/* 1. Palette Variables */
:root {
  --green: #28a745;
  --blue:  #3498db;
  --gold:  #f1c40f;
  --dark:  #212529;
  --light: #f8f9fa;
  --font:  'Poppins', sans-serif;
}

/* 2. Global */
body {
  font-family: var(--font);
  padding-top: 70px; /* for fixed navbar */
}

/* 3. Navbar Colors */
.bg-green { background-color: var(--green) !important; }
.navbar-dark .navbar-nav .nav-link {
  color: #fff;
  transition: color .3s;
}
.navbar-dark .navbar-nav .nav-link:hover {
  color: var(--gold);
}

/* 4. Hero */
.hero-section {
  position: relative;
  height: 75vh;
  background: linear-gradient(
      135deg,
      rgba(40,167,69,0.8),
      rgba(52,152,219,0.8)
    ),
    url('hero-bg.jpg') center/cover no-repeat;
}

.hero-section .overlay {
  position: absolute;
  top:0; left:0; right:0; bottom:0;
  background: rgba(0,0,0,0.3);
}

.hero-section h1,
.hero-section p {
  z-index: 1;
}

.btn-gold {
  background-color: var(--gold);
  color: #212529;
  border: none;
  transition: background-color .3s, transform .2s;
}
.btn-gold:hover {
  background-color: #d4ac0d;
  transform: translateY(-2px);
}

/* 5. Section Titles */
.section-title {
  font-weight: 600;
  font-size: 2rem;
}

/* 6. Text Accent Classes */
.text-green { color: var(--green) !important; }
.text-blue  { color: var(--blue)  !important; }
.text-gold  { color: var(--gold)  !important; }

/* 7. Cards */
.card {
  border: none;
  border-radius: .75rem;
}
.border-top-green { border-top: 4px solid var(--green) !important; }
.border-top-blue  { border-top: 4px solid var(--blue)  !important; }
.border-top-gold  { border-top: 4px solid var(--gold)  !important; }

/* 8. Contact Button */
.btn-green {
  background-color: var(--green);
  color: #fff;
  border: none;
  transition: background-color .3s;
}
.btn-green:hover {
  background-color: #218838;
}

/* 9. Footer */
footer {
  background-color: var(--dark);
}

/* 10. Responsive Tweaks */
@media (max-width: 768px) {
  .hero-section {
    height: 60vh;
  }
  .section-title {
    font-size: 1.75rem;
  }
}