/**
 * ============================================================================
 * FILE: theme.css
 * LOCATION: /public_html/theme.css (Namecheap cPanel)
 * AGENCY: Virtechserve - Digital Marketing & Growth Agency (virtechserve.com)
 * AUTHOR: Virtechserve Brand & UX Engineering Team
 * 
 * DESCRIPTION:
 *   Unified CSS variables and component utilities for virtechserve.com.
 *   Derived strictly from official brand identity:
 *   - Primary Deep Navy: #032B3A
 *   - Accent Electric Cyan: #00A3E0
 *   - Soft Ice Tint: #E0F2FE
 *   - Typography: Plus Jakarta Sans (English) & Cairo (Arabic RTL)
 * ============================================================================
 */

/* 1. Google Fonts Import (Plus Jakarta Sans for EN, Cairo for AR) */
@import url('https://fonts.googleapis.com/css2?family=Cairo:wght@400;500;600;700;800;900&family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

/* 2. Global CSS Custom Properties */
:root {
  /* Brand Palette (Strictly from Logo) */
  --vts-primary: #032B3A;
  --vts-primary-dark: #011B24;
  --vts-primary-hover: #07455B;
  --vts-primary-rgb: 3, 43, 58;

  --vts-accent: #00A3E0;
  --vts-accent-hover: #0084B8;
  --vts-accent-rgb: 0, 163, 224;

  --vts-accent-tint: #E0F2FE;
  --vts-accent-tint-subtle: #F0F9FF;

  /* Surfaces & Backgrounds */
  --vts-bg: #F8FAFC;
  --vts-surface: #FFFFFF;
  --vts-surface-muted: #F1F5F9;
  --vts-surface-elevated: #FFFFFF;

  /* Text & Readability */
  --vts-text: #0F172A;
  --vts-text-muted: #475569;
  --vts-text-subtle: #64748B;
  --vts-text-inverse: #FFFFFF;

  /* Borders & Dividers */
  --vts-border: #E2E8F0;
  --vts-border-accent: #BAE6FD;
  --vts-border-hover: #94A3B8;

  /* Functional Accents */
  --vts-success: #0D9488;
  --vts-success-tint: #CCFBF1;
  --vts-warning: #D97706;
  --vts-warning-tint: #FEF3C7;

  /* Typography Stacks */
  --vts-font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --vts-font-arabic: 'Cairo', system-ui, -apple-system, sans-serif;

  /* Shadows & Elevations */
  --vts-shadow-sm: 0 1px 2px 0 rgb(3 43 58 / 0.05);
  --vts-shadow-md: 0 4px 6px -1px rgb(3 43 58 / 0.08), 0 2px 4px -2px rgb(3 43 58 / 0.04);
  --vts-shadow-lg: 0 10px 15px -3px rgb(3 43 58 / 0.1), 0 4px 6px -4px rgb(3 43 58 / 0.05);
  --vts-shadow-xl: 0 20px 25px -5px rgb(3 43 58 / 0.12), 0 8px 10px -6px rgb(3 43 58 / 0.06);
  --vts-shadow-accent: 0 10px 25px -5px rgba(0, 163, 224, 0.35);

  /* Border Radii */
  --vts-radius-sm: 0.375rem;
  --vts-radius-md: 0.625rem;
  --vts-radius-lg: 0.875rem;
  --vts-radius-xl: 1.25rem;
  --vts-radius-full: 9999px;

  /* Transitions */
  --vts-transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --vts-transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* 3. Base Resets & Document Defaults */
html {
  font-family: var(--vts-font-sans);
  color: var(--vts-text);
  background-color: var(--vts-bg);
  scroll-behavior: smooth;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body {
  margin: 0;
  padding: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* 4. Arabic RTL Specific Overrides */
html[dir="rtl"] {
  font-family: var(--vts-font-arabic);
  letter-spacing: 0 !important;
}

html[dir="rtl"] .tracking-wider,
html[dir="rtl"] .tracking-widest,
html[dir="rtl"] .tracking-tight {
  letter-spacing: normal !important;
}

/* Icon Flips for RTL Directional Cues */
html[dir="rtl"] .rtl-flip {
  transform: scaleX(-1);
}

/* Dropdown alignment in RTL */
html[dir="rtl"] .nav-dropdown-menu {
  right: 0 !important;
  left: auto !important;
  text-align: right;
}

/* 5. Reusable Component Classes */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background-color: var(--vts-primary);
  color: var(--vts-text-inverse);
  font-weight: 700;
  font-size: 0.9375rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--vts-radius-lg);
  border: 1px solid var(--vts-primary);
  transition: all var(--vts-transition-base);
  box-shadow: var(--vts-shadow-md);
  text-decoration: none;
  cursor: pointer;
}

.btn-primary:hover {
  background-color: var(--vts-primary-hover);
  border-color: var(--vts-primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--vts-shadow-lg);
}

.btn-accent {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background-color: var(--vts-accent);
  color: #FFFFFF;
  font-weight: 700;
  font-size: 0.9375rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--vts-radius-lg);
  border: 1px solid var(--vts-accent);
  transition: all var(--vts-transition-base);
  box-shadow: var(--vts-shadow-accent);
  text-decoration: none;
  cursor: pointer;
}

.btn-accent:hover {
  background-color: var(--vts-accent-hover);
  border-color: var(--vts-accent-hover);
  transform: translateY(-1px);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background-color: var(--vts-surface);
  color: var(--vts-primary);
  font-weight: 600;
  font-size: 0.9375rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--vts-radius-lg);
  border: 1px solid var(--vts-border);
  transition: all var(--vts-transition-base);
  box-shadow: var(--vts-shadow-sm);
  text-decoration: none;
  cursor: pointer;
}

.btn-secondary:hover {
  background-color: var(--vts-surface-muted);
  border-color: var(--vts-border-hover);
}

/* Card Container */
.vts-card {
  background-color: var(--vts-surface);
  border: 1px solid var(--vts-border);
  border-radius: var(--vts-radius-xl);
  padding: 1.75rem;
  transition: all var(--vts-transition-base);
  box-shadow: var(--vts-shadow-sm);
}

.vts-card:hover {
  border-color: var(--vts-border-accent);
  box-shadow: var(--vts-shadow-lg);
  transform: translateY(-2px);
}

/* Badge Utility */
.vts-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: var(--vts-radius-full);
  background-color: var(--vts-accent-tint);
  color: var(--vts-primary);
  border: 1px solid var(--vts-border-accent);
}

/* Floating WhatsApp Button */
.vts-floating-whatsapp {
  position: fixed;
  bottom: 1.5rem;
  z-index: 990;
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 9999px;
  background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 25px -5px rgba(37, 211, 102, 0.5);
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  text-decoration: none;
}

/* Respect document direction for floating position */
html[dir="ltr"] .vts-floating-whatsapp {
  right: 1.5rem;
  left: auto;
}

html[dir="rtl"] .vts-floating-whatsapp {
  left: 1.5rem;
  right: auto;
}

.vts-floating-whatsapp:hover {
  transform: scale(1.1);
  box-shadow: 0 15px 30px -5px rgba(37, 211, 102, 0.65);
}

/* Modal Overlay & Card for Client-Side Free Tools */
.vts-modal-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(3, 43, 58, 0.65);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.vts-modal-overlay.active {
  display: flex;
}

.vts-modal-content {
  background: var(--vts-surface);
  border: 1px solid var(--vts-border);
  border-radius: var(--vts-radius-xl);
  max-width: 36rem;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--vts-shadow-xl);
  padding: 2rem;
  position: relative;
  animation: vtsModalIn 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes vtsModalIn {
  from { opacity: 0; transform: scale(0.96) translateY(8px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}