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

:root {
    --dm-deep: #0f4f4a;
    --dm-teal: #12726a;
    --dm-amber: #e8a33d;
    --dm-amber-soft: #f3c078;
    --dm-ink: #132a28;
    --dm-mute: #4f6d69;
    --dm-line: #d5e6e1;
    --dm-bg: #f6faf8;
    --dm-mint: #e9f4f0;
    --dm-card: #ffffff;
    --dm-ui: "Verdana", "Geneva", "Segoe UI", Arial, sans-serif;
    --dm-display: "Georgia", "Iowan Old Style", "Times New Roman", serif;
    --dm-r-sm: 10px;
    --dm-r-md: 18px;
    --dm-r-lg: 26px;
    --dm-sh-1: 0 6px 16px rgba(15, 79, 74, .07);
    --dm-sh-2: 0 14px 34px rgba(15, 79, 74, .12);
    --dm-sh-3: 0 24px 56px rgba(15, 79, 74, .16);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--dm-display);
    font-size: 16px;
    line-height: 1.75;
    color: var(--dm-ink);
    background:
        radial-gradient(ellipse at 85% -5%, rgba(18, 114, 106, .13), transparent 46%),
        radial-gradient(ellipse at 5% 12%, rgba(232, 163, 61, .10), transparent 40%),
        linear-gradient(180deg, #f6faf8 0%, #e9f4f0 100%);
    background-attachment: fixed;
}

a {
    color: var(--dm-teal);
    text-decoration: none;
    transition: color .2s ease;
}

a:hover {
    color: var(--dm-deep);
}

/* ---------- шапка ---------- */
.dm-doc-header {
    padding: 20px;
    background: rgba(246, 250, 248, .92);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--dm-line);
}

.dm-doc-header__inner {
    max-width: 1160px;
    margin: 0 auto;
    text-align: center;
}

.dm-doc-header__brand {
    font-family: var(--dm-ui);
    font-size: 20px;
    font-weight: 700;
    letter-spacing: .24em;
    text-transform: uppercase;
    color: var(--dm-deep);
}

/* ---------- вступ ---------- */
.dm-doc-hero {
    max-width: 1160px;
    margin: 0 auto;
    padding: 58px 24px 34px;
}

.dm-doc-hero__eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    margin-bottom: 16px;
    padding: 6px 15px;
    border-radius: 999px;
    background: var(--dm-mint);
    border: 1px solid rgba(18, 114, 106, .24);
    font-family: var(--dm-ui);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .16em;
    text-transform: uppercase;
    color: var(--dm-deep);
}

.dm-doc-hero__title {
    max-width: 780px;
    margin-bottom: 14px;
    font-size: clamp(28px, 4.4vw, 46px);
    line-height: 1.16;
    color: var(--dm-deep);
}

.dm-doc-hero__lead {
    max-width: 680px;
    color: var(--dm-mute);
    font-size: 17px;
}

.dm-doc-hero__meta {
    margin-top: 14px;
    font-family: var(--dm-ui);
    font-size: 12px;
    letter-spacing: .06em;
    text-transform: uppercase;
    color: #7d9490;
}

/* ---------- дві колонки ---------- */
.dm-doc-layout {
    max-width: 1160px;
    margin: 0 auto;
    padding: 0 24px 80px;
    display: grid;
    grid-template-columns: 274px minmax(0, 1fr);
    gap: 34px;
    align-items: start;
}

.dm-doc-toc {
    position: sticky;
    top: 22px;
    padding: 22px 20px;
    background: rgba(255, 255, 255, .9);
    border: 1px solid var(--dm-line);
    border-left: 4px solid var(--dm-amber);
    border-radius: var(--dm-r-md);
    box-shadow: var(--dm-sh-1);
}

.dm-doc-toc__title {
    margin-bottom: 12px;
    font-family: var(--dm-ui);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .16em;
    text-transform: uppercase;
    color: var(--dm-deep);
}

.dm-doc-toc__list {
    list-style: none;
    counter-reset: dm-toc;
}

.dm-doc-toc__list li {
    counter-increment: dm-toc;
    margin-bottom: 4px;
}

.dm-doc-toc__link {
    display: block;
    padding: 7px 10px 7px 32px;
    position: relative;
    border-radius: var(--dm-r-sm);
    font-family: var(--dm-ui);
    font-size: 13.5px;
    line-height: 1.5;
    color: var(--dm-mute);
}

.dm-doc-toc__link::before {
    content: counter(dm-toc);
    position: absolute;
    left: 8px;
    top: 7px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    background: var(--dm-mint);
    color: var(--dm-deep);
    font-size: 10px;
    font-weight: 700;
}

.dm-doc-toc__link:hover {
    background: var(--dm-mint);
    color: var(--dm-deep);
}

.dm-doc-toc__link:hover::before {
    background: var(--dm-amber);
    color: #2c1a02;
}

/* ---------- текст ---------- */
.dm-doc-body {
    min-width: 0;
}

.dm-doc-section {
    margin-bottom: 22px;
    padding: 30px 34px;
    background: rgba(255, 255, 255, .93);
    border: 1px solid var(--dm-line);
    border-radius: var(--dm-r-lg);
    box-shadow: var(--dm-sh-1);
    scroll-margin-top: 22px;
}

.dm-doc-section__title {
    margin-bottom: 12px;
    padding-bottom: 10px;
    border-bottom: 2px dashed rgba(232, 163, 61, .5);
    font-size: clamp(21px, 2.6vw, 28px);
    line-height: 1.22;
    color: var(--dm-deep);
}

.dm-doc-section h3 {
    margin: 20px 0 8px;
    font-size: 18px;
    line-height: 1.3;
    color: var(--dm-ink);
}

.dm-doc-section p {
    margin-bottom: 14px;
    color: var(--dm-mute);
}

.dm-doc-section ul,
.dm-doc-section ol {
    margin: 0 0 16px;
    padding-left: 22px;
    color: var(--dm-mute);
}

.dm-doc-section li {
    margin-bottom: 7px;
}

.dm-doc-section strong {
    color: var(--dm-ink);
}

.dm-doc-section > *:last-child {
    margin-bottom: 0;
}

/* ---------- допоміжні блоки ---------- */
.dm-doc-note {
    margin: 20px 0;
    padding: 18px 20px;
    border-radius: var(--dm-r-md);
    background: linear-gradient(135deg, rgba(232, 163, 61, .17), rgba(255, 255, 255, .95));
    border: 1px solid rgba(232, 163, 61, .42);
}

.dm-doc-note p {
    margin: 0;
    color: var(--dm-ink);
}

.dm-doc-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 14px;
    margin: 20px 0;
}

.dm-doc-card {
    padding: 18px 18px 16px;
    background: var(--dm-mint);
    border: 1px solid rgba(18, 114, 106, .18);
    border-radius: var(--dm-r-md);
}

.dm-doc-card__title {
    margin-bottom: 5px;
    font-family: var(--dm-ui);
    font-size: 14px;
    font-weight: 700;
    color: var(--dm-deep);
}

.dm-doc-card__text {
    font-size: 14px;
    line-height: 1.66;
    color: var(--dm-mute);
}

.dm-doc-table {
    width: 100%;
    margin: 18px 0 22px;
    border-collapse: collapse;
    border-radius: 14px;
    overflow: hidden;
    box-shadow: var(--dm-sh-1);
    background: var(--dm-card);
}

.dm-doc-table th {
    padding: 13px 15px;
    text-align: left;
    background: linear-gradient(135deg, var(--dm-deep), var(--dm-teal));
    color: #fff;
    font-family: var(--dm-ui);
    font-size: 13.5px;
}

.dm-doc-table td {
    padding: 12px 15px;
    border-bottom: 1px solid var(--dm-line);
    color: var(--dm-mute);
    font-size: 15px;
}

.dm-doc-table tr:nth-child(even) td {
    background: rgba(233, 244, 240, .6);
}

.dm-doc-table tr:last-child td {
    border-bottom: none;
}

.dm-doc-table-scroll {
    overflow-x: auto;
}

.dm-doc-steps {
    display: grid;
    gap: 14px;
    margin: 20px 0;
}

.dm-doc-step {
    display: grid;
    grid-template-columns: 46px minmax(0, 1fr);
    gap: 14px;
    align-items: start;
    padding: 16px 18px;
    background: rgba(246, 250, 248, .9);
    border: 1px solid var(--dm-line);
    border-radius: var(--dm-r-md);
}

.dm-doc-step__num {
    width: 46px;
    height: 46px;
    border-radius: 14px;
    display: grid;
    place-items: center;
    background: linear-gradient(135deg, var(--dm-deep), var(--dm-teal));
    color: #fff;
    font-family: var(--dm-ui);
    font-size: 17px;
    font-weight: 700;
}

.dm-doc-step__title {
    margin-bottom: 3px;
    font-family: var(--dm-ui);
    font-size: 14.5px;
    font-weight: 700;
    color: var(--dm-ink);
}

.dm-doc-step__text {
    font-size: 15px;
    color: var(--dm-mute);
}

/* ---------- підвал ---------- */
.dm-site-footer {
    margin-top: 20px;
    padding: 24px 20px 20px;
    text-align: center;
    background: #eef6f3;
    border-top: 1px solid var(--dm-line);
    font-family: var(--dm-ui);
}

.dm-site-footer__inner {
    max-width: 900px;
    margin: 0 auto;
}

.dm-site-footer__nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 6px 22px;
    margin-bottom: 12px;
}

.dm-site-footer__nav a {
    font-size: 12px;
    color: var(--dm-teal);
}

.dm-site-footer__nav a:hover {
    color: var(--dm-deep);
    text-decoration: underline;
}

.dm-site-footer__copy {
    margin-bottom: 10px;
    font-size: 12px;
    color: #6d8783;
}

.dm-site-footer__disclaimer {
    max-width: 780px;
    margin: 0 auto;
    font-size: 11px;
    line-height: 1.75;
    color: #7d9490;
}

/* ---------- адаптив ---------- */
@media (max-width: 900px) {
    .dm-doc-layout {
        grid-template-columns: minmax(0, 1fr);
        gap: 22px;
    }

    .dm-doc-toc {
        position: static;
        top: auto;
    }

    .dm-doc-toc__list {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
        gap: 2px 8px;
    }
}

@media (max-width: 560px) {
    .dm-doc-hero {
        padding-top: 40px;
    }

    .dm-doc-section {
        padding: 22px 18px;
        border-radius: 20px;
    }

    .dm-doc-step {
        grid-template-columns: 38px minmax(0, 1fr);
        gap: 12px;
    }

    .dm-doc-step__num {
        width: 38px;
        height: 38px;
        font-size: 15px;
        border-radius: 12px;
    }
}