--accent-primary);
}

/* ========================================
   Formation Architecture
   ======================================== */

.formation-architecture {
  background: var(--bg-elevated);
  border: 1px solid var(--border-primary);
}

.formation-architecture__header {
  padding: var(--space-4) var(--space-6);
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-primary);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  color: var(--fg-muted);
}

.formation-architecture__content {
  padding: var(--space-6);
}

.formation-architecture__title {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--accent-primary);
  letter-spacing: var(--tracking-wider);
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-4);
  border-bottom: 2px solid var(--accent-primary);
}

.formation-architecture__components {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  border-left: 2px solid var(--border-light);
  padding-left: var(--space-5);
}

.formation-architecture__component {
  padding: var(--space-4);
  background: var(--bg-surface);
  border: 1px solid var(--border-primary);
  position: relative;
}

.formation-architecture__component::before {
  content: '';
  position: absolute;
  left: calc(var(--space-5) * -1 - 2px);
  top: 50%;
  width: var(--space-5);
  height: 2px;
  background: var(--border-light);
}

.formation-architecture__component-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--space-4);
  margin-bottom: var(--space-2);
}

.formation-architecture__component-name {
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: var(--tracking-wide);
}

.formation-architecture__component-freq {
  font-size: var(--text-xs);
  color: var(--fg-dim);
}

.formation-architecture__component-desc {
  font-size: var(--text-sm);
  color: var(--fg-muted);
}

/* ========================================
   MM Package v1 Additions (Operator Pipeline)
   ======================================== */

/* KPI Counter Row */
.mm-kpi {
  display: flex;
  gap: var(--space-6);
  justify-content: center;
  flex-wrap: wrap;
  margin: var(--space-8) 0;
}

.mm-kpi .item {
  flex: 0 1 160px;
  text-align: center;
  border: 1px solid var(--border-primary);
  background: var(--bg-elevated);
  padding: var(--space-6);
}

.mm-kpi .item [data-mm-counter] {
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--accent-primary);
  line-height: 1;
}

/* MM Badge (L1/L2 indicators) */
.mm-badge {
  display: inline-block;
  background: var(--accent-dim);
  color: var(--accent-primary);
  border: 1px solid var(--accent-primary);
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  margin-bottom: var(--space-3);
}

.mm-badge--gold {
  background: var(--accent-primary);
  color: var(--bg-primary);
  border-color: var(--accent-primary);
}

/* MM Card (used in ops catalog, AAR gallery) */
.mm-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border-primary);
  padding: var(--space-6);
  transition: border-color var(--transition-base);
}

.mm-card:hover {
  border-color: var(--border-light);
}

.mm-card h3 {
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-3);
}

.mm-card p {
  font-size: var(--text-sm);
  color: var(--fg-muted);
  margin-bottom: var(--space-2);
}

.mm-card strong {
  color: var(--fg-primary);
}

/* MM Grid (auto-fit cards) */
.mm-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-6);
}

/* MM List */
.mm-list {
  margin: var(--space-4) 0;
  padding-left: var(--space-6);
}

.mm-list li {
  margin-bottom: var(--space-3);
  font-size: var(--text-sm);
  color: var(--fg-muted);
}

.mm-list li strong {
  color: var(--fg-primary);
}

/* MM Button */
.mm-btn {
  display: inline-block;
  background: var(--accent-primary);
  color: var(--bg-primary);
  padding: var(--space-3) var(--space-5);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 700;
  text-decoration: none;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  margin-right: var(--space-3);
  margin-top: var(--space-3);
}

.mm-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

/* MM Caption/Small text */
.mm-caption {
  font-size: var(--text-xs);
  color: var(--fg-dim);
}

.mm-small {
  font-size: var(--text-sm);
  color: var(--fg-muted);
}

/* MM Hero (for standalone pages) */
.mm-hero {
  padding: var(--space-16) var(--space-8);
  text-align: center;
  border-bottom: 1px solid var(--border-primary);
}

.mm-hero h1 {
  font-size: var(--text-3xl);
  font-weight: 400;
  letter-spacing: var(--tracking-tight);
  margin-bottom: var(--space-4);
}

.mm-hero .mm-muted {
  font-size: var(--text-lg);
  color: var(--fg-muted);
}

/* MM Muted text */
.mm-muted {
  color: var(--fg-muted);
}

/* AAR Card home section */
.aar-preview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-4);
  margin-top: var(--space-6);
}

/* Run of Show block */
.run-of-show {
  background: var(--bg-elevated);
  border: 1px solid var(--border-primary);
  padding: var(--space-8);
}

.run-of-show h2 {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--accent-primary);
  margin-bottom: var(--space-4);
}

.run-of-show ol {
  margin: var(--space-4) 0;
  padding-left: var(--space-6);
}

.run-of-show li {
  margin-bottom: var(--space-3);
  font-size: var(--text-sm);
  color: var(--fg-muted);
}

.run-of-show li strong {
  color: var(--fg-primary);
}

/* Policy block */
.policy-block {
  background: var(--bg-elevated);
  border: 1px solid var(--border-primary);
  padding: var(--space-6);
  margin-top: var(--space-6);
}

.policy-block h2 {
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-4);
}

/* Gate banner */
.gate-banner {
  background: var(--accent-dim);
  border: 1px solid var(--accent-primary);
  padding: var(--space-6);
  margin-bottom: var(--space-8);
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.gate-banner .mm-badge {
  margin-bottom: 0;
}

.gate-banner p {
  flex: 1;
  min-width: 200px;
  margin: 0;
  font-size: var(--text-sm);
  color: var(--fg-primary);
}

/* Scope guardrails */
.scope-guardrails {
  background: var(--bg-elevated);
  border-left: 3px solid var(--accent-primary);
  padding: var(--space-6);
  margin-top: var(--space-8);
  margin-bottom: var(--space-8);
}

.scope-guardrails h2,
.scope-guardrails h3 {
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-4);
}
.scope-guardrails.text-center-block {
  border-left: none;
  text-align: center;
}
.scope-guardrails.text-center-block h3,
.scope-guardrails.text-center-block p {
  text-align: center;
}

/* ========================================
   Path Steps (Homepage Journey)
   ======================================== */

.path-steps {
  max-width: 600px;
}

.path-step {
  display: flex;
  gap: var(--space-5);
  align-items: flex-start;
}

.path-step__number {
  flex-shrink: 0;
  width: 2.5rem;
  height: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-primary);
  color: var(--bg-primary);
  font-weight: 700;
  font-size: var(--text-lg);
}

.path-step--optional .path-step__number {
  background: transparent;
  border: 1px solid var(--border-light);
  color: var(--fg-muted);
}

.path-step__content {
  flex: 1;
  padding-bottom: var(--space-2);
}

.path-step__title {
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-2);
}

.path-step--optional .path-step__title {
  color: var(--fg-muted);
}

.path-step__desc {
  font-size: var(--text-sm);
  color: var(--fg-muted);
  margin-bottom: var(--space-2);
}

.path-step__meta {
  font-size: var(--text-xs);
  color: var(--fg-dim);
}

.path-step__connector {
  width: 2.5rem;
  height: var(--space-6);
  position: relative;
  margin-left: calc(1.25rem - 1px);
}

.path-step__connector::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--border-primary);
}

/* ========================================
   Hero CTA Block
   ======================================== */

.hero-cta {
  text-align: center;
}

.hero-cta .btn {
  display: inline-flex;
}

/* ========================================
   Utility: Max Width Variants
   ======================================== */

.max-w-400 { max-width: 400px; }
.max-w-500 { max-width: 500px; }
.max-w-600 { max-width: 600px; }
.max-w-700 { max-width: 700px; }
.max-w-800 { max-width: 800px; }
.max-w-900 { max-width: 900px; }

/* Gap utilities */
.gap-16 { gap: var(--space-16); }

/* Alignment utilities */
.items-start { align-items: start; }

/* Background utilities */
.bg-surface { background: var(--bg-surface); }

/* Color utilities */
.text-secondary { color: var(--fg-secondary); }
.text-dim { color: var(--fg-dim); }

/* Positioning for overlays */
.absolute-fill {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
}

/* ========================================
   Episode Full (Field Notes page)
   ======================================== */

.episodes-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-16);
}

.episode-full {
  border: 1px solid var(--border-primary);
  background: var(--bg-elevated);
  padding: var(--space-8);
}

.episode-full__header {
  margin-bottom: var(--space-6);
}

.episode-full__number {
  display: inline-block;
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  color: var(--accent-primary);
  margin-bottom: var(--space-2);
}

.episode-full__title {
  font-size: var(--text-2xl);
  font-weight: 400;
  margin-bottom: var(--space-3);
}

.episode-full__desc {
  color: var(--fg-muted);
  max-width: 65ch;
}

.episode-full__video {
  margin-bottom: var(--space-6);
}

.episode-full__guest {
  border-top: 1px solid var(--border-primary);
  padding-top: var(--space-6);
}

.episode-full__guest h4 {
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  color: var(--fg-dim);
  margin-bottom: var(--space-2);
}

.episode-full__guest p {
  color: var(--fg-secondary);
  font-size: var(--text-sm);
}

.episode-full__links {
  margin-top: var(--space-3);
  font-size: var(--text-sm);
}

@media (min-width: 800px) {
  .episode-full {
    padding: var(--space-10);
  }
}

/* ========================================
   Card Row - Responsive Card Layouts
   ======================================== */

.card-row {
  display: grid;
  gap: var(--space-6);
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

/* 2-column layout */
.card-row--2 {
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .card-row--2 {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* 3-column layout - 1 col mobile, 2 col tablet, 3 col desktop */
.card-row--3 {
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .card-row--3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 960px) {
  .card-row--3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Larger gaps on desktop */
@media (min-width: 1200px) {
  .card-row {
    gap: var(--space-8);
  }
}

/* ========================================
   CTA Group - Centered Button Groups
   ======================================== */

.cta-group {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
}

@media (min-width: 480px) {
  .cta-group {
    flex-direction: row;
    justify-content: center;
    flex-wrap: wrap;
  }
}

/* Ensure buttons in cta-group maintain proper sizing */
.cta-group .btn {
  min-width: 180px;
  text-align: center;
}

@media (max-width: 479px) {
  .cta-group .btn {
    width: 100%;
    max-width: 280px;
  }
}

/* ========================================
   Quote Block - Testimonial
   ======================================== */

.quote-block {
  max-width: 600px;
  margin: 0 auto;
  padding: var(--space-8) var(--space-6);
  border-left: 3px solid var(--accent-primary);
  background: linear-gradient(90deg, rgba(212, 175, 55, 0.05) 0%, transparent 100%);
}

.quote-block__text {
  font-size: var(--text-base);
  font-style: italic;
  color: var(--fg-secondary);
  line-height: var(--leading-relaxed);
  margin: 0;
  quotes: none;
}

.quote-block__text::before,
.quote-block__text::after {
  content: none;
}

.quote-block__footer {
  margin-top: var(--space-4);
}

.quote-block__attribution {
  font-size: var(--text-sm);
  color: var(--accent-primary);
  font-style: normal;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* ========================================
   Text Centering Utility
   ======================================== */

.text-center-block {
  text-align: center;
}

.text-center-block p,
.text-center-block h2,
.text-center-block h3,
.text-center-block h4 {
  margin-left: auto;
  margin-right: auto;
}

/* ========================================
   Notify Form (Book Page)
   ======================================== */

.input {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  background: var(--bg-elevated);
  border: 1px solid var(--border-primary);
  color: var(--fg-primary);
  padding: var(--space-3) var(--space-4);
  transition: border-color 0.2s ease, background-color 0.2s ease;
}
.input:focus {
  outline: none;
  border-color: var(--accent-primary);
  background: var(--bg-surface);
}
.input::placeholder {
  color: var(--fg-dim);
  font-style: italic;
}
.input--large {
  padding: var(--space-4) var(--space-5);
  font-size: var(--text-base);
}

.notify-form__row { display: flex; gap: var(--space-3); flex-wrap: wrap; }
.notify-form__row .input { flex: 1; min-width: 220px; }
.notify-form__note { font-size: var(--text-xs); color: var(--fg-muted); margin-top: var(--space-2); }
.notify-form__message { margin-top: var(--space-3); font-size: var(--text-sm); }
.notify-form__message--success { color: var(--accent-primary); }
.notify-form__message--error { color: #c53030; }