/* Default Light Mode */
:root {
    --primary-color: #00BA65;
    --secondary-color: #3b68a3;
    --accent-color: #e74c3c;
    --text-color: #000000;
    --background-color: #ffffff;
}

/* Dark Mode */
[data-theme="dark"] {
    --primary-color: #ffffff;
    --secondary-color: #34495e;
    --accent-color: #e74c3c;
    --text-color: #ffffff;
    --background-color: #2c3e50;
}


/* General Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

header {

}

main {
    background-color: var(--background-color);
    color: var(--text-color);
    margin-left: 20vw;
    margin-right: 15vw;
    margin-top: 10vw;
    margin-bottom: 10vw;
}

footer {

}

/* Menu Button */
.menu-button {
    position: fixed;
    left: 0;
    top: 0;
    width: 10vw;
    height: 100vh;
    background-color: var(--primary-color);
    color: var(--background-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    cursor: pointer;
    transition: left 0.3s ease;
    z-index: 100;
}

.menu-button:hover {
    background-color: var(--accent-color);
}

/* Submenu */
.submenu {
    position: fixed;
    left: -90vw;
    top: 0;
    width: 90vw;
    height: 100vh;
    display: flex;
    transition: left 0.3s ease;
    z-index: 100;
}

.submenu a {
    flex: 1;
    text-align: center;
    padding: 10px;
    color: var(--background-color);
    text-decoration: none;
    font-size: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--secondary-color);
    border-right: 1px solid var(--background-color);
    writing-mode:sideways-lr ;
    text-orientation: mixed;
}

.submenu a:hover {
    background-color: var(--accent-color);
}

/* Menu Open States */
.open-menu {
    left: 0;
}

.menu-opened {
    left: 90vw;
}

#logo_container {
    position: relative; /* Required for absolute positioning inside */
    height: 30vw;
    margin-top: 5vw;
    margin-bottom: 10vw;
    z-index: 10;
}

#logo {
    height: 30vw;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    margin-bottom: 4rem;
}

#logo_small {
    height: 15vw;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    margin-bottom: 1rem;
}

h1 {
    text-align: center;   
    margin-bottom: 2rem; 
}

h2 {
    text-align: center;   
    margin-bottom: 1.5rem; 
}

h3 {
    text-align: center;   
    margin-bottom: 1.5rem; 
}

p {
    text-align: center;   
    margin-bottom: 2rem; 
}

ol {
    text-align: center;   
    margin-bottom: 2rem; 
}

ul {
    text-align: center;   
    margin-bottom: 2rem; 
}

li {
    margin-bottom: 1rem; 
}

#button_container {
    display: flex;
    justify-content: center; /* Horizontal center */
    align-items: center;     /* Vertical center */
    height: 5vh;           /* Full viewport height */
}
#button_1 {
    padding: 10px 20px;
    background-color: var(--primary-color);
    color: var(--background-color);
    text-decoration: none;
    border-radius: 5px;
    width: 50%;
    text-align: center; 
}

#button_2 {
    padding: 10px 20px;
    background-color: var(--background-color);
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    text-decoration: none;
    border-radius: 5px;
    width: 50%;
    text-align: center; 
}
  
#button_1:hover {
    background-color: var(--accent-color); 
}

#button_2:hover {
    background-color: var(--accent-color); 
    color: var(--background-color);
    border: var(--background-color);
}


/* Dropdown elements styles */
/* Dropdown Container */
.dropdown-container {
    width: 100%;
    margin: 20px auto;
    background-color: var(--primary-color); /* Blue background */
    color: var(--background-color);              /* White text */
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    font-family: sans-serif;
    overflow: hidden;
  }
  
  /* Dropdown Header */
  .dropdown-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    cursor: pointer;
    font-size: 1.2rem;
    font-weight: bold;
    user-select: none;
  }

  .dropdown-header:hover {
    background-color: var(--accent-color); 
  }
  
  /* Dropdown Content */
  .dropdown-content {
    display: none;
    flex-direction: column;
    padding: 10px 20px;
    background-color: var(--secondary-color); /* Slightly darker blue for contrast */
  }
  
  .dropdown-content p {
    margin: 8px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    padding-bottom: 5px;
  }
  
  /* Optional: animation for smooth transition */
  .dropdown-content.show {
    display: flex;
    animation: fadeIn 0.3s ease-in-out;
  }
  
  @keyframes fadeIn {
    from { opacity: 0; transform: translateY(-5px); }
    to { opacity: 1; transform: translateY(0); }
}


/* Social media icons styles */
.social-icons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin: 40px 0;
}
  
.social-icon {
    color: var(--primary-color);
    font-size: 30px;
    text-decoration: none;
    transition: color 0.3s ease, transform 0.3s ease;
}
  
.social-icon:hover {
    color: var(--accent-color);
    transform: scale(1.2);
}
  
/* Members blocks */
.member-block {
    background-color: var(--primary-color);
    color: var(--background-color);
    width: 50vw;
    margin: 40px auto; /* Centers the block horizontally */
    padding: 20px;
    border-radius: 15px;
    text-align: center;
    font-family: 'Arial', sans-serif;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}
.member-title {
    font-size: 1.2rem;
    font-weight: bold;
    margin-bottom: 15px;
}
.member-photo {
    width: 100%;
    max-width: 220px;
    height: auto;
    border-radius: 15px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
    margin-bottom: 15px;
    transition: transform 0.3s ease, opacity 0.3s ease;
}
.member-photo:hover img {
    transform: scale(1.2);
    opacity: 0.8;
}
.member-info p {
    margin: 6px 0;
    font-size: 0.95rem;
}
.member-info a {
    color: var(--background-color);
    text-decoration: underline;
}
.member-links {
    margin-top: 15px;
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}
.member-links a img {
    width: 28px;
    height: 28px;
    transition: transform 0.3s ease, opacity 0.3s ease;
}
.member-links a:hover img {
    transform: scale(1.2);
    opacity: 0.8;
}


/* Key blocks */
.key-block {
    background-color: var(--primary-color);
    color: var(--background-color);
    width: 50vw;
    margin: 40px auto; /* Centers the block horizontally */
    padding: 20px;
    border-radius: 15px;
    text-align: center;
    font-family: 'Arial', sans-serif;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}
.key-title {
    font-size: 1.2rem;
    font-weight: bold;
    margin-bottom: 15px;
}
.key-info p {
    margin: 6px 0;
    font-size: 0.95rem;
}
.key-info a {
    color: var(--background-color);
    text-decoration: underline;
}

/* Contact blocks */
.contact-block {
  background-color: var(--primary-color);
  color: var(--background-color);
  width: 60vw;
  padding: 20px;
  border-radius: 20px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  text-align: center;
}
.contact-info p {
  margin: 10px 0;
  font-size: 1rem;
}
.contact-info a {
  color: var(--background-color);
  text-decoration: underline;
}
.contact-image {
  margin: 20px 0;
}
.contact-image img {
  width: 100%;
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}
.contact-map {
  margin-top: 20px;
  width: 100%;
  height: 250px;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}
.contact-map iframe {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}

/* Publications elements */
#publication_container {
    position: relative; /* Required for absolute positioning inside */
    height: 50vw;
    margin-top: 1vw;
    margin-bottom: 1vw;
    z-index: 10;
}
#publication_item {
    height: 40vw;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    margin-bottom: 1rem;
}

/* News elements */
#news_image_container {
    position: relative; /* Required for absolute positioning inside */
    height: 30vw;
    margin-top: 1vw;
    margin-bottom: 1vw;
    z-index: 10;
}
#news_image {
    height: 30vw;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    margin-bottom: 1rem;
}



/* Responsive Design */
@media (min-width: 480px) {
    .submenu a {
        padding: 15px;
        font-size: 20px;
    }
}

@media (min-width: 990px) {
    main {
        background-color: var(--background-color);
        color: var(--text-color);
        margin-left: 30vw;
        margin-right: 20vw;
        margin-top: 5vw;
        margin-bottom: 5vw;
    }
    .submenu a {
        padding: 20px;
        font-size: 24px;
    }
    #logo_container {
        position: relative; /* Required for absolute positioning inside */
        height: 20vw;
        margin-top: 5vw;
        margin-bottom: 2vw;
        z-index: 10;
    }
    
    #logo {
        height: 20vw;
        position: absolute;
        top: 30%;
        left: 50%;
        transform: translate(-50%, -50%);
        margin-bottom: 4rem;
    }

    #publication_container {
        height: 36vw;
        margin-top: 0.1vw;
        margin-bottom: 0.1vw;
      }
    #publication_item {
        height: 34vw;
        margin-bottom: 1rem;
    }

    .key-block {
        width: 500px;
    }
    .contact-block {
        width: 40vw;
    }
    .member-block {
        width: 30vw;
    }
    #news_image_container {
        height: 20vw;
    }
    #news_image {
        height: 20vw;
    }
}

@media (min-width: 1200px) {
    .submenu a {
        writing-mode:horizontal-tb ;
        text-orientation: mixed;
        font-size: 24px;
    }
    #logo_container {
        position: relative; /* Required for absolute positioning inside */
        height: 15vw;
        margin-top: 0.5vw;
        margin-bottom: 0.5vw;
        z-index: 10;
      }
    
    #logo {
        height: 15vw;
        position: absolute;
        top: 20%;
        left: 50%;
        transform: translate(-50%, -50%);
        margin-bottom: 4rem;
    }
    #logo_small {
        height: 10vw;
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        margin-bottom: 1rem;
    }

    #publication_container {
        height: 25vw;
        margin-top: 0vw;
        margin-bottom: 0vw;
      }
    #publication_item {
        height: 20vw;
        margin-bottom: 1rem;
    }
}