:root{--bg:#19191b;--deep:#111113;--surface:#29292d;--line:#343438;--text:#f7f7f7;--muted:#a4a4aa;--blue:#3b5bff;--blue2:#5470ff;--max:1600px;--gutter:clamp(24px,3vw,48px);--header:64px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:Arial,"Apple SD Gothic Neo","Noto Sans KR",sans-serif;-webkit-font-smoothing:antialiased;word-break:keep-all}a{color:inherit;text-decoration:none}button,input{font:inherit;color:inherit}.shell{width:min(100%,var(--max));margin:auto;padding-inline:var(--gutter)}.site-header{position:sticky;top:0;z-index:50;height:var(--header);background:rgba(25,25,27,.96);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}.header-inner{height:100%;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:28px}.brand{display:flex;align-items:center;gap:9px;font-size:15px;font-weight:800}.brand-mark{font-size:22px}.desktop-nav{display:flex;gap:24px}.desktop-nav a,.header-actions 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