:root {
  --primary-blue: #2196f3;
  --text-color: #ffffff;
  --background-dark: #121212;
  --card-background: rgba(255, 255, 255, 0.05);
  --border-color: rgba(255, 255, 255, 0.1);
}

body {
  font-family: 'Lato', sans-serif;
  background-color: var(--background-dark);
  color: var(--text-color);
  line-height: 1.6;
  margin: 0;
  padding: 0;
}

.modern-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.modern-navbar {
  background: rgba(0, 0, 0, 0.2);
  backdrop-filter: blur(10px);
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
  padding: 20px 0;
}

.modern-button {
  display: inline-flex;
  align-items: center;
  padding: 12px 24px;
  background: var(--primary-blue);
  color: white;
  text-decoration: none;
  border-radius: 8px;
  font-weight: 500;
  transition: all 0.3s ease;
}

.modern-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(33, 150, 243, 0.3);
}

.modern-hero {
  padding: 160px 0 80px;
  text-align: center;
}

.modern-heading {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 30px;
  background: linear-gradient(135deg, #fff 0%, rgba(255,255,255,0.8) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.modern-section {
  padding: 100px 0;
}

.modern-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}

.modern-card {
  background: var(--card-background);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 30px;
  transition: transform 0.3s ease;
}

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

.section-heading {
  font-size: 2.5rem;
  margin-bottom: 40px;
  text-align: center;
}

.modern-input {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  color: white;
  padding: 15px;
  width: 100%;
  font-size: 1rem;
  transition: border-color 0.3s ease;
}

.modern-input:focus {
  outline: none;
  border-color: var(--primary-blue);
}

.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid rgba(255, 255, 255, 0.1);
  border-left-color: white;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

@media (max-width: 768px) {
  .modern-heading {
    font-size: 2.5rem;
  }

  .modern-stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .modern-section {
    padding: 60px 0;
  }
}

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

  .section-heading {
    font-size: 2rem;
  }
}