:root {
  --ink: #111827;
  --muted: #526070;
  --line: #d9e1e8;
  --wash: #f3f7fa;
  --accent: #095c81;
  --accent-dark: #063f59;
  --paper: #ffffff;
  --serif: Georgia, "Times New Roman", serif;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.72;
  text-rendering: optimizeLegibility;
}

a { color: var(--accent); text-underline-offset: 0.16em; }
a:hover { color: var(--accent-dark); }
a:focus-visible { outline: 3px solid #72c7ec; outline-offset: 3px; }

.skip-link {
  position: absolute;
  left: 1rem;
  top: -5rem;
  z-index: 10;
  padding: .65rem .9rem;
  background: var(--ink);
  color: white;
}
.skip-link:focus { top: 1rem; }

.site-header {
  border-bottom: 1px solid var(--line);
  background: rgba(255,255,255,.97);
}

.nav, .page-shell, .site-footer__inner {
  width: min(1120px, calc(100% - 2.5rem));
  margin-inline: auto;
}

.nav {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand {
  color: var(--ink);
  font-family: var(--serif);
  font-size: 1.08rem;
  font-weight: 700;
  text-decoration: none;
}

.nav-links { display: flex; flex-wrap: wrap; gap: 1.15rem; }
.nav-links a { color: var(--muted); font-size: .92rem; text-decoration: none; }
.nav-links a[aria-current="page"] { color: var(--ink); font-weight: 700; }

.page-shell { padding-block: clamp(3.2rem, 8vw, 7.5rem); }
.page-shell--article { max-width: 900px; }

.eyebrow {
  margin: 0 0 1rem;
  color: var(--accent);
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .13em;
  text-transform: uppercase;
}

h1, h2, h3 {
  margin: 0;
  font-family: var(--serif);
  line-height: 1.16;
  letter-spacing: -.02em;
}

h1 { max-width: 950px; font-size: clamp(2.5rem, 7vw, 5.6rem); font-weight: 600; }
.article-title { font-size: clamp(2.15rem, 5.2vw, 4.35rem); }
h2 { margin-top: 3.5rem; font-size: clamp(1.65rem, 3vw, 2.25rem); }
h3 { font-size: 1.24rem; }

.lede {
  max-width: 760px;
  margin: 1.65rem 0 0;
  color: var(--muted);
  font-family: var(--serif);
  font-size: clamp(1.22rem, 2.5vw, 1.62rem);
  line-height: 1.5;
}

.rule { width: 88px; height: 4px; margin: 2.4rem 0; background: var(--accent); }

.profile-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(240px, .55fr);
  gap: clamp(2.5rem, 7vw, 6rem);
  align-items: start;
}

.profile-grid p { max-width: 750px; }
.profile-aside { padding: 1.35rem 1.5rem; border-top: 4px solid var(--accent); background: var(--wash); }
.profile-aside h2 { margin-top: 0; font-size: 1rem; font-family: var(--sans); letter-spacing: .08em; text-transform: uppercase; }
.profile-aside ul { margin: 1rem 0 0; padding-left: 1.15rem; }

.paper-list { display: grid; gap: 1rem; margin-top: 1.5rem; }
.paper-card {
  display: grid;
  grid-template-columns: 110px minmax(0, 1fr);
  gap: 1.25rem;
  padding: 1.55rem 0;
  border-top: 1px solid var(--line);
}
.paper-card:last-child { border-bottom: 1px solid var(--line); }
.paper-card__year { color: var(--muted); font-variant-numeric: tabular-nums; }
.paper-card h3 a { color: var(--ink); text-decoration-thickness: 1px; }
.paper-card p { margin: .55rem 0 0; color: var(--muted); }
.paper-card__meta { font-size: .91rem; }

.article-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .55rem 2rem;
  margin-top: 2rem;
  padding: 1.25rem 0;
  border-block: 1px solid var(--line);
  color: var(--muted);
  font-size: .94rem;
}
.article-meta strong { color: var(--ink); }

.actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 1.6rem; }
.button {
  display: inline-flex;
  align-items: center;
  min-height: 46px;
  padding: .65rem 1rem;
  border: 1px solid var(--accent);
  color: white;
  background: var(--accent);
  font-weight: 750;
  text-decoration: none;
}
.button:hover { color: white; background: var(--accent-dark); }
.button--quiet { color: var(--accent); background: white; }
.button--quiet:hover { color: white; }

.abstract { margin-top: 3.25rem; }
.abstract p { max-width: 780px; }
.prose { margin-top: 3.25rem; }
.prose p { max-width: 780px; }
.keywords { margin-top: 2rem; color: var(--muted); font-size: .92rem; }

.site-footer { border-top: 1px solid var(--line); background: var(--wash); }
.site-footer__inner { padding-block: 1.7rem; display: flex; justify-content: space-between; gap: 1rem; color: var(--muted); font-size: .88rem; }

@media (max-width: 760px) {
  .nav { align-items: flex-start; flex-direction: column; padding-block: 1rem; }
  .profile-grid, .article-meta { grid-template-columns: 1fr; }
  .paper-card { grid-template-columns: 1fr; gap: .25rem; }
  .site-footer__inner { flex-direction: column; }
}

@media print {
  .site-header, .actions, .site-footer, .skip-link { display: none; }
  .page-shell { width: 100%; padding: 0; }
  a { color: inherit; }
}