/* Navbar Styling */
.custom-navbar {
  background-color: #27692A;
}

.navbar-brand span {
  font-weight: bold;
  color: #ffffff;
}

.custom-navbar .nav-link {
  color: #ffffff;
}

.custom-navbar .nav-link.active,
.custom-navbar .nav-link:hover {
  color: #f1f1f1;
}

.custom-navbar .nav-link.active {
  background-color: white;
  color: #27692A !important;
  border-radius: 5px;
  padding: 6px 12px;
}

/* Hero Section */
.hero-section {
  position: relative;
  height: 100vh;
  background-size: cover;
  background-position: center;
  color: white;
}

.hero-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.1);
  z-index: 1;
}

.hero-section > .container {
  position: relative;
  z-index: 2;
}

.hero-section h1.display-3 {
  color: #173D1D;
}

.hero-section img {
  width: 220px;
  height: auto;
}

/* Button Styling */
.btn-light-green {
  background-color: #598D3E;
  color: white;
  border: none;
}

.btn-light-green:hover {
  background-color: #4a7934;
  color: white;
}

/* Explore Text */
.explore-text {
  font-size: 1rem;
}

/* SDG Cards */
.sdg-hover {
  position: relative;
  display: inline-block;
  width: 220px;
  cursor: pointer;
}

.sdg-hover img {
  width: 100%;
  display: block;
  border-radius: 8px;
}

.hover-text {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  color: #fff;
  opacity: 0;
  padding: 15px;
  font-size: 0.85rem;
  text-align: left;
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  transition: opacity 0.3s ease;
}

.sdg-hover:hover .hover-text {
  opacity: 1;
}

/* Additional SDG Background Classes (if reused later) */
.sdg-orange {
  background: url('images/sdg2-bg.jpg'), #e67e22;
}

.sdg-green {
  background: url('images/sdg15-bg.jpg'), #27ae60;
}

.sdg-brown {
  background: url('images/sdg12-bg.jpg'), #d35400;
}