
    :root {
      --neon-cyan: #ffffff;
      --cyber-magenta: #f0f;
      --hud-bg: #000a1f;
      --grid-color: rgba(0, 255, 255, 0.1);
    }

    @font-face {
      font-family: 'Cyber';
      src: url('https://fonts.gstatic.com/s/russoone/v14/Z9XUDmZRWg6M1LvRYsHOz8mM.ttf');
    }

    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }

    body {
      background: var(--hud-bg);
      color: #fff;
      font-family: 'Cyber', sans-serif;
      overflow-x: hidden;
      /*perspective: 1000px;*/
    }

    .cyber-grid {
      position: fixed;
      width: 100vw;
      height: 100vh;
      background-image:
        linear-gradient(var(--grid-color) 1px, transparent 1px),
        linear-gradient(90deg, var(--grid-color) 1px, transparent 1px);
      background-size: 50px 50px;
      animation: gridScroll 20s linear infinite;
      z-index: -1;
    }

    @keyframes gridScroll {
      from { background-position: 0 0; }
      to { background-position: 1000px 1000px; }
    }

    .hud-container {
      min-height: 100vh;
      display: flex;
      flex-direction: column;
      align-items: center;
      padding: 2rem;
      position: relative;
      overflow: hidden;
    }

    .cyber-helmet {
      width: 300px;
      height: 300px;
      background:
        radial-gradient(circle at 50% 30%,
        var(--neon-cyan) 0%,
        transparent 60%),
        url('../img/businessman.png');
      clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
      margin: 3rem 0;
      filter: drop-shadow(0 0 30px var(--neon-cyan));
      transition: transform 0.5s;
    }

    .cyber-helmet:hover {
      transform: rotateY(20deg) scale(1.1);
    }

    .hud-text {
      font-size: 4em;
      text-shadow: 0 0 20px var(--neon-cyan);
      position: relative;
      background: linear-gradient(45deg, var(--neon-cyan), var(--cyber-magenta));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      margin: 2rem 0;
    }

    .neon-pulse {
      animation: pulse 2s ease-in-out infinite;
    }

    @keyframes pulse {
      0%, 100% { opacity: 1; }
      50% { opacity: 0.3; }
    }

    .cyber-card {
      background: rgba(0, 17, 51, 0.8);
      border: 2px solid var(--neon-cyan);
      padding: 2rem;
      margin: 2rem;
      width: 80%;
      position: relative;
      transform-style: preserve-3d;
      transition: all 0.5s;
    }

    .cyber-card::before {
      content: '';
      position: absolute;
      inset: -10px;
      background: linear-gradient(45deg, var(--neon-cyan), var(--cyber-magenta));
      z-index: -1;
      filter: blur(20px);
      opacity: 0.3;
      transition: opacity 0.5s;
    }

    .cyber-card:hover {
      transform: translateZ(50px);
    }

    .cyber-card:hover::before {
      opacity: 0.6;
    }

    .hud-progress {
      height: 8px;
      background: rgba(0, 255, 255, 0.2);
      margin: 1rem 0;
      position: relative;
    }

    .hud-progress::after {
      content: '';
      position: absolute;
      left: 0;
      top: 0;
      height: 100%;
      background: linear-gradient(90deg, var(--neon-cyan), var(--cyber-magenta));
      width: var(--progress);
      animation: loadProgress 2s ease-out;
    }

    @keyframes loadProgress {
      from { width: 0; }
    }

    .cyber-menu {
      position: fixed;
      right: 2rem;
      top: 50%;
      transform: translateY(-50%);
      display: flex;
      flex-direction: column;
      gap: 1rem;
    }

    .menu-item {
      width: 50px;
      height: 50px;
      background: rgba(0, 255, 255, 0.1);
      border: 2px solid var(--neon-cyan);
      clip-path: polygon(20% 0%, 80% 0%, 100% 50%, 80% 100%, 20% 100%, 0% 50%);
      transition: all 0.3s;
      cursor: pointer;
    }

    .menu-item:hover {
      background: var(--neon-cyan);
      transform: scale(1.2);
    }

    @media (max-width: 768px) {
      .hud-text { font-size: 2.5em; }
      .cyber-card { width: 95%; }
    }
  