/* ================================================================
   Carabase Manifesto — reading stylesheet
   Extends the editorial-hacker tokens from index.html
   ================================================================ */
:root {
  --bg: #efe9dc;
  --surface: #f8f2e5;
  --surface-2: #e3dbc9;
  --fg: #1d1914;
  --muted: #726b60;
  --muted-2: #a49c8d;
  --hairline: #d0c8b5;
  --hairline-2: #b7ad97;

  --moss: #4d6238;
  --moss-dim: #7d9167;
  --ember: #a24d26;
  --ember-dim: #c47554;

  --destructive: #ef4444;

  --f-serif: "Instrument Serif", Georgia, serif;
  --f-sans: "Geist", system-ui, -apple-system, sans-serif;
  --f-mono: "IBM Plex Mono", ui-monospace, Menlo, monospace;

  --reading-max: 40rem;
  --content-max: 72rem;
  --gutter: clamp(1.25rem, 4vw, 2rem);
}

*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  border-radius: 0 !important;
}

html {
  scroll-behavior: smooth;
  background: var(--bg);
  color: var(--fg);
}

body {
  font-family: var(--f-sans);
  font-size: 14px;
  line-height: 1.6;
  letter-spacing: -0.005em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  position: relative;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='140' height='140'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='1.2' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0  0 0 0 0 0  0 0 0 0 0  0 0 0 0.04 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
  mix-blend-mode: multiply;
  opacity: 0.55;
  z-index: 1;
}

#app {
  position: relative;
  z-index: 2;
}

a { color: inherit; text-decoration: none; }

::selection { background: var(--ember); color: var(--bg); }

.container {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.reading {
  max-width: var(--reading-max);
  margin: 0 auto;
}

/* ================================================================
   Navigation
   ================================================================ */
nav.site {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(1.4) blur(10px);
  -webkit-backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease;
}

nav.site.scrolled {
  border-bottom-color: var(--hairline);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--f-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg);
}

.nav-brand .sigil {
  width: 26px;
  height: 26px;
  display: block;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav-links a {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  transition: color 0.15s;
}

.nav-links a:hover { color: var(--fg); }

.nav-links a.active { color: var(--fg); }

/* Primary CTA in the nav — beat the muted rule above */
.nav-links a.btn-primary {
  color: var(--bg);
  background: var(--ember);
  border-color: var(--ember);
  font-weight: 600;
}
.nav-links a.btn-primary:hover {
  color: var(--fg);
  background: var(--ember-dim);
  border-color: var(--ember-dim);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 20px;
  border: 1px solid var(--hairline-2);
  background: transparent;
  color: var(--fg);
  font-family: var(--f-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: all 0.15s ease;
  text-decoration: none;
  line-height: 1;
}

.btn:hover { border-color: var(--ember); color: var(--ember); }

.btn-primary {
  background: var(--ember);
  color: var(--bg);
  border-color: var(--ember);
  font-weight: 600;
}

.btn-primary:hover {
  background: var(--ember-dim);
  border-color: var(--ember-dim);
  color: var(--fg);
}

/* ================================================================
   Part header
   ================================================================ */
.part-header {
  padding: clamp(4rem, 10vh, 7rem) 0 clamp(2rem, 5vh, 3.5rem);
  border-bottom: 1px solid var(--hairline);
}

.part-header .reading {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.part-eyebrow {
  font-family: var(--f-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--ember);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.part-eyebrow::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  background: var(--ember);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--ember) 20%, transparent);
}

.part-title {
  font-family: var(--f-serif);
  font-size: clamp(2.25rem, 5.5vw, 4rem);
  line-height: 1.05;
  letter-spacing: -0.01em;
  color: var(--fg);
}

.part-subtitle {
  font-family: var(--f-serif);
  font-style: italic;
  font-size: clamp(1.1rem, 1.6vw, 1.35rem);
  line-height: 1.45;
  color: var(--muted);
}

.part-meta {
  display: flex;
  gap: 1.5rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--hairline);
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ================================================================
   Reading article
   ================================================================ */
.article {
  padding: clamp(2.5rem, 6vh, 4rem) 0 clamp(4rem, 10vh, 6rem);
}

.article .reading > * + * { margin-top: 1.25rem; }

.article p {
  font-family: var(--f-serif);
  font-size: clamp(1.075rem, 1.25vw, 1.2rem);
  line-height: 1.7;
  color: var(--fg);
}

.article h2 {
  font-family: var(--f-serif);
  font-size: clamp(1.75rem, 3vw, 2.35rem);
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--fg);
  margin-top: 3rem !important;
  padding-top: 1.5rem;
  border-top: 1px solid var(--hairline);
}

.article h3 {
  font-family: var(--f-serif);
  font-size: clamp(1.3rem, 2vw, 1.6rem);
  line-height: 1.2;
  color: var(--fg);
  margin-top: 2.25rem !important;
}

.article h3 .num {
  font-family: var(--f-mono);
  font-size: 0.7em;
  font-weight: 600;
  color: var(--ember);
  margin-right: 0.75em;
  letter-spacing: 0.04em;
}

.article ul,
.article ol {
  font-family: var(--f-serif);
  font-size: clamp(1.075rem, 1.25vw, 1.2rem);
  line-height: 1.65;
  color: var(--fg);
  padding-left: 1.5rem;
}

.article li + li { margin-top: 0.5rem; }

.article li strong {
  font-family: var(--f-sans);
  font-weight: 600;
  font-size: 0.95em;
  letter-spacing: 0.005em;
}

.article em { font-style: italic; }

.article strong {
  font-weight: 600;
  color: var(--fg);
}

.article hr {
  border: 0;
  height: 1px;
  background: var(--hairline);
  margin: 2.5rem 0 !important;
}

.article blockquote {
  border-left: 3px solid var(--ember);
  padding: 0.25rem 0 0.25rem 1.5rem;
  font-style: italic;
  color: var(--muted);
  margin-top: 1.5rem;
}

.article code {
  font-family: var(--f-mono);
  font-size: 0.88em;
  background: var(--surface);
  padding: 0.1em 0.4em;
  border: 1px solid var(--hairline);
  color: var(--fg);
}

/* Drop cap on first paragraph */
.article .reading > p:first-of-type::first-letter {
  font-family: var(--f-serif);
  font-size: 4em;
  line-height: 0.85;
  float: left;
  padding: 0.1em 0.12em 0 0;
  color: var(--ember);
}

/* ================================================================
   Pager
   ================================================================ */
.pager {
  border-top: 1px solid var(--hairline);
  padding: clamp(3rem, 8vh, 5rem) 0;
  background: var(--bg);
}

.pager-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.pager-link {
  padding: 1.75rem;
  background: var(--surface);
  border: 1px solid var(--hairline-2);
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  transition: border-color 0.15s;
  min-height: 140px;
}

.pager-link:hover { border-color: var(--ember); }

.pager-link .dir {
  font-family: var(--f-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ember);
}

.pager-link .title {
  font-family: var(--f-serif);
  font-size: 1.35rem;
  line-height: 1.25;
  color: var(--fg);
}

.pager-link .desc {
  font-family: var(--f-sans);
  font-size: 13px;
  color: var(--muted);
  line-height: 1.5;
}

.pager-link.next { text-align: right; align-items: flex-end; }
.pager-link.disabled {
  opacity: 0.4;
  pointer-events: none;
}

@media (max-width: 720px) {
  .pager-grid { grid-template-columns: 1fr; }
  .pager-link.next { text-align: left; align-items: flex-start; }
}

/* ================================================================
   CTA strip
   ================================================================ */
.cta-strip {
  border-top: 1px solid var(--hairline);
  padding: clamp(3rem, 7vh, 4.5rem) 0;
  background: var(--bg);
}

.cta-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.cta-text {
  font-family: var(--f-serif);
  font-size: clamp(1.15rem, 1.6vw, 1.4rem);
  line-height: 1.4;
  color: var(--fg);
  max-width: 44ch;
}

/* ================================================================
   Footer
   ================================================================ */
footer {
  padding: 2rem 0;
  border-top: 1px solid var(--hairline);
  background: var(--bg);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.footer-left {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--f-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--muted);
  text-transform: uppercase;
}

.footer-left .sigil {
  width: 20px;
  height: 20px;
  display: block;
}

.footer-right {
  display: flex;
  gap: 20px;
}

.footer-right a {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted-2);
  transition: color 0.15s;
}

.footer-right a:hover { color: var(--fg); }

/* ================================================================
   Manifesto index page
   ================================================================ */
.index-hero {
  padding: clamp(4rem, 10vh, 7rem) 0 clamp(3rem, 6vh, 4rem);
  border-bottom: 1px solid var(--hairline);
}

.index-grid {
  padding: clamp(3rem, 8vh, 5rem) 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.index-card {
  background: var(--surface);
  border: 1px solid var(--hairline-2);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: border-color 0.15s;
  min-height: 260px;
}

.index-card:hover { border-color: var(--ember); }

.index-card .part {
  font-family: var(--f-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ember);
}

.index-card .title {
  font-family: var(--f-serif);
  font-size: 1.75rem;
  line-height: 1.15;
  color: var(--fg);
}

.index-card .desc {
  font-family: var(--f-sans);
  font-size: 14px;
  line-height: 1.65;
  color: var(--muted);
  flex: 1;
}

.index-card .cta {
  font-family: var(--f-mono);
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.04em;
  padding-top: 0.75rem;
  border-top: 1px solid var(--hairline);
}

.index-card:hover .cta { color: var(--ember); }

@media (max-width: 820px) {
  .index-grid { grid-template-columns: 1fr; }
}

/* ================================================================
   Mobile nav
   ================================================================ */
.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--hairline-2);
  color: var(--fg);
  padding: 8px 10px;
  cursor: pointer;
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
}

@media (max-width: 860px) {
  .nav-links { display: none; }
  .nav-toggle { display: block; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--hairline);
    padding: 1.5rem var(--gutter);
    gap: 14px;
    align-items: flex-start;
  }
}

/* ================================================================
   Whitepaper components (shared by /connectors, /cli, /architecture)
   ================================================================ */
.doc-meta {
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
}
.doc-meta-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 1rem;
  padding: 0.85rem 0;
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}
.doc-meta-cell .lbl { color: var(--muted-2); display: block; margin-bottom: 0.2rem; }
.doc-meta-cell .val { color: var(--fg); }
.doc-meta-cell.right { text-align: right; }
@media (max-width: 720px) {
  .doc-meta-inner { grid-template-columns: 1fr 1fr; row-gap: 0.85rem; }
  .doc-meta-cell.right { text-align: left; }
}

.sec-rule {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 1.25rem;
  align-items: end;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--hairline-2);
  margin-bottom: 2.5rem;
}
.sec-rule .sec-num {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ember);
}
.sec-rule .sec-name {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}
.sec-rule .sec-pg {
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--muted-2);
}
@media (max-width: 540px) {
  .sec-rule { grid-template-columns: auto 1fr; }
  .sec-rule .sec-pg { display: none; }
}

.paper {
  padding: clamp(3rem, 7vh, 5rem) 0;
  border-bottom: 1px solid var(--hairline);
}
.paper:last-of-type { border-bottom: none; }

.paper h2 {
  font-family: var(--f-serif);
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--fg);
  margin-bottom: 1.25rem;
  max-width: 24ch;
}
.paper h2 .sec-pref {
  font-family: var(--f-mono);
  font-size: 0.42em;
  letter-spacing: 0.16em;
  color: var(--ember);
  vertical-align: 0.55em;
  margin-right: 0.7em;
  font-weight: 600;
}
.paper-lede {
  font-family: var(--f-serif);
  font-style: italic;
  font-size: clamp(1.1rem, 1.55vw, 1.35rem);
  line-height: 1.45;
  color: var(--muted);
  max-width: 56ch;
  margin-bottom: 2rem;
}
.paper-body {
  font-family: var(--f-sans);
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
  max-width: 60ch;
}
.paper-body + .paper-body { margin-top: 1rem; }
.paper-body strong { color: var(--fg); font-weight: 600; }
.paper-body code {
  font-family: var(--f-mono);
  font-size: 0.88em;
  background: var(--surface);
  padding: 0.1em 0.4em;
  border: 1px solid var(--hairline);
  color: var(--fg);
}

/* Pre / code block — terminal style */
.codeblock {
  font-family: var(--f-mono);
  font-size: 12.5px;
  line-height: 1.6;
  background: var(--surface);
  border: 1px solid var(--hairline-2);
  border-left: 3px solid var(--ember);
  padding: 1rem 1.25rem;
  white-space: pre;
  overflow-x: auto;
  color: var(--fg);
  margin: 1.25rem 0;
}
.codeblock .cmt { color: var(--muted-2); }
.codeblock .cmd { color: var(--ember); }

/* Connectors table */
.matrix {
  margin-top: 1.5rem;
  border-top: 1px solid var(--hairline-2);
}
.matrix-group {
  border-bottom: 1px solid var(--hairline-2);
  padding: 1.5rem 0 0.5rem;
}
.matrix-group-head {
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ember);
  margin-bottom: 1rem;
}
.matrix-row {
  display: grid;
  grid-template-columns: 1.4fr 2fr 0.6fr;
  gap: 1rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--hairline);
  align-items: baseline;
}
.matrix-row:last-child { border-bottom: none; }
.matrix-row .name {
  font-family: var(--f-serif);
  font-size: 1.05rem;
  color: var(--fg);
  line-height: 1.3;
}
.matrix-row .shape {
  font-family: var(--f-sans);
  font-size: 13.5px;
  color: var(--muted);
  line-height: 1.5;
}
.matrix-row .tier {
  font-family: var(--f-mono);
  font-size: 11px;
  color: var(--fg);
  letter-spacing: 0.05em;
  text-align: right;
}
@media (max-width: 720px) {
  .matrix-row {
    grid-template-columns: 1fr;
    row-gap: 0.25rem;
  }
  .matrix-row .tier { text-align: left; }
}

.figure {
  border-top: 1px solid var(--hairline-2);
  padding-top: 0.85rem;
  margin-top: 2rem;
  font-family: var(--f-mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}
.figure .figure-num { color: var(--ember); margin-right: 0.6rem; }

.exhibit {
  border-top: 1px solid var(--hairline-2);
  border-bottom: 1px solid var(--hairline-2);
  padding: 1.5rem 0;
  margin: 2rem 0;
  display: grid;
  grid-template-columns: 5rem 1fr;
  gap: 1.5rem;
}
.exhibit .exhibit-tag {
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ember);
}
.exhibit .exhibit-body {
  font-family: var(--f-serif);
  font-size: clamp(1.15rem, 1.7vw, 1.45rem);
  line-height: 1.4;
  color: var(--fg);
}
@media (max-width: 540px) {
  .exhibit { grid-template-columns: 1fr; gap: 0.6rem; }
}

.colophon {
  border-top: 1px solid var(--hairline);
  padding: 1.5rem 0;
  background: var(--bg);
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--muted-2);
  text-transform: uppercase;
}
.colophon-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  justify-content: space-between;
}
.colophon span strong { color: var(--fg); margin-left: 0.35rem; font-weight: 600; }

/* TOC sidebar for long pages */
.toc {
  position: sticky;
  top: 5rem;
  font-family: var(--f-mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  border-left: 1px solid var(--hairline);
  padding-left: 1rem;
}
.toc-head {
  color: var(--ember);
  margin-bottom: 0.85rem;
  font-size: 10px;
  letter-spacing: 0.18em;
}
.toc ol {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.toc a {
  color: var(--muted);
  display: flex;
  gap: 0.65rem;
  align-items: baseline;
  transition: color 0.15s;
}
.toc a .num { color: var(--ember); font-size: 10px; min-width: 2.5rem; }
.toc a:hover { color: var(--fg); }
.with-toc {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 14rem;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}
@media (max-width: 900px) {
  .with-toc { grid-template-columns: 1fr; }
  .toc { display: none; }
}

/* Section-level h3 inside .paper */
.paper h3 {
  font-family: var(--f-serif);
  font-size: clamp(1.35rem, 2vw, 1.7rem);
  line-height: 1.25;
  color: var(--fg);
  margin: 2rem 0 0.75rem;
  max-width: 30ch;
}
.paper h3 .sub-num {
  font-family: var(--f-mono);
  font-size: 0.5em;
  letter-spacing: 0.14em;
  color: var(--ember);
  margin-right: 0.65em;
  vertical-align: 0.4em;
  font-weight: 600;
}

/* Hero shared by new pages */
.paper-hero {
  padding: clamp(3.5rem, 9vh, 6rem) 0 clamp(2.5rem, 6vh, 4rem);
}
.paper-hero .eyebrow {
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ember);
  display: inline-flex;
  gap: 0.85rem;
  align-items: center;
}
.paper-hero .eyebrow .sep {
  width: 18px; height: 1px; background: var(--ember); opacity: 0.6;
}
.paper-hero h1 {
  font-family: var(--f-serif);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  line-height: 1.05;
  letter-spacing: -0.01em;
  margin-top: 1.25rem;
  max-width: 20ch;
  color: var(--fg);
}
.paper-hero .deck {
  font-family: var(--f-serif);
  font-style: italic;
  font-size: clamp(1.2rem, 1.7vw, 1.5rem);
  line-height: 1.45;
  color: var(--muted);
  margin-top: 1rem;
  max-width: 44ch;
}
.paper-hero .byline {
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted-2);
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
  padding-top: 1.25rem;
  border-top: 1px solid var(--hairline);
  margin-top: 2rem;
}
.paper-hero .byline strong { color: var(--fg); margin-left: 0.35rem; font-weight: 600; }