/**
 * Navigation — Header, Mega Menu, Mobile Drawer, Footer
 * Dark Industrial Theme
 */

/* ================================
   HEADER
   ================================ */

.nc-header {
    position: sticky;
    top: 0;
    z-index: var(--nc-z-sticky);
    background: var(--nc-color-surface-card);
    border-bottom: 1px solid var(--nc-color-border);
    transition: box-shadow var(--nc-transition-base), background var(--nc-transition-base);
}

.nc-header--scrolled {
    box-shadow: var(--nc-shadow-lg);
    background: var(--nc-color-surface);
}

.nc-header--transparent {
    position: absolute;
    width: 100%;
    background: transparent;
    border-bottom: none;
}

.nc-header--transparent.nc-header--scrolled {
    position: sticky;
    background: var(--nc-color-surface-card);
    border-bottom: 1px solid var(--nc-color-border);
}

.nc-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    gap: var(--nc-space-6);
}

.nc-header__brand {
    flex-shrink: 0;
}

.nc-header__brand .custom-logo-link img {
    max-height: 50px;
    width: auto;
}

.nc-header__site-name {
    font-family: var(--nc-font-heading);
    font-size: var(--nc-text-xl);
    font-weight: var(--nc-font-bold);
    color: var(--nc-color-text);
    text-decoration: none;
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

.nc-header__site-name:hover {
    color: var(--nc-color-primary);
}

.nc-header__actions {
    display: flex;
    align-items: center;
    gap: var(--nc-space-3);
    flex-shrink: 0;
}

/* ================================
   SEARCH
   ================================ */

.nc-header__search-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--nc-color-text-muted);
    border-radius: var(--nc-radius-base);
    transition: all var(--nc-transition-fast);
}

.nc-header__search-toggle:hover {
    color: var(--nc-color-primary);
    background: var(--nc-color-surface-elevated);
}

.nc-header__search {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--nc-transition-slow), padding var(--nc-transition-slow);
    background: var(--nc-color-surface-elevated);
    border-top: 1px solid var(--nc-color-border);
}

.nc-header__search[aria-hidden="false"] {
    max-height: 80px;
    padding: var(--nc-space-3) 0;
}

.nc-search-form {
    display: flex;
    gap: var(--nc-space-2);
    max-width: 600px;
    margin: 0 auto;
}

.nc-search-form__input {
    flex: 1;
    padding: var(--nc-space-3) var(--nc-space-4);
    border: 1px solid var(--nc-color-border);
    border-radius: var(--nc-radius-base);
    font-size: var(--nc-text-sm);
    background: var(--nc-color-surface-card);
    color: var(--nc-color-text);
    outline: none;
    transition: border-color var(--nc-transition-fast);
}

.nc-search-form__input:focus {
    border-color: var(--nc-color-primary);
    box-shadow: 0 0 0 3px rgba(255, 102, 0, 0.1);
}

.nc-search-form__submit {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    background: var(--nc-gradient-primary);
    color: white;
    border: none;
    border-radius: var(--nc-radius-base);
    cursor: pointer;
    transition: all var(--nc-transition-fast);
}

.nc-search-form__submit:hover {
    background: var(--nc-color-primary-hover);
    box-shadow: var(--nc-shadow-orange);
}

/* ================================
   CART ICON
   ================================ */

.nc-header__cart {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    color: var(--nc-color-text-muted);
    border-radius: var(--nc-radius-base);
    transition: all var(--nc-transition-fast);
}

.nc-header__cart:hover {
    color: var(--nc-color-primary);
    background: var(--nc-color-surface-elevated);
}

.nc-header__cart-count {
    position: absolute;
    top: 2px;
    right: 0;
    min-width: 18px;
    height: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: var(--nc-font-bold);
    background: var(--nc-color-primary);
    color: white;
    border-radius: var(--nc-radius-full);
    padding: 0 4px;
    line-height: 1;
    box-shadow: var(--nc-shadow-base);
}

/* ================================
   HAMBURGER TOGGLE
   ================================ */

.nc-header__toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--nc-space-2);
}

.nc-hamburger {
    display: flex;
    flex-direction: column;
    gap: 5px;
    width: 24px;
}

.nc-hamburger span {
    display: block;
    height: 2px;
    background: var(--nc-color-text);
    border-radius: 1px;
    transition: all var(--nc-transition-base);
    transform-origin: center;
}

.nc-header__toggle[aria-expanded="true"] .nc-hamburger span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.nc-header__toggle[aria-expanded="true"] .nc-hamburger span:nth-child(2) {
    opacity: 0;
}

.nc-header__toggle[aria-expanded="true"] .nc-hamburger span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ================================
   DESKTOP NAVIGATION
   ================================ */

.nc-nav {
    flex: 1;
    display: flex;
    justify-content: center;
}

.nc-nav__list {
    display: flex;
    align-items: center;
    gap: var(--nc-space-1);
    list-style: none;
    margin: 0;
    padding: 0;
}

.nc-nav__item {
    position: relative;
}

.nc-nav__link {
    display: flex;
    align-items: center;
    gap: var(--nc-space-2);
    padding: var(--nc-space-3) var(--nc-space-4);
    font-size: var(--nc-text-sm);
    font-weight: var(--nc-font-semibold);
    font-family: var(--nc-font-heading);
    color: var(--nc-color-text-muted);
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--nc-radius-base);
    transition: all var(--nc-transition-fast);
    white-space: nowrap;
}

.nc-nav__link:hover,
.nc-nav__item--has-children:hover > .nc-nav__link {
    color: var(--nc-color-primary);
    background: var(--nc-color-surface-elevated);
}

.nc-nav__arrow {
    transition: transform var(--nc-transition-fast);
}

.nc-nav__item--has-children:hover > .nc-nav__link .nc-nav__arrow {
    transform: rotate(180deg);
}

/* ================================
   DROPDOWN
   ================================ */

.nc-nav__sub {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 220px;
    background: var(--nc-color-surface-card);
    border: 1px solid var(--nc-color-border);
    border-radius: var(--nc-radius-lg);
    box-shadow: var(--nc-shadow-xl);
    padding: var(--nc-space-2);
    list-style: none;
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: all var(--nc-transition-base);
    z-index: var(--nc-z-dropdown);
}

.nc-nav__item--has-children:hover > .nc-nav__sub,
.nc-nav__item--mega:hover > .nc-nav__sub {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.nc-nav__sub .nc-nav__link {
    padding: var(--nc-space-3);
    font-size: var(--nc-text-sm);
    border-radius: var(--nc-radius-base);
    text-transform: none;
    letter-spacing: 0;
}

.nc-nav__sub .nc-nav__link:hover {
    background: var(--nc-color-surface-elevated);
}

/* ================================
   MEGA MENU
   ================================ */

.nc-nav__mega {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    min-width: 600px;
    left: 50%;
    transform: translateX(-50%) translateY(8px);
    padding: var(--nc-space-6);
    gap: var(--nc-space-6);
}

.nc-nav__item--mega:hover > .nc-nav__mega {
    transform: translateX(-50%) translateY(0);
}

.nc-nav__mega-col > .nc-nav__link {
    font-weight: var(--nc-font-bold);
    font-size: var(--nc-text-xs);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--nc-color-primary);
    pointer-events: none;
    padding-bottom: var(--nc-space-2);
    border-bottom: 1px solid var(--nc-color-border);
    margin-bottom: var(--nc-space-2);
}

/* ================================
   MOBILE DRAWER
   ================================ */

.nc-drawer {
    position: fixed;
    inset: 0;
    z-index: var(--nc-z-drawer);
    pointer-events: none;
}

.nc-drawer[aria-hidden="false"] {
    pointer-events: auto;
}

.nc-drawer__overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    opacity: 0;
    transition: opacity var(--nc-transition-base);
}

.nc-drawer[aria-hidden="false"] .nc-drawer__overlay {
    opacity: 1;
}

.nc-drawer__panel {
    position: absolute;
    top: 0;
    right: 0;
    width: 320px;
    max-width: 85vw;
    height: 100%;
    background: var(--nc-color-surface-card);
    transform: translateX(100%);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    box-shadow: var(--nc-shadow-xl);
}

.nc-drawer[aria-hidden="false"] .nc-drawer__panel {
    transform: translateX(0);
}

.nc-drawer__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--nc-space-4) var(--nc-space-5);
    border-bottom: 1px solid var(--nc-color-border);
    flex-shrink: 0;
}

.nc-drawer__title {
    font-family: var(--nc-font-heading);
    font-weight: var(--nc-font-bold);
    font-size: var(--nc-text-lg);
    color: var(--nc-color-text);
}

.nc-drawer__close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: none;
    border: none;
    cursor: pointer;
    border-radius: var(--nc-radius-base);
    transition: background var(--nc-transition-fast);
    color: var(--nc-color-text-muted);
}

.nc-drawer__close:hover {
    background: var(--nc-color-surface-elevated);
    color: var(--nc-color-primary);
}

.nc-drawer__nav {
    padding: var(--nc-space-4);
    flex: 1;
}

.nc-drawer__list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.nc-drawer__list li {
    border-bottom: 1px solid var(--nc-color-border);
}

.nc-drawer__list a {
    display: block;
    padding: var(--nc-space-3) var(--nc-space-4);
    color: var(--nc-color-text);
    font-weight: var(--nc-font-medium);
    text-decoration: none;
    transition: all var(--nc-transition-fast);
    font-family: var(--nc-font-heading);
    text-transform: uppercase;
    letter-spacing: 0.02em;
    font-size: var(--nc-text-sm);
}

.nc-drawer__list a:hover {
    background: var(--nc-color-surface-elevated);
    color: var(--nc-color-primary);
}

.nc-drawer__list .sub-menu {
    list-style: none;
    padding: 0;
    margin: 0;
    background: var(--nc-color-surface);
}

.nc-drawer__list .sub-menu a {
    padding-left: var(--nc-space-8);
    font-size: var(--nc-text-sm);
    font-weight: var(--nc-font-normal);
    text-transform: none;
}

.nc-drawer__list .sub-menu .sub-menu a {
    padding-left: var(--nc-space-12);
}

/* ================================
   FOOTER
   ================================ */

.nc-footer {
    background: var(--nc-color-surface-card);
    color: var(--nc-color-text-muted);
    border-top: 1px solid var(--nc-color-border);
}

.nc-footer a {
    color: var(--nc-color-text-muted);
    transition: color var(--nc-transition-fast);
}

.nc-footer a:hover {
    color: var(--nc-color-primary);
}

.nc-footer__main {
    padding: var(--nc-space-16) 0 var(--nc-space-12);
}

.nc-footer__grid {
    display: grid;
    grid-template-columns: 1.5fr repeat(auto-fit, minmax(160px, 1fr));
    gap: var(--nc-space-12);
}

.nc-footer__col--brand {
    max-width: 320px;
}

.nc-footer__logo {
    font-family: var(--nc-font-heading);
    font-size: var(--nc-text-xl);
    font-weight: var(--nc-font-bold);
    color: var(--nc-color-text);
    text-decoration: none;
    display: inline-block;
    margin-bottom: var(--nc-space-3);
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.nc-footer__col--brand .custom-logo-link img {
    max-height: 40px;
    width: auto;
    margin-bottom: var(--nc-space-3);
}

.nc-footer__tagline {
    font-size: var(--nc-text-sm);
    line-height: var(--nc-leading-relaxed);
    opacity: 0.8;
    margin: 0;
}

.nc-footer__heading {
    color: var(--nc-color-text);
    font-family: var(--nc-font-heading);
    font-size: var(--nc-text-sm);
    font-weight: var(--nc-font-bold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--nc-space-4);
}

.nc-footer__links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.nc-footer__links li {
    margin-bottom: var(--nc-space-2);
}

.nc-footer__links a {
    font-size: var(--nc-text-sm);
    text-decoration: none;
}

.nc-footer__bottom {
    border-top: 1px solid var(--nc-color-border);
    padding: var(--nc-space-5) 0;
}

.nc-footer__bottom-inner {
    display: flex;
    align-items: center;
    justify-content: center;
}

.nc-footer__copy {
    font-size: var(--nc-text-xs);
    margin: 0;
    opacity: 0.6;
}

/* ================================
   RESPONSIVE
   ================================ */

@media (max-width: 1024px) {
    .nc-nav {
        display: none;
    }

    .nc-header__toggle {
        display: flex;
    }

    .nc-header__inner {
        height: 60px;
    }
}

@media (max-width: 768px) {
    .nc-footer__grid {
        grid-template-columns: 1fr;
    }

    .nc-footer__col--brand {
        max-width: none;
    }

    .nc-footer__bottom-inner {
        flex-direction: column;
        gap: var(--nc-space-2);
        text-align: center;
    }
}

/* Logo size */
.custom-logo { max-height: 69px !important; width: auto !important; }