:root { color-scheme: light; font-family: Roboto, system-ui, sans-serif; color: #172e42; background: #fff; font-synthesis: none; }
* { box-sizing: border-box; }
body { margin: 0; font-size: 18px; line-height: 1.65; }
a { color: inherit; text-underline-offset: .25em; }
a:focus-visible { outline: 3px solid #172e42; outline-offset: 5px; }
.shell { width: min(1160px, calc(100% - 64px)); margin-inline: auto; }
header { display: flex; justify-content: space-between; align-items: center; padding-block: 28px; gap: 16px; }
.brand { font-weight: 850; font-size: 30px; letter-spacing: -.055em; text-decoration: none; }
nav { display: flex; gap: 22px; font-size: 16px; }
nav a { padding-block: 10px; }
nav [aria-current] { font-weight: 750; text-decoration-thickness: 3px; }
.hero { display: grid; grid-template-columns: 1.1fr 1fr; align-items: center; gap: 54px; padding-block: 28px 68px; }
h1 { font-size: clamp(40px, 5.3vw, 65px); line-height: 1.08; letter-spacing: -.045em; font-weight: 800; margin: 0 0 30px; max-width: 12ch; text-wrap: balance; }
p { max-width: 62ch; margin: 0 0 20px; }
.lead { font-size: 24px; line-height: 1.3; font-weight: 700; }
.download { display: inline-block; background: #172e42; color: white; font-weight: 700; text-decoration: none; padding: 16px 24px; border-radius: 8px; margin-top: 16px; }
.download:hover { background: #294e6b; }
.print-note { font-size: 14px; margin-top: 12px; }
figure { margin: 0; background: #edf5fa; border-radius: 40px 8px 40px 8px; padding: 10px; }
figure img { display: block; width: 100%; height: auto; }
h2 { font-size: 28px; line-height: 1.2; letter-spacing: -.02em; margin: 0 0 22px; }
.workshop { background: #f2f6f3; padding-block: 60px; }
.workshop-layout { display: grid; grid-template-columns: 1fr 1.6fr; gap: 80px; }
.adult { font-size: 16px; }
ol { margin: 0; padding-left: 28px; }
li { padding-left: 8px; margin-bottom: 20px; }
li::marker { font-weight: 750; }
.challenge { display: grid; grid-template-columns: 1.2fr 1fr; gap: 70px; align-items: center; padding-block: 64px; }
.board { display: grid; grid-template-columns: repeat(5, 1fr); border-top: 2px solid #52657d; border-left: 2px solid #52657d; }
.board span { aspect-ratio: 1; border-right: 2px solid #52657d; border-bottom: 2px solid #52657d; }
footer { display: flex; justify-content: space-between; gap: 20px; border-top: 1px solid #cbd5dc; padding-block: 24px; font-size: 15px; }
.skip { position: absolute; top: -80px; left: 16px; background: white; padding: 12px; z-index: 2; }
.skip:focus { top: 12px; }
.language-home { min-height: 70vh; display: flex; flex-direction: column; justify-content: center; align-items: flex-start; }
.language-home h1 { max-width: none; }
.language-home a { margin-right: 16px; }
@media (max-width: 720px) {
 .shell { width: calc(100% - 36px); }
 header { padding-block: 18px; }
 .brand { font-size: 26px; }
 nav { gap: 14px; font-size: 15px; }
 .hero, .workshop-layout, .challenge { grid-template-columns: 1fr; gap: 30px; }
 .hero { padding-block: 24px 36px; }
 h1 { max-width: 15ch; }
 figure { max-width: 460px; width: 100%; margin-inline: auto; }
 .workshop { padding-block: 36px; }
 .challenge { padding-block: 40px; }
 .board { max-width: 420px; width: 100%; }
}