/*
 * Systmatk web/public — Control Field site layer
 * ---------------------------------------------------------------------------
 * Consumes design-tokens/tokens.css (copied to ./tokens.css in this same
 * directory) exclusively via its semantic custom properties. No hand-authored
 * hex colors, sizes, spacing, or radii below — see design-tokens/README.md
 * consumption rules. This file supplies:
 *   1. Base/reset + Arabic body font stack
 *   2. The dark marketing "stage" used by the apex homepage
 *   3. A calm long-form reading layout for the legal pages
 *   4. Form components for data-request.html (visual only — the <form>
 *      element's action/method/field names/types are frozen and untouched)
 * ---------------------------------------------------------------------------
 */

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

html {
  background: var(--color-bg-marketing);
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font: var(--font-body);
  letter-spacing: var(--font-body-tracking);
  -webkit-font-smoothing: antialiased;
  font-synthesis: none;
}

html[lang="ar"] body,
body[dir="rtl"] {
  font-family: "DG Ghareeb", "Segoe UI", "Tahoma", sans-serif;
}

/* Arabic body copy uses the system Arabic sans per DESIGN_BRIEF.md, not the
   DG Ghareeb display face — DG Ghareeb is reserved for headings/kicker text
   via .stage-kicker / h1 / h2 selectors below, which set it explicitly. */
html[lang="ar"] body {
  font-family: "Segoe UI", "Tahoma", "Arial", sans-serif;
}

a {
  color: inherit;
}

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

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 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: var(--space-2);
  inset-inline-start: var(--space-2);
  z-index: 100;
  transform: translateY(-160%);
  background: var(--color-brand-950);
  color: var(--raw-white);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-small);
  text-decoration: none;
  font: var(--font-ui-sm);
}

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

/* =============================================================
 * FOCUS — every interactive element gets the token focus ring
 * ============================================================= */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: var(--focus-ring-width) solid var(--focus-ring-color);
  outline-offset: var(--focus-ring-offset);
}

/* =============================================================
 * 1. MARKETING STAGE — dark Control Field shell for index.html
 * ============================================================= */
.stage {
  background: var(--color-bg-marketing);
  color: var(--raw-white);
}

.stage-wrap {
  max-width: 1120px;
  margin: 0 auto;
  padding-inline: var(--space-5);
}

.stage-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-block: var(--space-4);
  border-block-end: 1px solid var(--color-border);
}

.stage-brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  font: var(--font-display-4);
  letter-spacing: var(--font-display-4-tracking);
  color: var(--raw-white);
}

.stage-brand .mark {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-avatar);
  background: var(--color-accent);
  color: var(--color-accent-on);
  display: grid;
  place-items: center;
  font: var(--font-ui-label);
  letter-spacing: 0;
  text-transform: none;
}

.stage-links {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.stage-links a {
  text-decoration: none;
  color: color-mix(in srgb, var(--raw-white) 58%, transparent);
  font: var(--font-ui-sm);
  letter-spacing: var(--font-ui-sm-tracking);
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.stage-links a:hover {
  color: var(--raw-white);
}

.stage-lang {
  display: inline-flex;
  align-items: center;
  padding: 3px;
  gap: 2px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
}

.stage-lang a {
  min-width: 44px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-pill);
  color: color-mix(in srgb, var(--raw-white) 58%, transparent);
  text-decoration: none;
  font: var(--font-ui-sm);
  padding-inline: var(--space-3);
}

.stage-lang a[aria-current="true"] {
  background: var(--color-surface);
  color: var(--color-accent-ink-only);
}

.stage-hero {
  padding-block: var(--space-9) var(--space-8);
  max-width: 46ch;
}

.stage-kicker {
  display: inline-block;
  font: var(--font-ui-label);
  letter-spacing: var(--font-ui-label-tracking);
  text-transform: var(--font-ui-label-transform);
  color: var(--color-text-kicker);
  margin-block-end: var(--space-4);
}

.stage-hero h1 {
  font: var(--font-display-1);
  letter-spacing: var(--font-display-1-tracking);
  margin: 0 0 var(--space-4);
}

.stage-hero .lede {
  font: var(--font-ui-md);
  letter-spacing: var(--font-ui-md-tracking);
  color: color-mix(in srgb, var(--raw-white) 66%, transparent);
  max-width: 54ch;
  margin: 0 0 var(--space-6);
}

.stage-cta-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 48px;
  padding-inline: var(--space-5);
  border-radius: var(--radius-pill);
  text-decoration: none;
  font: var(--font-button);
  letter-spacing: var(--font-button-tracking);
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-accent-on);
}

.btn-ghost {
  background: transparent;
  color: var(--raw-white);
  border-color: var(--color-border-strong);
}

.stage-note {
  margin: var(--space-4) 0 0;
  font: var(--font-ui-caption);
  color: color-mix(in srgb, var(--raw-white) 45%, transparent);
}

.stage-panel {
  margin-block-end: var(--space-9);
  border-radius: var(--radius-module);
  background: var(--color-surface-sunken);
  border: 1px solid var(--color-border);
  padding: var(--space-6);
  display: grid;
  gap: var(--space-5);
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

.stage-panel .metric {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.stage-panel .metric strong {
  font: var(--font-display-metric);
  letter-spacing: var(--font-display-metric-tracking);
  color: var(--raw-white);
}

.stage-panel .metric span {
  font: var(--font-ui-caption);
  color: color-mix(in srgb, var(--raw-white) 58%, transparent);
}

.stage-destinations {
  padding-block: 0 var(--space-9);
  display: grid;
  gap: var(--space-4);
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.dest-card {
  border-radius: var(--radius-inner);
  border: 1px solid var(--color-border);
  padding: var(--space-5);
  text-decoration: none;
  color: var(--raw-white);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  min-height: 44px;
}

.dest-card:hover {
  border-color: var(--color-border-strong);
}

.dest-card .dest-kicker {
  font: var(--font-ui-label);
  letter-spacing: var(--font-ui-label-tracking);
  text-transform: var(--font-ui-label-transform);
  color: var(--color-accent);
}

.dest-card h3 {
  font: var(--font-display-4);
  letter-spacing: var(--font-display-4-tracking);
  margin: 0;
}

.dest-card p {
  font: var(--font-ui-md);
  color: color-mix(in srgb, var(--raw-white) 66%, transparent);
  margin: 0;
}

.stage-faq {
  padding-block: 0 var(--space-9);
  border-block-start: 1px solid var(--color-border);
  padding-block-start: var(--space-7);
}

.stage-faq h2 {
  font: var(--font-display-3);
  letter-spacing: var(--font-display-3-tracking);
  margin: 0 0 var(--space-5);
}

.faq-item {
  padding-block: var(--space-4);
  border-block-start: 1px solid var(--color-border);
}

.faq-item:first-of-type {
  border-block-start: none;
}

.faq-item h3 {
  font: var(--font-ui-sm);
  letter-spacing: var(--font-ui-sm-tracking);
  margin: 0 0 var(--space-2);
  color: var(--raw-white);
}

.faq-item p {
  font: var(--font-ui-md);
  color: color-mix(in srgb, var(--raw-white) 66%, transparent);
  margin: 0;
}

.faq-item a {
  color: var(--color-accent);
  text-decoration: underline;
}

.stage-footer {
  border-block-start: 1px solid var(--color-border);
  padding-block: var(--space-6) var(--space-8);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-5);
  align-items: baseline;
  justify-content: space-between;
}

.stage-footer .links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.stage-footer a {
  text-decoration: none;
  color: color-mix(in srgb, var(--raw-white) 58%, transparent);
  font: var(--font-ui-sm);
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.stage-footer a:hover {
  color: var(--raw-white);
}

.stage-footer .addr {
  color: color-mix(in srgb, var(--raw-white) 45%, transparent);
  font: var(--font-ui-caption);
}

/* =============================================================
 * 2. LONG-FORM READING — privacy.html / terms.html
 * ============================================================= */
.doc-shell {
  max-width: 72ch;
  margin: 0 auto;
  padding: var(--space-7) var(--space-4) var(--space-9);
}

.doc-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  margin-block-end: var(--space-6);
  padding-block-end: var(--space-4);
  border-block-end: 1px solid var(--color-border);
}

.doc-top .back {
  text-decoration: none;
  color: var(--color-text-kicker);
  font: var(--font-ui-sm);
  letter-spacing: var(--font-ui-sm-tracking);
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.doc-top .lang-switch {
  text-decoration: none;
  color: var(--color-text-muted);
  font: var(--font-ui-sm);
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.doc-shell h1 {
  font: var(--font-display-2);
  letter-spacing: var(--font-display-2-tracking);
  color: var(--color-text);
  margin: 0 0 var(--space-2);
}

.doc-updated {
  color: var(--color-text-muted);
  font: var(--font-ui-sm);
  letter-spacing: 0;
  font-weight: 600;
  margin: 0 0 var(--space-7);
}

.doc-shell h2 {
  font: var(--font-display-4);
  letter-spacing: var(--font-display-4-tracking);
  color: var(--color-text);
  margin: var(--space-7) 0 var(--space-3);
}

.doc-shell h3 {
  font: var(--font-ui-sm);
  letter-spacing: var(--font-ui-sm-tracking);
  color: var(--color-text);
  margin: var(--space-5) 0 var(--space-2);
}

.doc-shell p,
.doc-shell li {
  font: var(--font-body);
  letter-spacing: var(--font-body-tracking);
  color: var(--color-text);
  margin: 0 0 var(--space-3);
}

.doc-shell ul {
  padding-inline-start: var(--space-5);
  margin: 0 0 var(--space-3);
}

.doc-shell a {
  color: var(--color-brand-800);
  text-decoration: underline;
  text-underline-offset: 2px;
}

[data-theme="dark"] .doc-shell a {
  color: var(--color-accent);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .doc-shell a {
    color: var(--color-accent);
  }
}

.doc-box {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-inner);
  padding: var(--space-5);
  margin: var(--space-5) 0;
}

.doc-box p:last-child {
  margin-bottom: 0;
}

.doc-table-wrap {
  overflow-x: auto;
  margin: var(--space-4) 0;
}

.doc-shell table {
  width: 100%;
  border-collapse: collapse;
  font: var(--font-ui-md);
}

.doc-shell th,
.doc-shell td {
  text-align: start;
  padding: var(--space-3);
  border-block-end: 1px solid var(--color-border);
  vertical-align: top;
}

.doc-shell th {
  color: var(--color-text-kicker);
  font: var(--font-ui-label);
  letter-spacing: var(--font-ui-label-tracking);
  text-transform: var(--font-ui-label-transform);
}

.doc-foot {
  margin-top: var(--space-8);
  padding-top: var(--space-4);
  border-block-start: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font: var(--font-ui-sm);
  font-weight: 600;
  display: flex;
  gap: var(--space-2) var(--space-4);
  flex-wrap: wrap;
}

.doc-foot a {
  color: var(--color-brand-800);
  text-decoration: none;
}

.doc-foot a:hover {
  text-decoration: underline;
}

/* =============================================================
 * 3. FORM — data-request.html (visual only, contract frozen)
 * ============================================================= */
.form-shell {
  max-width: 60ch;
  margin: 0 auto;
  padding: var(--space-7) var(--space-4) var(--space-9);
}

.form-shell h1 {
  font: var(--font-display-2);
  letter-spacing: var(--font-display-2-tracking);
  color: var(--color-text);
  margin: 0 0 var(--space-3);
}

.form-shell .lede {
  font: var(--font-body);
  color: var(--color-text-muted);
  max-width: 58ch;
  margin: 0 0 var(--space-6);
}

.form-note {
  background: var(--color-surface-sunken);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-inner);
  padding: var(--space-5);
  font: var(--font-ui-md);
  color: var(--color-text);
  margin: var(--space-6) 0;
}

.form-note strong {
  display: block;
  margin-block-end: var(--space-2);
  font: var(--font-ui-sm);
}

.form-shell noscript {
  display: block;
  background: var(--tone-warning-bg);
  border: 1px solid var(--tone-warning-border);
  color: var(--tone-warning-fg);
  padding: var(--space-4);
  border-radius: var(--radius-inner);
  font: var(--font-ui-md);
  margin-block-end: var(--space-5);
}

.field {
  margin-block-end: var(--space-5);
}

.field label {
  display: block;
  font: var(--font-ui-label);
  letter-spacing: var(--font-ui-label-tracking);
  text-transform: var(--font-ui-label-transform);
  color: var(--color-text-kicker);
  margin-block-end: var(--space-2);
}

.field input,
.field select,
.field textarea {
  width: 100%;
  font: var(--font-form-input);
  color: var(--color-text);
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-inner);
  padding: var(--space-3) var(--space-4);
  min-height: 48px;
}

.field textarea {
  min-height: 96px;
  resize: vertical;
}

.field input:hover,
.field select:hover,
.field textarea:hover {
  border-color: var(--color-border-strong);
}

.form-shell button[type="submit"] {
  width: 100%;
  font: var(--font-button);
  letter-spacing: var(--font-button-tracking);
  background: var(--color-accent);
  color: var(--color-accent-on);
  border: 0;
  border-radius: var(--radius-pill);
  padding: var(--space-4);
  min-height: 52px;
  margin-block-start: var(--space-2);
  cursor: pointer;
}

.form-shell button[type="submit"]:hover {
  background: color-mix(in srgb, var(--color-accent) 88%, var(--raw-ink) 12%);
}

.form-foot {
  margin-top: var(--space-7);
  padding-top: var(--space-4);
  border-block-start: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font: var(--font-ui-sm);
  font-weight: 600;
}

.form-foot a {
  color: var(--color-brand-800);
  text-decoration: none;
}

.form-foot a:hover {
  text-decoration: underline;
}

.form-top {
  margin-block-end: var(--space-5);
}

.form-top a {
  text-decoration: none;
  color: var(--color-text-kicker);
  font: var(--font-ui-sm);
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

/* =============================================================
 * 4. RESPONSIVE
 * ============================================================= */
@media (max-width: 640px) {
  .stage-hero {
    padding-block: var(--space-7) var(--space-6);
  }
  .stage-panel {
    padding: var(--space-4);
  }
  .doc-shell,
  .form-shell {
    padding-inline: var(--space-3);
  }
}