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

html {
  min-width: 72rem;
  overflow-x: auto;
  background: var(--color-background);
  color: var(--color-ink);
  font-family: var(--font-sans);
  line-height: 1.65;
}

body {
  margin: 0;
  min-width: 72rem;
}

a {
  color: var(--color-primary);
}

button,
input {
  font: inherit;
}

button:focus-visible,
a:focus-visible,
input:focus-visible {
  outline: 2px solid var(--color-orange);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: var(--space-3);
  left: var(--space-3);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-control);
  background: var(--color-primary);
  color: white;
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  min-height: var(--header-height);
  border-bottom: 1px solid var(--color-border);
  background: rgb(255 255 255 / 94%);
}

.site-header__inner,
.content-footer__inner {
  display: flex;
  width: min(calc(100% - 2rem), var(--content-width));
  margin-inline: auto;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.site-header__inner {
  min-height: var(--header-height);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--color-primary);
  font-weight: 600;
  text-decoration: none;
}

.brand::before {
  content: "";
  width: 2rem;
  height: 2rem;
  flex: 0 0 2rem;
  border-radius: 0.5rem;
  background: #273470 url("/images/branding/curiosity-lab-discord-512.png") center / cover no-repeat;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  font-size: var(--text-sm);
}

.site-nav a {
  text-underline-offset: 0.25em;
}

.content-page {
  width: min(calc(100% - 2rem), var(--content-width));
  margin-inline: auto;
  padding-block: var(--space-16) var(--space-24);
}

.content-page__header,
.reading-block {
  max-width: var(--reading-width);
}

.eyebrow {
  margin: 0 0 var(--space-4);
  color: var(--color-primary);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.eyebrow::before {
  display: block;
  width: 3rem;
  height: 0.25rem;
  margin-bottom: var(--space-4);
  background: var(--color-orange);
  content: "";
}

h1,
h2 {
  color: var(--color-primary);
  font-weight: 500;
  line-height: 1.12;
}

h1 {
  margin: 0;
  font-size: var(--text-display);
  letter-spacing: -0.035em;
}

h2 {
  margin-top: 0;
  font-size: var(--text-2xl);
}

.lede {
  margin: var(--space-6) 0 0;
  color: var(--color-muted);
  font-size: var(--text-lg);
}

.meta-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin: var(--space-6) 0 0;
  padding: 0;
  list-style: none;
}

.meta-list li {
  padding: var(--space-1) var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  color: var(--color-muted);
  font-size: var(--text-xs);
  font-weight: 600;
}

.interactive-region {
  margin-top: var(--space-16);
  padding: 2.25rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-panel);
  background: var(--surface-cyan);
}

.choice-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-3);
  margin-top: var(--space-6);
}

.choice-button {
  min-height: 3.5rem;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-control);
  background: white;
  color: var(--color-primary);
  cursor: pointer;
  font-weight: 600;
}

.choice-button:hover,
.choice-button[aria-pressed="true"] {
  border-color: var(--color-orange);
  box-shadow: inset 0 0 0 1px var(--color-orange);
}

.result-panel {
  margin-top: var(--space-6);
  padding: var(--space-6);
  border-left: 4px solid var(--color-green);
  background: white;
}

.result-panel[hidden] {
  display: none;
}

.probability-list {
  display: grid;
  gap: var(--space-3);
  margin: var(--space-4) 0 0;
  padding: 0;
  list-style: none;
}

.probability-row {
  display: grid;
  grid-template-columns: minmax(5rem, 0.6fr) minmax(8rem, 2fr) 3rem;
  gap: var(--space-3);
  align-items: center;
}

.probability-track {
  height: 0.625rem;
  overflow: hidden;
  border-radius: 999px;
  background: var(--surface-blue);
}

.probability-bar {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: var(--color-cyan);
}

.takeaway {
  margin-top: var(--space-16);
  padding: var(--space-8);
  border-left: 4px solid var(--color-orange);
  background: var(--surface-orange);
}

.content-footer {
  border-top: 1px solid var(--color-border);
  background: var(--surface-neutral);
}

.content-footer__inner {
  align-items: flex-start;
  padding-block: var(--space-8);
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.lesson-path-next { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; padding: 1.15rem 1.4rem; margin: 1.25rem 0; border: 1px solid #bcded3; border-radius: 1rem; background: #effaf6; }
.lesson-path-next strong { color: #00735d; font-size: 1.05rem; }
.lesson-path-next p { margin: 0.3rem 0 0; color: #687087; font-size: 0.9rem; }
.lesson-path-next a { display: inline-flex; flex-shrink: 0; align-items: center; min-height: 2.8rem; padding: 0.65rem 1.1rem; border-radius: 999px; background: #273470; color: white; font-size: 0.9rem; font-weight: 650; text-decoration: none; }