/* Reset default browser styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Poppins", Arial, sans-serif;
}

body {
  background: linear-gradient(135deg, #e8f5e9, #f1f8e9);
  color: #333;
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header with gradient */
header {
  background: linear-gradient(90deg, #2e7d32, #66bb6a);
  color: white;
  padding: 20px;
  text-align: center;
  border-bottom: 4px solid #1b5e20;
  position: sticky;
  top: 0;
  z-index: 1000;
}

header h1 {
  font-size: 2.2rem;
  margin-bottom: 10px;
  animation: fadeInDown 1s ease;
}

/* Navigation */
nav {
  margin-top: 10px;
}

nav a {
  text-decoration: none;
  color: white;
  margin: 0 15px;
  font-weight: bold;
  font-size: 1.1rem;
  position: relative;
  transition: color 0.3s;
}

nav a::after {
  content: "";
  position: absolute;
  width: 0%;
  height: 2px;
  background: #ffeb3b;
  left: 0;
  bottom: -5px;
  transition: width 0.3s;
}

nav a:hover {
  color: #ffeb3b;
}

nav a:hover::after {
  width: 100%;
}

/* Container */
.container {
  max-width: 900px;
  margin: 40px auto;
  background: #ffffff;
  padding: 30px;
  border-radius: 15px;
  box-shadow: 0 6px 16px rgba(0,0,0,0.15);
  animation: fadeInUp 1.2s ease;
}

.container h2 {
  font-size: 1.9rem;
  color: #2e7d32;
  margin-bottom: 15px;
}

.container p {
  margin-bottom: 20px;
  font-size: 1.1rem;
  color: #555;
}

/* Feature list */
.container ul {
  list-style: none;
}

.container li {
  background: linear-gradient(90deg, #a5d6a7, #c8e6c9);
  margin: 12px 0;
  padding: 14px;
  border-radius: 10px;
  transition: transform 0.3s, box-shadow 0.3s;
  cursor: pointer;
}

.container li a {
  text-decoration: none;
  color: #1b5e20;
  font-weight: 600;
  font-size: 1.05rem;
  display: block;
}

.container li:hover {
  transform: translateX(8px) scale(1.02);
  box-shadow: 0 6px 12px rgba(0,0,0,0.15);
}

/* Animations */
@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Responsive design */
@media (max-width: 768px) {
  nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
  }

  nav a {
    margin: 8px;
    font-size: 1rem;
  }

  .container {
    margin: 20px;
    padding: 20px;
  }

  header h1 {
    font-size: 1.8rem;
  }
}