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

:root {
    --nd-navy: #122a4d;
    --nd-blue: #2b5fa8;
    --nd-coral: #ff6f5e;
    --nd-ink: #101a28;
    --nd-mute: #5a6b80;
    --nd-edge: #d5e0ec;
    --nd-paper: #f7fafd;
    --nd-tint: #e9f1f8;
    --nd-panel: #ffffff;
    --nd-dark: #0a1728;
    --nd-face: "Trebuchet MS", "Segoe UI", Tahoma, sans-serif;
    --nd-body: Verdana, Geneva, "DejaVu Sans", sans-serif;
    --nd-r1: 4px;
    --nd-r2: 12px;
    --nd-r3: 18px;
    --nd-lift1: 0 6px 16px rgba(16, 26, 40, .07);
    --nd-lift2: 0 14px 34px rgba(16, 26, 40, .11);
    --nd-lift3: 0 24px 56px rgba(10, 23, 40, .18);
}

html { scroll-behavior: smooth; }

body {
    font-family: var(--nd-body);
    background:
        radial-gradient(circle at 84% -4%, rgba(43, 95, 168, .13), transparent 40%),
        linear-gradient(180deg, #f7fafd 0%, #e9f1f8 100%);
    color: var(--nd-ink);
    line-height: 1.78;
    font-size: 15px;
}

a {
    color: var(--nd-blue);
    text-decoration: none;
    transition: color .2s ease;
}
a:hover { color: var(--nd-coral); }

/* ---------- шапка ---------- */
.siteCrest_nd3 {
    position: sticky;
    top: 0;
    z-index: 20;
    padding: 16px 20px;
    background: rgba(247, 250, 253, .92);
    backdrop-filter: blur(14px);
    border-bottom: 2px solid var(--nd-edge);
}
.siteCrest_nd3__inner {
    max-width: 1080px;
    margin: 0 auto;
    text-align: center;
}
.siteCrest_nd3__name {
    display: inline-block;
    font-family: var(--nd-face);
    font-size: 22px;
    letter-spacing: .1em;
    text-transform: uppercase;
    font-weight: 900;
    color: var(--nd-navy);
    border-bottom: 4px solid var(--nd-coral);
    padding-bottom: 3px;
}
.siteCrest_nd3__name:hover { color: var(--nd-blue); }

/* ---------- hero: темно-синій блок на всю ширину ---------- */
.docHero_nd3 {
    background:
        linear-gradient(140deg, var(--nd-navy) 0%, var(--nd-dark) 100%);
    color: #dce7f4;
    padding: 62px 20px 58px;
    border-bottom: 6px solid var(--nd-coral);
}
.docHero_nd3__inner {
    max-width: 1080px;
    margin: 0 auto;
}
.docHero_nd3__tag {
    display: inline-block;
    padding: 6px 14px 7px;
    border: 2px solid rgba(255, 111, 94, .8);
    border-radius: var(--nd-r1);
    font-family: var(--nd-face);
    font-size: 11px;
    font-weight: 900;
    letter-spacing: .16em;
    text-transform: uppercase;
    color: var(--nd-coral);
    margin-bottom: 20px;
}
.docHero_nd3__title {
    max-width: 900px;
    font-family: var(--nd-face);
    font-weight: 900;
    font-size: clamp(28px, 4.6vw, 50px);
    line-height: 1.18;
    letter-spacing: -.01em;
    color: #ffffff;
    margin-bottom: 16px;
}
.docHero_nd3__sub {
    max-width: 720px;
    color: #a8bdd6;
    font-size: 14px;
    line-height: 1.82;
}
.docHero_nd3__meta {
    margin-top: 22px;
    display: inline-block;
    font-family: var(--nd-face);
    font-size: 12px;
    letter-spacing: .06em;
    text-transform: uppercase;
    color: #8ea3bd;
    border-top: 2px solid rgba(255, 255, 255, .16);
    padding-top: 10px;
}

/* ---------- стек карток-розділів ---------- */
.cardStack_nd3 {
    max-width: 1080px;
    margin: 0 auto;
    padding: 46px 20px 70px;
    display: grid;
    gap: 22px;
}

.sectCard_nd3 {
    position: relative;
    overflow: hidden;
    background: var(--nd-panel);
    border: 1px solid var(--nd-edge);
    border-left: 6px solid var(--nd-coral);
    border-radius: var(--nd-r2);
    box-shadow: var(--nd-lift1);
    padding: 30px 34px 28px;
    transition: box-shadow .2s ease, transform .2s ease;
}
.sectCard_nd3:hover {
    box-shadow: var(--nd-lift2);
    transform: translateY(-2px);
}
.sectCard_nd3__num {
    position: absolute;
    top: 2px;
    right: 20px;
    font-family: var(--nd-face);
    font-size: 86px;
    font-weight: 900;
    line-height: 1;
    color: rgba(43, 95, 168, .10);
    pointer-events: none;
    user-select: none;
}
.sectCard_nd3__title {
    position: relative;
    z-index: 1;
    font-family: var(--nd-face);
    font-weight: 900;
    font-size: clamp(19px, 2.4vw, 26px);
    line-height: 1.26;
    color: var(--nd-navy);
    margin-bottom: 14px;
    padding-right: 70px;
}
.sectCard_nd3__body { position: relative; z-index: 1; }
.sectCard_nd3__body p {
    color: var(--nd-mute);
    margin-bottom: 13px;
}
.sectCard_nd3__body p:last-child { margin-bottom: 0; }
.sectCard_nd3__body h3 {
    font-family: var(--nd-face);
    font-size: 16px;
    font-weight: 900;
    color: var(--nd-ink);
    margin: 20px 0 9px;
}
.sectCard_nd3__body ul,
.sectCard_nd3__body ol {
    padding-left: 20px;
    margin: 0 0 14px;
    color: var(--nd-mute);
}
.sectCard_nd3__body li { margin-bottom: 7px; }
.sectCard_nd3__body li::marker { color: var(--nd-coral); }
.sectCard_nd3__body strong { color: var(--nd-navy); }
.sectCard_nd3__body > :last-child { margin-bottom: 0; }

@media (max-width: 740px) {
    .sectCard_nd3 { padding: 24px 20px 22px; }
    .sectCard_nd3__num { font-size: 62px; right: 14px; }
    .sectCard_nd3__title { padding-right: 52px; }
    .docHero_nd3 { padding: 46px 20px 42px; }
}

/* ---------- сітка тез ---------- */
.dataGrid_nd3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 14px;
    margin: 20px 0;
}
.dataCell_nd3 {
    background: var(--nd-tint);
    border: 1px solid var(--nd-edge);
    border-top: 4px solid var(--nd-blue);
    border-radius: var(--nd-r1);
    padding: 18px 18px 16px;
}
.dataCell_nd3__title {
    font-family: var(--nd-face);
    font-size: 14px;
    font-weight: 900;
    color: var(--nd-navy);
    margin-bottom: 5px;
}
.dataCell_nd3__body {
    font-size: 13px;
    line-height: 1.72;
    color: var(--nd-mute);
}

/* ---------- виносна репліка ---------- */
.noteBlock_nd3 {
    margin: 22px 0;
    padding: 18px 22px;
    border-radius: var(--nd-r1);
    background: var(--nd-tint);
    border-left: 6px solid var(--nd-coral);
}
.noteBlock_nd3 p { margin: 0; color: var(--nd-ink); font-size: 14px; }

/* ---------- таблиця ---------- */
.specTable_nd3 {
    width: 100%;
    border-collapse: collapse;
    margin: 18px 0 22px;
    border: 1px solid var(--nd-edge);
    border-radius: var(--nd-r1);
    overflow: hidden;
    background: var(--nd-panel);
    font-size: 14px;
}
.specTable_nd3 th {
    background: var(--nd-navy);
    color: #fff;
    text-align: left;
    padding: 13px 15px;
    font-family: var(--nd-face);
    font-size: 13px;
    letter-spacing: .04em;
    text-transform: uppercase;
}
.specTable_nd3 td {
    padding: 12px 15px;
    border-bottom: 1px solid var(--nd-edge);
    color: var(--nd-mute);
}
.specTable_nd3 tr:nth-child(even) td { background: var(--nd-paper); }
.specTable_nd3 tr:last-child td { border-bottom: none; }

/* ---------- покроковий список ---------- */
.stepFlow_nd3 {
    margin: 22px 0;
    display: grid;
    gap: 12px;
}
.stepRow_nd3 {
    display: grid;
    grid-template-columns: 46px 1fr;
    gap: 15px;
    align-items: start;
    padding: 16px 18px;
    background: var(--nd-paper);
    border: 1px solid var(--nd-edge);
    border-radius: var(--nd-r1);
}
.stepRow_nd3__num {
    width: 46px;
    height: 46px;
    border-radius: var(--nd-r1);
    display: grid;
    place-items: center;
    font-family: var(--nd-face);
    font-size: 17px;
    font-weight: 900;
    color: #fff;
    background: var(--nd-blue);
}
.stepRow_nd3__title {
    font-family: var(--nd-face);
    font-size: 15px;
    font-weight: 900;
    color: var(--nd-navy);
    margin-bottom: 3px;
}
.stepRow_nd3__text {
    font-size: 14px;
    color: var(--nd-mute);
}

/* ---------- підвал ---------- */
.baseBar_nd3 {
    margin-top: 0;
    background: var(--nd-dark);
    color: #8ea3bd;
    padding: 28px 20px 22px;
    text-align: center;
    border-top: 5px solid var(--nd-coral);
    font-family: var(--nd-body);
}
.baseBar_nd3__inner {
    max-width: 900px;
    margin: 0 auto;
}
.baseBar_nd3__nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px 22px;
    margin-bottom: 16px;
}
.baseBar_nd3__nav a {
    color: #b7c8dc;
    font-size: 12px;
    font-family: var(--nd-face);
    text-decoration: none;
    border-bottom: 1px solid rgba(255, 111, 94, .45);
    padding-bottom: 2px;
}
.baseBar_nd3__nav a:hover { color: var(--nd-coral); }
.baseBar_nd3__legal {
    font-size: 11px;
    line-height: 1.75;
    color: #7f93ad;
    max-width: 760px;
    margin: 0 auto 14px;
}
.baseBar_nd3__note {
    font-size: 11px;
    color: #6d819a;
    font-family: var(--nd-face);
    letter-spacing: .04em;
}