/* Reset and base styles for header */
:root {
    --header-height: 80px;
    --primary-color: #00325F;
    --secondary-color: #FDB103;
    --white: #ffffff;
    --neutral-200: #E0E0E0;
    --neutral-800: #505050;
    --transition: all 0.3s ease;
}

/* Header Container */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Logo */
.logo {
    z-index: 1001;
}

.logo img {
    height: 40px;
    width: auto;
    transition: var(--transition);
}

/* Navigation */
.main-nav {
    display: flex;
    align-items: center;
    height: 100%;
}

.nav-list {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    height: 100%;
}

.nav-item {
    position: relative;
    height: 100%;
    display: flex;
    align-items: center;
}

.nav-link {
    color: var(--neutral-800);
    text-decoration: none;
    font-weight: 500;
    padding: 0 1.25rem;
    height: 100%;
    display: flex;
    align-items: center;
    transition: var(--transition);
    position: relative;
    font-size: 1rem;
}

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

/* Dropdown Toggle */
.dropdown-toggle {
    background: none;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    padding: 0 1.25rem;
    height: 100%;
    font-family: inherit;
    font-size: 1rem;
    color: var(--neutral-800);
    font-weight: 500;
    transition: var(--transition);
}

.dropdown-arrow {
    margin-left: 0.5rem;
    transition: transform 0.3s ease;
}

.has-dropdown:hover .dropdown-arrow {
    transform: rotate(180deg);
}

/* Mobile Toggle */
.mobile-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1001;
}

.hamburger {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--primary-color);
    position: relative;
    transition: var(--transition);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 2px;
    background: var(--primary-color);
    left: 0;
    transition: var(--transition);
}

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

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

/* Mobile Menu Styles */
@media (max-width: 992px) {
    .mobile-toggle {
        display: block;
    }

    .main-nav {
        position: fixed;
        top: var(--header-height); /* appear below fixed header */
        right: -100%;
        width: 80%;
        max-width: 400px;
        height: 100vh;
        background: var(--white);
        flex-direction: column;
        padding: 2rem 1.5rem; /* reduce extra gap since we offset by header height */
        transition: right 0.3s ease;
        box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
        z-index: 10005; /* above header containers/fixes */
        overflow-y: auto;
    }

    .main-nav.is-visible {
        right: 0;
    }

    /* Also open menu when toggle ARIA says expanded (CSS fallback) */
    .mobile-toggle[aria-expanded="true"] ~ .main-nav {
        right: 0;
    }

    .nav-list {
        flex-direction: column;
        width: 100%;
        height: auto;
    }

    .nav-item {
        width: 100%;
        height: auto;
        border-bottom: 1px solid var(--neutral-200);
    }

    .nav-link,
    .dropdown-toggle {
        width: 100%;
        padding: 1rem 0;
        justify-content: space-between;
    }

    .has-dropdown {
        flex-direction: column;
    }

    .dropdown-arrow {
        transition: transform 0.3s ease;
    }

    .has-dropdown.active .dropdown-arrow {
        transform: rotate(180deg);
    }
}

/* Body padding for fixed header */
body {
    padding-top: var(--header-height) !important;
}

/* Ensure no conflicts with other styles */
.site-header * {
    box-sizing: border-box;
}

/* Hide scrollbar when mobile menu is open */
body.menu-open {
    overflow: hidden;
}

/* Active state for mobile menu */
.mobile-toggle[aria-expanded="true"] .hamburger {
    background: transparent;
}

.mobile-toggle[aria-expanded="true"] .hamburger::before {
    transform: translateY(8px) rotate(45deg);
}

.mobile-toggle[aria-expanded="true"] .hamburger::after {
    transform: translateY(-8px) rotate(-45deg);
}