@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Manrope:wght@400;500;600;700;800&display=swap');
:root{--ink:#182e2a;--muted:#61726b;--paper:#fbfaf6;--line:#dce2da;--green:#1c5947;--soft:#eaf0e7;--mint:#cce6d4}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:'DM Sans',Arial,sans-serif;font-size:16px;line-height:1.65}h1,h2,h3,h4{font-family:Manrope,Arial,sans-serif;color:var(--ink);line-height:1.16;letter-spacing:-.045em;font-weight:600}h1{font-size:clamp(40px,5vw,72px);max-width:900px;margin:20px 0 24px}h2{font-size:34px;margin:0 0 18px}h3{font-size:23px}p{margin:0 0 18px}a{color:inherit;text-decoration:none}a:hover{text-decoration:underline;text-underline-offset:4px}button,input,select,textarea{font:inherit}button,a,input,select,textarea,summary{outline-offset:5px}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid #3d8b69}button{cursor:pointer}img{display:block;max-width:100%}header.wrap{display:flex;justify-content:space-between;align-items:center;max-width:1320px;padding:25px 36px;margin:0 auto;border-bottom:1px solid var(--line);gap:32px}.brand{font-family:Manrope,Arial,sans-serif;font-size:28px;font-weight:800;letter-spacing:-1.7px;line-height:1.1;color:var(--ink);display:block;white-space:nowrap}.brand span{color:var(--green)}.brand small{display:none}#site-navigation{display:flex;align-items:center;gap:30px;font-size:14px;font-weight:600}#site-navigation a{white-space:nowrap}.menu-toggle{display:none;background:transparent;border:1px solid var(--line);border-radius:30px;padding:10px 17px;color:var(--ink)}.wrap{max-width:1248px;margin:0 auto;padding:0 36px}.skip-link{position:fixed;top:-100px;left:20px;z-index:999;background:#fff;padding:12px}.skip-link:focus{top:10px}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}[hidden]{display:none!important}.trustpilot-toplink,.trustpilot-write{display:none}.section{padding-top:70px;padding-bottom:50px}.eyebrow{font-size:12px;text-transform:uppercase;letter-spacing:.16em;font-weight:700;color:var(--green);margin-bottom:18px}.caption,.card-caption{font-size:12px;line-height:1.6;color:var(--muted)}.editorial-lead{font-size:21px;max-width:760px;color:#52665d;line-height:1.6}.pill,.actions a{display:inline-flex;align-items:center;justify-content:center;background:var(--green);color:white;border:1px solid var(--green);border-radius:50px;padding:13px 24px;font-size:14px;font-weight:600;min-height:46px}.pill.light{background:transparent;color:var(--green);border-color:#b9c8bd}.actions{display:flex;gap:12px;flex-wrap:wrap;margin:25px 0}.editorial-note,.review-banner,.math-calc{background:var(--soft);color:var(--ink);border:0;border-radius:18px;padding:28px;margin:28px 0}.editorial-note p,.review-banner p,.math-calc p{color:#405c4f}.editorial-note h2{font-size:28px}.science-grid,.evidence-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}.science-card,.evidence-grid article{background:transparent;border:0;border-top:1px solid var(--line);padding:26px 0;border-radius:0}.science-card h2{font-size:27px}.education-links{display:flex;gap:12px;flex-wrap:wrap;margin:30px 0}.education-links a{border:1px solid #bdcdc1;border-radius:40px;padding:10px 18px;font-size:14px}.topic-questions{max-width:850px}.topic-questions dt{font-weight:700;margin-top:24px}.topic-questions dd{margin:8px 0 24px;color:#52665d}.discovery-shell{max-width:1320px;margin:auto;padding:28px 36px 80px}.compact-preview{font-size:12px;color:#708276;border:0;margin:0 0 18px}.discovery-intro{display:grid;grid-template-columns:1.2fr .8fr;align-items:center;gap:60px;margin:22px 0 52px}.discovery-intro h1{font-size:clamp(44px,5vw,68px);max-width:720px}.discovery-intro p{color:#5c7066}.discovery-intro .intro-copy{font-size:18px;max-width:430px}.discovery-tabs{display:flex;gap:30px;flex-wrap:wrap;margin:30px 0 26px;border-bottom:1px solid var(--line)}.discovery-tabs button{border:0;border-bottom:3px solid transparent;border-radius:0;padding:12px 0 16px;background:transparent;color:var(--muted);font-weight:600;font-size:15px}.discovery-tabs button[aria-pressed=true]{color:var(--green);background:transparent;border-bottom-color:var(--green)}.discovery-tools{display:grid;grid-template-columns:1fr 200px 200px;gap:12px;margin:24px 0}.discovery-tools input,.discovery-tools select{padding:13px 16px;border:1px solid #d8e1d7;background:white;color:var(--ink);border-radius:12px;min-width:0}.directory-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:36px 24px}.directory-card{border:0;padding-bottom:8px}.directory-image{aspect-ratio:1.1;overflow:hidden;border-radius:16px;background:#edf0e8;transition:transform .2s}.directory-image:hover{transform:translateY(-3px)}.directory-image img{width:100%;height:100%;object-fit:contain}.directory-card h2{font-size:21px;letter-spacing:-.03em;margin:17px 0 8px;line-height:1.25}.directory-card p{font-size:14px;line-height:1.5;margin:6px 0}.seller-line{color:#44715b;font-size:12px!important;font-weight:600}.directory-card .card-caption{font-size:11px!important;color:#839186}.directory-card button{padding:9px 18px;min-height:40px;font-size:12px;margin-top:10px}.directory-meta{display:flex;justify-content:space-between;gap:20px;margin:12px 0 26px}.directory-count{font-size:13px;color:var(--muted)}#directory-more{margin:35px auto;display:block}.compare-strip{position:sticky;bottom:16px;background:#1d5948;color:white;padding:17px 24px;border-radius:14px;display:flex;justify-content:space-between;gap:16px;z-index:8;box-shadow:0 8px 30px #122e1f22}.compare-strip a{color:white}.no-results{padding:32px;background:var(--soft);border-radius:14px;grid-column:1/-1}.chat-layout{max-width:820px;margin:40px auto}.chat-welcome{font-size:42px}.chat-layout>p{color:var(--muted)}.chat-model{background:#edf1e8;border-radius:16px;padding:22px}.chat-model button{background:var(--green);color:white;border:0;border-radius:30px;padding:12px 20px}.chat-model p{margin:12px 0 0}.chat-log{display:grid;gap:20px;margin:28px 0}.chat-bubble{border:0;border-radius:20px;padding:24px;background:#f0f3ec}.chat-bubble.user{background:#dceadd;margin-left:15%;color:#254c37}.chat-bubble.assistant{background:white;border:1px solid var(--line);margin-right:3%}.chat-form{border:1px solid #c9d8cb;border-radius:22px;background:white;padding:18px;display:flex;gap:20px;align-items:end;box-shadow:0 10px 30px #1e4b3020}.chat-form textarea{background:transparent;color:var(--ink);width:100%;border:0;resize:vertical;min-height:70px;outline:none}.chat-form button{background:var(--green);color:white;border:0;border-radius:28px;padding:13px 22px;white-space:nowrap}.chat-hints{display:flex;gap:10px;flex-wrap:wrap;margin:24px 0}.chat-hints button{background:transparent;border:1px solid #c8d4c7;color:#42624e;border-radius:30px;padding:10px 17px;font-size:13px}.chat-results{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin:20px 0}.chat-result{display:flex;gap:13px;align-items:center;font-size:13px}.chat-result img{width:76px;height:76px;border-radius:12px;background:#eef2e9}.merchant-options,.partner-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:30px}.merchant-option,.partner-card{border-top:1px solid var(--line);padding:26px 0}.merchant-option h2,.partner-card h2{font-size:28px}.partner-status{font-size:12px!important;font-weight:700;color:var(--green)!important;letter-spacing:.07em;text-transform:uppercase}.partner-links{display:flex;gap:14px;flex-wrap:wrap;font-size:13px;color:var(--green)}details{margin:22px 0}summary{min-height:44px;display:flex;align-items:center;font-weight:600;cursor:pointer}summary:before{content:'+ ';margin-right:10px}.ready-list li{padding:8px 0}.math-calc input{background:white;color:var(--ink);border:1px solid #b9cabb;border-radius:10px;padding:12px;max-width:100%}.math-calc label{display:block;margin:15px 0 8px}.math-calc output{display:block;font-size:26px;font-weight:600;margin:22px 0}.product-snapshot{display:grid;grid-template-columns:1fr 1.2fr;gap:60px;padding:45px 0}.product-snapshot img{width:100%;border-radius:22px;background:#edf0e8}.product-snapshot h1{font-size:52px}.referral-flow{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;margin:35px 0}.referral-flow>div{border-top:2px solid #538469;padding-top:20px}.referral-flow strong{display:block;font-size:18px;margin-bottom:14px}.disabled-offer{background:#e6ece1;border-radius:30px;padding:14px 20px;display:block}.buy-state{color:var(--muted);font-size:12px}footer{margin:60px 0 0;padding:54px 0;background:#eaf0e5;border:0;font-size:13px;color:#5a7262}footer .brand{font-size:26px}footer p{max-width:560px}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:80px}footer>p{max-width:1248px;padding:0 36px;margin:20px auto 0}footer .caption{color:#6b806f}.hero-art,.launch-banner,.hero-interest{display:none!important}main:not(.discovery-shell){min-height:65vh}.content,.prose{max-width:850px}.note{background:var(--soft);padding:24px;border-radius:14px}.review-banner p,.math-calc p,.math-calc label,.math-calc output{color:var(--ink)!important}.review-banner a{color:var(--green)!important}
@media(max-width:1050px){.directory-grid{grid-template-columns:repeat(3,minmax(0,1fr))}#site-navigation{gap:18px}.discovery-intro{gap:30px}.discovery-tools{grid-template-columns:1fr 170px 170px}}@media(max-width:720px){header.wrap{padding:20px 22px;gap:12px}.brand{font-size:26px}.menu-toggle{display:block}#site-navigation{display:none;position:absolute;top:77px;left:14px;right:14px;background:var(--paper);border:1px solid var(--line);padding:20px;border-radius:18px;z-index:20;box-shadow:0 15px 30px #173d3020}#site-navigation.is-open{display:grid}#site-navigation a{padding:9px 0}.wrap{padding:0 22px}.discovery-shell{padding:22px 22px 55px}.discovery-intro{display:block;margin:12px 0 34px}.discovery-intro h1{font-size:43px;line-height:1.1}.discovery-intro .intro-copy{font-size:16px;margin-top:24px}.discovery-tabs{gap:20px;margin:24px 0}.discovery-tabs button{font-size:13px;padding:8px 0 14px}.discovery-tools{grid-template-columns:1fr 1fr;gap:10px}.discovery-tools input{grid-column:1/-1}.discovery-tools select{width:100%;font-size:13px;padding:12px 10px}.directory-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:30px 14px}.directory-image{border-radius:12px}.directory-card h2{font-size:17px}.directory-card p{font-size:12px}.directory-card .card-caption{font-size:10px!important}.directory-meta{display:block;margin-bottom:20px}.directory-meta p{margin:5px 0}.directory-card button{padding:8px 14px}.section{padding-top:42px;padding-bottom:30px}.science-grid,.evidence-grid,.merchant-options,.partner-grid,.referral-flow,.product-snapshot,.footer-grid{grid-template-columns:1fr;gap:24px}.editorial-lead{font-size:18px}.science-card h2{font-size:26px}.chat-welcome{font-size:34px}.chat-results{grid-template-columns:1fr}.chat-form{display:block}.chat-form button{width:100%;margin-top:12px}.chat-bubble{padding:18px}.chat-bubble.user{margin-left:8%}.chat-bubble.assistant{margin-right:0}.chat-hints{gap:8px}.chat-hints button{font-size:12px;padding:10px 12px}.chat-model{padding:18px}.chat-model button{font-size:13px}.compare-strip{font-size:12px;padding:14px 16px}.product-snapshot{padding:20px 0}.product-snapshot h1{font-size:38px}.math-calc output{font-size:22px}h2{font-size:29px}.editorial-note,.review-banner,.math-calc{padding:22px}.footer-grid{gap:25px}footer{padding:38px 0}.education-links a{font-size:13px}}
.directory-image{display:block;width:100%;aspect-ratio:1/1}.directory-grid{align-items:start}.directory-card{display:block;min-width:0}#directory-more{display:flex;margin:38px auto 30px}#directory-compare{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}#directory-compare .directory-image{aspect-ratio:1.2}#compare-strip{margin-top:30px}.compact-preview{clear:both;margin:40px 0 0}.directory-section>p{max-width:720px}#partners-view h2{margin:25px 0 15px}#chat-view{padding:20px 0 30px}.chat-layout{padding:10px 0}.directory-notice{font-size:12px;color:var(--muted);margin:15px 0}.directory-section h1{font-size:46px}.directory-section button{max-width:100%}.directory-grid .pill{display:inline-flex}@media(max-width:720px){#directory-compare{grid-template-columns:repeat(2,minmax(0,1fr))}.directory-tabs{gap:15px}.discovery-tabs button{min-height:44px}.discovery-tabs{gap:18px}.directory-grid{gap:28px 14px}.directory-card p{overflow-wrap:anywhere}.directory-card h2{overflow-wrap:anywhere}.directory-card .pill{font-size:11px;padding:8px 12px}}
.catalog-hierarchy{display:flex;gap:32px;align-items:baseline;margin:30px 0 12px}.catalog-hierarchy h2{font-size:24px;white-space:nowrap;letter-spacing:-.03em}.catalog-hierarchy p{font-size:13px;color:var(--muted);max-width:530px}.discovery-tabs .compare-tab{margin-left:auto}.directory-card .card-caption{display:none}.discovery-tabs{gap:24px}@media(max-width:720px){.discovery-tabs{gap:13px;flex-wrap:nowrap}.discovery-tabs button{font-size:11px;white-space:nowrap}.catalog-hierarchy{display:block;margin:25px 0 5px}.catalog-hierarchy h2{font-size:23px;margin-bottom:9px}.catalog-hierarchy p{font-size:12px}.discovery-tabs .compare-tab{margin-left:auto}}
.detail{display:grid;grid-template-columns:1fr 1.2fr;gap:64px;align-items:start;padding:35px 0 60px}.product-art{position:sticky;top:25px}.product-art .image{border-radius:22px;background:#edf0e8;overflow:hidden}.product-art img{width:100%}.product-art .caption{margin-top:15px}.product-info h1{font-size:52px;margin:12px 0 30px}.product-pricing{padding:25px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-bottom:25px}.product-pricing label{display:block;font-size:14px;margin:15px 0 8px}.product-pricing select,.product-pricing input{background:white;color:var(--ink);border:1px solid #cbd8cc;border-radius:10px;padding:12px 15px}.product-pricing select{width:100%}.product-pricing input{width:100px}.variant-price{font-size:28px;font-weight:500;margin:18px 0}.purchase-compare-actions{display:flex;gap:18px;flex-wrap:wrap;align-items:center;margin-top:20px}.compare-link{font-size:13px}.test-mode-note{font-size:12px;color:var(--muted);margin-top:16px}.origin-note{padding:14px 20px;margin:24px 0}.facts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:20px 0;margin:26px 0;font-size:13px}.fact small{display:block;color:var(--muted);margin-bottom:8px;font-size:11px}.muted{color:var(--muted);font-size:13px}.product-info details{border-bottom:1px solid var(--line);padding-bottom:12px}.product-info details p{font-size:14px;color:#5b6e60}.crumb{font-size:13px;margin:25px 0 0}.chat-bubble a{text-decoration:underline;text-underline-offset:3px}.chat-result{text-decoration:none!important}.chat-bubble .caption a{color:#4b7460}.chat-model{background:transparent;padding:0;color:var(--muted);font-size:12px}.chat-model p{margin:10px 0}.chat-layout{margin-top:25px}.review-banner{display:none}.chat-log{scroll-margin-top:20px}.skip-link{transform:translateY(-200px);top:0!important}.skip-link:focus{transform:translateY(0)}@media(max-width:720px){.detail{grid-template-columns:1fr;gap:25px;padding-top:25px}.product-art{position:static}.product-art .image{max-width:390px;margin:auto}.product-info h1{font-size:42px}.facts{grid-template-columns:1fr}.fact{display:flex;justify-content:space-between;gap:20px}.fact small{min-width:100px}.product-info details summary{font-size:15px}.chat-welcome{font-size:31px}.chat-layout{margin-top:12px}}
.chat-price-facts{border-top:1px solid var(--line);margin-top:25px;padding-top:18px}.chat-price-facts h3{font-size:19px;margin:0 0 12px}.price-fact{display:flex;justify-content:space-between;gap:22px;padding:10px 0;border-bottom:1px solid #e8eee4;font-size:13px}.chat-price-facts .caption{margin-top:15px}.skip-link:not(:focus){display:none}@media(max-width:720px){.price-fact{display:block}.price-fact span{display:block}.price-fact span+span{color:var(--muted);margin-top:5px}}
.affiliate-lower{border-top:1px solid var(--line);margin:70px 0 20px;padding:45px 0 10px;max-width:800px}.affiliate-lower h2{font-size:38px}.affiliate-lower>p{max-width:700px}.research-visual{margin:40px 0 45px}.research-visual img{width:100%;max-height:400px;object-fit:cover;border-radius:20px}.research-visual figcaption{font-size:11px;color:var(--muted);margin-top:9px}.science-grid{margin-top:35px}@media(max-width:720px){.research-visual{margin:28px 0}.research-visual img{height:220px}.affiliate-lower{margin-top:45px;padding-top:30px}.affiliate-lower h2{font-size:29px}}
.compare-detail-link{display:inline-block;font-size:13px;text-decoration:underline;margin:15px 0}.directory-card details p{font-size:12px}.directory-card details summary{font-size:13px}.directory-card .seller-line{min-height:18px}.chat-bubble p{white-space:pre-line}
#clear-chat{margin-top:20px;margin-bottom:14px}.chat-form+.pill{margin-top:20px}.chat-privacy{margin:30px 0 20px;font-size:12px;line-height:1.65}.chat-privacy a{text-decoration:underline}
.shop-categories{margin:25px 0 32px}.category-heading{display:flex;align-items:baseline;justify-content:space-between;gap:20px}.category-heading h2{font-size:26px;margin:0 0 12px}.category-heading a{font-size:12px;text-decoration:underline}.category-cards{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}.category-chip{border:1px solid #ccdacb;background:transparent;color:#385a45;padding:12px 18px;border-radius:30px;font-size:13px;min-height:44px}.category-chip[aria-pressed=true]{background:var(--green);color:white;border-color:var(--green)}.chat-navigation{display:flex;gap:10px;flex-wrap:wrap;margin:20px 0 10px}.chat-navigation a{font-size:12px;padding:11px 16px}@media(max-width:720px){.category-heading{display:block}.category-heading h2{font-size:25px}.category-heading a{display:inline-block;margin-bottom:14px}.category-cards{gap:9px}.category-chip{font-size:12px;padding:10px 15px}}
.review-topbar{background:#eaf0e5;padding:8px 22px;text-align:center;font-size:12px;color:#31523c;border-bottom:1px solid #dce5d8}.review-topbar a{font-weight:600}.review-topbar span{font-weight:400;margin-left:12px;color:#5e7462}@media(max-width:720px){.review-topbar{font-size:11px;padding:9px 10px}.review-topbar span{margin-left:7px}#site-navigation{top:112px}}

.directory-section{scroll-margin-bottom:100px}#chat-view{padding-bottom:100px}#compare-view{padding-bottom:90px}.product-pricing .compare-link{display:inline-block;margin:12px 0 0 16px}

.chat-result>span{display:grid;gap:3px;min-width:0}.chat-result strong{font-size:14px}.chat-result small{font-size:11px;line-height:1.5;color:var(--muted);overflow-wrap:anywhere}.chat-card-price{font-size:12px;color:var(--muted)}
