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

:root {
    --nvr-primary: #1c3a6e;
    --nvr-secondary: #2f5aa0;
    --nvr-accent: #f2a516;
    --nvr-ink: #131a2b;
    --nvr-surface: #f4f6fb;
    --nvr-paper: #ffffff;
    --nvr-muted: #56607a;
    --nvr-line: #d9e1f0;
    --nvr-ui: "Trebuchet MS", "Segoe UI", Verdana, sans-serif;
    --nvr-text: -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
    --nvr-r1: 10px;
    --nvr-r2: 16px;
    --nvr-r3: 26px;
    --nvr-sh1: 0 6px 18px rgba(19, 26, 43, .07);
    --nvr-sh2: 0 16px 38px rgba(19, 26, 43, .12);
    --nvr-sh3: 0 26px 60px rgba(28, 58, 110, .22);
}

html { scroll-behavior: smooth; }

body {
    font-family: var(--nvr-text);
    background:
        radial-gradient(ellipse at 50% -10%, rgba(47, 90, 160, .16), transparent 55%),
        linear-gradient(180deg, #ffffff 0%, var(--nvr-surface) 62%, #e7edf8 100%);
    color: var(--nvr-ink);
    line-height: 1.7;
    font-size: 16px;
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
}

a {
    color: var(--nvr-secondary);
    text-decoration: none;
    transition: color .2s ease;
}
a:hover { color: var(--nvr-primary); }

/* ---------- шапка ---------- */

.nvr_page_head {
    padding: 16px 20px;
    background: linear-gradient(90deg, var(--nvr-primary), var(--nvr-secondary));
    border-bottom: 3px solid var(--nvr-accent);
}
.nvr_page_head_inner {
    max-width: 1080px;
    margin: 0 auto;
    text-align: center;
}
.nvr_page_head_logo {
    display: inline-block;
    font-family: var(--nvr-ui);
    font-size: 23px;
    font-weight: 700;
    letter-spacing: .24em;
    text-transform: uppercase;
    color: #ffffff;
}
.nvr_page_head_logo:hover { color: var(--nvr-accent); }

/* ---------- hero ---------- */

.nvr_doc_hero {
    padding: 56px 20px 26px;
    text-align: center;
}
.nvr_doc_hero_tag {
    display: inline-block;
    padding: 6px 16px;
    margin-bottom: 16px;
    border-radius: 999px;
    background: rgba(242, 165, 22, .16);
    border: 1px solid rgba(242, 165, 22, .48);
    font-family: var(--nvr-ui);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .16em;
    text-transform: uppercase;
    color: #8a5c00;
}
.nvr_doc_hero_title {
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 12px;
    text-align: center;
    font-family: var(--nvr-ui);
    font-size: clamp(26px, 4.2vw, 46px);
    line-height: 1.22;
    color: var(--nvr-primary);
}
.nvr_doc_hero_lead {
    max-width: 640px;
    margin: 0 auto 16px;
    color: var(--nvr-muted);
    font-size: 16px;
}
.nvr_doc_hero_date {
    display: inline-block;
    padding: 7px 18px;
    border-radius: var(--nvr-r1);
    background: var(--nvr-paper);
    border: 1px dashed var(--nvr-line);
    font-family: var(--nvr-ui);
    font-size: 13px;
    color: var(--nvr-ink);
    box-shadow: var(--nvr-sh1);
}

/* ---------- сітка плиток ---------- */

.nvr_doc_shell {
    max-width: 1080px;
    margin: 0 auto;
    padding: 14px 20px 76px;
}

.nvr_tile_grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    align-items: stretch;
}

.nvr_tile {
    background: var(--nvr-paper);
    border: 1px solid var(--nvr-line);
    border-top: 5px solid var(--nvr-secondary);
    border-radius: var(--nvr-r2);
    box-shadow: var(--nvr-sh1);
    padding: 24px 22px 22px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.nvr_tile_full {
    grid-column: 1 / -1;
}
.nvr_tile_accent {
    border-top-color: var(--nvr-accent);
    background: linear-gradient(180deg, rgba(242, 165, 22, .10), var(--nvr-paper) 46%);
}
.nvr_tile_dark {
    grid-column: 1 / -1;
    background: linear-gradient(135deg, var(--nvr-primary), var(--nvr-secondary));
    border-color: transparent;
    border-top-color: var(--nvr-accent);
    color: #e6ecf8;
}
.nvr_tile_dark .nvr_tile_title { color: #ffffff; }
.nvr_tile_dark .nvr_tile_body,
.nvr_tile_dark .nvr_tile_list { color: #d3ddf1; }
.nvr_tile_dark strong { color: var(--nvr-accent); }

.nvr_tile_mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: var(--nvr-r1);
    background: rgba(47, 90, 160, .12);
    color: var(--nvr-primary);
    font-family: var(--nvr-ui);
    font-size: 16px;
    font-weight: 700;
}
.nvr_tile_dark .nvr_tile_mark {
    background: rgba(255, 255, 255, .16);
    color: #ffffff;
}

.nvr_tile_title {
    font-family: var(--nvr-ui);
    font-size: 19px;
    line-height: 1.3;
    font-weight: 700;
    color: var(--nvr-primary);
}
.nvr_tile_body {
    color: var(--nvr-muted);
    font-size: 15px;
}
.nvr_tile_body + .nvr_tile_body { margin-top: 4px; }

.nvr_tile_list {
    padding-left: 20px;
    color: var(--nvr-muted);
    font-size: 15px;
}
.nvr_tile_list li { margin-bottom: 6px; }
.nvr_tile_list li:last-child { margin-bottom: 0; }

.nvr_tile_pairs {
    display: grid;
    gap: 10px;
}
.nvr_pair {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2px;
    padding: 12px 14px;
    border-radius: var(--nvr-r1);
    background: var(--nvr-surface);
    border: 1px solid var(--nvr-line);
}
.nvr_pair_key {
    font-family: var(--nvr-ui);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: .04em;
    text-transform: uppercase;
    color: var(--nvr-secondary);
}
.nvr_pair_val {
    font-size: 15px;
    color: var(--nvr-ink);
    line-height: 1.55;
}

.nvr_tile_warn {
    margin-top: 6px;
    padding: 14px 16px;
    border-radius: var(--nvr-r1);
    background: rgba(242, 165, 22, .12);
    border-left: 4px solid var(--nvr-accent);
    color: var(--nvr-ink);
    font-size: 15px;
    line-height: 1.62;
}

.nvr_tile strong { color: var(--nvr-ink); }

@media (max-width: 640px) {
    .nvr_tile { padding: 20px 17px; }
    .nvr_doc_hero { padding-top: 40px; }
}

/* ---------- футер ---------- */

.nvr_page_foot {
    margin-top: auto;
    flex-shrink: 0;
    background: var(--nvr-ink);
    color: #97a2ba;
    padding: 24px 20px 20px;
    font-family: var(--nvr-ui);
    text-align: center;
    border-top: 3px solid var(--nvr-secondary);
}
.nvr_page_foot_inner {
    max-width: 880px;
    margin: 0 auto;
}
.nvr_page_foot_links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px 22px;
    margin-bottom: 12px;
}
.nvr_page_foot_links a {
    color: #cbd5e8;
    font-size: 12px;
    border-bottom: 1px dotted rgba(203, 213, 232, .4);
}
.nvr_page_foot_links a:hover { color: var(--nvr-accent); }
.nvr_page_foot_copy {
    font-size: 12px;
    color: #8b96ae;
}