:root {
  --bg: #fbfbfa;
  --surface: #ffffff;
  --text: #17191d;
  --muted: #616873;
  --line: #e2e4e7;
  --accent: #b3222d;
  --navy: #1f3347;
  --link: #315f8b;
  --max: 920px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a:hover {
  text-decoration: underline;
}

.container {
  width: min(calc(100% - 40px), var(--max));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(251, 251, 250, 0.96);
  border-bottom: none;
  backdrop-filter: blur(8px);
}

.header-inner {
  height: 58px;
  display: flex;
  align-items: center;
}

.site-name {
  color: var(--text);
  font-size: 16px;
  font-weight: 700;
  text-decoration: none;
}

.site-name:hover {
  text-decoration: none;
}

.nav {
  margin-left: auto;
  display: flex;
  gap: 24px;
}

.nav a {
  color: var(--muted);
  font-size: 14px;
}

.nav a:hover {
  color: var(--text);
  text-decoration: none;
}

.section {
  padding: 68px 0;
  border-bottom: none;
}

.intro {
  padding-top: 76px;
}

.intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 190px;
  gap: 58px;
  align-items: start;
}

.eyebrow {
  margin: 0 0 5px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

h1,
h2,
h3,
h4,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 20px;
  color: var(--navy);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(38px, 7vw, 56px);
  line-height: 1.05;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.lead {
  margin-bottom: 18px;
  color: var(--text);
  font-size: 18px;
  line-height: 1.6;
}

.intro-text > p:not(.eyebrow):not(.lead):not(.profile-links):not(.disclaimer) {
  color: var(--muted);
}

.profile-links {
  margin: 24px 0 0;
  font-size: 14px;
}

.profile-links span {
  margin: 0 8px;
  color: #a6abb1;
}

.disclaimer {
  margin: 12px 0 0;
  color: #8b9097;
  font-size: 12px;
}

.portrait-wrap {
  padding-top: 10px;
}

.portrait {
  width: 180px;
  height: 180px;
  object-fit: cover;
  object-position: center 23%;
  border-radius: 3px;
  border: 1px solid var(--line);
  background: var(--surface);
}

.section-title-row {
  margin-bottom: 28px;
}

h2 {
  margin: 0;
  color: var(--navy);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 32px;
  font-weight: 600;
}

.group-title {
  margin-bottom: 12px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.secondary-group {
  margin-top: 46px;
}

.publication-list {
  border-top: none;
}

.publication {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
  gap: 20px;
  padding: 19px 0;
  /* border-bottom: none; */
}

.year {
  padding-top: 2px;
  color: #8b9097;
  font-size: 13px;
  font-weight: 700;
}

.publication h4 {
  margin-bottom: 4px;
  font-size: 16px;
  line-height: 1.45;
  font-weight: 600;
}

.publication h4 a {
  color: var(--link);
}

.publication p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
}

.small-link {
  margin-left: 6px;
  font-size: 13px;
  white-space: nowrap;
}

.policy-list {
  margin-top: 0;
}

.policy-area + .policy-area {
  margin-top: 46px;
}

.footer {
  padding: 28px 0 36px;
  color: #8b9097;
  font-size: 12px;
}

.footer p {
  margin: 0;
}

@media (max-width: 700px) {
  .header-inner {
    height: auto;
    min-height: 58px;
    padding: 10px 0;
    gap: 18px;
  }

  .nav {
    gap: 15px;
  }

  .intro-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .portrait-wrap {
    order: -1;
    padding-top: 0;
  }

  .portrait {
    width: 125px;
    height: 125px;
  }

  .section,
  .intro {
    padding: 50px 0;
  }

  .publication {
    grid-template-columns: 48px minmax(0, 1fr);
    gap: 14px;
  }
}

@media (max-width: 480px) {
  .container {
    width: min(calc(100% - 28px), var(--max));
  }

  .site-name {
    display: none;
  }

  .nav {
    margin-left: 0;
    width: 100%;
    justify-content: space-between;
  }

  h1 {
    font-size: 42px;
  }
}

.publication,
.publication-item,
.paper,
.paper-item,
.policy-item {
    border-top: none !important;
    border-bottom: none !important;
}

/* Subsection navigation under Research and Policy */
.section-title-row {
  margin-bottom: 0;
}

.section-title-row h2 {
  margin-bottom: 0;
}

.section-links {
  margin-top: 0.35rem;
  margin-bottom: 1.4rem;
}