:root{--paper:#faf7f2;--card:#fff;--ink:#23252b;--ink-soft:#5d6069;--line:#e6e1d8;--accent:#b3541e;--accent-ink:#fff}*{box-sizing:border-box;margin:0;padding:0}html{font-size:19px}body{background:var(--paper);color:var(--ink);font-family:-apple-system,Segoe UI,system-ui,Apple SD Gothic Neo,Malgun Gothic,sans-serif;line-height:1.6}a{color:inherit}.container{max-width:960px;margin:0 auto;padding:0 24px}.btn{background:var(--accent);color:var(--accent-ink);cursor:pointer;border:none;border-radius:16px;padding:18px 34px;font-family:inherit;font-size:1.15rem;font-weight:700;text-decoration:none;display:inline-block}.btn:active{transform:scale(.98)}.btn.secondary{background:var(--card);color:var(--ink);border:2px solid var(--line)}.site-header{justify-content:space-between;align-items:center;padding:22px 0;display:flex}.site-header .logo{font-size:1.3rem;font-weight:800;text-decoration:none}.site-header .logo span{color:var(--accent)}.site-header nav{gap:10px;display:flex}.site-header nav a{border-radius:10px;padding:10px 16px;font-weight:600;text-decoration:none}.site-header nav a:hover{background:var(--card)}