  @font-face {
    font-family: "RobotoMono";
    src: url("../fonts/RobotoMono_Variable.ttf") format("truetype-variations");
  }
  
  @font-face {
    font-family: "OpenSans";
    src: url("../fonts/OpenSans_Variable.ttf") format("truetype-variations");
  }
   * {
    margin: 0;
    padding: 0;
    border: 0;
    box-sizing: border-box;
  }
 
  :root {
    --color1: #1E3A5F;
    --color2: #A7C7E7;
    --color3: #a6c3c9;
    --color4: #cae9f7;
    --color5: #ebebeb;
 
  
    --color6: #93ffc4;
    --color7: #ffbaba;
    --color8: #FFFACD;
    --color9: #2f5f9c;
  
    --white: white;
    --black: #565656;
  
    --warning1: #af1919;
    --warning2: #ec4747;

    --inactive: #ffe6e6;
    --inactiveBorder: #ffb7b7;
  }

  html{
    height: 100%;
  }
  body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
      margin: 0;
      padding: 0;
      background-color: #f4f4f4;
      color: #333;
      display: flex;
      flex-direction: column;
      min-height: 100%;      
  }
  
  header {
      background: #0056b3;
      color: #fff;
      padding: 20px 0;
      text-align: center;
  }
  
  .container {
      width: 80%;
      margin: 0 auto;
      padding: 20px;
      flex-grow: 1;
  }
  
  .hero {
      background: #e9ecef;
      padding: 50px 20px;
      text-align: center;
  }
  
  .hero h1 {
      margin: 0;
      font-size: 2.5em;
  }
  
  .hero p {
      font-size: 1.2em;
      margin: 20px 0;
  }
  
  .cta {
      display: inline-block;
      padding: 10px 20px;
      background: #007bff;
      color: #fff;
      text-decoration: none;
      border-radius: 5px;
  }
  
  .features {
      display: flex;
      flex-wrap: wrap;
      justify-content: space-around;
      margin: 50px 0;
  }
  
  .feature {
      background: #fff;
      padding: 20px;
      border-radius: 5px;
      box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
      width: 30%;
      margin-bottom: 20px;
      text-align: center;
  }
  
  .feature img.icon {
      width: 40px;
      height: 40px;
      margin-bottom: 10px;
  }
  
  .free-notice {
      background: #e9eaff;
      color: #333;
      text-align: center;
      border-radius: 5px;
      margin: 20px 0;
      display: flex;
      align-items: stretch;
  }

  .with_padding {
    padding: 1rem;
  }

  .text {
    padding: 1rem;
  }

  .image1{
    background-image: url(../pictures/copter2.jpg);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  width: 50%;
  min-width: 50%;
  }
  
  .image2{
    background-image: url(../pictures/copter1.jpg);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  width: 50%;
  min-width: 50%;
  }

  .free-notice p{
    padding: 10px 0;
}

  footer {
      background: #0056b3;
      color: #fff;
      text-align: center;
      padding: 20px 0;
      margin-top: 50px;
  }
  
  footer a {
      color: #fff;
      text-decoration: none;
      margin: 0 10px;
  }
 
  .container {
    width: 90%;
    max-width: 1200px;
    margin: auto;
    overflow: hidden;
    padding: 20px;
}

  .content {
    background: #fff;
    padding: 20px;
    margin-top: 20px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

.content p{
    padding: 20px 0;
}



  @media (max-width: 768px) {
      .features {
          flex-direction: column;
          align-items: center;
      }
      .feature {
          width: 80%;
      }
      .image1, .image2{
        display: none;
      }
  }
  