:root {
  --primary: #4a9d5e;
  --secondary: #f8c440;
  --accent: #e74c3c;
  --dark: #2c3e50;
  --light: #f8f9fa;
}
body { font-family: 'Open Sans', Arial, sans-serif; background-color: var(--light); color:#333; }
.navbar { background-color: var(--primary) !important; }
.hero-section { background: linear-gradient(rgba(0,0,0,.5), rgba(0,0,0,.5)), url('images/hero.jpg') center/cover no-repeat; color:#fff; padding:100px 0; text-align:center; }
.card { border:none; box-shadow:0 4px 15px rgba(0,0,0,.1); transition: transform .3s ease;}
.card:hover { transform: translateY(-5px); }
.bg-light-green { background:#f2f7f2; }
footer { background:#222; color:#fff; }