:root{
  --bg: #0b0f1a;
  --bg2: #0a1226;
  --text: rgba(255,255,255,.92);
  --muted: rgba(255,255,255,.70);
  --faint: rgba(255,255,255,.12);
  --card: rgba(255,255,255,.01);
  --card2: rgba(255,255,255,.08);
  --border: rgba(255,255,255,.14);
  --shadow: 0 20px 60px rgba(0,0,0,.45);

  --accent: #9b4cea;
  --accent2: #00ddad;
  --accent3: #ff64a7;
  --accent4: #ffc964;

  --radius: 18px;
  --radius2: 26px;
  --container: 1060px;
  --pad: clamp(18px, 3vw, 28px);
  --header-h: 72px;
}

html{
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *{ animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}

body{
  margin: 0;
  color: var(--text);
  background: radial-gradient(1000px 650px at 15% 15%, rgba(155,76,234,.22), transparent 60%),
              radial-gradient(900px 600px at 80% 20%, rgba(0,221,173,.18), transparent 55%),
              radial-gradient(1100px 700px at 55% 85%, rgba(255,100,167,.14), transparent 60%),
              linear-gradient(180deg, var(--bg), var(--bg2));
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.55;
  letter-spacing: -0.01em;
}

/* Light theme toggled via JS */
body[data-theme="light"]{
  --bg: #f7f7fb;
  --bg2: #ffffff;
  --text: rgba(15,18,28,.92);
  --muted: rgba(15,18,28,.64);
  --faint: rgba(15,18,28,.10);
  --card: rgba(15,18,28,.02);
  --card2: rgba(15,18,28,.06);
  --border: rgba(15,18,28,.14);
  --shadow: 0 22px 70px rgba(18,22,35,.12);
}

a{
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  text-decoration-color: rgba(255,255,255,.35);
}

body[data-theme="light"] a{
  text-decoration-color: rgba(15,18,28,.25);
}

a:hover{
  text-decoration-color: currentColor;
}

.skip-link{
  position: absolute;
  left: 10px;
  top: 10px;
  padding: 10px 12px;
  border-radius: 12px;
  background: var(--card2);
  border: 1px solid var(--border);
  transform: translateY(-140%);
  transition: transform 180ms ease;
  z-index: 9999;
}
.skip-link:focus{ transform: translateY(0); }

.container{
  width: min(var(--container), calc(100% - 2*var(--pad)));
  margin-inline: auto;
  padding: 2rem
}

#ambient{
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: .55;
  filter: blur(0.2px) saturate(1.08);
}
body[data-theme="light"] #ambient{ opacity: .35; }

.site-header{
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
}
.site-header[data-stuck="true"]{
  border-bottom-color: var(--border);
  background: rgba(10, 18, 38, .72);
  background: color-mix(in oklab, var(--bg2), transparent 25%);
}
body[data-theme="light"] .site-header[data-stuck="true"]{
  background: rgba(255,255,255,.72);
}

.nav{
  height: var(--header-h);
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 18px;
  width: min(var(--container), calc(100% - 2*var(--pad)));
  margin-inline: auto;
}

.nav__brand{
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-weight: 600;
  letter-spacing: -0.02em;
}
.mark{
  width: 14px;
  height: 14px;
  border-radius: 999px;
  background:
    radial-gradient(circle at 30% 30%, var(--accent4), transparent 55%),
    radial-gradient(circle at 70% 30%, var(--accent), transparent 60%),
    radial-gradient(circle at 55% 75%, var(--accent2), transparent 60%),
    radial-gradient(circle at 30% 75%, var(--accent3), transparent 60%),
    rgba(255,255,255,.2);
  box-shadow: 0 0 0 4px rgba(255,255,255,.04);
}

.nav__links{
  display: inline-flex;
  gap: 18px;
  align-items: center;
}
.nav__links a{
  text-decoration: none;
  color: var(--muted);
  font-weight: 500;
}
.nav__links a:hover{ color: var(--text); }

.nav__actions{
  display: inline-flex;
  gap: 12px;
  justify-content: end;
  align-items: center;
}

.nav__menu{
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--card);
}
.nav__menu span{
  display: block;
  height: 2px;
  width: 18px;
  margin: 4px auto;
  background: var(--text);
  opacity: .85;
}

.mobile-menu{
  width: min(var(--container), calc(100% - 2*var(--pad)));
  margin: 10px auto 14px;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: color-mix(in oklab, var(--bg2), transparent 20%);
  box-shadow: var(--shadow);
  display: grid;
  gap: 10px;
}
.mobile-menu a{
  text-decoration: none;
  padding: 10px 12px;
  border-radius: 12px;
  color: var(--muted);
  background: transparent;
}
.mobile-menu a:hover{
  background: var(--card2);
  color: var(--text);
}

.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 8px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text);
  text-decoration: none;
  font-family: inherit;
  font-weight: 600;
  font-size: 13px;
  letter-spacing: -0.02em;
  line-height: 1.2;
  box-shadow: none;
  transition: background 140ms ease, border-color 140ms ease, color 140ms ease, opacity 140ms ease;
}
.btn:hover{ opacity: 0.92; }
.btn:active{ opacity: 1; }

.btn--primary{
  background: rgba(255,255,255,.94);
  border-color: rgba(255,255,255,.22);
  color: #0b0f1a;
}
body[data-theme="light"] .btn--primary{
  background: #111827;
  border-color: rgba(15,18,28,.18);
  color: #f9fafb;
}
.btn--primary:hover{
  border-color: rgba(255,255,255,.35);
}
body[data-theme="light"] .btn--primary:hover{
  border-color: rgba(15,18,28,.35);
}

.btn--ghost{
  background: transparent;
  border-color: var(--border);
  color: var(--text);
}
.btn--ghost:hover{
  background: rgba(255,255,255,.06);
  border-color: rgba(255,255,255,.22);
}
body[data-theme="light"] .btn--ghost:hover{
  background: rgba(15,18,28,.05);
  border-color: rgba(15,18,28,.22);
}

.btn--small{
  padding: 8px 14px;
  font-size: 12.5px;
  border-radius: 7px;
}

.theme-toggle{
  width: 42px;
  height: 42px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  cursor: pointer;
  transition: transform 120ms ease, background 120ms ease;
}
.theme-toggle:hover{ background: var(--card2); transform: translateY(-1px); }
.theme-toggle__icon{
  display: block;
  width: 18px;
  height: 18px;
  margin: 0 auto;
  border-radius: 999px;
  background:
    radial-gradient(circle at 30% 30%, var(--accent4), transparent 56%),
    radial-gradient(circle at 70% 30%, var(--accent), transparent 60%),
    radial-gradient(circle at 55% 75%, var(--accent2), transparent 60%),
    rgba(255,255,255,.25);
  box-shadow: inset 0 0 0 2px rgba(255,255,255,.22);
}
body[data-theme="light"] .theme-toggle__icon{
  box-shadow: inset 0 0 0 2px rgba(15,18,28,.20);
}

.hero{
  padding: clamp(44px, 7vw, 86px) 0 28px;
}
.hero__inner{
  display: block;
}
.hero__split{
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: clamp(12px, 2.2vw, 22px);
  align-items: start;
}
.hero__body{
  min-width: 0;
}
.hero__photo{
  flex-shrink: 0;
  line-height: 0;
}
.hero__photo-img{
  --hero-photo: clamp(140px, min(24vw, 196px), 196px);
  width: var(--hero-photo);
  max-width: 100%;
  height: auto;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 100%;
  display: block;
}

.kicker{
  margin: 0 0 12px;
  color: var(--muted);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.hero__title{
  margin: 0 0 14px;
  font-family: Newsreader, ui-serif, Georgia, serif;
  font-weight: 600;
  letter-spacing: -0.04em;
  line-height: 1.06;
  font-size: clamp(36px, 4.8vw, 56px);
}

.hero__lede{
  margin: 0 0 1rem;
  color: rgba(255,255,255,.90);
  font-family: "Instrument Sans", Inter, system-ui, -apple-system, Segoe UI, sans-serif;
  font-size: 17px;
  font-weight: 500;
  font-synthesis: none;
  letter-spacing: -0.035em;
  line-height: 1.52;
  max-width: 58ch;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}
body[data-theme="light"] .hero__lede{
  color: rgba(15,18,28,.88);
}
.hero__lede a{
  color: rgba(255,255,255,.96);
  text-decoration-color: rgba(255,255,255,.45);
}
body[data-theme="light"] .hero__lede a{
  color: rgba(15,18,28,.94);
  text-decoration-color: rgba(15,18,28,.35);
}
.hero__lede:last-of-type{
  margin-bottom: 20px;
}

.hero__cta{
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 18px 0 18px;
}

.links{
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 12px;
}

.chip{
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: transparent;
  text-decoration: none;
  color: var(--muted);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: -0.02em;
  transition: background 140ms ease, border-color 140ms ease, color 140ms ease;
}
.chip:hover{
  background: rgba(255,255,255,.06);
  border-color: rgba(255,255,255,.22);
  color: var(--text);
}
body[data-theme="light"] .chip:hover{
  background: rgba(15,18,28,.05);
  border-color: rgba(15,18,28,.22);
}

.hero__meta{
  border-top: 1px solid var(--border);
  padding: 14px 18px 18px;
  display: grid;
  gap: 10px;
}
.meta{
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 10px;
  align-items: baseline;
}
.meta__label{
  color: var(--muted);
  font-weight: 600;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.meta__value{
  color: var(--text);
  font-weight: 600;
}

.section{
  padding: clamp(44px, 6vw, 78px) 0;
}
.section--alt{
  background: linear-gradient(180deg, transparent, rgba(255,255,255,.03), transparent);
}

.section__grid{
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: clamp(18px, 5vw, 44px);
  align-items: start;
}
.section__title h2{
  margin: 0 0 10px;
  font-family: Newsreader, ui-serif, Georgia, serif;
  letter-spacing: -0.03em;
  font-weight: 600;
  font-size: 34px;
}

.section__header{
  margin-bottom: 22px;
}
.section__header h2{
  margin: 0 0 8px;
  font-family: Newsreader, ui-serif, Georgia, serif;
  letter-spacing: -0.03em;
  font-weight: 600;
  font-size: 34px;
}

.muted{ color: var(--muted); }
.small{ font-size: 14px; }

.prose{
  max-width: 70ch;
}
.prose p{
  margin: 0 0 14px;
  font-size: 17px;
}
.prose a{
  color: color-mix(in oklab, var(--accent2), white 5%);
  text-decoration-color: color-mix(in oklab, var(--accent2), transparent 55%);
}
body[data-theme="light"] .prose a{
  color: color-mix(in oklab, var(--accent), black 10%);
}

.callout{
  margin-top: 18px;
  border: 1px solid var(--border);
  background: var(--card);
  border-radius: var(--radius);
  padding: 16px 16px 12px;
}
.callout__title{
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 10px;
}
.pill-list{
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
}
.pill-list li{
  margin: 6px 0;
}

.cards{
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}
.card{
  border: 1px solid var(--border);
  background: var(--card);
  border-radius: var(--radius);
  padding: 16px 16px 14px;
  transition: transform 140ms ease, background 140ms ease, border-color 140ms ease;
}
.card:hover{
  transform: translateY(-2px);
  background: var(--card2);
}
.card h3{
  margin: 0 0 8px;
  font-size: 18px;
  letter-spacing: -0.02em;
}
.card p{
  margin: 0 0 12px;
}
.card__actions{
  display: flex;
  gap: 10px;
  align-items: center;
}
.card--highlight{
  background: radial-gradient(700px 260px at 10% 10%, rgba(255,201,100,.10), transparent 60%),
              radial-gradient(700px 260px at 90% 30%, rgba(155,76,234,.14), transparent 55%),
              var(--card);
}

.timeline{
  display: grid;
  gap: 10px;
}
.item{
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--card);
  padding: 12px 14px;
}
.item summary{
  cursor: pointer;
  list-style: none;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: baseline;
}
.item summary::-webkit-details-marker{ display: none; }
.item__role{
  font-weight: 700;
  letter-spacing: -0.02em;
}
.item__time{
  color: var(--muted);
  font-weight: 600;
  font-size: 14px;
}
.item__body{
  margin-top: 10px;
  color: var(--muted);
  padding-left: 0;
}

.bullets{
  margin: 0;
  padding-left: 18px;
}
.bullets li{
  margin: 8px 0;
}
.bullets a{
  color: color-mix(in oklab, var(--accent2), white 5%);
  text-decoration-color: color-mix(in oklab, var(--accent2), transparent 55%);
}
body[data-theme="light"] .bullets a{
  color: color-mix(in oklab, var(--accent), black 10%);
}

/* Experience: "Life updates" timeline (separate from Publications timeline) */
.life-timeline{
  --rail: 20px;
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
  position: relative;
}
.life-timeline::before{
  content: "";
  position: absolute;
  top: 6px;
  bottom: 6px;
  left: var(--rail);
  width: 1px;
  background: var(--border);
  opacity: .9;
}

.life-item{
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 14px;
  align-items: start;
  position: relative;
}
.life-item::before{
  content: "";
  position: absolute;
  left: calc(var(--rail) - 5px);
  top: 18px;
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background:
    radial-gradient(circle at 30% 30%, rgba(255,201,100,.95), rgba(255,201,100,0) 55%),
    radial-gradient(circle at 75% 35%, rgba(155,76,234,.95), rgba(155,76,234,0) 58%),
    radial-gradient(circle at 55% 80%, rgba(0,221,173,.95), rgba(0,221,173,0) 60%),
    rgba(255,255,255,.55);
  box-shadow:
    0 0 0 4px rgba(255,255,255,.06),
    0 0 0 1px rgba(255,255,255,.12);
}
body[data-theme="light"] .life-item::before{
  background:
    radial-gradient(circle at 30% 30%, rgba(255,201,100,.75), rgba(255,201,100,0) 55%),
    radial-gradient(circle at 75% 35%, rgba(155,76,234,.75), rgba(155,76,234,0) 58%),
    radial-gradient(circle at 55% 80%, rgba(0,221,173,.75), rgba(0,221,173,0) 60%),
    rgba(15,18,28,.55);
  box-shadow:
    0 0 0 4px rgba(15,18,28,.05),
    0 0 0 1px rgba(15,18,28,.12);
}

.life-date{
  padding-left: calc(var(--rail) + 14px);
  color: var(--muted);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: -0.02em;
  white-space: nowrap;
}

.life-card{
  padding: 2px 0 4px;
}
.life-title{
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 6px;
}
.life-text{
  color: rgba(255,255,255,.86);
  font-size: 15px;
  letter-spacing: -0.02em;
  line-height: 1.55;
}
body[data-theme="light"] .life-text{
  color: rgba(15,18,28,.86);
}
.life-text a{
  color: inherit;
  text-decoration-color: rgba(255,255,255,.40);
}
body[data-theme="light"] .life-text a{
  text-decoration-color: rgba(15,18,28,.30);
}
.life-text a:hover{
  text-decoration-color: currentColor;
}
.life-meta{
  margin-top: 8px;
  font-size: 13px;
}

.life-card em{
  font-style: italic;
}

.pub__title{
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 6px;
}
.pub__venue{
  font-weight: 700;
  color: var(--text);
  margin-bottom: 6px;
}
.pub__venue a{
  color: inherit;
  text-decoration-color: rgba(255,255,255,.38);
}
body[data-theme="light"] .pub__venue a{
  text-decoration-color: rgba(15,18,28,.28);
}
.pub__links{
  margin-left: 10px;
  display: inline-flex;
  gap: 10px;
  font-weight: 600;
  font-size: 13px;
  color: var(--muted);
}
.pub__links a{
  color: var(--muted);
  text-decoration-color: transparent;
}
.pub__links a:hover{
  color: var(--text);
  text-decoration-color: currentColor;
}
.pub__authors{
  font-size: 14px;
}

.split{
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}
.panel{
  /* border: 1px solid var(--border); */
  border-radius: var(--radius2);
  /* background: var(--card); */
  padding: 16px;
  overflow: hidden;
}
.panel h3{
  margin: 0 0 12px;
  letter-spacing: -0.02em;
}
.embed{
  border-radius: 16px;
  border: 1px solid var(--border);
  overflow: hidden;
  background: rgba(0,0,0,.2);
}
.embed iframe{
  width: 100%;
  border: 0;
  display: block;
  height: 500px;
}
.embed iframe[title="Spotify playlist"]{
  height: 380px;
}

.contact{
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 18px;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: var(--radius2);
  background: radial-gradient(900px 260px at 10% 20%, rgba(0,221,173,.10), transparent 60%),
              radial-gradient(900px 260px at 90% 40%, rgba(255,100,167,.10), transparent 55%),
              var(--card);
  padding: 18px;
}
.contact h2{
  margin: 0 0 8px;
  font-family: Newsreader, ui-serif, Georgia, serif;
  letter-spacing: -0.03em;
  font-weight: 600;
  font-size: 34px;
}
.contact__actions{
  display: flex;
  flex-wrap: wrap;
  justify-content: end;
  gap: 10px;
}

.footer{
  padding: 26px 0 34px;
}
.footer__inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  border-top: 1px solid var(--border);
  padding-top: 18px;
}

/* Responsive */
@media (max-width: 920px){
  .hero__split{
    grid-template-columns: 1fr;
    gap: 22px;
  }
  .hero__photo{
    order: 1;
    justify-self: center;
  }
  .hero__body{
    order: 2;
  }
  .life-timeline{
    --rail: 14px;
  }
  .life-item{
    grid-template-columns: 1fr;
    gap: 10px;
  }
  .life-date{
    padding-left: calc(var(--rail) + 14px);
  }
  .section__grid{ grid-template-columns: 1fr; }
  .cards{ grid-template-columns: 1fr; }
  .split{ grid-template-columns: 1fr; }
  .contact{ grid-template-columns: 1fr; }
  .contact__actions{ justify-content: start; }
}

@media (max-width: 760px){
  .nav{
    grid-template-columns: 1fr auto auto;
  }
  .nav__links{ display: none; }
  .nav__menu{ display: inline-block; }
}

@media (max-width: 420px){
  .meta{ grid-template-columns: 1fr; gap: 6px; }
}