@charset "UTF-8";
:root{--paper:#f6f5f0;--white:#fffefa;--ink:#1e2925;--muted:#68726b;--line:#d9dcd3;--green:#245843;--green-soft:#e7eee7;--rust:#a5533d;--rust-soft:#f4e9e3;font-family:Arial,Helvetica,sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:22px}body{margin:0}body:has(dialog[open]){overflow:hidden}a{color:inherit;text-decoration:none}button,input,select{font:inherit;color:inherit}button{cursor:pointer;border:0}button,a,input,select,summary{-webkit-tap-highlight-color:transparent}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #669d81;outline-offset:4px}img{display:block;max-width:100%;height:auto}[hidden]{display:none!important}svg{fill:none;stroke:currentColor;stroke-width:1.8}.wrap{width:min(1280px,calc(100% - 96px));margin-inline:auto}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link{position:fixed;top:-100px;left:24px;z-index:100;background:white;padding:12px}.skip-link:focus{top:12px}
.site-header{height:92px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:12px;font-size:22px;font-weight:700;letter-spacing:-.8px}.brand-mark{font-family:Georgia,serif;display:inline-flex;align-items:baseline;justify-content:center;width:39px;height:39px;line-height:32px;border:1px solid #a7b8a7;border-radius:8px;font-size:31px;letter-spacing:-6px;padding-right:5px;color:var(--green)}.brand-mark span{font-size:26px}.site-header nav{display:flex;gap:28px;align-items:center;font-size:12px}.site-header nav a:hover{color:var(--green)}.eyebrow{font-size:10px;letter-spacing:1.5px;font-weight:600;line-height:1.6;margin:0;color:var(--muted)}.signal-dot{display:inline-block;width:6px;height:6px;background:var(--green);border-radius:50%;margin-right:7px;vertical-align:1px}.hero{display:grid;grid-template-columns:1.6fr 1fr;gap:90px;align-items:center;padding-block:67px 70px}.hero h1{font-size:clamp(43px,4.5vw,67px);line-height:1.08;font-weight:500;letter-spacing:-2.6px;margin:24px 0}.hero h1 em,.about h2 em{font-family:Georgia,'Times New Roman',serif;color:var(--green);font-weight:400}.hero-description{max-width:535px;font-size:14px;color:var(--muted);line-height:1.9;margin:0 0 26px}.button{display:inline-flex;align-items:center;justify-content:center;gap:20px;padding:12px 17px;border-radius:5px;font-size:12px;font-weight:600;line-height:1.4;text-align:center}.button.primary{background:var(--green);color:white;border:1px solid var(--green)}.button.primary:hover{background:#153f2e}.button.secondary{background:transparent;color:var(--ink);border:1px solid var(--line)}.button.secondary:hover{background:var(--green-soft);border-color:#acbbb0}.collection-facts{padding:30px 31px 24px;border:1px solid var(--line);background:#edf0e8;border-radius:7px}.collection-facts>.eyebrow{color:var(--green);font-size:9px;margin-bottom:22px}.fact{display:flex;align-items:center;gap:22px;padding-bottom:21px}.fact+.fact{border-top:1px solid #d7decf;padding-top:21px}.fact>strong{font-size:52px;font-weight:500;letter-spacing:-2px;line-height:1}.fact>div{font-size:12px;line-height:1.6}.fact small{display:block;color:var(--muted);font-size:10px;margin-top:4px}.fact-note{font-size:11px;line-height:1.7;margin:3px 0 0;color:var(--muted)}
.collection{padding:31px 0 70px;border-top:1px solid var(--line)}.section-heading{display:flex;justify-content:space-between;gap:20px;align-items:end;margin-bottom:26px}.section-heading h2{font-size:34px;line-height:1.15;letter-spacing:-1.2px;font-weight:500;margin:8px 0 0}.text-link{font-size:11px;text-decoration:underline;text-underline-offset:5px;text-decoration-color:#b2b9af;line-height:1.7}.text-link span{margin-left:8px}.version-tabs{display:flex;gap:31px;border-bottom:1px solid var(--line)}.version-tabs button{padding:15px 0;background:transparent;border-bottom:2px solid transparent;font-size:15px;color:var(--muted);white-space:nowrap}.version-tabs button[aria-pressed="true"]{color:var(--green);border-bottom-color:var(--green)}.version-tabs button>span{font-size:10px;margin-left:5px;background:#e5e8de;padding:3px 6px;border-radius:4px;vertical-align:1px}.version-explanation{display:flex;justify-content:space-between;align-items:start;gap:20px;font-size:11px;line-height:1.8;color:var(--muted);margin:17px 0 22px;min-height:20px}.version-explanation p{margin:0;max-width:750px}.version-explanation>span{white-space:nowrap;color:var(--green)}.filters{display:flex;gap:10px}.filters label{display:flex;min-width:0}.search-label{display:flex;align-items:center;gap:10px;background:var(--white);border:1px solid var(--line);padding:10px 12px;border-radius:4px;flex:1;max-width:580px}.search-label svg{width:16px;height:16px;flex-shrink:0;color:var(--muted)}.search-label input{width:100%;background:transparent;border:0;font-size:12px;outline:none}.filters select{border:1px solid var(--line);border-radius:4px;background:var(--white);font-size:11px;color:var(--muted);padding:10px 28px 10px 12px;max-width:100%}.collection-caption{display:flex;justify-content:space-between;align-items:center;gap:15px;margin:25px 0 9px;font-size:10px;color:var(--muted)}.collection-caption p{margin:0}.legend{display:flex;gap:14px}.legend span{display:flex;align-items:center;gap:5px}.legend i{width:6px;height:6px;border-radius:50%}.success{background:#548367}.failure{background:#b36d58}.caption-note{font-size:10px;color:var(--muted);line-height:1.7;margin:0 0 19px}.task-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:25px 21px}.task-card{min-width:0;background:var(--white);border:1px solid var(--line);border-radius:7px;overflow:hidden;transition:border-color .15s,box-shadow .15s}.task-card:hover{border-color:#a8b5a5;box-shadow:0 6px 22px #26362a08}.media-thumb{width:100%;position:relative;display:block;padding:0;background:#dfe4d9;border-bottom:1px solid var(--line);overflow:hidden}.media-thumb img{width:100%;aspect-ratio:2/1;object-fit:contain;background:#dfe4d9;transition:transform .2s}.media-thumb:hover img{transform:scale(1.025)}.thumb-play{position:absolute;inset:auto 12px 12px auto;display:grid;place-items:center;width:32px;height:32px;border-radius:50%;background:#fdfdfaeb;box-shadow:0 2px 6px #0001;font-size:11px}.thumb-version{position:absolute;inset:auto auto 12px 12px;background:#fdfdfaeb;padding:5px 7px;border-radius:3px;font-size:9px;color:#324037}.task-body{padding:17px 17px 18px}.task-meta{display:flex;justify-content:space-between;align-items:start;gap:10px;font-size:9px;color:var(--muted);line-height:1.6}.task-rate{color:var(--green);white-space:nowrap}.task-rate.imperfect{color:var(--rust)}.task-title{display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:3;overflow:hidden;background:transparent;padding:0;text-align:left;font-size:14px;line-height:1.55;margin:11px 0 17px;min-height:65px;font-weight:500;width:100%}.task-title:hover{color:var(--green)}.sample-row{display:flex;gap:5px;flex-wrap:wrap}.sample-dot{width:25px;height:25px;display:grid;place-items:center;border-radius:3px;font-size:9px;border:1px solid transparent;padding:0;background:#e5eee4;color:#355844}.sample-dot.failure{background:#f3e6df;color:#92503c}.sample-dot.unknown{background:#ecece6;color:var(--muted)}.sample-dot:hover{border-color:currentColor}.empty-state{text-align:center;padding:60px 20px;border:1px dashed var(--line);border-radius:8px}.empty-state h3{font-size:23px;font-weight:500}.empty-state p{font-size:13px;color:var(--muted);line-height:1.7}.empty-state .button{margin-top:12px}
.about{display:grid;grid-template-columns:1fr 1fr;gap:90px;padding-block:49px 65px;border-top:1px solid var(--line)}.about h2{font-size:34px;font-weight:500;line-height:1.25;letter-spacing:-1px;margin:16px 0}.about>div>p:not(.eyebrow){font-size:13px;line-height:1.9;color:var(--muted);max-width:480px;margin-bottom:22px}.about-notes details{padding:18px 0;border-bottom:1px solid var(--line)}.about-notes details:first-child{padding-top:0}.about-notes summary{cursor:pointer;font-size:12px;list-style:none;display:flex;justify-content:space-between;gap:20px}.about-notes summary::after{content:'+';color:var(--green);font-size:16px}.about-notes details[open] summary::after{content:'−'}.about-notes p{font-size:11px;color:var(--muted);line-height:1.9;margin:12px 0 0}.site-footer{display:flex;justify-content:space-between;gap:20px;padding-block:25px 30px;border-top:1px solid var(--line);font-size:10px;color:var(--muted)}
dialog{padding:0;border:1px solid #c6cec1;border-radius:9px;background:var(--paper);color:var(--ink);width:min(1180px,calc(100vw - 48px));max-height:calc(100dvh - 48px);box-shadow:0 25px 80px #0c1f1945}dialog::backdrop{background:#13231cbb;backdrop-filter:blur(4px)}.dialog-heading{display:flex;align-items:center;justify-content:space-between;gap:25px;padding:21px 25px;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:2;background:var(--paper)}.dialog-heading .eyebrow{font-size:9px}.dialog-heading h2{font-size:19px;font-weight:500;margin:7px 0 0;line-height:1.4;letter-spacing:-.3px}.icon-button{display:grid;place-items:center;width:32px;height:32px;background:#e9ece3;border:1px solid var(--line);border-radius:4px;font-size:15px;flex-shrink:0}.player-layout{display:grid;grid-template-columns:minmax(0,1fr) 285px}.player-main{padding:24px;min-width:0}.video-stage{background:#15231c;border:1px solid #d0d6c9;border-radius:5px;overflow:hidden;display:flex;align-items:center;min-height:150px}.video-stage video{display:block;width:100%;aspect-ratio:2/1;object-fit:contain;max-height:47dvh}.video-error{font-size:12px;color:var(--rust);line-height:1.7}.player-controls{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:14px}.outcome-badge{font-size:10px;line-height:1.5;padding:5px 8px;border-radius:4px;background:#e5eee4;color:#355844}.outcome-badge.failure{background:#f3e6df;color:#92503c}.outcome-badge.unknown{background:#ecece6;color:var(--muted)}.speed-label{font-size:10px;display:flex;gap:8px;align-items:center;color:var(--muted)}.speed-label select{font-size:11px;border:1px solid var(--line);border-radius:4px;background:var(--white);padding:5px 6px}.instruction-comparison{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:26px}.instruction-comparison>div{border-top:1px solid var(--line);padding-top:17px;min-width:0}.instruction-comparison>div:last-child:not(:first-child){border-color:#9cb49d}.instruction-comparison .eyebrow{font-size:8px;letter-spacing:1px}.instruction-comparison p:not(.eyebrow){font-size:13px;line-height:1.9;margin:11px 0 0}.instruction-comparison strong{font-weight:700;color:#173f2b;background:#e8eee3;padding-block:2px}.instruction-comparison:has(#revised-instruction-panel[hidden]){grid-template-columns:1fr}.episode-sidebar{padding:26px 23px;border-left:1px solid var(--line);min-width:0;background:#f0f1e9}.episode-sidebar>.eyebrow{font-size:9px;letter-spacing:1px}.player-versions{display:flex;flex-wrap:wrap;gap:7px;margin-top:12px}.player-versions button{font-size:10px;background:transparent;border:1px solid #cfd8c8;border-radius:4px;padding:9px 10px}.player-versions button[aria-pressed="true"]{background:var(--green);border-color:var(--green);color:white}.sidebar-note{font-size:10px;line-height:1.8;color:var(--muted);margin:15px 0 0}.sidebar-separator{height:1px;background:var(--line);margin:22px 0}.episode-buttons{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:7px;margin-top:12px}.episode-button{min-width:0;height:32px;border-radius:4px;font-size:10px;background:#e0eadb;color:#355844;border:1px solid #d1ddcc}.episode-button.failure{background:#f0e4dc;color:var(--rust);border-color:#e1ccbf}.episode-button.unknown{background:#e8e9e2;color:var(--muted)}.episode-button[aria-pressed="true"]{outline:2px solid currentColor;outline-offset:1px;font-weight:700}.episode-facts{display:grid;grid-template-columns:1fr 1fr;gap:18px 12px;font-size:11px;margin:26px 0}.episode-facts div{min-width:0}.episode-facts dt{font-size:9px;color:var(--muted);margin-bottom:6px}.episode-facts dd{margin:0;overflow-wrap:anywhere;font-variant-numeric:tabular-nums}.share-actions{display:flex;flex-direction:column;gap:9px}.share-actions .button{font-size:10px;padding:11px 10px;gap:12px}.copy-status{font-size:10px;min-height:12px;color:var(--green);margin:11px 0 0;overflow-wrap:anywhere}
@media(max-width:1120px){.wrap{width:calc(100% - 56px)}.hero{gap:45px;grid-template-columns:1.4fr 1fr}.hero h1{font-size:51px}.collection-facts{padding:25px 24px}.fact{gap:17px}.fact>strong{font-size:46px}.fact>div{font-size:11px}.fact small{font-size:9px}.task-grid{gap:21px 16px}.task-body{padding:15px 13px}.sample-row{gap:4px}.sample-dot{width:22px;height:23px}.about{gap:50px}.player-main{padding:20px}.player-layout{grid-template-columns:minmax(0,1fr) 270px}}
@media(max-width:850px){.hero{gap:30px;padding-block:46px}.hero h1{font-size:43px;letter-spacing:-1.9px}.hero-description{font-size:12px}.collection-facts{padding:23px 20px}.fact{gap:12px}.fact>strong{font-size:40px}.fact>div{font-size:10px}.fact small{font-size:9px}.version-tabs{gap:22px}.version-tabs button{font-size:13px}.version-explanation{font-size:10px}.filters{flex-wrap:wrap}.search-label{max-width:none}.task-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.sample-dot{width:25px;height:25px}.about{gap:30px}.about h2{font-size:30px}.player-layout{grid-template-columns:1fr}.episode-sidebar{border-left:0;border-top:1px solid var(--line)}.episode-buttons{grid-template-columns:repeat(10,minmax(0,1fr))}.episode-facts{grid-template-columns:repeat(4,minmax(0,1fr))}.share-actions{flex-direction:row}.share-actions>*{flex:1}.video-stage video{max-height:42dvh}.site-footer{flex-wrap:wrap}}
@media(max-width:600px){.wrap{width:calc(100% - 36px)}.site-header{height:75px}.brand{font-size:20px;gap:9px}.brand-mark{width:33px;height:33px;font-size:27px;line-height:27px}.brand-mark span{font-size:23px}.site-header nav{gap:17px;font-size:11px}.site-header nav a:first-child,.site-header nav a:nth-child(2){display:none}.hero{grid-template-columns:1fr;gap:28px;padding-block:37px 35px}.hero h1{font-size:45px;letter-spacing:-2.1px;margin:20px 0}.hero .eyebrow{font-size:8px;letter-spacing:1.2px}.hero-description{font-size:13px;line-height:1.85;max-width:470px;margin-bottom:24px}.collection-facts{display:grid;grid-template-columns:1fr 1fr;padding:20px;gap:0 18px}.collection-facts>.eyebrow{grid-column:1/-1;margin-bottom:18px}.fact{display:block;padding-bottom:0}.fact+.fact{padding:0 0 0 18px;border-top:0;border-left:1px solid #d7decf}.fact>strong{font-size:43px}.fact>div{margin-top:9px;font-size:10px}.fact small{font-size:9px}.fact-note{grid-column:1/-1;margin-top:20px;font-size:10px;border-top:1px solid #d7decf;padding-top:14px}.fact-note br{display:none}.fact-note br::after{content:' '}.collection{padding:30px 0 43px}.section-heading{gap:12px;align-items:end;margin-bottom:20px}.section-heading .eyebrow{font-size:8px;letter-spacing:1px}.section-heading h2{font-size:29px;max-width:225px}.section-heading .text-link{font-size:9px;text-align:right;max-width:100px}.text-link span{margin-left:3px}.version-tabs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 17px}.version-tabs button{font-size:13px;text-align:left;padding-block:13px}.version-tabs button>span{font-size:9px}.version-explanation{display:block;min-height:0;margin-block:15px 19px}.version-explanation>span{display:block;margin-top:7px}.filters{display:grid;grid-template-columns:1fr 1fr;gap:8px}.search-label{grid-column:1/-1;padding:12px}.filters select{font-size:10px;padding:11px 20px 11px 9px;width:100%}.collection-caption{font-size:9px;margin-top:22px}.legend{gap:9px;font-size:8px}.caption-note{font-size:9px;margin-bottom:17px}.task-grid{grid-template-columns:1fr;gap:20px}.task-body{padding:16px 17px 18px}.task-meta{font-size:10px}.task-title{font-size:15px;min-height:0;-webkit-line-clamp:4;margin-bottom:17px}.sample-row{gap:5px}.sample-dot{width:25px;height:26px;font-size:9px}.about{grid-template-columns:1fr;gap:30px;padding-block:35px 40px}.about h2{font-size:31px}.about>div>p:not(.eyebrow){font-size:12px}.site-footer{flex-direction:column;gap:11px;font-size:9px;padding-block:22px}dialog{width:calc(100vw - 16px);max-height:calc(100dvh - 16px);border-radius:7px}.dialog-heading{padding:15px;gap:12px}.dialog-heading .eyebrow{font-size:8px}.dialog-heading h2{font-size:15px;line-height:1.5}.icon-button{width:28px;height:28px;font-size:13px}.player-main{padding:12px}.video-stage{min-height:0}.video-stage video{max-height:36dvh}.outcome-badge{font-size:9px}.speed-label{font-size:9px;gap:5px}.instruction-comparison{grid-template-columns:1fr;gap:20px;margin-top:22px}.instruction-comparison>div{padding-top:14px}.instruction-comparison p:not(.eyebrow){font-size:12px;margin-top:8px}.episode-sidebar{padding:21px 17px}.episode-buttons{grid-template-columns:repeat(5,minmax(0,1fr))}.episode-facts{grid-template-columns:repeat(2,minmax(0,1fr))}.share-actions .button{font-size:9px;gap:7px}.sidebar-note{font-size:10px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

/* Keep cross-benchmark navigation visible on narrow screens. */
@media(max-width:600px){.site-header{height:auto;min-height:105px;flex-direction:column;align-items:flex-start;justify-content:center;gap:14px;padding-block:15px}.site-header nav{width:100%;justify-content:space-between;gap:12px}.site-header nav a:first-child,.site-header nav a:nth-child(2){display:inline-flex}}