body {
    box-sizing: border-box;
  }

  .gradient-bg {
    background: linear-gradient(
      135deg,
      #1a1a2e 0%,
      #16213e 50%,
      #0f3460 100%
    );
  }

  .card-hover {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
  }

  .card-hover:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.3),
      0 10px 10px -5px rgba(0, 0, 0, 0.2);
  }

  .skill-bar {
    transition: width 1s ease-in-out;
  }

  .fade-in {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s ease forwards;
  }

  @keyframes fadeInUp {
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  .mobile-menu {
    transform: translateX(-100%);
    transition: transform 0.3s ease;
  }

  .mobile-menu.active {
    transform: translateX(0);
  }

  .dark-card {
    background: linear-gradient(145deg, #2a2a3e, #1e1e2e);
    border: 1px solid #3a3a4e;
  }

  .glow-effect {
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.3);
  }