* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #f5f8f3;
  color: #243126;
}

header {
  background: #166534;
  color: white;
  padding: 24px 16px;
  text-align: center;
}

.brand {
  font-size: 25px;
  font-weight: bold;
  margin-bottom: 8px;
}

header small {
  font-size: 13px;
}

main {
  width: 100%;
  max-width: 850px;
  margin: auto;
  padding: 16px;
}

.hero {
  background: #e3f2df;
  border-radius: 16px;
  padding: 24px 18px;
  margin-bottom: 18px;
}

.hero h1 {
  color: #166534;
  font-size: 26px;
}

.hero p {
  line-height: 1.6;
}

.panel {
  background: white;
  padding: 20px;
  margin-bottom: 18px;
  border-radius: 16px;
  box-shadow: 0 2px 10px #0000000d;
}

h2 {
  color: #166534;
  margin-top: 0;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(135px, 1fr));
  gap: 12px;
}

.product {
  border: 1px solid #e0e8dc;
  padding: 14px;
  border-radius: 12px;
}

.product p {
  font-weight: bold;
  color: #166534;
}

label {
  display: block;
  margin: 16px 0;
  font-weight: bold;
}

input, select {
  display: block;
  width: 100%;
  padding: 13px;
  margin-top: 7px;
  border: 1px solid #ccd6c9;
  border-radius: 9px;
  font-size: 16px;
  background: white;
}

button {
  background: #166534;
  color: white;
  border: 0;
  border-radius: 9px;
  padding: 12px 16px;
  font-size: 15px;
  cursor: pointer;
}

button:active {
  opacity: 0.8;
}

#placeOrder {
  width: 100%;
  padding: 16px;
  font-weight: bold;
  font-size: 17px;
}

#cart {
  background: #f4f8f1;
  padding: 12px;
  border-radius: 10px;
  overflow-wrap: anywhere;
}

.muted {
  color: #657365;
  line-height: 1.5;
}

.tiny {
  font-size: 12px;
}

footer {
  text-align: center;
  padding: 22px;
  color: #657365;
  font-size: 13px;
}

@media (min-width: 600px) {
  .hero {
    padding: 32px;
  }
}