:root {
  --bg: #fbfaf7;
  --fg: #22252f;
  --muted: #5f6577;
  --card: #ffffff;
  --primary: #203466;
  --primary-hover: #182851;
  --soft: #f1f2f6;
  --accent: #f6efd9;
  --border: #dcdfe7;
  --success: #33995c;
  --danger: #b4232c;
  --danger-bg: #fdecee;
  --highlight: #f7e08a;
  --radius: 10px;
  --maxw: 760px;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 17px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
a { color: var(--primary); }
img { max-width: 100%; height: auto; }
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 16px; }

/* Header */
.site-header { background: var(--card); border-bottom: 1px solid var(--border); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding-top: 12px; padding-bottom: 12px; max-width: 1040px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--primary); }
.brand-mark { width: 38px; height: 38px; border: 2px solid var(--primary); border-radius: 6px; display: grid; place-items: center; font: 700 20px/1 Georgia, serif; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; font-family: Georgia, serif; }
.brand-text b { font-size: 15px; }
.brand-text small { font-size: 10px; letter-spacing: .12em; }
.header-cta { background: var(--primary); color: #fff; text-decoration: none; font-weight: 600; font-size: 14px; padding: 9px 14px; border-radius: 8px; white-space: nowrap; }
.header-cta:hover { background: var(--primary-hover); }
.nav { background: var(--soft); border-bottom: 1px solid var(--border); font-size: 14px; }
.nav .wrap { max-width: 1040px; display: flex; gap: 18px; overflow-x: auto; padding-top: 8px; padding-bottom: 8px; white-space: nowrap; scrollbar-width: none; }
.nav a { color: var(--fg); text-decoration: none; }
.nav a:hover { text-decoration: underline; }

/* Article */
.crumbs { font-size: 13px; color: var(--muted); margin: 18px 0 0; }
.crumbs a { color: var(--muted); }
h1 { font-size: 30px; line-height: 1.2; margin: 14px 0 8px; }
h2 { font-size: 24px; line-height: 1.25; margin: 38px 0 10px; }
h3 { font-size: 19px; line-height: 1.3; margin: 26px 0 8px; }
.byline { font-size: 13px; color: var(--muted); margin: 0 0 18px; }
.lead { font-size: 18px; }
.tldr { background: var(--accent); border-radius: var(--radius); padding: 16px 18px; margin: 18px 0; }
.tldr p { margin: 0 0 6px; font-weight: 700; }
.tldr ul { margin: 0; padding-left: 20px; }
.note { border-left: 4px solid var(--primary); background: var(--soft); padding: 12px 16px; border-radius: 0 var(--radius) var(--radius) 0; margin: 20px 0; }
.help { border: 2px solid var(--danger); background: var(--danger-bg); padding: 14px 16px; border-radius: var(--radius); margin: 20px 0; }
.help strong { color: var(--danger); }
table { width: 100%; border-collapse: collapse; font-size: 15px; margin: 14px 0; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { background: var(--soft); }
.table-scroll { overflow-x: auto; }
.sources { font-size: 14px; color: var(--muted); }
.sources li { margin-bottom: 6px; word-break: break-word; }
.cards { display: grid; grid-template-columns: 1fr; gap: 12px; margin: 16px 0; }
.card { display: block; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 16px; text-decoration: none; color: var(--fg); }
.card b { color: var(--primary); display: block; margin-bottom: 2px; }
.card span { font-size: 14px; color: var(--muted); }
.card:hover { border-color: var(--primary); }
.cta-band { background: var(--primary); color: #fff; border-radius: var(--radius); padding: 22px 20px; margin: 34px 0; text-align: center; }
.cta-band h2 { margin: 0 0 8px; color: #fff; font-size: 22px; }
.cta-band p { margin: 0 0 14px; }
.cta-band a { display: inline-block; background: var(--success); color: #fff; font-weight: 700; text-decoration: none; padding: 12px 22px; border-radius: 8px; }

/* FAQ */
.faq details { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 10px; }
.faq summary { cursor: pointer; font-weight: 600; padding: 12px 16px; list-style: none; display: flex; justify-content: space-between; gap: 12px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--primary); font-weight: 700; }
.faq details[open] summary::after { content: "–"; }
.faq details > div { padding: 0 16px 14px; color: var(--muted); }
.faq details > div p { margin: 0 0 8px; }

/* Quiz */
.quiz { margin: 22px 0 28px; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; box-shadow: 0 1px 3px rgba(0,0,0,.05); scroll-margin-top: 12px; }
.quiz-head { background: var(--accent); text-align: center; padding: 12px 16px; }
.quiz-head p { margin: 0; }
.quiz-head .t { font-weight: 700; text-decoration: underline; }
.quiz-head .s { font-size: 13px; color: var(--muted); }
.quiz-body-wrap { background: var(--card); padding: 22px 18px; }
.q-progress { height: 8px; background: var(--soft); border-radius: 99px; overflow: hidden; margin-bottom: 18px; }
.q-progress div { height: 100%; width: 16%; background: var(--fg); transition: width .4s; }
.q-title { font-size: 19px; text-align: center; margin: 0 0 16px; line-height: 1.3; }
.q-title-form { color: var(--primary); font-size: 22px; margin-bottom: 4px; }
.q-sub { text-align: center; font-size: 12px; color: var(--muted); margin: 0 0 6px; }
.q-options { display: flex; flex-direction: column; gap: 10px; }
.q-btn, .q-submit { width: 100%; padding: 15px 16px; border: 0; border-radius: 8px; background: var(--primary); color: #fff; font: 600 16px/1.3 inherit; font-family: inherit; text-align: left; cursor: pointer; }
.q-submit { text-align: center; margin-top: 4px; }
.q-btn:hover, .q-submit:hover { background: var(--primary-hover); }
.q-submit:disabled { opacity: .6; }
.q-warn { margin-top: 16px; border: 1px solid #e9a3a8; background: var(--danger-bg); color: var(--danger); font-size: 14px; font-weight: 500; padding: 12px 14px; border-radius: 8px; }
.q-form { display: flex; flex-direction: column; gap: 10px; }
.q-input { width: 100%; padding: 13px 14px; border: 1px solid var(--border); border-radius: 8px; font: 16px inherit; font-family: inherit; background: #fff; color: var(--fg); }
.q-input:focus { outline: 2px solid var(--primary); outline-offset: 1px; }
.q-err { color: var(--danger); font-size: 13px; margin: 4px 0 0; }
.q-hint { font-size: 12px; color: var(--muted); text-align: center; margin: -4px 0 0; }
.q-consent { font-size: 11px; line-height: 1.55; color: var(--muted); margin: 4px 0 0; }
.q-reassure { text-align: center; font-size: 14px; font-weight: 600; color: var(--success); margin: 4px 0 0; }
.q-loading { text-align: center; padding: 26px 0; color: var(--muted); }
.spinner { display: inline-block; width: 18px; height: 18px; border: 3px solid var(--border); border-top-color: var(--primary); border-radius: 50%; animation: spin .8s linear infinite; vertical-align: -3px; margin-right: 6px; }
@keyframes spin { to { transform: rotate(360deg); } }
.q-done { text-align: center; padding: 18px 0; }
.q-done h2 { margin: 10px 0 6px; }
.q-done p { color: var(--muted); margin: 0; }
.q-check { width: 60px; height: 60px; border-radius: 50%; background: var(--success); color: #fff; font-size: 32px; display: grid; place-items: center; margin: 0 auto; }
.quiz-foot { font-size: 12px; color: var(--muted); text-align: center; margin: 10px 0 0; }

/* Footer */
.site-footer { margin-top: 56px; background: var(--card); border-top: 1px solid var(--border); font-size: 13px; color: var(--muted); }
.site-footer .wrap { padding-top: 26px; padding-bottom: 30px; }
.site-footer p { margin: 0 0 10px; }
.foot-links { display: flex; flex-wrap: wrap; gap: 6px 16px; margin-bottom: 14px; }
.foot-links a { color: var(--muted); }
.disclaimer { font-size: 12px; line-height: 1.6; }

@media (min-width: 720px) {
  h1 { font-size: 38px; }
  .cards { grid-template-columns: 1fr 1fr; }
  .quiz-body-wrap { padding: 28px 30px; }
}

/* Table of contents + steps */
.toc { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 18px; margin: 24px 0; font-size: 15px; }
.toc p { margin: 0 0 6px; font-weight: 700; }
.toc ol { margin: 0; padding-left: 20px; columns: 1; }
.toc li { margin: 3px 0; break-inside: avoid; }
h2[id], h3[id] { scroll-margin-top: 12px; }
.steps { counter-reset: s; list-style: none; padding: 0; }
.steps > li { counter-increment: s; position: relative; padding: 0 0 14px 44px; }
.steps > li::before { content: counter(s); position: absolute; left: 0; top: 0; width: 30px; height: 30px; border-radius: 50%; background: var(--primary); color: #fff; font-weight: 700; display: grid; place-items: center; font-size: 15px; }
.template { background: var(--card); border: 1px dashed var(--primary); border-radius: var(--radius); padding: 16px 18px; font-size: 15px; white-space: pre-line; margin: 16px 0; }
@media (min-width: 720px) { .toc ol { columns: 2; column-gap: 28px; } }