:root{--gold:#f3cf91;--gold2:#ffedcb;--teal:#9edfd4}
.viewport{background-image:url('assets/isra-world.webp')}
.intro{background:linear-gradient(90deg,#163b48ef,#163b48bf 63%,#163b4840)}
.chapter.completed{border-color:#9edfd4;color:#ffedcb}
.start[hidden]{display:none}.intro .start{max-width:100%;white-space:normal;text-align:left;text-decoration:none}.below-game p{line-height:1.5}.intro-copy{max-width:440px}.intro h1{font-size:clamp(2rem,5.6vw,4.5rem)}