@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=Noto+Sans+KR:wght@400;500;600;700;800&display=swap');

:root{
  --bg:#0a0d18;
  --bg-soft:#101522;
  --panel:#151b2b;
  --text:#f7f8fb;
  --muted:#a2a9b8;
  --line:rgba(255,255,255,.12);
  --accent:#91b6ff;
  --light:#f3f5f8;
  --ink:#151821;
  --ink-muted:#616a7b;
  --max:1500px;
}
*{box-sizing:border-box}
html{font-size:15px;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:Inter,"Noto Sans KR",sans-serif;
  line-height:1.65;
  overflow-x:hidden;
}
body.modal-open{overflow:hidden}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}
img{display:block;max-width:100%}
.container{width:min(var(--max),calc(100% - 42px));margin:0 auto}
.noise{
  pointer-events:none;position:fixed;inset:0;z-index:1000;opacity:.025;
  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='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.7'/%3E%3C/svg%3E")
}
.nav-shell{
  position:fixed;inset:0 0 auto;z-index:50;
  background:rgba(10,13,24,.7);backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(255,255,255,.08)
}
.nav{height:72px;display:flex;align-items:center;justify-content:space-between}
.brand{font-weight:800;letter-spacing:.11em;font-size:.85rem}
.nav-links{display:flex;gap:30px}
.nav-links a{font-size:.82rem;color:var(--muted);transition:.25s}
.nav-links a:hover{color:#fff}
.menu-btn{display:none;background:none;border:0;width:42px;height:42px;cursor:pointer}
.menu-btn span{display:block;width:22px;height:1px;background:#fff;margin:6px auto;transition:.2s}

.hero{
  min-height:100vh;display:grid;grid-template-columns:1.35fr .65fr;
  align-items:center;gap:72px;padding-top:110px;position:relative
}
.kicker{font-size:.72rem;letter-spacing:.2em;color:var(--accent);font-weight:700}
.hero h1{
  margin:22px 0 26px;font-size:clamp(2.9rem,5.8vw,6.2rem);
  line-height:1.02;letter-spacing:-.06em;font-weight:800
}
.hero h1 span{color:var(--accent)}
.hero-desc{max-width:700px;color:var(--muted);font-size:.88rem}
.hero-cta{display:flex;gap:12px;margin-top:34px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:12px;padding:13px 18px;border:1px solid var(--line);border-radius:999px;font-size:.86rem}
.btn.primary{background:#fff;color:#0b0e17;border-color:#fff}
.btn.ghost:hover{background:rgba(255,255,255,.06)}
.scroll-guide{position:absolute;left:0;bottom:30px;display:flex;align-items:center;gap:12px;color:#7f8797;font-size:.65rem;letter-spacing:.2em}
.scroll-guide i{width:60px;height:1px;background:#424959;display:block}

.section{padding:120px 0}
.section-head{display:flex;align-items:flex-start;gap:22px;margin-bottom:64px}
.section-head>span{color:var(--accent);font-weight:700}
.section-head p{font-size:.7rem;letter-spacing:.18em;color:var(--muted);margin:0 0 8px}
.section-head h2{font-size:clamp(2rem,4vw,3.7rem);letter-spacing:-.05em;line-height:1.12;margin:0}
.section-head.dark>span{color:#476da7}
.section-head.dark p{color:#778195}

.about-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:85px}
.about-statement{font-size:clamp(1.08rem,2.1vw,1.95rem);line-height:1.42;letter-spacing:-.035em;font-weight:700}
.about-statement p{margin:0 0 24px}
.about-copy{color:var(--muted);font-size:.88rem}
.about-copy p{margin:0 0 20px}
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:65px}
.metric{padding:26px;border:1px solid var(--line);border-radius:16px;background:var(--bg-soft)}
.metric strong{font-size:2rem;color:var(--accent);display:block}
.metric span{font-size:.82rem;color:var(--muted)}

.project-zone{background:var(--light);color:var(--ink)}
.project{display:grid;grid-template-columns:1fr;gap:0;background:#fff;border-radius:20px;overflow:hidden;box-shadow:0 4px 20px rgba(8,11,18,.12);transition:.3s;margin-bottom:60px}
.project:hover{box-shadow:0 8px 40px rgba(8,11,18,.18);transform:translateY(-4px)}
.project-visual{position:relative;cursor:zoom-in;width:100%;height:480px;background:#33415d;overflow:hidden;display:flex;align-items:center;justify-content:center}
.project-visual img{width:100%;height:100%;object-fit:contain;transition:transform .5s}
.project-visual:hover img{transform:scale(1.025)}
.project-visual>span{position:absolute;left:20px;bottom:20px;padding:8px 12px;border-radius:999px;background:rgba(8,11,18,.76);color:#fff;font-size:.68rem;letter-spacing:.1em}
.project-body{padding:40px 48px}
.project-top{display:flex;align-items:flex-start;justify-content:space-between;gap:22px}
.project-no{font-size:.68rem;letter-spacing:.15em;color:#7d8696;margin:0 0 14px}
.project h3{font-size:3rem;line-height:1;margin:0;letter-spacing:-.045em}
.subtitle{color:#636d7f;margin:10px 0 0}
.project-links{display:flex;gap:16px;margin:16px 0 20px;border-bottom:1px solid #e6e8ed;padding-bottom:20px}
.project-links a{display:inline-flex;align-items:center;gap:6px;font-size:.9rem;color:#315e9d;text-decoration:none;transition:.2s}
.project-links a:hover{color:#2d4a7f}
.project-team{display:flex;align-items:center;gap:12px;margin-bottom:20px}
.project-team span{font-size:.7rem;letter-spacing:.15em;color:#7d8696;font-weight:600}
.project-team p{margin:0;font-size:.82rem;color:#636d7f}
.status{font-size:.62rem;letter-spacing:.13em;padding:7px 10px;border-radius:999px;background:#e6f0ff;color:#315e9d;white-space:nowrap}
.status.done{background:#eef0f4;color:#687184}
.summary{font-size:.88rem;margin:30px 0;color:#313746}
.project dl{margin:0;border-top:1px solid #e6e8ed}
.project dl>div{display:grid;grid-template-columns:85px 1fr;padding:13px 0;border-bottom:1px solid #e6e8ed}
.project dt{font-size:.66rem;letter-spacing:.13em;color:#7d8696}
.project dd{margin:0;font-size:.82rem;color:#3f4654}
.impact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin:23px 0}
.impact-grid div{padding:16px;background:#f4f6f9;border-radius:12px}
.impact-grid b{font-size:.78rem;color:#2e5b97}
.impact-grid p{font-size:.78rem;line-height:1.55;color:#596274;margin:7px 0 0}
details{border-top:1px solid #e6e8ed;margin-top:20px}
summary{list-style:none;display:flex;justify-content:space-between;align-items:center;padding:18px 0 0;cursor:pointer;font-weight:700;font-size:.88rem}
summary::-webkit-details-marker{display:none}
details[open] summary span{transform:rotate(45deg)}
summary span{transition:.2s}
.gallery{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:18px}
.gallery button{padding:0;border:1px solid #e4e7ec;background:#fff;border-radius:12px;overflow:hidden;cursor:zoom-in;text-align:left}
.gallery img{width:100%;aspect-ratio:16/10;object-fit:cover}
.gallery button span{display:block;padding:10px 12px;font-size:.78rem;color:#343b49}

.skill-list{border-top:1px solid var(--line)}
.skill-row{display:grid;grid-template-columns:70px 240px 1fr;gap:26px;align-items:center;padding:26px 0;border-bottom:1px solid var(--line)}
.skill-row>span{color:var(--accent);font-size:.75rem}
.skill-row h3{font-size:1.18rem;margin:0}
.skill-row p{color:var(--muted);margin:0}

.experience-zone{background:#0d111d}
.timeline{border-top:1px solid var(--line)}
.timeline-item{display:grid;grid-template-columns:180px 1fr;gap:36px;padding:36px 0;border-bottom:1px solid var(--line)}
.timeline-item .time{color:var(--accent);margin:0}
.timeline-item span{font-size:.66rem;letter-spacing:.16em;color:#727d91}
.timeline-item .company{font-size:.82rem;color:#91b6ff;margin:6px 0 0;font-weight:600}
.timeline-item h3{font-size:1.35rem;margin:9px 0}
.timeline-item div p{color:var(--muted);margin:0}
.certs{display:flex;align-items:center;justify-content:space-between;margin-top:36px;padding:28px 0;border-bottom:1px solid var(--line)}
.certs>p{font-size:.7rem;letter-spacing:.16em;color:var(--muted)}
.certs div{display:flex;gap:10px;flex-wrap:wrap}
.certs span{padding:8px 12px;border:1px solid var(--line);border-radius:999px;font-size:.8rem}

.awards-section{margin-top:48px;padding-top:36px;border-top:1px solid var(--line)}
.awards-section>p{font-size:.7rem;letter-spacing:.16em;color:var(--muted);margin:0 0 28px}
.awards-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.award-item{padding:24px;border:1px solid var(--line);border-radius:16px;background:rgba(145,182,255,.05)}
.award-item h4{font-size:.95rem;margin:0 0 12px;color:var(--text);font-weight:600}
.award-item .award-date{font-size:.68rem;color:var(--muted)}
.award-item .award-rank{display:block;font-size:.7rem;color:var(--accent);margin:6px 0 10px;font-weight:600}
.award-item p{font-size:.82rem;line-height:1.5;color:var(--muted);margin:0}

.contact{background:var(--light);color:var(--ink);padding:100px 0;text-align:center}
.contact h2{font-size:clamp(2.2rem,4.5vw,4rem);margin:20px 0;letter-spacing:-.05em}
.contact-links{display:flex;flex-direction:column;gap:16px;margin-top:40px;align-items:center}
.contact-links a{font-size:.95rem;color:#2d4a7f;text-decoration:underline;transition:.2s}
.contact-links a:hover{color:#315e9d}

footer{background:#000;padding:28px 0;text-align:center;font-size:.82rem;color:var(--muted)}
footer a{transition:.2s}
footer a:hover{color:#fff}

.modal{position:fixed;inset:0;z-index:999;background:rgba(0,0,0,.95);display:flex;align-items:center;justify-content:center;opacity:0;pointer-events:none;transition:.3s}
.modal.open{opacity:1;pointer-events:all}
.modal img{max-width:90vw;max-height:90vh;object-fit:contain}
.modal-close{position:absolute;right:30px;top:30px;background:none;border:0;color:#fff;font-size:2rem;cursor:pointer;z-index:1000;transition:.2s}
.modal-close:hover{color:#ccc}

.reveal{opacity:0;transform:translateY(30px);transition:opacity .6s ease-out,transform .6s ease-out}
.reveal.active{opacity:1;transform:translateY(0)}
.delay-1{transition-delay:.1s}
.delay-2{transition-delay:.2s}
.delay-3{transition-delay:.3s}

@media(max-width:980px){
  .hero{grid-template-columns:1fr;gap:40px}
  .about-grid{grid-template-columns:1fr;gap:40px}
  .skill-row{grid-template-columns:1fr}
  .timeline-item{grid-template-columns:1fr;gap:12px}
}
@media(max-width:640px){
  .container{width:min(var(--max),calc(100% - 26px))}
  .hero h1{font-size:3.15rem}
  .hero-cta{flex-direction:column}
  .section{padding:88px 0}
  .metrics{grid-template-columns:1fr}
  .section-head{margin-bottom:42px}
  .project-visual{height:360px}
  .project-body{padding:32px 24px}
  .project h3{font-size:2.3rem}
  .project-top{display:block}
  .status{display:inline-block;margin-top:16px}
  .project-links{flex-direction:column;gap:10px}
  .project-links a{font-size:.85rem}
  .impact-grid,.gallery{grid-template-columns:1fr}
  .skill-row{grid-template-columns:45px 1fr}
  .skill-row p{grid-column:2}
  .timeline-item{grid-template-columns:1fr;gap:10px}
  .certs{align-items:flex-start;flex-direction:column}
  .awards-grid{grid-template-columns:1fr}
  .contact h2{font-size:3.45rem}
  .contact-links a{font-size:.86rem}
  .nav-links{display:none}
  .menu-btn{display:block}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  .project-visual img{transition:none}
}