:root {
  --paper: #faf9f6;
  --ink: #191919;
  --muted: #68655f;
  --line: #dcd8d0;
  --soft: #efede7;
  --accent: #b43c2d;
  --font: 'DM Sans', 'Helvetica Neue', Arial, sans-serif;
  --mono: 'DM Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  color-scheme: light;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 16px/1.7 var(--font); -webkit-font-smoothing: antialiased; }
h1, h2, h3, p { margin: 0; }
a { color: inherit; text-underline-offset: 4px; }
a:hover { color: var(--accent); }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 5px; }
::selection { background: var(--accent); color: white; }
code { font-family: var(--mono); font-size: .86em; overflow-wrap: anywhere; }
.paper-header, .paper, .paper-footer { width: min(1080px, calc(100% - 80px)); margin-inline: auto; }
.skip-link { position: absolute; top: -80px; left: 20px; background: var(--ink); color: white; padding: 10px 16px; z-index: 10; }
.skip-link:focus { top: 10px; }
.paper-header { display: flex; justify-content: space-between; align-items: center; gap: 24px; padding-block: 25px; border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; }
.brand svg { width: 29px; height: 29px; flex: none; }
.brand > span { font-size: 29px; font-weight: 600; line-height: 1; letter-spacing: -1.2px; }
.brand small { margin-left: 6px; font-size: 10px; font-weight: 400; letter-spacing: 0; color: var(--muted); }
.back-link { display: inline-flex; align-items: center; gap: 13px; font-size: 12px; text-decoration: none; }
.back-link span { font-size: 18px; }
.title-block { padding-block: 72px 42px; border-bottom: 1px solid var(--line); }
.edition, .label { font: 10px/1.6 var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.edition { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; }
.edition span:last-child { margin-left: auto; color: var(--muted); }
.square { width: 6px; height: 6px; background: var(--accent); }
h1 { margin-top: 31px; max-width: 920px; font-size: clamp(42px, 6.1vw, 74px); font-weight: 500; line-height: 1.06; letter-spacing: -.055em; text-wrap: balance; }
.period { color: var(--accent); }
.byline { display: flex; align-items: center; flex-wrap: wrap; gap: 8px 24px; margin-top: 27px; font-size: 11px; color: var(--muted); }
.byline span:first-child { color: var(--ink); font-weight: 600; }
.abstract { max-width: 780px; margin-top: 30px; font-size: 22px; line-height: 1.5; letter-spacing: -.02em; }
.paper-layout { display: grid; grid-template-columns: 240px minmax(0, 1fr); gap: 65px; padding-block: 45px 60px; }
.margin-note { align-self: start; border-top: 2px solid var(--accent); padding-top: 18px; }
.margin-note .label { color: var(--muted); }
.margin-note strong { display: block; font-size: 76px; font-weight: 500; letter-spacing: -.07em; line-height: 1.1; margin-top: 17px; color: var(--accent); }
.margin-note strong span { font-size: 38px; margin-left: 3px; }
.margin-note p { font-size: 12px; color: var(--muted); margin-top: 13px; max-width: 220px; }
.margin-note .qualification { padding-top: 14px; border-top: 1px solid var(--line); }
.paper-body { max-width: 700px; }
.paper-body section + section { margin-top: 33px; }
.paper-body h2 { font-size: 18px; font-weight: 600; line-height: 1.3; letter-spacing: -.02em; margin-bottom: 13px; }
.paper-body p { font-size: 15px; line-height: 1.85; color: #45433f; }
.paper-body p + p { margin-top: 14px; }
.paper-body strong { color: var(--ink); font-weight: 600; }
.paper-body .timeline-caption { color: var(--muted); font-size: 11px; margin-top: -6px; }
.timeline { list-style: none; margin: 17px 0 0; padding: 0; }
.timeline li { display: grid; grid-template-columns: 118px minmax(0, 1fr); gap: 24px; padding: 18px 0; border-top: 1px solid var(--line); }
.timeline li:last-child { border-bottom: 1px solid var(--line); }
.timeline time { font: 11px/1.7 var(--mono); color: var(--muted); }
.timeline time span { display: block; }
.timeline h3 { font-size: 13px; font-weight: 600; line-height: 1.5; }
.timeline p { font-size: 12px; line-height: 1.65; color: var(--muted); margin-top: 3px; }
.scope { padding: 22px 24px; background: var(--soft); border-left: 2px solid var(--accent); }
.scope h2 { font-size: 15px; }
.scope p { font-size: 13px; line-height: 1.75; }
.sources ol { margin: 0; padding-left: 20px; color: var(--muted); font-size: 12px; }
.sources li + li { margin-top: 11px; }
.sources a { color: var(--ink); }
.sources a:hover { color: var(--accent); }
.sources li > span { display: block; margin-top: 2px; font-size: 10px; }
.report-request { padding: 30px 32px; background: var(--ink); color: var(--paper); display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 28px; }
.report-request .label { color: #d69a8e; }
.report-request h2 { margin-top: 10px; font-size: 27px; font-weight: 500; letter-spacing: -.035em; line-height: 1.2; }
.report-request p { margin-top: 10px; font-size: 12px; color: #c4c0b8; max-width: 360px; }
.button { display: inline-flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 49px; padding: 13px 18px; background: var(--paper); color: var(--ink); font-size: 12px; font-weight: 600; text-decoration: none; }
.button span { font-size: 18px; line-height: 1; }
.button:hover { background: #dfbdaf; color: var(--ink); }
.report-action p { max-width: 290px; font-size: 10px; }
.report-action p a { color: inherit; }
.paper-footer { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 15px; padding-block: 26px 30px; margin-top: 45px; border-top: 1px solid var(--line); font-size: 10px; color: var(--muted); }
@media (max-width: 800px) {
  .paper-header, .paper, .paper-footer { width: calc(100% - 48px); }
  .title-block { padding-top: 45px; }
  .paper-layout { grid-template-columns: 175px minmax(0, 1fr); gap: 30px; }
  .margin-note strong { font-size: 62px; }
  .report-request { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 560px) {
  .paper-header, .paper, .paper-footer { width: calc(100% - 40px); }
  .paper-header { padding-block: 20px; gap: 12px; }
  .brand > span { font-size: 25px; }
  .brand svg { width: 25px; height: 25px; }
  .brand small { font-size: 8px; }
  .back-link { font-size: 10px; gap: 7px; }
  .title-block { padding-block: 36px 30px; }
  .edition { font-size: 8px; gap: 8px; }
  .edition span:last-child { margin-left: 0; padding-left: 8px; border-left: 1px solid var(--line); }
  h1 { font-size: 43px; line-height: 1.08; margin-top: 24px; }
  .byline { font-size: 10px; gap: 6px 15px; margin-top: 21px; }
  .abstract { font-size: 18px; line-height: 1.55; margin-top: 23px; }
  .paper-layout { grid-template-columns: minmax(0, 1fr); gap: 32px; padding-block: 30px 38px; }
  .margin-note { display: grid; grid-template-columns: 110px minmax(0, 1fr); column-gap: 20px; }
  .margin-note .label { grid-column: 1 / -1; }
  .margin-note strong { grid-column: 1; grid-row: 2 / span 2; font-size: 60px; margin-top: 12px; }
  .margin-note p { grid-column: 2; font-size: 11px; max-width: none; }
  .margin-note .qualification { padding-top: 10px; margin-top: 10px; }
  .paper-body p { font-size: 14px; }
  .paper-body h2 { font-size: 17px; }
  .timeline li { grid-template-columns: 101px minmax(0, 1fr); gap: 15px; }
  .timeline time { font-size: 10px; }
  .scope { padding: 20px; }
  .scope p { font-size: 12px; }
  .report-request { padding: 26px 22px; gap: 23px; }
  .report-request h2 { font-size: 27px; }
  .button { width: 100%; gap: 15px; }
  .paper-footer { margin-top: 30px; font-size: 9px; }
}
.brief-body { padding-block: 42px 0; }
.brief-body > section { max-width: 710px; }
.brief-body > section > .label { color: var(--accent); }
.brief-body > section > h2 { font-size: 27px; font-weight: 500; letter-spacing: -.035em; line-height: 1.25; margin-top: 12px; }
.brief-body > section > p { margin-top: 18px; color: #45433f; font-size: 16px; line-height: 1.85; }
.brief-body > section > .brief-scope { font-size: 12px; color: var(--muted); margin-top: 20px; }
.brief-body > .report-request { margin-top: 42px; }
@media (max-width: 560px) { .brief-body { padding-top: 28px; } .brief-body > section > h2 { font-size: 24px; } .brief-body > section > p { font-size: 15px; } .brief-body > .report-request { margin-top: 30px; } }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
@media print {
  @page { size: A4; margin: 18mm; }
  body { background: white; font-size: 10pt; line-height: 1.5; }
  .paper-header, .paper, .paper-footer { width: 100%; }
  .paper-header { padding-block: 0 12px; }
  .brand > span { font-size: 22px; }
  .back-link, .skip-link { display: none; }
  .title-block { padding-block: 22px 20px; }
  h1 { font-size: 35pt; margin-top: 17px; }
  .abstract { font-size: 13pt; margin-top: 17px; }
  .byline { margin-top: 15px; }
  .paper-layout { grid-template-columns: 140px minmax(0, 1fr); gap: 25px; padding-block: 24px; }
  .margin-note strong { font-size: 48pt; }
  .paper-body p { font-size: 9.5pt; line-height: 1.6; }
  .paper-body h2 { font-size: 12pt; }
  .paper-body section + section { margin-top: 20px; }
  .timeline li { padding-block: 11px; grid-template-columns: 100px minmax(0, 1fr); gap: 15px; }
  .timeline p, .scope p { font-size: 8.5pt; }
  .scope, .report-request { break-inside: avoid; background: transparent; color: var(--ink); }
  .report-request { padding: 20px 0; border-top: 1px solid var(--line); grid-template-columns: 1fr; gap: 12px; }
  .report-request .label, .report-request p { color: var(--muted); }
  .report-request h2 { font-size: 18pt; }
  .button { padding: 0; min-height: 0; font-size: 10pt; }
  .report-action p { max-width: none; }
  .paper-footer { margin-top: 20px; padding-block: 15px 0; }
  h2, h3 { break-after: avoid; }
  p { orphans: 3; widows: 3; }
}
