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

:root {
    --dnv-wine: #6e2f1a;
    --dnv-amber: #b0662c;
    --dnv-sea: #2d5f73;
    --dnv-text: #221810;
    --dnv-soft: #675a4f;
    --dnv-rule: #e8d8c6;
    --dnv-sand: #fbf5ec;
    --dnv-card: #ffffff;
    --dnv-deep: #28160b;
    --dnv-sans: "Trebuchet MS", "Segoe UI", Tahoma, sans-serif;
    --dnv-serif: Georgia, "Palatino Linotype", "Book Antiqua", serif;
    --dnv-rad-s: 8px;
    --dnv-rad-m: 16px;
    --dnv-rad-l: 20px;
    --dnv-lift-1: 0 5px 14px rgba(40, 22, 11, .07);
    --dnv-lift-2: 0 12px 30px rgba(40, 22, 11, .12);
}

html { scroll-behavior: smooth; }

body {
    font-family: var(--dnv-serif);
    background:
        radial-gradient(circle at 84% 4%, rgba(45, 95, 115, .1), transparent 40%),
        linear-gradient(180deg, #fffbf5 0%, #fbf5ec 52%, #f2e6d6 100%);
    color: var(--dnv-text);
    line-height: 1.72;
    font-size: 16px;
}

a {
    color: var(--dnv-sea);
    text-decoration: underline;
    text-decoration-color: rgba(45, 95, 115, .35);
    text-underline-offset: 3px;
    transition: color .2s ease;
}
a:hover { color: var(--dnv-wine); }

/* ---------- верхня смуга ---------- */
.dnv-topline {
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 14px 20px;
    background: rgba(255, 251, 245, .94);
    backdrop-filter: blur(10px);
    border-bottom: 2px solid var(--dnv-rule);
    box-shadow: var(--dnv-lift-1);
    text-align: center;
}
.dnv-wordmark {
    font-family: var(--dnv-sans);
    font-size: 19px;
    font-weight: 700;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--dnv-wine);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}
.dnv-wordmark::before {
    content: "";
    width: 11px;
    height: 11px;
    border-radius: 50%;
    border: 3px solid var(--dnv-sea);
}
.dnv-wordmark:hover { color: var(--dnv-wine); }

/* ---------- банер документа ---------- */
.dnv-banner {
    max-width: 860px;
    margin: 0 auto;
    padding: 50px 20px 26px;
    text-align: center;
}
.dnv-banner-tag {
    display: inline-block;
    margin-bottom: 14px;
    padding: 4px 14px;
    border-radius: 999px;
    background: rgba(45, 95, 115, .1);
    font-family: var(--dnv-sans);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--dnv-sea);
}
.dnv-banner-title {
    font-size: clamp(28px, 4.2vw, 44px);
    line-height: 1.18;
    font-weight: 400;
    color: var(--dnv-wine);
    margin-bottom: 14px;
}
.dnv-banner-intro {
    max-width: 680px;
    margin: 0 auto;
    color: var(--dnv-soft);
    font-size: 17px;
}
.dnv-banner-meta {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px 22px;
    margin-top: 18px;
    font-family: var(--dnv-sans);
    font-size: 13px;
    color: var(--dnv-soft);
}
.dnv-banner-meta b { color: var(--dnv-wine); }

/* ---------- горизонтальна навігація по розділах ---------- */
.dnv-jump {
    max-width: 860px;
    margin: 0 auto 30px;
    padding: 0 20px;
}
.dnv-jump-list {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
}
.dnv-jump-list a {
    display: inline-block;
    padding: 6px 13px;
    border: 1px solid var(--dnv-rule);
    border-radius: 999px;
    background: var(--dnv-card);
    font-family: var(--dnv-sans);
    font-size: 13px;
    line-height: 1.4;
    color: var(--dnv-soft);
    text-decoration: none;
    transition: border-color .2s ease, color .2s ease;
}
.dnv-jump-list a:hover { border-color: var(--dnv-amber); color: var(--dnv-wine); }

/* ---------- основна колонка ---------- */
.dnv-paper {
    max-width: 860px;
    margin: 0 auto;
    padding: 0 20px 70px;
    counter-reset: dnvpart;
}

.dnv-summary {
    display: grid;
    grid-template-columns: 44px 1fr;
    gap: 16px;
    align-items: start;
    background: var(--dnv-card);
    border: 1px solid var(--dnv-rule);
    border-radius: var(--dnv-rad-m);
    padding: 20px 22px;
    margin-bottom: 22px;
    box-shadow: var(--dnv-lift-1);
}
.dnv-summary-icon {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    background: var(--dnv-sea);
    color: #ffffff;
    font-family: var(--dnv-sans);
    font-weight: 700;
    font-size: 20px;
}
.dnv-summary p { color: var(--dnv-text); margin-bottom: 8px; }
.dnv-summary p:last-child { margin-bottom: 0; }

.dnv-part {
    counter-increment: dnvpart;
    background: var(--dnv-card);
    border: 1px solid var(--dnv-rule);
    border-radius: var(--dnv-rad-m);
    padding: 24px 24px 22px;
    margin-bottom: 16px;
    box-shadow: var(--dnv-lift-1);
    scroll-margin-top: 90px;
}
.dnv-part-head {
    display: flex;
    align-items: baseline;
    gap: 12px;
    font-size: clamp(20px, 2.5vw, 25px);
    line-height: 1.28;
    font-weight: 400;
    color: var(--dnv-wine);
    margin-bottom: 12px;
    padding-bottom: 10px;
    border-bottom: 1px dashed var(--dnv-rule);
}
.dnv-part-head::before {
    content: "§ " counter(dnvpart);
    flex: 0 0 auto;
    font-family: var(--dnv-sans);
    font-size: 14px;
    font-weight: 700;
    color: var(--dnv-amber);
}
.dnv-part-sub {
    font-family: var(--dnv-sans);
    font-size: 15.5px;
    font-weight: 700;
    color: var(--dnv-text);
    margin: 18px 0 8px;
}
.dnv-paper p { color: var(--dnv-soft); margin-bottom: 12px; }
.dnv-paper p:last-child { margin-bottom: 0; }
.dnv-paper ul,
.dnv-paper ol {
    padding-left: 22px;
    margin: 0 0 14px;
    color: var(--dnv-soft);
}
.dnv-paper li { margin-bottom: 6px; }
.dnv-paper li::marker { color: var(--dnv-amber); }
.dnv-paper strong { color: var(--dnv-text); }

/* ---------- виділений абзац ---------- */
.dnv-flag {
    margin: 16px 0;
    padding: 15px 18px;
    border: 1px solid rgba(45, 95, 115, .25);
    background: rgba(45, 95, 115, .06);
    border-radius: var(--dnv-rad-s);
}
.dnv-flag p { color: var(--dnv-text); margin: 0; font-size: 15px; }

/* ---------- пари «питання — відповідь» ---------- */
.dnv-pairs {
    margin: 14px 0;
    border-top: 1px solid var(--dnv-rule);
}
.dnv-pairs dt {
    font-family: var(--dnv-sans);
    font-size: 14.5px;
    font-weight: 700;
    color: var(--dnv-wine);
    padding-top: 12px;
}
.dnv-pairs dd {
    color: var(--dnv-soft);
    font-size: 15px;
    padding: 2px 0 12px;
    border-bottom: 1px solid var(--dnv-rule);
}

/* ---------- таблиця ---------- */
.dnv-sheet {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    margin: 16px 0 18px;
    border: 1px solid var(--dnv-rule);
    border-radius: var(--dnv-rad-s);
    overflow: hidden;
    font-size: 15px;
}
.dnv-sheet th {
    background: var(--dnv-wine);
    color: #ffffff;
    text-align: left;
    padding: 11px 15px;
    font-family: var(--dnv-sans);
    font-size: 13px;
    letter-spacing: .05em;
    font-weight: 700;
}
.dnv-sheet td {
    padding: 11px 15px;
    border-top: 1px solid var(--dnv-rule);
    color: var(--dnv-soft);
    vertical-align: top;
}
.dnv-sheet tr:nth-child(even) td { background: #fffaf2; }

/* ---------- картки ---------- */
.dnv-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 12px;
    margin: 16px 0;
}
.dnv-cardlet {
    background: #fffaf2;
    border: 1px solid var(--dnv-rule);
    border-top: 3px solid var(--dnv-amber);
    border-radius: var(--dnv-rad-s);
    padding: 15px 16px 14px;
}
.dnv-cardlet-name {
    font-family: var(--dnv-sans);
    font-size: 14px;
    font-weight: 700;
    color: var(--dnv-wine);
    margin-bottom: 5px;
}
.dnv-cardlet-text {
    font-size: 14.5px;
    line-height: 1.62;
    color: var(--dnv-soft);
}

/* ---------- таймлайн кроків ---------- */
.dnv-trail {
    list-style: none;
    margin: 16px 0;
    padding: 0 0 0 26px !important;
    border-left: 2px solid var(--dnv-rule);
    counter-reset: dnvtrail;
}
.dnv-trail li {
    position: relative;
    counter-increment: dnvtrail;
    margin-bottom: 16px !important;
}
.dnv-trail li::before {
    content: counter(dnvtrail);
    position: absolute;
    left: -41px;
    top: 0;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    background: var(--dnv-sea);
    color: #ffffff;
    font-family: var(--dnv-sans);
    font-size: 13px;
    font-weight: 700;
}
.dnv-trail-name {
    display: block;
    font-family: var(--dnv-sans);
    font-size: 15px;
    font-weight: 700;
    color: var(--dnv-text);
}

/* ---------- підсумок внизу ---------- */
.dnv-closing {
    margin-top: 22px;
    padding: 18px 22px;
    border-radius: var(--dnv-rad-m);
    background: var(--dnv-deep);
    color: #e4d4c1;
    font-family: var(--dnv-sans);
    font-size: 14px;
    line-height: 1.7;
}
.dnv-closing a { color: #f1a872; }

/* ---------- футер ---------- */
.dnv-bottom {
    background: linear-gradient(180deg, #f2e6d6 0%, #e8d8c6 100%);
    border-top: 3px solid var(--dnv-sea);
    padding: 28px 20px 24px;
    font-family: var(--dnv-sans);
    text-align: center;
    color: var(--dnv-soft);
}
.dnv-bottom-box { max-width: 880px; margin: 0 auto; }
.dnv-bottom-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 6px 0;
    margin-bottom: 13px;
}
.dnv-bottom-links a {
    position: relative;
    padding: 0 15px;
    font-size: 12.5px;
    color: var(--dnv-wine);
    text-decoration: none;
}
.dnv-bottom-links a:hover { color: var(--dnv-sea); text-decoration: underline; }
.dnv-bottom-links a + a::before {
    content: "";
    position: absolute;
    left: -2px;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: #bda488;
}
.dnv-bottom-rights { font-size: 12px; color: #786856; }
.dnv-bottom-caution {
    max-width: 540px;
    margin: 10px auto 0;
    font-size: 11px;
    line-height: 1.65;
    color: #998670;
}

/* ---------- адаптив ---------- */
@media (max-width: 720px) {
    .dnv-banner { padding: 36px 18px 20px; }
    .dnv-jump-list { justify-content: flex-start; }
    .dnv-part { padding: 20px 18px 18px; }
    .dnv-summary { grid-template-columns: 1fr; }
}
@media (max-width: 520px) {
    .dnv-sheet { font-size: 14px; }
    .dnv-sheet th, .dnv-sheet td { padding: 9px 11px; }
}