:root{--ink:#14202b;--muted:#5b6b78;--line:#dfe6ea;--bg:#f7fafb;--card:#fff;--brand:#0f766e;--brand-2:#115e59;--warn:#9a6700;--warn-bg:#fff8e6;--ok:#116329;--ok-bg:#e9f7ee;--radius:12px}
*{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-2)}
.wrap{max-width:860px;margin:0 auto;padding:0 18px}
.site-header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:56px}
.logo{font-weight:800;text-decoration:none;color:var(--ink);font-size:1.1rem;letter-spacing:-.01em}
.logo-mark{color:var(--brand)}
nav a{margin-left:16px;text-decoration:none;color:var(--muted);font-size:.95rem}
nav a:hover{color:var(--ink)}
.hero{background:linear-gradient(180deg,#e6f4f1,var(--bg));padding:40px 0 18px}
.hero h1{font-size:clamp(1.8rem,5vw,2.6rem);line-height:1.15;margin:0 0 10px;letter-spacing:-.02em}
.lead{font-size:1.1rem;color:var(--muted);max-width:640px;margin:0}
.finder{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px;margin-top:8px;box-shadow:0 6px 24px rgba(20,32,43,.06)}
.tabs{display:flex;gap:6px;margin-bottom:14px;flex-wrap:wrap}
.tab{border:1px solid var(--line);background:#fff;border-radius:999px;padding:8px 14px;font:inherit;font-size:.95rem;cursor:pointer;color:var(--muted)}
.tab.active{background:var(--brand);border-color:var(--brand);color:#fff}
label{display:block;font-weight:600;margin-bottom:6px}
input{font:inherit;padding:12px 14px;border:1px solid #c9d4da;border-radius:10px;width:100%;background:#fff}
input:focus{outline:3px solid #99d5cc;border-color:var(--brand)}
.size-row{display:flex;align-items:center;gap:8px}
.size-row input{width:5.5em;text-align:center}
.hint{color:var(--muted);font-size:.9rem;margin:8px 0 0}
.results{margin-top:12px}
.result{display:block;border:1px solid var(--line);border-radius:10px;padding:12px 14px;margin-top:8px;text-decoration:none;color:inherit;background:#fcfefe}
.result:hover{border-color:var(--brand)}
.result strong{color:var(--brand-2)}
.result .small{display:block}
.none{background:var(--warn-bg);border:1px solid #f0d58a;border-radius:10px;padding:12px 14px;margin-top:8px}
.latest,.how{margin-top:34px}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:12px}
.card{display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px;text-decoration:none;color:inherit}
.card:hover{border-color:var(--brand)}
.card h3{margin:6px 0;font-size:1.05rem;line-height:1.3}
.card p{margin:0 0 8px;color:var(--muted);font-size:.93rem}
.card-cat{font-size:.75rem;text-transform:uppercase;letter-spacing:.06em;color:var(--brand);font-weight:700}
.small{font-size:.85rem;color:var(--muted)}
.article{padding-top:18px;padding-bottom:30px}
.article h1{font-size:clamp(1.6rem,4.5vw,2.2rem);line-height:1.2;margin:.2em 0 .3em;letter-spacing:-.015em}
.article h2{font-size:1.3rem;margin:1.8em 0 .5em}
.crumbs{font-size:.85rem;color:var(--muted)}
.crumbs a{color:var(--muted)}
.meta{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:.85rem}
.badge{border-radius:999px;padding:3px 10px;font-weight:600;font-size:.8rem}
.badge-checked{background:#eef3f6}
.badge-nsf-verified{background:var(--ok-bg);color:var(--ok)}
.badge-nsf-pending{background:var(--warn-bg);color:var(--warn)}
.badge-nsf-not-applicable{background:#eef3f6;color:var(--muted)}
.quick-answer{background:#effaf7;border:1px solid #b9e3da;border-left:5px solid var(--brand);border-radius:var(--radius);padding:4px 18px 10px;margin:16px 0}
.quick-answer h2{margin:.7em 0 .3em;font-size:1rem;text-transform:uppercase;letter-spacing:.06em;color:var(--brand-2)}
.qa-short{font-size:1.08rem;font-weight:600;margin:.2em 0 .5em}
.quick-answer ul{margin:.2em 0 .4em;padding-left:1.2em}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;border:1px solid var(--line);border-radius:10px;background:#fff}
table{border-collapse:collapse;width:100%;font-size:.93rem}
th,td{text-align:left;padding:9px 12px;border-bottom:1px solid var(--line);vertical-align:top}
th{background:#f2f6f8;font-weight:700;white-space:nowrap}
tr:last-child td{border-bottom:0}
td.nsf-pending{color:var(--warn)}
td.nsf-verified{color:var(--ok)}
td.nsf-mismatch{color:#b42318}
.prose p,.prose li{max-width:70ch}
.buy-list{list-style:none;padding:0}
.buy-list li{background:#fff;border:1px solid var(--line);border-radius:10px;padding:12px 14px;margin-bottom:8px}
.buy-list li.slot{border:2px dashed #e0a800;background:var(--warn-bg)}
.slot-tag{display:inline-block;font-size:.7rem;font-weight:800;letter-spacing:.06em;color:var(--warn);margin-right:6px}
.pill{font-size:.72rem;background:#eef3f6;border-radius:999px;padding:2px 8px;margin-left:4px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:10px;padding:10px 14px;margin-bottom:8px}
.faq summary{font-weight:600;cursor:pointer}
.unverified{background:var(--warn-bg);border:1px solid #f0d58a;border-radius:var(--radius);padding:2px 18px 8px;margin-top:24px}
.sources ol{padding-left:1.2em;font-size:.92rem}
.sources li{margin-bottom:6px;word-break:break-word}
sup.cite a{text-decoration:none;font-size:.75em}
.site-footer{border-top:1px solid var(--line);margin-top:40px;padding:20px 0;background:#fff}
.site-footer p{margin:.4em 0}
@media (max-width:560px){nav a{margin-left:10px;font-size:.88rem}.hero{padding-top:26px}.finder{padding:14px;border-radius:0;border-left:0;border-right:0}.finder.wrap{padding:14px}}