@font-face{font-family:"Baloo Bhaijaan 2";font-style:normal;font-display:swap;font-weight:600;src:url(../media/baloo-bhaijaan-2-arabic-600-normal.2nbosx59pt5ep.woff2)format("woff2"),url(../media/baloo-bhaijaan-2-arabic-600-normal.0lznm1-20ctw_.woff)format("woff")}
@font-face{font-family:"Baloo Bhaijaan 2";font-style:normal;font-display:swap;font-weight:700;src:url(../media/baloo-bhaijaan-2-arabic-700-normal.2eudthkgzyrk2.woff2)format("woff2"),url(../media/baloo-bhaijaan-2-arabic-700-normal.2-229grw_6bn3.woff)format("woff")}
@font-face{font-family:"Baloo Bhaijaan 2";font-style:normal;font-display:swap;font-weight:800;src:url(../media/baloo-bhaijaan-2-arabic-800-normal.0vd0qox9cegum.woff2)format("woff2"),url(../media/baloo-bhaijaan-2-arabic-800-normal.0c_wvxaoaxx-1.woff)format("woff")}
:root{--night:#0c1245;--night-2:#18227a;--night-3:#26308a;--sun:#ffc93c;--sun-dark:#d9a21a;--coral:#ff6b5e;--coral-dark:#d94a3e;--mint:#35d39a;--mint-dark:#1fa877;--sky:#5cc3ff;--sky-dark:#2a98da;--cream:#fff8ea;--cream-2:#fdeccd;--white:#fff;--ink:var(--night);--ink-soft:#454b80;--font-display:"Fredoka Variable", "Baloo Bhaijaan 2", ui-rounded, system-ui, sans-serif;--font-body:"Nunito Variable", "Baloo Bhaijaan 2", ui-rounded, system-ui, sans-serif;--radius:24px;--radius-lg:32px;--pop:0 6px 0 #0c124524;--gutter:16px;--bottom-nav:72px}:lang(ar){--font-display:"Baloo Bhaijaan 2", "Fredoka Variable", system-ui, sans-serif;--font-body:"Baloo Bhaijaan 2", "Nunito Variable", system-ui, sans-serif}*,:before,:after{box-sizing:border-box}html{-moz-text-size-adjust:100%;text-size-adjust:100%;scroll-padding-block-start:96px}body{background:var(--cream);min-height:100vh;color:var(--ink);font-family:var(--font-body);margin:0;font-size:1.0625rem;line-height:1.6;overflow-x:hidden}body:lang(ar){font-size:1.15rem;line-height:1.75}h1,h2,h3{font-family:var(--font-display);text-wrap:balance;margin:0;font-weight:600;line-height:1.15}:lang(ar) :is(h1,h2,h3){font-weight:700;line-height:1.45}p{margin:0}img{max-width:100%;height:auto;display:block}a{color:inherit}button{font:inherit;color:inherit}:focus-visible{outline:4px solid var(--sky);outline-offset:3px;border-radius:12px}main:focus{outline:none}.container{width:min(1180px, 100% - 2 * var(--gutter));margin-inline:auto}.visually-hidden{clip-path:inset(50%);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.flip-rtl:is(:lang(ae),:lang(ar),:lang(arc),:lang(bcc),:lang(bqi),:lang(ckb),:lang(dv),:lang(fa),:lang(glk),:lang(he),:lang(ku),:lang(mzn),:lang(nqo),:lang(pnb),:lang(ps),:lang(sd),:lang(ug),:lang(ur),:lang(yi)){transform:scaleX(-1)}.skip-link{z-index:100;background:var(--sun);color:var(--night);border-radius:999px;padding:12px 20px;font-weight:800;text-decoration:none;position:absolute;inset-block-start:-100px;inset-inline-start:var(--gutter)}.skip-link:focus{inset-block-start:12px}.btn{min-height:56px;font-family:var(--font-display);cursor:pointer;box-shadow:0 5px 0 var(--btn-shadow,#00000040);border:0;border-radius:999px;justify-content:center;align-items:center;gap:10px;padding:0 26px;font-size:1.15rem;font-weight:600;text-decoration:none;transition:transform .12s,box-shadow .12s;display:inline-flex}.btn:hover{box-shadow:0 7px 0 var(--btn-shadow,#00000040);transform:translateY(-2px)}.btn:active{box-shadow:0 1px 0 var(--btn-shadow,#00000040);transform:translateY(4px)}.btn--big{min-height:64px;padding:0 32px;font-size:1.3rem}.btn--small{min-height:48px;padding:0 18px;font-size:1rem}.btn--sun{background:var(--sun);color:var(--night);--btn-shadow:var(--sun-dark)}.btn--coral{background:var(--coral);color:var(--night);--btn-shadow:var(--coral-dark)}.btn--night{background:var(--night);color:var(--white);--btn-shadow:#000428}.btn--ghost{color:var(--white);--btn-shadow:#0000004d;background:#ffffff1a;border:3px solid #ffffffd9}.pill{width:fit-content;min-height:34px;font-family:var(--font-display);border-radius:999px;justify-self:start;align-items:center;padding:2px 16px;font-size:.95rem;font-weight:600;line-height:1.2;display:inline-flex}.pill--sun{background:var(--sun);color:var(--night)}.pill--mint{background:var(--mint);color:var(--night)}.pill--coral{background:var(--coral);color:var(--night)}.pill--night{background:var(--night);color:var(--sun)}.pill--soft{color:var(--ink-soft);background:#0c124514}.pill--outlined{border:3px solid var(--white);min-height:42px;font-size:1.05rem;box-shadow:0 4px #00000040}.link-arrow{min-height:48px;font-family:var(--font-display);color:var(--night);text-decoration:underline;-webkit-text-decoration-color:var(--sun);text-decoration-color:var(--sun);text-underline-offset:6px;align-items:center;gap:8px;font-size:1.1rem;font-weight:600;text-decoration-thickness:4px;display:inline-flex}.link-arrow:hover{-webkit-text-decoration-color:var(--coral);text-decoration-color:var(--coral)}.site-header{z-index:30;background:var(--night);color:var(--white);border-block-end:3px solid var(--night-2);position:sticky;inset-block-start:0}.site-header__inner{align-items:center;gap:16px;min-height:68px;display:flex}.logo{align-items:center;gap:10px;min-height:48px;margin-inline-end:auto;text-decoration:none;display:inline-flex}.logo__rocket{width:22px;height:auto;transform:rotate(25deg)}.logo__text{white-space:nowrap;font-family:Fredoka Variable,system-ui,sans-serif;font-size:1.35rem;font-weight:650;line-height:1}.logo__lab{color:var(--sun)}.nav ul{margin:0;padding:0;list-style:none;display:flex}.nav a{font-family:var(--font-display);align-items:center;font-weight:600;text-decoration:none;display:flex}.nav--top{display:none}.nav--top ul{gap:4px}.nav--top a{border-radius:999px;gap:8px;min-height:48px;padding:0 16px;font-size:1.05rem}.nav--top a:hover{background:#ffffff1a}.nav--top a[aria-current=page]{background:var(--sun);color:var(--night)}.nav--top svg{width:20px;height:20px}.nav--bottom{z-index:40;background:var(--night);border-block-start:3px solid var(--night-2);padding-block-end:env(safe-area-inset-bottom);position:fixed;inset-block-end:0;inset-inline:0}.nav--bottom ul{justify-content:space-around}.nav--bottom li{flex:1}.nav--bottom a{height:var(--bottom-nav);color:#fffc;flex-direction:column;justify-content:center;gap:2px;font-size:.85rem}.nav--bottom a svg{border-radius:12px;width:28px;height:28px;padding:2px}.nav--bottom a[aria-current=page]{color:var(--sun)}.nav--bottom a[aria-current=page] svg{background:var(--sun);color:var(--night);width:44px;padding:2px 8px}body{padding-block-end:calc(var(--bottom-nav) + env(safe-area-inset-bottom))}@media (min-width:900px){.nav--top{display:block}.nav--bottom{display:none}body{padding-block-end:0}}.lang{position:relative}.lang summary{cursor:pointer;min-height:48px;font-family:var(--font-display);border:2px solid #ffffff59;border-radius:999px;align-items:center;gap:8px;padding:0 14px;font-weight:600;list-style:none;display:flex}.lang summary::-webkit-details-marker{display:none}.lang summary:hover,.lang[open] summary{background:#ffffff1f}@media (max-width:420px){.lang summary span{display:none}.lang summary{padding:0 11px}}.lang__menu{background:var(--white);min-width:190px;color:var(--night);border-radius:20px;margin:0;padding:8px;list-style:none;position:absolute;inset-block-start:calc(100% + 8px);inset-inline-end:0;box-shadow:0 12px 30px #0c12454d}.lang__menu a{min-height:52px;font-family:var(--font-display);border-radius:14px;align-items:center;padding:0 16px;font-size:1.1rem;font-weight:600;text-decoration:none;display:flex}.lang__menu a:lang(ar){font-family:"Baloo Bhaijaan 2",system-ui,sans-serif}.lang__menu a:hover{background:var(--cream)}.lang__menu a[aria-current=true]{background:var(--sun)}.hero{color:var(--white);background:radial-gradient(ellipse 60% 70% at 75% 30%, var(--night-3) 0%, transparent 70%), radial-gradient(ellipse 50% 60% at 10% 90%, #1b2470 0%, transparent 70%), var(--night);padding-block:40px 90px;position:relative;overflow:hidden}.hero__stars{opacity:.75;background-image:radial-gradient(1.6px 1.6px at 20px 30px,#fff 50%,#0000 52%),radial-gradient(1.2px 1.2px at 140px 80px,#fff 50%,#0000 52%),radial-gradient(2px 2px at 90px 160px,#fff 50%,#0000 52%),radial-gradient(1.2px 1.2px at 200px 200px,#fff 50%,#0000 52%),radial-gradient(1.6px 1.6px at 250px 40px,#fff 50%,#0000 52%);background-size:280px 240px;position:absolute;inset:0}.sparkle{color:var(--sun);width:22px;height:22px;animation:3s ease-in-out infinite twinkle;position:absolute}.sparkle--1{inset-block-start:14%;inset-inline-start:46%}.sparkle--2{color:var(--white);width:16px;animation-delay:1s;inset-block-start:70%;inset-inline-start:4%}.sparkle--3{color:var(--white);width:14px;animation-delay:2s;inset-block-start:8%;inset-inline-end:6%}.hero__inner{align-items:center;gap:24px;display:grid;position:relative}.hero__text{justify-items:start;gap:20px;display:grid}.hero__title{color:var(--sun);text-shadow:0 4px #0000004d;font-size:clamp(2.4rem,7vw,4.3rem);font-weight:700;line-height:1.04}.hero__title:lang(ar){font-weight:800;line-height:1.35}.hero__lead{max-width:34em;color:var(--cream);font-size:1.2rem}.hero__actions{flex-wrap:wrap;gap:16px;margin-block-start:8px;display:flex}.hero__stage{aspect-ratio:1;width:min(100%,380px);margin-inline:auto;position:relative}.hero__stage img{height:auto;position:absolute}.hero__orbit{border:3px dashed #ffffff47;border-radius:50%;position:absolute}.hero__orbit--1{aspect-ratio:1;width:82%;inset-block-end:-6%;inset-inline-end:-6%}.hero__orbit--2{aspect-ratio:1;border-color:#5cc3ff40;width:100%;inset-block-end:-15%;inset-inline-end:-15%}.hero__earth{width:62%;animation:60s linear infinite spin-slow;inset-block-end:4%;inset-inline-end:4%}.hero__sun{width:32%;animation:4s ease-in-out infinite pulse;inset-block-start:0;inset-inline-start:0}.hero__saturn{width:30%;animation:6s ease-in-out infinite float;inset-block-start:4%;inset-inline-end:0}.hero__cloud{width:26%;animation:7s ease-in-out infinite drift;inset-block-start:40%;inset-inline-start:26%}.hero__droppy{width:14%;animation:3.5s ease-in-out infinite float;inset-block-end:10%;inset-inline-start:6%}.hero__rocket{width:18%;animation:5s ease-in-out infinite rocket;inset-block-start:4%;inset-inline-start:38%;rotate:28deg}.hero__wave{width:100%;height:60px;fill:var(--cream);position:absolute;inset-block-end:-1px;inset-inline:0}@media (min-width:800px){.hero{padding-block:64px 120px}.hero__inner{grid-template-columns:1.15fr 1fr;gap:40px}.hero__stage{width:100%;max-width:500px}}@keyframes float{0%,to{translate:0}50%{translate:0 -10px}}@keyframes rocket{0%,to{translate:0}50%{translate:6px -14px}}@keyframes drift{0%,to{translate:0}50%{translate:12px}}@keyframes pulse{0%,to{scale:1}50%{scale:1.05}}@keyframes spin-slow{to{rotate:360deg}}@keyframes twinkle{0%,to{opacity:1;scale:1}50%{opacity:.35;scale:.7}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}.section{padding-block:clamp(48px,7vw,80px)}.section--tight{padding-block-start:0}.section--after-head{padding-block-start:32px}.section--night{background:var(--night);color:var(--white)}.section--night .section__lead{color:var(--cream)}.section__head{flex-wrap:wrap;justify-content:space-between;align-items:end;gap:12px 24px;margin-block-end:28px;display:flex}.section__title{font-size:clamp(1.9rem,4.5vw,2.6rem);font-weight:700}.section__lead{color:var(--ink-soft);margin-block-start:6px;font-size:1.15rem}.page-head{background:var(--sun);border-end-end-radius:40px;border-end-start-radius:40px;padding-block:40px 44px;position:relative}.page-head--mint{background:var(--mint)}.page-head--sky{background:var(--sky)}.page-head__title{font-size:clamp(2.2rem,6vw,3.4rem);font-weight:700}.page-head__lead{max-width:40em;margin-block-start:10px;font-size:1.2rem}.page-head__with-art{justify-content:space-between;align-items:center;gap:24px;display:flex}.page-head__art{flex-shrink:0;width:80px;margin-block-end:-60px}@media (min-width:700px){.page-head__art{width:110px}}.empty{text-align:center;padding:32px;font-size:1.2rem}.video-grid{grid-template-columns:repeat(auto-fill,minmax(min(100%,250px),1fr));gap:24px;display:grid}.video-grid--three{grid-template-columns:repeat(auto-fill,minmax(min(100%,280px),1fr));margin-block-start:28px}.video-card{height:100%}.video-card__link{background:var(--white);border-radius:var(--radius);border:3px solid var(--white);height:100%;box-shadow:var(--pop);flex-direction:column;text-decoration:none;transition:transform .15s,box-shadow .15s;display:flex;overflow:hidden}.video-card__link:hover{transform:translateY(-4px)rotate(-.6deg);box-shadow:0 10px #0c124524}.video-card__link:focus-visible{outline-offset:4px;border-radius:var(--radius)}.video-card__thumb{aspect-ratio:16/9;border-radius:calc(var(--radius) - 6px) calc(var(--radius) - 6px) 0 0;background:var(--night);position:relative;overflow:hidden}.video-card__thumb img{object-fit:cover}.video-card__play{background:var(--sun);width:54px;height:54px;color:var(--night);border:3px solid var(--white);border-radius:50%;place-items:center;display:grid;position:absolute;inset-block-start:12px;inset-inline-end:12px;box-shadow:0 4px #00000040}.video-card__play svg{margin-inline-start:3px}.video-card__play svg:is(:lang(ae),:lang(ar),:lang(arc),:lang(bcc),:lang(bqi),:lang(ckb),:lang(dv),:lang(fa),:lang(glk),:lang(he),:lang(ku),:lang(mzn),:lang(nqo),:lang(pnb),:lang(ps),:lang(sd),:lang(ug),:lang(ur),:lang(yi)){margin-inline:0 3px}.video-card__meta{flex-wrap:wrap;align-items:center;gap:6px;margin-block-end:4px;display:flex}.video-card__topic,.video-card__duration,.video-card__soon{border-radius:999px;align-items:center;gap:4px;padding:0 12px;font-size:.85rem;font-weight:800;display:inline-flex}.video-card__duration{background:var(--cream)}.video-card__soon{background:var(--sun)}.video-card__body{align-content:start;gap:4px;padding:16px 20px 22px;display:grid}.video-card__topic{background:var(--topic-color,var(--sky))}.video-card--earth{--topic-color:var(--mint)}.video-card--space{--topic-color:var(--sky)}.video-card__title{font-size:1.4rem}.video-card__subtitle{color:var(--ink-soft)}.filter{flex-wrap:wrap;gap:12px;margin-block-end:28px;display:flex}.filter__button{border:3px solid var(--night);background:var(--white);min-height:52px;font-family:var(--font-display);cursor:pointer;border-radius:999px;padding:0 24px;font-size:1.1rem;font-weight:600;box-shadow:0 4px #0c124533}.filter__button[aria-pressed=true]{background:var(--night);color:var(--sun)}.filter__button--earth[aria-pressed=true]{background:var(--mint);color:var(--night)}.filter__button--space[aria-pressed=true]{background:var(--sky);color:var(--night)}.player{background:var(--night);border:5px solid var(--white);border-radius:var(--radius-lg);position:relative;overflow:hidden;box-shadow:0 10px #00000040}.player--wide{aspect-ratio:16/9}.player--tall{aspect-ratio:9/16;border-radius:var(--radius);border-width:4px;box-shadow:0 6px #0000004d}.player iframe{border:0;width:100%;height:100%;position:absolute;inset:0}.player__poster{object-fit:cover}.player__button{cursor:pointer;background:0 0;border:0;place-items:center;width:100%;display:grid;position:absolute;inset:0}.player__button:focus-visible{outline-offset:-8px;border-radius:calc(var(--radius-lg) - 6px)}.player__play{background:var(--sun);width:92px;height:92px;color:var(--night);border:5px solid var(--white);border-radius:50%;place-items:center;transition:transform .15s;display:grid;box-shadow:0 6px #0000004d}.player--tall .player__play{width:68px;height:68px}.player__play svg{margin-inline-start:6px}.player__play svg:is(:lang(ae),:lang(ar),:lang(arc),:lang(bcc),:lang(bqi),:lang(ckb),:lang(dv),:lang(fa),:lang(glk),:lang(he),:lang(ku),:lang(mzn),:lang(nqo),:lang(pnb),:lang(ps),:lang(sd),:lang(ug),:lang(ur),:lang(yi)){margin-inline:0 6px}.player__button:hover .player__play{transform:scale(1.08)}.player__starts{border:3px solid var(--white);white-space:nowrap;position:absolute;inset-block-end:16px;inset-inline-start:50%;translate:-50%}.player__starts:is(:lang(ae),:lang(ar),:lang(arc),:lang(bcc),:lang(bqi),:lang(ckb),:lang(dv),:lang(fa),:lang(glk),:lang(he),:lang(ku),:lang(mzn),:lang(nqo),:lang(pnb),:lang(ps),:lang(sd),:lang(ug),:lang(ur),:lang(yi)){translate:50%}.player__soon{text-align:center;color:var(--white);font-family:var(--font-display);text-shadow:0 2px #0006;background:#0c1245b3;place-content:center;justify-items:center;gap:10px;padding:16px;font-size:clamp(1rem,3.6vw,1.3rem);font-weight:600;display:grid;position:absolute;inset:0}.player__soon .pill{border:3px solid var(--white);text-shadow:none;justify-self:center;min-height:42px;font-size:1.1rem}.player--tall .player__soon{background:linear-gradient(#0000 50%,#0c1245bf);align-content:end;padding-block-end:20px}.shorts-row{scroll-snap-type:inline mandatory;margin-inline:calc(-1 * var(--gutter));padding-block-end:16px;padding-inline:var(--gutter);scroll-padding-inline:var(--gutter);grid-auto-columns:min(62vw,240px);grid-auto-flow:column;gap:20px;display:grid;overflow-x:auto}.shorts-row>*{scroll-snap-align:start}@media (min-width:1000px){.shorts-row{grid-template-columns:repeat(4,1fr);grid-auto-flow:row;margin-inline:0;padding-inline:0;overflow:visible}}.short-card{margin:0}.short-card figcaption{font-family:var(--font-display);flex-wrap:wrap;align-items:center;gap:8px;margin-block-start:14px;font-size:1.15rem;font-weight:600;display:flex}.band{border-radius:var(--radius-lg);box-shadow:var(--pop);gap:28px;padding:clamp(24px,5vw,48px);display:grid}.band--mint{background:var(--mint)}.band__text{align-content:center;justify-items:start;gap:16px;display:grid}.band__text .section__lead{color:var(--night)}.band__list{grid-template-columns:repeat(auto-fill,minmax(min(100%,230px),1fr));gap:12px;display:grid}@media (min-width:900px){.band{grid-template-columns:1fr 1.4fr}}.activity-teaser{background:var(--white);border-radius:20px;align-items:center;gap:14px;padding:14px;display:flex}.activity-teaser img{object-fit:contain;flex-shrink:0;width:56px;height:56px}.activity-teaser>div{justify-items:start;gap:6px;display:grid}.activity-teaser__link{align-items:center;gap:6px;min-height:44px;text-decoration:none;display:inline-flex}.activity-grid{grid-template-columns:repeat(auto-fill,minmax(min(100%,260px),1fr));gap:28px;display:grid}.activity-card{background:var(--white);border-radius:var(--radius);box-shadow:var(--pop);flex-direction:column;display:flex;overflow:hidden}.activity-card__art{background:var(--card-color);background-image:radial-gradient(#ffffff73 2px,#0000 2.5px);background-size:18px 18px;place-items:center;height:190px;display:grid}.activity-card__art img{object-fit:contain;filter:drop-shadow(4px 4px #0c124540);width:auto;max-width:70%;height:140px}.activity-card--sun{--card-color:var(--sun)}.activity-card--mint{--card-color:var(--mint)}.activity-card--sky{--card-color:var(--sky)}.activity-card--coral{--card-color:var(--coral)}.activity-card__body{flex-direction:column;flex:1;gap:8px;padding:20px 22px 24px;display:flex}.activity-card__type{background:var(--cream-2);border-radius:999px;align-self:start;padding:0 12px;font-size:.85rem;font-weight:800}.activity-card__title{font-size:1.35rem}.activity-card__meta{color:var(--ink-soft)}.activity-card__meta a{color:var(--night);-webkit-text-decoration-color:var(--sun);text-decoration-color:var(--sun);text-underline-offset:3px;min-height:32px;font-weight:800;text-decoration-thickness:3px;display:inline-block}.activity-card__action{flex-wrap:wrap;align-items:center;gap:10px;margin-block-start:auto;padding-block-start:12px;display:flex}.activity-card__action .btn{white-space:nowrap;width:100%;padding-inline:16px;font-size:1.02rem}.activity-card__soon{color:var(--ink-soft);font-weight:700}.more-soon{border-radius:var(--radius);border:3px dashed #0c124540;align-items:center;gap:20px;margin-block-start:40px;padding:24px;display:flex}.more-soon img{flex-shrink:0;width:96px}.more-soon__title{font-size:1.4rem}.parents{gap:28px;display:grid}@media (min-width:900px){.parents{grid-template-columns:1.3fr 1fr;align-items:start}}.parents__text{justify-items:start;gap:18px;display:grid}.checklist{gap:12px;margin:0;padding:0;list-style:none;display:grid}.checklist li{align-items:start;gap:12px;font-weight:700;display:flex}.checklist svg{background:var(--mint);width:30px;height:30px;color:var(--night);border-radius:50%;flex-shrink:0;padding:4px}.checklist--light li{font-weight:600}.subscribe-card{border-radius:var(--radius-lg);background:var(--night);color:var(--white);box-shadow:var(--pop);justify-items:start;gap:14px;padding:32px 28px;padding-inline-end:110px;display:grid;position:relative;overflow:hidden}.subscribe-card__kid{width:78px;position:absolute;inset-block-end:-10px;inset-inline-end:18px}.subscribe-card__title{color:var(--sun);font-size:1.6rem}.subscribe{justify-items:start;gap:8px;display:grid}.subscribe__note{opacity:.85;font-size:.92rem}.subscribe-card .pill--soft,.site-footer .pill--soft,.prose-card--night .pill--soft{color:var(--cream);background:#ffffff1f}.video-hero{background:var(--night);color:var(--white);padding-block:20px 36px}.video-hero .player{max-width:1060px;margin-inline:auto}.video-hero__note{max-width:1060px;color:var(--cream);opacity:.8;margin:14px auto 0;font-size:.9rem}.back-link{min-height:48px;font-family:var(--font-display);color:var(--sun);align-items:center;gap:8px;margin-block-end:12px;font-weight:600;text-decoration:none;display:inline-flex}.video-layout{gap:32px;padding-block:36px 8px;display:grid}@media (min-width:960px){.video-layout{grid-template-columns:1.5fr 1fr;align-items:start}}.video-main{justify-items:start;gap:12px;display:grid}.topic-chip{border-radius:999px;padding:2px 14px;font-size:.9rem;font-weight:800}.topic-chip--earth{background:var(--mint)}.topic-chip--space{background:var(--sky)}.video-main__title{font-size:clamp(2.2rem,6vw,3.2rem);font-weight:700}.video-main__subtitle{font-family:var(--font-display);color:#b5352a;font-size:1.4rem;font-weight:600}.video-main__duration{color:var(--ink-soft);align-items:center;gap:8px;font-weight:700;display:inline-flex}.video-main__description{font-size:1.2rem}.learn{border-radius:var(--radius);background:var(--white);width:100%;box-shadow:var(--pop);margin-block-start:16px;padding:28px}.learn__title{align-items:center;gap:10px;margin-block-end:18px;font-size:1.6rem;display:flex}.learn__title svg{color:var(--sun);flex-shrink:0}.learn__list{counter-reset:learn;gap:14px;margin:0;padding:0;list-style:none;display:grid}.learn__list li{counter-increment:learn;align-items:start;gap:14px;font-weight:600;display:flex}.learn__list li:before{content:counter(learn);background:var(--sun);border-radius:50%;flex-shrink:0;place-items:center;width:34px;height:34px;font-family:Fredoka Variable,system-ui,sans-serif;font-weight:700;display:grid}.learn__list li:nth-child(5n+2):before{background:var(--mint)}.learn__list li:nth-child(5n+3):before{background:var(--sky)}.learn__list li:nth-child(5n+4):before{background:var(--coral)}.learn__list li:nth-child(5n+5):before{background:var(--cream-2)}.video-aside{gap:24px;display:grid}.panel{border-radius:var(--radius);background:var(--white);box-shadow:var(--pop);gap:14px;padding:24px;display:grid}.panel--mint{background:var(--mint)}.panel--night{background:var(--night);color:var(--white)}.panel--night .short-card{max-width:260px}.panel__title{font-size:1.45rem}.chapters{gap:6px;margin:0;padding:0;list-style:none;display:grid}.chapters__row{text-align:start;background:0 0;border:0;border-radius:14px;align-items:center;gap:12px;width:100%;min-height:48px;padding:6px 10px;display:flex}.chapters__row--button{cursor:pointer}.chapters__row--button:hover{background:var(--cream)}.chapters__time{background:var(--night);min-width:56px;color:var(--sun);text-align:center;border-radius:999px;flex-shrink:0;padding:2px 8px;font-family:Fredoka Variable,system-ui,sans-serif;font-weight:600}.chapters__title{font-weight:600}.prose-layout{gap:28px;max-width:860px;padding-block:48px 64px;display:grid}.prose-card{border-radius:var(--radius-lg);background:var(--white);box-shadow:var(--pop);justify-items:start;gap:14px;padding:clamp(24px,5vw,40px);display:grid;position:relative}.prose-card h2{font-size:clamp(1.6rem,4vw,2.1rem)}.prose-card h3{color:var(--sun);margin-block-start:10px;font-size:1.3rem}.prose-card--sun{background:var(--sun)}.prose-card--night{background:var(--night);color:var(--white)}.prose-card--night h2{color:var(--sun);padding-inline-end:90px}.small-print{opacity:.85;font-size:.95rem}.small-print a{color:inherit}.prose-card__art{width:88px;position:absolute;inset-block-start:-28px;inset-inline-end:20px}.not-found{text-align:center;padding-block:64px 80px}.not-found__inner{justify-items:center;gap:18px;display:grid}.not-found__rocket{width:70px;animation:3s ease-in-out infinite float;rotate:-35deg}.site-footer{background:var(--night);color:var(--white);margin-block-start:24px;padding-block:44px 24px}.site-footer__inner{gap:28px;display:grid}@media (min-width:900px){.site-footer__inner{grid-template-columns:1.3fr 1fr 1fr;align-items:start}}.site-footer__brand{align-items:center;gap:16px;display:flex}.site-footer__brand img{flex-shrink:0;width:52px}.site-footer__name{color:var(--sun);font-family:Fredoka Variable,system-ui,sans-serif;font-size:1.4rem;font-weight:650}.site-footer__links{gap:2px;margin:0;padding:0;list-style:none;display:grid}.site-footer__links a{align-items:center;min-height:44px;font-weight:700;text-decoration:none;display:inline-flex}.site-footer__links a:hover{color:var(--sun);text-decoration:underline}.site-footer__copy{border-block-start:2px solid var(--night-2);opacity:.75;margin-block-start:32px;padding-block-start:20px;font-size:.9rem}.questions{border-radius:var(--radius);background:var(--cream-2);border:3px dashed #0c12452e;width:100%;margin-block-start:8px;padding:24px 28px}.questions__title{margin-block-end:6px;font-size:1.5rem}.questions ul{gap:8px;margin:12px 0 0;padding-inline-start:1.2em;font-weight:700;display:grid}.topic-intros{gap:16px;margin-block-end:28px;display:grid}@media (min-width:760px){.topic-intros{grid-template-columns:1fr 1fr}}.topic-intro{border-radius:var(--radius);background:var(--white);border-inline-start:8px solid var(--topic-color,var(--sky));box-shadow:var(--pop);padding:18px 22px}.topic-intro--earth{--topic-color:var(--mint)}.topic-intro--space{--topic-color:var(--sky)}.topic-intro__title{margin-block-end:4px;font-size:1.3rem}.activity-card__cover{object-fit:contain;border-radius:10px;width:auto;height:160px;box-shadow:0 6px #0c12452e}.activity-card__title a,.activity-teaser__title{color:inherit;text-underline-offset:4px;-webkit-text-decoration:underline #0c124540;text-decoration:underline #0c124540;text-decoration-thickness:3px}.activity-card__title a:hover,.activity-teaser__title:hover{-webkit-text-decoration-color:var(--sun);text-decoration-color:var(--sun)}.activity-teaser__title{font-family:var(--font-display);font-weight:600;line-height:1.25}.activity-teaser__title,.activity-card__title a{align-items:center;min-height:44px;display:inline-flex}.back-link--dark{color:var(--night)}.book-head{align-items:center;gap:28px;display:grid}.book-head__text{justify-items:start;gap:14px;display:grid}.book-head__actions{flex-wrap:wrap;gap:14px;margin-block-start:6px;display:flex}.book-head__meta{font-weight:700}.book-head__cover{border:5px solid var(--white);border-radius:16px;justify-self:center;width:min(70vw,300px);height:auto;rotate:2deg;box-shadow:0 10px #0c124533}.book-head__art{justify-self:center;width:180px}@media (min-width:860px){.book-head{grid-template-columns:1.4fr 1fr}}.book-previews{grid-template-columns:repeat(auto-fill,minmax(min(100%,260px),1fr));gap:24px;margin-block-start:24px;display:grid}.book-previews__page{background:var(--white);width:100%;height:auto;box-shadow:var(--pop);border-radius:12px}.book-others{margin-block-start:24px}