/* ===== RESET & BASE STYLES ===== */
html { scroll-behavior: smooth; }
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    background-color: var(--clr-bg);
    color: var(--clr-text-primary);
    font-family: var(--font-body), sans-serif;
}

/* Visually hidden, but accessible to screen readers */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}