:root {
  --bg-deep: #070b14;
  --bg-panel: #0e1626;
  --bg-panel-alt: #131d32;
  --border-subtle: rgba(226, 232, 240, 0.09);
  --border-strong: rgba(226, 212, 183, 0.28);

  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;

  --coral: #ff4d5e;
  --coral-soft: rgba(255, 77, 94, 0.14);
  --cyan: #38bdf8;
  --teal: #2dd4bf;
  --amber: #f59e0b;
  --ivory: #e2d4b7;
  --skin: #e8b49a;

  --font-serif: "Songti SC", "Noto Serif SC", "STSong", Georgia, serif;
  --font-sans: "PingFang SC", "Hiragino Sans GB", -apple-system, BlinkMacSystemFont, "Microsoft YaHei", sans-serif;
  --font-mono: "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;

  --radius-lg: 22px;
  --radius-md: 14px;
  --radius-sm: 10px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background-color: var(--bg-deep);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 18% 8%, rgba(255, 77, 94, 0.09), transparent 36%),
    radial-gradient(circle at 84% 24%, rgba(56, 189, 248, 0.08), transparent 38%),
    var(--bg-deep);
  overflow-x: hidden;
}

/* Sticky Editorial Navigation */
.top-nav {
  position: sticky;
  top: 0;
  z-index: 60;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: rgba(7, 11, 20, 0.82);
  border-bottom: 1px solid var(--border-subtle);
}

.top-nav-inner {
  max-width: 1260px;
  margin: 0 auto;
  padding: 0.78rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 700;
  font-size: 0.98rem;
  letter-spacing: 0.02em;
}

.brand-mark {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 2px solid var(--ivory);
  display: grid;
  place-items: center;
  position: relative;
  background: radial-gradient(circle, rgba(255, 77, 94, 0.35), transparent 70%);
}

.brand-mark::after {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--coral);
  box-shadow: 0 0 10px var(--coral);
}

.top-nav-links {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  flex-wrap: wrap;
}

.top-nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.86rem;
  padding: 0.4rem 0.8rem;
  border-radius: 999px;
  transition: color 0.2s ease, background 0.2s ease;
}

.top-nav-links a:hover,
.top-nav-links a.active {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.08);
}

/* Container & Layout */
.container {
  max-width: 1260px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Hero Header */
.hero {
  padding: 4.2rem 0 3rem;
  border-bottom: 1px solid var(--border-subtle);
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2.5rem;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ivory);
  background: rgba(226, 212, 183, 0.08);
  border: 1px solid rgba(226, 212, 183, 0.22);
  padding: 0.32rem 0.78rem;
  border-radius: 999px;
  margin-bottom: 1.1rem;
}

.hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(2.1rem, 4.1vw, 3.35rem);
  line-height: 1.18;
  margin: 0 0 1.15rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.hero h1 .accent {
  background: linear-gradient(120deg, #ff6b78, #e8b49a 55%, #fde68a);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-lead {
  font-size: 1.06rem;
  color: var(--text-secondary);
  margin: 0 0 1.7rem;
  max-width: 64ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.btn-primary,
.btn-secondary {
  appearance: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: 0.94rem;
  font-weight: 600;
  padding: 0.78rem 1.35rem;
  border-radius: 999px;
  transition: transform 0.18s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.btn-primary {
  background: linear-gradient(135deg, #ff4d5e, #e11d48);
  color: #fff;
  box-shadow: 0 10px 26px rgba(255, 77, 94, 0.32);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(255, 77, 94, 0.45);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-primary);
  border: 1px solid rgba(255, 255, 255, 0.16);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-2px);
}

/* Core Answer Summary Box in Hero Right */
.tldr-card {
  background: linear-gradient(160deg, rgba(19, 29, 50, 0.92), rgba(11, 16, 28, 0.95));
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  padding: 1.55rem 1.65rem;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
}

.tldr-header {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--teal);
  letter-spacing: 0.09em;
  margin-bottom: 0.85rem;
}

.tldr-item + .tldr-item {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px dashed rgba(255, 255, 255, 0.1);
}

.tldr-item h3 {
  margin: 0 0 0.35rem;
  font-size: 1rem;
  color: #fff;
}

.tldr-item p {
  margin: 0;
  font-size: 0.89rem;
  color: var(--text-secondary);
}

/* Section Headers */
.section-block {
  padding: 4.5rem 0;
  border-bottom: 1px solid var(--border-subtle);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 2.2rem;
}

.section-index {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--coral);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  display: block;
  margin-bottom: 0.45rem;
}

.section-heading h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.65rem, 3vw, 2.35rem);
  margin: 0 0 0.65rem;
  line-height: 1.25;
}

.section-heading p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.98rem;
}

/* ============================================================================
   SECTION 01: INTERACTIVE ANATOMY ATLAS & LIFECYCLE STAGE
   ============================================================================ */
.atlas-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.4rem;
}

.lifecycle-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.stage-tab {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--bg-panel);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  padding: 0.62rem 1.05rem;
  border-radius: 999px;
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  transition: all 0.2s ease;
}

.stage-tab-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  opacity: 0.65;
}

.stage-tab:hover {
  border-color: rgba(255, 255, 255, 0.25);
  color: #fff;
}

.stage-tab.active {
  background: rgba(255, 77, 94, 0.16);
  border-color: var(--coral);
  color: #fff;
  box-shadow: 0 0 22px rgba(255, 77, 94, 0.22);
}

.btn-autoplay {
  background: rgba(56, 189, 248, 0.12);
  border: 1px solid rgba(56, 189, 248, 0.36);
  color: #bae6fd;
  padding: 0.6rem 1.1rem;
  border-radius: 999px;
  cursor: pointer;
  font-size: 0.86rem;
  font-weight: 600;
  transition: all 0.2s ease;
}

.btn-autoplay.playing {
  background: rgba(245, 158, 11, 0.2);
  border-color: var(--amber);
  color: #fde68a;
}

.atlas-workspace {
  display: grid;
  grid-template-columns: minmax(320px, 640px) 1fr;
  gap: 1.8rem;
  align-items: start;
}

.canvas-frame {
  background: #0b101c;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 0.75rem;
  box-shadow: 0 22px 55px rgba(0, 0, 0, 0.5);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.canvas-frame canvas {
  display: block;
  border-radius: 14px;
  max-width: 100%;
}

.canvas-caption {
  width: 100%;
  margin-top: 0.65rem;
  padding: 0.55rem 0.85rem;
  background: rgba(255, 255, 255, 0.03);
  border-radius: 10px;
  font-size: 0.82rem;
  color: var(--ivory);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.atlas-inspector {
  background: var(--bg-panel);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
}

.stage-badge {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--coral);
  letter-spacing: 0.08em;
}

.atlas-inspector h3 {
  font-family: var(--font-serif);
  font-size: 1.55rem;
  margin: 0.35rem 0 0.25rem;
}

.stage-subtitle {
  color: var(--ivory);
  font-size: 0.95rem;
  margin: 0 0 1rem;
  font-weight: 500;
}

.stage-summary {
  color: var(--text-secondary);
  font-size: 0.94rem;
  margin: 0 0 1.35rem;
}

.btn-cut-cord {
  width: 100%;
  margin-bottom: 1.25rem;
  padding: 0.85rem 1.2rem;
  border-radius: 12px;
  border: 1px solid #fb7185;
  background: linear-gradient(135deg, #ff4d5e, #be123c);
  color: #fff;
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 8px 25px rgba(255, 77, 94, 0.35);
  transition: all 0.2s ease;
}

.btn-cut-cord.is-done {
  background: rgba(45, 212, 191, 0.16);
  border-color: var(--teal);
  color: #99f6e4;
  box-shadow: none;
}

.highlight-list {
  display: grid;
  gap: 0.8rem;
}

.highlight-item {
  background: rgba(255, 255, 255, 0.03);
  border-left: 3px solid var(--ivory);
  padding: 0.75rem 0.95rem;
  border-radius: 0 10px 10px 0;
}

.highlight-item strong {
  display: block;
  font-size: 0.9rem;
  color: #fff;
  margin-bottom: 0.2rem;
}

.highlight-item p {
  margin: 0;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Pathology Switcher Strip */
.pathology-panel {
  margin-top: 2rem;
  background: var(--bg-panel);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.4rem;
}

.pathology-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.9rem;
}

.pathology-header h4 {
  margin: 0;
  font-size: 0.98rem;
  color: var(--ivory);
}

.pathology-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 0.65rem;
}

.path-btn {
  text-align: left;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 0.65rem 0.85rem;
  cursor: pointer;
  color: var(--text-secondary);
  transition: all 0.18s ease;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.path-btn:hover {
  border-color: rgba(255, 255, 255, 0.24);
}

.path-btn.active {
  background: rgba(56, 189, 248, 0.13);
  border-color: var(--cyan);
  color: #fff;
}

.path-btn-title {
  font-size: 0.88rem;
  font-weight: 600;
}

.path-btn-badge {
  font-size: 0.74rem;
  color: var(--text-muted);
}

.pathology-desc {
  margin: 0.85rem 0 0;
  font-size: 0.88rem;
  color: #bae6fd;
}

/* 4 Destination Ligament Cards */
.ligaments-subheading {
  margin: 2.6rem 0 1.1rem;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.ligaments-subheading h3 {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 1.4rem;
}

.ligaments-subheading span {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.ligaments-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.1rem;
}

.ligament-card {
  background: var(--bg-panel);
  border: 1px solid var(--border-subtle);
  border-top: 3px solid var(--lig-color);
  border-radius: var(--radius-md);
  padding: 1.35rem 1.45rem;
  cursor: pointer;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.ligament-card:hover {
  transform: translateY(-3px);
  border-color: var(--lig-color);
}

.ligament-card.active {
  background: var(--bg-panel-alt);
  border-color: var(--lig-color);
  box-shadow: 0 12px 34px rgba(0, 0, 0, 0.4);
}

.ligament-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.45rem;
}

.ligament-dir {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--lig-color);
}

.ligament-latin {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--text-muted);
}

.ligament-title {
  margin: 0 0 0.65rem;
  font-size: 1.18rem;
}

.ligament-route {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 0.75rem;
  font-size: 0.8rem;
}

.route-badge {
  padding: 0.2rem 0.55rem;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-secondary);
}

.route-badge.dest {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  font-weight: 600;
}

.route-arrow {
  color: var(--lig-color);
}

.ligament-desc {
  margin: 0 0 0.85rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.ligament-secret {
  display: flex;
  gap: 0.55rem;
  align-items: flex-start;
  background: rgba(0, 0, 0, 0.26);
  padding: 0.7rem 0.85rem;
  border-radius: 10px;
  font-size: 0.83rem;
  color: var(--ivory);
}

.ligament-secret p {
  margin: 0;
}

/* ============================================================================
   SECTION 02: POKE NEURAL REFLEX SIMULATOR
   ============================================================================ */
.poke-layout {
  display: grid;
  grid-template-columns: minmax(300px, 620px) 1fr;
  gap: 1.8rem;
  align-items: center;
}

.poke-controls-card {
  background: var(--bg-panel);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.7rem;
}

.shape-switch {
  display: inline-flex;
  background: rgba(0, 0, 0, 0.35);
  padding: 0.28rem;
  border-radius: 999px;
  border: 1px solid var(--border-subtle);
  margin-bottom: 1.35rem;
}

.shape-switch button {
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 0.45rem 1rem;
  border-radius: 999px;
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 600;
  transition: all 0.18s ease;
}

.shape-switch button.active {
  background: var(--ivory);
  color: #0f172a;
}

.slider-group {
  margin-bottom: 1.25rem;
}

.slider-group label {
  display: flex;
  justify-content: space-between;
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-bottom: 0.45rem;
}

input[type="range"] {
  width: 100%;
  accent-color: var(--teal);
  cursor: pointer;
}

.poke-meter-bar {
  height: 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
  margin-bottom: 1.1rem;
}

.poke-meter-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #2dd4bf, #f59e0b 65%, #ff4d5e);
  transition: width 0.08s linear;
}

.poke-readout-box {
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 1rem 1.15rem;
  margin-bottom: 1.15rem;
}

.poke-readout-box h4 {
  margin: 0 0 0.4rem;
  font-size: 1.02rem;
}

.poke-readout-box h4[data-level="calm"] {
  color: #94a3b8;
}
.poke-readout-box h4[data-level="mild"] {
  color: #2dd4bf;
}
.poke-readout-box h4[data-level="tingle"] {
  color: #fbbf24;
}
.poke-readout-box h4[data-level="danger"] {
  color: #ff5a67;
}

.poke-readout-box p {
  margin: 0;
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.btn-hold-poke {
  width: 100%;
  padding: 0.82rem;
  border-radius: 12px;
  border: 1px solid rgba(45, 212, 191, 0.45);
  background: rgba(45, 212, 191, 0.14);
  color: #99f6e4;
  font-weight: 700;
  font-size: 0.92rem;
  cursor: pointer;
  user-select: none;
  transition: all 0.15s ease;
}

.btn-hold-poke:active {
  transform: scale(0.98);
  background: rgba(245, 158, 11, 0.25);
  border-color: var(--amber);
  color: #fde68a;
}

/* ============================================================================
   SECTION 03: MODERN USES & MICROBIOME PETRI DISH
   ============================================================================ */
.modern-uses-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.15rem;
  margin-bottom: 2.6rem;
}

.use-card {
  background: var(--bg-panel);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.45rem 1.55rem;
  display: flex;
  flex-direction: column;
}

.use-card-header {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.55rem;
}

.use-icon {
  font-size: 1.4rem;
}

.use-tag {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--cyan);
  background: rgba(56, 189, 248, 0.1);
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
}

.use-card h3 {
  margin: 0 0 0.2rem;
  font-size: 1.16rem;
}

.use-sub {
  margin: 0 0 0.75rem;
  font-size: 0.84rem;
  color: var(--ivory);
}

.use-body {
  margin: 0 0 1.1rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
  flex: 1;
}

.use-stat {
  border-top: 1px solid var(--border-subtle);
  padding-top: 0.75rem;
  display: flex;
  align-items: baseline;
  gap: 0.65rem;
}

.use-stat strong {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  color: var(--teal);
}

.use-stat span {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Microbiome Petri Dish Showcase */
.microbiome-showcase {
  background: linear-gradient(145deg, #0d1627, #090f1c);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  padding: 2rem;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 2.2rem;
  align-items: center;
}

.dish-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.dish-hint {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 0.5rem;
}

.specimen-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1rem 0 1.2rem;
}

.spec-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  padding: 0.38rem 0.78rem;
  border-radius: 999px;
  font-size: 0.82rem;
  cursor: pointer;
  transition: all 0.18s ease;
}

.spec-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--dot);
}

.spec-pill.active {
  background: rgba(255, 255, 255, 0.12);
  border-color: var(--dot);
  color: #fff;
}

.specimen-detail {
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  padding: 1.15rem 1.3rem;
}

.specimen-detail-top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.45rem;
}

.specimen-detail h4 {
  margin: 0;
  font-size: 1.12rem;
}

.spec-latin {
  font-family: var(--font-mono);
  font-style: italic;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.spec-rarity {
  font-size: 0.75rem;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  border: 1px solid;
}

/* ============================================================================
   SECTION 04: COMPARATIVE SPECIES & MYTHBUSTERS
   ============================================================================ */
.species-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-bottom: 1.4rem;
}

.species-tab {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  background: var(--bg-panel);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  padding: 0.58rem 1rem;
  border-radius: 999px;
  font-size: 0.88rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.species-tab.active {
  background: rgba(226, 212, 183, 0.15);
  border-color: var(--ivory);
  color: #fff;
}

.species-stage {
  background: var(--bg-panel);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 2rem;
  align-items: center;
}

.sp-verdict {
  display: inline-block;
  font-size: 0.84rem;
  font-weight: 700;
  padding: 0.3rem 0.8rem;
  border-radius: 999px;
  border: 1px solid;
  margin: 0.6rem 0 0.85rem;
}

.myth-grid {
  display: grid;
  gap: 0.9rem;
  margin-top: 1.5rem;
}

.myth-card {
  background: var(--bg-panel);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.myth-trigger {
  width: 100%;
  background: transparent;
  border: none;
  color: var(--text-primary);
  padding: 1.15rem 1.4rem;
  text-align: left;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: 0.98rem;
  font-weight: 600;
}

.myth-toggle-icon {
  font-size: 0.8rem;
  color: var(--ivory);
  white-space: nowrap;
}

.myth-answer {
  display: none;
  padding: 0 1.4rem 1.25rem;
  border-top: 1px dashed var(--border-subtle);
}

.myth-card[data-open="true"] .myth-answer {
  display: block;
  padding-top: 1rem;
}

.myth-truth {
  display: block;
  color: var(--teal);
  margin-bottom: 0.35rem;
  font-size: 0.95rem;
}

.myth-answer p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.site-footer {
  padding: 3rem 0;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* Responsive Breakpoints */
@media (max-width: 980px) {
  .hero-grid,
  .atlas-workspace,
  .poke-layout,
  .microbiome-showcase,
  .species-stage {
    grid-template-columns: 1fr;
  }

  .ligaments-grid,
  .modern-uses-grid {
    grid-template-columns: 1fr;
  }
}