body {
  font-family: 'Segoe UI', sans-serif;
  background-color: #f3fdf3;
  color: #003300;
  margin: 0;
  padding: 0;
  text-align: center;
}

.logo {
  width: 120px;
  margin-top: 20px;
}

h1.glow-text {
  font-size: 2em;
  margin-bottom: 5px;
  color: #00ff00;
  text-shadow: 0 0 5px #00ff00, 0 0 10px #00ff00;
  -webkit-text-stroke: 1px #003300;
}

nav {
  margin-top: 10px;
}

nav ul {
  list-style-type: none;
  padding: 0;
  display: flex;
  justify-content: center;
  gap: 15px;
}

nav a {
  text-decoration: none;
  color: #005500;
  font-size: 14px;
  padding: 5px 10px;
  border-radius: 8px;
  background-color: #e8f5e9;
  transition: background-color 0.3s;
}

nav a:hover,
nav a.active {
  background-color: #00aa00;
  color: #fff;
}

.marquee {
  overflow: hidden;
  white-space: nowrap;
  box-sizing: border-box;
  padding: 10px 0;
  background-color: #c8e6c9;
}

.colorful-text {
  display: inline-block;
  animation: scroll 20s linear infinite, colorChange 10s infinite;
  font-weight: bold;
}

@keyframes scroll {
  0% { transform: translateX(100%); }
  100% { transform: translateX(-100%); }
}

@keyframes colorChange {
  0% { color: #1b5e20; }
  25% { color: #43a047; }
  50% { color: #66bb6a; }
  75% { color: #a5d6a7; }
  100% { color: #1b5e20; }
}

h2 {
  margin-top: 30px;
  color: #004d00;
}

.center {
  text-align: center;
}

.box-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 15px;
  max-width: 900px;
  margin: 20px auto 40px;
  padding: 0 10px;
}

.box-item {
  display: block;
  background: #007700;
  color: #d9ffd9;
  border-radius: 12px;
  box-shadow:
    0 4px 8px rgba(0, 100, 0, 0.5),
    inset 0 0 8px rgba(144, 238, 144, 0.6);
  padding: 15px 25px;
  font-weight: 600;
  font-size: 16px;
  min-width: 220px;
  text-align: center;
  transition: background-color 0.3s ease, box-shadow 0.3s ease;
  text-decoration: none;
}

.box-item:hover {
  background: #00cc00;
  box-shadow:
    0 6px 12px rgba(0, 204, 0, 0.9),
    inset 0 0 12px rgba(144, 238, 144, 0.9);
  color: #003300;
}