:root {
  --bg: #f1f1f8;
  --paper: #ffffff;
  --ink: #343640;
  --muted: #5f616b;
  --line: #b8bac4;
  --accent: #31567a;
  --panel: #dddde9;
  --bar: #001a32;
  --bar-ink: #ffffff;
  --serif: "Avenir Next", Avenir, "Helvetica Neue", sans-serif;
  --sans: "Gill Sans", "Avenir Next", "Helvetica Neue", sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
}

a { color: inherit; text-underline-offset: 3px; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 5;
  background: var(--bar);
  color: var(--bar-ink);
  border-bottom: 1px solid rgba(255, 255, 255, .14);
}

.topbar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  width: min(1160px, calc(100% - 2rem));
  min-height: 68px;
  margin: 0 auto;
  padding: 5px 0;
}

.brand {
  display: block;
  width: min(256px, 42vw);
  text-decoration: none;
}

.brand img {
  display: block;
  width: 100%;
  height: auto;
}

.nav {
  display: flex;
  gap: .45rem;
  flex-wrap: wrap;
}

.nav a {
  min-width: 7.2rem;
  padding: .55rem .85rem;
  border: 1px solid rgba(255, 255, 255, .42);
  background: #354b68;
  text-decoration: none;
  text-align: center;
  font-size: .82rem;
  font-weight: 650;
  letter-spacing: .02em;
}

.nav a:hover,
.nav a:focus-visible {
  background: #213c5e;
}

.nav a.active {
  color: #001a32;
  background: #fff;
}

.page {
  width: min(1160px, calc(100% - 2rem));
  margin: 0 auto;
  padding: clamp(2rem, 5vw, 4.5rem) 0;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 2rem;
  align-items: end;
  padding-bottom: 1.4rem;
  border-bottom: 1px solid var(--line);
}

.eyebrow {
  margin: 0 0 .45rem;
  color: var(--accent);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(2.3rem, 6vw, 5rem);
  font-weight: 650;
  line-height: 1.08;
}

.dek {
  max-width: 56rem;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.55;
}

.stats {
  min-width: 11rem;
  padding: 1rem;
  background: rgba(255, 255, 255, .72);
  border: 1px solid var(--line);
}

.stats span {
  display: block;
  color: var(--muted);
  font-size: .72rem;
  text-transform: uppercase;
  letter-spacing: .12em;
}

.stats strong {
  display: block;
  margin-top: .25rem;
  font-family: var(--serif);
  font-size: 1.55rem;
  font-weight: 400;
}

.years {
  display: flex;
  gap: .4rem;
  flex-wrap: wrap;
  margin: 1.3rem 0 2rem;
}

.years a {
  padding: .35rem .55rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  text-decoration: none;
  color: var(--muted);
  background: rgba(255, 255, 255, .58);
  font-size: .82rem;
}

.year {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin: 2.2rem 0 .8rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--line);
}

.year h2 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 400;
  font-size: 2rem;
}

.paper-list {
  display: grid;
  gap: .75rem;
}

.paper-row {
  display: grid;
  grid-template-columns: 9rem minmax(0, 1fr) auto;
  gap: 1rem;
  padding: .85rem;
  background: rgba(255, 255, 255, .84);
  border: 1px solid var(--line);
}

.paper-row.no-thumb {
  grid-template-columns: minmax(0, 1fr) auto;
}

.thumb {
  display: block;
  aspect-ratio: 4 / 3;
  background: var(--panel);
  overflow: hidden;
  border: 1px solid var(--line);
}

.thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.paper-title {
  margin: 0 0 .32rem;
  font-family: var(--serif);
  font-size: 1.18rem;
  font-weight: 400;
  line-height: 1.25;
}

.meta {
  margin: 0 0 .35rem;
  color: var(--muted);
  font-size: .88rem;
  line-height: 1.35;
}

.abstract {
  margin: 0;
  color: #4b4d57;
  font-size: .94rem;
  line-height: 1.48;
}

.abstract h2,
.content-markup h2:not(:first-child) {
  margin: 1.8rem 0 .7rem;
  color: var(--ink);
  font-family: var(--serif);
  font-size: 1.5rem;
  font-weight: 500;
  letter-spacing: 0;
  text-transform: none;
}

.research-impact {
  margin-top: 1.4rem;
  padding: 1rem;
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent);
  background: rgba(221, 221, 233, .55);
}

.research-impact + .research-impact {
  margin-top: .75rem;
}

.impact-label {
  margin: 0 0 .45rem;
  color: var(--accent);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.impact-heading {
  margin: 0;
  font-family: var(--serif);
  font-size: 1.35rem;
  font-weight: 500;
}

.impact-statement,
.impact-body {
  margin: .7rem 0 0;
  color: #4b4d57;
  font-size: .92rem;
  line-height: 1.5;
}

.research-impact .resource-link {
  margin-top: .8rem;
}

.links {
  display: grid;
  align-content: start;
  gap: .45rem;
  min-width: 8.2rem;
}

.button,
.resource-link {
  display: inline-block;
  padding: .5rem .65rem;
  border: 1px solid var(--accent);
  color: var(--accent);
  text-decoration: none;
  text-align: center;
  font-size: .8rem;
  font-weight: 700;
  overflow-wrap: anywhere;
}

.paper-page {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 18rem;
  gap: 2rem;
}

.panel {
  padding: 1.25rem;
  background: rgba(255, 255, 255, .86);
  border: 1px solid var(--line);
}

.authors a,
.authors span {
  display: inline-block;
  margin: 0 .35rem .35rem 0;
  padding: .32rem .48rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  text-decoration: none;
  color: var(--muted);
  font-size: .86rem;
}

.side-thumb {
  aspect-ratio: 3 / 4;
  background: var(--panel);
  border: 1px solid var(--line);
  overflow: hidden;
}

.side-thumb img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.section {
  margin-top: 1.4rem;
}

.section h2 {
  margin: 0 0 .65rem;
  color: var(--accent);
  font-size: .85rem;
  text-transform: uppercase;
  letter-spacing: .12em;
}

.redirect-note {
  max-width: 42rem;
}

.resource-index {
  display: grid;
  gap: .75rem;
}

.resource-card {
  display: grid;
  grid-template-columns: 9rem minmax(0, 1fr);
  gap: 1rem;
  padding: .85rem;
  background: rgba(255, 255, 255, .84);
  border: 1px solid var(--line);
}

.resource-page {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 18rem;
  gap: 2rem;
  margin-top: 1.4rem;
}

.content-markup {
  color: #4b4d57;
  font-size: .96rem;
  line-height: 1.55;
}

.content-markup a {
  color: var(--accent);
}

.download-list {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
  margin-top: .65rem;
}

.resource-links {
  display: flex;
  flex-wrap: wrap;
  gap: .55rem;
}

@media (max-width: 760px) {
  .hero,
  .paper-row,
  .paper-page,
  .resource-card,
  .resource-page {
    grid-template-columns: 1fr;
  }

  .topbar-inner {
    align-items: flex-start;
    flex-direction: column;
    padding: 8px 0 10px;
  }

  .nav {
    width: 100%;
  }

  .nav a {
    flex: 1 1 0;
    min-width: 0;
  }

  .links {
    display: flex;
    flex-wrap: wrap;
  }
}