* {
      box-sizing: border-box;
      scroll-behavior: smooth;
    }
    body {
      margin: 0;
      font-family: 'Poppins', sans-serif;
      background: radial-gradient(circle at 75% 30%, #77350f, #000000);
      color: white;
    }
    .background {
      position: fixed;
      width: 100%;
      height: 100%;
      background: url('https://www.transparenttextures.com/patterns/cubes.png'), radial-gradient(circle at 50% 50%, #ab784145, #000);
      animation: pulse 6s infinite alternate;
      z-index: -1;
    }
    @keyframes pulse {
      from { filter: hue-rotate(0deg) blur(0px); }
      to { filter: hue-rotate(360deg) blur(4px); }
    }
    header {
      padding: 80px 20px;
      text-align: center;
      animation: fadeInDown 1.5s ease-out;
    }
    header h1 {
      font-size: 3.5em;
      letter-spacing: 3px;
      font-weight: 700;
    }
    header p {
      font-size: 1.2em;
      margin-top: 10px;
      opacity: 0.8;
    }
    @keyframes fadeInDown {
      from { opacity: 0; transform: translateY(-50px); }
      to { opacity: 1; transform: translateY(0); }
    }
    .content {
      display: flex;
      flex-direction: column;
      align-items: center;
      padding: 50px 20px;
    }
    .card {
      background: rgba(255, 255, 255, 0.05);
      border-radius: 15px;
      padding: 30px;
      margin: 15px;
      width: 90%;
      max-width: 600px;
      backdrop-filter: blur(15px);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      animation: fadeInUp 1.5s ease;
    }
    .card:hover {
      transform: scale(1.03);
      box-shadow: 0 15px 30px rgba(0,0,0,0.4);
    }
    @keyframes fadeInUp {
      from { opacity: 0; transform: translateY(50px); }
      to { opacity: 1; transform: translateY(0); }
    }
    input, textarea, button {
      width: 100%;
      padding: 12px;
      margin-top: 10px;
      border: none;
      border-radius: 8px;
      font-size: 1em;
    }
    input, textarea {
      background: rgba(255,255,255,0.15);
      color: white;
    }
    button {
      background: #AB7841;
      color: white;
      cursor: pointer;
      font-weight: 600;
      transition: background 0.3s ease;
      margin-top: 20px;
    }
    button:hover {
      background: #77350f;
    }