:root{--primary-navy:#1e293b;--secondary-navy:#334155;--accent-blue:#3b82f6;--accent-hover:#2563eb;--bg-light:#f8fafc;--bg-white:#fff;--text-main:#0f172a;--text-muted:#64748b;--border-color:#e2e8f0}*{box-sizing:border-box;margin:0;padding:0}body{color:var(--text-main);background-color:var(--bg-light);font-family:Pretendard,-apple-system,BlinkMacSystemFont,system-ui,Roboto,Helvetica Neue,Segoe UI,Apple SD Gothic Neo,Noto Sans KR,Malgun Gothic,sans-serif;line-height:1.5}a{color:inherit;text-decoration:none}ul{list-style:none}button{cursor:pointer;background:0 0;border:none;font-family:inherit}.btn-primary{background-color:var(--accent-blue);color:var(--bg-white);border-radius:8px;padding:12px 24px;font-weight:600;transition:all .2s;box-shadow:0 4px 6px -1px #3b82f633,0 2px 4px -1px #3b82f61a}.btn-primary:hover{background-color:var(--accent-hover);transform:translateY(-1px);box-shadow:0 6px 8px -1px #3b82f64d,0 4px 6px -1px #3b82f633}.card{background:var(--bg-white);border:1px solid var(--border-color);border-radius:16px;padding:24px;transition:transform .2s,box-shadow .2s;box-shadow:0 4px 6px -1px #0000000d,0 2px 4px -1px #00000008}.card:hover{transform:translateY(-2px);box-shadow:0 10px 15px -3px #0000000d,0 4px 6px -2px #00000008}.container{max-width:1200px;margin:0 auto;padding:0 20px}.badge{border-radius:20px;padding:4px 10px;font-size:.75rem;font-weight:700;display:inline-block}.badge.level-1{color:#64748b;background:#f1f5f9}.badge.level-3{color:#0284c7;background:#e0f2fe}.badge.level-6{color:#854d0e;background:#fef08a}.badge.level-11{color:#be123c;background:#fecdd3}.badge.level-21{color:#6b21a8;background:#e9d5ff}.navbar{background:var(--bg-white);border-bottom:1px solid var(--border-color);z-index:100;position:sticky;top:0}.navbar-content{justify-content:space-between;align-items:center;height:70px;display:flex}.logo{color:var(--primary-navy);align-items:center;gap:8px;font-size:1.5rem;font-weight:800;display:flex}.nav-links{align-items:center;gap:24px;display:flex}.nav-link{color:var(--secondary-navy);font-weight:600;transition:color .2s}.nav-link:hover{color:var(--accent-blue)}