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

.site-header {
    position: sticky;
    z-index: 1000;
    top: 0;

    background: var(--white);

    box-shadow:
        0 1px 0 var(--border);

    transition:
        box-shadow var(--transition),
        background var(--transition);
}

.site-header.is-scrolled {
    background: rgba(255, 255, 255, 0.97);

    box-shadow:
        0 14px 38px rgba(12, 38, 82, 0.12);

    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
}

/* ===================================================
   TOP BAR
=================================================== */

.header-topbar {
    background:
        linear-gradient(
            90deg,
            var(--primary-dark),
            var(--primary)
        );

    color: var(--white);
}

.topbar-inner {
    display: flex;
    min-height: 38px;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
}

.topbar-benefits {
    display: flex;
    align-items: center;
    gap: 28px;
}

.topbar-benefits span,
.topbar-message {
    display: inline-flex;
    align-items: center;
    gap: 7px;

    font-size: 11px;
    font-weight: 650;
}

.topbar-benefits svg {
    width: 16px;
    height: 16px;
}

.topbar-message {
    opacity: 0.82;
    letter-spacing: 0.02em;
}

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

.header-main {
    background: var(--white);
}

.header-main-inner {
    display: grid;
    min-height: 96px;
    align-items: center;
    gap: 26px;

    grid-template-columns:
        auto
        minmax(300px, 1fr)
        auto;

    transition:
        min-height var(--transition);
}

.site-header.is-scrolled .header-main-inner {
    min-height: 82px;
}

/* ===================================================
   BRAND
=================================================== */

.site-brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    flex: 0 0 auto;

    transition:
        transform var(--transition);
}

.site-brand:hover {
    transform: translateY(-2px);
}

.site-brand-logo {
    width: 54px;
    height: 54px;

    object-fit: contain;

    transition:
        width var(--transition),
        height var(--transition),
        transform var(--transition),
        filter var(--transition);
}

.site-brand:hover .site-brand-logo {
    filter:
        drop-shadow(
            0 10px 18px
            rgba(21, 86, 216, 0.18)
        );

    transform: scale(1.035);
}

.site-header.is-scrolled .site-brand-logo {
    width: 48px;
    height: 48px;
}

.site-brand-text {
    display: flex;
    flex-direction: column;

    line-height: 1;
}

.site-brand-text strong {
    color: var(--primary-dark);

    font-size: 25px;
    font-weight: 850;

    letter-spacing: 0.055em;

    transition:
        font-size var(--transition);
}

.site-brand-text small {
    margin-top: 7px;

    color: var(--muted);

    font-size: 8px;
    font-weight: 750;

    letter-spacing: 0.23em;
    text-transform: uppercase;
}

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

.header-search {
    display: grid;
    min-height: 54px;

    overflow: hidden;

    border: 1px solid var(--border-blue);
    border-radius: 16px;

    background: var(--white);

    box-shadow:
        0 8px 22px rgba(21, 48, 92, 0.05);

    grid-template-columns:
        minmax(0, 1fr)
        auto
        58px;

    transition:
        border-color var(--transition),
        box-shadow var(--transition),
        transform var(--transition);
}

.header-search:focus-within {
    border-color:
        rgba(21, 86, 216, 0.48);

    box-shadow:
        0 0 0 4px rgba(21, 86, 216, 0.08),
        0 14px 34px rgba(21, 48, 92, 0.08);

    transform: translateY(-1px);
}

.header-search input,
.header-search select {
    border: 0;
    outline: 0;
    background: transparent;
}

.header-search input {
    min-width: 0;
    padding: 0 20px;

    color: var(--text);

    font-size: 13px;
}

.header-search input::placeholder {
    color: #98a3b2;
}

.header-search select {
    min-width: 92px;
    padding: 0 15px;

    border-left:
        1px solid var(--border);

    color: var(--text-soft);

    font-size: 12px;

    cursor: pointer;
}

.header-search button {
    display: grid;
    width: 100%;
    height: 100%;
    place-items: center;

    margin: 0;
    padding: 0;

    border-radius: 0 15px 15px 0;

    background:
        linear-gradient(
            135deg,
            var(--primary),
            var(--primary-dark)
        );

    color: var(--white);

    transition:
        filter var(--transition),
        transform var(--transition);
}

.header-search button:hover {
    filter: brightness(1.08);
}

.header-search button svg {
    width: 21px;
    height: 21px;

    transition:
        transform var(--transition);
}

.header-search button:hover svg {
    transform: scale(1.08);
}

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

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.header-action {
    position: relative;

    display: inline-flex;
    min-width: 62px;
    min-height: 56px;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;

    padding: 7px 8px;

    border-radius: 14px;

    color: var(--primary-dark);

    font-size: 9.5px;
    font-weight: 780;

    text-align: center;
    white-space: nowrap;

    transition:
        color var(--transition),
        background var(--transition),
        box-shadow var(--transition),
        transform var(--transition);
}

.header-action::before {
    position: absolute;
    inset: 0;

    border: 1px solid transparent;
    border-radius: inherit;

    content: "";

    pointer-events: none;

    transition:
        border-color var(--transition);
}

.header-action:hover {
    background: var(--primary-soft);
    color: var(--primary);

    box-shadow:
        0 10px 24px rgba(21, 86, 216, 0.08);

    transform: translateY(-3px);
}

.header-action:hover::before {
    border-color:
        rgba(21, 86, 216, 0.13);
}

.header-action svg {
    width: 24px;
    height: 24px;

    transition:
        transform var(--transition);
}

.header-action:hover svg {
    transform: scale(1.08);
}

.vehicle-action,
.corporate-action,
.account-action {
    min-width: 94px;
}

.contact-action {
    min-width: 68px;
}

.cart-action {
    min-width: 62px;
}

.cart-icon-wrap {
    position: relative;
}

.cart-count {
    position: absolute;
    top: -8px;
    right: -10px;

    display: grid;
    min-width: 19px;
    height: 19px;
    place-items: center;

    padding: 0 5px;

    border: 2px solid var(--white);
    border-radius: var(--radius-pill);

    background: var(--primary);

    color: var(--white);

    font-size: 8px;
    font-weight: 800;
}

/* ===================================================
   MOBILE MENU BUTTON
=================================================== */

.mobile-menu-toggle {
    display: none;
    width: 46px;
    height: 46px;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;

    border: 1px solid var(--border);
    border-radius: 13px;

    background: var(--surface-soft);

    transition:
        background var(--transition),
        border-color var(--transition),
        transform var(--transition);
}

.mobile-menu-toggle:hover {
    border-color:
        rgba(21, 86, 216, 0.24);

    background: var(--primary-soft);
}

.mobile-menu-toggle span {
    width: 21px;
    height: 2px;

    border-radius: 999px;

    background: var(--primary-dark);

    transition:
        transform var(--transition),
        opacity var(--transition);
}

.mobile-menu-toggle.is-active span:nth-child(1) {
    transform:
        translateY(7px)
        rotate(45deg);
}

.mobile-menu-toggle.is-active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.is-active span:nth-child(3) {
    transform:
        translateY(-7px)
        rotate(-45deg);
}

/* ===================================================
   MOBILE NAVIGATION
=================================================== */

.mobile-navigation {
    position: fixed;
    z-index: 1200;
    top: 0;
    bottom: 0;
    left: 0;

    width: min(90vw, 410px);

    overflow-y: auto;

    padding: 22px;

    background: var(--white);

    box-shadow:
        22px 0 70px rgba(13, 52, 134, 0.20);

    transform: translateX(-105%);

    transition:
        transform 0.32s ease;
}

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

.mobile-navigation-header {
    display: flex;
    align-items: center;
    justify-content: space-between;

    padding-bottom: 18px;

    border-bottom: 1px solid var(--border);
}

.mobile-navigation-brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.mobile-navigation-brand img {
    width: 38px;
    height: 38px;

    object-fit: contain;
}

.mobile-navigation-brand span {
    color: var(--primary-dark);

    font-size: 19px;
    font-weight: 850;
    letter-spacing: 0.05em;
}

.mobile-navigation-header button {
    display: grid;
    width: 38px;
    height: 38px;
    place-items: center;

    border-radius: 11px;

    background: var(--surface-soft);

    color: var(--primary-dark);

    font-size: 25px;

    transition:
        background var(--transition),
        color var(--transition),
        transform var(--transition);
}

.mobile-navigation-header button:hover {
    background: var(--primary-soft);
    color: var(--primary);

    transform: rotate(4deg);
}

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

.mobile-search {
    display: grid;
    min-height: 48px;

    margin-top: 22px;

    overflow: hidden;

    border: 1px solid var(--border-blue);
    border-radius: 13px;

    grid-template-columns:
        minmax(0, 1fr)
        50px;
}

.mobile-search input {
    min-width: 0;

    padding: 0 15px;

    border: 0;
    outline: 0;

    font-size: 12px;
}

.mobile-search button {
    display: grid;
    width: 100%;
    height: 100%;
    min-width: 50px;
    place-items: center;

    margin: 0;
    padding: 0;

    border-radius: 0 12px 12px 0;

    background: var(--primary);

    -webkit-appearance: none;
    appearance: none;

    color: var(--white);
}

.mobile-search svg {
    width: 20px;
    height: 20px;
}

/* ===================================================
   MOBILE PRIMARY LINKS
=================================================== */

.mobile-navigation-links {
    display: flex;
    flex-direction: column;

    margin-top: 20px;
}

.mobile-navigation-links a {
    display: flex;
    min-height: 50px;
    align-items: center;

    border-bottom: 1px solid var(--border);

    color: var(--text);

    font-size: 13px;
    font-weight: 650;

    transition:
        color var(--transition),
        padding-left var(--transition),
        background var(--transition);
}

.mobile-navigation-links a:hover {
    padding-left: 8px;

    background:
        linear-gradient(
            90deg,
            var(--primary-soft),
            transparent
        );

    color: var(--primary);
}

/* ===================================================
   MOBILE CATEGORIES
=================================================== */

.mobile-categories {
    margin-top: 24px;

    border: 1px solid var(--border);
    border-radius: 16px;

    background: var(--surface-soft);
}

.mobile-categories-toggle {
    display: flex;
    width: 100%;
    min-height: 52px;
    align-items: center;
    justify-content: space-between;

    padding: 0 16px;

    border-radius: 16px;

    background: transparent;

    color: var(--primary-dark);

    font-size: 14px;
    font-weight: 850;
}

.mobile-categories-toggle > span:last-child {
    transition:
        transform var(--transition);
}

.mobile-categories-toggle[aria-expanded="true"] > span:last-child {
    transform: rotate(180deg);
}

.mobile-categories-list {
    padding:
        0 12px 12px;
}

.mobile-categories-list[hidden] {
    display: none;
}

.mobile-category-item {
    overflow: hidden;

    border-top: 1px solid var(--border);
}

.mobile-category-item:first-child {
    border-top: 0;
}

.mobile-category-item summary {
    display: flex;
    min-height: 48px;
    align-items: center;
    justify-content: space-between;
    gap: 14px;

    padding: 0 4px;

    color: var(--text);

    font-size: 12px;
    font-weight: 700;

    cursor: pointer;
    list-style: none;
}

.mobile-category-item summary::-webkit-details-marker {
    display: none;
}

.mobile-category-item summary > span:last-child {
    color: var(--primary);

    font-size: 18px;

    transition:
        transform var(--transition);
}

.mobile-category-item[open] summary > span:last-child {
    transform: rotate(45deg);
}

.mobile-subcategory-list {
    display: flex;
    flex-direction: column;
    gap: 2px;

    padding:
        0 0 12px 10px;
}

.mobile-subcategory-list a {
    display: flex;
    min-height: 38px;
    align-items: center;

    padding: 0 10px;

    border-radius: 9px;

    color: var(--text-soft);

    font-size: 11px;

    transition:
        background var(--transition),
        color var(--transition),
        transform var(--transition);
}

.mobile-subcategory-list a:hover {
    background: var(--primary-soft);
    color: var(--primary);

    transform: translateX(3px);
}

.mobile-category-all-link {
    color: var(--primary) !important;
    font-weight: 750;
}

/* ===================================================
   MOBILE OVERLAY
=================================================== */

.mobile-navigation-overlay {
    position: fixed;
    z-index: 1100;
    inset: 0;

    background:
        rgba(9, 26, 55, 0.56);

    opacity: 0;
    pointer-events: none;

    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);

    transition:
        opacity 0.25s ease;
}

.mobile-navigation-overlay.is-visible {
    opacity: 1;
    pointer-events: auto;
}

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

@media (max-width: 1320px) {
    .header-main-inner {
        gap: 18px;

        grid-template-columns:
            auto
            minmax(250px, 1fr)
            auto;
    }

    .header-actions {
        gap: 7px;
    }

    .header-action {
        min-width: 54px;
        padding-inline: 6px;

        font-size: 8px;
    }

    .vehicle-action,
    .corporate-action,
    .account-action {
        min-width: 82px;
    }

    .header-action svg {
        width: 22px;
        height: 22px;
    }
}

@media (max-width: 1120px) {
    .topbar-message {
        display: none;
    }

    .header-main-inner {
        grid-template-columns:
            auto
            minmax(220px, 1fr)
            auto;
    }

    .contact-action {
        display: none;
    }

    .header-action {
        min-width: 50px;
    }

    .vehicle-action,
    .corporate-action,
    .account-action {
        min-width: 76px;
    }
}

@media (max-width: 980px) {
    .header-topbar {
        display: none;
    }

    .header-main-inner,
    .site-header.is-scrolled .header-main-inner {
        min-height: 76px;

        grid-template-columns:
            auto
            minmax(0, 1fr)
            auto;
    }

    .site-brand-logo,
    .site-header.is-scrolled .site-brand-logo {
        width: 44px;
        height: 44px;
    }

    .site-brand-text strong {
        font-size: 20px;
    }

    .site-brand-text small {
        font-size: 7px;
    }

    .header-search {
        min-height: 46px;

        grid-template-columns:
            minmax(0, 1fr)
            48px;
    }

    .header-search select {
        display: none;
    }

    .header-search button {
        width: 48px;
    }

    .header-actions {
        display: none;
    }

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

@media (max-width: 620px) {
    .container {
        width: min(
            calc(100% - 28px),
            var(--container)
        );
    }

    .header-main-inner {
        gap: 10px;

        grid-template-columns:
            43px
            auto
            minmax(0, 1fr);
    }

    .mobile-menu-toggle {
        grid-column: 1;
        grid-row: 1;
    }

    .site-brand {
        grid-column: 2;
        grid-row: 1;
    }

    .header-search {
        grid-column: 3;
        grid-row: 1;
    }

    .site-brand {
        gap: 8px;
    }

    .site-brand-logo,
    .site-header.is-scrolled .site-brand-logo {
        width: 40px;
        height: 40px;
    }

    .site-brand-text strong {
        font-size: 17px;
    }

    .site-brand-text small {
        display: none;
    }

    .header-search {
        min-height: 43px;
    }

    .header-search input {
        padding-inline: 13px;

        font-size: 11px;
    }

    .header-search button {
        width: 100%;
        min-width: 46px;
        border-radius: 0 12px 12px 0;
    }

    .mobile-menu-toggle {
        width: 43px;
        height: 43px;
    }

    .mobile-navigation {
        width: min(92vw, 390px);
        padding: 18px;
    }
}

@media (max-width: 440px) {
    .site-brand-text {
        display: none;
    }

    .header-main-inner {
        grid-template-columns:
            43px
            40px
            minmax(0, 1fr);
    }
}

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

/* ===================================================
   MOBILE DOUBLE-ROW HEADER REVISION
=================================================== */

.mobile-header-main {
    display: none;
}

@media (max-width: 980px) {
    .desktop-header-main {
        display: none;
    }

    .mobile-header-main {
        display: block;
        background: rgba(255, 255, 255, 0.98);
        border-bottom: 1px solid var(--border);
    }

    .mobile-header-inner {
        padding-block: 12px 14px;
    }

    .mobile-header-top-row {
        position: relative;
        display: grid;
        min-height: 52px;
        align-items: center;
        grid-template-columns: minmax(86px, 1fr) auto minmax(86px, 1fr);
        gap: 10px;
    }

    .mobile-header-side {
        display: flex;
        align-items: center;
        gap: 8px;
    }

    .mobile-header-side-left {
        justify-content: flex-start;
    }

    .mobile-header-side-right {
        justify-content: flex-end;
    }

    .mobile-header-action {
        position: relative;
        display: grid;
        width: 40px;
        height: 40px;
        place-items: center;
        border: 1px solid var(--border-blue);
        border-radius: 12px;
        background: var(--surface-soft);
        color: var(--primary-dark);
        transition:
            transform var(--transition),
            background var(--transition),
            border-color var(--transition),
            box-shadow var(--transition);
    }

    .mobile-header-action:hover,
    .mobile-header-action:focus-visible {
        border-color: rgba(37, 99, 235, 0.30);
        background: var(--primary-soft);
        box-shadow: 0 10px 24px rgba(21, 86, 216, 0.10);
        transform: translateY(-2px);
    }

    .mobile-header-action svg {
        width: 20px;
        height: 20px;
    }

    .mobile-centered-brand {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 9px;
        min-width: 0;
        color: var(--primary-dark);
    }

    .mobile-centered-brand img {
        width: 42px;
        height: 42px;
        object-fit: contain;
    }

    .mobile-centered-brand strong {
        font-size: 20px;
        font-weight: 850;
        letter-spacing: 0.055em;
        white-space: nowrap;
    }

    .mobile-header-search-row {
        display: grid;
        gap: 10px;
        margin-top: 12px;
        grid-template-columns: 48px minmax(0, 1fr);
    }

    .mobile-header-search-row .mobile-menu-toggle {
        display: flex;
        width: 48px;
        height: 52px;
        border-radius: 15px;
    }

    .mobile-header-search {
        display: grid;
        min-width: 0;
        min-height: 52px;
        overflow: hidden;
        border: 1px solid var(--border-blue);
        border-radius: 16px;
        background: var(--white);
        box-shadow: 0 8px 22px rgba(21, 48, 92, 0.05);
        grid-template-columns: minmax(0, 1fr) 54px;
        transition:
            border-color var(--transition),
            box-shadow var(--transition),
            transform var(--transition);
    }

    .mobile-header-search:focus-within {
        border-color: rgba(21, 86, 216, 0.48);
        box-shadow:
            0 0 0 4px rgba(21, 86, 216, 0.08),
            0 12px 28px rgba(21, 48, 92, 0.08);
        transform: translateY(-1px);
    }

    .mobile-header-search input {
        min-width: 0;
        padding: 0 15px;
        border: 0;
        outline: 0;
        background: transparent;
        color: var(--text);
        font-size: 12px;
    }

    .mobile-header-search input::placeholder {
        color: #98a3b2;
    }

    .mobile-header-search button {
        display: grid;
        width: 54px;
        place-items: center;
        border-radius: 0 15px 15px 0;
        background: linear-gradient(135deg, var(--primary), var(--primary-dark));
        color: var(--white);
    }

    .mobile-header-search button svg {
        width: 21px;
        height: 21px;
    }

    .mobile-cart-action .cart-count {
        top: -9px;
        right: -11px;
    }

    .site-header.is-scrolled .mobile-header-inner {
        padding-block: 9px 11px;
    }

    .site-header.is-scrolled .mobile-header-top-row {
        min-height: 46px;
    }

    .site-header.is-scrolled .mobile-centered-brand img {
        width: 38px;
        height: 38px;
    }

    .site-header.is-scrolled .mobile-centered-brand strong {
        font-size: 18px;
    }

    .site-header.is-scrolled .mobile-header-search-row {
        margin-top: 9px;
    }

    .mobile-navigation {
        padding: 20px;
    }

    .mobile-categories {
        margin-top: 22px;
        overflow: hidden;
    }

    .mobile-categories-list {
        max-height: 0;
        overflow: hidden;
        padding: 0 12px;
        opacity: 0;
        transform: translateY(-8px);
        transition:
            max-height 0.48s cubic-bezier(0.22, 1, 0.36, 1),
            opacity 0.28s ease,
            transform 0.34s ease,
            padding 0.34s ease;
    }

    .mobile-categories-list.is-open {
        padding-bottom: 12px;
        opacity: 1;
        transform: translateY(0);
    }

    .mobile-categories-chevron {
        transition: transform 0.34s ease;
    }

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

    .mobile-category-item {
        overflow: hidden;
        border-top: 1px solid var(--border);
    }

    .mobile-category-trigger {
        display: flex;
        width: 100%;
        min-height: 50px;
        align-items: center;
        justify-content: space-between;
        gap: 14px;
        padding: 0 4px;
        background: transparent;
        color: var(--text);
        font-size: 12px;
        font-weight: 720;
        text-align: left;
    }

    .mobile-category-plus {
        color: var(--primary);
        font-size: 19px;
        transition: transform 0.34s ease;
    }

    .mobile-category-trigger[aria-expanded="true"] .mobile-category-plus {
        transform: rotate(45deg);
    }

    .mobile-subcategory-list {
        display: flex;
        max-height: 0;
        overflow: hidden;
        flex-direction: column;
        gap: 2px;
        padding: 0 0 0 10px;
        opacity: 0;
        transform: translateY(-7px);
        transition:
            max-height 0.42s cubic-bezier(0.22, 1, 0.36, 1),
            opacity 0.25s ease,
            transform 0.30s ease,
            padding 0.30s ease;
    }

    .mobile-subcategory-list.is-open {
        padding-bottom: 12px;
        opacity: 1;
        transform: translateY(0);
    }

    .mobile-navigation-links {
        margin-top: 18px;
    }
}

@media (max-width: 620px) {
    .mobile-header-inner {
        padding-block: 10px 12px;
    }

    .mobile-header-top-row {
        grid-template-columns: 82px auto 82px;
        gap: 6px;
    }

    .mobile-header-side {
        gap: 5px;
    }

    .mobile-header-action {
        width: 36px;
        height: 36px;
        border-radius: 11px;
    }

    .mobile-header-action svg {
        width: 18px;
        height: 18px;
    }

    .mobile-centered-brand {
        gap: 7px;
    }

    .mobile-centered-brand img {
        width: 38px;
        height: 38px;
    }

    .mobile-centered-brand strong {
        font-size: 18px;
    }

    .mobile-header-search-row {
        grid-template-columns: 44px minmax(0, 1fr);
        gap: 8px;
        margin-top: 10px;
    }

    .mobile-header-search-row .mobile-menu-toggle,
    .mobile-header-search {
        min-height: 48px;
        height: 48px;
    }

    .mobile-header-search-row .mobile-menu-toggle {
        width: 44px;
    }

    .mobile-header-search {
        grid-template-columns: minmax(0, 1fr) 50px;
        border-radius: 15px;
    }

    .mobile-header-search button {
        width: 50px;
        border-radius: 0 14px 14px 0;
    }

    .mobile-header-search input {
        padding-inline: 13px;
        font-size: 11px;
    }
}

@media (max-width: 390px) {
    .mobile-header-top-row {
        grid-template-columns: 75px auto 75px;
    }

    .mobile-header-action {
        width: 33px;
        height: 33px;
    }

    .mobile-centered-brand strong {
        font-size: 16px;
    }

    .mobile-centered-brand img {
        width: 34px;
        height: 34px;
    }
}