:root {
  --ink: #17212b;
  --muted: #5b6976;
  --navy: #16324f;
  --navy-deep: #0e2439;
  --teal: #2b7a78;
  --teal-soft: #dcebea;
  --warm: #f6f3ed;
  --paper: #fffdf9;
  --line: #dbe2e6;
  --accent: #b85c38;
  --shadow: 0 18px 50px rgba(20, 43, 61, 0.10);
}

html { scroll-behavior: smooth; }

body {
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 1.02rem;
  line-height: 1.7;
  overflow-x: hidden;
}

h1, h2, h3, .navbar-brand {
  color: var(--navy-deep);
  font-family: Georgia, "Times New Roman", serif;
  letter-spacing: -0.025em;
}

h1 { font-size: clamp(2.45rem, 5vw, 4.8rem); line-height: 1.04; }
h2 { line-height: 1.18; }
h3 { line-height: 1.25; }
a { color: #176d70; text-underline-offset: 0.18em; }
a:hover { color: var(--accent); }
a.anchorjs-link.external::after { content: none; }

.navbar {
  border-bottom: 1px solid rgba(22, 50, 79, 0.10);
  box-shadow: 0 4px 18px rgba(14, 36, 57, 0.04);
}

.navbar-brand { font-weight: 700; font-size: 1.35rem; }
.navbar-nav .nav-link { color: var(--navy) !important; font-weight: 600; font-size: 0.94rem; }
.navbar-nav .nav-link:hover { color: var(--teal) !important; }

#quarto-content { min-height: 70vh; }
.page-layout-full .content { max-width: 1220px; margin-inline: auto; }
.quarto-title-block .quarto-title-banner, .quarto-title-block.default .quarto-title { padding-bottom: 1.4rem; }
.quarto-title h1.title { font-size: clamp(2.55rem, 5vw, 4rem); }
.subtitle { color: var(--muted); font-size: 1.2rem; max-width: 760px; }

.eyebrow {
  color: var(--teal);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  margin: 0 0 0.9rem;
}
.eyebrow.light { color: #99d4cf; }

.network-background-host {
  isolation: isolate;
  position: relative;
}

.network-background-host > :not(.network-background-canvas) {
  position: relative;
  z-index: 1;
}

.network-background-canvas {
  display: block;
  height: min(116vh, 1120px);
  left: 50%;
  min-height: 700px;
  opacity: 0.92;
  pointer-events: none;
  position: absolute;
  top: 0;
  transform: translateX(-50%);
  width: 100vw;
  z-index: 0;
  -webkit-mask-image: linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0.96) 0%,
    rgba(0, 0, 0, 0.72) 58%,
    rgba(0, 0, 0, 0) 100%
  );
  mask-image: linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0.96) 0%,
    rgba(0, 0, 0, 0.72) 58%,
    rgba(0, 0, 0, 0) 100%
  );
}

.hero-shell {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(330px, 0.65fr);
  gap: clamp(2.5rem, 6vw, 6rem);
  align-items: center;
  padding: clamp(4rem, 8vw, 7.5rem) 0 5rem;
}
.hero-copy h1 { margin: 0 0 1.7rem; max-width: 860px; }
.hero-copy > p:not(.eyebrow) { color: #42515e; font-size: clamp(1.08rem, 1.6vw, 1.28rem); max-width: 800px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.8rem; margin: 2rem 0 1.5rem; }
.btn { border-radius: 4px; font-weight: 700; letter-spacing: 0.01em; padding-inline: 1.15rem; }
.btn-primary { background: var(--navy); border-color: var(--navy); }
.btn-primary:hover { background: var(--teal); border-color: var(--teal); }
.btn-outline-primary { color: var(--navy); border-color: var(--navy); }
.btn-outline-primary:hover { background: var(--navy); border-color: var(--navy); }
.research-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 1rem; }
.research-tags span, .method-tag {
  background: var(--teal-soft);
  border-radius: 999px;
  color: #225f5d;
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  padding: 0.35rem 0.7rem;
}
.hero-portrait { position: relative; margin-bottom: 2rem; }
.hero-portrait figure { margin: 0; }
.hero-portrait img {
  aspect-ratio: 4 / 5;
  border-radius: 3px;
  box-shadow: var(--shadow);
  object-fit: cover;
  object-position: 52% center;
  width: 100%;
}
.portrait-note {
  background: var(--navy);
  bottom: -2rem;
  color: white;
  left: -2rem;
  padding: 1.1rem 1.4rem;
  position: absolute;
  width: calc(100% - 1rem);
}
.portrait-note strong { font-family: Georgia, serif; font-size: 1.2rem; }

.section-intro { max-width: 720px; margin: 2rem 0 2.5rem; }
.section-intro h2 { font-size: clamp(2rem, 4vw, 3rem); }
.research-grid {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.project-grid {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.research-card, .project-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 1.8rem;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}
.research-card:hover, .project-card:hover { border-color: #9fbab9; box-shadow: var(--shadow); transform: translateY(-3px); }
.research-card h3, .project-card h3 { margin-top: 1rem; }
.card-number { color: var(--accent); font-size: 0.78rem; font-weight: 800; letter-spacing: 0.12em; }
.project-featured { background: var(--warm); grid-column: span 2; }
.project-status, .talk-date, .teaching-date, .pub-year, .news-date {
  color: var(--teal);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.project-status.active::before { background: #36a36f; border-radius: 50%; content: ""; display: inline-block; height: 0.5rem; margin-right: 0.45rem; width: 0.5rem; }

.home-band, .teaching-philosophy {
  background: var(--navy-deep);
  color: #dfe8ee;
  display: grid;
  gap: 3rem;
  grid-template-columns: minmax(0, 1.4fr) minmax(250px, 0.6fr);
  margin: 6rem calc(50% - 50vw);
  padding: clamp(3rem, 6vw, 5.5rem) max(2rem, calc((100vw - 1180px) / 2));
}
.home-band h2, .teaching-philosophy h2 { color: white; }
.band-link { color: #a9dfdb; font-weight: 800; }
.band-link:hover { color: white; }
.home-band-facts, .teaching-principles { display: grid; gap: 1rem; }
.home-band-facts div, .teaching-principles div { border-left: 2px solid var(--teal); display: grid; padding: 0.35rem 0 0.35rem 1.1rem; }
.home-band-facts strong, .teaching-principles strong { color: white; font-family: Georgia, serif; font-size: 1.2rem; }
.home-band-facts span, .teaching-principles span { color: #aebdc8; font-size: 0.88rem; }

.home-columns { display: grid; gap: 5rem; grid-template-columns: 1fr 1fr; margin: 5rem 0; }
.mini-timeline { border-left: 1px solid var(--line); margin: 1.6rem 0 1.5rem; padding-left: 1.4rem; }
.mini-event { margin: 0 0 1.5rem; position: relative; }
.mini-event::before { background: var(--teal); border: 3px solid var(--paper); border-radius: 50%; content: ""; height: 0.75rem; left: -1.8rem; position: absolute; top: 0.45rem; width: 0.75rem; }
.mini-date { color: var(--accent); display: block; font-size: 0.72rem; font-weight: 800; letter-spacing: 0.09em; margin-bottom: 0.2rem; }
.home-output { background: var(--warm); border-top: 4px solid var(--accent); padding: 2rem; }
.contact-strip { border-top: 1px solid var(--line); margin: 3rem 0 1rem; padding: 4rem 0; text-align: center; }

.page-lede { color: #435463; font-family: Georgia, serif; font-size: 1.28rem; line-height: 1.65; margin: 0 0 3rem; max-width: 820px; }
.project-grid { margin: 1.5rem 0 4.5rem; }
.project-card p:last-child { margin-bottom: 0; }
.cta-panel { background: var(--warm); border-left: 4px solid var(--accent); margin: 4rem 0 2rem; padding: 1.8rem 2rem; }
.cta-panel h2 { margin-top: 0; }

.news-timeline { border-left: 2px solid var(--line); margin: 3rem 0 4rem 0.5rem; padding-left: clamp(1.5rem, 4vw, 3rem); }
.news-item { border-bottom: 1px solid var(--line); padding: 0.1rem 0 2.2rem; margin: 0 0 2.2rem; position: relative; }
.news-item::before { background: var(--paper); border: 3px solid var(--teal); border-radius: 50%; content: ""; height: 0.95rem; left: calc(clamp(1.5rem, 4vw, 3rem) * -1 - 0.55rem); position: absolute; top: 0.15rem; width: 0.95rem; }
.news-item h3 { font-size: 1.45rem; margin: 0.65rem 0 0.55rem; }
.news-type, .talk-kind { background: var(--teal-soft); border-radius: 999px; color: #225f5d; font-size: 0.68rem; font-weight: 800; letter-spacing: 0.05em; margin-left: 0.55rem; padding: 0.25rem 0.55rem; text-transform: uppercase; }

.output-summary { display: flex; flex-wrap: wrap; gap: 1rem; margin: 0 0 3.5rem; }
.output-summary div { background: var(--navy); color: white; display: grid; min-width: 145px; padding: 1rem 1.3rem; }
.output-summary strong { font-family: Georgia, serif; font-size: 1.7rem; line-height: 1; }
.output-summary span { color: #bed0dc; font-size: 0.75rem; margin-top: 0.35rem; }
.publication-item { border-top: 1px solid var(--line); margin: 0; padding: 1.2rem 0 1.4rem 6rem; position: relative; }
.publication-item .pub-year { left: 0; position: absolute; top: 1.45rem; }
.publication-item p { margin: 0; }

.talk-list { margin-top: 2.5rem; }
.talk-item { border-top: 1px solid var(--line); padding: 2rem 0 2.5rem; }
.talk-item h2 { font-size: 1.7rem; margin: 0.7rem 0 0.4rem; }
.talk-featured { background: var(--warm); border-top: 4px solid var(--teal); margin-inline: -2rem; padding-inline: 2rem; }

.teaching-list { margin: 1.5rem 0 4rem; }
.teaching-item { border-top: 1px solid var(--line); display: grid; grid-template-columns: 150px 1fr; padding: 1.5rem 0; }
.teaching-item > * { grid-column: 2; }
.teaching-item .teaching-date { grid-column: 1; grid-row: 1 / span 3; padding-top: 0.3rem; }
.teaching-item h3 { margin: 0; }
.teaching-item ul { margin-bottom: 0; }
.teaching-philosophy { margin-top: 5rem; margin-bottom: 2rem; }

footer.footer { background: var(--navy-deep); color: #c9d5dc; margin-top: 4rem; }
footer.footer a { color: #b6dcda; }

@media (max-width: 991px) {
  .hero-shell { grid-template-columns: 1fr; padding-top: 3.5rem; }
  .hero-shell > *, .home-band > *, .home-columns > * { min-width: 0; }
  .hero-portrait { max-width: 560px; }
  .portrait-note { left: 1rem; }
  .research-grid, .project-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .project-featured { grid-column: span 2; }
}

@media (max-width: 767px) {
  body { font-size: 0.98rem; }
  h1 { font-size: 2.6rem; }
  .hero-shell { gap: 2.5rem; padding-bottom: 3rem; }
  .hero-copy, .hero-actions, .research-tags { min-width: 0; max-width: 100%; }
  .hero-copy p, .hero-copy h1 { overflow-wrap: anywhere; }
  .hero-actions { display: grid; grid-template-columns: minmax(0, 1fr); width: 100%; }
  .hero-actions .btn { box-sizing: border-box; display: block; max-width: 100%; width: 100%; }
  .eyebrow { line-height: 1.5; }
  .network-background-canvas { opacity: 0.68; }
  .research-grid, .project-grid, .home-columns, .home-band, .teaching-philosophy { grid-template-columns: 1fr; }
  .project-featured { grid-column: auto; }
  .home-band, .teaching-philosophy { margin-top: 4rem; margin-bottom: 4rem; }
  .home-columns { gap: 3rem; }
  .publication-item { padding-left: 0; padding-top: 2.8rem; }
  .publication-item .pub-year { top: 1rem; }
  .teaching-item { grid-template-columns: 1fr; }
  .teaching-item > *, .teaching-item .teaching-date { grid-column: 1; grid-row: auto; }
  .teaching-item .teaching-date { margin-bottom: 0.55rem; }
  .talk-featured { margin-inline: 0; padding-inline: 1.25rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .research-card, .project-card { transition: none; }
  .network-background-canvas { opacity: 0.72; }
}