body {
    margin: 0;
    padding: 0;
    font-family: 'Open Sans', sans-serif;
}

h1 {
    display: block;
    font-size: 1.5em;
    color: #333;
    margin-block-start: 1.5em;
    margin-block-end: 0.67em;
    margin-inline-start: 0px;
    margin-inline-end: 0px;
    text-align: left;
    font-weight: bold;
}

h2 {
    display: block;
    font-size: 1em;
    color: #333;
    margin-block-start: 0.83em;
    margin-block-end: -.75em;
    margin-inline-start: 0px;
    margin-inline-end: 0px;
    font-weight: bold;
}

h3 {
    display: block;
    font-size: 0.85em;
    color: #333;
    margin-block-start: 0.75em;
    margin-block-end: -0.5em;
    margin-inline-start: 0px;
    margin-inline-end: 0px;
    font-weight: bold;
}

/* Profile container */
.profile-container {
    margin: auto;
    display: flex;
    padding: 1%;
    background-color: #c9e7ff;
    max-width: 100%;
    box-sizing: border-box;
    overflow: hidden; /* prevent content from overflowing */
    align-items: center; /* vertically center content */
}

/* Profile Aside style */
.profile-aside {
    padding: .5%;
    width: 20%;
    display: flex; /* center the image */
    align-items: center; /* vertically center image */
    justify-content: center; /* horizontally center image */
}

/* Profile image, responsive */
.profile-aside img {
    max-width: 100%;
    height: auto;
}

/* Main content style */
section {
    padding: 0% 5%;
    flex: 1;
    flex-shrink: 0; /* prevent shrinking */
    word-wrap: break-word;
    max-width: 100%;
    box-sizing: border-box;
}

/* Navigation bar container */
.navbar {
    background-color: #333;
    overflow: hidden;
    width: 100%;
}

/* Navigation links */
.nav-links {
    list-style: none; /* remove default list styles */
    margin: 0;
    padding: 0;
    display: flex; /*  horizontal alignment */
    justify-content: space-around; /* space links evenly */
    flex-wrap: wrap; /* wrapping of links on smaller screens */
}

/* Navigation link items */
.nav-links li {
    margin: 0;
    flex-grow: 1;
}

/* Navigation link styles */
.nav-links a {
    display: block;
    color: white;
    text-align: center;
    padding: 14px 20px;
    text-decoration: none;
    font-weight: 600;
    flex-grow: 1;
}

/* Change background color on hover */
.nav-links a:hover {
    color: #c9e7ff;	
    background-color: #575757;
}

/* link style */
a {
    color: #3b5998;
    text-decoration: none;
}

/* hover effect for links */
a:hover {
    text-decoration: underline;
    color: #2d4373;
}

.code-container {
    position: relative;
    margin-top: 20px;
    margin-bottom: 20px;
    background-color: #f0f8ff;
    padding: 15px;
    padding-left: 35px;
    border-radius: 10px;
    overflow-x: auto;
    font-family: Consolas, "Courier New", monospace;
    color: #333;
}

.publication {
    margin-top: 1%;
    margin-bottom: 3%;
    list-style-position: outside;   /* creates hanging bullets */
    list-style-type: none;   /* removes bullet points */
    padding-left: 0;         /* removes default padding */
}

.publication li {
    margin-bottom: 20px;            /* extra space between bullet points */
}

/* Container with flexbox */
.container {
    padding: 5%;
    max-width: 100%;
    box-sizing: border-box;
}

/* Solid border */
hr.solid {
  border-top: 1px solid #333;
}

/* Modal definition */
.modal {
  display: none;
  position: fixed;
  z-index: 1; 
  left: 0;
  top: 0;
  width: 100%; /* was 100 */
  height: 100%; /* was 100 */
  overflow: hidden; 
  background-color: rgba(0, 0, 0, 0.7); /* Black background with opacity */
}

/* Modal Content for Certifications */
.modal-content {
  position: relative;
  margin: auto;
  padding: 1%;
  max-width: 60%;
  background-color: rgba(0, 0, 0, 0.5);
  border-radius: 8px;
  box-shadow: 0px 4px 10px rgba(0, 0, 0, 0.5);
  text-align: center;
}

/* Image inside the modal */
.modal-content img {
  width: 90%;
  height: auto; /* Maintain aspect ratio */
}

/* Modal Content for Personas */
.modal-content-full {
    position: relative;
    margin: auto;
    padding: 1%;
    max-width: 95%;
    background-color: rgba(0, 0, 0, 0.5);
    border-radius: 8px;
    box-shadow: 0px 4px 10px rgba(0, 0, 0, 0.5);
    text-align: center;
    overflow: auto;
  }

  /* Image inside the modal */
.modal-content-full img {
    width: 90%;
    height: auto; /* Maintain aspect ratio */
  }

/* Close button */
.close {
  color: #aaa;
  float: right;
  font-size: 28px;
  font-weight: bold;
}

.close:hover,
.close:focus {
  color: black;
  text-decoration: none;
  cursor: pointer;
}

button {
    padding: 5px 10px;
    background-color: #c9e7ff;
    color: #333;
    border: 1px solid #333;
    border-radius: 5px;
    display: inline-block;
    cursor: pointer;
    font-family: 'Open Sans', sans-serif;
}

button:hover {
    color: #c9e7ff;	
    background-color: #575757;
    text-decoration: none;
}

/* Inline image */
.inline-image img {
    height: 1em;
    width: auto;
    vertical-align: middle;
}

/* Span style for header image */
.provided-by {
  font-size: 0.5em;
  font-weight: normal;
  vertical-align: bottom;
}

/* Footer style */
.footer {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 0px;
    position: relative;
    bottom: 0;
    width: 100%;
}

/* Responsive behavior */
@media (max-width: 768px) {
    .profile-container {
        flex-direction: column;
        padding: 2%;
        max-width: 100%;
    }

    .profile-aside, section {
        width: 100%;
        margin-right: 0;
        padding: 5%; 
        box-sizing: border-box;
    }

    section {
        text-align: justify;
    }
}

/* Responsive design for smaller screens */
@media (max-width: 600px) {
    .nav-links {
        flex-direction: column;
    }
    .nav-links a {
        padding: 10px;
    }
}