/* header.css */

/* Basic Reset for nav lists */
.primary-navigation ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.primary-navigation a {
    text-decoration: none;
    color: #333;
    display: block;
    padding: 1em 1.5em; /* Increased padding */
    font-size: 1.1em; /* Added font-size */
    font-weight: 600;
    transition: color 0.3s ease;
}

.primary-navigation a:hover,
.primary-navigation a:focus {
    color: #007acc;
    outline: none;
}

/* Header Container */
.site-header {
    background: #fff;
    border-bottom: 1px solid #ddd;
    position: relative;
    z-index: 10000;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.site-header .container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.5em 1em;
}

/* Logo */
.logo img {
    height: auto;
    max-width: 150px;
}

/* Hamburger Menu (Desktop - hidden by default) */
.menu-toggle {
    background: none;
    border: none;
    cursor: pointer;
    width: 36px;
    height: 36px;
    position: relative;
    display: none; /* This will be overridden to 'block' in responsive.css for mobile */
    z-index: 11000;
}

.menu-toggle .hamburger,
.menu-toggle .hamburger::before,
.menu-toggle .hamburger::after {
    display: block;
    background-color: #333;
    height: 3px;
    border-radius: 2px;
    position: absolute;
    width: 100%;
    transition: all 0.3s ease;
}

.menu-toggle .hamburger {
    top: 50%;
    transform: translateY(-50%);
}

.menu-toggle .hamburger::before {
    content: '';
    top: -10px;
}

.menu-toggle .hamburger::after {
    content: '';
    top: 10px;
}

/* Open state for hamburger (Desktop - won't apply unless JS adds 'nav-open' class) */
body.nav-open .menu-toggle .hamburger {
    background-color: transparent;
}

body.nav-open .menu-toggle .hamburger::before {
    top: 0;
    transform: rotate(45deg);
}

body.nav-open .menu-toggle .hamburger::after {
    top: 0;
    transform: rotate(-45deg);
}

/* Navigation (Desktop) */
.primary-navigation {
    flex-grow: 1;
    margin-left: 2em;
}

.nav-links {
    display: flex;
    gap: 1.5em;
}

/* Top level items */
.nav-links > li {
    position: relative;
}

/* Dropdown arrow */
.has-dropdown > a::after,
.has-submenu > a::after {
    content: ' ▼';
    font-size: 0.6em;
    margin-left: 0.25em;
}

/* Dropdown menus (Desktop) */
.dropdown-menu,
.submenu-list {
    position: absolute;
    background: #fff;
    border: 1px solid #ddd;
    min-width: 220px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    /* REMOVED: display: none; */ /* This line was causing conflicts */
    opacity: 0; /* Hidden by default, shown on hover/focus on desktop */
    visibility: hidden; /* Hidden by default, shown on hover/focus on desktop */
    transition: opacity 0.3s ease, visibility 0.3s ease; /* Transition opacity/visibility for desktop */
    z-index: 1000;
    padding: 0.5em 0;
    border-radius: 4px;
}

/* First level dropdown */
.dropdown-menu {
    top: 100%;
    left: 0;
}

/* Submenus inside dropdown */
.submenu-list {
    top: 0;
    left: 100%;
}

/* Dropdown list items */
.dropdown-menu > li,
.submenu-list > li {
    position: relative;
}

/* Dropdown links */
.dropdown-menu a,
.submenu-list a {
    padding: 0.5em 1.5em;
    white-space: nowrap;
    color: #333;
}

.dropdown-menu a:hover,
.submenu-list a:hover,
.dropdown-menu a:focus,
.submenu-list a:focus {
    background: #f0f8ff;
    color: #007acc;
}

/* Show dropdowns on hover - desktop only */
@media (min-width: 992px) {
    .nav-links > li.has-dropdown:hover > ul.dropdown-menu,
    .nav-links > li.has-dropdown:focus-within > ul.dropdown-menu {
        display: block; /* Kept this as block is default for desktop, could also use flex/grid depending on layout */
        opacity: 1;
        visibility: visible;
    }

    .dropdown-menu li.has-submenu:hover > ul.submenu-list,
    .dropdown-menu li.has-submenu:focus-within > ul.submenu-list {
        display: block; /* Kept this as block is default for desktop */
        opacity: 1;
        visibility: visible;
    }
}