:root {
  color-scheme: light;
  --page: #fff;
  --surface: #fff;
  --surface-2: #ececec;
  --ink: #0a0a0a;
  --muted: #565656;
  --line: #0a0a0a;
  --line-soft: #cfcfcf;
  --radius: 0;
  --display: Arial, Helvetica, sans-serif;
  --body: Arial, Helvetica, sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --max: 1480px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.55;
  text-rendering: optimizeLegibility;
}

img { display: block; max-width: 100%; }

a {
  color: inherit;
  text-decoration-color: currentColor;
  text-decoration-thickness: 1px;
  text-underline-offset: .22em;
}

a:hover { text-decoration-thickness: 2px; }

a:focus-visible,
.disclosure-toggle:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  left: 1rem;
  top: -5rem;
  z-index: 100;
  padding: .65rem .85rem;
  background: var(--ink);
  color: var(--page);
}

.skip-link:focus { top: 1rem; }

.shell {
  width: min(calc(100% - 3rem), var(--max));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  inset-block-start: 0;
  z-index: 20;
  background: color-mix(in srgb, var(--page) 94%, transparent);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

.site-header .shell {
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.brand {
  flex: 0 0 auto;
  color: var(--ink);
  font-family: var(--body);
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: 0;
  text-decoration: none;
}

.main-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: .45rem 1.8rem;
  margin-left: auto;
}

.main-nav a {
  font-family: var(--mono);
  font-size: .78rem;
  letter-spacing: .04em;
  text-decoration: none;
  text-transform: uppercase;
}

.main-nav a:hover { text-decoration: underline; }

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, .9fr);
  gap: clamp(2.5rem, 7vw, 8rem);
  align-items: center;
  min-height: min(720px, calc(100vh - 64px));
  padding-block: clamp(2rem, 4vw, 4rem);
  border-bottom: 1px solid var(--line);
}

.kicker,
.year,
.action,
.tag,
.micro {
  font-family: var(--mono);
  letter-spacing: .06em;
  text-transform: uppercase;
}

.hero h1 {
  max-width: none;
  margin: 0;
  font-family: var(--display);
  font-size: clamp(3.5rem, 6vw, 6.5rem);
  line-height: .84;
  letter-spacing: -.075em;
  white-space: nowrap;
}

.hero-copy {
  max-width: 680px;
  margin: 2rem 0 0;
  font-family: var(--body);
  font-size: clamp(1.05rem, 1.6vw, 1.4rem);
  line-height: 1.25;
  letter-spacing: -.035em;
  white-space: nowrap;
}

.hero-note {
  max-width: 65ch;
  margin: 1.25rem 0 0;
  color: var(--muted);
}

.socials {
  display: grid;
  gap: .7rem;
  margin-top: 2rem;
}

.social-row {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem 1.3rem;
}

.socials a,
.action {
  font-size: .78rem;
  font-weight: 700;
}

.socials a {
  display: inline-flex;
  align-items: center;
  gap: .3em;
}

.external-link-icon {
  width: .9em;
  height: .9em;
  flex: 0 0 auto;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linecap: square;
  stroke-linejoin: miter;
}

.contact-block {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .75rem 2rem;
  margin-top: 1.7rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--line);
  font-family: var(--mono);
  font-size: .72rem;
}

.contact-block p { margin: 0; }
.contact-block span { display: block; margin-bottom: .25rem; color: var(--muted); text-transform: uppercase; }

.portrait-panel {
  display: block;
}

.portrait {
  width: 100%;
  height: 100%;
  min-height: 480px;
  object-fit: cover;
  object-position: center;
  filter: grayscale(1) contrast(1.08);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.section {
  padding-block: clamp(4rem, 8vw, 8rem);
  border-bottom: 1px solid var(--line);
}

.section-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: clamp(2rem, 5vw, 4rem);
}

.section-heading h2 {
  margin: 0;
  font-family: var(--body);
  font-size: clamp(1.8rem, 3vw, 3rem);
  line-height: 1.05;
  letter-spacing: -.02em;
}

.publication-year {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  border-top: 1px solid var(--line);
}

.publication-year:last-child {
  border-bottom: 1px solid var(--line-soft);
}

.publication-year:last-child .publication:last-child {
  border-bottom: 0;
}

.year {
  padding: 1.4rem 1.2rem 1.4rem 0;
  font-size: clamp(1.4rem, 3vw, 2.4rem);
}

.publication-list { border-left: 1px solid var(--line); }

.publication {
  --paper-accent: var(--line-soft);
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1.5rem 3rem;
  padding: 1.5rem 1.5rem 1.5rem 1.75rem;
  border-bottom: 1px solid var(--line-soft);
  background: var(--surface);
  box-shadow: inset 6px 0 0 var(--paper-accent);
}

.publication-main {
  padding: 0;
}

.paper-blue {
  --paper-accent: #bfdced;
}

.paper-lavender {
  --paper-accent: #d8c8e9;
}

.paper-peach {
  --paper-accent: #ecc9b5;
}

.paper-sage {
  --paper-accent: #c4dcc7;
}

.paper-yellow {
  --paper-accent: #ecddaa;
}

.publication h3 {
  max-width: 850px;
  margin: 0;
  font-family: var(--body);
  font-size: clamp(1.3rem, 2.4vw, 2rem);
  line-height: 1.14;
  letter-spacing: -.025em;
}

.publication-description {
  max-width: 72ch;
  margin: .65rem 0 0;
  color: var(--muted);
  font-size: 1rem;
  font-style: italic;
  line-height: 1.5;
}

.metadata {
  margin: .7rem 0 0;
  color: var(--muted);
  font-size: .9rem;
}

.metadata strong {
  color: var(--ink);
  text-decoration: underline;
  text-underline-offset: .18em;
}

.actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: .55rem 1.1rem;
  min-width: 250px;
}

.action {
  display: inline-flex;
  align-items: center;
  gap: .42rem;
  white-space: nowrap;
}

.link-icon {
  display: inline-grid;
  width: 1.12em;
  height: 1.12em;
  flex: 0 0 auto;
  place-items: center;
}

.link-icon svg {
  width: 100%;
  height: 100%;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.disclosures {
  grid-column: 1 / -1;
  display: flex;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: .7rem 1.25rem;
  max-width: 1050px;
}

.disclosure { display: contents; }

.disclosure-toggle {
  order: 0;
  display: inline-flex;
  align-items: center;
  gap: .42rem;
  width: fit-content;
  margin: 0;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
  color: var(--ink);
  font-family: var(--mono);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .05em;
  text-transform: uppercase;
}

.disclosure-toggle > span:last-of-type {
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: .22em;
}

.disclosure-toggle::after {
  content: "+";
  margin-left: .15rem;
  text-decoration: none;
}

.disclosure-toggle[aria-expanded="true"]::after { content: "−"; }

.disclosure-content {
  order: 1;
  flex: 0 0 100%;
  max-width: 950px;
  color: var(--muted);
}

.disclosure-content[hidden] { display: none; }
.disclosure-content p { margin: 1rem 0 0; }

.bibtex-disclosure pre {
  max-width: 100%;
  margin: 1rem 0 0;
  overflow-x: auto;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  font-family: var(--mono);
  font-size: .78rem;
  line-height: 1.55;
}

.item-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem 1rem;
  margin-top: .9rem;
}

.talk-disclosures { margin-top: 1rem; }

.split {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(3rem, 7vw, 8rem);
}

.subsection h2 {
  margin: 0 0 2rem;
  font-family: var(--body);
  font-size: clamp(1.8rem, 3vw, 3rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -.02em;
}

.item-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.item {
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--line-soft);
}

.item h3 {
  margin: 0;
  font-size: 1.08rem;
  line-height: 1.35;
}

.item p {
  margin: .45rem 0 0;
  color: var(--muted);
  font-size: .9rem;
}

.media-source {
  display: flex;
  align-items: center;
  margin-bottom: 1rem;
}

.media-logo {
  width: auto;
  height: 1.75rem;
  max-width: 10rem;
  margin: 0;
  object-fit: contain;
  object-position: left center;
}

.media-logo-standard {
  height: 1.55rem;
}

.media-logo-tu-wien {
  height: 2rem;
}

.item .talk-description {
  max-width: 62ch;
  margin-top: .65rem;
  color: var(--ink);
  font-size: 1rem;
  font-style: italic;
  line-height: 1.5;
}

.tag {
  display: inline-flex;
  margin: 0 .45rem .35rem 0;
  padding: .23rem .5rem;
  border: 1px solid var(--line);
  font-size: .67rem;
  font-weight: 700;
  line-height: 1;
}

.browser-icon {
  display: inline-block;
  width: 1.25rem;
  height: 1.25rem;
  margin: 0 .55rem .35rem 0;
  vertical-align: middle;
}

.browser-name {
  display: inline-block;
  margin: 0 0 .35rem;
  font-family: var(--mono);
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .05em;
  text-transform: uppercase;
  vertical-align: middle;
}

.content-error {
  margin: 2rem 0;
  padding: 1rem;
  border: 1px solid var(--line);
  font-family: var(--mono);
  font-size: .85rem;
}

/* 02 — High-contrast research dossier */
.dossier {
  --page: #fff;
  --surface: #fff;
  --surface-2: #e8e8e8;
  --ink: #080808;
  --muted: #3f3f3f;
  --line: #080808;
  --line-soft: #9b9b9b;
  --display: "Arial Narrow", "Helvetica Neue", Arial, sans-serif;
  --body: "Helvetica Neue", Arial, sans-serif;
}

.dossier .site-header .shell { width: 100%; padding-inline: 2.25rem; }
.dossier .hero { grid-template-columns: 1fr minmax(480px, .95fr); }
.dossier .hero h1 { font-weight: 900; text-transform: uppercase; }
.dossier .hero-copy { font-weight: 800; }
.dossier .portrait-panel {
  width: min(100%, 420px);
  margin-left: auto;
  margin-right: clamp(1rem, 2.5vw, 2.5rem);
  overflow: hidden;
  border: 1px solid var(--line);
}
.dossier .portrait {
  min-height: 0;
  aspect-ratio: 1;
  border: 0;
  object-position: center 32%;
  filter: grayscale(1) brightness(1.08) contrast(1.12);
  transform: scale(1.2);
  transform-origin: center 32%;
}
.dossier .section-heading h2 { font-weight: 800; }
.dossier .publication {
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
}
.dossier .publication h3 { font-weight: 800; }
.dossier .actions {
  justify-content: flex-start;
  min-width: 0;
}

@media (max-width: 980px) {
  .site-header .shell { padding-block: .8rem; }
  .hero,
  .dossier .hero { grid-template-columns: 1fr; min-height: auto; }
  .portrait-panel { max-width: 720px; }
  .dossier .portrait-panel { margin-inline: auto; }
  .publication-year { grid-template-columns: 100px minmax(0, 1fr); }
  .publication { grid-template-columns: 1fr; }
  .actions { min-width: 0; justify-content: flex-start; }
  .split { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  body {
    line-height: 1.65;
  }

  .shell {
    width: min(calc(100% - 2.5rem), var(--max));
  }

  .dossier .site-header .shell {
    width: 100%;
    padding-inline: 1.25rem;
  }

  .site-header .shell {
    align-items: flex-start;
    flex-direction: column;
    gap: .85rem;
    padding-block: .9rem;
  }

  .main-nav {
    width: 100%;
    margin-left: 0;
    padding-bottom: .25rem;
    flex-wrap: nowrap;
    justify-content: flex-start;
    gap: 1.4rem;
    overflow-x: auto;
    scrollbar-width: none;
  }

  .main-nav::-webkit-scrollbar { display: none; }

  .main-nav a {
    flex: 0 0 auto;
    font-size: .72rem;
  }

  .hero,
  .dossier .hero {
    gap: 3rem;
    padding-block: 3rem;
  }

  .hero h1 {
    font-size: clamp(2.65rem, 13vw, 4.25rem);
    line-height: .9;
  }

  .hero-copy {
    font-size: clamp(.95rem, 4vw, 1.05rem);
    letter-spacing: -.06em;
  }

  .hero-note {
    margin-top: 1.5rem;
    line-height: 1.65;
  }

  .contact-block {
    grid-template-columns: 1fr;
    gap: 1.25rem;
    margin-top: 2rem;
    padding-top: 1.5rem;
    line-height: 1.6;
  }

  .socials {
    gap: 1rem;
    margin-top: 2.25rem;
  }

  .social-row {
    gap: .9rem 1.5rem;
  }

  .portrait-panel { display: block; }

  .dossier .portrait-panel {
    width: 100%;
    margin: .25rem auto 0;
  }

  .portrait { min-height: 360px; }

  .section {
    padding-block: 4.5rem;
  }

  .section-heading {
    margin-bottom: 2.5rem;
  }

  .publication-year {
    display: block;
    margin-inline: -1.25rem;
  }

  .year {
    padding: 1.75rem 1.25rem 1.1rem;
  }

  .publication-list {
    border-left: 0;
  }

  .publication {
    gap: 1.35rem;
    padding: 1.6rem 1.25rem 1.75rem 1.5rem;
  }

  .publication h3 {
    font-size: clamp(1.35rem, 6.5vw, 1.75rem);
    line-height: 1.2;
  }

  .publication-description,
  .item .talk-description {
    margin-top: .85rem;
    line-height: 1.6;
  }

  .metadata {
    margin-top: .85rem;
    line-height: 1.6;
  }

  .actions,
  .item-actions {
    gap: .75rem 1.35rem;
  }

  .disclosures {
    gap: .9rem 1.35rem;
  }

  .publication-year:last-child { border-bottom: 0; }
  .publication-year:last-child .publication:last-child { border-bottom: 1px solid var(--line-soft); }

  .split {
    gap: 4.75rem;
  }

  .subsection h2 {
    margin-bottom: 2.25rem;
  }

  .item {
    padding: 1.6rem 0;
  }

  .item p {
    margin-top: .65rem;
    line-height: 1.6;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}