:root {
  --ink: #17372e;
  --paper: #eee8e0;
  --white: #fff;
  --moss: #718b64;
  --rust: #b95f42;
  --gold: #d0aa59;
  --line: #cbd5cd;
  --muted: #62716a;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Arial, sans-serif;
}
button {
  font: inherit;
}
main {
  max-width: 1220px;
  margin: auto;
  padding: 46px 38px 26px;
}
.institution {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 30px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 22px;
  margin-bottom: 36px;
}
.institution img {
  width: 285px;
  height: auto;
}
.institution > div {
  display: flex;
  flex-direction: column;
  text-align: right;
}
.institution span,
.institution small {
  font-size: 11px;
  color: var(--muted);
  line-height: 1.5;
}
.institution strong {
  font-family: Georgia, serif;
  font-size: 20px;
  font-weight: 400;
  margin: 3px 0;
}
.institution .languageSwitch {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 4px;
  padding: 4px;
  margin-left: auto;
  border: 1px solid var(--line);
  background: var(--white);
  text-align: left;
}
.languageSwitch button {
  min-width: 42px;
  border: 0;
  background: transparent;
  color: var(--ink);
  padding: 8px 10px;
  cursor: pointer;
  font-size: 11px;
  letter-spacing: 0.08em;
}
.languageSwitch button:hover,
.languageSwitch button.active {
  background: var(--ink);
  color: #fff;
}
header {
  max-width: 920px;
}
.eyebrow {
  font-size: 11px;
  letter-spacing: 0.22em;
  color: #6d7a73;
  margin-bottom: 15px;
}
h1,
h2,
h3 {
  font-family: Georgia, serif;
  font-weight: 400;
}
h1 {
  font-size: 60px;
  line-height: 1.02;
  margin: 0 0 18px;
}
h2 {
  font-size: 31px;
  margin: 0 0 17px;
}
h3 {
  font-size: 21px;
  margin: 0 0 8px;
}
p {
  line-height: 1.55;
}
header > p:not(.heroAuthors) {
  font-size: 20px;
  color: var(--muted);
  max-width: 800px;
}
.heroAuthors {
  margin: 0 0 22px;
  color: var(--ink);
  font-size: 14px;
  letter-spacing: 0.035em;
}
.keystoneConcept {
  max-width: 970px;
  margin: 34px 0 0;
  padding: 24px 27px;
  background: var(--white);
  border: 1px solid var(--line);
  border-left: 5px solid var(--gold);
}
.keystoneConcept h2 {
  margin-bottom: 10px;
}
.keystoneConcept p {
  max-width: 880px;
  margin: 0;
  color: var(--muted);
  font-size: 15px;
}
.keystoneConcept p + p {
  margin-top: 16px;
}
.system {
  margin: 36px 0 18px;
  padding: 22px 26px;
  background: var(--ink);
  color: #fff;
}
.roles {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #dce5df;
}
.roles span {
  border-bottom: 1px solid #5c756a;
  padding-bottom: 10px;
}
.core {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 17px;
  padding: 25px 0 7px;
}
.core div {
  font-size: 18px;
  letter-spacing: 0.08em;
  padding: 11px 17px;
  border: 1px solid #789087;
}
.core i {
  font-style: normal;
}
.intro {
  max-width: 910px;
  border-left: 3px solid var(--gold);
  padding: 2px 18px;
  color: var(--muted);
}
.presets {
  display: flex;
  gap: 9px;
  align-items: center;
  margin: 24px 0;
}
.presets button {
  border: 1px solid var(--ink);
  background: transparent;
  color: var(--ink);
  padding: 10px 14px;
  cursor: pointer;
}
.presets button.active,
.presets button:hover {
  background: var(--ink);
  color: #fff;
}
.presets > span {
  margin-left: auto;
  color: var(--muted);
  font-size: 12px;
}
.interactionCue {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  margin: 28px 0 12px;
  padding: 18px 20px;
  background: #e7f0e1;
  border: 1px solid #a9bda2;
}
.interactionCue > div {
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 18px;
  align-items: center;
}
.interactionCue .eyebrow {
  grid-column: 1/-1;
  margin-bottom: 8px;
}
.interactionCue strong {
  font-family: Georgia, serif;
  font-size: 22px;
  font-weight: 400;
}
.interactionCue span {
  color: var(--muted);
  font-size: 13px;
}
.interactionCue i {
  font-style: normal;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #42613a;
  white-space: nowrap;
}
.framework {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(320px, 0.75fr);
  gap: 25px;
  align-items: start;
}
.criteria,
.trajectory,
.observe,
.roleGuide,
.guidance {
  background: var(--white);
  border: 1px solid var(--line);
  padding: 27px;
}
.criterion {
  border-top: 1px solid var(--line);
  padding: 21px 0;
}
.criterionHead {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 12px;
}
.criterionHead > b,
.signs article > b {
  color: var(--rust);
  font-weight: 400;
}
.criterionHead p {
  margin: 0 0 15px;
  color: var(--muted);
  font-size: 14px;
}
.choices {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}
.choices button {
  text-align: left;
  border: 1px solid var(--line);
  background: #faf9f5;
  color: var(--ink);
  padding: 11px;
  cursor: pointer;
  min-height: 105px;
  position: relative;
  transition:
    transform 0.15s,
    box-shadow 0.15s,
    background 0.15s;
}
.choices button:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 14px rgba(23, 55, 46, 0.12);
  border-color: var(--ink);
}
.choices button:disabled,
.choices button:disabled:hover {
  cursor: not-allowed;
  opacity: 0.46;
  transform: none;
  box-shadow: none;
  border-color: var(--line);
}
.choices em {
  display: block;
  font-style: normal;
  font-size: 9px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 7px;
}
.choices .selected em {
  color: var(--ink);
  font-weight: 700;
}
.choices strong {
  display: block;
  text-transform: uppercase;
  font-size: 10px;
  letter-spacing: 0.13em;
  margin-bottom: 8px;
}
.choices span {
  display: block;
  font-size: 12px;
  line-height: 1.35;
}
.choices .selected {
  box-shadow: inset 0 0 0 2px var(--ink);
}
.choices .selected.high {
  background: #e7f0e1;
}
.choices .selected.moderate {
  background: #f7edd1;
}
.choices .selected.low {
  background: #f5ded5;
}
.trajectory {
  position: sticky;
  top: 18px;
  min-height: 470px;
  border-top: 8px solid var(--gold);
}
.trajectory {
  animation: trajectoryChange 0.28s ease-out;
}
.selectionSummary {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 12px 0;
}
.selectionSummary div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 5px 0;
  font-size: 11px;
}
.selectionSummary span {
  color: var(--muted);
}
.selectionSummary b {
  text-transform: uppercase;
  font-size: 9px;
  letter-spacing: 0.08em;
}
.selectionSummary b.high {
  color: #52794a;
}
.selectionSummary b.moderate {
  color: #987318;
}
.selectionSummary b.low {
  color: var(--rust);
}
@keyframes trajectoryChange {
  from {
    opacity: 0.55;
    transform: translateY(5px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}
.index {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: -4px 0 16px;
}
.index strong {
  font-family: Georgia, serif;
  font-size: 40px;
  font-weight: 400;
  line-height: 1;
}
.index span {
  font-size: 9px;
  line-height: 1.35;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}
.trajectory.high {
  border-top-color: #77a46a;
}
.trajectory.constrained {
  border-top-color: var(--rust);
}
.lead {
  font-family: Georgia, serif;
  font-size: 20px;
}
.trajectory > p:not(.lead) {
  color: var(--muted);
}
.tailoredAdvice {
  margin: 22px 0 18px;
  padding: 16px;
  background: #f3f0e8;
  border-left: 4px solid var(--gold);
}
.tailoredAdvice > p {
  margin: 5px 0 12px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.45;
}
.tailoredAdvice article {
  display: grid;
  grid-template-columns: 24px 1fr;
  gap: 10px;
  padding: 11px 0;
  border-top: 1px solid var(--line);
}
.tailoredAdvice article > b {
  display: grid;
  place-items: center;
  width: 23px;
  height: 23px;
  border-radius: 50%;
  background: var(--ink);
  color: white;
  font-size: 10px;
}
.tailoredAdvice h3 {
  display: inline;
  margin: 0 7px 0 0;
  font-size: 13px;
}
.tailoredAdvice article span {
  font-size: 9px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.tailoredAdvice article span.low {
  color: var(--rust);
}
.tailoredAdvice article span.moderate {
  color: #987318;
}
.tailoredAdvice article span.high {
  color: #52794a;
}
.tailoredAdvice article p {
  margin: 5px 0 0;
  font-size: 12px;
  line-height: 1.45;
}
.gradient {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 7px;
  margin: 34px 0 26px;
  padding-top: 16px;
  border-top: 13px solid;
  border-image: linear-gradient(90deg, #c97057, #e8ce71, #7fa969) 1;
}
.gradient span {
  font-size: 9px;
  line-height: 1.2;
}
.gradient i {
  position: absolute;
  top: -20px;
  width: 3px;
  height: 27px;
  background: var(--ink);
  transition: left 0.3s;
}
.gradient .rawMarker {
  background: #9ba8a1;
  height: 21px;
  top: -17px;
  z-index: 1;
}
.gradient .resultMarker {
  background: var(--ink);
  z-index: 2;
}
.markerKey {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin: -15px 0 20px;
  color: var(--muted);
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.markerKey span {
  display: flex;
  align-items: center;
  gap: 5px;
}
.markerKey i {
  display: inline-block;
  width: 3px;
  height: 13px;
  background: var(--ink);
}
.markerKey span:last-child i {
  background: #9ba8a1;
}
.note {
  border-left: 3px solid var(--gold);
  padding: 10px 13px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}
.observe,
.roleGuide,
.guidance {
  margin-top: 28px;
}
.observe > p,
.roleGuide > p {
  max-width: 800px;
  color: var(--muted);
}
.signs,
.roleCards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.signs article,
.roleCards article {
  background: #f8f6ef;
  border-top: 3px solid var(--moss);
  padding: 18px;
}
.signs p,
.roleCards p {
  font-size: 13px;
  color: var(--muted);
}
.feedback {
  margin-top: 18px;
  background: var(--ink);
  color: #fff;
  padding: 18px;
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 20px;
}
.feedback span {
  font-size: 13px;
  line-height: 1.5;
}
.roleCards article {
  border-top-color: var(--gold);
}
.roleCards strong {
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.guidance ol {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
}
.guidance li {
  counter-increment: step;
  border-top: 1px solid var(--line);
  padding-top: 16px;
  font-size: 13px;
  line-height: 1.5;
}
.guidance li:before {
  content: "0" counter(step);
  display: block;
  color: var(--rust);
  margin-bottom: 10px;
}
.guidance li strong {
  display: block;
  margin-bottom: 4px;
}
footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 30px;
  border-top: 1px solid var(--line);
  margin-top: 32px;
  padding-top: 22px;
}
.researchAttribution {
  border-top: 1px solid var(--line);
  margin-top: 32px;
  padding-top: 22px;
  max-width: 920px;
}
.researchAttribution p {
  margin: 0;
}
.researchAttribution .attributionAuthors {
  color: var(--ink);
  font-size: 13px;
  font-weight: 700;
}
.researchAttribution .attributionQuote {
  margin-top: 14px;
  font-family: Georgia, serif;
  font-size: 23px;
}
.researchAttribution .attributionSource {
  margin-top: 9px;
  color: var(--muted);
  font-size: 11px;
}
.footerBrand {
  display: flex;
  align-items: center;
  gap: 16px;
}
.footerBrand img {
  width: 205px;
  height: auto;
}
.footerBrand > div {
  display: flex;
  flex-direction: column;
  gap: 5px;
}
.footerBrand strong {
  font-family: Georgia, serif;
  font-size: 15px;
  font-weight: 400;
}
.footerBrand span {
  color: var(--muted);
  font-size: 10px;
}
.footerText {
  text-align: right;
  max-width: 470px;
}
.footerText p {
  font-family: Georgia, serif;
  font-size: 23px;
  margin: 0;
}
.footerText span {
  color: var(--muted);
  font-size: 11px;
}
@media (max-width: 900px) {
  main {
    padding: 28px 18px;
  }
  h1 {
    font-size: 43px;
  }
  .framework {
    grid-template-columns: 1fr;
  }
  .trajectory {
    position: static;
  }
  .signs,
  .roleCards {
    grid-template-columns: 1fr 1fr;
  }
  .guidance ol {
    grid-template-columns: 1fr 1fr;
  }
  .choices {
    grid-template-columns: 1fr;
  }
  .choices button {
    min-height: auto;
  }
  .feedback {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 600px) {
  .roles {
    grid-template-columns: 1fr 1fr;
  }
  .institution {
    align-items: flex-start;
  }
  .institution img {
    width: 230px;
  }
  .footerBrand img {
    width: 170px;
  }
  .core {
    flex-wrap: wrap;
  }
  .presets {
    flex-wrap: wrap;
  }
  .presets > span {
    width: 100%;
    margin: 0;
  }
  .signs,
  .roleCards,
  .guidance ol {
    grid-template-columns: 1fr;
  }
  footer {
    display: block;
  }
  .institution {
    display: block;
  }
  .institution > div {
    text-align: left;
    margin-top: 14px;
  }
  .institution .languageSwitch {
    width: fit-content;
    margin-left: 0;
  }
  .institution img {
    width: 240px;
    max-width: 100%;
  }
  .footerText {
    text-align: left;
    margin-top: 20px;
  }
  .footerText span {
    display: block;
    text-align: left;
    margin-top: 12px;
  }
}
.calculator {
  background: var(--white);
  border: 1px solid var(--line);
  padding: 27px;
  margin-top: 28px;
}
.inlineCalculator {
  margin-top: 16px;
  border: 1px solid var(--line);
  background: #fbfaf6;
}
.inlineCalculator summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
}
.inlineCalculator summary::-webkit-details-marker {
  display: none;
}
.inlineCalculator summary span {
  color: var(--muted);
  font-size: 13px;
}
.inlineCalculator summary strong {
  color: var(--blue);
  font-size: 14px;
}
.inlineCalculator summary strong::after {
  content: " +";
}
.inlineCalculator[open] summary strong::after {
  content: " −";
}
.calculatorBody {
  border-top: 1px solid var(--line);
  padding: 20px;
}
.calculatorBody > p {
  max-width: 760px;
  color: var(--muted);
  margin-top: 0;
}
.calculator > div:first-child {
  max-width: 820px;
}
.calculator > div:first-child p {
  color: var(--muted);
}
.inputs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 22px 0;
}
.inputs label {
  font-size: 12px;
  color: var(--muted);
}
.inputs input {
  display: block;
  width: 100%;
  margin-top: 7px;
  border: 1px solid var(--line);
  background: #faf9f5;
  color: var(--ink);
  padding: 12px;
  font-size: 18px;
}
.baseInputs {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  max-width: 700px;
}
.seasonInputs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 0 0 22px;
}
.seasonInputs fieldset {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
  padding: 18px;
  border: 1px solid var(--line);
}
.seasonInputs legend {
  font-family: Georgia, serif;
  font-size: 18px;
  padding: 0 7px;
}
.seasonInputs label {
  font-size: 12px;
  color: var(--muted);
}
.seasonInputs input[type="number"] {
  display: block;
  width: 100%;
  margin-top: 7px;
  padding: 10px;
  border: 1px solid var(--line);
  background: #faf9f5;
  color: var(--ink);
  font-size: 18px;
}
.seasonInputs .restToggle {
  grid-column: 1 / -1;
  display: flex;
  align-items: flex-start;
  gap: 9px;
  color: var(--ink);
  line-height: 1.4;
}
.seasonInputs .restToggle input {
  margin-top: 2px;
}
.calcResults {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 18px;
}
.calcResults article {
  background: #f8f6ef;
  border-top: 3px solid var(--gold);
  padding: 18px;
}
.calcResults span,
.calcResults small {
  display: block;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.4;
}
.calcResults strong {
  display: block;
  font-family: Georgia, serif;
  font-size: 31px;
  font-weight: 400;
  margin: 8px 0;
}
.calculatorDecision {
  border-left: 5px solid var(--gold);
  background: #f8f6ef;
  padding: 16px 18px;
  margin-bottom: 16px;
}
.calculatorDecision.high {
  border-left-color: var(--green);
}
.calculatorDecision.moderate {
  border-left-color: var(--gold);
}
.calculatorDecision.low {
  border-left-color: var(--coral);
}
.calculatorDecision span,
.calculatorDecision strong {
  display: block;
}
.calculatorDecision span {
  color: var(--muted);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.calculatorDecision strong {
  margin: 5px 0 7px;
  font-family: Georgia, serif;
  font-size: 22px;
  font-weight: 400;
}
.calculatorDecision p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}
@media (max-width: 900px) {
  .seasonInputs,
  .calcResults {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 600px) {
  .inlineCalculator summary {
    align-items: flex-start;
    flex-direction: column;
    gap: 6px;
  }
  .calculatorBody {
    padding: 16px;
  }
  .inputs,
  .seasonInputs,
  .seasonInputs fieldset,
  .calcResults {
    grid-template-columns: 1fr;
  }
}
.dung {
  background: var(--white);
  border: 1px solid var(--line);
  padding: 27px;
  margin-top: 28px;
}
.dung > div:first-child {
  max-width: 850px;
}
.dung > div:first-child p,
.dungAdvice p {
  color: var(--muted);
}
.dungOptions {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin: 22px 0;
}
.dungOptions button {
  border: 1px solid var(--ink);
  background: transparent;
  color: var(--ink);
  padding: 13px;
  cursor: pointer;
  transition:
    background 0.15s,
    color 0.15s,
    transform 0.15s;
}
.dungOptions button:hover {
  transform: translateY(-2px);
}
.dungOptions button.selected {
  background: var(--ink);
  color: #fff;
}
.dungAdvice {
  background: #f8f6ef;
  border-top: 4px solid var(--moss);
  padding: 20px;
  margin-bottom: 18px;
}
.medicationRule {
  margin-top: 1rem;
  padding: 0.9rem 1rem;
  border-left: 4px solid var(--orange);
  background: rgba(255, 126, 0, 0.1);
  border-radius: 0 0.7rem 0.7rem 0;
}
.dungChecks {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-top: 17px;
}
.dungChecks span {
  border-top: 1px solid var(--line);
  padding-top: 9px;
  color: var(--ink);
  font-size: 11px;
  line-height: 1.35;
}
@media (max-width: 900px) {
  .dungChecks {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 600px) {
  .interactionCue {
    align-items: flex-start;
  }
  .interactionCue > div {
    display: block;
  }
  .interactionCue span {
    display: block;
    margin-top: 6px;
  }
  .dungOptions,
  .dungChecks {
    grid-template-columns: 1fr;
  }
}