:root{
  --bg:#09111f;
  --bg-alt:#0d1729;
  --card:#101c31;
  --card-soft:rgba(255,255,255,.04);
  --text:#edf3ff;
  --muted:#a8bad7;
  --line:rgba(255,255,255,.11);
  --accent:#56b6ff;
  --accent-2:#7ef0c4;
  --shadow:0 24px 60px rgba(0,0,0,.32);
  --radius:24px;
  --max:1160px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter,Segoe UI,Arial,sans-serif;
  background:
    radial-gradient(circle at top left, rgba(86,182,255,.14), transparent 28%),
    radial-gradient(circle at 85% 10%, rgba(126,240,196,.12), transparent 24%),
    linear-gradient(180deg, #08111e 0%, #0b1424 100%);
  color:var(--text);
  line-height:1.6;
}
a{color:inherit;text-decoration:none}
a:hover{opacity:.95}
img{max-width:100%;display:block}
.container{width:min(var(--max), calc(100% - 40px)); margin:0 auto}
.skip-link{position:absolute;left:-999px;top:-999px}
.skip-link:focus{left:16px;top:16px;background:#fff;color:#000;padding:10px 12px;border-radius:10px;z-index:1000}
.site-shell{padding:24px 0 28px;border-bottom:1px solid var(--line)}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:18px;padding-bottom:24px}
.brand{font-weight:800;letter-spacing:.02em}
.nav{display:flex;gap:18px;align-items:center}
.nav a{color:var(--muted);font-weight:650}
.nav-toggle{display:none;background:transparent;border:1px solid var(--line);color:var(--text);border-radius:12px;padding:10px 12px}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:center;padding:24px 0 18px}
.eyebrow,.section-kicker{margin:0 0 10px;color:var(--accent-2);font-size:.9rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase}
h1{margin:0;font-size:clamp(2.3rem,4vw,4.25rem);line-height:1.08;max-width:12ch}
.lede{font-size:1.1rem;color:var(--muted);max-width:62ch;margin:18px 0 0}
.hero-actions,.button-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.hero-links{display:flex;flex-wrap:wrap;gap:12px;list-style:none;padding:0;margin:18px 0 0}
.hero-links a{display:inline-flex;padding:9px 12px;border:1px solid var(--line);border-radius:999px;color:var(--muted);font-weight:650}
.card{background:linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.025));border:1px solid var(--line);box-shadow:var(--shadow);border-radius:var(--radius);padding:24px}
.hero-panel{padding:20px}
.headshot{border-radius:22px;aspect-ratio:4/4.3;object-fit:cover;border:1px solid var(--line);background:#06101f}
.headshot-controls{display:flex;justify-content:center;gap:10px;margin:14px 0 0}
.icon-btn{background:transparent;border:1px solid var(--line);color:var(--text);width:40px;height:40px;border-radius:999px;font-size:1rem;cursor:pointer}
.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:18px}
.stat-grid div{padding:14px;border-radius:18px;background:var(--card-soft);border:1px solid var(--line)}
.stat-value{display:block;font-size:1.2rem;font-weight:800}
.stat-label{display:block;color:var(--muted);font-size:.92rem}
.section{padding:34px 0}
.section-dark{background:rgba(2,8,18,.33);border-top:1px solid rgba(255,255,255,.04);border-bottom:1px solid rgba(255,255,255,.04)}
.spotlight-grid,.two-col,.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.accent-card{background:linear-gradient(180deg, rgba(86,182,255,.11), rgba(86,182,255,.04));}
h2{margin:0 0 8px;font-size:clamp(1.6rem,2.8vw,2.5rem);line-height:1.15}
.subtitle-line{color:var(--muted);font-weight:650}
.tag-row,.meta-row,.course-grid{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.tag-row span,.meta-row span,.course-grid span{padding:8px 12px;border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.04);color:var(--muted);font-weight:650}
.section-heading{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:18px}
.text-link{color:var(--accent);font-weight:700}
.project-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.project-card{display:flex;flex-direction:column}
.project-image{border-radius:18px;border:1px solid var(--line);margin-bottom:16px;background:#09111f}
.project-card h3{margin:0 0 8px;font-size:1.25rem}
.project-card p{margin:0;color:var(--muted)}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 16px;border-radius:14px;font-weight:800;border:1px solid var(--line)}
.btn-primary{background:linear-gradient(135deg, var(--accent), #387dff);color:#06111f;border:none}
.btn-secondary{background:rgba(255,255,255,.06)}
.btn-ghost{background:transparent;color:var(--muted)}
.check-list,.download-list,.skill-card ul{margin:16px 0 0;padding-left:18px}
.check-list li,.download-list li,.skill-card li{margin:8px 0}
.skill-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.timeline{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.timeline-meta{margin:0 0 10px;color:var(--muted);font-weight:650}
.top-gap{margin-top:16px}
.footer{padding:22px 0 34px}
.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:12px;color:var(--muted);font-size:.95rem}
.prose{max-width:900px}
.prose h1{max-width:none;font-size:clamp(2rem,3.2vw,3rem)}
.prose h2{margin-top:30px}
.prose h3{margin-top:22px}
.prose p,.prose li{color:var(--muted)}
.prose table{width:100%;border-collapse:collapse;margin-top:16px;font-size:.95rem}
.prose th,.prose td{border:1px solid var(--line);padding:10px;vertical-align:top}
.prose th{background:rgba(255,255,255,.05);text-align:left}
.code-block{background:#07101d;border:1px solid var(--line);border-radius:18px;padding:16px;overflow:auto;color:#d6e6ff}
.back-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:20px}
@media (max-width: 980px){
  .hero-grid,.spotlight-grid,.two-col,.contact-grid,.project-grid,.timeline,.skill-grid{grid-template-columns:1fr}
  .topbar{flex-wrap:wrap}
  .nav-toggle{display:inline-flex}
  .nav{display:none;flex-basis:100%;flex-wrap:wrap;padding-top:8px}
  .nav.open{display:flex}
  h1{max-width:none}
  .section-heading,.footer-inner{flex-direction:column;align-items:flex-start}
}

.callout{margin:18px 0;padding:18px 20px;border-radius:20px;border:1px solid var(--line);background:linear-gradient(180deg, rgba(126,240,196,.10), rgba(255,255,255,.03));}
.callout h3,.mini-card h3{margin:0 0 8px}
.callout p:last-child,.mini-card p:last-child{margin-bottom:0}
.mini-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:18px}
.mini-card{padding:18px;border-radius:20px;border:1px solid var(--line);background:rgba(255,255,255,.035)}
.impact-text{font-size:1.04rem;color:var(--text);font-weight:600}
.project-artifact{margin-top:16px}
@media (max-width: 980px){.mini-grid{grid-template-columns:1fr}}

.diagram-figure{margin:20px 0 8px}
.diagram-figure img{width:100%;border-radius:20px;border:1px solid var(--line);background:#08111f;box-shadow:var(--shadow)}
.diagram-figure figcaption{margin-top:10px;color:var(--muted);font-size:.95rem}


html{scroll-padding-top:88px}
.site-shell{position:relative}
.topbar{
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(8,17,30,.82);
  backdrop-filter:blur(14px);
  border:1px solid var(--line);
  border-radius:18px;
  padding:14px 18px;
  margin-bottom:18px;
}
.nav a{padding:8px 10px;border-radius:10px}
.nav a:hover,.nav a:focus-visible{background:rgba(255,255,255,.06);outline:none}
.nav-resume{background:rgba(86,182,255,.14);color:var(--text)!important}
.section{padding:54px 0}
.section + .section{border-top:1px solid rgba(255,255,255,.05)}
.section-heading h2{font-size:clamp(1.9rem,3vw,2.8rem)}
.timeline-item h3,.skill-card h3{margin-bottom:4px}
.core-strengths{margin-top:18px;padding-top:12px;border-top:1px solid var(--line)}
.compact-list{margin-top:8px}
.tech-stack-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.muted-block{color:var(--muted);margin:0}
.contact-form{display:grid;gap:14px}
.contact-form label{display:grid;gap:8px}
.contact-form span{font-weight:700;color:var(--text)}
.contact-form input,.contact-form textarea{
  width:100%;
  border-radius:14px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  color:var(--text);
  padding:12px 14px;
  font:inherit;
}
.contact-form input::placeholder,.contact-form textarea::placeholder{color:var(--muted)}
.contact-form input:focus,.contact-form textarea:focus{outline:2px solid rgba(86,182,255,.4);outline-offset:1px}
.project-card .btn{margin-top:auto}
.project-grid .project-card{min-height:100%}
.hero-actions .btn-primary{box-shadow:0 14px 34px rgba(56,125,255,.28)}
@media (max-width: 980px){
  .tech-stack-grid{grid-template-columns:1fr}
  .topbar{padding:12px 14px}
}