/* Положение о порядке организации и проведения ПО НИОКТР — /nioktr/regulations */

.reg {
    --reg-accent: var(--bluetiful);
    --reg-accent-soft: rgba(11, 104, 254, 0.08);
    --reg-text: #1c1c1e;
    --reg-muted: #6b7280;
    --reg-line: #e6e8ee;
    --reg-surface: #ffffff;
    color: var(--reg-text);
}
.dark-theme .reg {
    --reg-accent-soft: rgba(11, 104, 254, 0.22);
    --reg-text: #f3f4f6;
    --reg-muted: #a1a1aa;
    --reg-line: #2a2a2e;
    --reg-surface: #131313;
}

/* ---------- hero ---------- */
.reg-hero {
    position: relative;
    overflow: hidden;
    background: #0f1b3d;
    color: #fff;
    border-radius: 20px;
    padding: 36px 32px;
}
.reg-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(900px 400px at 100% 0%, rgba(11, 104, 254, 0.55), transparent 60%),
        radial-gradient(600px 300px at 0% 100%, rgba(0, 204, 255, 0.35), transparent 60%);
    pointer-events: none;
}
.reg-hero > * { position: relative; }
.reg-hero .reg-back {
    display: flex;
    width: fit-content;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.78);
    font-size: 14px;
    margin-bottom: 22px;
}
.reg-hero .reg-back:hover { color: #fff; }
.reg-hero .reg-kicker {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    font-size: 12px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.72);
    margin-bottom: 14px;
}
.reg-hero .reg-kicker .reg-code {
    font-family: 'Golos Regular', 'Arial', sans-serif;
    letter-spacing: 0.06em;
    padding-left: 10px;
    border-left: 1px solid rgba(255, 255, 255, 0.35);
}
.reg-hero .reg-kicker .badge {
    font-family: 'Golos Regular', 'Arial', sans-serif;
    letter-spacing: 0.04em;
    background: rgba(255, 255, 255, 0.14);
    border: 1px solid rgba(255, 255, 255, 0.25);
}
.reg-hero h1 {
    font-size: clamp(22px, 2.6vw, 34px);
    line-height: 1.2;
    letter-spacing: 0.01em;
    margin: 0 0 10px;
    max-width: 22ch;
}
.reg-hero h1 small {
    display: block;
    font-size: 0.62em;
    font-weight: normal;
    letter-spacing: 0.08em;
    opacity: 0.9;
    margin-bottom: 8px;
}
.reg-hero .reg-subtitle {
    font-size: 17px;
    color: rgba(255, 255, 255, 0.85);
    margin: 0;
    max-width: 60ch;
}

/* ---------- layout ---------- */
.reg-layout {
    display: grid;
    grid-template-columns: 280px minmax(0, 1fr);
    gap: 28px;
    align-items: start;
    margin-top: 28px;
}
@media (max-width: 991.98px) {
    .reg-layout { grid-template-columns: 1fr; gap: 18px; }
}

/* ---------- table of contents ---------- */
.reg-toc {
    position: sticky;
    top: 20px;
    background: var(--reg-surface);
    border-radius: 20px;
    padding: 22px 20px;
}
.reg-toc-title {
    font-family: 'Gorizont', 'Arial', sans-serif;
    font-size: 13px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--reg-muted);
    margin: 0 0 14px;
}
.reg-toc ol {
    list-style: none;
    margin: 0;
    padding: 0;
}
.reg-toc li + li { margin-top: 4px; }
.reg-toc a {
    display: grid;
    grid-template-columns: 28px 1fr;
    gap: 8px;
    padding: 9px 10px;
    border-radius: 12px;
    color: var(--reg-text);
    font-size: 14px;
    line-height: 1.35;
    text-transform: none;
    transition: background .15s ease, color .15s ease;
}
.reg-toc a span:last-child {
    font-size: 12.5px;
    letter-spacing: 0.02em;
}
.reg-toc .toc-num {
    font-family: 'Gorizont', 'Arial', sans-serif;
    color: var(--reg-accent);
    font-weight: 600;
}
.reg-toc a:hover { background: var(--reg-accent-soft); }
.reg-toc a.active {
    background: var(--reg-accent);
    color: #fff;
}
.reg-toc a.active .toc-num { color: #fff; }
.reg-toc-summary {
    display: none;
}
@media (max-width: 991.98px) {
    .reg-toc { position: static; padding: 6px 16px; }
    .reg-toc details summary {
        list-style: none;
        cursor: pointer;
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 12px 4px;
        font-family: 'Gorizont', 'Arial', sans-serif;
        font-size: 14px;
        letter-spacing: 0.1em;
        text-transform: uppercase;
    }
    .reg-toc details summary::-webkit-details-marker { display: none; }
    .reg-toc details summary i { transition: transform .2s ease; }
    .reg-toc details[open] summary i { transform: rotate(180deg); }
    .reg-toc ol { padding: 4px 0 12px; }
    .reg-toc-title { display: none; }
}
@media (min-width: 992px) {
    .reg-toc details summary { display: none; }
}

/* ---------- document body ---------- */
.reg-doc {
    background: var(--reg-surface);
    border-radius: 20px;
    padding: 36px clamp(20px, 4vw, 56px) 44px;
    font-size: 16.5px;
    line-height: 1.68;
    text-wrap: pretty;
    hyphens: manual;
}
.reg-doc p, .reg-doc li { font-family: 'Golos Regular', 'Arial', sans-serif; }

.reg-section + .reg-section {
    margin-top: 44px;
    padding-top: 36px;
    border-top: 1px solid var(--reg-line);
}
.reg-section { scroll-margin-top: 24px; }

.reg-h2 {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 16px;
    align-items: baseline;
    font-size: 20px;
    line-height: 1.3;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    margin: 0 0 26px;
}
.reg-h2-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    height: 44px;
    padding: 0 10px;
    border-radius: 12px;
    background: var(--reg-accent);
    color: #fff;
    font-size: 18px;
    align-self: center;
}
.reg-h2-title { align-self: center; }
.reg-h2-plain { grid-template-columns: 1fr; }
.reg-h2-plain .reg-h2-title {
    padding-left: 16px;
    border-left: 4px solid var(--reg-accent);
}

/* numbered clauses: number in a gutter */
.reg-clause {
    display: grid;
    grid-template-columns: var(--reg-gutter, 64px) 1fr;
    column-gap: 10px;
    margin: 0 0 14px;
    scroll-margin-top: 24px;
}
.reg-clause .reg-num {
    font-family: 'Gorizont', 'Arial', sans-serif;
    font-weight: 600;
    color: var(--reg-accent);
    white-space: nowrap;
    letter-spacing: 0.01em;
    text-align: right;
}
.reg-clause .reg-text { min-width: 0; }
.reg-clause:target .reg-text { background: var(--reg-accent-soft); border-radius: 8px; padding: 0 6px; margin: 0 -6px; }

.reg-l2 { --reg-gutter: 88px; }
.reg-l3 { --reg-gutter: 112px; }
.reg-l4 { --reg-gutter: 136px; }
.reg-l2, .reg-l3, .reg-l4 { font-size: 0.98em; }

/* bullets and sub-items follow the clause text column */
.reg-list {
    list-style: none;
    margin: -4px 0 16px;
    padding-left: 74px;
}
.reg-list li {
    position: relative;
    padding-left: 22px;
    margin-bottom: 8px;
}
.reg-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.78em;
    width: 12px;
    height: 2px;
    border-radius: 2px;
    background: var(--reg-accent);
}
.reg-list-nested { padding-left: 110px; }

.reg-sub, .reg-dash {
    display: grid;
    grid-template-columns: 30px 1fr;
    margin: 0 0 10px 74px;
}
.reg-sub-num, .reg-dash-mark {
    color: var(--reg-accent);
    font-weight: 600;
}
.reg-note {
    margin: 4px 0 18px 74px;
    padding: 12px 16px;
    border-left: 3px solid var(--reg-accent);
    background: var(--reg-accent-soft);
    border-radius: 0 12px 12px 0;
}
.reg-plain { margin: 0 0 12px; }
.reg-doc a { color: var(--reg-accent); text-decoration: underline; text-underline-offset: 3px; }

@media (max-width: 767.98px) {
    .reg-hero { padding: 26px 20px; }
    .reg-doc { padding: 24px 18px 30px; font-size: 16px; }
    .reg-h2 { font-size: 17px; gap: 12px; }
    .reg-h2-num { min-width: 38px; height: 38px; font-size: 16px; }
    .reg-clause { grid-template-columns: 1fr; row-gap: 2px; }
    .reg-clause .reg-num { text-align: left; }
    .reg-l2, .reg-l3, .reg-l4 { padding-left: 14px; border-left: 2px solid var(--reg-line); }
    .reg-list { padding-left: 4px; }
    .reg-list-nested { padding-left: 22px; }
    .reg-sub, .reg-dash { margin-left: 4px; }
    .reg-note { margin-left: 0; }
}

/* ---------- footer note ---------- */
.reg-end {
    margin-top: 36px;
    padding-top: 22px;
    border-top: 1px solid var(--reg-line);
    color: var(--reg-muted);
    font-size: 14px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px 18px;
    align-items: center;
    justify-content: space-between;
}