:root{
  --bg: #070A0F;
  --bg2:#05060A;
  --text:#E9EEF7;
  --muted:#AEB8CB;
  --line: rgba(220,230,245,.18);
  --glass: rgba(15,18,28,.64);
  --glassBorder: rgba(220,230,245,.16);
  --accent:#53D6FF;
  --accent2:#8CF0D2;
  --shadow: 0 18px 50px rgba(0,0,0,.55);
}
/* Full-screen galaxy background image */
.bg-photo{
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
}

.bg-photo img{
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Canvas background must stay fixed behind the whole page */
#field {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  pointer-events: none;
}

/* Vignette sits above canvas but below content */
.bg-vignette {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: transparent;
}

/* Everything else must sit above both */
main,
footer {
  position: relative;
  z-index: 2;
}

*{ box-sizing:border-box; }
html,body{ height:100%; }
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  color:var(--text);
  background: var(--bg);
  overflow-x:hidden;
}


a{ color:inherit; text-decoration:none; }
a:hover{ text-decoration:underline; text-underline-offset: 3px; }

.container{
  width:min(1120px, calc(100% - 48px));
  margin:0 auto;
}

/* Top bar */
.topbar{
  position:sticky;
  top:0;
  z-index:50;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  background: linear-gradient(180deg, rgba(7,10,15,.92), rgba(7,10,15,.55));
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.topbar__inner{
  height:68px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
}
@media (max-width: 860px){
  .topbar__inner{ position: relative; }

  .nav{
    position: absolute;
    right: 0;
    top: 72px;
    z-index: 1100;         /* above hero text/cards */
    pointer-events: auto;  /* ensure clickable */
  }

  .navToggle{
    position: relative;
    z-index: 1200;         /* hamburger above everything */
  }
}

.brand{ display:flex; align-items:center; gap:12px; min-width: 210px; }
.brand__mark{
  width:12px; height:12px; border-radius:999px;
  background: radial-gradient(circle at 30% 30%, var(--accent), rgba(83,214,255,.25));
  box-shadow: 0 0 18px rgba(83,214,255,.35);
}
.brand__text{ font-weight:650; letter-spacing:.2px; }

.nav{ display:flex; align-items:center; gap:18px; flex-wrap:wrap; justify-content:flex-end; }
.nav a{ color: rgba(233,238,247,.85); font-size:14px; padding:10px 8px; border-radius:10px; }
.nav a:hover{ background: rgba(255,255,255,.06); text-decoration:none; }
.nav__cta{
  border:1px solid transparent;
  background: transparent;
}

/* Active nav item (multi-page) */
.nav a[aria-current="page"]{
  background: rgba(255,255,255,.08);
  color: rgba(233,238,247,.95);
}

/* Hero */
.hero{
  padding: 68px 0 36px;
  min-height: 100vh;
}

.hero__grid{
  display:grid;
  grid-template-columns: 1.2fr .9fr;
  gap:24px;
  align-items:stretch;
}

.eyebrow{
  display:inline-block;
  margin:0 0 10px;
  padding:8px 12px;
  border:1px solid rgba(255,255,255,.10);
  border-radius:999px;
  color: rgba(233,238,247,.78);
  font-size: 13px;
  background: rgba(255,255,255,.04);
}

h1{
  margin: 0 0 12px;
  font-size: clamp(40px, 4.2vw, 58px);
  line-height: 1.02;
  letter-spacing: -0.5px;
}

.accent{
  color: var(--accent);
  text-shadow: 0 0 26px rgba(83,214,255,.24);
}

.lede{
  margin: 0 0 18px;
  color: rgba(233,238,247,.82);
  font-size: 16.5px;
  line-height: 1.55;
  max-width: 60ch;
}

.hero__actions{ display:flex; gap:12px; flex-wrap:wrap; margin: 18px 0 16px; }
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding: 12px 16px;
  border-radius: 12px;
  border:1px solid transparent;
  font-weight: 650;
  letter-spacing:.2px;
  font-size: 14px;
  text-decoration:none !important;
}
.btn--primary{
  background: linear-gradient(180deg, rgba(83,214,255,.95), rgba(83,214,255,.62));
  color: #041019;
  box-shadow: 0 14px 40px rgba(83,214,255,.18);
}
.btn--primary:hover{ filter: brightness(1.05); }
.btn--ghost{
  background: rgba(255,255,255,.06);
  border-color: rgba(255,255,255,.12);
  color: rgba(233,238,247,.88);
}
.btn--ghost:hover{ background: rgba(255,255,255,.09); }

.hero__meta{ display:flex; gap:10px; flex-wrap:wrap; }
.pill{
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.10);
  color: rgba(233,238,247,.78);
  background: rgba(255,255,255,.04);
  font-size: 12.5px;
}

/* Glass */
.glass{
  background: var(--glass);
  border: 1px solid var(--glassBorder);
  border-radius: 18px;
  box-shadow: var(--shadow);
}
.pad{ padding: 18px; }

.hero__card{ position:relative; overflow:hidden; }
.hero__cardInner{ padding: 20px; }
.hero__card::before{
  content:"";
  position:absolute;
  inset:-2px;
  background:
    radial-gradient(800px 220px at 25% 0%, rgba(83,214,255,.20), transparent 55%),
    radial-gradient(650px 240px at 80% 20%, rgba(140,240,210,.12), transparent 55%);
  opacity:.8;
  pointer-events:none;
}
.hero__cardInner{ position:relative; }

.h3{ font-size: 18px; margin:0 0 10px; }
.h4{ font-size: 16px; margin:0 0 10px; }

.stack{ display:grid; gap:10px; margin: 14px 0 10px; }
.kpi{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:12px;
  padding: 12px 12px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.04);
}
.kpi__label{ color: rgba(233,238,247,.68); font-size: 12.5px; }
.kpi__value{ font-weight: 600; font-size: 13.5px; color: rgba(233,238,247,.88); }

.hero__cardActions{ display:flex; justify-content:space-between; gap:12px; flex-wrap:wrap; margin-top: 10px; }
.link{ color: rgba(83,214,255,.90); font-weight: 600; font-size: 13.5px; }
.link:hover{ text-decoration:underline; }

/* Tiles grid (home page) */
.tri{ display:grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 18px; }
.tile{ display:flex; gap:12px; align-items:flex-start; padding: 16px; }
.tile:hover{ transform: translateY(-2px); transition: transform .18s ease; text-decoration:none; }
.tile__icon{
  width:36px; height:36px;
  border-radius: 12px;
  display:grid; place-items:center;
  border:1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.05);
  color: rgba(233,238,247,.86);
}
.tile__title{ font-weight: 700; margin-bottom: 2px; }
.tile__text{ color: rgba(233,238,247,.72); font-size: 13.5px; line-height: 1.35; }

/* Sections */
.section{ padding: 44px 0; }
.section__head{ margin-bottom: 14px; }
.section__head h2{ margin:0 0 6px; font-size: 26px; letter-spacing:-.2px; }
.muted{ color: var(--muted); }

/* Page title (multi-page) */
.pageTitle{ padding: 54px 0 10px; }
.pageTitle__h1{
  margin: 0 0 6px;
  font-size: clamp(34px, 3.2vw, 44px);
  line-height: 1.1;
  letter-spacing: -0.4px;
}
.pageTitle__lede{ margin: 8px 0 0; max-width: 70ch; }

/* Simple split row used for call-to-action blocks */
.split{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 14px;
  flex-wrap: wrap;
}
.split__actions{ display:flex; gap: 10px; flex-wrap: wrap; justify-content:flex-end; }

.grid2{ display:grid; grid-template-columns: 1fr 1fr; gap: 14px; }

.bullets{ margin:0; padding-left: 18px; }
.bullets li{ margin: 8px 0; color: rgba(233,238,247,.85); }

.cards{ display:grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.card{ padding: 18px; }
.card p{ color: rgba(233,238,247,.80); line-height: 1.55; margin: 0 0 12px; }

/* Responsive YouTube embed */
.yt{
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  margin-top: 12px;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(0,0,0,.35);
}

.yt iframe{
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.outreachLinks{ margin-top: 10px; }
/* Research: visual concepts grid */
.researchViz{ margin-top: 18px; }
.researchViz .h4{ margin: 0 0 6px; }
.researchViz .muted{ margin: 0 0 14px; }

.vizGrid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  align-items: stretch;
}

.vizCard{
  overflow:hidden;
  display:flex;
  flex-direction: column;
}

.vizMedia{
  background: rgba(255,255,255,.03);
  border-bottom: 1px solid rgba(255,255,255,.08);
}

.vizMedia img{
  display:block;
  width:100%;
  height: 220px;
  object-fit: cover;
  background: rgba(0,0,0,.25);
}

.vizCaption{ padding: 16px 18px 18px; }
.vizTitle{ font-weight: 750; margin-bottom: 6px; letter-spacing: .1px; }
.vizText{ font-size: 13.5px; line-height: 1.55; }

@media (max-width: 980px){
  .vizGrid{ grid-template-columns: 1fr; }
  .vizMedia img{ height: 240px; }
}

.tags{ display:flex; gap:8px; flex-wrap:wrap; }
.tag{
  font-size: 12px;
  padding: 7px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.04);
  color: rgba(233,238,247,.78);
}

/* Publications */
.pubs{ list-style:none; margin:0; padding:0; display:grid; gap: 12px; }
.pubs li{ display:grid; grid-template-columns: 84px 1fr; gap: 14px; align-items:start; }
.pubs__year{ color: rgba(83,214,255,.86); font-weight: 700; }
.pubs__title{ font-weight: 650; margin-bottom: 2px; }
.pubs__meta{ color: rgba(233,238,247,.68); font-size: 13px; }

/* Contact */
.contact{ display:grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.contact__label{ color: rgba(233,238,247,.62); font-size: 12.5px; margin-bottom: 4px; }
.contact__value{ font-weight: 650; color: rgba(233,238,247,.88); }

.footer{ padding: 28px 0 34px; border-top: 1px solid rgba(255,255,255,.06); }
.footer__inner{ display:flex; justify-content:space-between; gap: 16px; flex-wrap:wrap; }
.footer__readme{
  color: inherit;
  opacity: 0.8;
  text-decoration: none;
}
.footer__readme:hover{
  opacity: 1;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* Responsiveness */
@media (max-width: 980px){
  .hero__grid{ grid-template-columns: 1fr; }
  .tri{ grid-template-columns: 1fr; }
  .cards{ grid-template-columns: 1fr; }
  .grid2{ grid-template-columns: 1fr; }
  .contact{ grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce){
  .tile:hover{ transform:none; }
}
.streamIntro{
  margin: 0 0 10px;
}

.streamGrid{
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.streamChip{
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 9px 10px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.05);
  color: rgba(233,238,247,.90);
  font-size: 13px;
  font-weight: 620;
  text-decoration: none !important;
  transition: background .18s ease, border-color .18s ease, transform .18s ease;
}

.streamChip:hover{
  background: rgba(255,255,255,.09);
  border-color: rgba(255,255,255,.26);
  text-decoration: none;
  transform: translateY(-1px);
}

.streamChip--accent{
  border-color: rgba(83,214,255,.38);
  background: linear-gradient(180deg, rgba(83,214,255,.20), rgba(83,214,255,.10));
}

.streamFine{
  margin: 8px 0 0;
  font-size: 12px;
}

@media (max-width: 560px){
  .streamGrid{
    grid-template-columns: 1fr;
  }
}

/* Mobile nav toggle (hamburger) */
.navToggle{
  display:none;
  width:44px;
  height:44px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.06);
  align-items:center;
  justify-content:center;
  gap:6px;
  cursor:pointer;
}

.navToggle__bar{
  display:block;
  width:18px;
  height:2px;
  background: rgba(233,238,247,.88);
  border-radius: 999px;
}

/* Desktop nav stays the same */
@media (max-width: 860px){
  .topbar__inner{ align-items:center; }
  .navToggle{ display:inline-flex; }

  /* Collapse nav into a dropdown panel */
  .nav{
    position: absolute;
    right: 24px;
    top: 72px;
    width: min(260px, calc(100vw - 48px));
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
    padding: 10px;
    border-radius: 16px;
    background: rgba(7,10,15,.92);
    border: 1px solid rgba(255,255,255,.10);
    box-shadow: 0 18px 50px rgba(0,0,0,.55);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);

    display: none; /* closed by default */
  }

  .nav[data-open="true"]{ display:flex; }

  .nav a{
    padding: 12px 12px;
    border-radius: 12px;
    font-size: 14.5px;
  }

  /* Make the CTA button full width */
  .nav__cta{
    text-align: center;
  }
}
.fieldUI{
  position: fixed;
  right: 16px;
  bottom: 16px;
  z-index: 9999;
  width: min(320px, calc(100vw - 32px));
  pointer-events: auto;
}

.fieldUI *{
  pointer-events: auto;
}

.fieldUI__toggle{
  width: 100%;
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid rgba(83,214,255,.35);
  background: linear-gradient(180deg, rgba(83,214,255,.22), rgba(83,214,255,.12));
  color: rgba(233,238,247,.98);
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 12px 30px rgba(83,214,255,.14), inset 0 1px 0 rgba(255,255,255,.12);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.fieldUI__toggle:hover{
  background: linear-gradient(180deg, rgba(83,214,255,.28), rgba(83,214,255,.16));
}

.fieldUI__toggle:focus-visible{
  outline: 2px solid rgba(83,214,255,.65);
  outline-offset: 2px;
}

.fieldUI__panel{
  display: none;
  margin-top: 10px;
  padding: 12px 12px 10px;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(7,10,15,.78);
  box-shadow: 0 18px 50px rgba(0,0,0,.55);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.fieldUI[data-open="true"] .fieldUI__panel{ display:block; }

.fieldUI__row{
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 10px;
  align-items: center;
  padding: 8px 0;
  font-size: 13px;
  color: rgba(233,238,247,.86);
}

.fieldUI__row input[type="range"]{
  width: 100%;
}

.fieldUI__note{
  margin-top: 8px;
  font-size: 12px;
  color: rgba(233,238,247,.62);
  line-height: 1.35;
}