@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Noto+Sans+KR:wght@400;500;600;700&display=swap');
:root{--ink:#202a32;--muted:#4b5862;--blue:#14658d;--sky:#e7f4fc;--line:#d2dce3;--pale:#f5faff}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:35px}body{margin:0;background:#f1f3f5;color:var(--ink);font-family:'DM Sans','Noto Sans KR',sans-serif;word-break:keep-all;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font:inherit}a:focus-visible,summary:focus-visible,button:focus-visible{outline:2px solid var(--blue);outline-offset:5px}a:hover,button:hover{color:var(--blue)}.layout{background:#fff;max-width:1440px;margin:auto;display:grid;grid-template-columns:285px minmax(0,1fr);min-height:100vh}.sidebar{background:#f5f7f9;position:sticky;top:0;height:100vh;max-height:1100px;padding:48px 38px 30px;border-right:1px solid var(--line);display:flex;flex-direction:column;align-self:start}.identity{display:block}.identity img{display:block;width:126px;height:158px;object-fit:cover;object-position:top;border:1px solid var(--line);margin-bottom:25px}.name{display:block;font-size:30px;font-weight:600;letter-spacing:-1.5px;line-height:1.4}.name>span{display:block;font-size:10px;letter-spacing:1.5px;font-weight:400;margin-top:5px}.role{font-size:11px;color:var(--muted);margin:18px 0 0}nav{display:grid;gap:5px;margin-top:44px}nav a{display:flex;justify-content:space-between;font-size:12px;padding:12px 13px;margin-left:-13px;margin-right:-13px;transition:background .2s}nav a>span:last-child{font-size:10px;color:var(--muted)}nav a.active{background:var(--sky);color:var(--blue)}.sidebar-bottom{margin-top:auto;padding-top:36px;display:grid;gap:22px}.sidebar-bottom>a{font-size:12px;display:flex;justify-content:space-between}.sidebar-bottom>span{font-size:9px;color:var(--muted)}main{min-width:0;padding:0 65px}.section-kicker,.section-title>span{font-size:10px;letter-spacing:.8px;color:var(--muted)}.section-kicker{display:flex;justify-content:space-between;gap:20px}.intro{padding-top:50px;padding-bottom:0}.intro h1{font-size:clamp(33px,3.4vw,49px);font-weight:500;letter-spacing:-2.7px;line-height:1.45;margin:47px 0 24px}.intro h1>span{color:var(--ink)}.intro-bottom{display:flex;justify-content:space-between;gap:30px;align-items:flex-end}.intro p{font-size:13px;line-height:1.95;color:var(--muted);margin:0}.email-short{font-size:11px;white-space:nowrap;padding-bottom:5px;border-bottom:1px solid #a4d3ed}.focus-line{display:flex;gap:25px;flex-wrap:wrap;padding:28px 0 29px;border-bottom:1px solid var(--line);margin-top:32px;font-size:10px;color:var(--muted)}.focus-line span:before{content:'+';margin-right:8px;color:var(--blue)}.work,.resume,.contact{padding-top:56px}.section-title{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.section-title h2{font-size:20px;font-weight:600;letter-spacing:-.7px;margin:0}.section-title h2>span{font-size:10px;letter-spacing:0;color:var(--blue);display:inline-block;margin-right:17px;vertical-align:middle;font-weight:400}.project{border-top:1px solid var(--line)}.project:last-child{border-bottom:1px solid var(--line)}summary{cursor:pointer;list-style:none}summary::-webkit-details-marker{display:none}.project>summary{display:grid;grid-template-columns:30px 1fr 40px 22px;gap:15px;align-items:center;padding:27px 0}.project-number,.project-year{font-size:10px;color:var(--muted);align-self:start;padding-top:3px}.project-kind{font-size:10px;color:var(--blue);display:block;line-height:1.7}.project-title h3{font-size:36px;line-height:1.2;letter-spacing:-1.5px;font-weight:500;margin:8px 0 10px}.subtitle{font-size:12px;color:var(--muted)}.toggle{font-size:23px;font-weight:400;width:23px;display:block;text-align:center;line-height:1;transition:transform .2s}.project[open]>summary .toggle{transform:rotate(45deg)}.project-body{padding:0 0 28px 45px}.project-overview{display:grid;grid-template-columns:1fr 180px;gap:35px;align-items:start}.project-description{font-size:13px;color:var(--muted);line-height:1.9;margin:5px 0 24px;max-width:580px}.facts{font-size:11px;margin:0;display:grid;gap:14px}.facts>div{display:grid;grid-template-columns:38px 1fr;gap:10px}.facts dt{color:var(--muted)}.facts dd{margin:0;line-height:1.7}.app-image{margin:0;background:var(--pale);padding:13px}.app-image img{width:100%;height:180px;object-fit:contain;display:block;mix-blend-mode:multiply}figcaption{font-size:9px;color:var(--muted);line-height:1.7;margin-top:10px}.contributions{margin-top:24px;display:grid;grid-template-columns:65px 1fr;gap:15px}.contributions h4{font-size:11px;font-weight:500;margin:3px 0}.contributions ul{padding:0 0 0 14px;margin:0;font-size:11px;line-height:2.1;color:var(--muted)}li::marker{color:#8ec9e9}.evidence{margin-top:24px}.evidence>summary{font-size:11px;color:var(--blue);display:inline-flex;gap:15px;border-bottom:1px solid #a4d3ed;padding-bottom:6px}.evidence figure{margin:20px 0 0;max-width:500px}.evidence img,.award-image img{width:100%;height:auto;display:block}.award-image{margin:25px 0 0;max-width:500px}.resume{padding-top:60px}.resume-group{display:grid;grid-template-columns:95px 1fr;gap:20px;border-top:1px solid var(--line);padding:23px 0 15px}.resume-group>h3{font-size:12px;font-weight:500;margin:2px 0}.resume-row{display:flex;justify-content:space-between;gap:20px;margin-bottom:23px}.resume-row h4{font-size:12px;font-weight:500;margin:0 0 7px;line-height:1.7}.resume-row p{font-size:11px;color:var(--muted);line-height:1.8;margin:0}.resume-row>span{font-size:10px;color:var(--muted);white-space:nowrap;padding-top:4px}.certificates{list-style:none;padding:0;margin:0 0 12px;display:grid;grid-template-columns:1fr 1fr;gap:17px;font-size:11px}.contact{margin-top:28px;padding:30px 28px;background:var(--sky)}.contact .section-title{margin-bottom:23px}.email{font-size:clamp(21px,2.7vw,35px);letter-spacing:-1px;display:flex;justify-content:space-between;gap:15px}.email span{font-size:29px}.contact-actions{display:flex;align-items:center;gap:22px;flex-wrap:wrap;margin-top:21px;min-height:25px;font-size:11px}.contact-actions button{padding:0;background:none;border:0;color:var(--ink);border-bottom:1px solid #9bc7df;cursor:pointer}.contact-actions>span{color:var(--muted);font-size:10px}footer{display:flex;justify-content:space-between;gap:20px;padding:27px 0 32px;font-size:9px;color:var(--muted)}.skip{position:absolute;top:-100px;left:20px;background:#fff;padding:15px;z-index:10}.skip:focus{top:10px}
@media(min-width:1441px){.layout{border-left:1px solid var(--line);border-right:1px solid var(--line)}}
@media(max-width:1100px){.layout{grid-template-columns:230px minmax(0,1fr)}.sidebar{padding-left:28px;padding-right:28px}main{padding:0 38px}.intro-bottom{display:block}.email-short{display:inline-block;margin-top:20px}.project-overview{grid-template-columns:1fr 145px;gap:20px}.app-image img{height:160px}.focus-line{gap:16px}.resume-group{grid-template-columns:80px 1fr;gap:15px}.resume-row{display:block}.resume-row>span{display:block;margin-top:7px}}
@media(max-width:760px){html{scroll-padding-top:20px}.layout{display:block}.sidebar{position:static;height:auto;max-height:none;padding:28px 24px 0;border-right:0;border-bottom:1px solid var(--line)}.identity{display:flex;gap:23px;align-items:center}.identity img{width:83px;height:106px;margin:0}.name{font-size:28px}.name>span{font-size:9px}.role{margin:13px 0 0 106px;font-size:10px}.sidebar nav{display:flex;justify-content:space-between;gap:12px;margin-top:28px}.sidebar nav a{margin:0;padding:13px 4px;gap:10px;border-bottom:2px solid transparent;font-size:11px}.sidebar nav a.active{background:none;border-bottom-color:#77bfeb}.sidebar nav a>span:last-child{font-size:8px}.sidebar-bottom{display:none}main{padding:0 24px}.intro{padding-top:28px}.section-kicker{font-size:8px}.intro h1{font-size:clamp(27px,5.8vw,40px);letter-spacing:-1.6px;margin:28px 0 21px}.intro p{font-size:12px;line-height:1.9}.desktop{display:none}.email-short{font-size:10px;margin-top:18px}.focus-line{gap:10px 16px;font-size:9px;padding:20px 0;margin-top:22px}.focus-line span:before{margin-right:5px}.work,.resume{padding-top:37px}.section-title{margin-bottom:20px}.section-title h2{font-size:19px}.section-title>span{font-size:9px}.project>summary{grid-template-columns:20px 1fr 18px;gap:10px;padding:23px 0}.project-year{display:none}.project-title h3{font-size:30px}.project-kind{font-size:9px}.subtitle{font-size:10px;line-height:1.8;display:block}.project-body{padding-left:30px}.project-overview{grid-template-columns:1fr;gap:22px}.project-description{font-size:12px}.app-image{max-width:100%;display:flex;align-items:center;gap:15px;padding:16px}.app-image img{width:115px;height:155px;flex-shrink:0}.app-image figcaption{font-size:9px;max-width:90px;margin:0}.facts{font-size:10px}.contributions{display:block;margin-top:22px}.contributions h4{margin-bottom:10px}.contributions ul{font-size:11px}.resume-group{grid-template-columns:1fr;gap:20px;padding-top:20px}.resume-group>h3{color:var(--blue);font-size:11px}.resume-row{margin-bottom:21px}.resume-row h4{font-size:12px}.certificates{font-size:11px;gap:17px 12px}.contact{padding:25px 20px;margin-top:18px}.email{font-size:clamp(17px,4.6vw,27px);letter-spacing:-.5px}.email span{font-size:22px}.contact-actions{gap:19px;font-size:10px}footer{font-size:8px}.toggle{font-size:21px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}


.intro{padding-bottom:30px;border-bottom:1px solid var(--line)}.contact-details{display:flex;align-items:center;flex-wrap:wrap;gap:12px;font-size:clamp(18px,2vw,25px);letter-spacing:-.5px}.contact-divider{color:var(--muted)}
@media(max-width:760px){.contact-details{font-size:18px;gap:10px}.contact-divider{font-size:16px}}

/* Readable type and stronger contrast across screen sizes. */
body{font-size:16px}
.intro p,.project-description{font-size:16px;line-height:1.85;color:var(--ink)}
.name>span,.section-kicker,.section-title>span,.project-number,.project-year,.project-kind,.resume-row>span,figcaption,.sidebar-bottom>span,footer{font-size:12px}
nav a,.sidebar nav a{font-size:14px}nav a>span:last-child,.sidebar nav a>span:last-child{font-size:12px}
.email-short,.evidence>summary,.contact-actions,.contact-actions>span{font-size:13px}
.section-title h2{font-size:23px}.section-title h2>span{font-size:13px}
.subtitle{font-size:14px}.facts{font-size:14px}.facts dt{color:var(--muted)}
.contributions{grid-template-columns:80px 1fr}.contributions h4,.resume-group>h3{font-size:14px;font-weight:600}
.contributions ul,.resume-row p,.certificates{font-size:15px;line-height:1.85;color:var(--ink)}
.resume-row h4{font-size:16px;font-weight:600}.resume-row>span{font-size:13px}
.app-image figcaption{font-size:12px;max-width:none}
@media(max-width:1100px){.project-overview{grid-template-columns:1fr}.app-image{max-width:240px}.resume-group{grid-template-columns:85px 1fr}}
@media(max-width:760px){
main{padding:0 22px}.sidebar{padding-left:22px;padding-right:22px}
.section-kicker{font-size:11px;letter-spacing:0}.section-title>span{font-size:12px}
.intro p,.project-description{font-size:15px}.intro h1{font-size:clamp(27px,6vw,40px)}
.project-body{padding-left:0}.project-kind{font-size:12px}.subtitle{font-size:14px}
.project>summary{grid-template-columns:20px minmax(0,1fr) 18px}.project-title h3{font-size:30px}
.facts{font-size:13px}.contributions{display:block}.contributions ul,.certificates,.resume-row p{font-size:15px}
.resume-group{grid-template-columns:1fr}.resume-group>h3{font-size:14px}.resume-row h4{font-size:16px}
.app-image{max-width:100%}.app-image figcaption{font-size:12px;max-width:130px}
.sidebar nav{gap:8px}.sidebar nav a{gap:6px;font-size:14px}.sidebar nav a>span:last-child{font-size:11px}
footer{font-size:12px;line-height:1.7}.contact-actions{font-size:13px}
}

/* Resume categories share one row for quick scanning. */
.resume-columns{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:26px}
.resume-columns .resume-group{display:block;padding:21px 0 0;border-top:3px solid #b7dff4;min-width:0}
.resume-columns .resume-group>h3{font-size:17px;color:var(--ink);margin:0 0 25px}
.resume-columns .resume-row{display:block;margin-bottom:23px}
.resume-columns .resume-row h4{font-size:15px;line-height:1.65;margin-bottom:7px}
.resume-columns .resume-row p{font-size:14px;line-height:1.7}
.resume-columns .resume-row>span{display:block;font-size:12px;white-space:normal;margin-top:8px;line-height:1.7;padding:0}
.resume-columns .certificates{display:grid;grid-template-columns:1fr;gap:17px;font-size:14px;line-height:1.7}
@media(max-width:1000px) and (min-width:761px){.resume-columns{gap:18px}main{padding-left:25px;padding-right:25px}.resume-columns .resume-row h4{font-size:14px}.resume-columns .resume-row p,.resume-columns .certificates{font-size:13px}}
@media(max-width:760px){.resume-columns{grid-template-columns:1fr;gap:25px}.resume-columns .resume-group{padding-top:18px}.resume-columns .resume-group>h3{margin-bottom:20px}.resume-columns .resume-items{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.resume-columns .resume-row{margin:0}.resume-columns .certificates{grid-template-columns:repeat(2,minmax(0,1fr));gap:15px 20px}}