:root {
  color-scheme: light;
  --bg: #f8f7f2;
  --surface: #fffdf8;
  --surface-strong: #ffffff;
  --text: #141414;
  --muted: #606861;
  --line: #e2e0d8;
  --accent: #b00000;
  --accent-strong: #8d0000;
  --accent-soft: #f7e7e3;
  --teal: #10756f;
  --teal-soft: #e6f3ef;
  --shadow: 0 16px 44px rgba(28, 30, 27, 0.07);
  --radius-lg: 22px;
  --radius-md: 15px;
  --radius-sm: 10px;
  --font-sans: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-serif: "Source Serif 4", Georgia, serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background:
    radial-gradient(circle at 8% 0%, rgba(176, 0, 0, 0.06), transparent 26rem),
    linear-gradient(180deg, #fbfaf6 0%, var(--bg) 58%, #f1f4f1 100%);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 14.5px;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; }
a { color: var(--text); text-decoration: none; }
a:hover { color: var(--text); }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 4px; }

.wrap { width: min(1120px, calc(100% - 44px)); margin-inline: auto; }

.skip-link {
  position: fixed;
  top: 1rem;
  left: 1rem;
  z-index: 100;
  transform: translateY(-150%);
  border-radius: 999px;
  background: var(--text);
  color: #fff;
  padding: 0.7rem 1rem;
}
.skip-link:focus { transform: translateY(0); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(226, 224, 216, 0.86);
  background: rgba(248, 247, 242, 0.9);
  backdrop-filter: blur(18px);
}
.nav { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding-block: 0.62rem; }
.brand {
  display: inline-grid;
  width: 2.25rem;
  height: 2.25rem;
  place-items: center;
  border-radius: 50%;
  background: var(--text);
  color: #fff;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  text-decoration: none;
}
.nav-toggle {
  display: none;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text);
  font-weight: 700;
  padding: 0.5rem 0.75rem;
}
.nav-links,
.tag-list,
.contact-icons,
.footer-links {
  display: flex;
  align-items: center;
  gap: 0.42rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
.nav-links { flex-wrap: wrap; justify-content: flex-end; }
.nav-links a {
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 650;
  padding: 0.42rem 0.62rem;
  text-decoration: none;
}
.nav-links a:hover { background: var(--accent-soft); color: var(--accent-strong); }

.hero {
  display: grid;
  grid-template-columns: minmax(220px, 292px) minmax(0, 1fr);
  gap: clamp(1.8rem, 4.5vw, 4.4rem);
  align-items: center;
  padding-block: clamp(2.4rem, 6vw, 4.8rem);
  min-height: 520px;
}
.portrait-frame {
  position: relative;
  margin: 0;
  width: min(100%, 285px);
  justify-self: center;
}
.portrait-frame::before {
  content: "";
  position: absolute;
  inset: -7px;
  z-index: -1;
  border: 2px solid var(--text);
  border-radius: 30% 18% 28% 18%;
  transform: rotate(-3deg);
}
.portrait-frame img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border: 1px solid rgba(20, 20, 20, 0.22);
  border-radius: 30% 18% 28% 18%;
  box-shadow: var(--shadow);
}
.hero-copy { max-width: 760px; }
.kicker {
  margin: 0 0 0.55rem;
  color: var(--accent-strong);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.hero h1 {
  margin: 0;
  color: var(--text);
  font-family: var(--font-sans);
  font-size: clamp(2.15rem, 4.7vw, 3.05rem);
  font-weight: 800;
  letter-spacing: -0.055em;
  line-height: 0.98;
}
.section h2 {
  margin: 0;
  color: var(--text);
  font-family: var(--font-serif);
  font-size: clamp(1.65rem, 3vw, 1.75rem);
  font-weight: 650;
  letter-spacing: -0.035em;
  line-height: 1.08;
}
.role {
  max-width: 720px;
  margin: 0.7rem 0 0;
  color: var(--text);
  font-size: clamp(1rem, 1.7vw, 1.32rem);
  font-weight: 650;
  line-height: 1.32;
}
.hero-email {
  display: inline-block;
  margin-top: 0.18rem;
  font-size: clamp(0.96rem, 1.45vw, 1.12rem);
  font-weight: 600;
  color: var(--accent);
}
.research-line {
  max-width: 760px;
  margin: 1.15rem 0 0;
  color: var(--accent);
  font-size: clamp(1rem, 1.65vw, 1.18rem);
  line-height: 1.4;
}
.research-line strong { color: var(--accent-strong); }
.contact-icons { flex-wrap: wrap; margin-top: 1rem; gap: 0.55rem; }
.icon-link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  min-height: 2.28rem;
  border: 1px solid rgba(176, 0, 0, 0.14);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.76);
  color: var(--text);
  font-size: 0.84rem;
  font-weight: 750;
  padding: 0.38rem 0.66rem;
  text-decoration: none;
  box-shadow: 0 8px 22px rgba(20, 30, 28, 0.04);
}
.icon-link:hover { transform: translateY(-1px); background: var(--accent-soft); color: var(--accent-strong); }
.icon-link svg {
  width: 1.05rem;
  height: 1.05rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.icon-link svg path:first-child:last-child { fill: currentColor; stroke: none; }
.icon-link.compact { min-height: 2.2rem; background: rgba(255,255,255,0.08); color: #fff; border-color: rgba(255,255,255,0.16); }
.tag-list { flex-wrap: wrap; margin-top: 0.85rem; }
.tag {
  border: 1px solid rgba(16, 117, 111, 0.18);
  border-radius: 999px;
  background: var(--teal-soft);
  color: #0a5852;
  font-size: 0.78rem;
  font-weight: 750;
  padding: 0.28rem 0.54rem;
}

.section {
  padding-block: clamp(2.8rem, 6vw, 4.7rem);
  border-top: 1px solid rgba(226, 224, 216, 0.9);
}
.section-soft {
  width: min(1120px, calc(100% - 44px));
  border: 1px solid rgba(226, 224, 216, 0.95);
  border-radius: var(--radius-lg);
  background: rgba(255, 253, 248, 0.6);
  padding-inline: clamp(1.15rem, 3vw, 2rem);
  box-shadow: 0 14px 46px rgba(20, 30, 28, 0.04);
}
.section-header {
  max-width: 1080px;/*780px;*/
  margin-bottom: clamp(1.2rem, 3vw, 2rem);
}
.section-lede { margin: 0.8rem 0 0; color: var(--muted); font-size: 0.98rem; line-height: 1.62; }
.prose {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem 1.4rem;
}
.prose p { margin: 0; color: #26332f; }
.prose p:first-child { grid-column: 1 / -1; font-size: 1rem; }
.card-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.card,
.talk-panel {
  border: 1px solid rgba(226, 224, 216, 0.95);
  border-radius: var(--radius-md);
  background: rgba(255, 253, 248, 0.88);
  padding: clamp(1rem, 2vw, 1.35rem);
  box-shadow: 0 10px 28px rgba(20, 35, 32, 0.045);
}
.card h3,
.talk-panel h3 { margin: 0 0 0.5rem; color: var(--text); font-size: 0.98rem; line-height: 1.3; }
.card p { margin: 0; color: var(--muted); }

.experience-list { display: grid; gap: 0.72rem; margin: 0; padding: 0; list-style: none; }
.experience-item {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 0.9rem;
  align-items: center;
  border: 1px solid rgba(226, 224, 216, 0.95);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.72);
  padding: 0.85rem 0.9rem;
  box-shadow: 0 10px 28px rgba(20, 35, 32, 0.035);
}
.experience-logo {
  display: grid;
  width: 50px;
  height: 50px;
  place-items: center;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  color: var(--teal);
  font-size: 0.68rem;
  font-weight: 850;
  text-align: center;
}
.experience-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.experience-logo.fallback img { display: none; }
.experience-body { display: grid; gap: 0.08rem; }
.experience-body strong { color: var(--text); font-size: 0.96rem; line-height: 1.32; }
.experience-body span { color: var(--muted); font-size: 0.9rem; font-weight: 600; }
.experience-body em { color: var(--teal); font-size: 0.72rem; font-style: normal; font-weight: 750; text-transform: uppercase; letter-spacing: 0.08em; }

.publication-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1.2rem;
  max-width: none;
}
.publication-heading > div:first-child { max-width: 720px; }
.publication-heading code { border-radius: 0.45rem; background: var(--accent-soft); color: var(--accent-strong); padding: 0.08rem 0.26rem; }
.publication-tabs {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem;
  width: fit-content;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  padding: 0.25rem;
}
.tab-button {
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font: inherit;
  font-size: 0.84rem;
  font-weight: 750;
  padding: 0.42rem 0.68rem;
}
.tab-button.is-active { background: var(--text); color: #fff; }
.publication-list.filtered { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.8rem; margin: 0; padding: 0; list-style: none; }
.publication-item {
  display: grid;
  grid-template-columns: 4rem 1fr;
  gap: 0.85rem;
  align-items: start;
  border: 1px solid rgba(226, 224, 216, 0.95);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.74);
  padding: 0.88rem;
}
.pub-year { color: var(--accent-strong); font-weight: 850; font-size: 0.9rem; }
.pub-body { display: grid; gap: 0.22rem; }
.pub-topline { display: flex; flex-wrap: wrap; gap: 0.35rem 0.55rem; color: var(--muted); font-size: 0.78rem; font-weight: 600; }
.pub-type { color: var(--teal); font-weight: 800; }
.publication-item strong { color: var(--text); font-size: 0.94rem; line-height: 1.34; }
.pub-authors {
  margin: 0.35rem 0 0;
  color: #6f7578;
  font-size: 0.52rem;
  font-weight: 700;
  line-height: 1.45;
}
.pub-authors::first-letter {
  text-transform: none;
}
.talk-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.talk-panel.full { grid-column: 1 / -1; }
.talk-list { display: grid; gap: 0.72rem; margin: 0; padding: 0; list-style: none; }
.talk-item { display: grid; grid-template-columns: 3.6rem 1fr; gap: 0.75rem; padding-bottom: 0.72rem; border-bottom: 1px solid var(--line); }
.talk-item:last-child { border-bottom: 0; padding-bottom: 0; }
.talk-item time { color: var(--teal); font-weight: 850; font-size: 0.9rem; }
.talk-item strong { display: block; font-size: 0.92rem; line-height: 1.35; }
.talk-item span span { display: block; color: var(--muted); margin-top: 0.1rem; font-size: 0.88rem; }
.talk-list.compact { grid-template-columns: repeat(3, minmax(0, 1fr)); column-gap: 1.2rem; }

.quotes { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.quotes blockquote {
  margin: 0;
  min-height: 150px;
  border-left: 4px solid var(--accent);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  background: rgba(255, 255, 255, 0.78);
  padding: clamp(1rem, 2.5vw, 1.45rem);
  box-shadow: 0 10px 28px rgba(20, 35, 32, 0.04);
}
.quotes p { margin: 0; color: var(--text); font-family: var(--font-serif); font-size: clamp(1rem, 1.6vw, 1.22rem); line-height: 1.38; }
.quotes cite { display: block; margin-top: 0.72rem; color: var(--muted); font-style: normal; font-weight: 750; }

.footer { border-top: 1px solid var(--line); background: #101b19; color: rgba(255, 255, 255, 0.9); padding-block: 1.7rem; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; }
.footer p { margin: 0.18rem 0 0; color: rgba(255, 255, 255, 0.68); }
.footer-links { flex-wrap: wrap; justify-content: flex-end; }
.copyright { width: min(1120px, calc(100% - 44px)); margin: 1rem auto 0; color: rgba(255, 255, 255, 0.58); font-size: 0.82rem; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}

@media (max-width: 980px) {
  .hero { grid-template-columns: 220px 1fr; gap: 2rem; min-height: auto; }
  .publication-list.filtered { grid-template-columns: 1fr; }
  .talk-list.compact { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 820px) {
  .hero { grid-template-columns: 1fr; padding-block: 2.6rem; }
  .portrait-frame { justify-self: start; width: min(70vw, 260px); }
  .prose, .card-grid, .talk-grid, .quotes { grid-template-columns: 1fr; }
  .prose p:first-child { grid-column: auto; }
  .publication-heading { display: grid; align-items: start; }
}

@media (max-width: 720px) {
  body { font-size: 14px; }
  .wrap, .section-soft { width: min(100% - 28px, 1120px); }
  .nav-toggle { display: inline-flex; }
  .nav { position: relative; }
  .nav-links {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    display: none;
    width: min(260px, calc(100vw - 28px));
    flex-direction: column;
    align-items: stretch;
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    background: var(--surface-strong);
    padding: 0.6rem;
    box-shadow: var(--shadow);
  }
  .nav-links.is-open { display: flex; }
  .nav-links a { display: block; }
  .hero h1 { font-size: clamp(2rem, 10vw, 3.1rem); }
  .role { font-size: 1rem; }
  .research-line { font-size: 1rem; }
  .section { padding-block: 2.8rem; }
  .section h2 { font-size: clamp(1.65rem, 8vw, 2.25rem); }
  .publication-tabs { border-radius: var(--radius-md); }
  .publication-item { grid-template-columns: 1fr; gap: 0.25rem; }
  .experience-item { grid-template-columns: 48px 1fr; padding: 0.82rem; }
  .experience-logo { width: 46px; height: 46px; }
  .experience-logo img { width: 30px; height: 30px; }
  .talk-item { grid-template-columns: 3.2rem 1fr; }
  .talk-list.compact { grid-template-columns: 1fr; }
  .footer-inner { align-items: flex-start; flex-direction: column; }
  .footer-links { justify-content: flex-start; }
}

#person-title{font-size: 1.1em; font-weight: 600; color: var(--text); margin: 0.5rem 0 0.2rem;}