:root{--color-bg:#fff;--color-bg-alt:#f4f6fb;--color-text:#141a2e;--color-muted:#5b6478;--color-primary:#1a44ff;--color-primary-dark:#0a1e8c;--color-border:#e3e7f0;--max-width:1080px;--font:-apple-system, BlinkMacSystemFont, "Segoe UI", "Apple SD Gothic Neo", "Noto Sans KR", "Pretendard", sans-serif;--font-mono:ui-monospace, "Cascadia Code", "SF Mono", Menlo, Consolas, monospace}*{box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:var(--font);color:var(--color-text);background:var(--color-bg);word-break:keep-all;margin:0;line-height:1.7}img{max-width:100%;height:auto}a{color:var(--color-primary);text-decoration:none}.container{width:100%;max-width:var(--max-width);margin:0 auto;padding:0 1.25rem}.container.narrow{max-width:760px}.site-header{z-index:10;backdrop-filter:blur(8px);border-bottom:1px solid var(--color-border);background:#ffffffeb;position:sticky;top:0}.site-header .container{justify-content:space-between;align-items:center;height:64px;display:flex}.logo{align-items:center;display:flex}.logo img{width:auto;height:26px}.site-nav{align-items:center;gap:1.75rem;display:flex}.site-nav a{color:var(--color-text);font-weight:500}.site-nav a:hover{color:var(--color-primary)}.lang-switch{border:1px solid var(--color-border);letter-spacing:.04em;border-radius:999px;padding:.25rem .7rem;font-size:.8rem;font-weight:600}.nav-toggle{cursor:pointer;color:var(--color-text);background:0 0;border:none;font-size:1.5rem;display:none}.hero{text-align:center;background:linear-gradient(#f4f6fb 0%,#fff 100%);padding:5rem 0 6rem}.hero-mark{border-radius:20px;width:96px;height:96px;margin-bottom:1rem;box-shadow:0 6px 20px #1a44ff1f}.eyebrow{color:var(--color-primary);letter-spacing:.12em;text-transform:uppercase;margin:0 0 .5rem;font-size:.85rem;font-weight:700}.hero h1{color:var(--color-primary-dark);margin:0 0 1.25rem;font-size:clamp(1.75rem,4.5vw,2.75rem);line-height:1.3}.lead{max-width:640px;color:var(--color-muted);margin:0 auto 2rem;font-size:1.125rem}.btn{background:var(--color-primary);color:#fff;border-radius:8px;padding:.8rem 1.9rem;font-weight:600;transition:background .15s;display:inline-block}.btn:hover{background:var(--color-primary-dark)}.section{padding:4.5rem 0}.section-alt{background:var(--color-bg-alt)}.section h2{color:var(--color-primary-dark);margin:0 0 1.5rem;font-size:1.75rem}.section p{margin:0 0 1rem}.cards{grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1.5rem;display:grid}.card{background:var(--color-bg);border:1px solid var(--color-border);border-radius:12px;padding:1.75rem}.card-icon{width:40px;height:40px;color:var(--color-primary);background:#1a44ff1a;border-radius:10px;justify-content:center;align-items:center;margin-bottom:1rem;font-size:1.1rem;display:flex}.card h3{margin:0 0 .6rem;font-size:1.1rem}.card p{color:var(--color-muted);margin:0;font-size:.95rem}.contact-email{font-size:1.5rem;font-weight:600}.page-title{color:var(--color-primary-dark);margin:0 0 .5rem;font-size:2rem}.page-description{color:var(--color-muted);margin:0 0 2.5rem}.post-list{flex-direction:column;gap:1rem;margin:0;padding:0;list-style:none;display:flex}.post-item{border:1px solid var(--color-border);border-radius:12px;padding:1.5rem;transition:border-color .15s}.post-item:hover{border-color:var(--color-primary)}.post-item h2{margin:0 0 .4rem;font-size:1.25rem}.post-item h2 a{color:var(--color-text)}.post-item p{color:var(--color-muted);margin:0 0 .6rem}.post-meta{color:var(--color-muted);flex-wrap:wrap;align-items:center;gap:.75rem;font-size:.875rem;display:flex}.tag{color:var(--color-primary);background:#1a44ff14;border-radius:999px;padding:.1rem .6rem;font-size:.8rem;font-weight:600}.empty{color:var(--color-muted)}.post-header{margin-bottom:2.5rem}.post-header h1{color:var(--color-primary-dark);margin:0 0 .75rem;font-size:clamp(1.75rem,4vw,2.4rem);line-height:1.3}.back-link{margin-bottom:1.5rem;font-size:.9rem;display:inline-block}.prose{font-size:1.05rem}.prose h2{margin:2.5rem 0 1rem;font-size:1.5rem}.prose h3{margin:2rem 0 .75rem;font-size:1.2rem}.prose p,.prose ul,.prose ol{margin:0 0 1.25rem}.prose img,.prose video{border-radius:8px;margin:1.5rem auto;display:block}.prose blockquote{border-left:3px solid var(--color-primary);background:var(--color-bg-alt);color:var(--color-muted);margin:1.5rem 0;padding:.5rem 1.25rem}.prose code{font-family:var(--font-mono);background:var(--color-bg-alt);border-radius:4px;padding:.15em .4em;font-size:.9em}.prose pre{border-radius:8px;margin:1.5rem 0;padding:1.25rem;font-size:.9rem;overflow-x:auto}.prose pre code{background:0 0;padding:0}.prose table{border-collapse:collapse;width:100%;margin:1.5rem 0;display:block;overflow-x:auto}.prose th,.prose td{border:1px solid var(--color-border);text-align:left;padding:.6rem .9rem}.site-footer{border-top:1px solid var(--color-border);text-align:center;color:var(--color-muted);padding:2rem 0;font-size:.875rem}@media (width<=720px){.nav-toggle{display:block}.site-nav{background:var(--color-bg);border-bottom:1px solid var(--color-border);flex-direction:column;align-items:stretch;gap:0;display:none;position:absolute;top:64px;left:0;right:0}.site-nav.is-open{display:flex}.site-nav a{border-top:1px solid var(--color-border);padding:1rem 1.25rem}.lang-switch{border-bottom:0;border-left:0;border-right:0;border-radius:0;font-size:1rem}}