/* ============================================
   XARKLO PREMIUM DESIGN SYSTEM
   Arabic-First • Dark Premium • High-End Tech
   ============================================ */

:root {
  /* ========== COLOR PALETTE ========== */
  --xk-bg-primary: #0a0e27;
  --xk-bg-secondary: #0f1436;
  --xk-bg-tertiary: #1a1f3a;
  --xk-bg-accent: #242d52;
  
  --xk-text-primary: #f5f5f5;
  --xk-text-secondary: #b8bcc9;
  --xk-text-muted: #7a8096;
  
  --xk-gold: #d8b56a;
  --xk-gold-light: #e5c896;
  --xk-gold-dark: #c9a453;
  
  --xk-cyan: #29e3cf;
  --xk-cyan-light: #52ecdb;
  --xk-cyan-dark: #1fb3a0;
  
  --xk-purple: #7d6bff;
  --xk-purple-light: #9d8bff;
  --xk-purple-dark: #6d5bef;
  
  --xk-emerald: #3fe09a;
  --xk-emerald-light: #6bebae;
  --xk-emerald-dark: #2fb880;
  
  --xk-red-accent: #ff6b6b;
  --xk-red-accent-light: #ff8a8a;
  
  /* ========== GRADIENTS ========== */
  --xk-gradient-primary: linear-gradient(135deg, rgba(125, 107, 255, 0.15), rgba(41, 227, 207, 0.1));
  --xk-gradient-gold: linear-gradient(135deg, rgba(216, 181, 106, 0.2), rgba(216, 181, 106, 0.05));
  --xk-gradient-cyber: linear-gradient(135deg, rgba(41, 227, 207, 0.15), rgba(125, 107, 255, 0.1));
  
  /* ========== GLOW EFFECTS ========== */
  --xk-glow-cyan: 0 0 30px rgba(41, 227, 207, 0.2);
  --xk-glow-purple: 0 0 30px rgba(125, 107, 255, 0.2);
  --xk-glow-gold: 0 0 30px rgba(216, 181, 106, 0.15);
  
  /* ========== TYPOGRAPHY ========== */
  --xk-font-primary: 'IBM Plex Sans Arabic', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --xk-font-mono: 'IBM Plex Mono', 'Courier New', monospace;
  
  /* ========== FONT SIZES ========== */
  --xk-font-xs: 0.75rem;
  --xk-font-sm: 0.875rem;
  --xk-font-base: 1rem;
  --xk-font-lg: 1.125rem;
  --xk-font-xl: 1.25rem;
  --xk-font-2xl: 1.5rem;
  --xk-font-3xl: 1.875rem;
  --xk-font-4xl: 2.25rem;
  --xk-font-5xl: 3rem;
  --xk-font-6xl: 3.75rem;
  
  /* ========== LINE HEIGHTS ========== */
  --xk-leading-tight: 1.25;
  --xk-leading-snug: 1.375;
  --xk-leading-normal: 1.5;
  --xk-leading-relaxed: 1.625;
  --xk-leading-loose: 1.875;
  
  /* ========== SPACING ========== */
  --xk-space-2: 0.5rem;
  --xk-space-3: 0.75rem;
  --xk-space-4: 1rem;
  --xk-space-6: 1.5rem;
  --xk-space-8: 2rem;
  --xk-space-12: 3rem;
  --xk-space-16: 4rem;
  --xk-space-20: 5rem;
  --xk-space-24: 6rem;
  --xk-space-32: 8rem;
  
  /* ========== BORDERS & RADIUS ========== */
  --xk-radius-sm: 0.5rem;
  --xk-radius-md: 0.75rem;
  --xk-radius-lg: 1rem;
  --xk-radius-xl: 1.5rem;
  --xk-radius-2xl: 2rem;
  --xk-radius-full: 9999px;
  
  --xk-border-width: 1px;
  --xk-border-color: rgba(216, 181, 106, 0.08);
  --xk-border-color-light: rgba(216, 181, 106, 0.05);
  
  /* ========== SHADOWS ========== */
  --xk-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --xk-shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --xk-shadow-lg: 0 12px 24px rgba(0, 0, 0, 0.5);
  --xk-shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.6);
  
  /* ========== TRANSITIONS ========== */
  --xk-transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --xk-transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --xk-transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
  
  /* ========== BREAKPOINTS ========== */
  --xk-bp-mobile: 375px;
  --xk-bp-tablet: 768px;
  --xk-bp-desktop: 1024px;
  --xk-bp-wide: 1440px;
  --xk-bp-ultra: 1920px;
}

/* ========== GLASSMORPHISM MIXIN ========== */
.xk-glass-base {
  background: rgba(15, 20, 54, 0.6);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(216, 181, 106, 0.08);
  border-radius: var(--xk-radius-xl);
}

.xk-glass-premium {
  background: rgba(10, 14, 39, 0.7);
  backdrop-filter: blur(30px);
  border: 1px solid rgba(216, 181, 106, 0.1);
  border-radius: var(--xk-radius-2xl);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.xk-glass-glow {
  background: rgba(10, 14, 39, 0.8);
  backdrop-filter: blur(40px);
  border: 1px solid rgba(41, 227, 207, 0.12);
  border-radius: var(--xk-radius-2xl);
  box-shadow: 0 0 40px rgba(41, 227, 207, 0.1), 0 8px 32px rgba(0, 0, 0, 0.4);
}

/* ========== BASE TYPOGRAPHY ========== */
html {
  font-family: var(--xk-font-primary);
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  margin: 0;
  padding: 0;
  background: var(--xk-bg-primary);
  color: var(--xk-text-primary);
  line-height: var(--xk-leading-normal);
}

/* ========== HEADINGS ========== */
h1, .h1 {
  font-size: var(--xk-font-6xl);
  font-weight: 700;
  line-height: var(--xk-leading-tight);
  margin: 0 0 var(--xk-space-8) 0;
  letter-spacing: -0.02em;
}

h2, .h2 {
  font-size: var(--xk-font-4xl);
  font-weight: 700;
  line-height: var(--xk-leading-snug);
  margin: 0 0 var(--xk-space-6) 0;
  letter-spacing: -0.01em;
}

h3, .h3 {
  font-size: var(--xk-font-2xl);
  font-weight: 600;
  line-height: var(--xk-leading-snug);
  margin: 0 0 var(--xk-space-4) 0;
}

h4, .h4 {
  font-size: var(--xk-font-xl);
  font-weight: 600;
  line-height: var(--xk-leading-normal);
  margin: 0 0 var(--xk-space-3) 0;
}

h5, h6 {
  font-size: var(--xk-font-lg);
  font-weight: 600;
  line-height: var(--xk-leading-normal);
  margin: 0 0 var(--xk-space-3) 0;
}

/* ========== PARAGRAPH ========== */
p {
  font-size: var(--xk-font-base);
  line-height: var(--xk-leading-relaxed);
  margin: 0 0 var(--xk-space-4) 0;
  color: var(--xk-text-secondary);
  max-width: 65ch;
}

p strong {
  color: var(--xk-text-primary);
  font-weight: 600;
}

/* ========== LINKS ========== */
a {
  color: var(--xk-cyan);
  text-decoration: none;
  transition: color var(--xk-transition-fast);
  position: relative;
}

a:hover {
  color: var(--xk-cyan-light);
}

a.underline-animate {
  position: relative;
}

a.underline-animate::after {
  content: '';
  position: absolute;
  bottom: -2px;
  right: 0;
  width: 0;
  height: 2px;
  background: var(--xk-cyan);
  transition: width var(--xk-transition-base);
}

a.underline-animate:hover::after {
  width: 100%;
  right: auto;
  left: 0;
}

/* ========== BUTTONS ========== */
.btn {
  display: inline-block;
  padding: var(--xk-space-4) var(--xk-space-6);
  font-size: var(--xk-font-base);
  font-weight: 600;
  border-radius: var(--xk-radius-lg);
  border: none;
  cursor: pointer;
  transition: all var(--xk-transition-base);
  text-align: center;
  text-decoration: none;
  user-select: none;
  font-family: var(--xk-font-primary);
}

.btn-primary {
  background: linear-gradient(135deg, var(--xk-gold), var(--xk-gold-light));
  color: #000;
  box-shadow: 0 4px 12px rgba(216, 181, 106, 0.25);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(216, 181, 106, 0.35);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background: rgba(41, 227, 207, 0.08);
  border: 1px solid rgba(41, 227, 207, 0.3);
  color: var(--xk-cyan);
  box-shadow: 0 4px 12px rgba(41, 227, 207, 0.1);
}

.btn-secondary:hover {
  background: rgba(41, 227, 207, 0.12);
  border-color: rgba(41, 227, 207, 0.5);
  box-shadow: 0 8px 24px rgba(41, 227, 207, 0.2);
  transform: translateY(-2px);
}

.btn-ghost {
  background: transparent;
  border: 1px solid rgba(216, 181, 106, 0.2);
  color: var(--xk-text-secondary);
}

.btn-ghost:hover {
  border-color: rgba(216, 181, 106, 0.4);
  color: var(--xk-text-primary);
  background: rgba(216, 181, 106, 0.05);
}

/* ========== CARDS ========== */
.card {
  border-radius: var(--xk-radius-xl);
  border: 1px solid var(--xk-border-color);
  background: rgba(15, 20, 54, 0.3);
  padding: var(--xk-space-8);
  transition: all var(--xk-transition-base);
}

.card:hover {
  border-color: rgba(41, 227, 207, 0.2);
  background: rgba(15, 20, 54, 0.5);
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(41, 227, 207, 0.08);
}

.card-premium {
  border-radius: var(--xk-radius-2xl);
  border: 1px solid rgba(216, 181, 106, 0.1);
  background: linear-gradient(135deg, rgba(15, 20, 54, 0.5), rgba(10, 14, 39, 0.3));
  padding: var(--xk-space-8);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(10px);
  transition: all var(--xk-transition-base);
}

.card-premium:hover {
  border-color: rgba(41, 227, 207, 0.25);
  background: linear-gradient(135deg, rgba(15, 20, 54, 0.6), rgba(10, 14, 39, 0.4));
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(41, 227, 207, 0.12);
}

/* ========== SECTIONS ========== */
section {
  padding: var(--xk-space-20) var(--xk-space-8);
}

.section-header {
  margin-bottom: var(--xk-space-16);
  text-align: center;
}

.section-header h2 {
  background: linear-gradient(135deg, var(--xk-text-primary), var(--xk-gold));
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: var(--xk-space-4);
}

.section-header p {
  font-size: var(--xk-font-lg);
  color: var(--xk-text-secondary);
  margin: 0 auto;
}

/* ========== GRID SYSTEMS ========== */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--xk-space-8);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--xk-space-8);
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--xk-space-8);
}

@media (max-width: 768px) {
  .grid-3,
  .grid-4 {
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  }
}

/* ========== UTILITIES ========== */
.text-center {
  text-align: center;
}

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

.text-gold {
  color: var(--xk-gold);
}

.text-cyan {
  color: var(--xk-cyan);
}

.text-purple {
  color: var(--xk-purple);
}

.text-emerald {
  color: var(--xk-emerald);
}

.mt-space-8 {
  margin-top: var(--xk-space-8);
}

.mb-space-8 {
  margin-bottom: var(--xk-space-8);
}

.gap-space-8 {
  gap: var(--xk-space-8);
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--xk-space-8);
}

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
  h1, .h1 {
    font-size: var(--xk-font-5xl);
  }
  
  h2, .h2 {
    font-size: var(--xk-font-3xl);
  }
  
  section {
    padding: var(--xk-space-12) var(--xk-space-6);
  }
}

@media (max-width: 768px) {
  h1, .h1 {
    font-size: var(--xk-font-4xl);
  }
  
  h2, .h2 {
    font-size: var(--xk-font-2xl);
  }
  
  h3, .h3 {
    font-size: var(--xk-font-xl);
  }
  
  section {
    padding: var(--xk-space-12) var(--xk-space-4);
  }
  
  .container {
    padding: 0 var(--xk-space-4);
  }
}

@media (max-width: 375px) {
  h1, .h1 {
    font-size: var(--xk-font-3xl);
  }
  
  h2, .h2 {
    font-size: var(--xk-font-xl);
  }
}

/* ============================================
   PREMIUM UTILITY CLASSES
   ============================================ */

/* Text Utilities */
.text-gradient {
  background: linear-gradient(135deg, var(--xk-gold), var(--xk-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-glow-cyan {
  color: var(--xk-cyan);
  text-shadow: 0 0 20px rgba(41, 227, 207, 0.3);
}

.text-glow-gold {
  color: var(--xk-gold);
  text-shadow: 0 0 15px rgba(216, 181, 106, 0.2);
}

/* Premium Dividers */
.divider-premium {
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--xk-gold), transparent);
  margin: var(--xk-space-6) 0;
}

.divider-gradient {
  height: 3px;
  background: linear-gradient(90deg, var(--xk-purple), var(--xk-cyan), var(--xk-gold));
  margin: var(--xk-space-6) 0;
}

/* Premium Badges */
.badge-premium {
  display: inline-block;
  padding: var(--xk-space-1) var(--xk-space-3);
  background: linear-gradient(135deg, rgba(216, 181, 106, 0.15), rgba(216, 181, 106, 0.05));
  border: 1px solid var(--xk-gold);
  border-radius: var(--xk-radius-md);
  color: var(--xk-gold);
  font-size: var(--xk-font-sm);
  font-weight: 600;
  letter-spacing: 0.5px;
}

.badge-status {
  display: inline-block;
  padding: var(--xk-space-2) var(--xk-space-3);
  background: rgba(63, 224, 154, 0.1);
  border-radius: 20px;
  color: var(--xk-emerald);
  font-size: var(--xk-font-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Premium Feature List */
.feature-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.feature-list li {
  padding: var(--xk-space-2) 0;
  padding-left: var(--xk-space-6);
  position: relative;
  color: var(--xk-text-secondary);
  line-height: 1.6;
}

.feature-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--xk-cyan);
  font-weight: 700;
  font-size: var(--xk-font-lg);
}

/* Section Separators */
.section-divider {
  position: relative;
  text-align: center;
  padding: var(--xk-space-8) 0;
  margin: var(--xk-space-8) 0;
}

.section-divider::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(216, 181, 106, 0.3), transparent);
}

.section-divider::after {
  content: '✦';
  position: relative;
  display: inline-block;
  padding: 0 var(--xk-space-3);
  background: var(--xk-bg-primary);
  color: var(--xk-gold);
  font-size: var(--xk-font-sm);
}

/* Premium Stat Display */
.stat-box {
  padding: var(--xk-space-4);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(216, 181, 106, 0.1);
  border-radius: var(--xk-radius-lg);
  text-align: center;
}

.stat-value {
  font-size: var(--xk-font-4xl);
  font-weight: 700;
  color: var(--xk-gold);
  margin-bottom: var(--xk-space-1);
}

.stat-label {
  font-size: var(--xk-font-sm);
  color: var(--xk-text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Premium Testimonial */
.testimonial-premium {
  padding: var(--xk-space-6);
  background: linear-gradient(135deg, rgba(125, 107, 255, 0.08), rgba(41, 227, 207, 0.05));
  border: 1px solid rgba(125, 107, 255, 0.15);
  border-radius: var(--xk-radius-xl);
  position: relative;
}

.testimonial-premium::before {
  content: '"';
  position: absolute;
  top: -10px;
  left: var(--xk-space-4);
  font-size: 3rem;
  color: var(--xk-gold);
  opacity: 0.3;
}

.testimonial-text {
  font-size: var(--xk-font-lg);
  line-height: 1.8;
  color: var(--xk-text-secondary);
  margin-bottom: var(--xk-space-4);
  font-style: italic;
}

.testimonial-author {
  font-weight: 600;
  color: var(--xk-text-primary);
}

.testimonial-role {
  font-size: var(--xk-font-sm);
  color: var(--xk-text-muted);
  margin-top: var(--xk-space-1);
}

/* Process Step Indicator */
.step-indicator {
  display: flex;
  align-items: center;
  gap: var(--xk-space-3);
  margin-bottom: var(--xk-space-4);
}

.step-number {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--xk-purple), var(--xk-cyan));
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  flex-shrink: 0;
  font-size: var(--xk-font-lg);
}

.step-content h3 {
  margin: 0 0 var(--xk-space-1) 0;
  color: var(--xk-text-primary);
}

.step-content p {
  margin: 0;
  color: var(--xk-text-muted);
}

/* Premium Highlight Box */
.highlight-box {
  padding: var(--xk-space-4);
  background: linear-gradient(135deg, rgba(63, 224, 154, 0.1), rgba(41, 227, 207, 0.05));
  border-left: 4px solid var(--xk-emerald);
  border-radius: var(--xk-radius-md);
}

.highlight-box strong {
  color: var(--xk-emerald);
}

/* Impact Statement */
.impact-statement {
  font-size: var(--xk-font-lg);
  font-weight: 600;
  padding: var(--xk-space-3) var(--xk-space-4);
  background: linear-gradient(135deg, rgba(216, 181, 106, 0.1), rgba(216, 181, 106, 0.02));
  border-radius: var(--xk-radius-md);
  color: var(--xk-gold);
  border-left: 3px solid var(--xk-gold);
}

/* Call-to-Action Premium */
.cta-premium {
  display: inline-flex;
  align-items: center;
  gap: var(--xk-space-2);
  padding: var(--xk-space-3) var(--xk-space-5);
  background: linear-gradient(135deg, var(--xk-gold), rgba(216, 181, 106, 0.8));
  color: var(--xk-bg-primary);
  font-weight: 700;
  border-radius: var(--xk-radius-lg);
  text-decoration: none;
  transition: all var(--xk-transition-smooth);
}

.cta-premium:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(216, 181, 106, 0.2);
}

/* Comparison Table Premium */
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--xk-space-6) 0;
}

.comparison-table th {
  background: linear-gradient(135deg, rgba(125, 107, 255, 0.2), rgba(41, 227, 207, 0.1));
  padding: var(--xk-space-4);
  text-align: right;
  font-weight: 700;
  border-bottom: 2px solid rgba(216, 181, 106, 0.2);
  color: var(--xk-text-primary);
}

.comparison-table td {
  padding: var(--xk-space-4);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  color: var(--xk-text-secondary);
}

.comparison-table tr:hover {
  background: rgba(216, 181, 106, 0.03);
}

.comparison-check {
  color: var(--xk-emerald);
  font-weight: 700;
  font-size: var(--xk-font-lg);
}

.comparison-cross {
  color: var(--xk-text-muted);
  font-weight: 700;
}