/* Reset & basic styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.6;
  color: #1a1a1a;
}

a {
  text-decoration: none;
}

/* Buttons */
.btn-primary {
  background: #16a34a;
  color: white;
  padding: 12px 25px;
  border-radius: 8px;
  font-weight: bold;
  transition: all 0.3s ease;
}

.btn-primary:hover {
  background: #13803d;
}

.btn-secondary {
  background: #2563eb;
  color: white;
  padding: 10px 20px;
  border-radius: 6px;
  margin: 5px;
  display: inline-block;
}

.btn-secondary:hover {
  background: #1e40af;
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, #3b82f6, #1e40af);
  color: white;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 0 20px;
}

.hero h1 {
  font-size: 3rem;
  margin-bottom: 20px;
}

.hero p {
  font-size: 1.2rem;
  margin-bottom: 30px;
}

/* Features Section */
.features {
  padding: 80px 20px;
  text-align: center;
  background: #f9f9f9;
}

.features h2 {
  font-size: 2.5rem;
  margin-bottom: 50px;
}

.feature-cards {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 30px;
}

.feature-card {
  background: white;
  padding: 30px;
  border-radius: 12px;
  width: 300px;
  box-shadow: 0 5px 20px rgba(0,0,0,0.1);
  transition: transform 0.3s ease;
}

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

.feature-card h3 {
  margin-bottom: 15px;
  color: #16a34a;
}

/* App Preview Section */
.app-preview {
  padding: 80px 20px;
  text-align: center;
  background: #e0f2fe;
}

.app-preview h2 {
  font-size: 2.5rem;
  margin-bottom: 20px;
}

.download-buttons {
  margin-top: 20px;
}

/* Footer */
footer {
  background: #1e40af;
  color: white;
  padding: 20px;
  text-align: center;
}

/* Responsive */
@media (max-width: 768px) {
  .feature-cards {
    flex-direction: column;
    align-items: center;
  }
}