header {
  background-color: white;
  box-shadow: var(--shadow-sm);
  padding: 15px 0;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 24px;
  font-weight: 700;
  color: var(--primary-color);
}

.logo img {
  height: 40px;
  border-radius: 50%;
}

.nav-buttons {
  display: flex;
  gap: 15px;
}

.hero {
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
  color: white;
  text-align: center;
  padding: 60px 20px;
}

.hero-content {
  max-width: 600px;
}

.hero-icon {
  width: 120px;
  height: 120px;
  margin: 0 auto 30px;
  background-color: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 56px;
}

.hero h1 {
  font-size: 48px;
  font-weight: 800;
  margin-bottom: 15px;
}

.hero p {
  font-size: 20px;
  margin-bottom: 40px;
  opacity: 0.9;
}

.hero-buttons {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
}

.features {
  padding: 80px 20px;
  background-color: white;
}

.features h2 {
  text-align: center;
  font-size: 32px;
  font-weight: 700;
  color: var(--dark-color);
  margin-bottom: 40px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
}

.feature-card {
  background-color: var(--light-color);
  border-radius: 16px;
  padding: 30px;
  text-align: center;
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.feature-card i {
  font-size: 40px;
  color: var(--primary-color);
  margin-bottom: 20px;
}

.feature-card h3 {
  font-size: 20px;
  color: var(--dark-color);
  margin-bottom: 10px;
}

.feature-card p {
  color: var(--text-secondary);
  line-height: 1.6;
}

.about {
  padding: 80px 20px;
  background-color: var(--light-color);
  text-align: center;
}

.about h2 {
  font-size: 32px;
  font-weight: 700;
  color: var(--dark-color);
  margin-bottom: 20px;
}

.about p {
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.8;
}

footer {
  background-color: var(--dark-color);
  color: #9CA3AF;
  padding: 30px 20px;
  text-align: center;
}

footer a {
  color: #9CA3AF;
  text-decoration: none;
  transition: var(--transition);
}

footer a:hover {
  color: white;
}

@media (max-width: 768px) {
  .hero h1 {
    font-size: 32px;
  }
  
  .hero p {
    font-size: 16px;
  }
  
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .hero-buttons .btn {
    width: 100%;
    max-width: 250px;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
}