/**
 * Global Header Styles - glovemfg
 * Design tokens from DNA.md
 */

/* ========================================
   CSS Custom Properties (Design Tokens)
   ======================================== */
:root {
    /* Brand Colors from DNA.md */
    --color-primary: #0C2340;
    --color-primary-light: #1A3A5C;
    --color-primary-800: #112D4E;
    --color-cta: #0077B6;
    --color-cta-hover: #005F8A;
    --color-cta-light: #00B4D8;
    --color-accent: #F59E0B;
    --color-neutral-50: #F8FAFC;
    --color-neutral-100: #F1F5F9;
    --color-neutral-200: #E2E8F0;
    --color-neutral-300: #CBD5E1;
    --color-neutral-400: #94A3B8;
    --color-neutral-500: #64748B;
    --color-neutral-600: #475569;
    --color-neutral-700: #334155;
    --color-neutral-800: #1E293B;
    
    /* Header State Variables */
    --header-bg: rgba(255, 255, 255, 0.95);
    --header-fg: var(--color-primary);
    --header-fg-muted: var(--color-neutral-600);
    --header-accent: var(--color-cta);
    --header-border: var(--color-neutral-200);
    --header-surface: #ffffff;
    --header-logo-filter: none;
    
    /* Topbar Variables */
    --topbar-bg: var(--color-primary);
    --topbar-fg: rgba(255, 255, 255, 0.9);
    --topbar-fg-hover: #ffffff;
    --topbar-height: 44px;
    
    /* Main Header Variables */
    --header-main-height: 80px;
    --header-main-height-scrolled: 68px;
    
    /* Typography */
    --font-heading: 'Space Grotesk', system-ui, sans-serif;
    --font-body: 'Inter', system-ui, sans-serif;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-smooth: 350ms cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Container */
    --container-max: 1440px;
    --container-padding: 24px;
}

/* ========================================
   Base Header Structure
   ======================================== */
.site-header {
    position: relative;
    z-index: 1000;
    width: 100%;
    font-family: var(--font-body);
}

.site-header.is-fixed {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
}

.header-container {
    width: 100%; /* Ensures the flex container fully expands */
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* Header Spacer */
.header-spacer {
    display: none;
    height: calc(var(--topbar-height) + var(--header-main-height));
}

.site-header.is-fixed + .header-spacer {
    display: block;
}

.site-header.is-fixed.is-scrolled + .header-spacer {
    height: var(--header-main-height-scrolled);
}

/* ========================================
   Top Bar
   ======================================== */
.header-topbar {
    background: var(--topbar-bg);
    color: var(--topbar-fg);
    height: var(--topbar-height);
    width: 100%;
    display: flex;
    align-items: center;
    transition: 
        opacity var(--transition-smooth),
        transform var(--transition-smooth),
        height var(--transition-smooth),
        padding var(--transition-smooth),
        margin var(--transition-smooth);
}

.site-header.is-scrolled .header-topbar {
    opacity: 0;
    height: 0;
    padding: 0;
    margin: 0;
    overflow: hidden;
    pointer-events: none;
    transform: translateY(-100%);
}

.topbar-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.topbar-left {
    display: flex;
    align-items: center;
    gap: 24px;
}

.topbar-right {
    display: flex;
    align-items: center;
}

.topbar-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--topbar-fg);
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    transition: color var(--transition-fast);
}

.topbar-item:hover {
    color: var(--topbar-fg-hover);
}

.topbar-icon {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

/* Language Switcher */
.language-switcher-wrapper {
    display: flex;
    align-items: center;
    gap: 8px;
    position: relative;
}

.globe-icon {
    width: 18px;
    height: 18px;
    color: var(--topbar-fg);
}

.jcm-language-switcher {
    position: relative;
}

.jcm-language-switcher select,
.jcm-language-switcher .wpml-ls-legacy-dropdown {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--topbar-fg);
    padding: 6px 28px 6px 12px;
    border-radius: 4px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: 
        border-color var(--transition-fast),
        background var(--transition-fast);
    appearance: none;
}

.jcm-language-switcher select:hover,
.jcm-language-switcher .wpml-ls-legacy-dropdown:hover {
    border-color: rgba(255, 255, 255, 0.4);
    background: rgba(255, 255, 255, 0.1);
}

.jcm-language-switcher .wpml-ls-sub-menu {
    position: absolute;
    top: 100%;
    right: 0;
    min-width: 140px;
    background: var(--header-surface);
    border: 1px solid var(--header-border);
    border-radius: 8px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.12);
    padding: 8px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: 
        opacity var(--transition-base),
        transform var(--transition-base),
        visibility var(--transition-base);
    z-index: 100;
}

.jcm-language-switcher:hover .wpml-ls-sub-menu,
.jcm-language-switcher.is-open .wpml-ls-sub-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(4px);
}

.jcm-language-switcher .wpml-ls-sub-menu a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    color: var(--header-fg);
    text-decoration: none;
    font-size: 14px;
    transition: background var(--transition-fast);
}

.jcm-language-switcher .wpml-ls-sub-menu a:hover {
    background: var(--color-neutral-100);
}

/* ========================================
   Main Header
   ======================================== */
.header-main {
    background: var(--header-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--header-border);
    height: var(--header-main-height);
    display: flex;
    align-items: center;
    width: 100%;
    transition: 
        height var(--transition-smooth),
        background var(--transition-smooth),
        box-shadow var(--transition-smooth);
}

.site-header.is-scrolled .header-main {
    height: var(--header-main-height-scrolled);
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06);
}

.header-inner {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 32px;
    width: 100%;
}

/* ========================================
   Logo / Brand
   ======================================== */
.header-brand {
    display: flex;
    align-items: center;
}

.logo-link {
    display: flex;
    align-items: center;
    text-decoration: none;
    transition: opacity var(--transition-fast);
}

.logo-link:hover {
    opacity: 0.85;
}

.logo-image {
    height: 32px;
    width: auto;
    max-width: 220px;
    filter: var(--header-logo-filter);
    transition: 
        filter var(--transition-base),
        height var(--transition-smooth);
}

.site-header.is-scrolled .logo-image {
    height: 28px;
}

/* ========================================
   Primary Navigation
   ======================================== */
.header-nav {
    display: flex;
    justify-content: center;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 8px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 10px 16px;
    color: var(--header-fg);
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    border-radius: 6px;
    background: transparent;
    border: none;
    cursor: pointer;
    transition: 
        color var(--transition-fast),
        background var(--transition-fast);
}

.nav-link:hover {
    color: var(--header-accent);
    background: var(--color-neutral-100);
}

.nav-item.is-active .nav-link {
    color: var(--header-accent);
}

.nav-item.is-active .nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 16px;
    right: 16px;
    height: 2px;
    background: var(--header-accent);
    border-radius: 1px;
}

.nav-chevron {
    width: 16px;
    height: 16px;
    transition: transform var(--transition-fast);
}

.nav-item-products.is-open .nav-chevron {
    transform: rotate(180deg);
}

/* ========================================
   Header Actions
   ======================================== */
.header-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 16px;
}

.header-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: var(--color-cta);
    color: #ffffff;
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    border-radius: 8px;
    transition: 
        background var(--transition-fast),
        transform var(--transition-fast),
        box-shadow var(--transition-fast);
}

.header-cta:hover {
    background: var(--color-cta-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 119, 182, 0.3);
}

.cta-arrow {
    width: 16px;
    height: 16px;
    transition: transform var(--transition-fast);
}

.header-cta:hover .cta-arrow {
    transform: translateX(3px);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    padding: 0;
    background: transparent;
    border: none;
    cursor: pointer;
}

.hamburger-line {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--header-fg);
    border-radius: 1px;
    transition: 
        transform var(--transition-base),
        opacity var(--transition-base);
}

.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);
}

/* ========================================
   Mega Menu
   ======================================== */
.mega-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--header-surface);
    border-top: 1px solid var(--header-border);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: 
        opacity var(--transition-base),
        transform var(--transition-base),
        visibility var(--transition-base);
    pointer-events: none;
}

.mega-menu.is-open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
}

.mega-menu-inner {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 32px var(--container-padding) 40px;
}

.mega-menu-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr) minmax(200px, 240px);
    gap: 24px;
}

.mega-menu-category {
    padding: 8px 0;
}

.mega-category-title {
    display: block;
    color: var(--header-fg);
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    margin-bottom: 8px;
    transition: color var(--transition-fast);
}

.mega-category-title:hover {
    color: var(--header-accent);
}

.mega-category-desc {
    color: var(--header-fg-muted);
    font-size: 13px;
    line-height: 1.5;
    margin: 0 0 16px;
}

.mega-category-links {
    list-style: none;
    margin: 0;
    padding: 0;
}

.mega-category-links li {
    margin-bottom: 8px;
}

.mega-category-links a {
    color: var(--color-neutral-600);
    font-size: 13px;
    text-decoration: none;
    transition: color var(--transition-fast);
}

.mega-category-links a:hover {
    color: var(--header-accent);
}

.mega-view-all {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin-top: 12px;
    color: var(--header-accent);
    font-size: 13px;
    font-weight: 600;
    text-decoration: none;
    transition: gap var(--transition-fast);
}

.mega-view-all:hover {
    gap: 8px;
}

.mega-view-all svg {
    width: 14px;
    height: 14px;
}

/* Mega Menu Support Column */
.mega-menu-support {
    padding-left: 24px;
    border-left: 1px solid var(--header-border);
}

.mega-support-card {
    background: var(--color-neutral-50);
    border-radius: 12px;
    padding: 24px;
    height: 100%;
}

.mega-support-card h4 {
    color: var(--header-fg);
    font-size: 15px;
    font-weight: 600;
    margin: 0 0 8px;
}

.mega-support-card p {
    color: var(--header-fg-muted);
    font-size: 13px;
    line-height: 1.6;
    margin: 0 0 16px;
}

.mega-support-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--header-accent);
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    transition: gap var(--transition-fast);
}

.mega-support-link:hover {
    gap: 10px;
}

.mega-support-link svg {
    width: 16px;
    height: 16px;
}

/* ========================================
   Mobile Menu
   ======================================== */
.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--header-surface);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transform: translateX(100%);
    transition: 
        opacity var(--transition-smooth),
        transform var(--transition-smooth),
        visibility var(--transition-smooth);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

.mobile-menu.is-open {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

.mobile-menu-inner {
    padding: calc(var(--topbar-height) + var(--header-main-height) + 24px) var(--container-padding) 32px;
    min-height: 100%;
    display: flex;
    flex-direction: column;
}

.mobile-nav {
    flex: 1;
}

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

.mobile-nav-item {
    border-bottom: 1px solid var(--header-border);
}

.mobile-nav-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 18px 0;
    color: var(--header-fg);
    font-size: 17px;
    font-weight: 500;
    text-decoration: none;
    background: transparent;
    border: none;
    cursor: pointer;
    text-align: left;
}

.mobile-nav-item.is-active > .mobile-nav-link {
    color: var(--header-accent);
}

.mobile-nav-chevron {
    width: 20px;
    height: 20px;
    color: var(--color-neutral-400);
    transition: transform var(--transition-base);
}

.mobile-nav-accordion[aria-expanded="true"] .mobile-nav-chevron {
    transform: rotate(180deg);
}

/* Mobile Submenu */
.mobile-submenu {
    display: none;
    padding: 0 0 16px;
}

.mobile-nav-accordion[aria-expanded="true"] + .mobile-submenu {
    display: block;
}

.mobile-submenu-group {
    margin-bottom: 20px;
}

.mobile-submenu-group:last-child {
    margin-bottom: 0;
}

.mobile-submenu-title {
    display: block;
    color: var(--header-fg);
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    margin-bottom: 10px;
    padding-left: 16px;
}

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

.mobile-submenu-links li {
    margin-bottom: 6px;
}

.mobile-submenu-links a {
    display: block;
    padding: 8px 16px 8px 28px;
    color: var(--color-neutral-600);
    font-size: 14px;
    text-decoration: none;
    transition: color var(--transition-fast);
}

.mobile-submenu-links a:hover {
    color: var(--header-accent);
}

/* Mobile Menu Footer */
.mobile-menu-footer {
    margin-top: auto;
    padding-top: 24px;
    border-top: 1px solid var(--header-border);
}

.mobile-cta {
    display: block;
    width: 100%;
    padding: 16px;
    background: var(--color-cta);
    color: #ffffff;
    font-size: 16px;
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    border-radius: 10px;
    margin-bottom: 20px;
    transition: background var(--transition-fast);
}

.mobile-cta:hover {
    background: var(--color-cta-hover);
}

.mobile-contact {
    display: flex;
    flex-direction: column;
    gap: 8px;
    text-align: center;
}

.mobile-contact a {
    color: var(--color-neutral-600);
    font-size: 14px;
    text-decoration: none;
}

.mobile-contact a:hover {
    color: var(--header-accent);
}

/* ========================================
   Responsive Styles
   ======================================== */
@media (max-width: 1200px) {
    .mega-menu-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 32px;
    }
    
    .mega-menu-support {
        grid-column: span 3;
        padding-left: 0;
        padding-top: 24px;
        border-left: none;
        border-top: 1px solid var(--header-border);
    }
    
    .mega-support-card {
        max-width: 400px;
    }
}

@media (max-width: 1024px) {
    :root {
        --header-main-height: 72px;
        --header-main-height-scrolled: 64px;
        --container-padding: 20px;
    }
    
    .header-nav {
        display: none;
    }
    
    .mega-menu {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .header-inner {
        grid-template-columns: 1fr auto;
    }
    
    .header-cta {
        display: none;
    }
    
    .logo-image {
        height: 28px;
    }
}

@media (max-width: 768px) {
    :root {
        --topbar-height: 40px;
        --header-main-height: 64px;
        --header-main-height-scrolled: 60px;
        --container-padding: 16px;
    }
    
    .topbar-left {
        gap: 16px;
    }
    
    .topbar-item span {
        display: none;
    }
    
    .topbar-icon {
        width: 18px;
        height: 18px;
    }
    
    .logo-image {
        height: 24px;
        max-width: 180px;
    }
    
    .mobile-menu-inner {
        padding-top: calc(var(--topbar-height) + var(--header-main-height) + 16px);
    }
}

@media (max-width: 480px) {
    .topbar-email {
        display: none;
    }
    
    .logo-image {
        max-width: 160px;
    }
}

/* ========================================
   Accessibility & Focus States
   ======================================== */
.nav-link:focus-visible,
.header-cta:focus-visible,
.mobile-menu-toggle:focus-visible,
.mobile-nav-link:focus-visible,
.logo-link:focus-visible {
    outline: 2px solid var(--header-accent);
    outline-offset: 2px;
}

.mega-category-links a:focus-visible,
.mega-view-all:focus-visible,
.mega-support-link:focus-visible {
    outline: 2px solid var(--header-accent);
    outline-offset: 2px;
    border-radius: 2px;
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        transition-duration: 0.01ms !important;
    }
}

/* Print Styles */
@media print {
    .site-header {
        position: relative !important;
        box-shadow: none !important;
    }
    
    .header-topbar,
    .mobile-menu-toggle,
    .header-cta,
    .mega-menu,
    .mobile-menu {
        display: none !important;
    }
}