:root{--bg:#f6f8f5;--card:#fff;--ink:#14231b;--muted:#5a6b61;--line:#dfe6e0;--brand:#1f7a4d;--brand-d:#145c39;--accent:#e8f4ec;--good:#1f7a4d;--ok:#3d7fb8;--tight:#b7791f;--no:#c0392b;--r:14px;--shadow:0 1px 2px rgba(0,0,0,.04),0 8px 24px rgba(20,35,27,.06)}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;font:16px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg)}
a{color:var(--brand-d)}a:hover{color:var(--brand)}
img,svg{max-width:100%}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-999px}.skip:focus{left:10px;top:10px;background:#fff;padding:8px;z-index:9}
header.site{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:60px;flex-wrap:wrap}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.15rem;color:var(--ink);text-decoration:none;letter-spacing:-.01em}
.logo svg{width:30px;height:30px}
nav.main{display:flex;gap:4px;flex-wrap:wrap}
nav.main a{text-decoration:none;color:var(--muted);font-size:.93rem;padding:6px 10px;border-radius:8px}
nav.main a:hover,nav.main a[aria-current=page]{background:var(--accent);color:var(--brand-d)}
.hero{padding:40px 0 18px}
.hero h1{font-size:clamp(1.8rem,4vw,2.6rem);line-height:1.15;margin:0 0 10px;letter-spacing:-.02em}
.hero p.lede{font-size:1.1rem;color:var(--muted);max-width:720px;margin:0}
.grid{display:grid;grid-template-columns:minmax(0,380px) minmax(0,1fr);gap:22px;align-items:start;padding-bottom:30px}
@media (max-width:860px){.grid{grid-template-columns:1fr}}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);padding:22px}
.card h2{margin-top:0;font-size:1.2rem}
form.calc label{display:block;font-weight:600;font-size:.92rem;margin:14px 0 6px}
form.calc .hint{font-weight:400;color:var(--muted);font-size:.82rem}
.pair{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.inp{position:relative}
.inp input{width:100%;padding:11px 34px 11px 12px;font:inherit;border:1px solid #cfd8d1;border-radius:10px;background:#fbfcfb}
.inp input:focus{outline:2px solid var(--brand);border-color:var(--brand);background:#fff}
.inp span{position:absolute;right:12px;top:50%;transform:translateY(-50%);color:var(--muted);font-size:.85rem;pointer-events:none}
.seg{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid #cfd8d1;border-radius:10px;overflow:hidden}
.seg input{position:absolute;opacity:0;pointer-events:none}
.seg label{margin:0;text-align:center;padding:10px 4px;font-weight:600;cursor:pointer;font-size:.9rem;border-right:1px solid #cfd8d1;background:#fbfcfb}
.seg label:last-of-type{border-right:0}
.seg input:checked+label{background:var(--brand);color:#fff}
.seg input:focus-visible+label{outline:2px solid var(--brand-d);outline-offset:-3px}
.btn{display:inline-block;width:100%;margin-top:18px;padding:13px 16px;font:inherit;font-weight:700;color:#fff;background:var(--brand);border:0;border-radius:10px;cursor:pointer}
.btn:hover{background:var(--brand-d)}
.presets{margin-top:12px;font-size:.85rem;color:var(--muted)}
.presets button{font:inherit;font-size:.82rem;background:var(--accent);border:0;color:var(--brand-d);padding:4px 9px;border-radius:999px;margin:3px 2px;cursor:pointer}
.verdict{border-radius:12px;padding:16px 18px;margin-bottom:16px;border:1px solid}
.verdict h2{margin:0 0 4px;font-size:1.35rem}
.verdict p{margin:0}
.v-good{background:#e8f5ee;border-color:#b9dfc9}.v-tight{background:#fdf5e6;border-color:#f0d9a8}.v-no{background:#fbeceb;border-color:#efc2bd}
.rows{display:grid;gap:10px}
.row{display:grid;grid-template-columns:150px 1fr;gap:12px;padding:12px 0;border-top:1px solid var(--line)}
@media (max-width:520px){.row{grid-template-columns:1fr;gap:4px}}
.row h3{margin:0;font-size:.95rem}
.row p{margin:2px 0}
.pill{display:inline-block;font-size:.75rem;font-weight:700;padding:2px 9px;border-radius:999px;color:#fff;vertical-align:middle;margin-left:6px;text-transform:uppercase;letter-spacing:.03em}
.p-good{background:var(--good)}.p-ok{background:var(--ok)}.p-tight,.p-irons{background:var(--tight)}.p-no{background:var(--no)}
.small{font-size:.86rem;color:var(--muted)}
.diagram{margin:6px 0 4px;background:#fbfcfb;border:1px solid var(--line);border-radius:10px;padding:8px}
.empty{color:var(--muted);text-align:center;padding:40px 10px}
.empty svg{width:90px;opacity:.6}
.lm{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:6px}
@media (max-width:520px){.lm{grid-template-columns:1fr}}
.lm div{border:1px solid var(--line);border-radius:10px;padding:8px 10px;font-size:.88rem}
.lm b{display:block}
section.content{padding:10px 0 30px}
.prose{max-width:760px}
.prose h2{margin-top:2em;letter-spacing:-.01em}
.prose h3{margin-top:1.5em}
.prose table{border-collapse:collapse;width:100%;margin:1em 0;font-size:.95rem;background:#fff}
.prose th,.prose td{border:1px solid var(--line);padding:8px 10px;text-align:left;vertical-align:top}
.prose th{background:var(--accent)}
.table-scroll{overflow-x:auto}
.callout{background:var(--accent);border-left:4px solid var(--brand);padding:12px 16px;border-radius:8px;margin:1.2em 0}
.aff{display:inline-flex;align-items:center;gap:6px}
.aff-tag{font-size:.7rem;font-weight:700;text-transform:uppercase;background:#fff3cd;color:#7a5b00;border-radius:4px;padding:1px 5px}
.disclosure{font-size:.85rem;color:var(--muted);background:#fff;border:1px dashed var(--line);border-radius:10px;padding:10px 14px;margin:14px 0}
.cards3{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;margin:18px 0}
.cards3 a{display:block;text-decoration:none;color:var(--ink);background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px;box-shadow:var(--shadow)}
.cards3 a:hover{border-color:var(--brand)}
.cards3 b{display:block;margin-bottom:4px;color:var(--brand-d)}
.faq details{background:#fff;border:1px solid var(--line);border-radius:10px;padding:12px 16px;margin:8px 0}
.faq summary{font-weight:700;cursor:pointer}
ol.sources{font-size:.9rem;padding-left:1.4em}ol.sources li{margin:4px 0}
footer.site{border-top:1px solid var(--line);background:#fff;padding:26px 0;margin-top:30px;font-size:.88rem;color:var(--muted)}
footer.site nav{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:10px}
footer.site a{color:var(--muted)}
.crumbs{font-size:.85rem;color:var(--muted);padding-top:22px}.crumbs a{color:var(--muted)}
@media print{header.site,footer.site,form.calc,.presets{display:none}.grid{display:block}}
@media (max-width:640px){header.site{position:static}nav.main a{padding:4px 8px;font-size:.88rem}}