/* ============================================
   MunchMigo Theme - Header Styles
   ============================================ */

.header {
    background-color: var(--color-white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: all var(--transition-normal);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
    position: relative;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    z-index: 1001;
}

.logo img,
.logo .custom-logo,
.custom-logo-link img {
    max-height: 80px;
    width: auto;
}

.logo .site-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
}

/* ============================================
   Nav Menu
   ============================================ */
.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-xl);
    align-items: center;
    margin: 0;
    padding: 0;
}

.nav-menu .menu-item {
    list-style: none;
    position: relative;
}

/* ============================================
   Nav Link with Hover Underline Animation
   ============================================ */
.nav-link {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-dark);
    text-decoration: none;
    padding: var(--spacing-sm) 0;
    display: inline-block;
    position: relative;
    transition: color var(--transition-normal);
}

/* Animated underline */
.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: width var(--transition-normal);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

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

/* ============================================
   Dropdown Menus
   ============================================ */

/* Parent item with children - replace underline with arrow */
.menu-item-has-children > .nav-link::after {
    content: '';
    position: relative;
    display: inline-block;
    width: 6px;
    height: 6px;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: rotate(45deg);
    margin-left: 6px;
    vertical-align: middle;
    top: -2px;
    bottom: auto;
    left: auto;
    background: none;
    transition: transform var(--transition-fast);
}

.menu-item-has-children:hover > .nav-link::after {
    transform: rotate(-135deg);
    top: 1px;
    width: 6px;
    background: none;
}

/* Dropdown (sub-menu) */
.sub-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 220px;
    background-color: var(--color-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-sm) 0;
    list-style: none;
    margin: 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition-normal);
    z-index: 1000;
    border-top: 3px solid var(--color-primary);
}

/* Show dropdown on hover */
.menu-item-has-children:hover > .sub-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* Dropdown items */
.sub-menu .menu-item {
    width: 100%;
}

.sub-menu .nav-link {
    display: block;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 0.875rem;
    color: var(--color-dark);
    transition: all var(--transition-fast);
    white-space: nowrap;
}

/* Override the underline for dropdown links */
.sub-menu .nav-link::after {
    display: none;
}

.sub-menu .nav-link:hover,
.sub-menu .nav-link.active {
    color: var(--color-primary);
    background-color: rgba(114, 214, 214, 0.08);
    padding-left: calc(var(--spacing-lg) + 4px);
}

/* Nested dropdown (sub-sub-menu) */
.sub-menu .menu-item-has-children > .sub-menu {
    top: 0;
    left: 100%;
    border-top: none;
    border-left: 3px solid var(--color-primary);
}

.sub-menu .menu-item-has-children > .nav-link::after {
    transform: rotate(-45deg);
    margin-left: auto;
    position: absolute;
    right: var(--spacing-md);
    top: 50%;
    margin-top: -3px;
    background: none;
    width: 6px;
    height: 6px;
    display: inline-block;
}

.sub-menu .menu-item-has-children:hover > .nav-link::after {
    transform: rotate(-45deg);
    background: none;
    width: 6px;
}

/* ============================================
   Header Button
   ============================================ */
.menu-item-button {
    margin-left: var(--spacing-md);
}

.menu-item-button .btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 0.875rem;
    white-space: nowrap;
}

/* No underline on button */
.menu-item-button .btn::after {
    display: none;
}

/* ============================================
   Nav Toggle Button
   ============================================ */
.nav-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
    z-index: 1001;
    position: relative;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--color-dark);
    margin: 3px 0;
    transition: all var(--transition-normal);
    display: block;
    border-radius: 2px;
}

/* ============================================
   Mobile Navigation
   ============================================ */
@media (max-width: 991px) {
    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        flex-direction: column;
        background-color: var(--color-white);
        padding: 100px var(--spacing-xl) var(--spacing-xl);
        gap: 0;
        opacity: 0;
        visibility: hidden;
        transform: translateY(-20px);
        transition: all var(--transition-normal);
        z-index: 1000;
        overflow-y: auto;
        justify-content: flex-start;
        align-items: stretch;
    }

    .nav-menu.active {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }

    .nav-menu > .menu-item {
        width: 100%;
        text-align: center;
        border-bottom: 1px solid var(--color-light);
    }

    .nav-menu > .menu-item:last-child {
        border-bottom: none;
    }

    .nav-link {
        font-size: 1.125rem;
        padding: var(--spacing-md) 0;
        display: block;
    }

    /* Hide the underline animation on mobile */
    .nav-link::after {
        display: none;
    }

    /* Hide the CSS arrow on mobile (JS toggle button is used instead) */
    .menu-item-has-children > .nav-link::after {
        display: none;
    }

    /* Mobile dropdown toggle button */
    .menu-item-has-children {
        position: relative;
    }

    .dropdown-toggle {
        position: absolute;
        right: 0;
        top: 0;
        width: 50px;
        height: 50px;
        display: flex;
        align-items: center;
        justify-content: center;
        background: none;
        border: none;
        cursor: pointer;
        z-index: 2;
    }

    .dropdown-toggle svg {
        width: 16px;
        height: 16px;
        color: var(--color-gray);
        transition: transform var(--transition-fast);
    }

    .dropdown-toggle.open svg {
        transform: rotate(180deg);
    }

    /* Mobile sub-menu */
    .sub-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border-top: none;
        border-radius: 0;
        background-color: var(--color-light);
        padding: 0;
        max-height: 0;
        overflow: hidden;
        transition: max-height var(--transition-normal);
    }

    .sub-menu.open {
        max-height: 500px;
    }

    .sub-menu .nav-link {
        font-size: 1rem;
        padding: var(--spacing-md) var(--spacing-lg);
    }

    .sub-menu .nav-link:hover,
    .sub-menu .nav-link.active {
        padding-left: var(--spacing-lg);
        background-color: rgba(114, 214, 214, 0.1);
    }

    /* Nested sub-menu on mobile */
    .sub-menu .sub-menu {
        background-color: rgba(0, 0, 0, 0.03);
        border-left: none;
    }

    /* Header button mobile */
    .menu-item-button {
        margin-left: 0;
        margin-top: var(--spacing-md);
        padding: var(--spacing-md) 0;
        border-bottom: none !important;
    }

    .menu-item-button .btn {
        display: block;
        width: 100%;
        padding: var(--spacing-md) var(--spacing-xl);
        font-size: 1rem;
    }

    /* Hamburger Animation */
    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 7px);
    }

    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
        transform: translateX(-10px);
    }

    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -7px);
    }
}

@media (max-width: 480px) {
    .nav-link {
        font-size: 1rem;
    }
}