:root {
    --vt-ink: #17202a;
    --vt-muted: #607080;
    --vt-line: #dde4ea;
    --vt-paper: #ffffff;
    --vt-soft: #f4f7f8;
    --vt-steel: #34495e;
    --vt-green: #0f766e;
    --vt-yellow: #f2b705;
    --vt-red: #b42318;
}

.vattu-theme {
    background: var(--vt-soft);
    color: var(--vt-ink);
    font-family: "Inter", sans-serif;
}

.vattu-theme button,
.vattu-theme input,
.vattu-theme optgroup,
.vattu-theme select,
.vattu-theme textarea {
    font-family: "Inter", sans-serif;
}

.vattu-theme h1,
.vattu-theme h2,
.vattu-theme h3,
.vattu-theme h4,
.vattu-theme h5,
.vattu-theme h6 {
    font-family: "Inter", sans-serif;
    letter-spacing: 0;
}

.vt-container {
    width: min(1180px, calc(100% - 32px));
    margin: 0 auto;
}

.vt-site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255, 255, 255, .96);
    border-bottom: 1px solid var(--vt-line);
    backdrop-filter: blur(14px);
}

.vt-header-inner {
    min-height: 74px;
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    gap: 22px;
    align-items: center;
}

.vt-logo {
    color: var(--vt-ink);
    font-size: 1.18rem;
    font-weight: 900;
    text-decoration: none;
    white-space: nowrap;
}

.vt-logo span {
    display: inline-flex;
    align-items: center;
    min-height: 40px;
}

.vt-main-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
}

.vt-main-nav a,
.vt-nav-trigger {
    color: var(--vt-ink);
    display: inline-flex;
    align-items: center;
    min-height: 40px;
    padding: 0 10px;
    border-radius: 6px;
    font-size: .94rem;
    font-weight: 800;
    text-decoration: none;
    white-space: nowrap;
}

.vt-main-nav a:hover,
.vt-nav-dropdown:hover .vt-nav-trigger {
    background: #edf4f2;
    color: var(--vt-green);
}

.vt-nav-dropdown {
    position: relative;
}

.vt-nav-trigger::after {
    content: "";
    width: 0;
    height: 0;
    margin-left: 7px;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 5px solid currentColor;
}

.vt-nav-menu {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    width: 230px;
    display: none;
    padding: 8px;
    background: var(--vt-paper);
    border: 1px solid var(--vt-line);
    border-radius: 8px;
    box-shadow: 0 18px 40px rgba(23, 32, 42, .12);
}

.vt-nav-dropdown:hover .vt-nav-menu,
.vt-nav-dropdown:focus-within .vt-nav-menu {
    display: grid;
    gap: 2px;
}

.vt-nav-menu a {
    justify-content: flex-start;
    min-height: 38px;
}

.vt-header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.vt-search {
    display: flex;
    align-items: center;
    border: 1px solid var(--vt-line);
    border-radius: 6px;
    background: var(--vt-paper);
    overflow: hidden;
}

.vt-search input {
    width: 180px;
    min-height: 38px;
    border: 0;
    padding: 0 10px;
    color: var(--vt-ink);
    outline: none;
}

.vt-search button,
.vt-quote-btn {
    min-height: 38px;
    border: 0;
    padding: 0 12px;
    background: var(--vt-green);
    color: #fff;
    font-weight: 800;
    text-decoration: none;
    cursor: pointer;
}

.vt-quote-btn {
    display: inline-flex;
    align-items: center;
    border-radius: 6px;
}

.vt-hero {
    background:
        linear-gradient(90deg, rgba(23, 32, 42, .92), rgba(23, 32, 42, .55)),
        var(--vt-hero-image, url("/media/portfolio/3.jpg"));
    background-size: cover;
    background-position: center;
    color: #fff;
    min-height: 520px;
    display: flex;
    align-items: center;
}

.vt-hero-inner {
    width: min(760px, 100%);
    padding: 72px 0 96px;
}

.vt-kicker {
    font-size: .82rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0;
    color: var(--vt-yellow);
    margin: 0 0 12px;
}

.vt-hero h1 {
    font-size: clamp(2.2rem, 5vw, 4.8rem);
    line-height: 1;
    margin: 0;
    letter-spacing: 0;
}

.vt-lead {
    color: rgba(255, 255, 255, .86);
    font-size: 1.08rem;
    line-height: 1.7;
    max-width: 650px;
    margin: 20px 0 0;
}

.vt-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 28px;
}

.vt-btn,
.vt-btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0 18px;
    border-radius: 6px;
    font-weight: 800;
    text-decoration: none;
}

.vt-btn {
    background: var(--vt-yellow);
    color: #1d2933;
}

.vt-btn-outline {
    border: 1px solid rgba(255, 255, 255, .55);
    color: #fff;
}

.vt-strip {
    background: var(--vt-paper);
    border-bottom: 1px solid var(--vt-line);
}

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

.vt-strip-item {
    padding: 18px 20px;
    border-left: 1px solid var(--vt-line);
}

.vt-strip-item:last-child {
    border-right: 1px solid var(--vt-line);
}

.vt-strip-item strong {
    display: block;
    font-size: 1.1rem;
}

.vt-strip-item span {
    display: block;
    color: var(--vt-muted);
    margin-top: 4px;
}

.vt-section {
    padding: 64px 0;
}

.vt-section-soft {
    background: #e9eef1;
}

.vt-section-head {
    display: flex;
    justify-content: space-between;
    align-items: end;
    gap: 24px;
    margin-bottom: 24px;
}

.vt-section-head h2,
.vt-page-title {
    margin: 0;
    font-size: clamp(1.8rem, 3vw, 3rem);
    letter-spacing: 0;
}

.vt-section-head p,
.vt-page-intro {
    color: var(--vt-muted);
    line-height: 1.65;
    max-width: 680px;
    margin: 8px 0 0;
}

.vt-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.vt-grid-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.vt-product-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
}

.vt-logo-row {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 14px;
}

.vt-logo-row .brand-card,
.vt-product-grid .product-card {
    height: 100%;
}

.vt-card {
    background: var(--vt-paper);
    border: 1px solid var(--vt-line);
    border-radius: 8px;
    overflow: hidden;
    text-decoration: none;
    color: inherit;
}

.vt-card-media {
    aspect-ratio: 4 / 3;
    background: #d8e1e8;
    overflow: hidden;
}

.vt-card-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.vt-card-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 18px;
    color: var(--vt-steel);
    font-weight: 800;
    text-align: center;
}

.vt-card-body {
    padding: 18px;
}

.vt-card h3 {
    margin: 0;
    font-size: 1.08rem;
}

.vt-card p {
    color: var(--vt-muted);
    line-height: 1.55;
    margin: 8px 0 0;
}

.vt-product-page,
.vt-page {
    padding: 48px 0 72px;
}

.vt-breadcrumb {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
    color: var(--vt-muted);
    font-size: .92rem;
    margin-bottom: 24px;
}

.vt-breadcrumb a {
    color: var(--vt-green);
    text-decoration: none;
    font-weight: 700;
}

.vt-detail-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 420px;
    gap: 32px;
    align-items: start;
}

.vt-gallery {
    background: var(--vt-paper);
    border: 1px solid var(--vt-line);
    border-radius: 8px;
    overflow: hidden;
}

.vt-gallery img,
.vt-gallery-placeholder {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #d8e1e8;
    color: var(--vt-steel);
    font-weight: 800;
}

.vt-gallery-thumbs {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 10px;
    padding: 12px;
    border-top: 1px solid var(--vt-line);
}

.vt-gallery-thumbs img {
    aspect-ratio: 1;
    border-radius: 6px;
    object-fit: cover;
}

.vt-logo-panel {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 320px;
    padding: 32px;
}

.vt-logo-panel img {
    max-width: 72%;
    max-height: 220px;
    object-fit: contain;
    aspect-ratio: auto;
    background: transparent;
}

.vt-buy-panel {
    background: var(--vt-paper);
    border: 1px solid var(--vt-line);
    border-radius: 8px;
    padding: 24px;
}

.vt-buy-panel h1 {
    margin: 0;
    font-size: clamp(1.8rem, 3vw, 2.6rem);
    line-height: 1.1;
}

.vt-code {
    color: var(--vt-green);
    font-weight: 800;
    margin-top: 10px;
}

.vt-specs {
    width: 100%;
    border-collapse: collapse;
    margin: 22px 0;
}

.vt-specs td {
    padding: 12px 0;
    border-bottom: 1px solid var(--vt-line);
    vertical-align: top;
}

.vt-specs td:first-child {
    color: var(--vt-muted);
    width: 42%;
}

.vt-note {
    background: #fff8df;
    border: 1px solid #f4d56b;
    border-radius: 8px;
    padding: 14px;
    color: #6a4b00;
    line-height: 1.55;
}

.vt-link {
    display: inline-block;
    margin-top: 14px;
    color: var(--vt-green);
    font-weight: 800;
    text-decoration: none;
}

.vt-article {
    background: var(--vt-paper);
    border: 1px solid var(--vt-line);
    border-radius: 8px;
    padding: clamp(24px, 5vw, 56px);
}

.vt-article-body {
    color: #2f3b45;
    line-height: 1.75;
}

.vt-article-media {
    margin: 28px 0;
}

.vt-tags,
.vt-empty {
    color: var(--vt-muted);
    line-height: 1.6;
}

.vt-tags {
    margin-top: 28px;
    font-weight: 800;
}

.vt-cta-band {
    background: var(--vt-steel);
    color: #fff;
    padding: 44px 0;
}

.vt-cta-row {
    display: flex;
    justify-content: space-between;
    gap: 24px;
    align-items: center;
}

.vt-cta-row h2 {
    margin: 0;
}

.vt-cta-row p {
    color: rgba(255, 255, 255, .76);
    margin: 8px 0 0;
}

.vt-site-footer {
    background: #1f2f3d;
    color: #fff;
    padding: 48px 0 20px;
}

.vt-footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
    gap: 28px;
}

.vt-site-footer h3,
.vt-site-footer h4 {
    margin: 0 0 12px;
}

.vt-site-footer p,
.vt-site-footer li {
    color: rgba(255, 255, 255, .75);
    line-height: 1.6;
}

.vt-site-footer ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.vt-site-footer a {
    color: #fff;
    text-decoration: none;
}

.vt-footer-bottom {
    margin-top: 32px;
    padding-top: 18px;
    border-top: 1px solid rgba(255, 255, 255, .14);
    color: rgba(255, 255, 255, .65);
}

@media (max-width: 900px) {
    .vt-header-inner {
        grid-template-columns: 1fr;
        gap: 10px;
        padding: 12px 0;
    }

    .vt-main-nav {
        justify-content: flex-start;
        overflow-x: auto;
        padding-bottom: 4px;
    }

    .vt-nav-menu {
        position: static;
        width: 100%;
        margin-top: 4px;
        box-shadow: none;
    }

    .vt-header-actions {
        align-items: stretch;
        flex-direction: column;
    }

    .vt-search input {
        width: 100%;
    }

    .vt-strip-grid,
    .vt-grid,
    .vt-product-grid,
    .vt-logo-row,
    .vt-detail-grid,
    .vt-footer-grid {
        grid-template-columns: 1fr;
    }

    .vt-section-head,
    .vt-cta-row {
        align-items: stretch;
        flex-direction: column;
    }

    .vt-hero {
        min-height: 460px;
    }
}