/*
 * CD Method — About Page Styles
 * ==============================
 * Beige-themed adaptation of about-method/styles.css
 * Uses .cd-about-* prefix to avoid conflicts
 * Reuses .cd-topnav-btn from trigger-library.css
 */

/* ============================================
   PAGE CONTENT
   ============================================ */
.cd-about-page {
  min-height: 100%;
  font-family: 'Press Start 2P', monospace;
  color: var(--cd-dark);
}

.cd-about-page section[id] {
  scroll-margin-top: 180px;
}

/* ============================================
   SHARED SECTION STYLES
   ============================================ */
.cd-about-container {
  max-width: 1200px;
  margin: 0 auto;
}

.cd-about-section-header {
  text-align: center;
  margin-bottom: 48px;
}

.cd-about-section-title {
  font-family: 'Press Start 2P', monospace;
  font-size: 16px;
  margin: 0 0 16px 0;
  letter-spacing: 0.05em;
  color: var(--cd-dark);
}

.cd-about-section-desc {
  font-family: 'Space Mono', monospace;
  font-size: 14px;
  color: var(--cd-mid);
  margin: 0;
}

/* Ghost button used in howto cards */
.cd-about-btn-ghost {
  font-family: 'Press Start 2P', monospace;
  font-size: 8px;
  padding: 10px 16px;
  background: transparent;
  color: var(--cd-dark);
  border: 2px solid var(--cd-dark);
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  transition: background 0.1s steps(2), color 0.1s steps(2), border-color 0.1s steps(2), transform 0.1s steps(2), box-shadow 0.1s steps(2);
}

.cd-about-btn-ghost:hover {
  background: var(--cd-dark);
  color: var(--cd-device-light);
}

/* ============================================
   HERO SECTION — Black banner (keeps contrast)
   ============================================ */
.cd-about-hero {
  background: var(--cd-dark);
  color: var(--cd-device-light);
  padding: 80px 24px;
  text-align: center;
  border-radius: 16px;
  margin: 0 8px;
}

.cd-about-hero-content {
  max-width: 900px;
  margin: 0 auto;
}

.cd-about-hero-title {
  font-family: 'Press Start 2P', monospace;
  font-size: clamp(24px, 5vw, 40px);
  line-height: 1.5;
  margin: 0 0 32px 0;
  font-weight: 400;
  color: var(--cd-device-light);
}

.cd-about-hero-highlight {
  color: var(--color-cat-a);
  display: block;
  font-size: clamp(32px, 8vw, 64px);
}

.cd-about-hero-subtitle {
  font-family: 'Space Mono', monospace;
  font-size: 18px;
  line-height: 1.7;
  max-width: 700px;
  margin: 0 auto 48px;
  color: var(--cd-screen);
}

.cd-about-hero-subtitle strong {
  color: var(--cd-device-light);
}

/* ============================================
   INTRO SECTION
   ============================================ */
.cd-about-intro {
  padding: 60px 24px;
}

.cd-about-intro-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.cd-about-author-img {
  display: block;
  max-width: 100%;
  margin: 0 auto 40px;
}

.cd-about-hero .cd-about-author-img {
  max-width: 560px;
  margin: 0 auto 32px;
}

.cd-about-intro-lead {
  font-family: 'Space Mono', monospace;
  font-size: 20px;
  line-height: 1.6;
  margin: 0 0 20px 0;
  color: var(--cd-dark);
}

.cd-about-intro-lead strong {
  color: var(--color-cat-a);
}

.cd-about-intro-text {
  font-family: 'Space Mono', monospace;
  font-size: 15px;
  line-height: 1.8;
  color: var(--cd-mid);
  margin: 0;
}

/* ============================================
   HOW TO USE SECTION
   ============================================ */
.cd-about-howto {
  padding: 60px 24px;
  background: var(--cd-device-dark);
  border-radius: 16px;
  margin: 0 8px;
}

.cd-about-howto-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 1000px;
  margin: 0 auto;
}

.cd-about-howto-step {
  background: #fff;
  border: 3px solid var(--cd-dark);
  box-shadow: 6px 6px 0 var(--cd-dark);
  padding: 32px 24px;
  text-align: center;
  transition: transform 0.1s, box-shadow 0.1s;
}

.cd-about-howto-step:hover {
  transform: translate(2px, 2px);
  box-shadow: 4px 4px 0 var(--cd-dark);
}

.cd-about-howto-number {
  width: 48px;
  height: 48px;
  background: var(--cd-dark);
  color: var(--cd-screen);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-family: 'Press Start 2P', monospace;
  font-size: 16px;
}

.cd-about-howto-title {
  font-family: 'Press Start 2P', monospace;
  font-size: 10px;
  margin: 0 0 16px 0;
  line-height: 1.4;
  color: var(--cd-dark);
}

.cd-about-howto-desc {
  font-family: 'Space Mono', monospace;
  font-size: 13px;
  color: var(--cd-mid);
  margin: 0 0 20px 0;
  line-height: 1.6;
}

/* ============================================
   WHO THIS IS FOR
   ============================================ */
.cd-about-audience {
  padding: 60px 24px;
}

.cd-about-audience-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  max-width: 700px;
  margin: 0 auto;
}

.cd-about-audience-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.cd-about-audience-list li {
  font-family: 'Space Mono', monospace;
  font-size: 14px;
  padding: 12px 0 12px 28px;
  border-bottom: 1px dashed var(--cd-mid);
  position: relative;
  line-height: 1.4;
  color: var(--cd-dark);
}

.cd-about-audience-list li:last-child {
  border-bottom: none;
}

.cd-about-audience-list li::before {
  content: '>';
  position: absolute;
  left: 0;
  font-family: 'Press Start 2P', monospace;
  font-size: 8px;
  color: var(--color-cat-a);
  top: 14px;
}

/* ============================================
   DOWNLOADS SECTION
   ============================================ */
.cd-about-downloads {
  padding: 80px 24px;
}

.cd-about-downloads-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.cd-about-download-card {
  background: #fff;
  border: 3px solid var(--cd-dark);
  box-shadow: 6px 6px 0 var(--cd-dark);
  display: flex;
  flex-direction: column;
  transition: transform 0.1s, box-shadow 0.1s;
}

.cd-about-download-card:hover {
  transform: translate(2px, 2px);
  box-shadow: 4px 4px 0 var(--cd-dark);
}

.cd-about-download-card--featured {
  grid-column: 1 / -1;
  flex-direction: row;
}

.cd-about-download-preview {
  background: var(--cd-dark);
  padding: 32px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 160px;
  position: relative;
}

.cd-about-download-card--featured .cd-about-download-preview {
  min-width: 280px;
  min-height: 200px;
}

/* Preview: 3 Pages */
.cd-about-preview-pages {
  display: flex;
  gap: 8px;
}

.cd-about-preview-page {
  width: 48px;
  height: 64px;
  background: var(--cd-device-light);
  border: 2px solid var(--cd-mid);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Press Start 2P', monospace;
  font-size: 10px;
  color: var(--cd-dark);
  transform: rotate(-3deg);
}

.cd-about-preview-page:nth-child(2) {
  transform: rotate(0deg) translateY(-4px);
  background: var(--cd-device-dark);
}

.cd-about-preview-page:nth-child(3) {
  transform: rotate(3deg);
  background: #c8c4bc;
}

/* Preview: Stacked Cards */
.cd-about-preview-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 6px;
  margin-bottom: 12px;
}

.cd-about-preview-card {
  width: 40px;
  height: 52px;
  background: var(--card-color, var(--color-cat-a));
  border: 2px solid var(--cd-device-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Press Start 2P', monospace;
  font-size: 8px;
  color: #000;
}

.cd-about-preview-count,
.cd-about-preview-label {
  font-family: 'Press Start 2P', monospace;
  font-size: 8px;
  color: var(--cd-light);
  position: absolute;
  bottom: 12px;
}

/* Preview: Checklist */
.cd-about-preview-checklist {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
}

.cd-about-preview-check {
  width: 32px;
  height: 32px;
  background: var(--cd-light);
  border: 2px solid var(--cd-device-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: var(--cd-dark);
  font-weight: bold;
}

.cd-about-preview-check.empty {
  background: var(--cd-mid);
  border-color: var(--cd-light);
}

/* Preview: Form */
.cd-about-preview-form {
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: 100%;
  max-width: 120px;
  margin-bottom: 12px;
}

.cd-about-preview-field {
  height: 12px;
  background: var(--cd-device-light);
  border: 2px solid var(--cd-mid);
}

.cd-about-preview-field.short {
  width: 60%;
}

/* Download Info */
.cd-about-download-info {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.cd-about-download-type {
  font-family: 'Press Start 2P', monospace;
  font-size: 8px;
  color: var(--color-cat-a);
  margin-bottom: 8px;
}

.cd-about-download-info h3 {
  font-family: 'Press Start 2P', monospace;
  font-size: 12px;
  margin: 0 0 12px 0;
  line-height: 1.4;
  color: var(--cd-dark);
}

.cd-about-download-info p {
  font-family: 'Space Mono', monospace;
  font-size: 13px;
  line-height: 1.6;
  color: var(--cd-mid);
  margin: 0 0 16px 0;
  flex: 1;
}

.cd-about-download-meta {
  display: flex;
  gap: 16px;
  margin-bottom: 16px;
}

.cd-about-download-meta span {
  font-family: 'Space Mono', monospace;
  font-size: 11px;
  color: var(--cd-mid);
  padding: 4px 8px;
  background: var(--cd-device-light);
  border: 1px solid #d8d4cc;
}

.cd-about-download-btn {
  font-family: 'Press Start 2P', monospace;
  font-size: 10px;
  padding: 14px 20px;
  background: var(--cd-dark);
  color: var(--cd-device-light);
  border: 3px solid var(--cd-dark);
  cursor: pointer;
  transition: background 0.1s steps(2), color 0.1s steps(2), border-color 0.1s steps(2), transform 0.1s steps(2), box-shadow 0.1s steps(2);
  text-align: center;
}

.cd-about-download-btn:hover {
  background: var(--color-cat-a);
  border-color: var(--color-cat-a);
}

.cd-about-download-btn--disabled {
  background: var(--cd-device-dark);
  color: #8a8a80;
  border-color: #c8c4bc;
  cursor: not-allowed;
}

.cd-about-download-btn--disabled:hover {
  background: var(--cd-device-dark);
  border-color: #c8c4bc;
}

/* ============================================
   POSTER GALLERY — The Creed
   ============================================ */
.cd-about-poster-gallery {
  padding: 80px 24px;
  background: var(--cd-dark);
  border-radius: 16px;
  margin: 0 8px;
}

.cd-about-poster-gallery .cd-about-section-title {
  color: var(--cd-device-light);
}

.cd-about-poster-gallery .cd-about-section-desc {
  color: var(--cd-light);
}

.cd-about-poster-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 8px;
  max-width: 1400px;
  margin: 0 auto;
}

.cd-about-poster-item {
  aspect-ratio: 1 / 1.414;
  overflow: hidden;
  border: 2px solid var(--cd-mid);
  background: #0d1a05;
  cursor: pointer;
  transition: transform 0.15s, border-color 0.15s;
}

.cd-about-poster-item:hover {
  transform: scale(1.02);
  border-color: var(--color-cat-a);
  z-index: 1;
}

.cd-about-poster-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ============================================
   POSTER MODAL — Lightbox
   ============================================ */
.cd-about-poster-modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 99999;
}

.cd-about-poster-modal.active {
  display: flex;
  align-items: center;
  justify-content: center;
}

.cd-about-poster-modal-backdrop {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(26, 46, 10, 0.95);
}

.cd-about-poster-modal-content {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  padding: 60px 100px;
  box-sizing: border-box;
}

.cd-about-poster-modal-image-wrap {
  max-width: 100%;
  max-height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cd-about-poster-modal-image-wrap img {
  max-width: 100%;
  max-height: calc(100vh - 120px);
  object-fit: contain;
  border: 3px solid var(--cd-device-light);
  box-shadow: 0 0 60px rgba(255, 0, 255, 0.3);
}

.cd-about-poster-modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 40px;
  height: 40px;
  background: var(--cd-device-light);
  border: 3px solid var(--cd-dark);
  cursor: pointer;
  z-index: 10;
  transition: background 0.1s steps(2), color 0.1s steps(2), border-color 0.1s steps(2), transform 0.1s steps(2), box-shadow 0.1s steps(2);
}

.cd-about-poster-modal-close::before,
.cd-about-poster-modal-close::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 3px;
  background: var(--cd-dark);
}

.cd-about-poster-modal-close::before {
  transform: translate(-50%, -50%) rotate(45deg);
}

.cd-about-poster-modal-close::after {
  transform: translate(-50%, -50%) rotate(-45deg);
}

.cd-about-poster-modal-close:hover {
  background: var(--color-cat-a);
}

.cd-about-poster-modal-close:hover::before,
.cd-about-poster-modal-close:hover::after {
  background: #fff;
}

.cd-about-poster-modal-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 60px;
  height: 80px;
  background: var(--cd-device-light);
  border: 3px solid var(--cd-dark);
  font-size: 32px;
  font-weight: bold;
  cursor: pointer;
  transition: background 0.1s steps(2), color 0.1s steps(2), border-color 0.1s steps(2), transform 0.1s steps(2), box-shadow 0.1s steps(2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cd-dark);
  z-index: 10;
}

.cd-about-poster-modal-prev {
  left: 20px;
}

.cd-about-poster-modal-next {
  right: 20px;
}

.cd-about-poster-modal-nav:hover {
  background: var(--color-cat-a);
  color: #fff;
  border-color: var(--color-cat-a);
}

.cd-about-poster-modal-counter {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  font-family: 'Press Start 2P', monospace;
  font-size: 12px;
  color: var(--cd-device-light);
  background: var(--cd-dark);
  padding: 10px 20px;
  border: 2px solid var(--cd-device-light);
}

/* ============================================
   LINEAGES — Built on Giants
   ============================================ */
.cd-about-lineages {
  padding: 80px 24px;
  background: var(--cd-device-dark);
  border-radius: 16px;
  margin: 0 8px;
}

.cd-about-lineages-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.cd-about-lineage-card {
  background: #fff;
  border: 3px solid var(--cd-dark);
  box-shadow: 6px 6px 0 var(--cd-dark);
  padding: 24px;
  transition: transform 0.1s, box-shadow 0.1s;
}

.cd-about-lineage-card:hover {
  transform: translate(3px, 3px);
  box-shadow: 3px 3px 0 var(--cd-dark);
}

.cd-about-lineage-icon {
  font-family: 'Press Start 2P', monospace;
  font-size: 24px;
  color: #c8c4bc;
  margin-bottom: 16px;
}

.cd-about-lineage-title {
  font-family: 'Press Start 2P', monospace;
  font-size: 11px;
  margin: 0 0 12px 0;
  color: var(--cd-dark);
}

.cd-about-lineage-desc {
  font-family: 'Space Mono', monospace;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.5;
  margin: 0 0 20px 0;
  color: var(--cd-dark);
}

.cd-about-lineage-sources {
  list-style: none;
  padding: 0;
  margin: 0 0 20px 0;
}

.cd-about-lineage-sources li {
  padding: 10px 0;
  border-bottom: 1px dashed #d8d4cc;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.cd-about-lineage-sources li:last-child {
  border-bottom: none;
}

.cd-about-lineage-sources a {
  font-family: 'Space Mono', monospace;
  font-size: 13px;
  font-weight: 700;
  color: var(--cd-dark);
  text-decoration: none;
  border-bottom: 2px solid var(--color-cat-a);
  transition: color 0.1s;
}

.cd-about-lineage-sources a:hover {
  color: var(--color-cat-a);
}

.cd-about-lineage-sources span {
  font-family: 'Space Mono', monospace;
  font-size: 12px;
  color: var(--cd-mid);
}

.cd-about-lineage-maps {
  padding-top: 16px;
  border-top: 2px solid var(--cd-dark);
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.cd-about-maps-label {
  font-family: 'Press Start 2P', monospace;
  font-size: 7px;
  color: var(--cd-mid);
}

.cd-about-maps-trigger {
  font-family: 'Press Start 2P', monospace;
  font-size: 7px;
  padding: 6px 10px;
  background: var(--cd-dark);
  color: var(--cd-device-light);
}

/* ============================================
   PIONEERS — Golden Age Slider
   ============================================ */
.cd-about-pioneers {
  padding: 80px 24px;
}

.cd-about-pioneers-slider {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 24px;
}

.cd-about-pioneers-track {
  flex: 1;
  overflow: visible;
  min-width: 0;
}

.cd-about-pioneers-slide {
  display: none;
}

.cd-about-pioneers-slide.active {
  display: block;
}

.cd-about-pioneers-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  padding: 4px 4px 12px 4px;
}

.cd-about-pioneer-card {
  background: #fff;
  border: 3px solid var(--cd-dark);
  box-shadow: 6px 6px 0 var(--cd-dark);
  padding: 20px;
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  gap: 20px;
}

.cd-about-pioneer-image {
  width: 100px;
  height: 100px;
  min-width: 100px;
  overflow: hidden;
}

.cd-about-pioneer-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  image-rendering: pixelated;
}

.cd-about-pioneer-content {
  flex: 1;
  min-width: 0;
}

.cd-about-pioneer-name {
  margin: 0 0 4px 0;
}

.cd-about-pioneer-name a {
  font-family: 'Press Start 2P', monospace;
  font-size: 10px;
  color: var(--cd-dark);
  text-decoration: none;
  line-height: 1.4;
}

.cd-about-pioneer-name a:hover {
  color: var(--color-cat-a);
}

.cd-about-pioneer-role {
  font-family: 'Space Mono', monospace;
  font-size: 12px;
  color: var(--cd-mid);
  margin: 0 0 8px 0;
}

.cd-about-pioneer-concept {
  font-family: 'Press Start 2P', monospace;
  font-size: 7px;
  color: var(--cd-device-light);
  background: var(--cd-dark);
  padding: 5px 8px;
  margin: 0 0 10px 0;
  display: inline-block;
}

.cd-about-pioneer-quote {
  font-family: 'Space Mono', monospace;
  font-size: 12px;
  line-height: 1.5;
  font-style: italic;
  margin: 0 0 12px 0;
  color: var(--cd-mid);
}

.cd-about-pioneer-validates {
  font-family: 'Space Mono', monospace;
  font-size: 11px;
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.cd-about-pioneer-validates span {
  color: var(--cd-light);
}

.cd-about-pioneer-validates strong {
  padding: 4px 8px;
  background: var(--color-cat-a);
  color: #fff;
  font-weight: normal;
  font-size: 8px;
}

/* Slider arrows */
.cd-about-slider-arrow {
  width: 48px;
  height: 48px;
  background: #fff;
  border: 3px solid var(--cd-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 20px;
  color: var(--cd-dark);
  transition: background 0.1s steps(2), color 0.1s steps(2), border-color 0.1s steps(2), transform 0.1s steps(2), box-shadow 0.1s steps(2);
  flex-shrink: 0;
}

.cd-about-slider-arrow:hover {
  background: var(--cd-dark);
  color: var(--cd-device-light);
}

/* Slider controls — dots */
.cd-about-pioneers-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 24px;
}

.cd-about-slider-dots {
  display: flex;
  gap: 8px;
}

.cd-about-slider-dot {
  width: 10px;
  height: 10px;
  background: #c8c4bc;
  border: none;
  border-radius: 0;
  cursor: pointer;
  transition: background 0.1s;
}

.cd-about-slider-dot:hover {
  background: var(--cd-light);
}

.cd-about-slider-dot.active {
  background: var(--cd-dark);
}

/* ============================================
   15 MECHANISMS GRID
   ============================================ */
.cd-about-mechanisms {
  padding: 80px 24px;
}

.cd-about-mechanisms-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  max-width: 1200px;
  margin: 0 auto;
}

.cd-about-mechanism-card {
  background: #fff;
  border: 3px solid var(--cd-dark);
  box-shadow: 6px 6px 0 var(--cd-dark);
  transition: transform 0.1s, box-shadow 0.1s;
}

.cd-about-mechanism-card:hover {
  transform: translate(2px, 2px);
  box-shadow: 4px 4px 0 var(--cd-dark);
}

.cd-about-mechanism-header {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  border-bottom: 3px solid var(--cd-dark);
  background: #f5f2ec;
}

.cd-about-mech-code {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Press Start 2P', monospace;
  font-size: 14px;
  color: #fff;
  flex-shrink: 0;
  border: 3px solid var(--cd-dark);
}

.cd-about-mech-title-group {
  flex: 1;
  min-width: 0;
}

.cd-about-mech-title-group h3 {
  font-family: 'Press Start 2P', monospace;
  font-size: 10px;
  margin: 0 0 4px 0;
  line-height: 1.4;
  color: var(--cd-dark);
}

.cd-about-mech-count {
  font-family: 'Space Mono', monospace;
  font-size: 11px;
  color: var(--cd-mid);
}

.cd-about-mechanism-body {
  padding: 20px;
}

.cd-about-mech-explanation {
  font-family: 'Space Mono', monospace;
  font-size: 13px;
  line-height: 1.7;
  margin: 0 0 16px 0;
  color: var(--cd-mid);
}

.cd-about-mech-explanation strong {
  color: var(--cd-dark);
}

.cd-about-mech-sources {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.cd-about-mech-sources li {
  display: inline;
  font-family: 'Space Mono', monospace;
  font-size: 10px;
  color: var(--cd-mid);
}

.cd-about-mech-sources a {
  font-family: 'Space Mono', monospace;
  font-size: 11px;
  color: var(--cd-dark);
  text-decoration: none;
  padding: 6px 10px;
  background: var(--cd-device-light);
  border: 2px solid #d8d4cc;
  display: inline-block;
  transition: background 0.1s steps(2), color 0.1s steps(2), border-color 0.1s steps(2), transform 0.1s steps(2), box-shadow 0.1s steps(2);
}

.cd-about-mech-sources a:hover {
  border-color: var(--color-cat-a);
  background: #fff;
  color: var(--color-cat-a);
}

.cd-about-mech-view-link {
  display: inline-block;
  margin-top: 16px;
  font-family: 'Press Start 2P', monospace;
  font-size: 8px;
  color: var(--cd-mid);
  text-decoration: none;
  padding: 6px 12px;
  border: 2px solid #d8d4cc;
  transition: background 0.1s steps(2), color 0.1s steps(2), border-color 0.1s steps(2);
}

.cd-about-mech-view-link:hover {
  border-color: var(--cd-dark);
  color: var(--cd-dark);
  background: #f5f2ec;
}

/* ============================================
   ESSENTIAL READING
   ============================================ */
.cd-about-reading {
  padding: 80px 24px;
  background: var(--cd-device-dark);
  border-radius: 16px;
  margin: 0 8px;
}

.cd-about-books-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.cd-about-book-category {
  background: #fff;
  border: 3px solid var(--cd-dark);
  box-shadow: 6px 6px 0 var(--cd-dark);
}

.cd-about-book-category-title {
  font-family: 'Press Start 2P', monospace;
  font-size: 10px;
  padding: 16px 20px;
  margin: 0;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='2' height='2'%3E%3Crect fill='%231a2e0a' width='2' height='2'/%3E%3Crect fill='%23e8e4dc' x='0' y='0' width='1' height='1'/%3E%3Crect fill='%23e8e4dc' x='1' y='1' width='1' height='1'/%3E%3C/svg%3E");
  background-size: 4px 4px;
  border-bottom: 3px solid var(--cd-dark);
  display: flex;
  align-items: center;
  justify-content: center;
}

.cd-about-book-category-title span {
  background: #fff;
  padding: 6px 16px;
  border: 2px solid var(--cd-dark);
  color: var(--cd-dark);
}

.cd-about-books-list {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.cd-about-book-card {
  display: flex;
  gap: 16px;
  padding: 12px;
  border: 2px solid #d8d4cc;
  text-decoration: none;
  color: var(--cd-dark);
  transition: background 0.1s steps(2), color 0.1s steps(2), border-color 0.1s steps(2), transform 0.1s steps(2), box-shadow 0.1s steps(2);
}

.cd-about-book-card:hover {
  border-color: var(--cd-dark);
  background: var(--cd-device-light);
}

.cd-about-book-cover {
  width: 80px;
  height: 120px;
  object-fit: cover;
  flex-shrink: 0;
}

.cd-about-book-info {
  flex: 1;
  min-width: 0;
}

.cd-about-book-info h4 {
  font-family: 'Space Mono', monospace;
  font-size: 13px;
  font-weight: 700;
  margin: 0 0 4px 0;
  line-height: 1.3;
  color: var(--cd-dark);
}

.cd-about-book-author {
  font-family: 'Space Mono', monospace;
  font-size: 12px;
  color: var(--cd-mid);
  margin: 0 0 2px 0;
}

.cd-about-book-year {
  font-family: 'Press Start 2P', monospace;
  font-size: 8px;
  color: var(--cd-light);
  margin: 0;
}

/* ============================================
   CTA SECTION
   ============================================ */
.cd-about-cta {
  padding: 80px 24px;
  background: var(--cd-dark);
  border-radius: 16px;
  margin: 0 8px;
}

.cd-about-cta-card {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
  color: var(--cd-device-light);
}

.cd-about-cta-card h2 {
  font-family: 'Press Start 2P', monospace;
  font-size: 16px;
  margin: 0 0 16px 0;
  color: var(--color-cat-a);
}

.cd-about-cta-card p {
  font-family: 'Space Mono', monospace;
  font-size: 16px;
  line-height: 1.6;
  margin: 0 0 32px 0;
  color: var(--cd-screen);
}

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

.cd-about-cta-btn {
  font-family: 'Press Start 2P', monospace;
  font-size: 10px;
  padding: 16px 24px;
  border: 3px solid var(--cd-device-light);
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  transition: background 0.1s steps(2), color 0.1s steps(2), border-color 0.1s steps(2), transform 0.1s steps(2), box-shadow 0.1s steps(2);
}

.cd-about-cta-btn--primary {
  background: var(--cd-device-light);
  color: var(--cd-dark);
}

.cd-about-cta-btn--primary:hover {
  background: var(--color-cat-a);
  border-color: var(--color-cat-a);
  color: #fff;
}

.cd-about-cta-btn--secondary {
  background: transparent;
  color: var(--cd-device-light);
}

.cd-about-cta-btn--secondary:hover {
  background: var(--cd-device-light);
  color: var(--cd-dark);
}

/* ============================================
   FOOTER
   ============================================ */
.cd-about-page > .cd-trigger-footer {
  margin-top: 48px;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (min-width: 1200px) {
  .cd-about-poster-grid {
    grid-template-columns: repeat(10, 1fr);
  }
}

@media (max-width: 900px) {
  .cd-about-howto-grid {
    grid-template-columns: 1fr;
    max-width: 500px;
  }

  .cd-about-downloads-grid {
    grid-template-columns: 1fr;
  }

  .cd-about-download-card--featured {
    flex-direction: column;
  }

  .cd-about-download-card--featured .cd-about-download-preview {
    min-width: auto;
    min-height: 160px;
  }

  .cd-about-poster-grid {
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 6px;
  }

  .cd-about-lineages-grid {
    grid-template-columns: 1fr;
  }

  .cd-about-pioneers-slider {
    display: block;
  }

  .cd-about-slider-arrow {
    display: none;
  }

  .cd-about-pioneers-track {
    display: block;
  }

  .cd-about-pioneers-slide {
    display: block !important;
  }

  .cd-about-pioneers-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .cd-about-pioneers-controls {
    display: none;
  }

  .cd-about-mechanisms-grid {
    grid-template-columns: 1fr;
  }

  .cd-about-books-grid {
    grid-template-columns: 1fr;
  }

}

@media (max-width: 768px) {
  .cd-about-poster-modal-content {
    padding: 60px 20px;
  }

  .cd-about-poster-modal-nav {
    width: 44px;
    height: 60px;
    font-size: 24px;
  }

  .cd-about-poster-modal-prev {
    left: 10px;
  }

  .cd-about-poster-modal-next {
    right: 10px;
  }

  .cd-about-poster-modal-close {
    top: 10px;
    right: 10px;
    width: 36px;
    height: 36px;
  }

  .cd-about-poster-modal-counter {
    font-size: 10px;
    padding: 8px 16px;
  }
}

@media (max-width: 700px) {
}

@media (max-width: 600px) {
  .cd-about-hero,
  .cd-about-howto,
  .cd-about-lineages,
  .cd-about-poster-gallery,
  .cd-about-reading,
  .cd-about-cta {
    border-radius: 12px;
    margin: 0 4px;
  }

  .cd-about-hero {
    padding: 48px 16px;
  }

  .cd-about-hero-subtitle {
    font-size: 14px;
  }

  .cd-about-intro {
    padding: 40px 16px;
  }

  .cd-about-intro-lead {
    font-size: 16px;
  }

  .cd-about-intro-text {
    font-size: 13px;
  }

  .cd-about-howto {
    padding: 40px 16px;
  }

  .cd-about-howto-step {
    padding: 24px 20px;
  }

  .cd-about-howto-number {
    width: 40px;
    height: 40px;
    font-size: 14px;
  }

  .cd-about-howto-title {
    font-size: 9px;
  }

  .cd-about-howto-desc {
    font-size: 12px;
  }

  .cd-about-audience {
    padding: 40px 16px;
  }

  .cd-about-audience-grid {
    grid-template-columns: 1fr;
    gap: 16px;
    max-width: 400px;
  }

  .cd-about-audience-list li {
    font-size: 13px;
    padding: 10px 0 10px 24px;
  }

  .cd-about-audience-list li::before {
    font-size: 7px;
    top: 12px;
  }

  .cd-about-poster-gallery {
    padding: 48px 12px;
  }

  .cd-about-poster-grid {
    grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    gap: 4px;
  }

  .cd-about-poster-item {
    border-width: 1px;
  }

  .cd-about-download-preview {
    padding: 24px;
    min-height: 140px;
  }

  .cd-about-download-info {
    padding: 20px;
  }

  .cd-about-download-info h3 {
    font-size: 10px;
  }

  .cd-about-download-info p {
    font-size: 12px;
  }

  .cd-about-download-btn {
    font-size: 9px;
    padding: 12px 16px;
  }

  .cd-about-downloads {
    padding: 40px 16px;
  }

  .cd-about-hero .cd-about-author-img {
    max-width: 80%;
    margin: 0 auto 20px;
  }

  .cd-about-pioneer-card {
    padding: 14px;
    gap: 12px;
  }

  .cd-about-pioneer-image {
    width: 70px;
    height: 70px;
    min-width: 70px;
  }

  .cd-about-pioneer-name a {
    font-size: 9px;
  }

  .cd-about-pioneer-quote {
    font-size: 11px;
  }

  .cd-about-pioneer-validates {
    flex-wrap: wrap;
  }

  .cd-about-lineages {
    padding: 40px 16px;
  }

  .cd-about-pioneers {
    padding: 40px 16px;
  }

  .cd-about-mechanism-header {
    padding: 12px 16px;
  }

  .cd-about-mech-code {
    width: 32px;
    height: 32px;
    font-size: 12px;
  }

  .cd-about-mech-title-group h3 {
    font-size: 9px;
  }

  .cd-about-mechanism-body {
    padding: 16px;
  }

  .cd-about-mech-explanation {
    font-size: 12px;
  }

  .cd-about-mech-sources a {
    font-size: 10px;
    padding: 4px 8px;
  }

  .cd-about-section-title {
    font-size: 12px;
  }

  .cd-about-pioneers-controls {
    gap: 16px;
    margin-top: 24px;
  }

}