/* Basic styles for the accessible navigation bar */

/* Global Resets */
body {
    margin: 0;
    font-family: Arial, sans-serif;
}

/* Header and Navigation */
header {
    background-color: #333;
    color: white;
    padding: 1rem 0;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.logo {
    color: white;
    text-decoration: none;
    font-size: 1.5rem;
    font-weight: bold;
}

.navigation-menu {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
}

.navigation-menu li {
    margin-left: 2rem;
}

.navigation-menu a {
    color: white;
    text-decoration: none;
    padding: 0.5rem 1rem;
    display: block;
    transition: background-color 0.3s ease;
}

.navigation-menu a:hover,
.navigation-menu a:focus {
    background-color: #555;
    border-radius: 4px;
}

/* Menu Toggle Button (hidden by default on desktop) */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    position: relative;
    z-index: 1000;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

.icon-bar {
    display: block;
    width: 25px;
    height: 3px;
    background-color: white;
    margin: 5px 0;
    transition: all 0.2s ease;
}

/* Media Queries for Responsiveness */
@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }

    .navigation-menu {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 10%; /* Position below the header */
        left: 0;
        width: 100%;
        background-color: #333;
        box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
    }

    .navigation-menu.active {
        display: flex;
    }

    .navigation-menu li {
        margin: 0;
        border-bottom: 1px solid #555;
    }

    .navigation-menu li:last-child {
        border-bottom: none;
    }

    .navigation-menu a {
        padding: 1rem;
        text-align: center;
    }

    /* Hamburger Icon Transformation */
    .menu-toggle.active .icon-bar:nth-child(2) {
        opacity: 0;
    }

    .menu-toggle.active .icon-bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .menu-toggle.active .icon-bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
}