/* Global Styles */
:root {
  /* Light theme colors */
  --light-bg-primary: #ffffff;
  --light-bg-secondary: #f5f5f5;
  --light-text-primary: #333333;
  --light-text-secondary: #666666;
  --light-accent: #4a6fa5;
  --light-accent-hover: #3a5a80;
  
  /* Dark theme colors */
  --dark-bg-primary: #1a1a1a;
  --dark-bg-secondary: #2d2d2d;
  --dark-text-primary: #ffffff;
  --dark-text-secondary: #cccccc;
  --dark-accent: #6b8fbf;
  --dark-accent-hover: #8aa5c5;
  
  /* Animation properties */
  --particle-count: 50;
}

/* Theme variables */
:root {
  /* Default to light theme */
  --bg-primary: var(--light-bg-primary);
  --bg-secondary: var(--light-bg-secondary);
  --text-primary: var(--light-text-primary);
  --text-secondary: var(--light-text-secondary);
  --accent-color: var(--light-accent);
  --accent-hover: var(--light-accent-hover);
}

/* Dark theme override */
[data-theme="dark"] {
  --bg-primary: var(--dark-bg-primary);
  --bg-secondary: var(--dark-bg-secondary);
  --text-primary: var(--dark-text-primary);
  --text-secondary: var(--dark-text-secondary);
  --accent-color: var(--dark-accent);
  --accent-hover: var(--dark-accent-hover);
}

/* Base styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  transition: background-color 0.3s ease, color 0.3s ease;
  min-height: 100vh;
  position: relative;
}

/* Theme switcher */
.theme-switcher {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 1000;
}

.theme-icon {
  font-size: 24px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 5px;
  border-radius: 50%;
  transition: transform 0.3s ease;
}

.theme-icon:hover {
  transform: scale(1.1);
}

/* Hero section */
.hero {
  text-align: center;
  padding: 80px 20px;
  margin-bottom: 40px;
}

.hero h1 {
  font-size: 2.5rem;
  margin-bottom: 20px;
  color: var(--accent-color);
}

.hero p {
  font-size: 1.2rem;
  color: var(--text-secondary);
  max-width: 800px;
  margin: 0 auto;
}

/* Features section */
.features {
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
  gap: 20px;
  padding: 40px 20px;
  margin-bottom: 40px;
}

.feature-card {
  background: var(--bg-secondary);
  border-radius: 10px;
  padding: 20px;
  width: 250px;
  box-shadow: 0 4px 8px rgba(0,0,0,0.1);
  transition: transform 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-5px);
}

.feature-card h2 {
  color: var(--accent-color);
  margin-bottom: 10px;
}

/* Team structure */
.team-structure {
  padding: 40px 20px;
  text-align: center;
  margin-bottom: 40px;
}

.team-structure h2 {
  color: var(--accent-color);
  margin-bottom: 20px;
}

.team-structure ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 15px;
}

.team-structure li {
  background: var(--bg-secondary);
  padding: 10px 20px;
  border-radius: 5px;
  margin: 5px;
}

/* Responsive design */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2rem;
  }
  
  .features {
    flex-direction: column;
    align-items: center;
  }
  
  .feature-card {
    width: 100%;
    max-width: 300px;
  }
  
  .team-structure ul {
    flex-direction: column;
    align-items: center;
  }
}