:root {
  --green-dark: #3f5e3a;
  --green-mid: #6b8e57;
  --green-light: #a9c49c;
  --cream: #f7f3e8;
  --brown: #7a5c44;
  --text: #2e2a22;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Georgia', 'Times New Roman', serif;
  color: var(--text);
  background: var(--cream);
  line-height: 1.6;
}

header {
  background: var(--green-dark);
  color: var(--cream);
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}

.logo {
  font-size: 1.6rem;
  font-weight: bold;
  color: var(--cream);
  text-decoration: none;
  letter-spacing: 0.5px;
}

.tagline {
  font-size: 0.85rem;
  font-style: italic;
  color: var(--green-light);
  display: block;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 1.5rem;
}

nav a {
  color: var(--cream);
  text-decoration: none;
  font-size: 1rem;
  padding: 0.25rem 0;
  border-bottom: 2px solid transparent;
  transition: border-color 0.2s;
}

nav a:hover,
nav a.active {
  border-bottom: 2px solid var(--green-light);
}

.hero {
  background: linear-gradient(rgba(63, 94, 58, 0.55), rgba(63, 94, 58, 0.55)),
    url('images/hero.jpg') center/cover no-repeat;
  background-color: var(--green-mid);
  color: var(--cream);
  text-align: center;
  padding: 5rem 1.5rem;
}

.hero h1 {
  font-size: 2.6rem;
  margin-bottom: 0.75rem;
}

.hero p {
  font-size: 1.2rem;
  max-width: 600px;
  margin: 0 auto;
}

.btn {
  display: inline-block;
  margin-top: 1.5rem;
  background: var(--brown);
  color: var(--cream);
  padding: 0.75rem 1.75rem;
  border-radius: 4px;
  text-decoration: none;
  font-weight: bold;
  transition: background 0.2s;
}

.btn:hover {
  background: var(--green-dark);
}

main {
  max-width: 960px;
  margin: 0 auto;
  padding: 3rem 1.5rem;
}

h2 {
  color: var(--green-dark);
  margin-bottom: 1rem;
  font-size: 1.8rem;
}

section {
  margin-bottom: 2.5rem;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.card {
  background: white;
  border: 1px solid var(--green-light);
  border-radius: 6px;
  padding: 1.25rem;
  text-align: center;
}

.card h3 {
  color: var(--green-dark);
  margin-bottom: 0.5rem;
}

.plant-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
  background: white;
}

.plant-table th,
.plant-table td {
  border: 1px solid var(--green-light);
  padding: 0.75rem;
  text-align: left;
}

.plant-table th {
  background: var(--green-mid);
  color: var(--cream);
}

.contact-info {
  background: white;
  border-left: 4px solid var(--green-mid);
  padding: 1.5rem;
}

footer {
  background: var(--green-dark);
  color: var(--green-light);
  text-align: center;
  padding: 1.5rem;
  font-size: 0.9rem;
}

@media (max-width: 600px) {
  header {
    flex-direction: column;
    gap: 0.75rem;
    text-align: center;
  }
  nav ul {
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
  }
  .hero h1 {
    font-size: 2rem;
  }
}