/* ============================================================
   Ana Fateen — Base styles
   ============================================================ */

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

html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
}

body {
  background:
    radial-gradient(1100px 600px at 10% -10%, rgba(138, 91, 255, 0.10), transparent 60%),
    radial-gradient(900px 500px at 100% 0%, rgba(31, 190, 196, 0.10), transparent 60%),
    radial-gradient(800px 700px at 50% 120%, rgba(255, 93, 162, 0.08), transparent 60%),
    var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-en);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

h1, h2, h3, h4 {
  margin: 0 0 var(--space-3);
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2rem, 4vw, 3rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); }

p { margin: 0 0 var(--space-3); color: var(--color-ink-muted); }

a {
  color: var(--color-blue);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease-out);
}
a:hover { color: var(--color-purple); }

img { max-width: 100%; display: block; }

button, input, select {
  font-family: inherit;
  font-size: inherit;
}

/* Layout container */
.page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding: var(--space-5);
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
}

.container--narrow { max-width: var(--container-narrow); }

.stack { display: flex; flex-direction: column; gap: var(--space-4); }
.stack--lg { gap: var(--space-6); }
.row { display: flex; align-items: center; gap: var(--space-3); flex-wrap: wrap; }

.center-screen {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Accessibility helpers */
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}

/* Focus state — visible for keyboard */
:where(button, a, input, select, [tabindex]):focus-visible {
  outline: 3px solid var(--color-purple);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}