/* Spec page typography — long-form reading on top of style.css */

.spec-hero {
    padding: 56px 0 32px;
    border-bottom: 1px solid var(--rule);
    background: linear-gradient(180deg, #11111a 0%, var(--bg) 100%);
}

.spec-hero h1 {
    font-size: clamp(28px, 5vw, 38px);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin: 8px 0 12px;
}

.spec-hero .lede {
    margin: 0 0 14px;
}

.breadcrumb {
    color: var(--dim);
    font-size: 14px;
    margin: 0 0 4px;
}

.breadcrumb a {
    color: var(--muted);
    border-bottom: none;
}

.breadcrumb a:hover {
    color: var(--accent);
}

.breadcrumb span[aria-hidden] {
    margin: 0 6px;
    color: var(--dim);
}

.spec-meta {
    font-size: 14px;
    color: var(--muted);
    margin: 0;
}

.spec-meta a {
    color: var(--muted);
}

.spec-meta a:hover {
    color: var(--accent);
}

/* ========== Article body ========== */

article.spec {
    padding: 56px 0 80px;
    max-width: 720px;
    font-size: 17px;
    line-height: 1.7;
    color: var(--text);
}

article.spec h1 {
    /* The h1 in the source becomes a section anchor; the page already has
       an h1 in the hero, so demote spec h1 visually. */
    font-size: 28px;
    font-weight: 700;
    letter-spacing: -0.01em;
    margin: 56px 0 16px;
    padding-top: 16px;
    border-top: 1px solid var(--rule);
}

article.spec h1:first-child {
    margin-top: 0;
    padding-top: 0;
    border-top: none;
}

article.spec h2 {
    font-size: 22px;
    font-weight: 700;
    letter-spacing: -0.01em;
    margin: 40px 0 12px;
    color: var(--text);
}

article.spec h3 {
    font-size: 18px;
    font-weight: 600;
    margin: 28px 0 10px;
    color: var(--text);
}

article.spec h4 {
    font-size: 16px;
    font-weight: 600;
    margin: 22px 0 8px;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

article.spec p {
    margin: 0 0 16px;
    max-width: none;
}

article.spec a {
    color: var(--accent);
}

article.spec code {
    background: var(--code-bg);
    border: 1px solid var(--rule);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.9em;
    color: var(--kw);
}

article.spec pre {
    background: var(--code-bg);
    border: 1px solid var(--rule);
    border-radius: 8px;
    padding: 14px 18px;
    margin: 0 0 18px;
    overflow-x: auto;
    font-size: 14px;
    line-height: 1.55;
}

article.spec pre code {
    background: none;
    border: none;
    padding: 0;
    color: var(--text);
}

article.spec ul,
article.spec ol {
    padding-left: 28px;
    margin: 0 0 18px;
}

article.spec li {
    margin-bottom: 6px;
}

article.spec blockquote {
    border-left: 3px solid var(--accent);
    margin: 16px 0;
    padding: 4px 0 4px 18px;
    color: var(--muted);
    font-style: italic;
}

article.spec hr {
    border: none;
    border-top: 1px solid var(--rule);
    margin: 36px 0;
}

article.spec table {
    width: 100%;
    border-collapse: collapse;
    margin: 0 0 22px;
    font-size: 14px;
}

article.spec th,
article.spec td {
    text-align: left;
    padding: 8px 10px;
    border-bottom: 1px solid var(--rule);
    vertical-align: top;
}

article.spec th {
    color: var(--text);
    font-weight: 600;
    border-bottom: 2px solid var(--rule);
}

article.spec td code {
    background: transparent;
    border: none;
    padding: 0;
    color: var(--kw);
}

/* Anchor link icons next to headings (markdown-toc plugin) */

article.spec .headerlink {
    color: var(--dim);
    text-decoration: none;
    font-size: 0.85em;
    margin-left: 6px;
    opacity: 0;
    transition: opacity 120ms ease;
    border-bottom: none;
}

article.spec h1:hover .headerlink,
article.spec h2:hover .headerlink,
article.spec h3:hover .headerlink,
article.spec h4:hover .headerlink {
    opacity: 1;
}

article.spec .headerlink:hover {
    color: var(--accent);
}

/* Footnotes — the markdown extension renders them as a section at the bottom */

article.spec .footnote {
    margin-top: 56px;
    padding-top: 24px;
    border-top: 1px solid var(--rule);
    font-size: 14px;
}

article.spec .footnote ol {
    padding-left: 22px;
    color: var(--muted);
}