/* Smooth Scrolling for Navigation */
html { scroll-behavior: smooth; }

/* Base styles */
.header-container {
  background-color: #FCF5E8; /* Reddish-pink background */
  color: #1d5d8f;  /* Dark teal text */
  text-align: center; /* Center content on small screens */
  padding: 20px; /* Reduced padding for small screens */
}


.header-content h1 {
  font-size: 1.5em; /* Adjust font size for small screens */
  margin-bottom: 0.5em;
  line-height: 1.2;
}

.header-image img {
  max-width: 100%; /* Ensure the image is never more than 100% of its container */
  height: auto; /* Maintain the aspect ratio of the image */
  display: block; /* Prevent inline spacing issues */
  margin: 0 auto 20px; /* Center the image horizontally and add margin below */
}

.button-container {
  margin-top: 20px; /* Add margin above the buttons */
  margin-bottom: 20px; /* Add margin below the buttons */
}

.button-container a.button {
  display: inline-block; /* Make buttons inline */
  margin: 10px; /* Space around buttons */
  padding: 10px 20px; /* Increase tap area for touch screens */
}

.button-container a.button {
  background-color: #b7e7f7; /* Yellow background */
  color: #1d5d8f; /* Black text */
  border: 2px solid #1d5d8f; /* Orange border */
  border-radius: 25px; /* Rounded borders */
  padding: 10px 20px; /* Top and bottom padding, left and right padding */
  margin: 5px; /* Space between the buttons */
  text-decoration: none; /* Remove the underline from links */
  display: inline-block; /* Display links as inline blocks */
  font-weight: bold; /* Make the text bold */
  transition: background-color 0.3s, color 0.3s; /* Smooth transition for hover effect */
}

.button-container a.button:hover {
  background-color: #62c8ec; /* Darker yellow background on hover */
  color: #1d5d8f; /* White text on hover */
}

/* Styles for larger screens using a media query */
@media (min-width: 600px) {
  .header-container {
    display: flex; /* Use flexbox for positioning on larger screens */
    justify-content: space-between; /* Space between the content and image */
    align-items: center; /* Align items vertically */
    padding: 50px 50px; /* Increase padding for larger screens */
  }

  .header-content {
    max-width: calc(50% - 20px); /* Adjust width to include margin */
    text-align: left; /* Align text to the left for larger screens */
    margin-right: 20px; /* Add margin to the right of the header content */
  }

  .header-content h1 {
    font-size: 3em; /* Increase font size for larger screens */
  }

  .header-image {
    max-width: calc(50% - 20px); /* Adjust width to include margin */
  }

  .header-image img {
    max-width: 100%; /* Image should be responsive within the container */
    height: auto; /* Maintain the aspect ratio */
  }
}

@media screen and (max-width: 1000px) {
  d-contents {
      display: none;
  }
}

.byline {
  border-top: 1px solid rgba(0, 0, 0, 0.1);
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
  padding: 0 5px 10px; /* Add padding to the top and bottom */
  margin-bottom: 20px;
}

.byline-container {
  display: flex;
  justify-content: space-between;
  align-items: flex-start; /* Align columns by the top */
  max-width: 1000px; /* Adjust as needed for your design */
  margin: 0 auto; /* Center the container */
}

.byline-column {
  /* Columns will take up width based on their content */
  display: flex;
  flex-direction: column;
  text-align: left; /* All text within columns left-aligned */
}

.byline-column h3 {
  margin-bottom: 10px; /* Space between the header and the content */
  color: #333; /* Dark grey color for the text */
  font-size: 16px; /* Adjust the font size as needed */
}

.byline-column p {
  color: #666; /* Lighter grey color for the text */
  font-size: 14px; /* Adjust the font size as needed */
  margin: 5px 0; /* Space between paragraphs */
}

.author-link, .affiliation-link {
  color: #666; /* Set the color to match the other text */
  text-decoration: none; /* Removes the underline */
  border-bottom: none;
  cursor: pointer; /* Changes cursor to pointer to indicate link */
}

.author-link:hover, .affiliation-link:hover {
  text-decoration: underline; /* Adds underline on hover for visual feedback */
  border-bottom: none;
}


d-article {
  contain: none;
}

d-article d-contents {
  max-width: 100%; /* Or the maximum width you want it to have */
  box-sizing: border-box; /* Include padding in the width calculation */
  align-self: start;
  grid-column: 1 / 4;
  grid-row: auto / span 4;
  justify-self: end;
  margin-top: 5em;
  padding-right: 3em;
  padding-left: 2em;
  border-right: 1px solid rgba(0, 0, 0, 0.1);
  z-index: 1000;
}


d-article d-contents nav {
  display: block;
}

d-article d-contents nav h4 {
  margin-top: 0;
  margin-bottom: 1em;
}

d-article d-contents nav div {
  color: rgba(91, 184, 73, 0.8);
  font-weight: bold;
}

d-article d-contents nav a {
  color: rgba(0, 0, 0, 0.8);
  border-bottom: none;
  text-decoration: none;
}

d-article d-contents li {
  list-style-type: none;
}

d-article d-contents ul {
  padding-left: 1em;
}

d-article d-contents nav ul li {
  margin-bottom: 0.25em;
}

d-article d-contents nav a:hover {
  text-decoration: underline solid rgba(0, 0, 0, 0.6);
}

d-article d-contents nav ul {
  margin-top: 0;
  margin-bottom: 6px;
}

d-article d-contents nav > div {
  display: block;
  outline: none;
  margin-bottom: 0.5em;
}

d-article d-contents nav > div > a {
  font-size: 13px;
  font-weight: 600;
}

d-article d-contents nav > div > a:hover,
d-article d-contents nav > ul > li > a:hover {
  text-decoration: none;
}

.active-nav-item {
  color: #0d6efd; /* Change as per your preference */
}

.shaded-figure {
  background-color: hsl(0, 0%, 97%);
  border-top: 1px solid hsla(0, 0%, 0%, 0.1);
  border-bottom: 1px solid hsla(0, 0%, 0%, 0.1);
  padding: 30px 0;
}

.pointer {
  position: absolute;
  width: 26px;
  height: 26px;
  top: 26px;
  left: -48px;
}

.sidebar {
  position: sticky;
}

d-article section{
  margin: 0 !important;
}