body {
      margin: 0;
      font-family: Arial, sans-serif;
      background: #0d1b2a;
      display: flex;
      flex-direction: column;
      min-height: 100vh;
}

 /* ===== NAVBAR ===== */
nav {
      background: #0f172a;
      padding: 15px 20px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      color: #fff;
      box-shadow: 0 2px 5px rgba(0,0,0,0.1);
      position: relative;
}

.logo {
      font-size: 20px;
      font-weight: bold;
      color: #1e3a8a;
}

/* Centered nav links */
.nav-links {
      flex: 1;
      display: flex;
      justify-content: center;
}

.nav-links ul {
      list-style: none;
      display: flex;
      gap: 25px;
      margin: 0;
      padding: 0;
}

.nav-links ul li {
      display: inline;
}

.nav-links ul li a {
      color: #fff;
      text-decoration: none;
      font-weight: bold;
      transition: color 0.3s ease;
}

.nav-links ul li a:hover {
      color: #ffdd00;
}

/* Hamburger */
.menu-toggle {
      display: none;
      flex-direction: column;
      cursor: pointer;
}

.menu-toggle span {
      height: 3px;
      width: 25px;
      background: #fff;
      margin: 4px 0;
      border-radius: 5px;
      transition: 0.3s;
}

 /* ===== MAIN CONTENT ===== */
.content {
      flex: 1;
      display: flex;
      justify-content: center;
      align-items: center;
      padding: 40px 20px;
}

    .form-container {
      background: #f2f2f2;
      padding: 30px;
      border-radius: 15px;
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
      width: 350px;
    }

    .form-container h2 {
      margin-bottom: 20px;
      text-align: center;
    }

    label {
      font-weight: bold;
      display: block;
      margin-bottom: 5px;
    }

    input, textarea {
      width: 100%;
      padding: 12px;
      margin-bottom: 15px;
      border: 1px solid #ccc;
      border-radius: 8px;
      font-size: 14px;
    }

    input:focus, textarea:focus {
      border-color: #007bff;
      outline: none;
      box-shadow: 0 0 4px rgba(0, 123, 255, 0.4);
    }

    textarea {
      resize: none;
      height: 80px;
    }

    button {
      width: 100%;
      padding: 12px;
      border: none;
      border-radius: 8px;
      background: #0056ff;
      color: white;
      font-size: 16px;
      font-weight: bold;
      cursor: pointer;
      transition: background 0.3s ease;
      position: relative;
    }

    button:hover {
      background: #0041cc;
    }

    button:disabled {
      background: #888;
      cursor: not-allowed;
    }

    .spinner {
      border: 3px solid #fff;
      border-top: 3px solid transparent;
      border-radius: 50%;
      width: 16px;
      height: 16px;
      animation: spin 0.8s linear infinite;
      display: inline-block;
      margin-right: 8px;
      vertical-align: middle;
    }

    @keyframes spin {
      0% { transform: rotate(0deg); }
      100% { transform: rotate(360deg); }
    }

    .success-message,
    .error-message {
      display: none;
      margin-top: 10px;
      text-align: center;
      font-weight: bold;
    }

    .success-message {
      color: green;
    }

    .error-message {
      color: red;
    }

    /* ===== FOOTER ===== */
    footer {
      background: #0f172a;
      color: #fff;
      text-align: center;
      padding: 15px;
      box-shadow: 0 2px 5px rgba(0,0,0,0.1);
      margin-top: auto;
    }

    footer a {
      color: #ffdd00;
      text-decoration: none;
      font-weight: bold;
    }

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

    /* ===== RESPONSIVE ===== */
    @media (max-width: 768px) {
      .nav-links {
        position: absolute;
        top: 60px;
        left: 0;
        right: 0;
        background: black;
        display: none;
        flex-direction: column;
        align-items: center;
        padding: 15px 0;
      }

      .nav-links ul {
        flex-direction: column;
        gap: 15px;
      }

      .nav-links.show {
        display: flex;
      }

      .menu-toggle {
        display: flex;
      }
    }