/* ============================================================
   BASE — Reset, global typography, root-level defaults
   ============================================================ */

*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
    overflow-x: hidden;
}

/* Arabic page defaults */
[lang="ar"] {
    font-family: var(--font-arabic);
    font-size: 18px;
    line-height: 1.8;
    color: var(--color-text);
    background-color: var(--color-bg);
}

/* English page defaults */
[lang="en"] {
    font-family: var(--font-english);
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-bg);
}

body {
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ── Arabic heading display font ── */
[lang="ar"] h1,
[lang="ar"] h2 {
    font-family: var(--font-arabic-display);
    font-weight: 700;
    line-height: 1.4;
    letter-spacing: 0;
}

[lang="ar"] h3,
[lang="ar"] h4,
[lang="ar"] h5,
[lang="ar"] h6 {
    font-family: var(--font-arabic);
    font-weight: 700;
    line-height: 1.4;
    letter-spacing: 0;
}

/* ── English headings ── */
[lang="en"] h1,
[lang="en"] h2,
[lang="en"] h3,
[lang="en"] h4,
[lang="en"] h5,
[lang="en"] h6 {
    font-family: var(--font-english);
    font-weight: 700;
    line-height: 1.3;
}

/* ── Links ── */
a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-fast);
}

/* ── Media ── */
img,
svg,
video {
    display: block;
    max-width: 100%;
    height: auto;
}

/* ── Lists ── */
ul,
ol {
    list-style: none;
}

/* ── Buttons ── */
button {
    font-family: inherit;
    font-size: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* ── Custom scrollbar ── */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: var(--color-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-text-muted);
}

/* ── Selection ── */
::selection {
    background: var(--color-primary-light);
    color: var(--color-primary);
}

/* ── Focus ── */
:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 3px;
    border-radius: 4px;
}