@import url("https://fonts.googleapis.com/css2?family=Noto+Sans:wght@400;500;600;700&display=swap");

:root {
  --bg: #ffffff;
  --ink: #1f2933;
  --muted: #64748b;
  --line: #e2e8f0;
  --soft: #f8fafc;
  --accent: #183153;
  --link: #0b5cad;
  --link-hover: #083f77;
  --paper-link: var(--ink);
  --paper-link-hover: var(--ink);
  --page-max: 1240px;
  --page-padding: 44px;
  --profile-width: 220px;
  --layout-gap: 52px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  overflow-y: scroll;
  scrollbar-gutter: stable;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: "Noto Sans", Helvetica, Arial, sans-serif;
  font-size: 18px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--bg);
}

img { max-width: 100%; }

main { flex: 1 0 auto; }

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

.site-header {
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.96);
  position: sticky;
  top: 0;
  z-index: 10;
}

.container {
  width: 100%;
  max-width: var(--page-max);
  margin: 0 auto;
  padding: 0 var(--page-padding);
}

.nav {
  width: 100%;
  max-width: var(--page-max);
  margin: 0 auto;
  padding: 20px var(--page-padding);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand {
  color: var(--accent);
  font-weight: 700;
  font-size: 24px;
  letter-spacing: 0.01em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 26px;
  flex-wrap: wrap;
  font-size: 17px;
}

.nav-links a { color: var(--ink); }
.nav-links a.active,
.nav-links a:hover { color: var(--link); }

.home-layout {
  width: 100%;
  display: grid;
  grid-template-columns: var(--profile-width) minmax(0, 1fr);
  gap: var(--layout-gap);
  padding-top: 76px;
  padding-bottom: 92px;
}

.profile-panel {
  border-right: 1px solid var(--line);
  padding-right: 22px;
}

.avatar {
  width: 230px;
  height: 230px;
  border-radius: 50%;
  display: block;
  object-fit: cover;
  object-position: center;
  border: 1px solid var(--line);
  margin-bottom: 22px;
}

h1, h2, h3, h4 { line-height: 1.25; color: var(--accent); }

h1 { margin: 0 0 12px; font-size: 39px; }
h2 { margin: 0 0 20px; font-size: 29px; }
h3 { margin: 40px 0 16px; font-size: 21px; }
h4 { margin: 0 0 5px; font-size: 19px; }

.role {
  margin: 0 0 4px;
  font-size: 20px;
  font-weight: 600;
}

.affiliation,
.small-note,
.muted,
.authors { color: var(--muted); }
.affiliation, .small-note { margin: 4px 0; }

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 28px 0;
}

.button {
  display: inline-flex;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 16px;
  font-size: 15px;
  color: var(--link);
  background: white;
}

.button:hover { background: var(--soft); text-decoration: none; }

.contact-box {
  margin-top: 30px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  font-size: 16px;
}

.profile-panel > .contact-box:first-child {
  margin-top: 0;
  padding-top: 0;
  border-top: 0;
}

.contact-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 12px;
}

.contact-links a {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 500;
}

.contact-links a:hover {
  color: var(--link);
  text-decoration: none;
}

.contact-icon {
  width: 18px;
  height: 18px;
  color: var(--muted);
  flex: 0 0 18px;
}

.contact-icon svg {
  display: block;
  width: 100%;
  height: 100%;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.brand-icon svg {
  fill: currentColor;
  stroke: none;
}

.contact-links a:hover .contact-icon { color: var(--link); }

.main-copy > p {
  font-size: 19px;
  color: #334155;
  max-width: none;
}

.pill-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding: 0;
  margin: 0;
}

.pill-list li {
  border: 1px solid var(--line);
  background: var(--soft);
  color: #334155;
  border-radius: 999px;
  padding: 7px 14px;
  font-size: 15px;
}

.timeline {
  --timeline-axis-x: 7px;
  --timeline-padding: 30px;
  position: relative;
  margin-top: 18px;
  padding-left: var(--timeline-padding);
}

.timeline::before {
  content: "";
  position: absolute;
  top: 5px;
  bottom: 24px;
  left: calc(var(--timeline-axis-x) - 1px);
  width: 2px;
  background: var(--line);
}

.timeline article {
  position: relative;
  padding-bottom: 24px;
}
.timeline article::before {
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  position: absolute;
  left: calc(var(--timeline-axis-x) - var(--timeline-padding) - 5px);
  top: 5px;
  z-index: 1;
}
.timeline p { margin: 4px 0; }

.clean-list {
  margin: 0;
  padding-left: 22px;
}
.clean-list li { margin: 8px 0; }
.talk-list strong {
  color: var(--ink);
  font-size: 19px;
  font-weight: 600;
  line-height: 1.35;
}
.two-column { columns: 2; column-gap: 52px; }
.two-column li { break-inside: avoid; }

.page-layout {
  width: 100%;
  padding-top: 76px;
  padding-bottom: 92px;
}

.page-title {
  width: 100%;
  border-bottom: 1px solid var(--line);
  margin-bottom: 0;
  padding-bottom: 26px;
}
.page-title h1 { margin-bottom: 0; font-size: 39px; }
.page-title p { color: var(--muted); margin: 0; font-size: 19px; }

.content-section {
  width: 100%;
  border-bottom: 1px solid var(--line);
  padding: 26px 0;
}
.content-section:last-child { border-bottom: 0; }

.publication-list {
  margin: 12px 0 0;
  padding-left: 24px;
}

.publication-list li {
  margin: 0 0 18px;
  padding-left: 4px;
}

.publication-list li:last-child { margin-bottom: 0; }

.publication-title-link {
  color: var(--ink);
  font-size: 19px;
  font-weight: 600;
  line-height: 1.35;
}

a.publication-title-link {
  color: var(--paper-link);
}
a.publication-title-link:hover {
  color: var(--paper-link-hover);
}
.publication-list p { margin: 4px 0; }
.publication-list li > :last-child { margin-bottom: 0; }

.cv-frame {
  width: 100%;
  height: 78vh;
  min-height: 760px;
  border: 1px solid var(--line);
  background: var(--soft);
}

.cv-frame iframe {
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
}

.footer {
  display: none;
  color: var(--muted);
  font-size: 13px;
}
.footer-inner {
  padding-top: 20px;
  padding-bottom: 20px;
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.not-found {
  min-height: 100vh;
  display: grid;
  place-items: center;
  text-align: center;
}

@media (max-width: 780px) {
  :root {
    --page-padding: 24px;
    --layout-gap: 34px;
  }
  body { font-size: 16px; }
  .site-header { position: static; }
  .nav {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
    padding-top: 16px;
    padding-bottom: 16px;
  }
  .brand { font-size: 22px; }
  .nav-links {
    width: 100%;
    gap: 8px 16px;
    font-size: 15px;
  }
  .nav-links a {
    line-height: 1.35;
    padding: 2px 0;
  }
  .home-layout {
    grid-template-columns: 1fr;
    gap: var(--layout-gap);
    padding-top: 38px;
    padding-bottom: 54px;
  }
  .profile-panel {
    border-right: 0;
    border-bottom: 1px solid var(--line);
    padding: 0 0 30px;
  }
  .avatar {
    width: 180px;
    height: 180px;
  }
  h1 { font-size: 29px; }
  h2 { font-size: 22px; }
  h3 { margin-top: 32px; font-size: 19px; }
  h4 { font-size: 17px; }
  .role,
  .main-copy > p,
  .page-title p { font-size: 17px; }
  .button-row { margin: 22px 0; }
  .contact-box { margin-top: 22px; font-size: 15px; }
  .page-layout {
    padding-top: 38px;
    padding-bottom: 54px;
  }
  .page-title {
    margin-bottom: 0;
    padding-bottom: 22px;
  }
  .page-title h1 { font-size: 29px; }
  .content-section { padding: 22px 0; }
  .publication-title-link { font-size: 17px; }
  .talk-list strong { font-size: 17px; }
  .two-column { columns: 1; }
  .footer-inner { gap: 10px 18px; }
  .cv-frame { min-height: 560px; height: 72vh; }
}

@media (max-width: 480px) {
  :root { --page-padding: 18px; }
  body { font-size: 15.5px; }
  .nav-links {
    gap: 6px 12px;
    font-size: 14px;
  }
  .avatar {
    width: 150px;
    height: 150px;
  }
  h1,
  .page-title h1 { font-size: 26px; }
  h2 { font-size: 20px; }
  h3 { font-size: 18px; }
  .publication-title-link { font-size: 16.5px; }
  .talk-list strong { font-size: 16.5px; }
  .role,
  .main-copy > p,
  .page-title p { font-size: 16px; }
  .pill-list { gap: 8px; }
  .pill-list li {
    padding: 6px 10px;
    font-size: 14px;
  }
  .timeline {
    --timeline-axis-x: 6px;
    --timeline-padding: 24px;
  }
  .clean-list { padding-left: 19px; }
  .button {
    padding: 7px 13px;
    font-size: 14px;
  }
  .cv-frame { min-height: 520px; height: 72vh; }
}