@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Manrope:wght@400;500;600;700;800&display=swap');

:root {
  color-scheme: light;
  --paper: #f5f3ed;
  --surface: #fffefa;
  --ink: #202c2b;
  --muted: #687573;
  --green: #315f4b;
  --green-dark: #203f35;
  --green-pale: #e6eee8;
  --red: #cf3b39;
  --line-green: #26834a;
  --orange: #d9824b;
  --rule: #d8ded8;
  --shadow: 0 18px 50px rgba(30, 53, 43, .09);
  font-family: 'DM Sans', Arial, sans-serif;
  color: var(--ink);
  background: var(--paper);
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body { margin: 0; min-width: 320px; background: var(--paper); }
a { color: inherit; }
button, input, select { font: inherit; }
button, a, select { -webkit-tap-highlight-color: transparent; }
.section-shell { width: min(1200px, calc(100% - 64px)); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

.site-header {
  position: sticky; z-index: 1000; top: 0; display: flex; align-items: center; justify-content: space-between;
  min-height: 74px; padding: 0 max(32px, calc((100vw - 1200px) / 2));
  border-bottom: 1px solid rgba(49,95,75,.12); background: rgba(245,243,237,.94); backdrop-filter: blur(14px);
}
.brand { display: inline-flex; align-items: center; gap: 11px; color: var(--green-dark); font-weight: 700; letter-spacing: -.02em; text-decoration: none; }
.brand-mark { display: grid; width: 32px; height: 32px; place-items: center; border-radius: 50%; color: white; background: var(--green); font-family: Manrope, sans-serif; font-size: 14px; }
.main-nav { display: flex; align-items: center; gap: 32px; }
.main-nav a { color: #57645f; font-size: 14px; text-decoration: none; transition: color .2s ease; }
.main-nav a:hover, .main-nav a:focus-visible { color: var(--green); }
.header-cta { color: var(--green-dark); font-size: 14px; font-weight: 700; text-decoration: none; }
.header-cta span { margin-left: 6px; color: var(--orange); }

.hero { position: relative; display: grid; grid-template-columns: 1.08fr .92fr; gap: 30px; align-items: center; padding-top: 70px; padding-bottom: 56px; }
.hero-copy { position: relative; z-index: 2; padding: 20px 0 32px; }
.eyebrow { display: flex; align-items: center; gap: 9px; margin: 0 0 16px; color: var(--green); font-size: 12px; font-weight: 700; letter-spacing: .11em; text-transform: uppercase; }
.eyebrow-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--orange); }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { font-family: Manrope, 'DM Sans', Arial, sans-serif; }
h1 { max-width: 700px; margin-bottom: 22px; color: var(--green-dark); font-size: clamp(44px, 5.3vw, 70px); font-weight: 700; letter-spacing: -.06em; line-height: 1.04; }
h1 em { color: var(--green); font-style: normal; }
.hero-intro { max-width: 590px; margin-bottom: 28px; color: #5f6c67; font-size: 18px; line-height: 1.6; }
.primary-button { display: inline-flex; align-items: center; gap: 24px; padding: 14px 18px; border-radius: 6px; color: white; background: var(--green); font-size: 14px; font-weight: 700; text-decoration: none; box-shadow: 0 8px 18px rgba(49,95,75,.18); transition: transform .2s, background .2s; }
.primary-button:hover { transform: translateY(-2px); background: var(--green-dark); }
.primary-button span { color: #e5b17d; font-size: 18px; }
.hero-art { position: relative; min-height: 360px; overflow: hidden; border: 1px solid #dfe3da; border-radius: 48% 52% 45% 55% / 48% 46% 54% 52%; background: radial-gradient(ellipse at 47% 51%, #e3ece3 0 23%, transparent 23.5%), radial-gradient(ellipse at 58% 60%, #eee8d9 0 42%, #f0eddf 42.5% 100%); }
.hero-river { position: absolute; top: 4%; left: 42%; width: 19%; height: 94%; transform: rotate(14deg); border-radius: 50%; background: #8ab7c0; opacity: .83; }
.hero-river::before { position: absolute; top: 4%; left: -21%; width: 28%; height: 92%; border-radius: 50%; background: #9cc4ca; content: ''; }
.hero-line { position: absolute; z-index: 2; display: flex; align-items: center; justify-content: space-between; height: 5px; border-radius: 8px; }
.hero-line i { width: 15px; height: 15px; border: 4px solid #f0eddf; border-radius: 50%; background: currentColor; }
.hero-line-red { top: 45%; left: 10%; width: 80%; transform: rotate(8deg); color: var(--red); background: var(--red); }
.hero-line-green { top: 34%; left: 20%; width: 63%; transform: rotate(-29deg); color: var(--line-green); background: var(--line-green); }
.hero-city-label { position: absolute; z-index: 3; color: #41665d; font-size: 10px; font-weight: 700; letter-spacing: .12em; }
.label-right { top: 23%; right: 12%; }
.label-left { bottom: 21%; left: 12%; }
.hero-caption { position: absolute; z-index: 3; right: 8%; bottom: 13%; padding: 9px 12px; border-radius: 4px; color: var(--green-dark); background: rgba(255,254,250,.78); font-size: 11px; font-weight: 700; white-space: nowrap; }
.hero-stats { display: grid; grid-column: 1 / -1; grid-template-columns: repeat(3, 1fr); margin-top: -5px; padding-top: 24px; border-top: 1px solid var(--rule); }
.hero-stats div { display: flex; align-items: baseline; gap: 12px; padding: 0 24px; border-right: 1px solid var(--rule); }
.hero-stats div:first-child { padding-left: 0; }
.hero-stats div:last-child { border: 0; }
.hero-stats strong { color: var(--green); font-family: Manrope, sans-serif; font-size: 27px; letter-spacing: -.04em; white-space: nowrap; }
.hero-stats span { color: var(--muted); font-size: 13px; }

.map-section { padding-top: 78px; padding-bottom: 92px; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 26px; margin-bottom: 28px; }
.section-heading .eyebrow { margin-bottom: 12px; }
h2 { margin-bottom: 10px; color: var(--green-dark); font-size: clamp(32px, 3.5vw, 46px); font-weight: 700; letter-spacing: -.055em; line-height: 1.12; }
.section-lead { max-width: 660px; margin-bottom: 0; color: var(--muted); font-size: 16px; line-height: 1.55; }
.map-note { max-width: 320px; padding: 14px 17px; border-left: 2px solid var(--orange); color: #63716c; font-size: 13px; line-height: 1.5; }
.map-note span { display: inline-block; margin-right: 6px; color: var(--orange); font-size: 18px; vertical-align: -1px; }
.explorer-toolbar { display: flex; flex-wrap: wrap; gap: 9px; align-items: center; margin: 25px 0 13px; }
.search-control, .select-control { display: flex; height: 42px; align-items: center; border: 1px solid #d9dfd8; border-radius: 5px; background: var(--surface); }
.search-control { flex: 1 1 190px; gap: 8px; padding: 0 12px; }
.search-icon { color: var(--green); font-size: 23px; line-height: 1; }
.search-control input { width: 100%; border: 0; outline: 0; color: var(--ink); background: transparent; font-size: 13px; }
.select-control { flex: 0 1 auto; min-width: 130px; padding: 0 10px; }
.select-control select { width: 100%; height: 100%; border: 0; outline: 0; color: #4d5c57; background: transparent; font-size: 12px; cursor: pointer; }
.category-select { min-width: 190px; }
.period-select { min-width: 136px; }
.reset-button { height: 40px; padding: 0 12px; border: 0; color: var(--green); background: transparent; font-size: 12px; font-weight: 700; cursor: pointer; }
.reset-button:hover { color: var(--orange); }
.explorer-layout { display: grid; grid-template-columns: minmax(0, 1.65fr) minmax(280px, .75fr); gap: 14px; }
.map-frame { position: relative; min-height: 510px; overflow: hidden; border: 1px solid #d9dfd7; border-radius: 7px; background: #e9eee8; box-shadow: var(--shadow); }
#map { position: absolute; inset: 0; min-height: 510px; background: #e9eee8; }
.maplibregl-map { font-family: 'DM Sans', Arial, sans-serif; }
.maplibregl-ctrl-attrib { font-size: 10px !important; }
.station-map-marker { display: flex; align-items: center; gap: 5px; padding: 3px 6px 3px 3px; border: 0; border-radius: 14px; color: #315448; background: rgba(255,254,250,.94); box-shadow: 0 1px 5px rgba(32,44,43,.24); cursor: pointer; white-space: nowrap; }
.station-map-marker[hidden] { display: none; }
.station-map-marker:hover, .station-map-marker:focus-visible, .station-map-marker.is-selected { z-index: 2; outline: 2px solid var(--station-color); outline-offset: 1px; }
.station-map-pin { display: block; flex: 0 0 12px; width: 12px; height: 12px; border: 2px solid #fffdf8; border-radius: 50%; background: var(--station-color); box-shadow: 0 0 0 1px var(--station-color); }
.station-map-label { font-size: 10px; font-weight: 700; line-height: 1.2; }
.map-legend { position: absolute; z-index: 500; bottom: 14px; left: 14px; display: flex; flex-wrap: wrap; gap: 12px; max-width: calc(100% - 30px); padding: 9px 11px; border: 1px solid rgba(49,95,75,.12); border-radius: 4px; background: rgba(255,254,250,.94); box-shadow: 0 3px 12px rgba(32,44,43,.09); }
.map-legend span { display: inline-flex; align-items: center; gap: 7px; color: #46534f; font-size: 11px; }
.legend-line { display: inline-block; width: 20px; height: 4px; border-radius: 4px; }
.legend-line.lenin { background: var(--red); }
.legend-line.dzerzh { background: var(--line-green); }
.legend-dot { display: inline-block; width: 10px; height: 10px; border: 2px solid var(--green-dark); border-radius: 50%; background: white; }
.map-fallback { position: absolute; z-index: 700; top: 14px; left: 14px; max-width: 320px; padding: 10px 12px; border-radius: 4px; color: #5e5140; background: #fff5df; font-size: 12px; line-height: 1.4; }
.station-panel { display: flex; min-height: 510px; flex-direction: column; padding: 24px 24px 20px; border: 1px solid #d9dfd7; border-radius: 7px; background: var(--surface); }
.panel-topline { display: flex; align-items: center; gap: 8px; margin-bottom: 14px; color: #66726d; font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; }
.line-indicator { width: 9px; height: 9px; border-radius: 50%; background: #a8b4ae; }
.station-panel h3 { margin-bottom: 9px; color: var(--green-dark); font-size: 26px; letter-spacing: -.045em; line-height: 1.15; }
.station-summary { min-height: 58px; margin-bottom: 16px; color: #64716c; font-size: 13px; line-height: 1.55; }
.detail-list { border-top: 1px solid var(--rule); }
.detail-row { display: grid; grid-template-columns: 105px 1fr; gap: 12px; padding: 10px 0; border-bottom: 1px solid #e8ebe6; }
.detail-row span { color: #79837e; font-size: 11px; }
.detail-row strong { color: #33433c; font-size: 12px; font-weight: 600; line-height: 1.4; }
.locality-block { margin-top: auto; padding: 15px 0 12px; }
.locality-label { display: flex; align-items: center; justify-content: space-between; gap: 10px; color: #77817b; font-size: 11px; }
.locality-label strong { padding: 5px 8px; border-radius: 3px; color: var(--green); background: var(--green-pale); font-size: 11px; }
.locality-block p { margin: 9px 0 0; color: #68756f; font-size: 12px; line-height: 1.45; }
.focus-button { display: flex; width: 100%; min-height: 42px; align-items: center; justify-content: space-between; padding: 0 13px; border: 1px solid #bfd1c4; border-radius: 4px; color: var(--green-dark); background: #f5f8f4; font-size: 12px; font-weight: 700; cursor: pointer; }
.focus-button:hover:not(:disabled) { border-color: var(--green); background: var(--green-pale); }
.focus-button:disabled { opacity: .55; cursor: default; }
.station-list-heading { display: flex; align-items: baseline; justify-content: space-between; margin: 26px 0 11px; }
.station-list-heading h3 { margin: 0; color: var(--green-dark); font-size: 17px; }
.result-count { color: var(--muted); font-size: 12px; }
.station-list { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 7px; }
.station-card { display: flex; min-height: 53px; align-items: center; gap: 9px; padding: 9px 10px; border: 1px solid #dfe4dd; border-radius: 4px; color: #47534e; background: rgba(255,254,250,.68); text-align: left; cursor: pointer; transition: border .16s, background .16s, transform .16s; }
.station-card:hover { transform: translateY(-1px); border-color: #aabdaf; background: white; }
.station-card.active { border-color: var(--green); color: var(--green-dark); background: var(--green-pale); }
.station-card[hidden] { display: none; }
.station-card-dot { flex: 0 0 9px; width: 9px; height: 9px; border-radius: 50%; }
.station-card span:last-child { overflow: hidden; font-size: 12px; font-weight: 600; text-overflow: ellipsis; white-space: nowrap; }
.map-source-note { margin: 14px 0 0; color: #818b85; font-size: 11px; }

.results-section { padding: 80px 0 92px; background: #e9efe9; }
.results-section .section-heading { align-items: center; margin-bottom: 26px; }
.results-total { display: flex; align-items: center; gap: 12px; color: var(--muted); font-size: 12px; line-height: 1.35; }
.results-total strong { color: var(--green); font-family: Manrope, sans-serif; font-size: 38px; letter-spacing: -.05em; }
.charts-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 14px; }
.chart-block { min-height: 300px; padding: 23px 24px 20px; border: 1px solid #d5ded6; border-radius: 6px; background: rgba(255,254,250,.8); }
.chart-block-wide { grid-column: 1 / -1; min-height: 238px; }
.chart-heading { display: flex; align-items: center; gap: 12px; margin-bottom: 24px; }
.chart-index { display: grid; flex: 0 0 31px; width: 31px; height: 31px; place-items: center; border-radius: 50%; color: white; background: var(--green); font-size: 11px; font-weight: 700; }
.chart-index.warm { background: var(--orange); }
.chart-heading h3 { margin: 0 0 3px; color: var(--green-dark); font-size: 17px; letter-spacing: -.02em; }
.chart-heading p { margin: 0; color: var(--muted); font-size: 11px; }
.bar-chart { display: grid; gap: 13px; }
.bar-row { display: grid; grid-template-columns: minmax(130px, 1.1fr) minmax(80px, 1.4fr) 74px; align-items: center; gap: 11px; }
.bar-label { color: #52605a; font-size: 11px; line-height: 1.3; }
.bar-track { height: 9px; overflow: hidden; border-radius: 10px; background: #e6eae4; }
.bar-fill { display: block; height: 100%; min-width: 2px; border-radius: inherit; background: var(--green); transition: width .35s ease; }
.bar-fill.warm { background: var(--orange); }
.bar-value { color: #53635b; font-size: 11px; font-weight: 700; text-align: right; white-space: nowrap; }
.chart-empty { padding: 18px 0; color: var(--muted); font-size: 13px; }
.locality-chart { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.locality-stat { display: grid; grid-template-columns: auto 1fr; align-items: center; column-gap: 12px; }
.locality-stat strong { grid-row: span 2; color: var(--green); font-family: Manrope,sans-serif; font-size: 34px; letter-spacing: -.05em; }
.locality-stat:nth-child(2) strong { color: var(--orange); }
.locality-stat span { color: #4c5954; font-size: 12px; font-weight: 700; }
.locality-stat small { color: var(--muted); font-size: 11px; }
.chart-footnote { margin: 19px 0 0; color: #79847e; font-size: 11px; }

.method-section { padding-top: 88px; padding-bottom: 92px; }
.method-section .section-heading { margin-bottom: 37px; }
.method-steps { display: grid; grid-template-columns: repeat(3,1fr); border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); }
.method-steps article { position: relative; min-height: 206px; padding: 27px 34px 27px 0; }
.method-steps article + article { padding-left: 32px; border-left: 1px solid var(--rule); }
.step-number { display: grid; width: 30px; height: 30px; place-items: center; margin-bottom: 20px; border-radius: 50%; color: white; background: var(--green); font-size: 12px; font-weight: 700; }
.step-number.warm { background: var(--orange); }
.method-steps h3 { margin-bottom: 8px; color: var(--green-dark); font-size: 19px; }
.method-steps p { max-width: 310px; margin: 0; color: var(--muted); font-size: 14px; line-height: 1.55; }

.history-section { padding: 76px 0 73px; color: white; background: var(--green-dark); }
.history-section .eyebrow { color: #a7c7b2; }
.history-section h2 { color: white; }
.timeline { position: relative; display: grid; grid-template-columns: repeat(3,1fr); gap: 28px; margin-top: 44px; }
.timeline::before { position: absolute; top: 7px; right: 0; left: 0; height: 1px; background: rgba(255,255,255,.26); content: ''; }
.timeline-item { position: relative; padding-top: 31px; }
.timeline-dot { position: absolute; top: 0; left: 0; width: 15px; height: 15px; border: 4px solid var(--green-dark); border-radius: 50%; background: #d66d55; box-shadow: 0 0 0 1px rgba(255,255,255,.42); }
.timeline-dot.green { background: #6cad76; }
.timeline-dot.orange { background: #e2a35e; }
.timeline-years { margin-bottom: 12px; color: #a9cabc; font-size: 13px; font-weight: 700; letter-spacing: .04em; }
.timeline-item h3 { margin-bottom: 7px; color: white; font-size: 20px; }
.timeline-item p:last-child { max-width: 330px; margin: 0; color: #d0dbd4; font-size: 14px; line-height: 1.5; }
.timeline-caption { margin: 35px 0 0; color: #a9c0b5; font-size: 12px; }

.conclusion-section { display: grid; grid-template-columns: minmax(0,1.5fr) repeat(2,minmax(160px,.65fr)); gap: 28px; align-items: center; padding-top: 82px; padding-bottom: 80px; }
.conclusion-copy h2 { max-width: 540px; }
.conclusion-copy > p:last-child { max-width: 590px; margin-bottom: 0; color: var(--muted); font-size: 16px; line-height: 1.55; }
.conclusion-metric { display: flex; min-height: 142px; flex-direction: column; justify-content: center; padding-left: 23px; border-left: 1px solid var(--rule); }
.conclusion-metric strong { color: var(--green); font-family: Manrope,sans-serif; font-size: 36px; letter-spacing: -.06em; }
.conclusion-metric span { max-width: 160px; margin-top: 8px; color: var(--muted); font-size: 12px; line-height: 1.45; }
.conclusion-application { grid-column: 1 / -1; margin: 0; padding: 18px 20px; border-left: 3px solid var(--orange); color: var(--green-dark); background: var(--green-pale); font-size: 14px; font-weight: 600; }

.sources-section { padding: 57px 0 50px; background: #e9e7de; }
.sources-inner { display: grid; grid-template-columns: .8fr 1.2fr; gap: 22px 54px; }
.sources-section h2 { margin: 0; font-size: 31px; }
.source-links { display: grid; grid-template-columns: repeat(2,1fr); gap: 9px 25px; }
.source-links a { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; padding: 10px 0; border-bottom: 1px solid #d1d3ca; color: #3e5146; font-size: 12px; font-weight: 600; text-decoration: none; }
.source-links a:hover { color: var(--orange); }
.source-links a span { color: #8a938b; font-size: 10px; font-weight: 500; }
.source-note { grid-column: 2; margin: 0; color: #7a837b; font-size: 11px; }
.site-footer { display: flex; justify-content: space-between; padding-top: 23px; padding-bottom: 27px; color: #7b847e; font-size: 11px; }
.site-footer a { color: var(--green); font-weight: 700; text-decoration: none; }

.metro-marker { display: grid; width: 24px; height: 24px; place-items: center; border: 2px solid white; border-radius: 50%; box-shadow: 0 1px 7px rgba(22,35,28,.38); transition: transform .15s ease; }
.metro-marker span { width: 9px; height: 9px; border: 1px solid rgba(255,255,255,.8); border-radius: 50%; background: white; }
.metro-marker.selected { z-index: 1000 !important; transform: scale(1.38); box-shadow: 0 0 0 4px rgba(255,255,255,.82), 0 2px 9px rgba(22,35,28,.4); }

@media (max-width: 1050px) {
  .main-nav { gap: 18px; }
  .explorer-toolbar { align-items: stretch; }
  .search-control { flex-basis: 220px; }
  .select-control { flex: 1 1 150px; }
  .category-select { flex-basis: 210px; }
  .station-list { grid-template-columns: repeat(3,minmax(0,1fr)); }
  .conclusion-section { grid-template-columns: minmax(0,1fr) repeat(2,minmax(130px,.55fr)); }
}
@media (max-width: 760px) {
  html { scroll-padding-top: 68px; }
  .section-shell { width: min(100% - 36px, 560px); }
  .site-header { min-height: 64px; padding: 0 18px; }
  .main-nav { display: none; }
  .header-cta { font-size: 12px; }
  .hero { grid-template-columns: 1fr; gap: 5px; padding-top: 38px; padding-bottom: 42px; }
  .hero-copy { padding: 12px 0 0; }
  h1 { font-size: clamp(43px, 12vw, 62px); }
  .hero-intro { font-size: 16px; }
  .hero-art { min-height: 275px; margin: 8px 2px 2px; }
  .hero-stats { gap: 10px; margin-top: 14px; padding-top: 17px; }
  .hero-stats div { display: block; padding: 0 8px; }
  .hero-stats strong { display: block; margin-bottom: 5px; font-size: 21px; }
  .hero-stats span { font-size: 10px; line-height: 1.3; }
  .map-section, .method-section { padding-top: 60px; padding-bottom: 65px; }
  .section-heading { align-items: flex-start; flex-direction: column; gap: 16px; }
  h2 { font-size: 34px; }
  .map-note { max-width: none; }
  .explorer-toolbar { display: grid; grid-template-columns: 1fr 1fr; }
  .search-control { grid-column: 1 / -1; }
  .select-control, .category-select, .period-select { min-width: 0; width: 100%; }
  .reset-button { grid-column: 1 / -1; justify-self: start; padding-left: 2px; }
  .explorer-layout { grid-template-columns: 1fr; }
  .map-frame, #map { min-height: 400px; }
  .station-panel { min-height: 0; }
  .station-summary { min-height: 0; }
  .station-list { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .results-section { padding: 61px 0 68px; }
  .results-section .section-heading { align-items: flex-start; flex-direction: row; }
  .results-total { flex: 0 0 auto; }
  .results-total strong { font-size: 30px; }
  .charts-grid { grid-template-columns: 1fr; }
  .chart-block-wide { grid-column: auto; }
  .chart-block { min-height: 0; padding: 19px 16px; }
  .bar-row { grid-template-columns: minmax(105px,1fr) minmax(60px,1.1fr) 66px; gap: 7px; }
  .bar-label, .bar-value { font-size: 10px; }
  .locality-chart { gap: 8px; }
  .locality-stat { grid-template-columns: 1fr; gap: 3px; }
  .locality-stat strong { grid-row: auto; font-size: 28px; }
  .locality-stat span, .locality-stat small { font-size: 10px; }
  .method-steps { grid-template-columns: 1fr; }
  .method-steps article { min-height: 0; padding: 22px 0; }
  .method-steps article + article { padding-left: 0; border-top: 1px solid var(--rule); border-left: 0; }
  .step-number { margin-bottom: 12px; }
  .history-section { padding: 60px 0; }
  .timeline { grid-template-columns: 1fr; gap: 0; margin-top: 28px; }
  .timeline::before { top: 7px; bottom: 5px; left: 7px; width: 1px; height: auto; }
  .timeline-item { min-height: 142px; padding: 0 0 22px 35px; }
  .timeline-dot { left: 0; }
  .timeline-item h3 { font-size: 18px; }
  .timeline-caption { margin-top: 10px; line-height: 1.5; }
  .conclusion-section { grid-template-columns: repeat(2,1fr); gap: 18px; padding-top: 61px; padding-bottom: 61px; }
  .conclusion-copy { grid-column: 1 / -1; }
  .conclusion-metric { min-height: 120px; padding-left: 12px; }
  .conclusion-metric strong { font-size: 31px; }
  .conclusion-metric span { font-size: 11px; }
  .conclusion-application { grid-column: 1 / -1; font-size: 13px; line-height: 1.5; }
  .sources-section { padding: 46px 0 39px; }
  .sources-inner { grid-template-columns: 1fr; gap: 20px; }
  .sources-section h2 { font-size: 30px; }
  .source-links { grid-template-columns: 1fr; gap: 0; }
  .source-note { grid-column: auto; line-height: 1.5; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; }
}