/* Header Styles */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: var(--transition);
}

.site-header.sticky {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
}

.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px;
}

.site-branding {
    flex-shrink: 0;
}

.site-logo img {
    max-height: 50px;
    width: auto;
}

.site-title {
    margin: 0;
    font-size: 24px;
    color: var(--maroon);
}

.site-title a {
    color: inherit;
    text-decoration: none;
}

/* Main Navigation */
.main-navigation {
    display: flex;
}

#primary-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 30px;
}

#primary-menu > li {
    position: relative;
}

#primary-menu .nav-link {
    color: var(--dark-gray);
    text-decoration: none;
    font-weight: 500;
    padding: 10px 0;
    position: relative;
    transition: var(--transition);
}

#primary-menu .nav-link:hover {
    color: var(--maroon);
}

#primary-menu .nav-link:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--maroon);
    transition: var(--transition);
}

#primary-menu .nav-link:hover:after {
    width: 100%;
}

/* Dropdown Menu */
#primary-menu .has-dropdown {
    position: relative;
}

#primary-menu .sub-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--white);
    min-width: 200px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    border-radius: 4px;
    padding: 10px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
    z-index: 100;
}

#primary-menu .has-dropdown:hover .sub-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

#primary-menu .sub-menu li {
    margin: 0;
}

#primary-menu .sub-menu .nav-link {
    display: block;
    padding: 10px 20px;
    color: var(--dark-gray);
    white-space: nowrap;
}

#primary-menu .sub-menu .nav-link:hover {
    background: var(--light-gray);
    color: var(--maroon);
}

/* Mobile Navigation */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
    margin-left: 15px;
}

.hamburger-box {
    width: 24px;
    height: 18px;
    display: inline-block;
    position: relative;
}

.hamburger-inner {
    display: block;
    top: 50%;
    margin-top: -1px;
}

.hamburger-inner,
.hamburger-inner::before,
.hamburger-inner::after {
    width: 24px;
    height: 2px;
    background: var(--maroon);
    position: absolute;
    transition: var(--transition);
}

.hamburger-inner::before,
.hamburger-inner::after {
    content: '';
    display: block;
}

.hamburger-inner::before {
    top: -8px;
}

.hamburger-inner::after {
    bottom: -8px;
}

/* Mobile menu open state */
.menu-toggle.active .hamburger-inner {
    transform: rotate(45deg);
}

.menu-toggle.active .hamburger-inner::before {
    top: 0;
    transform: rotate(0);
    opacity: 0;
}

.menu-toggle.active .hamburger-inner::after {
    bottom: 0;
    transform: rotate(-90deg);
}

/* Mobile Navigation */
@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }

    .main-navigation {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: var(--white);
        transition: left 0.3s ease;
        overflow-y: auto;
    }

    .main-navigation.active {
        left: 0;
    }

    #primary-menu {
        flex-direction: column;
        gap: 0;
        padding: 20px;
    }

    #primary-menu > li {
        border-bottom: 1px solid var(--light-gray);
    }

    #primary-menu .nav-link {
        display: block;
        padding: 15px 0;
    }

    #primary-menu .sub-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        background: var(--light-gray);
        margin-left: 20px;
        display: none;
    }

    #primary-menu .sub-menu.active {
        display: block;
    }

    .dropdown-toggle {
        position: absolute;
        right: 0;
        top: 15px;
        width: 30px;
        height: 30px;
        background: none;
        border: none;
        cursor: pointer;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .dropdown-toggle:after {
        content: '+';
        font-size: 18px;
        transition: var(--transition);
    }

    .dropdown-toggle.active:after {
        content: '-';
    }
}

/* Dark mode header */
[data-theme="dark"] .site-header {
    background: var(--white);
}

[data-theme="dark"] .site-header.sticky {
    background: rgba(26, 26, 26, 0.95);
}

[data-theme="dark"] #primary-menu .sub-menu {
    background: var(--white);
}

[data-theme="dark"] #primary-menu .sub-menu .nav-link:hover {
    background: var(--light-gray);
}