:root{
  --bg:#06100d;
  --bg-soft:#091713;
  --panel:#0d1d18;
  --panel-2:#10241e;
  --text:#f4f8f6;
  --muted:#9fb2aa;
  --mint:#78efbc;
  --mint-dark:#082019;
  --blue:#6ba9ff;
  --line:rgba(255,255,255,.105);
  --max:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:
    radial-gradient(circle at 82% 3%,rgba(107,169,255,.14),transparent 29%),
    radial-gradient(circle at 14% 0%,rgba(120,239,188,.08),transparent 24%),
    var(--bg);
  color:var(--text);
  font:16px/1.62 Inter,Segoe UI,Arial,sans-serif;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input,select,textarea{font:inherit}
.wrap{width:min(var(--max),calc(100% - 40px));margin:auto}
.nav{
  position:sticky;top:0;z-index:50;
  background:rgba(6,16,13,.88);
  backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
}
.navin{height:74px;display:flex;align-items:center;justify-content:space-between;gap:22px}
.brand{display:flex;align-items:center;gap:12px;white-space:nowrap}
.brand strong{font-size:1rem;letter-spacing:.01em}
.brand em{font-style:normal;color:var(--muted);font-size:.88rem}
.links{display:flex;gap:23px;color:#d0dbd7;font-size:.91rem}
.links a:hover{color:var(--mint)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 17px;border:1px solid var(--line);border-radius:12px;
  background:rgba(255,255,255,.035);font-weight:700;cursor:pointer;
  transition:transform .22s,border-color .22s,background .22s;
}
.btn:hover{transform:translateY(-2px);border-color:rgba(120,239,188,.45)}
.btn.primary{background:var(--mint);color:var(--mint-dark);border-color:transparent}
.hero{padding:76px 0 58px}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:55px;align-items:center}
.eyebrow,.label{color:var(--mint);font-size:.78rem;text-transform:uppercase;letter-spacing:.15em;font-weight:850}
h1{font-size:clamp(3.2rem,6.4vw,6.3rem);line-height:.97;margin:16px 0 24px;letter-spacing:-.058em}
h1 span{color:var(--mint)}
.lead{font-size:1.16rem;color:#c2d0cb;max-width:720px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:29px}
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:44px}
.metric{padding:18px;border-top:1px solid var(--line)}
.metric b{display:block;font-size:1.85rem;color:var(--mint)}
.metric span{color:var(--muted);font-size:.87rem}
.section{padding:88px 0;border-top:1px solid var(--line)}
.section-head{display:grid;grid-template-columns:175px 1fr;gap:27px;margin-bottom:42px}
.section h2{font-size:clamp(2.1rem,4vw,3.8rem);line-height:1.08;margin:0;letter-spacing:-.038em}
.muted{color:var(--muted)}
/* Flip portrait */
.portrait-shell{perspective:1400px}
.portrait-card{
  position:relative;height:515px;transform-style:preserve-3d;
  transition:transform .75s cubic-bezier(.2,.7,.2,1);
  cursor:pointer;
}
.portrait-card.flipped{transform:rotateY(180deg)}
.portrait-face{
  position:absolute;inset:0;backface-visibility:hidden;
  border:1px solid var(--line);border-radius:28px;overflow:hidden;
  background:linear-gradient(145deg,#11241f,#08110f);
}
.portrait-front img{
  height:100%;width:100%;object-fit:cover;object-position:center 20%;
  filter:saturate(.92);
}
.portrait-hover{
  position:absolute;left:20px;right:20px;bottom:20px;
  padding:14px 16px;border:1px solid var(--line);border-radius:14px;
  background:rgba(5,14,12,.85);backdrop-filter:blur(12px);
  opacity:0;transform:translateY(8px);transition:.25s;
}
.portrait-card:hover .portrait-hover{opacity:1;transform:none}
.portrait-back{
  transform:rotateY(180deg);padding:38px;
  display:flex;flex-direction:column;justify-content:center;
}
.portrait-back h3{font-size:2rem;line-height:1.15;margin:0 0 17px}
.portrait-back p{color:#c7d4cf}
/* About */
.about-grid{display:grid;grid-template-columns:1fr 1.14fr;gap:38px}
.bio-card,.map-card,.contact-card,.timeline,.project-card,.pub,.conference,.request-card{
  background:linear-gradient(145deg,rgba(255,255,255,.055),rgba(255,255,255,.017));
  border:1px solid var(--line);border-radius:24px;
}
.bio-card{padding:31px}
.map-card{padding:22px;overflow:hidden}
.worldmap{width:100%;height:auto}
.worldmap .continent{fill:rgba(255,255,255,.07);stroke:rgba(255,255,255,.18);stroke-width:2}
.worldmap text{font-family:Inter,Segoe UI,Arial,sans-serif}
.route{stroke-dasharray:8 8;animation:dash 15s linear infinite}
@keyframes dash{to{stroke-dashoffset:-180}}
.map-dot{transform-origin:center;animation:pulse 2.1s infinite}
@keyframes pulse{50%{opacity:.35;transform:scale(1.35)}}
.edu-list{display:grid;gap:12px;margin-top:18px}
.edu{display:grid;grid-template-columns:82px 1fr;gap:12px;border-top:1px solid var(--line);padding-top:13px}
.edu b{color:var(--mint)}
/* Contact */
.contact-grid{display:grid;grid-template-columns:1fr .8fr;gap:24px}
.contact-card{padding:34px}
.contact-card h3{font-size:2rem;margin-top:0}
.contact-links{display:flex;gap:12px;flex-wrap:wrap}
/* Experience */
.timeline{padding:12px 28px}
.trow{display:grid;grid-template-columns:150px 1fr;gap:28px;padding:25px 0;border-bottom:1px solid var(--line)}
.trow:last-child{border:0}
.trow time{color:var(--mint);font-weight:800}
.trow h3{margin:0 0 6px}
/* Work */
.projects{display:grid;gap:27px}
.project-card{display:grid;grid-template-columns:.72fr 1.28fr;overflow:hidden}
.project-hero-image{min-height:360px;background:#09120f;position:relative;overflow:hidden}
.project-hero-image img{height:100%;width:100%;object-fit:cover}
.project-hero-image.contain img{object-fit:contain;padding:18px}
.project-hero-label{
  position:absolute;left:18px;bottom:16px;
  background:rgba(5,14,12,.83);border:1px solid var(--line);
  border-radius:999px;padding:7px 11px;color:#dce7e2;font-size:.74rem;
  backdrop-filter:blur(10px);
}
.project-copy{padding:40px}
.project-copy h3{font-size:2.25rem;margin:8px 0}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin:20px 0}
.chip{font-size:.75rem;padding:7px 10px;border-radius:999px;border:1px solid var(--line);color:#caddd6}
.real-media{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:20px}
.real-media img{
  height:175px;width:100%;object-fit:contain;padding:8px;
  border-radius:13px;border:1px solid var(--line);background:#fff;
}
.project-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}
/* Forms */
.request-card{padding:33px}
.request-card form{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.request-card .full{grid-column:1/-1}
input,select,textarea{
  width:100%;padding:13px 14px;border-radius:11px;border:1px solid var(--line);
  background:#08130f;color:var(--text);
}
select option{background:#08130f;color:#fff}
textarea{min-height:120px;resize:vertical}
.notice{font-size:.82rem;color:var(--muted)}
/* Publications and conferences */
.pub{display:grid;grid-template-columns:110px 1fr auto;gap:20px;align-items:center;padding:24px;margin-bottom:14px}
.pub>span,.conference-date{color:var(--mint);font-weight:800}
.conference{padding:25px;margin-bottom:15px}
.conference h3{margin:0 0 8px;font-size:1.18rem}
.conference-meta{display:grid;grid-template-columns:130px 1fr;gap:18px;margin-top:14px;padding-top:14px;border-top:1px solid var(--line)}
footer{padding:35px 0 50px;color:var(--muted);border-top:1px solid var(--line)}
.lightbox{
  position:fixed;inset:0;background:rgba(0,0,0,.9);z-index:99;
  display:none;align-items:center;justify-content:center;padding:30px;
}
.lightbox.open{display:flex}
.lightbox img{max-height:90vh;max-width:94vw;border-radius:14px;background:white}
.gallery-img{cursor:zoom-in}
@media(max-width:960px){
  .links{display:none}
  .hero-grid,.about-grid,.contact-grid,.project-card{grid-template-columns:1fr}
  .portrait-card{height: 600px;}  
  .metrics{grid-template-columns:1fr 1fr}
  .section-head{grid-template-columns:1fr}
  .request-card form{grid-template-columns:1fr}
  .request-card .full{grid-column:auto}
}
@media(max-width:560px){
  .brand em{display:none}
  h1{font-size:3.2rem}
  .metrics{grid-template-columns:1fr 1fr}
  .real-media{grid-template-columns:1fr}
  .trow,.pub,.conference-meta{grid-template-columns:1fr}
  .wrap{width:min(var(--max),calc(100% - 24px))}
}

/* Ultimate refinements */
.map-pair{display:grid;grid-template-columns:.78fr 1.22fr;gap:14px}
.map-pair img{width:100%;height:350px;object-fit:contain;border-radius:17px;background:#08130f;border:1px solid var(--line)}
.map-route-copy{display:flex;align-items:center;justify-content:center;gap:12px;margin:16px 0 2px;color:var(--muted);font-size:.86rem}
.map-route-copy i{display:block;width:45px;height:1px;background:linear-gradient(90deg,var(--mint),var(--blue));position:relative}
.map-route-copy i:after{content:"";position:absolute;right:-1px;top:-3px;border-left:6px solid var(--blue);border-top:3px solid transparent;border-bottom:3px solid transparent}
.rating-card{margin-top:25px;padding:24px;border:1px solid var(--line);border-radius:18px;background:rgba(255,255,255,.025)}
.rating-card h3{margin:0 0 7px}
.stars{display:flex;gap:7px;margin:14px 0}
.star{font-size:2rem;line-height:1;color:#53675f;background:none;border:0;padding:2px;cursor:pointer;transition:.18s}
.star.active,.star:hover{color:#f2c94c;transform:scale(1.08)}
.rating-fields{display:grid;grid-template-columns:1fr 1fr;gap:11px}
.rating-fields .full{grid-column:1/-1}
.cover-image img{object-position:center}
.thesis-request{padding:26px;border:1px solid var(--line);border-radius:20px;background:rgba(255,255,255,.025);margin-top:24px}
.request-tabs{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.request-card h3{font-size:1.55rem;margin-top:0}
@media(max-width:900px){
 .map-pair,.request-tabs{grid-template-columns:1fr}
 .map-pair img{height:300px}
 .rating-fields{grid-template-columns:1fr}
 .rating-fields .full{grid-column:auto}
}

/* Final refinements */
.single-map img{
  width:100%;
  height:430px;
  object-fit:contain;
  border-radius:18px;
  background:#08130f;
  border:1px solid var(--line);
}
.portrait-hover{
  left:50%;
  right:auto;
  bottom:24px;
  width:max-content;
  min-width:180px;
  text-align:center;
  transform:translate(-50%,12px);
  padding:16px 22px;
  border-color:rgba(120,239,188,.4);
  box-shadow:0 12px 35px rgba(0,0,0,.35);
}
.portrait-card:hover .portrait-hover{
  opacity:1;
  transform:translate(-50%,0);
}
.portrait-hover strong{
  display:block;
  font-size:1.05rem;
  color:var(--mint);
  letter-spacing:.02em;
}
.portrait-hover span{
  display:block;
  margin-top:2px;
}
.ajp-machine{
  grid-column:1/-1;
}
.ajp-machine img{
  height:320px;
  object-fit:contain;
  background:white;
}
@media(max-width:900px){
  .single-map img{height:310px}
}

@media (max-width: 768px) {

  .portrait-back{
      padding: 24px;
      justify-content: flex-start;
  }

  .portrait-back h3{
      font-size: 1.55rem;
      line-height: 1.2;
      margin-bottom: 18px;
  }

  .portrait-back p{
      font-size: 0.98rem;
      line-height: 1.7;
      color:#c7d4cf;
  }

  .portrait-back .label{
      font-size:0.72rem;
      margin-bottom:10px;
  }

}

.form-status{display:none;grid-column:1/-1;padding:13px 15px;border-radius:11px;border:1px solid rgba(120,239,188,.35);background:rgba(120,239,188,.08);color:#dff9ee}
.form-status.show{display:block}.form-status.error{border-color:rgba(255,120,120,.4);background:rgba(255,120,120,.08);color:#ffdede}