:root{
  --ink:#2b2b33; --muted:#6b7280; --bg:#fbf9f7; --card:#fff;
  --accent:#e5739a; --accent-d:#c24c79; --line:#ece7e2; --max:720px;
}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Inter,sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.65}
.site-header{border-bottom:1px solid var(--line);background:var(--card)}
.brand{display:inline-block;padding:16px 22px;color:var(--ink);text-decoration:none;font-size:20px;letter-spacing:-.02em}
.brand strong{color:var(--accent-d)}
.lab-badge{font-size:11px;background:var(--accent);color:#fff;border-radius:6px;padding:2px 6px;vertical-align:middle;text-transform:uppercase;letter-spacing:.08em}
.site-main{max-width:var(--max);margin:0 auto;padding:32px 22px 64px}
.site-footer{max-width:var(--max);margin:0 auto;padding:24px 22px;color:var(--muted);font-size:13px;border-top:1px solid var(--line)}
h1,h2,h3{line-height:1.25;letter-spacing:-.02em}
.page__title{font-size:32px;margin:0 0 8px}
.page__body img{max-width:100%;height:auto;border-radius:10px}
.premium-flag,.tag--premium{display:inline-block;background:#fde68a;color:#92400e;font-size:12px;padding:2px 8px;border-radius:999px}
/* lead form */
.lead-form{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px;margin:24px 0;display:flex;flex-direction:column;gap:10px;box-shadow:0 1px 0 rgba(0,0,0,.02)}
.lead-form__email{padding:13px 14px;border:1px solid #d8d2cb;border-radius:10px;font-size:16px}
.lead-form__btn,.payment-link{display:inline-block;text-align:center;background:var(--accent);color:#fff;border:0;
  padding:14px 18px;border-radius:10px;font-size:16px;font-weight:600;cursor:pointer;text-decoration:none}
.lead-form__btn:hover,.payment-link:hover{background:var(--accent-d)}
.lead-form__disclamer{margin:0;color:var(--muted);font-size:12px;text-align:center}
.payment-link{margin:18px 0}
/* toc */
.toc{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 18px;margin:20px 0}
.toc__title{font-weight:700;font-size:13px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin-bottom:6px}
.toc__list{margin:0;padding-left:18px}
.toc__h3{margin-left:14px;list-style:circle}
/* index */
.page-index{list-style:none;padding:0;margin:24px 0}
.page-index li{padding:10px 0;border-bottom:1px solid var(--line)}
.page-index a{color:var(--accent-d);text-decoration:none;font-weight:500}
.tag{font-size:11px;border-radius:999px;padding:2px 8px;margin-left:8px;background:#eee;color:#555}
.tag--fertility{background:#dcfce7;color:#166534}.tag--parenting{background:#dbeafe;color:#1e40af}
.home-intro h1{font-size:28px;margin-bottom:6px}
code{background:#f1ece7;padding:1px 6px;border-radius:5px;font-size:.9em}
/* funnel overview */
.section{margin-top:40px;border-top:1px solid var(--line);padding-top:18px;font-size:20px}
.funnel-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:14px;margin:20px 0}
.funnel-card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px}
.funnel-card__head h3{margin:6px 0 0;font-size:16px}
.funnel-stats{display:flex;gap:14px;flex-wrap:wrap;margin:12px 0;font-size:13px;color:var(--muted)}
.funnel-stats b{color:var(--ink);font-size:16px}
.funnel-stats .win b{color:#166534}
.funnel-meta{font-size:12px;color:var(--muted);line-height:1.9}
.funnel-meta code{font-size:11px}
.dupe{background:#fee2e2;color:#991b1b;border-radius:4px;padding:0 5px;font-size:10px}