@font-face {
  font-family: "Computer Modern Bright";
  src: url("assets/SFBMR10.woff") format("woff");
  font-display: swap;
}

:root {
  color-scheme: light;
  --paper: #f8f7f3;
  --ink: #203738;
  --muted: #536561;
  --accent: #1c6560;
  --line: #d7dcd5;
  --page-width: 1120px;
  --gutter: clamp(22px, 5vw, 64px);
  font-family: "Computer Modern Bright", "Segoe UI", sans-serif;
  font-synthesis: none;
}

* { box-sizing: border-box; }
html { scroll-padding-top: 110px; }
body { margin: 0; background: var(--paper); color: var(--ink); font-size: 18px; line-height: 1.6; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 5px; }
a:hover { color: var(--accent); }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 5px; }
h1, h2, h3, p { margin: 0; }
h1, h2, h3 { font-weight: 400; }
main, .site-header { width: min(var(--page-width), calc(100% - var(--gutter) * 2)); margin-inline: auto; }
.skip-link { position: fixed; top: -100px; left: 20px; z-index: 30; padding: 10px 16px; color: white; background: var(--ink); }
.skip-link:focus { top: 12px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-block: 16px;
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}
.site-header::before {
  content: "";
  position: absolute;
  inset: 0 calc(-1 * var(--gutter));
  z-index: -1;
  background: var(--paper);
}
.identity { flex-shrink: 0; text-decoration: none; }
.identity-name { display: block; font-size: 22px; line-height: 1.2; letter-spacing: -.02em; }
.identity-role { display: block; margin-top: 4px; color: var(--muted); font-size: 13px; line-height: 1.3; }
.site-header nav { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 25px; }
.site-header nav a { padding-block: 5px; font-size: 15px; text-decoration: none; }
.site-header nav a:hover { text-decoration: underline; }

.introduction { padding-block: 36px 30px; }
.overline { margin-bottom: 14px; color: var(--accent); font-size: 13px; letter-spacing: .09em; text-transform: uppercase; }
h1 { margin-bottom: 17px; font-size: clamp(38px, 5.5vw, 64px); line-height: 1.08; letter-spacing: -.04em; }
.introduction-text { max-width: 730px; margin-bottom: 13px; color: var(--muted); font-size: 19px; line-height: 1.55; text-wrap: pretty; }
.section-heading { display: grid; grid-template-columns: .82fr 1.18fr; column-gap: clamp(30px, 6vw, 90px); align-items: baseline; padding-block: 10px; border-top: 1px solid var(--ink); border-bottom: 1px solid var(--line); }
.section-heading h2 { font-size: 14px; letter-spacing: .03em; }
.section-heading > span { justify-self: start; color: var(--muted); font-size: 13px; }

.expertise-area {
  display: grid;
  grid-template-columns: .82fr 1.18fr;
  gap: clamp(30px, 6vw, 90px);
  padding-block: 23px 24px;
  border-bottom: 1px solid var(--line);
}
.expertise-area h3 { font-size: clamp(26px, 2.5vw, 32px); line-height: 1.2; letter-spacing: -.02em; text-wrap: balance; }
.area-content { min-width: 0; }
.area-content > p { max-width: 640px; color: var(--muted); font-size: 17px; line-height: 1.55; text-wrap: pretty; }
.evidence-links { display: flex; flex-wrap: wrap; column-gap: 34px; row-gap: 13px; margin: 11px 0 0; padding: 0; list-style: none; }
.evidence-links li { max-width: 100%; }
.evidence-links a { display: inline-flex; align-items: baseline; gap: 12px; color: var(--accent); font-size: 16px; line-height: 1.5; text-decoration: none; }
.evidence-links a:hover > span:first-child { text-decoration: underline; text-underline-offset: 4px; }
.evidence-links a > span[aria-hidden] { font-size: 14px; }
.link-context { display: block; margin-top: 2px; color: var(--muted); font-size: 13px; line-height: 1.45; }
.link-context a { color: inherit; font-size: inherit; text-decoration: underline; text-underline-offset: 3px; }

@media (max-width: 800px) {
  html { scroll-padding-top: 24px; }
  .site-header { position: relative; flex-direction: column; align-items: flex-start; gap: 11px; padding-block: 15px 10px; }
  .site-header nav { gap: 6px 21px; }
  .introduction { padding-block: 26px; }
  .section-heading, .expertise-area { grid-template-columns: 1fr; gap: 2px; }
  .expertise-area { padding-block: 20px 22px; }
  .expertise-area h3 br { display: none; }
  .expertise-area h3 { font-size: 28px; }
}

@media (max-width: 420px) {
  .site-header nav { gap: 4px 17px; }
  .site-header nav a { font-size: 14px; }
  .introduction-text { font-size: 17px; }
  .evidence-links { gap: 17px 28px; }
  .expertise-area h3 { font-size: 26px; }
}

@media print {
  .site-header { position: static; }
  .site-header nav, .skip-link { display: none; }
  main, .site-header { width: 100%; }
  .introduction { padding-block: 24px; }
  .expertise-area { break-inside: avoid; }
  a { text-decoration: underline; }
}