/* Reset and base styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: #333;
  background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
  min-height: 100vh;
}

/* Header styles */
header {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: 2em 1em;
  text-align: center;
  box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

header h1 {
  font-size: 2.5em;
  font-weight: 700;
  text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
  letter-spacing: 2px;
}

/* Navigation styles */
nav {
  background: rgba(255,255,255,0.95);
  padding: 1em;
  text-align: center;
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(0,0,0,0.1);
}

nav button {
  margin: 0 0.5em;
  padding: 0.8em 1.5em;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  border: none;
  border-radius: 25px;
  cursor: pointer;
  font-weight: 600;
  transition: all 0.3s ease;
  box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

nav button:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0,0,0,0.3);
}

nav button:active {
  transform: translateY(0);
}

/* Main content styles */
main {
  padding: 3em 2em;
  max-width: 1200px;
  margin: 0 auto;
}

.lang-section {
  display: none;
  animation: fadeIn 0.5s ease-in;
}

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

/* Typography */
h2 {
  color: #4a5568;
  font-size: 2em;
  margin: 2em 0 1em 0;
  text-align: center;
  position: relative;
}

h2::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border-radius: 2px;
}

h3 {
  color: #2d3748;
  margin-bottom: 0.5em;
  font-size: 1.3em;
}

p {
  margin-bottom: 1em;
  font-size: 1.1em;
  color: #4a5568;
}

/* Services grid */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2em;
  margin: 2em 0;
}

.service-card {
  background: white;
  padding: 2em;
  border-radius: 15px;
  box-shadow: 0 8px 25px rgba(0,0,0,0.1);
  transition: all 0.3s ease;
  border: 1px solid rgba(0,0,0,0.05);
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 35px rgba(0,0,0,0.15);
}

.service-card h3 {
  color: #667eea;
  margin-bottom: 1em;
  font-size: 1.4em;
}

.service-card p {
  color: #666;
  line-height: 1.7;
}

/* Benefits list */
.benefits-list {
  list-style: none;
  background: white;
  padding: 2em;
  border-radius: 15px;
  box-shadow: 0 8px 25px rgba(0,0,0,0.1);
  margin: 2em 0;
}

.benefits-list li {
  padding: 0.8em 0;
  font-size: 1.1em;
  color: #4a5568;
  border-bottom: 1px solid rgba(0,0,0,0.05);
}

.benefits-list li:last-child {
  border-bottom: none;
}

/* Contact info */
.contact-info {
  background: white;
  padding: 2em;
  border-radius: 15px;
  box-shadow: 0 8px 25px rgba(0,0,0,0.1);
  margin: 2em 0;
}

.contact-info p {
  margin-bottom: 1em;
  font-size: 1.1em;
}

.contact-info strong {
  color: #667eea;
  font-weight: 600;
}

/* Footer styles */
footer {
  background: linear-gradient(135deg, #2d3748 0%, #4a5568 100%);
  color: white;
  padding: 2em 1em;
  text-align: center;
  margin-top: 3em;
}

/* Responsive design */
@media (max-width: 768px) {
  header h1 {
    font-size: 2em;
  }
  
  main {
    padding: 2em 1em;
  }
  
  .services-grid {
    grid-template-columns: 1fr;
    gap: 1.5em;
  }
  
  nav button {
    margin: 0.2em;
    padding: 0.6em 1.2em;
  }
  
  h2 {
    font-size: 1.6em;
  }
}