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

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  line-height: 1.6;
  color: #2c3e2d;
  background: linear-gradient(135deg, #e8f5e9 0%, #f1f8e9 50%, #e0f2f1 100%);
  min-height: 100vh;
}

header {
  background: linear-gradient(90deg, #4caf50, #66bb6a, #81c784);
  color: white;
  padding: 1.2rem 0;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  position: sticky;
  top: 0;
  z-index: 100;
}

.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.logo {
  font-size: 1.8rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 0.8rem;
  letter-spacing: 1px;
}

nav {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

nav a {
  color: white;
  text-decoration: none;
  padding: 0.5rem 1.2rem;
  border-radius: 25px;
  font-weight: 500;
  transition: background 0.25s, transform 0.2s;
  background: rgba(255,255,255,0.15);
}

nav a:hover,
nav a.active {
  background: rgba(255,255,255,0.35);
  transform: translateY(-2px);
}

main {
  padding: 2.5rem 0 4rem;
}

h1 {
  font-size: 2.2rem;
  color: #2e7d32;
  margin-bottom: 1rem;
  text-align: center;
}

h2 {
  font-size: 1.5rem;
  color: #388e3c;
  margin: 1.8rem 0 0.8rem;
  border-bottom: 3px solid #a5d6a7;
  padding-bottom: 0.3rem;
}

p {
  margin-bottom: 1rem;
  font-size: 1.05rem;
}

.card {
  background: white;
  border-radius: 16px;
  padding: 1.5rem 1.8rem;
  margin-bottom: 1.5rem;
  box-shadow: 0 6px 20px rgba(0,0,0,0.08);
  border: 1px solid #c8e6c9;
}

.card:hover {
  box-shadow: 0 8px 25px rgba(0,0,0,0.12);
}

.intro-img {
  width: 100%;
  max-width: 400px;
  height: auto;
  border-radius: 16px;
  display: block;
  margin: 1.5rem auto;
  box-shadow: 0 8px 24px rgba(0,0,0,0.15);
}

.fact-list {
  list-style: none;
  padding: 0;
}

.fact-list li {
  background: #f1f8e9;
  margin-bottom: 0.8rem;
  padding: 1rem 1.2rem;
  border-radius: 12px;
  border-left: 5px solid #66bb6a;
  font-size: 1.05rem;
}

.fact-list li strong {
  color: #2e7d32;
}

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

.gallery-item {
  background: white;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 6px 18px rgba(0,0,0,0.1);
  text-align: center;
  transition: transform 0.25s;
}

.gallery-item:hover {
  transform: translateY(-6px);
}

.gallery-item img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
}

.gallery-item p {
  padding: 0.8rem;
  font-size: 0.95rem;
  color: #555;
  margin: 0;
}

.emoji {
  font-size: 1.4rem;
}

footer {
  background: #2e7d32;
  color: #e8f5e9;
  text-align: center;
  padding: 1.5rem;
  font-size: 0.95rem;
}

footer a {
  color: #a5d6a7;
  text-decoration: none;
}

@media (max-width: 600px) {
  h1 {
    font-size: 1.7rem;
  }
  .logo {
    font-size: 1.5rem;
  }
  nav a {
    padding: 0.4rem 0.9rem;
    font-size: 0.95rem;
  }
}