:root {
  --ink: #16202b;
  --ink-soft: #4a5a6a;
  --line: #dfe5ec;
  --surface: #ffffff;
  --surface-muted: #f4f7fa;
  --accent: #0f6c5c;
  --accent-dark: #0b5245;
  --accent-soft: #e6f2ee;
  --caution: #8a5a00;
  --caution-soft: #fdf4e3;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(22, 32, 43, 0.08);
  --max-width: 940px;
}

* {
  box-sizing: border-box;
}

html {
  font-size: 16px;
}

body {
  margin: 0;
  background: var(--surface-muted);
  color: var(--ink);
  font-family: "Segoe UI", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.shell {
  width: min(100% - 2.5rem, var(--max-width));
  margin: 0 auto;
}

.skip-link {
  position: absolute;
  left: -9999px;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
  z-index: 10;
  background: var(--surface);
  padding: 0.5rem 0.75rem;
  border-radius: 8px;
}

.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}

.site-header__inner {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.1rem 0;
  flex-wrap: wrap;
}

.brand {
  font-weight: 700;
  letter-spacing: -0.01em;
}

.site-header__note {
  color: var(--ink-soft);
  font-size: 0.85rem;
}

main {
  padding: 2.5rem 0 3rem;
}

.view[hidden] {
  display: none;
}

.view--centered {
  min-height: 40vh;
  display: grid;
  place-items: center;
}

h1,
h2,
h3,
h4 {
  line-height: 1.25;
  letter-spacing: -0.015em;
  margin: 0 0 0.6rem;
}

h1 {
  font-size: clamp(1.85rem, 3.4vw, 2.6rem);
}

h2 {
  font-size: 1.25rem;
}

h3 {
  font-size: 1.35rem;
}

h4 {
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
  margin-top: 1.4rem;
}

p {
  margin: 0 0 0.85rem;
}

.hero {
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: clamp(1.75rem, 4vw, 3rem);
  margin-bottom: 1.75rem;
}

.hero__subheadline {
  color: var(--ink-soft);
  font-size: 1.06rem;
  max-width: 46rem;
}

.hero__trust {
  margin-top: 1.25rem;
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.cta {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  border: 0;
  border-radius: 999px;
  padding: 0.85rem 1.6rem;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: background 120ms ease-in-out;
}

.cta:hover,
.cta:focus-visible {
  background: var(--accent-dark);
}

.cta--secondary {
  background: var(--surface);
  color: var(--accent-dark);
  border: 1px solid var(--accent);
}

.button--ghost {
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.8rem 1.35rem;
  font: inherit;
  color: var(--ink-soft);
  cursor: pointer;
}

.button--ghost:hover {
  border-color: var(--ink-soft);
}

.panel {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 1.5rem clamp(1.25rem, 3vw, 2rem);
  margin-bottom: 1.25rem;
}

.panel--muted {
  background: var(--surface);
  border: 1px dashed var(--line);
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.panel--muted h2 {
  font-size: 1rem;
  color: var(--ink);
}

.steps {
  margin: 0;
  padding-left: 1.15rem;
  color: var(--ink-soft);
}

.steps li {
  margin-bottom: 0.35rem;
}

.quiz {
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: clamp(1.5rem, 3.5vw, 2.5rem);
  max-width: 46rem;
  margin: 0 auto;
}

.progress {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.75rem;
  color: var(--ink-soft);
  margin-bottom: 0.75rem;
}

.quiz__question {
  font-size: clamp(1.4rem, 2.6vw, 1.85rem);
}

.quiz__helper,
.quiz__hint {
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.fieldset {
  border: 0;
  margin: 1.25rem 0 0;
  padding: 0;
}

.option-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.6rem;
}

.option {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.85rem 1rem;
  background: var(--surface);
  transition: border-color 120ms ease-in-out, background 120ms ease-in-out;
}

.option:hover {
  border-color: #b9c6d3;
}

.option--selected {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.option input {
  margin-top: 0.3rem;
  accent-color: var(--accent);
  width: 1.05rem;
  height: 1.05rem;
  flex: none;
}

.option label {
  cursor: pointer;
}

.quiz__notice {
  background: var(--caution-soft);
  border-left: 3px solid var(--caution);
  color: #6b4600;
  padding: 0.75rem 0.9rem;
  border-radius: 8px;
  font-size: 0.92rem;
}

.quiz__error {
  color: #a3321f;
  font-size: 0.9rem;
  min-height: 1.2rem;
  margin-bottom: 0.5rem;
}

.quiz__actions {
  display: flex;
  gap: 0.75rem;
  justify-content: space-between;
  margin-top: 1.5rem;
}

.processing {
  text-align: center;
  background: var(--surface);
  border-radius: var(--radius);
  padding: 2.5rem;
  max-width: 34rem;
}

.result__heading {
  margin-bottom: 1.25rem;
}

.card {
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: clamp(1.5rem, 3vw, 2.25rem);
  margin-bottom: 1.25rem;
}

.card--secondary {
  box-shadow: none;
  border: 1px solid var(--line);
}

.card--primary {
  border-top: 4px solid var(--accent);
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.09em;
  font-size: 0.75rem;
  color: var(--accent-dark);
  font-weight: 700;
  margin-bottom: 0.4rem;
}

.card__title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: 0.4rem;
}

.card__summary {
  color: var(--ink);
  font-size: 1.05rem;
}

.card__evidence {
  color: var(--ink-soft);
  font-size: 0.85rem;
  margin-bottom: 0;
}

.value-note {
  background: var(--accent-soft);
  border-radius: 10px;
  padding: 0.8rem 1rem;
  font-size: 0.95rem;
  color: var(--accent-dark);
}

.bullet-list {
  margin: 0;
  padding-left: 1.1rem;
}

.bullet-list li {
  margin-bottom: 0.35rem;
}

.bullet-list--caution li::marker {
  color: var(--caution);
}

.chip-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.chip-list li {
  background: var(--accent-soft);
  color: var(--accent-dark);
  border-radius: 999px;
  padding: 0.25rem 0.7rem;
  font-size: 0.85rem;
}

.chip-list--muted li {
  background: var(--surface-muted);
  color: var(--ink-soft);
}

.card__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: 1rem;
}

.card__paragraph {
  color: var(--ink-soft);
}

.cta-block {
  margin-top: 1.75rem;
  border-top: 1px solid var(--line);
  padding-top: 1.25rem;
}

.cta-note {
  color: var(--ink-soft);
  font-size: 0.85rem;
  margin: 0.75rem 0 0.25rem;
}

.purchase-notice {
  margin: 0.85rem 0 0;
  padding: 0.6rem 0.85rem;
  background: var(--surface-muted);
  border-left: 3px solid var(--accent);
  border-radius: 8px;
  color: var(--ink-soft);
  font-size: 0.85rem;
}

.disclosure {
  color: var(--ink-soft);
  font-size: 0.82rem;
  margin: 0;
}

.warning {
  margin: 0.75rem 0;
  padding: 0.75rem 1rem;
  background: var(--caution-soft);
  border-left: 3px solid var(--caution);
  border-radius: 8px;
  color: #6b4600;
}

.restart-row {
  text-align: center;
  margin-top: 1.5rem;
}

.link-button {
  background: none;
  border: 0;
  color: var(--accent-dark);
  text-decoration: underline;
  font: inherit;
  cursor: pointer;
  padding: 0.4rem;
}

.site-footer {
  background: var(--surface);
  border-top: 1px solid var(--line);
  padding: 1.5rem 0 2rem;
}

.site-footer__note {
  color: var(--ink-soft);
  font-size: 0.85rem;
  margin: 0.5rem 0 0;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 0.75rem;
  font-size: 0.9rem;
}

.site-nav a {
  color: var(--accent-dark);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  border-bottom-color: var(--accent-dark);
}

.legal {
  max-width: 46rem;
}

.legal h2 {
  font-size: 1.05rem;
  margin-top: 1.6rem;
}

.legal__meta {
  color: var(--ink-soft);
  font-size: 0.85rem;
  margin-bottom: 1.5rem;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

:focus-visible {
  outline: 3px solid #1d7a68;
  outline-offset: 2px;
}

@media (max-width: 640px) {
  .site-header__inner {
    padding: 0.9rem 0;
  }

  .quiz__actions {
    flex-direction: column-reverse;
  }

  .quiz__actions .cta,
  .quiz__actions .button--ghost {
    width: 100%;
    text-align: center;
  }
}