body {
      font-family: 'Poppins', sans-serif;
      margin: 0;
      padding: 0;
      height: 100vh;
      overflow: hidden;
      background: linear-gradient(135deg, #001f3f 0%, #0074D9 40%, #ff851b 100%);
      color: white;
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      text-align: center;
      position: relative;
    }

    #particles-js {
      position: absolute;
      width: 100%;
      height: 100%;
      top: 0;
      left: 0;
      z-index: 0;
    }

    header {
      position: absolute;
      top: 25px;
      width: 100%;
      text-align: center;
      font-size: 2rem;
      font-weight: 700;
      color: #fff;
      text-shadow: 3px 3px 10px rgba(0, 0, 0, 0.6);
      letter-spacing: 2px;
      z-index: 2;
      animation: fadeInDown 1.5s ease-in-out;
    }

    @keyframes fadeInDown {
      from { opacity: 0; transform: translateY(-20px); }
      to { opacity: 1; transform: translateY(0); }
    }

    .logo {
      width: 400px;
      height: auto;
      margin-bottom: 25px;
      animation: float 4s ease-in-out infinite, glow 2s ease-in-out infinite alternate, rotateSlow 10s linear infinite;
      z-index: 2;
    }

    @keyframes float {
      0% { transform: translateY(0); }
      50% { transform: translateY(-12px); }
      100% { transform: translateY(0); }
    }

    @keyframes glow {
      0% { filter: drop-shadow(0 0 10px rgba(255, 133, 27, 0.4)); }
      100% { filter: drop-shadow(0 0 25px rgba(255, 133, 27, 0.8)); }
    }

    @keyframes rotateSlow {
      0% { transform: rotate(0deg); }
      50% { transform: rotate(1deg); }
      100% { transform: rotate(-1deg); }
    }

    h1 {
      font-size: 3rem;
      font-weight: 700;
      margin-bottom: 10px;
      text-shadow: 2px 2px 15px rgba(0,0,0,0.5);
      animation: fadeIn 2s ease-in-out;
      z-index: 2;
    }

    p {
      font-size: 1.4rem;
      margin-bottom: 35px;
      color: #f8f8f8;
      animation: fadeIn 2.5s ease-in-out;
      z-index: 2;
    }

    @keyframes fadeIn {
      from { opacity: 0; transform: translateY(20px); }
      to { opacity: 1; transform: translateY(0); }
    }

    .btn-custom {
      background-color: #ff851b;
      color: #fff;
      font-weight: 600;
      border-radius: 50px;
      padding: 14px 40px;
      font-size: 1.2rem;
      transition: all 0.3s ease;
      animation: fadeInUp 3s ease-in-out;
      text-decoration: none;
      box-shadow: 0 0 15px rgba(255, 133, 27, 0.6);
      z-index: 2;
      position: relative;
    }

    .btn-custom:hover {
      background-color: #fff;
      color: #ff851b;
      transform: scale(1.1);
      box-shadow: 0 0 25px rgba(255, 133, 27, 1);
      animation: pulse 0.4s infinite alternate;
    }

    @keyframes pulse {
      from { transform: scale(1); }
      to { transform: scale(1.08); }
    }

    @keyframes fadeInUp {
      from { opacity: 0; transform: translateY(20px); }
      to { opacity: 1; transform: translateY(0); }
    }

    footer {
      position: absolute;
      bottom: 15px;
      text-align: center;
      font-size: 0.9rem;
      color: #f1f1f1;
      opacity: 0.9;
      z-index: 2;
    }

    @media (max-width: 768px) {
      h1 { font-size: 2rem; }
      .logo { width: 250px; }
      .btn-custom { font-size: 1rem; padding: 10px 30px; }
    }