/* Timeline hero */
.timeline-hero {
  text-align: center;
  margin-bottom: var(--space-8);
  padding: var(--space-6) 0;
}

.timeline-title {
  font-size: var(--text-h1);
  margin-bottom: var(--space-2);
  color: var(--color-header-serif);
}

.timeline-intro {
  font-size: var(--text-body);
  color: var(--color-body-text);
  max-width: 60ch;
  margin: 0 auto var(--space-6);
}

/* Timeline container - vertical line */
.timeline-container {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-6) var(--space-4);
  overflow-x: hidden;
}

/* Vertical center line */
.timeline-line {
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--color-divider);
  transform: translateX(-50%);
}

/* Timeline entries wrapper */
.timeline-entries {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

/* Timeline card - alternating left/right */
.timeline-card {
  position: relative;
  width: calc(50% - var(--space-6));
  padding: var(--space-4);
  background: linear-gradient(180deg, #1c1c1c 0%, #141414 100%);
  border: 1px solid #2f2f2f;
  border-radius: 12px;
  transition: all var(--transition-base);
}

/* Alternate left and right */
.timeline-card:nth-child(odd) {
  align-self: flex-start;
  margin-right: auto;
}

.timeline-card:nth-child(even) {
  align-self: flex-end;
  margin-left: auto;
}

/* Timeline dot on the line */
.timeline-card::before {
  content: '';
  position: absolute;
  top: var(--space-4);
  width: 16px;
  height: 16px;
  background: var(--color-header-accent);
  border: 3px solid var(--color-bg);
  border-radius: 50%;
  z-index: 10;
}

.timeline-card:nth-child(odd)::before {
  right: calc(-1 * var(--space-6) - 8px);
}

.timeline-card:nth-child(even)::before {
  left: calc(-1 * var(--space-6) - 8px);
}

/* Card hover effect */
.timeline-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.45);
  border-color: rgba(227, 86, 31, 0.6);
}

.timeline-card:hover::before {
  background: var(--color-ui-active);
  box-shadow: 0 0 0 4px rgba(227, 86, 31, 0.2);
}

/* Card content */
.timeline-date {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  color: #cfcfcf;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: var(--space-2);
  font-weight: 500;
}

.timeline-card-title {
  font-size: clamp(1.35rem, 1.1rem + 0.8vw, 1.8rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--color-header-accent);
  margin-bottom: var(--space-2);
}

.timeline-card-link {
  display: block;
  color: inherit;
  text-decoration: none;
}

.timeline-card-link:hover .timeline-card-title,
.timeline-card-link:focus-visible .timeline-card-title {
  color: var(--color-header-accent);
}

.timeline-card-link:focus-visible {
  outline: 2px solid rgba(227, 86, 31, 0.7);
  outline-offset: 4px;
  border-radius: 10px;
}

.timeline-card-blurb {
  font-size: clamp(1.05rem, 0.98rem + 0.4vw, 1.2rem);
  line-height: 1.7;
  letter-spacing: 0.01em;
  color: var(--color-body-text);
  margin-bottom: var(--space-3);
  text-wrap: pretty;
}

.timeline-card-meta {
  display: flex;
  gap: var(--space-2);
  align-items: center;
  flex-wrap: wrap;
}

/* Mobile: single column, line on left */
@media (max-width: 900px) {
  .timeline-line {
    left: var(--space-4);
    transform: none;
  }

  .timeline-entries {
    padding-left: var(--space-8);
  }

  .timeline-card {
    width: 100%;
    margin: 0 !important;
    align-self: stretch;
  }

  .timeline-card::before {
    left: calc(-1 * var(--space-8) - 8px) !important;
  }

  .timeline-card-title {
    /* iOS-style mobile title scale (Title 2/3 range) with editorial serif rhythm */
    font-size: clamp(1.375rem, 1.15rem + 1.15vw, 1.75rem);
    line-height: 1.24;
    letter-spacing: -0.012em;
  }

  .timeline-card {
    padding: var(--space-3);
  }

  .timeline-card-blurb {
    font-size: clamp(1.05rem, 1rem + 0.6vw, 1.2rem);
    line-height: 1.75;
  }

  .timeline-hero {
    padding: 0;
    margin-top: 0;
  }
}

/* Timeline detail page */
.timeline-detail {
  width: 100%;
  max-width: none;
  margin: 0 auto;
  background: #000000;
}

.timeline-detail-header {
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--color-divider);
}

.timeline-detail-title {
  font-size: var(--text-h1);
  margin-bottom: var(--space-3);
  color: var(--color-header-serif);
}

.timeline-detail-meta {
  display: flex;
  gap: var(--space-3);
  align-items: center;
  flex-wrap: wrap;
  font-family: var(--font-sans);
  color: var(--color-ui-text);
  margin-bottom: var(--space-3);
}

.timeline-detail-meta time {
  font-weight: 500;
}

.timeline-detail-meta .location {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-small);
  color: var(--color-ui-text);
}

.timeline-detail-meta .category-badge {
  font-size: 0.75rem;
  padding: 0.3em 0.65em;
  line-height: 1;
}

.timeline-detail-meta .location::before {
  content: '📍';
  font-size: var(--text-small);
}

.timeline-detail-content {
  font-size: 23px;
  line-height: var(--lh-body);
}

.timeline-detail-content a {
  color: var(--color-header-accent);
}

.timeline-detail-content a:hover,
.timeline-detail-content a:focus {
  color: var(--color-ui-active);
}

.timeline-detail-content figure {
  margin: var(--space-4) 0 var(--space-5);
}

.timeline-detail-content figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--color-divider);
  border-radius: 6px;
  background: var(--color-bg-elevated);
}

.timeline-detail-content figcaption {
  margin-top: var(--space-2);
  margin-bottom: var(--space-4);
  font-family: var(--font-sans);
  font-size: var(--text-small);
  line-height: 1.5;
  color: var(--color-ui-text);
  letter-spacing: var(--ls-normal);
}

/* Document header block */
.timeline-detail-content .document-header {
  text-align: center;
  margin-bottom: var(--space-4);
  padding: var(--space-4) var(--space-2);
  border: 1px solid var(--color-divider);
  background: var(--color-bg-elevated);
}

.timeline-detail-content .document-header h2 {
  font-size: var(--text-h2);
  margin: 0 0 var(--space-1);
  color: var(--color-header-serif);
}

.timeline-detail-content .document-header h3 {
  font-size: var(--text-h4);
  margin: 0 0 var(--space-1);
  color: var(--color-header-serif);
  font-style: italic;
}

.timeline-detail-content .document-header h4 {
  font-size: var(--text-body);
  margin: 0 0 var(--space-3);
  color: var(--color-ui-text);
  font-weight: 400;
}

.timeline-detail-content .document-header p {
  font-size: var(--text-small);
  color: var(--color-ui-text);
  margin: 0 0 var(--space-1);
  max-width: none;
  line-height: 1.5;
}

/* Drop cap for the first top-level paragraph in timeline entries */
.timeline-detail-content > p:first-of-type::first-letter,
.timeline-detail-content > hr ~ p:first-of-type::first-letter {
  float: left;
  font-family: var(--font-serif);
  font-size: 122px;
  line-height: 0.6;
  padding-right: 0.125em;
  padding-top: 0.1em;
  color: var(--color-header-serif);
  font-weight: 400;
}

.timeline-detail-content h2 {
  margin-top: var(--space-6);
  margin-bottom: var(--space-3);
}

.timeline-detail-content h3 {
  margin-top: var(--space-4);
  margin-bottom: var(--space-2);
}

/* Opening statements with drop caps */
.timeline-detail-content .opening-statement {
  max-width: none;
}

.timeline-detail-content .opening-statement::first-letter {
  float: left;
  font-family: var(--font-serif);
  font-size: 3.2em;
  line-height: 0.72;
  padding-right: 0.1em;
  padding-top: 0.07em;
  color: var(--color-header-serif);
}

/* Transcript styling: clear grouping and hierarchy for Q/A */
.timeline-detail-content .qa-transcript {
  margin: var(--space-3) 0 var(--space-6);
  padding-top: var(--space-2);
  border-top: 1px solid var(--color-divider);
}

.timeline-detail-content .qa-line {
  max-width: none;
  margin: 0 0 var(--space-3);
  padding: 0;
  border: 0;
  border-radius: 0;
  line-height: 1.58;
}

.timeline-detail-content .qa-line-question {
  color: var(--color-header-serif);
}

.timeline-detail-content .qa-line-answer {
  margin-left: 1.2rem;
  padding: 0.35rem 0 0.35rem 1rem;
  background: rgba(255, 255, 255, 0.03);
  border-left: 1px solid var(--color-divider);
  color: var(--color-body-text);
}

.timeline-detail-content .qa-speaker {
  display: inline;
  margin-right: 0.45rem;
  padding: 0;
  font-family: var(--font-sans);
  font-size: 0.74em;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-ui-text);
  vertical-align: baseline;
}

.timeline-detail-content .qa-line-question .qa-speaker {
  color: var(--color-header-serif);
}

.timeline-detail-content .qa-line-answer .qa-speaker {
  color: var(--color-ui-active);
}

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

@media (max-width: 768px) {
  .timeline-detail-title {
    font-size: var(--text-h2);
  }

  .timeline-detail-content .qa-line {
    margin-bottom: var(--space-2);
  }

  .timeline-detail-content .qa-line-answer {
    margin-left: 0.75rem;
    padding: 0.3rem 0 0.3rem 0.75rem;
  }
}

/* Document Image with zoom hint */
.document-image {
  margin: 0 0 var(--space-6);
  padding: 0;
}

.document-image a {
  display: block;
  position: relative;
  text-decoration: none;
  border-radius: 8px;
  overflow: hidden;
  background: var(--color-bg-elevated);
}

.document-image img {
  display: block;
  width: 100%;
  height: auto;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.document-image a:hover img {
  transform: scale(1.02);
  opacity: 0.9;
}

.image-zoom-hint {
  position: absolute;
  bottom: var(--space-2);
  right: var(--space-2);
  display: flex;
  align-items: center;
  gap: var(--space-1);
  background: rgba(0, 0, 0, 0.75);
  color: var(--color-ui-active);
  padding: 0.5rem 0.75rem;
  border-radius: 4px;
  font-family: var(--font-sans);
  font-size: var(--text-small);
  opacity: 0.8;
  transition: opacity var(--transition-fast);
}

.document-image a:hover .image-zoom-hint {
  opacity: 1;
  background: var(--color-header-accent);
}

/* Entry Navigation (Prev/Home/Next) */
.entry-navigation {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: var(--space-4);
  margin-top: var(--space-8);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-divider);
}

.entry-nav-item {
  display: flex;
}

.entry-nav-prev {
  justify-content: flex-start;
}

.entry-nav-home {
  justify-content: center;
}

.entry-nav-next {
  justify-content: flex-end;
  text-align: right;
}

.entry-nav-link {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  text-decoration: none;
  color: var(--color-ui-text);
  padding: var(--space-2);
  border-radius: 8px;
  transition: all var(--transition-fast);
  max-width: 200px;
}

.entry-nav-link:hover {
  background: var(--color-bg-elevated);
  color: var(--color-ui-active);
}

.entry-nav-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-sans);
  font-size: var(--text-small);
  text-transform: uppercase;
  letter-spacing: var(--ls-wide);
  color: var(--color-header-accent);
}

.entry-nav-next .entry-nav-label {
  justify-content: flex-end;
}

.entry-nav-title {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  line-height: 1.3;
  color: var(--color-header-serif);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.entry-nav-link-home {
  flex-direction: row;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-divider);
  font-family: var(--font-sans);
  font-size: var(--text-small);
  text-transform: uppercase;
  letter-spacing: var(--ls-wide);
}

.entry-nav-link-home:hover {
  border-color: var(--color-header-accent);
  color: var(--color-header-accent);
}

.entry-nav-link-home svg {
  flex-shrink: 0;
}

@media (max-width: 768px) {
  .entry-navigation {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto auto;
    gap: var(--space-2);
  }

  .entry-nav-home {
    grid-column: 1 / -1;
    grid-row: 1;
    margin-bottom: var(--space-2);
  }

  .entry-nav-prev {
    grid-column: 1;
    grid-row: 2;
  }

  .entry-nav-next {
    grid-column: 2;
    grid-row: 2;
  }

  .entry-nav-link {
    padding: var(--space-1);
    max-width: none;
  }

  .entry-nav-title {
    font-size: 0.875rem;
  }
}

/* Share Section */
.share-section {
  margin-top: var(--space-6);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-divider);
}

.share-title {
  font-family: var(--font-sans);
  font-size: var(--text-small);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: var(--ls-wide);
  color: var(--color-ui-text);
  margin-bottom: var(--space-3);
}

.share-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

/* Top share buttons - compact icon-only style */
.share-buttons-top {
  margin-top: var(--space-3);
  gap: 0.4rem;
}

.share-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 1rem;
  border: 1px solid var(--color-divider);
  border-radius: 6px;
  background: var(--color-bg);
  color: var(--color-ui-text);
  font-family: var(--font-sans);
  font-size: var(--text-small);
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.share-btn:hover {
  border-color: var(--color-ui-active);
  color: var(--color-ui-active);
  background: var(--color-bg-elevated);
}

.share-btn svg {
  flex-shrink: 0;
}

/* Platform-specific hover colors */
.share-btn-facebook:hover {
  border-color: #1877F2;
  color: #1877F2;
}

.share-btn-twitter:hover {
  border-color: var(--color-ui-active);
  color: var(--color-ui-active);
}

.share-btn-linkedin:hover {
  border-color: #0A66C2;
  color: #0A66C2;
}

.share-btn-email:hover {
  border-color: var(--color-header-accent);
  color: var(--color-header-accent);
}

.share-btn-copy:hover {
  border-color: var(--color-header-accent);
  color: var(--color-header-accent);
}

.share-btn-copy.copied {
  border-color: #22c55e;
  color: #22c55e;
  background: rgba(34, 197, 94, 0.1);
}

@media (max-width: 768px) {
  .share-buttons {
    gap: var(--space-1);
  }

  .share-btn {
    padding: 0.5rem 0.75rem;
    font-size: 0.8125rem;
  }

  .share-btn span {
    display: none;
  }

  .share-btn svg {
    width: 18px;
    height: 18px;
  }
}