body, html {
  margin: 0;
  padding: 0;
  font-family: 'Inter', sans-serif;
  background-color: #1a1a1a;
  color: #f5f5f5;
  min-height: 100vh;
  line-height: 1.6;
  font-weight: 400;
}

canvas#bg {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 0;
}

header {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: 1.5rem 2rem;
  width: 100%;
}

.name {
  font-size: 1.2rem;
  font-weight: 500;
}

nav a {
  color: white;
  text-decoration: none;
  margin-left: 1.5rem;
  font-size: 1rem;
  transition: opacity 0.2s ease;
}

nav a:hover {
  opacity: 0.8;
  text-decoration: underline;
}

main {
  position: relative;
  z-index: 1;
  padding: 4rem 2rem;
  max-width: 600px;
  margin: 0 auto;
}

h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

h2 {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 2rem 0 1rem 0;
  color: #e0e0e0;
}

p {
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
  color: #d0d0d0;
}

.title {
  font-size: 1.2rem;
  font-weight: 600;
  color: #e0e0e0;
  margin-bottom: 2rem;
}

.contact-info {
  margin-top: 3rem;
  padding: 1.5rem;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 12px;
  border-left: 3px solid rgba(255, 255, 255, 0.2);
}

.contact-info p {
  margin-bottom: 0.5rem;
  font-size: 1rem;
}

.contact-info strong {
  color: #f5f5f5;
}

.contact-info a {
  color: #ffffff;
  text-decoration: underline;
  transition: opacity 0.3s ease;
}

.contact-info a:hover {
  opacity: 0.8;
}

/* Research Page Styles */
.research-section {
  margin: 3rem 0;
}

.research-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 1.5rem;
}

.research-item {
  background: rgba(255, 255, 255, 0.05);
  padding: 2rem;
  border-radius: 12px;
  border-left: 3px solid rgba(255, 255, 255, 0.2);
}

.research-item h3 {
  color: #f5f5f5;
  font-size: 1.2rem;
  margin-bottom: 1rem;
  font-weight: 600;
}

.research-item ul {
  list-style: none;
  padding: 0;
}

.research-item li {
  margin: 0.5rem 0;
  padding-left: 1rem;
  position: relative;
  color: #d0d0d0;
}

.research-item li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: rgba(255, 255, 255, 0.4);
}

.publications, .patents {
  margin-top: 1.5rem;
}

.publication, .patent {
  background: rgba(255, 255, 255, 0.03);
  padding: 1.5rem;
  margin: 1rem 0;
  border-radius: 8px;
  border-left: 2px solid rgba(255, 255, 255, 0.15);
}

.publication h3, .patent h3 {
  color: #f5f5f5;
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.publication-meta, .patent-meta {
  color: #a0a0a0;
  font-size: 0.9rem;
  font-style: italic;
  margin: 0;
}

.physics-research ul {
  list-style: none;
  padding: 0;
  columns: 2;
  column-gap: 2rem;
}

.physics-research li {
  margin: 0.5rem 0;
  padding-left: 1rem;
  position: relative;
  color: #d0d0d0;
  break-inside: avoid;
}

.physics-research li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: rgba(255, 255, 255, 0.4);
}

/* Resources Page Styles */
.resources-section {
  margin: 3rem 0;
}

.book-grid, .course-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.book-item, .course-item {
  background: rgba(255, 255, 255, 0.05);
  padding: 1.5rem;
  border-radius: 10px;
  border-left: 3px solid rgba(255, 255, 255, 0.2);
  transition: all 0.3s ease;
}

.book-item:hover, .course-item:hover {
  background: rgba(255, 255, 255, 0.08);
  transform: translateY(-2px);
}

.book-item h3, .course-item h3 {
  color: #f5f5f5;
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
  font-weight: 600;
  line-height: 1.3;
}

.book-authors, .course-platform {
  color: #b0b0b0;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 0.8rem;
}

.book-description, .course-description {
  color: #d0d0d0;
  font-size: 0.95rem;
  line-height: 1.4;
  margin: 0;
}

.prerequisites, .student-info {
  background: rgba(255, 255, 255, 0.05);
  padding: 2rem;
  border-radius: 12px;
  border-left: 3px solid rgba(255, 255, 255, 0.2);
  margin-top: 1.5rem;
}

.prerequisites p, .student-info p {
  color: #e0e0e0;
  margin-bottom: 1rem;
}

.prereq-list, .student-list {
  list-style: none;
  padding: 0;
}

.prereq-list li, .student-list li {
  margin: 0.8rem 0;
  padding-left: 1.5rem;
  position: relative;
  color: #d0d0d0;
}

.prereq-list li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: rgba(255, 255, 255, 0.4);
  font-weight: bold;
}

.student-list li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: rgba(255, 255, 255, 0.4);
  font-weight: bold;
}

.student-list strong {
  color: #f5f5f5;
}

/* Blog Page Styles */
.blog-placeholder {
  margin-top: 3rem;
}

.coming-soon {
  background: rgba(255, 255, 255, 0.05);
  padding: 2.5rem;
  border-radius: 12px;
  border-left: 3px solid rgba(255, 255, 255, 0.2);
  text-align: center;
}

.coming-soon h2 {
  color: #f5f5f5;
  margin-bottom: 1.5rem;
}

.blog-topics {
  list-style: none;
  padding: 0;
  text-align: left;
  max-width: 500px;
  margin: 2rem auto;
}

.blog-topics li {
  margin: 1rem 0;
  padding-left: 1.5rem;
  position: relative;
  color: #d0d0d0;
}

.blog-topics li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: rgba(255, 255, 255, 0.4);
  font-weight: bold;
}

.blog-note {
  color: #b0b0b0;
  font-style: italic;
  margin-top: 2rem;
}

/* FAQ Page Styles */
.faq-section {
  margin: 3rem 0;
}

.book-list {
  margin-top: 1.5rem;
}

.teaching-info {
  background: rgba(255, 255, 255, 0.05);
  padding: 2rem;
  border-radius: 12px;
  border-left: 3px solid rgba(255, 255, 255, 0.2);
  margin-top: 1.5rem;
}

.teaching-info p {
  margin-bottom: 1rem;
  color: #d0d0d0;
}

/* Prospective Students Page Styles */
.student-content {
  max-width: 800px;
}

.student-content p {
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.student-content a {
  color: #ffffff;
  text-decoration: underline;
  transition: opacity 0.3s ease;
}

.student-content a:hover {
  opacity: 0.8;
}

.requirements-section {
  background: rgba(255, 255, 255, 0.05);
  padding: 2rem;
  border-radius: 12px;
  border-left: 3px solid rgba(255, 255, 255, 0.2);
  margin-top: 2rem;
}

.requirements-section h2 {
  color: #f5f5f5;
  margin-bottom: 1.5rem;
}

.student-requirements {
  list-style: decimal;
  padding-left: 2rem;
  color: #d0d0d0;
}

.student-requirements li {
  margin: 1rem 0;
  line-height: 1.5;
}

/* Publications Page Styles */
.publications-section {
  margin: 3rem 0;
}

.publication-item {
  display: flex;
  gap: 2rem;
  background: rgba(255, 255, 255, 0.03);
  padding: 2rem;
  margin: 2rem 0;
  border-radius: 12px;
  border-left: 3px solid rgba(255, 255, 255, 0.15);
  transition: all 0.3s ease;
}

.publication-item:hover {
  background: rgba(255, 255, 255, 0.05);
  transform: translateY(-2px);
}

.publication-figure {
  flex-shrink: 0;
  width: 150px;
  height: 100px;
}

.figure-placeholder {
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.1);
  border: 2px dashed rgba(255, 255, 255, 0.3);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.9rem;
}

.pub-figure-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 8px;
  transition: all 0.3s ease;
  filter: brightness(0.9) contrast(1.1);
}

.pub-figure-img:hover {
  filter: brightness(1) contrast(1.2);
  transform: scale(1.02);
}

.publication-details {
  flex: 1;
}

.publication-details h3 {
  color: #f5f5f5;
  font-size: 1.2rem;
  margin-bottom: 0.8rem;
  font-weight: 600;
}

.authors {
  color: #b0b0b0;
  font-size: 0.95rem;
  margin-bottom: 0.5rem;
}

.authors strong {
  color: #e0e0e0;
}

.venue {
  color: #a0a0a0;
  font-size: 0.9rem;
  font-style: italic;
  margin-bottom: 0.8rem;
}

.abstract {
  color: #d0d0d0;
  font-size: 0.95rem;
  line-height: 1.4;
  margin: 0;
}

.patent-list {
  margin-top: 1.5rem;
}

.patent-item {
  background: rgba(255, 255, 255, 0.03);
  padding: 1.5rem;
  margin: 1rem 0;
  border-radius: 8px;
  border-left: 2px solid rgba(255, 255, 255, 0.15);
}

.patent-item h3 {
  color: #f5f5f5;
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.patent-details {
  color: #d0d0d0;
  font-size: 0.95rem;
  margin: 0;
}

/* Responsive design for publications */
@media (max-width: 768px) {
  .publication-item {
    flex-direction: column;
    gap: 1rem;
  }
  
  .publication-figure {
    width: 100%;
    height: 120px;
  }
}

.social-icons {
  list-style: none;
  padding: 0;
}

.social-icons li {
  margin: 0.75rem 0;
  font-size: 1.1rem;
}

.social-icons a {
  color: white;
  text-decoration: none;
  display: flex;
  align-items: center;
  transition: opacity 0.3s ease;
}

.social-icons a:hover {
  opacity: 0.8;
}

.social-icon {
  width: 1.2rem;
  height: 1.2rem;
  margin-right: 0.75rem;
  filter: invert(1);
  transition: filter 0.3s ease;
}

.social-icons a:hover .social-icon {
  filter: invert(0.8);
}

/* Photo Gallery Styles */
.gallery-filters {
  display: flex;
  gap: 0.5rem;
  margin: 2rem 0 1.5rem 0;
  flex-wrap: wrap;
}

.filter-btn {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #d0d0d0;
  padding: 0.5rem 1rem;
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 0.9rem;
}

.filter-btn:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.3);
}

.filter-btn.active {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.4);
  color: #f5f5f5;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.gallery-item {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.4s ease;
  background: rgba(255, 255, 255, 0.05);
}

.gallery-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.gallery-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: all 0.4s ease;
}

.gallery-image.lazy-load {
  opacity: 0;
  transform: scale(1.1);
}

.gallery-image:not(.lazy-load) {
  opacity: 1;
  transform: scale(1);
}

.gallery-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.9));
  color: white;
  padding: 1.5rem;
  transform: translateY(100%);
  transition: transform 0.4s ease;
}

.gallery-item:hover .gallery-overlay {
  transform: translateY(0);
}

.gallery-caption h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin: 0 0 0.3rem 0;
  color: #f5f5f5;
}

.gallery-caption p {
  font-size: 0.85rem;
  color: #c0c0c0;
  margin: 0;
}

/* Lightbox Styles */
.lightbox {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.lightbox.active {
  opacity: 1;
  visibility: visible;
}

.lightbox-content {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
}

.lightbox-image-container {
  position: relative;
  max-width: 100%;
  max-height: 70vh;
  margin-bottom: 1.5rem;
}

.lightbox-image {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  border-radius: 8px;
}

.lightbox-info {
  text-align: center;
  max-width: 500px;
  color: #f5f5f5;
}

.lightbox-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin: 0 0 0.5rem 0;
  color: #ffffff;
}

.lightbox-meta {
  display: flex;
  gap: 1rem;
  justify-content: center;
  font-size: 0.9rem;
  color: #c0c0c0;
  margin-bottom: 1rem;
}

.lightbox-description {
  font-size: 1rem;
  line-height: 1.5;
  color: #d0d0d0;
  margin: 0;
}

.lightbox-close {
  position: absolute;
  top: -50px;
  right: -50px;
  background: rgba(255, 255, 255, 0.1);
  border: none;
  color: white;
  font-size: 2rem;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  transition: background 0.3s ease;
}

.lightbox-close:hover {
  background: rgba(255, 255, 255, 0.2);
}

.lightbox-prev,
.lightbox-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.1);
  border: none;
  color: white;
  font-size: 2rem;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  cursor: pointer;
  transition: all 0.3s ease;
}

.lightbox-prev {
  left: -70px;
}

.lightbox-next {
  right: -70px;
}

.lightbox-prev:hover,
.lightbox-next:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-50%) scale(1.1);
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .gallery-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
  }
  
  main {
    padding: 2rem 1rem;
    max-width: 100%;
  }
  
  h1 {
    font-size: 2rem;
  }
  
  header {
    padding: 1rem 1.5rem;
  }
  
  nav a {
    margin-left: 1rem;
    font-size: 0.9rem;
  }
}

/* Subtle animations */
main {
  animation: fadeInUp 0.8s ease-out;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Subtle text selection styling */
::selection {
  background: rgba(255, 255, 255, 0.2);
}

/* Improved focus states */
nav a:focus {
  outline: 2px solid rgba(255, 255, 255, 0.3);
  outline-offset: 4px;
  border-radius: 2px;
}