body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  background-color: #ffffff;
  color: #222;
  line-height: 1.6;
  padding: 0 16px;
  background-image: linear-gradient(to bottom right, #f9fbfc, #e3f2f9);
}

header, main, footer {
  max-width: 600px;
  margin: 0 auto;
  padding: 20px;
  text-align: center;
}

.hero-image {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: 0 4px 8px rgba(0,0,0,0.2);
  margin: 40px auto 10px;
  transition: transform 0.3s ease;
}

.hero-image:hover {
  transform: scale(1.05);
}

h1 {
  font-size: 1.8rem;
  margin: 10px 0;
  color: #003366;
}

.lead {
  font-size: 1rem;
  line-height: 1.6;
  margin-bottom: 20px;
  padding: 0 10px;
  background: #eaf5ff;
  border-radius: 8px;
  padding: 12px;
}

.cta-btn {
  background: #25d366;
  color: white;
  padding: 12px 20px;
  text-decoration: none;
  border-radius: 50px;
  font-weight: bold;
  display: inline-block;
  transition: all 0.3s ease;
  box-shadow: 0 0 12px rgba(0, 195, 0, 0.5);
}

.cta-btn:hover {
  background: #1ebc59;
  transform: scale(1.05);
}

.bottom-cta-btn {
  background: #25d366;
  color: white;
  padding: 12px 20px;
  text-decoration: none;
  border-radius: 50px;
  font-weight: bold;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 16px 0;
  transition: all 0.3s ease;
  box-shadow: 0 0 12px rgba(0, 195, 0, 0.5);
  animation: floatUpDown 2s infinite;
}

.bottom-cta-btn img {
  width: 20px;
  height: 20px;
}

.bottom-cta-btn:hover {
  background: #1ebc59;
  transform: scale(1.05);
}

.promo-image {
  max-width: 100%;
  border-radius: 12px;
  margin: 20px 0;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
  transition: transform 0.3s ease;
}

.promo-image:hover {
  transform: scale(1.02);
}

footer {
  font-size: 0.8rem;
  color: #666;
  padding: 20px 10px;
}

footer a {
  margin: 0 8px;
  color: #007aff;
  text-decoration: none;
}

@keyframes floatUpDown {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-5px); }
}

@media (max-width: 480px) {
  body {
    padding: 0 12px;
  }

  .lead {
    font-size: 0.95rem;
    padding: 10px;
  }

  .cta-btn, .bottom-cta-btn {
    padding: 10px 16px;
    font-size: 0.95rem;
  }

  h1 {
    font-size: 1.5rem;
  }

  .hero-image {
    width: 100px;
    height: 100px;
  }

  .promo-image {
    border-radius: 8px;
  }
}