/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

.hero-image {
  border-radius: 42px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
  max-width: 300px;
  border: 6px solid #fff;
}

:root {
  --primary-color: #6750a4;
  --primary-dark: #5239a1;
  --secondary-color: #03dac6;
  --text-primary: #1c1b1f;
  --text-secondary: #49454f;
  --background: #fffbfe;
  --surface: #ffffff;
  --surface-variant: #e7e0ec;
  --border-color: #cac4d0;
  --success: #00c853;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
  --border-radius: 12px;
  --transition: all 0.3s ease;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--background);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* Header */
.header {
  background-color: var(--surface);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-sm) 0;
}

.logo h1 {
  color: var(--primary-color);
  font-size: 1.8rem;
  font-weight: 700;
}

.nav-links {
  display: flex;
  gap: var(--spacing-md);
}

.nav-links a {
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
}

.nav-links a:hover {
  color: var(--primary-color);
}

/* Hero Section */
.hero {
  padding: var(--spacing-xl) 0;
  background: linear-gradient(135deg, #f5f3ff 0%, #fff 100%);
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  align-items: center;
}

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

.hero-title {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-sm);
}

.btn {
  display: inline-block;
  padding: 1rem 2rem;
  border-radius: var(--border-radius);
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
  cursor: pointer;
}

.btn-primary {
  background-color: var(--primary-color);
  color: white;
}

.btn-primary:hover {
  background-color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(103, 80, 164, 0.3);
}

.btn-secondary {
  background-color: transparent;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
  background-color: var(--primary-color);
  color: white;
}

.phone-mockup {
  max-width: 300px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Features Section */
.features {
  padding: var(--spacing-xl) 0;
  background-color: var(--surface);
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: var(--spacing-lg);
  color: var(--text-primary);
}

.section-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  text-align: center;
  margin-bottom: var(--spacing-lg);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-md);
}

.feature-card {
  background-color: var(--background);
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.feature-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-sm);
}

.feature-card h3 {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

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

/* Insights Section */
.insights {
  padding: var(--spacing-xl) 0;
  background: linear-gradient(135deg, #f5f3ff 0%, #fff 100%);
}

.insights-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-md);
}

.insight-card {
  background-color: var(--surface);
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  text-align: center;
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.insight-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
  border-color: var(--primary-color);
}

.insight-icon {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-sm);
}

.insight-card h3 {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-xs);
  color: var(--text-primary);
}

.insight-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* Download Section */
.download {
  padding: var(--spacing-xl) 0;
  background-color: var(--surface);
  text-align: center;
}

.download-buttons {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

.store-button {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: 1rem 2rem;
  background-color: var(--text-primary);
  color: white;
  border-radius: var(--border-radius);
  text-decoration: none;
  transition: var(--transition);
  min-width: 200px;
}

.store-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.store-icon {
  font-size: 2.5rem;
}

.store-text {
  font-size: 0.85rem;
  text-align: left;
}

.store-name {
  font-size: 1.25rem;
  font-weight: 600;
  text-align: left;
}

/* Footer */
.footer {
  background-color: var(--text-primary);
  color: white;
  padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

.footer-section h3 {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
}

.footer-section h4 {
  font-size: 1.1rem;
  margin-bottom: var(--spacing-sm);
}

.footer-section p {
  color: rgba(255, 255, 255, 0.7);
}

.footer-section ul {
  list-style: none;
}

.footer-section ul li {
  margin-bottom: var(--spacing-xs);
}

.footer-section a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: var(--transition);
}

.footer-section a:hover {
  color: white;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--spacing-md);
  text-align: center;
  color: rgba(255, 255, 255, 0.5);
}

/* Responsive Design */
@media (max-width: 768px) {
  .hero .container {
    grid-template-columns: 1fr;
  }

  .hero-title {
    font-size: 2rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .hero-buttons {
    flex-direction: column;
  }

  .nav-links {
    gap: var(--spacing-sm);
  }

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

  .features-grid {
    grid-template-columns: 1fr;
  }

  .insights-grid {
    grid-template-columns: 1fr;
  }

  .phone-mockup {
    max-width: 250px;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 1.75rem;
  }

  .nav-links {
    font-size: 0.9rem;
    gap: 0.5rem;
  }

  .logo h1 {
    font-size: 1.5rem;
  }
}