@layer reset {
  *,
  *::before,
  *::after {
    box-sizing: border-box;
  }

  html {
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
  }

  body,
  h1,
  h2,
  h3,
  h4,
  p,
  dl,
  dd,
  figure,
  blockquote,
  fieldset {
    margin: 0;
  }

  fieldset {
    border: 0;
    padding: 0;
    min-inline-size: 0;
  }

  legend {
    padding: 0;
  }

  ul[role="list"],
  ol[role="list"] {
    list-style: none;
    margin: 0;
    padding: 0;
  }

  img,
  svg,
  iframe {
    display: block;
    max-inline-size: 100%;
  }

  input,
  button,
  select,
  textarea {
    font: inherit;
    color: inherit;
  }

  button {
    cursor: pointer;
  }

  [hidden] {
    display: none !important;
  }
}

@layer base {
  html {
    background: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-sans);
    font-size: 100%;
    line-height: 1.5;
    scroll-padding-block-start: calc(var(--identity-bar-height) + var(--space-4));
  }

  body {
    min-block-size: 100vh;
    min-block-size: 100dvh;
    display: flex;
    flex-direction: column;
    background: var(--color-bg);
    font-size: var(--text-base);
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
  }

  :lang(ar) {
    line-height: 1.7;
  }

  h1,
  h2,
  h3 {
    line-height: 1.25;
    font-weight: 650;
    letter-spacing: -0.01em;
  }

  :lang(ar) :is(h1, h2, h3) {
    letter-spacing: 0;
    line-height: 1.45;
  }

  a {
    color: var(--color-primary);
    text-underline-offset: 0.18em;
  }

  a:hover {
    color: var(--color-primary-hover);
  }

  :focus-visible {
    outline: 3px solid var(--color-focus);
    outline-offset: 2px;
  }

  :focus:not(:focus-visible) {
    outline: none;
  }

  [tabindex="-1"]:focus {
    outline: none;
  }

  ::selection {
    background: var(--blue-100);
  }

  /* Identifiers and figures keep their left-to-right order inside Arabic text */
  bdi,
  .ltr-value {
    unicode-bidi: isolate;
  }

  .ltr-value {
    direction: ltr;
  }

  .num {
    font-variant-numeric: tabular-nums;
  }

  .mono {
    font-family: var(--font-mono);
    font-size: 0.92em;
  }

  .icon-sprite {
    position: absolute;
    inline-size: 0;
    block-size: 0;
    overflow: hidden;
  }

  .icon {
    inline-size: 1.25em;
    block-size: 1.25em;
    flex: none;
  }

  [dir="rtl"] .icon--directional {
    transform: scaleX(-1);
  }
}

@layer utilities {
  .visually-hidden:not(:focus):not(:active) {
    position: absolute !important;
    inline-size: 1px !important;
    block-size: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip-path: inset(50%) !important;
    white-space: nowrap !important;
    border: 0 !important;
  }

  .skip-link {
    position: absolute;
    inset-inline-start: var(--space-4);
    inset-block-start: -4rem;
    z-index: 100;
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-md);
    background: var(--color-surface);
    color: var(--color-primary);
    font-weight: 600;
    box-shadow: var(--shadow-lg);
    transition: inset-block-start var(--duration-base) var(--ease-out);
  }

  .skip-link:focus {
    inset-block-start: var(--space-3);
  }
}