.ch{--ch-accent:#5b2a4e;--ch-soft:#f3ecf1;--ch-ink:#45203b}.ch--metabolic{--ch-accent:#1f665e;--ch-soft:#eaf3f1;--ch-ink:#174f49}.ch--regen{--ch-accent:#6d432d;--ch-soft:#f5eee9;--ch-ink:#57331f}.ch--longevity{--ch-accent:#343d86;--ch-soft:#eceef8;--ch-ink:#292f68}.ch .wrap{padding-top:30px}.ch-hero{border-bottom:1px solid var(--line);grid-template-columns:minmax(0,1.08fr) minmax(360px,.92fr);align-items:center;gap:clamp(32px,6vw,76px);padding:8px 0 56px;display:grid}.ch-hero h1{letter-spacing:-.04em;text-wrap:balance;max-width:15ch;margin:0;font-size:clamp(38px,5.4vw,66px);font-weight:700;line-height:1}.ch-lede{max-width:62ch;color:var(--ink);text-wrap:pretty;margin:20px 0 0;font-size:18px;line-height:1.65}.ch-proof{flex-wrap:wrap;gap:8px;margin-top:24px;display:flex}.ch-proof span{border:1px solid var(--line2);color:var(--muted);font:11.5px var(--font-mono);border-radius:999px;padding:7px 11px}.ch-proof span:first-child{border-color:var(--ch-accent);background:var(--ch-accent);color:#fff}.ch-specimens{border-block:1px solid var(--line);background:var(--ch-soft);grid-template-columns:repeat(3,minmax(0,1fr));align-items:end;min-height:390px;display:grid}.ch-specimen{border-right:1px solid color-mix(in srgb,var(--ch-accent) 18%,transparent);min-width:0;height:100%;color:var(--ink);flex-direction:column;justify-content:flex-end;padding:18px 12px;text-decoration:none;display:flex;position:relative}.ch-specimen:last-child{border-right:0}.ch-specimen img{object-fit:contain;width:100%;height:250px;transition:transform .35s cubic-bezier(.22,1,.36,1)}.ch-specimen:hover img{transform:translateY(-5px)}.ch-specimen strong{font-size:15px;line-height:1.2}.ch-specimen small{color:var(--muted);font:10.5px/1.45 var(--font-mono);margin-top:4px}.ch-section{border-bottom:1px solid var(--line);padding:54px 0}.ch-section h2{letter-spacing:-.035em;text-wrap:balance;max-width:28ch;margin:0;font-size:clamp(25px,3vw,34px);font-weight:700;line-height:1.06}.ch-copy{max-width:72ch;color:var(--muted);text-wrap:pretty;margin:18px 0 0;font-size:16.5px;line-height:1.74}.ch-copy strong{color:var(--ink)}.ch-copy a{color:var(--ch-ink);text-underline-offset:3px}.ch-mechanisms{border-top:1px solid var(--line);margin:28px 0 0}.ch-mechanisms>div{border-bottom:1px solid var(--line);grid-template-columns:minmax(190px,.45fr) minmax(0,1.55fr);gap:28px;padding:19px 0;display:grid}.ch-mechanisms dt{color:var(--ink);font-size:15px;font-weight:700}.ch-mechanisms dd{color:var(--muted);margin:0;font-size:14.5px;line-height:1.68}.ch-mechanisms a{color:var(--ch-ink);text-underline-offset:3px}.ch-products{border-top:1px solid var(--line);margin-top:30px}.ch-product{border-bottom:1px solid var(--line);grid-template-columns:120px minmax(0,1fr) minmax(150px,.42fr) auto;align-items:center;gap:24px;padding:22px 0;display:grid}.ch-product img{object-fit:contain;background:var(--ch-soft);width:112px;height:112px}.ch-product h3{letter-spacing:-.025em;margin:0;font-size:21px}.ch-product p{max-width:54ch;color:var(--muted);margin:7px 0 0;font-size:14px;line-height:1.58}.ch-product-meta{color:var(--muted);font:11.5px/1.45 var(--font-mono);gap:6px;display:grid}.ch-product-meta strong{color:var(--ink);font-size:15px}.ch-product a.ch-button{border:1px solid var(--ch-accent);color:var(--ch-ink);white-space:nowrap;border-radius:999px;padding:11px 17px;font-size:13px;font-weight:650;text-decoration:none}.ch-product a.ch-button:hover{background:var(--ch-accent);color:#fff}.ch-table-wrap{border-block:1px solid var(--line);margin-top:28px;overflow-x:auto}.ch-table{border-collapse:collapse;text-align:left;width:100%;min-width:720px}.ch-table th,.ch-table td{border-bottom:1px solid var(--line);vertical-align:top;padding:15px 14px}.ch-table th{color:var(--ch-ink);font:11.5px var(--font-mono);text-transform:uppercase}.ch-table td{color:var(--muted);font-size:14px;line-height:1.55}.ch-table td:first-child{color:var(--ink);font-weight:700}.ch-table tr:last-child td{border-bottom:0}.ch-links{border:1px solid var(--line);background:var(--line);grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;margin-top:28px;display:grid}.ch-links a{min-height:120px;color:var(--ink);background:#fff;padding:20px;text-decoration:none;display:block}.ch-links small{color:var(--ch-ink);font:11px var(--font-mono);margin-bottom:10px;display:block}.ch-links strong{font-size:16px;line-height:1.3}.ch-links span{color:var(--muted);margin-top:8px;font-size:13.5px;line-height:1.55;display:block}.ch-links a:hover strong{text-underline-offset:4px;text-decoration:underline}.ch-faq{border-top:1px solid var(--line);margin-top:24px}.ch-faq details{border-bottom:1px solid var(--line)}.ch-faq summary{cursor:pointer;justify-content:space-between;gap:16px;padding:18px 0;font-weight:650;list-style:none;display:flex}.ch-faq summary::-webkit-details-marker{display:none}.ch-faq summary:after{content:"+";color:var(--ch-ink);font:18px var(--font-mono)}.ch-faq details[open] summary:after{content:"−"}.ch-faq p{max-width:72ch;color:var(--muted);padding:0 0 18px;font-size:14.5px;line-height:1.7}.ch-end{background:var(--brand-2);color:#fff;justify-content:space-between;align-items:center;gap:24px;margin:32px 0 0;padding:26px 28px;display:flex}.ch-end h2{margin:0;font-size:22px}.ch-end p{color:#d9c4d3;margin:7px 0 0;font-size:14px}.ch-end a{background:var(--accent);color:#3a2706;white-space:nowrap;border-radius:999px;padding:12px 18px;font-size:14px;font-weight:700;text-decoration:none}@media (width<=900px){.ch-hero{grid-template-columns:1fr}.ch-specimens{min-height:340px}.ch-product{grid-template-columns:96px 1fr auto}.ch-product img{width:88px;height:96px}.ch-product-meta{grid-column:2}.ch-links{grid-template-columns:1fr}}@media (width<=620px){.ch-hero h1{font-size:42px}.ch-specimens{min-height:280px}.ch-specimen{padding:12px 7px}.ch-specimen img{height:185px}.ch-product{grid-template-columns:76px 1fr;gap:14px}.ch-product img{width:72px;height:82px}.ch-product-meta{grid-column:2}.ch-product a.ch-button{text-align:center;grid-column:1/-1}.ch-mechanisms>div{grid-template-columns:1fr;gap:7px}.ch-end{flex-direction:column;align-items:flex-start}}@media (prefers-reduced-motion:reduce){.ch-specimen img{transition:none}}