/* Reset and base styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary-color: #1a365d;
  --secondary-color: #2c5282;
  --accent-color: #d69e2e;
  --text-color: #2d3748;
  --bg-light: #f7fafc;
  --bg-dark: #1a202c;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  line-height: 1.6;
  color: var(--text-color);
}

/* Navigation */
nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 5%;
  background-color: var(--bg-dark);
  position: sticky;
  top: 0;
  z-index: 100;
}

.logo {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--accent-color);
}

nav ul {
  display: flex;
  list-style: none;
  gap: 2rem;
}

nav a {
  color: white;
  text-decoration: none;
  transition: color 0.3s;
}

nav a:hover {
  color: var(--accent-color);
}

/* Hero Section */
.hero {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: white;
  padding: 0 5%;
}

.hero-content h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.hero-content p {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

.btn {
  display: inline-block;
  padding: 0.75rem 2rem;
  background-color: var(--accent-color);
  color: var(--bg-dark);
  text-decoration: none;
  border-radius: 5px;
  font-weight: bold;
  transition: transform 0.3s, box-shadow 0.3s;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

/* Sections */
section {
  padding: 5rem 5%;
}

section h2 {
  text-align: center;
  font-size: 2rem;
  margin-bottom: 3rem;
  color: var(--primary-color);
}

/* Species Section */
.species {
  background-color: var(--bg-light);
}

.card-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.card {
  background: white;
  padding: 2rem;
  border-radius: 10px;
  box-shadow: 0 4px 6px rgba(0,0,0,0.1);
  text-align: center;
  transition: transform 0.3s;
}

.card:hover {
  transform: translateY(-5px);
}

.card-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.card h3 {
  color: var(--primary-color);
  margin-bottom: 1rem;
}

/* Facts Section */
.facts {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: white;
}

.facts h2 {
  color: white;
}

.facts-container {
  max-width: 800px;
  margin: 0 auto;
}

.fact-item {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 1.5rem;
  background: rgba(255,255,255,0.1);
  border-radius: 8px;
  margin-bottom: 1rem;
}

.fact-number {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--accent-color);
  min-width: 40px;
}

/* About Section */
.about {
  background-color: var(--bg-light);
}

.about-content {
  max-width: 1000px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 3rem;
  align-items: center;
}

.about-text p {
  margin-bottom: 1rem;
}

.about-stats {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.stat {
  background: white;
  padding: 1.5rem;
  border-radius: 10px;
  text-align: center;
  box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.stat-number {
  display: block;
  font-size: 2rem;
  font-weight: bold;
  color: var(--accent-color);
}

.stat-label {
  color: var(--text-color);
  font-size: 0.9rem;
}

/* Footer */
footer {
  background-color: var(--bg-dark);
  color: white;
  text-align: center;
  padding: 2rem;
}

/* Responsive */
@media (max-width: 768px) {
  .hero-content h1 {
    font-size: 2rem;
  }
  
  .about-content {
    grid-template-columns: 1fr;
  }
  
  nav ul {
    display: none;
  }
}