/* ============================================================================
   Veya — Base
   Modern reset, typography, layout primitives, accessibility, RTL.
   Depends on tokens.css.
   ============================================================================ */

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

* { margin: 0; }

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 6rem; /* clears the sticky header on anchor jumps */
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

body {
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  line-height: var(--lh-normal);
  font-weight: var(--fw-regular);
  color: var(--text);
  background-color: var(--bg);
  min-height: 100vh;
  overflow-x: clip;
  -webkit-tap-highlight-color: transparent;
  transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

/* Locale-aware type: Arabic / Hebrew swap to their Plex cut for correct shaping. */
:root:lang(ar) body, [lang="ar"] { font-family: var(--font-arabic); }
:root:lang(he) body, [lang="he"] { font-family: var(--font-hebrew); }

img, svg, video, canvas, picture {
  display: block;
  max-width: 100%;
}
img, video { height: auto; }

input, button, textarea, select { font: inherit; color: inherit; }
button { background: none; border: none; cursor: pointer; }

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

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

::selection {
  background: var(--accent);
  color: var(--on-accent);
}

/* ---- Headings ------------------------------------------------------------ */
h1, h2, h3, h4 {
  font-weight: var(--fw-semibold);
  line-height: var(--lh-snug);
  letter-spacing: var(--tracking-tight);
  color: var(--text);
  text-wrap: balance;
}
h1 { font-size: var(--fs-h1); line-height: var(--lh-tight); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }
p { text-wrap: pretty; }

strong, b { font-weight: var(--fw-semibold); }

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

.section { padding-block: var(--section-y); position: relative; }
.section--tight { padding-block: clamp(3rem, 2rem + 5vw, 5rem); }

/* Section intro block (eyebrow + title + lead) */
.section-head {
  max-width: 46rem;
  margin-inline: auto;
  text-align: center;
  margin-bottom: clamp(2.5rem, 1.5rem + 4vw, 4.5rem);
}
.section-head--start { text-align: start; margin-inline: 0; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--fs-eyebrow);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--space-4);
}
.eyebrow::before {
  content: "";
  width: 18px;
  height: 1px;
  background: currentColor;
  opacity: 0.7;
}
.section-head .eyebrow { justify-content: center; }
.section-head--start .eyebrow { justify-content: flex-start; }

.lead {
  font-size: var(--fs-lead);
  line-height: 1.55;
  color: var(--text-muted);
  margin-top: var(--space-5);
}

.muted { color: var(--text-muted); }
.faint { color: var(--text-faint); }
.accent-text { color: var(--accent); }

/* Gradient ink for select display words */
.text-gradient {
  background: var(--accent-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---- Accessibility ------------------------------------------------------- */
:where(a, button, input, textarea, select, [tabindex]):focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

.skip-link {
  position: absolute;
  inset-block-start: -999px;
  inset-inline-start: var(--space-4);
  z-index: var(--z-modal);
  background: var(--accent);
  color: var(--on-accent);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius);
  font-weight: var(--fw-semibold);
}
.skip-link:focus { inset-block-start: var(--space-4); }

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

[hidden] { display: none !important; }

/* ---- Utilities ----------------------------------------------------------- */
.stack > * + * { margin-block-start: var(--flow, var(--space-4)); }
.center { text-align: center; }
.nowrap { white-space: nowrap; }

/* Reveal-on-scroll base state (motion.js adds .in-view) */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--dur-slow) var(--ease),
              transform var(--dur-slow) var(--ease);
  transition-delay: var(--reveal-delay, 0ms);
  will-change: opacity, transform;
}
.reveal.in-view { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* Decorative ambient layers sit behind content and never intercept clicks. */
.ambient {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}
.section > .container { position: relative; z-index: var(--z-base); }