/* Chatty EDU: a robotics workshop, distinct from the home Tutor story. */
.edu-api-flow{display:grid;grid-template-columns:minmax(0,1fr) minmax(200px,.85fr) minmax(0,1fr);gap:28px;align-items:center}
.edu-api-code,.edu-api-robot{padding:22px;text-align:center;min-width:0}
.edu-api-code .edu-art{margin:0 auto 12px}
.edu-api-flow h3,.edu-api-footer h3{font-size:20px;line-height:1.35;color:var(--heading-blue);margin:0 0 10px;text-wrap:balance}
.edu-api-flow p,.edu-api-footer p{font-size:14px;line-height:1.6;margin:0}
.edu-api-languages{font-weight:bold;color:var(--navy);margin-bottom:8px!important}
.edu-api-protocols{text-align:center;display:grid;gap:18px}
.edu-api-protocols .eyebrow{font-size:12px}
.edu-api-wire{position:relative;padding:8px 0;border-top:2px solid var(--outline-blue);border-bottom:2px solid var(--outline-blue)}
.edu-api-wire::before,.edu-api-wire::after{position:absolute;top:50%;transform:translateY(-50%);font-family:var(--font-display);color:var(--orange);font-size:22px;line-height:1}
.edu-api-wire::before{content:'‹';left:-10px}
.edu-api-wire::after{content:'›';right:-10px}
.edu-api-wire b{display:block;font-family:var(--font-display);font-size:18px;color:var(--navy);margin-bottom:5px}
.edu-api-wire span{font-size:12px}
.edu-api-robot .edu-greeting{width:128px;height:160px;margin:0 auto 8px}
.edu-api-footer{display:flex;align-items:center;justify-content:space-between;gap:32px;margin-top:28px;padding-top:20px;border-top:2px solid var(--outline-blue)}
.edu-api-footer>div{max-width:76ch}
.edu-api-footer .btn{flex:none}
@media(min-width:1280px) and (max-height:820px){
 .edu-api-code,.edu-api-robot{padding:16px}
 .edu-api-code .edu-art{width:88px;height:88px;margin-bottom:8px}
 .edu-api-flow h3,.edu-api-footer h3{font-size:18px}
 .edu-api-flow p,.edu-api-footer p{font-size:13px}
 .edu-api-robot .edu-greeting{width:104px;height:130px}
 .edu-api-footer{margin-top:20px;padding-top:16px}
}
@media(max-width:1000px){
 .edu-api-flow{grid-template-columns:minmax(0,1fr) 160px minmax(0,1fr);gap:18px}
 .edu-api-code,.edu-api-robot{padding:16px}
 .edu-api-flow h3{font-size:18px}
 .edu-api-footer{align-items:flex-start;flex-direction:column;gap:16px}
}
@media(max-width:640px){
 .edu-api-flow{grid-template-columns:1fr;gap:24px}
 .edu-api-code{display:grid;grid-template-columns:80px minmax(0,1fr);gap:8px 14px;align-items:center;text-align:left}
 .edu-api-code .edu-art{width:80px;height:80px;grid-row:1/4;margin:0}
 .edu-api-code h3,.edu-api-code p{grid-column:2;margin:0!important}
 .edu-api-protocols{grid-template-columns:1fr 1fr;gap:22px 16px;padding:0 10px 8px}
 .edu-api-protocols .eyebrow{grid-column:1/-1}
 .edu-api-wire b{font-size:14px}
 .edu-api-wire span{display:block;line-height:1.5}
 .edu-api-wire::before{content:'↓';top:-18px;left:50%;transform:translateX(-50%);font-size:16px}
 .edu-api-wire::after{content:'↓';top:auto;bottom:-18px;left:50%;right:auto;transform:translateX(-50%);font-size:16px}
 .edu-api-robot{display:grid;grid-template-columns:100px minmax(0,1fr);gap:8px 16px;align-items:center;text-align:left}
 .edu-api-robot .edu-greeting{grid-row:1/3;width:100px;height:125px;margin:0}
 .edu-api-robot h3{grid-column:2;align-self:end;margin:0}
 .edu-api-robot p{grid-column:2;align-self:start}
 .edu-api-footer h3{font-size:18px}
}
.page--chatty-edu .sec{padding-block:40px}
.page--chatty-edu .edu-lab-hero,.edu-lab-classroom{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:40px;align-items:center}
.page--chatty-edu .phero__title{font-size:clamp(30px,3vw,48px);line-height:1.12}
.page--chatty-edu .phero__lede{font-size:16px;line-height:1.6}
.page--chatty-edu .phero__actions{flex-wrap:wrap;gap:12px}
.page--chatty-edu .btn{animation:none!important}

/* Две ссылки под заявкой: сравнение версий и прямой переход к Tutor.
   Раньше со страницы EDU можно было уйти только на общее сравнение, и
   соседняя версия робота оставалась ненайденной. */
.edu-lab-links{display:flex;flex-wrap:wrap;gap:8px 24px;margin:16px 0 0}
.edu-lab-links a{font-size:14px}
.edu-lab-note{margin:22px 0 0;font-size:13px;line-height:1.6;color:var(--text-mute)}
.page--chatty-edu .edu-lab-photo{margin:0;aspect-ratio:auto}
.page--chatty-edu .edu-lab-photo img{position:static;width:100%;height:auto;object-fit:contain;display:block}
.page--chatty-edu .banner__title{font-size:clamp(28px,2.8vw,40px)}
.page--chatty-edu .banner__lede{max-width:78ch;font-size:15px;line-height:1.6}
.edu-lab-skills,.edu-lab-formats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.edu-lab-skill{padding:16px;min-width:0}
.edu-lab-skill .shot{margin:0 0 18px;aspect-ratio:1400/1040}
.edu-lab-skill .shot img{position:static;width:100%;height:100%;object-fit:contain}
.edu-lab-skill h3,.edu-lab-project-copy h3,.edu-lab-formats h3{font-size:20px;line-height:1.3;margin:0 0 12px;color:var(--heading-blue)}
.edu-lab-skill p,.edu-lab-formats p,.edu-lab-project-copy p,.edu-lab-list{font-size:14px;line-height:1.6}
.edu-lab-project{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:40px;align-items:center}
.edu-lab-program{--pxbg:var(--sky-soft);padding:28px}
.edu-lab-program ol{list-style:none;padding:0;margin:22px 0;counter-reset:instruction}
.edu-lab-program li{padding:13px 0;border-bottom:1px solid var(--sky-line);font-size:16px;line-height:1.5;counter-increment:instruction}
.edu-lab-program li::before{content:counter(instruction,decimal-leading-zero) '  ';color:var(--blue);font-weight:bold}
.edu-lab-program>p:last-child{font-size:13px;line-height:1.6;margin:0}
.edu-lab-project-copy svg{width:120px;height:100px;display:block;margin:0 0 24px;image-rendering:pixelated}
.edu-lab-classroom .banner{margin-bottom:24px}
.edu-lab-list{padding-left:18px;margin:0;display:grid;gap:12px}
.edu-lab-list li::marker{color:var(--orange)}
.edu-lab-formats article{padding:24px;min-width:0}
.edu-lab-distinction{margin-top:32px;border-top:3px solid var(--outline-blue);padding-top:20px;display:grid;grid-template-columns:180px minmax(0,1fr) auto;gap:20px;align-items:start;font-size:14px;line-height:1.6}
.edu-lab-distinction p{margin:0}
.edu-lab-distinction b{color:var(--navy)}
.edu-lab-enquiry{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:48px;align-items:center}
.edu-lab-enquiry .ask{padding:24px;min-width:0;width:auto;max-width:none;margin:0}
.edu-lab-enquiry .ask__row{flex-wrap:wrap;gap:12px}
.edu-lab-enquiry .edu-lab-note{margin:0 0 20px}
@media(min-width:1280px) and (max-height:820px){
 .page--chatty-edu .sec{padding-block:24px}
 .page--chatty-edu .phero__title{font-size:36px}
 .page--chatty-edu .phero__lede{font-size:14px}
 .page--chatty-edu .banner__title{font-size:30px}
 .page--chatty-edu .banner__lede{font-size:13px}
 .edu-lab-skill .shot{height:150px;aspect-ratio:auto}
 .edu-lab-skill p{font-size:13px}
 .edu-lab-program{padding:20px}
}
@media(max-width:1000px){
 .page--chatty-edu .edu-lab-hero,.edu-lab-classroom,.edu-lab-project,.edu-lab-enquiry{grid-template-columns:1fr;gap:28px}
 .edu-lab-skills{grid-template-columns:1fr}
 .edu-lab-skill{display:grid;grid-template-columns:1fr 1fr;gap:8px 20px}
 .edu-lab-skill .shot{grid-row:1/4;margin:0}
 .edu-lab-skill>p,.edu-lab-skill>h3{grid-column:2;margin:0}
 .edu-lab-project-copy{display:grid;grid-template-columns:100px minmax(0,1fr);gap:0 24px}
 .edu-lab-project-copy svg{width:100px;grid-row:1/3}
 .edu-lab-distinction{grid-template-columns:1fr}
 .edu-lab-classroom .edu-lab-photo{order:2}
}
@media(max-width:640px){
 .page--chatty-edu .sec{padding-block:32px}
 .edu-lab-skills,.edu-lab-formats,.edu-lab-skill{display:grid;grid-template-columns:1fr}
 .edu-lab-skill .shot{grid-row:auto;margin-bottom:12px}
 .edu-lab-skill>p,.edu-lab-skill>h3{grid-column:1}
 .edu-lab-project-copy{display:block}
 .edu-lab-program{padding:18px}
 .edu-lab-program li{font-size:14px}
.edu-lab-enquiry .ask{padding:16px}
}

/* Extend the site's existing paper, embossed frames and pixel buttons. */
.page--chatty-edu .phero__title{max-width:none;text-wrap:balance}
.page--chatty-edu .banner__title{text-wrap:balance}
.edu-lab-skills[data-enhanced]{display:grid;grid-template-columns:240px minmax(0,1fr);gap:24px;align-items:start}
.edu-editor-tabs{display:flex;flex-direction:column;gap:14px;padding-top:3px}
.edu-editor-tab{display:flex;gap:12px;align-items:center;text-align:left;min-height:76px;font-size:13px;line-height:1.5;letter-spacing:0;text-transform:none;width:100%}
.edu-editor-tab__number{font-family:var(--font-display);font-size:17px}
.edu-editor-tab[aria-selected=true]{color:var(--white)}
.edu-editor-tab[aria-selected=true]::after{background:var(--navy-fill);box-shadow:inset 3px 3px 0 #3155c4,inset -3px -3px 0 #001772}
.edu-editor-tab:focus-visible{outline:3px solid var(--orange);outline-offset:5px}
.edu-lab-skills[data-enhanced] .edu-lab-skill{display:grid;grid-template-columns:1fr;gap:0;padding:18px}
.edu-lab-skills[data-enhanced] .edu-lab-skill[hidden]{display:none}
.edu-lab-skills[data-enhanced] .edu-lab-skill>.eyebrow{display:none}
.edu-lab-skills[data-enhanced] .edu-lab-skill .shot{grid-row:auto;grid-column:1;margin:0 0 18px;height:clamp(240px,35svh,340px);aspect-ratio:auto}
.edu-lab-skills[data-enhanced] .edu-lab-skill h3{grid-column:1;margin:0 0 8px;font-size:21px}
.edu-lab-skills[data-enhanced] .edu-lab-skill>p{grid-column:1;margin:0;min-height:3.2em}
.edu-lab-skill:focus-visible{outline:3px solid var(--orange);outline-offset:5px}
.edu-lab-program{--pxbg:var(--paper)}
.edu-lab-program li{position:relative;padding-left:42px;border-bottom:1px dotted var(--line-soft)}
.edu-lab-program li::before{position:absolute;left:0;top:14px;font-family:var(--font-display);font-size:12px}
.edu-lab-project-copy h3{text-wrap:balance;line-height:1.4}
.edu-lab-list{list-style:none;padding:0;counter-reset:lesson;gap:0}
.edu-lab-list li{counter-increment:lesson;display:grid;grid-template-columns:32px 1fr;gap:12px;padding:14px 0;border-bottom:1px dotted var(--line-soft)}
.edu-lab-list li::before{content:counter(lesson,decimal-leading-zero);font-family:var(--font-display);color:var(--navy);font-size:13px}
.edu-lab-formats{counter-reset:format}
.edu-lab-formats article{counter-increment:format}
.edu-lab-formats article h3::before{content:'0' counter(format);display:block;font-family:var(--font-display);font-size:26px;margin-bottom:20px;color:var(--heading-blue)}
.edu-lab-formats article p{margin-bottom:0}
@media(min-width:1280px) and (max-height:820px){
 .page--chatty-edu .phero__title{font-size:34px}
 .edu-lab-skills[data-enhanced] .edu-lab-skill .shot{height:270px}
 .edu-lab-skills[data-enhanced] .edu-lab-skill{padding:16px}
 .edu-lab-list li{padding-block:10px;font-size:13px}
}
@media(max-width:1000px){
 .edu-lab-skills[data-enhanced]{grid-template-columns:200px minmax(0,1fr);gap:20px}
 .edu-editor-tab{font-size:12px;padding:12px}
}
@media(max-width:640px){
 .page--chatty-edu .phero__title{font-size:clamp(24px,7.4vw,30px);overflow-wrap:anywhere}
 .page--chatty-edu .phero__actions .btn{max-width:100%;white-space:normal;overflow-wrap:normal;word-break:normal}
 .edu-lab-skills[data-enhanced]{grid-template-columns:1fr;gap:18px}
 .edu-editor-tabs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
 .edu-editor-tab{flex-direction:column;align-items:flex-start;justify-content:flex-start;min-height:110px;font-size:11px;padding:10px 7px;gap:8px;overflow-wrap:anywhere}
 .edu-editor-tab__number{font-size:15px}
 .edu-lab-skills[data-enhanced] .edu-lab-skill{padding:14px}
 .edu-lab-skills[data-enhanced] .edu-lab-skill .shot{height:auto;aspect-ratio:1400/1040}
 .edu-lab-skills[data-enhanced] .edu-lab-skill h3{font-size:19px;min-height:2.6em}
 .edu-lab-skills[data-enhanced] .edu-lab-skill>p{min-height:6.4em}
 .edu-lab-formats article h3::before{font-size:20px;margin-bottom:12px}
}
@media(max-width:380px){.page--chatty-edu .chrome__cta{display:none}}

/* Composition: keep the editor at its natural proportions, with adjacent notes. */
.edu-lab-skills[data-enhanced]{grid-template-columns:1fr;gap:18px}
.edu-editor-tabs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;padding:0}
.edu-editor-tab{min-height:58px;padding:12px 16px}
.edu-lab-skills[data-enhanced] .edu-lab-skill{grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);grid-template-rows:1fr 1fr;column-gap:24px}
.edu-lab-skills[data-enhanced] .edu-lab-skill .shot{grid-column:1;grid-row:1/3;justify-self:center;align-self:center;width:100%;max-width:560px;height:auto;aspect-ratio:auto;margin:0}
.edu-lab-skills[data-enhanced] .edu-lab-skill .shot img{width:100%;height:auto}
.edu-lab-skills[data-enhanced] .edu-lab-skill h3{grid-column:2;grid-row:1;align-self:end;margin:0 0 12px;min-height:0;overflow-wrap:anywhere}
.edu-lab-skills[data-enhanced] .edu-lab-skill>p{grid-column:2;grid-row:2;align-self:start;min-height:0}
.edu-lab-formats article h3{overflow-wrap:anywhere}
@media(min-width:1280px) and (max-height:820px){
 .edu-lab-skills[data-enhanced] .edu-lab-skill .shot{max-width:460px}
}
@media(min-width:641px) and (max-width:1000px){
 .edu-lab-skills[data-enhanced] .edu-lab-skill{grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);column-gap:20px}
 .edu-lab-skills[data-enhanced] .edu-lab-skill h3{font-size:18px}
 .edu-lab-formats{grid-template-columns:1fr;gap:16px}
 .edu-lab-formats article{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.4fr);align-items:center;gap:24px;padding:18px 22px}
 .edu-lab-formats article h3{display:grid;grid-template-columns:30px minmax(0,1fr);gap:12px;align-items:center;margin:0;font-size:18px}
 .edu-lab-formats article h3::before{font-size:20px;margin:0}
 .edu-lab-formats article p{margin:0}
}
@media(max-width:640px){
 .page--chatty-edu .edu-lab-hero{gap:20px}
 .edu-lab-hero .phero__copy{display:contents}
 .edu-lab-hero .phero__copy>.eyebrow{order:1;margin:0}
 .page--chatty-edu .edu-lab-hero .phero__title{order:2;margin:0}
 .edu-lab-hero>.edu-lab-photo{order:3}
 .edu-lab-hero .phero__lede{order:4;margin:0}
 .edu-lab-hero .phero__actions{order:5;margin:0}
 .edu-lab-hero .edu-lab-note{order:6;margin:0}
 .edu-editor-tabs{gap:8px}
 .edu-editor-tab{min-height:100px;padding:10px 7px}
 .edu-lab-skills[data-enhanced] .edu-lab-skill{grid-template-columns:1fr;grid-template-rows:auto;row-gap:12px}
 .edu-lab-skills[data-enhanced] .edu-lab-skill .shot{grid-row:1;grid-column:1;width:100%;margin:0}
 .edu-lab-skills[data-enhanced] .edu-lab-skill h3{grid-row:2;grid-column:1;margin:4px 0 0}
 .edu-lab-skills[data-enhanced] .edu-lab-skill>p{grid-row:3;grid-column:1;min-height:4.8em}
 .edu-lab-project{gap:24px}
 .edu-lab-program{padding:16px}
 .edu-lab-program ol{margin:14px 0}
 .edu-lab-program li{padding-block:10px;padding-left:34px}
 .edu-lab-program li::before{top:11px}
 .edu-lab-project-copy{display:grid;grid-template-columns:68px minmax(0,1fr);gap:12px 16px;align-items:center}
 .edu-lab-project-copy svg{grid-column:1;grid-row:1;width:68px;height:58px;margin:0}
 .edu-lab-project-copy h3{grid-column:2;grid-row:1;font-size:18px;margin:0}
 .edu-lab-project-copy p{grid-column:1/-1;grid-row:2;margin:0}
 .edu-lab-formats{gap:14px}
 .edu-lab-formats article{padding:16px 18px}
 .edu-lab-formats article h3{display:grid;grid-template-columns:28px minmax(0,1fr);gap:10px;margin:0 0 10px;font-size:18px;align-items:start}
 .edu-lab-formats article h3::before{font-size:17px;margin:0;line-height:1.4}
 .edu-lab-formats article p{margin:0;font-size:14px}
 .edu-lab-distinction{gap:12px;margin-top:22px;padding-top:16px}
}

/* Six newly generated transparent illustrations on a regular 3 × 3 grid. */
.edu-art{display:block;width:112px;height:112px;background:url('/assets/img/icons/chatty-edu-illustrations-generated-alpha-v4.png') 0 0/300% 300% no-repeat;background-color:transparent;mix-blend-mode:normal;image-rendering:pixelated;flex:none}
.edu-art--2{background-position:50% 0}
.edu-art--3{background-position:100% 0}
.edu-art--4{background-position:0 50%}
.edu-art--5{background-position:50% 50%}
.edu-art--6{background-position:100% 50%}
.edu-lab-skill h3 .edu-art{margin-bottom:12px;width:100px;height:100px}
.edu-lab-formats article h3{display:flex;flex-direction:column;gap:12px}
.edu-lab-formats article h3::before{display:none}
.edu-lab-formats article h3 .edu-art{width:128px;height:128px}
.edu-lab-project-copy{display:block}
.edu-greeting{width:176px;height:220px;position:relative;margin:0 auto 16px;mix-blend-mode:normal;background:transparent}
.edu-greeting__sprite{display:block;width:100%;height:100%;background:url('/assets/img/chatty/edu-greeting-generated-alpha-v4.png') var(--frame-x,0%) 50%/400% 100% no-repeat;image-rendering:pixelated}
.edu-lab-program li{padding:0!important;border-bottom:1px dotted var(--line-soft)}
.edu-lab-program li::before{display:none}
.edu-step{display:grid;grid-template-columns:28px minmax(0,1fr);gap:12px;text-align:left;width:100%;padding:12px 8px;border:0;background:transparent;color:inherit;font:inherit;line-height:1.5;cursor:pointer}
.edu-step>span:first-child{font-family:var(--font-display);font-size:12px;color:var(--navy);align-self:center}
.edu-lab-program li.is-active{background:var(--sky-active);box-shadow:inset 4px 0 var(--orange)}
.edu-step:hover{background:var(--paper-lo)}
.edu-step:focus-visible{outline:3px solid var(--orange);outline-offset:-3px}
.edu-project-control{margin-top:16px;font-size:12px;min-height:44px}
.edu-lab-project-copy h3{margin-bottom:12px}
.edu-lab-project-copy p{margin:0}
@media(prefers-reduced-motion:no-preference){
 .edu-lab-skill:not([hidden]) .edu-art{animation:edu-art-arrive .32s steps(4,end) both}
 .edu-lab-formats article:hover .edu-art{animation:edu-art-nod .45s steps(3,end)}
 @keyframes edu-art-arrive{from{transform:translateY(8px);opacity:0}to{transform:translateY(0);opacity:1}}
 @keyframes edu-art-nod{0%,100%{transform:translateY(0)}50%{transform:translateY(-5px)}}
}
@media(min-width:1280px) and (max-height:820px){
 .edu-lab-formats article{padding:18px}
 .edu-lab-formats article h3 .edu-art{width:100px;height:100px}
 .edu-greeting{width:176px;height:220px;margin-bottom:12px}
 .edu-project-control{margin-top:12px}
 .edu-step{padding-block:10px;font-size:14px}
}
@media(min-width:641px) and (max-width:1000px){
 .edu-lab-formats article h3{display:grid;grid-template-columns:76px minmax(0,1fr);gap:12px}
 .edu-lab-formats article h3 .edu-art{width:76px;height:76px}
 .edu-lab-project-copy{display:grid;grid-template-columns:160px minmax(0,1fr);gap:12px 24px;align-items:center}
 .edu-greeting{grid-column:1;grid-row:1/3;width:144px;height:180px;margin:0}
 .edu-lab-project-copy h3{grid-column:2;grid-row:1;align-self:end;margin:0}
 .edu-lab-project-copy p{grid-column:2;grid-row:2;align-self:start}
}
@media(max-width:640px){
 .edu-lab-skills[data-enhanced] .edu-lab-skill h3{display:grid;grid-template-columns:64px minmax(0,1fr);gap:12px;align-items:center}
 .edu-lab-skill h3 .edu-art{width:64px;height:64px;margin:0}
 .edu-lab-formats article{display:grid;grid-template-columns:88px minmax(0,1fr);gap:8px 14px;align-items:center}
 .edu-lab-formats article h3{display:contents}
 .edu-lab-formats article h3 .edu-art{grid-column:1;grid-row:1/3;width:88px;height:88px}
 .edu-lab-formats article p{grid-column:2}
 .edu-lab-project-copy{display:grid;grid-template-columns:128px minmax(0,1fr);gap:16px;align-items:center}
 .edu-greeting{grid-column:1;grid-row:1;width:128px;height:160px;margin:0}
 .edu-lab-project-copy h3{grid-column:2;grid-row:1;margin:0}
 .edu-lab-project-copy p{grid-column:1/-1;grid-row:2}
 .edu-step{padding-block:10px;font-size:13px}
}