:root {
  --bg: #ffffff;
  --band: #f3f3f3;
  --text: #111111;
  --muted: #2c2c2c;
  --link: #4b8bd7;
  --line: #e6e6e6;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Source Sans 3", Arial, sans-serif;
}

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

a:hover {
  text-decoration: underline;
}

img {
  display: block;
  max-width: 100%;
}

.page-shell {
  width: min(1400px, calc(100% - 48px));
  margin: 0 auto;
}

.content-shell {
  width: min(920px, calc(100% - 48px));
  margin: 0 auto;
}

.topbar {
  background: #ffffff;
  border-bottom: 1px solid var(--line);
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px 0;
}

.brand {
  color: var(--muted);
  font-family: "Libre Baskerville", Georgia, serif;
  font-size: 1.1rem;
  font-weight: 700;
}

.topnav {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
}

.topnav a {
  color: #5a5a5a;
  font-size: 1rem;
}

.intro-band {
  background: var(--band);
  padding: 30px 0 30px;
}

.intro-grid {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: 28px;
  align-items: start;
}

.portrait-wrap {
  width: 150px;
}

.portrait {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border: 4px solid #ffffff;
  border-radius: 20px;
  background: #d9d9d9;
}

.intro-copy h1,
.content-section h2 {
  margin: 0 0 18px;
  font-family: "Libre Baskerville", Georgia, serif;
  font-weight: 700;
}

.intro-copy h1 {
  margin-bottom: 12px;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  line-height: 1.05;
}

.intro-line {
  margin: 0 0 5px;
  color: var(--text);
  font-family: "Libre Baskerville", Georgia, serif;
  font-size: clamp(0.98rem, 1.45vw, 1.18rem);
  line-height: 1.18;
}

.icon-links {
  display: flex;
  gap: 12px;
  margin-top: 12px;
}

.icon-links a {
  color: #103d73;
  font-size: 1.25rem;
}

.content {
  padding: 40px 0 60px;
}

.prose,
.plain-list,
.contact-line {
  font-size: clamp(0.98rem, 1.08vw, 1.05rem);
  line-height: 1.58;
}

.prose {
  font-family: "Libre Baskerville", Georgia, serif;
}

.prose p {
  max-width: 880px;
  margin: 0 0 16px;
}

.prose ul,
.plain-list {
  margin: 0;
  max-width: 880px;
  padding-left: 24px;
}

.prose li,
.plain-list li {
  margin-bottom: 12px;
}

.content-section {
  margin-top: 32px;
}

.content-section h2 {
  font-size: clamp(1.48rem, 2vw, 1.72rem);
}

.section-note {
  margin: 0 0 14px;
  font-size: clamp(0.95rem, 1.05vw, 1rem);
  line-height: 1.45;
}

.publication-list {
  margin: 0;
  padding-left: 32px;
}

.publication-item {
  margin-bottom: 18px;
}

.pub-title,
.pub-authors,
.pub-venue,
.pub-meta {
  margin: 0 0 5px;
}

.pub-title {
  color: var(--link);
  font-size: clamp(1.02rem, 1.18vw, 1.1rem);
  font-weight: 600;
  line-height: 1.4;
}

.pub-title a {
  color: var(--link);
}

.pub-title a:visited,
.pub-title a:active,
.pub-title a:hover {
  color: var(--link);
}

.pub-title a:hover {
  color: var(--link);
  text-decoration: underline;
}

.pub-authors,
.pub-venue {
  color: #000000;
  font-size: clamp(0.93rem, 1vw, 0.98rem);
  line-height: 1.45;
}

.pub-meta {
  color: #5c5c5c;
  font-size: clamp(0.86rem, 0.95vw, 0.92rem);
}

.contact-line {
  margin: 0 0 14px;
}

@media (max-width: 900px) {
  .intro-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .portrait-wrap {
    width: min(280px, 100%);
  }
}

@media (max-width: 640px) {
  .page-shell,
  .content-shell {
    width: min(100% - 24px, 1400px);
  }

  .topbar-inner {
    display: block;
  }

  .topnav {
    margin-top: 10px;
    gap: 14px;
  }

  .intro-band {
    padding: 28px 0 38px;
  }

  .prose,
  .plain-list,
  .contact-line {
    font-size: 0.98rem;
  }

  .section-note,
  .pub-title,
  .pub-authors,
  .pub-venue,
  .pub-meta {
    font-size: 0.96rem;
  }
}