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

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

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

/* Mobile menu */
#mobile-menu.open {
    transform: translateX(0);
}

.mobile-link {
    transition: opacity 0.2s ease;
}

.mobile-link:hover {
    opacity: 0.7;
}

/* Navbar scroll state */
#navbar.scrolled {
    box-shadow: 0 1px 0 rgba(16, 42, 67, 0.06);
}

/* Service card */
.service-card {
    transition: background-color 0.5s ease;
}

/* Process steps */
.process-step {
    padding-top: 0;
}

/* Scroll reveal base — progressive enhancement, hidden only when JS adds class */
.reveal {
    opacity: 1;
    transform: none;
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.revealed {
    opacity: 1;
    transform: none;
}

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

    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Selection */
::selection {
    background-color: #d0e8d8;
    color: #102a43;
}

/* Form focus */
input:focus,
textarea:focus {
    outline: none;
}

/* Smooth image loading */
img {
    image-rendering: auto;
}