body {
  font-family: 'Inter', sans-serif;
  margin: 0;
  line-height: 1.6;
  color: #222;
}

.hero {
  background: linear-gradient(135deg, #1abc9c, #16a085);
  color: #fff;
  text-align: center;
  padding: 5rem 1rem;
}

.hero h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.features,
.testimonials,
.cta {
  max-width: 960px;
  margin: 0 auto;
  padding: 4rem 1rem;
}

.features h2,
.testimonials h2,
.cta h2 {
  text-align: center;
  margin-bottom: 2rem;
}

.feature-list {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  justify-content: center;
}

.feature-item {
  flex: 1 1 260px;
  background: #ecf9f8;
  padding: 1.5rem;
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.testimonial-list blockquote {
  margin: 1rem auto;
  max-width: 600px;
  font-style: italic;
  position: relative;
}

.testimonial-list cite {
  display: block;
  margin-top: 0.5rem;
  text-align: right;
  font-style: normal;
}

.cta {
  background: #1abc9c;
  color: #fff;
  text-align: center;
  border-radius: 8px;
}

.cta-btn {
  display: inline-block;
  background: #fff;
  color: #1abc9c;
  padding: 0.75rem 2rem;
  margin-top: 1rem;
  border-radius: 4px;
  text-decoration: none;
  font-weight: 600;
}

.site-footer {
  text-align: center;
  padding: 2rem 1rem;
  background: #f0f0f0;
}

/* Responsive */
@media (max-width: 600px) {
  .hero h1 {
    font-size: 2rem;
  }
  .feature-list {
    flex-direction: column;
  }
}