:root {
    --rsc-navy: #0b1736;
    --rsc-navy-light: #132b5c;
    --rsc-teal: #14c8c8;
    --rsc-teal-dark: #079a9e;
    --rsc-sky: #eaf8fb;
    --rsc-canvas: #f5f8fc;
    --rsc-ink: #18243a;
    --rsc-muted: #63708a;
    --rsc-border: #dce5f0;
}

html { scroll-behavior: smooth; }

body.public-site {
    background: var(--rsc-canvas);
    color: var(--rsc-ink);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

a { color: var(--rsc-navy-light); }
a:hover { color: var(--rsc-teal-dark); }

.site-header {
    background: rgba(11, 23, 54, .97);
    box-shadow: 0 4px 24px rgba(7, 19, 47, .18);
}

.site-header .navbar { min-height: 72px; }
.site-header .navbar-brand { color: #fff; font-size: 1rem; font-weight: 800; letter-spacing: .04em; }
.brand-mark {
    display: inline-grid;
    width: 32px;
    height: 32px;
    place-items: center;
    margin-right: .55rem;
    border: 1px solid rgba(20, 200, 200, .55);
    border-radius: 9px;
    background: rgba(20, 200, 200, .12);
    color: var(--rsc-teal);
    font-size: .9rem;
}
.site-header .nav-link { color: rgba(255,255,255,.78); font-size: .92rem; font-weight: 600; }
.site-header .nav-link:hover, .site-header .nav-link:focus { color: var(--rsc-teal); }
.site-header .dropdown-menu { border: 1px solid var(--rsc-border); border-radius: .75rem; box-shadow: 0 16px 36px rgba(8, 23, 54, .16); }
.site-header .dropdown-item { font-size: .9rem; }
.site-header .dropdown-item:active, .site-header .dropdown-item:hover { background: var(--rsc-sky); color: var(--rsc-navy); }

.public-main { min-height: 58vh; padding-top: 2rem; padding-bottom: 3.5rem; }
.page-title { font-size: clamp(1.8rem, 4vw, 2.7rem); font-weight: 800; letter-spacing: -.04em; }
.page-intro { color: var(--rsc-muted); font-size: 1.06rem; }

.rsc-hero {
    position: relative;
    overflow: hidden;
    padding: clamp(2rem, 5vw, 4.5rem);
    border-radius: 1.4rem;
    background: linear-gradient(125deg, var(--rsc-navy) 0%, #10275a 63%, #0f7e91 145%);
    box-shadow: 0 20px 46px rgba(10, 29, 72, .24);
    color: #fff;
}
.rsc-hero::after { content: "</>"; position: absolute; right: 5%; bottom: -21%; color: rgba(20, 200, 200, .13); font-size: clamp(8rem, 20vw, 17rem); font-weight: 800; line-height: 1; }
.rsc-hero > * { position: relative; z-index: 1; }
.rsc-eyebrow { color: var(--rsc-teal); font-size: .78rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.rsc-hero h1 { max-width: 720px; margin: .65rem 0 1rem; font-size: clamp(2rem, 5vw, 3.65rem); font-weight: 800; letter-spacing: -.055em; line-height: 1.08; }
.rsc-hero p { max-width: 620px; color: rgba(255,255,255,.78); font-size: 1.08rem; }
.rsc-search { max-width: 610px; margin-top: 1.5rem; padding: .42rem; border: 1px solid rgba(255,255,255,.2); border-radius: .85rem; background: rgba(255,255,255,.12); backdrop-filter: blur(8px); }
.rsc-search .form-control { min-height: 48px; border: 0; box-shadow: none; }
.btn-rsc { border: 0; background: var(--rsc-teal); color: var(--rsc-navy); font-weight: 800; }
.btn-rsc:hover, .btn-rsc:focus { background: #58e1df; color: var(--rsc-navy); }

.section-heading { margin: 2.5rem 0 1.15rem; font-size: 1.34rem; font-weight: 800; letter-spacing: -.02em; }
.product-card { height: 100%; overflow: hidden; border: 1px solid var(--rsc-border); border-radius: 1rem; background: #fff; box-shadow: 0 8px 22px rgba(15, 40, 82, .06); transition: transform .2s ease, box-shadow .2s ease; }
.product-card:hover { box-shadow: 0 15px 34px rgba(15, 40, 82, .14); transform: translateY(-3px); }
.product-card-image { display: block; aspect-ratio: 16 / 10; overflow: hidden; background: var(--rsc-sky); }
.product-card-image img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s ease; }
.product-card:hover .product-card-image img { transform: scale(1.035); }
.product-card .card-body { padding: 1.2rem; }
.product-card .card-title { font-size: 1.06rem; font-weight: 750; line-height: 1.35; }
.product-card .card-title a { color: var(--rsc-ink); }
.product-card .card-text { color: var(--rsc-muted); font-size: .92rem; }
.rsc-tag { margin: 0 .22rem .28rem 0; border-color: #b8dce5; color: var(--rsc-teal-dark); font-size: .72rem; font-weight: 700; }
.rsc-tag:hover { background: var(--rsc-sky); border-color: #8cd5d5; color: var(--rsc-navy); }
.rsc-price { color: var(--rsc-navy); font-size: 1rem; font-weight: 800; }

.content-panel, .sidebar-panel { border: 1px solid var(--rsc-border); border-radius: 1rem; background: #fff; box-shadow: 0 8px 22px rgba(15, 40, 82, .05); }
.sidebar-panel { padding: 1.2rem; }
.sidebar-panel h2, .sidebar-panel h3 { margin-bottom: 1rem; font-size: .82rem; font-weight: 800; letter-spacing: .09em; color: var(--rsc-muted); text-transform: uppercase; }
.popular-item { display: grid; grid-template-columns: 64px 1fr; gap: .75rem; padding: .72rem 0; border-bottom: 1px solid var(--rsc-border); }
.popular-item:last-child { border: 0; padding-bottom: 0; }
.popular-item img { width: 64px; height: 52px; border-radius: .5rem; object-fit: cover; }
.popular-item a { color: var(--rsc-ink); font-size: .88rem; font-weight: 700; line-height: 1.35; }

.product-article { border: 1px solid var(--rsc-border); border-radius: 1rem; background: #fff; padding: clamp(1.1rem, 3vw, 2rem); box-shadow: 0 8px 22px rgba(15, 40, 82, .05); }
.product-article .p-name { font-size: clamp(1.75rem, 4vw, 2.45rem); font-weight: 800; letter-spacing: -.04em; }
.product-article .e-content { color: #30405b; line-height: 1.75; }
.product-article .e-content h2 { margin-top: 2rem; color: var(--rsc-navy); font-weight: 800; }
.product-article .e-content .alert, .product-article .e-content .aler { border-radius: .85rem; }
.product-article .table { --bs-table-striped-bg: #f6f9fc; }
.product-article .table td { padding: .72rem; }
.product-article .markdown-table { margin: 1.35rem 0; border: 1px solid var(--rsc-border); border-radius: .75rem; background: #fff; }
.product-article .markdown-table .table { margin-bottom: 0; min-width: 560px; }
.product-article .markdown-table .table th { border-bottom-width: 1px; background: var(--rsc-navy); color: #fff; font-size: .84rem; }
.product-article .markdown-table .table th, .product-article .markdown-table .table td { padding: .72rem .85rem; vertical-align: middle; }
.code-block { margin: 1.35rem 0; overflow: hidden; border-radius: .75rem; background: #282a35; box-shadow: 0 8px 18px rgba(11, 23, 54, .14); }
.code-block-header { display: flex; align-items: center; justify-content: space-between; min-height: 44px; padding: .5rem .65rem .5rem 1rem; border-bottom: 1px solid rgba(255,255,255,.1); color: #d7e1f4; font-size: .78rem; font-weight: 800; letter-spacing: .07em; text-transform: uppercase; }
.code-copy-button { border: 0; border-radius: .38rem; padding: .42rem .72rem; background: #04aa6d; color: #fff; font-size: .78rem; font-weight: 700; line-height: 1.2; }
.code-copy-button:hover, .code-copy-button:focus { background: #078d5e; }
.product-article .e-content .code-block pre { margin: 0; border-radius: 0; background: transparent; box-shadow: none; }
.product-article .e-content .code-block pre code.hljs, .product-article .e-content .code-block pre code { display: block; overflow-x: auto; padding: 1.15rem 1.25rem 1.3rem; background: transparent; color: #f2f5fb; font-family: Consolas, "Courier New", monospace; font-size: .9rem; line-height: 1.7; tab-size: 4; }
.code-block .hljs-attr, .code-block .hljs-attribute, .code-block .hljs-variable, .code-block .hljs-title { color: #7dd3fc; }
.code-block .hljs-string, .code-block .hljs-number { color: #a7f3d0; }
.code-block .hljs-keyword, .code-block .hljs-literal { color: #c4b5fd; }
.code-block .hljs-comment { color: #94a3b8; }
.product-article .e-content :not(pre) > code { padding: .14rem .38rem; border-radius: .28rem; background: #e9f2f7; color: #0b5264; font-size: .88em; }
.tutorial-series { padding: 1.25rem 1.4rem; border: 1px solid var(--rsc-border); border-left: 4px solid var(--rsc-teal); border-radius: .75rem; background: var(--rsc-sky); }
.tutorial-series li { padding: .3rem .2rem; }
.tutorial-series li.active { font-weight: 800; color: var(--rsc-navy); }
.tutorial-pagination { display: grid; grid-template-columns: 1fr auto 1fr; gap: 1rem; align-items: center; padding-top: 1.25rem; border-top: 1px solid var(--rsc-border); }
.tutorial-pagination small { display: block; color: var(--rsc-muted); font-size: .72rem; text-transform: uppercase; }
.tutorial-pagination a { display: block; font-weight: 700; text-decoration: none; }
.tutorial-pagination .tutorial-home { padding: .45rem .75rem; border: 1px solid var(--rsc-border); border-radius: .45rem; background: #fff; font-size: .85rem; }
@media (max-width: 575.98px) { .tutorial-pagination { grid-template-columns: 1fr 1fr; } .tutorial-pagination .tutorial-home { grid-column: 1 / -1; grid-row: 1; text-align: center; } }
.related-products .product-card { margin-bottom: 1rem; }

.site-social { padding: 1.5rem 0; background: var(--rsc-sky); }
.site-social .btn { width: 44px; height: 44px; display: inline-grid; place-items: center; border-radius: .75rem; }
.site-footer { padding: 3rem 0 2rem; background: var(--rsc-navy); color: rgba(255,255,255,.72); }
.site-footer h2 { margin-bottom: 1rem; color: #fff; font-size: 1rem; font-weight: 800; }
.site-footer a { color: rgba(255,255,255,.78); }
.site-footer a:hover { color: var(--rsc-teal); }
.site-footer .footer-note { margin-top: 2rem; padding-top: 1.3rem; border-top: 1px solid rgba(255,255,255,.12); color: rgba(255,255,255,.45); font-size: .85rem; }

#btn-back-to-top { border: 0; border-radius: .75rem; background: var(--rsc-teal); color: var(--rsc-navy); box-shadow: 0 8px 18px rgba(7, 36, 71, .2); }

@media (max-width: 991.98px) { .site-header .navbar-nav { padding: .7rem 0; } .site-header .dropdown-menu { margin-bottom: .4rem; } }
@media (max-width: 767.98px) { .public-main { padding-top: 1rem; } .rsc-hero { border-radius: 1rem; } .rsc-search .btn { width: 100%; } }