body.dark-mode {
    font-family: 'Inter', sans-serif;
    margin: 0;
    background-color: #0f172a;
    color: #f8fafc;
    scroll-behavior: smooth;
  }
  
  .hero-section {
    background: linear-gradient(135deg, #3b82f6, #9333ea);
    padding: 4rem 2rem;
    text-align: center;
    color: #ffffff;
  }
  
  .hero-content h1 {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 1rem;
  }
  
  .hero-content p {
    font-size: 1.2rem;
    max-width: 600px;
    margin: 0 auto 2rem;
  }
  
  .btn-primary,
  .btn-secondary {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background-color: #38bdf8;
    color: #0f172a;
    font-weight: bold;
    text-decoration: none;
    border-radius: 8px;
    transition: background 0.3s ease;
  }
  
  .btn-secondary {
    background-color: #9333ea;
    margin-top: 1rem;
  }
  
  .btn-primary:hover {
    background-color: #0ea5e9;
  }
  
  .btn-secondary:hover {
    background-color: #7e22ce;
  }
  
  .features-section {
    padding: 4rem 2rem;
    background-color: #1e293b;
    text-align: center;
  }
  
  .features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
  }
  
  .feature-card {
    background-color: #334155;
    padding: 2rem;
    border-radius: 10px;
    transition: transform 0.3s ease;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
  }
  
  .feature-card:hover {
    transform: translateY(-5px);
  }
  
  .feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: #38bdf8;
  }
  
  .projects-section {
    padding: 4rem 2rem;
    background-color: #0f172a;
    text-align: center;
  }
  
  .project-highlights {
    list-style: none;
    padding: 0;
    max-width: 600px;
    margin: 2rem auto 0;
  }
  
  .project-highlights li {
    margin-bottom: 1rem;
    font-size: 1.1rem;
  }
  
  .contact-section {
    padding: 4rem 2rem;
    background-color: #1e293b;
    text-align: center;
  }
  
  .footer-dark {
    text-align: center;
    padding: 2rem;
    font-size: 0.9rem;
    color: #94a3b8;
    background-color: #0f172a;
  }

  .pre-animate {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
  }
  
  .animate-in {
    opacity: 1;
    transform: translateY(0);
  }

  .feature-card {
    background: linear-gradient(135deg, rgba(56,189,248,0.1), rgba(147,51,234,0.1));
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 1rem;
    padding: 2rem;
    color: #e2e8f0;
    backdrop-filter: blur(10px);
    box-shadow: 0 0 20px rgba(56, 189, 248, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-align: center;
  }
  
  .feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 0 30px rgba(56, 189, 248, 0.4);
  }
  
  .feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: #38bdf8;
  }
  
  .features-section h2 {
    font-size: 2.2rem;
    color: #38bdf8;
    margin-bottom: 2rem;
  }
  
  .features-grid {
    margin-top: 2rem;
  }