*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Scroll reveal — progressive enhancement, hidden by default */
.reveal {
    opacity: 1;
    transform: none;
    transition: opacity 0.6s ease, transform 0.6s ease;
}

@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(24px);
    }
    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Service card stagger */
.service-card {
    opacity: 1;
    transform: none;
}

@media (prefers-reduced-motion: no-preference) {
    .service-card {
        opacity: 0;
        transform: translateY(20px);
        transition: opacity 0.5s ease, transform 0.5s ease, border-color 0.3s ease, box-shadow 0.3s ease;
    }
    .service-card.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Mobile menu animation */
#mobileNav {
    transition: max-height 0.3s ease, opacity 0.3s ease;
    max-height: 0;
    opacity: 0;
    overflow: hidden;
}

#mobileNav.open {
    max-height: 400px;
    opacity: 1;
}

/* Subtle pattern overlay for hero */
.hero-pattern {
    background-image: radial-gradient(circle at 1px 1px, rgba(4, 120, 87, 0.04) 1px, transparent 0);
    background-size: 24px 24px;
}