/* --- Global Styles --- */
body {
  margin: 0;
  font-family: 'Helvetica Neue', Arial, sans-serif;
  color: #1d3557; /* Navy tone from logo */
  background-color: #ffffff;
  line-height: 1.6;
}

/* --- Navbar --- */
/* Navigation Bar */
.navbar {
  background-color: #ffffff;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 40px;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.navbar .logo img {
  height: 65px;
  width: auto;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 30px;
}

.nav-links li a {
  text-decoration: none;
  color: #000000;
  font-weight: 500;
  transition: color 0.3s;
}

.nav-links li a:hover {
  color: #3cb371; /* Green accent from your logo */
}

/* Hamburger icon hidden on desktop */
.menu-toggle {
  display: none;
  font-size: 28px;
  color: #fff;
  cursor: pointer;
}

/* Mobile view */
@media (max-width: 768px) {
  .nav-links {
    display: none;
    flex-direction: column;
    width: 100%;
    background-color: #243430;
    text-align: center;
    padding: 20px 0;
  }

  .nav-links.active {
    display: flex;
  }

  .menu-toggle {
    display: block;
  }

  .nav-links li {
    margin: 10px 0;
  }
}

/* --- Hero Section --- */
.hero {
  background: linear-gradient(to bottom right, #1d3557, #4CAF50);
  color: #fff;
  text-align: center;
  padding: 6rem 2rem;
}

.hero h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.hero p {
  font-size: 1.2rem;
  margin-bottom: 2rem;
}

.btn {
  background-color: #4CAF50;
  color: white;
  padding: 0.8rem 1.8rem;
  border-radius: 30px;
  text-decoration: none;
  font-weight: bold;
  transition: background 0.3s ease;
}

.btn:hover {
  background-color: #43a047;
}

/* --- Sections --- */
section {
  padding: 4rem 2rem;
  text-align: center;
}

.about, .contact {
  background-color: #f8f9fa;
}

h2 {
  color: #1d3557;
  font-size: 2rem;
  margin-bottom: 1rem;
}

/* --- Services --- */
.service-grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  margin-top: 2rem;
}

.service-card {
  background: #ffffff;
  padding: 2rem;
  border-radius: 10px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
  transition: transform 0.3s ease;
}

.service-card:hover {
  transform: translateY(-5px);
}

.cert-logo {
  height: 200px;        /* Try between 60px–90px */
  width: auto;          /* Keeps proportions */
  margin: 20px auto;
  display: block;       /* Centers the image */
}

/* --- Footer --- */
footer {
  background: #1d3557;
  color: white;
  text-align: center;
  padding: 1.5rem;
  font-size: 0.9rem;
}