:root {
  --max: 900px;
  --fg: #1a1a1a;
  --muted: #5d5d5d;
  --bg: #fff;
  --rule: #e8e8e8;
  --link: #0a58ca;
  --x: #000000;
  --orcid: #a6ce39;
  --linkedin: #0a66c2;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 18px;
  line-height: 1.65;
}

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 2rem 1.25rem;
}

.site-header { border-bottom: 1px solid var(--rule); }
.site-header .wrap { padding-bottom: 1.25rem; }
main.wrap { padding-top: 1rem; }

.title-block {
  display: flex;
  align-items: flex-start;
  gap: 1.2rem;
}

.profile-pic {
  width: 240px;
  height: 300px;
  object-fit: cover;
  border-radius: 0;
  border: none;
}

h1 {
  margin: 0;
  font-size: 2.1rem;
  font-weight: 650;
  letter-spacing: -0.01em;
}

h2 {
  margin: 1.4rem 0 .6rem;
  font-size: 1.45rem;
  font-weight: 650;
  letter-spacing: -0.01em;
}

h3 {
  margin: .95rem 0 .3rem;
  font-size: 1.08rem;
  font-weight: 600;
}

.paper-heading { display: flex; flex-wrap: wrap; gap: .5rem; align-items: baseline; }
.paper-inline-links { font-weight: 500; font-size: .98rem; }
.paper-inline-links a { white-space: nowrap; }

.contact-line { margin: .25rem 0 .35rem; }
.cv-cta { margin: .1rem 0 .7rem; }
.email { font-weight: 600; }

.cv-button {
  display: inline-block;
  padding: .42rem .72rem;
  border: 1px solid var(--rule);
  border-radius: .5rem;
  font-weight: 700;
}

.icon-links {
  display: flex;
  align-items: center;
  gap: .6rem;
}

.icon-link {
  width: 36px;
  height: 36px;
  border: 1px solid var(--rule);
  border-radius: .55rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.icon-link svg { width: 20px; height: 20px; }
.icon-x svg { fill: #000000; }
.icon-orcid svg { fill: #a6ce39; }
.icon-linkedin svg { fill: #0a66c2; }

a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }

p { margin: .45rem 0; }
ul { margin: .25rem 0 0 1.2rem; padding: 0; }
li { margin: .35rem 0; }

.about-compact { margin: .35rem 0; }

details.abstract { margin: .35rem 0 1rem; }
details.abstract > summary {
  cursor: pointer;
  color: var(--link);
  font-size: 1rem;
  list-style: none;
}
details.abstract > summary::-webkit-details-marker { display: none; }
details.abstract > summary:hover { text-decoration: underline; }
details.abstract p { margin: .45rem 0; }

.site-footer {
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--rule);
}
.small { color: var(--muted); font-size: .92rem; }

@media (max-width: 780px) {
  body { font-size: 17px; }
  .title-block { gap: .85rem; }
  .profile-pic { width: 170px; height: 220px; }
  h1 { font-size: 1.75rem; }
}

@media (max-width: 560px) {
  .wrap { padding: 1.1rem .9rem; }
  .title-block { flex-direction: column; align-items: flex-start; }
  .profile-pic { width: 100%; max-width: 320px; height: auto; }
  h1 { font-size: 1.6rem; }
  h2 { font-size: 1.28rem; }
  .icon-link { width: 34px; height: 34px; }
  .paper-heading { display: block; }
  .paper-inline-links { display: inline; margin-left: .35rem; }
}