:root {
  --paper: #f6f8fa;
  --white: #fff;
  --ink: #132c3a;
  --text: #253d4b;
  --muted: #566d79;
  --line: #d6e0e6;
  --wash: #eaf0f4;
  --accent: #347687;
  --mint: #d0e5ea;
  --frontier: #753d58;
  --frontier-wash: #f3e8ee;
  --frontier-line: #a17a8b;
  --font: 'Manrope', Arial, sans-serif;
  --body-size: 16px;
  --meta-size: 13px;
  --control-size: 14px;
  --title-size: 22px;
  --section-size: 36px;
  --max: 1328px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 126px; }
body { margin: 0; background: var(--paper); color: var(--text); font: 400 var(--body-size)/1.8 var(--font); -webkit-font-smoothing: antialiased; }
button, input, textarea, select { font: inherit; color: inherit; border-radius: 0; }
button, a, input, select, textarea { -webkit-tap-highlight-color: transparent; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; background: none; border: 0; }
img, svg { display: block; max-width: 100%; }
button:focus-visible, a:focus-visible, summary:focus-visible { outline: 3px solid var(--accent); outline-offset: 5px; }
::selection { background: var(--mint); color: var(--ink); }
h1, h2, h3, h4, p, figure { margin: 0; }
h1, h2, h3, h4 { color: var(--ink); font-weight: 500; }
h2 { font-size: var(--section-size); line-height: 1.2; letter-spacing: -.045em; }
h3, h4 { font-size: var(--title-size); font-weight: 500; line-height: 1.4; letter-spacing: -.025em; }
p { color: var(--muted); }
.icon { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; flex-shrink: 0; }
.icon-library { position: absolute; width: 0; height: 0; overflow: hidden; }
.eyebrow { font-size: var(--meta-size); font-weight: 500; line-height: 1.65; color: var(--accent); }
.section { max-width: var(--max); margin: auto; padding: 56px 44px; }
.section-heading-row { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px 24px; margin-bottom: 28px; }
.button, .text-link, .main-nav > a, .filter-button, summary, .team-links { font-size: var(--control-size); font-weight: 500; line-height: 1.5; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 20px; min-height: 48px; padding: 13px 18px; text-align: center; transition: background .2s; }
.button-dark { background: var(--ink); color: #f7fbfd; }
.button-dark:hover { background: #254c60; }
.button-small { min-height: 44px; padding: 11px 14px; gap: 14px; }
.text-link { display: inline-flex; align-items: center; justify-content: flex-start; gap: 10px; }
.text-link:hover { text-decoration: underline; text-underline-offset: 5px; }
.text-link .icon { width: 17px; height: 17px; }
.sr-only { position: absolute !important; width: 1px; height: 1px; padding: 0; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; z-index: 100; top: -90px; left: 16px; background: var(--ink); color: white; padding: 12px 20px; }
.skip-link:focus { top: 12px; }
[hidden] { display: none !important; }

/* A large, simple identity and three navigation links. */
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(246,248,250,.97); border-bottom: 1px solid var(--line); backdrop-filter: blur(14px); }
.header-inner { max-width: 1536px; margin: auto; min-height: 106px; padding: 16px 44px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 22px; flex-shrink: 0; }
.pcc-wordmark { font-size: 56px; font-weight: 700; line-height: 1; letter-spacing: -.09em; color: var(--ink); }
.wordmark-dot { color: var(--accent); }
.pcc-brand-meta { padding-left: 22px; border-left: 1px solid #c3d1dc; font-size: var(--body-size); font-weight: 500; line-height: 1.4; letter-spacing: -.02em; }
.main-nav { display: flex; align-items: center; gap: 30px; }
.main-nav > a { position: relative; white-space: nowrap; padding: 10px 0; }
.main-nav > a::after { content: ''; height: 1px; background: var(--accent); position: absolute; left: 0; right: 100%; bottom: 5px; transition: right .2s; }
.main-nav > a:hover::after, .main-nav > a.active::after { right: 0; }
.menu-toggle { display: none; width: 44px; height: 44px; padding: 10px; flex-shrink: 0; }
.menu-toggle span { height: 1.5px; background: var(--ink); display: block; margin: 6px 0; transition: transform .2s; }
.menu-toggle[aria-expanded='true'] span:first-child { transform: translateY(3.75px) rotate(45deg); }
.menu-toggle[aria-expanded='true'] span:last-child { transform: translateY(-3.75px) rotate(-45deg); }

/* Original two-column hero, with an enlarged globe on a transparent canvas. */
.hero { display: grid; grid-template-columns: 1.08fr .92fr; max-width: 1536px; margin: auto; border-bottom: 1px solid var(--line); }
.hero-copy { padding: 48px 38px 48px 44px; display: flex; flex-direction: column; align-items: flex-start; justify-content: center; min-width: 0; }
.hero h1 { font-size: clamp(46px, 5.35vw, 81px); line-height: 1.045; letter-spacing: -.065em; }
.hero h1 > span:not(.hero-period) { color: #386879; }
.hero-period { color: var(--accent); }
.hero-overview { max-width: 490px; margin: 26px 0 28px; color: #496371; }
.hero-actions { display: flex; align-items: center; gap: 22px; flex-wrap: wrap; }
.hero-visual { position: relative; min-width: 0; margin: 8px 8px 14px 0; }
.hero-map { --map-diameter: min(620px, calc(46vw - 8px)); background: transparent; color: var(--ink); }
.map-stage { position: relative; height: 620px; }
.map-image-link { display: block; position: absolute; inset: 0; cursor: zoom-in; }
.map-image-link:focus-visible { outline-offset: -4px; outline-color: var(--accent); }
.hero-map picture, .hero-map img { display: block; width: 100%; height: 100%; }
.hero-map img { object-fit: contain; object-position: center; }
.hero-map figcaption { max-width: 540px; margin: 0 auto; padding: 0 12px; font-size: var(--meta-size); line-height: 1.6; }
.map-expand { position: absolute; top: 6px; right: 12px; min-height: 44px; color: var(--ink); font-size: var(--meta-size); }
.map-expand:focus-visible { outline-color: var(--accent); }
.map-key { display: flex; justify-content: center; align-items: flex-start; gap: 30px; }
.pe-key { flex: 0 1 160px; }
.pe-key-bar { height: 7px; margin: 5px 0 2px; background: linear-gradient(90deg, #8C3150, #C8644B, #F4B48A, #F6F1E5, #8BD8CF, #239FAD, #134A70); }
.pe-key-ticks { display: flex; justify-content: space-between; }
.wind-key { flex-shrink: 0; }
.wind-key-scale { display: flex; align-items: center; gap: 8px; margin-top: 6px; }
.wind-key-scale svg { width: calc(var(--map-diameter) * .053333333); height: auto; max-width: none; }
.wind-key-scale svg path { fill: #FFF8E8; stroke: #143F51; stroke-width: .5; stroke-linejoin: round; }
.map-data { margin-top: 0; }
.map-data > summary { justify-content: center; gap: 8px; font-size: var(--meta-size); color: var(--muted); }
.map-data > summary .icon { width: 13px; height: 13px; }
.map-data p { padding: 0 4px 14px; font-size: var(--meta-size); }
.map-data p a { text-decoration: underline; text-underline-offset: 3px; }
.publication-year, .publication p, .pi-activity, .footer-bottom { font-size: var(--meta-size); line-height: 1.65; }

/* Research themes live in one compact publication filter row. */
.anchor-alias { display: block; height: 0; }
.publication-controls { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 18px; padding-bottom: 18px; border-bottom: 1px solid var(--line); }
.filter-buttons { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.filter-button { min-height: 44px; padding: 10px 14px; color: var(--ink); white-space: nowrap; transition: background .2s; border: 1px solid var(--line); }
.filter-button:hover { background: #dce8ef; }
.filter-button.active { background: var(--ink); border-color: var(--ink); color: #f7fbff; }
.filter-button[data-filter="frontiers"] { color: var(--frontier); background: var(--frontier-wash); border-color: var(--frontier-line); }
.filter-button[data-filter="frontiers"]:hover { background: #ead7e0; }
.filter-button[data-filter="frontiers"].active { color: #fff8fb; background: var(--frontier); border-color: var(--frontier); }
.filter-button[data-filter="frontiers"].active:hover { background: #603047; border-color: #603047; }
.filter-button[data-filter="frontiers"]:focus-visible { outline-color: var(--frontier); }
.publication-search { display: flex; align-items: center; gap: 8px; border-bottom: 1px solid #b5c9d7; min-height: 44px; padding: 8px 0 8px 7px; max-width: 210px; margin-left: auto; }
.publication-search .icon { width: 17px; height: 17px; color: #567488; }
.publication-search input { border: none; outline: none; background: transparent; min-width: 0; width: 160px; font-size: var(--body-size); line-height: 1.5; color: var(--ink); }
.publication-search input::placeholder { color: #536f80; }
.publication-search:focus-within { outline: 2px solid var(--accent); outline-offset: 4px; }
.publication { display: grid; grid-template-columns: 65px minmax(0, 1fr) 58px; gap: 20px; align-items: start; border-bottom: 1px solid var(--line); padding: 23px 0; }
.publication-year { color: #436777; padding-top: 5px; }
.publication h3 { max-width: 960px; margin-bottom: 8px; }
.publication h3 a:hover { text-decoration: underline; text-underline-offset: 4px; }
.publication p { color: #597184; }
.publication .journal { color: #3c5c70; margin-top: 2px; }
.publication-footer { display: flex; justify-content: flex-end; margin-top: 18px; }
.publication-footer .text-link { min-height: 44px; }
.frontiers-panel { padding: 30px 0; border-bottom: 1px solid var(--line); }
.frontiers-intro { margin-bottom: 18px; color: var(--frontier); }
.frontiers-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px; align-items: start; }
.frontiers-copy { max-width: 820px; padding-left: 22px; border-left: 2px solid var(--frontier); }
.frontiers-copy h3 { margin: 0 0 12px; }
.frontiers-copy p { max-width: 750px; }
.doi-link { display: flex; align-items: center; justify-content: flex-end; gap: 8px; font-size: var(--control-size); line-height: 1.5; padding: 6px 0 12px; }
.doi-link .icon { width: 16px; height: 16px; }
.doi-link:hover { color: var(--accent); }
.empty-state { text-align: center; padding: 40px 20px; border-bottom: 1px solid var(--line); }
.empty-state p { margin: 10px 0 20px; }
summary { list-style: none; display: flex; align-items: center; justify-content: space-between; gap: 16px; cursor: pointer; min-height: 44px; }
summary::-webkit-details-marker { display: none; }
summary .icon { width: 17px; height: 17px; transition: transform .2s; }
details[open] > summary .icon { transform: rotate(45deg); }

/* People holds the PI, activity, opportunities, and practical details. */
.people-section { padding-top: 22px; }
.pi-profile { display: grid; grid-template-columns: 250px minmax(0, 1fr); background: var(--white); border: 1px solid var(--line); scroll-margin-top: 126px; }
.pi-portrait { position: relative; align-self: start; width: 100%; aspect-ratio: 4 / 5; min-height: 0; background: #e4edf2; overflow: hidden; }
/* A 640 × 800 viewport at source x = 148, y = 352 keeps the complete head wrap and shoulders visible. */
.pi-portrait img { position: absolute; display: block; left: -23.125%; bottom: 0; width: 240%; height: auto; max-width: none; }
.pi-copy { padding: 28px 34px; min-width: 0; }
.pi-copy h3 { margin: 8px 0 6px; }
.pi-copy > p { max-width: 700px; }
.pi-activity { display: flex; align-items: baseline; gap: 7px 14px; flex-wrap: wrap; margin: 18px 0; }
.pi-activity > span { color: var(--muted); }
.pi-activity > a { display: inline-flex; align-items: center; gap: 8px; color: var(--ink); }
.pi-activity .icon { width: 14px; height: 14px; }
.pi-activity a:hover { text-decoration: underline; text-underline-offset: 4px; }
.profile-links { display: flex; flex-wrap: wrap; gap: 20px; align-items: center; }
.pi-contact-links { display: flex; flex-wrap: wrap; align-items: flex-start; gap: 12px 30px; margin-top: 20px; padding-top: 12px; border-top: 1px solid var(--line); }
.pi-location { flex: 1 1 145px; min-width: 0; }
.pi-location > summary { justify-content: flex-start; width: fit-content; color: #315f75; }
.pi-location[open] { flex-basis: 100%; }
.pi-location-content { padding: 18px 0 5px; }
.pi-location-content address { font-size: var(--meta-size); line-height: 1.8; font-style: normal; color: var(--muted); }
.pi-location-content strong { color: var(--ink); font-weight: 500; }
.lab-instrument-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin: 22px 0; }
.lab-instrument { min-width: 0; padding: 16px 18px; border: 1px solid var(--line); }
.lab-instrument dt { color: var(--ink); font-size: var(--body-size); font-weight: 600; line-height: 1.5; }
.lab-instrument dd { margin: 8px 0 0; color: var(--muted); font-size: var(--meta-size); line-height: 1.8; }
.instrument-note { display: block; margin-top: 8px; }
.lab-visit { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px 24px; }
.lab-visit address .text-link { font: inherit; text-decoration: underline; text-underline-offset: 4px; }
.lab-deliveries { margin-top: 18px; padding-top: 8px; border-top: 1px solid var(--line); }
.lab-deliveries > summary { justify-content: flex-start; gap: 10px; color: var(--muted); }
.lab-deliveries address { padding: 4px 0 10px; }
.location-links { grid-column: 1/-1; display: flex; flex-wrap: wrap; gap: 14px 24px; }
.group-invitation { margin-top: 23px; }
.group-invitation a { display: inline-flex; align-items: center; gap: 8px; max-width: 100%; color: var(--ink); text-decoration: underline; text-underline-offset: 4px; margin-left: 5px; }
.group-invitation a span { min-width: 0; overflow-wrap: anywhere; }
.group-invitation .icon { width: 16px; height: 16px; }
.team-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 25px; margin-top: 28px; }
.team-card { border-top: 1px solid var(--line); padding-top: 20px; display: grid; grid-template-columns: 49px minmax(0, 1fr); gap: 15px; }
.team-avatar { height: 49px; width: 49px; background: #e6edf2; display: flex; align-items: center; justify-content: center; border-radius: 50%; color: #7b98a8; }
.team-avatar svg { width: 34px; height: 34px; stroke: currentColor; fill: none; stroke-width: 1; }
.team-info h4 { margin: 3px 0 6px; }
.team-links { display: flex; gap: 15px; flex-wrap: wrap; color: #536c7c; }
.team-links:has(a) { margin-top: 10px; }
.team-links a { color: var(--ink); text-decoration: underline; text-underline-offset: 3px; }

.site-footer { max-width: var(--max); margin: auto; padding: 22px 44px; border-top: 1px solid var(--line); }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 10px 24px; color: var(--muted); }
.footer-bottom a:hover { text-decoration: underline; text-underline-offset: 4px; }

@media (max-width: 1100px) {
  .header-inner { padding-inline: 32px; }
  .hero-copy { padding-left: 32px; padding-right: 28px; }
  .section { padding-inline: 32px; }
  .site-footer { padding-inline: 32px; }
  .pi-profile { grid-template-columns: 215px minmax(0, 1fr); }
  .pi-copy { padding: 27px; }
}
@media (max-width: 1024px) {
  html { scroll-padding-top: 110px; }
  .header-inner { min-height: 90px; }
  .pcc-wordmark { font-size: 52px; }
  .menu-toggle { display: block; }
  .main-nav { display: none; position: absolute; top: 100%; left: 0; right: 0; padding: 18px 32px; background: var(--paper); border-bottom: 1px solid var(--line); gap: 12px; }
  .main-nav.open { display: flex; flex-direction: column; align-items: stretch; }
  .main-nav > a { padding: 12px 0; }
  .main-nav > a::after { display: none; }
  .hero h1 { font-size: clamp(43px, 5.35vw, 55px); }
  .map-stage { height: 520px; }
  .hero-map { --map-diameter: min(520px, calc(46vw - 8px)); }
  .pi-profile { scroll-margin-top: 110px; }
  .publication-controls { gap: 15px 20px; }
}
@media (max-width: 800px) {
  .frontiers-grid { grid-template-columns: 1fr; gap: 26px; }
  .hero { grid-template-columns: 1fr; }
  .hero-copy { padding: 42px 32px 34px; }
  .hero h1 { font-size: clamp(46px, 8.1vw, 65px); }
  .hero-overview { max-width: 610px; }
  .hero-visual { margin: 0 16px 24px; }
  .map-stage { height: min(620px, calc(100vw - 32px)); }
  .hero-map { --map-diameter: min(620px, calc(100vw - 32px)); }
  .pi-profile { grid-template-columns: 175px minmax(0, 1fr); }
  .pi-copy { padding: 24px; }
  .team-grid { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .lab-instrument-grid { grid-template-columns: 1fr; }
  :root { --section-size: 32px; }
  html { scroll-padding-top: 100px; }
  .header-inner { min-height: 80px; padding: 15px 22px; gap: 10px; }
  .brand { gap: 16px; }
  .pcc-wordmark { font-size: 43px; }
  .pcc-brand-meta { padding-left: 16px; font-size: var(--meta-size); }
  .main-nav { padding: 16px 22px; }
  .hero-copy { padding: 34px 22px 30px; }
  .hero h1 { font-size: clamp(42px, 9vw, 54px); }
  .hero-overview { margin: 22px 0 24px; }
  .hero-actions { width: 100%; }
  .map-expand { top: 0; right: 0; }
  .section { padding: 40px 22px; }
  .section-heading-row { margin-bottom: 23px; }
  .people-section { padding-top: 12px; }
  .pi-profile { scroll-margin-top: 100px; }
  .publication-controls { align-items: flex-start; }
  .filter-buttons { gap: 8px; }
  .publication-search { max-width: none; width: 100%; margin-left: 0; padding-left: 0; }
  .publication-search input { width: 100%; }
  .publication { grid-template-columns: minmax(0, 1fr) 56px; gap: 5px 12px; padding: 21px 0; }
  .publication-year { grid-column: 1; padding: 0 0 4px; }
  .publication > div { grid-column: 1/-1; grid-row: 2; }
  .doi-link { grid-column: 2; grid-row: 1; padding: 0; }
  .pi-profile { grid-template-columns: 1fr; }
  .pi-portrait { width: min(220px, calc(100% - 42px)); margin: 24px auto 0; }
  .pi-copy { padding: 24px 21px; }
  .profile-links { gap: 14px 18px; }
  .pi-activity { flex-direction: column; gap: 4px; }
  .pi-contact-links { gap: 3px 20px; }
  .pi-location { flex-basis: 100%; }
  .group-invitation a { margin: 7px 0 0; }
  .site-footer { padding: 22px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: 7px; }
}
@media (max-width: 370px) {
  .header-inner { padding-inline: 17px; }
  .brand { gap: 11px; }
  .pcc-wordmark { font-size: 38px; }
  .pcc-brand-meta { padding-left: 11px; }
  .hero h1 { font-size: 38px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}
@media print {
  .site-header, .hero-map, .publication-controls, .doi-link, .pi-portrait { display: none !important; }
  body { background: white; color: black; }
  .section { padding: 24px 0; }
  .hero { display: block; }
  .hero-copy { display: block; padding: 0; }
  .hero h1 { font-size: 36pt; margin-top: 20px; }
  .hero-overview { max-width: none; }
  .button { background: none; color: black; padding-left: 0; }
  .pi-profile { display: block; }
  .pi-copy { padding: 16px 0; border: none; }
  .publication { grid-template-columns: 65px 1fr; break-inside: avoid; }
  .publication[hidden] { display: grid !important; }
  .site-footer { padding: 20px 0; }
}