/* Explain: App-specific layout utilities and sections. - */
.section-shell {
    max-width: 76rem;
    margin-inline: auto;
    padding-inline: 1.25rem;
}
@media (min-width: 640px) {
    .section-shell {
        padding-inline: 2rem;
    }
}

/* Hero radial glow */
.hero-glow {
    background:
        radial-gradient(ellipse 60% 50% at 70% 30%, rgba(0, 102, 255, 0.1), transparent 60%),
        radial-gradient(ellipse 45% 40% at 20% 80%, rgba(0, 102, 255, 0.05), transparent 60%);
}

/* Fade-up reveal on scroll */
.reveal {
    opacity: 0;
    transform: translateY(26px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
    .reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }
}