:root {
  --primary: #2F3E46;      /* Text, navbar, headings */
  --secondary: #354F52;    /* Buttons, hero background */
  --dark: #52796F;         /* Darker background tone */
  --light-green: #84A98C;  /* Section backgrounds */
  --neutral: #CAD2C5;      /* Accent / muted text color */
}

/* ---------- Global ---------- */
body {
  font-family: 'Poppins', sans-serif;
  background-color: #fff;
  color: var(--primary);
}

h1, h2, h3, h4, h5 {
  font-weight: 600;
}

/* ---------- Navbar ---------- */
.navbar {
  background-color: var(--primary);
}

.navbar .nav-link,
.navbar-brand {
  color: #fff !important;
  font-weight: 500;
}

.navbar .nav-link:hover {
  color: var(--neutral) !important;
}

.navbar .nav-link.active {
  color: var(--light-green) !important;
  font-weight: 600;
}

/* ---------- Hero Section ---------- */
.hero {
  background-color: var(--secondary);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  min-height: 300px;
  padding: 60px 0;
}

.hero h1 {
  font-size: 2.5rem;
  font-weight: 600;
}

/* ---------- About Section ---------- */
.about-section {
  padding: 60px 0;
}

.about-section h2 {
  color: var(--primary);
}

.mission-section {
  background-color: var(--light-green);
  color: var(--primary);
  padding: 60px 0;
}

/* ---------- Class / Card Section ---------- */
.class-section,
.section {
  padding: 60px 0;
}

.card {
  border: none;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.15);
}

.card h5, .card h4 {
  color: var(--primary);
  font-weight: 600;
}

.card .btn {
  background-color: var(--secondary);
  color: #fff;
  border: none;
}

.card .btn:hover {
  background-color: var(--dark);
  color: #fff;
}

/* ---------- Buttons ---------- */
.btn-custom {
  background-color: var(--secondary);
  color: #fff;
  font-weight: 500;
  border: none;
  border-radius: 6px;
}

.btn-custom:hover {
  background-color: var(--dark);
  color: #fff;
}

/* ---------- Footer ---------- */
footer {
  background-color: #212529;
  color: #fff;
  padding: 50px 0 20px;
}

footer h5 {
  color: var(--light-green);
  font-weight: 600;
}

footer a {
  color: #fff;
  text-decoration: none;
}

footer a:hover {
  color: var(--neutral);
}

.footer-bottom {
  border-top: 1px solid #ffffff33;
  padding-top: 10px;
  margin-top: 20px;
  font-size: 0.9rem;
}

/* ---------- Utility ---------- */
.feature-icon {
  font-size: 50px;
  color: var(--primary);
}


.whatsapp-btn { 
  background-color: #25D366; 
  color: #fff; font-weight: 500; 
  border-radius: 5px; 
  text-decoration: none; 
  display: inline-block; 
  transition: background-color 0.3s ease; 
} 
  
  .whatsapp-btn:hover { 
    background-color: #1DA851; 
    color: #fff; 
  }

  .error-section { 
    background-color: var(--secondary); 
    color: #fff; 
    min-height: 60vh; 
    display: flex; align-items: center; 
    justify-content: center; 
    text-align: center; 
    flex-direction: column; 
    padding: 20px 20px; 
  }
  
.error-section h1 {
  font-size: 6rem;
  font-weight: 700;
  color: var(--light-green);
}

.error-section p {
  font-size: 1.2rem;
  margin-bottom: 30px;
}

.btn-home {
  background-color: var(--light-green);
  color: var(--primary);
  font-weight: 600;
  border-radius: 25px;
  padding: 10px 25px;
  text-decoration: none;
}

.btn-home:hover {
  background-color: var(--neutral);
  color: var(--primary);
}

/* Reduce logo size on small screens */ 
.about-logo 
{ 
  max-width: 80%; 
} 
@media (max-width: 768px) 
{ .about-logo 
  { 
    max-width: 60%; margin-bottom: 20px; 
    /* adds line break spacing */ } 
    
    .about-section h2, 
    .about-section 
    p 
    {
       text-align: center; 
      } 
    }