@font-face {
  font-family: "Beausite";
  src: url("../fonts/beausiteclassicweb-clear.woff2") format("woff2");
  font-display: swap;
  font-weight: 400;
}

@font-face {
  font-family: "Beausite";
  src: url("../fonts/beausiteclassicweb-medium.woff2") format("woff2");
  font-display: swap;
  font-weight: 500;
}

@font-face {
  font-family: "Beausite";
  src: url("../fonts/beausiteclassicweb-semibold.woff2") format("woff2");
  font-display: swap;
  font-weight: 600;
}

:root {
  --pf-navy: #001d3b;
  --pf-midnight: #2a3245;
  --pf-orange: #f64111;
  --pf-teal: #3b7c74;
  --pf-mauve: #cdbac6;
  --pf-denim: #3f598a;
  --bg: #f7faf9;
  --border: #d1dfdc;
  --text: #2a3245;
  --muted: #59637a;
  --paper: #f7faf9;
  --panel: rgba(247, 250, 249, 0.86);
  --panel-strong: rgba(241, 243, 246, 0.78);
  --line: rgba(42, 50, 69, 0.15);
  --accent: var(--pf-orange);
  --accent-soft: rgba(246, 65, 17, 0.12);
  --teal: var(--pf-teal);
  --shadow: 0 18px 44px rgba(42, 50, 69, 0.1);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: "Beausite", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(63, 89, 138, 0.14), transparent 28%),
    radial-gradient(circle at top right, rgba(59, 124, 116, 0.16), transparent 24%),
    linear-gradient(180deg, #fbfcfc 0%, #eef5f3 100%);
}

.hidden {
  display: none !important;
}

.page-shell {
  width: min(1120px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 32px 0 56px;
}

.hero {
  padding: 20px 8px 28px;
}

.hero-logo {
  display: block;
  width: auto;
  height: clamp(18px, 2vw, 24px);
  margin-bottom: 18px;
}

.eyebrow {
  margin: 0 0 10px;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--pf-orange);
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 12px;
  font-size: clamp(2rem, 5vw, 4.2rem);
  line-height: 0.98;
  letter-spacing: -0.04em;
  color: #000000;
}

.hero-copy {
  max-width: 60ch;
  margin-bottom: 0;
  font-size: 1.02rem;
  line-height: 1.5;
  color: #000000;
}

.app-frame {
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 28px;
  padding: 24px;
  background: var(--panel);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}

.status {
  padding: 14px 16px;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.9);
  color: #ffffff;
  font-size: 0.9rem;
  backdrop-filter: blur(2px);
}

.status.error {
  color: #ffffff;
  background: rgba(185, 28, 28, 0.9);
  max-width: min(92%, 680px);
  border-radius: 12px;
}

.quiz-root {
  display: grid;
  gap: 20px;
}

.stepper-header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: end;
  margin-bottom: 14px;
}

.step-title {
  margin-bottom: 0;
  font-size: clamp(1.5rem, 3vw, 2.4rem);
  line-height: 1.02;
  letter-spacing: -0.04em;
  color: var(--pf-navy);
}

.step-progress {
  margin-bottom: 0;
  color: var(--muted);
  white-space: nowrap;
}

.progress-bar {
  width: 100%;
  height: 10px;
  margin-bottom: 18px;
  border-radius: 999px;
  background: rgba(31, 35, 48, 0.08);
  overflow: hidden;
}

.progress-bar__fill {
  height: 100%;
  width: 0;
  border-radius: inherit;
  background: linear-gradient(90deg, rgba(246, 65, 17, 0.82) 0%, var(--pf-orange) 100%);
  transition: width 0.2s ease;
}

.question-section {
  display: grid;
  gap: 16px;
  padding: 20px;
  border: 1px solid rgba(42, 50, 69, 0.15);
  border-radius: 14px;
  background: var(--panel-strong);
  box-shadow: 0 12px 34px rgba(42, 50, 69, 0.08);
  backdrop-filter: blur(4px);
}

.question-section--plain {
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  backdrop-filter: none;
}

.section-title {
  margin-bottom: 2px;
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--pf-orange);
}

.section-copy {
  color: var(--muted);
  line-height: 1.5;
}

.question-block {
  display: grid;
  gap: 10px;
}

.question-block + .question-block {
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.question-label {
  font-size: 1.05rem;
  line-height: 1.35;
}

.question-label--step {
  margin-bottom: 2px;
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--pf-orange);
}

.question-label--section {
  margin-bottom: 2px;
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--pf-orange);
}

.option-grid {
  display: grid;
  gap: 10px;
  grid-template-columns: 1fr;
}

.toggle-grid {
  display: grid;
  gap: 10px;
  grid-template-columns: 1fr;
}

.toggle-grid--cards {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.choice-card {
  position: relative;
  display: block;
  min-height: 100%;
  cursor: pointer;
}

.choice-card input {
  position: absolute;
  inset: 0;
  opacity: 0;
  pointer-events: none;
}

.choice-card__body {
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 58px;
  padding: 14px 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.96);
  transition: border-color 0.16s ease, background 0.16s ease, transform 0.16s ease, box-shadow 0.16s ease;
}

.choice-card:hover .choice-card__body,
.choice-card input:focus-visible + .choice-card__body {
  border-color: rgba(246, 65, 17, 0.45);
  transform: translateY(-1px);
}

.choice-card input:checked + .choice-card__body {
  border-color: rgba(246, 65, 17, 0.7);
  background: linear-gradient(180deg, rgba(255, 247, 243, 0.98) 0%, rgba(253, 236, 228, 0.98) 100%);
  box-shadow: 0 8px 20px rgba(246, 65, 17, 0.14);
}

.choice-title {
  display: block;
  font-size: 0.98rem;
  line-height: 1.35;
}

.dialect-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 92px 92px;
  gap: 10px 12px;
  align-items: center;
}

.dialect-grid__header {
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--pf-orange);
  text-align: center;
}

.dialect-grid__label {
  font-size: 0.98rem;
  line-height: 1.35;
}

.dialect-choice {
  position: relative;
  display: block;
}

.dialect-choice input {
  position: absolute;
  inset: 0;
  opacity: 0;
  pointer-events: none;
}

.dialect-choice__pill {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  margin: 0 auto;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.96);
  transition: border-color 0.16s ease, background 0.16s ease, transform 0.16s ease, box-shadow 0.16s ease;
}

.dialect-choice:hover .dialect-choice__pill,
.dialect-choice input:focus-visible + .dialect-choice__pill {
  border-color: rgba(246, 65, 17, 0.45);
  transform: translateY(-1px);
}

.dialect-choice input:checked + .dialect-choice__pill {
  border-color: rgba(246, 65, 17, 0.7);
  background: linear-gradient(180deg, rgba(255, 247, 243, 0.98) 0%, rgba(253, 236, 228, 0.98) 100%);
  box-shadow: 0 8px 20px rgba(246, 65, 17, 0.14);
}

.dialect-choice input:checked + .dialect-choice__pill::after {
  content: "";
  width: 12px;
  height: 12px;
  border-radius: 3px;
  background: var(--pf-orange);
}

.choice-hint {
  display: block;
  margin-top: 4px;
  font-size: 0.8rem;
  color: var(--muted);
}

.form-actions {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-end;
  margin-top: 22px;
}

.form-actions__left,
.form-actions__right {
  display: flex;
  gap: 12px;
  align-items: center;
}

.form-actions__left {
  justify-content: flex-start;
}

.form-actions__right {
  justify-content: flex-end;
}

.validation-message {
  flex: 0 1 280px;
  min-height: 1.2em;
  margin: 0;
  text-align: right;
  color: var(--pf-orange);
}

.primary-button,
.secondary-button {
  appearance: none;
  border-radius: 999px;
  padding: 13px 18px;
  font: inherit;
  white-space: nowrap;
  cursor: pointer;
  transition: transform 0.16s ease, opacity 0.16s ease, background 0.16s ease, color 0.16s ease;
}

.primary-button {
  border: 0;
  background: var(--pf-midnight);
  color: #fff;
}

.primary-button--accent {
  background: var(--pf-orange);
}

.secondary-button {
  border: 1px solid var(--line);
  background: transparent;
  color: var(--pf-midnight);
}

.primary-button:hover,
.secondary-button:hover {
  transform: translateY(-1px);
}

.results {
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.share-status {
  margin-bottom: 0;
  min-height: 1.2em;
  color: var(--muted);
  font-size: 0.85rem;
  text-align: left;
}

.results-top {
  display: block;
}

.comparison-pill {
  display: grid;
  gap: 8px;
  align-items: center;
  margin-bottom: 14px;
}

.comparison-pill__track {
  position: relative;
  width: 100%;
  height: 18px;
  border-radius: 999px;
  background: rgba(42, 50, 69, 0.08);
  overflow: hidden;
}

.comparison-pill__fill {
  width: 0;
  height: 100%;
  border-radius: inherit;
  transition: width 0.25s ease;
}

.comparison-pill__fill--global {
  background: linear-gradient(90deg, rgba(246, 65, 17, 0.7) 0%, var(--pf-orange) 100%);
}

.comparison-pill__fill--age {
  background: linear-gradient(90deg, rgba(42, 50, 69, 0.75) 0%, #000000 100%);
}

.results-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.result-card {
  padding: 18px;
  border-radius: 14px;
  background: #fffdfa;
  border: 1px solid var(--line);
}

.result-card--accent {
  background: linear-gradient(180deg, rgba(255, 244, 238, 0.98) 0%, rgba(253, 230, 220, 0.98) 100%);
  border-color: rgba(246, 65, 17, 0.18);
}

.result-label {
  margin-bottom: 10px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.74rem;
}

.result-value {
  margin-bottom: 10px;
  font-size: clamp(2.2rem, 6vw, 4rem);
  line-height: 0.95;
  letter-spacing: -0.06em;
}

.result-copy {
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.45;
}

.result-meta {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  margin-top: 18px;
}

.results-divider {
  margin-top: 24px;
  border-top: 1px solid var(--line);
}

.explanation-block {
  padding: 18px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.6);
}

.explanation-list {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
}

.explanation-list li + li {
  margin-top: 8px;
}

.methodology {
  margin-top: 26px;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.methodology h3 {
  color: var(--pf-navy);
}

.methodology p {
  margin-bottom: 0;
  color: var(--pf-navy);
  line-height: 1.5;
}

@media (max-width: 720px) {
  .page-shell {
    width: min(100vw - 20px, 1120px);
    padding-top: 20px;
  }

  .app-frame {
    padding: 16px;
    border-radius: 24px;
  }

  .question-section {
    padding: 16px;
  }

  .stepper-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .option-grid,
  .toggle-grid {
    grid-template-columns: 1fr;
  }

  .comparison-chart__plot {
    display: block;
  }

  .results-top {
    display: block;
  }

  .results-grid {
    grid-template-columns: 1fr;
  }

  .dialect-grid {
    grid-template-columns: 1fr;
  }

  .dialect-grid__header {
    display: none;
  }

  .form-actions {
    flex-direction: column-reverse;
    align-items: stretch;
  }

  .form-actions__left,
  .form-actions__right {
    width: 100%;
    flex-direction: column;
    align-items: stretch;
  }

  .validation-message {
    text-align: left;
    flex: 0 0 auto;
  }

  .primary-button,
  .secondary-button {
    width: 100%;
  }
}