/* ========================================================
   Header Core & Sticky Behavior
======================================================== */
.ksn-site-header {
    direction: rtl;
    text-align: right;
    background: #ffffff;
    border-bottom: 1px solid var(--ksn-border);
    position: relative;
    z-index: 10000;
}

@media (min-width: 992px) {
    /* باز گذاشتن overflow-x برای حفظ کارکرد sticky */
    html, body, #page, .site {
        overflow-x: visible;
    }

    header.ksn-site-header {
        position: sticky;
        top: 0;
        background-color: #ffffff;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    }

    body.admin-bar header.ksn-site-header {
        top: 32px;
    }
}

.ksn-container {
    max-width: 1640px;
    margin: 0 auto;
    padding: 0 16px;
}

/* ========================================================
   Desktop Header Main Row
======================================================== */
.ksn-header-row {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
}

.ksn-header-branding {
    flex-shrink: 0;
    margin-left: 24px;
    display: flex;
    align-items: center;
}

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

.ksn-site-logo {
    max-height: 80px;
    width: auto;
    object-fit: contain;
    display: block;
}

.ksn-header-search {
    flex: 1;
    max-width: 750px;
}

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

.ksn-fast-order-wrapper {
    margin-left: auto;
}

.ksn-btn-fast-order,
.ksn-btn-club {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    font-size: 13px;
    font-weight: 600;
    border-radius: 6px;
    text-decoration: none;
    transition: 0.2s ease;
    white-space: nowrap;
    cursor: pointer;
}

.ksn-btn-fast-order {
    background-color: var(--ksn-bg-subtle);
    color: var(--ksn-text-main);
    border: 1px solid var(--ksn-border);
}

.ksn-btn-fast-order:hover {
    background-color: var(--ksn-border);
}

.ksn-btn-club {
    background-color: #fff7ed;
    color: #c2410c;
    border: 1px solid #ffedd5;
}

.ksn-btn-club:hover {
    background-color: #ffedd5;
}

.ksn-action-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    border: 1px solid var(--ksn-border);
    border-radius: 8px;
    text-decoration: none;
    color: var(--ksn-text-muted);
    font-size: 13px;
    position: relative;
}

.ksn-cart-badge {
    position: absolute;
    top: -6px;
    right: -6px;
    background: var(--ksn-primary);
    color: #fff;
    font-size: 11px;
    border-radius: 50%;
    width: 18px;
    height: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ========================================================
   Desktop Navigation Bar
======================================================== */
.ksn-site-header .ksn-header-nav {
    background: #fff;
    direction: rtl;
    position: relative;
    z-index: 1001;
}

.ksn-header-nav .ksn-container {
    position: relative;
}

body.ksn-archive-body .ksn-header-nav .ksn-container {
    padding-right: 0;
    padding-left: 0;
}

.ksn-cat-nav > ul.ksn-nav-list,
.ksn-cat-nav ul.cat-menu {
    display: flex;
    align-items: center;
    flex-wrap: nowrap;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 16px;
}

.ksn-cat-nav > ul > li {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
}

.ksn-cat-nav > ul > li > a {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 12px 0;
    color: var(--ksn-text-main);
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    white-space: nowrap;
}

.ksn-cat-nav > ul > li.has-mega-menu::after {
    content: '';
    display: inline-block;
    width: 1px;
    height: 18px;
    background-color: var(--ksn-border);
    margin-right: 14px;
}

/* ========================================================
   Mega Menu System
======================================================== */
.ksn-cat-nav ul.ksn-nav-list > li.has-mega-menu {
    position: static;
}

.ksn-cat-nav ul.ksn-nav-list > li.has-mega-menu > a {
    font-size: 15px;
    font-weight: 900;
    color: var(--ksn-text-main);
}

.ksn-cat-nav ul.ksn-nav-list > li.has-mega-menu > a .ksn-menu-icon svg {
    width: 20px;
    height: 20px;
    stroke-width: 2.2;
}

.ksn-cat-nav .ksn-mega-dropdown {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    left: 0;
    width: 100%;
    height: 560px;
    z-index: 99999;
    background: #ffffff;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.14);
    border: 1px solid var(--ksn-border);
    border-top: none;
    border-radius: 0 0 8px 8px;
    padding: 0;
    box-sizing: border-box;
}

.ksn-cat-nav ul.ksn-nav-list > li.has-mega-menu:hover > .ksn-mega-dropdown {
    display: flex;
}

.ksn-mega-dropdown ul,
.ksn-mega-dropdown li {
    list-style: none;
    margin: 0;
    padding: 0;
}

.ksn-mega-dropdown .ksn-mega-sub-menu {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    width: 260px;
    min-width: 260px;
    height: 100%;
    margin: 0;
    padding: 8px 0;
    background: var(--ksn-bg-subtle);
    border-left: 1px solid var(--ksn-border);
    box-sizing: border-box;
    overflow-y: auto;
}

.ksn-mega-dropdown .ksn-mega-sub-menu > li {
    position: static;
    flex: 0 0 auto;
}

.ksn-mega-dropdown .ksn-mega-sub-menu > li > a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    padding: 11px 16px;
    font-weight: 700;
    font-size: 13.5px;
    color: var(--ksn-text-main);
    text-decoration: none;
    transition: background 0.15s, color 0.15s;
}

.ksn-mega-dropdown .ksn-mega-sub-menu > li:hover > a {
    color: var(--ksn-primary);
    background: #ffffff;
}

.ksn-mega-dropdown .ksn-mega-sub-menu > li > .ksn-mega-deep-menu {
    display: none;
    position: absolute;
    top: 0;
    right: 260px;
    left: 0;
    bottom: 0;
    height: 100%;
    padding: 24px 32px;
    background: #ffffff;
    box-sizing: border-box;
    column-count: 4;
    column-gap: 28px;
    overflow-y: auto;
}

.ksn-mega-dropdown .ksn-mega-sub-menu > li:hover > .ksn-mega-deep-menu {
    display: block;
}

.ksn-cat-nav ul.ksn-nav-list > li.has-mega-menu:hover .ksn-mega-sub-menu:not(:hover) > li:first-child > a {
    color: var(--ksn-primary);
    background: #ffffff;
}

.ksn-cat-nav ul.ksn-nav-list > li.has-mega-menu:hover .ksn-mega-sub-menu:not(:hover) > li:first-child > .ksn-mega-deep-menu {
    display: block;
}

.ksn-mega-deep-menu > li {
    display: inline-block;
    width: 100%;
    margin: 0 0 12px;
    vertical-align: top;
    break-inside: avoid;
}

.ksn-mega-deep-menu > li > a {
    display: block;
    position: relative;
    font-weight: 800;
    font-size: 13.5px;
    line-height: 1.8;
    color: var(--ksn-text-main);
    padding-right: 12px;
    margin-bottom: 4px;
    text-decoration: none;
}

.ksn-mega-deep-menu > li > a::after {
    content: "";
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 14px;
    background: var(--ksn-primary);
    border-radius: 2px;
}

.ksn-mega-deep-menu a {
    display: block;
    padding: 3px 12px;
    color: var(--ksn-text-sub);
    font-size: 12.5px;
    font-weight: 400;
    text-decoration: none;
    line-height: 1.8;
    transition: color 0.15s ease;
}

.ksn-mega-deep-menu a:hover,
.ksn-mega-deep-menu > li > a:hover {
    color: var(--ksn-primary);
}

/* ========================================================
   Standard Dropdown Menu
======================================================== */
.ksn-cat-nav ul.ksn-nav-list > li.menu-item-has-children:not(.has-mega-menu) {
    position: relative;
}

.ksn-cat-nav ul.ksn-nav-list > li.menu-item-has-children:not(.has-mega-menu) > ul {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    left: auto;
    width: max-content;
    min-width: 200px;
    background: #ffffff;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    border: 1px solid var(--ksn-border);
    border-radius: 0 0 8px 8px;
    padding: 8px 0;
    margin: 0;
    list-style: none;
    z-index: 99999;
}

.ksn-cat-nav ul.ksn-nav-list > li.menu-item-has-children:not(.has-mega-menu):hover > ul {
    display: block;
}

.ksn-cat-nav ul.ksn-nav-list > li.menu-item-has-children:not(.has-mega-menu) > ul > li > a {
    display: block;
    padding: 9px 18px;
    font-size: 13px;
    font-weight: 500;
    color: var(--ksn-text-main);
    text-decoration: none;
    white-space: nowrap;
    transition: background 0.15s, color 0.15s;
}

.ksn-cat-nav ul.ksn-nav-list > li.menu-item-has-children:not(.has-mega-menu) > ul > li > a:hover {
    background-color: var(--ksn-bg-subtle);
    color: var(--ksn-primary);
}

/* ========================================================
   Backdrop Overlay (حل مستقل و قطعی بدون وابستگی به تگ جداگانه)
======================================================== */
/* ۱. ایجاد لایه تیره زیر هدر به محض باز شدن مگامنو یا هر زیرمنو */
.ksn-site-header::after {
    content: "";
    position: fixed;
    top: 0;
    right: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(15, 23, 42, 0.55);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.25s ease, visibility 0.25s ease;
    z-index: 1000; /* پشت منوهای هدر و روی کل صفحه */
    pointer-events: none;
}

/* نمایش لایه به محض هاور شدن روی دسته‌بندی‌ها، مگامنو یا زیرمنوها */
.ksn-site-header:has(.ksn-cat-nav li:hover)::after,
.ksn-site-header:has(.ksn-mega-dropdown:hover)::after,
.ksn-site-header:has(.menu-item-has-children:hover)::after {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

/* برای سازگاری در صورتی که دایو ksn-menu-overlay در HTML باشد */
.ksn-menu-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.55);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, visibility 0.2s ease;
    z-index: 9998;
    pointer-events: none;
}
.ksn-menu-overlay.is-active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}


/* ========================================================
   User Dropdown
======================================================== */
.ksn-header-actions .ksn-user-dropdown-wrap {
    position: relative;
    display: inline-block;
}

.ksn-header-actions .ksn-user-sub-menu {
    position: absolute;
    top: 100%;
    right: 0;
    width: 180px;
    background: #fff;
    border: 1px solid #e5e7eb;
    box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1);
    border-radius: 8px;
    padding: 8px 0;
    margin: 4px 0 0 0;
    list-style: none;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s ease-in-out;
    z-index: 99999;
}

.ksn-header-actions .ksn-user-dropdown-wrap:hover .ksn-user-sub-menu {
    opacity: 1;
    visibility: visible;
}

.ksn-header-actions .ksn-user-sub-menu li a {
    display: block;
    padding: 8px 16px;
    color: var(--ksn-text-main);
    font-size: 13px;
    text-decoration: none;
    transition: background 0.15s;
}

.ksn-header-actions .ksn-user-sub-menu li a:hover {
    background: #f3f4f6;
    color: var(--ksn-text-main);
}

/* ========================================================
   Mobile Header
======================================================== */
.ksn-mobile-header {
    display: none;
}

@media (max-width: 991px) {
    .ksn-mobile-header {
        display: grid;
        grid-template-columns: 44px 1fr 44px;
        align-items: center;
        min-height: 56px;
        padding: 6px 12px;
        background: #fff;
        border-bottom: 1px solid #eee;
        direction: rtl;
    }

    .ksn-mobile-header-menu,
    .ksn-mobile-header-search {
        width: 44px;
        height: 44px;
        padding: 0;
        border: 0;
        background: transparent;
        color: #333;
        display: flex;
        align-items: center;
        justify-content: center;
        cursor: pointer;
    }

    .ksn-mobile-header-logo {
        display: flex;
        justify-content: center;
        align-items: center;
    }

    .ksn-mobile-header-logo img {
        display: block;
        width: auto;
        max-width: 130px;
        height: 42px;
        object-fit: contain;
    }

    .ksn-header-main,
    .ksn-header-nav,
    .ksn-mobile-menu-trigger {
        display: none;
    }
}

/* ========================================================
   فوتر سایت (Footer Core)
======================================================== */
.ksn-site-footer {
    direction: rtl;
    text-align: right;
    background: #ffffff;
    border-top: 1px solid var(--ksn-border);
    margin-top: 5px;
    font-size: 14px;
    color: var(--ksn-text-muted);
}

.ksn-footer-features-section {
    padding: 24px 0;
}

.ksn-features-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
    gap: 16px;
    flex-wrap: wrap;
}

.ksn-footer-logo {
    max-width: 142px;
    height: auto;
    display: block;
}

.ksn-features-contact {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 13px;
}

.ksn-back-to-top {
    display: flex;
    align-items: center;
    gap: 6px;
    background: #ffffff;
    border: 1px solid var(--ksn-border);
    padding: 6px 14px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 13px;
    color: var(--ksn-text-muted);
}

.ksn-features-grid,
.ks-v2-product .ks-v2-features-section .ksn-features-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
    align-items: center;
    width: 100%;
}

.ks-v2-product .ks-v2-features-section .ksn-features-grid {
    opacity: 0.5;
}

.ksn-feature-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    justify-content: flex-start;
    gap: 8px;
    padding: 8px 4px;
    font-size: 13px;
    font-weight: bold;
    color: var(--ksn-text-muted);
    min-width: 0;
}

.ksn-features-grid .ksn-feat-text,
.ks-v2-product .ks-v2-features-section .ksn-features-grid span,
.ks-v2-product .ks-v2-features-section .ksn-features-grid p,
.ks-v2-product .ks-v2-features-section .ksn-features-grid div {
    white-space: normal;
    text-overflow: clip;
    overflow: visible;
    text-align: center;
    width: 100%;
    font-size: 11.5px;
    line-height: 1.4;
    word-break: keep-all;
}

.ksn-footer-menus-section {
    border-bottom: 1px solid var(--ksn-border);
}

.ksn-footer-columns {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.ksn-footer-title,
.ksn-footer-col h4 {
    font-size: 15px;
    font-weight: 700;
    color: var(--ksn-text-main);
    margin-bottom: 16px;
}

.ksn-footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.ksn-footer-links a {
    color: var(--ksn-text-muted);
    text-decoration: none;
    font-size: 13px;
    line-height: 2;
    transition: color 0.2s ease;
}

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

.ksn-footer-bottom-section {
    padding: 32px 0;
    background: var(--ksn-bg-subtle);
    border-top: 1px solid var(--ksn-border);
}

.ksn-footer-bottom-row {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 32px;
}

.ksn-footer-intro {
    flex: 1;
}

.ksn-footer-brand-title {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--ksn-text-main);
}

.ksn-footer-desc {
    line-height: 1.8;
    color: var(--ksn-text-muted);
    font-size: 13.5px;
    margin: 0;
}

.ksn-footer-licenses {
    flex-shrink: 0;
}

.ksn-license-card img {
    max-width: 220px;
    height: auto;
    border: 1px solid var(--ksn-border);
    border-radius: 8px;
    padding: 6px;
}

.ksn-footer-copyright {
    border-top: 1px solid var(--ksn-border);
    text-align: center;
    font-size: 12px;
    color: var(--ksn-text-sub);
    padding: 12px 0;
}

.ksn-social-links {
    display: flex;
    align-items: center;
    gap: 12px;
}

.ksn-social-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: transform 0.2s ease;
}

.ksn-social-icon:hover {
    transform: translateY(-2px);
}

.ks-collapsible-wrapper {
    max-height: 320px;
    overflow: hidden;
    position: relative;
    transition: max-height 0.25s ease-out;
}

.ks-collapsible-wrapper.is-expanded {
    max-height: 3000px;
}

/* ========================================================
   ریسپانسیو فوتر (تبلت و موبایل)
======================================================== */
@media (max-width: 992px) {
    .ksn-footer-columns {
        grid-template-columns: repeat(2, 1fr);
    }
    .ksn-footer-bottom-row {
        flex-direction: column;
    }
}

@media (max-width: 768px) {
    .ksn-footer-menus-section .ksn-footer-columns {
        display: flex;
        flex-direction: column;
        gap: 0;
        padding: 0 16px;
    }

    .ksn-footer-col:not(.ksn-col-social) {
        border-bottom: 1px solid #f1f5f9;
        margin-bottom: 0;
    }

    .ksn-footer-col:not(.ksn-col-social) .ksn-footer-title {
        display: flex;
        align-items: center;
        justify-content: space-between;
        cursor: pointer;
        margin: 0;
        padding: 14px 0;
        font-size: 0.95rem;
        color: #1e293b;
        user-select: none;
    }

    .ksn-footer-col:not(.ksn-col-social) .ksn-footer-title::after {
        content: "";
        width: 8px;
        height: 8px;
        border-left: 2px solid #64748b;
        border-bottom: 2px solid #64748b;
        transform: rotate(-45deg);
        transition: transform 0.25s ease;
        margin-right: 8px;
    }

    .ksn-footer-col.is-open .ksn-footer-title::after {
        transform: rotate(135deg);
        border-color: #0f172a;
    }

    .ksn-footer-col:not(.ksn-col-social) .ksn-footer-links {
        display: none;
        padding: 4px 0 16px 0;
        margin: 0;
    }

    .ksn-footer-col.is-open .ksn-footer-links {
        display: block;
    }

    .ksn-footer-col:not(.ksn-col-social) .ksn-footer-links li {
        padding: 6px 0;
    }

    .ksn-footer-col.ksn-col-social {
        padding-top: 18px;
        text-align: right;
    }

    .ksn-footer-desc {
        max-height: 90px;
        overflow: hidden;
        position: relative;
        transition: max-height 0.3s ease;
    }

    .ksn-footer-desc.ks-footer-expanded {
        max-height: 500px;
    }

    .ksn-footer-expand-btn {
        background: none;
        border: none;
        color: #0284c7;
        font-weight: 600;
        padding: 6px 0;
        cursor: pointer;
        font-size: 0.85rem;
        display: inline-flex;
        align-items: center;
        gap: 4px;
        margin-top: 6px;
    }
}