/* About: Folio layout with the homepage navigation and type family. */
:root {
  --folio-green: #004226;
  --folio-cream: #FBF4E2;
  --folio-text: #111111;
  --folio-muted: #536257;
  --folio-line: rgba(0, 66, 38, .20);
  --folio-font: "Neue Haas Grotesk", "Helvetica Neue", Arial, sans-serif;
  --folio-size: 18px;
  --folio-side: clamp(22px, 4vw, 72px);
  --folio-max: 1180px;
  --folio-ease: cubic-bezier(.16, 1, .3, 1);
  background: var(--folio-cream);
  color-scheme: light;
  scroll-behavior: smooth;
}
.about-folio, .about-folio * { box-sizing: border-box; }
.about-folio {
  margin: 0;
  color: var(--folio-green);
  background: var(--folio-cream);
  font-family: var(--folio-font);
  font-size: var(--folio-size);
  line-height: 1.6;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: geometricPrecision;
}
.about-folio :is(h1, h2, p, figure) { margin: 0; }
.about-folio :is(h1, h2) { font-family: inherit; }
.about-folio a { color: inherit; text-decoration: none; text-underline-offset: 5px; text-decoration-thickness: 1px; }
.about-folio a:hover { text-decoration: underline; }
.about-folio a:focus-visible { outline: 2px solid currentColor; outline-offset: 5px; }
.about-folio img { display: block; max-width: 100%; height: auto; }
.about-folio ::selection { background: var(--folio-green); color: #fff; }
.about-folio .folio-container {
  width: min(calc(100% - (var(--folio-side) * 2)), var(--folio-max));
  margin-inline: auto;
}
.about-folio .folio-skip {
  position: fixed;
  top: 12px;
  left: var(--folio-side);
  z-index: 100;
  padding: 10px 16px;
  color: var(--folio-cream);
  background: var(--folio-green);
  transform: translateY(-180%);
}
.about-folio .folio-skip:focus { transform: none; }
/* Same desktop geometry, colour transition and logo treatment as the homepage. */
.about-folio .site-nav {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  height: 76px;
  color: #fff;
  background: transparent;
  border-bottom: 1px solid rgba(255, 255, 255, .06);
  transition: background-color 520ms var(--folio-ease), color 520ms var(--folio-ease), border-color 520ms var(--folio-ease), height 520ms var(--folio-ease);
}
.about-folio .site-nav.is-scrolled {
  height: 68px;
  color: var(--folio-text);
  background: rgba(251, 244, 226, .96);
  border-bottom-color: rgba(17, 17, 17, .08);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
}
.about-folio .nav-inner { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.about-folio .nav-brand { display: inline-flex; align-items: center; opacity: .94; transition: opacity 260ms var(--folio-ease); }
.about-folio .nav-brand:hover { opacity: 1; }
.about-folio .nav-logo {
  width: 136px;
  height: auto;
  flex-shrink: 0;
  object-fit: contain;
  filter: invert(1);
  opacity: .96;
  transition: filter 520ms var(--folio-ease), opacity 260ms var(--folio-ease), width 520ms var(--folio-ease);
}
.about-folio .site-nav.is-scrolled .nav-logo { filter: none; opacity: .92; }
.about-folio .nav-links { display: flex; align-items: center; justify-content: flex-end; gap: clamp(18px, 2.2vw, 34px); }
.about-folio .nav-links a:not(.nav-contact) {
  font-size: 11px;
  line-height: 1;
  letter-spacing: .13em;
  text-transform: uppercase;
  opacity: .76;
  transition: opacity 240ms var(--folio-ease);
}
.about-folio .nav-links a:hover { opacity: 1; text-decoration: none; }
.about-folio .nav-contact {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: 0 17px;
  border: 1px solid rgba(255, 255, 255, .34);
  border-radius: 999px;
  font-size: 11px;
  line-height: 1;
  letter-spacing: .12em;
  text-transform: uppercase;
  opacity: .92;
  transition: border-color 260ms var(--folio-ease), background-color 260ms var(--folio-ease), color 260ms var(--folio-ease);
}
.about-folio .site-nav.is-scrolled .nav-contact { border-color: rgba(17, 17, 17, .18); }
.about-folio .nav-contact:hover { color: var(--folio-text); background: #fff; border-color: #fff; }
.about-folio .site-nav.is-scrolled .nav-contact:hover { color: #fff; background: var(--folio-green); border-color: var(--folio-green); }
/* The artwork fills the browser viewport and scrolls naturally with the page. */
.about-folio .folio-hero { position: relative; min-height: 100vh; min-height: 100svh; isolation: isolate; background: #183026; }
.about-folio .folio-art, .about-folio .folio-art img { display: block; position: absolute; inset: 0; width: 100%; height: 100%; }
.about-folio .folio-art img { max-width: none; object-fit: cover; object-position: 50% 52%; }
.about-folio .folio-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(0,0,0,.02) 0%, rgba(0,0,0,.08) 42%, rgba(0,0,0,.28) 100%), radial-gradient(circle at 50% 34%, rgba(255,255,255,.09), transparent 38%);
}
/* One body size throughout the introduction, links and founder details. */
.about-folio .folio-intro { display: grid; grid-template-columns: 5fr 6fr; gap: 6.5%; padding-block: 66px 42px; scroll-margin-top: 100px; }
.about-folio .folio-title { align-self: start; font-size: clamp(54px, 6.9vw, 80px); line-height: 1.03; letter-spacing: -.045em; font-weight: 400; }
.about-folio .folio-copy { max-width: 560px; min-width: 0; }
.about-folio .folio-copy p + p { margin-top: 18px; }
.about-folio .folio-copy .folio-research { margin-top: 28px; }
.about-folio .folio-links { display: flex; flex-wrap: wrap; gap: 12px 28px; margin-top: 20px; }
.about-folio .folio-links a, .about-folio .folio-person a { text-decoration: underline; text-decoration-color: var(--folio-line); }
.about-folio .folio-links a:hover, .about-folio .folio-person a:hover { text-decoration-color: currentColor; }
.about-folio .folio-end { display: grid; grid-template-columns: 5fr 6fr; gap: 6.5%; margin-top: 4px; margin-bottom: 54px; padding-top: 30px; border-top: 1px solid var(--folio-line); scroll-margin-top: 110px; }
.about-folio .folio-caption, .about-folio .folio-role { color: var(--folio-muted); }
.about-folio .folio-contact { display: inline-block; margin-top: 9px; overflow-wrap: anywhere; }
.about-folio .folio-people { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 26px; }
.about-folio .folio-person { min-width: 0; }
.about-folio .folio-person h2 { font-size: inherit; line-height: inherit; font-weight: 500; }
.about-folio .folio-role { margin-top: 4px; }
.about-folio .folio-person a { display: inline-block; margin-top: 8px; }
.about-folio .folio-footer { border-top: 1px solid var(--folio-line); color: var(--folio-muted); font-size: 12px; }
.about-folio .folio-footer-inner { display: flex; align-items: baseline; justify-content: space-between; gap: 20px; padding-block: 24px; }
.about-folio .folio-footer small { font-size: inherit; white-space: nowrap; }
.about-folio .folio-footer-links { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px 18px; }
@media (max-width: 900px) {
  .about-folio .nav-links a:not(.nav-contact) { display: none; }
  .about-folio .nav-links { gap: 12px; }
}
@media (max-width: 800px) {
  .about-folio .folio-intro, .about-folio .folio-end { grid-template-columns: 4fr 6fr; gap: 7%; }
  .about-folio .folio-footer-inner { align-items: flex-start; }
}
@media (max-width: 760px) {
  .about-folio .folio-art img { object-position: 82% 50%; }
}
@media (max-width: 640px) {
  :root { --folio-size: 16px; }
  .about-folio .site-nav { height: 66px; }
  .about-folio .site-nav.is-scrolled { height: 68px; }
  .about-folio .nav-logo { width: 108px; }
  .about-folio .nav-contact { min-height: 34px; padding: 0 14px; }
  .about-folio .folio-intro { display: block; padding-block: 38px 30px; }
  .about-folio .folio-title { font-size: 54px; margin-bottom: 29px; }
  .about-folio .folio-copy { max-width: none; }
  .about-folio .folio-copy .folio-research { margin-top: 24px; }
  .about-folio .folio-links { gap: 8px 24px; margin-top: 16px; }
  .about-folio .folio-links a, .about-folio .folio-person a { min-height: 44px; display: inline-flex; align-items: center; }
  .about-folio .folio-end { display: flex; flex-direction: column-reverse; gap: 28px; margin-top: 0; margin-bottom: 34px; padding-top: 26px; }
  .about-folio .folio-people { gap: 24px; }
  .about-folio .folio-contact { margin-top: 6px; }
  .about-folio .folio-person a { margin-top: 2px; }
  .about-folio .folio-footer-inner { display: block; padding-block: 22px; }
  .about-folio .folio-footer-links { justify-content: flex-start; gap: 6px 18px; margin-top: 14px; }
  .about-folio .folio-footer-links a { padding-block: 5px; }
}
@media (prefers-reduced-motion: reduce) {
  :root { scroll-behavior: auto; }
  .about-folio .site-nav, .about-folio .nav-logo, .about-folio .nav-contact, .about-folio .nav-brand { transition: none; }
}