:root {
    --gray01: #c4c4c4;
    --black01: #000;
}

@font-face {
  font-family: 'Inter';
  src: url('fonts/Inter-VariableFont_opsz\,wght.ttf') format('woff2'),
       url('fonts/Inter-Italic-VariableFont_opsz\,wght.ttf') format('woff');
  font-weight: normal;
  font-style: normal;
}

/* Full-page loading overlay */
#loading-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--black01); /* Change this to match your design */
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}

/* Loader animation */
.loader {
  width: 50px;
  height: 50px;
  border: 1px solid var(--gray01);
  border-top: 1px solid var(--black01);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  opacity: 1;
  transition: opacity 0.5s ease-out;
}

.hidden {
  opacity: 0;
  pointer-events: none;
}

/* Keyframe animation */
@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}


body {
    background-image: url('backgrounds/background-master.webp');
    background-size: 150%;
    background-repeat: no-repeat;
    /* background-position: top; */
    background-attachment: fixed;
    /* image-rendering: pixelated; */
}

body {
  cursor: url('arrows/cursor01.svg') 0 0, auto;
}

body a {
  cursor: url('arrows/cursor02.svg') 0 0, pointer;
}

body::-webkit-scrollbar {
    display: none; /* Chrome, Safari, and Edge */
  }

#menu-container {
  position: fixed;               /* Fix the container to the left of the screen */
  top: 0;
  left: 0;
  height: 100%;
  display: flex;                 /* Flexbox for the arrow and menu */
  align-items: center;           /* Vertically center the arrow within the container */
  transform: translateX(-400px); /* Initially hidden off-screen */
  transition: transform 0.5s ease; /* Smooth transition when sliding in/out */
  z-index: 10;
}
  
#menu-container.open {
    transform: translateX(0);      /* Slide the container into view */
}

#menu {
    background-color: var(--gray01);
    color: var(--black01);
    height: 100%;
    width: 400px;                  /* Fixed width for the menu */
    overflow-y: auto;
}

/* Apply custom scrollbar styling for WebKit-based browsers */
#menu {
  scrollbar-width: thin; /* Firefox: Makes the scrollbar thin */
  scrollbar-color: var(--black01) transparent; /* Firefox: Black thumb, transparent track */
}

#menu::-webkit-scrollbar {
  width: 4px; /* Width of the scrollbar */
}

#menu::-webkit-scrollbar-track {
  background: transparent; /* Background of the scrollbar track */
}

#menu::-webkit-scrollbar-thumb {
  background-color: var(--black01); /* Color of the scrollbar thumb */
}

/* .dropdown {
    margin-bottom: 20px;
  } */
  
  .dropdown-title {
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: url('arrows/cursor02.svg') 0 0, pointer;;
    padding: 32px 16px 0px 8px;
  }
  
  .dropdown-title span {
    font-family: 'Inter', Arial, Helvetica, sans-serif;
    font-weight: 200;
    font-size: 32px;
  }

  .menu-title {
    text-decoration: none;
    color: var(--black01);
  }
  
  .dropdown-title img {
    width: 28px;
    height: auto;
    transition: transform 0.5s ease;
  }
  
  .dropdown-menu {
    list-style: none;
    padding: 0;
    margin: 10px 0 0 0;
    max-height: 0; /* Initially hidden */
    overflow: hidden; /* Hide content when collapsed */
    transition: max-height 0.3s ease, opacity 0.3s ease;
    opacity: 0; /* Invisible initially */
    /* display: none; Hidden by default */
  }
  
  .dropdown-menu li {
    padding: 4px 16px;
    margin-bottom: 5px;
    border-radius: 4px;
    transition: background-color 0.2s ease;
  }

  .dropdown-menu li:hover {
    text-decoration: underline;
  }
  
  /* Rotate the arrow when active */
  .dropdown.active .dropdown-title img {
    transform: scaleY(-1);
  }
  
  /* Show the dropdown menu when active */
  .dropdown.active .dropdown-menu {
    /* display: block; */
    max-height: 4000px; /* Set to a value large enough to fit all items */
  opacity: 1; /* Fully visible */
  }

#primary {
    margin-left: 25%;                /* Default body content margin */
    transition: margin-left 0.5s ease; /* Smooth transition when shifting */
    overflow: auto; /* Enable scrolling */
}

#primary.shifted-right {
  margin-left: calc(25% + 200px);            /* Shift content to the right by menu's width */
}

#primary.shifted-left {
  margin-left: calc(25% - 200px);            /* Shift content to the left by menu's width */
}

#start-button {
    background-color: transparent;  /* Button's default background color */
    color: var(--gray01);               /* Button's default text color */
    border: 1px solid var(--gray01);  /* Border matching the background */
    padding: 12px 24px;
    font-family: 'Inter', Arial, Helvetica, sans-serif;
    font-size: 18px;
    font-weight: 300;
    cursor: url('arrows/cursor02.svg') 0 0, pointer;;
    transition: background-color 0.3s, color 0.3s;  /* Smooth transition */
    z-index: 1;
  }

#end-button {
  background-color: var(--gray01);
  color: var(--black01);
  border: 1px solid var(--gray01);
  padding: 12px 24px;
  font-family: 'Inter', Arial, Helvetica, sans-serif;
  font-size: 18px;
  font-weight: 300;
  z-index: 1;
  visibility: hidden;
}
  
#start-button:hover {
    background-color: var(--gray01);    /* Button's background color on hover */
    color: var(--black01);             /* Button's text color on hover */
}

#timeline {
    /* position: absolute; */
    width: 1px;
    height: 0; /* Initially hidden */
    background-color: var(--gray01);
    top: 0;
    left: 50%; /* Center it under the button */
    transform: translateX(-50%); /* Adjust for centering */
    transition: height 3s ease; /* Smooth transition for appearance */
    z-index: 0; /* Place below button */
    margin: 0 0 0 42px; /* Adjust for centering */
  }

.timeline-branch {
  width: 180px;
  height: 1px;
  background-color: var(--gray01);
  z-index: 0;
}

.side_text {
    font-family: 'Inter', Arial, Helvetica, sans-serif;
    line-height: 1.6;
    color: var(--black01); 
    margin: 0;
    padding: 0;
}

#side-arrow-right {
    top: 50%;                    /* Vertically center */
    transform: translateY(-50%);  /* Correct vertical centering */
    cursor: url('arrows/cursor02.svg') 0 0, pointer;;            /* Makes the arrow clickable */
    z-index: 10;                   /* Ensure it appears above the menu */
    background-image: url('arrows/arrow01-right.svg'); /* Default image */
    background-size: cover;
    background-position: center;
    transition: left 0.5s ease;
}

#side-arrow-right:hover {
    background-image: url('arrows/arrow02-right.svg'); /* Hover image */
  }

/* Optional: Make the images responsive to fit the design */
.side-arrow-right img {
    width: 50px;                  /* Adjust image width */
    height: auto;                 /* Maintain aspect ratio */
}

#side-arrow-left {
  position: fixed;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  visibility: hidden;
  cursor: url('arrows/cursor02.svg') 0 0, pointer;;
  z-index: 101;
  transition: background-image 0.5s, right 0.5s ease;
  background-size: cover;
  background-position: center;
}

#side-arrow-left:hover {
  background-image: url('arrows/arrow02-left.svg'); /* Hover image */
}

.side-arrow-left img {
  width: 50px;                  /* Adjust image width */
  height: auto;                 /* Maintain aspect ratio */
}

#side-arrow-left.open {
  right: 400px;
}

h1 {
    font-family: 'Inter', Arial, Helvetica, sans-serif;
    font-size: 54px;
    font-weight: 100;
    letter-spacing: 2px;
    color: var(--gray01);
    margin: 0 0 0 -4px;
    padding: 0;
}

h2 {
    font-family: 'Inter', Arial, Helvetica, sans-serif;
    font-size: 32px;
    font-weight: 200;
    color: var(--gray01);
    padding: 0;
}

h3 {
    font-family: 'Inter', Arial, Helvetica, sans-serif;
    font-size: 18px;
    color: var(--gray01);
    margin: 0;
    padding: 0;
}

.side-text {
    font-family: 'Inter', Arial, Helvetica, sans-serif;
    font-weight: 500;
    font-size: 12px;
    color: var(--black01);
}

#language-nav {
    display: flex;
}

.language-button {
    background-color: transparent;  /* Button's default background color */
    color: var(--gray01);               /* Button's default text color */
    border: 1px solid var(--gray01);  /* Border matching the background */
    padding: 8px 16px;
    font-family: 'Inter', Arial, Helvetica, sans-serif;
    font-size: 12px;
    cursor: url('arrows/cursor02.svg') 0 0, pointer;
    transition: background-color 0.5s, color 0.5s;  /* Smooth transition */
}

.language-button:hover {
    background-color: var(--gray01);    /* Button's background color on hover */
    color: var(--black01);             /* Button's text color on hover */
}

nav ul li {
    list-style-type: none;
}

.language-button a {
    color: inherit;       /* Inherit color from the parent button */
    text-decoration: none; /* Remove underline */
}

#fr {
    margin: 0 0 0 -1px;
}

header {
    display: flex;
    justify-content: flex-end; /* Align the language menu to the right */
    padding: 20px; /* Optional: Add some padding to the header */
}

#timeline-block {
  position: relative;
    margin: 82px 0 0 0;
}

#primary-content {
    display: flex;
}

.primary-image-description {
    font-family: 'Inter', Arial, Helvetica, sans-serif;
    font-size: 12px;
    line-height: 18px;
    font-weight: 500;
    color: var(--gray01);
}

.bibliography-source {
    font-family: 'Inter', Arial, Helvetica, sans-serif;
    font-size: 12px;
    line-height: 18px;
    font-weight: 500;
    color: var(--gray01) !important;
}

.bibliography-source a {
  color: var(--gray01);
  word-break: break-word;
}

#bibliography {
  margin: 300px 0 0 -88px;
  max-width: 800px;
}

.primary-link a {
  font-family: 'Inter', Arial, Helvetica, sans-serif;
    font-size: 12px;
    font-weight: 500;
    max-width: 300px;
    color: var(--gray01);
    display: block;
    margin: -29.5px 8px 0 0;
    text-decoration: underline;
    /* word-break: break-all; */
}

.pdf-icon {
  margin: -12px 0 0 0;
  cursor: url('arrows/cursor02.svg') 0 0, pointer;;
  background-image: url('graphics/pdf-icon01.svg');
  transition: background-image 0.5s;
  background-size: cover;
  background-position: center;
  width: 32px;
  height: 13px;
}

.pdf-icon:hover {
  background-image: url('graphics/pdf-icon02.svg');
}

.pdf-icon-secondary {
  margin: -11.8px 0 0 0;
  cursor: url('arrows/cursor02.svg') 0 0, pointer;;
  background-image: url('graphics/pdf-icon03.svg');
  transition: background-image 0.5s;
  background-size: cover;
  background-position: center;
  width: 32px;
  height: 13px;
}

.shift-down01 {
  margin: 17px 0 0 0;
}

.pdf-icon-secondary:hover {
  background-image: url('graphics/pdf-icon04.svg');
}


.image-container img {
    max-width: 500px;       /* Restrict width to a maximum of 500px */
    max-height: 500px;      /* Restrict height to a maximum of 500px */
    width: auto;            /* Maintain aspect ratio */
    height: auto;           /* Maintain aspect ratio */
    border: 1.5px solid var(--gray01); /* Add a 1px solid border */
    display: block;         /* Prevent inline spacing issues */
    box-sizing: border-box; /* Include border in dimensions */
    z-index: 1;
}

.connected-flex {
    margin: 200px 0 0 -48px;
    display: flex;
    max-width: 565px;
}

.link-flex {
  margin: 34px 0 0 -48px;
  display: flex;
  max-width: 565px;
}

.link-underline {
  width: 100%;
  height: 1px;
  background-color: var(--gray01);
}

.link-underline-black {
  width: 100%;
  height: 1.2px;
  background-color: var(--black01);
  margin: 0 0 -15.2 0;
}

#timeline-block {
  position: relative;
    margin: 82px 0 0 0;
}

#down-arrow {
  position: fixed;
  bottom: 0; /* Positions the arrow at the bottom of the screen */
  left: calc(25% + 28.5px);
  width: 35px; /* Adjusts the arrow size */
  height: auto; /* Maintains the aspect ratio */
  z-index: 2; /* Ensures it stays above other elements */
  transition: left 0.5s ease; /* Smooth transition when shifting */
}

#down-arrow.shifted-right {
  left: calc(25% + 28.5px + 200px); /* Shifts the arrow to the right */
}

#down-arrow.shifted-left {
  left: calc(25% + 28.5px - 200px); /* Shifts the arrow to the right */
}

.primary-text {
    font-family: 'Inter', Arial, Helvetica, sans-serif;
    font-size: 18px;
    font-weight: 300;
    line-height: 28px;
    color: var(--gray01);
    margin: 20px 0 0 0;
    text-wrap: balance;
}

.loading-text {
  font-family: 'Inter', Arial, Helvetica, sans-serif;
    font-size: 18px;
    font-weight: 300;
    line-height: 28px;
    color: var(--gray01);
    margin: 0 0 0 20px;
    text-wrap: balance;
}

.hidden {
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.visible {
    opacity: 1;
    visibility: visible;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.no-scroll {
  overflow: hidden; /* Disables scrolling */
}

.preface-block {
  max-width: 500px; 
  margin: 0 0 0 0;
}

.section-title {
  max-width: 500px; 
  margin: 300px 0 200px 64px;
}

.temporality {
  margin: 0 0 -8px 12px;
}

.title-wrapper {
  display: inline-block;
}

.title-underline {
  width: 100%;
  height: 1px;
  background-color: var(--gray01);
  margin: -13.1px 0 0 0;
}

.preface-flex {
  display: flex;
  margin: 500px 0 0 -48px;
}

.title-branch {
  width: 180px;
  height: 1px;
  background-color: var(--gray01);
  z-index: 0;
  margin: 52.5px 0 0 0;
}

main {
  margin: 300px 0 0 0;
}

#secondary {
  position: fixed;
  display: flex;
  justify-content: center;
  top: 0;
  right: -400px; /* Initially hidden off-screen */
  width: 400px;
  height: 100vh;
  background-color: var(--gray01);
  overflow-y: auto; /* Enable scrolling within the pop-in */
  transition: right 0.5s ease; /* Smooth slide-in */
  z-index: 100;
}

ul.secondary-list {
  list-style: none; /* Hide default bullets */
  padding-left: 12px; /* Add space for custom bullets */
}

ul.secondary-list li {
  position: relative; /* Position for the custom bullet */
}

ul.secondary-list li::before {
  content: "▪"; /* Add your custom bullet character */
  color: var(--black01); /* Custom color */
  font-size: 18px; /* Match the size of the text */
  position: absolute; /* Position the bullet */
  left: -12px; /* Align it to the left of the text */
  top: 0; /*Align to the top of the text */
}

.square-bullet {
  font-size: 12px; /* Match the size of the text */
}

#secondary.open {
  right: 0; /* Slide in from the right */
}

#secondary-content {
  padding: 20px;
}

/* Close button */
#close-secondary {
  position: absolute;
  top: 10px;
  left: 10px;
  background: none;
  border: none;
  font-size: 24px;
  cursor: url('arrows/cursor02.svg') 0 0, pointer;;
}

/* Keyword links */
.keyword-link {
  color: var(--gray01);
  text-decoration: underline;
  cursor: url('arrows/cursor02.svg') 0 0, pointer;;
}

.secondary-title {
  font-family: 'Inter', Arial, Helvetica, sans-serif;
  font-size: 32px;
  font-weight: 200;
  color: var(--black01);
  margin: 0 0 20px 0;
}
.secondary-subtitle {
  font-family: 'Inter', Arial, Helvetica, sans-serif;
  font-size: 18px;
  font-weight: 300;
  color: var(--black01);
  margin: 0 0 0 0;
}

.secondary-text {
  display: inline-block;
  font-family: 'Inter', Arial, Helvetica, sans-serif;
  font-size: 12px;
  font-weight: 500;
  line-height: 18px;
  color: var(--black01);
  margin: 0 0 20px 0;
}

.secondary-img {
  max-width: 100%;
  max-height: 500px;
  justify-self: center;
  height: auto;
  display: block;
  margin: 24px 20px 8px 0px;
  border: 1.5px solid var(--black01); 
  margin: 24px 0 8px 0;
}

.secondary-link-flex {
  display: flex;
  max-width: 100%;
  margin: 12px 0 0 0;
}

.divider01 {
  width: 100%;
  height: 12px;
}

.secondary-text a {
  color: var(--black01) !important;
  text-decoration: underline !important;
  word-break: break-word;
  max-width: 100px;
}

/* Apply custom scrollbar styling for WebKit-based browsers */
#secondary {
  scrollbar-width: thin; /* Firefox: Makes the scrollbar thin */
  scrollbar-color: var(--black01) transparent; /* Firefox: Black thumb, transparent track */
}

#secondary::-webkit-scrollbar {
  width: 4px; /* Width of the scrollbar */
}

#secondary::-webkit-scrollbar-track {
  background: transparent; /* Background of the scrollbar track */
}

#secondary::-webkit-scrollbar-thumb {
  background-color: var(--black01); /* Color of the scrollbar thumb */
}

.dropdown-menu li a {
  text-decoration: none !important; /* Removes the underline */
  color: inherit !important;
}

.glossary-text {
  display: inline-block;
  font-family: 'Inter', Arial, Helvetica, sans-serif;
  font-size: 12px;
  font-weight: 500;
  line-height: 18px;
  color: var(--black01);
  margin: 0 0 0 0;
}

/* Lightbox container */
#lightbox {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.6); /* Dark background */
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  visibility: hidden;
  opacity: 0;
  transition: opacity 0.3s ease-in-out;
  cursor: url('arrows/cursor02.svg') 0 0, pointer;;
}

/* The lightbox image */
#lightbox img {
  max-width: 1000px;
  max-height: 90vh; /* Keep the image within the viewport height */
  border: 1px solid var(--gray01);
}

/* Lightbox visible state */
#lightbox.show {
  visibility: visible;
  opacity: 1;
} 

.lightbox-trigger {
  cursor: url('arrows/cursor02.svg') 0 0, pointer;;
}

@media screen and (max-width: 900px) {
  body * {
    display: none; /* Hide everything */
  }
  
  body::before {
    content: "This website is not yet responsive. Please view it on a larger screen.";
    display: block;
    text-align: center;
    font-size: 18px;
    font-family: Arial, sans-serif;
    padding: 20px;
    color: white;
    background: black;
    height: 100vh;
    width: 100vw;
    display: flex;
    align-items: center;
    justify-content: center;
  }
}