.container-essf-research {
      width: 100%;
      height: 15vh;
      background-color: whitesmoke;
      color: black;
      padding: 2vw 5vw;
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 1vh;
  }

  .container-essf-research img {
      height: 15vh;
  }

  .container-essf-research ul li {
      font-family: "Source Sans Pro", Arial, "Helvetica Neue", Helvetica, "sans-serif";
      font-style: normal;
      font-weight: 700;
      font-size: 1.5em;
      list-style-type: none;
      display: inline-block;
      margin: 0 2vw 0 0vw;
      padding-right: 2vw;
      border-right: 1px solid gray;
      color: black;
  }

  .container-essf-research ul li:last-child {
      border-right: none;
      /* Remove border from the last list item */
  }

  .container-essf-research ul li a {
      text-decoration: none;
      color: black;
  }

  .container-essf-research ul li a:hover {
      border-bottom: 5px solid red;
  }

  .essf-logo-moto {
      display: flex;
  }

  .essf-logo-moto p {
      margin-top: 9vh;
      margin-left: 0.5vw;
  }

  /* Mobile phones - max 600px */
  @media (max-width: 600px) {
      .container-essf-research {
          flex-direction: row;
          justify-content: space-between;
          align-items: flex-start;
          height: auto;
          padding: 2vh 4vw;
      }

      .container-essf-research ul li {
          border-right: none;
      }

      .essf-logo-moto {
          display: none;
          /* Hide ESSF logo and motto */
      }

      .rali-logo {
          height: 8vh;
          align-self: flex-start;
      }

      .nav-links {
          display: flex;
          flex-direction: column;
          gap: 1vh;
          width: 65%;
          padding-top: 0.5vh;
      }

      .nav-links li {
          display: block;
          width: 100%;
          text-align: left;
          border: none;
          margin: 0;
      }

      .nav-links li a {
          display: block;
          padding: 1vh;
          font-size: 1.1em;
          text-decoration: none;
          color: black;
          border-bottom: 1px solid lightgray;
      }

      .nav-links li:last-child a {
          border-bottom: none;
      }

      .nav-links li a:hover {
          background-color: #f3f3f3;
          border-bottom: 2px solid red;
      }
  }

  /* Tablets and big phones - 601px to 1024px */
  @media (min-width: 601px) and (max-width: 1024px) {
      .container-essf-research {
          flex-direction: row;
          align-items: center;
          justify-content: space-between;
          padding: 2vh 4vw;
          height: auto;
          flex-wrap: wrap;
      }

      .container-essf-research ul li {
          border-right: none;
      }

      .essf-logo-moto {
          flex-direction: column;
          align-items: center;
          width: 25%;
      }

      .essf-logo-moto p {
          display: none;
          /* Remove motto for space */
      }

      .rali-logo {
          height: 10vh;
          width: auto;
      }

      .nav-links {
          display: flex;
          flex-direction: column;
          justify-content: center;
          width: 40%;
          padding: 0;
          margin: 0 auto;
      }

      .nav-links li {
          display: block;
          margin: 1vh 0;
          text-align: center;
      }

      .nav-links li a {
          font-size: 1.2em;
          text-decoration: none;
          color: black;
          border-bottom: 1px solid lightgray;
          padding-bottom: 0.5vh;
      }

      .nav-links li:last-child a {
          border-bottom: none;
      }

      .nav-links li a:hover {
          border-bottom: 2px solid red;
      }
  }

  /**********************************/

   body {
       font-family: 'Arial', sans-serif;
   }

   .pagetitle {
       font-family: 'Trebuchet MS', sans-serif;
       font-weight: 800;
       font-size: 2.5rem;
       /* Bigger font size */
       color: white;
       padding-left: 0vw;
       margin-top: 10px;
       text-align: left;
   }

   .hero-section {
       background: linear-gradient(to right, #1d3557, #457b9d);
       color: white;
       padding: 10px 5px;
       text-align: center;
       margin-top: 1vh;
       margin-bottom: 0;
   }

   .hero-section h1 {
       font-size: 2.5rem;
   }

   .hero-section p {
       font-size: 1.2rem;
   }

   .section-title {
       text-align: center;
       margin: 40px 0;
       color: #1d3557;
   }

   .about-conferences {
       padding: 40px 20px;
       background-color: #f1faee;
   }

   .research-fields {
       padding: 40px 20px;
       background-color: #a8dadc;
       color: #1d3557;
   }

   .cta-banner {
       background: linear-gradient(to right, #457b9d, #1d3557);
       color: white;
       padding: 40px 20px;
       text-align: center;
       margin-top: 30px;
   }

   .cta-banner h2 {
       margin-bottom: 20px;
   }

   .btn-primary {
       background-color: #e63946;
       border: none;
   }

   .btn-primary:hover {
       background-color: #d62828;
   }

   .card img {
       height: 200px;
       object-fit: cover;
   }