/* Reset some default styles */
body {
    margin: 0;
    font-family: Arial, sans-serif;
    background-color: #0e4877;
    color: white;
  }
  
  /* Header container */
  .header {
    display: flex; 
    justify-content: space-between; 
    align-items: center;   /*left, right, center or justify*/ 
    padding: 10px 20px; 
  } 
  
  .logo-title {
    display: flex; 
    align-items: center;
    gap: 10px; /* space between the logo and title */
    margin: 0; /* remove default margin */ 
    text-decoration: none; /* remove underline from links */
  }

  /* Logo */    
  .header img { 
    height: 40px;
  }
  
  /* Title */
  .header h1 {
    margin: 0;
    font-size: 1.5em;  
    color: white;
    line-height: 1;
  }

  /* Language Switch */
  .lang-switch {
    position: absolute;
    display: fixed;
    top: 10px;
    right: 20px;
    z-index: 1000;
    align-items: center;
  }
  
  .lang-switch input[type="checkbox"] {
    display: none;
  }
  
  .lang-switch label {
    display: flex;
    align-items: center;
    background-color: #1e1e1e;
    border-radius: 30px;
    padding: 0px 8px;
    cursor: pointer;
    position: relative;
    width: 70px;
    justify-content: space-between;
    color: white;
    font-weight: bold;
    font-size: 0.8em;
    height: 30px;
    box-sizing: border-box;
  }
  
  .lang-switch .ball {
    position: absolute;
    top: 5px;
    left: 5px;
    width: 25px;
    height: 20px;
    background-color: #ffffff;
    border-radius: 50px;
    transition: transform 0.3s ease;
    transform: translateX(0);
    z-index: 1;
  }
  
  .lang-switch .label-gr,
  .lang-switch .label-en {
    width: 50%;
    text-align: center;
    z-index: 2;
  }
  
  #toggle-lang:checked + label .ball {
    transform: translateX(35px);
  }
  
  .label-gr,
  .label-en {
    z-index: 2;
  }

  /* Navigation styling */
  .navbar {
    display: flex; 
    justify-content: space-between; /* space between the links */
    align-items: center; /* center vertically */
    padding: 10px 20px; /* padding around the navbar */
  }

  .nav-links a {
    margin-right: 20px;
    text-decoration: none;
    color: #ffffff;
    font-weight: bold;
  }

  .nav-links {
    list-style: none; 
    display: flex; 
    gap: 20px; /* space between the links */
    padding: 0; 
    margin: 10px 20px;
    justify-content: left; /* center the links */ 
  }
  
  .nav-link {
    text-decoration: none;
    color: white;
    font-weight: bold;
    font-size: 1.1em; /* size of the text */
    transition: color 0.3s ease;
  }
  
  .nav-link:hover {
    color: #000000;
  }
  
  .nav-link.activate {
    color: #ffffff; /* color of the active link */
    font-weight: bold; /* make the active link bold */
    /* border-bottom: 2px solid #000000; underline the active link */
    text-decoration: none; /* remove default underline */
  }

  .nav-link.active-page {
    color: gray; /* color of the active link */
  }

  /* Optional: style the horizontal line */
  hr {
    border: 0;
    height: 1px;
    background: white;
    margin: 0 20px;
  }
  
  main #welcome h2 {
    padding: 20px; /* the space between the content and its border (or edge of the box it's in) */
    text-align: center; 
  }

  main #welcome p {
    padding: 20px; /* the space between the content and its border (or edge of the box it's in) */
    text-align: justify; 
  }

  /* About.html */
  main #NeuroPodcast_info h2 {
    padding: 20px; /* the space between the content and its border (or edge of the box it's in) */
    text-align: justify; 
    margin: 0px; /* remove default margin */
  }

  main #NeuroPodcast_info p {
    padding: 20px; /* the space between the content and its border (or edge of the box it's in) */
    text-align: justify; 
    margin: 0px;
  }

  main #Neuroteam_info h2 {
    padding: 20px; /* the space between the content and its border (or edge of the box it's in) */
    text-align: justify;
    margin: 0px; 
  }

  main #Neuroteam_info p {
    padding: 20px; /* the space between the content and its border (or edge of the box it's in) */
    text-align: justify; 
    margin: 0px; /* remove default margin */
  }
  .content-wrapper {
    display: flex;
    align-items: center; /* center vertically */
    gap: 20px; /* spacing between text and logos */
  }
  
  .text-block {
    flex: 1; /* takes remaining space */
    text-align: justify;
  }
  
  .logo-column {
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px; /* space between logos */
    align-items: center; /* center logos horizontally */
  }
  
  .logo-column img {
    width: 80px; /* or whatever fits your design */
    height: auto;
  }

  .logo-column img.logo4 {
    width: 150px;
    height: auto;
    gap: 0px;
  }

  .logo-column img.logo2 {
    width: 120px;
    height: auto;
    gap: 10px; /* space between logos */
  }
  footer {
    display: flex;
    text-align: center;
    padding: 20px;
  }

  .social-media {
    display: flex;
    gap: 10px; /* space between the icons */
    justify-content: center; /* center the icons */
    align-items: center; /* center the icons vertically */
  }

  .social-media a {
    background-color: white;  /* white background for the icons */
    border-radius: 50%; /* round shape */
    height: 30px; /* size of the icon */
    width: 30px; /* size of the icon */
    display: flex; /* center the icon inside the circle */
    justify-content: center; /* center the icon inside the circle */
    align-items: center; /* center the icon inside the circle */
    transition: : transform 0.2s ease; /* smooth transition for hover effect */
    text-decoration: none; /* remove underline from links */
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3); /* shadow effect */
  }

  .social-media a svg{
    height: 20px; /* size of the icon */
    width: 20px; /* size of the icon */
    fill: black; /* color of the icon */
  }

  .social-media a:hover svg{
    fill: white; /* change icon color on hover */
  }

  .social-media a::before {
    content: attr(data-social); /* text for screen readers */
    position: absolute; /* position the text absolutely */
    background-color: var(--accent-color); /* black background for the text */
    color: white; /* white text color */
    text-decoration: none; /* remove underline from text */
    padding: 0.5em 1em; /* padding around the text */
    border-radius: 100px; /* round shape */
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05); /* shadow effect */
    transform: translateY(-30px) rotate(25deg); /* move the text up */
    opacity: 0; /* hide the text initially */
    transition: 200ms cubic-bezier(.42,0,.44,1.68); /* smooth transition for hover effect */
  }

  .social-media a:hover{
    background-color: var(--accent-color); /* change background color on hover */
  }

  /* Style inputs with type="text", select elements and textareas */
  input[type=text], select, textarea {
    width: 100%; /* Full width */
    padding: 20px; /* Some padding */ 
    border: 1px solid #000000; /* Gray border */
    border-radius: 20px; /* Rounded borders */
    box-sizing: border-box; /* Make sure that padding and width stays in place */
    margin-top: 10px; /* Add a top margin */
    margin-bottom: 16px; /* Bottom margin */
    resize: vertical /* Allow the user to vertically resize the textarea (not horizontally) */
  }

/* Style the submit button with a specific background color etc */
  input[type=submit] {
    background-color: #04aaa2;
    color: white;
    padding: 12px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
  }

/* When moving the mouse over the submit button, add a darker green color */
  input[type=submit]:hover {
    background-color: #45a049;
  }

/* Add a background color and some padding around the form */
  .container {
    border-radius: 50px;
    background-color: #f2f2f2;
    padding: 20px;
    margin: 0 auto; /* Center the form */
    margin-top: 20px; /* Space above the form */
    margin-bottom: 20px; /* Space below the form */
    max-width: 700px; /* Set a max width for the form */
    max-height: fit-content; /* Set a max height for the form */
  }

  .flip-card {
    background-color: transparent;
    width: 250px;
    height: 300px;
    perspective: 1000px;
    cursor: pointer;
    margin: 20px;
  }
  
  .flip-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transition: transform 0.6s;
    transform-style: preserve-3d;
  }
  
  .flip-card:hover .flip-card-inner {
    transform: rotateY(180deg);
  }
  
  .flip-card-front, .flip-card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    border-radius: 15px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
  }
  
  .flip-card-front {
    background-color: #ffffff;
    color: black;
  }
  
  .flip-card-front img {
    width: 80%;
    height: auto;
    border-radius: 10px;
  }
  
  .flip-card-back {
    background-color: #04aaa2;
    color: white;
    transform: rotateY(180deg);
    padding: 20px;
    text-align: center;
  }

  .card-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: center;
  }