body {
  font-family: 'Inter', sans-serif;
  background: #f9fbfd;
  color: #1e1e1e;
  margin: 0;
  padding: 0;
  line-height: 1.8;
}
header, footer {
  background: #0C2037;
  color: white;
  text-align: center;
  padding: 2rem 1rem;
}
.section {
  max-width: 800px;
  margin: 3rem auto;
  padding: 0 1.5rem;
}
.hero {
  background: white;
  border-radius: 12px;
  padding: 3rem 2rem;
  text-align: center;
  box-shadow: 0 4px 16px rgba(0,0,0,0.06);
}
h1, h2, h3 {
  color: #0C2037;
  margin-bottom: 1rem;
}
h1 {
  font-size: 2rem;
}
p {
  margin-bottom: 1.2rem;
}
ul {
  padding-left: 1.5rem;
  margin-bottom: 1.5rem;
}
li {
  margin-bottom: 0.7rem;
}
.btn {
  background: #0C2037;
  color: white;
  padding: 1rem 2rem;
  border-radius: 8px;
  font-weight: 600;
  text-decoration: none;
  display: inline-block;
  margin-top: 2rem;
  transition: background 0.3s ease;
}
.btn:hover {
  background: #183859;
}
.note {
  font-size: 0.9rem;
  color: #666;
  margin-top: 1rem;
}
.testimonial {
  background: #ffffff;
  border-left: 5px solid #0099ff;
  padding: 1.5rem;
  margin-bottom: 2rem;
  box-shadow: 0 4px 16px rgba(0,0,0,0.06);
  border-radius: 8px;
}
.quote {
  font-style: italic;
  color: #444;
  margin-top: 1rem;
  margin-bottom: 0.5rem;
}
.illustration {
  display: block;
  width: 100%;
  max-width: 450px;
  height: auto;
  margin: 2rem auto;
  border-radius: 8px;
}

/* 📱 Mobile Optimization */
@media (max-width: 480px) {
  h1 {
    font-size: 1.5rem;
    line-height: 1.4;
  }

  .hero {
    padding: 2rem 1.2rem;
  }

  .section {
    padding: 0 1rem;
    margin: 2rem auto;
  }

  .illustration {
    max-width: 100%;
    border-radius: 6px;
  }
}