:root {
  --ink: #20251f;
  --ink-soft: #586157;
  --muted: #7d867b;
  --paper: #f5f5ef;
  --white: #ffffff;
  --line: #dfe3d8;
  --green: #1e3429;
  --green-2: #315443;
  --mint: #dcefd4;
  --acid: #d8f06d;
  --orange: #f4aa55;
  --orange-pale: #fff0d9;
  --shadow: 0 18px 45px rgba(28, 46, 33, .08);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 15px/1.55 Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
button, summary { font: inherit; }
button { cursor: pointer; }
.site-header {
  height: 72px;
  padding: 0 max(5vw, 24px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
  background: rgba(255,255,255,.72);
}
.brand, .brand:hover { color: var(--ink); text-decoration: none; }
.brand { display: flex; gap: 10px; align-items: center; font-size: 21px; font-weight: 850; letter-spacing: -.06em; }
.brand-mark { width: 30px; height: 30px; display: grid; place-items: center; border-radius: 9px; background: var(--acid); color: var(--green); font-weight: 900; }
.header-meta { display: flex; align-items: center; gap: 9px; color: var(--muted); font-size: 12px; }
.status-dot { width: 7px; height: 7px; border-radius: 50%; background: #79a66e; box-shadow: 0 0 0 4px #e3f0df; }
main { width: min(1120px, 90vw); margin: 0 auto; padding: 80px 0 30px; }
.intro { display: flex; align-items: end; justify-content: space-between; gap: 45px; margin-bottom: 80px; }
.intro-copy { max-width: 760px; }
.eyebrow { margin: 0 0 12px; color: #6b7d5f; font-size: 10px; font-weight: 850; letter-spacing: .18em; }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 770px; margin-bottom: 22px; font-size: clamp(44px, 7vw, 86px); line-height: .99; letter-spacing: -.075em; font-weight: 800; }
.lede { max-width: 620px; margin-bottom: 0; color: var(--ink-soft); font-size: 19px; line-height: 1.5; }
.fixture-note { min-width: 255px; display: flex; gap: 13px; align-items: flex-start; padding: 17px 18px; border: 1px solid var(--line); border-radius: 15px; background: var(--white); box-shadow: var(--shadow); }
.note-icon { display: grid; place-items: center; width: 29px; height: 29px; border-radius: 50%; background: var(--mint); color: var(--green-2); }
.fixture-note strong { display: block; font-size: 13px; }
.fixture-note p { margin: 1px 0 5px; color: var(--ink-soft); font-size: 13px; }
.fixture-note small { color: var(--muted); font-size: 11px; }
.section-heading, .methodology-top { display: flex; align-items: end; justify-content: space-between; gap: 30px; }
.section-heading h2, .methodology h2 { margin-bottom: 0; font-size: 26px; letter-spacing: -.045em; }
.heading-note { max-width: 300px; margin: 0; color: var(--muted); font-size: 12px; text-align: right; }
.scenario-panel { margin-bottom: 22px; }
.scenario-picker { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 23px; }
.scenario-button { display: flex; flex-direction: column; align-items: flex-start; gap: 3px; padding: 17px 19px; border: 1px solid var(--line); border-radius: 13px; color: var(--ink-soft); background: rgba(255,255,255,.45); text-align: left; transition: .2s ease; }
.scenario-button:hover, .scenario-button:focus-visible { border-color: var(--green-2); transform: translateY(-2px); }
.scenario-button.is-active { border-color: var(--green); background: var(--green); color: white; box-shadow: 0 9px 25px rgba(30,52,41,.15); }
.scenario-button span { font-weight: 800; }
.scenario-button small { color: var(--muted); font-size: 11px; }
.scenario-button.is-active small { color: #bdd1bd; }
.burden-card { display: flex; align-items: center; justify-content: space-between; gap: 25px; min-height: 280px; padding: 34px 40px; overflow: hidden; border-radius: 20px; background: var(--green); color: white; box-shadow: var(--shadow); }
.burden-copy { max-width: 710px; }
.card-kicker { margin-bottom: 18px; color: var(--acid); font-size: 10px; font-weight: 800; letter-spacing: .14em; }
.pulse { display: inline-block; width: 7px; height: 7px; margin-right: 4px; border-radius: 50%; background: var(--acid); vertical-align: 1px; }
.burden-card h2 { margin-bottom: 12px; font-size: clamp(28px, 4vw, 43px); line-height: 1.08; letter-spacing: -.06em; }
.burden-card h2 span { color: var(--acid); }
.burden-card p { max-width: 610px; margin-bottom: 22px; color: #cbd8cb; }
.confidence-line { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; color: #b3c3b4; font-size: 11px; }
.confidence-badge, .access-tag { padding: 5px 8px; border-radius: 5px; font-size: 9px; font-weight: 850; letter-spacing: .1em; }
.confidence-badge { background: rgba(216,240,109,.16); color: var(--acid); }
.burden-visual { padding-right: 10px; }
.gauge { position: relative; width: 170px; height: 170px; display: flex; flex-direction: column; align-items: center; justify-content: center; border-radius: 50%; background: conic-gradient(var(--acid) 0 24%, rgba(255,255,255,.13) 24% 100%); color: var(--ink); text-align: center; }
.gauge::before { content: ""; position: absolute; inset: 12px; border-radius: 50%; background: var(--green); }
.gauge span, .gauge small { position: relative; z-index: 1; }
.gauge span { color: var(--acid); font-size: 35px; font-weight: 850; letter-spacing: -.06em; }
.gauge small { color: #b3c3b4; font-size: 10px; line-height: 1.25; }
.metrics-section { padding: 75px 0 40px; }
.section-heading.compact { margin-bottom: 22px; }
.metric-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.metric-card { min-height: 145px; padding: 19px; border: 1px solid var(--line); border-radius: 14px; background: var(--white); }
.metric-card .metric-label { color: var(--muted); font-size: 11px; }
.metric-card .metric-value { margin: 16px 0 5px; color: var(--green); font-size: 28px; font-weight: 850; letter-spacing: -.06em; }
.metric-card .metric-note { margin: 0; color: var(--ink-soft); font-size: 11px; line-height: 1.4; }
.detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.panel { padding: 28px; border: 1px solid var(--line); border-radius: 17px; background: var(--white); }
.panel-heading { display: flex; align-items: start; justify-content: space-between; gap: 15px; }
.panel h2 { margin-bottom: 0; font-size: 23px; letter-spacing: -.05em; }
.panel-intro { min-height: 48px; margin: 18px 0 23px; color: var(--ink-soft); font-size: 13px; }
.total-pill { padding: 6px 10px; border-radius: 7px; background: var(--mint); color: var(--green-2); font-size: 13px; font-weight: 850; }
.basket-row { display: grid; grid-template-columns: 1fr 75px; gap: 10px; align-items: center; margin-bottom: 17px; }
.basket-row:last-child { margin-bottom: 0; }
.basket-row-top { display: flex; justify-content: space-between; gap: 10px; margin-bottom: 5px; font-size: 12px; }
.basket-row-top strong { font-weight: 700; }
.basket-row-top span { color: var(--ink-soft); font-weight: 700; }
.bar-track { height: 7px; overflow: hidden; border-radius: 20px; background: #edf0e9; }
.bar-fill { height: 100%; border-radius: inherit; background: var(--green-2); }
.basket-row small { color: var(--muted); font-size: 10px; text-align: right; }
.legend-note { display: flex; gap: 7px; align-items: center; margin-top: 22px; color: var(--muted); font-size: 10px; }
.legend-swatch { width: 8px; height: 8px; border-radius: 3px; background: var(--green-2); }
.access-tag { background: var(--orange-pale); color: #9a5a16; }
.access-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.access-stat { padding: 13px; border-radius: 10px; background: #f6f7f2; }
.access-stat strong { display: block; color: var(--green); font-size: 23px; letter-spacing: -.05em; }
.access-stat span { display: block; margin-top: 2px; color: var(--muted); font-size: 10px; }
.access-callout { margin-top: 15px; padding: 13px; border-left: 3px solid var(--orange); background: #fff9ef; color: #795225; font-size: 11px; }
.methodology { margin-top: 76px; border: 1px solid var(--line); border-radius: 17px; background: #eef3e9; overflow: hidden; }
.methodology-top { padding: 29px 30px 24px; }
.methodology-body { padding: 0 30px 27px; }
.formula { display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 14px; padding: 20px; border: 1px dashed #b7c7b3; border-radius: 11px; color: var(--green-2); font-size: 12px; }
.formula strong { color: #9aaa94; font-size: 18px; }
.formula-result { padding: 5px 8px; border-radius: 5px; background: var(--green); color: var(--acid); font-weight: 850; }
.method-columns { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; margin-top: 25px; }
details { border-top: 1px solid #d4dfd1; }
summary { padding: 13px 0; color: var(--green); font-size: 12px; font-weight: 800; cursor: pointer; list-style-position: inside; }
details ul { margin: 0 0 4px; padding: 0 0 0 17px; color: var(--ink-soft); font-size: 11px; }
details li { margin-bottom: 5px; }
.source-strip { display: flex; justify-content: space-between; gap: 25px; padding: 17px 30px; border-top: 1px solid #d4dfd1; color: var(--green-2); font-size: 11px; }
.source-strip > div { display: flex; flex-direction: column; gap: 3px; }
.source-label { color: #7b9275; font-size: 9px; font-weight: 850; letter-spacing: .13em; }
.site-footer { display: flex; justify-content: space-between; gap: 30px; padding: 34px 0 20px; color: var(--muted); font-size: 11px; }
.site-footer div { display: flex; flex-direction: column; gap: 3px; color: var(--green); }
.site-footer span { color: var(--muted); }
.site-footer p { max-width: 520px; margin: 0; text-align: right; }

@media (max-width: 760px) {
  main { width: min(92vw, 620px); padding-top: 50px; }
  .intro, .section-heading, .methodology-top, .site-footer { align-items: flex-start; flex-direction: column; gap: 22px; }
  .intro { margin-bottom: 55px; }
  h1 { font-size: clamp(43px, 13vw, 72px); }
  .fixture-note { width: 100%; }
  .heading-note, .site-footer p { max-width: 100%; text-align: left; }
  .scenario-picker, .metric-grid, .detail-grid { grid-template-columns: 1fr; }
  .burden-card { align-items: flex-start; flex-direction: column; padding: 28px; }
  .burden-visual { align-self: center; padding: 0; }
  .metric-card { min-height: 125px; }
  .panel-intro { min-height: 0; }
  .method-columns { grid-template-columns: 1fr; gap: 0; }
  .source-strip { align-items: flex-start; flex-direction: column; gap: 15px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .scenario-button { transition: none; }
}