body {
      box-sizing: border-box;
    }
    * {
      font-family: 'Inter', sans-serif;
    }
    h1, h2, h3, h4, h5, h6, .heading {
      font-family: 'Space Grotesk', sans-serif;
    }
    
    :root {
      --carbon: #0a0a0a;
      --carbon-light: #141414;
      --soft-white: #f5f5f5;
      --passion-red: #ff2d55;
      --neon-green: #39ff14;
      --electric-blue: #00d4ff;
    }
    
    .gradient-red {
      background: linear-gradient(135deg, var(--passion-red) 0%, #ff6b6b 100%);
    }
    
    .glow-red {
      box-shadow: 0 0 30px rgba(255, 45, 85, 0.4);
    }
    
    .glow-green {
      box-shadow: 0 0 20px rgba(57, 255, 20, 0.3);
    }
    
    .glow-blue {
      box-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
    }
    
    .text-glow-red {
      text-shadow: 0 0 20px rgba(255, 45, 85, 0.5);
    }
    
    .heartbeat {
      animation: heartbeat 1.5s ease-in-out infinite;
    }
    
    @keyframes heartbeat {
      0%, 100% { transform: scale(1); }
      14% { transform: scale(1.1); }
      28% { transform: scale(1); }
      42% { transform: scale(1.1); }
      70% { transform: scale(1); }
    }
    
    @keyframes pulse-glow {
      0%, 100% { box-shadow: 0 0 20px rgba(255, 45, 85, 0.3); }
      50% { box-shadow: 0 0 40px rgba(255, 45, 85, 0.6); }
    }
    
    .pulse-glow {
      animation: pulse-glow 2s ease-in-out infinite;
    }
    
    @keyframes float {
      0%, 100% { transform: translateY(0); }
      50% { transform: translateY(-10px); }
    }
    
    .float {
      animation: float 3s ease-in-out infinite;
    }
    
    @keyframes slide-up {
      from { opacity: 0; transform: translateY(30px); }
      to { opacity: 1; transform: translateY(0); }
    }
    
    .slide-up {
      animation: slide-up 0.6s ease-out forwards;
    }
    
    .card-hover {
      transition: all 0.3s ease;
    }
    
    .card-hover:hover {
      transform: translateY(-5px);
      box-shadow: 0 10px 40px rgba(255, 45, 85, 0.2);
    }
    
    .neon-border {
      border: 1px solid transparent;
      background: linear-gradient(var(--carbon-light), var(--carbon-light)) padding-box,
                  linear-gradient(135deg, var(--passion-red), var(--electric-blue)) border-box;
    }
    
    .scoreboard-font {
      font-family: 'Space Grotesk', monospace;
      font-weight: 700;
      letter-spacing: 0.05em;
    }
    
    .nav-link {
      position: relative;
    }
    
    .nav-link::after {
      content: '';
      position: absolute;
      bottom: -2px;
      left: 0;
      width: 0;
      height: 2px;
      background: var(--passion-red);
      transition: width 0.3s ease;
    }
    
    .nav-link:hover::after {
      width: 100%;
    }
    
    .scrollbar-hide::-webkit-scrollbar {
      display: none;
    }
    
    .scrollbar-hide {
      -ms-overflow-style: none;
      scrollbar-width: none;
    }
    
    input:focus, textarea:focus, select:focus {
      outline: none;
      border-color: var(--passion-red);
      box-shadow: 0 0 0 2px rgba(255, 45, 85, 0.2);
    }
    
    .btn-primary {
      background: linear-gradient(135deg, var(--passion-red) 0%, #ff6b6b 100%);
      transition: all 0.3s ease;
    }
    
    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 10px 30px rgba(255, 45, 85, 0.4);
    }
    
    .modal-overlay {
      background: rgba(0, 0, 0, 0.85);
      backdrop-filter: blur(10px);
    }