/* ==========================================================================
   SAHABAT ALAAMAL (سحابة الأعمال) - CORE DESIGN SYSTEM & STYLES
   Brand Colors: #5a9bd3 (Cloud Azure) & #3a424f (Charcoal Slate)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Alexandria:wght@300;400;500;600;700;800;900&family=Cairo:wght@300;400;500;600;700;800;900&family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

:root {
  /* Brand Core Colors */
  --brand-blue: #5a9bd3;
  --brand-blue-hover: #4588c4;
  --brand-blue-dark: #2d6b9f;
  --brand-blue-light: #8ec1ea;
  --brand-blue-subtle: rgba(90, 155, 211, 0.12);
  --brand-blue-glow: rgba(90, 155, 211, 0.4);

  --brand-slate: #3a424f;
  --brand-slate-light: #525c6d;
  --brand-slate-dark: #262c35;
  --brand-slate-subtle: rgba(58, 66, 79, 0.08);

  /* Accents & Gradients */
  --accent-cyan: #38bdf8;
  --accent-indigo: #6366f1;
  --accent-emerald: #10b981;
  --accent-amber: #f59e0b;
  --accent-rose: #f43f5e;

  --grad-primary: linear-gradient(135deg, #5a9bd3 0%, #2b6fa8 100%);
  --grad-primary-vibrant: linear-gradient(135deg, #6bb3ee 0%, #3a7bb8 50%, #214f7b 100%);
  --grad-hero-glow: radial-gradient(circle at 50% 30%, rgba(90, 155, 211, 0.22) 0%, rgba(90, 155, 211, 0.02) 60%, transparent 80%);
  --grad-card-glow: radial-gradient(800px circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(90, 155, 211, 0.15), transparent 40%);
  --grad-dark-surface: linear-gradient(180deg, #182230 0%, #111823 100%);

  /* Light Theme (Default / Enterprise Crisp) */
  --bg-main: #f8fafc;
  --bg-alt: #f1f5f9;
  --bg-surface: #ffffff;
  --bg-surface-elevated: #ffffff;
  --bg-glass: rgba(255, 255, 255, 0.88);
  --bg-glass-card: rgba(255, 255, 255, 0.75);

  --text-primary: #1e2530;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --text-inverse: #ffffff;

  --border-subtle: #e2e8f0;
  --border-focus: #5a9bd3;
  --border-glass: rgba(226, 232, 240, 0.8);

  --shadow-sm: 0 2px 8px rgba(58, 66, 79, 0.04);
  --shadow-md: 0 8px 24px -4px rgba(58, 66, 79, 0.08), 0 4px 12px -2px rgba(58, 66, 79, 0.04);
  --shadow-lg: 0 20px 40px -10px rgba(58, 66, 79, 0.12), 0 10px 20px -5px rgba(58, 66, 79, 0.06);
  --shadow-glow: 0 0 35px rgba(90, 155, 211, 0.35);

  /* Typography */
  --font-ar: 'Cairo', 'Alexandria', system-ui, -apple-system, sans-serif;
  --font-heading-ar: 'Alexandria', 'Cairo', system-ui, sans-serif;
  --font-en: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;

  /* Layout & Spacing */
  --container-max: 1280px;
  --header-height: 84px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-xl: 30px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 0.18s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.45s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ==========================================================================
   Dark Theme Overrides
   ========================================================================== */
[data-theme="dark"] {
  --bg-main: #0c1118;
  --bg-alt: #121822;
  --bg-surface: #17202e;
  --bg-surface-elevated: #1f2b3e;
  --bg-glass: rgba(18, 24, 34, 0.88);
  --bg-glass-card: rgba(23, 32, 46, 0.8);

  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --text-inverse: #0c1118;

  --border-subtle: #243144;
  --border-focus: #5a9bd3;
  --border-glass: rgba(36, 49, 68, 0.7);

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 24px -4px rgba(0, 0, 0, 0.4), 0 4px 12px -2px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 20px 40px -10px rgba(0, 0, 0, 0.6), 0 10px 20px -5px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 45px rgba(90, 155, 211, 0.4);
}

/* ==========================================================================
   Reset & Base Elements
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 20px);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  width: 100%;
  max-width: 100vw;
  overflow-x: hidden;
}

body {
  font-family: var(--font-ar);
  background-color: var(--bg-main);
  color: var(--text-primary);
  line-height: 1.65;
  font-size: 16px;
  width: 100%;
  max-width: 100vw;
  overflow-x: hidden;
  position: relative;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

html[lang="en"] body {
  font-family: var(--font-en);
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  border: none;
  outline: none;
}

button {
  cursor: pointer;
  background: none;
}

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

ul, ol {
  list-style: none;
}

/* ==========================================================================
   Typography & Utilities
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading-ar);
  font-weight: 700;
  line-height: 1.3;
  color: var(--text-primary);
}

html[lang="en"] h1,
html[lang="en"] h2,
html[lang="en"] h3,
html[lang="en"] h4,
html[lang="en"] h5,
html[lang="en"] h6 {
  font-family: var(--font-en);
  font-weight: 700;
}

.text-gradient {
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-gradient-cyan {
  background: linear-gradient(135deg, var(--brand-blue) 0%, var(--accent-cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: 24px;
}

.section-padding {
  padding-block: 96px;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 780px;
  margin-inline: auto;
  margin-bottom: 56px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 600;
  background: var(--brand-blue-subtle);
  color: var(--brand-blue);
  border: 1px solid rgba(90, 155, 211, 0.25);
  margin-bottom: 16px;
}

.badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--brand-blue);
  box-shadow: 0 0 10px var(--brand-blue);
  animation: pulseDot 2s infinite ease-in-out;
}

@keyframes pulseDot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.4); opacity: 0.6; }
}

.section-title {
  font-size: clamp(1.85rem, 3.5vw, 2.75rem);
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: clamp(1rem, 1.5vw, 1.15rem);
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 28px;
  border-radius: var(--radius-md);
  font-size: 0.975rem;
  font-weight: 600;
  transition: all var(--transition-normal);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.15);
  opacity: 0;
  transition: opacity var(--transition-fast);
  z-index: -1;
}

.btn:hover::after {
  opacity: 1;
}

.btn-primary {
  background: var(--grad-primary);
  color: #ffffff;
  box-shadow: 0 4px 18px rgba(90, 155, 211, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(90, 155, 211, 0.48);
}

.btn-secondary {
  background: var(--bg-surface);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  background: var(--bg-alt);
  border-color: var(--brand-blue);
  color: var(--brand-blue);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--brand-blue);
  border: 1.5px solid var(--brand-blue);
}

.btn-outline:hover {
  background: var(--brand-blue-subtle);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 8px 18px;
  font-size: 0.875rem;
  border-radius: var(--radius-sm);
}

.btn-lg {
  padding: 16px 36px;
  font-size: 1.05rem;
  border-radius: var(--radius-lg);
}

.btn-icon {
  width: 42px;
  height: 42px;
  padding: 0;
  border-radius: var(--radius-md);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  transition: all var(--transition-fast);
}

.btn-icon:hover {
  border-color: var(--brand-blue);
  color: var(--brand-blue);
  background: var(--brand-blue-subtle);
}

/* ==========================================================================
   Glassmorphic & Ambient Glows
   ========================================================================== */
.glass-card {
  background: var(--bg-glass-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.glass-card:hover {
  border-color: rgba(90, 155, 211, 0.45);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.ambient-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  z-index: 0;
}

.ambient-glow-1 {
  top: -80px;
  right: -50px;
  width: 480px;
  height: 480px;
  background: rgba(90, 155, 211, 0.18);
}

.ambient-glow-2 {
  bottom: 5%;
  left: -80px;
  width: 550px;
  height: 550px;
  background: rgba(58, 66, 79, 0.14);
}

[data-theme="dark"] .ambient-glow-1 {
  background: rgba(90, 155, 211, 0.12);
}

[data-theme="dark"] .ambient-glow-2 {
  background: rgba(56, 189, 248, 0.08);
}