html {
  font-size: calc(100% * var(--a11y-font-scale, 1));
}

.accessibility-settings,
.accessibility-settings * {
  box-sizing: border-box;
}

.accessibility-settings {
  position: fixed;
  right: clamp(14px, 2vw, 24px);
  bottom: clamp(18px, 3vw, 32px);
  z-index: 100000;
  display: grid;
  justify-items: end;
  gap: 12px;
  color: #111315;
  font-family: Inter, Lato, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: calc(1rem / var(--a11y-font-scale, 1));
  line-height: 1.45;
  text-align: left;
}

.accessibility-settings__toggle {
  position: relative;
  z-index: 100001;
  width: 58px;
  height: 58px;
  display: inline-grid;
  place-items: center;
  flex: 0 0 auto;
  border: 3px solid #ffffff;
  border-radius: 999px;
  background: #075fc9;
  color: #ffffff;
  box-shadow: 0 14px 34px rgba(7, 95, 201, 0.34), 0 0 0 6px rgba(7, 95, 201, 0.17);
  cursor: pointer;
  transition: background-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.accessibility-settings__toggle:hover {
  background: #004fae;
  box-shadow: 0 17px 40px rgba(7, 95, 201, 0.4), 0 0 0 7px rgba(7, 95, 201, 0.22);
  transform: translateY(-1px);
}

.accessibility-settings__toggle:focus-visible,
.accessibility-settings__panel :where(button, input, select):focus-visible {
  outline: 3px solid #ffbf47;
  outline-offset: 3px;
}

.accessibility-settings__toggle svg {
  width: 31px;
  height: 31px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.accessibility-settings__toggle-hint {
  position: absolute;
  right: calc(100% + 12px);
  top: 50%;
  width: max-content;
  max-width: min(150px, calc(100vw - 104px));
  border: 1px solid rgba(17, 19, 21, 0.12);
  border-radius: 999px;
  padding: 6px 10px;
  background: rgba(255, 255, 255, 0.94);
  color: #384352;
  font-size: 0.68rem;
  font-weight: 760;
  letter-spacing: 0.01em;
  line-height: 1.2;
  box-shadow: 0 8px 22px rgba(29, 38, 51, 0.13);
  pointer-events: none;
  transform: translateY(-50%);
  transition: opacity 160ms ease, transform 160ms ease, visibility 160ms ease;
  white-space: nowrap;
}

.accessibility-settings__toggle[aria-expanded="true"] .accessibility-settings__toggle-hint {
  visibility: hidden;
  opacity: 0;
  transform: translate(-4px, -50%);
}

.accessibility-settings__panel {
  width: min(360px, calc(100vw - 28px));
  max-height: min(690px, calc(100dvh - 102px));
  display: grid;
  gap: 14px;
  overflow-y: auto;
  overscroll-behavior: contain;
  border: 1px solid #cfd6df;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.98);
  color: #111315;
  box-shadow: 0 24px 70px rgba(29, 38, 51, 0.22);
  padding: 18px;
  font: inherit;
  scrollbar-width: thin;
  backdrop-filter: blur(18px);
}

.accessibility-settings__panel[hidden] {
  display: none;
}

.accessibility-settings__heading,
.accessibility-settings__heading > div,
.accessibility-settings__field,
.accessibility-settings__check {
  margin: 0;
}

.accessibility-settings__heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.accessibility-settings__heading > div {
  display: flex;
  align-items: baseline;
  gap: 14px;
}

.accessibility-settings__heading strong {
  color: #111315;
  font-size: 1.05em;
  font-weight: 800;
  line-height: 1.25;
}

.accessibility-settings__heading span {
  color: #5c6673;
  font-size: 0.74em;
  font-weight: 800;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.accessibility-settings__close {
  width: 40px;
  height: 40px;
  display: inline-grid;
  place-items: center;
  flex: 0 0 auto;
  margin: -8px -8px 0 0;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: #3f4854;
  cursor: pointer;
}

.accessibility-settings__close:hover {
  background: #eef2f6;
  color: #111315;
}

.accessibility-settings__close svg {
  width: 21px;
  height: 21px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-width: 2;
}

.accessibility-settings__field {
  display: grid;
  gap: 9px;
  color: #3f4854;
  font-size: 0.94em;
  font-weight: 750;
}

.accessibility-settings__field > span:not(.accessibility-settings__range-labels) {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.accessibility-settings__field output {
  color: #111315;
  font-weight: 800;
}

.accessibility-settings__field input,
.accessibility-settings__field select {
  width: 100%;
  min-height: 44px;
}

.accessibility-settings__field input[type="range"] {
  min-height: 30px;
  margin: 0;
  accent-color: #075fc9;
  cursor: pointer;
}

.accessibility-settings__range-labels {
  display: flex;
  justify-content: space-between;
  margin-top: -8px;
  color: #66717e;
  font-size: 0.75em;
  font-weight: 650;
}

.accessibility-settings__field select {
  border: 1px solid #cfd6df;
  border-radius: 10px;
  background: #ffffff;
  color: #111315;
  padding: 0 12px;
  font: inherit;
}

.accessibility-settings__check {
  min-height: 44px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-radius: 8px;
  color: #3f4854;
  font-size: 0.94em;
  font-weight: 700;
  cursor: pointer;
}

.accessibility-settings__check:hover {
  color: #111315;
}

.accessibility-settings__check input {
  width: 22px;
  height: 22px;
  flex: 0 0 auto;
  margin: 0;
  accent-color: #075fc9;
  cursor: pointer;
}

.accessibility-settings__reset {
  min-height: 46px;
  border: 1px solid #cfd6df;
  border-radius: 10px;
  background: #f3f6f9;
  color: #111315;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

.accessibility-settings__reset:hover {
  border-color: #aeb8c4;
  background: #e9eef4;
}

.accessibility-settings__status {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

/* Reading preferences */
html[data-a11y-spacing="true"] body {
  line-height: 1.75;
}

html[data-a11y-spacing="true"] :where(main, footer) :where(p, li, dd, dt, blockquote, figcaption) {
  letter-spacing: 0.04em !important;
  line-height: 1.75 !important;
  word-spacing: 0.12em !important;
}

html[data-a11y-spacing="true"] :where(main, footer) :where(h1, h2, h3, h4, h5, h6) {
  letter-spacing: 0.02em !important;
  line-height: 1.35 !important;
}

html[data-a11y-font-scale]:not([data-a11y-font-scale="100"]) :where(main, footer) :where(h1, h2, h3, h4, h5, h6) {
  max-width: 100%;
  overflow-wrap: anywhere;
}

html[data-a11y-font-scale]:not([data-a11y-font-scale="100"]) .home-flow .home-screen {
  height: auto;
  min-height: 100svh;
  overflow: visible;
}

html[data-a11y-font-scale]:not([data-a11y-font-scale="100"]) :where(
  .home-checker-preview-input,
  .home-checker-preview-button,
  .home-learn-stat-row,
  .home-learn-stat,
  .home-learn-stat strong
) {
  min-width: 0;
  max-width: 100%;
  overflow-wrap: anywhere;
}

html[data-a11y-readable-font="true"] body,
html[data-a11y-readable-font="true"] :where(button, input, select, textarea),
html[data-a11y-readable-font="true"] .accessibility-settings {
  font-family: Verdana, Tahoma, Arial, sans-serif !important;
}

html[data-a11y-underline-links="true"] a:not([role="button"]):not(.button):not(.primary-cta):not(.nav-status-link) {
  text-decoration: underline !important;
  text-decoration-thickness: 2px !important;
  text-underline-offset: 0.22em !important;
}

html[data-a11y-motion="reduce"] {
  scroll-behavior: auto !important;
}

html[data-a11y-motion="reduce"] *,
html[data-a11y-motion="reduce"] *::before,
html[data-a11y-motion="reduce"] *::after {
  animation-delay: 0s !important;
  animation-duration: 0.001ms !important;
  animation-iteration-count: 1 !important;
  scroll-behavior: auto !important;
  transition-delay: 0s !important;
  transition-duration: 0.001ms !important;
}

html[data-a11y-motion="reduce"] :where(.scroll-reveal, .reveal, .in-view) {
  opacity: 1 !important;
  transform: none !important;
}

/* Shared color tokens cover the site's public page families. */
html[data-a11y-contrast="high"] {
  --sell-bg: #ffffff;
  --sell-surface: #ffffff;
  --sell-text: #000000;
  --sell-body: #000000;
  --sell-muted: #000000;
  --sell-line: #000000;
  --sell-blue: #0000cc;
  --sell-blue-soft: #ffff00;
  --product-bg: #ffffff;
  --product-surface: #ffffff;
  --product-ink: #000000;
  --product-muted: #000000;
  --product-line: #000000;
  --product-blue: #0000cc;
  --mission-panel: #ffffff;
  --mission-body: #000000;
  --mission-muted: #000000;
  --mission-text: #000000;
  --bg: #ffffff;
  --surface: #ffffff;
  --text: #000000;
  --muted: #000000;
  --line: #000000;
  --blue: #0000cc;
  --ink: #000000;
  --white: #ffffff;
}

html[data-a11y-contrast="dark"] {
  --sell-bg: #05070a;
  --sell-surface: #111821;
  --sell-text: #ffffff;
  --sell-body: #f1f5fb;
  --sell-muted: #d8e1ec;
  --sell-line: #8290a2;
  --sell-blue: #8dccff;
  --sell-blue-soft: #163a58;
  --product-bg: #05070a;
  --product-surface: #111821;
  --product-ink: #ffffff;
  --product-muted: #d8e1ec;
  --product-line: #8290a2;
  --product-blue: #8dccff;
  --mission-panel: #111821;
  --mission-body: #f1f5fb;
  --mission-muted: #d8e1ec;
  --mission-text: #ffffff;
  --bg: #05070a;
  --surface: #111821;
  --text: #ffffff;
  --muted: #d8e1ec;
  --line: #8290a2;
  --blue: #8dccff;
  --ink: #ffffff;
  --white: #05070a;
}

html[data-a11y-contrast="high"] body,
html[data-a11y-contrast="high"] :where(main, section, footer, .site-header, .nav-menu),
html[data-a11y-contrast="high"] :where(.home-screen, .checker-page, .learn-page, .mission-page, .sell-page, .second-brain-page) {
  background-color: #ffffff !important;
  background-image: none !important;
  color: #000000 !important;
}

html[data-a11y-contrast="dark"] body,
html[data-a11y-contrast="dark"] :where(main, section, footer, .site-header, .nav-menu),
html[data-a11y-contrast="dark"] :where(.home-screen, .checker-page, .learn-page, .mission-page, .sell-page, .second-brain-page) {
  background-color: #05070a !important;
  background-image: none !important;
  color: #ffffff !important;
}

html[data-a11y-contrast="high"] :where(
  .card, .feature-card, .home-checker-preview, .home-learn-preview, .home-try-card,
  .checker-form, .checker-shell, .checker-results-section, .learn-research-rail,
  .mission-product-visual, .sell-card, .sell-stat-stack, .sell-steps,
  .feature-status-table, .proof-slot, .limits-card, .demo-player,
  .accessibility-settings__panel
) {
  border-color: #000000 !important;
  background: #ffffff !important;
  color: #000000 !important;
  box-shadow: none !important;
}

html[data-a11y-contrast="dark"] :where(
  .card, .feature-card, .home-checker-preview, .home-learn-preview, .home-try-card,
  .checker-form, .checker-shell, .checker-results-section, .learn-research-rail,
  .mission-product-visual, .sell-card, .sell-stat-stack, .sell-steps,
  .feature-status-table, .proof-slot, .limits-card, .demo-player,
  .accessibility-settings__panel
) {
  border-color: #8290a2 !important;
  background: #111821 !important;
  color: #ffffff !important;
  box-shadow: none !important;
}

html[data-a11y-contrast="high"] :where(h1, h2, h3, h4, h5, h6, p, li, dt, dd, label, strong, small, figcaption, .nav-link, .nav-item) {
  color: #000000 !important;
}

html[data-a11y-contrast="dark"] :where(h1, h2, h3, h4, h5, h6, p, li, dt, dd, label, strong, small, figcaption, .nav-link, .nav-item) {
  color: #ffffff !important;
}

html[data-a11y-contrast="high"] a:not(.button):not(.primary-cta):not(.nav-status-link) {
  color: #0000cc !important;
}

html[data-a11y-contrast="dark"] a:not(.button):not(.primary-cta):not(.nav-status-link) {
  color: #8dccff !important;
}

html[data-a11y-contrast="high"] :where(input:not([type="checkbox"]):not([type="range"]), select, textarea) {
  border-color: #000000 !important;
  background: #ffffff !important;
  color: #000000 !important;
}

html[data-a11y-contrast="dark"] :where(input:not([type="checkbox"]):not([type="range"]), select, textarea) {
  border-color: #8290a2 !important;
  background: #05070a !important;
  color: #ffffff !important;
}

html[data-a11y-contrast="high"] :where(.button.primary, .primary-cta, .checker-submit),
html[data-a11y-contrast="high"] .nav-status-link {
  border-color: #000000 !important;
  background: #000000 !important;
  color: #ffffff !important;
}

html[data-a11y-contrast="dark"] :where(.button.primary, .primary-cta, .checker-submit),
html[data-a11y-contrast="dark"] .nav-status-link {
  border-color: #ffffff !important;
  background: #ffffff !important;
  color: #05070a !important;
}

html[data-a11y-contrast="high"] :where(.button.secondary),
html[data-a11y-contrast="dark"] :where(.button.secondary) {
  border-color: currentColor !important;
}

html[data-a11y-contrast="high"] .accessibility-settings__panel,
html[data-a11y-contrast="dark"] .accessibility-settings__panel {
  color: var(--text) !important;
}

html[data-a11y-contrast="high"] .accessibility-settings__toggle {
  border-color: #000000;
  background: #ffff00;
  color: #000000;
  box-shadow: 0 0 0 6px rgba(0, 0, 0, 0.2);
}

html[data-a11y-contrast="dark"] .accessibility-settings__toggle {
  border-color: #ffffff;
  background: #8dccff;
  color: #05070a;
  box-shadow: 0 14px 34px rgba(141, 204, 255, 0.28), 0 0 0 6px rgba(141, 204, 255, 0.2);
}

html[data-a11y-contrast="high"] .accessibility-settings__toggle-hint {
  border-color: #000000;
  background: #ffff00;
  color: #000000;
}

html[data-a11y-contrast="dark"] .accessibility-settings__toggle-hint {
  border-color: #ffffff;
  background: #111820;
  color: #ffffff;
}

html[data-a11y-contrast="high"] .accessibility-settings__close,
html[data-a11y-contrast="high"] .accessibility-settings__range-labels,
html[data-a11y-contrast="high"] .accessibility-settings__field output,
html[data-a11y-contrast="high"] .accessibility-settings__heading span,
html[data-a11y-contrast="dark"] .accessibility-settings__close,
html[data-a11y-contrast="dark"] .accessibility-settings__range-labels,
html[data-a11y-contrast="dark"] .accessibility-settings__field output,
html[data-a11y-contrast="dark"] .accessibility-settings__heading span {
  color: var(--text) !important;
}

html[data-a11y-contrast="high"] .accessibility-settings__check input,
html[data-a11y-contrast="high"] .accessibility-settings__field input[type="range"] {
  accent-color: #0000cc;
}

html[data-a11y-contrast="dark"] .accessibility-settings__check input,
html[data-a11y-contrast="dark"] .accessibility-settings__field input[type="range"] {
  accent-color: #8dccff;
}

html[data-a11y-contrast="high"] .accessibility-settings__reset,
html[data-a11y-contrast="dark"] .accessibility-settings__reset {
  border-color: var(--line) !important;
  background: var(--surface) !important;
  color: var(--text) !important;
}

@media (max-width: 520px) {
  .accessibility-settings {
    right: 12px;
    bottom: 14px;
  }

  .accessibility-settings__panel {
    width: min(360px, calc(100vw - 40px));
    max-height: calc(100dvh - 94px);
    padding: 16px;
  }

  .accessibility-settings__toggle-hint {
    right: calc(100% + 9px);
    padding: 5px 8px;
    font-size: 0.64rem;
  }

  .accessibility-settings__heading > div {
    display: grid;
    gap: 2px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .accessibility-settings *,
  .accessibility-settings *::before,
  .accessibility-settings *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
  }
}