:root{
  --bg:#080b12;
  --surface:#0e131d;
  --surface2:#121925;
  --text:#eef2f7;
  --muted:#8d98a9;
  --line:rgba(255,255,255,.09);
  --accent:#78e6d0;
  --accent2:#8ca7ff;
  --hot:#d3a7ff;
  --max:1180px;
  --radius:24px;
}

*{
  box-sizing:border-box;
  margin:0;
  padding:0
}

html{
  scroll-behavior:smooth
}

body{
  background:var(--bg);
  color:var(--text);
  font-family:"DM Sans",sans-serif;
  line-height:1.65;
  overflow-x:hidden
}

body:before{
  content:"";
  position:fixed;
  inset:0;
  background:
    radial-gradient(circle at 80% 10%,rgba(120,230,208,.08),transparent 28%),
    radial-gradient(circle at 10% 70%,rgba(140,167,255,.07),transparent 30%);
  pointer-events:none
}

a{
  color:inherit;
  text-decoration:none
}

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

.section{
  padding:125px 0;
  position:relative
}

.noise{
  position:fixed;
  inset:0;
  opacity:.035;
  pointer-events:none;
  z-index:100;
  background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.5'/%3E%3C/svg%3E")
}

.site-header{
  position:fixed;
  top:0;
  left:0;
  right:0;
  z-index:50;
  background:rgba(8,11,18,.7);
  backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(255,255,255,.05)
}

.nav{
  height:78px;
  display:flex;
  align-items:center;
  justify-content:space-between
}

.brand{
  display:flex;
  align-items:center;
  gap:11px;
  font:700 13px "Space Grotesk";
  letter-spacing:.16em
}

.brand-mark{
  display:grid;
  place-items:center;
  width:34px;
  height:34px;
  border:1px solid rgba(120,230,208,.5);
  border-radius:10px;
  color:var(--accent);
  font-size:11px
}

.nav-links{
  display:flex;
  align-items:center;
  gap:28px;
  font-size:13px;
  color:#b8c0ce
}

.nav-links a{
  transition:.25s
}

.nav-links a:hover{
  color:#fff
}

.nav-cv{
  border:1px solid var(--line);
  padding:9px 14px;
  border-radius:99px;
  color:#fff!important
}

.nav-toggle{
  display:none;
  background:none;
  border:0
}

.hero{
  min-height:100vh;
  padding-top:160px;
  display:flex;
  align-items:center;
  overflow:hidden
}

.hero-grid{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:70px;
  align-items:center
}

.eyebrow{
  font:600 11px "Space Grotesk";
  letter-spacing:.2em;
  color:var(--accent);
  margin-bottom:22px
}

.pulse{
  display:inline-block;
  width:7px;
  height:7px;
  border-radius:50%;
  background:var(--accent);
  box-shadow:0 0 15px var(--accent);
  margin-right:8px
}

.hero h1{
  font:600 clamp(48px,6.5vw,88px)/.99 "Space Grotesk";
  letter-spacing:-.055em;
  max-width:800px
}

.gradient-text{
  background:linear-gradient(110deg,var(--accent),var(--accent2),var(--hot));
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent
}

.hero-lead{
  max-width:650px;
  color:var(--muted);
  font-size:18px;
  margin:30px 0 34px
}

.hero-actions{
  display:flex;
  gap:12px;
  flex-wrap:wrap
}

.btn{
  padding:14px 20px;
  border-radius:99px;
  font-weight:600;
  font-size:14px;
  transition:.3s
}

.btn-primary{
  background:var(--text);
  color:#080b12
}

.btn-primary:hover{
  transform:translateY(-3px);
  box-shadow:0 12px 30px rgba(255,255,255,.12)
}

.btn-ghost{
  border:1px solid var(--line)
}

.btn-ghost:hover{
  border-color:rgba(120,230,208,.5);
  transform:translateY(-3px)
}

.hero-meta{
  display:flex;
  gap:42px;
  margin-top:62px;
  padding-top:22px;
  border-top:1px solid var(--line)
}

.hero-meta div{
  display:flex;
  flex-direction:column
}

.hero-meta strong{
  font:600 13px "Space Grotesk"
}

.hero-meta span{
  font-size:11px;
  color:var(--muted);
  margin-top:3px
}

.hero-visual{
  height:590px;
  position:relative;
  border:1px solid var(--line);
  border-radius:36px;
  overflow:hidden;
  background:linear-gradient(145deg,#0d1420,#090c13)
}

.grid-lines{
  position:absolute;
  inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:45px 45px;
  mask-image:linear-gradient(to bottom,transparent,#000 20%,#000 80%,transparent)
}

.orb{
  position:absolute;
  border-radius:50%;
  filter:blur(2px);
  opacity:.55
}

.orb-a{
  width:350px;
  height:350px;
  left:-80px;
  top:80px;
  background:radial-gradient(circle,rgba(120,230,208,.4),transparent 65%);
  animation:float 7s ease-in-out infinite
}

.orb-b{
  width:300px;
  height:300px;
  right:-80px;
  bottom:30px;
  background:radial-gradient(circle,rgba(140,167,255,.38),transparent 65%);
  animation:float 9s ease-in-out infinite reverse
}

.scan{
  position:absolute;
  left:0;
  right:0;
  height:1px;
  background:linear-gradient(90deg,transparent,var(--accent),transparent);
  box-shadow:0 0 20px var(--accent);
  animation:scan 5s ease-in-out infinite
}

.vision-core{
  position:absolute;
  width:230px;
  height:230px;
  left:50%;
  top:50%;
  transform:translate(-50%,-50%);
  border:1px solid rgba(120,230,208,.25);
  border-radius:50%;
  display:grid;
  place-items:center;
  text-align:center;
  color:var(--accent);
  font:600 14px/1.3 "Space Grotesk";
  letter-spacing:.18em
}

.core-ring{
  position:absolute;
  inset:22px;
  border:1px dashed rgba(140,167,255,.45);
  border-radius:50%;
  animation:spin 16s linear infinite
}

.core-dot{
  position:absolute;
  width:8px;
  height:8px;
  border-radius:50%;
  background:#fff;
  box-shadow:0 0 30px 7px var(--accent);
  animation:blink 2s infinite
}

.reticle{
  position:absolute;
  width:75px;
  height:75px;
  border:1px solid rgba(120,230,208,.4);
  border-radius:50%
}

.reticle:before,
.reticle:after{
  content:"";
  position:absolute;
  background:var(--accent);
  opacity:.6
}

.reticle:before{
  height:1px;
  width:100%;
  top:50%
}

.reticle:after{
  width:1px;
  height:100%;
  left:50%
}

.reticle i{
  position:absolute;
  width:5px;
  height:5px;
  border-radius:50%;
  background:var(--accent);
  top:17px;
  left:17px
}

.reticle-a{
  left:18%;
  top:24%
}

.reticle-b{
  right:15%;
  bottom:21%;
  transform:scale(.7);
  border-color:rgba(140,167,255,.4)
}

.data-card{
  position:absolute;
  padding:12px 15px;
  border:1px solid var(--line);
  border-radius:12px;
  background:rgba(10,15,23,.75);
  backdrop-filter:blur(10px);
  font-family:"Space Grotesk"
}

.data-card span{
  display:block;
  font-size:9px;
  color:var(--muted);
  letter-spacing:.16em
}

.data-card b{
  font-size:16px;
  color:#fff
}

.card-a{
  top:18%;
  right:12%
}

.card-b{
  bottom:18%;
  left:10%
}

.scroll-cue{
  position:absolute;
  bottom:28px;
  left:50%;
  transform:translateX(-50%);
  font:500 9px "Space Grotesk";
  letter-spacing:.2em;
  color:#667181;
  display:flex;
  gap:10px;
  align-items:center
}

.scroll-cue span{
  height:30px;
  width:1px;
  background:linear-gradient(var(--accent),transparent)
}

.marquee-band{
  border-block:1px solid var(--line);
  overflow:hidden;
  background:#0a0f17
}

.marquee{
  display:flex;
  align-items:center;
  gap:28px;
  white-space:nowrap;
  padding:17px 0;
  min-width:max-content;
  animation:marquee 25s linear infinite;
  font:600 12px "Space Grotesk";
  letter-spacing:.15em
}

.marquee i{
  color:var(--accent);
  font-style:normal
}

.two-col{
  display:grid;
  grid-template-columns:.75fr 1.25fr;
  gap:120px
}

.section-intro h2,
.section-heading h2{
  font:500 clamp(38px,4vw,58px)/1.04 "Space Grotesk";
  letter-spacing:-.04em
}

.section-intro h2 em,
.section-heading h2 em{
  color:var(--accent);
  font-style:normal
}

.about-copy{
  max-width:730px
}

.large-copy{
  font:500 24px/1.5 "Space Grotesk";
  color:#dce2eb;
  margin-bottom:28px
}

.about-copy>p:not(.large-copy){
  color:var(--muted);
  margin-bottom:17px
}

.facts{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:10px;
  margin-top:38px
}

.facts div{
  padding:18px;
  border:1px solid var(--line);
  border-radius:16px;
  background:rgba(255,255,255,.02)
}

.facts span{
  display:block;
  color:var(--accent);
  font:600 10px "Space Grotesk";
  margin-bottom:10px
}

.facts strong{
  display:block;
  font:600 14px "Space Grotesk"
}

.facts small{
  color:var(--muted);
  font-size:10px
}

.section-heading{
  display:flex;
  justify-content:space-between;
  gap:40px;
  align-items:end;
  margin-bottom:50px
}

.section-heading>p{
  max-width:400px;
  color:var(--muted);
  font-size:14px
}

.research{
  background:linear-gradient(180deg,transparent,rgba(255,255,255,.018),transparent)
}

.research-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:14px
}

.research-card{
  min-height:360px;
  padding:28px;
  border:1px solid var(--line);
  border-radius:22px;
  background:rgba(255,255,255,.018);
  position:relative;
  overflow:hidden;
  transition:.35s
}

.research-card:hover{
  transform:translateY(-7px);
  border-color:rgba(120,230,208,.35);
  background:rgba(120,230,208,.035)
}

.research-card.featured{
  background:linear-gradient(
    145deg,
    rgba(120,230,208,.09),
    rgba(140,167,255,.035)
  )
}

.research-card .number{
  font:600 10px "Space Grotesk";
  color:#687386
}

.research-card .icon{
  position:absolute;
  right:25px;
  top:22px;
  font-size:31px;
  color:var(--accent)
}

.research-card h3{
  font:500 29px/1.05 "Space Grotesk";
  letter-spacing:-.03em;
  margin-top:75px
}

.research-card p{
  color:var(--muted);
  font-size:13px;
  margin-top:18px
}

.tags{
  display:flex;
  flex-wrap:wrap;
  gap:6px;
  position:absolute;
  bottom:25px
}

.tags span{
  border:1px solid var(--line);
  border-radius:99px;
  padding:5px 9px;
  font-size:9px;
  color:#aeb8c7
}

.timeline{
  position:relative;
  margin-top:55px
}

.timeline:before{
  content:"";
  position:absolute;
  left:190px;
  top:0;
  bottom:0;
  width:1px;
  background:var(--line)
}

.timeline-item{
  display:grid;
  grid-template-columns:170px 40px 1fr;
  gap:20px;
  padding-bottom:65px
}

.timeline-date{
  font:600 10px "Space Grotesk";
  color:#737e90;
  text-align:right;
  padding-top:5px;
  letter-spacing:.08em
}

.timeline-dot{
  width:11px;
  height:11px;
  border:2px solid var(--accent);
  border-radius:50%;
  background:var(--bg);
  margin-top:4px;
  z-index:1;
  box-shadow:0 0 16px rgba(120,230,208,.35)
}

.timeline-content{
  padding-left:15px
}

.role{
  font:600 10px "Space Grotesk";
  letter-spacing:.14em;
  color:var(--accent);
  margin-bottom:8px
}

.timeline-content h3{
  font:500 25px "Space Grotesk"
}

.timeline-content>p:not(.role){
  color:#778295;
  font-size:12px
}

.timeline-content ul{
  margin-top:18px;
  padding-left:18px;
  color:var(--muted);
  font-size:13px
}

.timeline-content li{
  margin-bottom:8px
}

/* =========================
   PUBLICATIONS
   ========================= */

.pub-list{
  border-top:1px solid var(--line)
}

.pub{
  display:grid;
  grid-template-columns:90px 1fr 40px;
  gap:30px;
  padding:30px 0;
  border-bottom:1px solid var(--line);
  align-items:start;
  transition:.25s
}

.pub:hover{
  padding-left:12px;
  background:rgba(255,255,255,.015)
}

.pub-year{
  font:600 13px "Space Grotesk";
  color:var(--accent)
}

.pub-type{
  font:600 9px "Space Grotesk";
  letter-spacing:.15em;
  color:#6e798b
}

.pub h3{
  font:500 22px/1.25 "Space Grotesk";
  margin:7px 0
}

.pub p{
  color:var(--muted);
  font-size:13px
}

.arrow{
  font-size:20px;
  color:var(--accent)
}

.pub-doi{
  display:inline-flex;
  align-items:center;
  margin-top:14px;
  font-size:.78rem;
  font-weight:600;
  letter-spacing:.02em;
  color:var(--accent);
  text-decoration:none;
  transition:opacity .25s ease,transform .25s ease
}

.pub-doi:hover{
  opacity:.75;
  transform:translateX(3px)
}


/* =========================
   PROJECTS
   ========================= */

.projects{
  background:#090d15
}

/*
   Two equal research cards.
   Previously the first card used:
   .project-large { grid-row: span 2; }

   That made the first project much taller.
   Both projects now occupy exactly one grid cell.
*/

.project-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:15px;
  align-items:stretch
}

.project{
  border:1px solid var(--line);
  border-radius:24px;
  overflow:hidden;
  background:#0d131d;
  transition:.35s;

  /* Makes both cards equal in height */
  min-height:560px;

  display:flex;
  flex-direction:column
}

.project:hover{
  transform:translateY(-6px);
  border-color:rgba(120,230,208,.3)
}

/*
   Keep the class in HTML for compatibility,
   but do NOT allow it to span multiple rows.
*/
.project-large{
  grid-row:auto
}

/*
   Same visual height for both projects.
*/
.project-visual{
  height:330px;
  flex:0 0 330px;
  position:relative;
  overflow:hidden;
  background:#0a1019
}

/*
   Override the old large-project height.
   Both cards now use the same 330px visual area.
*/
.project-large .project-visual{
  height:330px;
  flex:0 0 330px
}

.project-body{
  padding:25px;
  flex:1;
  display:flex;
  flex-direction:column;
  align-items:flex-start
}

.project-body>span{
  font:600 9px "Space Grotesk";
  color:var(--accent);
  letter-spacing:.15em
}

.project-body h3{
  font:500 25px "Space Grotesk";
  margin:8px 0
}

.project-body p{
  font-size:13px;
  color:var(--muted);
  margin-bottom:18px
}

.project-body a{
  font-size:12px;
  color:#dce2eb;
  margin-top:auto
}

/* Eye-gaze project */

.gaze-visual{
  display:grid;
  place-items:center;
  background:
    radial-gradient(
      circle at 50% 45%,
      rgba(120,230,208,.12),
      transparent 40%
    ),
    #0a1019
}

.eye-shape{
  width:220px;
  height:115px;
  border:2px solid rgba(120,230,208,.65);
  border-radius:100% 0 100% 0;
  transform:rotate(45deg);
  position:relative;
  box-shadow:0 0 60px rgba(120,230,208,.08)
}

.eye-shape i{
  position:absolute;
  width:55px;
  height:55px;
  border-radius:50%;
  background:
    radial-gradient(
      circle,
      #fff 0 5%,
      var(--accent) 6% 15%,
      #0b111a 16%
    );
  left:82px;
  top:28px
}

.floating-label{
  position:absolute;
  border:1px solid var(--line);
  background:rgba(8,11,18,.7);
  padding:7px 10px;
  border-radius:9px;
  font:600 8px "Space Grotesk";
  letter-spacing:.12em
}

.l1{
  top:22%;
  left:13%
}

.l2{
  bottom:20%;
  right:12%
}

/* Droplet project visual */

.pipeline-visual,
.model-visual{
  display:grid;
  place-items:center;
  background:linear-gradient(145deg,#0d1420,#090c13)
}

.pipe{
  height:1px;
  width:150px;
  background:linear-gradient(
    90deg,
    transparent,
    var(--accent),
    transparent
  );
  position:absolute
}

.p1{
  transform:translateY(-45px) rotate(18deg)
}

.p2{
  transform:translateY(0) rotate(-18deg)
}

.p3{
  transform:translateY(45px) rotate(18deg)
}

.model-box{
  width:100px;
  height:120px;
  border:1px solid rgba(140,167,255,.5);
  display:grid;
  place-items:center;
  text-align:center;
  color:#b8c6ff;
  font:600 13px/1.5 "Space Grotesk";
  box-shadow:0 0 50px rgba(140,167,255,.08)
}


/* =========================
   EDUCATION
   ========================= */

.edu-grid{
  display:grid;
  grid-template-columns:.75fr 1.25fr;
  gap:120px
}

.edu-list article{
  padding:0 0 25px;
  margin-bottom:25px;
  border-bottom:1px solid var(--line)
}

.edu-list article:last-child{
  margin-bottom:0
}

.edu-list span{
  font:600 10px "Space Grotesk";
  color:var(--accent)
}

.edu-list h3{
  font:500 21px "Space Grotesk";
  margin:5px 0
}

.edu-list p{
  font-size:12px;
  color:var(--muted)
}

.skills{
  padding-top:20px
}

.skill-cloud{
  display:flex;
  flex-wrap:wrap;
  gap:10px
}

.skill-cloud span{
  padding:12px 17px;
  border:1px solid var(--line);
  border-radius:99px;
  font:500 12px "Space Grotesk";
  color:#c5ccd7;
  background:rgba(255,255,255,.018);
  transition:.25s
}

.skill-cloud span:hover{
  border-color:var(--accent);
  color:var(--accent);
  transform:translateY(-3px)
}


/* =========================
   CONTACT
   ========================= */

.contact{
  padding:150px 0;
  background:
    radial-gradient(
      circle at 50% 0%,
      rgba(120,230,208,.11),
      transparent 38%
    ),
    #0a0f17;
  border-top:1px solid var(--line)
}

.contact-inner{
  text-align:center
}

.contact h2{
  font:500 clamp(45px,7vw,86px)/.98 "Space Grotesk";
  letter-spacing:-.05em
}

.contact h2 span{
  color:var(--accent)
}

.contact-inner>p:not(.eyebrow){
  max-width:600px;
  margin:28px auto;
  color:var(--muted);
  font-size:15px
}

.contact-email{
  display:inline-flex;
  align-items:center;
  gap:15px;
  font:500 clamp(20px,3vw,30px) "Space Grotesk";
  border-bottom:1px solid rgba(120,230,208,.35);
  padding-bottom:5px
}

.contact-email span{
  color:var(--accent);
  font-size:18px
}

.socials{
  display:flex;
  justify-content:center;
  gap:30px;
  margin-top:40px;
  color:#8994a5;
  font-size:12px
}

.socials a:hover{
  color:#fff
}


/* =========================
   FOOTER
   ========================= */

.footer{
  border-top:1px solid var(--line);
  padding:22px 0;
  color:#677285;
  font-size:10px
}

.footer .container{
  display:flex;
  justify-content:space-between;
  gap:20px
}

.footer a{
  color:#9ca6b5
}


/* =========================
   REVEAL ANIMATIONS
   ========================= */

.reveal{
  opacity:0;
  transform:translateY(25px);
  transition:
    opacity .8s ease,
    transform .8s ease
}

.reveal.visible{
  opacity:1;
  transform:none
}

.delay-1{
  transition-delay:.12s
}

.delay-2{
  transition-delay:.22s
}


/* =========================
   KEYFRAMES
   ========================= */

@keyframes float{
  50%{
    transform:translateY(-25px) scale(1.05)
  }
}

@keyframes scan{
  0%,100%{
    top:12%;
    opacity:0
  }

  15%{
    opacity:1
  }

  85%{
    opacity:1
  }

  50%{
    top:88%
  }
}

@keyframes spin{
  to{
    transform:rotate(360deg)
  }
}

@keyframes blink{
  50%{
    opacity:.35;
    transform:scale(.7)
  }
}

@keyframes marquee{
  to{
    transform:translateX(-50%)
  }
}


/* =========================
   TABLET
   ========================= */

@media(max-width:900px){

  .hero-grid,
  .two-col,
  .edu-grid{
    grid-template-columns:1fr;
    gap:60px
  }

  .hero{
    padding-top:125px
  }

  .hero-visual{
    height:450px
  }

  .research-grid{
    grid-template-columns:1fr 1fr
  }

  /*
     Projects become one column on tablet/mobile.
     Each card keeps a consistent visual height.
  */
  .project-grid{
    grid-template-columns:1fr
  }

  .project-large{
    grid-row:auto
  }

  .project{
    min-height:560px
  }

  .project-visual,
  .project-large .project-visual{
    height:330px;
    flex-basis:330px
  }

  .section-heading{
    align-items:start;
    flex-direction:column
  }

  .timeline:before{
    left:7px
  }

  .timeline-item{
    grid-template-columns:1fr;
    gap:8px;
    padding-left:30px
  }

  .timeline-date{
    text-align:left
  }

  .timeline-dot{
    position:absolute;
    left:2px
  }

  .timeline-content{
    padding-left:0
  }

  .nav-links{
    position:absolute;
    top:78px;
    left:15px;
    right:15px;
    display:none;
    flex-direction:column;
    align-items:stretch;
    padding:20px;
    background:rgba(12,17,26,.97);
    border:1px solid var(--line);
    border-radius:18px
  }

  .nav-links.open{
    display:flex
  }

  .nav-toggle{
    display:flex;
    flex-direction:column;
    gap:5px
  }

  .nav-toggle span{
    width:25px;
    height:1px;
    background:#fff
  }

  .facts{
    grid-template-columns:1fr
  }

  .pub{
    grid-template-columns:60px 1fr
  }

  .pub .arrow{
    display:none
  }
}


/* =========================
   MOBILE
   ========================= */

@media(max-width:560px){

  .container{
    width:min(calc(100% - 30px),var(--max))
  }

  .section{
    padding:90px 0
  }

  .hero h1{
    font-size:48px
  }

  .hero-lead{
    font-size:16px
  }

  .hero-meta{
    gap:20px;
    flex-wrap:wrap
  }

  .hero-visual{
    height:390px
  }

  .research-grid{
    grid-template-columns:1fr
  }

  .research-card{
    min-height:320px
  }

  .pub{
    grid-template-columns:1fr;
    gap:10px
  }

  /*
     Smaller project visuals on phones.
  */
  .project{
    min-height:auto
  }

  .project-visual,
  .project-large .project-visual{
    height:300px;
    flex-basis:300px
  }

  .project-body{
    padding:22px
  }

  .project-body h3{
    font-size:23px
  }

  .footer .container{
    flex-direction:column
  }

  .socials{
    gap:15px;
    flex-wrap:wrap
  }
}