/* mwfl site — a Fluent-inspired design derived from the project mark:
   luminous cyan, Windows blue, and electric violet on a clean neutral base. */

:root {
  color-scheme: light;
  --bg: #f7f9ff;
  --glow-a: rgba(113, 217, 255, .32);
  --glow-b: rgba(98, 120, 245, .18);
  --surface: #ffffff;
  --surface-2: #edf3ff;
  --text: #171957;
  --muted: #566383;
  --line: #dce5f5;
  --line-strong: #bcccf0;
  --accent: #3949c9;
  --accent-soft: rgba(98, 120, 245, .12);
  --chip-line: #bfd5fa;
  --chip-bg: #eef6ff;
  --card-shadow: 0 1px 2px rgba(23, 25, 87, .05), 0 12px 34px rgba(57, 73, 201, .09);
  --card-shadow-hover: 0 3px 7px rgba(23, 25, 87, .08), 0 20px 48px rgba(57, 73, 201, .17);
  --header-bg: rgba(247, 249, 255, .84);
  --code-bg: #f5f8ff;
  --code-bg-2: #e8efff;
  --code-line: #c4d2f3;
  --code-text: #20295f;
  --code-muted: #68769d;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #070b18;
  --glow-a: rgba(53, 185, 237, .18);
  --glow-b: rgba(91, 70, 230, .16);
  --surface: #0e1529;
  --surface-2: #151e38;
  --text: #f4f7ff;
  --muted: #a9b5d1;
  --line: #263455;
  --line-strong: #3d5282;
  --accent: #7ddcff;
  --accent-soft: rgba(83, 177, 245, .12);
  --chip-line: #385581;
  --chip-bg: #13213c;
  --card-shadow: 0 1px 2px rgba(0, 0, 0, .45), 0 16px 42px rgba(0, 0, 0, .32);
  --card-shadow-hover: 0 3px 8px rgba(0, 0, 0, .5), 0 24px 56px rgba(31, 61, 137, .3);
  --header-bg: rgba(7, 11, 24, .84);
  --code-bg: #080e20;
  --code-bg-2: #111a33;
  --code-line: #2b3b62;
  --code-text: #edf4ff;
  --code-muted: #9aabd0;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    color-scheme: dark;
    --bg: #070b18;
    --glow-a: rgba(53, 185, 237, .18);
    --glow-b: rgba(91, 70, 230, .16);
    --surface: #0e1529;
    --surface-2: #151e38;
    --text: #f4f7ff;
    --muted: #a9b5d1;
    --line: #263455;
    --line-strong: #3d5282;
    --accent: #7ddcff;
    --accent-soft: rgba(83, 177, 245, .12);
    --chip-line: #385581;
    --chip-bg: #13213c;
    --card-shadow: 0 1px 2px rgba(0, 0, 0, .45), 0 16px 42px rgba(0, 0, 0, .32);
    --card-shadow-hover: 0 3px 8px rgba(0, 0, 0, .5), 0 24px 56px rgba(31, 61, 137, .3);
    --header-bg: rgba(7, 11, 24, .84);
    --code-bg: #080e20;
    --code-bg-2: #111a33;
    --code-line: #2b3b62;
    --code-text: #edf4ff;
    --code-muted: #9aabd0;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background:
    radial-gradient(60rem 34rem at 84% -8%, var(--glow-a), transparent 70%),
    radial-gradient(48rem 30rem at -10% 30%, var(--glow-b), transparent 70%),
    var(--bg);
  color: var(--text);
  font-family: "Segoe UI Variable Text", "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { font-family: "Segoe UI Variable Display", "Segoe UI", system-ui, sans-serif; }
code, pre, kbd { font-family: "Cascadia Code", "Cascadia Mono", Consolas, "SFMono-Regular", Menlo, monospace; }

a { color: var(--accent); text-underline-offset: .18em; }
a:hover { text-decoration-thickness: 2px; }

::selection { background: rgba(98, 120, 245, .28); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }

.skip-link {
  position: absolute; top: -3rem; left: 1rem; z-index: 100;
  padding: .5rem .9rem; border-radius: .5rem;
  background: var(--accent); color: #fff; text-decoration: none;
  transition: top .15s ease;
}
.skip-link:focus-visible { top: .6rem; }

.shell { width: min(1120px, calc(100% - 2.5rem)); margin: 0 auto; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 40;
  border-bottom: 1px solid var(--line);
  background: var(--header-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}
.nav { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 3.75rem; }
.brand { display: inline-flex; align-items: center; gap: .55rem; color: var(--text); text-decoration: none; font-weight: 700; letter-spacing: .03em; }
.brand img { width: 30px; height: 30px; border-radius: 8px; box-shadow: 0 5px 18px rgba(56, 140, 233, .38); }
.nav-links { display: flex; align-items: center; gap: .25rem; }
.nav-menu-toggle {
  display: none; position: relative; align-items: center; justify-content: center;
  width: 2.5rem; height: 2.5rem; padding: 0;
  border: 1px solid var(--line); border-radius: .55rem;
  background: var(--surface); color: var(--text);
  cursor: pointer;
}
.nav-menu-toggle:hover { border-color: var(--line-strong); background: var(--surface-2); }
.nav-menu-toggle span {
  position: absolute; width: 1rem; height: 1.5px; border-radius: 1px;
  background: currentColor; transition: transform .16s ease, opacity .16s ease;
}
.nav-menu-toggle span:nth-child(1) { transform: translateY(-5px); }
.nav-menu-toggle span:nth-child(3) { transform: translateY(5px); }
.nav-menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: rotate(45deg); }
.nav-menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: rotate(-45deg); }
.nav-links a {
  padding: .42rem .8rem; border-radius: .5rem;
  color: var(--muted); text-decoration: none; font-size: .95rem;
}
.nav-links a:hover { color: var(--text); background: var(--accent-soft); }
.nav-links a.active { color: var(--text); font-weight: 600; background: var(--accent-soft); }

.theme-toggle {
  display: inline-flex; align-items: center; justify-content: center;
  width: 2.2rem; height: 2.2rem; margin-left: .35rem;
  border: 1px solid var(--line); border-radius: .55rem;
  background: var(--surface); color: var(--text);
  font-size: 1rem; line-height: 1; cursor: pointer;
}
.theme-toggle:hover { border-color: var(--line-strong); background: var(--surface-2); }
.theme-toggle::before { content: "☾"; }
:root[data-theme="dark"] .theme-toggle::before { content: "☀"; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) .theme-toggle::before { content: "☀"; }
}

/* ---------- Type ---------- */
.eyebrow {
  color: var(--accent);
  font: 600 .78rem/1.3 "Cascadia Code", Consolas, monospace;
  letter-spacing: .12em; text-transform: uppercase;
}
h1 { margin: .7rem 0 1.1rem; font-size: clamp(2.3rem, 5.4vw, 3.9rem); font-weight: 650; line-height: 1.06; letter-spacing: -.03em; }
h2 { margin-top: 0; font-size: clamp(1.5rem, 3.4vw, 2.1rem); font-weight: 650; letter-spacing: -.02em; }
h3 { margin-bottom: .35rem; font-weight: 650; }
.lede { max-width: 44rem; color: var(--muted); font-size: 1.12rem; }

/* ---------- Buttons ---------- */
.actions { display: flex; flex-wrap: wrap; gap: .7rem; margin-top: 1.8rem; }
.button {
  display: inline-flex; align-items: center; gap: .45rem;
  padding: .66rem 1.15rem; border: 1px solid var(--line-strong); border-radius: .55rem;
  color: var(--text); text-decoration: none; font-weight: 600; font-size: .97rem;
  background: var(--surface);
  transition: background .12s ease, border-color .12s ease, transform .12s ease;
}
.button:hover { background: var(--surface-2); }
.button.primary {
  border-color: transparent; color: #fff;
  background: linear-gradient(135deg, #35b9ed, #388ce9 48%, #493bc4);
  box-shadow: 0 8px 24px rgba(57, 73, 201, .30);
}
.button.primary:hover { filter: brightness(1.07); background: linear-gradient(135deg, #35b9ed, #388ce9 48%, #493bc4); }
.button:active { transform: translateY(1px); }

/* ---------- Hero ---------- */
.hero { padding: 5rem 0 3.5rem; }
.home-hero {
  display: grid; grid-template-columns: minmax(0, .88fr) minmax(0, 1.12fr);
  gap: 2.25rem; align-items: center; padding: 4.5rem 0 3.5rem;
}
.home-hero h1 { font-size: clamp(2.5rem, 5.6vw, 4.2rem); }
.hero-demo { min-width: 0; margin: 0; }
.hero-demo pre {
  overflow-x: hidden;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  font-size: clamp(.75rem, 1.05vw, .9rem);
}
.hero-demo figcaption, .demo-caption { margin-top: .6rem; color: var(--muted); font-size: .85rem; text-align: center; }

.showcase-figure {
  margin: 2rem 0 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 1.15rem;
  background: #0b1730;
  box-shadow: 0 24px 64px rgba(7, 18, 42, .18);
}
.showcase-figure img { display: block; width: 100%; height: auto; aspect-ratio: 8 / 5; }
.showcase-figure figcaption {
  padding: .8rem 1rem;
  border-top: 1px solid rgba(255, 255, 255, .12);
  background: var(--surface);
  color: var(--muted);
  font-size: .86rem;
  text-align: center;
}
.showcase-reel { max-width: 960px; margin-inline: auto; margin-top: 1.25rem; }

.stat-strip {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px;
  margin: 0 auto 1rem; overflow: hidden;
  border: 1px solid var(--line); border-radius: .8rem; background: var(--line);
}
.stat-strip div { display: grid; gap: .1rem; padding: 1rem 1.25rem; background: var(--surface); }
.stat-strip strong { font-size: 1.35rem; font-weight: 650; letter-spacing: -.02em; color: var(--accent); }
.stat-strip span { color: var(--muted); font-size: .86rem; }

/* ---------- Cards ---------- */
.section { padding: 3.5rem 0; }
.section > .lede { margin-bottom: .5rem; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1rem; margin-top: 1.8rem; }
.card {
  padding: 1.35rem 1.4rem; border: 1px solid var(--line); border-radius: .8rem;
  background: var(--surface); box-shadow: var(--card-shadow);
}
.card p { margin-bottom: 0; color: var(--muted); }
.tag {
  display: inline-block; margin-bottom: .35rem; padding: .13rem .55rem;
  border: 1px solid var(--chip-line); border-radius: 99px;
  color: var(--accent); background: var(--chip-bg); font-size: .77rem; font-weight: 600;
}

/* ---------- Code: Windows-window chrome ---------- */
pre {
  overflow-x: auto; padding: 1.1rem 1.2rem;
  border: 1px solid var(--code-line); border-radius: .7rem;
  background: linear-gradient(150deg, var(--code-bg), var(--code-bg-2));
  color: var(--code-text); font-size: .92rem; line-height: 1.55;
  tab-size: 4;
}
code:not(pre code) {
  padding: .1rem .35rem; border-radius: .3rem;
  background: var(--surface-2); color: var(--accent); font-size: .92em;
  overflow-wrap: anywhere;
}

.window {
  margin: 1.2rem 0; overflow: hidden;
  border: 1px solid var(--code-line); border-radius: .75rem;
  background: var(--code-bg);
  box-shadow: var(--card-shadow);
}
.window-bar {
  display: flex; align-items: center; gap: .8rem;
  padding: .5rem .65rem .5rem 1rem;
  border-bottom: 1px solid var(--code-line);
  background: var(--code-bg-2);
}
.window-title {
  flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  color: var(--code-muted); font: 500 .78rem/1.4 "Cascadia Code", Consolas, monospace;
}
.window-glyphs {
  color: var(--code-muted); font: .8rem/1 "Segoe UI Symbol", "Cascadia Code", monospace;
  letter-spacing: .65em; user-select: none; white-space: nowrap;
}
.window pre { margin: 0; border: 0; border-radius: 0; background: transparent; }

.copy-btn {
  padding: .28rem .6rem; border: 1px solid var(--code-line); border-radius: .4rem;
  background: transparent; color: var(--code-muted);
  font: 500 .74rem/1.3 "Segoe UI Variable Text", "Segoe UI", sans-serif; cursor: pointer;
  transition: color .12s ease, border-color .12s ease;
}
.copy-btn:hover { color: var(--code-text); border-color: var(--code-muted); }
.copy-btn.copied { color: #15803d; border-color: #4ade80; }
:root[data-theme="dark"] .copy-btn.copied { color: #86efac; border-color: #4ade80; }

/* Syntax colors follow the cyan, blue, and violet facets in the mark. */
.syntax-keyword { color: #6b35ce; font-weight: 600; }
.syntax-type { color: #087fa8; }
.syntax-string { color: #315fbd; }
.syntax-number { color: #1766cc; }
.syntax-comment { color: #7a86a6; font-style: italic; }
.syntax-preprocessor { color: #087fa8; }

:root[data-theme="dark"] .syntax-keyword { color: #c7a7ff; }
:root[data-theme="dark"] .syntax-type { color: #71d9ff; }
:root[data-theme="dark"] .syntax-string { color: #a6c7ff; }
:root[data-theme="dark"] .syntax-number { color: #8be0ff; }
:root[data-theme="dark"] .syntax-comment { color: #8797c2; }
:root[data-theme="dark"] .syntax-preprocessor { color: #77ddff; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) .copy-btn.copied { color: #86efac; border-color: #4ade80; }
  :root:not([data-theme]) .syntax-keyword { color: #c7a7ff; }
  :root:not([data-theme]) .syntax-type { color: #71d9ff; }
  :root:not([data-theme]) .syntax-string { color: #a6c7ff; }
  :root:not([data-theme]) .syntax-number { color: #8be0ff; }
  :root:not([data-theme]) .syntax-comment { color: #8797c2; }
  :root:not([data-theme]) .syntax-preprocessor { color: #77ddff; }
}

/* ---------- Content blocks ---------- */
.prose { max-width: 850px; padding: 3rem 0 5rem; }
.prose p, .prose li { color: var(--muted); }
.prose strong { color: var(--text); }
.callout {
  padding: .9rem 1.2rem; border-left: 3px solid var(--accent); border-radius: 0 .5rem .5rem 0;
  background: var(--surface); color: var(--muted);
}
.callout strong { color: var(--text); }

.quick-code {
  display: grid; grid-template-columns: minmax(220px, .68fr) minmax(0, 1.32fr);
  gap: 3rem; align-items: center; padding: 2.8rem 0; border-top: 1px solid var(--line);
}
.quick-code p { color: var(--muted); }
.quick-code .window { margin: 0; }

.home-strip {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px;
  margin: 3rem auto 5rem; overflow: hidden;
  border: 1px solid var(--line); border-radius: .8rem; background: var(--line);
}
.home-strip div { display: grid; gap: .25rem; padding: 1.25rem; background: var(--surface); }
.home-strip span { color: var(--muted); font-size: .9rem; }

.cta-band {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1.2rem;
  margin: 3.5rem auto; padding: 2rem 2.2rem;
  border: 1px solid var(--line); border-radius: 1rem;
  background: linear-gradient(135deg, var(--surface), var(--surface-2));
  box-shadow: var(--card-shadow);
}
.cta-band h2 { margin: 0 0 .2rem; }
.cta-band p { margin: 0; color: var(--muted); }
.cta-band .actions { margin: 0; }

/* ---------- Example catalog ---------- */
.example-catalog {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 1rem; margin-top: 2rem;
}
.example-card {
  display: grid; grid-template-rows: auto auto 1fr; overflow: hidden;
  border: 1px solid var(--line); border-radius: .8rem;
  color: var(--text); text-decoration: none; background: var(--surface);
  box-shadow: var(--card-shadow);
  transition: transform .16s ease, box-shadow .16s ease, border-color .16s ease;
}
.example-card:hover { transform: translateY(-3px); border-color: var(--line-strong); box-shadow: var(--card-shadow-hover); }
.example-card img {
  width: 100%; height: 148px; object-fit: cover; object-position: top left;
  border-bottom: 1px solid var(--line); background: #fff;
}
.example-card strong { padding: .85rem 1rem 0; font-weight: 650; }
.example-card span { padding: .2rem 1rem 1rem; color: var(--muted); font-size: .84rem; }
.catalog-more { margin: 1.4rem 0 0; text-align: center; }
.catalog-more a { font-weight: 600; }

.example-viewer {
  width: min(1120px, calc(100vw - 2rem)); max-width: none; max-height: calc(100vh - 2rem);
  padding: 0; overflow: hidden; border: 1px solid var(--line-strong); border-radius: 1rem;
  color: var(--text); background: var(--surface); box-shadow: 0 30px 90px rgba(23, 25, 87, .28);
}
.example-viewer::backdrop { background: rgba(0, 0, 0, .72); backdrop-filter: blur(8px); }
.example-viewer-frame { display: grid; grid-template-rows: auto minmax(0, 1fr) auto; max-height: calc(100vh - 2rem); }
.example-viewer-bar, .example-viewer-actions {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: .9rem 1rem; border-bottom: 1px solid var(--line); background: var(--surface-2);
}
.example-viewer-bar > div { display: flex; align-items: baseline; gap: .75rem; min-width: 0; }
.example-viewer-description { overflow: hidden; color: var(--muted); font-size: .86rem; text-overflow: ellipsis; white-space: nowrap; }
.example-viewer-close {
  flex: 0 0 auto; width: 2.25rem; height: 2.25rem; border: 1px solid var(--line); border-radius: .55rem;
  color: var(--muted); background: var(--surface); font: 1.4rem/1 system-ui; cursor: pointer;
}
.example-viewer-close:hover { color: var(--text); border-color: var(--line-strong); }
.example-viewer-canvas { display: grid; place-items: center; min-height: 0; padding: 1rem; overflow: auto; background: #eef3ff; }
.example-viewer-canvas img { display: block; max-width: 100%; max-height: calc(100vh - 10rem); width: auto; height: auto; border-radius: .4rem; box-shadow: 0 12px 40px rgba(23, 25, 87, .18); }
.example-viewer-actions { border-top: 1px solid var(--line); border-bottom: 0; }
.example-viewer-actions > span { color: var(--muted); font-size: .82rem; }
.example-viewer-actions .button { min-height: 2.7rem; padding: .65rem 1rem; }
:root[data-theme="dark"] .example-viewer-canvas { background: #050505; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) .example-viewer-canvas { background: #050505; }
}

/* ---------- Guide (building.html) ---------- */
.guide { max-width: 960px; }
.guide h1 { max-width: 850px; }
.guide section { scroll-margin-top: 5rem; padding: 3.2rem 0; border-top: 1px solid var(--line); }
.guide section h2 { margin-top: .55rem; }
.page-toc { display: flex; flex-wrap: wrap; gap: .5rem; margin: 2rem 0 2.5rem; }
.page-toc a {
  padding: .35rem .85rem; border: 1px solid var(--line); border-radius: 99px;
  background: var(--surface); color: var(--muted); text-decoration: none; font-size: .88rem;
}
.page-toc a:hover { color: var(--text); border-color: var(--line-strong); background: var(--surface-2); }
.requirements {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px;
  margin: 2.2rem 0 1rem; overflow: hidden;
  border: 1px solid var(--line); border-radius: .8rem; background: var(--line);
}
.requirements div { display: grid; gap: .25rem; padding: 1.1rem 1.25rem; background: var(--surface); }
.requirements span { color: var(--muted); }

/* ---------- Docs layout (components) ---------- */
.docs-topbar { padding: 0 max(1.25rem, calc((100% - 1400px) / 2)); }
.docs-topbar .nav { min-height: 3.75rem; }
.docs-layout { display: grid; grid-template-columns: 250px minmax(0, 1fr); width: min(1440px, 100%); margin: 0 auto; }
.docs-sidebar {
  position: sticky; top: 3.8rem; height: calc(100vh - 3.8rem);
  padding: 2rem 1.5rem; overflow-y: auto; border-right: 1px solid var(--line);
}
.sidebar-title { margin-bottom: 1.2rem; font-size: 1rem; font-weight: 700; }
.docs-sidebar nav { display: grid; }
.docs-sidebar nav span {
  margin: 1.3rem 0 .4rem; color: var(--muted);
  font: 700 .68rem/1.2 "Cascadia Code", Consolas, monospace;
  letter-spacing: .09em; text-transform: uppercase; opacity: .8;
}
.docs-sidebar nav a {
  padding: .34rem .65rem; border-left: 2px solid var(--line); border-radius: 0 .4rem .4rem 0;
  color: var(--muted); text-decoration: none; font-size: .92rem;
}
.docs-sidebar nav a:hover { border-color: var(--accent); color: var(--text); background: var(--accent-soft); }
.docs-content { min-width: 0; max-width: 1120px; padding: 0 3.5rem 6rem; }
.docs-intro { padding: 4rem 0 3.5rem; border-bottom: 1px solid var(--line); }
.docs-intro h1 { max-width: 780px; }
.docs-intro p { max-width: 760px; color: var(--muted); font-size: 1.08rem; }
.doc-section { scroll-margin-top: 5rem; padding: 3.5rem 0; border-bottom: 1px solid var(--line); }
.doc-heading {
  display: grid; grid-template-columns: minmax(220px, .75fr) minmax(260px, 1.25fr);
  gap: 2rem; margin-bottom: 1.5rem; align-items: end;
}
.doc-heading h2 { margin: .5rem 0 0; }
.doc-heading p { margin: 0; color: var(--muted); }
.example-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(300px, .95fr); gap: 1rem; align-items: start; }
.example-grid .window, .code-panel { margin: 0; }
.code-panel { min-width: 0; }
.code-panel.compact { max-width: 800px; }
.docs-content pre { white-space: pre-wrap; overflow-wrap: anywhere; }
.preview-panel {
  display: flex; flex-direction: column; margin: 0; overflow: hidden;
  border: 1px solid var(--line); border-radius: .75rem;
  background: var(--surface); box-shadow: var(--card-shadow);
}
.preview-panel img { display: block; width: 100%; height: auto; background: #fff; }
.preview-panel figcaption { padding: .7rem 1rem; border-top: 1px solid var(--line); color: var(--muted); font-size: .82rem; }
.result-note, .native-note {
  display: grid; align-content: center; gap: .45rem; padding: 1.4rem;
  border: 1px solid var(--line); border-radius: .75rem;
  background: var(--surface); color: var(--muted); box-shadow: var(--card-shadow);
}
.result-note strong, .native-note strong { color: var(--text); }
.native-note { margin-top: 1rem; }
.source-link { margin: 1.5rem 0 0; }
.component-catalog { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 1rem; }
.component-card {
  display: flex; min-width: 0; flex-direction: column; overflow: hidden;
  border: 1px solid var(--line); border-radius: .8rem;
  background: var(--surface); box-shadow: var(--card-shadow);
}
.component-card img {
  width: 100%; height: 130px; object-fit: cover; object-position: top left;
  border-bottom: 1px solid var(--line); background: #fff;
}
.component-card h3 { margin: .9rem 1rem .35rem; font-size: 1.02rem; }
.component-card pre { min-height: 4.6rem; margin: 0 1rem .8rem; padding: .7rem .8rem; font-size: .77rem; }
.component-card a { margin: auto 1rem 1rem; font-size: .86rem; font-weight: 600; }

/* ---------- Complete capability catalog ---------- */
.catalog-nav-link { font-weight: 700; color: var(--accent) !important; }
.catalog-page { padding-bottom: 6rem; }
.catalog-hero { max-width: 920px; padding: 5rem 0 2.5rem; }
.catalog-hero h1 { margin-bottom: 1.25rem; }
.catalog-hero > p { max-width: 800px; color: var(--muted); font-size: 1.08rem; }
.catalog-stats { display: flex; flex-wrap: wrap; gap: .7rem; margin-top: 2rem; }
.catalog-stats span { padding: .65rem .9rem; border: 1px solid var(--line); border-radius: 999px; background: var(--surface); color: var(--muted); }
.catalog-stats strong { color: var(--text); }
.catalog-tools { position: sticky; z-index: 5; top: 0; padding: 1rem 0; border-bottom: 1px solid var(--line); background: color-mix(in srgb, var(--background) 92%, transparent); backdrop-filter: blur(14px); }
.catalog-tools label { display: block; margin-bottom: .45rem; font-size: .82rem; font-weight: 700; }
.catalog-tools input { width: min(680px, 100%); padding: .8rem 1rem; border: 1px solid var(--line-strong); border-radius: .65rem; background: var(--surface); color: var(--text); font: inherit; }
.catalog-tools input:focus { outline: 3px solid var(--accent-soft); border-color: var(--accent); }
.catalog-filters { display: flex; flex-wrap: wrap; gap: .45rem; margin-top: .8rem; }
.catalog-filters button { padding: .48rem .75rem; border: 1px solid var(--line); border-radius: 999px; background: var(--surface); color: var(--muted); cursor: pointer; }
.catalog-filters button:hover, .catalog-filters button.active { border-color: var(--accent); background: var(--accent-soft); color: var(--text); }
.catalog-result { margin: .7rem 0 0; color: var(--muted); font-size: .86rem; }
.capability-group { padding: 3rem 0 1rem; }
.capability-group > h2 { margin-bottom: 1.25rem; }
.capability-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 1rem; }
.capability-card { display: flex; min-width: 0; flex-direction: column; padding: 1.25rem; border: 1px solid var(--line); border-radius: .9rem; background: var(--surface); box-shadow: var(--card-shadow); }
.capability-card[hidden], .capability-group[hidden] { display: none; }
.capability-kind { color: var(--accent); font: 700 .68rem/1.2 "Cascadia Code", Consolas, monospace; letter-spacing: .07em; text-transform: uppercase; }
.capability-card h3 { margin: .5rem 0 .7rem; font-size: 1.12rem; }
.capability-card > p { margin: 0 0 .9rem; color: var(--muted); }
.capability-symbols, .capability-headers { display: flex; flex-wrap: wrap; gap: .35rem; margin-bottom: .75rem; }
.capability-symbols code, .capability-headers code { overflow-wrap: anywhere; }
.capability-headers { opacity: .75; font-size: .78rem; }
.capability-card nav { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: auto; padding-top: .5rem; }
.capability-card nav a { font-size: .86rem; font-weight: 700; }
.capability-card details { margin-top: 1rem; padding-top: .8rem; border-top: 1px solid var(--line); color: var(--muted); font-size: .82rem; }
.capability-card summary { color: var(--text); cursor: pointer; font-weight: 700; }
.catalog-reference, .catalog-next { display: grid; grid-template-columns: minmax(0, 1fr) minmax(320px, .8fr); gap: 2rem; align-items: center; margin-top: 4rem; padding: 2rem; border: 1px solid var(--line); border-radius: 1rem; background: var(--surface-2); }
.catalog-reference .window { margin: 0; }
.usage-library { padding: 5rem 0 2rem; }
.usage-library > p { max-width: 760px; color: var(--muted); }
.usage-columns { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 2rem; }
.usage-list { columns: 2; padding: 0; list-style: none; }
.usage-list li { break-inside: avoid; margin: 0 0 .55rem; }
.catalog-next { grid-template-columns: minmax(0, 1fr) auto; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--line); }
.footer {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: .8rem;
  padding: 2rem 0 2.5rem; color: var(--muted); font-size: .9rem;
}
.footer nav { display: flex; flex-wrap: wrap; gap: 1.1rem; }
.footer a { color: var(--muted); }
.footer a:hover { color: var(--text); }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .home-hero { grid-template-columns: 1fr; gap: 2.2rem; padding-top: 3.2rem; }
  .stat-strip { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .nav { position: relative; flex-wrap: wrap; gap: .5rem; padding: .4rem 0; }
  .brand { font-size: .95rem; }
  .brand img { width: 26px; height: 26px; }
  .nav-menu-toggle { display: inline-flex; }
  .nav-links {
    display: none; position: absolute; top: calc(100% + .45rem); right: 0;
    width: min(25rem, 100%); align-items: stretch; gap: .2rem;
    padding: .55rem; border: 1px solid var(--line); border-radius: .8rem;
    background: var(--surface); box-shadow: var(--card-shadow-hover);
  }
  .nav-links.nav-links-open { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .nav-links a { min-width: 0; padding: .6rem .7rem; font-size: .92rem; }
  .theme-toggle { width: 2.5rem; height: 2.5rem; margin-left: auto; }
  .hero { padding-top: 3rem; }
  .hero-demo pre {
    overflow-x: auto;
    white-space: pre;
    overflow-wrap: normal;
    font-size: .78rem;
    overscroll-behavior-x: contain;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
  }
  .hero-demo pre::-webkit-scrollbar { display: none; }
  .quick-code, .home-strip, .doc-heading, .example-grid, .requirements, .catalog-reference, .catalog-next, .usage-columns { grid-template-columns: 1fr; }
  .capability-grid { grid-template-columns: 1fr; }
  .usage-list { columns: 1; }
  .cta-band { padding: 1.5rem 1.3rem; }
  .docs-topbar { padding: 0 1rem; }
  .docs-layout { display: block; }
  .docs-sidebar { position: static; width: 100%; height: auto; border-right: 0; border-bottom: 1px solid var(--line); }
  .docs-sidebar nav { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .docs-sidebar nav span { grid-column: 1 / -1; }
  .docs-content { padding: 0 1.25rem 4rem; }
  .docs-intro { padding-top: 2.5rem; }
}

@media (max-width: 480px) {
  .nav-links.nav-links-open { grid-template-columns: 1fr; }
  .example-viewer {
    width: 100vw; height: 100dvh; max-height: 100dvh; margin: 0;
    border: 0; border-radius: 0;
  }
  .example-viewer-frame { height: 100dvh; max-height: 100dvh; }
  .example-viewer-bar {
    padding: max(.65rem, env(safe-area-inset-top)) .75rem .65rem;
  }
  .example-viewer-bar > div { min-width: 0; }
  .example-viewer-bar strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .example-viewer-description, .example-viewer-actions > span { display: none; }
  .example-viewer-canvas { padding: .5rem; overflow: hidden; }
  .example-viewer-canvas img {
    max-width: 100%; max-height: 100%; object-fit: contain; border-radius: .25rem;
  }
  .example-viewer-actions {
    justify-content: flex-end;
    padding: .65rem max(.75rem, env(safe-area-inset-right)) max(.65rem, env(safe-area-inset-bottom)) max(.75rem, env(safe-area-inset-left));
  }
  .example-viewer-actions .button { width: 100%; justify-content: center; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
  .example-card:hover { transform: none; }
}