/* =============================================
   ТЕХНОRU — Основной CSS
   ============================================= */

:root {
    --black: #0a0a0a;
    --black-light: #141414;
    --black-medium: #1a1a1a;
    --red: #e60012;
    --red-hover: #cc000f;
    --white: #ffffff;
    --gray-dark: #2a2a2a;
    --gray: #555555;
    --gray-light: #999999;
    --radius: 8px;
    --transition: 0.2s ease;
}

*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Segoe UI', Arial, sans-serif;
    background-color: var(--black);
    color: var(--white);
    font-size: 16px;
    line-height: 1.5;
    min-height: 100vh;
}

a {
    color: var(--white);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--red);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ============ HEADER ============ */
.header {
    background-color: var(--black-light);
    border-bottom: 1px solid var(--gray-dark);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header__top {
    background-color: var(--black);
    padding: 8px 0;
    font-size: 13px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.header__top .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
}

.header__nav {
    display: flex;
    gap: 20px;
}

.header__nav a {
    color: var(--gray-light);
    font-size: 13px;
}

.header__nav a:hover {
    color: var(--white);
}

.header__phone {
    font-weight: 700;
    color: var(--white);
}

.header__main .container {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 10px 0;
    flex-wrap: wrap;
}

/* Логотип */
.logo {
    font-size: 28px;
    font-weight: 900;
    letter-spacing: 2px;
    flex-shrink: 0;
    display: flex;
    align-items: baseline;
}

.logo__tech {
    color: var(--red);
    text-shadow: 0 0 15px rgba(230, 0, 18, 0.5);
}

.logo__ru {
    color: var(--white);
}

/* Кнопка Каталог */
.header__catalog-btn {
    background-color: var(--red);
    color: var(--white);
    border: none;
    padding: 10px 18px;
    border-radius: var(--radius);
    font-weight: 700;
    cursor: pointer;
    white-space: nowrap;
    font-size: 14px;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
}

.header__catalog-btn:hover {
    background-color: var(--red-hover);
}

/* Поиск */
.search {
    flex: 1;
    min-width: 200px;
    max-width: 500px;
    display: flex;
}

.search__input {
    flex: 1;
    padding: 10px 14px;
    background-color: var(--black);
    border: 2px solid var(--gray-dark);
    border-radius: var(--radius) 0 0 var(--radius);
    color: var(--white);
    font-size: 14px;
    transition: var(--transition);
}

.search__input:focus {
    outline: none;
    border-color: var(--red);
}

.search__btn {
    background-color: var(--red);
    color: var(--white);
    border: none;
    padding: 10px 16px;
    border-radius: 0 var(--radius) var(--radius) 0;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
}

.search__btn:hover {
    background-color: var(--red-hover);
}

/* Иконки действий */
.header__actions {
    display: flex;
    gap: 14px;
    flex-shrink: 0;
}

.header__action {
    display: flex;
    flex-direction: column;
    align-items: center;
    font-size: 11px;
    color: var(--gray-light);
    position: relative;
    transition: var(--transition);
}

.header__action:hover {
    color: var(--white);
}

.badge {
    position: absolute;
    top: -6px;
    right: -10px;
    background-color: var(--red);
    color: var(--white);
    font-size: 10px;
    font-weight: 700;
    min-width: 16px;
    height: 16px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 4px;
}

/* ============ МЕГА-МЕНЮ ============ */
.mega-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--black-light);
    border-bottom: 2px solid var(--red);
    z-index: 999;
}

.mega-menu.active {
    display: block;
}

.mega-menu .container {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 24px;
    padding: 24px 20px;
}

.mega-menu__title {
    font-weight: 700;
    font-size: 15px;
    margin-bottom: 8px;
    display: block;
}

.mega-menu__title:hover {
    color: var(--red);
}

.mega-menu ul {
    list-style: none;
}

.mega-menu ul li {
    margin-bottom: 4px;
}

.mega-menu ul a {
    color: var(--gray-light);
    font-size: 13px;
}

.mega-menu ul a:hover {
    color: var(--red);
}

/* ============ HERO ============ */
.hero {
    background: linear-gradient(135deg, var(--black-light) 0%, var(--black) 100%);
    padding: 60px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
    border-bottom: 1px solid var(--gray-dark);
}

.hero::before {
    content: '';
    position: absolute;
    top: -60px;
    left: -60px;
    width: 250px;
    height: 250px;
    background: radial-gradient(circle, rgba(230, 0, 18, 0.2) 0%, transparent 70%);
    border-radius: 50%;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -60px;
    right: -60px;
    width: 250px;
    height: 250px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.04) 0%, transparent 70%);
    border-radius: 50%;
}

.hero__title {
    font-size: 42px;
    font-weight: 900;
    position: relative;
    z-index: 1;
}

.hero__subtitle {
    font-size: 18px;
    color: var(--gray-light);
    margin: 10px 0 20px;
    position: relative;
    z-index: 1;
}

.hero__search {
    display: flex;
    max-width: 600px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.hero__search-input {
    flex: 1;
    padding: 14px 18px;
    background-color: var(--black-medium);
    border: 2px solid var(--gray-dark);
    border-radius: var(--radius) 0 0 var(--radius);
    color: var(--white);
    font-size: 16px;
}

.hero__search-input:focus {
    outline: none;
    border-color: var(--red);
}

.hero__search-btn {
    background-color: var(--red);
    color: var(--white);
    border: none;
    padding: 14px 24px;
    border-radius: 0 var(--radius) var(--radius) 0;
    font-weight: 700;
    cursor: pointer;
    font-size: 16px;
    transition: var(--transition);
}

.hero__search-btn:hover {
    background-color: var(--red-hover);
}

/* ============ SECTIONS ============ */
.section {
    padding: 40px 0;
}

.section--dark {
    background-color: var(--black-light);
}

.section__title {
    font-size: 24px;
    font-weight: 900;
    margin-bottom: 20px;
    letter-spacing: 1px;
}

/* ============ PRODUCT GRID ============ */
.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
}

/* ============ PRODUCT CARD ============ */
.product-card {
    background-color: var(--black-medium);
    border-radius: var(--radius);
    padding: 14px;
    position: relative;
    border: 1px solid var(--gray-dark);
    display: flex;
    flex-direction: column;
    transition: 0.2s ease;
}

.product-card:hover {
    border-color: var(--red);
    box-shadow: 0 0 20px rgba(230, 0, 18, 0.1);
    transform: translateY(-2px);
}

.product-card__labels {
    position: absolute;
    top: 10px;
    left: 10px;
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
    z-index: 2;
}

.label {
    padding: 3px 7px;
    font-size: 10px;
    font-weight: 700;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.label--hit {
    background-color: var(--red);
    color: var(--white);
}

.label--new {
    background-color: #00aaff;
    color: var(--white);
}

.label--sale {
    background-color: #ff6600;
    color: var(--white);
}

.product-card__image {
    display: flex;
    align-items: center;
    justify-content: center;
    aspect-ratio: 1;
    background-color: var(--black);
    border-radius: var(--radius);
    margin-bottom: 10px;
    overflow: hidden;
}

.product-card__image img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.product-card__image-placeholder {
    font-size: 56px;
    color: var(--gray-dark);
}

.product-card__info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.product-card__name {
    font-size: 13px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-card__rating {
    font-size: 12px;
    color: var(--gray-light);
}

.product-card__price-block {
    display: flex;
    align-items: baseline;
    gap: 8px;
    flex-wrap: wrap;
}

.price--current {
    font-size: 18px;
    font-weight: 900;
    color: var(--white);
}

.price--old {
    font-size: 13px;
    color: var(--gray-light);
    text-decoration: line-through;
}

.product-card__actions {
    display: flex;
    gap: 6px;
    margin-top: auto;
    padding-top: 10px;
}

/* ============ BUTTONS ============ */
.btn {
    border: none;
    cursor: pointer;
    font-weight: 700;
    font-size: 13px;
    border-radius: var(--radius);
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
}

.btn--cart {
    background-color: var(--red);
    color: var(--white);
    padding: 9px 14px;
    flex: 1;
}

.btn--cart:hover {
    background-color: var(--red-hover);
}

.btn--icon {
    background-color: var(--black);
    color: var(--gray-light);
    width: 36px;
    height: 36px;
    padding: 0;
    font-size: 16px;
}

.btn--icon:hover {
    color: var(--red);
}

.btn--large {
    padding: 14px 28px;
    font-size: 16px;
}

.btn--small {
    padding: 6px 12px;
    font-size: 12px;
}

/* ============ UTP ============ */
.utp {
    padding: 40px 0;
}

.utp__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.utp__item {
    text-align: center;
    padding: 24px 16px;
    background-color: var(--black-medium);
    border-radius: var(--radius);
    border: 1px solid var(--gray-dark);
}

.utp__item strong {
    display: block;
    margin: 8px 0 4px;
    font-size: 15px;
}

.utp__item span {
    color: var(--gray-light);
    font-size: 13px;
}

/* ============ BREADCRUMBS ============ */
.breadcrumbs {
    padding: 15px 0;
    font-size: 13px;
    color: var(--gray-light);
}

.breadcrumbs a {
    color: var(--gray-light);
}

.breadcrumbs a:hover {
    color: var(--red);
}

/* ============ CATALOG ============ */
.catalog {
    min-height: 60vh;
}

.catalog__layout {
    display: flex;
    gap: 24px;
}

.catalog__filters {
    width: 260px;
    flex-shrink: 0;
}

.catalog__filters h3 {
    font-size: 18px;
    margin-bottom: 16px;
}

.filter-block {
    margin-bottom: 20px;
}

.filter-block h4 {
    font-size: 14px;
    margin-bottom: 8px;
}

.filter-price {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.filter-price input {
    width: calc(50% - 3px);
    padding: 8px;
    background-color: var(--black);
    border: 1px solid var(--gray-dark);
    color: var(--white);
    border-radius: var(--radius);
    font-size: 13px;
}

.filter-price input:focus {
    outline: none;
    border-color: var(--red);
}

.filter-checkbox {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    margin-bottom: 6px;
    cursor: pointer;
    color: var(--gray-light);
}

.filter-checkbox input[type="checkbox"] {
    accent-color: var(--red);
    width: 16px;
    height: 16px;
}

.catalog__content {
    flex: 1;
    min-width: 0;
}

.catalog__toolbar {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.catalog__toolbar h1 {
    font-size: 24px;
}

.catalog__count {
    color: var(--gray-light);
    font-size: 14px;
}

.catalog__sort {
    padding: 8px;
    background-color: var(--black);
    border: 1px solid var(--gray-dark);
    color: var(--white);
    border-radius: var(--radius);
    cursor: pointer;
}

/* ============ PAGINATION ============ */
.pagination {
    display: flex;
    gap: 8px;
    margin-top: 24px;
    justify-content: center;
    flex-wrap: wrap;
}

.pagination__item {
    padding: 8px 14px;
    background-color: var(--black-medium);
    border-radius: var(--radius);
    font-weight: 700;
    font-size: 14px;
    transition: var(--transition);
}

.pagination__item.active {
    background-color: var(--red);
}

.pagination__item:hover:not(.active) {
    background-color: var(--gray-dark);
}

/* ============ PRODUCT PAGE ============ */
.product-page {
    padding: 30px 0;
}

.product-page__layout {
    display: flex;
    gap: 40px;
}

.product-page__gallery {
    width: 500px;
    flex-shrink: 0;
}

.product-page__main-image {
    width: 100%;
    border-radius: var(--radius);
}

.product-page__info h1 {
    font-size: 24px;
    margin-bottom: 10px;
}

.product-page__rating {
    font-size: 14px;
    color: var(--gray-light);
    margin-bottom: 16px;
}

.product-page__price {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.product-page__price .price--current {
    font-size: 28px;
}

.product-page__desc {
    margin-top: 20px;
    color: var(--gray-light);
    line-height: 1.6;
}

/* ============ CART ============ */
.cart-page {
    padding: 40px 0;
    min-height: 50vh;
}

.cart__items {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin: 20px 0;
}

.cart__item {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 12px;
    background-color: var(--black-medium);
    border-radius: var(--radius);
    flex-wrap: wrap;
}

.cart__item span {
    flex: 1;
}

.cart__total {
    font-size: 20px;
    margin: 20px 0;
}

/* ============ FOOTER ============ */
.footer {
    background-color: var(--black-light);
    border-top: 1px solid var(--gray-dark);
    padding: 30px 0;
    text-align: center;
    margin-top: 40px;
    color: var(--gray-light);
    font-size: 13px;
}

/* ============ TOAST ============ */
.toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    background-color: #1a1a1a;
    color: var(--white);
    padding: 16px 24px;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 14px;
    z-index: 9999;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.3s ease, transform 0.3s ease;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.6);
    border: 1px solid var(--red);
    border-left: 4px solid var(--red);
    max-width: 400px;
}

.toast.show {
    opacity: 1;
    transform: translateY(0);
}
/* ============ ADAPTIVE ============ */
@media (max-width: 1200px) {
    .products-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 1024px) {
    .products-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    .utp__grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .mega-menu .container {
        grid-template-columns: repeat(3, 1fr);
    }
    .catalog__layout {
        flex-direction: column;
    }
    .catalog__filters {
        width: 100%;
    }
    .product-page__layout {
        flex-direction: column;
    }
    .product-page__gallery {
        width: 100%;
        max-width: 500px;
    }
}

@media (max-width: 768px) {
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .hero__title {
        font-size: 30px;
    }
    .header__nav {
        display: none;
    }
    .header__main .container {
        gap: 10px;
    }
    .search {
        order: 10;
        flex: 100%;
        max-width: 100%;
    }
    .product-page__gallery {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .products-grid {
        grid-template-columns: 1fr 1fr;
        gap: 8px;
    }
    .product-card {
        padding: 8px;
    }
    .price--current {
        font-size: 15px;
    }
    .utp__grid {
        grid-template-columns: 1fr;
    }
    .hero__title {
        font-size: 24px;
    }
    .hero {
        padding: 40px 0;
    }
}