:root {
  --paper: #f2eddf;
  --paper-2: #e9e0cd;
  --ink: #20352b;
  --ink-soft: #52645a;
  --forest: #284d39;
  --forest-2: #3e684d;
  --moss: #708b5c;
  --ochre: #b38242;
  --rust: #965b3c;
  --line: rgba(32, 53, 43, .20);
  --line-strong: rgba(32, 53, 43, .38);
  --white: #fffdf6;
  --shadow: 0 18px 55px rgba(45, 54, 42, .12);
  --radius: 20px;
  --serif: Georgia, "Times New Roman", serif;
  --sans: Inter, Arial, Helvetica, sans-serif;
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--paper);
}

body {
  margin: 0;
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.72;
  background:
    radial-gradient(circle at 16% 9%, rgba(179,130,66,.12), transparent 25rem),
    radial-gradient(circle at 85% 28%, rgba(62,104,77,.10), transparent 28rem),
    repeating-linear-gradient(
      0deg,
      rgba(32,53,43,.018) 0,
      rgba(32,53,43,.018) 1px,
      transparent 1px,
      transparent 5px
    ),
    var(--paper);
}

a {
  color: var(--forest-2);
  text-decoration-thickness: 1px;
  text-underline-offset: .18em;
}

a:hover {
  color: var(--rust);
}

img {
  max-width: 100%;
  height: auto;
}

button,
input,
textarea,
select {
  font: inherit;
}

.skip-link {
  position: fixed;
  left: 1rem;
  top: -5rem;
  z-index: 999;
  padding: .7rem 1rem;
  color: white;
  background: var(--forest);
  border-radius: 0 0 .6rem .6rem;
}

.skip-link:focus {
  top: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--line);
  background: rgba(242,237,223,.94);
  backdrop-filter: blur(16px);
}

.header-inner {
  width: min(1180px, calc(100% - 32px));
  min-height: 74px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 24px;
}

.brand {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--ink);
  text-decoration: none;
}

.brand__mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  font-family: var(--serif);
  font-size: 20px;
  background: var(--white);
}

.brand__text {
  display: grid;
  line-height: 1.08;
}

.brand__text strong {
  font-family: var(--serif);
  font-size: 19px;
  letter-spacing: .01em;
}

.brand__text small {
  margin-top: 4px;
  color: var(--ink-soft);
  font-size: 10px;
  letter-spacing: .13em;
  text-transform: uppercase;
}

.nav {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 3px;
  overflow-x: auto;
  scrollbar-width: none;
}

.nav::-webkit-scrollbar {
  display: none;
}

.nav a {
  flex: 0 0 auto;
  padding: .55rem .72rem;
  color: var(--ink-soft);
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  border-radius: 999px;
}

.nav a:hover,
.nav a[aria-current="page"] {
  color: var(--white);
  background: var(--forest);
}

.shell {
  width: min(1180px, calc(100% - 32px));
  margin-inline: auto;
}

.breadcrumbs {
  margin: 28px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  color: var(--ink-soft);
  font-size: 13px;
}

.breadcrumbs a {
  color: inherit;
}

.hero {
  padding: 46px 0 50px;
  border-bottom: 1px solid var(--line);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(310px, .85fr);
  gap: clamp(30px, 6vw, 76px);
  align-items: center;
}

.eyebrow,
.overline {
  margin: 0 0 10px;
  color: var(--rust);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .16em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  font-family: var(--serif);
  text-wrap: balance;
}

h1 {
  max-width: 900px;
  margin: 0;
  font-size: clamp(42px, 7vw, 82px);
  line-height: .98;
  letter-spacing: -.045em;
}

.hero__lead {
  max-width: 760px;
  margin: 26px 0 0;
  color: var(--ink-soft);
  font-size: clamp(18px, 2.2vw, 23px);
  line-height: 1.55;
}

.hero__meta {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.hero__meta span {
  padding: 7px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink-soft);
  background: rgba(255,253,246,.54);
  font-size: 12px;
  font-weight: 700;
}

.herbarium {
  position: relative;
  padding: 20px;
  background: rgba(255,253,246,.64);
  border: 1px solid var(--line-strong);
  border-radius: 3px;
  box-shadow: var(--shadow);
  transform: rotate(1.2deg);
}

.herbarium::before,
.herbarium::after {
  content: "";
  position: absolute;
  width: 66px;
  height: 16px;
  background: rgba(208,189,143,.55);
  transform: rotate(-7deg);
}

.herbarium::before {
  left: 24px;
  top: -9px;
}

.herbarium::after {
  right: 18px;
  bottom: -8px;
  transform: rotate(5deg);
}

.herbarium figcaption {
  margin-top: 8px;
  color: var(--ink-soft);
  font-family: var(--serif);
  font-size: 13px;
  text-align: center;
}

.page-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 250px;
  gap: clamp(30px, 5vw, 68px);
  padding: 56px 0 76px;
  align-items: start;
}

.article {
  min-width: 0;
}

.page-map {
  position: sticky;
  top: 100px;
  padding: 18px;
  border-left: 1px solid var(--line-strong);
  color: var(--ink-soft);
  font-size: 13px;
}

.page-map strong {
  display: block;
  margin-bottom: 10px;
  color: var(--ink);
  font-family: var(--serif);
  font-size: 16px;
}

.page-map a {
  display: block;
  padding: 6px 0;
  color: inherit;
  text-decoration: none;
}

.page-map a[aria-current="page"] {
  color: var(--rust);
  font-weight: 800;
}

.answer {
  margin-bottom: 54px;
  padding: clamp(24px, 4vw, 40px);
  color: var(--white);
  background:
    radial-gradient(circle at 85% 15%, rgba(255,255,255,.12), transparent 20rem),
    var(--forest);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.answer__label {
  display: block;
  margin-bottom: 12px;
  color: #d9c89d;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.answer h2 {
  margin: 0 0 14px;
  font-size: clamp(30px, 4vw, 47px);
  line-height: 1.08;
}

.answer p {
  max-width: 760px;
  margin: 0;
  color: rgba(255,255,255,.83);
}

.answer p + p {
  margin-top: 13px;
}

.content-section {
  padding: 47px 0;
  border-top: 1px solid var(--line);
}

.section-heading {
  margin-bottom: 23px;
  display: grid;
  grid-template-columns: 50px minmax(0,1fr);
  gap: 14px;
  align-items: start;
}

.section-heading > span {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  color: var(--rust);
  font-family: var(--serif);
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  background: rgba(255,253,246,.5);
}

.section-heading h2 {
  margin: 0;
  font-size: clamp(29px, 4vw, 47px);
  line-height: 1.08;
  letter-spacing: -.025em;
}

.article p,
.article li {
  max-width: 800px;
}

.article p {
  margin: 0 0 16px;
}

.article h3 {
  margin: 0 0 8px;
  font-size: 24px;
  line-height: 1.2;
}

.split {
  display: grid;
  grid-template-columns: minmax(0,1fr) minmax(230px,.42fr);
  gap: 28px;
  align-items: start;
}

.margin-note,
.warning {
  padding: 20px;
  border: 1px solid var(--line-strong);
  border-radius: 14px;
  background: rgba(255,253,246,.62);
}

.margin-note strong,
.warning strong {
  display: block;
  margin-bottom: 7px;
  font-family: var(--serif);
  font-size: 19px;
}

.margin-note p,
.warning p {
  margin: 0 0 10px;
  color: var(--ink-soft);
  font-size: 14px;
}

.warning {
  border-color: rgba(150,91,60,.42);
  background: rgba(150,91,60,.07);
}

.warning--large {
  margin-bottom: 52px;
  padding: clamp(22px,4vw,35px);
}

.warning--large strong {
  font-size: 25px;
}

.formula-grid,
.type-grid,
.risk-grid,
.dictionary,
.link-grid,
.evidence-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 14px;
}

.formula-card,
.type-grid article,
.risk-grid article,
.dictionary article,
.evidence-grid article {
  min-width: 0;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 15px;
  background: rgba(255,253,246,.55);
}

.formula-card > b {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  margin-bottom: 22px;
  color: var(--white);
  background: var(--forest);
  border-radius: 50%;
  font-family: var(--serif);
}

.formula-card--plus {
  border-color: rgba(179,130,66,.62);
  background: rgba(179,130,66,.09);
}

.formula-card--plus > b {
  background: var(--ochre);
}

.formula-card p,
.type-grid p,
.risk-grid p,
.dictionary p,
.evidence-grid p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 15px;
}

.type-grid small {
  display: block;
  margin-bottom: 12px;
  color: var(--rust);
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.topic-link {
  min-height: 145px;
  padding: 22px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  color: var(--ink);
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255,253,246,.55);
}

.topic-link:hover {
  color: var(--white);
  background: var(--forest);
  transform: translateY(-2px);
}

.topic-link span {
  color: var(--rust);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .13em;
  text-transform: uppercase;
}

.topic-link:hover span {
  color: #ddca9d;
}

.topic-link strong {
  max-width: 26rem;
  font-family: var(--serif);
  font-size: 21px;
  line-height: 1.25;
}

.evidence-tag {
  display: inline-flex;
  margin-bottom: 15px;
  padding: 4px 8px;
  color: var(--white);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
  border-radius: 999px;
  background: var(--forest);
}

.evidence-tag--tradition {
  background: var(--ochre);
}

.evidence-tag--research {
  background: var(--forest-2);
}

.evidence-tag--diagnosis {
  background: #4d6682;
}

.evidence-tag--warning {
  background: var(--rust);
}

.comparison {
  margin: 27px 0;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: 14px;
  background: rgba(255,253,246,.54);
}

.comparison > div {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 15px;
  padding: 14px 17px;
  border-top: 1px solid var(--line);
}

.comparison > div:first-child {
  border-top: 0;
}

.comparison__head {
  color: var(--white);
  background: var(--forest);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .05em;
  text-transform: uppercase;
}

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

.comparison__head span {
  color: inherit;
}

.data-strip {
  margin-top: 22px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--line);
}

.data-strip div {
  padding: 16px;
  display: grid;
  gap: 4px;
  background: rgba(255,253,246,.78);
}

.data-strip small {
  color: var(--ink-soft);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .07em;
}

.equation {
  margin: 27px 0;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: stretch;
  gap: 14px;
}

.equation > div {
  padding: 22px;
  display: grid;
  align-content: center;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255,253,246,.62);
}

.equation > span {
  display: grid;
  place-items: center;
  color: var(--ochre);
  font-family: var(--serif);
  font-size: 37px;
}

.equation small {
  color: var(--ink-soft);
  text-transform: uppercase;
  letter-spacing: .08em;
}

.equation strong {
  margin-top: 6px;
  font-family: var(--serif);
  font-size: 23px;
}

.equation__accent {
  border-color: rgba(179,130,66,.6) !important;
  background: rgba(179,130,66,.09) !important;
}

.number-list {
  max-width: 820px;
  margin: 24px 0;
  padding: 0;
  list-style: none;
  counter-reset: ordered;
}

.number-list li {
  position: relative;
  margin: 0;
  padding: 18px 0 18px 58px;
  border-top: 1px solid var(--line);
  counter-increment: ordered;
}

.number-list li::before {
  content: counter(ordered);
  position: absolute;
  left: 0;
  top: 16px;
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  color: var(--white);
  background: var(--forest);
  border-radius: 50%;
  font-family: var(--serif);
}

.faq-section {
  padding: 55px 0;
  border-top: 1px solid var(--line);
}

.faq-section h2 {
  margin: 0 0 24px;
  font-size: clamp(30px,4vw,47px);
}

.faq {
  display: grid;
  gap: 9px;
}

.faq details {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255,253,246,.56);
}

.faq summary {
  padding: 17px 20px;
  cursor: pointer;
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 700;
}

.faq details p {
  padding: 0 20px 18px;
  margin: 0;
  color: var(--ink-soft);
}

.sources {
  padding: 48px 0;
  border-top: 1px solid var(--line);
}

.sources h2 {
  margin: 0 0 12px;
  font-size: clamp(29px,4vw,44px);
}

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

.source-list {
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: sources;
}

.source-list li {
  position: relative;
  padding: 17px 0 17px 48px;
  border-top: 1px solid var(--line);
  counter-increment: sources;
}

.source-list li::before {
  content: counter(sources);
  position: absolute;
  left: 0;
  top: 17px;
  color: var(--rust);
  font-family: var(--serif);
  font-size: 19px;
}

.source-list a {
  font-weight: 800;
}

.source-list p {
  margin: 4px 0 0;
  color: var(--ink-soft);
  font-size: 14px;
}

.next-reading {
  padding: 42px 0 0;
  border-top: 1px solid var(--line);
}

.next-reading h2 {
  margin: 0 0 20px;
  font-size: 28px;
}

.next-grid {
  display: grid;
  grid-template-columns: repeat(2,minmax(0,1fr));
  gap: 12px;
}

.next-grid a {
  padding: 19px;
  color: var(--ink);
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: rgba(255,253,246,.5);
}

.next-grid small {
  display: block;
  color: var(--rust);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .08em;
}

.next-grid strong {
  display: block;
  margin-top: 7px;
  font-family: var(--serif);
  font-size: 19px;
}

.site-footer {
  padding: 40px 0;
  color: rgba(255,255,255,.73);
  background: var(--ink);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 30px;
  align-items: end;
}

.site-footer strong {
  color: var(--white);
  font-family: var(--serif);
  font-size: 21px;
}

.site-footer p {
  max-width: 700px;
  margin: 8px 0 0;
  font-size: 13px;
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 12px;
}

.site-footer a {
  color: rgba(255,255,255,.8);
  font-size: 13px;
}

.updated {
  margin-top: 25px;
  color: var(--ink-soft);
  font-size: 12px;
}

.error-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 30px;
}

.error-card {
  width: min(680px, 100%);
  padding: 45px;
  text-align: center;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: rgba(255,253,246,.72);
  box-shadow: var(--shadow);
}

.error-card b {
  display: block;
  color: var(--rust);
  font-family: var(--serif);
  font-size: 84px;
  line-height: 1;
}

@media (max-width: 940px) {
  .header-inner {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
    padding: 13px 0;
  }

  .nav {
    width: 100%;
    margin-left: 0;
  }

  .hero-grid,
  .page-grid {
    grid-template-columns: 1fr;
  }

  .herbarium {
    max-width: 620px;
  }

  .page-map {
    position: static;
    display: none;
  }
}

@media (max-width: 680px) {
  body {
    font-size: 16px;
  }

  .shell,
  .header-inner {
    width: min(100% - 22px, 1180px);
  }

  .brand__text small {
    display: none;
  }

  h1 {
    font-size: clamp(39px, 13vw, 59px);
  }

  .formula-grid,
  .type-grid,
  .risk-grid,
  .dictionary,
  .link-grid,
  .evidence-grid,
  .next-grid,
  .split,
  .data-strip {
    grid-template-columns: 1fr;
  }

  .comparison {
    overflow-x: auto;
  }

  .comparison > div {
    min-width: 680px;
  }

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

  .equation > span {
    min-height: 30px;
  }

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

  .site-footer nav {
    justify-content: flex-start;
  }
}

@media print {
  .site-header,
  .page-map,
  .site-footer,
  .next-reading {
    display: none !important;
  }

  body {
    background: white;
  }

  .hero,
  .content-section,
  .faq-section,
  .sources {
    break-inside: avoid;
  }

  a {
    color: black;
  }
}