/* Global styles */
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  color: #333;
  line-height: 1.6;
}

html {
  scroll-behavior: smooth;
}

/* Custom container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* Section spacing */
section {
  padding: 5rem 0;
}

/* Main content padding to account for fixed header */
main {
  padding-top: 80px;
}

/* Language switcher */
#language-toggle {
  cursor: pointer;
  transition: transform 0.2s ease;
}

#language-toggle:hover {
  transform: scale(1.1);
}

/* Mobile menu */
#mobile-menu {
  transition: opacity 0.3s ease;
}

/* Publication cards */
.publication-card {
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.publication-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

/* Form elements */
input, textarea {
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

input:focus, textarea:focus {
  border-color: #3b82f6;
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.3);
}

/* Button styles */
button, .btn {
  transition: background-color 0.2s ease, transform 0.1s ease;
}

button:hover, .btn:hover {
  transform: translateY(-1px);
}

button:active, .btn:active {
  transform: translateY(1px);
}

/* Timeline for education and experience */
.timeline {
  position: relative;
  padding-left: 2rem;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 2px;
  background-color: #e5e7eb;
}

.timeline-item {
  position: relative;
  padding-bottom: 2rem;
}

.timeline-item::before {
  content: '';
  position: absolute;
  top: 0.25rem;
  left: -2rem;
  width: 1rem;
  height: 1rem;
  border-radius: 50%;
  background-color: #3b82f6;
  border: 2px solid white;
}

/* Content sections visibility */
.content-section {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
  display: none;
}

.content-section.active {
  opacity: 1;
  transform: translateY(0);
  display: block;
}

/* Partner logos */
.partner-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  transition: transform 0.2s ease;
}

.partner-logo:hover {
  transform: scale(1.05);
}

.partner-logo img {
  max-width: 100%;
  height: auto;
}

/* Publication item styling */
.publication-item {
  border-left: 4px solid #3b82f6;
  padding-left: 1rem;
}

/* CV container */
.cv-container {
  width: 100%;
  height: 800px;
  border: 1px solid #e5e7eb;
  border-radius: 0.5rem;
  overflow: hidden;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .header-nav {
    display: none;
  }
  
  .mobile-menu-button {
    display: block;
  }
  
  .timeline {
    padding-left: 1.5rem;
  }
  
  .timeline-item::before {
    left: -1.5rem;
    width: 0.75rem;
    height: 0.75rem;
  }
  
  /* Force text wrapping on mobile */
  p, h1, h2, h3, h4, a {
    word-break: break-word;
    overflow-wrap: break-word;
  }
  
  /* Reduce font size on small screens */
  .text-xl {
    font-size: 1.1rem;
  }
  
  /* Adjust padding for better mobile viewing */
  .container {
    padding: 0 1rem;
  }
  
  /* Adjust partner logos grid for mobile */
  .partner-logo img {
    max-height: 60px;
  }
}

@media (min-width: 769px) {
  .mobile-menu-button {
    display: none;
  }
}