/* -----------------------------
   PUBLICATIONS SECTION
   ----------------------------- */
.publications {
  background: #1a1a1a; /* Slightly different from var(--bg-dark) */
  position: relative;
  margin-top:0px;
   min-height: 100vh;
   max-width: 100vw;
  box-sizing: border-box;
  margin-top: 0;
  overflow: hidden;
padding-bottom: 40px;

}





/* Publications Stats */
.pub-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-4xl);
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.pub-stat-card {
  background: var(--card-bg);
  border: 1px solid var(--card-bd);
  border-radius: var(--card-radius);
  padding: var(--space-xl);
  text-align: center;
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
}

.pub-stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--skills-primary), var(--card-bd-hover));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

.pub-stat-card:hover::before {
  transform: scaleX(1);
}

.pub-stat-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0, 174, 239, 0.15);
  border-color: var(--skills-primary);
}

.pub-stat-number {
  display: block;
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--card-bd-hover);
  margin-bottom: var(--space-xs);
}

.pub-stat-label {
  display: block;
  font-size: var(--text-sm);
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: var(--space-md);
}

.pub-stat-icon {
  position: absolute;
  top: 15px;
  /* Distance from top */
  right: 15px;
  /* Distance from right */
  font-size: 1.5rem;
  /* Adjust size as needed */
  opacity: 0.2;
  /* Make it subtle */
  transition: opacity 0.3s ease;
}

.pub-stat-card:hover .pub-stat-icon {
  opacity: 0.3;
}

/* Filter Buttons */
.pub-filters {
  display: flex;
  gap: var(--space-sm);
  justify-content: center;
  margin-bottom: var(--space-3xl);
  flex-wrap: wrap;
}

.pub-filter-btn {
  background: var(--card-bg);
  border: 2px solid var(--card-bd);
  color: var(--text);
  padding: var(--space-sm) var(--space-xl);
  border-radius: 25px;
  font-size: var(--text-sm);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.pub-filter-btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(0, 174, 239, 0.1);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.6s ease, height 0.6s ease;
}

.pub-filter-btn:hover::before {
  width: 100px;
  height: 100px;
}

.pub-filter-btn:hover {
  transform: translateY(-2px);
  border-color: var(--skills-primary);
}

.pub-filter-btn.is-active {
  background: linear-gradient(135deg, var(--skills-primary), var(--card-bd-hover));
  border-color: transparent;
  color: white;
  box-shadow: 0 4px 15px rgba(0, 174, 239, 0.3);
}

/* Publication Sections */
.pub-section {
  margin-bottom: var(--space-4xl);
}

.pub-section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-2xl);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--card-bd);
}

.pub-section-title {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--text-2xl);
  color: var(--text);
  margin: 0;
}

.pub-section-icon {
  font-size: 1.5rem;
}

.pub-count {
  background: rgba(0, 174, 239, 0.1);
  color: var(--skills-primary);
  padding: var(--space-xs) var(--space-md);
  border-radius: 20px;
  font-size: var(--text-sm);
  font-weight: 600;
}

/* More specific selector to ensure it applies */
.publications .pub-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  row-gap: 80px !important;
  column-gap: 30px !important;
}


/* Publication Cards */
.pub-card {
  background: var(--card-bg);
  border: 1px solid var(--card-bd);
  border-radius: var(--card-radius);
  padding: var(--space-xl);
  position: relative;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.pub-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 174, 239, 0.1);
  border-color: var(--skills-primary);
}

/* Card Header */
.pub-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-md);
}

.pub-year {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--card-bd-hover);
}

.pub-badge {
  background: linear-gradient(135deg, var(--card-bd-hover), var(--skills-primary));
  color: var(--bg-dark);
  padding: 3px 10px;
  border-radius: 15px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  animation: subtle-pulse 3s infinite;
}

@keyframes subtle-pulse {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.8;
  }
}

.pub-badge--report {
  background: linear-gradient(135deg, var(--skills-secondary), var(--skills-primary));
}

/* Publication Title */
.pub-title {
  font-size: var(--text-base);
  line-height: 1.5;
  color: var(--text);
  margin-bottom: var(--space-md);
  font-weight: 600;
  flex-grow: 1;
}

/* Publication Meta */
.pub-meta {
  margin-bottom: var(--space-md);
}

.pub-meta p {
  margin: var(--space-xs) 0;
  font-size: var(--text-sm);
  color: var(--text-dim);
  line-height: 1.4;
}

.pub-authors strong {
  color: var(--card-bd-hover);
  font-weight: 700;
}

.pub-journal {
  font-style: italic;
  color: var(--skills-primary);
}

.pub-publisher strong {
  color: var(--text);
}

/* Publication Tags */
.pub-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-bottom: var(--space-md);
}

.pub-tag {
  background: rgba(255, 194, 14, 0.1);
  color: var(--card-bd-hover);
  padding: 3px 8px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 500;
  border: 1px solid rgba(255, 194, 14, 0.2);
}

/* Publication Link */
.pub-link {
  display: inline-flex;
  align-items: center;
  color: var(--skills-primary);
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: 600;
  margin-top: auto;
  transition: all 0.3s ease;
}

.pub-link:hover {
  color: var(--card-bd-hover);
  transform: translateX(5px);
}

/* Report Cards Special Styling */
.pub-card--report {
  background: linear-gradient(135deg, var(--card-bg), rgba(0, 174, 239, 0.05));
}

.pub-contribution {
  background: rgba(255, 194, 14, 0.05);
  border-left: 3px solid var(--card-bd-hover);
  padding: var(--space-sm) var(--space-md);
  margin: var(--space-md) 0;
  border-radius: 0 var(--space-xs) var(--space-xs) 0;
}

.pub-contribution strong {
  color: var(--card-bd-hover);
  font-size: var(--text-sm);
  display: block;
  margin-bottom: var(--space-xs);
}

.pub-contribution p {
  margin: 0;
  font-size: var(--text-sm);
  color: var(--text-dim);
  line-height: 1.5;
}

/* Show More Button */
.publications .pub-show-more {
  grid-column: 1 / -1;
  text-align: center;
  margin-top: 80px !important;
  /* Match your row-gap for consistency */
  padding-top: 20px;
  /* Additional padding if needed */
}

.pub-show-more-btn {
  background: var(--card-bg);
  border: 2px solid var(--card-bd);
  color: var(--text);
  padding: var(--space-md) var(--space-2xl);
  border-radius: 25px;
  font-size: var(--text-base);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
}

.pub-show-more-btn:hover {
  background: rgba(0, 174, 239, 0.1);
  border-color: var(--skills-primary);
  transform: translateY(-2px);
}

.show-more-icon {
  transition: transform 0.3s ease;
}

.pub-show-more-btn:hover .show-more-icon {
  transform: translateY(3px);
}

.pub-show-more-btn.expanded .show-more-icon {
  transform: rotate(180deg);
}

/* More Articles Container */
.pub-more-articles {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: var(--space-xl);
  margin-top: var(--space-xl);
}

/* Research Impact Section */
.pub-impact {
  margin-top: var(--space-5xl);
  padding-top: var(--space-3xl);
  border-top: 1px solid var(--card-bd);
}

.pub-impact-title {
  text-align: center;
  font-size: var(--text-2xl);
  color: var(--text);
  margin-bottom: var(--space-2xl);
  position: relative;
}

.pub-impact-title::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -10px;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: var(--card-bd-hover);
  border-radius: 2px;
}

.pub-impact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-xl);
  max-width: 1100px;
  margin: 0 auto;
}

.pub-impact-card {
  background: var(--card-bg);
  border: 1px solid var(--card-bd);
  border-radius: var(--card-radius);
  padding: var(--space-xl);
  text-align: center;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.pub-impact-card::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(0, 174, 239, 0.1) 0%, transparent 70%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.pub-impact-card:hover::before {
  opacity: 1;
}

.pub-impact-card:hover {
  transform: translateY(-5px);
  border-color: var(--skills-primary);
  box-shadow: 0 10px 25px rgba(0, 174, 239, 0.15);
}

.pub-impact-icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-md);
  display: block;
}

.pub-impact-card h4 {
  color: var(--skills-primary);
  font-size: var(--text-lg);
  margin-bottom: var(--space-sm);
}

.pub-impact-card p {
  color: var(--text-dim);
  font-size: var(--text-sm);
  line-height: 1.5;
  margin: 0;
}

/* Stagger Animation */
.publications .stagger-animation .pub-card,
.publications .stagger-animation .pub-impact-card {
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.6s ease;
}

.publications .stagger-animation.in-view .pub-card,
.publications .stagger-animation.in-view .pub-impact-card {
  opacity: 1;
  transform: translateY(0);
}

.publications .stagger-animation.in-view .pub-card:nth-child(1) {
  transition-delay: 0.1s;
}

.publications .stagger-animation.in-view .pub-card:nth-child(2) {
  transition-delay: 0.2s;
}

.publications .stagger-animation.in-view .pub-card:nth-child(3) {
  transition-delay: 0.3s;
}

.publications .stagger-animation.in-view .pub-card:nth-child(4) {
  transition-delay: 0.4s;
}

.publications .stagger-animation.in-view .pub-card:nth-child(5) {
  transition-delay: 0.5s;
}

.publications .stagger-animation.in-view .pub-card:nth-child(6) {
  transition-delay: 0.6s;
}

.publications .stagger-animation.in-view .pub-card:nth-child(7) {
  transition-delay: 0.7s;
}

.publications .stagger-animation.in-view .pub-card:nth-child(8) {
  transition-delay: 0.8s;
}

/* Responsive Design */
@media (max-width: 768px) {
  .pub-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
  }

  .pub-stat-number {
    font-size: 2rem;
  }

  .pub-filters {
    gap: var(--space-xs);
  }

  .pub-filter-btn {
    padding: var(--space-xs) var(--space-md);
    font-size: var(--text-xs);
  }

  .pub-grid {
    grid-template-columns: 1fr;
    row-gap: 80px !important;
    column-gap: 30px !important;
  }


  .pub-section-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-sm);
  }

  .pub-impact-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .pub-stats {
    grid-template-columns: 1fr;
  }

  .pub-section-title {
    font-size: var(--text-xl);
  }

  .pub-title {
    font-size: var(--text-sm);
  }

  .pub-card {
    padding: var(--space-md);
  }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {

  .pub-card,
  .pub-stat-card,
  .pub-filter-btn,
  .pub-impact-card {
    transition: none;
  }

  .pub-card:hover,
  .pub-stat-card:hover,
  .pub-filter-btn:hover,
  .pub-impact-card:hover {
    transform: none;
  }

  .pub-badge {
    animation: none;
  }

  .publications .stagger-animation.in-view .pub-card {
    transition: none;
    opacity: 1;
    transform: none;
  }
}