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

:root {
  --green: #2d6a4f;
  --green-light: #40916c;
  --green-pale: #b7e4c7;
  --cream: #fefae0;
  --brown: #6b4226;
  --brown-light: #a67c52;
  --white: #ffffff;
  --gray: #333;
  --shadow: 0 4px 20px rgba(0,0,0,0.08);
}

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  color: var(--gray);
  background: var(--cream);
  overflow-x: hidden;
}

/* NAV */
nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  background: var(--green);
  position: sticky;
  top: 0;
  z-index: 100;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.5px;
}

.nav-links a {
  color: var(--green-pale);
  text-decoration: none;
  margin-left: 2rem;
  font-weight: 500;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--white);
}

/* HERO */
.hero {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 80vh;
  padding: 2rem;
  background: linear-gradient(135deg, var(--green) 0%, var(--green-light) 100%);
  color: var(--white);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero-content {
  z-index: 2;
  max-width: 600px;
}

.hero h1 {
  font-size: 3.5rem;
  font-weight: 800;
  margin-bottom: 1rem;
  line-height: 1.1;
}

.accent {
  background: linear-gradient(90deg, var(--green-pale), #d8f3dc);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

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

.hero-emoji {
  font-size: 12rem;
  position: absolute;
  right: 5%;
  opacity: 0.15;
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-20px); }
}

.btn {
  display: inline-block;
  padding: 0.9rem 2.5rem;
  background: var(--cream);
  color: var(--green);
  border: none;
  border-radius: 50px;
  font-size: 1.1rem;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.2s, box-shadow 0.2s;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(0,0,0,0.15);
}

/* SECTIONS */
section {
  padding: 5rem 2rem;
}

h2 {
  text-align: center;
  font-size: 2.5rem;
  color: var(--green);
  margin-bottom: 0.5rem;
}

/* FACTS */
.facts {
  background: var(--white);
}

.facts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  max-width: 1100px;
  margin: 2.5rem auto 0;
}

.fact-card {
  background: var(--cream);
  border-radius: 16px;
  padding: 2rem;
  transition: transform 0.3s, box-shadow 0.3s;
  cursor: default;
}

.fact-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
}

.fact-icon {
  font-size: 2.5rem;
  margin-bottom: 0.75rem;
}

.fact-card h3 {
  color: var(--green);
  margin-bottom: 0.5rem;
  font-size: 1.25rem;
}

.fact-card p {
  line-height: 1.6;
  color: #555;
}

/* GALLERY */
.gallery {
  background: var(--cream);
}

.gallery-subtitle, .quiz-subtitle {
  text-align: center;
  color: #777;
  margin-bottom: 2rem;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  max-width: 1000px;
  margin: 0 auto;
}

.gallery-card {
  background: var(--white);
  border-radius: 16px;
  padding: 2rem;
  text-align: center;
  cursor: pointer;
  transition: transform 0.3s, box-shadow 0.3s;
  overflow: hidden;
}

.gallery-card:hover {
  transform: scale(1.03);
  box-shadow: var(--shadow);
}

.gallery-img {
  font-size: 5rem;
  margin-bottom: 1rem;
}

.gallery-label {
  font-weight: 700;
  color: var(--green);
  font-size: 1.1rem;
}

.gallery-info {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, margin 0.4s ease;
  color: #555;
  line-height: 1.5;
  font-size: 0.95rem;
}

.gallery-card.active .gallery-info {
  max-height: 200px;
  margin-top: 1rem;
}

/* QUIZ */
.quiz {
  background: var(--white);
}

.quiz-container {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
}

.quiz-question {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--green);
  margin-bottom: 1.5rem;
}

.quiz-options {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.quiz-option {
  padding: 1rem 1.5rem;
  background: var(--cream);
  border: 2px solid transparent;
  border-radius: 12px;
  cursor: pointer;
  font-size: 1rem;
  transition: all 0.2s;
  text-align: left;
}

.quiz-option:hover {
  border-color: var(--green-light);
  background: var(--green-pale);
}

.quiz-option.correct {
  background: #d4edda;
  border-color: var(--green);
  color: var(--green);
  font-weight: 600;
}

.quiz-option.wrong {
  background: #f8d7da;
  border-color: #c0392b;
  color: #c0392b;
}

.quiz-result {
  margin: 1rem 0;
  font-size: 1.1rem;
  font-weight: 600;
  min-height: 2rem;
}

.quiz-score {
  margin-top: 1.5rem;
  font-size: 1.2rem;
  color: var(--brown);
}

/* CONSERVATION */
.conservation {
  background: linear-gradient(135deg, var(--green) 0%, var(--green-light) 100%);
  color: var(--white);
}

.conservation h2 {
  color: var(--white);
}

.conservation-content {
  max-width: 900px;
  margin: 2rem auto 0;
}

.stat-row {
  display: flex;
  justify-content: center;
  gap: 3rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.stat {
  text-align: center;
}

.stat-number {
  font-size: 3rem;
  font-weight: 800;
}

.stat-label {
  font-size: 0.95rem;
  opacity: 0.85;
  max-width: 200px;
}

.conservation-text {
  text-align: center;
  font-size: 1.1rem;
  line-height: 1.7;
  opacity: 0.9;
}

/* FOOTER */
footer {
  text-align: center;
  padding: 2rem;
  background: var(--green);
  color: var(--green-pale);
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .hero h1 { font-size: 2.5rem; }
  .hero-emoji { font-size: 8rem; right: -5%; }
  .stat-row { gap: 1.5rem; }
  .stat-number { font-size: 2rem; }
  nav { padding: 1rem; }
  .nav-links a { margin-left: 1rem; font-size: 0.9rem; }
}