:root {
      --primary-color: #4e73df;
      --secondary-color: #f8f9fc;
      --accent-color: #2e59d9;
      --text-color: #5a5c69;
      --success-color: #1cc88a;
    }
    
    body {
      background-color: var(--secondary-color);
      font-family: 'Nunito', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
      color: var(--text-color);
      line-height: 1.6;
    }

    .summary-box {
      background: #fff;
      border-radius: 15px;
      padding: 2.5rem;
      margin: 50px auto;
      box-shadow: 0 0.15rem 1.75rem 0 rgba(58, 59, 69, 0.15);
      border-left: 5px solid var(--primary-color);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      max-width: 720px;
    }

    .summary-box:hover {
      transform: translateY(-5px);
      box-shadow: 0 0.5rem 2rem 0 rgba(58, 59, 69, 0.2);
    }

      .registration-form {
      background: #fff;
      border-radius: 15px;
      padding: 2.5rem;
      margin: 50px auto;
      box-shadow: 0 0.15rem 1.75rem 0 rgba(58, 59, 69, 0.15);
      border-left: 5px solid var(--primary-color);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      max-width: 720px;
    }

    .registration-form:hover {
      transform: translateY(-5px);
      box-shadow: 0 0.5rem 2rem 0 rgba(58, 59, 69, 0.2);
    }


    h1 {
      font-size: 2rem;
      text-align: center;
      margin-bottom: 2rem;
      color: var(--primary-color);
      font-weight: 700;
      position: relative;
      padding-bottom: 1rem;
    }

    h1:after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 50%;
      transform: translateX(-50%);
      width: 80px;
      height: 3px;
      background: linear-gradient(90deg, var(--primary-color), var(--success-color));
    }

    .form-label {
      font-weight: 600;
      color: var(--primary-color);
      margin-bottom: 0.5rem;
      display: flex;
      align-items: center;
    }

    .form-label i {
      margin-right: 10px;
      color: var(--accent-color);
    }

    .form-control {
      border-radius: 8px;
      padding: 0.75rem 1rem;
      border: 1px solid #d1d3e2;
      transition: all 0.3s ease;
    }

    .form-control:focus {
      border-color: var(--primary-color);
      box-shadow: 0 0 0 0.25rem rgba(78, 115, 223, 0.25);
    }

    .border {
      border-radius: 8px;
      border: 1px solid #d1d3e2 !important;
      transition: all 0.3s ease;
    }

    .border:hover {
      border-color: var(--primary-color) !important;
    }

    .form-check-input {
      width: 1.2em;
      height: 1.2em;
      margin-top: 0.2em;
    }

    .form-check-input:checked {
      background-color: var(--primary-color);
      border-color: var(--primary-color);
    }

    .form-check-label {
      margin-left: 0.5rem;
      color: var(--text-color);
    }

    .item {
      font-size: 1.1rem;
      margin-bottom: 1.2rem;
      padding: 0.8rem 1rem;
      border-radius: 8px;
      background-color: #f8fafc;
      display: flex;
      align-items: center;
      transition: all 0.3s ease;
    }

    .item:hover {
      background-color: #edf2f7;
      transform: translateX(5px);
    }

    .label {
      font-weight: 600;
      color: var(--primary-color);
      min-width: 150px;
      display: flex;
      align-items: center;
    }

    .label i {
      margin-right: 10px;
      color: var(--accent-color);
    }

    .value {
      color: var(--text-color);
      font-weight: 500;
    }

    .success-icon {
      display: flex;
      justify-content: center;
      margin-bottom: 2rem;
    }

    .success-icon i {
      font-size: 4rem;
      color: var(--success-color);
      background: #e6f7f0;
      width: 100px;
      height: 100px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      animation: pulse 2s infinite;
    }

    @keyframes pulse {
      0% { transform: scale(1); }
      50% { transform: scale(1.05); }
      100% { transform: scale(1); }
    }

    .btn {
      background-color: var(--primary-color);
      color: white;
      padding: 0.5rem 1.5rem;
      border-radius: 50px;
      font-weight: 600;
      margin-top: 1.5rem;
      transition: all 0.3s ease;
      display: block;
      width: fit-content;
      margin-left: auto;
      margin-right: auto;
      border: none;
    }

    .btn:hover {
      background-color: var(--accent-color);
      transform: translateY(-2px);
      box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    }

    .navbar {
      box-shadow: 0 0.15rem 1.75rem 0 rgba(58, 59, 69, 0.15);
    }

    .navbar-brand {
      font-weight: 800;
      letter-spacing: 0.5px;
    }

    .nav-link {
      font-weight: 600;
      position: relative;
    }

    .nav-link:after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 0;
      height: 2px;
      background-color: white;
      transition: width 0.3s ease;
    }

    .nav-link:hover:after {
      width: 100%;
    }

    footer {
      background-color: var(--dark-bg);
      color: white;
      text-align: center;
      padding: 2rem 0;
      margin-top: 3rem;
      
    }