@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@400%3B500%3B600&family=Noto+Sans+KR:wght@400%3B500%3B600&display=swap');
:root{color-scheme:dark;--bg:#080e13;--text:#e8ebed;--muted:#8e9aa5;--line:#24303a;--blue:#aac8de}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:'DM Sans','Noto Sans KR',sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}button:focus-visible,a:focus-visible,canvas:focus-visible{outline:2px solid var(--blue);outline-offset:6px}header{height:100px;max-width:1440px;margin:auto;padding:0 6%;display:flex;align-items:center;gap:42px;border-bottom:1px solid #ffffff0b}.logo{font-size:30px;font-weight:700;letter-spacing:-3px}.logo span{color:var(--blue)}nav{display:flex;gap:27px;margin:auto;font-size:12px;color:var(--muted)}nav a{padding:14px 0;position:relative}nav a.active{color:var(--text)}nav a.active:after{content:'';height:2px;background:var(--blue);position:absolute;bottom:2px;left:0;right:0}.language{display:flex;gap:7px;font-size:11px;color:var(--muted)}.language button{padding:8px 3px}.language .active{color:white}.menu{display:none}main{max-width:1440px;margin:auto;padding:0 6%;min-height:calc(100vh - 180px)}.hero{position:relative;min-height:680px;display:grid;grid-template-columns:1fr 1.1fr;align-items:center;gap:20px}.eyebrow{font-size:10px;letter-spacing:2.7px;color:var(--muted);text-transform:uppercase;margin-bottom:28px}.hero h1{font-size:clamp(46px,5.2vw,77px);font-weight:400;line-height:1.08;letter-spacing:-3.5px;margin:0 0 32px}.hero h1 em{font-style:normal;color:var(--blue)}.hero p{font-size:14px;line-height:1.95;color:var(--muted);max-width:360px}.hero-name{margin-top:36px;font-size:13px}.hero-name span{display:block;color:var(--muted);font-size:11px;margin-top:7px}.text-link{display:inline-flex;gap:28px;border-bottom:1px solid #7c8996;padding:12px 0;font-size:12px;margin-top:24px}.globe-wrap{position:relative;width:100%;aspect-ratio:1;max-width:610px;margin:auto}canvas{width:100%;height:100%;touch-action:none;cursor:grab}canvas:active{cursor:grabbing}.globe-caption{position:absolute;bottom:22px;left:0;right:0;text-align:center;color:#7f8a95;font-size:9px;letter-spacing:1.5px}.globe-controls{display:flex;justify-content:center;gap:16px;position:absolute;bottom:-10px;width:100%}.globe-controls button{font-size:12px;color:var(--muted);padding:5px 8px}.home-bottom{border-top:1px solid var(--line);padding:26px 0 40px;display:flex;justify-content:space-between;align-items:center;font-size:10px;color:var(--muted);letter-spacing:1.4px}.home-bottom a{color:var(--text)}.page{padding:68px 0 90px;animation:appear .35s ease}.page-head{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:55px}.page-head h1{font-size:52px;font-weight:400;letter-spacing:-2px;margin:0}.page-head p{color:var(--muted);font-size:13px;line-height:1.9;max-width:360px;margin:0}.big-intro{font-size:clamp(30px,4vw,55px);font-weight:400;line-height:1.3;letter-spacing:-1.7px;max-width:860px}.two-col{display:grid;grid-template-columns:1fr 1.35fr;gap:100px;margin-top:65px}.label{font-size:11px;letter-spacing:1.5px;color:var(--muted);text-transform:uppercase}.prose{color:var(--muted);font-size:14px;line-height:2}.prose strong{color:var(--text);font-weight:500}.rule-row{border-top:1px solid var(--line);padding:30px 0;display:grid;grid-template-columns:200px 1fr;gap:35px}.rule-row h3{font-size:18px;font-weight:500;margin:0 0 12px}.rule-row ul{margin:0;padding-left:18px}.rule-row li{padding:5px 0;color:var(--muted);font-size:13px;line-height:1.8}.filters{display:flex;flex-wrap:wrap;gap:25px;margin-bottom:32px;font-size:11px}.filters button{color:var(--muted);padding:8px 0}.filters button.active{color:var(--text);border-bottom:1px solid var(--blue)}.project-row{display:grid;grid-template-columns:1.1fr 1fr;gap:55px;padding:34px 0;border-top:1px solid var(--line);align-items:center}.map{height:235px;overflow:hidden;background:#111b23;position:relative}.map svg{width:100%;height:100%;transition:transform .8s}.project-row:hover .map svg{transform:scale(1.04)}.map-label{position:absolute;left:16px;bottom:12px;font-size:8px;letter-spacing:1px;background:#080e13d9;padding:6px 8px;color:#c1cbd3}.project-meta{display:flex;justify-content:space-between;color:var(--muted);font-size:10px;letter-spacing:1px}.project-row h2{font-size:25px;font-weight:400;letter-spacing:-.8px;margin:22px 0 16px}.project-row p{font-size:13px;color:var(--muted);line-height:1.9}.tags{font-size:10px;color:var(--blue);margin-top:25px;word-spacing:12px}.project-row .arrow{font-size:23px}.back{font-size:11px;color:var(--muted);margin-bottom:38px;display:inline-block}.detail .map{height:360px;margin:40px 0}.detail-grid{display:grid;grid-template-columns:180px 1fr;gap:60px}.step{padding:26px 0;border-top:1px solid var(--line)}.step h2{font-weight:500;font-size:20px}.step p{font-size:14px;line-height:1.9;color:var(--muted)}pre{padding:25px;background:#111a22;border-left:2px solid var(--blue);overflow:auto;color:#b6cbdc;font-size:12px;line-height:1.8}.notice{font-size:11px;color:var(--muted);border-top:1px solid var(--line);padding-top:18px;line-height:1.8}.research-row{padding:35px 0;border-top:1px solid var(--line);display:grid;grid-template-columns:60px 1fr 1.2fr;gap:25px}.research-row h2{font-size:25px;font-weight:400;margin:0}.research-row p{color:var(--muted);font-size:13px;line-height:1.9;margin:0}.skill-row{display:grid;grid-template-columns:220px 1fr;gap:50px;border-top:1px solid var(--line);padding:30px 0}.skill-row h2{font-size:19px;font-weight:400;margin:0}.skill-list{display:flex;gap:15px;flex-wrap:wrap}.skill-list span{padding:8px 0;margin-right:20px;font-size:14px}.skill-row p{color:var(--muted);font-size:12px;line-height:1.9}.contact-title{font-size:clamp(50px,8vw,110px);line-height:1.08;letter-spacing:-4px;font-weight:400;margin:35px 0 60px}.contact-line{display:flex;justify-content:space-between;border-top:1px solid var(--line);padding:24px 0;font-size:16px}.contact-line span:last-child{color:var(--muted);font-size:12px}footer{max-width:1440px;margin:auto;padding:27px 6%;display:flex;justify-content:space-between;border-top:1px solid var(--line);font-size:9px;color:var(--muted);letter-spacing:1px}@keyframes appear{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}@media(min-width:1500px){.hero{min-height:760px}}@media(max-width:900px){header{gap:15px;height:80px}nav{gap:15px;font-size:10px}.hero{min-height:620px}.hero h1{font-size:52px}.two-col{gap:40px}.project-row{gap:30px}.page-head{gap:25px}.page-head h1{font-size:44px}}@media(max-width:650px){header{height:75px;padding:0 7%;flex-wrap:wrap;position:relative}.language{margin-left:auto}.menu{display:block}nav{display:none;position:absolute;top:74px;left:0;right:0;background:#0e161e;z-index:5;padding:20px 7%;flex-wrap:wrap;gap:22px}nav.open{display:flex}main{padding:0 7%}.hero{display:flex;flex-direction:column;align-items:stretch;gap:0;padding-top:55px;min-height:0}.hero h1{font-size:49px;letter-spacing:-2px}.hero p{font-size:13px}.hero-name{margin-top:22px}.globe-wrap{width:105%;margin:5px -2.5% 45px;max-width:440px}.home-bottom{gap:20px;line-height:1.8}.page{padding:45px 0 60px}.page-head{display:block;margin-bottom:40px}.page-head h1{font-size:40px;margin-bottom:22px}.two-col,.rule-row,.project-row,.detail-grid,.research-row,.skill-row{grid-template-columns:1fr;gap:20px}.two-col{margin-top:40px}.map{height:220px}.project-row{padding:28px 0;gap:25px}.project-row h2{font-size:23px;margin-top:16px}.research-row{gap:17px}.detail .map{height:240px}.contact-title{letter-spacing:-2px}footer{font-size:8px;padding:25px 7%;gap:25px}footer span:nth-child(2){display:none}.skill-row{gap:12px}.filters{gap:18px}.globe-caption{font-size:8px}}@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

/* A photographic first frame stays visible until the interactive renderer is ready. */
.earth-fallback{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;pointer-events:none}
#globe{position:relative;z-index:1;display:block;opacity:0;background:transparent}
#globe.ready{opacity:1}
.globe-wrap:has(#globe.ready) .earth-fallback{visibility:hidden}
.globe-wrap{max-width:650px}
.globe-caption{bottom:0;letter-spacing:1.8px;color:#8593a1}
.globe-controls{bottom:-36px;z-index:2}
.hero{grid-template-columns:1fr 1.25fr;gap:0;min-height:calc(100vh - 210px);padding:40px 0 70px}
.hero h1{font-size:clamp(54px,5.3vw,82px);line-height:1.07;letter-spacing:-3px}
.hero p{font-size:15px;line-height:1.9}
nav{font-size:13px}
.hero .eyebrow{font-size:11px}
.hero-name{font-size:15px}
.hero-name span{font-size:11px;margin-top:9px}
@media(max-width:900px){.hero h1{font-size:52px}.hero{min-height:650px}.globe-wrap{width:110%;margin-left:-5%}}
@media(max-width:650px){.hero{padding:55px 0 20px;min-height:0}.hero h1{font-size:51px}.globe-wrap{width:110%;margin:20px -5% 70px}.globe-caption{font-size:8px}.hero p{font-size:14px}}

.workflow-cover{height:100%;width:100%;padding:24px;display:flex;flex-direction:column;justify-content:space-between;background:linear-gradient(135deg,#18232e,#0e171e);color:#c3d0dc}
.workflow-top,.workflow-bottom{display:flex;justify-content:space-between;gap:15px;font-size:9px;letter-spacing:1.2px;color:#8b9caa}
.workflow-bottom{letter-spacing:0;font-size:10px}
.workflow-nodes{display:flex;align-items:center;justify-content:space-between;gap:12px}
.workflow-node{font-size:clamp(9px,1.1vw,13px);letter-spacing:.5px;border-top:1px solid #4c6274;padding:18px 0;flex:1}
.workflow-node small{display:block;font-size:9px;color:#6e889d;margin-bottom:15px}
.workflow-nodes b{font-size:16px;font-weight:400;color:#668194}
.project-context{margin-top:20px;font-size:10px;color:#8494a1}
.project-info{font-size:13px;line-height:1.9;color:#b2bfca;margin:16px 0 30px}
.detail-cover .workflow-cover{padding:36px}
.detail-cover .workflow-node{font-size:19px}
@media(max-width:650px){.workflow-cover{padding:20px}.workflow-node{font-size:10px}.detail-cover .workflow-cover{padding:22px}.detail-cover .workflow-node{font-size:12px}.workflow-bottom{font-size:9px}}
/* Unified portfolio typography and identity */
:root{--portfolio-font:'DM Sans','Noto Sans KR',sans-serif}
body,button,input,textarea{font-family:var(--portfolio-font)}
.logo{font-family:var(--portfolio-font);font-size:28px;font-weight:600;letter-spacing:-1.5px}
nav{font-size:13px;font-weight:500;letter-spacing:0}
.hero h1{font-family:var(--portfolio-font);font-size:clamp(44px,4.6vw,68px);font-weight:500;line-height:1.13;letter-spacing:-2.5px}
.page-head h1{font-family:var(--portfolio-font);font-size:44px;font-weight:500;line-height:1.25;letter-spacing:-1.4px}
.big-intro{font-family:var(--portfolio-font);font-size:44px;font-weight:500;line-height:1.3;letter-spacing:-1.4px}
.project-row h2,.research-row h2,.step h2{font-family:var(--portfolio-font);font-weight:500;letter-spacing:-.5px}
.contact-title{font-family:var(--portfolio-font);font-size:clamp(44px,6vw,76px);font-weight:500;line-height:1.15;letter-spacing:-2px}
.eyebrow,.label{letter-spacing:1.4px;font-weight:500}
@media(max-width:650px){.hero h1{font-size:44px;letter-spacing:-1.5px}.page-head h1,.big-intro{font-size:34px;letter-spacing:-1px}.contact-title{font-size:48px;letter-spacing:-1.5px}}

:root{--portfolio-font:'IBM Plex Sans','Noto Sans KR',sans-serif}body,button,input,textarea,.logo,.hero h1,.page-head h1,.big-intro,.project-row h2,.research-row h2,.step h2,.contact-title{font-family:var(--portfolio-font)}

.project-row{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:48px;padding:38px 0}.project-row h2{font-size:25px;line-height:1.45}.project-row p{font-size:15px;line-height:1.85}.detail .page-head{display:block;max-width:900px}.detail .page-head p{max-width:720px;margin-top:22px;font-size:16px;line-height:1.9}.detail .step{padding:30px 0}.detail .step h2{font-size:23px;line-height:1.45}.detail .step p{font-size:16px;line-height:1.95}.detail .label{letter-spacing:.8px}@media(max-width:650px){.project-row{grid-template-columns:1fr;gap:22px}.project-row h2{font-size:22px}.detail .step p{font-size:15px}}

.about-intro{display:grid;grid-template-columns:1fr 1.4fr;gap:70px;align-items:start;padding:10px 0 45px}.about-intro h2{font-size:30px;font-weight:500;margin:0 0 16px}.about-intro .prose{margin-top:0}.about-section{margin-top:40px}.about-section>h2{font-size:24px;font-weight:500;margin-bottom:28px}.work-summary{display:flex;justify-content:space-between;gap:22px;border-top:1px solid var(--line);padding:19px 0;font-size:15px;line-height:1.7}.work-summary span:last-child{color:var(--blue)}@media(max-width:650px){.about-intro{grid-template-columns:1fr;gap:20px;padding-bottom:15px}.about-section{margin-top:28px}}

.combined-heading{font-family:var(--portfolio-font);font-size:25px;font-weight:500;letter-spacing:-.5px;margin:0 0 28px}.toolkit-heading{margin-top:65px}@media(max-width:650px){.combined-heading{font-size:22px}.toolkit-heading{margin-top:45px}}

/* Restrained light identity */
:root{color-scheme:light;--bg:#f8f9f6;--text:#253340;--muted:#65727b;--line:#d9dfe1;--blue:#486b82}
body{background:var(--bg)}header{height:88px;border-bottom:1px solid var(--line)}nav a.active,.language .active{color:var(--text)}
.hero{grid-template-columns:1.3fr 1fr;min-height:530px;padding:60px 0}.hero h1{font-size:48px;font-weight:500;letter-spacing:-1.8px;margin-bottom:15px}.hero-role{font-size:22px;line-height:1.6;margin-bottom:25px}.hero .eyebrow{display:none}.hero p{font-size:16px;max-width:440px}.hero-name{margin-top:24px}.globe-wrap{max-width:360px}.globe-caption{font-size:9px;color:var(--muted)}.globe-controls{bottom:-30px}.text-link{color:var(--text);border-color:var(--line)}
.page-head h1{font-size:36px;font-weight:500;letter-spacing:-1px}.page-head .eyebrow{display:none}.page-head p{font-size:15px}.page{padding:55px 0 75px}.project-row h2{font-size:23px;font-weight:500}.project-row .map{background:#eff2f2}.workflow-cover{background:#edf1f1;color:var(--text)}.workflow-top,.workflow-bottom{color:var(--muted)}.workflow-node{border-color:#bbc8cf;color:var(--text)}.workflow-node small,.workflow-nodes b{color:var(--muted)}.project-info{color:var(--muted)}.project-context{color:var(--muted)}.detail .step h2{font-size:21px}.detail .map{height:240px}.about-intro h2{font-size:25px}.research-row h2{font-size:22px}pre{background:#eef1f2;color:var(--text)}
@media(max-width:650px){header{height:auto;min-height:75px}nav{background:var(--bg)}.hero{min-height:0;padding:45px 0}.hero h1{font-size:40px}.hero-role{font-size:20px}.globe-wrap{max-width:290px;margin:30px auto 65px}.page-head h1{font-size:30px}}

.globe-wrap{max-width:415px}.seoul-marker{position:absolute;inset:0;width:100%;height:100%;z-index:2;pointer-events:none;overflow:visible}.seoul-leader{stroke:#486b82;stroke-width:2}.seoul-dot{fill:#486b82;stroke:#f8f9f6;stroke-width:2}.seoul-halo{fill:#f8f9f6;fill-opacity:.85;stroke:#486b82;stroke-width:1.5}.seoul-marker text{font-family:var(--portfolio-font);fill:var(--text)}.seoul-city{font-size:29px;font-weight:500}.seoul-coordinate{font-size:23px;fill:var(--muted)!important}.globe-controls{z-index:3}@media(max-width:650px){.globe-wrap{max-width:335px}}

/* Final navy identity */
:root{color-scheme:dark;--bg:#111f30;--text:#e8edf2;--muted:#a9b7c5;--line:#304255;--blue:#afc9db;--portfolio-font:'IBM Plex Sans','Noto Sans KR',sans-serif}body{background:var(--bg);color:var(--text)}.project-row .map,.workflow-cover{background:#192b3d;color:var(--text)}.workflow-node{border-color:#61788d}.workflow-top,.workflow-bottom,.workflow-node small,.workflow-nodes b{color:var(--muted)}pre{background:#192b3d;color:var(--text)}.seoul-leader{stroke:var(--blue)}.seoul-dot{fill:var(--blue);stroke:var(--bg)}.seoul-halo{fill:var(--bg);stroke:var(--blue)}.logo span{color:var(--blue)}

#globe{background:transparent;clip-path:circle(42.5% at 50% 50%)}.contact-email span:last-child{color:var(--blue);overflow-wrap:anywhere}.contact-email:hover{text-decoration:underline}@media(max-width:650px){.contact-email{flex-wrap:wrap;gap:10px}.contact-email span:last-child{font-size:14px}}

.globe-wrap{max-width:520px}.hero{grid-template-columns:1.1fr 1.2fr}.globe-controls button{min-width:36px;min-height:36px}@media(max-width:650px){.globe-wrap{max-width:400px;width:100%;margin:25px auto 65px}}

/* Keep instructions and controls outside the zooming viewport. */
.globe-wrap{aspect-ratio:auto}.globe-stage{position:relative;width:100%;aspect-ratio:1;overflow:hidden}#globe{position:absolute;inset:0;width:100%;height:100%}.globe-caption{position:relative;inset:auto;z-index:4;margin-top:16px;line-height:1.6;text-align:center}.globe-controls{position:relative;inset:auto;z-index:4;display:flex;width:100%;justify-content:center;gap:16px;margin-top:9px}

.seoul-label{position:relative;display:flex;flex-wrap:wrap;align-items:baseline;justify-content:flex-end;gap:8px 12px;min-height:40px;margin-bottom:8px;padding-right:5px}.seoul-label strong{font-size:14px;font-weight:500}.seoul-label span{font-size:12px;color:var(--muted)}.globe-stage{overflow:hidden}#globe{clip-path:circle(42.5% at 50% 50%)}

/* Sphere silhouette comes from 3D mesh geometry, never a circular mask. */
#globe{clip-path:none!important;border-radius:0;transform:none}.globe-stage{overflow:hidden}.seoul-label{position:relative}

.globe-wrap{position:relative}.seoul-marker{position:absolute;inset:0;width:100%;height:100%;overflow:visible;z-index:3;pointer-events:none}.seoul-label{position:relative;z-index:4}.seoul-leader{stroke-width:1}.seoul-dot{stroke-width:1}.seoul-halo{stroke-width:1}

.globe-loading{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:13px;color:var(--muted)}.globe-loading[hidden]{display:none}.seoul-marker{visibility:hidden}