:root{
  --bg:#070b12;
  --bg-alt:#0c1320;
  --panel:rgba(12,19,32,.68);
  --panel-strong:rgba(18,28,48,.86);
  --line:rgba(255,255,255,.10);
  --line-strong:rgba(255,255,255,.18);
  --text:#f6f8ff;
  --muted:#9aa8c7;
  --accent:#a6093d;
  --accent-2:#5bc2e7;
  --accent-soft:rgba(166,9,61,.22);
  --accent-2-soft:rgba(91,194,231,.15);
  --shadow:0 24px 90px rgba(0,0,0,.35);
  --container:min(1180px, calc(100% - 48px));
  --header-h:78px;
  --font:Inter, "Pretendard Variable", Pretendard, "Noto Sans KR", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
body.light{
  --bg:#f4f7fc;
  --bg-alt:#e9eef7;
  --panel:rgba(255,255,255,.74);
  --panel-strong:rgba(255,255,255,.92);
  --line:rgba(6,12,25,.10);
  --line-strong:rgba(6,12,25,.18);
  --text:#0f1727;
  --muted:#53627d;
  --accent-soft:rgba(166,9,61,.10);
  --accent-2-soft:rgba(91,194,231,.18);
  --shadow:0 24px 70px rgba(22,31,46,.12);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  background:
    radial-gradient(circle at 10% 20%, rgba(91,194,231,.12), transparent 32%),
    radial-gradient(circle at 90% 10%, rgba(166,9,61,.14), transparent 28%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-alt) 100%);
  color:var(--text);
  overflow-x:hidden;
}
body.palette-open{overflow:hidden}
a{color:inherit;text-decoration:none}
button{font:inherit}
#bg-canvas{
  position:fixed;inset:0;width:100%;height:100%;z-index:-3;
}
.noise{
  position:fixed;inset:0;z-index:-2;opacity:.065;pointer-events:none;
  background-image:
    radial-gradient(circle at 20% 20%, rgba(255,255,255,.30) 0 1px, transparent 1px),
    radial-gradient(circle at 80% 30%, rgba(255,255,255,.22) 0 1px, transparent 1px),
    radial-gradient(circle at 30% 80%, rgba(255,255,255,.15) 0 1px, transparent 1px);
  background-size:22px 22px, 28px 28px, 34px 34px;
  mix-blend-mode:overlay;
}
.scroll-progress{
  position:fixed;top:0;left:0;height:3px;width:0;
  background:linear-gradient(90deg, var(--accent), var(--accent-2));
  z-index:9999;box-shadow:0 0 18px rgba(91,194,231,.45);
}
.cursor{
  position:fixed;top:0;left:0;pointer-events:none;border-radius:50%;
  z-index:10000;transform:translate(-50%, -50%);transition:opacity .2s ease;
}
.cursor-outer{
  width:38px;height:38px;border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.02);backdrop-filter:blur(4px);
}
.cursor-inner{
  width:8px;height:8px;background:var(--accent-2);box-shadow:0 0 24px rgba(91,194,231,.8);
}
body.cursor-hidden .cursor{opacity:0}
.site-header{
  position:sticky;top:0;z-index:1000;height:var(--header-h);width:100%;
  display:flex;align-items:center;justify-content:space-between;padding:0 24px;
  border-bottom:1px solid rgba(255,255,255,.05);backdrop-filter: blur(18px);
  background:linear-gradient(180deg, rgba(7,11,18,.78), rgba(7,11,18,.48));
}
body.light .site-header{
  background:linear-gradient(180deg, rgba(255,255,255,.82), rgba(255,255,255,.56));
  border-bottom-color:rgba(0,0,0,.06);
}
.brand{display:flex;align-items:center;gap:14px;min-width:0}
.brand-mark{
  width:44px;height:44px;display:grid;place-items:center;border-radius:14px;
  background:linear-gradient(135deg, rgba(166,9,61,.85), rgba(91,194,231,.85));
  color:#fff;font-weight:800;letter-spacing:.08em;box-shadow:0 10px 25px rgba(91,194,231,.25);
}
.brand-copy{display:flex;flex-direction:column;min-width:0}
.brand-copy strong{font-size:.95rem;letter-spacing:.08em}
.brand-copy small{color:var(--muted);font-size:.75rem;letter-spacing:.12em;text-transform:uppercase}
.main-nav{display:flex;gap:26px}
.main-nav a{color:var(--muted);font-size:.92rem;position:relative}
.main-nav a::after{
  content:"";position:absolute;left:0;bottom:-8px;width:100%;height:2px;
  background:linear-gradient(90deg, var(--accent), var(--accent-2));
  transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.main-nav a:hover::after{transform:scaleX(1)}
.header-actions{display:flex;gap:10px}
.ghost-btn,.mini-btn{
  border:1px solid var(--line);background:rgba(255,255,255,.04);color:var(--text);
  padding:12px 16px;border-radius:14px;cursor:pointer;
  transition:transform .22s ease, border-color .22s ease, background .22s ease;
}
.ghost-btn:hover,.mini-btn:hover{
  transform:translateY(-2px);border-color:var(--line-strong);background:rgba(255,255,255,.08);
}
.section{
  width:var(--container);margin:0 auto;padding:110px 0;position:relative;
}
.hero{
  min-height:100vh;display:flex;align-items:center;padding-top:calc(var(--header-h) + 16px);
}
.hero-grid{
  width:100%;display:grid;grid-template-columns:1.08fr .92fr;gap:34px;align-items:center;
}
.hero-copy h1{margin:0 0 18px;line-height:.95}
.name-line{
  display:block;font-size:clamp(3.8rem, 8vw, 7.5rem);font-weight:900;letter-spacing:-.04em;
  text-shadow:0 10px 40px rgba(0,0,0,.3);
}
.name-sub{
  display:block;margin-top:12px;font-size:clamp(1rem, 2vw, 1.35rem);color:var(--muted);letter-spacing:.14em;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;margin:0 0 18px;font-size:.82rem;
  font-weight:700;letter-spacing:.24em;text-transform:uppercase;color:var(--accent-2);
}
.eyebrow::before{
  content:"";display:inline-block;width:40px;height:1px;background:linear-gradient(90deg, transparent, var(--accent-2));
}
.hero-desc{max-width:720px;margin:0 0 24px;color:var(--muted);font-size:1.08rem;line-height:1.8}
.role-rotator{display:flex;align-items:center;gap:14px;margin:20px 0 32px;flex-wrap:wrap}
.role-label{
  display:inline-flex;align-items:center;padding:8px 12px;border-radius:999px;background:var(--accent-soft);
  color:#ffbcd2;font-size:.84rem;letter-spacing:.06em;
}
body.light .role-label{color:#8d2342}
#typedRole{font-size:1.2rem;min-height:1.5em}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:34px}
.primary-btn,.secondary-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:52px;
  padding:14px 20px;border-radius:16px;
  transition:transform .22s ease, box-shadow .22s ease, border-color .22s ease, background .22s ease;
}
.primary-btn{background:linear-gradient(135deg, var(--accent), #cb2d63);color:#fff;box-shadow:0 16px 40px rgba(166,9,61,.28)}
.secondary-btn{border:1px solid var(--line);background:rgba(255,255,255,.05)}
.primary-btn:hover,.secondary-btn:hover{transform:translateY(-3px)}
.quick-stats{
  list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(3, minmax(120px, 1fr));gap:16px;
}
.quick-stats li{
  padding:18px 18px 16px;border:1px solid var(--line);border-radius:18px;background:rgba(255,255,255,.03);
}
.quick-stats strong{display:block;margin-bottom:6px;font-size:1.8rem}
.quick-stats span{color:var(--muted);font-size:.92rem}
.panel-shell{
  position:relative;border:1px solid var(--line);border-radius:32px;padding:22px;
  background:linear-gradient(180deg, var(--panel-strong), rgba(8,11,19,.58));
  box-shadow:var(--shadow);overflow:hidden;
}
body.light .panel-shell{background:linear-gradient(180deg, rgba(255,255,255,.96), rgba(255,255,255,.78))}
.panel-glow{
  position:absolute;inset:auto -20% -30% auto;width:240px;height:240px;border-radius:50%;
  background:radial-gradient(circle, rgba(91,194,231,.26), transparent 66%);filter:blur(8px);
}
.panel-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.chip{
  display:inline-flex;align-items:center;gap:8px;font-size:.75rem;padding:9px 12px;border-radius:999px;
  border:1px solid rgba(91,194,231,.26);background:rgba(91,194,231,.10);color:#bfefff;letter-spacing:.08em;
}
.chip.live::before{
  content:"";width:8px;height:8px;border-radius:50%;background:#56ffad;box-shadow:0 0 14px rgba(86,255,173,.8);
}
.dot-cluster{display:flex;gap:8px}
.dot-cluster i{width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,.24)}
.identity-card{
  position:relative;border-radius:26px;padding:26px;border:1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.02)),
    radial-gradient(circle at 100% 0%, rgba(166,9,61,.16), transparent 24%),
    radial-gradient(circle at 0% 100%, rgba(91,194,231,.12), transparent 28%);
}
.identity-main{display:flex;gap:18px;align-items:center;margin-bottom:22px}
.avatar-ring{
  width:96px;height:96px;border-radius:50%;padding:3px;
  background:conic-gradient(from 0deg, var(--accent), var(--accent-2), var(--accent), var(--accent-2));
  animation:spin 8s linear infinite;
}
.avatar-core{
  width:100%;height:100%;border-radius:50%;background:var(--bg);display:grid;place-items:center;
  font-size:1.8rem;font-weight:900;
}
.identity-card h2{margin:0 0 4px;font-size:2rem}
.identity-card p{margin:0 0 6px;color:var(--muted)}
.muted{color:var(--muted);font-size:.92rem}
.identity-meta{display:grid;grid-template-columns:repeat(2, minmax(0,1fr));gap:16px;margin:0 0 20px}
.identity-meta div{padding:14px 14px 12px;border-radius:16px;border:1px solid var(--line);background:rgba(255,255,255,.03)}
.identity-meta dt{color:var(--muted);font-size:.82rem;margin-bottom:6px}
.identity-meta dd{margin:0;font-weight:600;line-height:1.55;word-break:break-word}
.card-actions{display:flex;gap:10px;flex-wrap:wrap}
.panel-footer{
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-top:16px;
  color:var(--muted);font-size:.92rem;
}
.inline-tags{list-style:none;display:flex;gap:10px;padding:0;margin:0;flex-wrap:wrap}
.inline-tags li{padding:8px 12px;border-radius:999px;border:1px solid var(--line);background:rgba(255,255,255,.04)}
.scroll-down{
  position:absolute;left:50%;bottom:32px;transform:translateX(-50%);
  display:flex;flex-direction:column;align-items:center;gap:10px;color:var(--muted);
  font-size:.8rem;letter-spacing:.24em;
}
.scroll-down::after{
  content:"";width:1px;height:56px;background:linear-gradient(180deg, var(--accent-2), transparent);
  animation:scrollLine 1.6s ease-in-out infinite;
}
.section-head{max-width:880px;margin-bottom:38px}
.section-head h2{margin:0;font-size:clamp(1.9rem, 4vw, 3.35rem);line-height:1.1;letter-spacing:-.03em}
.about-grid,.edu-grid,.stack-grid{display:grid;grid-template-columns:repeat(2, minmax(0,1fr));gap:22px}
.glass-card{
  border:1px solid var(--line);border-radius:26px;padding:24px;
  background:linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.025));
  box-shadow:var(--shadow);backdrop-filter:blur(14px);
}
body.light .glass-card{background:linear-gradient(180deg, rgba(255,255,255,.88), rgba(255,255,255,.70))}
.glass-card h3{margin:0 0 16px;font-size:1.25rem}
.glass-card p{margin:0;line-height:1.78;color:var(--muted)}
.quote-box{
  margin-top:18px;padding:16px 18px;border-left:3px solid var(--accent-2);
  background:rgba(91,194,231,.08);border-radius:0 18px 18px 0;
}
.info-list{display:grid;gap:14px}
.info-list div{
  display:flex;align-items:flex-start;justify-content:space-between;gap:18px;
  padding-bottom:12px;border-bottom:1px dashed var(--line);
}
.info-list span{color:var(--muted);font-size:.92rem}
.info-list strong{font-weight:700;text-align:right;max-width:65%}
.pill-list{padding:0;margin:0;list-style:none;display:flex;flex-wrap:wrap;gap:10px}
.pill-list li{padding:12px 14px;border-radius:999px;background:rgba(255,255,255,.05);border:1px solid var(--line)}
.timeline-wrap{position:relative;padding-left:28px}
.timeline-wrap::before{
  content:"";position:absolute;left:9px;top:10px;bottom:10px;width:2px;background:linear-gradient(180deg, rgba(255,255,255,.1), rgba(255,255,255,.02));
}
.timeline-progress{
  position:absolute;left:9px;top:10px;width:2px;height:0;background:linear-gradient(180deg, var(--accent), var(--accent-2));
  box-shadow:0 0 18px rgba(91,194,231,.35);
}
.timeline-item{position:relative;margin-bottom:26px}
.timeline-item::before{
  content:"";position:absolute;left:-23px;top:28px;width:16px;height:16px;border-radius:50%;
  background:var(--bg);border:2px solid var(--accent-2);box-shadow:0 0 0 6px rgba(91,194,231,.10);
}
.timeline-date{display:inline-flex;margin-bottom:12px;color:#bfefff;font-weight:700;letter-spacing:.04em}
body.light .timeline-date{color:#0f5a75}
.timeline-card{
  border:1px solid var(--line);border-radius:24px;padding:22px;
  background:linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.02));
}
.timeline-card h3{margin:0 0 6px;font-size:1.3rem}
.timeline-role{margin:0 0 14px;color:var(--accent-2);font-weight:700}
.timeline-card p:last-of-type{margin:0;color:var(--muted);line-height:1.74}
.timeline-tags,.project-tags{
  list-style:none;display:flex;gap:10px;padding:0;margin:16px 0 0;flex-wrap:wrap;
}
.timeline-tags li,.project-tags li{
  padding:8px 12px;border-radius:999px;background:rgba(255,255,255,.05);border:1px solid var(--line);font-size:.86rem;
}
.cert-list{display:grid;gap:14px}
.cert-item{padding:18px;border:1px solid var(--line);border-radius:18px;background:rgba(255,255,255,.04)}
.cert-item strong{display:block;margin-bottom:8px;font-size:1.06rem}
.cert-item span{display:block;margin-bottom:6px;color:var(--accent-2)}
.cert-item small{color:var(--muted);line-height:1.5}
.project-grid{display:grid;grid-template-columns:repeat(2, minmax(0,1fr));gap:22px}
.project-card{
  position:relative;overflow:hidden;border:1px solid var(--line);border-radius:28px;padding:24px;
  background:
    radial-gradient(circle at 100% 0%, rgba(91,194,231,.12), transparent 25%),
    radial-gradient(circle at 0% 100%, rgba(166,9,61,.12), transparent 25%),
    linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.025));
  min-height:260px;
}
.project-card h3{margin:0 0 12px;font-size:1.35rem}
.project-card p{margin:0;color:var(--muted);line-height:1.74}
.project-index{
  position:absolute;top:18px;right:18px;font-size:2.6rem;font-weight:900;color:rgba(255,255,255,.08);
}
body.light .project-index{color:rgba(0,0,0,.08)}
.meter-list{display:grid;gap:16px}
.meter{display:grid;gap:10px}
.meter span{font-weight:600}
.meter i{
  display:block;height:10px;border-radius:999px;background:rgba(255,255,255,.06);position:relative;overflow:hidden;
}
.meter i::before{
  content:"";position:absolute;inset:0 auto 0 0;width:var(--value);background:linear-gradient(90deg, var(--accent), var(--accent-2));
  border-radius:999px;box-shadow:0 0 14px rgba(91,194,231,.25);
}
.contact-shell{
  border:1px solid var(--line);border-radius:30px;padding:26px;
  background:
    radial-gradient(circle at 0% 0%, rgba(166,9,61,.14), transparent 26%),
    radial-gradient(circle at 100% 100%, rgba(91,194,231,.14), transparent 30%),
    linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
}
.contact-copy{max-width:760px;margin-bottom:22px}
.contact-copy h3{margin:0 0 10px;font-size:2rem}
.contact-copy p{margin:0;color:var(--muted);line-height:1.75}
.contact-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:22px}
.contact-grid{display:grid;grid-template-columns:repeat(2, minmax(0,1fr));gap:14px}
.contact-box{
  display:flex;flex-direction:column;gap:8px;padding:18px;border:1px solid var(--line);
  border-radius:18px;background:rgba(255,255,255,.04);
}
.contact-box span{color:var(--muted);font-size:.9rem}
.contact-box strong{font-size:1.02rem;line-height:1.5;word-break:break-word}
.contact-toolbar{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}
.site-footer{width:var(--container);margin:0 auto;padding:0 0 42px;color:var(--muted)}
.command-palette{
  position:fixed;inset:0;display:grid;place-items:center;background:rgba(0,0,0,.55);
  backdrop-filter:blur(8px);opacity:0;visibility:hidden;transition:opacity .2s ease, visibility .2s ease;z-index:2000;
}
.command-palette.open{opacity:1;visibility:visible}
.command-panel{
  width:min(580px, calc(100% - 24px));border:1px solid var(--line);border-radius:24px;
  background:linear-gradient(180deg, rgba(14,20,34,.96), rgba(10,15,26,.94));box-shadow:var(--shadow);overflow:hidden;
}
body.light .command-panel{background:linear-gradient(180deg, rgba(255,255,255,.98), rgba(247,250,255,.98))}
.command-top{display:flex;gap:10px;padding:16px;border-bottom:1px solid var(--line)}
.command-top input{
  flex:1;border:none;outline:none;background:rgba(255,255,255,.05);color:var(--text);border-radius:14px;padding:14px 16px;
}
.command-top button{
  border:none;border-radius:14px;width:46px;background:rgba(255,255,255,.06);color:var(--text);cursor:pointer;
}
.command-list{list-style:none;padding:8px;margin:0;display:grid}
.command-list li{
  padding:14px 16px;border-radius:14px;cursor:pointer;transition:background .18s ease, transform .18s ease;
}
.command-list li:hover{background:rgba(255,255,255,.06);transform:translateX(4px)}
.command-hint{margin:0;padding:14px 16px 18px;color:var(--muted);font-size:.9rem}
.toast{
  position:fixed;left:50%;bottom:24px;transform:translateX(-50%) translateY(16px);
  padding:13px 16px;border-radius:14px;background:rgba(9,14,24,.9);color:#fff;border:1px solid rgba(255,255,255,.08);
  box-shadow:var(--shadow);opacity:0;pointer-events:none;transition:opacity .22s ease, transform .22s ease;z-index:2100;
}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s ease, transform .7s ease}
.reveal.in-view{opacity:1;transform:none}
.tilt-card{transform-style:preserve-3d;will-change:transform;transition:transform .18s ease}
.magnetic{will-change:transform}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes scrollLine{
  0%,100%{transform:scaleY(.35);transform-origin:top}
  50%{transform:scaleY(1);transform-origin:top}
}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *, *::before, *::after{animation:none !important;transition:none !important}
  .reveal{opacity:1;transform:none}
}
@media (max-width: 1080px){
  .main-nav{display:none}
  .hero-grid{grid-template-columns:1fr}
}
@media (max-width: 980px){
  .cursor{display:none}
}
@media (max-width: 860px){
  .about-grid,.edu-grid,.stack-grid,.project-grid,.contact-grid{grid-template-columns:1fr}
  .identity-meta{grid-template-columns:1fr}
  .quick-stats{grid-template-columns:1fr}
}
@media (max-width: 640px){
  :root{--container:min(1180px, calc(100% - 28px))}
  .site-header{padding:0 16px;height:72px}
  .header-actions{gap:8px}
  .ghost-btn{padding:10px 12px;font-size:.88rem}
  .brand-copy small{display:none}
  .section{padding:90px 0}
  .hero{min-height:auto;padding-top:120px;padding-bottom:90px}
  .name-line{font-size:3rem}
  .name-sub{letter-spacing:.1em}
  .hero-desc{font-size:1rem}
  .panel-shell,.glass-card,.project-card,.timeline-card,.contact-shell{padding:18px;border-radius:22px}
  .identity-main{align-items:flex-start}
  .avatar-ring{width:82px;height:82px}
  .contact-copy h3{font-size:1.6rem}
  .info-list div{flex-direction:column;gap:6px}
  .info-list strong{max-width:100%;text-align:left}
}
@media print{
  body{background:#fff;color:#000}
  #bg-canvas,.noise,.cursor,.site-header,.scroll-progress,.scroll-down,.command-palette,.toast{display:none !important}
  .section{width:100%;padding:28px 0}
  .glass-card,.project-card,.timeline-card,.contact-shell,.panel-shell{
    box-shadow:none;background:#fff;color:#000;border:1px solid #ddd;
  }
  .hero-grid,.about-grid,.edu-grid,.stack-grid,.project-grid,.contact-grid{grid-template-columns:1fr !important}
}


.text-list{
  margin:18px 0 0;
  padding-left:18px;
  display:grid;
  gap:10px;
  color:var(--muted);
  line-height:1.7;
}
.text-list li::marker{
  color:var(--accent-2);
}
.stack-columns{
  display:grid;
  grid-template-columns:repeat(3, minmax(0,1fr));
  gap:22px;
}
.analysis-grid{
  display:grid;
  grid-template-columns:repeat(3, minmax(0,1fr));
  gap:22px;
}
.analysis-note{
  grid-column:1 / -1;
}
@media (max-width: 860px){
  .stack-columns,
  .analysis-grid{
    grid-template-columns:1fr;
  }
}
@media print{
  .stack-columns,
  .analysis-grid{
    grid-template-columns:1fr !important;
  }
}