@layer pages {
  /* ===== Framework Hero ===== */
  .framework-hero {
    padding-block: var(--space-9) var(--space-7);
    text-align: center;
    background:
      radial-gradient(ellipse 80% 60% at 50% 0%, color-mix(in srgb, var(--color-primary-400) 8%, transparent), transparent),
      radial-gradient(ellipse 60% 40% at 50% 20%, color-mix(in srgb, var(--color-gold-400) 5%, transparent), transparent),
      var(--color-background);
  }

  .framework-hero-eyebrow {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-gold-500);
    margin-bottom: var(--space-4);
  }

  .framework-hero-title {
    font-family: var(--font-heading);
    font-size: clamp(var(--text-4xl), 6vw, var(--text-7xl));
    font-weight: 400;
    line-height: var(--leading-tight);
    color: var(--color-foreground);
    letter-spacing: -0.02em;
    margin-bottom: var(--space-5);
  }

  .framework-hero-lead {
    font-family: var(--font-body);
    font-size: var(--text-xl);
    font-weight: 300;
    line-height: var(--leading-relaxed);
    color: var(--color-muted-foreground);
    max-width: 52ch;
    margin-inline: auto;
  }

  /* ===== Gold accent rule ===== */
  .accent-rule {
    width: 3rem;
    height: 2px;
    background: linear-gradient(to right, var(--color-gold-400), var(--color-gold-300));
    border: none;
    margin: var(--space-6) auto;
  }

  /* ===== Seven Layers ===== */
  .layers-section {
    padding-block: var(--space-7);
    background: var(--color-card);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
  }

  .layers-header { text-align: center; margin-bottom: var(--space-7); }

  .layers-stack {
    display: flex;
    flex-direction: column;
    gap: 0;
    max-width: 860px;
    margin-inline: auto;
  }

  .layer-item {
    display: grid;
    grid-template-columns: 3rem 1fr;
    gap: var(--space-5);
    align-items: start;
    padding-block: var(--space-6);
    border-bottom: 1px solid var(--color-border);
    position: relative;
  }

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

  .layer-item::before {
    content: '';
    position: absolute;
    left: 1.5rem;
    top: calc(var(--space-6) + 3rem);
    bottom: 0;
    width: 1px;
    background: linear-gradient(to bottom, var(--color-gold-300), transparent);
    transform: translateX(-50%);
  }

  .layer-item:last-child::before { display: none; }

  .layer-index {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    padding-top: var(--space-1);
  }

  .layer-number {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    font-weight: 500;
    color: var(--color-gold-400);
    letter-spacing: 0.05em;
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--color-neutral-600);
    border-radius: var(--radius-full);
    background: var(--color-neutral-800);
    flex-shrink: 0;
  }

  .layer-accent-bar {
    width: 1px;
    flex: 1;
    min-height: 2rem;
    background: linear-gradient(to bottom, var(--color-neutral-600), transparent);
  }

  .layer-body { padding-bottom: var(--space-3); }

  .layer-name {
    font-family: var(--font-heading);
    font-size: var(--text-2xl);
    font-weight: 400;
    color: var(--color-foreground);
    line-height: var(--leading-tight);
    letter-spacing: -0.01em;
    margin-bottom: var(--space-2);
  }

  .layer-essence {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    font-weight: 400;
    color: var(--color-muted-foreground);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: var(--space-3);
  }

  .layer-description {
    font-family: var(--font-body);
    font-size: var(--text-base);
    line-height: var(--leading-relaxed);
    color: var(--color-muted-foreground);
    max-width: 60ch;
  }

  /* Per-layer accent colors */
  .layer-item[data-layer="faith"] .layer-name { color: var(--color-purple-300); }
  .layer-item[data-layer="faith"] .layer-number { border-color: var(--color-purple-600); color: var(--color-purple-300); }
  .layer-item[data-layer="truth"] .layer-name { color: var(--color-secondary-300); }
  .layer-item[data-layer="truth"] .layer-number { border-color: var(--color-secondary-600); color: var(--color-secondary-300); }
  .layer-item[data-layer="love"] .layer-name { color: var(--color-accent-300); }
  .layer-item[data-layer="love"] .layer-number { border-color: var(--color-accent-600); color: var(--color-accent-300); }
  .layer-item[data-layer="energy"] .layer-name { color: var(--color-gold-300); }
  .layer-item[data-layer="energy"] .layer-number { border-color: var(--color-gold-600); color: var(--color-gold-300); }
  .layer-item[data-layer="mastery"] .layer-name { color: var(--color-primary-300); }
  .layer-item[data-layer="mastery"] .layer-number { border-color: var(--color-primary-600); color: var(--color-primary-300); }
  .layer-item[data-layer="creation"] .layer-name { color: var(--color-secondary-300); }
  .layer-item[data-layer="creation"] .layer-number { border-color: var(--color-secondary-600); color: var(--color-secondary-300); }
  .layer-item[data-layer="peace"] .layer-name { color: var(--color-neutral-100); }
  .layer-item[data-layer="peace"] .layer-number { border-color: var(--color-neutral-400); color: var(--color-neutral-200); }

  /* ===== Architecture Section ===== */
  .architecture-section { padding-block: var(--space-8); background: var(--color-background); }

  .architecture-prose { max-width: var(--content-width); margin-inline: auto; }

  .architecture-prose p {
    font-family: var(--font-body);
    font-size: var(--text-lg);
    line-height: var(--leading-relaxed);
    color: var(--color-muted-foreground);
  }

  .architecture-prose p + p { margin-top: var(--space-5); }

  /* ===== Diagram Section ===== */
  .diagram-section {
    padding-block: var(--space-8);
    background: linear-gradient(180deg, var(--color-neutral-900) 0%, var(--color-neutral-950) 100%);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    position: relative;
    overflow: hidden;
  }

  .diagram-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
      radial-gradient(circle at 20% 80%, color-mix(in srgb, var(--color-primary-500) 6%, transparent) 0%, transparent 50%),
      radial-gradient(circle at 80% 20%, color-mix(in srgb, var(--color-gold-400) 4%, transparent) 0%, transparent 50%);
    pointer-events: none;
  }

  .diagram-section .section-header { position: relative; z-index: 1; }
  .diagram-section .section-title { color: var(--color-foreground); font-weight: 400; }
  .diagram-section .section-description { color: var(--color-muted-foreground); }

  .diagram-container {
    margin-top: var(--space-7);
    display: flex;
    justify-content: center;
    position: relative;
    z-index: 1;
  }

  .diagram-svg-wrap { width: 100%; max-width: 680px; }

  /* ===== Essays ===== */
  .essays-section { padding-block: var(--space-7); background: var(--color-background); }

  .essay-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    max-width: 800px;
  }

  .essay-card {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    padding: var(--space-5);
    text-decoration: none;
    color: inherit;
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    border-left: 3px solid var(--color-gold-400);
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition-normal), transform var(--transition-normal), border-left-color var(--transition-fast);
  }

  .essay-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateX(4px);
    border-left-color: var(--color-gold-300);
  }

  .essay-meta { display: flex; align-items: center; gap: var(--space-3); }

  .essay-date {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    color: var(--color-muted-foreground);
    letter-spacing: 0.05em;
  }

  .essay-title {
    font-family: var(--font-heading);
    font-size: var(--text-xl);
    font-weight: 400;
    color: var(--color-foreground);
    line-height: var(--leading-snug);
    letter-spacing: -0.01em;
  }

  .essay-angle {
    font-family: var(--font-body);
    font-size: var(--text-sm);
    line-height: var(--leading-relaxed);
    color: var(--color-muted-foreground);
  }

  .essay-read-more {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-primary-400);
    margin-top: var(--space-1);
  }

  .essay-read-more::after { content: ' \2192'; }
  .essay-card:hover .essay-read-more { color: var(--color-primary-300); }

  /* ===== Closing ===== */
  .closing-section {
    padding-block: var(--space-8);
    text-align: center;
    background:
      radial-gradient(ellipse 80% 60% at 50% 100%, color-mix(in srgb, var(--color-primary-800) 20%, transparent), transparent),
      var(--color-neutral-950);
  }

  .closing-prose { max-width: 52ch; margin-inline: auto; }

  .closing-prose p {
    font-family: var(--font-body);
    font-size: var(--text-base);
    line-height: var(--leading-relaxed);
    color: var(--color-muted-foreground);
  }

  .closing-prose p + p { margin-top: var(--space-4); }

  /* ===== Responsive ===== */
  @media (max-width: 640px) {
    .layer-item { grid-template-columns: 2.5rem 1fr; gap: var(--space-3); }
    .layer-accent-bar { display: none; }
    .layer-item::before { left: 1.25rem; }
  }
}