/* Fendlemark documentation styles. Hand-written; no build step. */

/* Inter and JetBrains Mono (SIL OFL 1.1; licences in /assets/fonts/), variable, Latin subsets. */
@font-face { font-family: "Inter"; font-style: normal; font-weight: 400 700; font-display: swap; src: url(/assets/fonts/inter-latin.woff2) format("woff2"); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: "Inter"; font-style: normal; font-weight: 400 700; font-display: swap; src: url(/assets/fonts/inter-latin-ext.woff2) format("woff2"); unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF; }
@font-face { font-family: "JetBrains Mono"; font-style: normal; font-weight: 400 600; font-display: swap; src: url(/assets/fonts/jetbrains-mono-latin.woff2) format("woff2"); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: "JetBrains Mono"; font-style: normal; font-weight: 400 600; font-display: swap; src: url(/assets/fonts/jetbrains-mono-latin-ext.woff2) format("woff2"); unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF; }
/* Local fallbacks scaled to the web fonts' metrics, so the swap does not move the page. */
@font-face { font-family: "Inter Fallback"; src: local("Arial"); size-adjust: 107.48%; ascent-override: 90.14%; descent-override: 22.44%; line-gap-override: 0%; }
@font-face { font-family: "JetBrains Mono Fallback"; src: local("Menlo"); size-adjust: 99.66%; ascent-override: 102.35%; descent-override: 30.1%; line-gap-override: 0%; }
@font-face { font-family: "JetBrains Mono Fallback 2"; src: local("Courier New"); size-adjust: 99.98%; ascent-override: 102.02%; descent-override: 30%; line-gap-override: 0%; }

/* ---------- Tokens ---------- */
:root {
  color-scheme: light dark;
  --font-sans: "Inter", "Inter Fallback", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-mono: "JetBrains Mono", "JetBrains Mono Fallback", "JetBrains Mono Fallback 2", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --paper: #f6f9f8;
  --surface: #ffffff;
  --sunken: #ecf2f0;
  --ink: #12201d;
  --ink-2: #43544f;
  --ink-3: #56685f;
  --rule: #d9e3e0;
  --rule-strong: #b3c4be;
  --teal: #0f5c54;
  --teal-strong: #0a4740;
  --teal-soft: #e0eeea;
  --teal-tint: #eef6f3;
  --teal-line: #7fb0a7;
  --on-teal: #ffffff;
  --focus: #0f5c54;
  --ring: var(--focus);
  --inline-bg: #e4eeeb;
  --inline-fg: #163933;
  --code-bg: #0f2421;
  --code-bar: #0c1e1b;
  --code-border: #0f2421;
  --code-rule: #20403b;
  --code-fg: #dce9e5;
  --code-label: #9fb8b2;
  --code-key: #86d6c8;
  --code-str: #e9c690;
  --code-com: #93aca6;
  --code-prompt: #86a19b;
  --code-focus: #86d6c8;
  --grid: rgba(15, 92, 84, .07);
  --shadow-1: 0 1px 2px rgba(16, 42, 38, .05), 0 6px 20px -10px rgba(16, 42, 38, .18);
  --shadow-code: 0 1px 1px rgba(10, 30, 27, .08), 0 14px 32px -18px rgba(10, 30, 27, .45);

  --mark: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 28 28'%3E%3Crect x='2' y='2' width='10' height='10' rx='2' opacity='.5'/%3E%3Crect x='16' y='2' width='10' height='10' rx='2' opacity='.5'/%3E%3Crect x='2' y='16' width='10' height='10' rx='2' opacity='.5'/%3E%3Crect x='16' y='16' width='10' height='10' rx='2' opacity='.5'/%3E%3Crect x='8' y='8' width='12' height='12' rx='3'/%3E%3C/svg%3E");
  --chevron: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M6 3l5 5-5 5' fill='none' stroke='%23000' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");

  --measure: 34.5em;
  --page-max: 78rem;
  --sidebar-w: 15.5rem;
  --header-h: 3.75rem;
  --gutter: 1.5rem;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #0b1513;
    --surface: #101d1a;
    --sunken: #08110f;
    --ink: #e4ece9;
    --ink-2: #a8b8b3;
    --ink-3: #93a59f;
    --rule: #1d2d29;
    --rule-strong: #344a44;
    --teal: #62c6b6;
    --teal-strong: #95ded2;
    --teal-soft: #12302b;
    --teal-tint: #0f211e;
    --teal-line: #2f6b61;
    --on-teal: #06201c;
    --focus: #7fd8ca;
    --inline-bg: #142622;
    --inline-fg: #cfe5df;
    --code-bg: #0e1d1a;
    --code-bar: #0b1816;
    --code-border: #1d302c;
    --code-rule: #1d302c;
    --grid: rgba(98, 198, 182, .06);
    --shadow-1: 0 1px 2px rgba(0, 0, 0, .4), 0 8px 24px -12px rgba(0, 0, 0, .7);
    --shadow-code: 0 1px 1px rgba(0, 0, 0, .3), 0 14px 32px -18px rgba(0, 0, 0, .8);
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --paper: #0b1513;
  --surface: #101d1a;
  --sunken: #08110f;
  --ink: #e4ece9;
  --ink-2: #a8b8b3;
  --ink-3: #93a59f;
  --rule: #1d2d29;
  --rule-strong: #344a44;
  --teal: #62c6b6;
  --teal-strong: #95ded2;
  --teal-soft: #12302b;
  --teal-tint: #0f211e;
  --teal-line: #2f6b61;
  --on-teal: #06201c;
  --focus: #7fd8ca;
  --inline-bg: #142622;
  --inline-fg: #cfe5df;
  --code-bg: #0e1d1a;
  --code-bar: #0b1816;
  --code-border: #1d302c;
  --code-rule: #1d302c;
  --grid: rgba(98, 198, 182, .06);
  --shadow-1: 0 1px 2px rgba(0, 0, 0, .4), 0 8px 24px -12px rgba(0, 0, 0, .7);
  --shadow-code: 0 1px 1px rgba(0, 0, 0, .3), 0 14px 32px -18px rgba(0, 0, 0, .8);
}
:root[data-theme="light"] { color-scheme: light; }
@media (prefers-contrast: more) {
  :root {
    --ink-2: var(--ink) !important;
    --ink-3: var(--ink) !important;
    --rule: var(--rule-strong) !important;
    --code-com: var(--code-fg) !important;
    --code-label: var(--code-fg) !important;
  }
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-padding-top: calc(var(--header-h) + 1.25rem); }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--ink);
  background: var(--paper);
  font-kerning: normal;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
::selection { background: color-mix(in srgb, var(--teal) 24%, transparent); }
img, svg { max-width: 100%; height: auto; }
a { color: var(--teal); text-decoration-line: underline; text-decoration-thickness: max(1px, .0625em); text-underline-offset: .22em; text-decoration-color: color-mix(in srgb, currentColor 50%, transparent); }
a:hover { color: var(--teal-strong); text-decoration-color: currentColor; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; border-radius: 4px; }
html:not(.js) .js-only { display: none !important; }
.skip { position: absolute; left: .75rem; top: .75rem; z-index: 100; padding: .6rem 1rem; border-radius: 8px; background: var(--teal); color: var(--on-teal); font-weight: 600; text-decoration: none; transform: translateY(-200%); }
.skip:focus { transform: none; }
.sr-only { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap; border: 0; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 40;
  background: var(--paper);
  background: color-mix(in srgb, var(--paper) 86%, transparent);
  -webkit-backdrop-filter: saturate(1.4) blur(12px);
  backdrop-filter: saturate(1.4) blur(12px);
  border-bottom: 1px solid var(--rule);
}
.site-header-inner { max-width: var(--page-max); margin: 0 auto; padding: .5rem var(--gutter); min-height: var(--header-h); display: flex; align-items: center; gap: .65rem; }
.brand { display: inline-flex; align-items: center; gap: .6rem; color: var(--ink); font-weight: 650; font-size: 1.0625rem; letter-spacing: -.012em; text-decoration: none; padding: .25rem 0; }
.brand:hover { color: var(--ink); }
.brand-mark { color: var(--teal); flex: none; }
.brand-version { font-family: var(--font-mono); font-size: .75rem; line-height: 1.5; color: var(--ink-2); background: var(--surface); border: 1px solid var(--rule); padding: .05rem .5rem; border-radius: 999px; }
.top-nav { display: flex; gap: .15rem; margin-left: 1.5rem; }
.top-nav a { position: relative; color: var(--ink-2); font-weight: 500; font-size: .9375rem; line-height: 1.4; padding: .45rem .7rem; border-radius: 8px; text-decoration: none; }
.top-nav a:hover { color: var(--ink); background: var(--sunken); }
.top-nav a.in-section { color: var(--ink); }
.top-nav a.in-section::after { content: ""; position: absolute; left: .7rem; right: .7rem; bottom: .1rem; height: 2px; border-radius: 2px; background: var(--teal); }
.header-actions { margin-left: auto; display: flex; gap: .4rem; }
.icon-btn { appearance: none; margin: 0; border: 1px solid var(--rule); background: var(--surface); color: var(--ink-2); width: 2.5rem; height: 2.5rem; border-radius: 10px; display: inline-grid; place-items: center; cursor: pointer; }
.icon-btn:hover { color: var(--ink); border-color: var(--rule-strong); }
.icon-btn svg { display: block; }
.menu-btn { display: none; }
.menu-btn .cross, .menu-btn[aria-expanded="true"] .bars { display: none; }
.menu-btn[aria-expanded="true"] .cross { display: inline; }
#theme-toggle .moon { display: none; }
:root[data-theme="dark"] #theme-toggle .moon { display: inline; }
:root[data-theme="dark"] #theme-toggle .sun { display: none; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) #theme-toggle .moon { display: inline; }
  :root:not([data-theme="light"]) #theme-toggle .sun { display: none; }
}

/* ---------- Layout ---------- */
.page { max-width: var(--page-max); margin: 0 auto; padding: 0 var(--gutter); display: grid; grid-template-columns: var(--sidebar-w) minmax(0, 1fr); column-gap: clamp(2rem, 4.5vw, 4.5rem); }
.main { min-width: 0; max-width: 54rem; padding: 2.75rem 0 5rem; overflow-wrap: break-word; }
html[data-layout="wide"] .page { grid-template-columns: minmax(0, 1fr); }
html[data-layout="wide"] .sidebar { display: none; }
html[data-layout="wide"] .main { max-width: none; padding-top: 0; }

/* Sidebar */
.sidebar { position: sticky; top: var(--header-h); align-self: start; max-height: calc(100vh - var(--header-h)); max-height: calc(100dvh - var(--header-h)); overflow-y: auto; overscroll-behavior: contain; scrollbar-width: thin; scrollbar-color: var(--rule-strong) transparent; padding: 2.25rem .75rem 3rem 0; }
.nav-group + .nav-group { margin-top: 1.75rem; }
.nav-group-title { margin: 0 0 .55rem; padding-left: .9rem; font-size: .8125rem; font-weight: 650; line-height: 1.4; letter-spacing: .005em; color: var(--ink); }
.nav-group ul { list-style: none; margin: 0; padding: 0; border-left: 1px solid var(--rule); }
.nav-group li { margin: 0; }
.nav-group li a { display: block; margin-left: -1px; padding: .36rem .75rem .36rem .9rem; border-left: 2px solid transparent; border-radius: 0 8px 8px 0; color: var(--ink-2); font-size: .9375rem; line-height: 1.45; text-decoration: none; }
.nav-group li a:hover { color: var(--ink); background: var(--sunken); border-left-color: var(--rule-strong); }
.nav-group li a[aria-current="page"] { color: var(--teal); font-weight: 600; background: var(--teal-soft); border-left-color: var(--teal); }

/* ---------- Prose ---------- */
.main :where(p, ul, ol, dl) { margin: 0 0 1.15rem; }
.main > :where(p, ul, ol, dl, blockquote), .main section > :where(p, ul, ol) { max-width: var(--measure); }
.main :where(p, li) { text-wrap: pretty; }
.main :where(ul, ol) { padding-left: 1.35em; }
.main li + li { margin-top: .45em; }
.main li::marker { color: var(--ink-3); }
.main ol > li::marker { font-variant-numeric: tabular-nums; }
.main strong, .main b { font-weight: 650; }
.main h1 { font-size: clamp(2.125rem, 1.6rem + 1.6vw, 2.75rem); line-height: 1.1; letter-spacing: -.03em; font-weight: 700; margin: 0 0 1rem; text-wrap: balance; }
.main h2 { font-size: 1.625rem; line-height: 1.25; letter-spacing: -.022em; font-weight: 650; margin: 3.5rem 0 .9rem; text-wrap: balance; }
.main h3 { font-size: 1.1875rem; line-height: 1.4; letter-spacing: -.012em; font-weight: 620; margin: 2.4rem 0 .6rem; }
.main h4 { font-size: 1.0625rem; margin: 1.75rem 0 .5rem; font-weight: 620; }
.main h2 + h3 { margin-top: 1.25rem; }
.main h2 small { font-size: .55em; font-weight: 500; letter-spacing: 0; color: var(--ink-2); font-variant-numeric: tabular-nums; margin-left: .2em; white-space: nowrap; }
a.anchor { position: relative; color: inherit; text-decoration: none; }
a.anchor::before { content: "#"; content: "#" / ""; position: absolute; right: 100%; padding-right: .3em; color: var(--teal); font-weight: 500; opacity: 0; }
a.anchor:hover::before, a.anchor:focus-visible::before { opacity: .8; }
a.anchor:hover { color: inherit; }
.eyebrow { margin: 0 0 .75rem; font-size: .875rem; font-weight: 600; line-height: 1.4; letter-spacing: .01em; color: var(--teal); }
.lede { font-size: 1.25rem; line-height: 1.6; letter-spacing: -.006em; color: var(--ink-2); max-width: 32em; margin: 0 0 2.75rem; }
.main > .lede { max-width: 32em; }
.lede code { font-size: .8em; }
.fine { font-size: .875rem; line-height: 1.6; color: var(--ink-2); }
.main hr { border: 0; border-top: 1px solid var(--rule); margin: 3rem 0 1.5rem; max-width: var(--measure); }
.main blockquote { margin: 1.75rem 0; padding: .15rem 0 .15rem 1.25rem; border-left: 3px solid var(--teal); color: var(--ink); font-size: 1.125rem; line-height: 1.6; }
.main blockquote p { margin: 0; }
blockquote cite { display: block; margin-top: .75rem; font-style: normal; font-size: .9375rem; color: var(--ink-2); }
em { font-style: italic; }
kbd { font-family: var(--font-mono); font-size: .85em; background: var(--surface); border: 1px solid var(--rule-strong); border-bottom-width: 2px; border-radius: 5px; padding: .05em .4em; }

/* ---------- Code ---------- */
code { font-family: var(--font-mono); font-size: .86em; font-variant-ligatures: none; background: var(--inline-bg); color: var(--inline-fg); padding: .12em .36em; border-radius: 6px; box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--teal) 14%, transparent); overflow-wrap: anywhere; -webkit-box-decoration-break: clone; box-decoration-break: clone; }
a code { color: inherit; }
.code {
  --focus: var(--code-focus);
  position: relative;
  margin: 1.5rem 0 1.85rem;
  background: var(--code-bg);
  color: var(--code-fg);
  border: 1px solid var(--code-border);
  border-radius: 14px;
  box-shadow: var(--shadow-code);
}
.code::before { content: attr(data-lang); content: attr(data-lang) / ""; display: block; padding: .6rem 1.15rem .55rem; min-height: 2.6rem; border-bottom: 1px solid var(--code-rule); background: var(--code-bar); border-radius: 13px 13px 0 0; font: 500 .75rem/1.6 var(--font-mono); letter-spacing: .02em; color: var(--code-label); }
.code pre { margin: 0; padding: 1rem 1.15rem 1.15rem; overflow-x: auto; font: 400 .875rem/1.7 var(--font-mono); font-variant-ligatures: none; tab-size: 4; color: inherit; border-radius: 0 0 13px 13px; scrollbar-width: thin; scrollbar-color: var(--code-rule) transparent; }
.code pre code { box-shadow: none; display: block; width: max-content; min-width: 100%; padding: 0; background: none; color: inherit; font-size: inherit; border-radius: 0; white-space: pre; overflow-wrap: normal; }
.code .k { color: var(--code-key); }
.code .s { color: var(--code-str); }
.code .c { color: var(--code-com); }
.code .p { color: var(--code-prompt); -webkit-user-select: none; user-select: none; }
.code pre:focus-visible { outline-offset: -3px; border-radius: 0 0 13px 13px; }
@supports selector(:has(*)) {
  .code:has(> pre:focus-visible) { outline: 2px solid var(--ring); outline-offset: 2px; }
  .code > pre:focus-visible { outline: none; }
}
.copy { position: absolute; top: .45rem; right: .55rem; min-height: 1.75rem; padding: .3rem .65rem; border-radius: 7px; border: 1px solid var(--code-rule); background: var(--code-bg); color: var(--code-label); font: 500 .75rem/1 var(--font-sans); cursor: pointer; }
.copy:hover { color: var(--code-fg); border-color: var(--code-label); }
.copy[data-copied] { color: var(--code-key); border-color: currentColor; }

/* ---------- Tables ---------- */
.table-wrap { margin: 1.5rem 0 2.25rem; overflow-x: auto; background: var(--surface); border: 1px solid var(--rule); border-radius: 12px; scrollbar-width: thin; scrollbar-color: var(--rule-strong) transparent; }
table { width: 100%; border-collapse: collapse; font-size: .9375rem; line-height: 1.55; font-variant-numeric: tabular-nums; }
th, td { text-align: left; vertical-align: top; padding: .7rem 1rem; border-bottom: 1px solid var(--rule); }
thead :where(th, td) { padding-block: .6rem; background: var(--sunken); color: var(--ink-2); font-size: .8125rem; font-weight: 600; letter-spacing: .01em; white-space: nowrap; }
tbody th { font-weight: 600; color: var(--ink); white-space: nowrap; }
tbody tr:last-child > * { border-bottom: 0; }
tbody tr:hover > * { background: color-mix(in srgb, var(--teal-soft) 40%, transparent); }
td code { white-space: nowrap; overflow-wrap: normal; }
td:first-child { min-width: 7rem; }

/* ---------- Callouts ---------- */
.callout { display: grid; grid-template-columns: 1.25rem minmax(0, 1fr); gap: .9rem; margin: 2rem 0; padding: 1.15rem 1.35rem 1.25rem 1.15rem; max-width: 40em; background: var(--teal-tint); border: 1px solid color-mix(in srgb, var(--teal) 22%, transparent); border-radius: 14px; }
.callout-icon {
  width: 1.25rem; height: 1.25rem; margin-top: .22rem; font-size: 0; color: transparent; background: var(--teal);
  -webkit-mask: var(--mark) center / contain no-repeat;
  mask: var(--mark) center / contain no-repeat;
}
.callout .callout-title { margin: 0 0 .3rem; font-weight: 650; color: var(--ink); }
.callout p { margin: 0; }
.callout p + p { margin-top: .5rem; }

/* The motto */
.quote-band { position: relative; isolation: isolate; margin: 3.5rem 0; padding: 3.25rem 1rem 3rem; text-align: center; border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); }
.quote-band::before { content: ""; display: block; width: 1.75rem; height: 1.75rem; margin: 0 auto 1.6rem; background: var(--teal); -webkit-mask: var(--mark) center / contain no-repeat; mask: var(--mark) center / contain no-repeat; }
.quote-band::after { content: ""; position: absolute; inset: 0; z-index: -1; background-image: linear-gradient(var(--grid) 1px, transparent 1px), linear-gradient(90deg, var(--grid) 1px, transparent 1px); background-size: 24px 24px; background-position: center; -webkit-mask: radial-gradient(closest-side, #000 30%, transparent); mask: radial-gradient(closest-side, #000 30%, transparent); }
.quote-band blockquote, .main .quote-band blockquote { margin: 0; padding: 0; border: 0; font-size: inherit; }
.quote-band blockquote p { margin: 0 auto; max-width: 17em; font-size: clamp(1.625rem, 1.1rem + 1.8vw, 2.5rem); line-height: 1.16; letter-spacing: -.032em; font-weight: 620; color: var(--ink); text-wrap: balance; }
.quote-band cite { display: flex; align-items: center; justify-content: center; gap: .75rem; margin-top: 1.4rem; font-size: .9375rem; color: var(--ink-2); }
.quote-band cite::before, .quote-band cite::after { content: ""; flex: none; width: 1.5rem; height: 1px; background: var(--teal); }

/* ---------- Cards ---------- */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 15.5rem), 1fr)); gap: 1rem; margin: 1.5rem 0 2.25rem; }
.card { display: flex; flex-direction: column; gap: .4rem; padding: 1.2rem 1.3rem 1.3rem; color: var(--ink); background: var(--surface); border: 1px solid var(--rule); border-radius: 14px; text-decoration: none; transition: border-color .15s ease, box-shadow .15s ease; }
.card:hover { color: var(--ink); border-color: var(--teal-line); box-shadow: var(--shadow-1); }
.card h3, .main .card h3 { margin: 0; font-size: 1.0625rem; line-height: 1.35; font-weight: 620; letter-spacing: -.01em; color: var(--ink); }
.card:hover h3 { color: var(--teal); }
.card p { margin: 0; font-size: .9375rem; line-height: 1.6; color: var(--ink-2); }

/* ---------- Pager ---------- */
.pager { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-top: 4.5rem; padding-top: 2rem; border-top: 1px solid var(--rule); }
.pager a { display: flex; flex-direction: column; gap: .2rem; padding: .95rem 1.2rem 1.05rem; color: var(--ink); background: var(--surface); border: 1px solid var(--rule); border-radius: 12px; text-decoration: none; transition: border-color .15s ease; }
.pager a:hover { border-color: var(--teal-line); }
.pager-label { display: inline-flex; align-items: center; gap: .35rem; font-size: .8125rem; color: var(--ink-2); }
.pager-title { font-weight: 620; font-size: 1.0625rem; line-height: 1.35; color: var(--teal); }
.pager-next { align-items: flex-end; text-align: right; }
.pager-prev .pager-label::before, .pager-next .pager-label::after {
  content: ""; width: .85rem; height: .85rem; background: currentColor;
  -webkit-mask: var(--chevron) center / contain no-repeat;
  mask: var(--chevron) center / contain no-repeat;
}
.pager-prev .pager-label::before { transform: scaleX(-1); }

/* ---------- Diagrams ---------- */
.diagram { margin: 2rem 0 2.25rem; background-color: var(--surface); background-image: linear-gradient(var(--grid) 1px, transparent 1px), linear-gradient(90deg, var(--grid) 1px, transparent 1px); background-size: 24px 24px; background-position: -1px -1px; border: 1px solid var(--rule); border-radius: 16px; }
.diagram-scroll { overflow-x: auto; padding: 1.5rem 1.25rem; border-radius: 15px 15px 0 0; scrollbar-width: thin; }
.diagram svg { display: block; width: 100%; height: auto; min-width: 42rem; }
.diagram figcaption { padding: .85rem 1.25rem .95rem; border-top: 1px solid var(--rule); background: var(--surface); border-radius: 0 0 15px 15px; font-size: .875rem; line-height: 1.55; color: var(--ink-2); }
.d-box { fill: var(--surface); stroke: var(--rule-strong); }
.d-box-accent { fill: var(--teal-tint); stroke: var(--teal); stroke-opacity: .55; }
.d-text { font-family: var(--font-sans); font-size: 12px; font-weight: 500; fill: var(--ink); }
.d-text-muted { font-family: var(--font-mono); font-size: 10px; fill: var(--ink-2); }
.d-line { stroke: var(--teal); stroke-opacity: .6; stroke-width: 1.5; fill: none; }

/* ---------- Steps (FCP-1) and changelog ---------- */
.main ol.steps { list-style: decimal; margin: 1.25rem 0 2.5rem; padding-left: 3.25rem; max-width: calc(var(--measure) + 3.25rem); border-bottom: 1px solid var(--rule); }
.steps > li { position: relative; padding: .65rem 0 .7rem .4rem; line-height: 1.65; }
.steps > li::after { content: ""; position: absolute; top: 0; right: 0; left: -3.25rem; border-top: 1px solid var(--rule); }
.main .steps > li + li { margin-top: 0; }
.main .steps > li::marker { font-family: var(--font-mono); font-size: .8125rem; font-weight: 500; color: var(--teal); }
html[data-page="changelog"] .main h2 { padding-top: 2.25rem; border-top: 1px solid var(--rule); margin-top: 3rem; }
html[data-page="changelog"] .main h2 small { display: block; margin: .35rem 0 0; font-size: .875rem; }

/* ---------- Home ---------- */
.hero { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 24rem); grid-template-areas: "text art" "code art"; column-gap: clamp(2.5rem, 6vw, 6rem); align-items: center; padding: clamp(3rem, 7vw, 6rem) 0 clamp(2.5rem, 5vw, 4.5rem); }
.hero-text { grid-area: text; }
.hero-art { grid-area: art; color: var(--teal); }
.hero-art svg { display: block; width: 100%; height: auto; overflow: visible; }
.hero .code { grid-area: code; margin: 2.75rem 0 0; max-width: 44rem; }
.hero .eyebrow { margin-bottom: 1.1rem; }
.hero h1 { font-size: clamp(2.5rem, 1.35rem + 3.6vw, 4.25rem); line-height: 1.02; letter-spacing: -.042em; font-weight: 700; margin: 0 0 1.5rem; max-width: 11.5em; text-wrap: balance; }
.hero .lede { font-size: clamp(1.125rem, 1rem + .45vw, 1.3125rem); max-width: 31em; margin: 0 0 2.25rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .75rem; }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 2.75rem; padding: .6rem 1.15rem; border-radius: 10px; font-weight: 600; font-size: .9375rem; line-height: 1.3; color: var(--ink); background: var(--surface); border: 1px solid var(--rule-strong); text-decoration: none; transition: border-color .15s ease, background-color .15s ease, color .15s ease; }
.btn:hover { color: var(--teal); border-color: var(--teal); }
.btn.primary { color: var(--on-teal); background: var(--teal); border-color: var(--teal); }
.btn.primary:hover { color: var(--on-teal); background: var(--teal-strong); border-color: var(--teal-strong); }
.ha-grid { fill: none; stroke: var(--rule-strong); stroke-width: 1; opacity: .7; }
.ha-ring path, .ha-spoke path { fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; }
.ha-ring path { stroke-opacity: .35; }
.ha-node circle { fill: var(--paper); stroke: currentColor; stroke-width: 1.5; }
.ha-tile rect { fill: var(--surface); stroke: currentColor; stroke-opacity: .45; stroke-width: 1.5; }
.ha-glyph { fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
circle.ha-glyph { fill: var(--surface); }
.ha-core > rect { fill: currentColor; }
.ha-mark { fill: var(--paper); }

.section { padding: clamp(3rem, 6vw, 5rem) 0 0; }
.section h2, .main .section h2 { margin: 0 0 1rem; font-size: clamp(1.75rem, 1.25rem + 1.5vw, 2.375rem); line-height: 1.15; letter-spacing: -.032em; font-weight: 680; max-width: 18em; }
.section-lede { font-size: 1.125rem; line-height: 1.65; color: var(--ink-2); max-width: 36em; }
.integrations { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px; margin: 2.25rem 0 0; background: var(--rule); border: 1px solid var(--rule); border-radius: 16px; overflow: hidden; }
.integration { padding: 1.4rem 1.4rem 1.6rem; background: var(--surface); }
.integration .tag { display: inline-block; margin-bottom: 1rem; padding: .15rem .55rem; border-radius: 999px; font: 500 .75rem/1.6 var(--font-mono); color: var(--teal); background: var(--teal-soft); }
.integration h3, .main .integration h3 { margin: 0 0 .4rem; font-size: 1.125rem; font-weight: 640; letter-spacing: -.012em; }
.integration p { margin: 0; font-size: .9375rem; line-height: 1.6; color: var(--ink-2); }
html[data-page="home"] .section .cards { grid-template-columns: repeat(auto-fill, minmax(min(100%, 16rem), 1fr)); margin-top: 1.75rem; }
.stat-row { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); margin: 0; }
.stat { padding: .25rem 1.5rem .5rem; border-left: 1px solid var(--rule); }
.stat:first-child { padding-left: 0; border-left: 0; }
.stat b { display: block; margin-bottom: .55rem; font-size: clamp(2.5rem, 1.6rem + 2.4vw, 3.5rem); line-height: 1; letter-spacing: -.045em; font-weight: 600; color: var(--teal); font-variant-numeric: tabular-nums; }
.stat span { display: block; font-size: .9375rem; line-height: 1.45; color: var(--ink-2); }
html[data-page="home"] .quote-band { margin: 4.5rem 0 0; padding-block: 4rem 3.75rem; }
html[data-page="home"] .main { padding-bottom: 6rem; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--rule); background: var(--sunken); }
.site-footer-inner { max-width: var(--page-max); margin: 0 auto; padding: 2.75rem var(--gutter) 3rem; display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 1.25rem; font-size: .9375rem; line-height: 1.6; color: var(--ink-2); }
.footer-mark { color: var(--teal); margin-top: .1rem; }
.footer-text p { margin: 0 0 .6rem; max-width: 44em; }
.footer-text .fine { font-size: .8125rem; }
.footer-links { margin-top: 1rem; }
.footer-links a { display: inline-block; padding: .2rem 0; color: var(--ink-2); }
.footer-links a:hover { color: var(--teal); }

/* ---------- Responsive ---------- */
@media (max-width: 68em) {
  .integrations { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 60em) {
  .hero { grid-template-columns: minmax(0, 1fr); grid-template-areas: "text" "code"; }
  .hero-art { display: none; }
  .stat-row { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: 1.75rem; }
  .stat:nth-child(3) { padding-left: 0; border-left: 0; }
}
@media (max-width: 56em) {
  :root { --gutter: 1.25rem; }
  .top-nav { display: none; }
  .menu-btn { display: inline-grid; }
  .page { grid-template-columns: minmax(0, 1fr); }
  .sidebar { position: static; max-height: none; overflow: visible; padding: 1.25rem 0 1.5rem; border-bottom: 1px solid var(--rule); }
  html.js .sidebar { display: none; }
  html.js .sidebar.open { display: block; position: fixed; z-index: 35; align-self: stretch; top: var(--panel-top, var(--header-h)); left: 0; right: 0; bottom: 0; max-height: none; overflow-y: auto; padding: 1.25rem var(--gutter) 2.5rem; background: var(--paper); border-bottom: 0; }
  html:has(.sidebar.open) { overflow: hidden; }
  .sidebar.open .nav-group ul, html:not(.js) .sidebar .nav-group ul { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 13rem), 1fr)); column-gap: 1rem; }
  .main { padding-top: 2rem; }
  .pager { grid-template-columns: minmax(0, 1fr); }
  .pager-next { align-items: flex-start; text-align: left; }
  .diagram-scroll { padding: 1rem; }
}
@media (max-width: 36em) {
  .integrations { grid-template-columns: minmax(0, 1fr); }
  .main h2 { font-size: 1.4375rem; margin-top: 2.75rem; }
  .lede { font-size: 1.125rem; }
  .callout { padding: 1rem 1rem 1.1rem .9rem; gap: .75rem; }
  .site-footer-inner { grid-template-columns: minmax(0, 1fr); }
  .main ol.steps { padding-left: 2.5rem; }
  .steps > li::after { left: -2.5rem; }
}
@media (max-width: 24em) {
  .brand-version { display: none; }
}

/* ---------- Motion ---------- */
@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
  .ha-ring path, .ha-spoke path { stroke-dasharray: 1; animation: ha-draw .9s cubic-bezier(.4, 0, .2, 1) both; }
  .ha-ring path { animation-delay: .15s; }
  .ha-spoke path { animation-delay: .65s; animation-duration: .6s; }
  .ha-tile { transform-box: fill-box; transform-origin: center; animation: ha-tile .7s cubic-bezier(.2, .7, .2, 1) both; }
  .ha-t2 { animation-delay: .08s; } .ha-t3 { animation-delay: .16s; } .ha-t4 { animation-delay: .24s; }
  .ha-t1 { --dx: -10px; --dy: -10px; } .ha-t2 { --dx: 10px; --dy: -10px; } .ha-t3 { --dx: -10px; --dy: 10px; } .ha-t4 { --dx: 10px; --dy: 10px; }
  .ha-node circle { transform-box: fill-box; transform-origin: center; animation: ha-pop .45s cubic-bezier(.2, .7, .2, 1) both; animation-delay: 1.05s; }
  .ha-core { transform-box: fill-box; transform-origin: center; animation: ha-core .8s cubic-bezier(.2, .7, .2, 1) both; animation-delay: .9s; }
  @keyframes ha-draw { from { stroke-dashoffset: 1; } to { stroke-dashoffset: 0; } }
  @keyframes ha-tile { from { opacity: 0; transform: translate(var(--dx), var(--dy)) scale(.96); } to { opacity: 1; transform: none; } }
  @keyframes ha-pop { from { opacity: 0; transform: scale(.4); } to { opacity: 1; transform: none; } }
  @keyframes ha-core { from { opacity: 0; transform: scale(.9); } to { opacity: 1; transform: none; } }
}

/* ---------- Forced colours (Windows High Contrast) ---------- */
@media (forced-colors: active) {
  .nav-group li a { border-left-color: Canvas; }
  .nav-group li a[aria-current="page"] { border-left: 4px solid Highlight; text-decoration: underline; }
  .top-nav a.in-section::after { background: CanvasText; }
  .callout-icon, .pager-prev .pager-label::before, .pager-next .pager-label::after { forced-color-adjust: none; background: CanvasText; }
  .quote-band::before, .quote-band cite::before, .quote-band cite::after { forced-color-adjust: none; background: CanvasText; }
  .code, .copy, .btn, .card, .pager a, .table-wrap, .callout, .diagram, .integration, .stat { border: 1px solid CanvasText; }
  .code::before { border-bottom: 1px solid CanvasText; }
  .skip:focus { outline: 2px solid CanvasText; }
}

/* ---------- Print ---------- */
@media print {
  .site-header, .sidebar, .pager, .copy, .site-footer, .skip, .hero-art, .hero-actions { display: none !important; }
  body { background: #fff; color: #000; font-size: 11pt; }
  .page { display: block; max-width: none; padding: 0; }
  .main { max-width: none; padding: 0; }
  .code, .table-wrap, .diagram, .callout, .card { background: #fff; color: #000; box-shadow: none; border: 1px solid #999; break-inside: avoid; }
  .code::before { background: #fff; color: #333; border-color: #999; }
  .code pre { white-space: pre-wrap; overflow: visible; }
  .code pre code { width: auto; white-space: pre-wrap; }
  .code :is(.k, .s, .c, .p) { color: #000; }
  .table-wrap, .diagram-scroll { overflow: visible; }
  a { color: #000; }
  .main a[href^="http"]::after { content: " (" attr(href) ")"; font-size: .85em; overflow-wrap: anywhere; }
  .main :is(h2, h3) { break-after: avoid; }
}