/* Home landing page (docs/index.md), sidebar-free via `hide: navigation, toc`. The
   hero banner is full-bleed — edge to edge, flush under the header — while the prose
   and cards sit in a centred reading column the width of every other page. Scoped by
   `:has(.hero)`, a marker only the landing page carries. A full-bleed banner needs a
   sidebar-free page (it would otherwise paint over the nav), so these rules are the
   direct cost of that, not a workaround. */

/* Sidebar-free hands the article the full 61rem grid; keep the reading column at the
   width other pages get (that grid less the two 12.1rem sidebars and ~1.2rem padding)
   and centre it, so the prose lines up with the rest of the docs. */
body:has(.hero) .md-content__inner {
  max-width: 34.4rem;
  margin-inline: auto;
  padding-top: 0; /* banner flush under the header */
}
body:has(.hero) .md-content__inner::before {
  display: none; /* drop Material's .4rem top-spacer pseudo */
}
body:has(.hero) .md-main__inner {
  margin-top: 0; /* drop the grid's top gap so the banner meets the header */
}
body:has(.hero) .md-content__button {
  display: none; /* a hero landing page needs no "edit this page" button */
}
body:has(.hero) .md-typeset > h1 {
  display: none; /* Material injects an <h1>Home</h1> when a page has no heading; the
                    banner is the title here, so drop it (its alt text names the page) */
}

/* The banner breaks out of the reading column to span the viewport; Material's
   `html { overflow-x: hidden }` clips the 100vw strip cleanly to the edges. */
.md-typeset p:has(> .hero) {
  margin: 0 0 1.2rem; /* neutralise the wrapping paragraph so the banner sits flush */
}
.md-typeset .hero {
  display: block;
  width: 100vw;
  max-width: none; /* override Material's `.md-typeset img { max-width: 100% }` so 100vw wins */
  margin-left: calc(50% - 50vw);
  height: clamp(200px, 26vw, 360px);
  object-fit: cover; /* crop the ~3.4:1 lockup to the strip height; it's centred, so it survives */
  object-position: center;
}

/* Shrink the wordmark in the header (default is 1.2rem) */
.md-header__button.md-logo img {
  height: 0.7rem;
}

/* The mobile nav drawer header stacks the logo over the site name, but the logo
   wordmark already reads "nexus", so the text label below is a redundant second
   "nexus". The logo is absolutely positioned, so zeroing the font hides the
   text node without shrinking the logo; collapse the empty space it left. */
.md-nav__title[for="__drawer"] {
  font-size: 0;
  height: 3.8rem;
  padding-top: 0;
}

/* The wordmark logo already reads "nexus", so hide the redundant site-name
   topic in the header. Material stacks two topics — site name first, page title
   second — and swaps them on scroll; with the first hidden, the page title slides
   in via the default morph only once scrolled down (when the tabs are gone). */
.md-header__topic:first-child {
  display: none;
}

/* Uniform heading treatment across ALL docs pages: h3 section headings carry a
   bottom rule (Material's `hr` idiom — h1/h2 have none), h4 matches h3's size and
   both are non-bold, so the rule under h3 alone distinguishes a section heading
   from the titles beneath it. h5 is non-bold too. */
.md-typeset h3 {
  border-bottom: .05rem solid var(--md-default-fg-color--lightest);
  padding-bottom: .2rem;
}
.md-typeset h4 {
  font-size: 1.25em; /* = h3 */
  font-weight: 400;
}
.md-typeset h5 {
  font-weight: 400;
}

/* The interface-diagram plugin's diagram.css (loaded after this file) re-sizes h4
   to 1.15em and rules it on the diagram pages; the leading `body` out-specifies it
   so the uniform treatment above wins there too — no !important. */
body .md-typeset:has(a.diagram-link) h4 {
  font-size: 1.25em;
  border-bottom: none;
  padding-bottom: 0;
}

/* Benchmark trend panels (docs/reference/benchmarking.md), which javascripts/bench-trends.js
   draws from the per-commit bench feed: one small SVG per gated metric under its example,
   in the text colour so both themes read. */
.md-typeset .bench-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}
.md-typeset .bench-figure {
  margin: 0;
  width: 240px;
  max-width: 100%;
}
.md-typeset .bench-figure figcaption {
  font-size: 0.65rem;
  font-family: var(--md-code-font-family);
  text-align: left;
}
.bench-panel {
  width: 100%;
  height: auto;
  display: block;
  color: var(--md-default-fg-color);
}
.bench-line {
  fill: none;
  stroke: var(--md-accent-fg-color);
  stroke-width: 1.5;
}
.bench-point {
  fill: var(--md-accent-fg-color);
}
.bench-point:hover {
  r: 5;
}
.bench-gate {
  stroke: currentColor;
  stroke-dasharray: 4 3;
  opacity: 0.6;
}
.bench-label {
  fill: currentColor;
  font-size: 9px;
  opacity: 0.8;
}