/**
 * ThemeTree RTL Design System & VIPS Semantic Tokens
 * Architecture: Low-CoR, Pure CSS, Zero-Runtime Framework
 * Typography: Tajawal / Cairo Native Arabic Stacks
 * Version: 2.1.0
 */

@import url('https://fonts.googleapis.com/css2?family=Cairo:wght@500;600;700;800&family=Tajawal:wght@400;500;700;800&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Material+Symbols+Outlined:opsz,wght,FILL,GRAD@20..48,100..700,0..1,-50..200&display=swap');

:root {
  /* ==========================================================================
     1. COLOR TOKENS (Material 3 Derived - Precision Palette)
     ========================================================================== */
  --color-primary: #004ac6;
  --color-primary-container: #2563eb;
  --color-primary-fixed: #dbe1ff;
  --color-primary-fixed-dim: #b4c5ff;
  --color-on-primary: #ffffff;
  --color-on-primary-container: #eeefff;
  --color-on-primary-fixed: #00174b;
  --color-on-primary-fixed-variant: #003ea8;
  --color-inverse-primary: #b4c5ff;

  /* Sys Aliases for M3 compatibility */
  --sys-primary: var(--color-primary);
  --sys-primary-container: var(--color-primary-container);
  --sys-primary-fixed: var(--color-primary-fixed);
  --sys-primary-fixed-dim: var(--color-primary-fixed-dim);
  --sys-on-primary: var(--color-on-primary);
  --sys-on-primary-container: var(--color-on-primary-container);
  --sys-on-primary-fixed: var(--color-on-primary-fixed);
  --sys-inverse-primary: var(--color-inverse-primary);

  --color-secondary: #006c4a;
  --color-secondary-container: #82f5c1;
  --color-secondary-fixed: #85f8c4;
  --color-secondary-fixed-dim: #68dba9;
  --color-on-secondary: #ffffff;
  --color-on-secondary-container: #00714e;
  --sys-secondary: var(--color-secondary);
  --sys-secondary-container: var(--color-secondary-container);
  --sys-secondary-fixed: var(--color-secondary-fixed);
  --sys-secondary-fixed-dim: var(--color-secondary-fixed-dim);
  --sys-on-secondary: var(--color-on-secondary);
  --sys-on-secondary-container: var(--color-on-secondary-container);
  --sys-on-secondary-fixed: var(--color-on-secondary-fixed);

  --color-tertiary: #4b566a;
  --color-tertiary-container: #636e83;
  --color-tertiary-fixed: #d8e3fb;
  --color-tertiary-fixed-dim: #bcc7de;
  --color-on-tertiary: #ffffff;
  --color-on-tertiary-container: #ecf1ff;
  --color-on-tertiary-fixed: #111c2d;
  --color-on-tertiary-fixed-variant: #3c475a;

  --sys-tertiary: var(--color-tertiary);
  --sys-tertiary-container: var(--color-tertiary-container);
  --sys-tertiary-fixed: var(--color-tertiary-fixed);
  --sys-on-tertiary: var(--color-on-tertiary);

  --color-surface: #faf8ff;
  --color-surface-dim: #d2d9f4;
  --color-surface-bright: #faf8ff;
  --color-surface-variant: #dae2fd;
  --color-surface-container-lowest: #ffffff;
  --color-surface-container-low: #f2f3ff;
  --color-surface-container: #eaedff;
  --color-surface-container-high: #e2e7ff;
  --color-surface-container-highest: #dae2fd;
  --color-surface-tint: #0053db;

  --sys-surface: var(--color-surface);
  --sys-surface-dim: var(--color-surface-dim);
  --sys-surface-variant: var(--color-surface-variant);
  --sys-surface-container-lowest: var(--color-surface-container-lowest);
  --sys-surface-container-low: var(--color-surface-container-low);
  --sys-surface-container: var(--color-surface-container);
  --sys-surface-container-high: var(--color-surface-container-high);
  --sys-surface-container-highest: var(--color-surface-container-highest);

  --color-on-surface: #131b2e;
  --color-on-surface-variant: #434655;
  --color-outline: #737686;
  --color-outline-variant: #c3c6d7;
  --color-inverse-surface: #283044;
  --color-inverse-on-surface: #eef0ff;

  --sys-on-surface: var(--color-on-surface);
  --sys-on-surface-variant: var(--color-on-surface-variant);
  --sys-outline: var(--color-outline);
  --sys-outline-variant: var(--color-outline-variant);
  --sys-inverse-surface: var(--color-inverse-surface);
  --sys-inverse-on-surface: var(--color-inverse-on-surface);

  --color-error: #ba1a1a;
  --color-error-container: #ffdad6;
  --color-on-error: #ffffff;
  --color-on-error-container: #93000a;

  --sys-error: var(--color-error);
  --sys-error-container: var(--color-error-container);
  --sys-on-error: var(--color-on-error);
  --sys-on-error-container: var(--color-on-error-container);

  /* Font size token aliases */
  --font-display-hero: var(--text-display-hero);
  --font-headline-xl: var(--text-headline-xl);
  --font-headline-lg: var(--text-headline-lg);
  --font-headline-md: var(--text-headline-md);
  --font-headline-sm: var(--text-headline-sm);
  --font-body-xl: var(--text-body-xl);
  --font-body-lg: var(--text-body-lg);
  --font-body-md: var(--text-body-md);
  --font-body-sm: var(--text-body-sm);
  --font-label-lg: var(--text-label-lg);
  --font-label-md: var(--text-label-md);
  --font-label-micro: var(--text-label-micro);

  /* ==========================================================================
     2. SPACING & CONTAINER SYSTEM
     ========================================================================== */
  --space-2xs: 0.25rem;  /* 4px */
  --space-xs:  0.5rem;   /* 8px */
  --space-sm:  0.75rem;  /* 12px */
  --space-md:  1rem;     /* 16px */
  --space-lg:  1.5rem;   /* 24px */
  --space-xl:  2rem;     /* 32px */
  --space-2xl: 3rem;     /* 48px */
  --space-3xl: 4.5rem;   /* 72px */
  --space-4xl: 6rem;     /* 96px */

  --container-max: 1280px;
  --gutter-desktop: 2rem;
  --gutter-mobile: 1rem;

  /* ==========================================================================
     3. RADII & SHADOW TOKENS
     ========================================================================== */
  --radius-sm:   0.25rem; /* 4px */
  --radius-md:   0.5rem;  /* 8px */
  --radius-lg:   0.75rem; /* 12px */
  --radius-xl:   1rem;    /* 16px */
  --radius-2xl:  1.5rem;  /* 24px */
  --radius-full: 9999px;

  --shadow-xs: 0 1px 2px rgba(19, 27, 46, 0.04);
  --shadow-sm: 0 1px 3px rgba(19, 27, 46, 0.06), 0 1px 2px rgba(19, 27, 46, 0.04);
  --shadow-md: 0 4px 6px -1px rgba(19, 27, 46, 0.08), 0 2px 4px -1px rgba(19, 27, 46, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(19, 27, 46, 0.08), 0 4px 6px -2px rgba(19, 27, 46, 0.03);
  --shadow-xl: 0 20px 25px -5px rgba(19, 27, 46, 0.1), 0 10px 10px -5px rgba(19, 27, 46, 0.04);

  /* ==========================================================================
     4. TYPOGRAPHY SYSTEM (RTL ARABIC FIRST)
     ========================================================================== */
  --font-family-base: 'Tajawal', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-family-display: 'Cairo', 'Tajawal', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Typographic Scale with Arabic Optical Line-Heights */
  --text-display-hero: clamp(2.1rem, 4.5vw, 3rem);
  --leading-display-hero: 1.25;

  --text-headline-xl: clamp(1.75rem, 3.2vw, 2.25rem);
  --leading-headline-xl: 1.3;

  --text-headline-lg: 1.75rem; /* 28px */
  --leading-headline-lg: 1.35;

  --text-headline-md: 1.375rem; /* 22px */
  --leading-headline-md: 1.4;

  --text-headline-sm: 1.125rem; /* 18px */
  --leading-headline-sm: 1.45;

  --text-body-xl: 1.125rem; /* 18px */
  --leading-body-xl: 1.8;

  --text-body-lg: 1rem; /* 16px */
  --leading-body-lg: 1.7;

  --text-body-md: 0.875rem; /* 14px */
  --leading-body-md: 1.65;

  --text-body-sm: 0.8125rem; /* 13px */
  --leading-body-sm: 1.6;

  --text-label-lg: 0.875rem; /* 14px */
  --leading-label-lg: 1.4;

  --text-label-md: 0.75rem; /* 12px */
  --leading-label-md: 1.4;

  --text-label-micro: 0.6875rem; /* 11px */
  --leading-label-micro: 1.3;
}

/* ==========================================================================
   5. BASE RESET & LOW-COR NORMALIZATION
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-family-base);
  font-size: var(--text-body-md);
  line-height: var(--leading-body-md);
  color: var(--color-on-surface);
  background-color: var(--color-surface);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-family-display);
  color: var(--color-on-surface);
  font-weight: 700;
  line-height: 1.3;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.15s ease-in-out;
}

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

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

/* ==========================================================================
   6. VIPS LAYOUT SEGMENTATION PRIMITIVES
   ========================================================================== */
.container-vips,
.vips-container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--gutter-mobile);
}

@media (min-width: 1024px) {
  .container-vips,
  .vips-container {
    padding-inline: var(--gutter-desktop);
  }
}

/* VIPS Semantic Section with High Degree of Coherence (DoC) */
.vips-section {
  position: relative;
  width: 100%;
  padding-block: var(--space-xl);
}

@media (min-width: 1024px) {
  .vips-section {
    padding-block: var(--space-3xl);
  }
}

/* VIPS Visual Separator */
.vips-separator {
  border: 0;
  border-top: 1px solid var(--color-outline-variant);
  opacity: 0.35;
  margin-block: var(--space-2xl);
}

/* 12-Column Layout Grid (Low DOM Depth) */
.vips-grid-12 {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: var(--space-xl);
  align-items: center;
}

@media (min-width: 1024px) {
  .vips-grid-12 {
    grid-template-columns: repeat(12, 1fr);
    gap: var(--space-2xl);
  }
  
  .col-span-7 {
    grid-column: span 7 / span 7;
  }
  
  .col-span-5 {
    grid-column: span 5 / span 5;
  }
  
  .col-span-4 {
    grid-column: span 4 / span 4;
  }
  
  .col-span-8 {
    grid-column: span 8 / span 8;
  }
  
  .col-span-6 {
    grid-column: span 6 / span 6;
  }
}

/* ==========================================================================
   7. CENTERPIECE ANNOTATION CONTAINER
   ========================================================================== */
.centerpiece-module {
  position: relative;
  background-color: var(--color-surface-container-lowest);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-xl);
  padding: var(--space-lg);
  border: 1px solid rgba(195, 198, 215, 0.3);
  overflow: hidden;
  z-index: 10;
}

@media (min-width: 1024px) {
  .centerpiece-module {
    padding: var(--space-xl);
  }
}

.centerpiece-module::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(to left, var(--color-primary), var(--color-secondary));
}

/* ==========================================================================
   8. STRUCTURED INFORMATION CARDS (EAV Matrix)
   ========================================================================== */
.eav-card {
  background-color: var(--color-surface-container-lowest);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-surface-container-high);
  box-shadow: var(--shadow-sm);
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.eav-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.eav-specs-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  padding-block: var(--space-xs);
  border-block: 1px solid var(--color-surface-container);
}

.eav-spec-item {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  font-size: var(--text-body-sm);
}

.eav-spec-key {
  color: var(--color-on-surface-variant);
  font-weight: 500;
}

.eav-spec-value {
  color: var(--color-on-surface);
  font-weight: 700;
}

/* ==========================================================================
   9. ATOMIC UTILITY HELPERS (Zero Bloat)
   ========================================================================== */
.badge-status {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: var(--text-label-micro);
  font-weight: 700;
  text-transform: uppercase;
}

.badge-status.active {
  background-color: var(--color-secondary-fixed);
  color: var(--color-on-secondary-fixed);
}

.badge-status.primary {
  background-color: var(--color-primary-fixed);
  color: var(--color-on-primary-fixed);
}

.btn-action-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-lg);
  background-color: var(--color-primary);
  color: var(--color-on-primary);
  font-weight: 700;
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  border: none;
  transition: background-color 0.15s ease, transform 0.1s ease;
}

.btn-action-primary:hover {
  background-color: var(--color-primary-container);
}

.btn-action-whatsapp {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-full);
  background-color: var(--color-secondary);
  color: var(--color-on-secondary);
  font-weight: 700;
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  border: none;
  transition: background-color 0.15s ease;
}

.btn-action-whatsapp:hover {
  background-color: var(--color-on-secondary-container);
}

/* ==========================================================================
   11. MATERIAL SYMBOLS & ICON COMPONENT NORMALIZATION
   ========================================================================== */
.material-symbols-outlined {
  font-family: 'Material Symbols Outlined' !important;
  font-weight: normal;
  font-style: normal;
  font-size: 20px;
  line-height: 1;
  letter-spacing: normal;
  text-transform: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
  word-wrap: normal;
  direction: ltr;
  font-feature-settings: 'liga';
  -webkit-font-feature-settings: 'liga';
  -webkit-font-smoothing: antialiased;
  vertical-align: middle;
}

/* ==========================================================================
   12. HEADER ARCHITECTURE (Modern Sticky Flow - Non-overlapping)
   ========================================================================== */
header,
header.header-out-single,
header.fixed {
  position: sticky !important;
  top: 0 !important;
  left: 0;
  right: 0;
  width: 100% !important;
  z-index: 1000 !important;
  background-color: rgba(255, 255, 255, 0.98) !important;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--sys-outline-variant, #e2e8f0);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.04);
  margin: 0 !important;
  transition: all 0.25s ease;
}

body,
root,
rootinse {
  overflow-x: clip !important;
  min-height: 100vh;
}

/* ==========================================================================
   13. HERO SECTION STACKING CONTEXT & CLEARANCE (VIPS Protection)
   ========================================================================== */
.hero-section,
.vips-city-hero,
.vips-telemetry-bar,
.vips-section {
  position: relative !important;
  isolation: isolate;
  width: 100%;
  clear: both;
}

.vips-city-hero {
  padding-block: var(--space-xl) var(--space-2xl) !important;
}

.vips-telemetry-bar {
  padding-block: var(--space-sm) !important;
}

/* ==========================================================================
   14. VIPS PROSE & EDITORIAL TYPOGRAPHY (Tajawal / Cairo Hierarchy)
   ========================================================================== */
.service-body-content,
.article-prose-content {
  font-family: var(--font-body, 'Tajawal', sans-serif);
  font-size: var(--text-body-lg, 17px);
  line-height: var(--leading-body-xl, 1.85);
  color: var(--color-on-surface, #1e293b);
  word-break: break-word;
}

.service-body-content p,
.article-prose-content p {
  margin-bottom: var(--space-lg, 20px);
  line-height: 1.85;
}

.service-body-content h2,
.article-prose-content h2 {
  font-family: var(--font-display, 'Cairo', sans-serif);
  font-size: var(--text-headline-md, 24px);
  font-weight: 800;
  color: var(--color-on-surface, #0f172a);
  margin-top: var(--space-2xl, 32px);
  margin-bottom: var(--space-md, 16px);
  padding-bottom: 8px;
  border-bottom: 2px solid var(--color-primary-fixed, #dbe1ff);
}

.service-body-content h3,
.article-prose-content h3 {
  font-family: var(--font-display, 'Cairo', sans-serif);
  font-size: var(--text-headline-sm, 20px);
  font-weight: 700;
  color: var(--color-primary, #004ac6);
  margin-top: var(--space-xl, 24px);
  margin-bottom: var(--space-sm, 12px);
}

.service-body-content ul,
.article-prose-content ul,
.service-body-content ol,
.article-prose-content ol {
  margin-bottom: var(--space-lg, 20px);
  padding-inline-start: var(--space-xl, 24px);
}

.service-body-content li,
.article-prose-content li {
  margin-bottom: var(--space-xs, 8px);
  line-height: 1.8;
}

.service-body-content table,
.article-prose-content table {
  width: 100%;
  border-collapse: collapse;
  margin-block: var(--space-xl, 24px);
  border-radius: var(--radius-md, 8px);
  overflow: hidden;
  box-shadow: var(--shadow-sm, 0 1px 3px rgba(0,0,0,0.05));
}

.service-body-content th,
.article-prose-content th {
  background: var(--color-surface-container-high, #e2e8f0);
  color: var(--color-on-surface, #1e293b);
  padding: 12px 16px;
  font-weight: 700;
  text-align: right;
}

.service-body-content td,
.article-prose-content td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--color-outline-variant, #cbd5e1);
  background: #ffffff;
}

/* EZ-TOC Modern Overrides */
#ez-toc-container {
  background: var(--color-surface-container-lowest, #ffffff) !important;
  border: 1px solid var(--color-outline-variant, #e2e8f0) !important;
  border-radius: var(--radius-xl, 16px) !important;
  padding: var(--space-lg, 20px) !important;
  box-shadow: var(--shadow-sm, 0 1px 3px rgba(0,0,0,0.05)) !important;
  margin-bottom: var(--space-2xl, 32px) !important;
}

#ez-toc-container .ez-toc-title {
  font-family: var(--font-display, 'Cairo', sans-serif) !important;
  font-weight: 800 !important;
  font-size: 18px !important;
  color: var(--color-primary, #004ac6) !important;
}

#ez-toc-container ul li a {
  color: var(--color-on-surface-variant, #475569) !important;
  font-family: var(--font-body, 'Tajawal', sans-serif) !important;
  text-decoration: none !important;
  transition: color 0.15s ease !important;
}

#ez-toc-container ul li a:hover {
  color: var(--color-primary, #004ac6) !important;
}