:root {
    --gs-blue: #0d2858;
    --gs-blue-2: #15386f;
    --gs-gold: #c78b3b;
    --gs-gold-dark: #a9742f;
    --gs-ink: #172033;
    --gs-muted: #687383;
    --gs-soft: #f6f8fb;
    --gs-line: #e5e9f0;
    --gs-white: #ffffff;
}

body {
    color: var(--gs-ink);
    background: var(--gs-white);
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

a {
    color: var(--gs-blue);
    text-decoration: none;
}

a:hover {
    color: var(--gs-gold-dark);
}

.brand-logo {
    width: 200px;
    height: auto;
    object-fit: contain;
}

.navbar {
    min-height: 92px;
}

.nav-link {
    color: var(--gs-ink);
    font-weight: 500;
}

.nav-link:hover {
    color: var(--gs-gold-dark);
}

.btn {
    border-radius: 8px;
    font-weight: 700;
}

.btn .bi,
.nav-link .bi,
.admin-tabs .bi,
footer .bi {
    margin-right: 6px;
}

.btn-primary {
    --bs-btn-bg: var(--gs-blue);
    --bs-btn-border-color: var(--gs-blue);
    --bs-btn-hover-bg: var(--gs-blue-2);
    --bs-btn-hover-border-color: var(--gs-blue-2);
    --bs-btn-active-bg: var(--gs-blue-2);
    --bs-btn-active-border-color: var(--gs-blue-2);
}

.btn-whatsapp {
    --bs-btn-bg: #25d366;
    --bs-btn-border-color: #25d366;
    --bs-btn-color: var(--gs-blue);
    --bs-btn-hover-bg: #1ebe5d;
    --bs-btn-hover-border-color: #1ebe5d;
    --bs-btn-hover-color: var(--gs-blue);
    --bs-btn-active-bg: #18a851;
    --bs-btn-active-border-color: #18a851;
    --bs-btn-active-color: var(--gs-blue);
    box-shadow: 0 10px 22px rgba(37, 211, 102, .22);
}

.btn-whatsapp:hover,
.btn-whatsapp:focus {
    color: var(--gs-blue);
}

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

.hero {
    padding: 86px 0 74px;
    background:
        linear-gradient(110deg, rgba(13, 40, 88, 0.05), rgba(199, 139, 59, 0.08)),
        #fff;
}

.hero h1,
.page-title h1,
.product-detail h1 {
    color: var(--gs-blue);
    font-size: clamp(2.15rem, 5vw, 4.35rem);
    line-height: 1.03;
    letter-spacing: 0;
    margin: 0 0 20px;
}

.hero-copy,
.page-title p,
.detail-summary {
    color: var(--gs-muted);
    font-size: 1.12rem;
    line-height: 1.7;
    max-width: 620px;
}

.hero-image-wrap {
    aspect-ratio: 16 / 9;
    background: #fff;
    border: 1px solid var(--gs-line);
    border-radius: 8px;
    box-shadow: 0 24px 70px rgba(13, 40, 88, 0.08);
    overflow: hidden;
}

.hero-image {
    display: block;
    height: 100%;
    object-fit: cover;
    width: 100%;
}

.section-block {
    padding: 70px 0;
}

.bg-soft {
    background: var(--gs-soft);
}

.section-heading {
    margin-bottom: 28px;
}

.section-heading h2,
.detail-panel h2,
.admin-card h2 {
    color: var(--gs-blue);
    font-size: 1.75rem;
    line-height: 1.2;
    margin: 0;
}

.section-kicker {
    color: var(--gs-gold-dark);
    display: inline-block;
    font-size: .78rem;
    font-weight: 800;
    letter-spacing: .12em;
    margin-bottom: 10px;
    text-transform: uppercase;
}

.category-card {
    align-items: flex-start;
    background: #fff;
    border: 1px solid var(--gs-line);
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    height: 100%;
    padding: 28px;
    transition: border-color .2s ease, transform .2s ease, box-shadow .2s ease;
}

.category-card:hover {
    border-color: rgba(199, 139, 59, .65);
    box-shadow: 0 18px 40px rgba(13, 40, 88, 0.08);
    transform: translateY(-2px);
}

.category-card span {
    color: var(--gs-blue);
    font-size: 1.3rem;
    font-weight: 800;
}

.category-card small {
    color: var(--gs-muted);
    line-height: 1.6;
}

.product-card {
    background: #fff;
    border: 1px solid var(--gs-line);
    border-radius: 8px;
    overflow: hidden;
    transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease;
}

.product-card:hover {
    border-color: rgba(13, 40, 88, .25);
    box-shadow: 0 18px 42px rgba(13, 40, 88, 0.08);
    transform: translateY(-2px);
}

.product-image-link {
    background: #f9fafc;
    display: block;
}

.product-image {
    aspect-ratio: 4 / 3;
    display: block;
    height: auto;
    object-fit: cover;
    width: 100%;
}

.product-card-body {
    padding: 22px;
}

.product-category {
    color: var(--gs-gold-dark);
    font-size: .74rem;
    font-weight: 800;
    letter-spacing: .1em;
    text-transform: uppercase;
}

.product-title {
    color: var(--gs-blue);
    font-size: 1.2rem;
    line-height: 1.25;
    margin: 8px 0 10px;
}

.product-summary {
    color: var(--gs-muted);
    min-height: 52px;
}

.product-price,
.detail-price {
    color: var(--gs-blue);
    font-size: 1.35rem;
    font-weight: 900;
}

.page-title {
    background: #fff;
    padding: 58px 0;
}

.empty-state {
    background: #fff;
    border: 1px solid var(--gs-line);
    border-radius: 8px;
    color: var(--gs-muted);
    padding: 36px;
    text-align: center;
}

.product-detail {
    padding: 64px 0;
}

.product-detail-image {
    background: var(--gs-soft);
    border: 1px solid var(--gs-line);
    border-radius: 8px;
    overflow: hidden;
}

.product-detail-image img {
    aspect-ratio: 4 / 3;
    display: block;
    height: auto;
    object-fit: cover;
    width: 100%;
}

.detail-panel {
    border-top: 1px solid var(--gs-line);
    margin-top: 28px;
    padding-top: 24px;
}

.detail-panel h2 {
    font-size: 1.25rem;
    margin-bottom: 14px;
}

.detail-panel p {
    color: var(--gs-muted);
    line-height: 1.75;
}

.tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag-list span {
    background: rgba(199, 139, 59, .11);
    border: 1px solid rgba(199, 139, 59, .35);
    border-radius: 999px;
    color: var(--gs-blue);
    font-size: .9rem;
    font-weight: 700;
    padding: 7px 12px;
}

.spec-list > div {
    border-top: 1px solid var(--gs-line);
    display: grid;
    gap: 12px;
    grid-template-columns: minmax(120px, 180px) 1fr;
    padding: 12px 0;
}

.spec-list dt {
    color: var(--gs-blue);
    font-weight: 800;
}

.spec-list dd {
    color: var(--gs-muted);
    margin: 0;
}

.site-footer {
    padding: 32px 0;
}

.admin-body {
    background: var(--gs-soft);
}

.admin-page {
    padding: 36px 0 70px;
}

.admin-login {
    display: grid;
    min-height: calc(100vh - 75px);
    place-items: center;
    padding: 30px 12px;
}

.admin-card {
    background: #fff;
    border: 1px solid var(--gs-line);
    border-radius: 8px;
    box-shadow: 0 20px 55px rgba(13, 40, 88, 0.06);
    padding: 24px;
}

.login-card {
    max-width: 420px;
    width: 100%;
}

.login-card h1,
.admin-title-row h1 {
    color: var(--gs-blue);
    font-size: 1.8rem;
    margin: 0 0 20px;
}

.admin-title-row {
    align-items: center;
    display: flex;
    gap: 16px;
    justify-content: space-between;
    margin: 26px 0 18px;
}

.admin-tabs {
    display: flex;
    gap: 8px;
}

.admin-tabs a {
    background: #fff;
    border: 1px solid var(--gs-line);
    border-radius: 8px;
    color: var(--gs-blue);
    font-weight: 800;
    padding: 10px 16px;
}

.admin-tabs a.active {
    background: var(--gs-blue);
    border-color: var(--gs-blue);
    color: #fff;
}

.admin-thumb {
    aspect-ratio: 1;
    border-radius: 8px;
    height: 54px;
    object-fit: cover;
    width: 54px;
}

.admin-preview {
    border: 1px solid var(--gs-line);
    border-radius: 8px;
    display: block;
    margin-top: 12px;
    max-width: 100%;
}

.form-control,
.form-select {
    border-radius: 8px;
}

.form-control:focus,
.form-select:focus {
    border-color: rgba(199, 139, 59, .7);
    box-shadow: 0 0 0 .2rem rgba(199, 139, 59, .15);
}

@media (max-width: 767.98px) {
    .hero,
    .section-block,
    .product-detail {
        padding: 44px 0;
    }

    .hero-image-wrap {
        aspect-ratio: 4 / 3;
    }

    .admin-title-row {
        align-items: stretch;
        flex-direction: column;
    }

    .spec-list > div {
        grid-template-columns: 1fr;
    }
}