.walk-hero h1 {
    max-width: 22ch;
    font-size: clamp(28px, 4.2vw, 44px);
}

.walk-toc {
    margin: 0 0 36px;
    padding: 14px 16px 12px;
    background: var(--paper-2);
    border: 1px solid var(--line);
}

.walk-toc p {
    margin: 0 0 8px;
    font-size: 11px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    font-weight: 560;
    color: var(--teal);
}

.walk-toc ol {
    display: flex;
    flex-wrap: wrap;
    gap: 6px 14px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.walk-toc a {
    font-family: "IBM Plex Mono", ui-monospace, monospace;
    font-size: 13px;
    text-decoration: none;
}

.walk-section {
    margin: 0 0 40px;
    padding-top: 8px;
}

.walk-section h2 {
    font-family: Fraunces, Georgia, serif;
    font-optical-sizing: auto;
    font-size: 26px;
    font-weight: 620;
    letter-spacing: -0.03em;
    margin: 0 0 10px;
}

.walk-section h3 {
    font-family: Fraunces, Georgia, serif;
    font-size: 18px;
    font-weight: 620;
    margin: 22px 0 8px;
}

.walk-section p,
.walk-section li {
    color: var(--ink-soft);
    max-width: 68ch;
}

.walk-section p {
    margin: 0 0 10px;
}

.walk-section ul,
.walk-section ol {
    margin: 0 0 12px;
    padding-left: 1.2em;
}

.walk-section li + li {
    margin-top: 6px;
}

.formula {
    margin: 0 0 12px;
    font-family: "IBM Plex Mono", ui-monospace, monospace;
    font-size: 14px;
    color: var(--teal);
}

.mono {
    font-family: "IBM Plex Mono", ui-monospace, monospace;
    font-size: 0.92em;
    background: #efe6d4;
    padding: 0 5px;
    border-radius: 4px;
}

.result {
    margin: 14px 0;
    padding: 11px 13px;
    background: #d7efe6;
    border-left: 3px solid var(--teal);
    color: var(--ink);
    max-width: none;
}

.result.alt {
    background: #f7f0e2;
    border-left-color: var(--amber);
}

.nums {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 12px;
    margin: 12px 0 16px;
    padding: 10px 12px;
    background: #f7f0e2;
    border-left: 3px solid var(--amber);
}

.nums span {
    color: var(--ink-soft);
    font-size: 14.5px;
}

.nums b {
    display: inline-block;
    min-width: 1.1em;
    margin-right: 4px;
    padding: 1px 7px;
    border-radius: 6px;
    background: var(--ink);
    color: #f7f1e6;
    font-family: "IBM Plex Mono", ui-monospace, monospace;
    font-size: 13px;
}

.htable {
    width: 100%;
    max-width: 520px;
    border-collapse: collapse;
    margin: 12px 0 16px;
    font-family: "IBM Plex Mono", ui-monospace, monospace;
    font-size: 13px;
}

.htable th,
.htable td {
    border-bottom: 1px solid var(--line);
    padding: 6px 8px;
    text-align: left;
}

.htable th {
    color: var(--ink-soft);
    font-weight: 500;
    font-size: 11px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.picks {
    margin: 10px 0 14px;
    padding-left: 1.15em;
}

.picks li {
    max-width: 72ch;
}

.map {
    width: 100%;
    max-width: 640px;
    height: auto;
    display: block;
    margin: 12px 0 8px;
    background: linear-gradient(#faf6ee, #f4ecdc);
    border: 1px solid #eadfcb;
    border-radius: 10px;
}

.map .edge {
    stroke: #cbbfa8;
    stroke-width: 2;
}

.map .elabel,
.map .meta {
    font-family: "IBM Plex Mono", ui-monospace, monospace;
    font-size: 11px;
    fill: #6d665b;
    text-anchor: middle;
}

.map .meta {
    font-size: 10px;
}

.map circle {
    fill: #fffdf8;
    stroke: #c9beab;
    stroke-width: 2;
}

.map .start circle {
    stroke: var(--teal);
    stroke-width: 2.6;
}

.map .goal circle {
    fill: #fff6dd;
    stroke: #7c5a00;
    stroke-width: 3;
}

.map .id {
    font-family: Fraunces, Georgia, serif;
    font-size: 16px;
    font-weight: 700;
    fill: var(--ink);
    text-anchor: middle;
    dominant-baseline: central;
}

.lab-link {
    margin: 12px 0 0;
}

.sources {
    margin-top: 8px;
    padding-top: 18px;
    border-top: 1px solid var(--line);
    color: var(--ink-soft);
    font-size: 13.5px;
    max-width: 72ch;
}

.sources p {
    margin: 0 0 8px;
}

.sources a {
    overflow-wrap: anywhere;
}

@media (max-width: 640px) {
    .walk-section h2 {
        font-size: 22px;
    }

    .htable {
        display: block;
        overflow-x: auto;
    }
}