/* ============================================
   BIOLOGICAL INTELLIGENCE ATLAS — Page Styles
   Dark editorial, sage / leaf accent, no cartoonish biology motifs.
   ============================================ */

:root {
  --bio-bg:        #14241D;
  --bio-bg-deep:   #0E1A14;
  --bio-t:         #8ED9A8;
  --bio-t-soft:    #B5E8C5;
  --bio-bd:        #3FA45F;
  --bio-bd-soft:   rgba(63, 164, 95, 0.36);
  --bio-bd-faint:  rgba(63, 164, 95, 0.16);
  --bio-glow:      rgba(142, 217, 168, 0.10);

  /* secondary accents for grouping */
  --bio-amber:     #E0B070;
  --bio-amber-bd:  rgba(224, 176, 112, 0.36);
  --bio-amber-bg:  rgba(224, 176, 112, 0.06);
}

/* ============================================
   HERO
   ============================================ */
.bio-hero { padding: 160px 0 60px; position: relative; }
.bio-hero-eyebrow {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px; font-weight: 600;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--bio-t); margin-bottom: 16px;
}
.bio-hero-title {
  font-size: clamp(36px, 6vw, 56px);
  font-weight: 700; line-height: 1.05;
  letter-spacing: -0.03em; color: var(--text);
  margin-bottom: 16px;
}
.bio-hero-title em { font-style: normal; color: var(--bio-t); }
.bio-hero-subtitle {
  font-size: 18px; font-weight: 400; line-height: 1.6;
  color: var(--text-secondary);
  max-width: 720px; margin-bottom: 22px;
}
.bio-hero-body {
  font-size: 15.5px; line-height: 1.75;
  color: var(--text-tertiary);
  max-width: 720px; margin-bottom: 28px;
}
.bio-hero-cta { display: flex; flex-wrap: wrap; gap: 10px; }
.bio-btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px; letter-spacing: 0.06em;
  text-transform: uppercase; font-weight: 600;
  padding: 10px 16px; border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg-alt); color: var(--text);
  cursor: pointer;
  transition: background 0.18s, border-color 0.18s, color 0.18s, transform 0.12s;
}
.bio-btn:hover { background: var(--surface); border-color: var(--bio-bd-soft); color: var(--bio-t); }
.bio-btn--primary {
  background: var(--bio-bg); border-color: var(--bio-bd-soft); color: var(--bio-t);
}
.bio-btn--primary:hover { background: var(--bio-bg-deep); border-color: var(--bio-bd); }
.bio-btn:active { transform: translateY(1px); }
.bio-btn:focus-visible { outline: 2px solid var(--bio-bd); outline-offset: 2px; }

/* ============================================
   LAYOUT — content + sticky ToC (desktop)
   ============================================ */
.bio-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
}
.bio-toc { display: none; }
@media (min-width: 1024px) {
  .bio-layout {
    grid-template-columns: minmax(0, 1fr) 240px;
    gap: 40px;
  }
  .bio-toc {
    display: block;
    position: sticky;
    top: 90px;
    align-self: start;
    border-left: 1px solid var(--border-light);
    padding-left: 18px;
    max-height: calc(100vh - 110px);
    overflow-y: auto;
    overflow-x: hidden;
  }
}
.bio-toc-h {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px; letter-spacing: 0.16em;
  text-transform: uppercase; font-weight: 700;
  color: var(--bio-t);
  margin-bottom: 10px;
  white-space: nowrap;
}
.bio-toc-list { list-style: none; padding: 0; margin: 0; }
.bio-toc-list a {
  display: block;
  font-size: 12.5px;
  color: var(--text-tertiary);
  padding: 5px 0;
  line-height: 1.4;
  border-left: 2px solid transparent;
  padding-left: 8px;
  margin-left: -10px;
  white-space: normal;
  overflow-wrap: break-word;
  transition: color 0.15s, border-color 0.15s;
}
.bio-toc-list a:hover { color: var(--text); border-left-color: var(--bio-bd-soft); }
.bio-toc-list a.is-active { color: var(--bio-t); border-left-color: var(--bio-bd); }

/* ============================================
   SECTION SHELL
   ============================================ */
.bio-section { padding: 56px 0; scroll-margin-top: 90px; }
.bio-section + .bio-section { padding-top: 28px; }
.bio-section-eyebrow {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px; font-weight: 600;
  letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--bio-t); margin-bottom: 12px;
}
.bio-section-title {
  font-size: clamp(24px, 3.4vw, 32px);
  font-weight: 700; line-height: 1.18;
  color: var(--text); letter-spacing: -0.02em;
  margin-bottom: 10px;
}
.bio-section-sub {
  font-size: 15px; line-height: 1.7;
  color: var(--text-tertiary);
  max-width: 760px; margin-bottom: 22px;
}
.bio-section-sub strong { color: var(--text-secondary); }
.bio-section-sub em { font-style: italic; color: var(--bio-t); }

/* ============================================
   BIG IDEA — kinds of intelligence
   ============================================ */
.bio-kinds {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 10px;
  margin-top: 14px;
}
.bio-kind {
  background: var(--bg-alt);
  border: 1px solid var(--border-light);
  border-left: 2px solid var(--bio-bd-soft);
  border-radius: 10px;
  padding: 12px 14px;
}
.bio-kind-h {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px; letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--bio-t);
  font-weight: 700;
  margin-bottom: 4px;
}
.bio-kind-d {
  font-size: 12.5px; line-height: 1.55;
  color: var(--text-secondary);
  margin: 0;
}

/* ============================================
   BIOLOGICAL INTELLIGENCE MAP — 10 cards
   Each card has: system / natural pattern / AI lesson
   ============================================ */
.bio-map {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 12px;
}
.bio-map-card {
  background: var(--bg-alt);
  border: 1px solid var(--border-light);
  border-radius: 12px;
  padding: 16px 18px;
  display: flex; flex-direction: column; gap: 10px;
  transition: border-color 0.16s, background 0.16s;
}
.bio-map-card:hover {
  background: var(--surface);
  border-color: var(--bio-bd-soft);
}
.bio-map-card-h {
  font-size: 15px; font-weight: 700;
  color: var(--text); margin: 0;
  letter-spacing: -0.005em; line-height: 1.3;
}
.bio-map-card-row {
  font-size: 12.5px; line-height: 1.6;
  color: var(--text-secondary); margin: 0;
}
.bio-map-card-row strong {
  display: block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 9.5px; letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin-bottom: 3px;
  font-weight: 700;
}
.bio-map-card-ai {
  border-top: 1px solid var(--border-light);
  padding-top: 8px;
  margin-top: 2px;
  font-size: 12.5px; line-height: 1.6;
  color: var(--text);
}
.bio-map-card-ai strong {
  display: block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 9.5px; letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--bio-t);
  margin-bottom: 3px;
  font-weight: 700;
}

/* ============================================
   DEEP DIVE — prose + AI-lesson callout
   ============================================ */
.bio-deep { display: grid; grid-template-columns: 1fr; gap: 16px; margin-top: 12px; }
.bio-deep-prose {
  font-size: 14.5px; line-height: 1.75;
  color: var(--text-secondary);
  max-width: 760px;
  margin: 0;
}
.bio-deep-prose strong { color: var(--text); }
.bio-deep-prose em { color: var(--bio-t); font-style: italic; }

.bio-lesson {
  background: linear-gradient(180deg, var(--bio-glow), transparent 90%), var(--bg-alt);
  border: 1px solid var(--bio-bd-soft);
  border-left: 3px solid var(--bio-bd);
  border-radius: 12px;
  padding: 16px 20px;
}
.bio-lesson-h {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px; letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--bio-t);
  font-weight: 700;
  margin-bottom: 8px;
  display: flex; align-items: center; gap: 8px;
}
.bio-lesson-h::before {
  content: ''; display: inline-block;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--bio-bd);
  box-shadow: 0 0 0 3px rgba(63, 164, 95, 0.18);
}
.bio-lesson-d {
  font-size: 13.5px; line-height: 1.65;
  color: var(--text-secondary);
  margin: 0 0 8px;
}
.bio-lesson-d:last-child { margin-bottom: 0; }
.bio-lesson-list {
  list-style: none; padding: 0; margin: 0;
  display: grid; gap: 4px;
}
.bio-lesson-list li {
  font-size: 13px; line-height: 1.6;
  color: var(--text-secondary);
  padding-left: 14px;
  position: relative;
}
.bio-lesson-list li::before {
  content: '·';
  position: absolute; left: 0;
  color: var(--bio-t);
  font-weight: 700;
}
.bio-lesson-pattern {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px; line-height: 1.65;
  color: var(--bio-t);
  background: var(--bio-bg-deep);
  border: 1px solid var(--bio-bd-faint);
  border-radius: 8px;
  padding: 10px 12px;
  margin-top: 10px;
}

/* ============================================
   DESIGN PATTERNS — 8 compact pattern cards
   ============================================ */
.bio-patterns {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 12px;
}
.bio-pattern {
  background: var(--bg-alt);
  border: 1px solid var(--border-light);
  border-left: 3px solid var(--bio-bd-soft);
  border-radius: 12px;
  padding: 14px 16px;
}
.bio-pattern-h {
  font-size: 14.5px; font-weight: 700;
  color: var(--text); margin: 0 0 4px;
  letter-spacing: -0.005em;
}
.bio-pattern-sub {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px; letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--bio-t);
  font-weight: 700;
  margin: 0 0 6px;
}
.bio-pattern-d {
  font-size: 13px; line-height: 1.65;
  color: var(--text-tertiary);
  margin: 0;
}

/* ============================================
   WHAT THIS MEANS — list of strategic implications
   ============================================ */
.bio-means {
  background: var(--bg-alt);
  border: 1px solid var(--border-light);
  border-radius: 12px;
  padding: 18px 22px;
}
.bio-means-list {
  list-style: none; padding: 0; margin: 0;
  display: grid; gap: 8px;
}
.bio-means-list li {
  font-size: 14px; line-height: 1.65;
  color: var(--text-secondary);
  padding-left: 18px;
  position: relative;
}
.bio-means-list li::before {
  content: '→';
  position: absolute; left: 0;
  color: var(--bio-t);
  font-weight: 700;
  font-family: 'JetBrains Mono', monospace;
}
.bio-means-list li strong { color: var(--text); }

/* ============================================
   RESOURCE LIBRARY — 3-col books / concepts / people
   ============================================ */
.bio-resources {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 14px;
}
.bio-resource {
  background: var(--bg-alt);
  border: 1px solid var(--border-light);
  border-radius: 12px;
  padding: 18px 20px;
}
.bio-resource-h {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px; letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--bio-t);
  font-weight: 700;
  margin-bottom: 12px;
}
.bio-resource-list {
  list-style: none; padding: 0; margin: 0;
  display: grid; gap: 6px;
}
.bio-resource-list li {
  font-size: 13px; line-height: 1.55;
  color: var(--text-secondary);
  padding-left: 14px;
  position: relative;
}
.bio-resource-list li::before {
  content: '·';
  position: absolute; left: 0;
  color: var(--bio-t);
  font-weight: 700;
}
.bio-resource-list li strong { color: var(--text); }
.bio-resource-list li em { color: var(--text-tertiary); font-style: normal; font-size: 11.5px; display: block; }

/* ============================================
   CLOSING BLOCK
   ============================================ */
.bio-closing {
  background: linear-gradient(180deg, var(--bio-glow), transparent 80%), var(--bg-alt);
  border: 1px solid var(--bio-bd-soft);
  border-radius: 16px;
  padding: 32px 30px;
  margin-top: 16px;
}
.bio-closing-h {
  font-size: clamp(22px, 3vw, 28px);
  font-weight: 700; line-height: 1.25;
  color: var(--text);
  margin: 0 0 12px;
  letter-spacing: -0.015em;
}
.bio-closing-d {
  font-size: 15px; line-height: 1.75;
  color: var(--text-secondary);
  max-width: 760px; margin: 0 0 22px;
}
.bio-closing-cta { display: flex; flex-wrap: wrap; gap: 10px; }

/* ============================================
   MOBILE
   ============================================ */
@media (max-width: 720px) {
  .bio-hero { padding: 130px 0 40px; }
  .bio-section { padding: 36px 0; }
  .bio-map-card { padding: 14px 16px; }
  .bio-lesson { padding: 14px 16px; }
  .bio-closing { padding: 22px 20px; }
  .bio-means { padding: 16px 18px; }
}
@media (max-width: 480px) {
  .bio-hero-title { font-size: 32px; }
  .bio-hero-subtitle { font-size: 15.5px; }
  .bio-hero-body { font-size: 14.5px; }
}

@media (prefers-reduced-motion: reduce) {
  .bio-map-card, .bio-btn, .bio-toc-list a { transition: none !important; }
}