:root{--blue:#3182f6;--blue-dark:#1b64da;--blue-bg:#e8f2ff;--green:#00c896;--text:#191f28;--text-2:#4e5968;--text-3:#8b95a1;--text-4:#b0b8c1;--bg:#fff;--bg-soft:#f9fafb;--bg-gray:#f2f4f6;--surface:#fff;--border:#e5e8eb;--border-soft:#f1f3f5;--shadow-sm:0 1px 3px rgba(0,25,54,.06);--shadow-md:0 6px 24px rgba(0,25,54,.08);--shadow-lg:0 18px 50px -12px rgba(0,25,54,.18);--accent:var(--blue);--accent-dark:var(--blue-dark);--accent-bg:var(--blue-bg);--nav-bg:hsla(0,0%,100%,.72);--maxw:1080px}[data-theme=dark]{--blue:#4d94ff;--blue-dark:#6aa8ff;--blue-bg:#16243d;--text:#f2f4f6;--text-2:#c4cad2;--text-3:#8b95a1;--text-4:#5c6571;--bg:#0e1116;--bg-soft:#141821;--bg-gray:#1a1f29;--surface:#161b24;--border:#262c38;--border-soft:#20262f;--shadow-sm:0 1px 3px rgba(0,0,0,.4);--shadow-md:0 6px 24px rgba(0,0,0,.45);--shadow-lg:0 18px 50px -12px rgba(0,0,0,.6);--accent:var(--blue);--accent-dark:var(--blue-dark);--accent-bg:var(--blue-bg);--nav-bg:rgba(14,17,22,.72)}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;scroll-padding-top:90px}body{font-family:Pretendard Variable,Pretendard,-apple-system,BlinkMacSystemFont,Apple SD Gothic Neo,system-ui,sans-serif;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;word-break:keep-all;line-height:1.5}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}::-moz-selection{background:var(--accent-bg);color:var(--accent-dark)}::selection{background:var(--accent-bg);color:var(--accent-dark)}.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}.nav{position:fixed;top:0;left:0;right:0;z-index:100;height:68px;display:flex;align-items:center;background:var(--nav-bg);backdrop-filter:saturate(180%) blur(18px);-webkit-backdrop-filter:saturate(180%) blur(18px);border-bottom:1px solid transparent;transition:border-color .3s}.nav.scrolled{border-bottom-color:var(--border)}.nav .container{justify-content:space-between;width:100%}.nav .container,.nav-brand{display:flex;align-items:center}.nav-brand{font-size:18px;font-weight:800;letter-spacing:-.02em;gap:9px}.nav-brand .dot{width:9px;height:9px;border-radius:99px;background:var(--accent);flex:none}.nav-links{display:flex;align-items:center;gap:4px}.nav-links a{font-size:14.5px;font-weight:600;color:var(--text-2);padding:9px 14px;border-radius:10px;transition:color .2s,background .2s}.nav-links a:hover{color:var(--text);background:var(--bg-gray)}.nav-actions{display:flex;align-items:center;gap:10px}.icon-toggle{width:40px;height:40px;border:1px solid var(--border);border-radius:11px;background:var(--surface);cursor:pointer;color:var(--text-2);display:grid;place-items:center;transition:all .2s}.icon-toggle:hover{color:var(--text);border-color:var(--text-4)}.nav-hamburger{display:none;width:40px;height:40px;border:1px solid var(--border);border-radius:11px;background:var(--surface);cursor:pointer;color:var(--text-2);place-items:center;transition:color .2s,border-color .2s}.nav-hamburger:hover{color:var(--text);border-color:var(--text-4)}.nav-mobile{position:absolute;top:100%;left:0;right:0;background:var(--nav-bg);backdrop-filter:saturate(180%) blur(18px);-webkit-backdrop-filter:saturate(180%) blur(18px);border-bottom:1px solid var(--border);display:none;flex-direction:column;padding:8px 0 16px}.nav-mobile.open{display:flex;animation:navMobileIn .22s cubic-bezier(.16,.84,.44,1) both}@keyframes navMobileIn{0%{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}.nav-mobile a{padding:15px 24px;font-size:16px;font-weight:600;color:var(--text-2);transition:color .15s,background .15s}.nav-mobile a:hover{color:var(--text);background:var(--bg-gray)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:50px;padding:0 22px;border:none;border-radius:14px;font-size:15.5px;font-weight:700;cursor:pointer;font-family:inherit;transition:transform .12s,background .2s,box-shadow .2s;white-space:nowrap}.btn:active{transform:scale(.97)}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-dark);box-shadow:0 8px 20px -6px var(--accent)}.btn-weak{background:var(--bg-gray);color:var(--text)}.btn-weak:hover{background:var(--border)}.btn-ghost{background:transparent;color:var(--text-2);border:1px solid var(--border)}.btn-ghost:hover{color:var(--text);border-color:var(--text-4)}.btn-sm{height:42px;padding:0 16px;font-size:14px;border-radius:12px}section{position:relative}.sec-pad{padding:96px 0}.sec-pad-sm{padding:64px 0}.eyebrow{font-size:13px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--accent);margin-bottom:14px}.sec-title{font-size:38px;font-weight:800;letter-spacing:-.03em;line-height:1.25}.sec-sub{font-size:17px;color:var(--text-2);margin-top:14px;line-height:1.6;max-width:620px}.hero{padding-top:150px;padding-bottom:80px}.hero-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:56px;align-items:center}.hero-badge{display:inline-flex;align-items:center;gap:8px;background:var(--accent-bg);color:var(--accent-dark);font-size:13.5px;font-weight:700;padding:8px 14px;border-radius:99px;margin-bottom:24px;white-space:nowrap}.hero-badge .dot{width:7px;height:7px;border-radius:99px;background:var(--green);flex:none}.hero h1{font-size:56px;font-weight:800;letter-spacing:-.04em;line-height:1.18}.hero h1 .accent{color:var(--accent)}.hero-role{font-size:19px;font-weight:600;color:var(--text-2);margin-top:18px}.hero-intro{font-size:16.5px;color:var(--text-2);line-height:1.7;margin-top:22px;max-width:540px}.hero-cta{display:flex;gap:12px;margin-top:36px;flex-wrap:wrap}.hero-photo{position:relative;aspect-ratio:4/5;border-radius:28px;overflow:hidden;background:var(--bg-gray);box-shadow:var(--shadow-lg)}.hero-photo img{width:100%;height:100%;-o-object-fit:cover;object-fit:cover}.chips{display:flex;flex-wrap:wrap;gap:8px}.chip{font-size:13.5px;font-weight:600;color:var(--text-2);background:var(--bg-gray);padding:8px 13px;border-radius:9px;line-height:1;white-space:nowrap}.chip.accent{background:var(--accent-bg);color:var(--accent-dark)}.proj-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:36px}.filter{display:inline-flex;background:var(--bg-gray);border-radius:13px;padding:5px;gap:2px}.filter button{border:none;background:transparent;cursor:pointer;font-family:inherit;height:40px;padding:0 20px;border-radius:9px;font-size:14.5px;font-weight:700;color:var(--text-3);transition:all .2s}.filter button.on{background:var(--surface);color:var(--text);box-shadow:var(--shadow-sm)}.proj-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}.proj-card{background:var(--surface);border:1px solid var(--border);border-radius:22px;overflow:hidden;cursor:pointer;text-align:left;font-family:inherit;display:flex;flex-direction:column;transition:transform .25s cubic-bezier(.16,.84,.44,1),box-shadow .25s,border-color .25s}.proj-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:transparent}.proj-thumb{aspect-ratio:16/10;background:var(--bg-gray);overflow:hidden}.proj-thumb img{width:100%;height:100%;-o-object-fit:cover;object-fit:cover;transition:transform .4s}.proj-card:hover .proj-thumb img{transform:scale(1.04)}.proj-body{padding:24px 26px 26px;display:flex;flex-direction:column;flex:1}.proj-meta{display:flex;align-items:center;gap:10px;margin-bottom:12px}.proj-tag{font-size:12px;font-weight:700;padding:5px 10px;border-radius:7px;background:var(--bg-gray);color:var(--text-2)}.proj-tag.team{background:var(--accent-bg);color:var(--accent-dark)}.proj-year{font-size:13px;color:var(--text-4);font-weight:600}.proj-title{font-size:22px;font-weight:800;letter-spacing:-.025em;line-height:1.3;color:var(--text)}.proj-subtitle{font-size:14px;color:var(--text-3);font-weight:600;margin-top:3px}.proj-summary{font-size:15px;color:var(--text-2);line-height:1.6;margin-top:12px;flex:1}.proj-stats{display:flex;gap:22px;margin-top:22px;padding-top:20px;border-top:1px solid var(--border-soft)}.proj-stat .sv{font-size:20px;font-weight:800;letter-spacing:-.03em;color:var(--text)}.proj-stat:first-child .sv{color:var(--accent)}.proj-stat .sl{font-size:12.5px;color:var(--text-3);font-weight:600;margin-top:4px}.proj-more{display:inline-flex;align-items:center;gap:6px;color:var(--accent);font-size:14.5px;font-weight:700;margin-top:22px}.detail{position:fixed;inset:0;z-index:200;background:var(--bg);overflow-y:auto;display:none}.detail.open{display:block}@media (prefers-reduced-motion:no-preference){html.reveal-ready .detail.open{animation:detailFade .3s ease both}}@keyframes detailFade{0%{opacity:0}to{opacity:1}}.detail-bar{position:sticky;top:0;z-index:10;height:68px;display:flex;align-items:center;justify-content:space-between;background:var(--nav-bg);-webkit-backdrop-filter:saturate(180%) blur(18px);backdrop-filter:saturate(180%) blur(18px);border-bottom:1px solid var(--border);padding:0 24px}.detail-bar .dt-title{font-size:16px;font-weight:700;opacity:0;transition:opacity .25s}.detail-bar.scrolled .dt-title{opacity:1}.detail-close{width:36px;height:36px;border-radius:50%;border:none;background:transparent;cursor:pointer;color:var(--text-3);display:grid;place-items:center;transition:all .2s}.detail-close:hover{background:var(--bg-gray);color:var(--text)}.detail-inner{max-width:860px;margin:0 auto;padding:56px 24px 100px}.dt-hero-meta{display:flex;align-items:center;gap:12px;margin-bottom:22px}.dt-avatar{width:44px;height:44px;border-radius:13px;display:grid;place-items:center;font-weight:800;font-size:17px;background:var(--bg-gray);color:var(--text-2);flex:none}.dt-avatar.team{background:var(--accent-bg);color:var(--accent-dark)}.dt-title-lg{font-size:44px;font-weight:800;letter-spacing:-.035em;line-height:1.2}.dt-subtitle{font-size:16px;color:var(--accent);font-weight:700;margin-bottom:8px}.dt-summary{font-size:18px;color:var(--text-2);line-height:1.7;margin-top:20px}.dt-hero-img{margin-top:36px;border-radius:20px;overflow:hidden;background:var(--bg-gray);border:1px solid var(--border-soft)}.dt-hero-img img{width:100%;display:block}.dt-cap{font-size:13px;color:var(--text-3);text-align:center;margin-top:12px}.dt-section{margin-top:64px}.dt-sec-head{margin-bottom:28px}.dt-sec-eyebrow{font-size:12.5px;font-weight:800;letter-spacing:.07em;color:var(--accent);margin-bottom:8px}.dt-sec-title{font-size:27px;font-weight:800;letter-spacing:-.03em}.dt-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.dt-metric{background:var(--bg-soft);border:1px solid var(--border-soft);border-radius:18px;padding:26px 24px}.dt-metric .mv{font-size:32px;font-weight:800;letter-spacing:-.04em;line-height:1}.dt-metric:first-child .mv{color:var(--accent)}.dt-metric .mfrom{font-size:13px;color:var(--text-4);text-decoration:line-through;font-weight:600;margin-top:10px}.dt-metric .ml{font-size:14px;color:var(--text-2);font-weight:600;margin-top:8px}.dt-intent{display:flex;flex-direction:column;gap:18px}.dt-intent-row{display:flex;gap:16px}.dt-intent-num{flex:none;width:28px;height:28px;border-radius:99px;background:var(--accent-bg);color:var(--accent-dark);font-size:14px;font-weight:800;display:grid;place-items:center;margin-top:2px}.dt-intent-row p{font-size:16.5px;line-height:1.6;color:var(--text-2)}.dt-tech{display:flex;flex-direction:column;gap:16px}.dt-tech-card{border:1px solid var(--border);border-radius:20px;padding:28px 30px;background:var(--surface)}.dt-tech-top{display:flex;gap:14px;align-items:flex-start}.dt-tech-num{flex:none;font-size:14px;font-weight:800;color:var(--accent);font-family:ui-monospace,monospace;margin-top:4px}.dt-tech-title{font-size:19px;font-weight:800;letter-spacing:-.02em;line-height:1.4}.dt-tech-desc{font-size:15px;color:var(--text-2);line-height:1.65;margin-top:14px;padding-left:28px}.dt-tech-points{margin-top:16px;padding-left:28px;display:flex;flex-direction:column;gap:11px}.dt-point{display:flex;gap:10px}.dt-point svg{flex:none;margin-top:2px;color:var(--accent)}.dt-point span{font-size:14.5px;line-height:1.55;color:var(--text-2)}.dt-arch{background:var(--bg-soft);border:1px solid var(--border-soft);border-radius:20px;padding:28px}.dt-result{display:flex;flex-direction:column;gap:16px}.dt-result-row{display:flex;gap:14px;align-items:flex-start}.dt-result-row svg{flex:none;margin-top:2px;color:var(--green)}.dt-result-row p{font-size:16.5px;line-height:1.6;color:var(--text);font-weight:500}#about{background:var(--bg-soft)}.about-bio{max-width:100%}.about-col-label{font-size:11px;font-weight:800;color:var(--text-4);letter-spacing:.08em;text-transform:uppercase;margin-bottom:20px}.about-skills{display:flex;flex-direction:column;gap:14px}.skill-group-row{display:flex;align-items:center;gap:16px;flex-wrap:wrap}.skill-group-row .sg-label{font-size:11px;font-weight:800;color:var(--text-4);letter-spacing:.08em;text-transform:uppercase;white-space:nowrap;min-width:80px}.info-list{display:flex;flex-direction:column;gap:0}.info-row{display:flex;align-items:center;gap:10px;padding:10px 0}.info-row .ik{font-size:12.5px;color:var(--text-4);font-weight:600;font-family:ui-monospace,monospace;white-space:nowrap}.info-row .ik-line{flex:1;height:1px;background:var(--border-soft)}.info-row .iv{font-size:13px;color:var(--text-2);font-weight:600;white-space:nowrap}.gh-contrib{display:flex;flex-direction:column;gap:8px}.gh-months-row{overflow:hidden}.gh-grid{width:100%}.gh-grid,.gh-week{display:flex;gap:3px}.gh-week{flex-direction:column;flex:1;min-width:0}.gh-day{width:100%;aspect-ratio:1;border-radius:2px;cursor:default;transition:opacity .12s,outline .12s}.gh-day:hover{opacity:.7}.gh-day.sel{outline:2px solid var(--accent);outline-offset:1px}.gh-info{display:flex;align-items:center;gap:10px;min-height:28px;padding:6px 10px;border-radius:8px;background:var(--bg-gray);opacity:0;transition:opacity .2s}.gh-info.visible{opacity:1}.gh-info-hint{font-size:12px;color:var(--text-4)}.gh-info-date{font-size:12.5px;font-weight:600;color:var(--text-2);font-family:ui-monospace,monospace}.gh-info-count{font-size:13px;font-weight:700;color:var(--accent)}.gh-skeleton{height:100px;background:var(--bg-gray);border-radius:10px}.contact{background:var(--bg-soft);border-top:1px solid var(--border-soft)}.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}.contact-cards{display:flex;flex-direction:column;gap:12px}.contact-card{display:flex;align-items:center;gap:16px;padding:18px 22px;background:var(--surface);border:1px solid var(--border);border-radius:16px;transition:all .2s}.contact-card:hover{border-color:var(--accent);transform:translateX(3px)}.contact-ico{width:46px;height:46px;border-radius:13px;background:var(--accent-bg);color:var(--accent);display:grid;place-items:center;flex:none}.contact-card .cc-kind{font-size:12px;font-weight:700;color:var(--text-3);text-transform:uppercase;letter-spacing:.04em}.contact-card .cc-label{font-size:16px;font-weight:600;margin-top:3px}.contact-form{display:flex;flex-direction:column;gap:12px}.contact-textarea{resize:none;min-height:160px}.contact-btn,.field{width:100%}.field{padding:15px 17px;font-size:15.5px;font-family:inherit;border-radius:14px;border:1px solid var(--border);background:var(--bg);color:var(--text);outline:none;transition:border-color .2s}.field:focus{border-color:var(--accent)}textarea.field{line-height:1.55}.footer{padding:48px 0;border-top:1px solid var(--border)}.footer-in{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}.footer .fl{font-size:14px;color:var(--text-3)}.reveal{opacity:1;transform:none}@media (prefers-reduced-motion:no-preference){html.reveal-ready .reveal{opacity:0;transform:translateY(22px);transition:opacity .7s cubic-bezier(.16,.84,.44,1),transform .7s cubic-bezier(.16,.84,.44,1)}html.reveal-ready .reveal.in{opacity:1;transform:none}}@media (max-width:900px){.hero-grid{grid-template-columns:1fr;gap:40px}.hero-photo{max-width:320px}.hero h1{font-size:44px}.contact-grid,.proj-grid{grid-template-columns:1fr}.contact-grid{gap:40px}.dt-metrics{grid-template-columns:1fr}.nav-links{display:none}.nav-hamburger{display:grid}.sec-title{font-size:30px}.dt-title-lg{font-size:32px}}@media (max-width:560px){.hero{padding-top:120px}.hero h1{font-size:36px}.sec-pad{padding:64px 0}}