:root{--bg:#ffffff;--surface:#f2f4f6;--text:#191f28;--muted:#4e5968;--faint:#8b95a1;--accent:#3182f6;--accent-hover:#2272eb;--border:#e5e8eb;--mkt-weak-bg:#e8f3ff;--mkt-weak-fg:#1b64da;--mkt-dark-bg:rgba(0,12,30,0.8)}*{box-sizing:border-box}body,html{margin:0;padding:0}body{background:var(--bg);color:var(--text);font-family:Pretendard,system-ui,-apple-system,Segoe UI,Roboto,Apple SD Gothic Neo,Malgun Gothic,sans-serif;line-height:1.6;-webkit-font-smoothing:antialiased}.page{max-width:960px;margin:0 auto;padding:4rem 1.5rem}.eyebrow{color:var(--accent);font-weight:600;letter-spacing:.02em;margin:0 0 .75rem}.hero h1{font-size:clamp(2rem,5vw,3.25rem);line-height:1.2;margin:0 0 1.25rem;font-weight:800}.accent{color:var(--accent)}.lede{font-size:18px;color:var(--muted);max-width:44ch}.badges{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:2rem}.badge{background:var(--surface);border:1px solid var(--border);border-radius:999px;padding:.4rem .9rem;font-size:14px;color:var(--text)}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));grid-gap:1rem;gap:1rem;margin:3.5rem 0}.card{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:1.5rem}.card h2{font-size:18px;margin:0 0 .5rem}.card p{margin:0;font-size:16px}.card p,.footer{color:var(--muted)}.footer{border-top:1px solid var(--border);padding-top:1.5rem;font-size:14px}.footer .muted{color:var(--faint)}.nav{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem}.nav a.nav-brand,.nav-brand{font-weight:800;font-size:18px;letter-spacing:-.02em;color:var(--text);text-decoration:none;border:none;padding:0;border-radius:0}.nav-links{display:flex;gap:.5rem}.nav a{color:var(--text);text-decoration:none;font-size:14px;border:1px solid var(--border);border-radius:999px;padding:.4rem 1rem}.auth-page{display:flex;justify-content:center}.authbox{max-width:420px;width:100%}.btn-primary{display:block;width:100%;margin-top:.5rem;padding:.9rem 1rem;background:#3182f6;color:#ffffff;border:none;border-radius:14px;font-size:16px;font-weight:700;cursor:pointer}.btn-primary:hover:not(:disabled){background:#2272eb}.btn-primary:disabled{opacity:.6;cursor:default}.auth-switch{display:inline-block;margin-top:1rem;background:none;border:none;padding:0;font-size:14px;font-weight:600;text-decoration:underline}.auth-switch,.btn-outline{color:var(--text);cursor:pointer}.btn-outline{padding:.6rem 1.2rem;background:transparent;border:1px solid var(--border);border-radius:10px;font-size:16px}.auth-error{color:#e42939}.auth-error,.auth-notice{font-size:14px;margin-top:1rem}.auth-notice{color:#1f9d57}.auth-fineprint{color:var(--muted);font-size:14px;margin-top:1.25rem}.form{display:flex;flex-direction:column;gap:.9rem;margin-top:1.5rem;text-align:left}.check{display:flex;align-items:center;gap:.6rem;font-size:16px;color:var(--text)}.field{display:flex;flex-direction:column;gap:.35rem;font-size:14px;color:var(--muted)}.field input,.field select,.field textarea{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:.7rem .8rem;color:var(--text);font-size:16px;font-family:inherit}.field input::placeholder,.field textarea::placeholder{color:var(--faint)}