/* =============================================================
   High Reactive – calm editorial-science design system
   Warm paper, deep ink, eucalyptus + clay. Deliberately low
   stimulation: generous whitespace, soft contrast, no motion
   you didn't ask for. The medium is part of the message.
   ============================================================= */

/* ---------- tokens ---------- */
:root {
  --paper:        #f7f4ee;
  --paper-2:      #f1ece2;
  --surface:      #fffdf8;
  --surface-2:    #faf6ee;
  --ink:          #202623;
  --ink-soft:     #434b47;
  --muted:        #6c7570;
  --faint:        #93998f;
  --border:       #e4ddcf;
  --border-2:     #d6cdba;

  --eucalyptus:   #2f5d52;
  --eucalyptus-2: #3d7565;
  --eucalyptus-soft: #e8efe9;
  --eucalyptus-tint: rgba(47, 93, 82, 0.08);

  --clay:         #b1542d;
  --clay-2:       #c4633a;
  --clay-soft:    #f6e7dd;

  --amber:        #c08a2d;
  --amber-soft:   #f4ebd6;

  --font-display: 'Fraunces', Georgia, 'Times New Roman', serif;
  --font-body:    'Inter', system-ui, -apple-system, sans-serif;
  --font-mono:    'IBM Plex Mono', ui-monospace, 'SF Mono', Menlo, monospace;

  --radius-1:   8px;
  --radius-2:   16px;
  --radius-pill: 999px;

  --ease:       cubic-bezier(.2, .7, .2, 1);
  --transition: 240ms var(--ease);

  --container:  1140px;
  --measure:    720px;
}

/* ---------- base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink-soft);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img, svg { max-width: 100%; height: auto; display: block; }

a { color: var(--eucalyptus); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--clay); }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 500;
  color: var(--ink);
  letter-spacing: -0.012em;
  line-height: 1.12;
  margin: 0 0 0.5em;
  font-optical-sizing: auto;
}
h1 { font-size: clamp(2.4rem, 5.2vw, 4rem); font-weight: 500; letter-spacing: -0.022em; }
h2 { font-size: clamp(1.7rem, 3.2vw, 2.5rem); letter-spacing: -0.018em; }
h3 { font-size: 1.4rem; }
h4 { font-size: 1.12rem; }

p { margin: 0 0 1.1em; }
strong { color: var(--ink); font-weight: 600; }
.muted { color: var(--muted); }

::selection { background: var(--eucalyptus); color: #fff; }

/* ---------- layout ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
.container--narrow { max-width: 840px; }

.section {
  padding: clamp(56px, 8vw, 110px) 0;
  position: relative;
}
.section--tight { padding: clamp(40px, 5vw, 72px) 0; }
.section--paper2 { background: var(--paper-2); }
.section--ink {
  background: var(--eucalyptus);
  color: rgba(255,255,255,0.86);
}
.section--ink h1, .section--ink h2, .section--ink h3 { color: #fff; }

.section__header {
  max-width: var(--measure);
  margin-bottom: clamp(36px, 5vw, 56px);
}
.section__header.is-center { margin-left: auto; margin-right: auto; text-align: center; }
.section__header p { color: var(--muted); font-size: 1.12rem; margin-bottom: 0; }

/* ---------- eyebrow / labels ---------- */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--eucalyptus);
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}
.eyebrow::before {
  content: '';
  width: 26px; height: 1px;
  background: var(--eucalyptus);
  opacity: 0.6;
}
.eyebrow--clay { color: var(--clay); }
.eyebrow--clay::before { background: var(--clay); }

.visually-hidden, .skip-link { position: absolute; left: -9999px; top: auto; }
.skip-link:focus {
  position: fixed; left: 16px; top: 16px; z-index: 9999;
  background: var(--eucalyptus); color: #fff; padding: 10px 16px;
  font-family: var(--font-mono); border-radius: var(--radius-1);
}

/* ---------- header / nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(10px);
  background: rgba(247, 244, 238, 0.85);
  border-bottom: 1px solid var(--border);
}
.site-header__inner {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 16px; padding-bottom: 16px;
  gap: 32px;
}
.brand {
  display: inline-flex; align-items: center; gap: 11px;
  color: var(--ink);
}
.brand:hover { color: var(--ink); }
.brand__mark { color: var(--eucalyptus); display: inline-flex; }
.brand__word {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.2rem;
  letter-spacing: -0.01em;
}

.site-nav__list {
  display: flex; align-items: center; gap: 26px;
  list-style: none; margin: 0; padding: 0;
}
.site-nav__list > li > a {
  color: var(--ink-soft);
  font-size: 0.95rem;
  font-weight: 500;
  position: relative;
  padding: 4px 0;
}
.site-nav__list > li > a:hover { color: var(--eucalyptus); }
.site-nav__list > li > a.is-active { color: var(--eucalyptus); }
.site-nav__list > li > a.is-active::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: -3px;
  height: 2px; background: var(--eucalyptus); border-radius: 2px;
}

.site-nav__toggle {
  display: none;
  width: 40px; height: 40px;
  background: transparent; border: 1px solid var(--border-2);
  border-radius: var(--radius-1);
  flex-direction: column; align-items: center; justify-content: center; gap: 4px;
  cursor: pointer;
}
.site-nav__toggle-bar { display: block; width: 18px; height: 2px; background: var(--ink); border-radius: 2px; }

@media (max-width: 920px) {
  .site-nav__toggle { display: inline-flex; }
  .site-nav__list {
    position: fixed; inset: 0; top: 65px;
    background: var(--paper);
    flex-direction: column; align-items: flex-start;
    padding: 36px 28px; gap: 8px;
    border-top: 1px solid var(--border);
    transform: translateY(-110%);
    visibility: hidden;
    transition: transform var(--transition), visibility var(--transition);
    overflow-y: auto;
  }
  .site-nav.is-open .site-nav__list { transform: translateY(0); visibility: visible; }
  .site-nav__list > li { width: 100%; }
  .site-nav__list > li > a {
    font-family: var(--font-display); font-size: 1.5rem; font-weight: 500;
    display: block; padding: 12px 0; border-bottom: 1px solid var(--border);
  }
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 13px 22px;
  font-family: var(--font-body);
  font-size: 0.97rem;
  font-weight: 600;
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--border-2);
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: all var(--transition);
}
.btn--primary {
  background: var(--eucalyptus);
  border-color: var(--eucalyptus);
  color: #fff;
}
.btn--primary:hover {
  background: var(--eucalyptus-2);
  border-color: var(--eucalyptus-2);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 8px 22px -10px rgba(47, 93, 82, 0.6);
}
.btn--ghost:hover {
  border-color: var(--eucalyptus);
  color: var(--eucalyptus);
}
.btn--on-ink {
  background: #fff; border-color: #fff; color: var(--eucalyptus);
}
.btn--on-ink:hover { background: var(--surface-2); color: var(--eucalyptus); transform: translateY(-1px); }
.btn .arrow { transition: transform var(--transition); }
.btn:hover .arrow { transform: translateX(3px); }

/* ---------- hero ---------- */
.hero {
  padding: clamp(40px, 6vw, 80px) 0 clamp(48px, 7vw, 96px);
  position: relative;
  overflow: hidden;
}
.hero__inner {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: center;
}
@media (max-width: 900px) {
  .hero__inner { grid-template-columns: 1fr; gap: 48px; }
}
.hero h1 { margin-bottom: 0; }
.hero h1 em { font-style: italic; color: var(--eucalyptus); }
.hero__lede {
  margin-top: 26px;
  font-size: 1.22rem;
  color: var(--ink-soft);
  max-width: 540px;
}
.hero__actions { margin-top: 34px; display: flex; gap: 14px; flex-wrap: wrap; }
.hero__meta {
  margin-top: 44px;
  display: flex; gap: 40px; flex-wrap: wrap;
}
.hero__meta-item { max-width: 200px; }
.hero__meta-num {
  font-family: var(--font-display);
  font-size: 2.1rem; font-weight: 500;
  color: var(--eucalyptus); line-height: 1;
}
.hero__meta-label {
  margin-top: 8px;
  font-size: 0.88rem; color: var(--muted); line-height: 1.4;
}

/* ---------- distribution chart (hero visual) ---------- */
.distribution {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-2);
  padding: 30px 30px 24px;
  box-shadow: 0 24px 60px -38px rgba(32, 38, 35, 0.35);
}
.distribution__title {
  font-family: var(--font-mono);
  font-size: 0.72rem; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--muted); margin-bottom: 18px;
}
.distribution__svg { width: 100%; height: auto; }
.distribution__legend {
  margin-top: 18px;
  display: flex; flex-wrap: wrap; gap: 8px 20px;
  font-family: var(--font-mono); font-size: 0.74rem; color: var(--muted);
}
.distribution__legend span { display: inline-flex; align-items: center; gap: 7px; }
.distribution__legend i {
  width: 11px; height: 11px; border-radius: 3px; display: inline-block;
}

/* ---------- page head ---------- */
.page-head {
  padding: clamp(28px, 4vw, 52px) 0 clamp(28px, 4vw, 48px);
  border-bottom: 1px solid var(--border);
}
.page-head__inner { max-width: 840px; }
.page-head__lede {
  font-size: 1.2rem; color: var(--ink-soft); margin-top: 20px; margin-bottom: 0;
  max-width: var(--measure);
}

/* ---------- breadcrumbs ---------- */
.crumbs {
  font-family: var(--font-mono);
  font-size: 0.74rem; letter-spacing: 0.04em;
  color: var(--faint); margin-bottom: 22px;
}
.crumbs a { color: var(--muted); }
.crumbs a:hover { color: var(--clay); }
.crumbs span { color: var(--ink); }

/* ---------- prose ---------- */
.prose { max-width: var(--measure); }
.prose.is-wide { max-width: 880px; }
.prose > * + * { margin-top: 1.1em; }
.prose h2 { margin-top: 1.8em; margin-bottom: 0.5em; padding-top: 0.2em; }
.prose h2:first-child { margin-top: 0; }
.prose h3 { margin-top: 1.6em; margin-bottom: 0.4em; color: var(--ink); }
.prose p, .prose li { color: var(--ink-soft); }
.prose a { text-decoration: underline; text-decoration-color: rgba(47,93,82,0.35); text-underline-offset: 2px; }
.prose a:hover { text-decoration-color: var(--clay); }
.prose ul, .prose ol { margin: 0 0 1.1em; padding-left: 1.3em; }
.prose li { margin-bottom: 0.5em; }
.prose ul { list-style: none; padding-left: 0; }
.prose ul > li {
  position: relative; padding-left: 1.7em;
}
.prose ul > li::before {
  content: ''; position: absolute; left: 0.15em; top: 0.66em;
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--eucalyptus); opacity: 0.55;
}
.prose ol { padding-left: 1.4em; }
.prose ol li::marker { color: var(--eucalyptus); font-family: var(--font-mono); font-size: 0.9em; }
.lead { font-size: 1.22rem; color: var(--ink); line-height: 1.55; }

/* ---------- pull quote ---------- */
.pullquote {
  margin: clamp(32px, 5vw, 52px) 0;
  padding: 4px 0 4px 28px;
  border-left: 3px solid var(--eucalyptus);
}
.pullquote p {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.6vw, 1.85rem);
  font-weight: 400; font-style: italic;
  color: var(--ink); line-height: 1.32; margin: 0;
}
.pullquote cite {
  display: block; margin-top: 16px;
  font-family: var(--font-mono); font-style: normal;
  font-size: 0.78rem; letter-spacing: 0.04em; color: var(--muted);
}

/* ---------- callout boxes ---------- */
.callout {
  border-radius: var(--radius-2);
  padding: 26px 28px;
  margin: clamp(28px, 4vw, 40px) 0;
  border: 1px solid var(--border);
  background: var(--surface);
}
.callout__label {
  font-family: var(--font-mono);
  font-size: 0.72rem; letter-spacing: 0.16em; text-transform: uppercase;
  margin-bottom: 10px; display: flex; align-items: center; gap: 9px;
}
.callout p:last-child { margin-bottom: 0; }
.callout--note { background: var(--eucalyptus-soft); border-color: #cfdfd4; }
.callout--note .callout__label { color: var(--eucalyptus); }
.callout--caution { background: var(--clay-soft); border-color: #ecd2c2; }
.callout--caution .callout__label { color: var(--clay); }
.callout--key { background: var(--amber-soft); border-color: #e8d6ac; }
.callout--key .callout__label { color: var(--amber); }

/* ---------- stat strip / figures ---------- */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-2);
  overflow: hidden;
}
.stat-cell { background: var(--surface); padding: 30px 26px; }
.stat-cell__num {
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 4vw, 2.9rem); font-weight: 500;
  color: var(--eucalyptus); line-height: 1; letter-spacing: -0.02em;
}
.stat-cell__num .unit { font-size: 0.5em; color: var(--muted); }
.stat-cell__label { margin-top: 14px; font-size: 0.95rem; color: var(--ink-soft); }
.stat-cell__src { margin-top: 8px; font-family: var(--font-mono); font-size: 0.72rem; color: var(--faint); }

/* ---------- concept / generic cards ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}
.card-grid--2 { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-2);
  padding: 30px 28px;
  display: flex; flex-direction: column;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
a.card:hover {
  transform: translateY(-3px);
  border-color: var(--border-2);
  box-shadow: 0 18px 40px -28px rgba(32, 38, 35, 0.4);
}
.card__kicker {
  font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--eucalyptus); margin-bottom: 12px;
}
.card h3 { font-size: 1.3rem; margin-bottom: 10px; }
.card p { color: var(--muted); font-size: 0.98rem; margin-bottom: 0; }
.card__more {
  margin-top: 18px; font-weight: 600; font-size: 0.92rem; color: var(--eucalyptus);
  display: inline-flex; align-items: center; gap: 7px;
}
.card__more::after { content: '→'; transition: transform var(--transition); }
a.card:hover .card__more::after { transform: translateX(4px); }
.card__num {
  font-family: var(--font-mono); font-size: 0.78rem; color: var(--clay);
  letter-spacing: 0.1em; margin-bottom: 14px;
}

/* ---------- comparison table ---------- */
.table-wrap { overflow-x: auto; margin: 32px 0; border: 1px solid var(--border); border-radius: var(--radius-2); }
table.compare {
  width: 100%; border-collapse: collapse; min-width: 640px;
  font-size: 0.95rem; background: var(--surface);
}
table.compare th, table.compare td {
  text-align: left; padding: 16px 20px; border-bottom: 1px solid var(--border);
  vertical-align: top;
}
table.compare thead th {
  font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--muted); background: var(--surface-2);
  font-weight: 500;
}
table.compare tbody th {
  font-family: var(--font-display); font-weight: 500; color: var(--ink);
  font-size: 1.02rem; white-space: nowrap;
}
table.compare tbody tr:last-child th,
table.compare tbody tr:last-child td { border-bottom: none; }
table.compare td { color: var(--ink-soft); }

/* ---------- lifespan stages ---------- */
.stage {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 36px;
  padding: clamp(28px, 4vw, 44px) 0;
  border-top: 1px solid var(--border);
}
.stage:last-child { border-bottom: 1px solid var(--border); }
@media (max-width: 760px) { .stage { grid-template-columns: 1fr; gap: 12px; } }
.stage__age {
  font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--clay);
}
.stage__title { font-size: 1.45rem; margin: 6px 0 0; }
.stage__body p:last-child { margin-bottom: 0; }
.stage__body { max-width: var(--measure); }

/* ---------- two-column strengths/risks ---------- */
.dual {
  display: grid; grid-template-columns: 1fr 1fr; gap: 24px;
}
@media (max-width: 820px) { .dual { grid-template-columns: 1fr; } }
.dual-col {
  border-radius: var(--radius-2); padding: 32px 30px; border: 1px solid var(--border);
}
.dual-col--strength { background: var(--eucalyptus-soft); border-color: #cfdfd4; }
.dual-col--risk { background: var(--clay-soft); border-color: #ecd2c2; }
.dual-col h3 { display: flex; align-items: center; gap: 10px; }
.dual-col ul { list-style: none; padding: 0; margin: 18px 0 0; display: grid; gap: 12px; }
.dual-col li { position: relative; padding-left: 26px; color: var(--ink-soft); font-size: 0.98rem; }
.dual-col li::before {
  position: absolute; left: 0; top: 0.05em; font-family: var(--font-mono); font-weight: 500;
}
.dual-col--strength li::before { content: '+'; color: var(--eucalyptus); }
.dual-col--risk li::before { content: '!'; color: var(--clay); }

/* ---------- CTA block ---------- */
.cta-block {
  background: var(--eucalyptus);
  border-radius: var(--radius-2);
  padding: clamp(40px, 6vw, 72px);
  text-align: center;
  color: rgba(255,255,255,0.88);
}
.cta-block h2 { color: #fff; margin-bottom: 14px; }
.cta-block p { max-width: 540px; margin: 0 auto 28px; }
.cta-block__actions { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; }

/* ---------- references ---------- */
.references {
  margin-top: clamp(48px, 7vw, 80px);
  padding-top: 32px;
  border-top: 1px solid var(--border);
}
.references h2 { font-size: 1.3rem; }
.references ol {
  font-family: var(--font-mono); font-size: 0.82rem; line-height: 1.6;
  color: var(--muted); padding-left: 1.5em;
}
.references li { margin-bottom: 10px; }
.references li::marker { color: var(--faint); }

/* ---------- mini facts / inline pills ---------- */
.pill {
  display: inline-block; padding: 4px 12px;
  font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.08em;
  border-radius: var(--radius-pill); border: 1px solid var(--border-2);
  color: var(--muted);
}
.pill--euc { color: var(--eucalyptus); border-color: #bcd1c4; background: var(--eucalyptus-soft); }
.pill--clay { color: var(--clay); border-color: #e2bda9; background: var(--clay-soft); }

/* ---------- TOC ---------- */
.toc {
  background: var(--surface-2); border: 1px solid var(--border);
  border-radius: var(--radius-2); padding: 24px 28px; margin-bottom: 40px;
}
.toc__label {
  font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--muted); margin-bottom: 14px;
}
.toc ol { margin: 0; padding-left: 1.3em; columns: 2; column-gap: 36px; }
.toc li { margin-bottom: 8px; }
.toc a { color: var(--ink-soft); }
@media (max-width: 600px) { .toc ol { columns: 1; } }

/* ---------- content meta (editorial byline) ---------- */
.content-meta {
  border-top: 1px solid var(--border);
  background: var(--surface-2);
}
.content-meta__inner {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 6px 24px;
  padding-top: 18px; padding-bottom: 18px;
  font-family: var(--font-mono); font-size: 0.76rem; color: var(--faint);
}
.content-meta a { color: var(--muted); }
.content-meta a:hover { color: var(--clay); }

/* ---------- help strip ---------- */
.help-strip {
  background: var(--paper-2);
  border-top: 1px solid var(--border);
}
.help-strip__inner {
  display: flex; align-items: flex-start; gap: 18px;
  padding-top: 28px; padding-bottom: 28px;
}
.help-strip__icon { color: var(--clay); flex: 0 0 auto; margin-top: 2px; }
.help-strip p {
  margin: 0; font-size: 0.95rem; color: var(--muted); max-width: 880px;
}
.help-strip a { font-weight: 600; }

/* ---------- footer ---------- */
.site-footer { background: var(--surface-2); border-top: 1px solid var(--border); padding-top: 60px; }
.site-footer__inner {
  display: grid; grid-template-columns: 1.8fr 1fr 1fr 1fr; gap: 40px;
  padding-bottom: 52px;
}
@media (max-width: 860px) { .site-footer__inner { grid-template-columns: 1fr 1fr; gap: 32px; } }
@media (max-width: 520px) { .site-footer__inner { grid-template-columns: 1fr; } }
.site-footer .brand__word { font-size: 1.3rem; color: var(--ink); }
.site-footer__tag { color: var(--eucalyptus); margin-top: 8px; font-size: 0.95rem; }
.site-footer__note { color: var(--muted); font-size: 0.9rem; margin-top: 14px; max-width: 360px; }
.site-footer h3 {
  font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--muted); margin-bottom: 16px;
}
.link-list { list-style: none; padding: 0; margin: 0; }
.link-list li { padding: 5px 0; }
.link-list a { color: var(--ink-soft); font-size: 0.95rem; }
.link-list a:hover { color: var(--clay); }
.site-footer__base { border-top: 1px solid var(--border); padding: 22px 0; }
.site-footer__base-inner {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px;
  font-size: 0.84rem; color: var(--faint);
}
.site-footer__base p { margin: 0; }

/* ---------- quiz ---------- */
.quiz { max-width: var(--measure); }
.quiz__item {
  border: 1px solid var(--border);
  border-radius: var(--radius-2);
  background: var(--surface);
  padding: 22px 24px;
  margin: 0 0 14px;
}
.quiz__item.is-unanswered { border-color: var(--clay); box-shadow: 0 0 0 3px var(--clay-soft); }
.quiz__legend {
  font-family: var(--font-display);
  font-size: 1.12rem; color: var(--ink); font-weight: 500;
  line-height: 1.3; margin-bottom: 16px; padding: 0;
}
.quiz__legend .qnum { font-family: var(--font-mono); font-size: 0.8rem; color: var(--eucalyptus); margin-right: 10px; }
.quiz__opts { display: flex; gap: 8px; flex-wrap: wrap; }
.quiz__opt {
  flex: 1 1 0; min-width: 96px;
  display: flex; align-items: center; justify-content: center;
  text-align: center;
  padding: 11px 14px;
  border: 1px solid var(--border-2);
  border-radius: var(--radius-pill);
  font-size: 0.92rem; font-weight: 500; color: var(--ink-soft);
  cursor: pointer; transition: all var(--transition); user-select: none;
}
.quiz__opt input { position: absolute; opacity: 0; width: 0; height: 0; }
.quiz__opt:hover { border-color: var(--eucalyptus); color: var(--eucalyptus); }
.quiz__opt:has(input:checked) {
  background: var(--eucalyptus); border-color: var(--eucalyptus); color: #fff;
}
.quiz__opt:has(input:focus-visible) { box-shadow: 0 0 0 3px var(--eucalyptus-tint); }
.quiz__actions { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; margin-top: 24px; }
.quiz__progress { font-family: var(--font-mono); font-size: 0.8rem; color: var(--muted); }

.quiz__result { margin-top: 8px; scroll-margin-top: 90px; }
.quiz__result[hidden] { display: none; }
.quiz__result-card {
  border-radius: var(--radius-2); padding: 32px 30px; border: 1px solid var(--border);
  background: var(--surface);
}
.quiz__band {
  font-family: var(--font-mono); font-size: 0.74rem; letter-spacing: 0.16em;
  text-transform: uppercase; margin-bottom: 10px;
}
.quiz__meter { height: 8px; border-radius: 999px; background: var(--paper-2); overflow: hidden; margin: 18px 0 22px; }
.quiz__meter-fill { height: 100%; border-radius: 999px; transition: width 600ms var(--ease); }
.quiz__result--low    .quiz__band { color: var(--eucalyptus); }
.quiz__result--low    .quiz__meter-fill { background: var(--eucalyptus); }
.quiz__result--mod    .quiz__band { color: var(--amber); }
.quiz__result--mod    .quiz__meter-fill { background: var(--amber); }
.quiz__result--high   .quiz__band { color: var(--clay); }
.quiz__result--high   .quiz__meter-fill { background: var(--clay); }
.quiz__result h3 { font-size: 1.5rem; margin-bottom: 12px; }

/* ---------- utility ---------- */
.center { text-align: center; }
.mt-0 { margin-top: 0; }
.flow > * + * { margin-top: 1.1em; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
  html { scroll-behavior: auto; }
}