/* Scroll-behavior */
    html {
        scroll-behavior: smooth;
    }

    /* Reduce motion preference */
    @media (prefers-reduced-motion: reduce) {
        *, *::before, *::after {
            animation-duration: 0.01ms !important;
            transition-duration: 0.01ms !important;
            scroll-behavior: auto !important;
        }
    }

    /* Fade-in on scroll — progressive enhancement, only when JS is available and motion is preferred */
    .reveal {
        opacity: 0;
        transform: translateY(24px);
        transition: opacity 0.6s ease, transform 0.6s ease;
    }

    @media (prefers-reduced-motion: no-preference) {
        .reveal.revealed {
            opacity: 1;
            transform: translateY(0);
        }
    }

    /* Stagger children */
    .reveal-stagger > * {
        opacity: 0;
        transform: translateY(16px);
        transition: opacity 0.5s ease, transform 0.5s ease;
    }

    @media (prefers-reduced-motion: no-preference) {
        .reveal-stagger.revealed > * {
            opacity: 1;
            transform: translateY(0);
        }
        .reveal-stagger.revealed > *:nth-child(1) { transition-delay: 0.05s; }
        .reveal-stagger.revealed > *:nth-child(2) { transition-delay: 0.1s; }
        .reveal-stagger.revealed > *:nth-child(3) { transition-delay: 0.15s; }
        .reveal-stagger.revealed > *:nth-child(4) { transition-delay: 0.2s; }
    }

    /* FAQ active state */
    .faq-item.active .faq-icon {
        transform: rotate(45deg);
    }

    /* Navbar shadow on scroll */
    header.scrolled {
        box-shadow: 0 4px 20px rgba(2, 44, 34, 0.08);
    }