/*
 * MVMHardware — Global Header Styles
 * Tokens sourced from DNA.md
 * States: default (flow), .is-scrolled (fixed), mega menu open, mobile drawer
 */

/* ── Design Tokens ──────────────────────────────────────────────── */
:root {
    /* Header surface / foreground tokens — default (top-of-page) state */
    --header-bg:           #FFFFFF;
    --header-fg:           #1A2B3C;
    --header-accent:       #E67E22;
    --header-accent-hover: #D35400;
    --header-border:       rgba(26,43,60,0.10);
    --header-surface:      #FFFFFF;
    --header-logo-filter:  none;

    /* Topbar */
    --topbar-bg:           #1A2B3C;
    --topbar-fg:           rgba(255,255,255,0.78);
    --topbar-fg-hover:     #FFFFFF;
    --topbar-border:       rgba(255,255,255,0.08);

    /* Scrolled state overrides (applied via .is-scrolled on #site-header) */
    --scrolled-bg:         #FFFFFF;
    --scrolled-fg:         #1A2B3C;
    --scrolled-shadow:     0 2px 20px rgba(13,24,32,0.10);

    /* Mega menu */
    --mega-bg:             #FFFFFF;
    --mega-border:         rgba(26,43,60,0.08);
    --mega-shadow:         0 12px 40px rgba(13,24,32,0.12);
    --mega-cat-color:      #1A2B3C;
    --mega-link-color:     #445566;
    --mega-link-hover:     #E67E22;

    /* Mobile drawer */
    --drawer-bg:           #0D1820;
    --drawer-fg:           #EEF2F5;
    --drawer-accent:       #E67E22;
    --drawer-border:       rgba(255,255,255,0.08);

    /* Layout */
    --header-container-max: 1440px;
    --header-px:            1.5rem;
    --topbar-height:        2.75rem;
    --main-header-height:   5rem;
    --scrolled-header-height: 4rem;
    --header-logo-width:    216px;
    --header-logo-scale-scrolled: 0.84;

    /* Transitions */
    --header-transition: 0.32s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Reset / Base ───────────────────────────────────────────────── */
.site-header *,
.site-header *::before,
.site-header *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

.site-header {
    position: relative;
    z-index: 1000;
    font-family: 'Source Sans 3', 'Source Sans Pro', sans-serif;
    -webkit-font-smoothing: antialiased;
}

/* ── Container ──────────────────────────────────────────────────── */
.header-container {
    width: 100%;
    max-width: var(--header-container-max);
    margin-inline: auto;
    padding-inline: var(--header-px);
}

/* ── Top Bar ────────────────────────────────────────────────────── */
.header-topbar {
    background-color: var(--topbar-bg);
    border-bottom: 1px solid var(--topbar-border);
    overflow: hidden;
    max-height: var(--topbar-height);
    transition:
        max-height var(--header-transition),
        opacity    var(--header-transition),
        padding    var(--header-transition);
    will-change: max-height, opacity;
}

.topbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--topbar-height);
    gap: 1rem;
}

.topbar-left {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    flex-wrap: nowrap;
    overflow: hidden;
}

.topbar-right {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.topbar-item {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--topbar-fg);
    text-decoration: none;
    font-size: 0.8125rem;
    font-weight: 500;
    letter-spacing: 0.01em;
    white-space: nowrap;
    transition: color 0.18s ease;
}

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

.topbar-icon {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
    opacity: 0.85;
}

.topbar-text {
    line-height: 1;
}

.topbar-divider {
    display: block;
    width: 1px;
    height: 14px;
    background: var(--topbar-border);
    flex-shrink: 0;
}

.topbar-service {
    color: var(--topbar-fg);
    font-size: 0.8125rem;
    font-weight: 500;
}

/* ── Language Switcher ──────────────────────────────────────────── */
.lang-switcher-wrap {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    position: relative;
    color: var(--topbar-fg);
}

.lang-globe {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
    opacity: 0.75;
}

/* WPML / JCM switcher shell */
.lang-switcher-wrap .jcm-language-switcher {
    position: relative;
}

.lang-switcher-wrap .jcm-language-switcher select,
.lang-switcher-wrap .jcm-language-switcher > a,
.lang-switcher-wrap .jcm-language-switcher > button {
    background: transparent;
    border: none;
    color: var(--topbar-fg);
    font-size: 0.8125rem;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    padding: 0.25rem 0.5rem;
    border-radius: 3px;
    transition: color 0.18s ease, background 0.18s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
}

.lang-switcher-wrap .jcm-language-switcher > a:hover,
.lang-switcher-wrap .jcm-language-switcher > button:hover {
    color: var(--topbar-fg-hover);
    background: rgba(255,255,255,0.08);
}

/* Dropdown list from WPML/JCM */
.lang-switcher-wrap .jcm-language-switcher ul {
    position: absolute;
    top: calc(100% + 6px);
    right: 0;
    min-width: 140px;
    background: var(--header-surface);
    border: 1px solid var(--header-border);
    border-radius: 6px;
    box-shadow: 0 8px 24px rgba(13,24,32,0.12);
    list-style: none;
    padding: 0.35rem 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-6px);
    transition:
        opacity 0.22s ease,
        transform 0.22s ease,
        visibility 0.22s ease;
    z-index: 200;
}

.lang-switcher-wrap:hover .jcm-language-switcher ul,
.lang-switcher-wrap.is-open .jcm-language-switcher ul {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-switcher-wrap .jcm-language-switcher ul li a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.45rem 0.85rem;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--header-fg);
    text-decoration: none;
    transition: background 0.15s ease, color 0.15s ease;
    white-space: nowrap;
}

.lang-switcher-wrap .jcm-language-switcher ul li a:hover {
    background: rgba(230,126,34,0.07);
    color: var(--header-accent);
}

/* ── Main Header ────────────────────────────────────────────────── */
.header-main {
    background-color: var(--header-bg);
    border-bottom: 1px solid var(--header-border);
    position: relative;
    transition:
        background-color var(--header-transition),
        box-shadow       var(--header-transition),
        border-color     var(--header-transition);
}

.header-main-inner {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    height: var(--main-header-height);
    gap: 1rem;
    transition: height var(--header-transition);
}

/* ── Logo ───────────────────────────────────────────────────────── */
.header-brand {
    display: flex;
    align-items: center;
    justify-content: flex-start;
}

.header-logo-link {
    display: inline-flex;
    align-items: center;
    flex-shrink: 0;
    text-decoration: none;
}

.logo-image {
    width: var(--header-logo-width);
    max-width: 100%;
    height: auto;
    display: block;
    filter: var(--header-logo-filter);
    transform: scale(1);
    transform-origin: left center;
    will-change: transform;
    transition:
        transform var(--header-transition),
        filter var(--header-transition),
        opacity 0.22s ease;
}

.header-logo-link:hover .logo-image {
    opacity: 0.88;
}

/* ── Primary Nav ────────────────────────────────────────────────── */
.header-nav {
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    list-style: none;
}

.nav-link {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.5rem 0.85rem;
    font-size: 0.9375rem;
    font-weight: 600;
    font-family: 'Source Sans 3', sans-serif;
    color: var(--header-fg);
    text-decoration: none;
    border-radius: 4px;
    background: none;
    border: none;
    cursor: pointer;
    letter-spacing: 0.01em;
    white-space: nowrap;
    transition: color 0.18s ease, background 0.18s ease;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 0.85rem;
    right: 0.85rem;
    height: 2px;
    background: var(--header-accent);
    border-radius: 1px;
    transform: scaleX(0);
    transform-origin: left center;
    transition: transform 0.22s ease;
}

.nav-link:hover {
    color: var(--header-accent);
    background: rgba(230,126,34,0.05);
}

.nav-link:hover::after {
    transform: scaleX(1);
}

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

.nav-item.is-active .nav-link::after {
    transform: scaleX(1);
}

.nav-chevron {
    width: 10px;
    height: 7px;
    flex-shrink: 0;
    transition: transform 0.22s ease;
}

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

/* ── Header Actions ─────────────────────────────────────────────── */
.header-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.75rem;
}

.btn-quote {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.6rem 1.35rem;
    background: var(--header-accent);
    color: #FFFFFF;
    font-size: 0.9rem;
    font-weight: 700;
    font-family: 'Source Sans 3', sans-serif;
    letter-spacing: 0.02em;
    text-decoration: none;
    border-radius: 4px;
    white-space: nowrap;
    transition: background 0.18s ease, box-shadow 0.18s ease;
    box-shadow: 0 2px 8px rgba(230,126,34,0.25);
}

.btn-quote:hover {
    background: var(--header-accent-hover);
    box-shadow: 0 4px 14px rgba(230,126,34,0.35);
}

.btn-arrow {
    width: 13px;
    height: 10px;
    flex-shrink: 0;
}

/* ── Hamburger ──────────────────────────────────────────────────── */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    background: none;
    border: 1px solid var(--header-border);
    border-radius: 4px;
    cursor: pointer;
    padding: 0;
    transition: border-color 0.18s ease;
}

.mobile-menu-toggle:hover {
    border-color: var(--header-accent);
}

.hamburger-bar {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--header-fg);
    border-radius: 1px;
    transition: background 0.18s ease, transform 0.22s ease, opacity 0.18s ease;
}

/* ── Mega Menu Panel ────────────────────────────────────────────── */
/*
 * The panel is a sibling of header-main-inner, anchored to .header-main.
 * Visibility is controlled by .mega-is-open on #site-header.
 */
.mega-menu-panel {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    z-index: 900;
    background: var(--mega-bg);
    border-top: 2px solid var(--header-accent);
    border-bottom: 1px solid var(--mega-border);
    box-shadow: var(--mega-shadow);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition:
        opacity    0.26s ease,
        transform  0.26s ease,
        visibility 0.26s ease;
    pointer-events: none;
    will-change: opacity, transform;
}

/* Open state — class placed on #site-header by JS */
.site-header.mega-is-open .mega-menu-panel {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
}

.mega-menu-inner {
    padding-block: 2rem 2.25rem;
}

.mega-cols {
    display: grid;
    grid-template-columns: repeat(5, 1fr) 220px;
    gap: 0;
    align-items: start;
}

.mega-col {
    padding: 0 1.25rem;
    border-right: 1px solid var(--mega-border);
}

.mega-col:first-child {
    padding-left: 0;
}

.mega-col:last-child {
    border-right: none;
}

.mega-col-head {
    margin-bottom: 0.85rem;
}

.mega-cat-title {
    display: block;
    font-family: 'Rajdhani', sans-serif;
    font-size: 1rem;
    font-weight: 700;
    color: var(--mega-cat-color);
    text-decoration: none;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    margin-bottom: 0.35rem;
    transition: color 0.16s ease;
}

.mega-cat-title:hover {
    color: var(--mega-link-hover);
}

.mega-cat-desc {
    font-size: 0.78rem;
    color: #708090;
    line-height: 1.5;
    font-weight: 400;
}

.mega-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
    margin-bottom: 0.85rem;
}

.mega-link {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.3rem 0;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--mega-link-color);
    text-decoration: none;
    transition: color 0.16s ease, padding-left 0.16s ease;
    border-radius: 3px;
}

.mega-link:hover {
    color: var(--mega-link-hover);
    padding-left: 0.25rem;
}

.mega-link-dot {
    width: 6px;
    height: 6px;
    flex-shrink: 0;
    color: var(--header-accent);
    opacity: 0.5;
    transition: opacity 0.16s ease;
}

.mega-link:hover .mega-link-dot {
    opacity: 1;
}

.mega-view-all {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--header-accent);
    text-decoration: none;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    transition: gap 0.16s ease, color 0.16s ease;
}

.mega-view-all:hover {
    color: var(--header-accent-hover);
    gap: 0.55rem;
}

.mega-view-all svg {
    width: 10px;
    height: 8px;
    flex-shrink: 0;
}

/* Support card */
.mega-col--support {
    padding-left: 1.5rem;
    border-right: none;
}

.mega-support-card {
    background: #F7F9FA;
    border: 1px solid #DDE4EA;
    border-radius: 6px;
    padding: 1.25rem;
}

.mega-support-icon {
    margin-bottom: 0.75rem;
}

.mega-support-icon svg {
    width: 36px;
    height: 36px;
}

.mega-support-title {
    font-family: 'Rajdhani', sans-serif;
    font-size: 0.9375rem;
    font-weight: 700;
    color: #1A2B3C;
    margin-bottom: 0.4rem;
    letter-spacing: 0.01em;
}

.mega-support-body {
    font-size: 0.8rem;
    color: #5E6E7E;
    line-height: 1.55;
    margin-bottom: 0.9rem;
}

.mega-support-cta {
    display: inline-flex;
    align-items: center;
    padding: 0.45rem 0.9rem;
    background: var(--header-accent);
    color: #FFFFFF;
    font-size: 0.8125rem;
    font-weight: 700;
    border-radius: 4px;
    text-decoration: none;
    transition: background 0.18s ease;
}

.mega-support-cta:hover {
    background: var(--header-accent-hover);
}

/* ── Scrolled / Sticky State ────────────────────────────────────── */
/*
 * Applied by JS after scroll threshold.
 * Top bar collapses; header-main becomes fixed at top:0.
 */
.site-header.is-scrolled .header-topbar {
    max-height: 0;
    opacity: 0;
    pointer-events: none;
    border-bottom-color: transparent;
}

.site-header.is-scrolled .header-main {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    box-shadow: var(--scrolled-shadow);
    border-bottom-color: var(--header-border);
}

.site-header.is-scrolled .header-main-inner {
    height: var(--scrolled-header-height);
}

.site-header.is-scrolled .logo-image {
    transform: scale(var(--header-logo-scale-scrolled));
}

/* Spacer injected by JS to prevent layout jump when header becomes fixed */
#site-header-spacer {
    display: none;
}

.site-header.is-scrolled ~ #site-header-spacer,
#site-header-spacer.is-active {
    display: block;
}

/* ── Mobile Drawer ──────────────────────────────────────────────── */
.mobile-drawer {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(360px, 92vw);
    background: var(--drawer-bg);
    z-index: 1100;
    transform: translateX(100%);
    transition: transform 0.32s cubic-bezier(0.4, 0, 0.2, 1);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    will-change: transform;
}

.mobile-drawer.is-open {
    transform: translateX(0);
}

.mobile-overlay {
    position: fixed;
    inset: 0;
    background: rgba(13,24,32,0.55);
    z-index: 1090;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.28s ease, visibility 0.28s ease;
}

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

.mobile-drawer-inner {
    display: flex;
    flex-direction: column;
    min-height: 100%;
    padding: 0 0 2rem;
}

.mobile-drawer-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--drawer-border);
    flex-shrink: 0;
}

.mobile-logo-link {
    display: inline-flex;
    align-items: center;
}

.mobile-logo-img {
    width: 140px;
    height: auto;
    /* logo has orange/white fills — works on dark drawer bg */
    filter: none;
}

.mobile-close-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: rgba(255,255,255,0.07);
    border: 1px solid var(--drawer-border);
    border-radius: 4px;
    cursor: pointer;
    color: var(--drawer-fg);
    transition: background 0.16s ease;
}

.mobile-close-btn:hover {
    background: rgba(255,255,255,0.13);
}

.mobile-close-btn svg {
    width: 14px;
    height: 14px;
}

.mobile-nav {
    flex: 1;
    padding: 0.75rem 0;
}

.mobile-nav-list {
    list-style: none;
}

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

.mobile-nav-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 0.9rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    font-family: 'Source Sans 3', sans-serif;
    color: var(--drawer-fg);
    text-decoration: none;
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
    transition: color 0.16s ease, background 0.16s ease;
}

.mobile-nav-link:hover {
    color: var(--drawer-accent);
    background: rgba(255,255,255,0.04);
}

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

.mobile-chevron {
    width: 10px;
    height: 7px;
    flex-shrink: 0;
    transition: transform 0.22s ease;
}

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

.mobile-accordion-panel {
    display: none;
    background: rgba(0,0,0,0.18);
    padding: 0.5rem 0 0.75rem;
}

.mobile-accordion-panel.is-open {
    display: block;
}

.mobile-sub-group {
    padding: 0.6rem 1.5rem 0.25rem 2rem;
}

.mobile-sub-cat {
    display: block;
    font-size: 0.8125rem;
    font-weight: 700;
    font-family: 'Rajdhani', sans-serif;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: #A9B4C2;
    text-decoration: none;
    margin-bottom: 0.4rem;
    transition: color 0.16s ease;
}

.mobile-sub-cat:hover {
    color: var(--drawer-accent);
}

.mobile-sub-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.05rem;
}

.mobile-sub-link {
    display: block;
    padding: 0.3rem 0;
    font-size: 0.875rem;
    font-weight: 500;
    color: rgba(238,242,245,0.65);
    text-decoration: none;
    transition: color 0.16s ease;
}

.mobile-sub-link:hover {
    color: var(--drawer-fg);
}

.mobile-drawer-footer {
    padding: 1.25rem 1.5rem 0;
    border-top: 1px solid var(--drawer-border);
    flex-shrink: 0;
}

.mobile-cta-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 0.85rem 1rem;
    background: var(--drawer-accent);
    color: #FFFFFF;
    font-size: 0.9375rem;
    font-weight: 700;
    font-family: 'Source Sans 3', sans-serif;
    border-radius: 4px;
    text-decoration: none;
    margin-bottom: 1rem;
    transition: background 0.18s ease;
}

.mobile-cta-btn:hover {
    background: #D35400;
}

.mobile-contact-strip {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.mobile-contact-link {
    font-size: 0.8125rem;
    color: rgba(238,242,245,0.55);
    text-decoration: none;
    transition: color 0.16s ease;
}

.mobile-contact-link:hover {
    color: var(--drawer-fg);
}

/* ── Responsive ─────────────────────────────────────────────────── */

/* Tablet: hide some topbar items */
@media (max-width: 1023px) {
    .topbar-item--hide-md {
        display: none;
    }

    .header-main-inner {
        grid-template-columns: auto 1fr auto;
    }

    .header-nav {
        display: none;
    }

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

    .btn-quote {
        display: none;
    }

    .mega-menu-panel {
        display: none !important;
    }
}

@media (max-width: 639px) {
    :root {
        --topbar-height: 2.5rem;
        --main-header-height: 4.25rem;
        --header-px: 1rem;
        --header-logo-width: 156px;
        --header-logo-scale-scrolled: 0.9;
    }

    .topbar-item--hide-sm {
        display: none;
    }
}

/* Large desktop: slightly more breathing room */
@media (min-width: 1280px) {
    :root {
        --main-header-height: 5.5rem;
        --header-px: 2rem;
        --header-logo-width: 332px;
        --header-logo-scale-scrolled: 0.86;
    }

    .nav-link {
        padding: 0.55rem 1rem;
    }
}

/* ── Focus / Accessibility ──────────────────────────────────────── */
.nav-link:focus-visible,
.btn-quote:focus-visible,
.mobile-menu-toggle:focus-visible,
.mobile-close-btn:focus-visible,
.mega-cat-title:focus-visible,
.mega-link:focus-visible,
.mega-view-all:focus-visible,
.mega-support-cta:focus-visible,
.mobile-nav-link:focus-visible,
.mobile-sub-cat:focus-visible,
.mobile-sub-link:focus-visible,
.mobile-cta-btn:focus-visible,
.header-logo-link:focus-visible {
    outline: 2px solid var(--header-accent);
    outline-offset: 2px;
    border-radius: 3px;
}

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