:root{--gold:#f4c896;--gold2:#ffe9cb;--teal:#aedec5}
.viewport{background-image:var(--surah-world)}
.intro{background:linear-gradient(90deg,#122d35f2,#122d35c9 63%,#122d3540)}
.chapter.completed{border-color:#aedec5;color:#ffe9cb}
.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)}

/* Al-Fatihah: appearance progression within the current run. */