:root {
  --container: 1152px;
  --page-gutter: 24px;

  --font-family-base: "IBM Plex Sans Arabic", Tahoma, Arial, sans-serif;

  --color-primary: #00699E;
  --color-primary-dark: #00527A;
  --color-primary-light: #6ACEFF;
  --color-text: #28313F;
  --color-text-muted: #617589;
  --color-border: #B8CAD8;
  --color-surface-alt: #CBDCE8;
  --color-border-soft: #D5E2EC;
  --color-page-bg: #E6E9ED;
  --color-success: #1F9D55;
  --color-success-light: #DDF6E8;
  --color-warning: #F2B705;
  --color-warning-light: #FFF3C4;
  --color-danger: #D31141;
  --color-danger-light: #FBE3EA;
  --color-white: #FFFFFF;
  --color-black: #000000;
  --overlay-black: rgba(0, 0, 0, .72);
  --shadow-black-02: rgba(0, 0, 0, .02);
  --shadow-black-04: rgba(0, 0, 0, .04);
  --shadow-black-10: rgba(0, 0, 0, .10);
  --surface-white-14: rgba(255, 255, 255, .14);
  --surface-white-80: rgba(255, 255, 255, .80);
  --surface-white-96: rgba(255, 255, 255, .96);

  --font-size-12: 12px;
  --font-size-14: 14px;
  --font-size-16: 16px;
  --font-size-18: 18px;
  --font-size-20: 20px;
  --font-size-22: 22px;
  --font-size-24: 24px;
  --font-weight-regular: 400;
  --font-weight-semibold: 600;
  --font-weight-bold: 800;

  /* Line Heights: عدّلها لاحقًا بعد المعاينة */
  --line-height-tight: 1.35;
  --line-height-normal: 1.6;
  --line-height-loose: 1.8;

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;

  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-pill: 999px;

  --shadow-sm: 0 1px 2px var(--shadow-black-04);
  --shadow-md: 0 8px 24px var(--shadow-black-10);
  --shadow-lg: 0 18px 48px var(--shadow-black-10);

  --transition-fast: 100ms ease;
  --transition-base: 200ms ease;
  --transition-slow: 300ms ease;

  --z-header: 100;
  --z-dropdown: 200;
  --z-overlay: 800;
  --z-drawer: 900;
  --z-modal: 1000;

  --control-sm: 36px;
  --control-md: 44px;
  --control-lg: 52px;
  --border-width: 1px;
  --border-width-active: 2px;
  --focus-outline-color: #6ACEFF;
  --disabled-opacity: .55;
  --hover-lift: -1px;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  color: var(--color-text);
  background: var(--color-page-bg);
  font-family: var(--font-family-base);
  font-size: var(--font-size-16);
  font-weight: var(--font-weight-regular);
  line-height: var(--line-height-normal);
}

body.is-locked { overflow: hidden; }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--color-primary); }
img, svg { display: block; }
button, input { font: inherit; }
button { border: 0; background: none; cursor: pointer; }

:focus-visible {
  outline: var(--border-width-active) solid var(--focus-outline-color);
  outline-offset: 3px;
}

.container {
  width: min(100% - calc(var(--page-gutter) * 2), var(--container));
  margin-inline: auto;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  background: var(--color-white);
  box-shadow: var(--shadow-sm);
}

.utility-bar {
  border-top: 0;
  border-bottom: 0;
  background: var(--color-primary-dark);
}

.utility-inner,
.section-bar-inner,
.header-inner,
.footer-inner,
.footer-cta-inner,
.drawer-head,
.search-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.utility-inner { min-height: 42px; }

.utility-nav,
.quick-links,
.footer-nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.quick-links a,
.footer-nav a,
.site-footer p {
  color: var(--color-text-muted);
  font-size: var(--font-size-12);
  font-weight: var(--font-weight-semibold);
}

.utility-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--color-white);
  font-size: var(--font-size-12);
  font-weight: var(--font-weight-semibold);
}

.utility-link:hover,
.utility-link:focus-visible {
  color: var(--color-white);
  opacity: 1;
}

.utility-link svg {
  width: 14px;
  height: 14px;
  fill: currentColor;
  stroke: none;
  flex: 0 0 auto;
}

.main-header {
  position: relative;
  background: var(--color-white);
  border-bottom: var(--border-width) solid var(--color-border-soft);
}

.header-inner {
  position: relative;
  min-height: 76px;
}

.brand {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
}

.brand img {
  width: 118px;
  height: auto;
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-inline-start: var(--space-5);
}

.nav-item { position: static; }

.nav-link {
  min-height: var(--control-md);
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding-inline: var(--space-3);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-size: var(--font-size-14);
  font-weight: var(--font-weight-semibold);
  transition: color var(--transition-fast), background var(--transition-fast);
}

.nav-link svg,
.icon-button svg,
.placeholder-icon svg {
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.nav-link svg {
  width: 16px;
  height: 16px;
}

.nav-link:hover,
.nav-link.is-active,
.nav-trigger[aria-expanded="true"] {
  color: var(--color-primary);
  background: var(--color-page-bg);
}

.mega-menu {
  position: absolute;
  top: calc(100% + var(--space-2));
  left: 50%;
  z-index: var(--z-dropdown);
  width: min(560px, calc(100vw - calc(var(--page-gutter) * 2)));
  min-width: 0;
  visibility: hidden;
  opacity: 0;
  transform: translate(-50%, -8px);
  background: var(--color-white);
  border: var(--border-width) solid var(--color-border-soft);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: opacity var(--transition-base), transform var(--transition-base), visibility var(--transition-base);
}

.nav-item.is-open .mega-menu {
  visibility: visible;
  opacity: 1;
  transform: translate(-50%, 0);
}

.mega-inner {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3);
  padding: var(--space-4);
}

.mega-inner a {
  display: block;
  padding: var(--space-4);
  border: var(--border-width) solid var(--color-border-soft);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-size: var(--font-size-14);
  font-weight: var(--font-weight-semibold);
  transition: border-color var(--transition-fast), color var(--transition-fast), translate var(--transition-fast);
}

.mega-inner a:hover {
  color: var(--color-primary);
  border-color: var(--color-border);
  translate: 0 var(--hover-lift);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-inline-start: auto;
}

.primary-button,
.outline-button,
.drawer-cta {
  min-height: var(--control-md);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding-inline: var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--font-size-14);
  font-weight: var(--font-weight-bold);
  transition: color var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast), translate var(--transition-fast);
}

.primary-button,
.drawer-cta {
  color: var(--color-white);
  background: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.outline-button {
  color: var(--color-primary);
  background: var(--color-white);
  border: var(--border-width) solid var(--color-border-soft);
}

.login-button {
  gap: var(--space-2);
}

.login-button svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.primary-button:hover,
.drawer-cta:hover {
  color: var(--color-white);
  background: var(--color-text);
  translate: 0 var(--hover-lift);
}

.outline-button:hover {
  color: var(--color-primary);
  border-color: var(--color-border);
  background: var(--color-page-bg);
}

.icon-button {
  width: var(--control-md);
  height: var(--control-md);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  border: var(--border-width) solid var(--color-border-soft);
  border-radius: var(--radius-md);
  color: var(--color-text);
  background: var(--color-white);
  transition: color var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast);
}

.icon-button:hover {
  color: var(--color-primary);
  background: var(--color-page-bg);
  border-color: var(--color-border);
}

.icon-button svg {
  width: 20px;
  height: 20px;
}

.mobile-toggle { display: none; }

.section-bar {
  border-top: var(--border-width) solid var(--color-border-soft);
  background: var(--color-surface-alt);
}

.section-bar-inner { min-height: 52px; }

.breadcrumbs ol {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin: 0;
  padding: 0;
  list-style: none;
}

.breadcrumbs li:not(:last-child)::after {
  content: "‹";
  display: inline-block;
  margin-inline-start: var(--space-2);
  color: var(--color-text-muted);
  direction: ltr;
  unicode-bidi: isolate;
}

.breadcrumbs a,
.breadcrumbs span {
  font-size: var(--font-size-12);
  font-weight: var(--font-weight-semibold);
}

.breadcrumbs a { color: var(--color-primary); }
.breadcrumbs span { color: var(--color-text-muted); }

.mobile-backdrop {
  position: fixed;
  inset: 0;
  z-index: var(--z-overlay);
  background: var(--overlay-black);
}

.mobile-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  left: auto;
  width: min(100% - 40px, 420px);
  z-index: var(--z-drawer);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  padding: var(--space-5);
  overflow-y: auto;
  background: var(--color-white);
  box-shadow: var(--shadow-lg);
  transform: translate3d(100%, 0, 0);
  transition: transform var(--transition-slow);
}

.mobile-drawer.is-open { transform: translate3d(0, 0, 0); }

.mobile-nav {
  display: grid;
  gap: var(--space-1);
}

.mobile-nav a {
  min-height: var(--control-md);
  display: flex;
  align-items: center;
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-size: var(--font-size-16);
  font-weight: var(--font-weight-semibold);
}

.drawer-account {
  display: grid;
  gap: var(--space-2);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  background: var(--color-page-bg);
}

.drawer-account span {
  color: var(--color-text-muted);
  font-size: var(--font-size-14);
}

.drawer-account a {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-primary);
  font-weight: var(--font-weight-bold);
}

.drawer-account a svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.search-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  background: var(--surface-white-96);
}

.search-panel { padding-block: var(--space-7); }

.search-head h2 {
  margin: 0;
  font-size: var(--font-size-24);
  line-height: var(--line-height-tight);
}

.search-form {
  display: flex;
  gap: var(--space-3);
  margin-block-start: var(--space-5);
}

.search-form input {
  min-height: var(--control-lg);
  width: 100%;
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius-md);
  padding-inline: var(--space-5);
  color: var(--color-text);
  background: var(--color-white);
}

.site-main {
  padding-block: var(--space-8);
}

.content-shell {
  min-height: 360px;
  display: grid;
  place-items: center;
  padding: var(--space-7);
  border: var(--border-width) solid var(--color-border-soft);
  border-style: solid;
  border-radius: var(--radius-lg);
  background: var(--surface-white-80);
}

.content-placeholder {
  max-width: 560px;
  text-align: center;
}

.placeholder-icon {
  width: 52px;
  height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-block-end: var(--space-4);
  border-radius: var(--radius-md);
  color: var(--color-primary);
  background: var(--color-border-soft);
}

.placeholder-icon svg {
  width: 28px;
  height: 28px;
}

.content-placeholder h1 {
  margin: 0;
  color: var(--color-text);
  font-size: var(--font-size-24);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
}

.content-placeholder p {
  margin: var(--space-2) 0 0;
  color: var(--color-text-muted);
  font-size: var(--font-size-14);
  line-height: var(--line-height-loose);
}

.footer-cta {
  border-top: var(--border-width) solid var(--color-border-soft);
  border-bottom: var(--border-width) solid var(--color-border-soft);
  background: linear-gradient(90deg, var(--color-surface-alt), var(--color-white));
}

.footer-cta-inner {
  min-height: 96px;
}

.footer-cta h2,
.footer-cta p,
.site-footer p {
  margin: 0;
}

.footer-cta h2 {
  font-size: var(--font-size-18);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
}

.footer-cta p {
  margin-block-start: var(--space-1);
  color: var(--color-text-muted);
  font-size: var(--font-size-14);
}

.footer-cta-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.site-footer {
  background: var(--color-white);
}

.footer-inner { min-height: 72px; }

@media (max-width: 1040px) {
  .mobile-toggle { display: inline-flex; }
  .primary-nav,
  .utility-bar,
  .section-bar,
  .header-actions .outline-button { display: none; }
  .header-inner { min-height: 68px; }
  .brand img { width: 110px; }
}

@media (max-width: 768px) {
  :root { --page-gutter: 16px; }
  .search-form,
  .footer-cta-inner,
  .footer-inner {
    flex-direction: column;
    justify-content: center;
    text-align: center;
  }
  .footer-cta-inner { padding-block: var(--space-5); }
  .footer-cta-actions,
  .footer-nav { justify-content: center; flex-wrap: wrap; }
  .site-main { padding-block: var(--space-6); }
  .content-shell { min-height: 300px; padding: var(--space-5); }
}

@media (max-width: 480px) {
  :root { --page-gutter: 12px; }
  .mobile-drawer { width: min(100% - 24px, 420px); }
  .brand img { width: 104px; }
}