:root{
  --bg:#081a2a;
  --bg2:#0c2133;
  --bg3:#10283c;
  --panel:#0e2639;
  --panel2:#122f45;
  --panel3:#17384f;
  --line:#25475c;
  --line2:#35617a;
  --text:#f5f8fb;
  --muted:#aebdca;
  --dim:#748898;
  --teal:#13dcc5;
  --cyan:#22bff4;
  --blue:#4da9ff;
  --green:#70d548;
  --gold:#f2b741;
  --danger:#ff796c;
  --display:"Space Grotesk",Inter,system-ui,sans-serif;
  --body:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Consolas,monospace;
  --max:1320px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  min-height:100vh;color:var(--text);font-family:var(--body);line-height:1.6;
  background:
    radial-gradient(circle at 78% 11%,rgba(34,191,244,.10),transparent 26%),
    radial-gradient(circle at 15% 70%,rgba(19,220,197,.06),transparent 24%),
    linear-gradient(180deg,var(--bg) 0%,#091d2e 46%,var(--bg2) 100%);
  -webkit-font-smoothing:antialiased;
}
a{text-decoration:none;color:inherit}
img{display:block;max-width:100%}
button,input,textarea{font:inherit}
button{cursor:pointer}
::selection{background:rgba(19,220,197,.25)}
.container{width:min(var(--max),calc(100% - 48px));margin-inline:auto}
.bg-grid{
  position:fixed;inset:0;pointer-events:none;z-index:-2;opacity:.24;
  background-image:linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);
  background-size:68px 68px;
  mask-image:radial-gradient(ellipse 82% 62% at 58% 8%,black 30%,transparent 82%);
}

/* Header */
.site-header{
  position:sticky;top:0;z-index:100;background:rgba(8,26,42,.90);backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(255,255,255,.065);
}
.nav{height:82px;display:grid;grid-template-columns:290px 1fr 190px;align-items:center;gap:22px}
.logo-img{height:58px;width:auto;max-width:280px;object-fit:contain}
.nav-links{display:flex;align-items:center;justify-content:center;gap:29px;color:var(--muted);font-size:14px}
.nav-links a{position:relative;padding:29px 0 27px;white-space:nowrap;transition:.2s}
.nav-links a:hover,.nav-links a.active{color:var(--text)}
.nav-links a:after{content:"";position:absolute;height:2px;left:0;right:100%;bottom:20px;background:var(--teal);transition:.2s}
.nav-links a:hover:after,.nav-links a.active:after{right:0}
.nav-actions{display:flex;justify-content:flex-end;align-items:center;gap:12px}
.header-cta{
  min-width:145px;display:inline-flex;justify-content:center;align-items:center;gap:9px;
  border:1px solid rgba(19,220,197,.55);border-radius:999px;padding:11px 18px;color:var(--teal);
  background:linear-gradient(135deg,rgba(19,220,197,.07),rgba(34,191,244,.05));font-weight:700;font-size:13px
}
.header-cta:hover{background:rgba(19,220,197,.12)}
.menu-btn{display:none;border:1px solid var(--line);background:var(--panel);color:var(--text);border-radius:10px;padding:9px 12px}

/* Typography */
.kicker{display:flex;align-items:center;gap:10px;color:var(--teal);font:600 11px var(--mono);letter-spacing:.14em;text-transform:uppercase}
.kicker:before{content:"◆";font-size:9px}
h1,h2,h3,h4{font-family:var(--display)}
.gradient-text{background:linear-gradient(135deg,var(--teal),var(--cyan) 52%,var(--blue));-webkit-background-clip:text;background-clip:text;color:transparent}
.section-title{font-size:clamp(30px,3.6vw,48px);letter-spacing:-.035em;line-height:1.08}
.section-copy{max-width:650px;color:var(--muted);font-size:14.5px}
.accent-line{height:3px;width:56px;background:linear-gradient(90deg,var(--gold),transparent);margin:18px 0 24px}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border-radius:10px;padding:13px 19px;font-weight:700;font-size:13px;transition:.2s}
.btn-primary{background:linear-gradient(135deg,#119f8e,var(--teal));color:#061c23;border:1px solid var(--teal)}
.btn-outline{border:1px solid var(--line2);color:var(--text);background:rgba(255,255,255,.018)}
.btn:hover{transform:translateY(-2px)}

/* Hero scene */
.home-hero{padding:48px 0 26px;min-height:610px;display:grid;grid-template-columns:.92fr 1.08fr;gap:28px;align-items:center}
.hero-copy h1{font-size:clamp(44px,5.3vw,72px);line-height:1.04;letter-spacing:-.045em;margin-top:18px}
.hero-copy p{font-size:17px;color:var(--muted);max-width:640px;margin-top:22px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.geo-stage{position:relative;height:500px;min-width:0}
.geo-stage svg{position:absolute;inset:0;width:100%;height:100%}
.globe-glow{filter:drop-shadow(0 0 30px rgba(34,191,244,.18))}
.scene-label{
  position:absolute;right:24px;bottom:28px;padding:12px 14px;border-radius:12px;border:1px solid rgba(255,255,255,.08);
  background:rgba(8,27,43,.72);backdrop-filter:blur(8px);font:500 10px var(--mono);color:var(--muted);letter-spacing:.04em
}

/* Metric bar */
.metric-bar{display:grid;grid-template-columns:repeat(5,1fr);border:1px solid var(--line);border-radius:16px;background:linear-gradient(180deg,rgba(18,47,69,.9),rgba(11,33,51,.85));overflow:hidden;margin:16px auto 42px}
.metric-item{min-height:106px;display:grid;grid-template-columns:48px 1fr;gap:13px;align-items:center;padding:20px;border-right:1px solid var(--line)}
.metric-item:last-child{border-right:none}
.metric-icon{width:42px;height:42px;border:1px solid rgba(19,220,197,.35);border-radius:11px;display:grid;place-items:center;color:var(--teal);font-size:22px;background:rgba(19,220,197,.05)}
.metric-item strong{font:700 29px var(--display);color:var(--cyan);display:block;line-height:1}
.metric-item span{color:var(--muted);font-size:11px}

/* Section shared */
.section{padding:66px 0}
.section-border{border-top:1px solid rgba(255,255,255,.055)}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:28px}
.section-head .left{display:grid;gap:9px}

/* Visual project cards */
.project-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.project-card{border:1px solid var(--line);background:linear-gradient(180deg,var(--panel),rgba(10,31,48,.96));border-radius:14px;overflow:hidden;transition:.22s;min-width:0}
.project-card:hover{transform:translateY(-4px);border-color:var(--line2);box-shadow:0 18px 45px rgba(0,0,0,.16)}
.project-art{height:150px;position:relative;overflow:hidden;background:#12324a}
.project-art svg{width:100%;height:100%}
.project-body{padding:16px}
.project-card h3{font-size:17px;margin:0 0 8px}
.project-card p{font-size:12.7px;color:var(--muted);min-height:60px}
.pills{display:flex;gap:7px;flex-wrap:wrap;margin-top:12px}
.pill{font:500 9.5px var(--mono);border:1px solid rgba(19,220,197,.38);border-radius:999px;padding:4px 8px;color:var(--teal)}
.pill.green{border-color:rgba(112,213,72,.38);color:var(--green)}
.pill.blue{border-color:rgba(77,169,255,.4);color:var(--blue)}
.card-arrow{width:28px;height:28px;border:1px solid rgba(19,220,197,.4);border-radius:50%;display:grid;place-items:center;color:var(--teal);margin-left:auto;margin-top:-29px}

/* Page hero */
.page-hero{padding:54px 0 36px;display:grid;grid-template-columns:.88fr 1.12fr;gap:32px;align-items:center}
.page-hero h1{font-size:clamp(42px,5vw,64px);line-height:1.04;letter-spacing:-.045em;margin-top:13px}
.page-hero p{color:var(--muted);font-size:15px;margin-top:15px;max-width:620px}
.page-scene{height:260px;position:relative}
.page-scene svg{width:100%;height:100%}

/* Filters */
.filters{display:flex;gap:10px;flex-wrap:wrap;margin:6px 0 24px}
.filter-btn{border:1px solid var(--line);background:rgba(255,255,255,.018);color:var(--muted);padding:9px 14px;border-radius:8px;font-size:11px;transition:.2s}
.filter-btn:hover{border-color:var(--line2);color:var(--text)}
.filter-btn.active{background:linear-gradient(135deg,#118f82,#13bda9);border-color:var(--teal);color:#061c23;font-weight:700}
.project-card.hidden{display:none}

/* Experience dashboard */
.career-wrap{border:1px solid var(--line);border-radius:16px;padding:18px 20px;background:rgba(13,38,57,.88)}
.career-track{display:grid;grid-template-columns:repeat(5,1fr);gap:0;position:relative;padding-bottom:30px}
.career-track:after{content:"";position:absolute;left:20px;right:20px;bottom:9px;height:2px;background:linear-gradient(90deg,var(--teal),var(--cyan),var(--blue),var(--gold))}
.career-step{padding:8px 20px;border-right:1px solid var(--line);position:relative;min-height:138px}
.career-step:last-child{border-right:none}
.career-step:after{content:"";position:absolute;width:13px;height:13px;border-radius:50%;background:var(--bg);border:3px solid var(--cyan);bottom:-27px;left:50%;transform:translateX(-50%);box-shadow:0 0 0 4px rgba(34,191,244,.08)}
.career-year{font:500 10px var(--mono);color:var(--cyan);margin-bottom:6px}
.career-step h3{font-size:15px;margin-bottom:6px}
.career-step p{font-size:11.3px;color:var(--muted)}
.dashboard-grid{display:grid;grid-template-columns:1fr 1.05fr 1.05fr .78fr;gap:14px;margin-top:14px}
.dash-card{border:1px solid var(--line);border-radius:14px;background:var(--panel);padding:18px;min-width:0}
.dash-title{font:600 11px var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--teal);margin-bottom:14px}
.dash-list{display:grid;gap:12px}
.dash-row{display:grid;grid-template-columns:34px 1fr;gap:10px;align-items:start}
.dash-icon{width:32px;height:32px;border:1px solid rgba(19,220,197,.3);border-radius:8px;display:grid;place-items:center;color:var(--teal)}
.dash-row b{font-size:12.5px;display:block}
.dash-row span{font-size:11px;color:var(--muted)}
.skill-mini{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.skill-mini div{padding:10px;border:1px solid var(--line);border-radius:9px;color:var(--muted);font-size:11px;background:rgba(255,255,255,.015)}
.education-item{display:grid;grid-template-columns:36px 1fr;gap:10px;margin-bottom:14px}
.education-item b{font-size:12px}
.education-item span{display:block;color:var(--muted);font-size:10.5px}
.glance{display:grid;gap:13px}
.glance-item{display:grid;grid-template-columns:34px 1fr;gap:10px;align-items:center}
.glance-item strong{display:block;color:var(--cyan);font:700 23px var(--display);line-height:1}
.glance-item span{font-size:10.5px;color:var(--muted)}
.bottom-dashboard{display:grid;grid-template-columns:1fr 1fr 1.2fr;gap:14px;margin-top:14px}
.bullet-list{padding-left:16px;color:var(--muted);font-size:11.5px}
.bullet-list li{margin-bottom:7px}

/* About / skills */
.about-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:18px}
.story-card,.focus-card{border:1px solid var(--line);border-radius:14px;background:var(--panel);padding:22px}
.story-card p,.focus-card p{color:var(--muted);font-size:13px}
.focus-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:15px}
.focus-item{padding:13px;border:1px solid var(--line);border-radius:10px;background:rgba(255,255,255,.015)}
.focus-item b{display:block;font-size:12px;margin-bottom:4px}
.focus-item span{font-size:10.5px;color:var(--muted)}
.skills-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.skill-card{border:1px solid var(--line);border-radius:14px;background:var(--panel);padding:19px}
.skill-card h3{font-size:16px;margin-bottom:12px}
.skill-tags{display:flex;flex-wrap:wrap;gap:7px}
.skill-tag{font-size:10.5px;color:var(--muted);border:1px solid var(--line);border-radius:999px;padding:6px 9px;background:rgba(255,255,255,.015)}

/* Publications */
.pub-layout{display:grid;grid-template-columns:1.2fr .8fr;gap:16px}
.pub-card{border:1px solid var(--line);background:var(--panel);border-radius:14px;padding:20px}
.pub-item{padding:16px 0;border-bottom:1px solid var(--line)}
.pub-item:last-child{border-bottom:none}
.pub-item small{color:var(--teal);font:500 10px var(--mono)}
.pub-item h3{font-size:16px;margin:6px 0}
.pub-item p{font-size:11.5px;color:var(--muted)}
.award-grid{display:grid;gap:10px}
.award{display:grid;grid-template-columns:40px 1fr;gap:11px;padding:13px;border:1px solid var(--line);border-radius:10px;background:rgba(255,255,255,.015)}
.award .icon{width:38px;height:38px;border-radius:10px;border:1px solid rgba(242,183,65,.36);display:grid;place-items:center;color:var(--gold)}
.award b{font-size:12px;display:block}
.award span{font-size:10.5px;color:var(--muted)}

/* Contact */
.contact-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:34px}
.contact-side{display:grid;gap:14px}
.contact-cards{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.contact-card{border:1px solid var(--line);border-radius:14px;background:var(--panel);padding:18px}
.contact-card .big-icon{width:46px;height:46px;border-radius:50%;border:1px solid rgba(19,220,197,.4);display:grid;place-items:center;color:var(--teal);font-size:20px;margin-bottom:12px}
.contact-card h3{font-size:15px}.contact-card p{font-size:11.5px;color:var(--muted);margin:5px 0 12px}
.contact-card a{font:500 10.5px var(--mono);color:var(--teal)}
.project-inquiry{display:flex;justify-content:space-between;gap:15px;align-items:center;border:1px solid var(--line);border-radius:14px;background:var(--panel);padding:18px}
.project-inquiry p{font-size:11.5px;color:var(--muted)}
.form-card{border-left:1px solid var(--line);padding-left:34px}
.form-card h2{color:var(--cyan);font-size:20px;margin-bottom:10px}
.contact-form{display:grid;grid-template-columns:1fr 1fr;gap:10px;background:var(--panel);border:1px solid var(--line);padding:16px;border-radius:14px}
.contact-form input,.contact-form textarea{
  border:1px solid var(--line);border-radius:7px;background:#0b2335;color:var(--text);padding:12px;outline:none;font-size:11px
}
.contact-form input:focus,.contact-form textarea:focus{border-color:var(--teal)}
.contact-form textarea{grid-column:1/-1;min-height:112px;resize:vertical}
.contact-form button{grid-column:1/-1}
.services{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:18px}
.service-card{border:1px solid var(--line);border-radius:12px;background:var(--panel);padding:16px}
.service-card b{display:block;font-size:12.5px;margin:8px 0 5px}
.service-card p{font-size:10.5px;color:var(--muted)}

/* Footer */
.footer{margin-top:50px;border-top:1px solid rgba(255,255,255,.06);background:rgba(6,22,35,.55);padding:30px 0 22px}
.footer-grid{display:grid;grid-template-columns:1.35fr .75fr .75fr 1fr;gap:28px}
.footer-logo{height:64px;width:auto;max-width:290px;object-fit:contain}
.footer p,.footer a{font-size:11px;color:var(--muted)}
.footer h4{font-size:13px;margin-bottom:10px}
.footer-col{display:grid;gap:7px}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;color:var(--dim);font-size:10px;border-top:1px solid rgba(255,255,255,.05);padding-top:16px;margin-top:22px}

/* Animation */
.reveal{opacity:0;transform:translateY(10px);transition:.45s ease}
.reveal.in{opacity:1;transform:none}

/* Responsive */
@media(max-width:1180px){
  .nav{grid-template-columns:240px 1fr 160px}.logo-img{height:50px}.nav-links{gap:18px;font-size:13px}
  .project-grid{grid-template-columns:repeat(3,1fr)}
  .dashboard-grid{grid-template-columns:1fr 1fr}.bottom-dashboard{grid-template-columns:1fr 1fr}
}
@media(max-width:920px){
  .nav{grid-template-columns:1fr auto}.menu-btn{display:block}.nav-actions{display:none}
  .nav-links{display:none;position:absolute;left:24px;right:24px;top:76px;flex-direction:column;align-items:stretch;padding:14px;border:1px solid var(--line);border-radius:12px;background:var(--panel);box-shadow:0 18px 40px rgba(0,0,0,.28)}
  .nav-links.open{display:flex}.nav-links a{padding:9px 11px}.nav-links a:after{display:none}
  .home-hero,.page-hero,.about-grid,.contact-grid,.pub-layout{grid-template-columns:1fr}
  .geo-stage{height:400px}.page-scene{height:220px}
  .metric-bar{grid-template-columns:repeat(3,1fr)}.metric-item:nth-child(3){border-right:none}
  .project-grid{grid-template-columns:repeat(2,1fr)}
  .career-track{grid-template-columns:1fr}.career-track:after{display:none}.career-step{border-right:none;border-bottom:1px solid var(--line);min-height:auto}.career-step:after{display:none}
  .form-card{border-left:none;padding-left:0}.services{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
  .container{width:calc(100% - 26px)}
  .home-hero{padding-top:34px}.hero-copy h1{font-size:44px}.geo-stage{height:340px}
  .metric-bar,.project-grid,.dashboard-grid,.bottom-dashboard,.skills-grid,.contact-cards,.services,.footer-grid{grid-template-columns:1fr}
  .metric-item{border-right:none;border-bottom:1px solid var(--line)}
  .section-head{align-items:flex-start;flex-direction:column}
  .focus-grid{grid-template-columns:1fr}
  .contact-form{grid-template-columns:1fr}.contact-form textarea,.contact-form button{grid-column:1}
  .footer-bottom{flex-direction:column}
}


/* ===== V6 synthetic geospatial imagery ===== */
.project-art img{
  width:100%;
  height:100%;
  display:block;
  object-fit:cover;
  object-position:center;
  transition:transform .35s ease, filter .35s ease;
}
.project-card:hover .project-art img{
  transform:scale(1.035);
  filter:saturate(1.06) contrast(1.03);
}
.hero-image{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  object-position:center;
  border-radius:22px;
  border:1px solid rgba(34,191,244,.18);
  box-shadow:0 22px 65px rgba(0,0,0,.18);
}
.geo-stage:after{
  content:"";
  position:absolute;
  inset:0;
  border-radius:22px;
  background:linear-gradient(90deg,rgba(8,26,42,.18),transparent 38%,rgba(8,26,42,.06));
  pointer-events:none;
}
.page-hero-image{
  width:100%;
  height:100%;
  object-fit:cover;
  object-position:center;
  border-radius:20px;
  border:1px solid rgba(34,191,244,.16);
  box-shadow:0 18px 50px rgba(0,0,0,.16);
}
.page-scene{overflow:hidden;border-radius:20px}