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

:root {
    --xrq-primary: #0f5c63;
    --xrq-secondary: #17868c;
    --xrq-accent: #ef6b4a;
    --xrq-ink: #14232a;
    --xrq-muted: #4a6068;
    --xrq-line: #d6e6e4;
    --xrq-paper: #ffffff;
    --xrq-surface: #f2f8f7;
    --xrq-deep: #0a3a3f;
    --xrq-ui: "Segoe UI", Tahoma, Arial, sans-serif;
    --xrq-head: "Trebuchet MS", "Segoe UI", Arial, sans-serif;
    --xrq-r1: 10px;
    --xrq-r2: 16px;
    --xrq-r3: 26px;
    --xrq-sh1: 0 8px 20px rgba(15, 92, 99, .07);
    --xrq-sh2: 0 16px 40px rgba(15, 92, 99, .12);
    --xrq-sh3: 0 26px 60px rgba(10, 58, 63, .18);
}

html { scroll-behavior: smooth; }

body {
    font-family: var(--xrq-ui);
    background:
        radial-gradient(circle at top left, rgba(23, 134, 140, .12), transparent 34%),
        linear-gradient(180deg, #ffffff 0%, #f2f8f7 100%);
    color: var(--xrq-ink);
    line-height: 1.74;
    font-size: 16px;
}

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

/* ── шапка ───────────────────────────────── */
.xrq-topbar {
    position: sticky;
    top: 0;
    z-index: 20;
    padding: 16px 20px;
    background: rgba(255, 255, 255, .9);
    backdrop-filter: blur(14px);
    border-bottom: 2px solid rgba(15, 92, 99, .14);
}
.xrq-topbar__inner {
    max-width: 1080px;
    margin: 0 auto;
    text-align: center;
}
.xrq-topbar__logo {
    font-family: var(--xrq-head);
    font-size: 22px;
    letter-spacing: .22em;
    text-transform: uppercase;
    font-weight: 800;
    color: var(--xrq-primary);
}

/* ── шапка документа ─────────────────────── */
.xrq-doc {
    max-width: 940px;
    margin: 0 auto;
    padding: 0 20px 80px;
}
.xrq-doc__head {
    padding: 54px 0 34px;
    border-bottom: 3px solid var(--xrq-line);
    margin-bottom: 14px;
}
.xrq-doc__badge {
    display: inline-block;
    padding: 5px 16px;
    border-radius: var(--xrq-r1);
    background: var(--xrq-primary);
    color: #ffffff;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: .2em;
    text-transform: uppercase;
    margin-bottom: 16px;
}
.xrq-doc__title {
    font-family: var(--xrq-head);
    font-size: clamp(27px, 4.4vw, 46px);
    line-height: 1.14;
    color: var(--xrq-primary);
    margin-bottom: 14px;
}
.xrq-doc__lead {
    max-width: 660px;
    color: var(--xrq-muted);
    font-size: 17px;
}
.xrq-doc__stamp {
    display: inline-block;
    margin-top: 20px;
    padding: 8px 18px;
    border-left: 4px solid var(--xrq-accent);
    background: var(--xrq-surface);
    font-size: 14px;
    color: var(--xrq-ink);
}
.xrq-doc__stamp strong { color: var(--xrq-primary); }

/* ── нумерована секція з номером збоку ───── */
.xrq-rail {
    display: grid;
    grid-template-columns: 96px 1fr;
    gap: 26px;
    padding: 32px 0;
    border-bottom: 1px solid var(--xrq-line);
}
.xrq-rail:last-child { border-bottom: none; }
.xrq-rail__num {
    font-family: var(--xrq-head);
    font-size: 54px;
    font-weight: 800;
    line-height: 1;
    letter-spacing: -.03em;
    color: rgba(23, 134, 140, .28);
    text-align: right;
    padding-top: 4px;
    border-right: 3px solid var(--xrq-line);
    padding-right: 18px;
}
.xrq-rail__body > *:last-child { margin-bottom: 0; }
.xrq-rail__title {
    font-family: var(--xrq-head);
    font-size: clamp(20px, 2.6vw, 27px);
    line-height: 1.24;
    color: var(--xrq-primary);
    margin-bottom: 12px;
}
.xrq-rail__sub {
    font-size: 17px;
    line-height: 1.34;
    color: var(--xrq-ink);
    margin: 22px 0 9px;
}
.xrq-rail__body p {
    color: var(--xrq-muted);
    margin-bottom: 14px;
}
.xrq-rail__body strong { color: var(--xrq-ink); }

@media (max-width: 720px) {
    .xrq-rail {
        grid-template-columns: 1fr;
        gap: 8px;
        padding: 26px 0;
    }
    .xrq-rail__num {
        text-align: left;
        border-right: none;
        border-bottom: 3px solid var(--xrq-line);
        padding: 0 0 6px;
        font-size: 38px;
        width: 68px;
    }
    .xrq-doc__head { padding-top: 40px; }
}

/* ── списки ──────────────────────────────── */
.xrq-list {
    list-style: none;
    margin: 0 0 16px;
    color: var(--xrq-muted);
}
.xrq-list li {
    position: relative;
    padding-left: 24px;
    margin-bottom: 8px;
}
.xrq-list li::before {
    content: "";
    position: absolute;
    left: 2px;
    top: 12px;
    width: 9px;
    height: 3px;
    border-radius: 2px;
    background: var(--xrq-accent);
}
.xrq-list--num {
    list-style: decimal;
    padding-left: 22px;
    margin: 0 0 16px;
    color: var(--xrq-muted);
}
.xrq-list--num li { margin-bottom: 8px; padding-left: 4px; }

/* ── виноска ─────────────────────────────── */
.xrq-note {
    margin: 20px 0;
    padding: 18px 22px;
    border-radius: var(--xrq-r2);
    background: var(--xrq-surface);
    border-left: 5px solid var(--xrq-secondary);
    box-shadow: var(--xrq-sh1);
}
.xrq-note p { margin: 0; color: var(--xrq-ink); font-size: 15px; }
.xrq-note--warn {
    background: rgba(239, 107, 74, .09);
    border-left-color: var(--xrq-accent);
}

/* ── таблиця ─────────────────────────────── */
.xrq-tablebox {
    overflow: auto;
    margin: 18px 0 22px;
    border-radius: var(--xrq-r2);
    box-shadow: var(--xrq-sh1);
}
.xrq-table {
    width: 100%;
    min-width: 420px;
    border-collapse: collapse;
    background: var(--xrq-paper);
    font-size: 15px;
}
.xrq-table th {
    background: var(--xrq-primary);
    color: #ffffff;
    text-align: left;
    padding: 13px 16px;
    font-family: var(--xrq-head);
    font-size: 14px;
    letter-spacing: .04em;
    text-transform: uppercase;
}
.xrq-table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--xrq-line);
    color: var(--xrq-muted);
    vertical-align: top;
}
.xrq-table td:first-child { color: var(--xrq-ink); font-weight: 700; }
.xrq-table tr:nth-child(even) td { background: rgba(242, 248, 247, .8); }
.xrq-table tr:last-child td { border-bottom: none; }

/* ── картки ──────────────────────────────── */
.xrq-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
    gap: 16px;
    margin: 20px 0 24px;
}
.xrq-card {
    padding: 20px 18px;
    border-radius: var(--xrq-r2);
    background: var(--xrq-paper);
    border: 2px solid var(--xrq-line);
    box-shadow: var(--xrq-sh1);
}
.xrq-card__title {
    font-family: var(--xrq-head);
    font-size: 16px;
    font-weight: 800;
    color: var(--xrq-primary);
    margin-bottom: 7px;
}
.xrq-card__text {
    font-size: 14px;
    line-height: 1.66;
    color: var(--xrq-muted);
}

/* ── кроки ───────────────────────────────── */
.xrq-steps {
    counter-reset: xrq-step;
    display: grid;
    gap: 14px;
    margin: 20px 0 24px;
}
.xrq-step {
    counter-increment: xrq-step;
    position: relative;
    padding: 18px 20px 16px 62px;
    border-radius: var(--xrq-r2);
    background: var(--xrq-surface);
    border: 2px solid var(--xrq-line);
}
.xrq-step::before {
    content: counter(xrq-step);
    position: absolute;
    left: 18px;
    top: 17px;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: var(--xrq-accent);
    color: #ffffff;
    font-family: var(--xrq-head);
    font-size: 15px;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
}
.xrq-step__title {
    font-size: 15px;
    font-weight: 800;
    color: var(--xrq-ink);
    margin-bottom: 3px;
}
.xrq-step__text {
    font-size: 14px;
    line-height: 1.68;
    color: var(--xrq-muted);
}

/* ── підвал ──────────────────────────────── */
.xrq-foot {
    margin-top: 0;
    background: var(--xrq-primary);
    color: rgba(242, 248, 247, .72);
    padding: 26px 20px 22px;
    text-align: center;
    border-top: 4px solid var(--xrq-accent);
}
.xrq-foot__inner {
    max-width: 900px;
    margin: 0 auto;
}
.xrq-foot__nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px 22px;
    margin-bottom: 12px;
}
.xrq-foot__nav a {
    color: rgba(242, 248, 247, .8);
    font-size: 12px;
}
.xrq-foot__nav a:hover { color: #ffffff; text-decoration: underline; }
.xrq-foot__copy {
    font-size: 12px;
    color: rgba(242, 248, 247, .62);
}