:root {
    --site-navy: #102a43;
    --site-navy-soft: #1c3d5f;
    --site-navy-deep: #0c2134;
    --site-primary: #1a6fd0;
    --site-primary-dark: #1256a8;
    --site-primary-soft: #e8f1fb;
    --site-accent: #e99b2f;
    --site-accent-dark: #cf8220;
    --site-accent-soft: #fdf1dd;
    --site-light: #f4f7fb;
    --site-border: #e2e8f0;
    --site-ink: #1d2937;
    --site-muted: #64748b;

    --bs-primary: #1a6fd0;
    --bs-primary-rgb: 26, 111, 208;
    --bs-link-color: #1a6fd0;
    --bs-link-color-rgb: 26, 111, 208;
    --bs-link-hover-color: #1256a8;
    --bs-link-hover-color-rgb: 18, 86, 168;
    --bs-border-color: #e2e8f0;
    --bs-body-color: #1d2937;
    --bs-body-bg: #ffffff;
    --bs-body-font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

::selection {
    background: rgba(26, 111, 208, 0.85);
    color: #fff;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--bs-body-font-family);
    color: var(--site-ink);
    background: #fff;
    display: flex;
    min-height: 100vh;
    flex-direction: column;
}

main {
    flex: 1 0 auto;
}

a {
    color: var(--site-primary);
    text-decoration: none;
    transition: color 0.15s ease;
}

a:hover {
    color: var(--site-primary-dark);
}

/* ===================== Buttons ===================== */

.btn-primary {
    --bs-btn-bg: var(--site-primary);
    --bs-btn-border-color: var(--site-primary);
    --bs-btn-hover-bg: var(--site-primary-dark);
    --bs-btn-hover-border-color: var(--site-primary-dark);
    --bs-btn-active-bg: var(--site-primary-dark);
    --bs-btn-active-border-color: var(--site-primary-dark);
    --bs-btn-disabled-bg: #7ba9d9;
    --bs-btn-disabled-border-color: #7ba9d9;
}

.btn-outline-primary {
    --bs-btn-color: var(--site-primary);
    --bs-btn-border-color: var(--site-primary);
    --bs-btn-hover-bg: var(--site-primary);
    --bs-btn-hover-border-color: var(--site-primary);
    --bs-btn-active-bg: var(--site-primary-dark);
    --bs-btn-active-border-color: var(--site-primary-dark);
}

.btn-accent {
    --bs-btn-bg: var(--site-accent);
    --bs-btn-border-color: var(--site-accent);
    --bs-btn-hover-bg: var(--site-accent-dark);
    --bs-btn-hover-border-color: var(--site-accent-dark);
    --bs-btn-active-bg: var(--site-accent-dark);
    --bs-btn-active-border-color: var(--site-accent-dark);
    --bs-btn-color: #fff;
    --bs-btn-hover-color: #fff;
    --bs-btn-active-color: #fff;
}

.btn-rounded {
    border-radius: 0.65rem;
}

.btn {
    font-weight: 600;
    letter-spacing: 0.01em;
}

/* ===================== Forms ===================== */

.form-control,
.form-select {
    border-radius: 0.55rem;
    border-color: var(--site-border);
    padding: 0.6rem 0.85rem;
}

.form-control:focus,
.form-select:focus {
    border-color: #7cb0e5;
    box-shadow: 0 0 0 0.2rem rgba(26, 111, 208, 0.14);
}

.form-label {
    font-weight: 600;
    color: var(--site-navy);
    font-size: 0.9rem;
}

/* ===================== Forms panel ===================== */

.request-panel {
    background: #fff;
    border: 1px solid var(--site-border);
    border-top: 4px solid var(--site-accent);
    border-radius: 0.85rem;
    box-shadow: 0 10px 30px rgba(16, 42, 67, 0.08);
    padding: 1.5rem;
}

.request-panel h4 {
    color: var(--site-navy);
    font-weight: 700;
}

.request-panel .request-note {
    color: var(--site-muted);
    font-size: 0.92rem;
}

/* ===================== Header ===================== */

.site-header {
    background: #fff;
    border-bottom: 1px solid var(--site-border);
    position: sticky;
    top: 0;
    z-index: 1030;
    transition: box-shadow 0.2s ease;
}

.site-header.scrolled {
    box-shadow: 0 6px 20px rgba(16, 42, 67, 0.08);
}

.brand-box {
    width: 40px;
    height: 40px;
    border-radius: 0.6rem;
    background: linear-gradient(135deg, var(--site-accent) 0%, #f3b85c 100%);
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    margin-right: 0.6rem;
}

.navbar-brand {
    font-weight: 800;
    color: var(--site-navy) !important;
    font-size: 1.15rem;
    letter-spacing: -0.01em;
    white-space: normal;
    line-height: 1.25;
}

.navbar-brand .brand-box {
    flex-shrink: 0;
}

.navbar-brand > span:last-child {
    min-width: 0;
}

.site-header .nav-link {
    color: var(--site-ink) !important;
    font-weight: 500;
    padding: 0.55rem 1rem !important;
    border-radius: 0.5rem;
}

.site-header .nav-link:hover {
    color: var(--site-primary) !important;
    background: var(--site-primary-soft);
}

.header-phone {
    font-weight: 700;
    color: var(--site-navy) !important;
    white-space: nowrap;
}

/* ===================== Hero ===================== */

.hero {
    background:
        radial-gradient(1100px 500px at 85% -10%, rgba(233, 155, 47, 0.35) 0%, transparent 55%),
        radial-gradient(900px 480px at -10% 110%, rgba(26, 111, 208, 0.5) 0%, transparent 55%),
        linear-gradient(135deg, var(--site-navy-deep) 0%, var(--site-navy-soft) 60%, #163a5f 100%);
    color: #fff;
    padding: 5.5rem 0 6rem;
    position: relative;
    overflow: hidden;
}

.hero::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: -1px;
    height: 90px;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 90' preserveAspectRatio='none'%3E%3Cpath fill='%23ffffff' d='M0,60 C300,100 500,10 1200,50 L1200,90 L0,90 Z'/%3E%3C/svg%3E") no-repeat bottom center / cover;
}

.hero .hero-kicker {
    display: inline-block;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--site-accent);
    background: rgba(233, 155, 47, 0.14);
    border: 1px solid rgba(233, 155, 47, 0.4);
    padding: 0.35rem 0.9rem;
    border-radius: 999px;
    margin-bottom: 1.2rem;
}

.hero h1 {
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.15;
    max-width: 760px;
}

.hero .lead {
    color: rgba(255, 255, 255, 0.82);
    max-width: 640px;
}

.hero .hero-cta .btn {
    padding: 0.7rem 1.5rem;
    border-radius: 0.6rem;
}

.hero-feature-row {
    margin-top: 3rem;
    border-top: 1px solid rgba(255, 255, 255, 0.14);
    padding-top: 1.8rem;
}

.hero-feature-row .feature {
    display: flex;
    gap: 0.8rem;
    align-items: flex-start;
}

.hero-feature-row .feature i {
    font-size: 1.4rem;
    color: var(--site-accent);
}

.hero-feature-row .feature b {
    display: block;
    font-weight: 600;
    font-size: 0.95rem;
}

.hero-feature-row .feature span {
    color: rgba(255, 255, 255, 0.75);
    font-size: 0.88rem;
}

/* ===================== Inner page header ===================== */

.page-header {
    background:
        radial-gradient(700px 260px at 100% -40%, rgba(233, 155, 47, 0.22) 0%, transparent 60%),
        linear-gradient(135deg, var(--site-navy-deep) 0%, var(--site-navy) 60%, var(--site-navy-soft) 100%);
    color: #fff;
    padding: 3.2rem 0;
    margin-bottom: 2.4rem;
    position: relative;
}

.page-header h1 {
    font-weight: 800;
    letter-spacing: -0.02em;
    margin: 0;
}

.page-header .sub {
    color: rgba(255, 255, 255, 0.8);
    margin: 0.6rem 0 0;
    max-width: 720px;
}

.page-header .breadcrumb {
    margin: 0 0 1.1rem;
}

.page-header .breadcrumb-item {
    font-size: 0.9rem;
}

.page-header .breadcrumb-item a {
    color: rgba(255, 255, 255, 0.75);
}

.page-header .breadcrumb-item a:hover {
    color: #fff;
}

.page-header .breadcrumb-item.active {
    color: var(--site-accent);
}

.page-header .breadcrumb-item + .breadcrumb-item::before {
    color: rgba(255, 255, 255, 0.4);
}

/* ===================== Section titles ===================== */

.section-kicker {
    text-transform: uppercase;
    letter-spacing: 0.2em;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--site-accent-dark);
    margin-bottom: 0.5rem;
}

.section-title {
    font-weight: 800;
    color: var(--site-navy);
    letter-spacing: -0.02em;
    margin-bottom: 0.25rem;
}

.section-title::after {
    content: "";
    display: block;
    width: 56px;
    height: 4px;
    border-radius: 4px;
    background: linear-gradient(90deg, var(--site-accent), #f3b85c);
    margin-top: 0.6rem;
}

.text-center .section-title::after {
    margin-left: auto;
    margin-right: auto;
}

.section-sub {
    color: var(--site-muted);
    max-width: 640px;
}

/* ===================== Cards ===================== */

.card {
    border: 1px solid var(--site-border);
    border-radius: 0.85rem;
    transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.card:hover {
    transform: translateY(-3px);
    box-shadow: 0 14px 30px rgba(16, 42, 67, 0.12);
    border-color: #c9d7e6;
}

.card .card-title a {
    color: var(--site-navy);
    font-weight: 700;
}

.card .card-title a:hover {
    color: var(--site-primary);
}

.category-card {
    background: var(--site-light);
    border: 1px solid var(--site-border);
    border-radius: 0.85rem;
    padding: 1.4rem 1.4rem 1.2rem;
    height: 100%;
    transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
    display: flex;
    flex-direction: column;
}

.category-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 14px 30px rgba(16, 42, 67, 0.12);
    border-color: #bad2ea;
}

.category-card .cat-icon {
    width: 46px;
    height: 46px;
    border-radius: 0.7rem;
    background: #fff;
    border: 1px solid var(--site-border);
    color: var(--site-primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    margin-bottom: 0.9rem;
}

.category-card .cat-name {
    font-weight: 700;
    color: var(--site-navy);
    font-size: 1.05rem;
}

.category-card .cat-name:hover {
    color: var(--site-primary);
}

.chip {
    display: inline-block;
    background: #fff;
    border: 1px solid var(--site-border);
    color: var(--site-muted);
    border-radius: 999px;
    padding: 0.28rem 0.8rem;
    font-size: 0.85rem;
    margin: 0.2rem 0.2rem 0 0;
}

.chip:hover {
    color: var(--site-primary);
    border-color: var(--site-primary);
    background: var(--site-primary-soft);
}

.product-img-wrap {
    position: relative;
    border-radius: 0.85rem 0.85rem 0 0;
    overflow: hidden;
    aspect-ratio: 4 / 3;
    background: #f8fafc;
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-img-wrap img {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
    transition: transform 0.25s ease;
}

.product-card:hover .product-img-wrap img {
    transform: scale(1.05);
}

.product-img-link {
    display: block;
}

.img-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    color: #b6c2d1;
    font-size: 2.6rem;
    background:
        radial-gradient(circle at 30% 20%, rgba(26, 111, 208, 0.06) 0%, transparent 50%),
        #f1f5f9;
}

.chip-active {
    color: #fff !important;
    background: var(--site-primary);
    border-color: var(--site-primary);
}

.card .card-title a {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.35;
}

/* ===================== Live search suggestions ===================== */

.header-search-form .search-suggest {
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    right: 0;
    min-width: 320px;
    background: #fff;
    border: 1px solid var(--site-border);
    border-radius: 0.65rem;
    box-shadow: 0 14px 34px rgba(16, 42, 67, 0.16);
    z-index: 1050;
    overflow: hidden;
}

.suggest-list {
    max-height: 380px;
    overflow-y: auto;
}

.suggest-item {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    padding: 0.55rem 0.85rem;
    border-bottom: 1px solid #eef2f7;
    color: var(--site-ink);
}

.suggest-item:last-child {
    border-bottom: none;
}

.suggest-item:hover {
    background: var(--site-primary-soft);
    color: var(--site-navy);
}

.suggest-item img {
    width: 44px;
    height: 44px;
    object-fit: contain;
    border-radius: 0.4rem;
    background: #f1f5f9;
    flex-shrink: 0;
    border: 1px solid var(--site-border);
}

.suggest-ph {
    width: 44px;
    height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 0.4rem;
    background: #f1f5f9;
    border: 1px solid var(--site-border);
    color: #b6c2d1;
    flex-shrink: 0;
    font-size: 1.2rem;
}

.suggest-body {
    display: flex;
    flex-direction: column;
    min-width: 0;
    flex: 1;
}

.suggest-name {
    font-weight: 600;
    font-size: 0.88rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.suggest-meta {
    color: var(--site-muted);
    font-size: 0.78rem;
}

.suggest-price {
    color: var(--site-accent-dark);
    font-weight: 700;
    font-size: 0.85rem;
    white-space: nowrap;
}

.suggest-all {
    display: block;
    text-align: center;
    padding: 0.6rem;
    font-weight: 600;
    font-size: 0.88rem;
    background: #f8fafc;
    border-top: 1px solid #eef2f7;
    color: var(--site-primary);
}

.suggest-all:hover {
    background: var(--site-primary-soft);
}

@media (max-width: 991.98px) {
    .header-search-form .search-suggest {
        position: static;
        min-width: 0;
        box-shadow: none;
        border: none;
    }
}

.search-page-form .form-control {
    border-radius: 0.6rem 0 0 0.6rem;
}

.card .product-body {
    padding: 1.1rem 1.2rem 1.25rem;
}

.price {
    font-weight: 800;
    color: var(--site-accent-dark);
    font-size: 1.1rem;
}

.price-lg {
    font-size: 1.6rem;
}

.service-card {
    position: relative;
    overflow: hidden;
    height: 100%;
    border-radius: 0.85rem;
    border: 1px solid var(--site-border);
    background: #fff;
    transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.service-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 14px 30px rgba(16, 42, 67, 0.12);
}

.service-card .top-bar {
    height: 5px;
    background: linear-gradient(90deg, var(--site-accent), #f3b85c);
}

.service-card .service-icon {
    width: 52px;
    height: 52px;
    border-radius: 0.75rem;
    background: var(--site-primary-soft);
    color: var(--site-primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
}

.service-card .service-name {
    font-weight: 700;
    color: var(--site-navy);
    font-size: 1.1rem;
}

.badge-stock {
    display: inline-block;
    background: var(--site-light);
    border: 1px solid var(--site-border);
    color: var(--site-muted);
    border-radius: 999px;
    padding: 0.3rem 0.9rem;
    font-size: 0.85rem;
    font-weight: 600;
}

/* ===================== Tables ===================== */

.table-spec {
    border: 1px solid var(--site-border);
    border-radius: 0.85rem;
    overflow: hidden;
}

.table-spec tr:last-child td {
    border-bottom: none;
}

.table-spec td {
    padding: 0.85rem 1rem;
    border-color: var(--site-border);
}

.table-spec td:first-child {
    background: var(--site-light);
    color: var(--site-muted);
    font-weight: 600;
    width: 40%;
}

/* ===================== Documents / related ===================== */

.doc-list .list-group-item {
    border: 1px solid var(--site-border);
    border-radius: 0.6rem !important;
    margin-bottom: 0.5rem;
    padding: 0.8rem 1rem;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.doc-list .list-group-item:hover {
    border-color: #bad2ea;
    box-shadow: 0 4px 12px rgba(16, 42, 67, 0.08);
}

.doc-list .list-group-item i {
    color: var(--site-accent);
}

.text-accent {
    color: var(--site-accent-dark) !important;
}

/* ===================== Pagination ===================== */

.page-link {
    color: var(--site-primary);
}

.page-link:hover {
    color: var(--site-primary-dark);
    background: var(--site-primary-soft);
}

.page-item.active .page-link {
    background-color: var(--site-primary);
    border-color: var(--site-primary);
}

/* ===================== Prose (pages / descriptions) ===================== */

.content-prose {
    color: #334155;
    line-height: 1.75;
    font-size: 1.02rem;
}

.content-prose h1,
.content-prose h2,
.content-prose h3,
.content-prose h4 {
    color: var(--site-navy);
    font-weight: 700;
    margin-top: 1.6rem;
}

.content-prose img {
    max-width: 100%;
    border-radius: 0.6rem;
}

.content-prose a {
    text-decoration: underline;
    text-underline-offset: 3px;
}

/* ===================== Comments ===================== */

.req-answer {
    background: var(--site-accent-soft);
    border-left: 4px solid var(--site-accent);
    border-radius: 0.6rem;
    padding: 1rem 1.2rem;
}

/* ===================== Footer ===================== */

.site-footer {
    background: linear-gradient(180deg, #0c2134 0%, #091a2a 100%);
    color: #cbd5e1;
    padding: 3.2rem 0 0;
    margin-top: 4rem;
    flex-shrink: 0;
}

.site-footer .footer-brand {
    font-weight: 800;
    color: #fff;
    font-size: 1.2rem;
}

.site-footer h5 {
    color: #fff;
    font-weight: 700;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 1.1rem;
    position: relative;
    padding-bottom: 0.5rem;
}

.site-footer h5::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 30px;
    height: 3px;
    border-radius: 3px;
    background: var(--site-accent);
}

.site-footer a {
    color: #94a3b8;
}

.site-footer a:hover {
    color: #fff;
}

.site-footer .foot-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    margin-top: 2.4rem;
    padding: 1.1rem 0;
    color: #7b8ba1;
    font-size: 0.88rem;
}

.contact-line {
    display: flex;
    gap: 0.7rem;
    align-items: flex-start;
    margin-bottom: 0.8rem;
}

.contact-line i {
    color: var(--site-accent);
    font-size: 1.05rem;
    margin-top: 0.15rem;
}

.contact-line .value {
    color: #cbd5e1;
    text-decoration: none;
}

.contact-line a.value:hover {
    color: #fff;
}

/* ===================== Misc ===================== */

.breadcrumb a {
    color: var(--site-muted);
}

.breadcrumb a:hover {
    color: var(--site-primary);
}

.breadcrumb-item.active {
    color: var(--site-ink);
    font-weight: 600;
}

.not-found {
    text-align: center;
    padding: 5rem 1rem;
}

.not-found h1 {
    font-size: 5rem;
    font-weight: 800;
    color: var(--site-primary-soft);
}

@media (min-width: 992px) and (max-width: 1199.98px) {
    .site-header .header-phone {
        display: none;
    }

    .navbar-brand {
        font-size: 1.02rem;
    }

    .site-header .nav-link {
        padding: 0.4rem 0.7rem !important;
    }
}

@media (max-width: 991.98px) {
    .hero {
        padding: 3.5rem 0 4.5rem;
    }

    .page-header {
        padding: 2.2rem 0;
        margin-bottom: 1.8rem;
    }

    .table-spec td:first-child {
        width: 50%;
    }
}

@media (max-width: 767.98px) {
    .hero h1 {
        font-size: 2.1rem;
    }

    .hero .lead {
        font-size: 1.02rem;
    }

    .price-lg {
        font-size: 1.4rem;
    }

    .request-panel {
        padding: 1.25rem;
    }

    .navbar-brand {
        font-size: 1.02rem;
    }

    .header-phone {
        font-size: 0.95rem;
    }
}

@media (max-width: 575.98px) {
    .hero {
        padding: 2.8rem 0 3.4rem;
    }

    .hero h1 {
        font-size: 1.75rem;
        letter-spacing: -0.015em;
    }

    .hero .lead {
        font-size: 0.98rem;
    }

    .hero .hero-cta .btn {
        width: 100%;
        padding: 0.68rem 1.1rem;
        margin-right: 0 !important;
    }

    .page-header {
        padding: 1.9rem 0;
        margin-bottom: 1.4rem;
    }

    .page-header h1 {
        font-size: 1.55rem;
    }

    .page-header .sub {
        font-size: 0.94rem;
    }

    .section-title {
        font-size: 1.35rem;
    }

    .table-spec td {
        display: block;
        width: 100%;
    }

    .table-spec td:first-child {
        width: 100%;
    }

    .request-panel {
        padding: 1.1rem;
    }

    .badge-stock {
        padding: 0.28rem 0.7rem;
        font-size: 0.8rem;
    }

    .footer .foot-bottom {
        font-size: 0.8rem;
    }
}