*,*::before,*::after{box-sizing:border-box}
body{margin:0;background:var(--color-background-primary);color:var(--color-text-primary);font-family:var(--font-body);font-size:var(--text-body-m);line-height:var(--leading-body);-webkit-font-smoothing:antialiased;text-wrap:pretty}
[lang="ar"],[dir="rtl"]{font-family:var(--font-arabic)}
h1,h2,h3,h4{margin:0;font-family:var(--font-heading);font-weight:var(--weight-semibold);letter-spacing:var(--tracking-heading);line-height:var(--leading-heading)}
p{margin:0}
a{color:var(--color-text-primary);text-decoration:none;transition:var(--motion-hover)}
a:hover{color:var(--color-brand-primary)}
:focus-visible{outline:none;box-shadow:var(--focus-ring)}
img,video{display:block;max-width:100%}
/* utility: technical label */
.nv-label{font-family:var(--font-mono);font-size:var(--text-label);letter-spacing:var(--tracking-label);text-transform:uppercase;color:var(--color-text-muted)}
/* utility: directional arrow that mirrors under RTL */
[dir="rtl"] .nv-arrow{transform:scaleX(-1)}