/* ============================================
   ELVIQA — Base Reset & Global Styles
   ============================================ */

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-bg);
  color: var(--color-text-primary);
  line-height: 1.6;
  transition: background-color var(--transition-base), color var(--transition-base);
  overflow-x: hidden;
  min-height: 100vh;
}

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

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

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

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

button {
  cursor: pointer;
  border: none;
  background: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  line-height: 1.2;
  color: var(--color-text-primary);
}

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

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

@media (max-width: 768px) {
  .container { padding-inline: var(--space-5); }
}

/* Utility */
.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;
}

/* Section spacing */
section {
  padding-block: var(--space-10);
}

@media (max-width: 768px) {
  section { padding-block: var(--space-8); }
}

/* Section label */
.section-label {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-3);
}

/* Section heading */
.section-title {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  margin-bottom: var(--space-4);
  color: var(--color-text-primary);
}

.section-subtitle {
  font-size: 1.0625rem;
  color: var(--color-text-secondary);
  max-width: 52ch;
  line-height: 1.7;
}

/* Divider */
.divider {
  height: 1px;
  background: var(--color-border);
  margin-block: 0;
}

/* Focus ring */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* Smooth theme transition */
* {
  transition-property: background-color, border-color, color;
  transition-duration: 200ms;
  transition-timing-function: ease;
}

a, button {
  transition-property: background-color, border-color, color, opacity, transform, box-shadow;
  transition-duration: 200ms;
  transition-timing-function: ease;
}