:root {
    --primary-color: #a14f4f;
    --secondary-color: #003366;
  --bg-color: #ffffff;
  --text-color: #000000;
  --header-bg: #003366;
  --footer-bg: #090909;
  --logo-filter: none;
}

[data-theme="dark"] {
  --bg-color: #1a1a1a;
  --text-color: #ffffff;
  --header-bg: #000000;
  --footer-bg: #000000;
  --logo-filter: brightness(0) invert(1);
}

body {
  font-family: 'Lora', serif;
  margin: 0;
  padding: 0;
  background-color: var(--bg-color);
  color: var(--text-color);
  transition: all 0.3s ease;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

header {
  background-color: var(--header-bg);
  color: white;
  padding: 20px;
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
}

h1 {
  margin: 0;
  text-align: left;
}

nav {
  display: flex;
  gap: 30px;
}

header nav a {
  color: white;
  text-decoration: none;
  font-weight: bold;
}

header nav a:hover {
  text-decoration: underline;
}

main {
  flex: 1;
  padding: 20px;
}

footer {
  background-color: var(--footer-bg);
  padding: 20px 0;
  margin-top: auto;
  border-top: 1px solid #a14f4f;
  width: 100%;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
  color: #ffffff;
  padding: 0 20px;
  font-family: 'Montserrat', sans-serif;
}

.footer-links, .social-links {
  margin: 15px 0;
}

.footer-links a, .social-links a {
  margin: 0 10px;
  color: #ffffff; /* Change from #333 to #ffffff for white links */
  text-decoration: none;
}

.footer-links a:hover, .social-links a:hover {
  text-decoration: underline;
}

.social-links a {
  margin: 0 15px;
  color: #ffffff;
  text-decoration: none;
  font-size: 24px; /* Makes icons bigger */
  transition: color 0.3s ease; /* Smooth color transition on hover */
}

.social-links a:hover {
  color: #a14f4f; /* Changes icon color on hover */
  text-decoration: none;
}

.dark-mode-toggle {
  position: absolute;
  top: 20px;
  right: 20px;
  padding: 8px;
  border-radius: 50%;
  border: none;
  background: transparent;
  color: white;
  cursor: pointer;
  font-size: 1.2rem;
}

.dark-mode-toggle:hover {
  background: rgba(255, 255, 255, 0.1);
}

.hero-section {
  position: relative;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  overflow: hidden;
  height: 500px; /* Set a fixed height for the hero section */
}

.hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover; /* This ensures the image covers the area without distortion */
  object-position: center; /* Centers the image */
}

.hero-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background-color: rgba(0, 0, 0, 0.7);
  padding: 20px;
  border-radius: 5px;
  width: 80%; /* Controls the width of the text overlay */
  max-width: 600px; /* Maximum width of the text overlay */
}

.hero-text h2 {
  color: white;
  margin-bottom: 10px;
  font-size: 32px;
}

.hero-text p {
  font-family: 'Montserrat', sans-serif;
  font-size: 24px;
  margin: 0;
  text-align: center;
}

.about-section {
  display: flex;
  max-width: 1200px;
  margin: 40px auto;
  padding: 0 20px;
  gap: 40px;
}

.profile-image {
  flex: 0 0 300px;
}

.profile-image img {
  width: 100%;
  border-radius: 8px;
  box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.about-content {
  flex: 1;
}

.about-content h2 {
    margin-top: 0;
    color: var(--text-color);
    margin-bottom: 20px;
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    font-size: 2.2em;
}

.about-content h3 {
    margin-top: 25px;
    color: var(--text-color);
    font-family: 'Montserrat', sans-serif;
    font-weight: 500;
    font-size: 1.5em;
}

.about-content ul {
  padding-left: 20px;
  margin-top: 10px;
}

.about-content li {
  margin-bottom: 8px;
  color: var(--text-color);
}

.bio {
    margin-bottom: 30px;
    line-height: 1.6;
}

.bio p {
    margin-bottom: 15px;
    text-align: justify;
    font-family: 'Lora', serif;
    font-size: 1.1em;
    line-height: 1.8;
}

.bio p:last-child {
    margin-bottom: 0;
}

.bio a {
    color: var(--text-color);
    text-decoration: underline;
    transition: color 0.3s ease;
}

.bio a:hover {
    color: #a14f4f;
}

.education-item {
    margin-bottom: 30px;
}

.college-info {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 20px;
    border-radius: 8px;
    background-color: var(--bg-color);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.college-logo {
    width: 100px;
    height: 100px; /* Fixed height to maintain aspect ratio */
    object-fit: contain;
    background-color: transparent; /* Ensures transparency */
    padding: 5px; /* Adds some space around the logo */
    filter: var(--logo-filter); /* Will be used for dark mode */
}

.college-details h4 {
    margin: 0 0 10px 0;
    color: var(--text-color);
    font-size: 1.2em;
    font-family: 'Montserrat', sans-serif;
    font-weight: 500;
}

.college-details p {
    margin: 5px 0;
    color: var(--text-color);
    font-family: 'Lora', serif;
}

.year {
    color: #666;
    font-size: 0.9em;
    font-family: 'Montserrat', sans-serif;
}

.quote-box {
    margin: 30px 0;
    padding: 20px;
    background-color: rgba(0, 0, 0, 0.05);
    border-left: 4px solid #a14f4f;
    border-radius: 4px;
    position: relative;
}

.quote-box blockquote {
    margin: 0;
    padding-left: 30px;
    font-family: 'Lora', serif;
    font-style: italic;
    color: var(--text-color);
}

.quote-box .fa-quote-left {
    position: absolute;
    left: 20px;
    top: 20px;
    color: #a14f4f;
    opacity: 0.6;
}

[data-theme="dark"] .quote-box {
    background-color: rgba(255, 255, 255, 0.05);
}

.research-section {
    max-width: 1200px;
    margin: 40px auto;
    padding: 0 20px;
}

.research-areas ul {
    list-style-type: none;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.research-areas li {
    padding: 20px;
    background-color: var(--bg-color);
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    border-left: 4px solid #a14f4f;
}

.research-projects {
    margin-top: 30px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.project {
    padding: 25px;
    background-color: var(--bg-color);
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.project h3 {
    margin-top: 0;
    color: var(--text-color);
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
}

.project p {
    margin: 10px 0 0;
    line-height: 1.6;
}

.publication-authors {
    display: block;
    font-style: italic;
    margin: 5px 0;
    color: var(--text-color);
}

.publication-venue {
    display: block;
    color: var(--text-color);
    margin: 5px 0;
}

.publication-date {
    display: block;
    color: #666;
    font-size: 0.9em;
    margin-top: 5px;
    font-family: 'Montserrat', sans-serif;
}

[data-theme="dark"] .publication-date {
    color: #aaa;
}

.publication-item li {
    margin-bottom: 25px;
    padding: 15px;
    border-left: 3px solid #a14f4f;
    background-color: rgba(161, 79, 79, 0.05);
    border-radius: 0 4px 4px 0;
}

.publication-item li:last-child {
    margin-bottom: 0;
}

.contact-section {
    max-width: 1200px;
    margin: 40px auto;
    padding: 0 20px;
}

.contact-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.contact-card {
    padding: 30px;
    text-align: center;
    background-color: var(--bg-color);
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.contact-card:hover {
    transform: translateY(-5px);
}

.contact-card i {
    font-size: 2em;
    color: #a14f4f;
    margin-bottom: 15px;
}

.contact-card h3 {
    margin: 10px 0;
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    color: var(--text-color);
}

.contact-card a {
    color: var(--text-color);
    text-decoration: none;
    font-family: 'Lora', serif;
    transition: color 0.3s ease;
}

.contact-card a:hover {
    color: #a14f4f;
}

.discussion-section {
    max-width: 1200px;
    margin: 40px auto;
    padding: 0 20px;
}

.post-form {
    background-color: var(--bg-color);
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    margin-bottom: 30px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-family: 'Montserrat', sans-serif;
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: 'Lora', serif;
}

.submit-btn {
    background-color: #a14f4f;
    color: white;
    padding: 12px 24px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-family: 'Montserrat', sans-serif;
    font-weight: 500;
    transition: background-color 0.3s ease;
}

.submit-btn:hover {
    background-color: #8a4242;
}

.posts-container {
    margin-top: 40px;
}

.post {
    background-color: var(--bg-color);
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    margin-bottom: 20px;
}

.post-title {
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-color);
}

.post-content {
    font-family: 'Lora', serif;
    line-height: 1.6;
    color: var(--text-color);
}

.post-date {
    color: #666;
    font-size: 0.9em;
    margin-top: 10px;
    font-family: 'Montserrat', sans-serif;
}