/* ----- Research Page Styles ----- */

/* Base Styles */
.research-page {
  background-color: var(--clr-bg-dark);
  color: var(--clr-gray-300);
  padding-top: 60px; /* Space for fixed nav */
}

/* Research Hero */
.research-hero {
  padding: 6rem 0 4rem;
  background: linear-gradient(to bottom, rgba(0,0,0,0.8), var(--clr-bg-dark));
  text-align: center;
}

.research-title {
  font-size: 4rem;
  margin-bottom: 2rem;
  color: white;
  font-weight: 700;
}

.research-description {
  font-size: 1.3rem;
  max-width: 800px;
  margin: 0 auto;
  line-height: 1.6;
}

/* Research Section */
.research-section {
  padding: 4rem 0;
}

.research-section h2 {
  font-size: 2.5rem;
  margin-bottom: 2rem;
  color: white;
}

.research-section p {
  margin-bottom: 1.5rem;
  line-height: 1.7;
  max-width: 85ch;
}

.alt-bg {
  background-color: rgba(255, 255, 255, 0.03);
}

/* Research Interests */
.research-interests {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2rem;
}

.interest-tag {
  background: rgba(255, 255, 255, 0.1);
  padding: 0.5rem 1rem;
  border-radius: 25px;
  font-size: 0.9rem;
  transition: all 0.3s;
}

.interest-tag:hover {
  background: var(--clr-purple);
  transform: translateY(-2px);
}

/* Publications Grid */
.publications-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.publication-card {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 10px;
  padding: 2rem;
  transition: transform 0.3s, box-shadow 0.3s;
}

.publication-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.publication-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.publication-year {
  color: var(--clr-neon);
  font-weight: 600;
}

.publication-type {
  font-size: 0.85rem;
  color: var(--clr-purple);
}

.publication-card h3 {
  color: white;
  margin-bottom: 1rem;
  line-height: 1.4;
}

.authors {
  color: var(--clr-gray-300);
  margin-bottom: 0.5rem;
  font-size: 0.95rem;
}

.authors strong {
  color: var(--clr-neon);
}

.journal {
  font-style: italic;
  color: var(--clr-purple);
  margin-bottom: 1rem;
}

.publication-description {
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.publication-links {
  display: flex;
  gap: 1rem;
}

.pub-link {
  padding: 0.5rem 1rem;
  background: var(--clr-purple);
  color: white;
  border-radius: 5px;
  text-decoration: none;
  transition: background 0.3s;
}

.pub-link:hover {
  background: var(--clr-pink);
}

.pub-link.alt {
  background: rgba(255, 255, 255, 0.1);
}

.pub-link.alt:hover {
  background: rgba(255, 255, 255, 0.2);
}

/* Presentations */
.presentations {
  margin-top: 3rem;
  padding-top: 3rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.presentations h3 {
  color: white;
  margin-bottom: 2rem;
}

.presentation-item h4 {
  color: white;
  margin-bottom: 0.5rem;
}

.presentation-details {
  color: var(--clr-gray-300);
  line-height: 1.6;
}

/* Projects Grid */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.project-card {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 10px;
  padding: 2rem;
  text-align: center;
  transition: transform 0.3s, box-shadow 0.3s;
}

.project-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.project-icon {
  font-size: 3rem;
  color: var(--clr-neon);
  margin-bottom: 1.5rem;
}

.project-card h3 {
  color: white;
  margin-bottom: 1rem;
}

.project-card p {
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.project-link {
  color: var(--clr-purple);
  font-weight: 600;
  transition: color 0.3s;
}

.project-link:hover {
  color: var(--clr-pink);
}

/* Methodology Grid */
.methodology-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.methodology-card {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 10px;
  padding: 2rem;
  text-align: center;
}

.methodology-icon {
  font-size: 2.5rem;
  color: var(--clr-purple);
  margin-bottom: 1rem;
}

.methodology-card h3 {
  color: white;
  margin-bottom: 1rem;
}

/* Timeline */
.timeline {
  position: relative;
  max-width: 900px;
  margin: 3rem auto;
}

.timeline-item {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 10px;
  padding: 2rem;
  margin-bottom: 2rem;
  position: relative;
  border-left: 3px solid var(--clr-purple);
}

.timeline-marker {
  position: absolute;
  left: -8px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--clr-neon);
  box-shadow: 0 0 10px var(--clr-neon);
}

.timeline-content h3 {
  color: var(--clr-purple);
  margin-bottom: 0.5rem;
}

.timeline-content h4 {
  color: white;
  margin-bottom: 1rem;
}

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

.collaboration-card {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 10px;
  padding: 2rem;
}

.collaboration-card h3 {
  color: white;
  margin-bottom: 1rem;
}

.collaboration-cta {
  text-align: center;
  margin-top: 3rem;
  font-size: 1.1rem;
}

.collaboration-cta a {
  color: var(--clr-neon);
}

/* Contact Section */
.contact-section {
  text-align: center;
}

.contact-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-top: 2rem;
}

/* Responsive Design */
@media (max-width: 768px) {
  .research-title {
    font-size: 3rem;
  }
  
  .research-description {
    font-size: 1.1rem;
  }
  
  .publications-grid,
  .projects-grid,
  .methodology-grid,
  .collaborations-grid {
    grid-template-columns: 1fr;
  }
}