body {
  font-family: system-ui, sans-serif;
  margin: 0;
  background: #f5f7f4;
  color: #0c3b2e;
  line-height: 1.6;
}

.container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 1.5rem;
}

.site-header {
  background: #ffffffcc;
  backdrop-filter: blur(8px);
  border-bottom: 1px solid #e2ebe5;
  position: sticky;
  top: 0;
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand {
  font-weight: 700;
  color: #0c3b2e;
  font-size: 1.2rem;
}

.primary-nav a {
  margin-left: 1rem;
  color: #1a6f4a;
  text-decoration: none;
}

.hero {
  background: linear-gradient(180deg, #e9f3ee, #f5f7f4);
  padding: 4rem 0;
  text-align: center;
}

.btn {
  background: #1a6f4a;
  color: #fff;
  padding: 0.6rem 1.2rem;
  border-radius: 999px;
  text-decoration: none;
}

.section {
  padding: 3rem 0;
}

.alt {
  background: #ffffff;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
}

.card {
  background: white;
  border-radius: 12px;
  padding: 1rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.price {
  font-weight: bold;
  color: #1a6f4a;
}

.site-footer {
  text-align: center;
  padding: 1.5rem 0;
  border-top: 1px solid #e2ebe5;
  background: white;
}

@media (max-width: 600px) {
  .hero {
    padding: 2rem 1rem;
  }
}