/* ------------------------------------------------------------------
   Tokens — palette taken from the original PhD research map
------------------------------------------------------------------ */
:root {
  --bg: #f7f4ee;
  --surface: #fffdfa;
  --surface-2: #f1ede4;
  --ink: #1f2f3a;
  --ink-soft: #4a5a64;
  --ink-faint: #7c8a92;
  --line: #e4ded2;
  --blue: #4f86c6;
  --blue-dark: #356aa8;
  --blue-tint: rgba(79, 134, 198, 0.1);
  --accent-ink: #356aa8;
  --green: #95be63;
  --green-ink: #4d7426;
  --yellow: #e0b847;
  --yellow-ink: #8a6a10;
  --node-stroke: #42464b;
  --node-stroke-strong: #1f2328;
  --edge: #55636a;
  --cluster-stroke: #9aa6ac;
  --shadow: 0 1px 2px rgba(31, 47, 58, 0.04), 0 8px 24px rgba(31, 47, 58, 0.06);
  --radius: 16px;
  --serif: "Libre Baskerville", Georgia, serif;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #11171c;
    --surface: #182129;
    --surface-2: #1e2932;
    --ink: #e7ecef;
    --ink-soft: #b3bec5;
    --ink-faint: #82909a;
    --line: #2a3843;
    --blue: #6f9fd8;
    --blue-dark: #4f86c6;
    --blue-tint: rgba(111, 159, 216, 0.14);
    --accent-ink: #7fabe0;
    --green-ink: #a9d178;
    --yellow-ink: #ecc95e;
    --node-stroke: #0d1216;
    --node-stroke-strong: #e7ecef;
    --edge: #8796a0;
    --cluster-stroke: #5d6d78;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 8px 24px rgba(0, 0, 0, 0.25);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #11171c;
  --surface: #182129;
  --surface-2: #1e2932;
  --ink: #e7ecef;
  --ink-soft: #b3bec5;
  --ink-faint: #82909a;
  --line: #2a3843;
  --blue: #6f9fd8;
  --blue-dark: #4f86c6;
  --blue-tint: rgba(111, 159, 216, 0.14);
  --accent-ink: #7fabe0;
  --green-ink: #a9d178;
  --yellow-ink: #ecc95e;
  --node-stroke: #0d1216;
  --node-stroke-strong: #e7ecef;
  --edge: #8796a0;
  --cluster-stroke: #5d6d78;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 8px 24px rgba(0, 0, 0, 0.25);
  color-scheme: dark;
}

/* ------------------------------------------------------------------
   Base
------------------------------------------------------------------ */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 400 16px/1.65 var(--sans);
  -webkit-font-smoothing: antialiased;
  transition: background-color .25s ease, color .25s ease;
}
img { max-width: 100%; display: block; }
a { color: var(--accent-ink); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; border-radius: 6px; }
h1, h2, h3 { font-family: var(--serif); font-weight: 400; line-height: 1.2; margin: 0; }
.container { width: min(1120px, 100% - 32px); margin-inline: auto; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--surface); padding: 8px 12px; z-index: 100; }
.skip:focus { left: 8px; }

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

/* ------------------------------------------------------------------
   Top bar
------------------------------------------------------------------ */
.topbar {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: saturate(1.4) blur(12px);
  -webkit-backdrop-filter: saturate(1.4) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s;
}
.topbar.scrolled { border-bottom-color: var(--line); }
.nav { display: flex; align-items: center; gap: 10px; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; font-family: var(--serif); font-size: 17px; color: var(--ink) !important; text-decoration: none; white-space: nowrap; }
.brand-mark { width: 26px; height: 26px; }
.brand-mark circle:nth-child(1) { fill: var(--blue); }
.brand-mark circle:nth-child(2) { fill: var(--green); }
.brand-mark circle:nth-child(3) { fill: var(--yellow); }
.nav-links { display: flex; align-items: center; gap: 4px; list-style: none; margin: 0 0 0 auto; padding: 0; }
.nav-links a {
  display: block; padding: 8px 12px; border-radius: 999px;
  color: var(--ink-soft) !important; text-decoration: none; font-size: 15px; font-weight: 500;
  transition: background-color .15s, color .15s;
}
.nav-links a:hover { background: var(--surface-2); color: var(--ink) !important; }
.nav-links a.active { color: var(--ink) !important; background: var(--blue-tint); }
.theme-toggle {
  display: grid; place-items: center; width: 38px; height: 38px; margin-left: 6px;
  border: 1px solid var(--line); border-radius: 999px; background: var(--surface);
  color: var(--ink-soft); cursor: pointer;
}
.theme-toggle:hover { color: var(--ink); }
.theme-toggle svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; }
.theme-toggle .icon-moon { display: none; }
.is-dark .theme-toggle .icon-sun { display: none; }
.is-dark .theme-toggle .icon-moon { display: block; fill: currentColor; stroke: none; }
.menu-toggle { display: none; }

@media (max-width: 820px) {
  .brand span { font-size: 15px; }
  .menu-toggle {
    display: flex; flex-direction: column; justify-content: center; gap: 5px;
    width: 42px; height: 42px; padding: 0 10px; border: 0; background: none; cursor: pointer;
  }
  .menu-toggle span { display: block; height: 2px; background: var(--ink); border-radius: 2px; transition: transform .2s, opacity .2s; }
  .menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .nav-links {
    position: absolute; top: 64px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 2px; padding: 8px 16px 16px;
    background: var(--bg); border-bottom: 1px solid var(--line);
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 14px; font-size: 16px; }
  .theme-toggle { margin: 8px 0 0 8px; }
}

/* ------------------------------------------------------------------
   Hero
------------------------------------------------------------------ */
.hero {
  display: grid; grid-template-columns: 260px 1fr; gap: 56px; align-items: center;
  padding: 64px 0 48px;
}
.hero-photo { position: relative; }
.hero-photo::before {
  content: ""; position: absolute; inset: 18px -18px -18px 18px;
  border-radius: 28px; background: var(--blue-tint); border: 1.5px dashed var(--cluster-stroke);
}
.hero-photo img {
  position: relative; width: 100%; height: auto; aspect-ratio: 4 / 5; object-fit: cover; object-position: 50% 30%;
  border-radius: 24px; box-shadow: var(--shadow);
}
.eyebrow { margin: 0 0 10px; font-size: 13px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--accent-ink); }
.hero h1 { font-size: clamp(34px, 5.2vw, 54px); letter-spacing: -0.01em; }
.tagline { margin: 14px 0 22px; font-size: 19px; color: var(--ink-soft); max-width: 36ch; }
.affiliations { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; padding: 0; margin: 0 0 22px; }
.affiliations a {
  display: inline-flex; align-items: baseline; gap: 6px;
  padding: 6px 12px; border: 1px solid var(--line); border-radius: 999px; background: var(--surface);
  color: var(--ink) !important; text-decoration: none; font-size: 14px; font-weight: 600;
  transition: border-color .15s, transform .15s;
}
.affiliations a span { font-weight: 400; color: var(--ink-faint); }
.affiliations a:hover { border-color: var(--blue); transform: translateY(-1px); }
.socials { display: flex; flex-wrap: wrap; gap: 10px; }
.social {
  display: inline-flex; align-items: center; gap: 8px; height: 40px; padding: 0 14px;
  border-radius: 999px; background: var(--surface); border: 1px solid var(--line);
  color: var(--ink) !important; text-decoration: none; font-size: 14px; font-weight: 500;
  transition: border-color .15s, background-color .15s, transform .15s;
}
.social:hover { border-color: var(--blue); transform: translateY(-1px); }
.social svg { width: 17px; height: 17px; fill: currentColor; flex: none; }
.social.primary { background: var(--blue-dark); border-color: var(--blue-dark); color: #fff !important; }
.social.primary:hover { background: var(--blue); }

@media (max-width: 760px) {
  .hero { grid-template-columns: 1fr; gap: 32px; padding: 36px 0 24px; text-align: left; }
  .hero-photo { width: 180px; }
  .hero-photo::before { inset: 12px -12px -12px 12px; border-radius: 22px; }
  .tagline { font-size: 17px; }
}

/* ------------------------------------------------------------------
   Cards & sections
------------------------------------------------------------------ */
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.intro-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; padding: 16px 0 24px; align-items: start; }
.news { padding: 24px 26px; }
.card-title { font-size: 20px; margin-bottom: 14px; }
.news-list { list-style: none; margin: 0; padding: 0; }
.news-list li { display: grid; grid-template-columns: 76px 1fr; gap: 12px; padding: 12px 0; border-top: 1px solid var(--line); }
.news-list li:first-child { border-top: 0; padding-top: 0; }
.news-date { font-size: 13px; font-weight: 600; color: var(--ink-faint); padding-top: 2px; }
.news-list p { margin: 0; font-size: 15px; }
.news-list .paper-link { font-size: 13px; font-weight: 600; margin-left: 4px; white-space: nowrap; }
.about { padding: 8px 4px; }
.about p { margin: 12px 0 0; color: var(--ink-soft); }
.about a { color: inherit !important; text-decoration-color: var(--blue); }
.section-title.small { font-size: 22px; }

.section { padding: 72px 0 8px; }
.section-head { margin-bottom: 28px; max-width: 760px; }
.kicker { margin: 0 0 6px; font-size: 13px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--accent-ink); }
.section-title { font-size: clamp(28px, 3.6vw, 38px); }
.lead { margin: 16px 0 0; font-size: 17px; color: var(--ink-soft); }
.lead strong { color: var(--ink); font-weight: 600; }

@media (max-width: 860px) {
  .intro-grid { grid-template-columns: 1fr; gap: 24px; }
  .section { padding-top: 56px; }
}

/* ------------------------------------------------------------------
   Research map
------------------------------------------------------------------ */
.map-wrap { display: grid; grid-template-columns: minmax(0, 1fr) 320px; overflow: hidden; }
.map-stage { position: relative; padding: 12px 8px 8px; }
#map { width: 100%; height: auto; display: block; overflow: visible; touch-action: manipulation; }

.m-edge { stroke: var(--edge); stroke-width: 3; stroke-linecap: round; transition: opacity .2s; }
.m-cluster { fill: var(--blue-tint); stroke: var(--cluster-stroke); stroke-width: 2; stroke-dasharray: 8 6; transition: opacity .2s; }
.m-topic { cursor: pointer; transition: opacity .2s; }
.m-topic circle {
  fill: var(--blue); stroke: var(--blue-dark); stroke-width: 2;
  filter: drop-shadow(0 12px 18px rgba(53, 106, 168, 0.18));
  transition: fill .2s;
}
.m-topic text { fill: #fffdf8; font-family: var(--serif); font-size: 22px; text-anchor: middle; pointer-events: none; }
.m-topic:hover circle, .m-topic.active circle { fill: var(--blue-dark); }
.m-paper { cursor: pointer; outline: none; transition: opacity .2s; }
.m-paper .bubble { transform-box: fill-box; transform-origin: center; transition: transform .2s cubic-bezier(.3, 1.6, .5, 1); }
.m-paper circle { stroke: var(--node-stroke); stroke-width: 2.5; filter: drop-shadow(0 8px 14px rgba(31, 47, 58, 0.14)); }
.m-paper.first circle { stroke: var(--node-stroke-strong); stroke-width: 4.5; }
.m-paper.published circle { fill: var(--green); }
.m-paper.preprint circle { fill: var(--yellow); }
.m-paper text { font: 700 14px var(--sans); letter-spacing: .04em; text-anchor: middle; dominant-baseline: central; pointer-events: none; }
.m-paper.published text { fill: #fffefb; }
.m-paper.preprint text { fill: #24323a; }
.m-paper:hover .bubble, .m-paper:focus-visible .bubble, .m-paper.active .bubble { transform: scale(1.18); }
.m-paper:focus-visible circle { stroke: var(--blue); stroke-width: 5; }
#map.dimmed .m-paper:not(.lit), #map.dimmed .m-topic:not(.lit) { opacity: .22; }
#map.dimmed .m-edge:not(.lit), #map.dimmed .m-cluster:not(.lit) { opacity: .35; }

.legend { display: flex; flex-wrap: wrap; gap: 18px; justify-content: center; list-style: none; margin: 0; padding: 4px 0 14px; font-size: 13px; color: var(--ink-soft); }
.legend li { display: flex; align-items: center; gap: 7px; }
.dot { width: 14px; height: 14px; border-radius: 50%; border: 2px solid var(--node-stroke); }
.dot-published { background: var(--green); }
.dot-preprint { background: var(--yellow); }
.dot-ring { background: transparent; border: 4px solid var(--node-stroke-strong); }

.map-panel { border-left: 1px solid var(--line); background: var(--surface-2); padding: 26px 24px; display: flex; flex-direction: column; min-height: 100%; }
.panel-hint { font-size: 13px; color: var(--ink-faint); margin: 0 0 18px; display: flex; gap: 8px; align-items: center; }
.panel-hint svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 1.8; flex: none; }
.panel-topics { list-style: none; margin: 0; padding: 0; display: grid; gap: 16px; }
.panel-topics button {
  all: unset; cursor: pointer; display: block; width: 100%; box-sizing: border-box;
  padding: 12px 14px; border-radius: 12px; border: 1px solid transparent; transition: background-color .15s, border-color .15s;
}
.panel-topics button:hover, .panel-topics button:focus-visible { background: var(--surface); border-color: var(--line); }
.panel-topics h3 { font-size: 16px; display: flex; align-items: center; gap: 8px; }
.panel-topics h3::before { content: ""; width: 10px; height: 10px; border-radius: 50%; background: var(--blue); flex: none; }
.panel-topics p { margin: 4px 0 0 18px; font-size: 14px; color: var(--ink-soft); line-height: 1.5; }
.panel-topics .count { margin-top: 6px; font: 600 12px var(--sans); color: var(--accent-ink); }

.panel-paper .tagrow { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 12px; }
.panel-paper h3 { font-size: 19px; line-height: 1.35; }
.panel-paper .authors { margin: 10px 0 4px; font-size: 14px; color: var(--ink-soft); }
.panel-paper .venue { font-size: 14px; color: var(--ink-faint); margin: 0 0 12px; }
.panel-paper .snippet { font-size: 14px; color: var(--ink-soft); line-height: 1.55; margin: 0 0 16px; }
.panel-paper .links { margin-top: auto; }
.panel-back { all: unset; cursor: pointer; font-size: 13px; font-weight: 600; color: var(--ink-faint); margin-bottom: 14px; }
.panel-back:hover { color: var(--ink); }

@media (max-width: 900px) {
  .map-wrap { grid-template-columns: 1fr; }
  .map-panel { border-left: 0; border-top: 1px solid var(--line); min-height: 0; }
  .m-paper text { font-size: 16px; }
}

/* ------------------------------------------------------------------
   Tags, buttons, filters
------------------------------------------------------------------ */
.tag {
  display: inline-flex; align-items: center; gap: 5px; height: 24px; padding: 0 9px;
  border-radius: 999px; font-size: 12px; font-weight: 600; letter-spacing: .02em; white-space: nowrap;
  background: var(--surface-2); color: var(--ink-soft); border: 1px solid var(--line);
}
.tag.published { background: color-mix(in srgb, var(--green) 22%, transparent); color: var(--green-ink); border-color: transparent; }
.tag.preprint { background: color-mix(in srgb, var(--yellow) 26%, transparent); color: var(--yellow-ink); border-color: transparent; }
.tag.topic { background: var(--blue-tint); color: var(--accent-ink); border-color: transparent; }
.tag.upcoming { background: var(--blue-dark); color: #fff; border-color: transparent; }
.tag.talk { background: color-mix(in srgb, var(--blue) 16%, transparent); color: var(--accent-ink); border-color: transparent; }
.tag.poster { background: color-mix(in srgb, var(--green) 20%, transparent); color: var(--green-ink); border-color: transparent; }
.tag.research { background: var(--blue-tint); color: var(--accent-ink); border-color: transparent; }
.tag.education { background: color-mix(in srgb, var(--green) 20%, transparent); color: var(--green-ink); border-color: transparent; }

.links { display: flex; flex-wrap: wrap; gap: 8px; }
.btn, .link-btn {
  display: inline-flex; align-items: center; gap: 7px;
  border-radius: 999px; text-decoration: none !important; font-weight: 600; white-space: nowrap;
  transition: background-color .15s, border-color .15s, color .15s;
}
.btn { height: 42px; padding: 0 18px; background: var(--blue-dark); color: #fff !important; font-size: 15px; }
.btn:hover { background: var(--blue); }
.btn svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.link-btn { height: 32px; padding: 0 12px; font-size: 13px; border: 1px solid var(--line); background: var(--surface); color: var(--ink) !important; }
.link-btn:hover { border-color: var(--blue); color: var(--accent-ink) !important; }
.link-btn svg { width: 14px; height: 14px; fill: currentColor; }

.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 22px; }
.chip {
  height: 36px; padding: 0 14px; border-radius: 999px; border: 1px solid var(--line);
  background: var(--surface); color: var(--ink-soft); font: 500 14px var(--sans); cursor: pointer;
  display: inline-flex; align-items: center; gap: 8px; transition: all .15s;
}
.chip:hover { color: var(--ink); border-color: var(--cluster-stroke); }
.chip[aria-pressed="true"] { background: var(--ink); border-color: var(--ink); color: var(--bg); }
.chip .n { font-size: 12px; opacity: .65; }

/* ------------------------------------------------------------------
   Publications
------------------------------------------------------------------ */
.pubs { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.pub {
  display: grid; grid-template-columns: 70px 1fr; gap: 20px; padding: 22px 24px;
  scroll-margin-top: 90px; transition: border-color .3s, box-shadow .3s;
}
.pub.flash { border-color: var(--blue); box-shadow: 0 0 0 4px var(--blue-tint), var(--shadow); }
.pub-badge {
  width: 62px; height: 62px; border-radius: 50%; display: grid; place-items: center;
  font: 700 12px var(--sans); letter-spacing: .03em; border: 2.5px solid var(--node-stroke);
  background: var(--surface-2); color: var(--ink);
}
.pub-badge.published { background: var(--green); color: #fffefb; }
.pub-badge.preprint { background: var(--yellow); color: #24323a; }
.pub-badge.first { border-width: 4.5px; border-color: var(--node-stroke-strong); }
.pub-badge.none { font-family: var(--serif); font-size: 16px; font-weight: 400; }
.pub h3 { font-size: 19px; line-height: 1.4; }
.pub .authors { margin: 6px 0 2px; font-size: 15px; color: var(--ink-soft); }
.pub .authors strong { color: var(--ink); font-weight: 600; }
.pub .meta { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin: 8px 0 14px; font-size: 14px; color: var(--ink-faint); }
.pub .meta .venue { font-style: italic; margin-right: 4px; }
.pub details { margin-top: 14px; }
.pub summary { cursor: pointer; font-size: 14px; font-weight: 600; color: var(--ink-soft); list-style: none; display: inline-flex; align-items: center; gap: 6px; }
.pub summary::-webkit-details-marker { display: none; }
.pub summary::before { content: "+"; display: grid; place-items: center; width: 18px; height: 18px; border-radius: 50%; border: 1px solid var(--line); font-size: 13px; line-height: 1; }
.pub details[open] summary::before { content: "−"; }
.pub details p { margin: 10px 0 0; font-size: 15px; color: var(--ink-soft); max-width: 80ch; }
.pubs-empty { padding: 24px; color: var(--ink-faint); }

@media (max-width: 600px) {
  .pub { grid-template-columns: 1fr; gap: 12px; padding: 18px; }
  .pub-badge { width: 52px; height: 52px; font-size: 11px; }
  .pub h3 { font-size: 17px; }
}

/* ------------------------------------------------------------------
   Activities
------------------------------------------------------------------ */
.act-year { display: grid; grid-template-columns: 110px 1fr; gap: 24px; padding: 22px 0; border-top: 1px solid var(--line); }
.act-year:first-child { border-top: 0; padding-top: 4px; }
.act-year h3 { font-size: 26px; color: var(--ink-faint); position: sticky; top: 84px; align-self: start; }
.act-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 4px; }
.act {
  display: grid; grid-template-columns: 56px 1fr auto; gap: 14px; align-items: center;
  padding: 10px 14px; border-radius: 12px; transition: background-color .15s;
}
.act:hover { background: var(--surface); }
.act.is-upcoming { background: var(--blue-tint); }
.act-month { font-size: 13px; font-weight: 600; color: var(--ink-faint); text-transform: uppercase; letter-spacing: .05em; }
.act-title { font-weight: 500; line-height: 1.4; }
.act-place { font-size: 14px; color: var(--ink-faint); }
.act-tags { display: flex; gap: 6px; flex-wrap: wrap; justify-content: flex-end; }
.kind-dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 6px; vertical-align: 1px; }

@media (max-width: 640px) {
  .act-year { grid-template-columns: 1fr; gap: 8px; }
  .act-year h3 { position: static; font-size: 22px; }
  .act { grid-template-columns: 44px 1fr; padding: 10px 8px; }
  .act-tags { grid-column: 2; justify-content: flex-start; }
}

/* ------------------------------------------------------------------
   CV timeline
------------------------------------------------------------------ */
.cv-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 20px; flex-wrap: wrap; max-width: none; }
.timeline { list-style: none; margin: 0; padding: 0 0 0 28px; position: relative; }
.timeline::before { content: ""; position: absolute; left: 7px; top: 8px; bottom: 8px; width: 2px; background: var(--line); }
.tl { position: relative; padding: 0 0 26px; display: grid; grid-template-columns: 170px 1fr; gap: 20px; }
.tl::before {
  content: ""; position: absolute; left: -28px; top: 5px; width: 16px; height: 16px; border-radius: 50%;
  background: var(--surface); border: 3px solid var(--blue);
}
.tl.education::before { border-color: var(--green); }
.tl.current::before { background: var(--blue); box-shadow: 0 0 0 5px var(--blue-tint); }
.tl-date { font-size: 14px; font-weight: 600; color: var(--ink-faint); padding-top: 1px; }
.tl h3 { font-family: var(--sans); font-size: 17px; font-weight: 600; line-height: 1.4; }
.tl p { margin: 3px 0 0; color: var(--ink-soft); font-size: 15px; }
.tl p a { color: inherit !important; text-decoration-color: var(--cluster-stroke); }
.tl-kind { margin-left: 8px; vertical-align: 2px; }

@media (max-width: 640px) {
  .tl { grid-template-columns: 1fr; gap: 2px; }
}

/* ------------------------------------------------------------------
   Footer
------------------------------------------------------------------ */
.footer { margin-top: 88px; background: var(--surface); border-top: 1px solid var(--line); }
.footer-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; padding: 48px 0 32px; }
.footer-title { font-size: 26px; margin-bottom: 12px; }
.email-link { font-size: 17px; font-weight: 600; word-break: break-all; }
address { font-style: normal; color: var(--ink-soft); margin-top: 12px; font-size: 15px; }
.funding { display: flex; gap: 16px; align-items: flex-start; align-self: end; font-size: 14px; color: var(--ink-soft); }
.funding p { margin: 0; }
.eu-flag { width: 60px; height: 40px; flex: none; border-radius: 3px; }
.footer-bottom { display: flex; justify-content: space-between; gap: 16px; padding: 18px 0 28px; border-top: 1px solid var(--line); font-size: 14px; color: var(--ink-faint); }
.footer-bottom a { color: inherit !important; text-decoration: none; }
.footer-bottom a:hover { color: var(--ink) !important; }

@media (max-width: 760px) {
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
}

/* Entrance animation */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ------------------------------------------------------------------
   Cite dialog
------------------------------------------------------------------ */
.cite-dialog {
  width: min(640px, calc(100% - 32px)); padding: 0; border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--surface); color: var(--ink); box-shadow: 0 24px 64px rgba(0, 0, 0, .25);
}
.cite-dialog::backdrop { background: rgba(17, 23, 28, .45); backdrop-filter: blur(3px); }
.cite-dialog[open] { animation: pop .18s ease-out; }
@keyframes pop { from { opacity: 0; transform: translateY(8px) scale(.98); } }
.cite-inner { padding: 22px 24px 24px; }
.cite-head { display: flex; justify-content: space-between; align-items: center; }
.cite-head h2 { font-size: 22px; }
.cite-close { border: 0; background: none; font-size: 26px; line-height: 1; color: var(--ink-faint); cursor: pointer; padding: 4px 8px; border-radius: 8px; }
.cite-close:hover { color: var(--ink); background: var(--surface-2); }
.cite-paper { margin: 6px 0 14px; font-size: 14px; color: var(--ink-soft); }
.cite-bib {
  margin: 0 0 16px; padding: 14px 16px; border-radius: 10px; background: var(--surface-2); border: 1px solid var(--line);
  font: 13px/1.6 ui-monospace, "Cascadia Code", Consolas, monospace; color: var(--ink); overflow-x: auto; white-space: pre;
}
.cite-inner .btn { border: 0; cursor: pointer; font-family: var(--sans); }
.cite-inner .link-btn { height: 42px; padding: 0 16px; cursor: pointer; font-family: var(--sans); font-size: 14px; }
.link-btn { font-family: var(--sans); cursor: pointer; }

/* ------------------------------------------------------------------
   Map entrance
------------------------------------------------------------------ */
#map.pre .m-topic, #map.pre .m-cluster, #map.pre .m-edge, #map.pre .m-paper .bubble { opacity: 0; }
#map.play .m-topic, #map.play .m-cluster, #map.play .m-edge, #map.play .m-paper .bubble { opacity: 1; }
#map.play .m-topic { transform-box: fill-box; transform-origin: center; animation: grow .6s cubic-bezier(.2, .9, .3, 1.2) var(--d, 0s) backwards; }
#map.play .m-cluster { animation: fade .5s ease .4s backwards; }
#map.play .m-edge { stroke-dasharray: var(--len); animation: draw .5s ease-out .45s backwards; }
#map.play .m-paper .bubble { animation: grow .45s cubic-bezier(.2, .9, .3, 1.4) var(--d, .8s) backwards; }
@keyframes grow { from { opacity: 0; transform: scale(.4); } }
@keyframes fade { from { opacity: 0; } }
@keyframes draw { from { stroke-dashoffset: var(--len); } }

/* ------------------------------------------------------------------
   Research, explained
------------------------------------------------------------------ */
.ex-tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; }
.ex-tab {
  display: inline-flex; align-items: center; gap: 10px; height: 46px; padding: 0 18px 0 8px;
  border: 1px solid var(--line); border-radius: 999px; background: var(--surface); color: var(--ink-soft);
  font: 600 15px var(--sans); cursor: pointer; transition: all .15s;
}
.ex-tab:hover { color: var(--ink); border-color: var(--cluster-stroke); }
.ex-tab[aria-selected="true"] { background: var(--ink); border-color: var(--ink); color: var(--bg); }
.ex-num { display: grid; place-items: center; width: 30px; height: 30px; border-radius: 50%; color: #1f2f3a; font-size: 14px; font-weight: 700; }
.ex-panel { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); overflow: hidden; }
.ex-panel[hidden] { display: none; }
.ex-text { padding: 30px 30px 28px; border-right: 1px solid var(--line); background: var(--surface-2); }
.ex-text h3 { font-size: 26px; margin-bottom: 14px; }
.ex-text p { margin: 0 0 12px; color: var(--ink-soft); font-size: 16px; }
.ex-try { padding: 12px 14px; border-radius: 12px; background: var(--blue-tint); color: var(--ink) !important; font-size: 15px !important; }
.ex-papers { font-size: 14px !important; margin-top: 16px !important; }
.ex-papers a { font-weight: 600; }
.ex-viz { padding: 22px 24px 24px; min-width: 0; }
.viz-label { margin: 0 0 8px; font-size: 13px; font-weight: 600; color: var(--ink-faint); text-transform: uppercase; letter-spacing: .05em; }
.ex-status { margin: 12px 0 14px; font-size: 15px; color: var(--ink); min-height: 3em; }
.ex-fine { margin: 14px 0 0; font-size: 13px; color: var(--ink-faint); }
.ex-viz .btn { border: 0; cursor: pointer; font-family: var(--sans); }
.ex-viz .link-btn { height: 42px; padding: 0 16px; font-size: 14px; }

@media (max-width: 900px) {
  .ex-panel { grid-template-columns: 1fr; }
  .ex-text { border-right: 0; border-bottom: 1px solid var(--line); padding: 24px 20px; }
  .ex-viz { padding: 20px 16px; }
}
@media (max-width: 560px) {
  .ex-tab { height: 40px; font-size: 14px; padding-right: 14px; }
  .ex-num { width: 26px; height: 26px; }
}

/* sliders */
.range { width: 100%; accent-color: var(--blue-dark); margin: 6px 0 0; }
.range-row { display: block; margin-top: 14px; font-size: 14px; color: var(--ink-soft); }
.range-row strong { color: var(--ink); font-size: 16px; }

/* --- qubit --- */
.qubit-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 20px; align-items: center; }
.bloch { width: 100%; max-width: 340px; display: block; margin: 0 auto; cursor: grab; touch-action: none; }
.bloch:active { cursor: grabbing; }
.bl-ball { stroke: var(--cluster-stroke); stroke-width: 1.5; }
.bl-line { fill: none; stroke: var(--cluster-stroke); stroke-width: 1.2; }
.bl-line.faint { opacity: .55; }
.bl-line.back { stroke-dasharray: 3 4; opacity: .5; }
.bl-axis { stroke: var(--cluster-stroke); stroke-width: 1; stroke-dasharray: 2 4; }
.bl-traj line { stroke: var(--blue); stroke-width: 3; stroke-linecap: round; }
.bl-traj line.back { stroke-dasharray: 2 5; stroke-width: 2.5; }
.bl-arrow { stroke: var(--ink); stroke-width: 3; stroke-linecap: round; }
.bl-head { fill: var(--blue-dark); stroke: var(--surface); stroke-width: 2.5; }
.bl-target { fill: none; stroke: var(--green); stroke-width: 3; }
.bl-target-dot { fill: var(--green); }
.bl-start { fill: var(--ink-faint); }
.bl-label { font: 600 13px var(--sans); fill: var(--ink-soft); }
.pulse { width: 100%; display: block; touch-action: none; cursor: ns-resize; background: var(--surface-2); border-radius: 12px; border: 1px solid var(--line); }
.pulse-zero { stroke: var(--cluster-stroke); stroke-width: 1; stroke-dasharray: 3 3; }
.pulse-bar { fill: var(--blue); transition: y .05s, height .05s; }
.pulse-bar.neg { fill: var(--yellow); }
.pulse-hit { fill: transparent; }
.pulse-axis { font: 500 10.5px var(--sans); fill: var(--ink-faint); }
.fid { display: flex; justify-content: space-between; align-items: baseline; margin-top: 16px; }
.fid-label { font-size: 14px; color: var(--ink-soft); }
.fid-num { font: 400 26px var(--serif); }
.fid-track { height: 10px; border-radius: 999px; background: var(--surface-2); border: 1px solid var(--line); overflow: hidden; margin-top: 6px; }
.fid-fill { display: block; height: 100%; width: 0; background: var(--blue); border-radius: 999px; transition: width .12s, background-color .3s; }
.fid-fill.done { background: var(--green); }
@media (max-width: 1100px) and (min-width: 901px) { .qubit-grid { grid-template-columns: 1fr; } .bloch { max-width: 280px; } }
@media (max-width: 560px) { .qubit-grid { grid-template-columns: 1fr; } .bloch { max-width: 280px; } }

/* --- landscape --- */
.land-wrap { border-radius: 12px; overflow: hidden; border: 1px solid var(--line); background: var(--surface-2); }
.land { width: 100%; display: block; cursor: crosshair; }
.land-area { fill: color-mix(in srgb, var(--blue) 12%, transparent); }
.land-curve { fill: none; stroke: var(--blue-dark); stroke-width: 3; stroke-linejoin: round; }
.land-hint { font: 500 13px var(--sans); fill: var(--ink-faint); pointer-events: none; }
.ball { fill: var(--yellow); stroke: var(--node-stroke); stroke-width: 2.5; display: none; }
.trail circle { fill: var(--yellow); opacity: .45; }
.floor-line { stroke: var(--green-ink); stroke-width: 3; display: none; }
.floor-fill { fill: color-mix(in srgb, var(--green) 28%, transparent); display: none; }
.floor-text { font: 600 13px var(--sans); fill: var(--green-ink); display: none; }
.gmark-ring { fill: none; stroke: var(--green-ink); stroke-width: 3; }
.gmark-dot { fill: var(--green-ink); }
.gmark { animation: fade .4s ease; }

/* --- low-rank --- */
.lr-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 28px; }
.lr-pair { display: flex; gap: 12px; }
.lr-pair figure { margin: 0; flex: 1; }
.lr-canvas { width: 100%; height: auto; aspect-ratio: 90 / 126; border-radius: 10px; border: 1px solid var(--line); display: block; background: var(--surface-2); }
.lr-pair figcaption { font-size: 13px; color: var(--ink-faint); margin-top: 6px; text-align: center; }
.lr-note { margin: 8px 0 0; font-size: 14px; color: var(--ink-soft); }
.wall-row { display: grid; grid-template-columns: 1fr; gap: 4px; margin-top: 16px; }
.wall-name { font-size: 14px; font-weight: 600; }
.wall-track { height: 16px; border-radius: 999px; background: var(--surface-2); border: 1px solid var(--line); overflow: hidden; }
.wall-fill { display: block; height: 100%; border-radius: 999px; transition: width .15s, background-color .3s; }
.wall-fill.exact { background: var(--blue); }
.wall-fill.exact.over { background: #d0694f; }
.wall-fill.tn { background: var(--green); }
.wall-val { font-size: 13px; color: var(--ink-faint); font-variant-numeric: tabular-nums; }
@media (max-width: 1100px) { .lr-grid { grid-template-columns: 1fr; gap: 22px; } .lr-pair { max-width: 340px; } }

/* ------------------------------------------------------------------
   Language switch
------------------------------------------------------------------ */
.lang-switch { display: inline-flex; flex: none; padding: 3px; gap: 2px; border: 1px solid var(--line); border-radius: 999px; background: var(--surface); }
.lang-switch a {
  display: block; padding: 5px 11px; border-radius: 999px; font-size: 13px; font-weight: 600; line-height: 1.4;
  color: var(--ink-soft) !important; text-decoration: none; transition: background-color .15s, color .15s;
}
.lang-switch a:hover { color: var(--ink) !important; background: var(--surface-2); }
.lang-switch a[aria-current="true"] { background: var(--ink); color: var(--bg) !important; }
.lang-switch .short { display: none; }
@media (max-width: 1100px) {
  .lang-switch .long { display: none; }
  .lang-switch .short { display: inline; }
}
@media (max-width: 820px) {
  .lang-switch { margin-left: auto; }
  .lang-switch a { padding: 5px 9px; }
}
@media (max-width: 440px) {
  .brand span { display: none; }
}

/* ------------------------------------------------------------------
   Projects (QOC)
------------------------------------------------------------------ */
.project {
  position: relative; overflow: hidden; isolation: isolate;
  display: grid; grid-template-columns: minmax(0, 320px) minmax(0, 1fr); gap: 40px; align-items: center;
  padding: 40px 44px;
}
/* Soft cyan-violet-pink glow borrowed from the QOC brand */
.project-glow {
  position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(40% 70% at 12% 30%, rgba(34, 211, 238, .16), transparent 70%),
    radial-gradient(40% 70% at 30% 80%, rgba(124, 92, 255, .14), transparent 70%),
    radial-gradient(35% 60% at 95% 10%, rgba(240, 70, 155, .10), transparent 70%);
}
.project-visual { display: block; text-decoration: none; transition: transform .3s ease; }
.project-visual:hover { transform: scale(1.03); }
.project-logo svg { width: 100%; height: auto; display: block; }
.project-logo-text {
  display: block; text-align: center; font: 700 72px/1 var(--sans); letter-spacing: .04em;
  background: linear-gradient(90deg, #22d3ee, #7c5cff, #f0469b); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.project-body .section-title a { color: var(--ink) !important; text-decoration: none; }
.project-body .section-title a:hover { text-decoration: underline; text-decoration-thickness: 2px; text-decoration-color: #7c5cff; }
.project-body .lead { max-width: 62ch; }
.project-stat { margin: 16px 0 0; font-size: 15px; color: var(--ink-soft); display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px; }
.project-stat[hidden] { display: none; }
.project-stat strong { font: 400 26px var(--serif); color: var(--ink); }
.project-live {
  display: inline-flex; align-items: center; gap: 6px; margin-left: 4px; padding: 2px 8px; border-radius: 999px;
  font-size: 11px; font-weight: 600; letter-spacing: .04em; text-transform: uppercase;
  background: color-mix(in srgb, #7c5cff 14%, transparent); color: var(--accent-ink);
}
.project-live::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: #22c55e; animation: live 2s ease-in-out infinite; }
@keyframes live { 50% { opacity: .3; } }
.project-links { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-top: 22px; }
.project-links .btn svg { width: 15px; height: 15px; fill: currentColor; stroke: none; }
.project-links .chip { text-decoration: none; }
@media (max-width: 860px) {
  .project { grid-template-columns: 1fr; gap: 20px; padding: 28px 22px; }
  .project-visual { max-width: 240px; }
}

/* CV button + last-updated note */
.cv-actions { display: flex; flex-direction: column; align-items: flex-end; gap: 6px; }
.cv-updated { font-size: 13px; color: var(--ink-faint); }
@media (max-width: 640px) { .cv-actions { align-items: flex-start; } }