@import "https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/variable/pretendardvariable-dynamic-subset.min.css";
@import "https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;600&display=swap";
:root{--amber-50:#fdf6ec;--amber-100:#fbead0;--amber-200:#f6d29a;--amber-300:#f2ba63;--amber-400:#eca748;--amber-500:#e89b3c;--amber-600:#c97e25;--amber-700:#9f6118;--amber-800:#6f4310;--amber-900:#3f2608;--ink-50:#faf8f4;--ink-100:#f2efe9;--ink-200:#e6e1d7;--ink-300:#d2ccbe;--ink-400:#a8a294;--ink-500:#807a6e;--ink-600:#5c574e;--ink-700:#3e3a33;--ink-800:#28251f;--ink-900:#18160f;--paper:#fffefb;--cream:#fdf6ec;--fg-1:var(--ink-900);--fg-2:var(--ink-700);--fg-3:var(--ink-500);--fg-4:var(--ink-400);--fg-accent:var(--amber-600);--bg-page:var(--paper);--bg-alt:var(--cream);--border-1:var(--ink-200);--border-2:var(--ink-100);--border-strong:var(--ink-300);--font-sans:"Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, system-ui, "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;--font-mono:"JetBrains Mono", "SF Mono", Menlo, Consolas, monospace;--shadow-sm:0 1px 2px #3c28100f;--shadow-md:0 2px 4px #3c28100f, 0 8px 20px #3c281014;--ease-out:cubic-bezier(.22, .61, .36, 1);--container-max:1120px;--reading-max:680px;--nav-bg:#fffefbd9;--panel-bg:#fffefbeb}html.dark{--paper:#231f18;--cream:#1a1712;--fg-1:#f0ebe0;--fg-2:#c4b99f;--fg-3:#7a7060;--fg-4:#574f42;--fg-accent:var(--amber-400);--border-1:#38322a;--border-2:#2c271f;--border-strong:#4a4238;--ink-50:#2a241c;--ink-100:#33291f;--ink-200:#3e3229;--shadow-sm:0 1px 2px #0000004d;--shadow-md:0 2px 4px #0000004d, 0 8px 20px #0006;--nav-bg:#1e1a14e0;--panel-bg:#1e1a14eb}*,:before,:after{box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:var(--font-sans);color:var(--fg-2);background:var(--cream);-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility;margin:0;font-size:16px;line-height:1.65}.os-nav{z-index:50;max-width:var(--container-max);background:var(--nav-bg);-webkit-backdrop-filter:blur(12px);border:1px solid var(--border-1);height:60px;box-shadow:var(--shadow-sm);border-radius:14px;align-items:center;gap:28px;margin:16px auto 0;padding:0 22px;display:flex;position:sticky;top:16px}.os-brand{color:var(--fg-1);letter-spacing:-.01em;white-space:nowrap;cursor:pointer;font-size:15px;font-weight:700;font-family:var(--font-sans);background:0 0;border:none;flex-shrink:0;align-items:center;gap:10px;padding:0;text-decoration:none;display:flex}.os-brand-dot{background:var(--amber-500);border-radius:50%;flex-shrink:0;width:9px;height:9px;display:inline-block}.os-brand-sub{font-family:var(--font-mono);color:var(--fg-3);letter-spacing:.02em;margin-left:2px;font-size:11px;font-weight:400}.os-nav-links{flex:1;gap:24px;display:flex}.os-nav-link{color:var(--fg-2);cursor:pointer;font-size:14px;font-weight:500;font-family:var(--font-sans);transition:all .15s var(--ease-out);white-space:nowrap;background:0 0;border:none;border-bottom:2px solid #0000;padding:6px 0}.os-nav-link:hover{color:var(--fg-1)}.os-nav-link.is-active{color:var(--fg-1);border-bottom-color:var(--amber-500)}.os-nav-cta{background:var(--amber-500);color:#fff;font-family:var(--font-sans);cursor:pointer;transition:all .15s var(--ease-out);white-space:nowrap;border:none;border-radius:6px;padding:8px 14px;font-size:13px;font-weight:600}.os-nav-cta:hover{background:var(--amber-600)}@media (max-width:720px){.os-nav-links{display:none}}.os-section{max-width:var(--container-max);margin:0 auto;padding:96px 32px;scroll-margin-top:100px}.os-section-head{max-width:var(--reading-max);margin-bottom:48px}.os-eyebrow{font-family:var(--font-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--fg-accent);margin-bottom:14px;font-size:12px;font-weight:600;display:inline-block}.os-section-title{letter-spacing:-.02em;color:var(--fg-1);margin:0 0 14px;font-size:38px;font-weight:700;line-height:1.25}.os-section-sub{color:var(--fg-3);margin:0;font-size:17px;line-height:1.65}@media (max-width:720px){.os-section{padding:64px 20px}.os-section-title{font-size:28px}.os-section-sub{font-size:16px}}.os-hero{max-width:var(--container-max);margin:0 auto;padding:120px 32px 100px;position:relative;overflow:hidden}.os-hero-pattern{opacity:.1;pointer-events:none;background-image:url(/assets/brand-pattern.svg);background-size:80px 80px;position:absolute;inset:0;-webkit-mask-image:radial-gradient(at 100% 0,#000 0%,#0000 70%);mask-image:radial-gradient(at 100% 0,#000 0%,#0000 70%)}.os-hero[data-mode=dynamic] .os-hero-pattern{animation:22s linear infinite os-pattern-drift}@keyframes os-pattern-drift{0%{background-position:0 0}to{background-position:80px 80px}}.os-hero-inner{max-width:920px;position:relative}.os-hero-kicker{font-family:var(--font-mono);color:var(--fg-accent);background:var(--amber-50);border:1px solid var(--amber-200);letter-spacing:.04em;white-space:nowrap;border-radius:999px;align-items:center;gap:8px;max-width:100%;margin-bottom:24px;padding:6px 14px;font-size:12px;font-weight:500;display:inline-flex}.os-pulse{background:var(--amber-500);border-radius:50%;width:7px;height:7px;position:relative}.os-hero[data-mode=dynamic] .os-pulse:after{content:"";background:var(--amber-500);opacity:.4;border-radius:50%;animation:1.8s ease-out infinite os-pulse;position:absolute;inset:-3px}@keyframes os-pulse{0%{opacity:.5;transform:scale(.6)}to{opacity:0;transform:scale(2.4)}}.os-hero-title{letter-spacing:-.025em;color:var(--fg-1);margin:0 0 24px;font-size:60px;font-weight:700;line-height:1.12}.os-rotor-wrap{vertical-align:bottom;color:var(--amber-600);display:inline-block;position:relative}.os-rotor{vertical-align:bottom;display:inline-grid}.os-rotor-item{white-space:nowrap;grid-area:1/1}.os-hero[data-mode=static] .os-rotor-item:not(.is-static){display:none}.os-hero[data-mode=dynamic] .os-rotor-item{opacity:0;animation:9s cubic-bezier(.7,0,.3,1) infinite os-rotor}.os-hero[data-mode=dynamic] .os-rotor-item:first-child{animation-delay:0s}.os-hero[data-mode=dynamic] .os-rotor-item:nth-child(2){animation-delay:3s}.os-hero[data-mode=dynamic] .os-rotor-item:nth-child(3){animation-delay:6s}@keyframes os-rotor{0%{opacity:0;transform:translateY(12px)}4%{opacity:1;transform:translateY(0)}29%{opacity:1;transform:translateY(0)}33%{opacity:0;transform:translateY(-12px)}to{opacity:0;transform:translateY(-12px)}}.os-hero-lede{color:var(--fg-2);max-width:640px;margin:0 0 36px;font-size:19px;line-height:1.7}.os-hero-lede strong{color:var(--fg-1);font-weight:600}.os-hero-actions{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.os-hero-stats{border-top:1px solid var(--border-1);align-items:center;gap:36px;max-width:720px;margin-top:64px;padding-top:28px;display:flex}.os-hero-stats>div:not(.os-stat-sep){flex-direction:column;flex-shrink:0;gap:4px;display:flex}.os-hero-stats span,.os-hero-stats strong{white-space:nowrap}.os-hero-stats strong{font-family:var(--font-sans);color:var(--fg-1);letter-spacing:-.02em;font-feature-settings:"tnum";font-size:32px;font-weight:700;line-height:1}.os-hero-stats span{color:var(--fg-3);font-size:13px}.os-stat-sep{background:var(--border-1);width:1px;height:36px}@media (max-width:720px){.os-hero{padding:80px 20px 64px}.os-hero-title{font-size:38px}.os-hero-lede{font-size:17px}.os-hero-stats{flex-wrap:wrap;gap:20px}.os-stat-sep{display:none}}.btn{font-family:var(--font-sans);cursor:pointer;transition:all .15s var(--ease-out);border:1px solid #0000;border-radius:6px;align-items:center;gap:6px;padding:10px 18px;font-size:14px;font-weight:600;text-decoration:none;display:inline-flex}.btn-primary{background:var(--amber-500);color:#fff}.btn-primary:hover{background:var(--amber-600)}.btn-primary:active{background:var(--amber-700);transform:translateY(1px)}.btn-ghost{color:var(--fg-accent);background:0 0}.btn-ghost:hover{background:var(--amber-50)}.btn-lg{padding:14px 22px;font-size:16px}.os-about-grid{grid-template-columns:1.15fr 1fr;gap:64px;display:grid}@media (max-width:880px){.os-about-grid{grid-template-columns:1fr;gap:40px}}.os-about-bio p{color:var(--fg-2);max-width:580px;margin:0 0 18px;font-size:17px;line-height:1.8}.os-about-bio p strong{color:var(--fg-1);font-weight:600}.os-about-card{background:var(--paper);border:1px solid var(--border-1);box-shadow:var(--shadow-sm);border-radius:14px;padding:28px}.os-about-card-h{color:var(--fg-3);letter-spacing:.02em;align-items:center;gap:10px;margin-bottom:20px;font-size:13px;font-weight:600;display:flex}.os-about-card-h:before{content:"";background:var(--amber-500);border-radius:50%;width:6px;height:6px}.os-principles{flex-direction:column;gap:22px;margin:0;padding:0;list-style:none;display:flex}.os-principles li{gap:16px;display:flex}.os-principle-n{font-family:var(--font-mono);color:var(--amber-600);flex-shrink:0;margin-top:3px;font-size:12px;font-weight:600}.os-principle-t{color:var(--fg-1);margin-bottom:4px;font-size:15px;font-weight:700;line-height:1.4}.os-principle-d{color:var(--fg-3);font-size:13.5px;line-height:1.65}.os-projects-list{gap:16px;display:grid}.os-project{background:var(--paper);border:1px solid var(--border-1);box-shadow:var(--shadow-sm);transition:all .2s var(--ease-out);border-radius:14px;grid-template-columns:140px 1fr auto;align-items:start;gap:32px;padding:28px 32px;display:grid}.os-project:hover{box-shadow:var(--shadow-md);border-color:var(--border-strong);transform:translateY(-1px)}.os-project-meta{font-family:var(--font-mono);flex-direction:column;gap:6px;font-size:12px;display:flex}.os-project-year{color:var(--fg-1);letter-spacing:-.01em;font-feature-settings:"tnum";font-size:18px;font-weight:600}.os-project-client{color:var(--fg-3);letter-spacing:.06em;text-transform:uppercase;font-size:11px}.os-project-role{color:var(--amber-700);background:var(--amber-50);border:1px solid var(--amber-200);border-radius:999px;align-items:center;gap:6px;width:fit-content;margin-top:4px;padding:3px 9px;font-size:11px;display:inline-flex}.os-project-body{flex-direction:column;gap:12px;min-width:0;display:flex}.os-project-title{color:var(--fg-1);letter-spacing:-.015em;margin:0;font-size:22px;font-weight:700;line-height:1.35}.os-project-summary{color:var(--fg-2);max-width:640px;margin:0;font-size:14.5px;line-height:1.7}.os-project-highlights{flex-direction:column;gap:6px;margin:4px 0 0;padding:0;list-style:none;display:flex}.os-project-highlights li{color:var(--fg-2);padding-left:18px;font-size:13.5px;line-height:1.55;position:relative}.os-project-highlights li:before{content:"";background:var(--amber-500);border-radius:50%;width:5px;height:5px;position:absolute;top:9px;left:4px}.os-project-tags{flex-wrap:wrap;gap:6px;margin-top:8px;display:flex}.os-tag{font-family:var(--font-mono);color:var(--fg-2);background:var(--ink-50);border:1px solid var(--border-2);border-radius:6px;padding:3px 8px;font-size:11px}.os-project-stat{border-left:1px solid var(--border-2);flex-direction:column;align-items:flex-end;gap:4px;min-width:130px;padding-left:32px;display:flex}.os-project-stat strong{color:var(--amber-600);letter-spacing:-.02em;font-feature-settings:"tnum";font-size:30px;font-weight:700;line-height:1}.os-project-stat span{color:var(--fg-3);text-align:right;font-size:12px}@media (max-width:880px){.os-project{grid-template-columns:1fr;gap:18px;padding:24px}.os-project-stat{border-left:none;border-top:1px solid var(--border-2);flex-direction:row;align-items:baseline;gap:12px;min-width:0;padding-top:16px;padding-left:0}.os-project-stat span{text-align:left}.os-project-meta{flex-flow:wrap;align-items:center;gap:10px}.os-project-role{margin-top:0}}.os-tech-grid{grid-template-columns:repeat(4,1fr);gap:16px;display:grid}@media (max-width:880px){.os-tech-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width:520px){.os-tech-grid{grid-template-columns:1fr}}.os-tech-card{background:var(--paper);border:1px solid var(--border-1);border-radius:12px;flex-direction:column;gap:14px;padding:24px;display:flex}.os-tech-card-h{font-size:11px;font-family:var(--font-mono);color:var(--fg-3);letter-spacing:.08em;text-transform:uppercase;align-items:center;gap:8px;font-weight:600;display:flex}.os-tech-card-n{color:var(--amber-600)}.os-tech-card-t{color:var(--fg-1);margin:0;font-size:16px;font-weight:700;line-height:1.4}.os-tech-list{flex-wrap:wrap;gap:6px;margin:0;padding:0;list-style:none;display:flex}.os-tech-list li{font-family:var(--font-mono);color:var(--fg-2);background:var(--ink-50);border:1px solid var(--border-2);border-radius:6px;padding:4px 9px;font-size:12px}.os-tech-list li.is-primary{background:var(--amber-50);border-color:var(--amber-200);color:var(--amber-700)}.os-contact-grid{grid-template-columns:1.3fr 1fr;gap:24px;display:grid}@media (max-width:880px){.os-contact-grid{grid-template-columns:1fr}}.os-contact-channels{grid-template-columns:1fr 1fr;gap:14px;display:grid}@media (max-width:600px){.os-contact-channels{grid-template-columns:1fr}}.os-contact-card{background:var(--paper);border:1px solid var(--border-1);transition:all .2s var(--ease-out);color:inherit;border-radius:14px;flex-direction:column;gap:10px;padding:24px;text-decoration:none;display:flex}.os-contact-card:hover{box-shadow:var(--shadow-md);border-color:var(--amber-300);transform:translateY(-2px)}.os-contact-card-icon{background:var(--amber-50);border:1px solid var(--amber-200);width:40px;height:40px;color:var(--amber-700);border-radius:10px;justify-content:center;align-items:center;margin-bottom:4px;display:flex}.os-contact-card-label{font-family:var(--font-mono);color:var(--fg-3);letter-spacing:.08em;text-transform:uppercase;font-size:10px}.os-contact-card-val{color:var(--fg-1);letter-spacing:-.01em;word-break:break-all;font-size:16px;font-weight:600}.os-contact-card-note{color:var(--fg-3);margin-top:2px;font-size:13px;line-height:1.55}.os-contact-aside{background:var(--paper);border:1px solid var(--border-1);border-radius:14px;flex-direction:column;gap:18px;padding:28px;display:flex}.os-contact-aside-title{color:var(--fg-1);letter-spacing:-.01em;margin:0;font-size:18px;font-weight:700}.os-contact-aside p{color:var(--fg-2);margin:0;font-size:14px;line-height:1.7}.os-contact-meta{border-top:1px solid var(--border-2);flex-direction:column;gap:12px;margin-top:4px;padding-top:18px;display:flex}.os-contact-meta-row{justify-content:space-between;align-items:baseline;gap:12px;display:flex}.os-contact-meta-l{font-family:var(--font-mono);color:var(--fg-3);letter-spacing:.06em;text-transform:uppercase;font-size:11px}.os-contact-meta-v{color:var(--fg-1);font-size:14px;font-weight:500}.os-footer{border-top:1px solid var(--border-1);background:var(--paper);margin-top:32px;padding:40px 32px}.os-footer-inner{max-width:var(--container-max);flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:24px;margin:0 auto;display:flex}.os-footer-brand{align-items:center;gap:12px;display:flex}.os-footer-brand .os-brand-dot{width:11px;height:11px}.os-footer-name{color:var(--fg-1);font-size:15px;font-weight:700}.os-footer-role{color:var(--fg-3);font-size:13px}.os-footer-meta{color:var(--fg-3);font-size:12px;font-family:var(--font-mono);text-align:right;flex-direction:column;gap:4px;display:flex}@media (max-width:720px){.os-footer-meta{font-family:var(--font-sans);text-align:left}}.os-reveal{opacity:0;transition:opacity .6s var(--ease-out), transform .6s var(--ease-out);transform:translateY(8px)}.os-reveal.is-in{opacity:1;transform:none}.os-float-panel{z-index:100;background:var(--panel-bg);-webkit-backdrop-filter:blur(10px);border:1px solid var(--border-1);box-shadow:var(--shadow-md);font-size:12px;font-family:var(--font-mono);color:var(--fg-3);border-radius:10px;align-items:center;gap:8px;padding:8px 14px;display:flex;position:fixed;bottom:24px;right:24px}.os-float-panel-btn{font-family:var(--font-mono);cursor:pointer;color:var(--fg-3);transition:all .15s var(--ease-out);background:0 0;border:1px solid #0000;border-radius:6px;padding:3px 8px;font-size:11px}.os-float-panel-btn.is-active{color:var(--amber-700);background:var(--amber-50);border-color:var(--amber-200);font-weight:700}.os-theme-btn{border:1px solid var(--border-1);cursor:pointer;width:34px;height:34px;color:var(--fg-3);transition:all .15s var(--ease-out);background:0 0;border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;display:flex}.os-theme-btn:hover{background:var(--ink-50);color:var(--fg-1);border-color:var(--border-strong)}body,.os-nav,.os-project,.os-about-card,.os-tech-card,.os-contact-card,.os-contact-aside,.os-footer{transition:background .25s var(--ease-out), border-color .25s var(--ease-out), color .25s var(--ease-out)}