@layer base{:root{--paper:#fff;--surface:#fff;--ink:#121d2f;--muted:#516078;--teal:#155eef;--accent:#155eef;--line:#dce3ee;--soft:#f2f6fc;--mono:ui-monospace,SFMono-Regular,Consolas,monospace;color:var(--ink);background:var(--paper);font-synthesis:none;scroll-behavior:smooth;font-family:Helvetica Neue,Apple SD Gothic Neo,Noto Sans KR,sans-serif}*{box-sizing:border-box}body{margin:0}a{color:inherit;text-decoration:none}p,h1,h2,h3{margin:0}ul,ol{margin:0;padding:0}img{max-width:100%;height:auto}p{word-break:keep-all;overflow-wrap:anywhere}h1,h2,h3{text-wrap:balance}a,button{touch-action:manipulation;-webkit-tap-highlight-color:#155eef20}::selection{color:var(--ink);background:#dce8ff}:focus-visible{outline:3px solid var(--accent);outline-offset:5px}section,main{scroll-margin-top:28px}.page-frame{max-width:1320px;margin:auto;padding:0 52px}.skip-link{z-index:10;background:var(--teal);color:#fff;border-radius:3px;padding:14px 20px;position:fixed;top:12px;left:12px;transform:translateY(-180%)}.skip-link:focus{transform:none}.mono{font-family:var(--mono);font-size:.72rem}.eyebrow,.section-index{color:var(--muted);font-size:.8rem;font-weight:600}.section-index{margin-bottom:12px}.text-link{min-height:44px;color:var(--ink);align-items:center;gap:14px;font-size:.9rem;font-weight:600;display:inline-flex}.text-link:hover{color:var(--teal);text-underline-offset:5px;text-decoration:underline}.pill{color:var(--muted);font-size:.72rem;font-weight:500;line-height:1.4;display:inline-flex}.accent-dot{color:var(--accent)}@media (prefers-reduced-motion:reduce){:root{scroll-behavior:auto}*{transition:none!important}}}@layer components{.site-header{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:24px;min-height:88px;display:flex}.wordmark{letter-spacing:-.05em;align-items:center;min-height:44px;font-size:1.45rem;font-weight:750;display:flex}.wordmark-dot{color:var(--accent)}.site-header nav{gap:32px;font-size:.85rem;font-weight:500;display:flex}.site-header nav a{align-items:center;min-height:44px;display:inline-flex}.site-header nav a:hover,.site-header nav a[aria-current]{color:var(--teal)}.hero{padding:64px 0 58px}.hero-name{font-size:1rem;font-weight:600;line-height:1.6}.hero-name>span:first-child{color:var(--muted);margin:0 7px}.hero h1{letter-spacing:-.06em;word-break:keep-all;max-width:100%;margin:26px 0 36px;font-size:clamp(3.4rem,6.6vw,5.4rem);font-weight:650;line-height:1.13}.hero h1>span{display:block}.hero-bottom{grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:48px;display:grid}.hero-description{max-width:610px}.role{margin-bottom:12px;font-size:.86rem;font-weight:600;line-height:1.7}.introduction{color:var(--muted);font-size:1.06rem;line-height:1.8}.career-focus{color:var(--muted);margin-top:16px;font-size:.78rem;line-height:1.7}.hero-actions{flex-direction:column;align-items:flex-start;gap:7px;display:flex}.button{background:var(--teal);color:#fff;border-radius:3px;justify-content:center;align-items:center;min-height:50px;padding:14px 21px;font-size:.88rem;font-weight:600;display:inline-flex}.button:hover{background:#104ac3}.practice-strip{background:var(--soft);border-left:3px solid var(--teal);grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;padding:24px 28px;display:grid}.practice-strip p{font-size:.9rem;font-weight:550;line-height:1.6}.section-top{justify-content:space-between;align-items:start;gap:24px;margin-bottom:34px;display:flex}.section-top h2{letter-spacing:-.05em;font-size:2.35rem;font-weight:600;line-height:1.3}.section-description{color:var(--muted);font-size:.86rem;line-height:1.85}.experience,.projects,.selected-writeups{padding:78px 0}.experience{grid-template-columns:minmax(0,.55fr) minmax(0,1.45fr);gap:72px;display:grid}.experience .section-top{margin:0;display:block}.experience .section-description{margin-top:20px}.experience-list{list-style:none}.experience-list li{border-bottom:1px solid var(--line);grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:32px;padding:23px 0;display:grid}.experience-list li:first-child{padding-top:4px}.experience-list h3{letter-spacing:-.025em;font-size:1.03rem;font-weight:600;line-height:1.7}.experience-list p{color:var(--muted);font-size:.92rem;line-height:1.9}.projects{border-top:1px solid var(--line)}.project-list{list-style:none}.project-list li{border-top:1px solid var(--line);grid-template-columns:48px minmax(0,1fr);gap:24px;padding:33px 0;display:grid}.project-number{color:var(--teal);font-variant-numeric:tabular-nums;padding-top:4px;font-size:.83rem}.project-copy{grid-template-columns:minmax(0,1fr) 270px;align-items:start;gap:14px 32px;min-width:0;display:grid}.project-list h3{letter-spacing:-.035em;word-break:keep-all;overflow-wrap:anywhere;font-size:1.3rem;font-weight:600;line-height:1.55}.project-period{text-align:right;color:var(--muted);font-variant-numeric:tabular-nums;font-size:.8rem;line-height:1.8}.project-summary{max-width:79ch;color:var(--muted);grid-column:1/-1;font-size:.93rem;line-height:1.95}.automation{background:var(--soft);border-radius:12px;margin:0 0 10px;padding:48px}.automation-heading{justify-content:space-between;align-items:start;gap:24px;margin-bottom:30px;display:flex}.automation h2{letter-spacing:-.05em;font-size:2.5rem;font-weight:600;line-height:1.3}.validation-label{color:var(--teal);padding-top:9px;font-size:.75rem;line-height:1.7}.automation-intro{grid-template-columns:repeat(2,minmax(0,1fr));gap:40px;margin-bottom:38px;display:grid}.automation-intro p{color:var(--muted);font-size:.95rem;line-height:1.95}.evidence-flow{counter-reset:evidence;grid-template-columns:repeat(3,minmax(0,1fr));gap:30px;list-style:none;display:grid}.evidence-flow li{border-top:2px solid var(--line);counter-increment:evidence;padding-top:18px}.evidence-flow li:before{content:counter(evidence,decimal-leading-zero);color:var(--teal);font-variant-numeric:tabular-nums;margin-bottom:14px;font-size:.8rem;display:block}.evidence-flow h3{margin-bottom:10px;font-size:1.13rem;font-weight:600}.evidence-flow p{color:var(--muted);font-size:.86rem;line-height:1.8}.validation-note{color:var(--muted);margin-top:30px;font-size:.77rem;line-height:1.85}.next-goal{border-top:1px solid var(--line);color:var(--muted);align-items:baseline;gap:17px;margin-top:22px;padding-top:22px;font-size:.84rem;line-height:1.8;display:flex}.next-goal strong{color:var(--ink);font-weight:600}.section-lead{color:var(--muted);margin:-13px 0 30px;font-size:.95rem;line-height:1.85}.writeup-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:30px;display:grid}.writeup-card{border-top:2px solid var(--line);flex-direction:column;min-width:0;padding:24px 0;display:flex}.writeup-card:hover{border-top-color:var(--teal)}.card-top{justify-content:space-between;align-items:center;gap:12px;margin-bottom:24px;display:flex}.card-index{color:var(--muted);font-variant-numeric:tabular-nums;font-size:.75rem}.writeup-card h3{letter-spacing:-.035em;overflow-wrap:anywhere;justify-content:space-between;align-items:center;gap:12px;margin-bottom:12px;font-size:1.45rem;font-weight:600;line-height:1.5;display:flex}.writeup-card h3 span{color:var(--teal);font-size:1rem}.writeup-card>p{color:var(--muted);flex:1;font-size:.9rem;line-height:1.9}.card-bottom{flex-wrap:wrap;justify-content:space-between;gap:10px;margin-top:22px;font-size:.72rem;font-weight:500;line-height:1.8;display:flex}.card-bottom>span:first-child{color:var(--muted)}.site-footer{border-top:1px solid var(--line);justify-content:space-between;align-items:center;gap:24px;padding:32px 0 40px;display:flex}.footer-brand{font-size:.95rem;font-weight:600}.site-footer p{color:var(--muted);margin-top:9px;font-size:.72rem;line-height:1.8}.archive-intro{border-bottom:1px solid var(--line);padding:65px 0 46px}.archive-intro h1{letter-spacing:-.07em;margin:24px 0;font-size:clamp(3rem,5vw,4.6rem)}.archive-intro>p:not(.eyebrow){color:var(--muted);font-size:1rem;line-height:1.9}.category-nav{flex-wrap:wrap;gap:12px;margin-top:35px;display:flex}.category-nav a{background:var(--surface);border:1px solid var(--line);border-radius:4px;gap:23px;padding:12px 16px;font-size:.78rem;display:flex}.category-nav a:hover{border-color:var(--teal)}.category-nav span{font-family:var(--mono);color:var(--accent)}.archive-group{padding:42px 0 16px}.archive-group .section-top h2{font-size:1.4rem}.archive-group .section-top>span{color:var(--muted)}.archive-note{color:var(--muted);border-left:3px solid var(--accent);background:var(--soft);margin:45px 0 50px;padding:20px 25px;font-size:.82rem;line-height:1.9}.article-header{border-bottom:1px solid var(--line);padding:40px 0 44px}.article-header>.text-link{color:var(--muted);margin-bottom:37px;font-size:.8rem}.article-header h1{letter-spacing:-.065em;margin:20px 0;font-size:clamp(2.7rem,5vw,4.4rem);line-height:1.1}.article-description{max-width:780px;color:var(--muted);font-size:1.05rem;line-height:1.85}.article-meta{color:var(--muted);flex-wrap:wrap;gap:13px 25px;margin-top:26px;font-size:.7rem;line-height:1.7;display:flex}.article-grid{grid-template-columns:215px minmax(0,1fr);gap:52px;padding:45px 0 60px;display:grid}.article-content{min-width:0;max-width:850px}.toc{scrollbar-width:thin;max-height:calc(100vh - 48px);padding-right:15px;position:sticky;top:24px;overflow-y:auto}.toc .mono{color:var(--accent);font-size:.62rem}.toc h2{margin:15px 0 20px;font-size:.94rem}.toc ol{list-style:none}.toc li{border-left:1px solid var(--line)}.toc li a{color:var(--muted);overflow-wrap:anywhere;padding:9px 0 9px 15px;font-size:.74rem;line-height:1.6;display:block}.toc li a:hover{color:var(--teal);border-left:2px solid var(--teal);padding-left:14px}.toc .toc-sub a{padding-left:26px;font-size:.69rem}.toc>.text-link{margin-top:20px;font-size:.72rem}.source-note{background:var(--soft);border:1px solid #dce3ee;border-radius:4px;margin-bottom:40px;padding:22px 25px}.source-note .mono{color:var(--teal);margin-bottom:10px;font-size:.6rem}.source-note p:not(.mono){color:#516078;font-size:.78rem;line-height:1.85}.article-sources{border-top:1px solid var(--line);margin-top:50px;padding:35px 0}.article-sources h2{margin-bottom:20px;font-size:1.5rem}.article-sources p,.article-sources li{color:var(--muted);font-size:.8rem;line-height:1.9}.article-sources ul{margin:18px 0;padding-left:20px}.article-sources a{text-underline-offset:4px;color:var(--teal);text-decoration:underline}.next-article{border:1px solid var(--line);background:var(--surface);border-radius:5px;justify-content:space-between;align-items:center;gap:20px;margin-top:20px;padding:28px;display:flex}.next-article .mono{color:var(--accent);margin-bottom:12px;font-size:.64rem}.next-article>div{min-width:0}.next-article h2{overflow-wrap:anywhere;font-size:1.45rem}.next-article>span{color:var(--accent);flex-shrink:0;font-size:2rem}.next-article:hover{border-color:var(--teal)}.not-found{min-height:60vh;padding:90px 0}.error-code{font-family:var(--mono);color:var(--accent);margin-bottom:30px;font-size:1rem}.not-found h1{letter-spacing:-.05em;margin-bottom:20px;font-size:2.2rem}.not-found p:not(.error-code){color:var(--muted);margin-bottom:20px}@media (width<=1000px){.page-frame{padding:0 32px}.hero-bottom{gap:30px}.hero h1{font-size:clamp(3.1rem,6.8vw,5.4rem)}.experience{grid-template-columns:1fr 2fr;gap:36px}.experience-list li{grid-template-columns:1fr;gap:9px}.project-copy{grid-template-columns:minmax(0,1fr) 230px;gap:13px 24px}.automation{padding:36px}.automation-heading{display:block}.validation-label{margin-top:17px;display:block}.article-grid{grid-template-columns:170px minmax(0,1fr);gap:30px}}@media (width<=720px){.page-frame{padding:0 20px}.site-header{gap:12px;min-height:74px}.wordmark{font-size:1.17rem}.site-header nav{gap:14px;font-size:.74rem}.hero{padding:42px 0 38px}.hero-name{font-size:.88rem}.hero h1{letter-spacing:-.055em;margin:22px 0 26px;font-size:clamp(2.15rem,8.5vw,3.8rem);line-height:1.17}.hero-bottom{display:block}.role{font-size:.76rem}.introduction{font-size:.94rem}.career-focus{margin-top:14px;font-size:.73rem}.hero-actions{flex-flow:wrap;align-items:center;gap:12px 21px;margin-top:23px}.button{min-height:48px;padding:13px 16px;font-size:.79rem}.hero-actions .text-link{font-size:.8rem}.practice-strip{gap:12px;padding:18px 15px}.practice-strip p{font-size:.71rem}.experience,.projects,.selected-writeups{padding:48px 0}.experience{display:block}.experience .section-top{gap:18px;margin-bottom:25px;display:flex}.experience .section-description{margin-top:0}.section-top{gap:20px;margin-bottom:26px}.section-top h2{font-size:1.8rem}.section-description{font-size:.73rem}.section-top>.text-link{font-size:.8rem}.experience-list li{padding:20px 0}.experience-list li:first-child{padding-top:10px}.experience-list h3{font-size:1rem}.experience-list p{font-size:.85rem}.project-list li{grid-template-columns:23px minmax(0,1fr);gap:12px;padding:25px 0}.project-number{font-size:.74rem}.project-copy{display:block}.project-list h3{font-size:1.07rem;line-height:1.65}.project-period{text-align:left;margin-top:9px;font-size:.72rem}.project-summary{margin-top:13px;font-size:.83rem}.automation{border-radius:8px;padding:28px 22px}.automation h2{font-size:1.95rem}.validation-label{margin-top:16px;font-size:.7rem}.automation-heading{margin-bottom:22px}.automation-intro{grid-template-columns:1fr;gap:15px;margin-bottom:27px}.automation-intro p{font-size:.86rem}.evidence-flow{grid-template-columns:1fr;gap:24px}.evidence-flow li{grid-template-columns:30px minmax(0,1fr);gap:8px 12px;padding-top:18px;display:grid}.evidence-flow li:before{grid-row:1/3;margin:0;padding-top:3px}.evidence-flow h3{margin:0;font-size:1rem}.evidence-flow p{font-size:.8rem}.evidence-flow p br{display:none}.validation-note{margin-top:26px;font-size:.71rem}.next-goal{gap:13px;font-size:.78rem}.section-lead{font-size:.87rem}.writeup-grid{grid-template-columns:1fr;gap:8px}.writeup-card{padding:23px 0}.card-top{margin-bottom:15px}.writeup-card h3{font-size:1.5rem}.writeup-card>p{font-size:.86rem}.card-bottom{margin-top:17px}.site-footer{align-items:start;gap:16px;padding:27px 0}.footer-brand{font-size:.85rem}.site-footer p{max-width:200px;font-size:.66rem}.site-footer>.text-link{white-space:nowrap;font-size:.75rem}.archive-intro{padding:42px 0 33px}.archive-intro h1{font-size:3.25rem}.archive-intro>p:not(.eyebrow){font-size:.9rem}.category-nav{gap:8px}.category-nav a{gap:14px;padding:11px 12px;font-size:.75rem}.archive-group{padding-top:34px}.archive-note{padding:18px 20px;font-size:.76rem}.article-header{padding-top:25px}.article-header>.text-link{margin-bottom:25px}.article-header h1{overflow-wrap:anywhere;font-size:2.6rem}.article-description{font-size:.92rem}.article-meta{gap:9px 18px;font-size:.68rem}.article-grid{padding-top:25px;display:block}.article-sidebar{margin-bottom:26px}.toc{background:var(--soft);border:1px solid var(--line);border-radius:4px;max-height:230px;padding:20px;position:static}.toc h2{margin:10px 0}.toc li a{padding-top:7px;padding-bottom:7px}.source-note{margin-bottom:30px;padding:19px}.source-note p:not(.mono){font-size:.74rem}.article-sources{margin-top:38px}.next-article{padding:23px}.next-article h2{font-size:1.3rem}}@media (width<=360px){.page-frame{padding:0 16px}.site-header nav{gap:10px;font-size:.7rem}.hero-actions{gap:6px 16px}.practice-strip{gap:8px;padding:16px 12px}.practice-strip p{font-size:.66rem}.section-top{flex-wrap:wrap}.automation{padding:25px 19px}}}@layer prose{.prose{overflow-wrap:anywhere;word-break:normal;font-size:.96rem;line-height:1.95}.prose p,.prose ul,.prose ol,.prose blockquote,.prose table,.prose pre{margin:20px 0}.prose p{word-break:normal}.prose h2,.prose h3,.prose h4,.prose h5,.prose h6{color:var(--ink);scroll-margin-top:25px;line-height:1.5}.prose h2{border-bottom:1px solid var(--line);letter-spacing:-.05em;margin:54px 0 25px;padding-bottom:15px;font-size:1.8rem}.prose h3{letter-spacing:-.03em;margin:38px 0 20px;font-size:1.35rem}.prose h4,.prose h5{margin:30px 0 15px;font-size:1.05rem}.prose>h2:first-child{margin-top:0}.prose ul,.prose ol{padding-left:25px}.prose li,.prose li>ul,.prose li>ol{margin:9px 0}.prose strong{font-weight:700}.prose a{color:var(--teal);text-underline-offset:4px;overflow-wrap:anywhere;text-decoration:underline}.prose a:hover{color:var(--accent)}.prose blockquote{border-left:3px solid var(--accent);color:#516078;background:#f2f6fc;padding:3px 20px}.prose blockquote p{margin:12px 0}.prose pre{font-family:var(--mono);tab-size:4;color:#edf2fa;white-space:pre;word-break:normal;overflow-wrap:normal;background:#142238;border-radius:5px;max-width:100%;padding:22px;font-size:.76rem;line-height:1.75;overflow-x:auto}.prose pre code{white-space:pre;word-break:normal;overflow-wrap:normal;color:inherit;background:0 0;padding:0;font-family:inherit}.prose :not(pre)>code{font-family:var(--mono);color:#164cbc;overflow-wrap:anywhere;background:#edf2f9;border-radius:3px;padding:3px 5px;font-size:.85em}.prose img{border:1px solid var(--line);background:#fff;border-radius:4px;max-width:100%;height:auto;margin:30px auto;display:block}.prose table{border-collapse:collapse;overflow-wrap:anywhere;table-layout:fixed;width:100%;font-size:.79rem}.prose th,.prose td{border:1px solid var(--line);text-align:left;padding:11px 13px}.prose th{background:var(--soft)}.prose hr{border:0;border-top:1px solid var(--line);margin:35px 0}.prose .token.comment,.prose .token.prolog,.prose .token.doctype{color:#a4b6cf}.prose .token.punctuation{color:#dde6f2}.prose .token.string,.prose .token.attr-value{color:#b5daac}.prose .token.keyword,.prose .token.tag,.prose .token.boolean{color:#f2bf9b}.prose .token.number,.prose .token.function,.prose .token.class-name{color:#8fd2e3}.prose .token.operator,.prose .token.attr-name{color:#e1d69c}.prose .token.variable{color:#c5cced}@media (width<=720px){.prose{font-size:.87rem;line-height:1.95}.prose h2{margin-top:38px;font-size:1.45rem}.prose h3{font-size:1.18rem}.prose pre{padding:17px;font-size:.7rem;line-height:1.8}.prose table{font-size:.69rem}.prose th,.prose td{padding:9px}.prose img{margin:24px auto}.prose blockquote{padding-left:15px}}}.prose{max-width:78ch}.prose pre{max-width:100%}.article-meta{font-variant-numeric:tabular-nums}
