/* ==========================================================================
   Frugal Fever — a consumer health reference (satire)
   ========================================================================== */

:root {
  --paper: #F2F5F1;
  --panel: #FFFFFF;
  --ink: #1B2A28;
  --ink-soft: #4C5C57;
  --ink-faint: #7C8B85;
  --clinical: #1F5C6B;
  --clinical-dark: #123A44;
  --clinical-pale: #E4EEEF;
  --gold: #B9822F;
  --gold-pale: #F3E7D2;
  --alert: #AE4530;
  --alert-pale: #F5E4DE;
  --mint: #4C7A5E;
  --mint-pale: #E1EEE4;
  --line: #D6DBD2;
  --line-strong: #B9C2B7;

  --serif: "Source Serif 4", Georgia, "Times New Roman", serif;
  --sans: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --content-w: 700px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation: none !important; transition: none !important; }
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--serif);
  color: var(--clinical-dark);
  font-weight: 700;
  line-height: 1.2;
  margin: 0 0 0.5em;
}

a { color: var(--clinical); }
a:focus-visible, button:focus-visible, input:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 2px;
}

p { margin: 0 0 1.1em; }

img, svg { max-width: 100%; }

/* ---------- Header ---------- */

.site-header {
  background: var(--panel);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 40;
}

.site-header__inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.wordmark {
  display: flex;
  align-items: baseline;
  gap: 10px;
  text-decoration: none;
}

.wordmark__mark {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--clinical-dark);
  letter-spacing: -0.01em;
}

.wordmark__mark .accent { color: var(--gold); }

.wordmark__tag {
  font-size: 0.72rem;
  color: var(--ink-faint);
  letter-spacing: 0.03em;
  border-left: 1px solid var(--line-strong);
  padding-left: 10px;
  display: none;
}

@media (min-width: 640px) {
  .wordmark__tag { display: inline; }
}

.top-nav {
  display: flex;
  gap: 22px;
  font-size: 0.92rem;
}

.top-nav a {
  color: var(--ink-soft);
  text-decoration: none;
}

.top-nav a:hover { color: var(--clinical); }

/* ---------- Page grid ---------- */

.page {
  max-width: 1180px;
  margin: 0 auto;
  padding: 36px 24px 0;
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 48px;
  align-items: start;
}

@media (max-width: 880px) {
  .page {
    grid-template-columns: 1fr;
    padding-top: 20px;
  }
}

.toc {
  position: sticky;
  top: 76px;
  font-size: 0.9rem;
}

@media (max-width: 880px) {
  .toc {
    position: static;
    overflow-x: auto;
    border-bottom: 1px solid var(--line);
    padding-bottom: 12px;
    margin-bottom: 8px;
  }
}

.toc__label {
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--ink-faint);
  text-transform: uppercase;
  margin-bottom: 10px;
}

@media (max-width: 880px) { .toc__label { display: none; } }

.toc ol {
  list-style: none;
  margin: 0;
  padding: 0;
  border-left: 2px solid var(--line);
}

@media (max-width: 880px) {
  .toc ol {
    display: flex;
    gap: 4px;
    border-left: none;
    white-space: nowrap;
  }
}

.toc li { margin: 0; }

.toc a {
  display: block;
  padding: 7px 0 7px 14px;
  color: var(--ink-soft);
  text-decoration: none;
  border-left: 2px solid transparent;
  margin-left: -2px;
}

@media (max-width: 880px) {
  .toc a {
    padding: 6px 12px;
    border-left: none;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: var(--panel);
  }
}

.toc a:hover { color: var(--clinical); }

.toc a.is-active {
  color: var(--clinical);
  border-left-color: var(--clinical);
  font-weight: 600;
}

@media (max-width: 880px) {
  .toc a.is-active {
    background: var(--clinical-pale);
    border-color: var(--clinical);
  }
}

main { min-width: 0; padding-bottom: 60px; }

section { scroll-margin-top: 76px; }

.section-block { max-width: var(--content-w); }
.section-block + .section-block { margin-top: 56px; padding-top: 56px; border-top: 1px solid var(--line); }

/* ---------- Hero / quick facts ---------- */

.hero { max-width: none; }

.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  color: var(--clinical);
  background: var(--clinical-pale);
  padding: 4px 10px;
  border-radius: 4px;
  margin-bottom: 14px;
}

.hero h1 {
  font-size: clamp(2.1rem, 4.5vw, 3rem);
  max-width: var(--content-w);
}

.hero .dek {
  font-size: 1.15rem;
  color: var(--ink-soft);
  max-width: var(--content-w);
  font-family: var(--serif);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 260px;
  gap: 40px;
  margin-top: 24px;
}

@media (max-width: 880px) {
  .hero-grid { grid-template-columns: 1fr; }
}

.quickfacts {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 20px;
  font-size: 0.92rem;
}

.quickfacts h2 {
  font-family: var(--sans);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 14px;
}

.quickfacts dl { margin: 0; }
.quickfacts dt {
  font-weight: 600;
  color: var(--ink);
  margin-top: 12px;
}
.quickfacts dt:first-child { margin-top: 0; }
.quickfacts dd {
  margin: 2px 0 0;
  color: var(--ink-soft);
}

/* ---------- Symptom categories ---------- */

.symptom-cat {
  margin-top: 28px;
}

.symptom-cat h3 {
  font-size: 1.15rem;
  display: flex;
  align-items: center;
  gap: 10px;
}

.symptom-cat h3::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gold);
  flex-shrink: 0;
}

.symptom-list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
}

.symptom-list li {
  position: relative;
  padding: 10px 0 10px 28px;
  border-bottom: 1px solid var(--line);
  color: var(--ink-soft);
}

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

.symptom-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 10px;
  color: var(--mint);
  font-weight: 700;
}

.symptom-list li strong { color: var(--ink); }

/* ---------- Callout boxes ---------- */

.callout {
  border-left: 4px solid var(--clinical);
  background: var(--clinical-pale);
  padding: 16px 20px;
  border-radius: 0 6px 6px 0;
  margin: 24px 0;
}

.callout--warn { border-left-color: var(--alert); background: var(--alert-pale); }
.callout--mint { border-left-color: var(--mint); background: var(--mint-pale); }
.callout--gold { border-left-color: var(--gold); background: var(--gold-pale); }

.callout p:last-child { margin-bottom: 0; }
.callout .callout__label {
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 700;
  display: block;
  margin-bottom: 6px;
}
.callout--warn .callout__label { color: var(--alert); }
.callout--mint .callout__label { color: var(--mint); }
.callout--gold .callout__label { color: var(--gold); }
.callout .callout__label { color: var(--clinical); }

/* ---------- Numbered causes / treatments ---------- */

.numbered-list {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: item;
}

.numbered-list li {
  counter-increment: item;
  position: relative;
  padding: 14px 0 14px 44px;
  border-bottom: 1px solid var(--line);
}

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

.numbered-list li::before {
  content: counter(item);
  position: absolute;
  left: 0;
  top: 12px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--clinical);
  color: #fff;
  font-family: var(--serif);
  font-weight: 700;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.numbered-list h4 {
  font-family: var(--sans);
  font-size: 1rem;
  margin-bottom: 2px;
  color: var(--ink);
}

.numbered-list p { margin: 0; color: var(--ink-soft); font-size: 0.95rem; }

/* ---------- Quiz ---------- */

.quiz-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 28px;
  max-width: var(--content-w);
}

.quiz-progress {
  font-size: 0.8rem;
  color: var(--ink-faint);
  margin-bottom: 6px;
}

.quiz-track {
  height: 6px;
  background: var(--line);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 22px;
}

.quiz-track__fill {
  height: 100%;
  background: var(--clinical);
  width: 0%;
  transition: width 0.3s ease;
}

.quiz-question { display: none; }
.quiz-question.is-active { display: block; }

.quiz-question h3 {
  font-size: 1.1rem;
  margin-bottom: 18px;
}

.quiz-options {
  display: grid;
  gap: 10px;
}

.quiz-option {
  display: block;
  width: 100%;
  text-align: left;
  padding: 13px 16px;
  border: 1px solid var(--line-strong);
  background: var(--paper);
  border-radius: 6px;
  font-family: var(--sans);
  font-size: 0.95rem;
  color: var(--ink);
  cursor: pointer;
}

.quiz-option:hover { border-color: var(--clinical); background: var(--clinical-pale); }

.quiz-nav {
  display: flex;
  justify-content: space-between;
  margin-top: 20px;
}

.btn {
  font-family: var(--sans);
  font-size: 0.9rem;
  font-weight: 600;
  padding: 10px 18px;
  border-radius: 6px;
  border: 1px solid var(--clinical);
  background: var(--clinical);
  color: #fff;
  cursor: pointer;
}

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

.btn--ghost {
  background: transparent;
  color: var(--clinical);
}

.quiz-result { display: none; text-align: center; }
.quiz-result.is-active { display: block; }

.quiz-result__stage {
  font-family: var(--serif);
  font-size: 1.8rem;
  color: var(--clinical-dark);
  margin: 10px 0 4px;
}

.quiz-result__score {
  font-size: 0.85rem;
  color: var(--ink-faint);
  margin-bottom: 16px;
}

.quiz-result__desc {
  text-align: left;
  color: var(--ink-soft);
  margin-bottom: 20px;
}

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

.diagnosis-pill {
  display: inline-block;
  background: var(--gold-pale);
  color: var(--gold);
  border: 1px solid var(--gold);
  border-radius: 999px;
  padding: 4px 14px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  margin-bottom: 10px;
}

/* ---------- Stats / charts ---------- */

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin-top: 24px;
  max-width: none;
}

.stat-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 20px;
}

.stat-card h4 {
  font-family: var(--sans);
  font-size: 0.88rem;
  color: var(--ink-soft);
  font-weight: 600;
  margin-bottom: 14px;
  min-height: 2.6em;
}

.stat-card .stat-figure {
  font-family: var(--serif);
  font-size: 2.1rem;
  color: var(--clinical);
  margin-bottom: 4px;
}

.stat-card .stat-caption {
  font-size: 0.78rem;
  color: var(--ink-faint);
}

.stat-card svg { display: block; margin: 10px 0; }

/* ---------- Testimonials ---------- */

.testimonial-grid {
  display: grid;
  gap: 18px;
  margin-top: 24px;
  max-width: none;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.testimonial {
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 4px solid var(--gold);
  border-radius: 0 8px 8px 0;
  padding: 18px 20px;
}

.testimonial p {
  font-family: var(--serif);
  font-style: italic;
  color: var(--ink);
  margin-bottom: 10px;
}

.testimonial cite {
  font-style: normal;
  font-size: 0.82rem;
  color: var(--ink-faint);
  display: block;
}

/* ---------- FAQ ---------- */

.faq-item {
  border-bottom: 1px solid var(--line);
}

.faq-item summary {
  padding: 16px 0;
  font-family: var(--serif);
  font-weight: 700;
  font-size: 1.02rem;
  cursor: pointer;
  color: var(--clinical-dark);
  list-style: none;
  display: flex;
  justify-content: space-between;
  gap: 16px;
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-item summary::after {
  content: "+";
  font-family: var(--sans);
  color: var(--clinical);
  flex-shrink: 0;
}

.faq-item[open] summary::after { content: "\2212"; }

.faq-item p {
  padding-bottom: 16px;
  color: var(--ink-soft);
  margin: 0;
}

/* ---------- Deals widget ---------- */

.deals-note {
  font-size: 0.85rem;
  color: var(--ink-faint);
  margin-bottom: 18px;
}

.deals-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  max-width: none;
}

.deal-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
}

.deal-card .rx {
  font-family: var(--serif);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 6px;
}

.deal-card h4 {
  font-family: var(--sans);
  font-size: 0.95rem;
  margin-bottom: 6px;
}

.deal-card p { font-size: 0.85rem; color: var(--ink-soft); margin-bottom: 10px; }

.deal-card a {
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
}

/* ---------- Diagnose a friend ---------- */

.share-box {
  background: var(--clinical-dark);
  color: #fff;
  border-radius: 10px;
  padding: 32px;
  text-align: center;
  max-width: none;
}

.share-box h2 { color: #fff; }

.share-box p {
  color: #C9D9DA;
  max-width: 480px;
  margin: 0 auto 20px;
}

.share-row {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
}

.share-row input {
  font-family: var(--sans);
  font-size: 0.85rem;
  padding: 10px 14px;
  border-radius: 6px;
  border: 1px solid #2D5F6B;
  background: #164450;
  color: #fff;
  width: 280px;
  max-width: 60vw;
}

.share-row .btn { border-color: var(--gold); background: var(--gold); }

.copy-feedback {
  font-size: 0.8rem;
  color: var(--gold-pale);
  margin-top: 10px;
  min-height: 1.2em;
}

/* ---------- Footer ---------- */

.site-footer {
  border-top: 1px solid var(--line);
  background: var(--panel);
  margin-top: 60px;
}

.site-footer__inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 32px 24px 40px;
  font-size: 0.8rem;
  color: var(--ink-faint);
}

.site-footer__inner p { margin: 0 0 10px; }

.site-footer__disclaimer {
  border-top: 1px solid var(--line);
  padding-top: 16px;
  margin-top: 16px;
  max-width: 640px;
}