@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Manrope:wght@400;500;600;700;800&display=swap');

:root {
  --paper: #fcfaff;
  --ink: #302a36;
  --purple: #684582;
  --purple-dark: #4b2f60;
  --purple-light: #a982bd;
  --muted: #68606e;
  --line: #dfd6e4;
  --soft: #f3edf7;
  --white: #ffffff;
  --shadow: 0 20px 55px rgba(75, 47, 96, .12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 96px; }
body { margin: 0; overflow-x: hidden; background: var(--paper); color: var(--ink); font-family: 'DM Sans', sans-serif; font-size: 17px; line-height: 1.7; }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--purple); }
button, a, summary { -webkit-tap-highlight-color: transparent; }
a:focus-visible, button:focus-visible, summary:focus-visible { outline: 3px solid var(--purple-light); outline-offset: 5px; }
button { font: inherit; }
h1, h2, h3, p, figure { margin: 0; }
h1, h2, h3 { font-family: Manrope, sans-serif; }
h2 { font-size: clamp(34px, 3.4vw, 48px); line-height: 1.2; letter-spacing: -1.8px; font-weight: 500; }
h2 em, .hero-subtitle em { font-family: Georgia, serif; font-weight: 400; color: var(--purple); }
p + p { margin-top: 20px; }
svg { display: block; }
.icon-sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
.header, main, footer { width: min(1180px, 88%); margin-inline: auto; }

.header { min-height: 96px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); gap: 32px; }
.wordmark { font-family: Georgia, serif; font-size: 42px; letter-spacing: -4px; font-weight: bold; flex: 0 0 auto; }
.wordmark span, .accent { color: var(--purple-light); }
nav { display: flex; align-items: center; gap: clamp(18px, 2.4vw, 34px); font-size: 14px; }
nav a { position: relative; padding: 10px 0; }
nav a::after { content: ''; position: absolute; left: 0; right: 100%; bottom: 4px; height: 1px; background: var(--purple); transition: right .25s ease; }
nav a:hover::after { right: 0; }
.menu-button { display: none; border: 0; background: transparent; color: var(--ink); padding: 8px; }
.menu-button span:not(.sr-only) { display: block; width: 24px; height: 2px; background: currentColor; margin: 5px 0; transition: transform .2s ease; }

.hero { display: grid; grid-template-columns: 1.4fr 1fr; gap: 76px; align-items: center; padding: 82px 0 76px; }
.eyebrow { display: block; color: var(--purple); font-size: 11px; letter-spacing: 1.8px; font-weight: 700; }
.status-dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--purple-light); margin-right: 9px; box-shadow: 0 0 0 5px rgba(169,130,189,.13); }
h1 { font-size: clamp(50px, 5.1vw, 70px); line-height: 1.1; font-weight: 500; letter-spacing: -3.5px; margin: 25px 0; }
.hero-subtitle { font-size: clamp(24px, 2.3vw, 29px); line-height: 1.45; }
.hero-description { color: var(--muted); max-width: 570px; font-size: 17px; margin-top: 23px; }
.hero-actions { display: flex; align-items: center; gap: 24px; margin-top: 34px; }
.button { display: inline-flex; align-items: center; gap: 22px; padding: 14px 21px; background: var(--purple); color: var(--white); font-size: 14px; border-radius: 4px; transition: transform .2s ease, background .2s ease, box-shadow .2s ease; }
.button svg, .paper-link svg { width: 16px; height: 16px; fill: currentColor; }
.button:hover { background: var(--purple-dark); color: var(--white); transform: translateY(-2px); box-shadow: 0 8px 22px rgba(75,47,96,.2); }
.social-links { display: flex; gap: 10px; }
.social-link { width: 43px; height: 43px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 50%; background: var(--white); transition: transform .2s ease, border-color .2s ease, background .2s ease; }
.social-link svg { width: 21px; height: 21px; fill: currentColor; }
.social-link:hover { transform: translateY(-3px); border-color: var(--purple-light); background: var(--soft); }

.portrait { position: relative; margin-right: 22px; }
.portrait img { display: block; width: 100%; height: 430px; object-fit: cover; object-position: center 30%; border-radius: 190px 190px 8px 8px; background: var(--soft); filter: saturate(.85); }
.portrait::after { content: ''; position: absolute; inset: -13px 13px 46px -13px; border: 1px solid rgba(104,69,130,.26); border-radius: 205px 205px 12px 12px; z-index: -1; }
.portrait figcaption { display: flex; justify-content: space-between; gap: 10px; font-size: 11px; color: var(--muted); margin-top: 17px; }
.portrait-note { position: absolute; right: -31px; top: 88px; writing-mode: vertical-rl; font-size: 9px; letter-spacing: 2px; }

.topic-strip { display: flex; justify-content: space-between; align-items: center; border-block: 1px solid var(--line); padding: 22px 0; color: var(--muted); font-size: 14px; }
.topic-strip span:nth-child(even) { color: var(--purple-light); font-size: 20px; }
.section { padding: 84px 0; border-bottom: 1px solid var(--line); }
.split { display: grid; grid-template-columns: 1fr 1.12fr; gap: 78px; }
.section .eyebrow { margin-bottom: 24px; }
.about-copy p { color: var(--muted); font-size: 16px; }
.about-copy p.lead { color: var(--ink); font-size: 21px; line-height: 1.62; }
.about-copy a { text-decoration: underline; text-underline-offset: 4px; text-decoration-color: var(--purple-light); }
.small-facts { display: flex; flex-wrap: wrap; gap: 58px; margin-top: 37px; }
.small-facts .eyebrow { font-size: 10px; margin-bottom: 6px; }
.small-facts strong { font-size: 14px; font-weight: 600; }
.section-heading { display: flex; justify-content: space-between; align-items: flex-end; gap: 25px; margin-bottom: 40px; }
.section-heading > p { color: var(--muted); font-size: 14px; }

.education-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.education-card { position: relative; min-height: 245px; padding: 27px 25px; border: 1px solid var(--line); border-radius: 8px; background: var(--white); transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease; }
.education-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); border-color: #c9b4d5; }
.education-card--current { border-color: #cdb7d9; background: linear-gradient(145deg, var(--white), var(--soft)); }
.education-card--current::before { content: ''; position: absolute; top: 28px; right: 25px; width: 8px; height: 8px; border-radius: 50%; background: var(--purple-light); box-shadow: 0 0 0 5px rgba(169,130,189,.13); }
.education-meta { display: flex; justify-content: space-between; gap: 18px; padding-right: 20px; color: var(--purple); font-size: 10px; font-weight: 700; letter-spacing: 1.2px; }
.education-card h3 { margin-top: 29px; font-size: 21px; line-height: 1.35; font-weight: 600; letter-spacing: -.45px; }
.education-card p { color: var(--muted); font-size: 14px; line-height: 1.58; margin-top: 13px; }
.education-card .education-place { color: var(--purple); font-weight: 600; margin-top: 8px; }

.research-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.research-card { overflow: hidden; border: 1px solid var(--line); border-radius: 8px; background: var(--white); transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease; }
.research-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: #c9b4d5; }
.research-card--photonic { border-color: #cdb7d9; box-shadow: inset 0 0 0 1px rgba(104,69,130,.05); }
.research-image { position: relative; height: 155px; overflow: hidden; background: var(--soft); }
.research-image::after { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(252,250,255,.29), rgba(104,69,130,.2)); pointer-events: none; transition: opacity .35s ease; }
.research-image img { display: block; width: 100%; height: 100%; object-fit: cover; opacity: .74; filter: blur(1.1px) saturate(.54) contrast(.86) brightness(1.09); transform: scale(1.035); transition: transform .45s ease, filter .4s ease, opacity .4s ease; }
.research-card:hover .research-image img { opacity: .91; filter: blur(.25px) saturate(.78) contrast(.94) brightness(1.04); transform: scale(1.07); }
.research-card:hover .research-image::after { opacity: .38; }
.research-card-content { padding: 21px 20px 23px; }
.card-topline { display: flex; align-items: center; justify-content: space-between; gap: 18px; margin-bottom: 17px; }
.card-number { font-size: 12px; color: var(--muted); }
.research-card h3 { font-size: 18px; line-height: 1.4; font-weight: 600; letter-spacing: -.45px; }
.research-card p { color: var(--muted); font-size: 14px; line-height: 1.58; margin-top: 11px; }
.tag { color: var(--purple); font-size: 10px; font-weight: 700; letter-spacing: 1.25px; text-align: right; }

.icon-text-link { display: inline-flex; align-items: center; gap: 9px; font-size: 14px; }
.icon-text-link svg { width: 21px; height: 21px; fill: currentColor; }
.text-link:hover, .contact-links a:hover { text-decoration: underline; text-underline-offset: 5px; }
.filters { display: flex; gap: 9px; flex-wrap: wrap; margin-bottom: 30px; }
.filters[hidden] { display: none; }
.filters button { border: 1px solid var(--line); background: transparent; padding: 9px 17px; border-radius: 30px; color: var(--muted); font-size: 13px; cursor: pointer; transition: background .2s ease, color .2s ease; }
.filters button[aria-pressed='true'] { background: var(--purple); border-color: var(--purple); color: var(--white); }
.publication[hidden] { display: none; }
.publication--visual { display: grid; grid-template-columns: minmax(275px, .8fr) 1.2fr; min-height: 400px; background: var(--soft); border: 1px solid #e2d4e9; border-radius: 9px; overflow: hidden; transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease; }
.publication--visual:hover { transform: translateY(-5px); box-shadow: var(--shadow); border-color: #c9b4d5; }
.publication-visual-wrap { display: flex; flex-direction: column; justify-content: center; min-width: 0; padding: 18px; background: var(--white); }
.publication-figure { position: relative; display: flex; align-items: center; justify-content: center; min-width: 0; background: var(--white); }
.publication-figure img { display: block; width: 100%; height: auto; max-height: 355px; object-fit: contain; }
.paper-conceptors { padding-bottom: 48px; }
.publication-figure > span { position: absolute; left: 24px; bottom: 24px; display: inline-flex; align-items: center; gap: 9px; padding: 10px 14px; border-radius: 3px; background: rgba(48,42,54,.9); color: var(--white); font-size: 13px; }
.publication-figure > span svg { width: 15px; height: 15px; fill: currentColor; }
.publication-figure:hover > span { background: var(--purple); }
.figure-switcher { display: flex; flex-wrap: wrap; gap: 6px; padding: 11px; border-top: 1px solid var(--line); background: var(--white); }
.figure-switcher button { flex: 1 1 auto; border: 1px solid var(--line); border-radius: 3px; background: transparent; color: var(--muted); padding: 7px 8px; font-size: 11px; cursor: pointer; }
.figure-switcher button:hover { color: var(--purple); border-color: var(--purple-light); }
.figure-switcher button[aria-pressed='true'] { background: var(--purple); border-color: var(--purple); color: var(--white); }
.publication--visual > .publication-content { padding: 32px; }
.pub-meta { display: flex; align-items: baseline; gap: 17px; margin-bottom: 18px; }
.pub-meta span:first-child { font: 500 23px Manrope, sans-serif; }
.pub-meta span:last-child { color: var(--muted); font-size: 10px; letter-spacing: 1.3px; }
.featured-label { display: inline-block; color: var(--purple); font-size: 10px; font-weight: 700; letter-spacing: 1.4px; margin-bottom: 10px; }
.publication h3 { max-width: 820px; font-size: 21px; line-height: 1.45; font-weight: 600; letter-spacing: -.45px; }
.publication h3 a { background-image: linear-gradient(var(--purple-light),var(--purple-light)); background-position: 0 100%; background-size: 0 1px; background-repeat: no-repeat; transition: background-size .25s ease; }
.publication h3 a:hover { background-size: 100% 1px; }
.authors { color: var(--muted); font-size: 14px; margin-top: 10px; }
.authors strong { color: var(--ink); font-weight: 600; }
.venue { color: var(--muted); font-size: 14px; font-style: italic; margin-top: 4px; }
.result-stat { display: flex; gap: 15px; align-items: center; margin-top: 18px; padding: 12px 0; border-block: 1px solid #d8c9e1; }
.result-stat strong { flex: 0 0 auto; color: var(--purple); font: 500 29px Manrope, sans-serif; letter-spacing: -1px; white-space: nowrap; }
.result-stat span { color: var(--muted); font-size: 13px; line-height: 1.45; max-width: 340px; }
details { color: var(--muted); font-size: 14px; margin-top: 13px; }
summary { width: fit-content; color: var(--purple); cursor: pointer; font-weight: 600; }
details p { max-width: 700px; margin: 10px 0; }
.publication-links { display: flex; flex-wrap: wrap; gap: 22px; }
.paper-link { display: inline-flex; align-items: center; gap: 7px; color: var(--purple); border-bottom: 1px solid #bda7c9; font-size: 13px; margin-top: 13px; padding-bottom: 2px; }
.publication-list { display: grid; gap: 14px; margin-top: 14px; }
.publication-list .publication--visual { min-height: 0; }
.publication-content { min-width: 0; }
.publication-preview--pdf { display: grid; width: 100%; grid-template-columns: minmax(0, 1fr); gap: 10px; }
.publication-preview--pdf a { display: block; min-width: 0; }

.events-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.event-card { border: 1px solid var(--line); border-radius: 8px; overflow: hidden; background: var(--white); transition: transform .25s ease, box-shadow .25s ease; }
.event-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.event-card--large { grid-column: span 2; display: grid; grid-template-columns: 1.08fr 1fr; min-height: 430px; }
.event-photo { position: relative; min-height: 270px; background-position: center; background-size: cover; overflow: hidden; }
.event-photo::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(48,25,58,.05), rgba(48,25,58,.4)); }
.event-photo--rcc { background-image: linear-gradient(180deg,rgba(63,37,77,.02),rgba(63,37,77,.22)), url('assets/rcc-2026.jpg'), url('assets/gemma.jpg'); }
.event-photo--wcci { background-image: linear-gradient(135deg,rgba(92,48,122,.15),rgba(50,26,66,.55)), url('assets/wcci-2026.jpg'), url('assets/gemma.jpg'); }
.event-photo--mlph { background-image: linear-gradient(135deg,rgba(47,29,61,.12),rgba(92,48,122,.55)), url('assets/mlph-2026.jpg'), url('assets/gemma.jpg'); }
.event-type { position: absolute; top: 18px; left: 18px; z-index: 1; background: rgba(252,250,255,.93); color: var(--purple-dark); border-radius: 20px; padding: 6px 11px; font-size: 10px; font-weight: 700; letter-spacing: 1.2px; }
.event-monogram { position: absolute; z-index: 1; left: 25px; bottom: 18px; color: var(--white); font: 600 47px/1 Manrope, sans-serif; letter-spacing: -2px; }
.event-content { padding: 30px; }
.event-card--large .event-content { display: flex; flex-direction: column; justify-content: center; padding: 43px; }
.event-date { display: flex; justify-content: space-between; gap: 15px; color: var(--purple); font-size: 11px; font-weight: 700; letter-spacing: 1.2px; }
.event-role { display: inline-block; width: fit-content; margin-top: 18px; padding: 5px 9px; border-radius: 3px; background: var(--soft); color: var(--purple); font-size: 10px; font-weight: 700; letter-spacing: 1.2px; }
.event-content h3 { font-size: 24px; line-height: 1.35; letter-spacing: -.6px; margin-top: 16px; }
.event-place { color: var(--purple); font-size: 14px; font-weight: 600; margin-top: 8px; }
.event-content > p:not(.event-place) { color: var(--muted); font-size: 15px; margin-top: 16px; }
.event-links { display: flex; flex-wrap: wrap; gap: 18px; }

.contact { margin: 72px 0; padding: 58px 62px; border-radius: 8px; background: var(--purple); color: #fbf7fd; position: relative; overflow: hidden; }
.contact::after { content: ''; position: absolute; width: 360px; height: 360px; border: 1px solid rgba(255,255,255,.18); border-radius: 50%; right: -90px; top: -130px; box-shadow: 0 0 0 50px rgba(255,255,255,.025), 0 0 0 100px rgba(255,255,255,.018); pointer-events: none; }
.contact .eyebrow { color: #e2caed; margin-bottom: 23px; }
.contact h2 { font-size: clamp(44px, 4.5vw, 59px); }
.contact h2 em { color: #dec4e9; }
.contact > p:not(.eyebrow) { color: #eadfed; font-size: 15px; margin-top: 19px; }
.email { display: inline-block; overflow-wrap: anywhere; border-bottom: 1px solid #aa87ba; font-size: clamp(18px, 2.4vw, 29px); margin-top: 26px; padding-bottom: 8px; position: relative; z-index: 1; }
.contact a:hover { color: #f0dafa; }
.email span { margin-left: 18px; }
.contact-links { display: flex; flex-wrap: wrap; gap: 13px; margin-top: 32px; position: relative; z-index: 1; }
.contact-links a { display: inline-flex; align-items: center; gap: 9px; min-height: 43px; padding: 8px 14px; border: 1px solid rgba(255,255,255,.3); border-radius: 4px; font-size: 14px; }
.contact-links svg { width: 20px; height: 20px; fill: currentColor; }
footer { display: flex; justify-content: space-between; gap: 20px; padding: 0 0 32px; color: var(--muted); font-size: 12px; }

.skip-link { position: absolute; top: -100px; left: 15px; z-index: 10; background: var(--white); padding: 10px; }
.skip-link:focus { top: 10px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

@media (max-width: 1050px) {
  .hero { gap: 48px; }
  .research-grid { grid-template-columns: repeat(2, 1fr); gap: 18px; }
  .research-image { height: 190px; }
  .publication--visual { grid-template-columns: .85fr 1.15fr; }
}

@media (max-width: 820px) {
  body { font-size: 16px; }
  .header { min-height: 78px; position: relative; }
  .menu-button { display: block; margin-left: auto; cursor: pointer; }
  .menu-button[aria-expanded='true'] span:first-child { transform: translateY(3.5px) rotate(45deg); }
  .menu-button[aria-expanded='true'] span:nth-child(2) { transform: translateY(-3.5px) rotate(-45deg); }
  nav { display: none; position: absolute; z-index: 5; left: 0; right: 0; top: 77px; padding: 18px 6%; background: var(--paper); border-bottom: 1px solid var(--line); box-shadow: 0 12px 25px rgba(75,47,96,.08); flex-direction: column; align-items: flex-start; gap: 5px; }
  nav[data-open='true'] { display: flex; }
  nav a { width: 100%; font-size: 16px; padding: 9px 0; }
  .hero { grid-template-columns: 1fr; gap: 48px; padding: 55px 0; }
  .hero-copy { max-width: 650px; }
  .portrait { max-width: 390px; width: 83%; margin: 0 auto; }
  .portrait img { height: 400px; }
  .topic-strip { flex-wrap: wrap; justify-content: center; gap: 11px 22px; font-size: 13px; }
  .topic-strip span:nth-child(even) { display: none; }
  .section { padding: 60px 0; }
  .split { grid-template-columns: 1fr; gap: 32px; }
  .education-grid { grid-template-columns: 1fr; }
  .education-card { min-height: 0; }
  .publication--visual { grid-template-columns: 1fr; }
  .publication-list .publication--visual { grid-template-columns: 1fr; }
  .publication-figure img { max-height: 320px; }
  .event-card--large { display: block; }
}

@media (max-width: 600px) {
  .header, main, footer { width: min(90%, 500px); }
  h1 { font-size: clamp(43px, 13vw, 56px); }
  .surname-break { display: block; }
  .hero-subtitle { font-size: 23px; }
  .hero-description { font-size: 16px; }
  .hero-actions { align-items: flex-start; flex-direction: column; }
  .portrait { width: 92%; }
  .portrait img { height: 350px; }
  .portrait-note { display: none; }
  .section-heading { align-items: flex-start; flex-direction: column; gap: 18px; }
  .section-heading > p br { display: none; }
  .research-grid, .events-grid { grid-template-columns: 1fr; }
  .event-card--large { grid-column: auto; }
  .publication--visual > .publication-content { padding: 24px 21px; }
  .publication-visual-wrap { padding: 14px; }
  .publication-figure > span { left: 0; bottom: 12px; }
  .pub-meta { margin-bottom: 9px; }
  .publication h3 { font-size: 19px; }
  .result-stat { align-items: flex-start; }
  .event-card--large .event-content, .event-content { padding: 27px 23px; }
  .event-photo { min-height: 250px; }
  .contact { margin: 45px 0; padding: 38px 24px; }
  .email span { margin-left: 4px; }
  footer { flex-wrap: wrap; }
  footer > span:nth-child(2) { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}

@media print {
  .header, .filters, .hero-actions, .contact-links, footer { display: none; }
  .hero, .split { gap: 20px; }
  .section { padding: 25px 0; }
  .contact { color: #000; background: none; padding: 0; }
  .contact h2 em, .contact .eyebrow, .contact > p:not(.eyebrow) { color: #000; }
  .publication, .event-card, .education-card { break-inside: avoid; }
  .publication[hidden] { display: grid; }
  .portrait img { height: 250px; }
}