/* intro v24 — Arctic scandinavian: orbit animation, blur-in reveal, colour-invert hover */

/* Orbit circle animation */
.intro-arc__orbit {
    width: 20rem;
    height: 20rem;
    animation: intro-arc-orbit 20s linear infinite;
}
.intro-arc__dot { width: 1rem; height: 1rem; margin-left: -0.5rem; }
@keyframes intro-arc-orbit {
    to { transform: rotate(360deg); }
}

/* Blur-in — hidden only once JS arms it (no-JS content stays visible) */
.intro-arc.is-armed .intro-arc__blur {
    filter: blur(8px);
    opacity: 0;
    transition: filter 560ms ease, opacity 560ms ease;
}
.intro-arc.is-armed .intro-arc__blur.is-in {
    filter: blur(0);
    opacity: 1;
}

/* Colour invert on hover: descendants inherit the row's hover text colour (keyword only, no colour value) */
.intro-arc__row:hover * {
    color: inherit;
}

@media (prefers-reduced-motion: reduce) {
    .intro-arc__orbit { animation: none; }
    .intro-arc__blur { filter: none; opacity: 1; }
}


.explain-solver__unit--lift:hover { transform: scale(1.05); transition: transform .2s ease; }

.explain-solver__icon-thumb { width: 3rem; height: 3rem; }

/* glossary split — footnote icon size (layout only) */
.glossary-split__note-ico {
    width: 3.5rem;
    height: 3.5rem;
}

.glossary-split__note-icon {
    font-size: 1.3rem;
    line-height: 1;
}


.storyblock-chapter__bg-overlay {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.storyblock-chapter__heading-row-trail { margin-bottom: 2rem; }

.content-heading-gap {
    margin-bottom: 2rem;
}

.content-section-pad {
    padding-top: 6rem;
    padding-bottom: 6rem;
}


.signup-conversion__section {
    padding-top: 6rem;
    padding-bottom: 6rem;
}

.signup-conversion__slate--lift:hover { transform: scale(1.05); transition: transform .2s ease; }

.signup-conversion__action--lift:hover { transform: scale(1.05); transition: transform .2s ease; }

.signup-conversion__cards-bs {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    width: 100%;
    justify-content: center;
    box-sizing: border-box;
}

.signup-conversion__cards-bs > .signup-conversion__slate--lift {
    flex: 1 1 100%;
    max-width: 100%;
    min-width: 0;
    box-sizing: border-box;
}

@media (min-width: 768px) {
    .signup-conversion__cards-bs > .signup-conversion__slate--lift {
        flex: 1 1 calc((100% - 2rem) / 2);
        max-width: calc((100% - 2rem) / 2);
    }
}

@media (min-width: 992px) {
    .signup-conversion__cards-bs > .signup-conversion__slate--lift {
        flex: 1 1 calc((100% - 4rem) / 3);
        max-width: calc((100% - 4rem) / 3);
    }
}