/* Reset */
*, *::before, *::after { box-sizing: border-box; }
html, body, h1, h2, h3, h4, p, figure, blockquote, dl, dd { margin: 0; }
ul[role="list"], ol[role="list"] { list-style: none; padding: 0; margin: 0; }
img, picture, svg { max-width: 100%; display: block; }
button, input, select, textarea { font: inherit; color: inherit; }
a { color: inherit; text-decoration: none; }

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

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}

body {
  background: var(--color-background);
  color: var(--color-text);
  font-family: var(--font-body-en);
  font-size: var(--fs-base);
  line-height: var(--lh-body);
  -webkit-font-smoothing: antialiased;
}

html[lang="ar"] body { font-family: var(--font-body-ar); }

h1, h2, h3, h4 {
  font-family: var(--font-heading-en);
  line-height: var(--lh-tight);
  font-weight: 700;
  color: var(--color-primary-dark);
}

html[lang="ar"] h1, html[lang="ar"] h2, html[lang="ar"] h3, html[lang="ar"] h4 {
  font-family: var(--font-heading-ar);
  font-weight: 600;
}

h1 { font-size: var(--fs-3xl); }
h2 { font-size: var(--fs-2xl); }
h3 { font-size: var(--fs-xl); }
h4 { font-size: var(--fs-md); }

@media (min-width: 768px) {
  h1 { font-size: var(--fs-4xl); }
}

p { color: var(--color-text); }
p.lead { font-size: var(--fs-md); color: var(--color-text-muted); }

/* Focus visibility — teal/gold ring per accessibility requirement */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* Skip-to-content link */
.skip-link {
  position: absolute;
  inset-inline-start: -999px;
  top: 0;
  background: var(--color-primary-dark);
  color: var(--color-white);
  padding: var(--sp-2) var(--sp-4);
  z-index: var(--z-toast);
}
.skip-link:focus {
  inset-inline-start: var(--sp-2);
  top: var(--sp-2);
}

/* Layout primitives */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.section {
  padding-block: var(--sp-9);
}
@media (max-width: 768px) {
  .section { padding-block: var(--sp-7); }
}

.section--tint { background: var(--color-primary-tint); }
.section--dark { background: var(--color-primary-dark); color: var(--color-white); }
.section--dark h1, .section--dark h2, .section--dark h3 { color: var(--color-white); }

.eyebrow {
  display: inline-block;
  font-size: var(--fs-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent-dark);
  font-weight: 600;
  margin-block-end: var(--sp-2);
}

.section-head {
  max-width: 640px;
  margin-block-end: var(--sp-7);
}
.section-head--center { margin-inline: auto; text-align: center; }

/* RTL/LTR exceptions logical properties don't cover */
[dir="rtl"] .flip-x { transform: scaleX(-1); }

.icon {
  width: 1.5rem;
  height: 1.5rem;
  flex-shrink: 0;
}
.icon--sm { width: 1.125rem; height: 1.125rem; }
.icon--lg { width: 2.25rem; height: 2.25rem; }