/* ---------------------------------------------------
   Design tokens
--------------------------------------------------- */
:root {
  --bg: #faf8f4;
  --surface: #ffffff;
  --surface-alt: #f4f1ea;
  --border: #e8e2d4;
  --text: #1c1a17;
  --text-muted: #6b6255;
  --text-faint: #9a927f;

  --accent: #5b3df5;
  --accent-2: #ff6b4a;
  --accent-soft: #efeaff;
  --accent-contrast: #ffffff;

  --stage-1: #0d9488;
  --stage-1-soft: #e3f6f2;
  --stage-2: #5b3df5;
  --stage-2-soft: #eeeafd;
  --stage-3: #d9540a;
  --stage-3-soft: #fdece0;

  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 26px;
  --shadow-sm: 0 1px 2px rgba(30, 24, 10, 0.05);
  --shadow: 0 2px 6px rgba(30, 24, 10, 0.05), 0 16px 36px -18px rgba(30, 24, 10, 0.22);
  --shadow-lg: 0 24px 60px -20px rgba(30, 24, 10, 0.28);

  --sidebar-w: 304px;
  --font-display: "Fraunces", Georgia, "Iowan Old Style", serif;
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  color-scheme: light;
}

:root[data-theme="dark"] { color-scheme: dark; }

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) { color-scheme: dark; }
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0d0b14;
    --surface: #16131f;
    --surface-alt: #1c1828;
    --border: #2c2740;
    --text: #f3f1f8;
    --text-muted: #b0a9c2;
    --text-faint: #756e8a;

    --accent: #a48dff;
    --accent-2: #ff8a6b;
    --accent-soft: #241d3e;
    --accent-contrast: #14101f;

    --stage-1: #2dd4bf;
    --stage-1-soft: #12292a;
    --stage-2: #a48dff;
    --stage-2-soft: #241f3d;
    --stage-3: #fb923c;
    --stage-3-soft: #2c2013;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow: 0 2px 6px rgba(0, 0, 0, 0.25), 0 16px 36px -18px rgba(0, 0, 0, 0.6);
    --shadow-lg: 0 24px 60px -20px rgba(0, 0, 0, 0.7);
  }
}

/* Explicit override via the theme toggle — wins regardless of system preference */
:root[data-theme="dark"] {
  --bg: #0d0b14;
  --surface: #16131f;
  --surface-alt: #1c1828;
  --border: #2c2740;
  --text: #f3f1f8;
  --text-muted: #b0a9c2;
  --text-faint: #756e8a;

  --accent: #a48dff;
  --accent-2: #ff8a6b;
  --accent-soft: #241d3e;
  --accent-contrast: #14101f;

  --stage-1: #2dd4bf;
  --stage-1-soft: #12292a;
  --stage-2: #a48dff;
  --stage-2-soft: #241f3d;
  --stage-3: #fb923c;
  --stage-3-soft: #2c2013;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow: 0 2px 6px rgba(0, 0, 0, 0.25), 0 16px 36px -18px rgba(0, 0, 0, 0.6);
  --shadow-lg: 0 24px 60px -20px rgba(0, 0, 0, 0.7);
}

/* Stage color binding — any element carrying data-stage picks up a themed accent */
[data-stage="1"] { --stage-color: var(--stage-1); --stage-color-soft: var(--stage-1-soft); }
[data-stage="2"] { --stage-color: var(--stage-2); --stage-color-soft: var(--stage-2-soft); }
[data-stage="3"] { --stage-color: var(--stage-3); --stage-color-soft: var(--stage-3-soft); }

/* ---------------------------------------------------
   Reset & base
--------------------------------------------------- */
* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 28px;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: var(--font-display);
  line-height: 1.2;
  letter-spacing: -0.01em;
  font-weight: 600;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
ul { padding-left: 1.25em; margin: 0.75em 0; }
li { margin: 0.45em 0; }
p { margin: 0.8em 0; }

code {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.9em;
  background: var(--surface-alt);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 0.1em 0.4em;
}

/* ---------------------------------------------------
   Scroll progress bar
--------------------------------------------------- */
.progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  z-index: 80;
  transition: width 0.1s linear;
}

/* ---------------------------------------------------
   Layout
--------------------------------------------------- */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sidebar-w);
  height: 100vh;
  overflow-y: auto;
  background:
    radial-gradient(560px 320px at -8% -10%, var(--accent-soft) 0%, transparent 60%),
    var(--surface-alt);
  border-right: 1px solid var(--border);
  padding: 26px 22px 40px;
  z-index: 40;
  scrollbar-width: thin;
}

.content {
  margin-left: var(--sidebar-w);
  padding: 8px 56px 100px;
}

p { max-width: 78ch; }

.section {
  padding: 60px 0;
  border-bottom: 1px solid var(--border);
  scroll-margin-top: 24px;
}

.section:last-of-type { border-bottom: none; }

.eyebrow {
  text-transform: uppercase;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  color: var(--stage-color, var(--accent));
  margin: 0 0 10px;
}

/* ---------------------------------------------------
   Sidebar contents
--------------------------------------------------- */
.sidebar-header {
  margin-bottom: 24px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
}

.brand { display: flex; align-items: center; gap: 12px; min-width: 0; }

.brand-mark {
  flex: none;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 11px;
  background: linear-gradient(155deg, var(--accent), color-mix(in srgb, var(--accent) 60%, var(--accent-2) 40%));
  color: #fff;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 0.72rem;
  letter-spacing: -0.02em;
  box-shadow: var(--shadow-sm);
}

.sidebar-eyebrow {
  text-transform: uppercase;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--text-faint);
  margin: 0 0 4px;
}

.sidebar-title {
  font-family: var(--font-display);
  font-size: 1.12rem;
  margin: 0;
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.2;
}

.theme-toggle {
  flex: none;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  margin-top: 2px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-muted);
  cursor: pointer;
  transition: color 0.15s ease, border-color 0.15s ease, transform 0.15s ease;
}

.theme-toggle:hover { color: var(--accent); border-color: var(--accent); transform: rotate(12deg); }
.theme-toggle svg { width: 17px; height: 17px; }
.theme-toggle .icon-moon { display: block; }
.theme-toggle .icon-sun { display: none; }

:root[data-theme="dark"] .theme-toggle .icon-moon { display: none; }
:root[data-theme="dark"] .theme-toggle .icon-sun { display: block; }

.level-switcher {
  display: flex;
  gap: 6px;
  margin-bottom: 18px;
  padding: 4px;
  background: var(--surface-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

.level-pill {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  padding: 7px 4px;
  border: none;
  border-radius: 7px;
  background: transparent;
  color: var(--text-muted);
  font-family: inherit;
  font-size: 0.7rem;
  font-weight: 600;
  line-height: 1.15;
  text-align: center;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}

.level-pill.active {
  background: var(--surface);
  color: var(--accent);
  box-shadow: var(--shadow-sm);
}

.level-pill:disabled {
  cursor: not-allowed;
  opacity: 0.65;
}

.soon-badge {
  font-size: 0.56rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--text-faint);
  background: var(--surface);
  border-radius: 999px;
  padding: 1px 6px;
  white-space: nowrap;
}

.loading-note {
  color: var(--text-faint);
  font-size: 0.9rem;
  padding: 60px 0;
}

.sidebar-search { margin-bottom: 20px; position: relative; }

.sidebar-search::before {
  content: "";
  position: absolute;
  left: 12px;
  top: 50%;
  width: 14px;
  height: 14px;
  transform: translateY(-50%);
  background: var(--text-faint);
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2.4'%3E%3Ccircle cx='11' cy='11' r='7'/%3E%3Cpath d='M21 21l-4.3-4.3' stroke-linecap='round'/%3E%3C/svg%3E") center / contain no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2.4'%3E%3Ccircle cx='11' cy='11' r='7'/%3E%3Cpath d='M21 21l-4.3-4.3' stroke-linecap='round'/%3E%3C/svg%3E") center / contain no-repeat;
  pointer-events: none;
}

#nav-search {
  width: 100%;
  padding: 10px 12px 10px 34px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-size: 0.85rem;
  font-family: inherit;
}

#nav-search:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.toc ul {
  list-style: none;
  padding-left: 0;
  margin: 0;
}

.toc > ul { display: flex; flex-direction: column; gap: 2px; }

.nav-group { margin-top: 20px; }

.nav-group-label {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-faint);
  margin: 0 0 8px 10px;
}

.stage-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--stage-color, var(--accent));
  flex: none;
}

.nav-group ul { display: flex; flex-direction: column; gap: 2px; }

.nav-link {
  display: block;
  padding: 7px 12px;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: 0.87rem;
  font-weight: 500;
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.nav-link:hover {
  background: var(--surface-alt);
  color: var(--text);
  text-decoration: none;
}

.nav-link.active {
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 700;
  border-left-color: var(--accent);
}

.nav-group .nav-link.active {
  border-left-color: var(--stage-color);
  color: var(--stage-color);
}

.nav-hidden { display: none !important; }

/* ---------------------------------------------------
   Hero / overview
--------------------------------------------------- */
.hero {
  padding-top: 76px;
}

/* Fixed to the true viewport so it fills 100% of the screen regardless of
   the sidebar margin or .content padding — not scoped to .hero's own box. */
.hero-glow {
  position: fixed;
  inset: 0;
  background: radial-gradient(60% 55% at 100% 0%, var(--accent) 0%, transparent 65%);
  opacity: 0.18;
  pointer-events: none;
  z-index: -1;
}

.hero h1 {
  font-size: clamp(2rem, 4.2vw, 3.1rem);
  margin: 0 0 16px;
  font-weight: 600;
}

.lede {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: 0;
  max-width: 46ch;
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  margin: 36px 0 8px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.hero-stat {
  flex: 1 1 120px;
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  border-right: 1px solid var(--border);
}

.hero-stat:last-child { border-right: none; }

.hero-stat-num {
  font-family: var(--font-display);
  font-size: 1.7rem;
  font-weight: 600;
  color: var(--accent);
}

.hero-stat-label {
  font-size: 0.76rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.prose { margin-top: 40px; }
.prose h2 { font-size: 1.3rem; margin-bottom: 10px; }

/* ---------------------------------------------------
   Stage cards
--------------------------------------------------- */
.stage-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin: 26px 0 44px;
}

.stage-card {
  display: block;
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 22px 20px 20px;
  color: var(--text);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease), border-color 0.2s var(--ease);
}

.stage-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--stage-color);
}

.stage-card:hover {
  transform: translateY(-3px);
  border-color: var(--stage-color);
  box-shadow: var(--shadow-lg);
  text-decoration: none;
}

.stage-roman {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--stage-color);
  margin-bottom: 10px;
}

.stage-card h3 { font-size: 1.08rem; margin: 0 0 8px; font-weight: 600; }
.stage-card p { font-size: 0.88rem; color: var(--text-muted); margin: 0; }

.component-heading { font-size: 1.15rem; margin-top: 12px; }

.component-list {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 6px 22px 6px 0;
  box-shadow: var(--shadow);
  list-style: none;
  counter-reset: component;
}

.component-list li {
  counter-increment: component;
  position: relative;
  margin: 0;
  padding: 16px 0 16px 66px;
  border-bottom: 1px solid var(--border);
}

.component-list li:last-child { border-bottom: none; }

.component-list li::before {
  content: counter(component);
  position: absolute;
  left: 20px;
  top: 16px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ---------------------------------------------------
   Track sections
--------------------------------------------------- */
.track-header {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: 8px;
}

.track-number {
  flex: none;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--accent-contrast);
  background: linear-gradient(155deg, var(--stage-color), color-mix(in srgb, var(--stage-color) 65%, black 15%));
  box-shadow: var(--shadow-sm);
  font-variant-numeric: tabular-nums;
}

.track-header h2 { font-size: 1.65rem; margin: 0; }

.objective {
  color: var(--text-muted);
  font-size: 1rem;
  margin-bottom: 34px;
  padding-bottom: 26px;
  border-bottom: 1px dashed var(--border);
}

.objective strong { color: var(--text); }

.track-component {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--stage-color);
  border-radius: var(--radius-md);
  padding: 22px 26px;
  margin-bottom: 18px;
  box-shadow: var(--shadow);
}

.track-component h3 {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1rem;
  margin: 0 0 12px;
  color: var(--text);
  font-weight: 600;
}

.step-badge {
  flex: none;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--stage-color-soft);
  color: var(--stage-color);
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 700;
}

.track-component.exit-criteria {
  background: var(--stage-color-soft);
  border-color: transparent;
  border-left: 3px solid var(--stage-color);
}

.track-component.exit-criteria .step-badge {
  background: var(--stage-color);
  color: var(--accent-contrast);
}

.resource-list a { font-weight: 600; }
.resource-list a::after { content: " ↗"; font-weight: 400; opacity: 0.6; }

/* ---------------------------------------------------
   Tables
--------------------------------------------------- */
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow);
}

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface);
  font-size: 0.9rem;
}

th, td {
  text-align: left;
  padding: 13px 18px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

th {
  background: var(--surface-alt);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  font-weight: 700;
}

tbody tr { transition: background 0.15s ease; }
tbody tr:hover { background: var(--surface-alt); }
tr:last-child td { border-bottom: none; }

/* ---------------------------------------------------
   Rules list & final section
--------------------------------------------------- */
.rules-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 12px;
  padding-left: 0;
  list-style: none;
  counter-reset: rule;
}

.rules-list li {
  counter-increment: rule;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 16px 14px 44px;
  margin: 0;
  position: relative;
  font-size: 0.93rem;
  box-shadow: var(--shadow-sm);
}

.rules-list li::before {
  content: counter(rule);
  position: absolute;
  left: 14px;
  top: 14px;
  color: var(--accent);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.85rem;
}

.final .closing-statement {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  line-height: 1.5;
  padding: 24px 26px;
  border-left: 4px solid var(--accent);
  background: var(--accent-soft);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

/* ---------------------------------------------------
   Footer / back to top
--------------------------------------------------- */
.content-footer { padding-top: 8px; }

.back-to-top {
  position: fixed;
  right: 28px;
  bottom: 28px;
  z-index: 50;
  font-family: inherit;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--accent-contrast);
  background: var(--accent);
  border: none;
  border-radius: 999px;
  padding: 13px 20px;
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease, background 0.15s ease;
}

.back-to-top.visible {
  opacity: 1;
  transform: none;
  pointer-events: auto;
}

.back-to-top:hover { background: color-mix(in srgb, var(--accent) 85%, black 10%); }

/* ---------------------------------------------------
   Mobile menu toggle & overlay
--------------------------------------------------- */
.menu-toggle {
  display: none;
  position: fixed;
  top: 16px;
  left: 16px;
  z-index: 60;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: var(--shadow);
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
}

.menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(10, 8, 20, 0.5);
  backdrop-filter: blur(2px);
  z-index: 30;
}

/* ---------------------------------------------------
   Responsive
--------------------------------------------------- */
@media (max-width: 1000px) {
  .stage-grid { grid-template-columns: 1fr; }
}

@media (max-width: 860px) {
  .menu-toggle { display: flex; }

  .sidebar {
    transform: translateX(-100%);
    transition: transform 0.25s ease;
    box-shadow: var(--shadow-lg);
    width: min(var(--sidebar-w), 84vw);
  }

  .sidebar.open { transform: translateX(0); }

  .sidebar.open ~ .sidebar-overlay,
  .sidebar-overlay.visible { display: block; }

  .content {
    margin-left: 0;
    padding: 92px 20px 80px;
  }

  .hero { padding-top: 8px; }

  .track-header { flex-wrap: wrap; }

  .back-to-top { right: 18px; bottom: 18px; }
}

@media (max-width: 520px) {
  .content { padding: 88px 16px 72px; }
  .track-component { padding: 18px 20px; }
  .section { padding: 44px 0; }
  .component-list li { padding-left: 58px; }
  .component-list li::before { left: 14px; }
  .rules-list { grid-template-columns: 1fr; }
}

/* ---------------------------------------------------
   Stage assessment checkpoint (CTA between stages)
--------------------------------------------------- */
.assessment-cta {
  display: flex;
  align-items: center;
  gap: 22px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 4px solid var(--stage-color);
  border-radius: var(--radius-md);
  padding: 24px 28px;
  box-shadow: var(--shadow);
}

.assessment-cta-icon {
  flex: none;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--stage-color-soft);
  color: var(--stage-color);
}

.assessment-cta-icon svg { width: 24px; height: 24px; }

.assessment-cta-body { flex: 1 1 auto; min-width: 0; }
.assessment-cta-body h3 { font-size: 1.1rem; margin: 0 0 4px; }
.assessment-cta-body p { margin: 0; font-size: 0.9rem; color: var(--text-muted); }

.assessment-cta-btn {
  flex: none;
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent-contrast);
  background: var(--stage-color);
  border: none;
  border-radius: 999px;
  padding: 12px 22px;
  cursor: pointer;
  white-space: nowrap;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.assessment-cta-btn:hover { transform: translateY(-1px); box-shadow: var(--shadow); }

@media (max-width: 560px) {
  .assessment-cta { flex-wrap: wrap; }
  .assessment-cta-btn { width: 100%; }
}

/* ---------------------------------------------------
   Quiz modal
--------------------------------------------------- */
.quiz-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10, 8, 20, 0.55);
  backdrop-filter: blur(3px);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.quiz-modal {
  width: 100%;
  max-width: 640px;
  max-height: min(720px, 90vh);
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.quiz-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 18px 22px;
  border-bottom: 1px solid var(--border);
}

.quiz-header h2 { font-size: 1.05rem; margin: 0; }

.quiz-progress-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 600;
}

.quiz-close {
  flex: none;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--surface-alt);
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1;
  cursor: pointer;
}

.quiz-close:hover { color: var(--text); border-color: var(--accent); }

.quiz-progress-track {
  height: 4px;
  background: var(--border);
}

.quiz-progress-fill {
  height: 100%;
  background: var(--accent);
  transition: width 0.2s ease;
}

.quiz-body {
  flex: 1 1 auto;
  overflow-y: auto;
  padding: 26px 26px 10px;
}

.quiz-question {
  font-size: 1.08rem;
  font-weight: 600;
  margin: 0 0 20px;
  line-height: 1.5;
}

.quiz-choices {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.quiz-choice {
  display: block;
  width: 100%;
  text-align: left;
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--text);
  background: var(--surface-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 13px 16px;
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.quiz-choice:hover { border-color: var(--accent); }
.quiz-choice.selected { border-color: var(--accent); background: var(--accent-soft); font-weight: 600; }

.quiz-choice.correct { border-color: var(--stage-1); background: var(--stage-1-soft); }
.quiz-choice.incorrect { border-color: var(--stage-3); background: var(--stage-3-soft); }

.quiz-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 22px;
  border-top: 1px solid var(--border);
}

.quiz-btn {
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 700;
  border-radius: 999px;
  padding: 11px 22px;
  cursor: pointer;
  border: none;
  transition: opacity 0.15s ease, transform 0.15s ease;
}

.quiz-btn:disabled { opacity: 0.4; cursor: not-allowed; }

.quiz-btn-primary { background: var(--accent); color: var(--accent-contrast); }
.quiz-btn-primary:not(:disabled):hover { transform: translateY(-1px); }

.quiz-btn-ghost { background: transparent; color: var(--text-muted); }
.quiz-btn-ghost:hover { color: var(--text); }

.quiz-results { padding: 8px 4px 20px; text-align: center; }

.quiz-score {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 600;
  margin: 6px 0;
}

.quiz-score.pass { color: var(--stage-1); }
.quiz-score.fail { color: var(--stage-3); }

.quiz-verdict { font-size: 1rem; font-weight: 600; margin-bottom: 6px; }
.quiz-results p.quiz-note { color: var(--text-muted); max-width: 44ch; margin: 0 auto 24px; }

.quiz-results-actions {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
}

@media (max-width: 560px) {
  .quiz-body { padding: 20px 18px 6px; }
  .quiz-header { padding: 14px 16px; }
  .quiz-footer { padding: 14px 16px; }
}