/* Professor Portfolio Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Cairo", "Amiri", serif;
  background-color: #fdfbf7;
  color: #1e293b;
  line-height: 1.6;
}

/* Navigation */
.navbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid #e2e8f0;
  padding: 1rem 0;
  box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: #0f172a;
  letter-spacing: -0.025em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo-icon {
  width: 2rem;
  height: 2rem;
  background-color: #0f172a;
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-size: 0.875rem;
}

.nav-menu {
  display: flex;
  gap: 2rem;
  font-size: 1.125rem;
  font-weight: 600;
}

.nav-link {
  color: #64748b;
  text-decoration: none;
  transition: color 0.3s;
}

.nav-link:hover {
  color: #b45309;
}

.nav-exit {
  color: #94a3b8;
  border-right: 1px solid #cbd5e1;
  padding-right: 2rem;
  margin-right: 1rem;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
}

.hamburger {
  display: block;
  width: 28px;
  height: 2px;
  background-color: #64748b;
  position: relative;
}

.hamburger::before,
.hamburger::after {
  content: "";
  position: absolute;
  width: 28px;
  height: 2px;
  background-color: #64748b;
}

.hamburger::before {
  top: -8px;
}

.hamburger::after {
  top: 8px;
}

/* Hero Section */
.hero {
  padding: 7rem 0 8rem;
  overflow: hidden;
}

@media (max-width: 768px) {
  .hero {
    padding: 6rem 0 8rem;
  }
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}

@media (min-width: 768px) {
  .hero-container {
    grid-template-columns: 1fr 1fr;
  }
}

.hero-content {
  order: 2;
}

@media (min-width: 768px) {
  .hero-content {
    order: 1;
  }
}

.hero-badge {
  display: inline-block;
  padding: 0.25rem 1rem;
  background-color: #fef3c7;
  color: #78350f;
  font-size: 0.875rem;
  font-weight: 700;
  border-radius: 9999px;
  border: 1px solid #fde68a;
  margin-bottom: 1.5rem;
}

.hero-title {
  font-size: 3rem;
  font-weight: 700;
  line-height: 1.2;
  color: #0f172a;
  margin-bottom: 0.5rem;
}

@media (min-width: 768px) {
  .hero-title {
    font-size: 4.5rem;
  }
}

.hero-subtitle {
  font-size: 1.75rem;
  font-weight: 600;
  line-height: 1.4;
  color: #475569;
  margin-bottom: 1.5rem;
}

@media (min-width: 768px) {
  .hero-subtitle {
    font-size: 2.25rem;
  }
}

.highlight {
  color: #b45309;
  font-style: italic;
}

.hero-description {
  font-size: 1.25rem;
  color: #475569;
  line-height: 1.75;
  max-width: 32rem;
  margin-bottom: 1.5rem;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  padding-top: 1rem;
}

.btn {
  padding: 0.75rem 2rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 0.375rem;
  cursor: pointer;
  transition: all 0.3s;
  border: none;
}

.btn-primary {
  background-color: #0f172a;
  color: white;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

.btn-primary:hover {
  background-color: #1e293b;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  transform: translateY(-2px);
}

.btn-secondary {
  background-color: transparent;
  color: #475569;
  border: 2px solid #e2e8f0;
}

.btn-secondary:hover {
  background-color: #f8fafc;
  border-color: #cbd5e1;
}

.hero-image {
  order: 1;
  position: relative;
  display: flex;
  justify-content: center;
}

@media (min-width: 768px) {
  .hero-image {
    order: 2;
    justify-content: flex-end;
  }
}

.image-glow {
  position: absolute;
  inset: 0;
  background-color: #fde68a;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.2;
  transform: translate(-2.5rem, 2.5rem);
}

.profile-image {
  position: relative;
  z-index: 10;
  width: 80%;
  height: auto;
  object-fit: cover;
  border-radius: 5rem 0 5rem 0;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  border: 8px solid white;
}

@media (min-width: 768px) {
  .profile-image {
    width: 100%;
  }
}

/* Stats Section */
.stats {
  background-color: #0f172a;
  color: white;
  padding: 4rem 0;
}

.stats-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  text-align: center;
}

@media (min-width: 768px) {
  .stats-container {
    grid-template-columns: repeat(5, 1fr);
    gap: 2rem;
  }
}

.stat-item {
  padding: 1rem;
  cursor: default;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: #f59e0b;
  margin-bottom: 0.5rem;
  transition: transform 0.3s;
}

.stat-item:hover .stat-number {
  transform: scale(1.1);
}

.stat-label {
  font-size: 1.125rem;
  color: #94a3b8;
}

/* Tabs Section */
.tabs-section {
  padding: 6rem 0;
  background-color: #f8f6f2;
}

.tabs-container {
  max-width: 1024px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.tabs-header {
  display: flex;
  justify-content: center;
  margin-bottom: 3rem;
  border-bottom: 1px solid rgba(203, 213, 225, 0.5);
  overflow-x: auto;
}

.tab-button {
  padding: 1rem 2rem;
  font-size: 1.125rem;
  font-weight: 700;
  background: none;
  border: none;
  color: #94a3b8;
  cursor: pointer;
  transition: color 0.3s;
  position: relative;
  white-space: nowrap;
  font-family: "Cairo", "Amiri", serif;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.tab-button svg {
  width: 20px;
  height: 20px;
}

.tab-button:hover {
  color: #64748b;
}

.tab-button.active {
  color: #92400e;
}

.tab-button.active::after {
  content: "";
  position: absolute;
  bottom: 0;
  right: 0;
  width: 100%;
  height: 4px;
  background-color: #b45309;
  border-radius: 4px 4px 0 0;
}

.tabs-content {
  background-color: white;
  padding: 2rem;
  border-radius: 1rem;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  border: 1px solid rgba(226, 232, 240, 0.6);
  min-height: 400px;
}

@media (min-width: 768px) {
  .tabs-content {
    padding: 3rem;
  }
}

.tab-panel {
  display: none;
  animation: fadeIn 0.8s ease-out;
}

.tab-panel.active {
  display: block;
}

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

.panel-title {
  font-size: 1.875rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: #1e293b;
}

.panel-text {
  line-height: 1.75;
  color: #475569;
  font-size: 1.25rem;
}

.panel-intro {
  line-height: 1.75;
  color: #64748b;
  font-size: 1.125rem;
  margin-bottom: 2rem;
}

.bio-section {
  margin-bottom: 3rem;
}

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

.section-subtitle {
  font-size: 1.5rem;
  font-weight: 700;
  color: #0f172a;
  margin-bottom: 1.5rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid #fde68a;
}

/* Timeline Styles */
.timeline {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  margin-top: 1.5rem;
  position: relative;
  padding-right: 2rem;
}

.timeline::before {
  content: "";
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, #fde68a, #b45309);
}

.timeline-item {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
  position: relative;
}

.timeline-icon {
  width: 3rem;
  height: 3rem;
  background-color: #fef3c7;
  color: #b45309;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  position: relative;
  z-index: 10;
  border: 3px solid white;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.timeline-content {
  flex: 1;
  padding-top: 0.5rem;
}

.timeline-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: #0f172a;
  margin-bottom: 0.25rem;
}

.timeline-subtitle {
  font-size: 1rem;
  color: #b45309;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.timeline-description {
  font-size: 1rem;
  color: #64748b;
  line-height: 1.6;
}

.achievement-desc {
  font-size: 0.9375rem;
  color: #64748b;
  margin-top: 0.5rem;
  line-height: 1.6;
}

/* Projects List */
.projects-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.project-item {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
  padding: 1.5rem;
  background-color: #f8fafc;
  border-radius: 0.75rem;
  border: 1px solid #f1f5f9;
  transition: all 0.3s;
}

.project-item:hover {
  border-color: #fde68a;
  background-color: white;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.project-icon {
  font-size: 2rem;
  width: 3rem;
  height: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #fef3c7;
  border-radius: 0.5rem;
  flex-shrink: 0;
}

.project-content {
  flex: 1;
}

.project-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: #0f172a;
  margin-bottom: 0.5rem;
}

.project-desc {
  font-size: 1rem;
  color: #64748b;
  line-height: 1.6;
  margin-bottom: 0.75rem;
}

.project-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  color: #b45309;
  background-color: #fef3c7;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  border: 1px solid #fde68a;
}

/* Research Tags */
.research-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}

.tag {
  font-size: 0.875rem;
  font-weight: 600;
  color: #92400e;
  background-color: #fef3c7;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  border: 1px solid #fde68a;
}

/* Research Statistics */
.research-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-bottom: 3rem;
  padding: 2rem;
  background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
  border-radius: 1rem;
  border: 1px solid #fbbf24;
}

@media (min-width: 768px) {
  .research-stats {
    grid-template-columns: repeat(4, 1fr);
  }
}

.research-stat-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  background-color: white;
  border-radius: 0.75rem;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.stat-icon {
  font-size: 2rem;
  width: 3rem;
  height: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #fef3c7;
  border-radius: 50%;
  flex-shrink: 0;
}

.stat-info {
  flex: 1;
}

.stat-value {
  font-size: 1.75rem;
  font-weight: 700;
  color: #b45309;
  line-height: 1.2;
}

.stat-text {
  font-size: 0.875rem;
  color: #64748b;
  margin-top: 0.25rem;
}

/* Research Details */
.research-details {
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid #e2e8f0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.detail-item {
  font-size: 0.9375rem;
  color: #475569;
  line-height: 1.6;
}

.detail-item strong {
  color: #0f172a;
  font-weight: 700;
}

.status-active {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background-color: #dcfce7;
  color: #166534;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
  border: 1px solid #86efac;
}

/* Collaborations Section */
.collaborations-section {
  margin-top: 4rem;
  padding-top: 3rem;
  border-top: 2px solid #fde68a;
}

.collaborations-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: 1.5rem;
}

@media (min-width: 768px) {
  .collaborations-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.collaboration-card {
  padding: 1.5rem;
  background-color: #f8fafc;
  border-radius: 0.75rem;
  border: 1px solid #f1f5f9;
  transition: all 0.3s;
}

.collaboration-card:hover {
  border-color: #fde68a;
  background-color: white;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  transform: translateY(-2px);
}

.collab-icon {
  font-size: 2rem;
  margin-bottom: 0.75rem;
}

.collab-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: #0f172a;
  margin-bottom: 0.5rem;
}

.collab-desc {
  font-size: 0.9375rem;
  color: #64748b;
  line-height: 1.6;
  margin-bottom: 0.75rem;
}

.collab-period {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  color: #b45309;
  background-color: #fef3c7;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  border: 1px solid #fde68a;
}

/* Research Projects Section */
.projects-research-section {
  margin-top: 4rem;
  padding-top: 3rem;
  border-top: 2px solid #fde68a;
}

.research-projects-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.research-project-card {
  padding: 1.5rem;
  background-color: #f8fafc;
  border-radius: 0.75rem;
  border: 1px solid #f1f5f9;
  transition: all 0.3s;
}

.research-project-card:hover {
  border-color: #fde68a;
  background-color: white;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  transform: translateY(-2px);
}

.project-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1rem;
  gap: 1rem;
}

.project-name {
  font-size: 1.125rem;
  font-weight: 700;
  color: #0f172a;
  flex: 1;
}

.project-status {
  font-size: 0.75rem;
  font-weight: 600;
  color: #166534;
  background-color: #dcfce7;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  border: 1px solid #86efac;
  white-space: nowrap;
}

.project-description {
  font-size: 0.9375rem;
  color: #64748b;
  line-height: 1.6;
  margin-bottom: 1rem;
}

.project-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  padding-top: 1rem;
  border-top: 1px solid #e2e8f0;
}

.meta-item {
  font-size: 0.875rem;
  color: #475569;
  font-weight: 600;
}

/* Recent Publications Section */
.recent-publications-section {
  margin-top: 4rem;
  padding-top: 3rem;
  border-top: 2px solid #fde68a;
}

.recent-pubs-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.recent-pub-item {
  display: flex;
  gap: 1.5rem;
  padding: 1.5rem;
  background-color: #f8fafc;
  border-radius: 0.75rem;
  border: 1px solid #f1f5f9;
  transition: all 0.3s;
}

.recent-pub-item:hover {
  border-color: #fde68a;
  background-color: white;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.pub-year-badge {
  width: 4rem;
  height: 4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #b45309;
  color: white;
  border-radius: 0.5rem;
  font-size: 1.25rem;
  font-weight: 700;
  flex-shrink: 0;
}

.pub-content {
  flex: 1;
}

.pub-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: #0f172a;
  margin-bottom: 0.5rem;
  line-height: 1.4;
}

.pub-journal {
  font-size: 0.875rem;
  color: #b45309;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.pub-authors {
  font-size: 0.875rem;
  color: #64748b;
}

/* Awards Section */
.awards-section {
  margin-top: 4rem;
  padding-top: 3rem;
  border-top: 2px solid #fde68a;
}

.awards-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.award-item {
  display: flex;
  gap: 1.5rem;
  padding: 1.5rem;
  background-color: #f8fafc;
  border-radius: 0.75rem;
  border: 1px solid #f1f5f9;
  transition: all 0.3s;
}

.award-item:hover {
  border-color: #fde68a;
  background-color: white;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.award-icon {
  font-size: 2.5rem;
  flex-shrink: 0;
}

.award-content {
  flex: 1;
}

.award-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: #0f172a;
  margin-bottom: 0.5rem;
}

.award-org {
  font-size: 0.9375rem;
  color: #64748b;
}

/* Conferences Section */
.conferences-section {
  margin-top: 4rem;
  padding-top: 3rem;
  border-top: 2px solid #fde68a;
}

.conferences-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.conference-item {
  display: flex;
  gap: 1.5rem;
  padding: 1.5rem;
  background-color: #f8fafc;
  border-radius: 0.75rem;
  border: 1px solid #f1f5f9;
  transition: all 0.3s;
}

.conference-item:hover {
  border-color: #fde68a;
  background-color: white;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.conf-year {
  width: 4rem;
  height: 4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #fef3c7;
  color: #b45309;
  border-radius: 0.5rem;
  font-size: 1.25rem;
  font-weight: 700;
  flex-shrink: 0;
  border: 2px solid #fde68a;
}

.conf-content {
  flex: 1;
}

.conf-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: #0f172a;
  margin-bottom: 0.5rem;
}

.conf-location {
  font-size: 0.875rem;
  color: #b45309;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.conf-role {
  font-size: 0.9375rem;
  color: #64748b;
  line-height: 1.6;
}

/* Mobile Responsive */
@media (max-width: 767px) {
  .research-stats {
    grid-template-columns: 1fr;
  }

  .project-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .project-meta {
    flex-direction: column;
    gap: 0.5rem;
  }

  .recent-pub-item,
  .award-item,
  .conference-item {
    flex-direction: column;
  }

  .pub-year-badge,
  .conf-year {
    width: 100%;
    height: 3rem;
  }
}

/* Publications Section */
.publications-section {
  margin-bottom: 3rem;
}

.publications-section:last-child {
  margin-bottom: 0;
}

.publication-main {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex: 1;
}

@media (min-width: 768px) {
  .publication-main {
    flex-direction: row;
    align-items: center;
    gap: 1rem;
  }
}

.publication-year {
  font-size: 0.875rem;
  color: #64748b;
  font-weight: 600;
  white-space: nowrap;
}

.achievements-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: 2rem;
}

@media (min-width: 768px) {
  .achievements-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.achievement-card {
  display: flex;
  align-items: flex-start;
  padding: 1.5rem;
  background-color: #f8fafc;
  border-radius: 0.75rem;
  border: 1px solid #f1f5f9;
  transition: all 0.3s;
}

.achievement-card:hover {
  border-color: #fde68a;
  background-color: white;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.achievement-icon {
  padding: 0.75rem;
  background-color: #fef3c7;
  color: #b45309;
  border-radius: 50%;
  margin-left: 1rem;
}

.achievement-info {
  flex: 1;
}

.achievement-title {
  font-weight: 700;
  font-size: 1.125rem;
  color: #0f172a;
  margin-bottom: 0.25rem;
}

.achievement-subtitle {
  color: #b45309;
  font-weight: 600;
  font-size: 0.9375rem;
  margin-bottom: 0.5rem;
}

/* Research List */
.research-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.research-item {
  display: flex;
  align-items: flex-start;
  padding: 1.5rem;
  border: 1px solid #f1f5f9;
  border-radius: 0.75rem;
  transition: all 0.3s;
  cursor: pointer;
}

.research-item:hover {
  border-color: #fde68a;
  background-color: #f8fafc;
}

.research-icon {
  background-color: #fef3c7;
  color: #92400e;
  padding: 1rem;
  border-radius: 0.5rem;
  margin-left: 1.5rem;
  transition: all 0.3s;
}

.research-item:hover .research-icon {
  background-color: #b45309;
  color: white;
}

.research-content {
  flex: 1;
}

.research-title {
  font-weight: 700;
  font-size: 1.25rem;
  color: #0f172a;
  transition: color 0.3s;
  margin-bottom: 0.5rem;
}

.research-item:hover .research-title {
  color: #92400e;
}

.research-desc {
  color: #64748b;
  margin-top: 0.5rem;
  font-size: 1.125rem;
  line-height: 1.75;
}

/* Publications List */
.publications-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.publication-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem;
  background-color: #f8fafc;
  border-radius: 0.5rem;
  border: 1px solid transparent;
  transition: all 0.3s;
  cursor: pointer;
  gap: 1rem;
}

.publication-item:hover {
  background-color: white;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  border-color: #e2e8f0;
}

.publication-item svg {
  color: #94a3b8;
  margin-left: 1rem;
  transition: color 0.3s;
}

.publication-item:hover svg {
  color: #d97706;
}

.publication-title {
  font-weight: 700;
  font-size: 1.125rem;
  color: #475569;
  transition: color 0.3s;
  line-height: 1.5;
}

.publication-item:hover .publication-title {
  color: #0f172a;
}

.publication-badge {
  font-size: 0.75rem;
  font-weight: 700;
  color: #b45309;
  background-color: #fef3c7;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  border: 1px solid #fde68a;
}

/* Footer */
.footer {
  background-color: #0f172a;
  color: #94a3b8;
  padding: 3rem 0;
  text-align: center;
  font-size: 0.875rem;
  border-top: 1px solid #1e293b;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.footer-icons {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.footer-icons svg {
  cursor: pointer;
  transition: color 0.3s;
}

.footer-icons svg:hover {
  color: white;
}

/* Disclaimer Banner */
.disclaimer-banner {
  background: linear-gradient(
    135deg,
    rgba(239, 68, 68, 0.15) 0%,
    rgba(234, 179, 8, 0.15) 100%
  );
  border-top: 1px solid rgba(239, 68, 68, 0.3);
  border-bottom: 1px solid rgba(239, 68, 68, 0.3);
  padding: 1rem 1.5rem;
  position: relative;
  z-index: 30;
}

.disclaimer-top {
  position: relative;
  width: 100%;
  backdrop-filter: blur(10px);
  z-index: 40;
}

.disclaimer-bottom {
  margin-top: 4rem;
  margin-bottom: 0;
}

.disclaimer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
  text-align: center;
}

.disclaimer-icon {
  font-size: 1.25rem;
  flex-shrink: 0;
}

.disclaimer-text {
  color: #b45309;
  font-size: 0.875rem;
  line-height: 1.6;
  margin: 0;
  flex: 1;
  min-width: 200px;
  font-weight: 500;
}

.disclaimer-link {
  color: #16a34a;
  text-decoration: underline;
  font-weight: 700;
  transition: color 0.3s;
}

.disclaimer-link:hover {
  color: #15803d;
}

@media (max-width: 768px) {
  .disclaimer-banner {
    padding: 0.75rem 1rem;
  }

  .disclaimer-text {
    font-size: 0.75rem;
  }

  .disclaimer-icon {
    font-size: 1rem;
  }

  .disclaimer-content {
    gap: 0.5rem;
  }
}

/* Mobile Menu */
@media (max-width: 767px) {
  .nav-toggle {
    display: block;
  }

  .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: white;
    border-bottom: 1px solid #e2e8f0;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    padding: 1rem 1.5rem;
    flex-direction: column;
    gap: 1rem;
  }

  .nav-menu.active {
    display: flex;
    animation: fadeIn 0.3s ease-out;
  }

  .nav-link {
    font-size: 1.125rem;
    font-weight: 600;
    color: #64748b;
    padding: 0.5rem 0;
  }

  .nav-exit {
    border-right: none;
    border-top: 1px solid #f1f5f9;
    padding-right: 0;
    padding-top: 1rem;
    margin-right: 0;
    color: #ef4444;
  }

  .hero-title {
    font-size: 2.5rem;
  }

  .hero-subtitle {
    font-size: 1.5rem;
  }

  .hero-description {
    font-size: 1.125rem;
  }

  .timeline {
    padding-right: 1.5rem;
  }

  .timeline-icon {
    width: 2.5rem;
    height: 2.5rem;
  }

  .tab-button {
    padding: 0.75rem 1rem;
    font-size: 1rem;
  }

  .tab-button svg {
    width: 18px;
    height: 18px;
  }

  .publication-main {
    flex-direction: column;
    align-items: flex-start;
  }
}