body {
  margin: 0;
  font-family: Arial, sans-serif;
  color: #1f2937;
  background: #f4f7fb;
}

header, main, footer {
  max-width: 980px;
  margin: 0 auto;
  padding: 24px;
}

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

nav a {
  margin-left: 16px;
  color: #0f766e;
  text-decoration: none;
  font-weight: 700;
}

.hero, .card {
  background: #ffffff;
  border-radius: 18px;
  box-shadow: 0 16px 42px rgba(15, 23, 42, 0.08);
}

.hero {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 24px;
  padding: 36px;
}

.hero img {
  width: 100%;
  max-height: 280px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
}

.card {
  padding: 22px;
}

.badge {
  display: inline-block;
  padding: 6px 10px;
  border-radius: 999px;
  color: #115e59;
  background: #ccfbf1;
  font-weight: 700;
}

footer {
  color: #64748b;
}