body {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    margin: 0;
    padding: 0;
    line-height: 1.5;
    background-color: #f5faff; /* Softest sky blue background */
}

header {
    background-color: #a9d6e5; /* Light sky blue */
    color: #002b36; /* Deep slate blue text */
    padding: 20px 0;
    text-align: center;
    box-shadow: 0 2px 5px rgba(0, 70, 100, 0.2); /* Gentle blue shadow */
}

nav ul {
    list-style-type: none;
    padding: 0;
    margin: 0;
    justify-content: center; /* This centers the menu items on desktop */
}

nav ul li {
    display: inline-block;
    margin: 0 25px;
}

nav a {
    color: #1d3557; /* Navy blue */
    background-color: #e8f1fa; /* Pale cloudy blue */
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    padding: 10px 15px;
    border-radius: 5px;
}

nav a:hover {
    background-color: #fce96a; /* Warm yellow highlight */
    color: #1d1d1d;
    box-shadow: 0 2px 10px rgba(252, 233, 106, 0.3); /* yellow glow */
}

main {
    padding: 40px;
    background-color: #ffffff;
    border-radius: 5px;
    box-shadow: 0 4px 15px rgba(0, 60, 80, 0.08); /* soft blue shadow */
}

footer {
    text-align: center;
    padding: 15px 0;
    background-color: #d0ebf9; /* Muted aqua blue */
    position: relative;
    bottom: 0;
    width: 100%;
    font-size: 0.9em;
    color: #2c3e50; /* Desaturated navy */
}

a i {
  padding-left: 10px;
  padding-right: 10px;
  color: #1d3557;
  transition: color 0.2s;
}
a:hover i {
    padding-left: 10px;
    padding-right: 10px;
    color: #ffffff;
}







/* Hamburger icon */
.menu-toggle {
    display: none; /* Hide by default */
    font-size: 30px; /* Icon size */
    cursor: pointer; /* Makes it clickable */
    color: white; /* Set icon color */
}

/* Style for menu */
nav ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
    display: flex;
}

nav ul li {
    margin: 0 10px;
}

/* For mobile screens: hide the menu and show the hamburger icon */
@media (max-width: 768px) {
    nav ul {
        display: none; /* Hide menu by default */
        flex-direction: column;
        align-items: flex-start;
        width: 100%;
        padding: 10px 0;
        background-color: #a9d6e5; /* Light blue background for the dropdown menu */
    }

    nav ul li {
        margin: 10px 0; /* Spacing between menu items */
    }

    .menu-toggle {
        display: block; /* Show hamburger icon on mobile */
    }

    /* When the menu is open, show it */
    nav ul.open {
        display: block; /* Show the menu */
    }
}

.pdf-viewer iframe {
  width: 100%;
  height: 80vh;
  border: none;
}

/* Hide iframe on small screens */
@media (max-width: 767px) {
  .pdf-viewer {
    display: none;
  }
}

/* Hide link on large screens */
@media (min-width: 768px) {
  .pdf-link {
    display: none;
  }
}

/* Button style */
.pdf-button-wrapper {
  text-align: center;
  margin: 40px 0;
}

.pdf-button {
  color: #1d3557;
  background-color: #e8f1fa;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
  padding: 12px 20px;
  border-radius: 5px;
  font-size: 1rem;
  display: inline-block;
}

.pdf-button:hover {
  background-color: #fce96a;
}

/* Show only on small screens */
@media (min-width: 768px) {
  .mobile-only {
    display: none;
  }
}