* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  line-height: 1.6;
  color: #333;
  background-color: #f8f9fa;
}

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

/* Header Styles */
.header {
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
  padding: 60px 0;
  text-align: center;
}

.app-icon {
  margin-bottom: 30px;
}

.icon-bg {
  width: 80px;
  height: 80px;
  background: #16a085;
  border-radius: 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 30px rgba(32, 201, 151, 0.3);
}

.icon-bg i {
  font-size: 40px;
  color: white;
}

.main-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: #16a085;
  margin-bottom: 15px;
}

.subtitle {
  font-size: 1.2rem;
  color: #6c757d;
  margin-bottom: 10px;
}

.powered-by {
  font-size: 0.9rem;
  color: #6c757d;
  margin-bottom: 40px;
}

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

.download-btn {
  display: inline-block;
  transition: transform 0.3s ease;
}

.download-btn:hover {
  transform: translateY(-3px);
}

.download-btn img {
  height: 60px;
  width: auto;
}


.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
  gap: 40px;
  margin-top: 40px;
}

.feature-card {
  background: white;
  border-radius: 20px;
  padding: 20px 40px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.feature-tag {
  display: inline-block;
  background: #16a085;
  color: white;
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 20px;
}

.feature-card h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: #2c3e50;
  margin-bottom: 30px;
}

.feature-content {
  display: flex;
  gap: 30px;
  align-items: center;
}

.phone-mockup {
  flex-shrink: 0;
}

.phone-mockup img {
  width: 200px;
  height: 400px;
  object-fit: cover;
  border-radius: 25px;
}

.feature-list {
  flex: 1;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 15px;
  margin-bottom: 25px;
}

.feature-item i {
  color: #16a085;
  font-size: 1.2rem;
  margin-top: 3px;
  flex-shrink: 0;
}

.feature-item strong {
  display: block;
  color: #2c3e50;
  font-weight: 600;
  margin-bottom: 5px;
}

.feature-item p {
  color: #6c757d;
  font-size: 0.9rem;
  line-height: 1.4;
}

/* Testimonials Section */
.testimonials {
  background: white;
  padding-top: 30px;
  padding-bottom: 80px;
}

.testimonials h2 {
  text-align: center;
  font-size: 2.5rem;
  font-weight: 700;
  color: #2c3e50;
  margin-bottom: 60px;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 30px;
}

.testimonial-card {
  background: #f8f9fa;
  padding: 30px;
  border-radius: 15px;
  border-left: 4px solid #16a085;
}

.stars {
  color: #ffc107;
  margin-bottom: 20px;
}

.stars i {
  margin-right: 3px;
}

.testimonial-card p {
  color: #495057;
  line-height: 1.6;
  margin-bottom: 20px;
  font-style: italic;
}

.author {
  color: #2c3e50;
  font-weight: 600;
}

/* Footer */
.footer {
  background: #2c3e50;
  color: white;
  padding: 30px 0;
  text-align: center;
}

.footer .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-links {
  display: flex;
  gap: 30px;
}

.footer-links a {
  color: #16a085;
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-links a:hover {
  color: #17a2b8;
}

/* Responsive Design */
@media (max-width: 768px) {
  .main-title {
    font-size: 2rem;
  }

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

  .feature-content {
    flex-direction: column;
    text-align: center;
  }

  .phone-mockup {
    align-self: center;
  }

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

  .footer .container {
    flex-direction: column;
    text-align: center;
  }

  .download-buttons {
    flex-direction: column;
    align-items: center;
  }
}

@media (max-width: 480px) {
  .feature-card {
    padding: 25px;
  }

  .phone-mockup img {
    width: 150px;
    height: 300px;
  }

  .testimonials h2 {
    font-size: 2rem;
  }
}

/* Animation */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.feature-card {
  animation: fadeInUp 0.6s ease forwards;
}

.feature-card:nth-child(even) {
  animation-delay: 0.2s;
}

.testimonial-card {
  animation: fadeInUp 0.6s ease forwards;
}

.testimonial-card:nth-child(2) {
  animation-delay: 0.2s;
}

.testimonial-card:nth-child(3) {
  animation-delay: 0.4s;
}