:root { color-scheme: light; --ink: #252a30; --muted: #616b73; --accent: #326c7d; --line: #e3e7e9; }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: #fff; color: var(--ink); font-family: "Libertinus Sans", Georgia, serif; font-size: 19px; line-height: 1.75; }
a { color: var(--accent); text-underline-offset: 4px; }
a:hover { color: #183e4b; }
a:focus-visible, summary:focus-visible { outline: 3px solid #438598; outline-offset: 5px; border-radius: 2px; }
.skip-link { position: absolute; top: -100px; left: 20px; background: white; padding: 12px; }
.skip-link:focus { top: 12px; }
.article-nav { max-width: 1160px; margin: auto; padding: 28px 32px; display: flex; justify-content: space-between; align-items: center; gap: 24px; font-size: 17px; border-bottom: 1px solid var(--line); }
.article-nav a { color: var(--ink); text-decoration: none; }
.article-nav .author-home { font-weight: 700; }
main { max-width: 1120px; margin: auto; padding: 0 32px; }
.article-header { padding: 64px 0 22px; max-width: 850px; margin: auto; text-align: center; }
.eyebrow { font: 600 13px/1.5 system-ui, sans-serif; text-transform: uppercase; letter-spacing: .14em; color: var(--accent); margin: 0 0 20px; }
h1 { font-family: Georgia, "Times New Roman", serif; font-weight: 400; font-size: clamp(2.35rem, 5.2vw, 4.3rem); letter-spacing: -.045em; line-height: 1.1; margin: 0 0 24px; text-wrap: balance; }
.dek { max-width: 620px; margin: 0 auto 22px; color: var(--muted); font-size: 21px; line-height: 1.55; }
.byline { display: flex; justify-content: center; flex-wrap: wrap; gap: 8px 18px; font: 14px/1.6 system-ui, sans-serif; color: var(--muted); }
.hero-art { max-width: 570px; margin: 0 auto 36px; }
.hero-art img { display: block; width: 100%; height: auto; }
figcaption { text-align: center; font: 14px/1.6 system-ui, sans-serif; color: var(--muted); margin-top: 6px; }
.reading-column { max-width: 690px; margin: auto; }
.article-body p { margin: 0 0 24px; }
.article-body h2 { font-family: Georgia, "Times New Roman", serif; font-weight: 400; font-size: 30px; letter-spacing: -.025em; line-height: 1.25; margin: 48px 0 20px; }
.article-body strong { font-weight: 700; }
.article-body h3 { font-size: 21px; line-height: 1.4; margin: 30px 0 14px; }
.project-links { display: flex; flex-wrap: wrap; gap: 12px 24px; padding: 16px 0 24px; border-bottom: 1px solid var(--line); font-size: 16px; }
.reward-formula { padding: 18px 22px; background: #f4f8fa; border-left: 3px solid var(--accent); }
.reward-formula code { font-size: .85em; overflow-wrap: anywhere; }
.reward-formula span { display: block; font-size: 15px; color: var(--muted); margin-top: 8px; }
.pipeline-figure, .arena-figure, .results-figure { margin: 36px -80px; }
.pipeline-figure img, .arena-figure img, .results-figure img { display: block; width: 100%; height: auto; }
.pipeline-figure figcaption, .arena-figure figcaption, .results-figure figcaption { margin-top: 12px; }
.arena-figure > a { display: block; border-radius: 8px; }
.arena-figure img { border-radius: 8px; }
@media (max-width: 900px) { .pipeline-figure, .arena-figure, .results-figure { margin: 32px 0; } }
.figure-note { border: 1px dashed #b7c6cc; padding: 20px 24px; margin: 28px 0; border-radius: 8px; background: #f8fbfc; font: 15px/1.65 system-ui, sans-serif; color: #485c65; }
.figure-note span { display: block; text-transform: uppercase; letter-spacing: .08em; font-size: 12px; font-weight: 700; margin-bottom: 6px; }
.article-footer { border-top: 1px solid var(--line); padding: 28px 0 60px; font: 14px/1.7 system-ui, sans-serif; color: var(--muted); }
.article-footer nav { display: flex; flex-wrap: wrap; gap: 12px 24px; margin-bottom: 24px; }
@media (max-width: 600px) {
  body { font-size: 18px; }
  main { padding: 0 22px; }
  .article-nav { padding: 20px 22px; font-size: 15px; }
  .article-header { padding-top: 44px; }
  .dek { font-size: 19px; }
  .hero-art { margin-bottom: 28px; }
  .article-body h2 { font-size: 27px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }