.card+.card {
    margin-top: 32px;
}

.duo {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(260px, 100%), 1fr));
    gap: 16px;
}

.duo .box {
    margin-top: 20px;
}

.duo .box p {
    font-weight: 600;
    line-height: 1.55;
}

.duo .box p+p {
    margin-top: 10px;
}

.promo {
    max-width: 360px;
    margin: 24px auto 0;
    padding: 20px;
    background: white;
    border: 3px solid var(--dark-border);
    border-radius: 20px;
    box-shadow: 5px 5px 0 var(--dark-border);
}

.promo__top {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 8px;
}

.promo__disc {
    padding: 4px 12px;
    background: var(--red);
    color: white;
    border-radius: 999px;
    font-weight: 800;
}

.promo__stock {
    color: var(--red);
    font-weight: 800;
}

.promo__price {
    margin-top: 14px;
    font-family: 'Inter Tight', sans-serif;
    font-size: 2rem;
    font-weight: 800;
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    column-gap: 8px;
}

.promo__price s {
    font-size: 1rem;
    opacity: .6;
}

.promo__clock {
    display: inline-block;
    margin-top: 10px;
    padding: 6px 14px;
    background: var(--maroon);
    color: var(--yellow);
    border-radius: 10px;
    font: 800 1.4rem/1 'Inter Tight', sans-serif;
    font-variant-numeric: tabular-nums;
}

.reveal {
    margin-top: 20px;
    padding: 16px 18px;
    background: var(--yellow);
    border: 3px solid var(--dark-border);
    border-radius: 16px;
    font-weight: 700;
    line-height: 1.5;
}

.doc {
    display: grid;
    grid-template-columns: 260px minmax(0, 1fr);
    gap: 32px;
    align-items: start;
    max-width: 1180px;
    margin: 0 auto;
}

.toc {
    position: sticky;
    top: 24px;
    max-height: calc(100vh - 48px);
    overflow-y: auto;
    padding: 20px;
    background: var(--cream);
    border: 4px solid var(--dark-border);
    border-radius: 24px;
    box-shadow: 6px 6px 0 var(--dark-border);
}

.toc summary {
    font-family: 'Inter Tight', sans-serif;
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--red);
    list-style: none;
}

.toc summary::-webkit-details-marker {
    display: none;
}

.toc ol {
    margin: 12px 0 0;
    padding: 0;
    list-style: none;
}

.toc ol ol {
    margin: 2px 0 6px;
}

.toc a {
    display: block;
    padding: 6px 10px;
    border-left: 3px solid transparent;
    border-radius: 8px;
    color: var(--brown);
    font-weight: 700;
    line-height: 1.35;
    text-decoration: none;
}

.toc ol ol a {
    padding-left: 24px;
    font-size: .92rem;
    font-weight: 600;
}

.toc a:hover {
    background: var(--paper);
}

.toc a[aria-current="true"] {
    background: white;
    border-left-color: var(--red);
    color: var(--red);
}

.article {
    max-width: none;
}

.article h2 {
    margin-top: 56px;
    padding-top: 24px;
    border-top: 3px dashed rgba(133, 37, 32, .35);
    font-size: clamp(1.6rem, 4vw, 2.2rem);
    font-weight: 800;
    line-height: 1.15;
    color: var(--red);
}

.article h3 {
    margin-top: 32px;
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--brown);
}

.article h2,
.article h3,
.article h4 {
    scroll-margin-top: 24px;
}

.article {
    counter-reset: bab;
}

.article h2 {
    counter-increment: bab;
    counter-reset: subbab;
}

.article h3 {
    counter-increment: subbab;
    counter-reset: butir;
}

.article h4[id] {
    counter-increment: butir;
}

.article h2::before,
.article h3::before,
.article h4[id]::before {
    margin-right: .35em;
    font-variant-numeric: tabular-nums;
    color: var(--red);
}

.article h2::before {
    content: "Bagian " counter(bab);
    display: block;
    width: fit-content;
    margin: 0 0 10px;
    padding: 4px 12px;
    border: 2px solid var(--red);
    border-radius: 999px;
    font-size: .8rem;
    font-weight: 800;
    letter-spacing: .08em;
    line-height: 1.2;
    text-transform: uppercase;
}

.article h3::before { content: counter(bab) "." counter(subbab); }

.article h4[id]::before { content: counter(bab) "." counter(subbab) "." counter(butir); }

.toc ol {
    counter-reset: toc;
}

.toc li {
    counter-increment: toc;
}

.toc a {
    display: flex;
    gap: 8px;
}

.toc a::before {
    content: counters(toc, ".");
    flex: none;
    min-width: 1.4em;
    font-variant-numeric: tabular-nums;
    color: var(--red);
}

.toc ol ol ol a {
    padding-left: 38px;
    font-size: .88rem;
}

.article p {
    margin-top: 12px;
    max-width: 68ch;
    font-size: 1.05rem;
    font-weight: 500;
    line-height: 1.7;
    text-align: justify;
}

.article sup a {
    color: var(--wine);
    font-weight: 800;
    text-decoration: none;
}

.refs {
    margin: 16px 0 0;
    padding-left: 1.4em;
    display: grid;
    gap: 10px;
    font-size: .9rem;
    font-weight: 600;
    line-height: 1.55;
}

.refs li {
    overflow-wrap: anywhere;
    scroll-margin-top: 24px;
}

.refs a {
    color: inherit;
}

@media (max-width: 900px) {
    .doc {
        grid-template-columns: minmax(0, 1fr);
        gap: 20px;
    }

    .toc {
        position: static;
        max-height: none;
        box-shadow: 5px 5px 0 var(--dark-border);
    }

    .toc summary {
        cursor: pointer;
    }

    .toc summary::after {
        content: " ▾";
    }

    .toc[open] summary::after {
        content: " ▴";
    }
}

.duo h4 {
    margin: 0 0 8px;
    font-family: 'Inter Tight', sans-serif;
    font-size: 1.2rem;
    color: var(--red);
}

.article h2::before {
    background: var(--slate);
    border-color: var(--slate);
    color: white;
}

.toc {
    background: var(--yellow-soft);
}

.toc a[aria-current="true"] {
    border-left-color: var(--slate);
}

.table thead th {
    background: var(--slate);
    color: white;
}

.article .pull {
    border-left-color: var(--orange-deep);
}

.duo .box:nth-child(1) {
    background: var(--yellow);
    border-top-color: var(--dark-border);
    color: var(--brown);
}

.duo .box:nth-child(2) {
    background: var(--slate);
    border-top-color: var(--dark-border);
    color: white;
}

.duo .box h4,
.duo .box h4[id]::before {
    color: inherit;
}

.article p {
    max-width: 55ch;
}

.stats--two-by-two {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.article .tips li,
.article .refs li {
    max-width: 59ch;
}

@media (max-width: 900px) {
    .toc summary {
        display: flex;
        align-items: center;
        min-height: 44px;
    }
}