/* Explain: Base reset, global styles, and scroll-reveal animation. */
* {
    box-sizing: border-box;
}

html {
    background: var(--background-color);
    scroll-behavior: smooth;
}

body {
    overflow-x: hidden;
    background: var(--background-color);
    color: var(--text-color);
}

[x-cloak] {
    display: none !important;
}

h1, h2, h3, h4 {
    font-family: var(--font-heading);
}

::selection {
    background: var(--accent-color);
    color: #ffffff;
}

/* ---------- Subtle scroll reveal ---------- */
html.js .reveal {
    opacity: 0;
    transform: translateY(26px);
    transition: opacity 0.7s cubic-bezier(0.2, 0.7, 0.3, 1),
        transform 0.7s cubic-bezier(0.2, 0.7, 0.3, 1);
    will-change: opacity, transform;
}

html.js .reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
    html.js .reveal {
        opacity: 1 !important;
        transform: none !important;
        transition: none !important;
    }
}