/* Ensure the page uses full height and resets margin/padding */
html,
body {
  height: 100%;
  margin: 0;
  padding: 0;
}

/* Enable flex layout on the body to push footer down */
body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  font-family: Arial, sans-serif;
  background-color: var(--bg-light);
  color: #333;
  line-height: 1.6;
}

/* Allow the main content to use available space */
main {
  flex: 1;
}

/* Define color variables */
:root {
  --primary: #007bff;
  --secondary: #0056b3;
  --white: #ffffff;
  --bg-light: #f8f9fa;
}

/* Navigation Bar Styling */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: var(--primary);
  padding: 1rem 2rem;
  color: var(--white);
  flex-wrap: wrap; /* Allows items to wrap */
}

.navbar .logo {
  font-size: 1.5rem;
  font-weight: bold;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 1.5rem;
  margin: 0;
  padding: 0;
}

.nav-links li {
  display: inline;
}

.nav-links a {
  text-decoration: none;
  color: var(--white);
  font-size: 1rem;
  transition: color 0.3s;
}

.nav-links a:hover {
  color: #a7d9ff; /* Lighter blue on hover */
}

/* Hamburger Menu */
.hamburger {
  display: none; /* Hidden by default */
  cursor: pointer;
  flex-direction: column;
  justify-content: space-around;
  width: 30px;
  height: 25px;
  z-index: 1000;
}

.hamburger .bar {
  width: 100%;
  height: 3px;
  background-color: white;
  transition: all 0.3s ease-in-out;
}

/* Hamburger animation */
.hamburger.toggle .bar:nth-child(1) {
  transform: translateY(11px) rotate(45deg);
}
.hamburger.toggle .bar:nth-child(2) {
  opacity: 0;
}
.hamburger.toggle .bar:nth-child(3) {
  transform: translateY(-11px) rotate(-45deg);
}

/* Header styling for the page content */
.page-header {
  background: var(--primary);
  color: var(--white);
  padding: 30px 20px; /* Increased padding */
  text-align: center;
}

.page-header h1 {
  font-size: 2.5em;
  margin-bottom: 10px; /* Increased margin */
}

.page-header p {
  font-size: 1.2em;
}

/* Main container styling */
.container {
  width: 90%;
  max-width: 1200px;
  margin: 40px auto;
  padding: 0 10px; /* Add some horizontal padding */
}

/* Features grid styling */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px; /* Increased gap for better spacing */
}

/* Feature card styling */
.feature-card {
  background: var(--white);
  border: 2px solid var(--primary);
  border-radius: 10px; /* Slightly more rounded corners */
  padding: 25px; /* Increased padding */
  text-align: center;
  min-height: 280px; /* Consistent card height */
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center; /* Center content vertically */
  transition: transform 0.3s ease-in-out, box-shadow 0.3s ease-in-out;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08); /* More prominent shadow */
}

.feature-card:hover {
  transform: translateY(-8px); /* More pronounced lift effect */
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15); /* Darker shadow on hover */
}

/* Icon styling */
.feature-card .icon {
  font-size: 50px; /* Larger icons */
  color: var(--primary);
  margin-bottom: 20px; /* Increased margin */
}

/* Feature title and description */
.feature-card h3 {
  color: var(--secondary);
  margin-bottom: 15px; /* Increased margin */
  font-size: 1.4em; /* Larger title */
}

.feature-card p {
  color: #666;
  font-size: 1em; /* Slightly larger text */
  line-height: 1.5;
}

/* Clickable card link styling */
.card-link {
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
}

/* Footer styling */
footer {
  background: var(--primary);
  color: var(--white);
  text-align: center;
  padding: 25px 0; /* Increased padding */
  margin-top: 50px; /* Increased margin-top */
  box-sizing: border-box;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .navbar {
    flex-direction: row; /* Keep elements in a row */
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
  }

  .nav-links {
    display: none; /* Hide nav links by default */
    flex-direction: column;
    width: 100%;
    position: absolute;
    top: 70px; /* Adjust based on navbar height */
    left: 0;
    background-color: var(--primary);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
    z-index: 999;
    padding: 10px 0;
  }

  .nav-links.nav-active {
    display: flex; /* Show when active */
  }

  .nav-links li {
    width: 100%;
    text-align: center;
  }

  .nav-links a {
    padding: 15px;
    display: block; /* Make links take full width */
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

  .hamburger {
    display: flex; /* Show hamburger menu */
  }

  .page-header h1 {
    font-size: 2em;
  }

  .page-header p {
    font-size: 1em;
  }

  .features-grid {
    grid-template-columns: 1fr; /* Stack cards vertically on smaller screens */
  }

  .feature-card {
    min-height: 220px; /* Adjust card height for mobile */
    padding: 20px;
  }

  .feature-card .icon {
    font-size: 45px;
  }

  .feature-card h3 {
    font-size: 1.2em;
  }
}

@media (max-width: 480px) {
  .navbar {
    padding: 1rem;
  }

  .navbar .logo {
    font-size: 1.3rem;
  }

  .page-header h1 {
    font-size: 1.8em;
  }

  .page-header p {
    font-size: 0.9em;
  }

  .feature-card {
    min-height: 200px;
    padding: 15px;
  }

  .feature-card .icon {
    font-size: 40px;
  }

  .feature-card h3 {
    font-size: 1.1em;
  }

  .feature-card p {
    font-size: 0.9em;
  }

  footer {
    padding: 20px 0;
    font-size: 0.9em;
  }
}