:root {
  --paper: #F6F5F1;
  --ink: #1A1A1A;
  --ink-soft: #5B5B5B;
  --link: #1A4480;
  --hairline: #E1DFD8;
  --sans: "Inter", -apple-system, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--link); text-decoration: underline; text-underline-offset: 2px; }
a:hover { color: #0F2C54; }
a:focus-visible { outline: 2px solid var(--link); outline-offset: 2px; }

.wrap { max-width: 700px; margin: 0 auto; padding: 0 24px; }

.eyebrow {
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin: 0 0 8px;
}
h1, h2 { font-family: var(--sans); color: var(--ink); margin: 0 0 0.4em; }
h1 { font-size: 2.2rem; font-weight: 700; letter-spacing: -0.01em; }
h2 { font-size: 1.3rem; font-weight: 600; margin: 0 0 18px; }

.hero { padding: 64px 24px 44px; }
.hero-grid { display: grid; grid-template-columns: 1fr 190px; gap: 32px; align-items: start; }
.hero-bio { max-width: 60ch; color: var(--ink); margin: 14px 0 16px; }
.hero-links { font-size: 0.95rem; margin: 0; }
.hero-links .sep { color: var(--ink-soft); margin: 0 8px; }
.hero-photo { margin-top: 34px; }
.photo-frame {
  width: 190px; height: 190px;
  border: 1px solid var(--hairline);
  border-radius: 3px;
  background: #FFFFFF;
  display: flex; align-items: center; justify-content: center;
}
.photo-frame img { width: 100%; height: 100%; object-fit: cover; border-radius: 3px; }
.photo-placeholder {
  font-size: 0.75rem; color: var(--ink-soft); text-align: center;
  text-transform: uppercase; letter-spacing: 0.06em;
}

.section { padding: 36px 24px; border-top: 1px solid var(--hairline); }

.paper { margin-bottom: 26px; }
.paper-title { font-size: 1.05rem; font-weight: 600; margin: 0 0 3px; }
.paper-meta { font-size: 0.9rem; color: var(--ink-soft); margin: 0 0 8px; }
.status { font-style: italic; color: var(--ink-soft); }
.paper-abstract { margin: 0; color: var(--ink); max-width: 65ch; }

.site-footer { padding: 30px 24px 50px; }
.site-footer p { font-size: 0.85rem; color: var(--ink-soft); }

@media (max-width: 600px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-photo { order: -1; margin-top: 0; display: flex; justify-content: center; margin-bottom: 16px; }
  .photo-frame { width: 130px; height: 130px; }
  h1 { font-size: 1.9rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}