/* style.css */

body {
  margin: 0;
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  line-height: 1.6;
  color: #333;
  background-color: #fff;
}

header {
  background-color: #204d27; /* Deep forest green */
  padding: 1rem;
  position: sticky;
  top: 0;
  z-index: 1000;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: auto;
}

nav .logo {
  color: #fff;
  font-size: 1.2rem;
  font-weight: bold;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 1rem;
}

nav ul li a {
  color: #fff;
  text-decoration: none;
  font-weight: 600;
}

.hero {
  background: linear-gradient(rgba(0,0,0,0.4), rgba(0,0,0,0.4)), url('https://images.unsplash.com/photo-1506744038136-46273834b3fb?ixlib=rb-4.0.1&auto=format&fit=crop&w=1470&q=80') no-repeat center center/cover;
  color: #fff;
  text-align: center;
  padding: 4rem 1rem;
}

.hero h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.hero p {
  font-size: 1.2rem;
  margin-bottom: 2rem;
}

.btn {
  background-color: #4CAF50; /* Leaf green */
  color: #fff;
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  border: none;
  border-radius: 4px;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.btn:hover {
  background-color: #388e3c;
}

section {
  padding: 4rem 1rem;
  max-width: 1200px;
  margin: auto;
}

h2 {
  text-align: center;
  margin-bottom: 2rem;
  color: #204d27;
}

.cards-container {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

.card {
  background-color: #f9f9f9;
  border-radius: 8px;
  padding: 1rem;
  width: 250px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
  text-align: center;
}

.card-date {
  font-weight: bold;
  margin-bottom: 0.5rem;
  color: #388e3c;
}

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

.campaign-card {
  background-color: #fff;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
  text-align: center;
}

.campaign-card img {
  width: 100%;
  height: auto;
}

.campaign-card h3 {
  margin: 0.5rem 0;
  padding: 0 0.5rem;
}

.campaign-card p {
  padding: 0 0.5rem 1rem;
  font-size: 0.9rem;
  color: #555;
}

.join {
  background-color: #f1f1f1;
  padding: 4rem 1rem;
  border-radius: 8px;
  max-width: 600px;
  margin: auto;
}

.join h2 {
  text-align: center;
  margin-bottom: 1.5rem;
  color: #204d27;
}

form {
  display: flex;
  flex-direction: column;
}

label {
  margin-top: 1rem;
  margin-bottom: 0.5rem;
  font-weight: 600;
}

input, select {
  padding: 0.75rem;
  border: 1px solid #ccc;
  border-radius: 4px;
  font-size: 1rem;
}

button {
  margin-top: 1.5rem;
  padding: 0.75rem;
  background-color: #4CAF50;
  color: white;
  border: none;
  border-radius: 4px;
  font-size: 1rem;
  cursor: pointer;
}

button:hover {
  background-color: #388e3c;
}

.message {
  text-align: center;
  margin-bottom: 1rem;
  color: green;
  font-weight: bold;
}

footer {
  background-color: #204d27;
  color: #fff;
  text-align: center;
  padding: 1rem;
  margin-top: 2rem;
}

@media(max-width: 768px) {
  nav {
    flex-direction: column;
    align-items: center;
  }
  nav ul {
    flex-direction: column;
    gap: 0.5rem;
  }
  .hero h1 {
    font-size: 2rem;
  }
}