:root {
  --primary: #2e7d32;
  --accent: #66bb6a;
  --bg-light: #f5f5f5;
  --text: #212121;
  --font: 'Segoe UI', Roboto, sans-serif;
  --radius: 1rem;
}

body {
  font-family: var(--font);
  color: var(--text);
  background-color: white;
}

a {
  color: var(--primary);
  text-decoration: none;
}
a:hover {
  color: var(--accent);
}

.navbar {
  background: white;
  padding: 1rem 0;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
}

.navbar-brand {
  font-size: 2rem;
}

.hero {
  background: url('../img/hero.png') center/cover no-repeat;
  color: white;
  text-align: center;
  padding: 16rem 1rem;
}
.hero h1 {
  font-size: 3rem;
  font-weight: 700;
}
.hero p {
  font-size: 1.2rem;
  opacity: 0.9;
}
.hero .container {
  background-color: rgba(0, 0, 0, 0.6);
}
.section {
  padding: 4rem 0;
}
.section-light {
  background-color: var(--bg-light);
}
.section h2 {
  font-size: 2rem;
  margin-bottom: 1.5rem;
  color: var(--primary);
}

.card {
  border: none;
  border-radius: var(--radius);
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  transition: transform 0.3s;
}
.card:hover {
  transform: translateY(-5px);
}

footer {
  background: var(--primary);
  color: white;
  text-align: center;
  padding: 2rem 1rem;
}