/* === COLOPHON SECTION === */
/* Aesthetic: Matches site design language */

body.colophon-section {
  font-family: var(--font-sans);
}

/* === HERO === */
.colophon-hero {
  padding: clamp(3rem, 8vw, 5rem) 0;
  max-width: 700px;
}

.hero-marker {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.marker-line {
  width: 40px;
  height: 2px;
  background: var(--text-primary);
}

.marker-text {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text-secondary);
}

.colophon-hero h1 {
  font-size: clamp(2.5rem, 7vw, 4rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: var(--spacing-lg);
  color: var(--text-primary);
}

.hero-lead {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  line-height: 1.7;
  color: var(--text-secondary);
  margin: 0;
}

/* === SECTION LABEL === */
.section-label {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text-tertiary);
  margin-bottom: var(--spacing-lg);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.section-label::before {
  content: '';
  width: 12px;
  height: 2px;
  background: var(--text-tertiary);
}

/* === SECTION BLOCKS === */
.colophon-section-block {
  padding: var(--spacing-xl) 0;
  border-top: 1px solid var(--border-color);
}

.section-intro {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin: 0 0 var(--spacing-lg);
  max-width: 500px;
}

/* === PHILOSOPHY GRID === */
.philosophy-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
}

.philosophy-card {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

.philosophy-card:hover {
  border-color: var(--text-tertiary);
  transform: translateY(-2px);
}

.philosophy-number {
  font-family: var(--font-mono, monospace);
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--text-tertiary);
}

.philosophy-card:hover .philosophy-number {
  color: var(--accent);
}

.philosophy-content h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 var(--spacing-xs);
}

.philosophy-content p {
  font-family: var(--font-serif);
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
}

/* === STACK GRID === */
.stack-grid {
  display: flex;
  flex-direction: column;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
}

.stack-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md) var(--spacing-lg);
  border-bottom: 1px solid var(--border-color);
  transition: background 0.2s ease;
}

.stack-item:last-child {
  border-bottom: none;
}

.stack-item:hover {
  background: var(--bg-primary);
}

.stack-name {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.9rem;
}

.stack-value {
  font-family: var(--font-mono, monospace);
  font-size: 0.8rem;
  color: var(--text-tertiary);
}

/* === TYPOGRAPHY SPECIMENS === */
.type-specimens {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.type-specimen {
  padding: var(--spacing-lg);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
}

.type-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-md);
}

.type-role {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-tertiary);
}

.type-name {
  font-family: var(--font-mono, monospace);
  font-size: 0.75rem;
  color: var(--accent);
}

.type-sample {
  font-size: 1.5rem;
  color: var(--text-primary);
  line-height: 1.4;
}

.type-sample.serif {
  font-family: var(--font-serif);
}

.type-sample.sans {
  font-family: var(--font-sans);
}

.type-sample.mono {
  font-family: var(--font-mono);
}

/* === COLOR GRID === */
.color-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-sm);
}

.color-chip {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--spacing-lg) var(--spacing-sm);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  position: relative;
  overflow: hidden;
}

.color-chip::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--chip-color);
}

.color-section {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.color-name {
  font-family: var(--font-mono, monospace);
  font-size: 0.65rem;
  color: var(--text-tertiary);
  text-transform: lowercase;
}

/* === PRINCIPLES LIST === */
.principles-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.principle-row {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: var(--spacing-lg);
  padding: var(--spacing-md) 0;
  border-bottom: 1px solid var(--border-color);
}

.principle-row:last-child {
  border-bottom: none;
}

.principle-name {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.9rem;
}

.principle-desc {
  font-family: var(--font-serif);
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* === CREDITS === */
.credits-content {
  max-width: 600px;
}

.credits-content p {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin: 0 0 var(--spacing-md);
}

.credits-content p:last-child {
  margin-bottom: 0;
}

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

.credits-content a {
  color: var(--text-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: var(--border-color);
  transition: text-decoration-color 0.2s ease;
}

.credits-content a:hover {
  text-decoration-color: var(--accent);
}

/* === VERSION BLOCK === */
.version-block {
  display: flex;
  align-items: baseline;
  gap: var(--spacing-md);
  padding: var(--spacing-xl) 0;
  margin-top: var(--spacing-lg);
  border-top: 1px solid var(--border-color);
}

.version-number {
  font-family: var(--font-mono, monospace);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
}

.version-date {
  font-size: 0.85rem;
  color: var(--text-tertiary);
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
  .colophon-hero {
    padding: var(--spacing-2xl) 0;
  }

  .colophon-hero h1 {
    font-size: 2.25rem;
  }

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

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

  .principle-row {
    grid-template-columns: 1fr;
    gap: var(--spacing-xs);
  }
}

@media (max-width: 500px) {
  .philosophy-card {
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
  }

  .philosophy-number {
    padding-top: 0;
  }

  .type-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }

  .type-sample {
    font-size: 1.25rem;
  }

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

/* === DARK MODE === */
@media (prefers-color-scheme: dark) {
  .philosophy-card {
    background: var(--bg-secondary);
  }

  .stack-grid {
    background: var(--bg-secondary);
  }

  .type-specimen {
    background: var(--bg-secondary);
  }

  .color-chip {
    background: var(--bg-secondary);
  }
}