/* The Human Node — web edition styles (scoped to .hn-body) */
:root {
  --hn-ink: #1a1a1a; --hn-ink-2: #4a4a4a; --hn-ink-3: #7a7a7a;
  --hn-rule: #c9c4bb; --hn-rule-2: #e4e0d8; --hn-tint: #f4f1ec;
  --hn-accent: #8c3b1a; --hn-accent-2: #b8623c; --hn-accent-tint: #f6ebe4;
  --hn-serif: "IBM Plex Serif", Georgia, serif;
  --hn-sans: "IBM Plex Sans", Helvetica, Arial, sans-serif;
  --hn-mono: "IBM Plex Mono", Menlo, monospace;
}
.hn-page { background: #fff; }
.hn-body { font-family: var(--hn-serif); color: var(--hn-ink); font-size: 1.0625rem; line-height: 1.6; max-width: 44rem; margin: 0 auto; hyphens: auto; -webkit-hyphens: auto; }
.hn-body p { margin: 0 0 1em 0; }
.hn-body a { color: var(--hn-accent); text-decoration: none; border-bottom: 1px solid var(--hn-rule); }
.hn-body a:hover { border-bottom-color: var(--hn-accent); }
.hn-body a.xref { border-bottom: none; font-family: var(--hn-sans); font-size: 0.92em; font-weight: 500; }
.hn-body strong { font-weight: 600; }
.hn-body .term { font-family: var(--hn-sans); font-weight: 600; font-size: 0.93em; }
.hn-body .sym { font-family: var(--hn-mono); font-size: 0.92em; }
.hn-body .dim { color: var(--hn-ink-3); }
.hn-body .small { font-size: 0.88em; }
.hn-body sub { font-size: 0.7em; }

/* headings */
.hn-body h2, .hn-body h3, .hn-body h4 { font-family: var(--hn-sans); font-weight: 600; letter-spacing: -0.005em; color: var(--hn-ink); }
.hn-body h2 { font-size: 1.5rem; line-height: 1.2; margin: 2.2em 0 0.8em; padding-bottom: 0.4em; border-bottom: 1.5px solid var(--hn-ink); }
.hn-body h3 { font-size: 1.1rem; margin: 1.8em 0 0.5em; }
.hn-body h3 .n { font-family: var(--hn-mono); font-weight: 500; color: var(--hn-accent); font-size: 0.85em; margin-right: 0.5em; }
.hn-body h4 { font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--hn-ink-2); margin: 1.4em 0 0.4em; }
.hn-body .lede { font-size: 1.15em; line-height: 1.5; color: var(--hn-ink-2); margin-bottom: 1.2em; }

/* question / answer */
.hn-body .q { position: relative; margin: 0 0 1.2em 0; padding: 0.9em 0 0.9em 2.4rem; border-top: 2px solid var(--hn-accent); border-bottom: 1px solid var(--hn-rule); font-style: italic; font-size: 1.22em; line-height: 1.45; hyphens: none; }
.hn-body .q::before { content: "Q"; position: absolute; left: 0; top: 0.95em; font-family: var(--hn-mono); font-style: normal; font-weight: 600; color: var(--hn-accent); }
.hn-body .q em { font-style: normal; }
.hn-body .q + .lede { position: relative; padding-left: 2.4rem; color: var(--hn-ink); font-weight: 500; }
.hn-body .q + .lede::before { content: "A"; position: absolute; left: 0; top: 0.1em; font-family: var(--hn-mono); font-weight: 600; font-size: 0.86em; color: var(--hn-accent); }
.hn-body .q.sub { font-size: 1.08em; margin-top: 1.6em; border-top-width: 1px; }
.hn-body .box .q.sub { margin-top: 0; }

/* lists */
.hn-body ul, .hn-body ol { margin: 0 0 1em 0; padding-left: 1.4em; }
.hn-body li { margin-bottom: 0.4em; }
.hn-body ul li::marker { color: var(--hn-accent); }
.hn-body ol.steps { list-style: none; padding-left: 0; counter-reset: step; }
.hn-body ol.steps li { counter-increment: step; position: relative; padding-left: 2.4rem; margin-bottom: 0.7em; }
.hn-body ol.steps li::before { content: counter(step, decimal-leading-zero); position: absolute; left: 0; top: 0.15em; font-family: var(--hn-mono); font-size: 0.85em; color: var(--hn-accent); font-weight: 500; }

/* boxes */
.hn-body .box { margin: 1.4em 0 1.6em; padding: 0.9em 1.1em 0.8em 1.2em; font-size: 0.96em; line-height: 1.55; }
.hn-body .box p:last-child, .hn-body .box ul:last-child, .hn-body .box ol:last-child { margin-bottom: 0; }
.hn-body .box .lab { font-family: var(--hn-mono); font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--hn-accent); margin-bottom: 0.4em; display: block; }
.hn-body .def { border-left: 3px solid var(--hn-accent); background: var(--hn-tint); }
.hn-body .def dt { font-family: var(--hn-sans); font-weight: 600; margin-top: 0.7em; }
.hn-body .def dt:first-of-type { margin-top: 0; }
.hn-body .def dd { margin: 0.15em 0 0 0; }
.hn-body .proc { border: 1px solid var(--hn-ink); }
.hn-body .proc .lab { color: var(--hn-ink); }
.hn-body .proc .ttl, .hn-body .ex .ttl, .hn-body .scn .ttl { font-family: var(--hn-sans); font-weight: 600; margin-bottom: 0.6em; }
.hn-body .ex { border: 1px solid var(--hn-accent); background: var(--hn-accent-tint); }
.hn-body .scn { background: var(--hn-tint); border-top: 2px solid var(--hn-ink); border-bottom: 1px solid var(--hn-rule); }
.hn-body .scn .lab { color: var(--hn-ink-2); }
.hn-body .note { background: var(--hn-tint); }
.hn-body .note .lab { color: var(--hn-ink-3); }
.hn-body .trap { border-left: 3px solid var(--hn-ink); border-top: 1px solid var(--hn-rule); border-bottom: 1px solid var(--hn-rule); }
.hn-body .trap .lab { color: var(--hn-ink); }
.hn-body .key { border-top: 2px solid var(--hn-accent); border-bottom: 1px solid var(--hn-accent); padding: 0.8em 0; font-family: var(--hn-sans); font-weight: 500; line-height: 1.5; margin: 1.6em 0; }
.hn-body .key .lab { display: block; font-family: var(--hn-mono); font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--hn-accent); margin-bottom: 0.4em; font-weight: 600; }
.hn-body .pull { font-style: italic; font-size: 1.15em; line-height: 1.45; color: var(--hn-ink-2); margin: 1.4em 0 1.4em 1.5rem; padding-left: 1rem; border-left: 1px solid var(--hn-rule); }

/* figures */
.hn-body figure { margin: 1.6em 0 1.8em; }
.hn-body figure svg { display: block; width: 100%; height: auto; }
.hn-body figure.tight svg { width: 80%; margin: 0 auto; }
.hn-body figcaption { font-family: var(--hn-sans); font-size: 0.82rem; line-height: 1.45; color: var(--hn-ink-2); margin-top: 0.6em; }

/* tables */
.hn-body table { width: 100%; border-collapse: collapse; font-family: var(--hn-sans); font-size: 0.88rem; line-height: 1.45; margin: 1em 0 1.6em; }
.hn-body th { text-align: left; font-weight: 600; font-size: 0.72rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--hn-ink-2); border-bottom: 2px solid var(--hn-ink); padding: 0.5em 0.6em 0.5em 0; vertical-align: bottom; }
.hn-body td { border-bottom: 1px solid var(--hn-rule); padding: 0.6em 0.6em 0.6em 0; vertical-align: top; }
.hn-body td.k { font-weight: 600; width: 24%; }
.hn-body td.m { font-family: var(--hn-mono); color: var(--hn-accent); white-space: nowrap; width: 2.4em; }
.hn-body table.fault td:first-child { font-weight: 600; width: 30%; }
@media (max-width: 600px) { .hn-body table { font-size: 0.8rem; } .hn-body td.k, .hn-body table.fault td:first-child { width: auto; } }

/* checklist, columns */
.hn-body ul.check { list-style: none; padding-left: 0; }
.hn-body ul.check li { position: relative; padding-left: 1.8rem; margin-bottom: 0.6em; }
.hn-body ul.check li::before { content: ""; position: absolute; left: 0; top: 0.3em; width: 0.9em; height: 0.9em; border: 1.5px solid var(--hn-ink); }
.hn-body .two-col { column-count: 2; column-gap: 2rem; column-rule: 1px solid var(--hn-rule); }
.hn-body .two-col h4 { break-after: avoid; margin-top: 0.8em; }
@media (max-width: 600px) { .hn-body .two-col { column-count: 1; } }

/* glossary, loop */
.hn-body .gloss dt { font-family: var(--hn-sans); font-weight: 600; margin-top: 0.9em; }
.hn-body .gloss dt .sym { color: var(--hn-accent); margin-left: 0.4em; font-weight: 500; }
.hn-body .gloss dd { margin: 0.15em 0 0 0; }
.hn-body .loop { font-family: var(--hn-mono); font-size: 0.82rem; line-height: 1.7; text-align: center; margin: 1.2em 0 1.4em; padding: 0.8em 0; border-top: 1px solid var(--hn-rule); border-bottom: 1px solid var(--hn-rule); }
.hn-body .loop .arr { color: var(--hn-accent); margin: 0 0.3em; }

/* index */
.hn-body .hn-index { column-count: 2; column-gap: 2rem; font-family: var(--hn-sans); font-size: 0.9rem; }
.hn-body .hn-idx-letter { font-family: var(--hn-mono); color: var(--hn-accent); font-size: 0.85rem; margin: 1.2em 0 0.3em; border: none; break-after: avoid; }
.hn-body .hn-idx { margin: 0 0 0.35em; padding-left: 1.2em; text-indent: -1.2em; break-inside: avoid; }
.hn-body .hn-idx .t { font-weight: 500; }
.hn-body .hn-idx .p a { border: none; font-family: var(--hn-mono); font-size: 0.9em; }
@media (max-width: 600px) { .hn-body .hn-index { column-count: 1; } }

/* navigation furniture */
.hn-crumbs { font-family: var(--hn-sans); font-size: 0.8rem; letter-spacing: 0.02em; color: var(--hn-ink-3); margin: 0 0 1.6em; padding-bottom: 0.6em; border-bottom: 1px solid var(--hn-rule); }
.hn-crumbs a { color: var(--hn-ink-2); border: none; }
.hn-crumbs .sep { margin: 0 0.3em; }
.hn-crumbs .here { color: var(--hn-ink); }
.hn-siblings { margin: 3em 0 1.5em; padding-top: 1em; border-top: 1px solid var(--hn-rule); font-family: var(--hn-sans); font-size: 0.9rem; }
.hn-siblings .lab { display: block; font-family: var(--hn-mono); font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--hn-ink-3); margin-bottom: 0.5em; }
.hn-siblings ul { list-style: none; padding: 0; margin: 0; }
.hn-siblings li { margin: 0 0 0.3em; }
.hn-siblings li a { border: none; color: var(--hn-ink-2); }
.hn-siblings li.here a { color: var(--hn-accent); font-weight: 600; }
.hn-pager { display: flex; justify-content: space-between; gap: 1.5rem; margin: 1.5em 0 2em; padding-top: 1em; border-top: 2px solid var(--hn-ink); font-family: var(--hn-sans); }
.hn-pager a { border: none; display: flex; flex-direction: column; max-width: 48%; }
.hn-pager a.next { text-align: right; margin-left: auto; }
.hn-pager .k { font-family: var(--hn-mono); font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--hn-ink-3); }
.hn-pager .t { color: var(--hn-ink); font-weight: 500; line-height: 1.3; }
.hn-pager a:hover .t { color: var(--hn-accent); }

/* contents lists */
.hn-contents { font-family: var(--hn-sans); }
.hn-toc-front { font-size: 0.95rem; margin-bottom: 1em; }
.hn-toc-part { font-size: 1rem; margin: 1.4em 0 0.4em; border: none; padding: 0; }
.hn-toc-part a { border: none; color: var(--hn-ink); }
ul.hn-toc { list-style: none; padding: 0; margin: 0 0 0.5em; }
ul.hn-toc li { margin: 0 0 0.35em; padding-left: 0; }
ul.hn-toc li a { border: none; color: var(--hn-ink-2); }
ul.hn-toc li a:hover { color: var(--hn-accent); }

/* home */
.hn-hero { position: relative; padding: 2.2rem 0 2rem 1.6rem; border-left: 10px solid var(--hn-accent); margin: 0 0 2.5em; }
.hn-kicker { font-family: var(--hn-mono); font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--hn-ink-2); margin-bottom: 1.2em; }
.hn-title { font-family: var(--hn-sans); font-weight: 600; font-size: clamp(2.2rem, 6vw, 3.2rem); line-height: 1.02; letter-spacing: -0.015em; margin: 0; color: var(--hn-ink); }
.hn-sub { font-family: var(--hn-sans); font-weight: 600; font-size: clamp(1.3rem, 3.5vw, 1.8rem); line-height: 1.15; color: var(--hn-accent); margin: 0.4em 0 1em; }
.hn-hero-line { color: var(--hn-ink-2); font-size: 1.05em; max-width: 30rem; hyphens: none; }
.hn-cta { margin-top: 1.6em; }
.hn-btn { display: inline-block; font-family: var(--hn-sans); font-weight: 600; font-size: 0.95rem; padding: 0.6em 1.1em; background: var(--hn-accent); color: #fff !important; border: none !important; border-radius: 3px; margin: 0 0.6em 0.6em 0; }
.hn-btn:hover { background: var(--hn-accent-2); }
.hn-btn-2 { background: transparent; color: var(--hn-accent) !important; box-shadow: inset 0 0 0 1.5px var(--hn-accent); }
.hn-btn-2:hover { background: var(--hn-accent-tint); }
.hn-home h2 { margin-top: 1.6em; }

/* ---- v1.1 docking layer ---- */
/* deep anchors: land below the sticky header, highlight the target briefly */
.hn-body [id], .hn-body { scroll-margin-top: 5.5rem; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
.hn-body :target { animation: hn-target 2.4s ease-out 1; }
@keyframes hn-target { 0% { background-color: var(--hn-accent-tint); } 100% { background-color: transparent; } }

/* router */
.hn-router-lede { font-family: var(--hn-sans); color: var(--hn-ink-2); font-size: 0.95rem; margin: -0.4em 0 1em; }
.hn-router { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.9rem; margin: 0 0 2.4em; }
@media (max-width: 640px) { .hn-router { grid-template-columns: 1fr; } }
.hn-route { border: 1px solid var(--hn-ink); border-left: 3px solid var(--hn-accent); padding: 0.85em 1em 0.8em; background: #fff; font-family: var(--hn-sans); display: flex; flex-direction: column; gap: 0.5em; min-height: 6.2em; }
.hn-route-q { font-weight: 600; font-size: 1rem; line-height: 1.35; margin: 0; color: var(--hn-ink); hyphens: none; }
.hn-route-to { margin: auto 0 0; font-size: 0.86rem; line-height: 1.5; }
.hn-route-to a { display: block; border: none; color: var(--hn-ink-2); padding: 0.15em 0; }
.hn-route-to a .n { font-family: var(--hn-mono); color: var(--hn-accent); font-weight: 500; margin-right: 0.4em; }
.hn-route-to a:hover { color: var(--hn-accent); }

/* ontological stack */
.hn-body figure.hn-stack-fig { margin: 1.2em auto 2em; max-width: 30rem; }
.hn-stack-fig svg.hn-stack { display: block; width: 100%; height: auto; }
.hn-stack-fig figcaption { text-align: left; }

/* audio slot */
.hn-audio { display: flex; flex-wrap: wrap; align-items: center; gap: 0.5em 1em; margin: -1.4em 0 2.4em; padding: 0.7em 0 0.7em 1.6rem; border-left: 10px solid var(--hn-rule-2); font-family: var(--hn-sans); }
.hn-audio .lab { font-family: var(--hn-mono); font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--hn-ink-2); flex-basis: 100%; }
.hn-audio audio { height: 36px; max-width: 100%; flex: 1 1 18rem; filter: grayscale(1) contrast(1.05); }
.hn-audio-pending { font-family: var(--hn-mono); font-size: 0.78rem; color: var(--hn-ink-3); }
.hn-audio-note { flex-basis: 100%; margin: 0; font-size: 0.86rem; color: var(--hn-ink-3); }

/* active nodes telemetry */
.hn-telemetry-head { margin: 1.2em 0 1.4em; padding: 0.2em 0 0.2em 1.2rem; border-left: 3px solid var(--hn-accent); font-style: italic; color: var(--hn-ink-2); }
.hn-telemetry-head p { margin: 0; }
.hn-tele-form { display: grid; grid-template-columns: minmax(8rem, 1fr) 2.4fr auto; gap: 0.8rem; align-items: end; margin: 1.6em 0 1em; padding: 1em 1.1em; border: 1px solid var(--hn-ink); font-family: var(--hn-sans); }
@media (max-width: 640px) { .hn-tele-form { grid-template-columns: 1fr; } }
.hn-tele-form label { display: flex; flex-direction: column; gap: 0.3em; }
.hn-tele-form .lab { font-family: var(--hn-mono); font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--hn-ink-2); }
.hn-tele-form input[type=text] { font: inherit; font-size: 0.95rem; padding: 0.5em 0.6em; border: 1px solid var(--hn-rule); border-radius: 2px; background: #fff; color: var(--hn-ink); width: 100%; box-sizing: border-box; }
.hn-tele-form input[type=text]:focus { outline: 2px solid var(--hn-accent); outline-offset: 1px; border-color: var(--hn-accent); }
.hn-tele-form button.hn-btn { margin: 0; cursor: pointer; line-height: 1.3; }
.hn-tele-hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.hn-tele-ok, .hn-tele-err { font-family: var(--hn-mono); font-size: 0.82rem; margin: 0 0 1em; }
.hn-tele-ok { color: var(--hn-accent); }
.hn-tele-err { color: var(--hn-ink); }
ol.hn-telemetry { list-style: none; padding: 0; margin: 1em 0 2em; font-family: var(--hn-mono); font-size: 0.84rem; line-height: 1.55; border-top: 1px solid var(--hn-rule); }
ol.hn-telemetry li { margin: 0; padding: 0.55em 0; border-bottom: 1px solid var(--hn-rule-2); color: var(--hn-ink-2); }
ol.hn-telemetry time { color: var(--hn-ink-3); }
ol.hn-telemetry .reg { color: var(--hn-accent); }
ol.hn-telemetry .log { color: var(--hn-ink); font-family: var(--hn-serif); font-size: 0.98rem; }

/* footer agent line */
.hn-agent-line a { color: inherit; }