/* Scroll-driven heading reveal (dark-first) */
.text-scroll-heading {
    --text-scroll-inactive: #3a4044;
    --text-scroll-active: #e0eeee;
}

.text-scroll-heading .text-scroll-line {
    display: inline;
    opacity: 0.4;
    transition: opacity 0.6s ease;
}

.text-scroll-heading.text-scroll-visible .text-scroll-line {
    opacity: 1;
}

html.tr__light__theme .text-scroll-heading {
    --text-scroll-inactive: #9aa4aa;
    --text-scroll-active: #16181c;
}

html.tr__light__theme .text-scroll-heading .text-scroll-line {
    opacity: 0.3;
}

html.tr__light__theme .text-scroll-heading.text-scroll-visible .text-scroll-line {
    opacity: 1;
}

@media (prefers-reduced-motion: reduce) {
    .text-scroll-heading .text-scroll-line {
        transition: none;
        opacity: 1;
    }
}