@import url('https://fonts.googleapis.com/css2?family=Fraunces:wght@600;700&family=Inter:wght@400;500;600;700&display=swap');

:root {
  --bg: #fbfaf8;
  --surface: #f3f1ec;
  --text: #2b2b28;
  --muted: #6b6a63;
  --heading: #1c1c1a;
  --border: #e4e1d8;
  --link: #a3611a;
  --link-hover: #7a4712;
  --link-highlight: #f3e0c3;
  --accent: #a3611a;
  --tag-bg: #f3f1ec;
  --pub-title: #1a3a6b;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1a1a18;
    --surface: #232320;
    --text: #e7e5df;
    --muted: #a3a196;
    --heading: #f5f3ec;
    --border: #38372f;
    --link: #e2a860;
    --link-hover: #f0c088;
    --link-highlight: rgba(226, 168, 96, 0.18);
    --accent: #e2a860;
    --tag-bg: #2b2a25;
    --pub-title: #8fb8ec;
  }
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: 0 20px 48px;
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
}

.wrap {
  max-width: 1040px;
  margin: 0 auto;
}

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

a:hover {
  color: var(--link-hover);
  background: var(--link-highlight);
  border-radius: 4px;
  box-shadow: 0 0 0 2px var(--link-highlight);
}

h1, h2, h3 {
  font-family: "Fraunces", Georgia, serif;
  color: var(--heading);
  margin: 0;
}

/* Header */
.site-header {
  padding: 52px 0 22px;
  border-bottom: 1px solid var(--border);
}

.site-title-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.site-title-row h1 {
  font-size: 38px;
  font-weight: 700;
}

.tagline {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  text-align: right;
}

.nav-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px 20px;
  margin-top: 22px;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
}

.site-nav a {
  color: var(--heading);
  font-weight: 600;
  font-size: 17px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  padding: 4px 2px;
  border-bottom: 2px solid transparent;
}

.site-nav a:hover,
.site-nav a.active {
  background: none;
  box-shadow: none;
  border-bottom-color: var(--accent);
  color: var(--accent);
}

.social-row {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: auto;
}

.icon-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  color: var(--muted);
  border-radius: 7px;
}

.icon-link svg {
  width: 23px;
  height: 23px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.icon-link:hover {
  color: var(--link-hover);
  background: var(--link-highlight);
  box-shadow: none;
}

/* Main sections */
main {
  padding-top: 34px;
}

section {
  scroll-margin-top: 20px;
}

.section-heading {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
}

.section-heading h2 {
  font-size: 21px;
  font-weight: 600;
  white-space: nowrap;
}

.section-heading::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--border);
}

.intro {
  padding-bottom: 36px;
  border-bottom: 1px solid var(--border);
}

.intro-row {
  display: flex;
  gap: 32px;
  align-items: center;
}

.intro-full {
  margin: 24px 0 0;
}

.intro-photo {
  flex: 0 0 190px;
  width: 190px;
  height: 190px;
  border-radius: 50%;
  object-fit: cover;
  display: block;
}

.intro-copy {
  flex: 1;
  min-width: 0;
}

.intro-copy p {
  margin: 0 0 14px;
}

.focus-list {
  display: grid;
  gap: 8px;
  margin: 14px 0 0;
}

.focus-item {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 8px;
  padding: 4px 0 4px 12px;
  border-left: 2px solid var(--border);
  font-size: 15px;
}

.focus-item span.n {
  color: var(--accent);
  font-weight: 600;
}

/* generic section block */
.block {
  padding: 36px 0;
  border-bottom: 1px solid var(--border);
}

/* News */
.news-list {
  display: grid;
  gap: 12px;
}

.news-item {
  margin: 0;
  padding-left: 14px;
  border-left: 2px solid var(--border);
  font-size: 15px;
  color: var(--text);
}

.news-item b {
  color: var(--heading);
}

details.older-news {
  margin-top: 4px;
}

details.older-news summary {
  cursor: pointer;
  color: var(--link);
  font-size: 14px;
  width: fit-content;
}

details.older-news summary:hover {
  color: var(--link-hover);
  text-decoration: underline;
  text-underline-offset: 3px;
}

details.older-news .news-list {
  margin-top: 14px;
}

/* Publications */
.pub-note {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 15px;
}

.year-header {
  margin: 26px 0 10px;
  font-size: 18px;
  font-weight: 600;
  color: var(--heading);
  font-family: "Fraunces", Georgia, serif;
}

.year-header:first-of-type {
  margin-top: 0;
}

.pub-item {
  padding: 14px 0 14px 18px;
  border-top: 1px solid var(--border);
  font-size: 15px;
}

.pub-title {
  font-weight: 700;
  color: var(--pub-title);
  font-size: 16px;
}

.pub-authors {
  margin: 3px 0;
  color: var(--text);
}

.pub-venue {
  font-style: italic;
  color: var(--muted);
}

.pub-links a {
  font-size: 13px;
  margin-right: 8px;
}

/* Responsibilities */
.resp-group {
  margin-bottom: 26px;
}

.resp-group:last-child {
  margin-bottom: 0;
}

.resp-group h3 {
  font-size: 15px;
  font-family: "Inter", sans-serif;
  font-weight: 700;
  color: var(--heading);
  margin-bottom: 10px;
}

.resp-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.resp-list li {
  padding-left: 14px;
  border-left: 2px solid var(--border);
  font-size: 15px;
  line-height: 1.55;
}

.contact-line {
  margin: 24px 0 0;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 4px 10px;
}

.contact-icons {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-right: 4px;
}

.contact-icons .icon-link {
  width: 30px;
  height: 30px;
}

.contact-icons .icon-link svg {
  width: 18px;
  height: 18px;
}

.visit-tracker {
  display: inline-block;
  margin-top: 20px;
  line-height: 0;
  opacity: 0.35;
}

.visit-tracker img {
  display: block;
  width: 8px;
  height: 5px;
}

/* Footer */
.site-footer {
  padding-top: 22px;
  color: var(--muted);
  font-size: 12px;
}

/* Responsive */
@media (max-width: 720px) {
  .intro-row {
    flex-direction: column;
    align-items: center;
    text-align: left;
  }

  .intro-photo {
    margin: 0 auto 20px;
  }

  .site-title-row {
    flex-direction: column;
    text-align: center;
  }

  .tagline {
    text-align: center;
  }

  .nav-row {
    flex-direction: column;
    align-items: center;
  }

  .site-nav,
  .social-row {
    justify-content: center;
    margin-left: 0;
  }

  .site-title-row h1 {
    font-size: 30px;
  }
}