/* ==========================================================================
   Header Styles
   ========================================================================== */

.site-header {
    position: relative;
    width: 100%;
    z-index: 1000;
    background-color: var(--prok9-black);
    transition: background-color var(--prok9-transition), box-shadow var(--prok9-transition);
}

/* Sticky Header */
.sticky-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
}

.sticky-header.scrolled {
    background-color: var(--prok9-black);
    box-shadow: var(--prok9-shadow-md);
}

/* Transparent Header (for hero pages) */
.header-transparent {
    background-color: transparent;
    position: absolute;
}

.header-transparent.scrolled {
    position: fixed;
    background-color: var(--prok9-black);
}

/* Header Inner */
.header-inner {
    padding: 1rem 0;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

/* Site Branding / Logo */
.site-branding {
    flex-shrink: 0;
}

.site-logo-link {
    display: flex;
    align-items: center;
    text-decoration: none;
}

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

.site-title-text {
    font-family: var(--prok9-font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--prok9-white);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Main Navigation */
.main-navigation {
    flex-grow: 1;
    display: flex;
    justify-content: center;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-menu li {
    position: relative;
}

.nav-menu > li > a {
    display: block;
    padding: 0.75rem 1rem;
    color: var(--prok9-white);
    font-family: var(--prok9-font-heading);
    font-size: 0.875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    text-decoration: none;
    transition: color var(--prok9-transition-fast);
}

.nav-menu > li > a:hover,
.nav-menu > li.current-menu-item > a,
.nav-menu > li.current-menu-parent > a {
    color: var(--prok9-orange);
}

/* Dropdown Menus */
.nav-menu .sub-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 220px;
    background-color: var(--prok9-white);
    box-shadow: var(--prok9-shadow-lg);
    border-radius: var(--prok9-radius-sm);
    padding: 0.5rem 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--prok9-transition);
    list-style: none;
    margin: 0;
}

.nav-menu li:hover > .sub-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.nav-menu .sub-menu li a {
    display: block;
    padding: 0.625rem 1.25rem;
    color: var(--prok9-grey-dark);
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
    transition: all var(--prok9-transition-fast);
}

.nav-menu .sub-menu li a:hover {
    background-color: var(--prok9-grey-light);
    color: var(--prok9-orange);
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.header-actions a,
.header-actions button {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--prok9-white);
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    transition: color var(--prok9-transition-fast);
}

.header-actions a:hover,
.header-actions button:hover {
    color: var(--prok9-orange);
}

.header-actions .icon {
    width: 22px;
    height: 22px;
}

/* Account Link */
.header-account-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.account-label {
    font-size: 0.875rem;
    font-weight: 500;
}

/* Cart Link */
.header-cart-link {
    position: relative;
}

.cart-count {
    position: absolute;
    top: -4px;
    right: -4px;
    min-width: 18px;
    height: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--prok9-orange);
    color: var(--prok9-white);
    font-size: 0.625rem;
    font-weight: 700;
    border-radius: 50%;
    opacity: 0;
    transform: scale(0.5);
    transition: all var(--prok9-transition-fast);
}

.cart-count.has-items {
    opacity: 1;
    transform: scale(1);
}

/* Search Toggle */
.search-toggle {
    padding: 0.5rem;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 44px;
    height: 44px;
    padding: 0.5rem;
    gap: 5px;
}

.hamburger-line {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--prok9-white);
    transition: all var(--prok9-transition);
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* Search Overlay */
.search-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: var(--prok9-black);
    padding: 2rem 0;
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--prok9-transition);
    z-index: 1001;
}

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

.search-overlay .container {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.search-overlay .search-form {
    flex-grow: 1;
    display: flex;
    gap: 1rem;
}

.search-overlay .search-field {
    flex-grow: 1;
    background-color: var(--prok9-grey-dark);
    border-color: var(--prok9-grey-medium);
    color: var(--prok9-white);
}

.search-overlay .search-field::placeholder {
    color: var(--prok9-grey-medium);
}

.search-close {
    background: transparent;
    border: none;
    color: var(--prok9-white);
    cursor: pointer;
    padding: 0.5rem;
    transition: color var(--prok9-transition-fast);
}

.search-close:hover {
    color: var(--prok9-orange);
}

.search-close .icon {
    width: 24px;
    height: 24px;
}

/* Mobile Navigation */
.mobile-navigation {
    position: fixed;
    top: 0;
    right: 0;
    width: 100%;
    max-width: 400px;
    height: 100vh;
    background-color: var(--prok9-black);
    z-index: 1002;
    transform: translateX(100%);
    transition: transform var(--prok9-transition);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}

.mobile-navigation.active {
    transform: translateX(0);
}

.mobile-nav-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.mobile-nav-close {
    background: transparent;
    border: none;
    color: var(--prok9-white);
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-nav-close .icon {
    width: 24px;
    height: 24px;
}

.mobile-nav-content {
    flex-grow: 1;
    padding: 1.5rem;
}

.mobile-menu {
    list-style: none;
    margin: 0;
    padding: 0;
}

.mobile-menu li {
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.mobile-menu li a {
    display: block;
    padding: 1rem 0;
    color: var(--prok9-white);
    font-family: var(--prok9-font-heading);
    font-size: 1.125rem;
    font-weight: 500;
    text-decoration: none;
    transition: color var(--prok9-transition-fast);
}

.mobile-menu li a:hover,
.mobile-menu li.current-menu-item a {
    color: var(--prok9-orange);
}

.mobile-menu .sub-menu {
    list-style: none;
    margin: 0;
    padding: 0 0 0 1rem;
}

.mobile-menu .sub-menu li a {
    font-size: 1rem;
    padding: 0.75rem 0;
}

.mobile-nav-footer {
    padding: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.mobile-nav-actions {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.mobile-nav-actions a {
    color: var(--prok9-white);
}

.mobile-social-links {
    display: flex;
    gap: 1rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.mobile-social-links a {
    color: var(--prok9-white);
}

.mobile-social-links .social-icon {
    width: 20px;
    height: 20px;
}

.mobile-social-links .social-label {
    display: none;
}

/* Mobile Nav Overlay */
.mobile-nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1001;
    opacity: 0;
    visibility: hidden;
    transition: all var(--prok9-transition);
}

.mobile-nav-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* Body padding for sticky header */
body.admin-bar .sticky-header {
    top: 32px;
}

body.has-sticky-header {
    padding-top: 82px;
}

body.has-sticky-header.has-transparent-header {
    padding-top: 0;
}

/* Responsive */
@media (max-width: 992px) {
    .main-navigation {
        display: none;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .header-actions .account-label {
        display: none;
    }
}

@media (max-width: 576px) {
    .header-content {
        gap: 1rem;
    }

    .header-actions {
        gap: 0.5rem;
    }

    .site-logo {
        max-height: 40px;
    }
}

@media (max-width: 782px) {
    body.admin-bar .sticky-header {
        top: 46px;
    }
}