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

:root {
    --cal-charcoal: #2b2b2b;
    --cal-brown: #6b4f3a;
    --cal-terra: #c9553d;
    --cal-ink: #1e1a17;
    --cal-sand: #faf6f1;
    --cal-white: #fffdfa;
    --cal-muted: #5c534c;
    --cal-line: #e7dfd5;
    --cal-font-head: Verdana, Geneva, "DejaVu Sans", sans-serif;
    --cal-font-body: Arial, Helvetica, "Liberation Sans", sans-serif;
    --cal-corner: 4px;
    --cal-corner-lg: 12px;
    --cal-depth-1: 0 4px 10px rgba(43, 43, 43, .08);
    --cal-depth-2: 0 12px 28px rgba(43, 43, 43, .14);
}

html { scroll-behavior: smooth; }

body {
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
    font-family: var(--cal-font-body);
    background: var(--cal-sand);
    color: var(--cal-ink);
    line-height: 1.65;
    font-size: 16px;
}

a {
    color: var(--cal-brown);
    text-decoration: underline;
    text-underline-offset: 3px;
    transition: color .2s ease;
}
a:hover { color: var(--cal-terra); }

/* ---------- header ---------- */
.cal-header {
    padding: 20px;
    text-align: center;
    background: var(--cal-sand);
    border-bottom: 4px double var(--cal-terra);
}
.cal-header-brand {
    display: inline-block;
    font-family: var(--cal-font-head);
    font-size: 21px;
    font-weight: 700;
    letter-spacing: .26em;
    text-indent: .26em;
    text-transform: uppercase;
    color: var(--cal-charcoal);
    text-decoration: none;
}
.cal-header-brand:hover { color: var(--cal-terra); }

/* ---------- title block ---------- */
.cal-title-block {
    max-width: 900px;
    margin: 0 auto;
    padding: 48px 22px 28px;
    border-bottom: 1px solid var(--cal-line);
}
.cal-title {
    font-family: var(--cal-font-head);
    font-size: clamp(26px, 4.2vw, 42px);
    font-weight: 700;
    line-height: 1.22;
    letter-spacing: -.01em;
    color: var(--cal-charcoal);
}
.cal-summary {
    display: block;
    margin-top: 14px;
    max-width: 680px;
    font-size: 16px;
    color: var(--cal-muted);
}
.cal-revision {
    display: inline-block;
    margin-top: 18px;
    padding: 5px 12px;
    border: 1px solid var(--cal-brown);
    border-radius: var(--cal-corner);
    font-family: var(--cal-font-head);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .06em;
    text-transform: uppercase;
    color: var(--cal-brown);
}

/* ---------- articles ---------- */
.cal-articles {
    max-width: 900px;
    width: 100%;
    margin: 0 auto;
    padding: 10px 22px 60px;
}
.cal-article {
    display: grid;
    grid-template-columns: 56px 1fr;
    gap: 0 20px;
    padding: 28px 0;
    border-top: 2px solid var(--cal-line);
}
.cal-article:first-child { border-top: none; }
.cal-article-marker {
    width: 44px;
    height: 44px;
    border-radius: var(--cal-corner);
    display: grid;
    place-items: center;
    font-family: var(--cal-font-head);
    font-size: 16px;
    font-weight: 700;
    color: #fff;
    background: var(--cal-brown);
    box-shadow: var(--cal-depth-1);
}
.cal-article:hover .cal-article-marker { background: var(--cal-terra); }
.cal-article-heading {
    font-family: var(--cal-font-head);
    font-size: clamp(18px, 2.3vw, 22px);
    font-weight: 700;
    line-height: 1.3;
    color: var(--cal-charcoal);
    margin: 8px 0 12px;
}
.cal-article-text { grid-column: 2; }
.cal-article-text p { margin-bottom: 12px; color: var(--cal-muted); }
.cal-article-text p:last-child { margin-bottom: 0; }
.cal-article-text strong { color: var(--cal-ink); }
.cal-article-text ul,
.cal-article-text ol {
    margin: 0 0 12px;
    padding-left: 0;
    list-style: none;
    color: var(--cal-muted);
}
.cal-article-text ol { counter-reset: calNum; }
.cal-article-text li {
    position: relative;
    padding-left: 22px;
    margin-bottom: 8px;
}
.cal-article-text ul > li::before {
    content: "";
    position: absolute;
    left: 0;
    top: .6em;
    width: 10px;
    height: 3px;
    background: var(--cal-terra);
}
.cal-article-text ol > li {
    counter-increment: calNum;
    padding-left: 30px;
}
.cal-article-text ol > li::before {
    content: counter(calNum, decimal-leading-zero);
    position: absolute;
    left: 0;
    top: 0;
    font-family: var(--cal-font-head);
    font-size: 13px;
    font-weight: 700;
    color: var(--cal-terra);
}
@media (max-width: 620px) {
    .cal-article {
        grid-template-columns: 1fr;
        gap: 10px 0;
    }
    .cal-article-marker { width: 36px; height: 36px; font-size: 14px; }
    .cal-article-text { grid-column: 1; }
    .cal-article-heading { margin-top: 0; }
    .cal-title-block { padding-top: 36px; }
}

/* ---------- inserts ---------- */
.cal-alert {
    margin: 14px 0 4px;
    padding: 14px 16px;
    border: 2px solid var(--cal-terra);
    border-radius: var(--cal-corner);
    background: rgba(201, 85, 61, .06);
}
.cal-alert p { color: var(--cal-ink); margin: 0; font-size: 15px; }

.cal-list-rows {
    margin: 12px 0;
    display: grid;
    gap: 6px;
}
.cal-row {
    display: grid;
    grid-template-columns: minmax(140px, 32%) 1fr;
    gap: 4px 16px;
    padding: 10px 14px;
    background: var(--cal-white);
    border-left: 3px solid var(--cal-brown);
    font-size: 15px;
}
.cal-row-key { font-family: var(--cal-font-head); font-size: 14px; font-weight: 700; color: var(--cal-charcoal); }
.cal-row-value { color: var(--cal-muted); }
@media (max-width: 560px) {
    .cal-row { grid-template-columns: 1fr; }
}

.cal-costs-table {
    width: 100%;
    border-collapse: collapse;
    margin: 14px 0;
    font-size: 15px;
    background: var(--cal-white);
    border: 2px solid var(--cal-line);
}
.cal-costs-table th {
    background: var(--cal-charcoal);
    color: #fff;
    text-align: left;
    padding: 12px 14px;
    font-family: var(--cal-font-head);
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .05em;
}
.cal-costs-table td {
    padding: 11px 14px;
    border-top: 1px solid var(--cal-line);
    color: var(--cal-muted);
}
.cal-costs-table tr:nth-child(even) td { background: rgba(107, 79, 58, .05); }

.cal-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 12px 0;
}
.cal-tag {
    display: inline-block;
    padding: 5px 12px;
    border-radius: var(--cal-corner);
    background: var(--cal-charcoal);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .04em;
    color: #fff;
}

.cal-footnote {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 22px 56px;
}
.cal-footnote-inner {
    padding: 16px 20px;
    border: 2px dashed var(--cal-line);
    border-radius: var(--cal-corner);
    font-size: 14px;
    color: var(--cal-muted);
}

/* ---------- footer ---------- */
.cal-footer {
    margin-top: auto;
    flex-shrink: 0;
    background: var(--cal-charcoal);
    color: #d9d1c8;
    padding: 26px 20px 24px;
    text-align: center;
    border-top: 4px double var(--cal-terra);
}
.cal-footer-inner {
    max-width: 900px;
    margin: 0 auto;
}
.cal-footer-menu {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px 22px;
    margin-bottom: 14px;
}
.cal-footer-menu a {
    color: #f1ebe3;
    font-size: 12px;
    text-decoration: none;
    border-bottom: 1px solid rgba(201, 85, 61, .6);
    padding-bottom: 2px;
}
.cal-footer-menu a:hover { color: var(--cal-terra); }
.cal-footer-contacts {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 6px 18px;
    font-size: 12px;
    font-style: normal;
    color: #d9d1c8;
    margin-bottom: 12px;
}
.cal-footer-contacts a {
    color: #f1ebe3;
    text-decoration: none;
    border-bottom: 1px solid rgba(201, 85, 61, .6);
    padding-bottom: 2px;
}
.cal-footer-contacts a:hover { color: var(--cal-terra); }
.cal-footer-copy {
    font-size: 12px;
    color: #d9d1c8;
    margin-bottom: 10px;
}
.cal-footer-legal {
    font-size: 11px;
    line-height: 1.7;
    color: #a89e93;
    max-width: 760px;
    margin: 0 auto;
}