/* Explain: Base reset, typography defaults, and scroll animations. */
* {
    box-sizing: border-box;
}

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

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

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

/* Language Toggle Classes */
[dir="rtl"] .lang-en { display: none !important; }
[dir="ltr"] .lang-ar { display: none !important; }

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--background-color);
}
::-webkit-scrollbar-thumb {
    background: var(--surface-color);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--primary-color);
}

/* Scroll Reveal Animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.5, 0, 0, 1);
}
.reveal.active {
    opacity: 1;
    transform: translateY(0);
}
.delay-100 { transition-delay: 100ms; }
.delay-200 { transition-delay: 200ms; }
.delay-300 { transition-delay: 300ms; }