@import url('https://fonts.googleapis.com/css2?family=Public+Sans:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500;600;700&display=swap');

:root{
  --bg: #EEF1EF;
  --bg-raised: #FFFFFF;
  --ink: #1B2624;
  --dim: #5E6D69;
  --line: #C7D0CC;
  --line-strong: #9AA7A2;
  --credit: #2B6E52;
  --credit-bg: #E4EEE8;
  --warn: #8A6A2B;
  --warn-bg: #F1E9D8;
  --navy: #23423A;
  --max: 1080px;
}

*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font-family:'Public Sans',system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;font-size:15.5px;line-height:1.6;-webkit-font-smoothing:antialiased}
h1,h2,h3{margin:0;font-weight:700;letter-spacing:-0.01em}
a{color:var(--navy);text-decoration:none}
a:hover{text-decoration:underline}
:focus-visible{outline:2px solid var(--navy);outline-offset:3px}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
.mono{font-family:'IBM Plex Mono',monospace;font-variant-numeric:tabular-nums}

/* nav */
.nav{padding:20px 0;border-bottom:2px solid var(--ink);background:var(--bg)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;gap:18px}
.logo{font-weight:700;font-size:18px;color:var(--ink)}
.logo:hover{text-decoration:none}
.logo span{color:var(--ink)}
.links{display:flex;gap:26px;flex-wrap:wrap;font-size:13.5px;font-weight:500}
.links a{color:var(--dim);transition:color .15s ease}
.links a:hover{color:var(--ink);text-decoration:none;box-shadow:0 1px 0 var(--line-strong)}
@media (max-width:760px){.links{display:none}}

/* article / prose */
.article{max-width:860px;padding:48px 24px 60px}
.article h1{font-size:clamp(1.9rem,4vw,2.6rem);line-height:1.12;letter-spacing:-0.02em}
.article h2{margin-top:38px;font-size:1.4rem}
.article ul{padding-left:22px}
.article li{margin:8px 0}
.lead{font-size:17px;color:var(--dim);max-width:56ch;margin:18px 0 0}
.muted{color:var(--dim)}
.note{color:var(--dim);font-size:12.5px}

/* disclosure callout */
.disclosure{border-left:3px solid var(--warn);background:var(--warn-bg);padding:16px 18px;color:#4A3A18;font-size:14px;line-height:1.65;margin:26px 0}
.disclosure a{color:#4A3A18;text-decoration:underline}

/* cta / buttons */
.cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}
.btn{display:inline-flex;align-items:center;padding:12px 20px;border-radius:0;font-weight:600;font-size:14px;border:1px solid var(--ink);background:var(--ink);color:var(--bg);transition:background .15s ease,border-color .15s ease}
.btn:hover{background:var(--navy);border-color:var(--navy);text-decoration:none}
.btn.secondary{background:transparent;color:var(--ink)}
.btn.secondary:hover{background:var(--bg-raised)}

/* card grid */
.grid{display:grid;gap:18px}
.cards{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));margin:28px 0}
.card{display:block;background:var(--bg-raised);border:1px solid var(--line);padding:20px;transition:border-color .15s ease,transform .15s ease}
a.card:hover{border-color:var(--navy);transform:translateY(-1px);text-decoration:none}
.card h3{margin-top:0;font-size:17px}

/* evidence / comparison tables */
.table{overflow:auto;border:1px solid var(--ink);background:var(--bg-raised)}
.table table{width:100%;border-collapse:collapse;min-width:760px}
th,td{padding:14px 16px;border-bottom:1px solid var(--line);vertical-align:top;text-align:left}
th{font-family:'IBM Plex Mono';font-size:11px;letter-spacing:0.04em;text-transform:uppercase;color:var(--dim);font-weight:600;border-bottom:2px solid var(--ink)}
td{color:var(--ink);font-size:14px}
tbody tr:hover td{background:var(--bg)}

/* calculators */
.calc{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px}
/* Two-column variant so each outcome's odds and commission sit side by side. */
.calc.pairs{max-width:560px}
.calc .span{grid-column:1/-1}
.field{display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--dim)}
.field input{padding:11px 12px;border:1px solid var(--line);background:var(--bg-raised);color:var(--ink);font-family:'IBM Plex Mono';font-size:14px}
.field input:focus-visible{outline:2px solid var(--navy);outline-offset:1px}
.result{margin-top:16px;padding:16px 18px;border:1px solid var(--ink);background:var(--bg-raised);font-size:14.5px;line-height:1.75}
.result strong{font-family:'IBM Plex Mono'}

/* footer */
.footer{border-top:2px solid var(--ink);margin-top:56px;padding:28px 0;color:var(--dim);font-size:13px;line-height:1.65}
.footer strong{color:var(--ink)}
.footer a{text-decoration:underline}

@media (max-width:720px){
  .nav .wrap{flex-wrap:wrap}
  .article{padding-top:32px}
}