:root {
    /* Premium Fonts */
    --font-primary: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-secondary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-arabic: 'Cairo', -apple-system, BlinkMacSystemFont, sans-serif;
  
    /* Sophisticated Dark Blue Palette */
    --color-bg: #0a0e27;
    --color-bg-light: #0f1535;
    --color-bg-card: #131842;
    --color-text: #e8eaf6;
    --color-text-muted: #9ca3af;
    --color-accent: #4f6bff;
    --color-accent-light: #6b82ff;
    --color-accent-dark: #3d54e6;
    --color-secondary: #1e2a5e;
    --color-glow: rgba(79, 107, 255, 0.3);
    
    /* Spacing */
    --section-padding: 100px;
    --border-radius: 20px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  }
  
  /* General Reset */
  * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  body {
    font-family: var(--font-secondary);
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.7;
    overflow-x: hidden;
  }
  
  /* Navigation */
  nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 14, 39, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    z-index: 1000;
    padding: 1.2rem 0;
  }
  
  .nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  
  .logo {
    font-family: var(--font-primary);
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--color-text);
    letter-spacing: -0.5px;
  }
  
  .logo span {
    color: var(--color-accent);
  }
  
  /* Language Toggle Button */
  .lang-toggle {
    background: var(--color-bg-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--color-text);
    padding: 8px 20px;
    border-radius: 50px;
    font-weight: 500;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
  }
  
  .lang-toggle:hover {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: #fff;
    transform: translateY(-2px);
  }
  
  .lang-text {
    font-family: var(--font-arabic);
  }
  
  .nav-links {
    display: flex;
    gap: 2.5rem;
  }
  
  .nav-links a {
    text-decoration: none;
    color: var(--color-text);
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
    position: relative;
  }
  
  .nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: width 0.3s ease;
  }
  
  .nav-links a:hover {
    color: var(--color-accent);
  }
  
  .nav-links a:hover::after {
    width: 100%;
  }
  
  /* Hero Section */
  .hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 120px 40px 80px;
    overflow: hidden;
  }
  
  .hero-background {
    position: absolute;
    inset: 0;
    background: 
      radial-gradient(circle at 20% 50%, rgba(79, 107, 255, 0.15) 0%, transparent 50%),
      radial-gradient(circle at 80% 50%, rgba(61, 84, 230, 0.1) 0%, transparent 50%),
      linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-light) 100%);
    z-index: 0;
  }

  #three-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
  }
  
  .hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
    animation: fadeInUp 0.8s ease;
  }
  
  @keyframes fadeInUp {
    from {
      opacity: 0;
      transform: translateY(30px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }
  
  .hero .title {
    font-family: var(--font-primary);
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 700;
    letter-spacing: -2px;
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--color-text) 0%, var(--color-accent-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
  }
  
  .hero .title span {
    color: var(--color-accent);
    -webkit-text-fill-color: var(--color-accent);
  }
  
  .hero .headline {
    font-family: var(--font-secondary);
    font-size: clamp(1.2rem, 3vw, 1.8rem);
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: 15px;
    line-height: 1.4;
  }
  
  .hero .subheadline {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: var(--color-text-muted);
    margin-bottom: 40px;
  }
  
  .hero .cta {
    background: var(--color-accent);
    color: #fff;
    padding: 18px 40px;
    border: none;
    border-radius: 50px;
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: 1.05rem;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 10px 40px rgba(79, 107, 255, 0.3);
  }
  
  .hero .cta:hover {
    background: var(--color-accent-light);
    transform: translateY(-2px);
    box-shadow: 0 15px 50px rgba(79, 107, 255, 0.4);
  }
  
  /* Intro Section */
  .intro {
    padding: var(--section-padding) 40px;
    background: var(--color-bg-light);
  }
  
  .intro-content {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
  }
  
  .section-title {
    font-family: var(--font-primary);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: 20px;
    letter-spacing: -1px;
  }
  
  .intro-text {
    font-size: 1.2rem;
    color: var(--color-text-muted);
    max-width: 800px;
    margin: 0 auto 60px;
    line-height: 1.8;
  }
  
  .stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-top: 60px;
  }
  
  .stat-item {
    padding: 30px;
    background: var(--color-bg-card);
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
  }
  
  .stat-item:hover {
    transform: translateY(-5px);
    border-color: var(--color-accent);
    box-shadow: 0 10px 40px rgba(79, 107, 255, 0.2);
  }
  
  .stat-number {
    font-family: var(--font-primary);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: 10px;
  }
  
  .stat-label {
    color: var(--color-text-muted);
    font-size: 1rem;
  }
  
  /* Work Section */
  .work {
    padding: var(--section-padding) 40px;
    background: var(--color-bg);
  }
  
  .section-subtitle {
    text-align: center;
    color: var(--color-text-muted);
    font-size: 1.1rem;
    margin-bottom: 60px;
  }
  
  .projects {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
  }
  
  .project-card {
    background: var(--color-bg-card);
    border-radius: var(--border-radius);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
    cursor: pointer;
  }
  
  .project-card:hover {
    transform: translateY(-10px);
    border-color: var(--color-accent);
    box-shadow: 0 20px 60px rgba(79, 107, 255, 0.3);
  }
  
  .project-image {
    
    width: 100%;
    height: 240px;
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-accent-dark) 100%);
    position: relative;
    overflow: hidden;
  }
  .project-image img {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    height: 100%;
    width: auto;
    object-fit: cover;
  }
  
  
  .project-image::before {
    content: '';
    position: absolute;
    inset: 0;
    background: 
      repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(255,255,255,0.03) 2px, rgba(255,255,255,0.03) 4px);
    animation: scan 4s linear infinite;
  }
  
  @keyframes scan {
    0% { transform: translateY(-100%); }
    100% { transform: translateY(100%); }
  }
  
  .project-info {
    padding: 30px;
  }
  
  .project-info h3 {
    font-family: var(--font-primary);
    font-size: 1.4rem;
    margin-bottom: 10px;
    color: var(--color-text);
  }
  
  .project-info p {
    color: var(--color-text-muted);
    line-height: 1.6;
  }
  
  /* Why Us Section */
  .whyus {
    padding: var(--section-padding) 40px;
    background: var(--color-bg-light);
  }
  
  .benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 60px auto 0;
  }
  
  .benefit-card {
    padding: 40px 30px;
    background: var(--color-bg-card);
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
    text-align: center;
  }
  
  .benefit-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-accent);
    background: linear-gradient(135deg, var(--color-bg-card) 0%, rgba(79, 107, 255, 0.05) 100%);
  }
  
  .benefit-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 25px;
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
  }
  
  .benefit-card h3 {
    font-family: var(--font-primary);
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--color-text);
  }
  
  .benefit-card p {
    color: var(--color-text-muted);
    line-height: 1.7;
  }
  
  /* Form Section */
  .form-section {
    padding: var(--section-padding) 40px;
    background: var(--color-bg);
  }
  
  .form-container {
    max-width: 600px;
    margin: 0 auto;
    background: var(--color-bg-card);
    padding: 50px;
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  }
  
  .form-subtitle {
    text-align: center;
    color: var(--color-text-muted);
    margin-bottom: 40px;
  }
  
  .form-group {
    margin-bottom: 25px;
  }
  
  .form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--color-text);
    font-size: 0.95rem;
  }
  
  input, textarea, select {
    width: 100%;
    background: var(--color-bg-light);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 14px 18px;
    border-radius: 12px;
    color: var(--color-text);
    font-size: 1rem;
    font-family: var(--font-secondary);
    transition: var(--transition);
  }
  
  input:focus, textarea:focus, select:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(79, 107, 255, 0.1);
  }
  
  textarea {
    resize: vertical;
    min-height: 120px;
  }
  
  .submit-btn {
    width: 100%;
    background: var(--color-accent);
    color: #fff;
    border: none;
    padding: 16px;
    border-radius: 12px;
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: 1.05rem;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-top: 10px;
  }
  
  .submit-btn:hover {
    background: var(--color-accent-light);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(79, 107, 255, 0.3);
  }
  
  .form-message {
    margin-top: 20px;
    padding: 15px;
    border-radius: 8px;
    text-align: center;
    font-weight: 500;
    display: none;
  }
  
  .form-message.success {
    background: rgba(34, 197, 94, 0.1);
    color: #22c55e;
    border: 1px solid rgba(34, 197, 94, 0.3);
    display: block;
  }
  
  .form-message.error {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.3);
    display: block;
  }
  
  /* Contact Section */
  .contact {
    padding: 80px 40px;
    background: var(--color-bg-light);
    text-align: center;
  }
  
  .contact-methods {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-top: 40px;
    flex-wrap: wrap;
  }
  
  .contact-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 28px;
    background: var(--color-bg-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 50px;
    color: var(--color-text);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
  }
  
  .contact-link:hover {
    border-color: var(--color-accent);
    background: rgba(79, 107, 255, 0.1);
    transform: translateY(-3px);
  }
  
  .contact-link svg {
    color: var(--color-accent);
  }
  
  /* Footer */
  footer {
    background: var(--color-bg);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding: 60px 40px 30px;
  }
  
  .footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 50px;
    margin-bottom: 40px;
  }
  
  .footer-section h3,
  .footer-section h4 {
    font-family: var(--font-primary);
    margin-bottom: 20px;
    color: var(--color-text);
  }
  
  .footer-logo {
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: -0.5px;
  }
  
  .footer-logo span {
    color: var(--color-accent);
  }
  
  .footer-section p {
    color: var(--color-text-muted);
    line-height: 1.8;
    margin-bottom: 10px;
  }
  
  .footer-section ul {
    list-style: none;
  }
  
  .footer-section li {
    margin-bottom: 12px;
  }
  
  .footer-section a {
    color: var(--color-text-muted);
    text-decoration: none;
    transition: var(--transition);
  }
  
  .footer-section a:hover {
    color: var(--color-accent);
  }
  
  .footer-socials {
    margin-top: 15px;
    display: flex;
    gap: 15px;
  }
  
  .footer-socials a {
    color: var(--color-accent);
    font-weight: 500;
  }
  
  .footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--color-text-muted);
    font-size: 0.9rem;
    flex-wrap: wrap;
    gap: 20px;
  }
  
  .footer-links {
    display: flex;
    gap: 20px;
  }
  
  .footer-links a {
    color: var(--color-text-muted);
    text-decoration: none;
    transition: var(--transition);
  }
  
  .footer-links a:hover {
    color: var(--color-accent);
  }
  
  /* Responsive Design */
  @media (max-width: 768px) {
    .nav-container {
      padding: 0 20px;
    }
  
    .nav-links {
      gap: 1.5rem;
      font-size: 0.85rem;
    }
  
    .hero {
      padding: 100px 20px 60px;
    }
  
    .hero .title {
      font-size: 2.5rem;
    }
  
    .hero .headline {
      font-size: 1.2rem;
    }
  
    .section-title {
      font-size: 2rem;
    }
  
    .intro,
    .work,
    .whyus,
    .form-section,
    .contact {
      padding: 60px 20px;
    }
  
    .form-container {
      padding: 30px 20px;
    }
  
    .stats {
      grid-template-columns: 1fr;
      gap: 20px;
    }
  
    .projects {
      grid-template-columns: 1fr;
      gap: 30px;
    }
  
    .benefits-grid {
      grid-template-columns: 1fr;
      gap: 20px;
    }
  
    .contact-methods {
      flex-direction: column;
      align-items: stretch;
    }
  
    .footer-bottom {
      flex-direction: column;
      text-align: center;
    }
  
    .footer-links {
      justify-content: center;
    }
  }
  
  @media (max-width: 480px) {
    .nav-links {
      display: none;
    }
  
    .hero .cta {
      width: 100%;
    }
  }
  
  /* ============================================
     RTL (Arabic) Support
     ============================================ */
  [dir="rtl"] {
    font-family: var(--font-arabic);
  }
  
  [dir="rtl"] .hero .title,
  [dir="rtl"] .section-title,
  [dir="rtl"] h1, [dir="rtl"] h2, [dir="rtl"] h3, [dir="rtl"] h4 {
    font-family: var(--font-arabic);
    letter-spacing: 0;
  }
  
  [dir="rtl"] .nav-container {
    flex-direction: row-reverse;
  }
  
  [dir="rtl"] .nav-links {
    flex-direction: row-reverse;
  }
  
  [dir="rtl"] .hero .cta svg,
  [dir="rtl"] .submit-btn svg {
    transform: scaleX(-1);
  }
  
  [dir="rtl"] .benefit-card,
  [dir="rtl"] .project-card,
  [dir="rtl"] .stat-item {
    text-align: right;
  }
  
  [dir="rtl"] .whyus li::before {
    left: auto;
    right: 0;
  }
  
  [dir="rtl"] .whyus li {
    padding-left: 0;
    padding-right: 25px;
  }
  
  [dir="rtl"] .contact-link {
    flex-direction: row-reverse;
  }
  
  [dir="rtl"] .footer-socials {
    flex-direction: row-reverse;
  }
  
  [dir="rtl"] .footer-bottom {
    flex-direction: row-reverse;
  }
  
  [dir="rtl"] input,
  [dir="rtl"] textarea,
  [dir="rtl"] select {
    text-align: right;
  }