@font-face{font-family:Newsreader Variable;font-style:normal;font-display:swap;font-weight:200 800;src:url(../media/newsreader-vietnamese-opsz-normal.34xvym30q9ss9.woff2)format("woff2-variations");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Newsreader Variable;font-style:normal;font-display:swap;font-weight:200 800;src:url(../media/newsreader-latin-ext-opsz-normal.1xxc-t8a16su6.woff2)format("woff2-variations");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Newsreader Variable;font-style:normal;font-display:swap;font-weight:200 800;src:url(../media/newsreader-latin-opsz-normal.1pv2gabaqveyu.woff2)format("woff2-variations");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:Newsreader Variable;font-style:italic;font-display:swap;font-weight:200 800;src:url(../media/newsreader-vietnamese-opsz-italic.2cdn4pt2rqmmk.woff2)format("woff2-variations");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Newsreader Variable;font-style:italic;font-display:swap;font-weight:200 800;src:url(../media/newsreader-latin-ext-opsz-italic.06gyndi8x7-vl.woff2)format("woff2-variations");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Newsreader Variable;font-style:italic;font-display:swap;font-weight:200 800;src:url(../media/newsreader-latin-opsz-italic.15gv-gmajdxy8.woff2)format("woff2-variations");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(../media/inter-cyrillic-ext-wght-normal.1zrieox9119mb.woff2)format("woff2-variations");unicode-range:U+460-52F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(../media/inter-cyrillic-wght-normal.2whpih27xg_2r.woff2)format("woff2-variations");unicode-range:U+301,U+400-45F,U+490-491,U+4B0-4B1,U+2116}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(../media/inter-greek-ext-wght-normal.1xlj4-0oa5zql.woff2)format("woff2-variations");unicode-range:U+1F??}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(../media/inter-greek-wght-normal.1fxkn-ggzj93z.woff2)format("woff2-variations");unicode-range:U+370-377,U+37A-37F,U+384-38A,U+38C,U+38E-3A1,U+3A3-3FF}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(../media/inter-vietnamese-wght-normal.1ahvy37o8m5gt.woff2)format("woff2-variations");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(../media/inter-latin-ext-wght-normal.2ktx6yqc-sbf1.woff2)format("woff2-variations");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(../media/inter-latin-wght-normal.0rpdhg_4ubdtf.woff2)format("woff2-variations");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
:root{--paper:#f7f4ee;--paper-2:#efeae0;--card:#fcfaf6;--ink:#1b1d1a;--ink-2:#33362f;--muted:#666a61;--rule:#ddd6c8;--rule-strong:#1b1d1a;--green:#1f4d3f;--green-2:#2d6a57;--green-soft:#e3ece6;--oxblood:#7a2e2a;--brass:#9a7a42;--brass-soft:#f3ead7;--radius:4px;--max:1200px;--serif:"Newsreader Variable", "Iowan Old Style", "Palatino Linotype", Georgia, serif;--sans:"Inter Variable", ui-sans-serif, -apple-system, "Segoe UI", Roboto, Arial, sans-serif}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{background:var(--paper);color:var(--ink);font:17px/1.65 var(--serif);font-optical-sizing:auto;margin:0}a{color:var(--green);text-underline-offset:3px;text-decoration:underline;text-decoration-thickness:1px;-webkit-text-decoration-color:color-mix(in srgb, var(--green) 45%, transparent);text-decoration-color:color-mix(in srgb, var(--green) 45%, transparent)}a:hover{-webkit-text-decoration-color:var(--green);text-decoration-color:var(--green)}img{max-width:100%;height:auto;display:block}::selection{background:var(--brass-soft)}.wrap{max-width:var(--max);margin:0 auto;padding-inline:20px}.sans{font-family:var(--sans)}.kicker{font:600 11.5px/1.2 var(--sans);letter-spacing:.12em;text-transform:uppercase;color:var(--green)}.kicker a{color:inherit;text-decoration:none}.muted{color:var(--muted)}.topline{background:var(--ink);color:#d9d4c8;font:500 12px/1 var(--sans);letter-spacing:.04em}.topline .wrap{justify-content:space-between;gap:12px;padding-block:8px;display:flex}.topline span:last-child{opacity:.75}@media (max-width:640px){.topline span:last-child{display:none}}.masthead{background:var(--paper);border-bottom:1px solid var(--rule-strong);z-index:20;position:sticky;top:0}.masthead:after{content:"";border-bottom:1px solid var(--rule-strong);background:var(--paper);height:3px;display:block}.masthead .wrap{align-items:center;gap:28px;height:62px;display:flex}.logo{font:600 25px/1 var(--serif);color:var(--ink);letter-spacing:-.02em;white-space:nowrap;text-decoration:none}.logo em{font-style:italic;font-weight:400}.logo sup{font:700 10px/1 var(--sans);letter-spacing:.14em;color:var(--green);vertical-align:12px;margin-left:4px}.nav{scrollbar-width:none;gap:22px;margin-left:auto;display:flex;overflow-x:auto}.nav::-webkit-scrollbar{display:none}.nav a{font:600 12px/1 var(--sans);letter-spacing:.1em;text-transform:uppercase;color:var(--ink-2);white-space:nowrap;border-bottom:2px solid #0000;padding-block:6px;text-decoration:none}.nav a:hover{border-bottom-color:var(--green);color:var(--ink)}@media (max-width:760px){.masthead .wrap,.nav{gap:16px}.logo{font-size:21px}}.page{grid-template-columns:210px minmax(0,1fr);gap:48px;padding-block:36px 72px;display:grid}.sidebar{max-height:calc(100vh - 110px);font:14px/1.45 var(--sans);align-self:start;padding-right:6px;position:sticky;top:96px;overflow-y:auto}.sidebar h4{font:700 10.5px/1 var(--sans);text-transform:uppercase;letter-spacing:.12em;color:var(--muted);border-top:1px solid var(--rule);margin:20px 0 6px;padding-top:12px}.sidebar>h4:first-child{border-top:0;margin-top:0;padding-top:0}.sidebar ul{margin:0;padding:0;list-style:none}.sidebar li a{color:var(--ink-2);padding:3px 0;text-decoration:none;display:block}.sidebar li a:hover{color:var(--green)}@media (max-width:960px){.page{grid-template-columns:minmax(0,1fr)}.sidebar{display:none}}.crumbs{font:500 12.5px/1.4 var(--sans);color:var(--muted);margin-bottom:14px}.crumbs a{color:var(--muted);text-decoration:none}.crumbs a:hover{color:var(--green)}.crumbs span{opacity:.6;margin:0 6px}.art-head{max-width:820px}.art-head h1{font:500 clamp(36px, 5vw, 58px)/1.04 var(--serif);letter-spacing:-.02em;margin:10px 0 14px}.standfirst{font:400 21px/1.45 var(--serif);color:var(--ink-2);max-width:760px;margin:0 0 18px}.byline{font:500 12.5px/1.4 var(--sans);color:var(--muted);border-top:1px solid var(--rule);border-bottom:1px solid var(--rule);flex-wrap:wrap;gap:6px 18px;margin-bottom:26px;padding-block:12px;display:flex}.figure{margin:0 0 30px}.figure img{aspect-ratio:16/9;object-fit:cover;border-radius:var(--radius);background:var(--paper-2);width:100%}.figure figcaption{font:13px/1.4 var(--sans);color:var(--muted);margin-top:8px}.figure figcaption b{color:var(--ink-2);font-weight:600}.article-grid{grid-template-columns:minmax(0,1fr) 300px;align-items:start;gap:44px;display:grid}@media (max-width:1140px){.article-grid{grid-template-columns:minmax(0,1fr)}}.prose{max-width:700px;font-size:18.5px;line-height:1.7}.prose>div>p:first-of-type:first-letter,.dropcap:first-letter{float:left;font:500 64px/.82 var(--serif);color:var(--green);padding:6px 10px 0 0}.prose h2{font:500 30px/1.2 var(--serif);letter-spacing:-.01em;border-top:1px solid var(--rule);margin:46px 0 12px;padding-top:16px;scroll-margin-top:110px}.prose h3{font:600 20px/1.3 var(--serif);margin:30px 0 8px;scroll-margin-top:110px}.prose p,.prose ul,.prose ol{margin:0 0 18px}.prose li{margin-bottom:7px}.prose li::marker{color:var(--brass)}.prose strong{font-weight:650}.prose blockquote{border-left:3px solid var(--brass);color:var(--ink-2);margin:26px 0;padding:4px 0 4px 22px;font-size:21px;font-style:italic}.prose code{background:var(--paper-2);border-radius:3px;padding:1px 5px;font-family:ui-monospace,Menlo,monospace;font-size:.85em}.table-wrap{border-top:2px solid var(--ink);border-bottom:1px solid var(--ink);margin:6px 0 24px;overflow-x:auto}table{border-collapse:collapse;width:100%;font:14.5px/1.45 var(--sans)}th,td{text-align:left;border-bottom:1px solid var(--rule);vertical-align:top;padding:10px 12px 10px 0}th{font:700 11px/1.3 var(--sans);text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}tr:last-child td{border-bottom:0}.side-stack{gap:22px;display:grid;position:sticky;top:100px}@media (max-width:1140px){.side-stack{position:static}}.factsheet{background:var(--card);border:1px solid var(--rule);border-top:3px solid var(--green);font:13.5px/1.45 var(--sans)}.factsheet .fs-head{border-bottom:1px solid var(--rule);padding:14px 16px 10px}.factsheet .fs-head .kicker{color:var(--muted)}.factsheet .fs-head strong{font:500 22px/1.2 var(--serif);margin-top:4px;display:block}.factsheet dl{margin:0}.factsheet .row{border-bottom:1px solid var(--rule);padding:9px 16px}.factsheet .row:last-child{border-bottom:0}.factsheet dt{font:700 10.5px/1.2 var(--sans);text-transform:uppercase;letter-spacing:.1em;color:var(--muted);margin-bottom:3px}.factsheet dd{color:var(--ink-2);margin:0}.toc{font:13.5px/1.45 var(--sans)}.toc strong{font:700 10.5px/1 var(--sans);text-transform:uppercase;letter-spacing:.12em;color:var(--muted);border-bottom:1px solid var(--ink);margin-bottom:8px;padding-bottom:8px;display:block}.toc ol{counter-reset:t;margin:0;padding:0;list-style:none}.toc li{counter-increment:t;border-bottom:1px solid var(--rule);grid-template-columns:22px 1fr;padding:5px 0;display:grid}.toc li:before{content:counter(t, decimal-leading-zero);color:var(--brass);padding-top:1px;font-size:11.5px;font-weight:600}.toc a{color:var(--ink-2);text-decoration:none}.toc a:hover{color:var(--green)}.badge{font:600 11px/1 var(--sans);letter-spacing:.06em;text-transform:uppercase;white-space:nowrap;border-radius:2px;align-items:center;gap:6px;padding:5px 8px;display:inline-flex}.badge:before{content:"";background:currentColor;border-radius:50%;width:7px;height:7px}.ev-approved{color:#1f5a45;background:#e2eee7}.ev-former{color:#3d5a4f;background:#e9eee9}.ev-phase3{color:#6e5320;background:#f4ead2}.ev-human{color:#7a5a1c;background:#f7efdc}.ev-animal{color:#7a2e2a;background:#f5e4e0}.ev-untested{color:#555;background:#ebe8e2}.note{border-left:3px solid var(--brass);background:var(--brass-soft);color:#4a3a18;font:14px/1.5 var(--sans);margin:0 0 28px;padding:12px 16px}.source-box{background:var(--green);color:#eef3ef;font:14px/1.5 var(--sans);border-radius:var(--radius);padding:18px}.source-box .kicker{color:#b9d3c7}.source-box p{margin:6px 0 14px}.source-box strong{font:500 20px/1.25 var(--serif);color:#fff;margin-top:6px;display:block}.btn{background:var(--green);color:#fff;font:600 13px/1 var(--sans);letter-spacing:.04em;border-radius:2px;padding:10px 16px;text-decoration:none;display:inline-block}.btn:hover{background:var(--green-2)}.source-box .btn{background:var(--paper);color:var(--green)}.source-box .btn:hover{background:#fff}.btn.ghost{color:var(--green);border:1px solid var(--green);background:0 0}.section-head{border-top:2px solid var(--ink);justify-content:space-between;align-items:baseline;gap:16px;margin:56px 0 22px;padding-top:10px;display:flex}.section-head h2{font:500 30px/1.15 var(--serif);letter-spacing:-.01em;margin:0}.section-head a{font:600 12px/1 var(--sans);letter-spacing:.08em;text-transform:uppercase;white-space:nowrap;text-decoration:none}.grid{grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:28px 24px;display:grid}.grid.g3{grid-template-columns:repeat(auto-fill,minmax(300px,1fr))}.card{color:var(--ink);text-decoration:none;display:block}.card img{aspect-ratio:16/10;object-fit:cover;border-radius:var(--radius);background:var(--paper-2);width:100%;margin-bottom:12px;transition:opacity .2s}.card:hover img{opacity:.88}.card .kicker{flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:6px;display:flex}.card h3{font:500 22px/1.2 var(--serif);letter-spacing:-.01em;margin:0 0 6px}.card:hover h3{color:var(--green)}.card p{font:15px/1.5 var(--sans);color:var(--muted);margin:0}.list-card{border-bottom:1px solid var(--rule);color:var(--ink);grid-template-columns:96px 1fr;align-items:center;gap:14px;padding:12px 0;text-decoration:none;display:grid}.list-card img{aspect-ratio:1;object-fit:cover;border-radius:var(--radius);width:96px}.list-card strong{font:500 19px/1.25 var(--serif);display:block}.list-card span{font:13px/1.4 var(--sans);color:var(--muted)}.list-card:hover strong{color:var(--green)}.hero{grid-template-columns:minmax(0,5fr) minmax(0,6fr);align-items:center;gap:48px;padding-block:48px 8px;display:grid}.hero h1{font:500 clamp(40px, 6vw, 74px)/1 var(--serif);letter-spacing:-.025em;margin:14px 0 18px}.hero h1 em{color:var(--green);font-style:italic}.hero p{font:400 20px/1.5 var(--serif);color:var(--ink-2);margin:0 0 24px}.hero figure{margin:0}.hero figure img{aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius);width:100%}.hero figcaption{font:12.5px/1.4 var(--sans);color:var(--muted);margin-top:8px}@media (max-width:900px){.hero{grid-template-columns:minmax(0,1fr);gap:28px;padding-top:28px}.hero figure{order:-1}.hero figure img{aspect-ratio:16/9}}.stats{border-top:1px solid var(--ink);border-bottom:1px solid var(--rule);flex-wrap:wrap;gap:0;margin-top:40px;display:flex}.stats div{flex:140px;padding:14px 16px 14px 0}.stats b{font:500 34px/1 var(--serif);display:block}.stats span{font:600 11px/1.3 var(--sans);letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}.searchbox{border:1px solid var(--ink);width:100%;max-width:560px;font:16px var(--sans);background:var(--card);border-radius:2px;padding:14px 16px}.searchbox:focus{outline:2px solid var(--green);outline-offset:1px}.lead-story{grid-template-columns:minmax(0,7fr) minmax(0,5fr);align-items:center;gap:32px;display:grid}.lead-story img{aspect-ratio:16/10;object-fit:cover;border-radius:var(--radius);width:100%}.lead-story h3{font:500 38px/1.1 var(--serif);letter-spacing:-.015em;margin:8px 0 12px}@media (max-width:800px){.lead-story{grid-template-columns:1fr}.lead-story h3{font-size:30px}}.az{columns:4 200px;font:15px/1.5 var(--sans);column-gap:28px}.az ul{margin:0;padding:0}.az li{break-inside:avoid;border-bottom:1px solid var(--rule);padding:4px 0;list-style:none}.az a{color:var(--ink-2);text-decoration:none}.az a:hover{color:var(--green)}.page-title{font:500 clamp(38px, 5vw, 56px)/1.05 var(--serif);letter-spacing:-.02em;margin:10px 0 12px}.cat-band{grid-template-columns:220px 1fr;align-items:start;gap:28px;display:grid}.cat-band img{aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius);width:100%}@media (max-width:760px){.cat-band{grid-template-columns:1fr}.cat-band img{aspect-ratio:16/7}}.faq-list details{border-bottom:1px solid var(--rule);padding:14px 0}.faq-list summary{cursor:pointer;font:500 19px/1.35 var(--serif);justify-content:space-between;gap:16px;list-style:none;display:flex}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary:after{content:"+";font:400 24px/1 var(--sans);color:var(--brass)}.faq-list details[open] summary:after{content:"−"}.faq-list p{font:16px/1.6 var(--sans);color:var(--ink-2);margin:10px 0 0}.refs{font:14px/1.5 var(--sans);padding-left:22px}.refs li{word-break:break-word;margin-bottom:8px}.refs li::marker{color:var(--muted);font-weight:600}.tool{border:1px solid var(--rule);border-top:3px solid var(--green);background:var(--card);font-family:var(--sans);margin-bottom:28px;padding:22px}.tool label{font:700 11px/1.2 var(--sans);letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-bottom:6px;display:block}.tool input,.tool select{width:100%;font:16px var(--sans);background:#fff;border:1px solid #cfc8b9;border-radius:2px;padding:10px 11px}.tool input:focus,.tool select:focus{outline:2px solid var(--green);outline-offset:0}.tool .fields{grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:16px;margin-bottom:18px;display:grid}.tool .result{background:var(--green-soft);padding:16px;font-size:15px}.tool .result .big{font:500 34px/1.1 var(--serif);color:var(--green)}.tool .btn.ghost{font-size:12px}.syringe{background:#fff;border:2px solid #8b928c;border-radius:4px;height:34px;margin:14px 0 4px;position:relative;overflow:hidden}.syringe .fill{background:#9cc8b8;position:absolute;inset:0 auto 0 0}.syringe .ticks{justify-content:space-between;padding:0 1px;display:flex;position:absolute;inset:0}.syringe .ticks i{background:#8b928c;width:1px;height:40%}.syringe .ticks i:nth-child(5n+1){height:70%}.site-footer{background:var(--ink);color:#c9c4b8;font:14px/1.6 var(--sans);padding-block:48px 36px}.site-footer .logo{color:#f4efe4}.site-footer .cols{grid-template-columns:2fr 1fr 1fr 1fr;gap:28px;display:grid}@media (max-width:760px){.site-footer .cols{grid-template-columns:1fr 1fr}.site-footer .cols>div:first-child{grid-column:1/-1}}.site-footer h5{font:700 10.5px/1 var(--sans);letter-spacing:.12em;text-transform:uppercase;color:#8f8a7e;margin:4px 0 12px}.site-footer a{color:#e6e1d5;text-decoration:none}.site-footer a:hover{color:#fff;text-decoration:underline}.site-footer ul{margin:0;padding:0;list-style:none}.site-footer li{margin:6px 0}.site-footer .fine{color:#9a9588;border-top:1px solid #3a3d37;margin-top:36px;padding-top:18px;font-size:12.5px}.tool-card{border-top:1px solid var(--ink);color:var(--ink);padding:14px 0 4px;text-decoration:none;display:block}.tool-card strong{font:500 21px/1.2 var(--serif);margin-bottom:4px;display:block}.tool-card span{font:14px/1.5 var(--sans);color:var(--muted)}.tool-card:hover strong{color:var(--green)}