:root{--font-site:'Helvetica Neue',Helvetica,sans-serif;--paper:#f5f7f8;--ink:#162725;--muted:#4b605a;--line:#bccbc6;--green:#286e5c;--accent-soft:#b4f889;--white:#fff}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.6 var(--font-site);letter-spacing:0}a{color:inherit;text-underline-offset:4px}button,a{touch-action:manipulation}button{font:inherit;cursor:pointer}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid #286e5c;outline-offset:5px}h1,h2,h3,p{margin-top:0}h1{font-size:62px;line-height:1.06;margin-bottom:22px;letter-spacing:0}h2{font-size:34px;line-height:1.18;margin-bottom:18px}h3{font-size:21px;line-height:1.3;margin-bottom:10px}.wrap{max-width:1200px;margin:auto;padding-left:36px;padding-right:36px}.small{font-size:13px;color:var(--muted)}.eyebrow{font-family:var(--font-site);font-size:12px;font-weight:400;margin-bottom:18px}.site-header{min-height:82px;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:16px 36px;border-bottom:1px solid var(--line);background:var(--paper);position:sticky;top:0;z-index:10}.brand{font:400 27px/1.2 var(--font-site);text-decoration:none;white-space:nowrap}.brand span{color:#286e5c}.site-header nav{display:flex;gap:20px;align-items:center;font-size:13px;font-weight:400}.site-header nav a{text-decoration:none;white-space:nowrap}.site-header nav a:hover{color:var(--green)}#menu-toggle{display:none;width:46px;height:46px;background:transparent;border:1px solid var(--line);border-radius:4px}#menu-toggle img{width:23px;height:23px}.skip{position:absolute;left:12px;top:-60px;padding:10px;background:var(--white);z-index:100}.skip:focus{top:10px}.hero{position:relative;min-height:780px;overflow:hidden;background:#f5f7f8}.hero-copy{position:relative;z-index:1;padding-top:44px}.hero .lead{font-size:20px;line-height:1.5;max-width:690px;margin-bottom:24px}.actions{display:flex;gap:24px;align-items:center;flex-wrap:wrap}.button{min-height:48px;display:inline-flex;gap:12px;align-items:center;justify-content:center;padding:12px 20px;text-decoration:none;font-weight:400;font-size:14px;border-radius:4px;border:1px solid var(--ink);max-width:100%}.button.primary{background:var(--accent-soft);color:var(--ink)}.button.primary:hover{background:#a4eb78}.button.secondary{background:white}.text-link{display:inline-flex;gap:10px;align-items:center;font-size:14px;font-weight:400}.icon{width:18px;height:18px;flex-shrink:0}.hero .small{margin-top:12px}.hero-visual{position:absolute;bottom:0;left:0;right:0;margin:0;height:350px}.hero-visual>img{width:100%;height:315px;object-fit:fill}.hero-visual figcaption{text-align:right;padding:0 36px;font:11px var(--font-site);color:var(--muted)}.event-strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:white}.strip-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;padding-top:22px;padding-bottom:22px;gap:28px}.strip-grid span{display:block;font:11px var(--font-site);color:var(--muted);margin-bottom:7px}.strip-grid strong{font-size:20px}.section{padding-top:80px;padding-bottom:80px}.section-heading{max-width:790px;margin-bottom:36px}.section-heading p:last-child{max-width:690px;color:var(--muted)}.steps{list-style:none;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:32px;margin:0 0 48px}.steps li{border-top:2px solid var(--line);padding-top:20px}.steps li>span{font:14px var(--font-site);color:var(--green);display:block;margin-bottom:18px}.steps p{font-size:15px;color:var(--muted)}.research-line{border-top:1px solid var(--line);padding-top:24px;display:flex;gap:28px;align-items:center}.research-line p{flex:1;margin:0;font-size:14px}.research-line a{font-size:13px;font-weight:400;display:inline-flex;gap:8px;align-items:center;white-space:nowrap}.awards-band{background:#163d37;color:white;padding:62px 0}.awards-band .small{color:#c7d8d3}.awards-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:100px}.awards-grid h2{font-size:48px;color:#b4f889}.awards-grid p{max-width:530px}.prize-list{margin:0}.prize-list>div{display:flex;justify-content:space-between;border-bottom:1px solid #52726b;padding:5px 0}.prize-list dd{margin:0;font-weight:400}.prize-list+.small{margin-top:18px}.timeline{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);gap:24px}.timeline>div{padding:24px 0;border-bottom:1px solid var(--line)}.timeline span{display:block;font-size:13px;color:var(--muted);margin-bottom:13px}.timeline strong{font-size:20px}.timeline .confirmed{border-top:3px solid var(--green);margin-top:-2px}.timeline+.small{margin-top:20px}.rules-section{background:#eaf0ed;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.rules-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px;margin-bottom:24px}.rules-grid ul{padding-left:20px}.rules-grid li{padding-left:3px;margin-bottom:9px}.rules-grid p{font-size:15px}.rules-section .text-link{margin-left:24px}.terminal{border:1px solid #9cb0a9;border-radius:4px;overflow:hidden;background:white}.terminal-bar{display:flex;align-items:center;justify-content:space-between;padding:8px 14px;background:#e7eeeb;border-bottom:1px solid var(--line);font:12px var(--font-site)}.terminal-bar button{display:flex;align-items:center;justify-content:center;width:40px;height:40px;border:0;background:transparent;border-radius:3px}.terminal-bar button:hover{background:#d0dfd9}.terminal-bar img{width:20px;height:20px}.terminal pre{margin:0;padding:22px;white-space:pre-wrap;overflow-wrap:anywhere;font:13px/1.9 var(--font-site);tab-size:2}.note{margin-top:18px}.partners-section{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:white}.partner-content{max-width:790px}.faq{max-width:900px}.faq details{border-bottom:1px solid var(--line);padding:16px 0}.faq summary{font-size:17px;font-weight:400;cursor:pointer;padding:7px 30px 7px 0}.faq p{margin:10px 0 4px;max-width:780px;color:var(--muted)}.participate-band{background:#dcebe5;padding:64px 0}.participate-band .contact{display:block;margin-top:22px;overflow-wrap:anywhere}.participate-band .small{margin-top:12px}.site-footer{padding-top:40px;padding-bottom:45px;display:grid;grid-template-columns:1fr 1fr;gap:20px;font-size:12px;color:var(--muted)}.site-footer p{margin:0}.site-footer .brand{color:var(--ink)}#copy-status{min-height:20px;margin:7px 0 0} @media(min-width:1700px){.hero{min-height:810px}.hero-visual{height:370px}.hero-visual>img{height:335px}} @media(max-width:1100px){.site-header nav{gap:12px;font-size:12px}.brand{font-size:24px}.site-header{padding:16px 24px}.awards-grid{gap:48px}} @media(max-width:900px){.site-header{flex-wrap:wrap;min-height:76px}#menu-toggle{display:flex;align-items:center;justify-content:center;margin-left:auto}.site-header nav{display:none;width:100%;flex-wrap:wrap;padding:12px 0;font-size:14px;gap:0}.site-header nav.open{display:flex}.site-header nav a{padding:12px 20px 12px 0;width:50%}.wrap{padding-left:24px;padding-right:24px}h1{font-size:50px}.hero{min-height:730px}.hero-visual{height:260px}.hero-visual>img{height:230px}.steps{grid-template-columns:1fr 1fr}.strip-grid{grid-template-columns:1fr 1fr;gap:20px}.timeline{grid-template-columns:1fr 1fr}.research-line{flex-wrap:wrap}.research-line p{flex-basis:100%}.rules-grid{gap:30px}.awards-grid{gap:40px}.hero-visual figcaption{font-size:10px;padding:0 24px}} @media(max-width:600px){html{scroll-padding-top:88px}.site-header{padding:12px 20px}.wrap{padding-left:20px;padding-right:20px}h1{font-size:38px;line-height:1.1}h2{font-size:29px}h3{font-size:20px}.hero{min-height:705px}.hero-copy{padding-top:30px}.hero .lead{font-size:17px}.hero-visual{height:235px}.hero-visual>img{height:200px;object-fit:cover;object-position:center}.hero-visual figcaption{text-align:left;font-size:9px;padding:0 20px}.hero .actions{gap:16px}.hero .text-link{font-size:13px}.button{padding:11px 14px;font-size:13px}.strip-grid strong{font-size:17px}.section{padding-top:54px;padding-bottom:54px}.steps{gap:20px}.steps p{font-size:14px}.awards-grid,.rules-grid{grid-template-columns:1fr;gap:30px}.awards-band{padding:48px 0}.awards-grid h2{font-size:43px}.rules-section .text-link{margin:20px 0 0;display:flex}.timeline{gap:12px}.timeline strong{font-size:17px}.timeline span{font-size:12px}.terminal pre{padding:16px;font-size:11px}.terminal-bar{font-size:10px}.site-footer{grid-template-columns:1fr}.participate-band{padding:48px 0}.faq summary{font-size:16px}.research-line{gap:18px}.eyebrow{font-size:11px}} @media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* Homepage: atmosphere behind the information, never over it. */
:root{--paper:#f5f7f8;--ink:#173b32;--muted:#5e736c;--line:#cbd7d2}
.wrap{max-width:1360px;padding-left:64px;padding-right:64px}.site-header{height:78px;min-height:78px;padding:0 64px;background:#f5f7f8f5;border-color:#dbe3df}.site-header nav{gap:32px}.brand{font-size:25px}.hero{min-height:max(690px,calc(100svh - 78px));display:flex;isolation:isolate;overflow:hidden}.hero-field{position:absolute;inset:0;z-index:-2;pointer-events:none}.hero-field canvas{display:block;width:100%;height:100%}.field-fallback{position:absolute;width:100%;height:100%;object-fit:cover;opacity:.42}.hero-field.ready .field-fallback{display:none}.hero:after{content:'';position:absolute;inset:0;z-index:-1;pointer-events:none;background:linear-gradient(180deg,#f5f7f822,transparent 22%,transparent 70%,#f5f7f87a)}.hero-inner{width:100%;display:flex;flex-direction:column;padding-top:clamp(44px,7vh,90px);padding-bottom:18px}.hero-copy{padding:0;position:relative;z-index:1;max-width:1020px}.hero .eyebrow{font-size:11px;letter-spacing:2px;margin-bottom:28px;display:table}.hero #hero-title{font-size:clamp(64px,7.1vw,110px);font-weight:400;line-height:1.02;letter-spacing:-5px;display:table;margin:0 0 27px}.hero #hero-title span{color:#286e5c}.hero .lead{font-size:19px;max-width:none;display:table;margin-bottom:32px}.hero-actions{display:flex;gap:15px;width:fit-content}.button{border-radius:3px;gap:22px;min-height:52px;padding:13px 23px;font-size:13px}.button.primary{border-color:#286e5c;background:#b4f889}.button.ghost{background:#f5f7f8e8;border-color:#9ab0a5}.hero .registration-note{font-size:11px;color:#667d72;margin:13px 0 0;width:fit-content}.protected{position:relative;isolation:isolate}.protected:before{content:'';position:absolute;inset:-12px -17px;background:rgba(245,247,248,.96);filter:blur(12px);z-index:-1;pointer-events:none;border-radius:12px}.hero-bottom{display:grid;grid-template-columns:1fr 250px;gap:80px;margin-top:auto;padding-top:62px;padding-bottom:30px}.hero-timeline{max-width:740px}.timeline-label{display:flex;justify-content:space-between;font:10px var(--font-site);letter-spacing:1.2px;padding-bottom:13px;border-bottom:1px solid #bbcfc5}.timeline-label span{color:var(--muted);letter-spacing:0}.hero-timeline ol{display:grid;grid-template-columns:repeat(3,1fr);list-style:none;margin:16px 0 0;padding:0;gap:20px}.hero-timeline li{position:relative}.hero-timeline time{font:12px var(--font-site);display:flex;align-items:baseline;gap:9px}.hero-timeline time strong{font:36px/1.2 var(--font-site);letter-spacing:-1px;font-weight:400}.hero-timeline li>span{display:block;margin-top:7px;font-size:12px;color:#556f62}.hero-team>span{display:block;font:10px var(--font-site);letter-spacing:1px;margin-bottom:15px}.hero-team>strong{display:block;font:36px/1 var(--font-site);letter-spacing:-1px}.hero-team small{font:13px var(--font-site);letter-spacing:0}.hero-team a{display:flex;justify-content:space-between;margin-top:18px;font-size:12px;text-decoration:none}.hero-footnote{display:flex;align-items:center;justify-content:space-between;font:8px var(--font-site);letter-spacing:1.2px;color:#758b81;padding-top:10px}.hero-footnote button{font:10px var(--font-site);letter-spacing:0;color:#5e766b;border:0;background:transparent;min-height:32px;padding:5px 0}.hero-footnote .protected:before{inset:-4px -10px;filter:blur(6px)}
/* A full second section devoted to the rules and their examples. */
.section{padding-top:88px;padding-bottom:88px}.rules-section{background:#edf2ef;border-top:1px solid #ccd9d1}.eyebrow{letter-spacing:1.5px;font-size:11px;font-weight:400;color:#5e7b6c}h2{font-size:clamp(38px,4vw,58px);line-height:1.08;font-weight:400;letter-spacing:-2px}h3{font-weight:400;letter-spacing:-.4px}.heading-split{max-width:none;display:flex;justify-content:space-between;align-items:flex-end;gap:48px;margin-bottom:48px}.heading-split h2{margin-bottom:0}.heading-split>p{font-size:15px;line-height:1.7;color:var(--muted);margin:0 0 3px;max-width:390px}.rules-layout{display:grid;grid-template-columns:1.05fr 1fr;gap:76px}.rule-row{display:flex;gap:23px;padding:22px 0;border-top:1px solid #c5d4ca}.rule-number{font:11px var(--font-site);color:#7d9588;padding-top:3px}.rule-label{display:block;font:10px var(--font-site);letter-spacing:1px;color:#617d6d;margin-bottom:12px}.rule-row h3{font-size:21px;line-height:1.25;margin-bottom:6px}.rule-row h3 small{font-size:14px}.rule-row p{font-size:13px;color:var(--muted);margin:0}.rule-facts>.text-link{margin:20px 0 0!important}.evaluation-demo{padding:28px;background:#fafcfb;border:1px solid #d4e0d8;border-radius:8px}.demo-topline{display:flex;justify-content:space-between;align-items:center;gap:10px;font:9px var(--font-site);color:#6b8477;letter-spacing:.7px;margin-bottom:25px}.demo-badge{padding:4px 8px;border:1px solid #d3e1d8;border-radius:20px;letter-spacing:0}.evaluation-demo h3{font-size:25px;margin-bottom:10px}.evaluation-demo>p{font-size:13px;color:var(--muted);max-width:370px}.task-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:5px;margin:24px 0 12px}.task-cell{display:flex;justify-content:center;align-items:center;height:27px;border:1px solid #dce6e0;border-radius:2px;font:9px var(--font-site);color:#90a69a;background:#eef3f0;transition:background .3s,color .3s,border-color .3s}.task-cell.public{background:#c4dcd0;color:#356b51;border-color:#b8d2c2}.task-grid.evaluated .task-cell{border-color:#739885;background:#c9ded1;color:#35634b}.task-grid.evaluated .task-cell.public{background:#39745a;color:#fff}.task-key{display:flex;gap:18px;font:10px var(--font-site);color:#6f8479}.task-key i{display:inline-block;width:6px;height:6px;background:#729e84;margin-right:5px}.task-key span+span i{background:#d3dfd8}.attempts{display:flex;gap:7px;align-items:center;padding:22px 0 16px}.attempts>span{font:10px var(--font-site);display:grid;place-items:center;width:29px;height:29px;border:1px solid #ccdbd1;border-radius:50%;color:#879d90}.attempts>span.used{background:#376c54;border-color:#376c54;color:white}.attempts>strong{margin-left:auto;font:11px var(--font-site)}.demo-actions{display:flex;gap:18px;align-items:center}.button.dark{background:#244e3d;border-color:#244e3d;color:white;font-size:12px;min-height:43px;padding:10px 15px;flex:1}.button:disabled{cursor:default;opacity:.55}.reset{border:0;background:transparent;color:#627e6e;font-size:11px;text-decoration:underline;padding:10px 0}.evaluation-demo .demo-result{font:10px/1.7 var(--font-site);min-height:34px;margin:15px 0 0}.prize-overview{display:grid;grid-template-columns:1fr 1fr;gap:76px;border-top:1px solid #c5d4ca;margin-top:52px;padding-top:36px}.prize-overview h3{font-size:43px;letter-spacing:-1.7px;margin-bottom:14px}.prize-overview p{font-size:14px;color:var(--muted);max-width:475px}.place-amounts{display:flex;flex-wrap:wrap;gap:20px;font:12px var(--font-site);margin-top:24px}.place-amounts small{font-size:9px;color:#809887;margin-right:5px}.challenger-prize h3{color:#286e5c}.award-demo{display:grid;grid-template-columns:1fr 1.55fr;gap:55px;margin-top:44px;padding-top:34px;border-top:1px solid #c5d4ca}.award-demo h3{font-size:27px}.award-demo p{font-size:13px;color:var(--muted);max-width:540px}.scenario-buttons{display:flex;gap:7px;flex-wrap:wrap;margin-bottom:20px}.scenario-buttons button{padding:8px 11px;border:1px solid #c8d8ce;border-radius:4px;font-size:11px;color:#5c7666;background:transparent}.scenario-buttons button[aria-pressed=true]{background:#244e3d;color:#fff;border-color:#244e3d}#award-result{min-height:104px}#award-result strong{font-size:20px;font-weight:400;display:block;margin-bottom:8px}.award-example>small{display:block;font-size:10px;line-height:1.7;color:#6c8175;max-width:580px}.flow-section{background:#fafcfb}.flow-tabs{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:30px}.flow-tabs button{display:flex;align-items:center;gap:17px;text-align:left;background:transparent;border:0;border-top:1px solid #c6d6cc;color:#688573;padding:18px 0;font-size:18px}.flow-tabs button>span:first-child{font:10px var(--font-site)}.flow-tabs button>span:last-child{margin-left:auto;font-size:15px}.flow-tabs button[aria-pressed=true]{border-top:2px solid #315e49;color:#1f4d37;padding-top:17px}.flow-demo{display:grid;grid-template-columns:1fr 1fr;gap:55px;border:1px solid #d4dfd8;padding:38px;margin-bottom:34px;border-radius:6px}.flow-illustration{display:flex;flex-direction:column;justify-content:center;background:#edf3ee;border-radius:5px;padding:28px}.flow-illustration>span{font:9px var(--font-site);letter-spacing:1.2px;color:#5d8069}.flow-nodes{display:flex;align-items:center;gap:9px;margin:24px 0;justify-content:space-between}.flow-nodes span{background:#fafcfb;border:1px solid #c8d9cd;padding:14px 9px;font-size:12px;border-radius:3px;text-align:center;flex:1}.flow-nodes i{font-style:normal;color:#8ca797}.flow-loop{font:10px/1.5 var(--font-site);color:#749080;border-top:1px dashed #c2d6c8;padding-top:13px}.flow-explanation{min-height:210px;padding:10px 0}.flow-explanation h3{font-size:26px}.flow-explanation p{font-size:14px;color:var(--muted);margin-bottom:18px}.flow-note{display:block;font:10px/1.7 var(--font-site);color:#768b7e}.research-line a{font-weight:400}.site-footer{border-top:1px solid var(--line)}
@media(max-width:1050px){.wrap{padding-left:36px;padding-right:36px}.hero #hero-title{letter-spacing:-3px}.hero-bottom{gap:40px}.rules-layout,.prize-overview{gap:36px}.flow-demo{gap:28px;padding:26px}.award-demo{gap:30px}.hero-team{min-width:210px}}
@media(max-width:700px){.wrap{padding-left:24px;padding-right:24px}.hero #hero-title{font-size:52px;letter-spacing:-2px}.hero-bottom{grid-template-columns:1fr;gap:28px}.hero-team{max-width:260px}.rules-layout,.prize-overview,.award-demo,.flow-demo{grid-template-columns:1fr}.heading-split{display:block}.heading-split>p{margin-top:22px}.hero-footnote>span{max-width:210px;line-height:1.8}.flow-tabs{gap:10px}.flow-tabs button{font-size:13px;gap:8px}.hero-actions{flex-wrap:wrap}.hero-timeline time strong{font-size:29px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.task-cell{transition:none}}

/* Reference title treatment: glyph halos instead of rectangular backplates. */
:root{--selection-lime:#b4f889;--selection-ink:#122d20}
::selection{background:var(--selection-lime);color:var(--selection-ink);text-shadow:none}
.hero:after{background:radial-gradient(ellipse 66% 53% at var(--wash-x,24%) var(--wash-y,25%),rgba(245,247,248,.52) 0%,rgba(245,247,248,.18) 54%,transparent 85%),linear-gradient(180deg,rgba(245,247,248,.10),transparent 25%,transparent 63%,rgba(245,247,248,.65) 100%)}
.protected:before,.hero-footnote .protected:before{content:none}
.protected{text-shadow:0 0 3px rgba(245,247,248,.96),0 0 10px rgba(245,247,248,.9),0 0 22px rgba(245,247,248,.7)}
.hero #hero-title{text-shadow:none}.hero #hero-title .title-line,.hero #hero-title .motion-surface{color:inherit;display:inline-block;max-width:100%}.hero #hero-title em{font-style:normal;color:#286e5c}
.hero #hero-title .motion-surface{text-shadow:0 1px 2px rgba(245,247,248,.98),0 0 9px rgba(245,247,248,.92),0 0 24px rgba(245,247,248,.8);transform:translate(0,0)}
.hero-actions .button{text-shadow:none}.hero-team,.hero-timeline{color:#173b32}.hero-footnote{color:#526b5e}
@media(hover:hover) and (pointer:fine) and (prefers-reduced-motion:no-preference){
 .hero #hero-title .motion-surface{transform:translate(var(--shift-x,0px),var(--shift-y,0px));transition:transform .35s cubic-bezier(.22,1,.36,1),text-shadow .35s ease}
 .title-line.is-hovered .motion-surface{text-shadow:2px 1px 0 rgba(40,110,92,.16),0 0 9px rgba(245,247,248,.92),0 0 24px rgba(245,247,248,.8)}
 .hero #hero-title.is-selecting .motion-surface{transform:none;transition:none}
}
@media(prefers-reduced-motion:reduce),(hover:none),(pointer:coarse){.hero #hero-title .motion-surface{transform:none!important;transition:none!important}}

/* Keep the scientific illustration in the page's upper-right corner. */
.hero-field{inset:auto;top:0;right:-30px;width:min(60vw,900px);height:clamp(280px,30vw,430px);mask-image:radial-gradient(ellipse 85% 83% at 75% 22%,#000 28%,rgba(0,0,0,.86) 52%,transparent 88%);-webkit-mask-image:radial-gradient(ellipse 85% 83% at 75% 22%,#000 28%,rgba(0,0,0,.86) 52%,transparent 88%)}
.hero-field .field-fallback{object-fit:fill}

/* The annotation follows the corner illustration, with a quiet resting state. */
.field-caption{position:absolute;top:calc(clamp(280px,30vw,430px) + 8px);right:clamp(24px,4.4vw,64px);width:min(365px,calc(60vw - 64px));z-index:2;color:#395e4b;opacity:.16;transition:opacity .35s ease;font:9px/1.7 var(--font-site);letter-spacing:.1px}
.field-caption p{font-size:10px;letter-spacing:1.5px;margin:0 0 4px}.field-caption>span{display:block}.field-caption>div{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:3px}.field-caption button{border:0;background:transparent;color:inherit;font:9px var(--font-site);padding:7px 0 7px 7px;white-space:nowrap;min-height:32px}/* Touch scrolling must not latch the scientific caption into its hover state. */
@media(min-width:701px) and (hover:hover) and (pointer:fine){
 .hero.field-caption-visible .field-caption,.field-caption:hover{opacity:1}
}
.field-caption:has(:focus-visible){opacity:1}
@media(prefers-reduced-motion:reduce){.field-caption{transition:none}}

/* Information order: identity → invitation → one participation area → rules. */
.hero-inner{padding-top:clamp(30px,4.8vh,55px);padding-bottom:20px}.hero-copy{max-width:900px}.hero .eyebrow{margin-bottom:21px}.hero #hero-title{font-size:clamp(58px,5.8vw,88px);letter-spacing:-3.5px;margin-bottom:18px}.event-intro{font-size:16px;line-height:1.55;color:#556f62;margin:0 0 17px;max-width:665px}.hero-slogan{font-size:clamp(21px,2vw,28px);font-weight:400;line-height:1.3;letter-spacing:-.6px;color:#1c503a;display:table;margin:0 0 22px}
.entry-basics{position:relative;z-index:3;margin-top:auto;padding-top:28px}.basics-heading{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:13px}.basics-heading h2{font:18px/1.4 var(--font-site);letter-spacing:-.3px;margin:0;color:#385e49}.basics-heading>span{font:9px var(--font-site);letter-spacing:1.3px;color:#758d7e}.entry-timeline{display:grid;grid-template-columns:180px 1fr;align-items:center;padding:20px 24px;background:#edf2eefa;border:1px solid #cbd9cf;border-bottom:0;border-radius:5px 5px 0 0}.basic-label{display:block;font:9px/1.5 var(--font-site);letter-spacing:1.2px;color:#6b8575}.basic-label small{display:block;font:9px var(--font-site);letter-spacing:0;margin-top:7px}.entry-timeline ol{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin:0;padding:0}.entry-timeline li{display:flex;align-items:center;gap:13px}.entry-timeline time{display:flex;align-items:baseline;gap:5px;font:10px var(--font-site);white-space:nowrap}.entry-timeline time strong{font:30px/1 var(--font-site);letter-spacing:-1px}.entry-timeline li>span{font-size:11px;max-width:85px;line-height:1.4;color:#5c7767}.entry-details{display:grid;grid-template-columns:1fr 1.12fr 245px;gap:30px;border:1px solid #cbd9cf;background:#f5f7f8fa;border-radius:0 0 5px 5px;padding:23px 24px}.entry-details h3{font-size:16px;line-height:1.35;margin:7px 0 6px;letter-spacing:-.2px}.entry-details p{font-size:12px;line-height:1.6;color:#607769;margin:0;max-width:350px}.entry-how{border-left:1px solid #d7e0d9;padding-left:28px}.entry-register{display:flex;flex-direction:column;justify-content:center;gap:9px}.register-now{width:100%;min-height:64px;justify-content:space-between;font-size:20px;font-weight:400;padding:16px 21px;letter-spacing:-.4px}.register-now .icon{height:22px;width:22px}.entry-register>span{text-align:center;font-size:10px;color:#768b7e}.rules-scroll{display:flex;justify-content:space-between;align-items:center;align-self:stretch;padding-top:18px;font:11px var(--font-site);color:#607d6a;text-decoration:none}.rules-scroll>span:last-child{font-size:20px;color:#315e49}.rules-scroll:hover{color:#244e3d}
#registration-dialog{width:min(520px,calc(100vw - 48px));border:1px solid #c5d6cb;border-radius:9px;padding:42px;background:#f5f7f8;color:var(--ink);box-shadow:0 20px 80px #183c3026}#registration-dialog::backdrop{background:#173b3255;backdrop-filter:blur(5px)}#registration-dialog h2{font-size:38px;margin-bottom:20px;letter-spacing:-1px}#registration-dialog>p:not(.eyebrow){font-size:15px;color:#5e7667;line-height:1.65}.dialog-close{position:absolute;right:12px;top:10px;min-height:36px;width:36px;border:0;background:transparent;color:#5e7667;font-size:25px}#registration-dialog .dialog-note{font-size:11px!important;margin:20px 0 0}
@media(max-width:1050px){.entry-timeline{grid-template-columns:120px 1fr}.entry-details{grid-template-columns:1fr 1fr 210px;gap:20px;padding:20px}.entry-how{padding-left:20px}.entry-timeline li{gap:9px}.hero #hero-title{letter-spacing:-2px}}
@media(max-width:700px){.entry-details{grid-template-columns:1fr}.entry-how{border-left:0;padding-left:0}.entry-timeline{grid-template-columns:1fr;gap:20px}.entry-timeline li{display:block}.entry-timeline li>span{display:block;margin-top:8px}.hero #hero-title{font-size:48px}.basics-heading>span{display:none}.entry-register{max-width:320px}.event-intro br{display:none}}

/* Match the supplied desktop reference: open spacing and a permanent lime slogan. */
@media(min-width:1051px){
 .hero-inner{padding-top:clamp(44px,6.4vh,60px);padding-bottom:38px}
 .hero #hero-title{font-size:clamp(64px,5.8vw,88px);line-height:1.02}
 .entry-basics{margin-top:0;padding-top:28px}
 .hero-field{height:clamp(280px,23vw,370px)}
 .field-caption{top:calc(clamp(280px,23vw,370px) + 8px)}
 .entry-who p{max-width:420px}
}
.hero-slogan{color:var(--selection-ink);text-shadow:none}
.hero-slogan mark{background:var(--selection-lime);color:var(--selection-ink);padding:1px 0 3px;text-shadow:none;box-decoration-break:clone;-webkit-box-decoration-break:clone}
.hero-slogan mark::selection{background:#122d20;color:#b4f889}
.register-now{background:#b4f889;border-color:#286e5c}

/* A visible, clickable downward invitation to the second section. */
.rules-scroll{display:flex;flex-direction:column;align-items:center;justify-content:center;align-self:center;gap:12px;margin:18px auto 0;padding:12px 32px 8px;min-width:220px;color:#315e49;text-align:center;border-radius:6px;cursor:pointer;transition:background .2s ease,color .2s ease}
.scroll-guide-copy{display:flex;flex-direction:column;gap:5px}.scroll-guide-label{font:9px/1.4 var(--font-site);letter-spacing:1.8px;color:#6b8575}.scroll-guide-copy strong{font:400 15px/1.4 var(--font-site);letter-spacing:.1px;text-underline-offset:4px}.scroll-guide-arrow{display:block;flex:none;color:#315e49;animation:scroll-guide-drift 2.8s ease-in-out infinite}
.rules-scroll:hover,.rules-scroll:focus-visible{background:#e6eee8;color:#173b32}.rules-scroll:hover .scroll-guide-copy strong,.rules-scroll:focus-visible .scroll-guide-copy strong{text-decoration:underline}
@keyframes scroll-guide-drift{0%,100%{transform:translateY(0)}50%{transform:translateY(6px)}}
@media(prefers-reduced-motion:reduce){.scroll-guide-arrow{animation:none}.rules-scroll{transition:none}}

/* Compact page-edge cue; participation labels are primary reading anchors. */
.hero-inner{padding-bottom:0}
.rules-scroll{display:block;position:relative;flex:none;align-self:stretch;width:100%;height:42px;min-width:0;margin:18px 0 0;padding:0;overflow:hidden;border-radius:0;color:#315e49;text-align:center;background:transparent}
.rules-scroll .rules-peek{display:block;font:400 76px/1 var(--font-site);letter-spacing:-3px;color:inherit;transform:translateY(5px);transition:transform .25s ease,color .25s ease}
.rules-scroll:hover,.rules-scroll:focus-visible{background:transparent;color:#173b32}
.rules-scroll:hover .rules-peek,.rules-scroll:focus-visible .rules-peek{transform:translateY(1px)}
.basic-label{font:400 15px/1.45 var(--font-site);letter-spacing:1.1px;color:#315e49}
.basic-label small{font:12px/1.45 var(--font-site);letter-spacing:0;color:#5c7767;margin-top:7px}
.entry-details h3{margin-top:10px}.entry-timeline{padding-top:18px;padding-bottom:18px}
@media(prefers-reduced-motion:reduce){.rules-scroll .rules-peek{transition:none}}

/* Anchor section dividers align with the bottom of the sticky navigation. */
html{scroll-padding-top:var(--nav-height,78px)}
.hero[id],.section[id]{scroll-margin-top:0}
.hero-inner{padding-bottom:28px}
.entry-basics .prize-overview{grid-template-columns:1fr 1.12fr;gap:32px;margin:0;padding:20px 24px;border:1px solid #cbd9cf;border-top:0;border-radius:0 0 5px 5px;background:#edf2eefa}
.entry-basics .entry-details{border-radius:0}
.entry-basics .prize-overview article{display:grid;grid-template-columns:auto 1fr;column-gap:20px;align-content:start}
.entry-basics .prize-overview .rule-label{grid-column:1/-1;font:400 12px/1.4 var(--font-site);letter-spacing:.9px;margin-bottom:8px;color:#3f6650}
.entry-basics .prize-overview h3{font-size:30px;line-height:1.2;letter-spacing:-1px;margin:0;white-space:nowrap}
.entry-basics .prize-overview p{font-size:11px;line-height:1.6;margin:0;max-width:none}
.entry-basics .place-amounts{grid-column:1/-1;gap:17px;font-size:11px;margin-top:10px}
@media(max-width:700px){.entry-basics .prize-overview{grid-template-columns:1fr;gap:24px}.entry-basics .prize-overview article{grid-template-columns:1fr}.entry-basics .prize-overview p{margin-top:8px}}

/* Shift the editorial column left without moving the corner illustration. */
@media(min-width:1051px){
 .wrap{margin-left:0;margin-right:auto;padding-left:clamp(40px,4.4vw,72px)}
 .field-caption{right:clamp(56px,6.4vw,104px)}
}

/* Open participation layout; the timeline itself supplies its structure. */
body,.section,.rules-section,.flow-section,.partners-section,.participate-band,.site-footer{background:#fff}
.hero{background:#f1f5f2}.site-header{background:#fffffffa}.hero .entry-timeline,.hero .entry-details,.hero .entry-basics .prize-overview{border:0;border-radius:0;background:transparent;padding-left:0;padding-right:0;box-shadow:none}
.entry-timeline{grid-template-columns:160px 1fr;padding-bottom:26px!important;align-items:start}.entry-timeline>.basic-label{padding-top:2px}.entry-timeline ol{position:relative;gap:0;padding-top:25px}.entry-timeline ol:before{content:'';position:absolute;top:7px;left:6px;right:calc(33.333% - 6px);height:1px;background:#9bb4a4}.entry-timeline li{position:relative;display:block;padding-right:24px}.entry-timeline li:before{content:'';position:absolute;left:0;top:-23px;width:11px;height:11px;border:2px solid #759584;border-radius:50%;background:#f1f5f2;box-shadow:0 0 0 5px #f1f5f2}.entry-timeline li:first-child:before{background:#49715b;border-color:#49715b}.entry-timeline time{gap:8px}.entry-timeline time strong{font-size:34px}.entry-timeline li>span{display:block;max-width:none;margin-top:8px;font-size:13px}.entry-details{padding-top:16px;padding-bottom:22px}.entry-how{border-left:1px solid #b8cbbc}.entry-basics .prize-overview{padding-top:18px;padding-bottom:20px}.rules-section{border-top:1px solid #e4e8e5}.flow-section,.partners-section{border-color:#e4e8e5}.flow-illustration{background:#f6f7f6}.flow-nodes span{background:#fff;border-color:#dfe4e0}.terminal-bar{background:#f5f6f5}

/* A guided evaluation, with the explanation beside the active scene. */
.rules-layout{grid-template-columns:minmax(290px,.78fr) minmax(0,1.22fr);gap:48px;align-items:start}.evaluation-demo{background:#fff;border:1px solid #e0e5e1;box-shadow:0 8px 35px #20332a05;border-radius:10px;padding:26px}.evaluation-demo h3{font-size:25px;line-height:1.25;margin-bottom:9px}.evaluation-demo>.evaluation-intro{max-width:520px;margin-bottom:25px}.demo-topline{font-size:9px;margin-bottom:18px}.demo-badge{border-color:#dfe4e0;color:#7b837e;letter-spacing:0}.eval-walkthrough{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:26px;min-height:366px}.eval-visual{min-width:0}.eval-path{position:relative;display:flex;flex-direction:column;gap:19px}.eval-path:before,.eval-path-progress{position:absolute;content:'';top:16px;left:14px;width:2px;height:calc(100% - 32px);background:#e3e8e4;z-index:0}.eval-path-progress{background:#a5c598;transform:scaleY(var(--eval-progress,0));transform-origin:top;transition:transform .8s cubic-bezier(.22,1,.36,1)}.eval-station{position:relative;display:flex;align-items:center;gap:12px;min-height:39px;color:#87928a;transition:color .5s ease}.eval-station i{position:relative;display:grid;place-items:center;width:30px;height:30px;flex:none;border-radius:50%;border:1px solid #d8e0db;background:#fff;font:11px var(--font-site);transition:background .5s,border-color .5s,color .5s;z-index:1}.eval-station>span{font-size:13px;line-height:1.4}.eval-station small{display:block;font-size:10px;color:#8b958f;margin-top:2px}.eval-station.active{color:#193f2c}.eval-station.active i{border-color:#7fa574;background:#e5f0df;color:#254c2c;box-shadow:0 0 0 5px #f2f6ef}.eval-station.complete{color:#55775e}.eval-station.complete i{background:#365d40;color:#fff;border-color:#365d40}.eval-scene{margin-top:24px;min-height:126px;background:#f7f8f6;border-radius:7px;padding:15px 14px;overflow:hidden}.eval-scene-panel[hidden]{display:none!important}.scene-kicker{display:block;font:8px/1.5 var(--font-site);letter-spacing:.8px;color:#7b887d;margin-bottom:11px}.eval-scene-panel>strong{display:block;font-size:17px;font-weight:400}.eval-scene-panel>p{font-size:10px;line-height:1.6;color:#778478;margin:10px 0 0}.harness-pair{display:flex;align-items:center;gap:12px}.harness-pair b{padding:7px 9px;background:#fff;border:1px solid #d8e2d7;border-radius:4px;font-size:13px;font-weight:400}.harness-pair>span{color:#98aa96}.task-pair{display:flex;align-items:center;justify-content:space-between;gap:8px}.task-pair strong{display:block;font:28px/1.2 var(--font-site);font-weight:400;letter-spacing:-1px}.task-pair span{font-size:9px;color:#7b887d}.task-pair>b{font-size:13px;font-weight:400;color:#90a08b}.evidence-chain{display:flex;align-items:center;justify-content:space-between;gap:4px;font-size:10px}.evidence-chain i{font-style:normal;color:#8c9e89}.eval-explanation{padding-left:22px;border-left:1px solid #e4e8e3;min-height:350px}.eval-explanation>.rule-label{font-size:9px;line-height:1.6;letter-spacing:.5px;color:#7d8b7d;margin-bottom:12px}.eval-explanation h4{font-size:22px;line-height:1.25;letter-spacing:-.5px;font-weight:400;margin:0 0 15px;color:#223e2b}.eval-explanation>p{font-size:13px;line-height:1.75;color:#61705f;margin-bottom:22px}.eval-takeaway{padding:13px 0 0;border-top:1px solid #e1e7dd}.eval-takeaway>span{font:8px var(--font-site);letter-spacing:1.2px;color:#87937e}.eval-takeaway p{font-size:12px;line-height:1.6;color:#385635;margin:8px 0 0}.eval-quota{display:flex;align-items:center;gap:12px;border-top:1px solid #e5e9e3;margin-top:22px;padding:17px 0}.eval-quota>span{font-size:11px;color:#74806f}.eval-quota .attempts{padding:0;margin-left:auto}.eval-quota>strong{font:11px var(--font-site);color:#486343}.eval-quota .attempts>span{width:24px;height:24px;font-size:10px}.demo-actions{gap:10px;flex-wrap:wrap}.demo-actions .button{font-size:11px;min-height:42px;padding:10px 13px}.demo-actions .dark{background:#2e4934;border-color:#2e4934;flex:1}.step-button{background:#fff;border-color:#d3ddce;color:#506c47}.evaluation-demo .demo-result{min-height:34px;color:#7b8776;font:10px/1.7 var(--font-site);margin-bottom:0}.evaluation-demo .reset{font-size:10px;margin-left:3px}
@media(max-width:1050px){.rules-layout{grid-template-columns:1fr;gap:35px}.evaluation-demo{max-width:740px}.entry-timeline{grid-template-columns:120px 1fr}}
@media(max-width:700px){.entry-timeline{grid-template-columns:1fr;gap:20px}.eval-walkthrough{grid-template-columns:1fr}.eval-explanation{border-left:0;border-top:1px solid #e4e8e3;padding:22px 0 0;min-height:0}.entry-timeline li>span{font-size:11px}.entry-timeline time strong{font-size:28px}}
@media(prefers-reduced-motion:reduce){.eval-path-progress,.eval-station,.eval-station i{transition:none}}
@media(min-width:1051px){.eval-walkthrough{min-height:440px}}

/* Timeline: the event leads; month and day share one typographic treatment. */
.entry-timeline li>.timeline-event{display:block;font:400 14px/1.45 var(--font-site);color:#315e49;margin:0 0 8px;max-width:none}
.entry-timeline time{display:block;font:12px/1.5 var(--font-site);letter-spacing:.2px;color:#5c7767}

/* Desktop rules: use the width, keep the single control at the top. */
.rules-section .heading-split{margin-bottom:22px;align-items:center}.rules-section .heading-split .eyebrow{margin-bottom:10px}.rules-section .heading-split>.text-link{margin:0;font-size:12px;white-space:nowrap}.rules-layout{display:flex;flex-direction:column;gap:20px}.rule-facts{width:100%;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:26px}.rule-row{gap:12px;padding:14px 0 0}.rule-row .rule-label{margin-bottom:7px;font-size:9px}.rule-row h3{font-size:17px;line-height:1.3;margin-bottom:6px}.rule-row p{font-size:11px;line-height:1.6}.rule-number{font-size:10px}.evaluation-demo{width:100%;max-width:none;padding:19px 24px 12px;border-radius:7px}.eval-header{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-bottom:18px}.eval-eyebrow{font:8px/1.5 var(--font-site);letter-spacing:1px;color:#7b887d}.eval-header h3{font-size:21px;margin:5px 0 0;line-height:1.3}.eval-header-actions{display:flex;align-items:center;gap:18px;flex:none}.eval-header-actions .step-button{min-width:151px;min-height:42px;padding:9px 18px;border:1px solid #365d40;background:#365d40;color:white;font-size:13px;justify-content:space-between}.eval-header-actions .step-button:hover:not(:disabled){background:#26472e}.eval-header-actions .reset{font-size:11px}.eval-path{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:19px}.eval-path:before,.eval-path-progress{left:12.5%;top:14px;width:75%;height:2px}.eval-path-progress{transform:scaleX(var(--eval-progress,0));transform-origin:left}.eval-station{flex-direction:column;align-items:center;gap:6px;min-height:0;text-align:center}.eval-station>span{background:#fff;padding:0 7px;font-size:12px}.eval-station small{display:none}.eval-station i{width:29px;height:29px}.eval-walkthrough{grid-template-columns:minmax(240px,.85fr) minmax(0,1.65fr);gap:27px;min-height:0;align-items:stretch}.eval-explanation{min-height:145px;padding-left:27px}.eval-explanation>.rule-label{margin-bottom:5px;font-size:8px}.eval-explanation h4{font-size:20px;line-height:1.2;margin-bottom:8px}.eval-explanation>p{font-size:12px;line-height:1.65;margin:0 0 9px}.eval-takeaway{padding:0;border:0}.eval-takeaway>span{display:none}.eval-takeaway p{margin:0;font-size:11px;line-height:1.5;font-weight:400}.eval-scene{margin:0;min-height:145px;height:100%;display:flex;align-items:center;padding:18px 22px}.eval-scene-panel{width:100%}.eval-scene-panel>p{font-size:11px;margin-top:11px}.harness-pair b{font-size:17px}.task-pair{justify-content:flex-start;gap:22px}.evidence-chain{justify-content:flex-start;gap:14px;font-size:12px}.eval-quota{margin-top:13px;padding:9px 0;border-top:1px solid #e5e9e3;justify-content:flex-end}.eval-quota .attempts{margin-left:0}.eval-quota>span{margin-right:auto}.evaluation-demo .demo-result{margin-top:0;min-height:0;font-size:9px;line-height:1.5}.award-demo{margin-top:32px;padding-top:25px}
@media(min-width:1051px) and (max-height:800px){.rules-section .heading-split{margin-bottom:16px}.rules-layout{gap:16px}.eval-header{margin-bottom:13px}.evaluation-demo{padding-top:15px}.eval-path{margin-bottom:14px}.eval-explanation,.eval-scene{min-height:133px}}
@media(max-width:900px){.rule-facts{grid-template-columns:repeat(2,1fr)}.rules-section .heading-split{flex-wrap:wrap}.eval-walkthrough{grid-template-columns:1fr 1.4fr}}
@media(max-width:600px){.eval-header{align-items:flex-start;flex-wrap:wrap;gap:12px}.eval-header-actions{margin-left:auto}.eval-walkthrough{grid-template-columns:1fr}.eval-explanation{padding:16px 0 0;border-left:0;min-height:0}.eval-path{gap:7px}.eval-station>span{font-size:10px}.evaluation-demo{padding-left:16px;padding-right:16px}}

/* Two foreground accents: title green and slogan lime. */
:root{--accent:#286e5c;--accent-soft:#b4f889}
.button.primary,.register-now{background:var(--accent-soft);border-color:var(--accent-soft);color:#122d20}
.button.primary:hover,.register-now:hover{background:#a4eb78;border-color:var(--accent);color:#122d20}
.challenger-prize h3,.brand span{color:var(--accent)}
.button.dark,.demo-actions .dark,.scenario-buttons button[aria-pressed=true],.eval-header-actions .step-button{background:var(--accent);border-color:var(--accent);color:#fff}
.eval-header-actions .step-button:hover:not(:disabled){background:#205b4b;border-color:#205b4b}

.prize-number{display:inline-block;min-width:var(--number-width);text-align:right;font-variant-numeric:tabular-nums;letter-spacing:0}

/* Homepage proportions from the supplied full-width desktop reference. */
@media(min-width:1051px){
 .hero-inner.wrap{max-width:none;width:100%;margin:0;padding-left:4.2vw;padding-right:5.7vw;padding-top:clamp(72px,10.5vh,116px);padding-bottom:40px}
 .hero-copy{max-width:960px}
 .hero #hero-title{font-size:clamp(64px,5.8vw,88px);line-height:1.02;margin-bottom:24px}
 .event-intro{max-width:740px;margin-bottom:20px}
 .hero-slogan{margin-bottom:22px}
 .hero .entry-basics{width:100%;padding-top:28px;margin-top:0}
 .hero .entry-timeline{width:80%;grid-template-columns:160px minmax(0,1fr);padding-top:18px;padding-bottom:28px!important}
 .hero .entry-timeline ol{width:100%}
 .hero .entry-details{grid-template-columns:minmax(0,28.5%) minmax(0,1fr) minmax(240px,17.5%);gap:32px;padding-top:18px;padding-bottom:25px;align-items:start}
 .hero .entry-how{padding-left:28px;min-height:98px}
 .hero .entry-who p{max-width:none}
 .hero .entry-how p{max-width:390px}
 .hero .entry-register{max-width:none;width:100%;padding-top:9px}
 .hero .register-now{min-height:72px;padding:18px 24px;font-size:22px}
 .hero .entry-basics .prize-overview{grid-template-columns:minmax(0,28.5%) minmax(0,1fr) minmax(240px,17.5%);gap:32px;padding-top:18px;padding-bottom:12px;align-items:start}
 .hero .prize-overview .challenger-prize{padding-left:28px}
 .hero .prize-overview article{column-gap:18px}
 .hero .prize-overview p{max-width:440px}
 .hero .place-amounts{gap:17px;margin-top:13px}
}
@media(min-width:1051px) and (max-height:780px){
 .hero-inner.wrap{padding-top:48px;padding-bottom:24px}
 .hero .entry-basics{padding-top:16px}
 .hero .entry-details{padding-top:12px;padding-bottom:16px}
}

/* Keep content available at smaller viewports and zoom levels. */
.site-header{height:auto;min-height:78px}
.wrap{width:100%;min-width:0}
.hero{overflow:visible}
.hero-field{right:0;overflow:hidden}
.hero-inner,.hero-copy,.entry-basics,.entry-details>*,.prize-overview>*,.rule-facts>*,.rule-row>div,.eval-header>*,.eval-walkthrough>*,.flow-demo>*,.award-demo>*,.heading-split>*{min-width:0}
.eval-header,.eval-header-actions,.eval-quota{flex-wrap:wrap}
.eval-header-actions{margin-left:auto;max-width:100%}
.eval-explanation,.eval-scene,.evaluation-demo{height:auto;max-height:none;overflow:visible}
.eval-scene-panel{min-width:0;overflow-wrap:anywhere}
.task-pair,.evidence-chain,.harness-pair{flex-wrap:wrap}
.entry-details p,.prize-overview p,.rule-row p,.eval-explanation p,.heading-split h2{overflow-wrap:anywhere}
@media(max-width:1050px){
 .heading-split{flex-wrap:wrap;gap:20px}
 .entry-basics .prize-overview article{grid-template-columns:minmax(0,1fr)}
 .entry-basics .prize-overview p{margin-top:8px}
 .hero .prize-overview h3{font-size:clamp(24px,3.2vw,30px)}
}
@media(max-width:600px){
 .eval-header-actions{width:100%;justify-content:flex-end}
 .eval-header-actions .step-button{min-width:0;max-width:100%}
 .eval-quota{gap:8px}
 .site-header{padding-inline:20px}
}

/* One homepage, with its existing text moving from center to its final layout. */
.hero-stage{position:relative;background:#f1f5f2}
.hero-stage.is-staged{height:var(--stage-height)}
.hero-stage.is-staged>.hero{position:sticky;top:var(--nav-height,78px);min-height:calc(100svh - var(--nav-height,78px))}
.hero-stage .intro-line{display:block;width:fit-content;max-width:100%}
.hero-stage.is-staged .hero-copy .title-line,.hero-stage.is-staged .intro-line,.hero-stage.is-staged .hero-slogan{transform-origin:0 0;will-change:transform}
.hero-stage.is-staged .hero-copy{z-index:3}
.hero-stage.is-staged .entry-basics{opacity:var(--details-reveal,0);transform:translateY(calc((1 - var(--details-reveal,0))*28px))}
.hero-stage.is-staged .hero-field{opacity:calc(.4 + .6 * var(--details-reveal,0));transform-origin:top right;transform:scale(var(--field-scale-x,1),var(--field-scale-y,1));will-change:transform;mask-image:radial-gradient(ellipse 85% 83% at var(--field-mask-x,75%) var(--field-mask-y,22%),#000 28%,rgba(0,0,0,.86) 52%,transparent 88%);-webkit-mask-image:radial-gradient(ellipse 85% 83% at var(--field-mask-x,75%) var(--field-mask-y,22%),#000 28%,rgba(0,0,0,.86) 52%,transparent 88%)}
.hero-stage.is-staged .field-caption{filter:opacity(var(--details-reveal,0))}
.hero-stage.is-staged .entry-basics[inert],.hero-stage.is-staged .field-caption[inert]{pointer-events:none}
@media(prefers-reduced-motion:reduce){.hero-stage .title-line,.hero-stage .intro-line,.hero-stage .hero-slogan{will-change:auto}}

.hero .entry-how{border-left:0}

/* Small, consistent feedback in the same forest/lime palette as the reference. */
:root{--motion-ease:cubic-bezier(.22,1,.36,1)}
.ui-motion-surface{display:inline-block;max-width:100%;vertical-align:baseline;transform:translate(0,0)}
.button,.scenario-buttons button,.flow-tabs button,.reset,.dialog-close,.terminal-bar button{transition:background-color .28s ease,color .28s ease,border-color .28s ease,box-shadow .38s var(--motion-ease),transform .24s var(--motion-ease)}
.button .icon,.text-link .icon,.flow-tabs button>span:last-child{transition:transform .38s var(--motion-ease)}
.site-header nav a{position:relative;padding-block:6px;transition:color .25s ease}
.site-header nav a::after{content:'';position:absolute;left:0;right:0;bottom:1px;height:2px;background:var(--accent);transform:scaleX(0);transform-origin:right;transition:transform .35s var(--motion-ease)}
.site-header nav a:is(:hover,:focus-visible)::after{transform:scaleX(1);transform-origin:left}
.entry-timeline li::before{transition:transform .4s var(--motion-ease),box-shadow .4s var(--motion-ease),background-color .3s ease}
.rule-row{transition:border-color .35s ease}
.text-link,.reset,.field-caption button{transition:color .25s ease,text-decoration-color .25s ease}
.faq summary{position:relative;list-style:none;transition:color .25s ease}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:'+';position:absolute;right:3px;top:2px;font:24px/1.5 var(--font-site);color:var(--accent);transition:transform .35s var(--motion-ease)}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details{transition:border-color .3s ease}
@media(hover:hover) and (pointer:fine) and (prefers-reduced-motion:no-preference){
 .ui-motion-surface{transform:translate(var(--ui-x,0px),var(--ui-y,0px));transition:transform .42s var(--motion-ease),text-shadow .42s var(--motion-ease),color .3s ease}
 .ui-motion-target.is-tracking>.ui-motion-surface{text-shadow:1px 1px 0 #286e5c1a}
 .prize-overview h3.is-tracking>.ui-motion-surface{text-shadow:0 3px 18px #286e5c26}
 .rule-row:hover{border-color:var(--accent)}
 .button:not(:disabled):hover{box-shadow:0 7px 22px #173d3414}
 .register-now:hover{box-shadow:0 9px 28px #286e5c24,inset 0 0 0 1px #286e5c33}
 .button:not(:disabled):hover .icon,.text-link:hover .icon{transform:translate(3px,-2px)}
 .flow-tabs button:hover>span:last-child{transform:translate(3px,-3px)}
 .scenario-buttons button:not([aria-pressed=true]):hover,.flow-tabs button:not([aria-pressed=true]):hover{background:#edf5ef;border-color:#8bb7a3;color:var(--accent)}
 .reset:hover,.faq summary:hover{color:var(--accent)}
 .faq details:hover{border-color:#8bb7a3}
 .dialog-close:hover{background:#edf5ef;transform:rotate(8deg)}
}
.button:not(:disabled):active,.scenario-buttons button:active,.flow-tabs button:active,.terminal-bar button:active{transform:translateY(1px) scale(.985);box-shadow:none}
@media(prefers-reduced-motion:reduce){
 .ui-motion-surface{transform:none!important;transition:none!important}
 .button,.scenario-buttons button,.flow-tabs button,.reset,.dialog-close,.terminal-bar button,.button .icon,.text-link .icon,.flow-tabs button>span:last-child,.site-header nav a,.site-header nav a::after,.entry-timeline li::before,.rule-row,.faq summary,.faq summary::after,.faq details{transition:none!important}
 .button:active,.scenario-buttons button:active,.flow-tabs button:active,.terminal-bar button:active{transform:none}
}

/* Calendar-date progress in UTC+8; event times have not been announced. */
.timeline-body{position:relative;min-width:0;padding-top:32px}
.timeline-progress{height:7px;margin-inline:16.666667%;border-radius:999px;background:#dbe8df;overflow:hidden}
.timeline-progress-fill{display:block;width:100%;height:100%;border-radius:inherit;background:linear-gradient(90deg,#286e5c,#74ab79);transform:scaleX(var(--date-progress,0));transform-origin:left;transition:transform 1s var(--motion-ease)}
.entry-timeline ol::before,.entry-timeline li::before{content:none}
.hero .entry-timeline ol{padding-top:15px;gap:0}
.entry-timeline li{padding:0 8px;min-width:0;text-align:center}
.entry-timeline li>.timeline-event,.entry-timeline li>time{position:static;left:auto;width:auto;max-width:100%;transform:none;text-align:center}
.entry-timeline .timeline-status{margin-top:10px;font:11px/1.4 var(--font-site);color:var(--accent);letter-spacing:0}
@media(prefers-reduced-motion:reduce){.timeline-progress-fill{transition:none}}

/* A passive marker shows the current date without hover interaction. */
.timeline-rail{position:relative;margin-inline:16.666667%}
.timeline-rail .timeline-progress{margin-inline:0}
.timeline-current{position:absolute;top:50%;left:calc(var(--date-progress,0)*100%);transform:translate(-50%,-50%);width:28px;height:28px;z-index:5;transition:left 1s var(--motion-ease)}
.timeline-status-dot{position:relative;display:block;width:28px;height:28px;padding:0;border:0;border-radius:50%;background:transparent;color:var(--accent);cursor:default}
.timeline-status-dot::before{content:'';position:absolute;inset:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 3px #f1f5f2;transition:transform .35s var(--motion-ease),box-shadow .35s var(--motion-ease)}
@media(prefers-reduced-motion:reduce){.timeline-current,.timeline-status-dot::before{transition:none}}

/* Timeline closes the participation area, after eligibility and prizes. */
.hero .entry-basics>.entry-timeline{margin-top:20px}

/* Pull the rail toward its label and align TIMELINE with the rail itself. */
@media(min-width:701px){
 .hero .entry-timeline{grid-template-columns:110px minmax(0,1fr);column-gap:12px}
 .hero .entry-timeline>.basic-label{padding-top:24px}
 .timeline-rail{margin-inline:10%}
 .hero .entry-timeline ol{grid-template-columns:repeat(5,minmax(0,1fr))}
 .entry-timeline li{padding-inline:0;grid-row:1}
 .entry-timeline li:nth-child(1){grid-column:1}
 .entry-timeline li:nth-child(2){grid-column:3}
 .entry-timeline li:nth-child(3){grid-column:5}
 .entry-timeline li>.timeline-event{white-space:nowrap}
}

/* Five equal slots: event / space / event / space / event. */
@media(min-width:1051px){
 .hero .entry-timeline{width:min(65%,772px)}
}

/* Section titles share one type scale and the brand's vertical-bar motif. */
.section-title{position:relative;padding-left:.43em}
.section-title::before{content:'';position:absolute;left:0;top:.2em;width:.1em;height:.68em;background:var(--accent)}

/* Secondary action matches the registration button without a filled accent. */
.register-now.rules-pdf{margin-top:10px;background:transparent;border:1px solid #9ab0a5;color:var(--ink)}
.register-now.rules-pdf:hover{background:transparent;border-color:var(--accent);color:var(--accent);box-shadow:0 5px 18px #173d340c}

/* Keep the original left-hand rows independent of the growing action stack. */
@media(min-width:1051px){
 .hero .entry-details{position:relative}
 .hero .entry-details::after{content:'';grid-column:3;grid-row:1;min-height:106px;pointer-events:none}
 .hero .entry-register{position:absolute;right:0;top:18px;width:max(240px,17.5%)}
}
@media(min-width:1051px) and (max-height:780px){
 .hero .entry-register{top:12px}
}

/* Fixed vector arrows and a single-line secondary action across devices. */
.hero .register-now.rules-pdf{white-space:nowrap;font-size:18px;padding-inline:16px;justify-content:center}
svg.icon{display:inline-block;vertical-align:middle;flex:none}
.flow-tabs button>span:last-child{display:inline-flex;align-items:center}
.flow-tabs button .icon{width:16px;height:16px}
.flow-nodes>i,.evidence-chain>i{display:inline-flex;align-items:center;justify-content:center;flex:none}
.flow-nodes>i .icon,.evidence-chain>i .icon{width:15px;height:15px}
.flow-loop{display:flex;align-items:flex-start;gap:8px}
.flow-loop>.icon{width:15px;height:15px;flex:none;margin-top:1px}

/* Task content stays open on the page; the four circles select explanations. */
.task-section,.evaluation-section{border-top:1px solid var(--line);background:#fff}
.task-section .heading-split{margin-bottom:28px}
.task-goal{max-width:1100px;font-size:clamp(18px,1.5vw,22px);line-height:1.65;color:var(--muted);margin-bottom:42px}
.task-goal strong{color:var(--ink);font-weight:400}
.task-layout,.evaluation-columns{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(36px,5vw,88px);align-items:start}
.task-copy h3,.task-panel h3{font-size:26px;margin-bottom:16px}
.task-copy p,.task-examples,.task-panel>p{font-size:15px;line-height:1.7;color:var(--muted)}
.task-copy>p{max-width:650px}
.task-examples{list-style:none;margin:24px 0;padding:0;display:grid;gap:12px}
.task-examples strong{font-weight:400;color:var(--ink)}
.task-copy .task-deliverable{margin-bottom:22px}
.task-split{display:flex;flex-wrap:wrap;gap:18px 32px;color:var(--muted);font-size:13px}
.task-split strong{font-size:27px;line-height:1;color:var(--accent);font-weight:400;vertical-align:baseline;margin-right:6px}
.task-step-hint{font-size:14px;color:var(--muted);margin:0 0 18px}
.task-steps{position:relative;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin-bottom:32px}
.task-steps::before{content:'';position:absolute;left:12.5%;right:12.5%;top:21px;height:1px;background:var(--line);pointer-events:none}
.task-steps button{position:relative;display:flex;flex-direction:column;align-items:center;gap:10px;border:0;background:transparent;color:var(--muted);padding:0 4px;font-size:13px;transition:color .3s ease}
.task-step-number{display:grid;place-items:center;width:44px;height:44px;background:#fff;border:1px solid var(--line);border-radius:50%;font-size:16px;color:var(--accent);transition:background .35s ease,border-color .35s ease,color .35s ease,transform .35s var(--motion-ease),box-shadow .35s ease}
.task-steps button[aria-selected=true]{color:var(--accent);font-weight:400}
.task-steps button[aria-selected=true] .task-step-number{background:var(--accent);border-color:var(--accent);color:#fff;box-shadow:0 0 0 5px #286e5c0b}
.task-steps button:hover .task-step-number{transform:translateY(-3px);border-color:var(--accent);box-shadow:0 5px 14px #286e5c14}
.task-panel{min-height:270px;outline-offset:8px}
.task-panel:focus-visible{outline:2px solid var(--accent)}
.task-panel>p{margin-bottom:20px;max-width:670px}
.task-schematic{display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr) auto minmax(0,1fr);align-items:center;gap:10px;margin:26px 0 22px;color:var(--accent)}
.task-schematic>span{font-size:13px;text-align:center;padding:12px 4px;border-bottom:2px solid #dbe9e2;overflow-wrap:anywhere}
.task-schematic>.icon{width:16px;height:16px}
.task-panel .task-outcome{font-size:14px;color:var(--accent);margin-bottom:0}
.task-demo-note{font-size:11px;color:var(--muted);margin:18px 0 0}
.task-section .research-line{margin-top:38px}
.evaluation-section .section-heading{max-width:1000px;margin-bottom:40px}
.evaluation-section .section-heading .evaluation-intro{font-size:18px;line-height:1.7;max-width:960px;margin-bottom:0}
.evaluation-columns h3{font-size:30px;color:var(--accent);margin-bottom:26px}
.evaluation-list{margin:0;display:grid;gap:24px}
.evaluation-list dt{font-size:17px;line-height:1.5;font-weight:400;margin:0 0 7px}
.evaluation-list dd{font-size:15px;line-height:1.7;color:var(--muted);margin:0;max-width:650px}
.protocol-note{display:inline-block;font-size:11px;font-weight:400;letter-spacing:.3px;color:var(--accent);margin-left:8px;vertical-align:middle}
.evaluation-note{font-size:12px;line-height:1.7;color:var(--muted);margin:24px 0 16px;max-width:620px}
@media(min-width:901px) and (max-height:850px){
 .task-section,.evaluation-section{padding-top:46px;padding-bottom:46px}
 .task-goal{font-size:18px;margin-bottom:30px}
 .task-copy p,.task-examples,.task-panel>p,.evaluation-list dd{font-size:14px}
 .task-section .research-line{margin-top:26px}
 .task-panel{min-height:252px}
 .evaluation-list{gap:19px}
 .evaluation-section .section-heading{margin-bottom:30px}
}
@media(max-width:900px){
 .task-layout,.evaluation-columns{grid-template-columns:1fr;gap:42px}
 .task-panel{min-height:0}
 .task-interactive{max-width:720px}
 .task-split{gap:16px 24px}
}
@media(max-width:700px){
 .task-section .heading-split .text-link{margin-top:18px}
 .task-steps button{font-size:11px}
 .task-schematic{gap:6px}
 .task-schematic>span{font-size:11px}
}
@media(prefers-reduced-motion:reduce){
 .task-steps button,.task-step-number{transition:none}
 .task-steps button:hover .task-step-number{transform:none}
}

/* Seven independent reading checks, with crisp square controls on every platform. */
.evaluation-columns h3{font-weight:400}
.evaluation-check{display:flex;align-items:flex-start;gap:12px;cursor:pointer}
.evaluation-check input{appearance:none;-webkit-appearance:none;display:grid;place-items:center;width:18px;height:18px;flex:none;margin:4px 0 0;border:1px solid var(--accent);border-radius:0;background:transparent;cursor:pointer;transition:background .2s ease,border-color .2s ease}
.evaluation-check input::before{content:'';width:5px;height:9px;border:solid var(--selection-ink);border-width:0 2px 2px 0;transform:translateY(-1px) rotate(45deg) scale(0);transition:transform .2s var(--motion-ease)}
.evaluation-check input:checked{background:var(--accent-soft);border-color:var(--accent)}
.evaluation-check input:checked::before{transform:translateY(-1px) rotate(45deg) scale(1)}
.evaluation-check:hover input{border-color:var(--ink)}
.evaluation-check input:focus-visible{outline:2px solid var(--accent);outline-offset:4px}
.evaluation-list dd{padding-left:30px}
@media(prefers-reduced-motion:reduce){.evaluation-check input,.evaluation-check input::before{transition:none}}
@media(forced-colors:active){.evaluation-check input{border-color:ButtonText}.evaluation-check input:checked{background:Canvas}.evaluation-check input::before{border-color:CanvasText}}

/* Match the homepage slogan's light-green highlighting for Task body emphasis. */
.task-goal strong,.task-examples strong,.task-section .research-line strong{font-weight:400;background:var(--accent-soft);color:var(--selection-ink);box-decoration-break:clone;-webkit-box-decoration-break:clone}

/* Uneven typing-cursor pauses add a quiet pulse to the header wordmark. */
.site-header .brand>span[aria-hidden="true"]{display:inline-block;animation:brand-cursor-flicker 9.7s steps(1,end) infinite}
@keyframes brand-cursor-flicker{
 0%,14%,42%,56%,83%,100%{opacity:1;text-shadow:0 0 7px #286e5c26}
 9%,37%,50%,78%,91%{opacity:.12;text-shadow:none}
}
@media(prefers-reduced-motion:reduce){
 .site-header .brand>span[aria-hidden="true"]{animation:none;opacity:1;text-shadow:none}
}
/* Match Figma's Noto Sans Display Regular instance (wght 400, CTGR 100). */
@font-face{
 font-family:'QIQC Noto Sans';
 src:url('assets/fonts/noto-sans-variable.ttf') format('truetype');
 font-style:normal;
 font-weight:100 900;
 font-display:swap;
}
main p:not(.hero-slogan,.eyebrow,.basic-label,.rule-label,.field-caption p),
main dd,
.task-examples li,
.task-split,
.task-schematic>span,
.site-footer p{
 font-family:'QIQC Noto Sans',var(--font-site);
 font-weight:400;
 font-variation-settings:'wght' 400,'wdth' 100,'CTGR' 100;
 font-synthesis:none;
 -webkit-font-smoothing:antialiased;
 -moz-osx-font-smoothing:grayscale;
}
.hero #hero-title{font-family:Optima,var(--font-site);font-size:clamp(18px,3.8vw,68px);letter-spacing:-.025em;white-space:nowrap}
main h2,dialog h2{font-family:var(--font-site);font-weight:400;font-style:normal}

/* Keep native controls and code on the same site font family. */
input,select,textarea,code,kbd,samp,pre{font-family:var(--font-site)}

/* Each major section owns a full viewport below the persistent navigation.
   Longer content can grow naturally instead of being clipped to that height. */
main>.section{
 min-height:calc(100svh - var(--nav-height,78px));
 height:auto;
 overflow:visible;
}

/* Latest Figma P2: eligibility left, awards middle, actions right. */
.hero #hero-title{display:flex;flex-direction:column;align-items:flex-start;width:fit-content;font-size:clamp(38px,4.44445vw,80px);font-weight:400;line-height:1.109375;letter-spacing:-.021375em;margin-bottom:24px}
.hero #hero-title .title-line{display:block;width:fit-content;max-width:none}
.hero .event-intro{margin-bottom:24px}
.hero .hero-slogan{margin-bottom:0}
.rabi-axes{position:absolute;right:0;top:0;width:min(60vw,900px);height:clamp(280px,23vw,370px);color:#557d70;opacity:0;pointer-events:none;z-index:0;overflow:visible}
.hero:has(.hero-field.ready) .rabi-axes{opacity:calc(.25 * var(--details-reveal,1))}
.hero-field canvas{position:absolute;left:3.703704%;top:0;right:0;width:96.296296%;height:86.413043%}
/* The opening wash disappears as the field settles flush into P2. */
.hero-stage.is-staged .hero-field{
 mask-image:radial-gradient(ellipse 85% 83% at var(--field-mask-x,75%) var(--field-mask-y,22%),#000 28%,rgba(0,0,0,calc(.86 + .14 * var(--details-reveal,0))) 52%,rgba(0,0,0,var(--details-reveal,0)) 88%);
 -webkit-mask-image:radial-gradient(ellipse 85% 83% at var(--field-mask-x,75%) var(--field-mask-y,22%),#000 28%,rgba(0,0,0,calc(.86 + .14 * var(--details-reveal,0))) 52%,rgba(0,0,0,var(--details-reveal,0)) 88%);
}
.hero-stage:not(.is-staged) .hero-field{mask-image:none;-webkit-mask-image:none}
.hero::after{opacity:calc(1 - var(--details-reveal,1))}
.hero .entry-basics .basic-label,.hero .entry-basics .prize-overview .rule-label{font:400 15px/1.45 var(--font-site);letter-spacing:1.1px;color:#315e49}
@media(min-width:1051px){
 .hero-inner.wrap{padding-top:clamp(72px,10.5vh,116px);padding-bottom:40px}
 .hero .entry-basics{display:grid;grid-template-columns:26.736vw minmax(0,1fr);align-items:start;margin-top:60px;padding-top:46px}
 .hero .entry-details{display:flex;flex-direction:column;gap:31.65px;position:static;grid-column:1;grid-row:1;padding:0}
 .hero .entry-details::after{content:none}
 .hero .entry-details h3{margin:10px 0 0}
 .hero .entry-how{min-height:0;padding-left:0}
 .hero .entry-who>p,.hero .entry-how>p,.hero .prize-overview article>p{display:none}
 .hero .entry-basics .prize-overview{display:flex;flex-direction:column-reverse;gap:17.25px;grid-column:2;grid-row:1;padding:0;margin:0}
 .hero .prize-overview article{display:block;padding:0}
 .hero .prize-overview .challenger-prize{padding-left:0}
 .hero .prize-overview article h3{font-size:30px;line-height:36px;margin:0}
 .hero .entry-basics .prize-overview .rule-label{margin:0 0 10px}
 .hero .entry-basics .place-amounts{margin-top:13px}
 .hero .entry-register{right:7.6vw;top:68px;width:240px}
 .hero .register-now{min-height:72px}
 .hero .entry-basics>.entry-timeline{grid-column:1/-1;grid-row:2;margin-top:12px;padding-top:0;width:min(100%,772px)}
 .hero .entry-timeline>.basic-label{padding-top:0}
 .hero .timeline-body{padding-top:8px}
}
/* Preserve the complete overview on short desktop screens. */
@media(min-width:1051px) and (max-height:800px){
 .hero-inner.wrap{padding-top:40px;padding-bottom:24px}
 .hero #hero-title{font-size:clamp(38px,4.1vw,62px);margin-bottom:18px}
 .hero .event-intro{margin-bottom:18px}
 .hero .entry-basics{margin-top:32px;padding-top:24px}
 .hero .entry-register{top:46px}
 .hero .entry-basics>.entry-timeline{padding-bottom:12px!important}
}

/* Task follows the editorial two-column layout; both column headings are peers. */
.task-section .task-goal{max-width:1040px}
.task-copy>h3,.task-interactive>.task-step-hint{
 font-family:var(--font-site);font-size:26px;font-weight:400;line-height:1.25;
 letter-spacing:-.4px;color:var(--ink);margin:0 0 22px;
}
.task-section .task-layout{column-gap:clamp(48px,6vw,96px)}
.task-section .task-copy>p{max-width:560px}
.task-section .task-examples{margin:24px 0 26px;gap:12px}
.task-section .task-examples strong{display:inline;font-weight:400}
.task-section .task-panel h3{font-weight:400;line-height:1.25}
.task-section .task-demo-note{margin-top:24px}
.task-section .research-line{margin-top:14px}
@media(min-width:901px){
 .task-section{padding-top:clamp(46px,7.5vh,88px);padding-bottom:clamp(40px,6vh,72px)}
 .task-section .task-goal{margin-bottom:clamp(30px,4.3vh,48px)}
}
/* A self-hosted monospace face is reserved for the Build command block. */
@font-face{font-family:'Google Sans Code';font-style:normal;font-weight:400;font-display:swap;src:url('assets/fonts/google-sans-code-regular.ttf') format('truetype')}
#getting-started .terminal{width:100%;max-width:820px;background:#f2f4f3;border-color:#d5ded9}
#getting-started .terminal-bar{background:#e8edea;border-bottom-color:#d5ded9;color:#40594e}
#getting-started .terminal pre,#getting-started .terminal code{
 font-family:'Google Sans Code',monospace;font-weight:400;font-size:13px;line-height:1.9;letter-spacing:0;color:#294b3e;
}
main>.partners-section{min-height:0;height:auto;padding-top:60px;padding-bottom:48px}
#partners+#faq{padding-top:48px}

/* Let Task use the desktop canvas instead of stopping at a fixed-width wrapper. */
.evaluation-columns h3{font-family:var(--font-site);font-weight:400}
@media(min-width:901px){
 .task-section>.wrap{max-width:none;width:100%;padding-left:clamp(40px,4.4vw,88px);padding-right:clamp(40px,4.4vw,88px)}
 .task-section .task-layout{grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);column-gap:clamp(48px,5vw,100px)}
 .task-section .task-copy>p,.task-section .task-panel>p{max-width:none}
}

/* Let the partner announcement use the available row width. */
.partner-content{max-width:none}
.partner-content>p{max-width:none}

/* A quiet frame groups the task explorer without shifting either column. */
.task-interactive{position:relative;isolation:isolate;min-width:0}
.task-interactive::before{
 content:'';position:absolute;inset:-20px;z-index:-1;pointer-events:none;
 border:1px solid #d9e3de;border-radius:4px;background:#f8faf9;
}
.task-section .research-line{margin-top:36px}
@media(max-width:900px){
 .task-interactive::before{inset:-14px}
}

/* The changing step is subordinate to the explorer's fixed heading. */
.task-section .task-panel h4{
 font-family:var(--font-site);font-size:22px;font-weight:400;line-height:1.3;
 letter-spacing:-.25px;color:var(--accent);margin:0 0 16px;
}
/* A separate, quiet document library with explicit downloads. */
.site-header nav a[aria-current="page"]{color:var(--accent)}
.site-header nav a[aria-current="page"]::after{transform:scaleX(1)}
.documents-main{width:100%;padding-top:56px;padding-bottom:72px;min-height:calc(100svh - 230px)}
.documents-back{display:inline-block;font-size:14px;color:var(--muted);margin-bottom:36px}
.documents-heading{margin-bottom:48px}
.documents-heading h1{font-family:var(--font-site);font-size:clamp(38px,4vw,58px);font-weight:400;line-height:1.08;letter-spacing:-2px;margin:0 0 20px}
.documents-heading p{font-size:20px;color:var(--muted);margin:0}
.document-item{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:48px;padding:32px 0;border-top:1px solid #d9e3de;align-items:center}
.document-item:last-child{border-bottom:1px solid #d9e3de}
.document-copy h2{font-size:26px;letter-spacing:-.4px;margin:0 0 12px;line-height:1.25}
.document-copy p{font-size:17px;color:var(--muted);max-width:560px;margin-bottom:16px}
.document-copy .text-link{font-weight:400}
.document-downloads{display:grid;grid-template-columns:220px;gap:10px;justify-content:end}
.document-download{font-size:14px;font-weight:400;border-color:#cbd9d2;background:#f8faf9;white-space:nowrap}
.document-download:hover{background:#eaf1ed;border-color:var(--accent)}
.documents-edition{font-size:13px;color:var(--muted);margin:24px 0 0}
@media(max-width:900px){
 .document-item{grid-template-columns:1fr;gap:24px}
 .document-downloads{grid-template-columns:repeat(auto-fit,minmax(180px,1fr));justify-content:start}
 .documents-main{padding-top:32px}
}

/* Contextual resources continue the library without a separate full-height page. */
.supplementary-materials{margin-top:64px}
.supplementary-materials>h2{font-size:34px;line-height:1.2;letter-spacing:-.8px;margin-bottom:18px}
.supplementary-intro{font-size:18px;color:var(--muted);max-width:780px;margin-bottom:30px}
.supplementary-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:48px}
.supplementary-item{border-top:1px solid #d9e3de;padding:24px 0}
.supplementary-item h3{font-size:21px;font-weight:400;margin:0 0 12px}
.supplementary-item a{display:inline-flex;align-items:center;gap:12px}
.supplementary-item p{font-size:16px;color:var(--muted);margin:0;max-width:520px}
@media(max-width:700px){
 .supplementary-grid{grid-template-columns:1fr}
 .supplementary-materials>h2{font-size:28px}
}

/* Give the primary navigation a more readable scale on both pages. */
.site-header nav{font-family:var(--font-site);font-size:17px;font-weight:400}
@media(min-width:901px){.site-header nav{gap:32px}}

/* Highlight all three task categories in the shared lime accent. */
.task-section .task-examples strong{
 font-family:'Helvetica Neue',Helvetica,sans-serif;font-weight:400;
 color:var(--ink);background:var(--accent-soft);
}
.hero .hero-slogan{font-family:Optima,var(--font-site);font-weight:400}

/* The divider spans the viewport; the footer content keeps its existing columns. */
.footer-shell{border-top:1px solid var(--line)}
.footer-shell>.site-footer{border-top:0}
/* Use the same breathing room before both section action rows. */
#getting-started>p:last-of-type,#partners .partner-content>p:last-child{margin-bottom:0}
#getting-started>.actions,#partners .wrap>.actions{margin-top:28px}

/* Regular is the only non-light weight, including browser-default bold elements. */
h1,h2,h3,h4,h5,h6,b,strong,th{font-weight:400}

/* Keep the research links at the left, without a decorative separator. */
.task-section .research-line{border-top:0;justify-content:flex-start}
/* Override selection on highlighted text and its animated inner spans. */
mark::selection,mark *::selection,
.task-goal strong::selection,.task-goal strong *::selection,
.task-examples strong::selection,.task-examples strong *::selection,
.button.primary::selection,.button.primary *::selection{
 background:#122d20;color:#f5f9f6;text-shadow:none;
}
.hero-slogan mark::selection,.hero-slogan mark *::selection{
 background:#122d20;color:#f5f9f6;text-shadow:none;
}

/* The GaugeForge wordmark is the deliberate bold exception. */
.brand{font-family:'Helvetica Neue',Helvetica,sans-serif;font-weight:700}

/* Editorial entrances from Task onward; layout and anchor geometry stay fixed. */
@media(prefers-reduced-motion:no-preference){
 .scroll-reveal{opacity:0;translate:0 18px;pointer-events:none;transition:opacity .65s ease,translate .85s cubic-bezier(.22,1,.36,1);transition-delay:var(--reveal-delay,0ms)}
 .scroll-reveal.is-visible{opacity:1;translate:0 0;pointer-events:auto}
 .scroll-reveal.reveal-instant{transition:none;opacity:1;translate:none;pointer-events:auto}
}
@media print{
 .scroll-reveal{opacity:1!important;translate:none!important;transition:none!important}
}

/* Keep the registration label and arrow together as one centered group. */
.hero .register-now.primary{justify-content:center;text-align:center;gap:12px}
.hero .register-now.primary>.icon{position:static;flex-shrink:0;margin:0}

/* P2 reference: awards and dates on the left, a quiet action stack on the right. */
.hero .entry-basics{display:grid;grid-template-columns:minmax(0,1fr);gap:32px;margin-top:38px;padding-top:0}
.hero .entry-details{display:contents}
.hero .entry-details::after{content:none}
.hero .entry-basics .prize-overview{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;grid-column:1;grid-row:1;margin:0;padding:0}
.hero .prize-overview article{display:block;padding:0}
.hero .prize-overview .challenger-prize{order:-1;padding:0}
.hero .prize-overview article>p{display:none}
.hero .entry-basics .prize-overview .rule-label{margin:0 0 12px}
.hero .entry-basics>.entry-timeline{display:block;grid-column:1;grid-row:2;width:100%;margin:0;padding:0!important}
.hero .entry-timeline>.basic-label{display:flex;align-items:baseline;flex-wrap:wrap;gap:10px 24px;padding:0;margin:0 0 28px}
.hero .entry-timeline>.basic-label>small{font-size:11px;letter-spacing:0;margin:0}
.hero .entry-register{position:static;grid-column:1;grid-row:3;width:100%;max-width:320px;justify-self:center;align-self:end;padding:0}
.hero .timeline-body{padding-top:8px}
@media(min-width:1051px){
 .hero-inner.wrap{padding:clamp(68px,12svh,150px) 4.2vw clamp(48px,7svh,88px);min-height:calc(100svh - var(--nav-height,78px))}
 .hero-copy{width:45%;max-width:none}
 .hero #hero-title{font-size:clamp(42px,4.44445vw,88px);margin-bottom:clamp(30px,3.6vw,64px)}
 .hero .event-intro{font-size:clamp(14px,1.12vw,20px);margin-bottom:clamp(28px,3vw,54px);max-width:none}
 .hero .hero-slogan{font-size:clamp(24px,2vw,40px)}
 .hero-field,.rabi-axes{width:53.3vw;height:clamp(280px,40svh,500px)}
 .hero{--overview-action-width:clamp(220px,15vw,280px)}
 .field-caption{left:calc(72.9vw - var(--overview-action-width)/2);right:auto;top:calc(clamp(280px,40svh,500px) + 8px);width:min(365px,calc(100vw - (72.9vw - var(--overview-action-width)/2) - 4.2vw))}
 .hero .entry-basics{grid-template-columns:minmax(0,42%) minmax(0,1fr);column-gap:8%;row-gap:clamp(40px,6svh,76px);margin-top:clamp(42px,7svh,92px);padding:0}
 .hero .entry-basics .prize-overview{gap:30px}
 .hero .entry-basics .basic-label,.hero .entry-basics .prize-overview .rule-label{font-size:clamp(13px,1.04vw,19px)}
 .hero .prize-overview article h3{font-size:clamp(26px,2.08vw,40px);line-height:1.2;margin:0}
 .hero .entry-register{position:relative;inset:auto;top:18px;grid-column:2;grid-row:1/3;width:var(--overview-action-width);max-width:none;justify-self:center;align-self:start}
 .hero .register-now{min-height:clamp(72px,5vw,100px)}
 .hero .entry-basics>.entry-timeline{grid-column:1;grid-row:2;width:100%}
 .hero .entry-timeline li>.timeline-event{font-size:clamp(12px,.98vw,18px)}
}
@media(max-width:700px){
 .hero .entry-basics .prize-overview .rule-label{font-size:11px;letter-spacing:.7px}
 .hero .prize-overview h3{font-size:24px;letter-spacing:-.5px}
 .hero .entry-timeline>.basic-label{gap:8px 16px}
}
@media(min-width:1051px) and (max-height:800px){
 .hero-inner.wrap{padding-top:60px;padding-bottom:40px}
 .hero .entry-basics{margin-top:36px;row-gap:36px}
 .hero #hero-title{margin-bottom:32px}
 .hero .event-intro{margin-bottom:28px}
}

/* Compact actions and the reference's two-line timeline header/rail. */
.hero .register-now{min-height:54px;padding:11px 16px;font-size:18px}
.hero .register-now.rules-pdf{min-height:52px;padding:11px 12px;font-size:16px;border:.5px solid #9ab0a5}
.hero .entry-register{gap:8px}
.hero .entry-timeline>.basic-label{gap:12px 30px;margin-bottom:32px}
.hero .timeline-rail{margin-inline:13%}
.timeline-timezone{position:absolute;right:calc(100% + 12px);top:50%;transform:translateY(-50%);white-space:nowrap;font:11px/1.2 var(--font-site);color:var(--muted)}
.hero .entry-timeline ol{display:flex;justify-content:space-between;padding-top:14px;gap:0}
.hero .entry-timeline li{width:26%;padding:0}
.hero .entry-timeline li>time{justify-content:center}
@media(max-width:1050px){.hero .entry-register{max-width:280px}}
@media(max-width:700px){
 .hero .entry-timeline>.basic-label{gap:8px 20px}
 .hero .timeline-rail{margin-inline:16.666667%}
 .hero .entry-timeline li{width:33.333333%}
 .timeline-timezone{font-size:10px;right:calc(100% + 10px)}
}