:root {
    --dark-1: #0a0a0a;
    --dark-2: #1a1a1a;
    --dark-3: #2a2a2a;
    --accent-blue: #00f5ff;
    --accent-purple: #b300ff;
    --accent-teal: #00ffc8;
  }
  
  body {
    background-color: var(--dark-1);
    color: white;
    font-family: "Inter", sans-serif;
    overflow-x: hidden;
  }
  
  .gradient-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: linear-gradient(135deg, #000000 0%, #0a0a0a 50%, #1a1a1a 100%);
  }
  
  .particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
  }
  
  .particle {
    position: absolute;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
    pointer-events: none;
  }
  
  .section {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
  }
  
  .section.visible {
    opacity: 1;
    transform: translateY(0);
  }
  
  .skill-bar {
    height: 8px;
    border-radius: 4px;
    background: var(--dark-3);
    overflow: hidden;
  }
  
  .skill-progress {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-purple));
    transition: width 1s ease-out;
  }
  
  .contact-input {
    background: var(--dark-3);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: border-color 0.3s ease;
  }
  
  .contact-input:focus {
    outline: none;
    border-color: var(--accent-blue);
  }
  
  .social-icon {
    transition: transform 0.3s ease, color 0.3s ease;
  }
  
  .social-icon:hover {
    transform: translateY(-3px);
    color: var(--accent-blue);
  }
  
  .nav-link {
    position: relative;
  }
  
  .nav-link::after {
    content: "";
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-blue);
    transition: width 0.3s ease;
  }
  
  .nav-link:hover::after {
    width: 100%;
  }
  
  .avatar {
    border: 3px solid transparent;
    background: linear-gradient(var(--dark-1), var(--dark-1)) padding-box,
      linear-gradient(135deg, var(--accent-blue), var(--accent-purple)) border-box;
    animation: float 6s ease-in-out infinite;
  }
  
  @keyframes float {
    0% {
      transform: translateY(0px);
    }
    50% {
      transform: translateY(-10px);
    }
    100% {
      transform: translateY(0px);
    }
  }
  
  /* Thank You Popup Styles */
  .popup-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
  }
  
  .popup-overlay.active {
    opacity: 1;
    visibility: visible;
  }
  
  .popup-content {
    background: linear-gradient(135deg, #1a1a1a, #0a0a0a);
    padding: 2rem;
    border-radius: 12px;
    max-width: 500px;
    width: 90%;
    text-align: center;
    border: 1px solid rgba(0, 245, 255, 0.2);
    box-shadow: 0 10px 25px rgba(0, 245, 255, 0.1);
    transform: scale(0.9);
    transition: all 0.3s ease;
  }
  
  .popup-overlay.active .popup-content {
    transform: scale(1);
  }
  
  .popup-icon {
    font-size: 4rem;
    color: #00f5ff;
    margin-bottom: 1rem;
    animation: bounce 1s infinite alternate;
  }
  
  @keyframes bounce {
    from {
      transform: translateY(0);
    }
    to {
      transform: translateY(-10px);
    }
  }
  
  .popup-btn {
    background: linear-gradient(90deg, #00f5ff, #b300ff);
    color: white;
    border: none;
    padding: 0.75rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    margin-top: 1.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
  }
  
  .popup-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 245, 255, 0.3);
  }