:root{--ink:#1b2430;--muted:#4a5565;--bg:#fff;--alt:#f3f6f8;--accent:#1f5f8b;--tbd:#fff4d6;--tbdb:#b7791f}
*{box-sizing:border-box}body{margin:0;font:1rem/1.6 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:var(--ink);background:var(--bg)}
.wrap{max-width:46rem;margin:0 auto;padding:0 1.1rem}
.skip{position:absolute;left:-999px}.skip:focus{left:1rem;top:1rem;background:#fff;padding:.5rem;z-index:9}
.banner{background:var(--ink);color:#fff;text-align:center;font-size:.85rem;padding:.4rem}
header{border-bottom:1px solid #dde3e8}header .wrap{display:flex;flex-wrap:wrap;gap:.5rem 1rem;align-items:center;justify-content:space-between;padding:.8rem 1.1rem}
.logo{font-weight:700;letter-spacing:.01em}nav{display:flex;flex-wrap:wrap;gap:.9rem}nav a{color:var(--accent);text-decoration:none;font-size:.95rem}nav a:hover,nav a:focus{text-decoration:underline}
section{padding:2.2rem 0}.alt-bg{background:var(--alt)}h1{font-size:1.75rem;line-height:1.25;margin:0 0 1rem}h2{font-size:1.3rem;margin:1.2rem 0 .6rem}
.lead{font-size:1.08rem;color:var(--muted)}.ctas{display:flex;flex-wrap:wrap;gap:.7rem;margin-top:1.3rem}
.btn{display:inline-block;padding:.7rem 1.1rem;border-radius:6px;background:var(--accent);color:#fff;text-decoration:none;font-weight:600;min-height:44px}.btn.alt{background:#fff;color:var(--accent);border:2px solid var(--accent)}
a:focus-visible,summary:focus-visible{outline:3px solid #f0b429;outline-offset:2px}
.steps li{margin-bottom:.6rem}details{background:#fff;border:1px solid #dde3e8;border-radius:6px;padding:.7rem 1rem;margin:.5rem 0}summary{cursor:pointer;font-weight:600}
.tbd{display:inline-block;background:var(--tbd);border:1px dashed var(--tbdb);padding:.15rem .45rem;border-radius:4px;font-size:.95rem}
footer{border-top:1px solid #dde3e8;color:var(--muted);font-size:.9rem;padding:1rem 0}
@media(min-width:48rem){h1{font-size:2.2rem}section{padding:3rem 0}}
.logo{color:var(--ink);text-decoration:none}nav a[aria-current=page]{font-weight:700;text-decoration:underline}
.hub li{margin-bottom:.7rem}.hub a{color:var(--accent)}
.example{background:#fff;border:2px dashed #8a94a3;border-radius:6px;padding:1rem}.ex-tag{display:inline-block;background:#e6e9ee;color:var(--ink);font-weight:700;letter-spacing:.1em;padding:.1rem .5rem;margin:0 0 .6rem}
dl.meta{display:grid;grid-template-columns:max-content 1fr;gap:.25rem .9rem}dl.meta dt{font-weight:600}dl.meta dd{margin:0}
table{width:100%;border-collapse:collapse;margin:1rem 0}caption{text-align:left;font-weight:600;padding-bottom:.4rem}th,td{text-align:left;padding:.45rem;border-bottom:1px solid #dde3e8;color:var(--ink)}
.note{font-size:.92rem;color:var(--muted)}
.logo{display:inline-flex;align-items:center}.logo img{display:block;height:44px;width:auto}@media(max-width:30rem){.logo img{height:36px}}

/* Batch testing purity grade pills (/standard/ & /tests/) */
.grade{display:inline-flex;align-items:center;gap:6px;font-size:.78rem;font-weight:800;letter-spacing:.03em;padding:3px 11px;border-radius:999px;border:1px solid transparent;vertical-align:middle;white-space:nowrap;line-height:1.4}
.grade-aplus{background:linear-gradient(135deg,#ecfdf5 0%,#fef9c3 100%);color:#065f46;border-color:#d97706;box-shadow:0 1px 2px rgba(217,119,6,.12)}
.grade-pass{background:#dcfce7;color:#166534;border-color:#86efac}
.grade-note{background:#e0f2fe;color:#075985;border-color:#7dd3fc}
.grade-caution{background:#fef3c7;color:#92400e;border-color:#fcd34d}
.grade-fail{background:#fee2e2;color:#991b1b;border-color:#fca5a5}
.batch-badge{display:inline-flex;flex-wrap:wrap;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;background:#fffbeb;border:1.5px solid #d97706;color:#1e293b;font-size:.82rem;font-weight:700}
.batch-badge .batch-meta{font-weight:600;color:#475569;font-size:.76rem;border-left:1px solid #cbd5e1;padding-left:8px}

/* Library index search & verdict filter toolbar + verdict pills */
.lib-toolbar{display:flex;flex-wrap:wrap;gap:.65rem;align-items:center;margin:1rem 0 1.25rem;padding:.75rem .9rem;background:var(--alt);border:1px solid #dde3e8;border-radius:8px}
.lib-search{flex:1 1 16rem;padding:.55rem .8rem;font:inherit;font-size:.95rem;border:1px solid #cbd5e1;border-radius:6px;background:#fff;color:var(--ink)}
.lib-filter-chips{display:flex;flex-wrap:wrap;gap:.4rem}
.lib-chip{font:inherit;font-size:.78rem;font-weight:700;padding:.3rem .7rem;border-radius:999px;border:1px solid #cbd5e1;background:#fff;color:var(--ink);cursor:pointer}
.lib-chip[aria-pressed="true"],.lib-chip.active{background:var(--accent);color:#fff;border-color:var(--accent)}
.ev{display:inline-block;font-size:.72rem;font-weight:800;letter-spacing:.04em;text-transform:uppercase;padding:2px 10px;border-radius:999px;border:1px solid transparent;vertical-align:middle;white-space:nowrap;line-height:1.4}
.ev-strong{background:#4338ca;color:#fff}
.ev-moderate{background:#c7d2fe;color:#312e81}
.ev-limited{background:#fef3c7;color:#92400e;border-color:#fcd34d}
.ev-vlimited{background:#f1f5f9;color:#64748b;border-color:#e2e8f0}
.ev-nohuman,.ev-nostudies{background:#f8fafc;color:#94a3b8;border:1px dashed #cbd5e1}

/* Advertising & Sponsorship rate card + fenced Sponsored disclosure unit */
.rate-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(13.5rem,1fr));gap:1rem;margin:1.25rem 0}
.rate-card{background:#fff;border:1px solid #cbd5e1;border-radius:8px;padding:1.1rem 1.15rem;display:flex;flex-direction:column;justify-content:space-between}
.rate-card.featured{border:2px solid var(--accent);background:#f8fafc}
.rate-tier{font-size:.75rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:var(--accent);margin-bottom:.25rem}
.rate-title{font-size:1.08rem;font-weight:700;color:var(--ink);margin:0 0 .35rem}
.rate-price{font-size:1.45rem;font-weight:800;color:var(--ink);margin:.2rem 0 .6rem}
.rate-price span{font-size:.85rem;font-weight:500;color:var(--muted)}
.rate-card ul{margin:.4rem 0 .8rem;padding-left:1.15rem;font-size:.92rem;color:var(--ink)}
.rate-card li{margin-bottom:.35rem}
.sponsor-slot-demo{background:#f8fafc;border:1.5px dashed #94a3b8;border-radius:8px;padding:.9rem 1.1rem;margin:1rem 0;font-size:.9rem;color:var(--muted)}
.sponsor-badge{display:inline-block;background:#e2e8f0;color:#334155;font-size:.68rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;padding:2px 7px;border-radius:4px;margin-bottom:.4rem}
.advertise-cta{background:var(--alt);border:1px solid #cbd5e1;border-left:4px solid var(--accent);border-radius:8px;padding:1.1rem 1.25rem;margin:1.5rem 0}
.advertise-cta h3{margin:0 0 .4rem;font-size:1.1rem}
.advertise-cta p{margin:.3rem 0}

/* Individual Supporter Membership cards & Use-of-Funds allocation bar */
.member-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(13rem,1fr));gap:1rem;margin:1.1rem 0}
.member-card{background:#fff;border:1px solid #cbd5e1;border-radius:8px;padding:1rem 1.1rem;display:flex;flex-direction:column;justify-content:space-between}
.member-card.highlight{border:2px solid var(--accent);background:#f8fafc}
.member-badge{display:inline-block;align-self:flex-start;background:#e0f2fe;color:#075985;font-size:.7rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase;padding:2px 8px;border-radius:999px;margin-bottom:.35rem}
.member-price{font-size:1.4rem;font-weight:800;color:var(--ink);margin:.15rem 0 .45rem}
.member-price span{font-size:.82rem;font-weight:500;color:var(--muted)}
.funds-box{background:#f8fafc;border:1px solid #cbd5e1;border-radius:8px;padding:1rem 1.15rem;margin:1.25rem 0}
.funds-bar{display:flex;height:14px;border-radius:999px;overflow:hidden;margin:.6rem 0;background:#e2e8f0}
.funds-seg-primary{background:var(--accent);width:80%}
.funds-seg-ops{background:#64748b;width:20%}
.funds-legend{display:flex;flex-wrap:wrap;gap:1rem;font-size:.85rem;color:var(--ink)}
.funds-dot{display:inline-block;width:10px;height:10px;border-radius:50%;margin-right:6px;vertical-align:middle}