:root{--bg:#fbfaf7;--ink:#1d1f24;--muted:#5d6370;--line:#e4e1d9;--card:#fff;--accent:#e07a1f;--accent-ink:#8a4406;--good:#1f7a4d}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.6 Georgia,"Iowan Old Style",serif}
.wrap{max-width:980px;margin:0 auto;padding:0 20px}
.top{padding:48px 0 28px;border-bottom:1px solid var(--line)}
.kicker{font:600 13px/1 -apple-system,system-ui,sans-serif;letter-spacing:.08em;text-transform:uppercase;color:var(--accent-ink);margin:0 0 10px}
h1{font-size:clamp(32px,5vw,48px);line-height:1.1;margin:0 0 12px}
h2{font-size:26px;line-height:1.2;margin:0 0 16px}
h3{font-size:20px;margin:28px 0 6px}
.lede{font-size:19px;color:var(--muted);max-width:680px;margin:0}
a{color:var(--accent-ink)}
.calc{margin:32px 0;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:24px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px}
fieldset{border:1px solid var(--line);border-radius:10px;padding:14px 16px 6px;margin:0}
legend{font:600 14px/1 -apple-system,system-ui,sans-serif;padding:0 6px}
label{display:block;font:14px/1.35 -apple-system,system-ui,sans-serif;color:var(--muted);margin-bottom:12px}
input,select{display:block;width:100%;margin-top:5px;font:16px -apple-system,system-ui,sans-serif;padding:9px 10px;border:1px solid #cfcbc1;border-radius:8px;background:#fff;color:var(--ink)}
input:focus,select:focus{outline:2px solid var(--accent);outline-offset:1px}
.results{margin-top:22px;font-family:-apple-system,system-ui,sans-serif}
.big{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;margin-bottom:16px}
.big>div{border:1px solid var(--line);border-radius:12px;padding:16px;background:#faf8f3}
.big .target{border-color:var(--accent);background:#fff6ec}
.lbl{display:block;font-size:13px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}
.num{display:block;font-size:40px;font-weight:700;line-height:1.15;margin:4px 0}
.sub{font-size:14px;color:var(--muted)}
table{width:100%;border-collapse:collapse;font-size:15px}
th,td{padding:8px 4px;border-bottom:1px solid var(--line);text-align:left;font-weight:400}
td{text-align:right;font-variant-numeric:tabular-nums;font-weight:600}
.note{color:var(--good);font-size:15px;margin:12px 0 0}
.guide{max-width:720px;margin:40px 0}
.about{max-width:720px;margin:0 0 48px;padding:20px;border-left:4px solid var(--accent);background:#fff}
.about h2{font-size:20px}
.also{font-family:-apple-system,system-ui,sans-serif;font-size:15px}
.foot{border-top:1px solid var(--line);padding:24px 0;font:14px -apple-system,system-ui,sans-serif;color:var(--muted)}
.row{display:grid;grid-template-columns:2fr 1fr 1fr auto;gap:8px;align-items:end;margin-bottom:8px}
.row input{margin-top:0}
.row button,.btn{font:14px -apple-system,system-ui,sans-serif;border:1px solid #cfcbc1;background:#fff;border-radius:8px;padding:9px 12px;cursor:pointer}
.btn{margin-top:4px}
.hdr{font:12px -apple-system,system-ui,sans-serif;color:var(--muted);text-transform:uppercase;letter-spacing:.05em}
.tag{display:inline-block;font-size:12px;padding:2px 8px;border-radius:10px;background:#e9f5ee;color:var(--good);font-weight:600}
.tag.keep{background:#f1efe9;color:var(--muted)}
@media (max-width:560px){.row{grid-template-columns:1fr 1fr}.row input:first-child{grid-column:1/-1}.num{font-size:34px}}