/* ==========================================================================
   Base — reset, typography, RTL, layout primitives
   ========================================================================== */

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

* {
  margin: 0;
}

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-padding-block-start: calc(var(--header-h) + 1rem);
}

html:not(.lenis) {
  scroll-behavior: smooth;
}

html.lenis,
html.lenis body {
  height: auto;
}

.lenis.lenis-smooth [data-lenis-prevent] {
  overscroll-behavior: contain;
}

.lenis.lenis-stopped {
  overflow: hidden;
}

body {
  min-height: 100vh;
  min-height: 100dvh;
  background-color: var(--c-bg);
  color: var(--c-text);
  font-family: var(--ff-body);
  font-size: var(--fs-base);
  line-height: var(--lh-body);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: clip;
  transition: background-color var(--dur-3) var(--ease-out), color var(--dur-3) var(--ease-out);
}

body.is-locked {
  overflow: hidden;
}

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

img {
  height: auto;
}

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

button {
  cursor: pointer;
  background: none;
  border: 0;
}

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

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

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--ff-display);
  font-weight: 700;
  line-height: var(--lh-tight);
  letter-spacing: 0;
  text-wrap: balance;
  overflow-wrap: break-word;
}

p {
  text-wrap: pretty;
  overflow-wrap: break-word;
}

::selection {
  background: rgba(var(--c-accent-rgb), 0.35);
  color: var(--c-text);
}

/* Focus — clearly visible for keyboard users only */
:focus {
  outline: none;
}

:focus-visible {
  outline: 2px solid var(--c-spark);
  outline-offset: 3px;
  border-radius: 4px;
}

/* Latin / numbers inside Arabic text keep LTR direction */
.ltr,
[dir="ltr"] {
  direction: ltr;
  unicode-bidi: isolate;
}

/* ---------- Accessibility helpers ---------- */
[hidden] {
  display: none !important;
}

.sr-only {
  position: absolute !important;
  inline-size: 1px;
  block-size: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  inset-block-start: 1rem;
  inset-inline-start: 1rem;
  z-index: calc(var(--z-loader) + 1);
  padding: 0.75rem 1.25rem;
  background: var(--c-accent);
  color: var(--c-on-accent);
  border-radius: var(--r-sm);
  font-weight: 600;
  transform: translateY(-200%);
  transition: transform var(--dur-2) var(--ease-out);
}

.skip-link:focus {
  transform: translateY(0);
}

/* ---------- Page background: grid + noise + glow ---------- */
.page-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 64px 64px;
  background-position: center top;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, #000 30%, transparent 85%);
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, #000 30%, transparent 85%);
}

.page-noise {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

:root[data-theme="light"] .page-noise {
  opacity: 0.035;
}

/* ---------- Layout primitives ---------- */
.container {
  inline-size: min(100% - var(--gutter) * 2, var(--container));
  margin-inline: auto;
}

.container--narrow {
  inline-size: min(100% - var(--gutter) * 2, var(--container-narrow));
}

.section {
  position: relative;
  padding-block: var(--sp-section);
}

.section--tight {
  padding-block: calc(var(--sp-section) * 0.6);
}

.section--alt {
  background: linear-gradient(to top, transparent, var(--c-bg-2) 20%, var(--c-bg-2) 80%, transparent);
}

.grid {
  display: grid;
  gap: var(--sp-6);
}

.stack > * + * {
  margin-block-start: var(--sp-4);
}

/* Gradient text */
.text-gradient {
  background: var(--g-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-box-decoration-break: clone;
  box-decoration-break: clone;
}

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

.lead {
  font-size: var(--fs-md);
  color: var(--c-muted);
  line-height: 1.9;
  max-inline-size: 62ch;
}

main {
  display: block;
  position: relative;
}