:root {
      --primary: #4ea8de;
      --secondary: #7400b8;
      --light: #f0f0f0;
      --dark: #1f1f1f;
    }

    * {
      box-sizing: border-box;
    }

    body {
      margin: 0;
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      background-color: #ffffff;
      color: var(--dark);
    }

    header {
      background: var(--dark);
      color: white;
      padding: 0.5rem 2rem;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
    }

    header h1 {
      margin: 0;
      font-size: 1.5rem;
    }

    nav ul {
      list-style: none;
      margin: 0;
      padding: 0;
      display: flex;
      flex-wrap: wrap;
      gap: 1rem;
    }

    nav li {
      display: inline;
    }

    nav a {
      color: white;
      text-decoration: none;
      font-weight: bold;
    }

    nav a:hover {
      text-decoration: underline;
    }

    .hero {
      text-align: center;
      padding: 6rem 2rem;
      background: linear-gradient(-45deg, #4ea8de, #7400b8, #5e60ce, #48bfe3);
      background-size: 400% 400%;
      animation: gradientBG 15s ease infinite;
      color: white;
    }

    @keyframes gradientBG {
      0% { background-position: 0% 50%; }
      50% { background-position: 100% 50%; }
      100% { background-position: 0% 50%; }
    }

    .hero-content {
      max-width: 800px;
      margin: 0 auto;
    }

    .hero h1 {
      font-size: 3rem;
      margin-bottom: 1rem;
    }

    .hero p {
      font-size: 1.2rem;
      margin-bottom: 2rem;
    }

    .btn-primary {
      padding: 1rem 2rem;
      background: white;
      color: var(--secondary);
      border: none;
      border-radius: 50px;
      font-weight: bold;
      cursor: pointer;
      text-decoration: none;
      display: inline-block;
      transition: all 0.3s ease;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    }

    .btn-primary:hover {
      transform: scale(1.05);
      background: #f0f0f0;
    }

    .features {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 2rem;
      padding: 4rem 2rem;
      background: #fafafa;
    }

    .feature {
      background: white;
      padding: 2rem;
      border-radius: 1rem;
      box-shadow: 0 6px 16px rgba(0, 0, 0, 0.1);
      flex: 1 1 300px;
      max-width: 350px;
      transition: transform 0.3s ease;
      text-align: center;
    }

    .feature:hover {
      transform: translateY(-5px);
    }

    .feature i {
      font-size: 2.5rem;
      margin-bottom: 1rem;
      color: var(--primary);
    }

    .feature h3 {
      margin-top: 0.5rem;
      font-size: 1.5rem;
    }

    .cta-section {
      text-align: center;
      padding: 5rem 2rem;
      background: var(--primary);
      color: white;
    }

    footer {
      background: var(--dark);
      color: white;
      text-align: center;
      padding: 1.5rem;
    }

    .animate {
      opacity: 0;
      transform: translateY(30px);
      transition: all 0.6s ease-out;
    }

    .animate.show {
      opacity: 1;
      transform: translateY(0);
    }

    @media (max-width: 600px) {
      header {
        flex-direction: column;
        align-items: flex-start;
      }

      nav ul {
        flex-direction: column;
        gap: 0.5rem;
        margin-top: 1rem;
      }

      .hero h1 {
        font-size: 2.2rem;
      }

      .feature {
        max-width: 90%;
      }

      
    }

    .dropdown {
  position: relative;
  display: inline-block;
}

.dropbtn {
  font-weight: bold;
  cursor: pointer;
  padding: 8px 12px;
  color: #333;
  transition: all 0.3s ease;
}

.dropdown:hover .dropbtn {
  color: #4ea8de;
}

.dropdown-content {
  display: none;
  position: absolute;
  top: 120%;
  background-color: white;
  min-width: 220px;
  box-shadow: 0 6px 12px rgba(0,0,0,0.1);
  border-radius: 8px;
  z-index: 1;
  animation: fadeIn 0.3s ease-in-out;
}

.dropdown-content a {
  padding: 12px 16px;
  display: block;
  color: #333;
  text-decoration: none;
  transition: background 0.2s;
}

.dropdown-content a:hover {
  background-color: #f0f0f0;
}

.dropdown:hover .dropdown-content {
  display: block;
}

.btn-register {
  padding: 8px 16px;
  background-color: #4ea8de;
  color: white;
  border-radius: 20px;
  text-decoration: none;
  font-weight: bold;
  transition: background-color 0.3s ease;
}

.btn-register:hover {
  background-color: #3a94c4;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(5px); }
  to { opacity: 1; transform: translateY(0); }
}