/* =======================================================
   СИСТЕМНАЯ ШАПКА: ДЕСКТОП, НОУТБУКИ, ПЛАНШЕТЫ, МОБИЛЬНЫЕ
   ======================================================= */

.site-header {
    background-color: var(--clr-white);
    border-bottom: 1px solid var(--clr-border);
    position: sticky;
    top: 0;
    z-index: var(--z-sticky-header);
    margin-bottom: var(--space-md);
    width: 100%;
}

.header-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 10px var(--container-padding);
    display: flex;
    flex-direction: column;
    gap: 10px;
    box-sizing: border-box;
}

/* =======================================================
   1. ВЕРХНИЙ РЯД
   ======================================================= */
.header-top-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
    width: 100%;
}

/* ЛОГОТИП */
.brand-logo {
    display: flex;
    align-items: center;
    cursor: pointer;
    padding: 0;
    background: transparent;
    flex-shrink: 0;
}

.logo-m {
    font-size: clamp(40px, 3.6vw, 64px);
    font-weight: 200;
    font-family: Arial, sans-serif;
    line-height: 1;
    letter-spacing: -1px;
    color: var(--clr-black);
}

.logo-divider {
    width: 3px;
    height: clamp(28px, 2.6vw, 46px);
    background: linear-gradient(
        to bottom,
        #000000 0%, #000000 33.33%,
        var(--accent-red) 33.33%, var(--accent-red) 66.66%,
        #FFCC00 66.66%, #FFCC00 100%
    );
    margin: 0 clamp(8px, 0.9vw, 14px);
}

.logo-text {
    font-size: clamp(14px, 1.1vw, 20px);
    font-weight: 200;
    letter-spacing: clamp(2px, 0.25vw, 3.5px);
    text-transform: uppercase;
    display: inline-block;
    line-height: 1.2;
    color: var(--clr-black);
}

/* ПОИСК */
.header-search-wrapper {
    position: relative;
    flex: 1 1 auto;
    max-width: 680px;
    min-width: 220px;
    display: flex;
    align-items: center;
    z-index: var(--z-search-top);
}

.header-search-icon {
    position: absolute;
    left: 16px;
    width: 16px;
    height: 16px;
    stroke: var(--clr-muted);
    pointer-events: none;
    z-index: 2;
}

.header-search-input {
    width: 100%;
    height: 42px;
    padding: 0 40px 0 44px;
    background-color: var(--clr-bg-light);
    border: 1px solid var(--clr-border);
    border-radius: 21px;
    font-family: var(--font-main);
    font-size: var(--text-base);
    color: var(--clr-dark);
    outline: none;
    transition: all 0.2s ease;
    box-sizing: border-box;
}

.header-search-input:focus,
.header-search-input:hover {
    background-color: var(--clr-white);
    border-color: var(--accent-red);
    box-shadow: 0 4px 16px var(--accent-red-soft);
}

.search-clear-btn-top {
    position: absolute;
    right: 14px;
    font-size: 18px;
    color: var(--clr-muted);
    cursor: pointer;
    user-select: none;
    z-index: 2;
}

.header-search-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    width: 100%;
    background-color: var(--clr-white);
    border: 1px solid var(--clr-border);
    border-radius: 14px;
    box-shadow: var(--shadow-dropdown);
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-6px);
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
    z-index: var(--z-search-top);
}

.header-search-dropdown.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.header-search-results-list {
    max-height: 360px;
    overflow-y: auto;
    padding: 6px 0;
}

.search-dropdown-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 10px 16px;
    border-bottom: 1px solid var(--clr-border);
    cursor: pointer;
}

.search-dropdown-item:hover {
    background-color: var(--accent-red-soft);
}

.search-dropdown-img {
    width: 40px;
    height: 40px;
    object-fit: contain;
    border-radius: 4px;
    flex-shrink: 0;
}

.search-dropdown-title {
    font-size: var(--text-sm);
    font-weight: 700;
    color: var(--clr-dark);
}

.search-dropdown-sku {
    font-size: var(--text-xs);
    color: var(--clr-muted);
}

.search-dropdown-price {
    font-size: var(--text-base);
    font-weight: 700;
    color: var(--clr-dark);
    margin-left: auto;
}

.search-backdrop-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: transparent;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: var(--z-backdrop);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease;
}

.search-backdrop-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* КОРЗИНА И КОНТАКТЫ */
.header-right-actions {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    flex-shrink: 0;
}

.quick-cart-trigger-btn {
    background: transparent;
    border: none;
    padding: 0;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    flex-shrink: 0;
}

.quick-cart-trigger-btn .cart-icon-svg {
    width: clamp(24px, 1.8vw, 28px);
    height: clamp(24px, 1.8vw, 28px);
    flex-shrink: 0;
    stroke: var(--clr-black);
}

.quick-cart-text-col {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    line-height: 1.2;
}

.quick-cart-qty-text {
    font-size: var(--text-xs);
    color: var(--clr-muted);
}

.quick-cart-badge {
    font-size: var(--text-sm);
    font-weight: 700;
    color: var(--clr-black);
}

.quick-cart-total-display {
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--clr-dark);
}

.quick-cart-total-display .price-num,
.price-num {
    color: var(--accent-red) !important;
}

.header-nav-divider {
    width: 1px;
    height: clamp(28px, 2.4vw, 38px);
    background-color: var(--clr-border);
    display: inline-block;
}

.header-contacts-block {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    flex-shrink: 0;
}

.header-contact-line {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    text-decoration: none;
    color: var(--clr-dark);
}

.header-contact-icon {
    width: 16px;
    height: 16px;
    stroke: var(--clr-dark);
    flex-shrink: 0;
}

.header-contact-text {
    font-family: var(--font-main);
    font-size: var(--text-sm);
    font-weight: 700;
    line-height: 1;
}

.header-contact-line[href^="tel:"] .header-contact-text {
    color: var(--accent-red);
}

/* =======================================================
   2. НАВИГАЦИЯ: ЭЛАСТИЧНЫЙ ЗАЗОР
   ======================================================= */
.header-main-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: clamp(32px, 5vw, 100px);
    width: 100%;
    padding-top: 10px;
    border-top: 1px solid var(--clr-border);
}

.nav-link {
    font-family: var(--font-main);
    font-size: var(--text-sm);
    font-weight: 700;
    color: var(--clr-dark);
    text-decoration: none;
    letter-spacing: 0.8px;
    text-transform: uppercase;
    position: relative;
    padding: 6px 0;
    white-space: nowrap;
    transition: color 0.25s ease;
}

.nav-link:hover {
    color: var(--accent-red);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-red);
    transition: width 0.25s ease-in-out;
}

.nav-link:hover::after {
    width: 100%;
}

/* =======================================================
   3. ПЛАНШЕТЫ И МОБИЛЬНЫЕ
   ======================================================= */
@media (max-width: 1024px) {
    .header-contacts-block .header-contact-line:nth-child(2) {
        display: none;
    }
}

@media (max-width: 768px) {
    .header-container {
        padding: 8px var(--space-sm);
        gap: 8px;
    }

    .header-top-row {
        flex-wrap: wrap;
        gap: 10px;
    }

    .brand-logo {
        order: 1;
    }

    .header-right-actions {
        order: 2;
        gap: 12px;
    }

    .quick-cart-qty-text,
    .header-nav-divider,
    .header-contacts-block {
        display: none;
    }

    .header-search-wrapper {
        order: 3;
        width: 100%;
        max-width: 100%;
        min-width: 100%;
    }

    .header-main-nav {
        justify-content: flex-start;
        overflow-x: auto;
        overflow-y: hidden;
        -webkit-overflow-scrolling: touch;
        gap: 20px;
        padding-bottom: 4px;
        scrollbar-width: none;
    }

    .header-main-nav::-webkit-scrollbar {
        display: none;
    }

    .nav-link {
        font-size: var(--text-xs);
        padding: 6px 4px;
    }
}