:root{--bg: rgb(255,255,255);--panel: rgb(250,250,250);--border: rgb(5,5,5);--shadow: rgba(150,150,150,0.66);--text: rgb(0,0,0);--muted: rgba(0,0,0,0.70);--link: #0b57d0;--max: 1100px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;line-height:1.65}a{color:var(--link);text-decoration:none}a:hover{text-decoration:underline}.container{max-width:var(--max);margin:0 auto;padding:0 18px}.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,0.98);border-bottom:1px solid var(--border)}.header-inner{display:flex;align-items:center;justify-content:flex-start;gap:16px;padding:14px 0}.brand{flex:0 0 150px;min-width:150px}.brand-title{font-size:40px;font-weight:900;letter-spacing:-0.2px;color:var(--text);text-decoration:none}.brand-title:hover{text-decoration:none}.brand-subtitle{margin-top:2px;font-size:14px;color:var(--muted)}.nav{flex:1 1 auto;max-width:1000px;margin-left:auto;display:flex;flex-wrap:wrap;gap:10px;justify-content:flex-end}.nav-row{display:flex;flex-wrap:wrap;gap:10px;justify-content:flex-end}.nav-link{display:inline-flex;align-items:center;padding:8px 12px;border-radius:999px;border:1px solid var(--border);background:var(--panel);color:var(--text);font-size:14px;text-decoration:none}.nav-link:hover{background:#f5f5f5;text-decoration:none}.nav-link.active{background:#f0f0f0}.nav-cta{font-weight:800}.site-main{padding:24px 0 56px}.section{scroll-margin-top:96px;margin:60px 0}.card,.hero{background:var(--panel);border:1.5px solid var(--border);border-radius:10px;box-shadow:0 0 12px 4px var(--shadow);padding:24px}.hero-inner{display:grid;gap:25px}@media (min-width: 860px){.hero-inner{grid-template-columns:250px 1fr;align-items:center}}.avatar{width:250px;height:250px;border-radius:10px;border:1px solid var(--border);object-fit:cover;background:#fff;box-shadow:0 0 5px var(--shadow)}.hero-title{margin:0 0 6px;font-size:40px;font-weight:900;letter-spacing:-0.4px}.hero-sub{margin:0;color:var(--muted)}.actions{margin-top:14px;display:flex;flex-wrap:wrap;gap:10px}.btn{display:inline-flex;align-items:center;padding:10px 14px;border-radius:10px;border:1px solid var(--border);background:var(--panel);color:var(--text);text-decoration:none;box-shadow:0 0 5px var(--shadow)}.btn:hover{background:#f5f5f5;text-decoration:none}.btn.primary{font-weight:900}.section-title{margin:0 0 10px;font-size:30px;font-weight:900;letter-spacing:-0.2px}.muted{color:var(--muted)}.list-item{padding:12px 0;border-top:1px solid rgba(0,0,0,0.15)}.list-item:first-child{border-top:none;padding-top:0}.item-title{margin:6px 0;font-size:20px;font-weight:900}.item-desc{margin:0;font-size:15px;color:var(--muted)}.subheading{margin:6px 0 10px;font-size:20px;font-weight:900}.keyword-grid{display:grid;gap:10px}@media (min-width: 900px){.keyword-grid.cols-3{grid-template-columns:repeat(3, 1fr)}}.keyword-item{background:var(--panel);border:1px solid var(--border);border-radius:10px;box-shadow:0 0 5px var(--shadow);padding:10px 14px;font-size:14px;font-weight:600}.site-footer{border-top:1px solid var(--border);padding:22px 0;color:var(--muted)}.footer-inner{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}.footer-title{color:var(--text);font-weight:900}.footer-links a{margin-left:12px;color:var(--muted)}.footer-links a:hover{color:var(--text);text-decoration:none}