/* ==========================================================================
   PENIXIO COMPONENTS STYLESHEET (components.css)
   Interactive Diagnostic Widget, Dual-Mode Worksheet Preview Cards,
   Pricing Ladders, Progression Chains, and Floating Review Toolbar.
   Unified with penixio_core.js Neo-Brutalist Cut-Card System.
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Interactive Diagnostic Skills Check Widget
   -------------------------------------------------------------------------- */
.diagnostic-card {
  background-color: var(--bg-surface);
  border: var(--card-border-width) solid var(--border-color);
  border-radius: var(--border-radius-md);
  padding: clamp(1.25rem, 3vw, 2.5rem);
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.diagnostic-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  padding-bottom: 0.85rem;
  border-bottom: var(--card-border-width) solid var(--border-color);
}

/* Grade selector row */
.probe-controls-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 1.25rem;
  padding-bottom: 0.85rem;
  border-bottom: 1.5px solid var(--border-color);
}

.probe-grade-label {
  font-weight: 800;
  font-size: 0.8rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* Segmented pill bar — full width, equal-flex tabs */
.probe-year-toggle-bar {
  display: flex;
  width: 100%;
  background-color: var(--bg-surface-alt);
  border: var(--card-border-width) solid var(--border-color);
  border-radius: var(--border-radius-pill);
  padding: 3px;
  gap: 3px;
}

.probe-year-tab {
  flex: 1;
  background: transparent;
  border: none;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  padding: 0.45rem 0.5rem;
  border-radius: var(--border-radius-pill);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
  text-align: center;
  line-height: 1.2;
}

.probe-year-tab:hover {
  color: var(--text-primary);
}

.probe-year-tab.active {
  background-color: var(--accent-primary);
  color: #FFFFFF;
  box-shadow: var(--shadow-sm);
}

.probe-stretch-pill {
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.45rem 1rem;
  border-radius: var(--border-radius-pill);
  background-color: var(--gold-bg);
  color: var(--gold-text);
  border: var(--card-border-width) solid var(--border-color);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition: all 0.15s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.probe-stretch-pill:hover {
  transform: translate(-1px, -1px);
  box-shadow: var(--shadow-md);
}

.probe-stretch-pill.active {
  background-color: var(--accent-secondary);
  color: #FFFFFF;
}

.diagnostic-step-pill {
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.35rem 0.85rem;
  border-radius: var(--border-radius-pill);
  background-color: var(--gold-bg);
  color: var(--gold-text);
  border: var(--card-border-width) solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.diagnostic-progress-bar {
  height: 8px;
  background-color: var(--bg-surface-alt);
  border: 1.5px solid var(--border-color);
  border-radius: var(--border-radius-pill);
  overflow: hidden;
  margin-bottom: 1.5rem;
}

.diagnostic-progress-fill {
  height: 100%;
  background-color: var(--accent-primary);
  transition: width 0.25s ease;
}

.diagnostic-visual-box {
  background-color: var(--bg-surface);
  border: var(--card-border-width) solid var(--border-color);
  border-radius: var(--border-radius-sm);
  box-shadow: var(--shadow-sm);
  padding: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 140px;
  margin-bottom: 1.5rem;
}

/* SVG diagram wrapper */
.probe-diagram-box {
  margin-bottom: 1.1rem;
  border-radius: var(--border-radius-sm);
  overflow: hidden;
}
.probe-diagram-box svg {
  display: block;
  width: 100%;
  height: auto;
}

.diagnostic-stem {
  font-family: var(--font-body);
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.5;
  text-transform: none;
  letter-spacing: normal;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.diagnostic-options {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  margin-bottom: 1.25rem;
}

.diagnostic-option-btn {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 0.85rem;
  padding: 0.75rem 1rem;
  background-color: var(--bg-surface);
  border: var(--card-border-width) solid var(--border-color);
  border-radius: var(--border-radius-sm);
  box-shadow: var(--shadow-sm);
  font-family: var(--font-body);
  font-size: 0.975rem;
  font-weight: 700;
  color: var(--text-primary);
  cursor: pointer;
  transition: all 0.12s ease;
  text-align: left;
  min-height: 48px;
}

.diagnostic-option-btn:hover {
  background-color: var(--bg-surface-alt);
  transform: translate(-1px, -1px);
  box-shadow: var(--shadow-md);
}

.diagnostic-option-btn.selected {
  border-color: var(--accent-primary);
  background-color: var(--accent-soft);
  box-shadow: var(--shadow-md);
}

.diagnostic-option-btn.correct {
  border-color: var(--border-color);
  background-color: #06D6A0;
  color: #1A1A1A;
  box-shadow: var(--shadow-md);
}

.diagnostic-option-btn.incorrect {
  border-color: var(--border-color);
  background-color: var(--accent-primary);
  color: #FFFFFF;
  box-shadow: var(--shadow-md);
}

.diagnostic-opt-key {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: 4px;
  border: 2px solid var(--border-color);
  background-color: var(--bg-surface);
  color: var(--text-primary);
  font-family: var(--font-accent);
  font-size: 1.25rem;
  font-weight: 700;
  box-shadow: 1.5px 1.5px 0 var(--border-color);
  flex-shrink: 0;
}

.diagnostic-feedback-banner {
  padding: 1rem 1.25rem;
  border-radius: var(--border-radius-sm);
  border: var(--card-border-width) solid var(--border-color);
  box-shadow: var(--shadow-sm);
  margin-bottom: 1.25rem;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 700;
  display: none;
  animation: fadeIn 0.2s ease;
}

.diagnostic-feedback-banner.show {
  display: block;
}

.diagnostic-feedback-banner.feedback-correct {
  background-color: #06D6A0;
  color: #1A1A1A;
}

.diagnostic-feedback-banner.feedback-incorrect {
  background-color: var(--accent-primary);
  color: #FFFFFF;
}

/* Final Recommendation Box */
.diagnostic-result-box {
  display: none;
  text-align: center;
  padding: 1.5rem 0;
  animation: fadeIn 0.3s ease;
}

.diagnostic-result-box.show {
  display: block;
}

.diagnostic-score-badge {
  display: inline-block;
  font-size: 3rem;
  font-weight: 800;
  font-family: var(--font-accent);
  color: var(--accent-primary);
  margin-bottom: 0.5rem;
}

.diagnostic-recommendation-card {
  background-color: var(--bg-surface);
  border: var(--card-border-width) solid var(--border-color);
  border-radius: var(--border-radius-sm);
  box-shadow: var(--shadow-md);
  padding: 1.5rem;
  margin: 1.5rem 0;
  text-align: left;
}

/* --------------------------------------------------------------------------
   2. Dual-Mode Sample Worksheet Preview Card
   -------------------------------------------------------------------------- */
.worksheet-preview-card {
  background-color: var(--bg-surface);
  border: var(--card-border-width) solid var(--border-color);
  border-radius: var(--border-radius-md);
  padding: 1.75rem;
  box-shadow: var(--shadow-lg);
  position: relative;
  z-index: 5;
}

.preview-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.65rem;
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px dashed var(--border-color);
}

.preview-mode-switch {
  display: inline-flex;
  background-color: var(--bg-surface-alt);
  border: var(--card-border-width) solid var(--border-color);
  border-radius: var(--border-radius-pill);
  padding: 3px;
  box-shadow: var(--shadow-sm);
}

.preview-mode-btn {
  padding: 0.4rem 0.9rem;
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  border-radius: var(--border-radius-pill);
  cursor: pointer;
  transition: all 0.12s ease;
}

.preview-mode-btn.active {
  background-color: var(--text-primary);
  color: #FFFFFF;
  box-shadow: 2px 2px 0 rgba(0,0,0,0.2);
}

.worksheet-paper {
  background-color: #FFFFFF;
  color: #1A1A1A;
  border: var(--card-border-width) solid var(--border-color);
  border-radius: var(--border-radius-sm);
  box-shadow: var(--shadow-sm);
  padding: 1.5rem;
  position: relative;
  min-height: 280px;
}

.worksheet-ruled-lines {
  background-image: repeating-linear-gradient(0deg, transparent, transparent 25px, rgba(27, 42, 74, 0.08) 26px);
  background-size: 100% 26px;
}

.worksheet-teacher-annotation {
  font-family: var(--font-handwriting);
  color: var(--accent-primary);
  font-size: 1.25rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  pointer-events: none;
  transition: opacity 0.2s ease;
  line-height: 1.2;
}

@media (min-width: 992px) {
  .worksheet-teacher-annotation {
    font-size: 1.35rem;
  }
}

.student-mode .worksheet-teacher-annotation,
.student-mode .teacher-mark-circle,
.student-mode .teacher-solution-text {
  display: none !important;
}

.teacher-mark-circle {
  border: 2.5px solid var(--accent-primary);
  border-radius: 50%;
  width: 34px;
  height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-primary);
  font-weight: 800;
  font-family: var(--font-handwriting);
  font-size: 1.35rem;
  box-shadow: 2px 2px 0 rgba(0,0,0,0.1);
  animation: popIn 0.3s ease;
}

/* --------------------------------------------------------------------------
   3. Pricing & Bundle Ladder Cards
   -------------------------------------------------------------------------- */
/* Diagnostic Assessment Banner above Pricing Grid */
.pricing-diagnostic-banner {
  background-color: #FFFFFF;
  border: var(--card-border-width) solid var(--border-color);
  border-radius: var(--border-radius-md);
  padding: 1.75rem 2rem;
  box-shadow: var(--shadow-md);
  margin-top: 2rem;
  margin-bottom: 0.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  position: relative;
}

.pricing-diagnostic-banner:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-lg);
}

.pricing-diagnostic-banner-content {
  flex: 1;
}

.pricing-diagnostic-banner-action {
  flex-shrink: 0;
}

@media (min-width: 768px) {
  .pricing-diagnostic-banner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
  }
}

.pricing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: 1.5rem;
}

@media (min-width: 640px) and (max-width: 991px) {
  .pricing-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    max-width: 760px;
    margin-left: auto;
    margin-right: auto;
    align-items: stretch;
  }
}

@media (min-width: 992px) {
  .pricing-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: stretch;
  }
}

.pricing-card {
  min-width: 0;
  background-color: var(--bg-surface);
  border: var(--card-border-width) solid var(--border-color);
  border-radius: var(--border-radius-md);
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  position: relative;
  box-shadow: var(--shadow-md);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.pricing-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-lg);
}

.card.featured {
  overflow: visible;
}

.pricing-card.featured {
  border-color: var(--border-color);
  box-shadow: var(--shadow-lg);
  background-color: var(--bg-surface);
}

.pricing-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--accent-primary);
  color: #FFFFFF;
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.3rem 0.95rem;
  border-radius: var(--border-radius-pill);
  border: var(--card-border-width) solid var(--border-color);
  box-shadow: var(--shadow-sm);
  z-index: 10;
}

.pricing-price {
  font-size: 3.25rem;
  font-weight: 800;
  font-family: var(--font-accent);
  color: var(--text-primary);
  line-height: 1;
  margin: 1rem 0 0.5rem;
}

.pricing-price span {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
}

.pricing-features {
  margin: 1.5rem 0 2rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.pricing-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.pricing-feature-item .check-icon {
  color: var(--accent-tertiary);
  font-weight: 800;
}

/* --------------------------------------------------------------------------
   4. Progression Timeline & Learning Steps (makeStepRow Architecture)
   -------------------------------------------------------------------------- */
.progression-chain {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  position: relative;
  margin: 2rem 0;
}

@media (min-width: 640px) and (max-width: 991px) {
  .progression-chain {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
  }
  .progression-chain > .progression-step:last-child:nth-child(odd) {
    grid-column: span 2;
  }
}

@media (min-width: 992px) {
  .progression-chain {
    display: flex;
    flex-direction: row;
    align-items: stretch;
  }
}

.progression-step {
  flex: 1;
  min-width: 0;
  background-color: var(--bg-surface);
  border: var(--card-border-width) solid var(--border-color);
  border-radius: var(--border-radius-sm);
  padding: 1.25rem;
  position: relative;
  box-shadow: var(--shadow-sm);
  transition: all 0.12s ease;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.progression-step:hover {
  transform: translate(-1px, -1px);
  box-shadow: var(--shadow-md);
}

.progression-step.victory {
  background-color: var(--accent-soft);
  box-shadow: var(--shadow-md);
}

.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-accent);
  font-size: 1.75rem;
  line-height: 1;
  color: var(--accent-primary);
}

.step-title {
  font-family: var(--font-body);
  font-weight: 800;
  font-size: 1rem;
  text-transform: uppercase;
  color: var(--text-primary);
}

.step-desc {
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
  line-height: 1.45;
}

/* --------------------------------------------------------------------------
   5. Objection Buster Side-by-Side Comparison
   -------------------------------------------------------------------------- */
.objection-comparison {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin: 2rem 0;
}

@media (min-width: 768px) {
  .objection-comparison {
    grid-template-columns: 1fr 1fr;
  }
}

.comparison-box {
  padding: 1.75rem;
  border-radius: var(--border-radius-sm);
  border: var(--card-border-width) solid var(--border-color);
  background-color: var(--bg-surface);
  box-shadow: var(--shadow-sm);
}

.comparison-box.standard {
  border-color: var(--border-color);
  background-color: var(--bg-surface-alt);
}

.comparison-box.penixio {
  border-color: var(--border-color);
  background-color: var(--bg-surface);
  box-shadow: var(--shadow-md);
}

/* --------------------------------------------------------------------------
   6. Floating Review Toolbar (Master Dashboard & Standalone Switcher)
   -------------------------------------------------------------------------- */
.dashboard-toolbar {
  display: none !important;
  position: fixed;
  bottom: 1.25rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 9999;
  background-color: var(--bg-surface);
  border: var(--card-border-width) solid var(--border-color);
  border-radius: var(--border-radius-pill);
  padding: 0.5rem 1.25rem;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  max-width: 95vw;
  flex-wrap: wrap;
}

.toolbar-group {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.toolbar-label {
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-primary);
  margin-right: 0.25rem;
}

.toolbar-select {
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 700;
  padding: 0.35rem 0.75rem;
  border-radius: var(--border-radius-pill);
  border: var(--card-border-width) solid var(--border-color);
  background-color: var(--bg-surface-alt);
  color: var(--text-primary);
  cursor: pointer;
  outline: none;
}

.toolbar-btn {
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 0.35rem 0.85rem;
  border-radius: var(--border-radius-pill);
  border: var(--card-border-width) solid var(--border-color);
  background-color: var(--bg-surface-alt);
  color: var(--text-primary);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition: all 0.12s ease;
}

.toolbar-btn.active,
.toolbar-btn:hover {
  background-color: var(--accent-primary);
  color: #FFFFFF;
}

/* Viewport Preview Simulator Frame Container */
.viewport-simulator-wrapper {
  width: 100%;
  display: flex;
  justify-content: center;
  padding: 1rem 0 6rem;
  transition: all 0.3s ease;
}

.viewport-frame {
  width: 100%;
  max-width: 100%;
  border: none;
  min-height: calc(100vh - 120px);
  background-color: var(--bg-page);
  transition: max-width 0.3s ease, box-shadow 0.3s ease;
}

.viewport-mobile {
  max-width: 375px;
  border: 4px solid var(--border-color);
  border-radius: 24px;
  box-shadow: var(--shadow-lg);
  height: 720px;
}

.viewport-tablet {
  max-width: 768px;
  border: 4px solid var(--border-color);
  border-radius: 18px;
  box-shadow: var(--shadow-lg);
  height: 900px;
}

.viewport-desktop {
  max-width: 100%;
  border: none;
  border-radius: 0;
  box-shadow: none;
  height: 100%;
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes popIn {
  0% { transform: scale(0.6); opacity: 0; }
  80% { transform: scale(1.1); }
  100% { transform: scale(1); opacity: 1; }
}

/* --------------------------------------------------------------------------
   8. In-Page Checkout Modal (P0 Milestone 1)
   -------------------------------------------------------------------------- */
.checkout-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(18, 10, 38, 0.65);
  backdrop-filter: blur(3px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  padding: 1rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, visibility 0.2s ease;
}

.checkout-modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.checkout-modal-card {
  background: var(--bg-surface, #FFFFFF);
  border: 3px solid var(--border-color, #1A1A1A);
  border-radius: var(--border-radius-md, 10px);
  box-shadow: var(--shadow-lg, 6px 6px 0 #1A1A1A);
  width: 100%;
  max-width: 560px;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  transform: scale(0.94);
  transition: transform 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.checkout-modal-overlay.active .checkout-modal-card {
  transform: scale(1);
}

.checkout-modal-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 2.5px solid var(--border-color, #1A1A1A);
  background: var(--gold-bg, #FFE566);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.checkout-modal-close {
  background: #FFFFFF;
  border: 2px solid var(--border-color, #1A1A1A);
  border-radius: 50%;
  width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 800;
  cursor: pointer;
  box-shadow: 2px 2px 0 var(--border-color, #1A1A1A);
  transition: transform 0.1s ease;
  line-height: 1;
}

.checkout-modal-close:hover {
  transform: translate(-1px, -1px);
}

.checkout-modal-body {
  padding: 1.5rem;
}

.checkout-scaffolds-list {
  list-style: none;
  padding: 0;
  margin: 1rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.checkout-scaffold-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--text-primary, #1A1A1A);
  font-weight: 700;
}

.checkout-scaffold-icon {
  color: #06D6A0;
  font-weight: 900;
  font-size: 1rem;
}

.checkout-anchor-quote {
  background: var(--bg-surface-alt, #F8F9FA);
  border-left: 3.5px solid var(--accent-primary, #D6432F);
  padding: 0.65rem 0.85rem;
  border-radius: 4px;
  font-size: 0.8125rem;
  font-style: italic;
  color: var(--text-secondary, #555);
  margin: 1rem 0;
}

/* --------------------------------------------------------------------------
   9. Mobile Affordance Hint & Topic Switcher (P0 Milestone 2 & P2 Milestone 7)
   -------------------------------------------------------------------------- */
.preview-affordance-hint {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: var(--gold-bg, #FFE566);
  color: var(--gold-text, #1A1A1A);
  border: 1.5px solid var(--border-color, #1A1A1A);
  border-radius: var(--border-radius-pill, 999px);
  padding: 0.3rem 0.75rem;
  font-family: var(--font-heading, sans-serif);
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0.75rem;
  box-shadow: 2px 2px 0 var(--border-color, #1A1A1A);
  animation: hintBounce 2s infinite ease-in-out;
}

@keyframes hintBounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-3px); }
}

.preview-affordance-hint.hint-dismissed {
  display: none !important;
}

.hero-topic-switcher {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: 0.85rem;
  align-items: center;
}

.hero-topic-btn {
  padding: 0.35rem 0.75rem;
  font-family: var(--font-heading, sans-serif);
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  border-radius: var(--border-radius-pill, 999px);
  border: 2px solid var(--border-color, #1A1A1A);
  background: var(--bg-surface, #FFFFFF);
  color: var(--text-primary, #1A1A1A);
  cursor: pointer;
  box-shadow: 2px 2px 0 var(--border-color, #1A1A1A);
  transition: all 0.12s ease;
}

.hero-topic-btn:hover {
  background: var(--bg-surface-alt, #F8F9FA);
  transform: translate(-1px, -1px);
  box-shadow: 3px 3px 0 var(--border-color, #1A1A1A);
}

.hero-topic-btn.active {
  background: var(--accent-primary, #D6432F);
  color: #FFFFFF;
  box-shadow: 2px 2px 0 var(--border-color, #1A1A1A);
}

/* --------------------------------------------------------------------------
   10. Human-First Syllabus Badges & Tooltips (P1 Milestone 4)
   -------------------------------------------------------------------------- */
.badge-human-first-wrap {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.badge-skill-name {
  font-family: var(--font-heading, sans-serif);
  font-size: 0.8125rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--text-primary, #1A1A1A);
}

.badge-syllabus-pill {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-body, sans-serif);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  background: var(--bg-surface-alt, #EEF2F6);
  color: var(--text-secondary, #4B5563);
  border: 1.5px solid var(--border-color, #1A1A1A);
  position: relative;
  cursor: help;
}

[data-tooltip] {
  position: relative;
  cursor: help;
}

[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  background: #1A1A1A;
  color: #FFFFFF;
  font-family: var(--font-body, sans-serif);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: none;
  letter-spacing: normal;
  line-height: 1.3;
  padding: 0.4rem 0.65rem;
  border-radius: 4px;
  white-space: normal;
  width: max-content;
  max-width: 220px;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.15s ease, transform 0.15s ease;
  z-index: 100;
  box-shadow: 2px 2px 0 rgba(0,0,0,0.3);
}

[data-tooltip]:hover::after,
[data-tooltip]:focus::after,
[data-tooltip].tooltip-active::after {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

/* --------------------------------------------------------------------------
   11. Bifurcated Navigation Switcher (P2 Milestone 6)
   -------------------------------------------------------------------------- */
.nav-audience-switcher {
  display: inline-flex;
  background: var(--bg-surface-alt, #F8F9FA);
  border: 2px solid var(--border-color, #1A1A1A);
  border-radius: var(--border-radius-pill, 999px);
  padding: 3px;
  box-shadow: var(--shadow-sm, 2px 2px 0 #1A1A1A);
  margin-right: 0.75rem;
}

.audience-btn {
  padding: 0.35rem 0.75rem;
  font-family: var(--font-heading, sans-serif);
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  border: none;
  background: transparent;
  color: var(--text-secondary, #666);
  border-radius: var(--border-radius-pill, 999px);
  cursor: pointer;
  transition: all 0.12s ease;
}

.audience-btn.active {
  background: var(--text-primary, #1A1A1A);
  color: #FFFFFF;
  box-shadow: 1.5px 1.5px 0 rgba(0,0,0,0.2);
}

/* Visibility rules driven by body or nav attribute */
body[data-audience="families"] .nav-link-educator,
nav[data-audience-group="families"] .nav-link-educator {
  display: none !important;
}

body[data-audience="educators"] .nav-link-family,
nav[data-audience-group="educators"] .nav-link-family {
  display: none !important;
}

/* --------------------------------------------------------------------------
   12. Two-Tier Diagnostic Layout (P1 Milestone 5)
   -------------------------------------------------------------------------- */
.diagnostic-tier1-banner {
  background: var(--gold-bg, #FFE566);
  border: 2.5px solid var(--border-color, #1A1A1A);
  border-radius: var(--border-radius-sm, 6px);
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.25rem;
  box-shadow: var(--shadow-sm, 2px 2px 0 #1A1A1A);
  text-align: left;
}

.diagnostic-tier2-box {
  background: var(--bg-surface, #FFFFFF);
  border: 2.5px solid var(--border-color, #1A1A1A);
  border-radius: var(--border-radius-sm, 6px);
  padding: 1.25rem;
  margin-top: 1rem;
  box-shadow: var(--shadow-sm, 2px 2px 0 #1A1A1A);
  text-align: left;
}