/* Ledger — rizzn.net token skin (Sharpie / Technor / Satoshi + paper/gold) */

:root {
  --ink: #2d1c0b;
  --ink-deep: #4b2e0e;
  --sepia: #7a5c2e;
  --paper: #fffbe6;
  --paper-warm: #f5ecd7;
  --gold: #a67c52;
  --gold-bright: #ffb300;
  --gold-dark: #7a5c2e;
  --font-display: 'Sharpie', 'Impact', Arial, sans-serif;
  --font-heading: 'Technor', Arial, sans-serif;
  --font-body: 'Satoshi', Arial, sans-serif;
  --border: 3px;
  /* DSC mark lockup — same bar→D rules as decisionsciencecorp.com */
  --brand-wordmark-d-height-em: 0.7222;
  --brand-logo-bar-thickness-ratio: 0.2725;
  --brand-mark-height-em: calc(var(--brand-wordmark-d-height-em) / var(--brand-logo-bar-thickness-ratio));
  --brand-logo-bar-center-ratio: 0.7331;
  --brand-logo-bar-center-offset-ratio: calc(var(--brand-logo-bar-center-ratio) - 0.5);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper-warm) url('/assets/comic-paper-bk.png') repeat;
  line-height: 1.55;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
img { max-width: 100%; height: auto; }
a { color: var(--gold-dark); }
a:hover { color: var(--gold); }
h1, h2, h3 { font-family: var(--font-heading); line-height: 1.15; }

.masthead {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--paper);
  border-bottom: var(--border) solid var(--ink);
  box-shadow: 0 3px 0 var(--ink);
}
.masthead-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0.45rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.brand {
  font-family: var(--font-display);
  font-size: 1.35rem;
  letter-spacing: 0.06em;
  text-decoration: none;
  color: var(--ink);
  text-transform: uppercase;
  text-shadow: 1px 1px 0 var(--gold-bright);
}
.navlinks {
  display: flex;
  gap: 1.15rem;
  flex-wrap: wrap;
  align-items: center;
}
.navlinks a {
  font-family: var(--font-heading);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.82rem;
  letter-spacing: 0.05em;
  text-decoration: none;
  color: var(--ink-deep);
}
.navlinks a:hover { color: var(--gold); }
.navlinks a.active {
  color: var(--ink);
  border-bottom: 3px solid var(--gold-bright);
}
.nav-burger {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 40px;
  height: 34px;
  padding: 6px 7px;
  background: var(--paper);
  border: var(--border) solid var(--ink);
  border-radius: 6px;
  cursor: pointer;
}
.nav-burger span {
  display: block;
  height: 3px;
  background: var(--ink);
  border-radius: 1px;
}

.ledger-main { flex: 1; }
.ledger-wrap {
  max-width: 920px;
  margin: 0 auto;
  padding: 1.75rem 1rem 3rem;
}

.crumbs ol {
  list-style: none;
  margin: 0 0 1.25rem;
  padding: 0;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--sepia);
}
.crumbs li { display: inline; }
.crumbs li:not(:last-child)::after { content: " / "; color: var(--sepia); }
.crumbs a { color: var(--gold-dark); text-decoration: none; font-weight: 700; }
.crumbs .here { color: var(--ink); font-weight: 700; }

.hero-block h1 {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 6vw, 3.4rem);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin: 0 0 0.5rem;
  text-shadow: 2px 2px 0 var(--gold-bright);
}
.hero-block .tagline {
  font-family: var(--font-heading);
  color: var(--sepia);
  font-size: 1.05rem;
  margin: 0 0 1.5rem;
}

.report-card {
  display: block;
  text-decoration: none;
  color: inherit;
  background: var(--paper);
  border: var(--border) solid var(--ink);
  box-shadow: 5px 5px 0 var(--ink);
  padding: 1.15rem 1.25rem;
  margin: 0 0 1.25rem;
  transition: transform 0.12s ease;
}
.report-card:hover { transform: translate(-2px, -2px); box-shadow: 7px 7px 0 var(--ink); }
.report-card h2 {
  margin: 0 0 0.35rem;
  font-size: 1.35rem;
  text-transform: uppercase;
}
.report-card .meta {
  font-size: 0.85rem;
  color: var(--sepia);
  font-family: var(--font-heading);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0.5rem;
}
.report-card p { margin: 0; color: var(--ink-deep); }

.section-label {
  font-family: var(--font-heading);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.85rem;
  color: var(--sepia);
  margin: 0 0 0.85rem;
}
.lane-section { margin-top: 2.25rem; }
.lane-card {
  border-style: dashed;
}
.ext-cta {
  display: inline-block;
  margin-top: 0.75rem;
  font-family: var(--font-heading);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  text-decoration: none;
  color: var(--ink);
  background: var(--gold-bright);
  border: var(--border) solid var(--ink);
  padding: 0.55rem 0.9rem;
  box-shadow: 3px 3px 0 var(--ink);
}
.ext-cta:hover { color: var(--ink); transform: translate(-1px, -1px); }

.contact-flash {
  font-family: var(--font-heading);
  font-weight: 700;
  padding: 0.65rem 0.85rem;
  border: var(--border) solid var(--ink);
  box-shadow: 3px 3px 0 var(--ink);
  margin: 0 0 1rem;
}
.contact-flash-ok {
  background: #d8f5d0;
}
.contact-flash-err {
  background: #f8d4c8;
}
.ledger-contact {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  max-width: 28rem;
  margin: 1rem 0 0;
  padding: 1rem;
  background: var(--paper);
  border: var(--border) solid var(--ink);
  box-shadow: 4px 4px 0 var(--ink);
}
.ledger-contact .contact-honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.ledger-contact label {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-family: var(--font-heading);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--sepia);
}
.ledger-contact input,
.ledger-contact textarea {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 400;
  text-transform: none;
  letter-spacing: normal;
  color: var(--ink);
  background: var(--paper-warm);
  border: 2px solid var(--ink);
  padding: 0.55rem 0.65rem;
}
.ledger-contact textarea { resize: vertical; min-height: 7rem; }
.ledger-contact button {
  align-self: flex-start;
  font-family: var(--font-heading);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ink);
  background: var(--gold-bright);
  border: var(--border) solid var(--ink);
  padding: 0.55rem 0.95rem;
  box-shadow: 3px 3px 0 var(--ink);
  cursor: pointer;
}
.ledger-contact button:hover {
  transform: translate(-1px, -1px);
}

.wiki-side {
  display: grid;
  gap: 1.5rem;
}
@media (min-width: 860px) {
  .wiki-side {
    grid-template-columns: 200px 1fr;
    align-items: start;
  }
}
.wiki-toc {
  background: var(--paper);
  border: var(--border) solid var(--ink);
  padding: 0.65rem 0.85rem;
  box-shadow: 3px 3px 0 var(--ink);
}
.toc-panel { margin: 0; }
.toc-summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding: 0.15rem 1.5rem 0.15rem 0;
  position: relative;
}
.toc-summary::-webkit-details-marker { display: none; }
.toc-summary::after {
  content: '';
  position: absolute;
  right: 0.15rem;
  top: 50%;
  width: 0.55rem;
  height: 0.55rem;
  border-right: 2.5px solid var(--ink);
  border-bottom: 2.5px solid var(--ink);
  transform: translateY(-65%) rotate(45deg);
  transition: transform 0.15s ease;
}
.toc-panel[open] > .toc-summary::after {
  transform: translateY(-20%) rotate(225deg);
}
.toc-kicker {
  font-family: var(--font-heading);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--sepia);
}
.toc-here {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.2;
}
.wiki-toc ol {
  margin: 0.75rem 0 0;
  padding-left: 1.1rem;
  font-family: var(--font-heading);
  font-size: 0.9rem;
}
.wiki-toc a { text-decoration: none; font-weight: 700; }

/* Desktop: always-open sidebar; summary becomes the section label */
@media (min-width: 860px) {
  .wiki-toc {
    padding: 0.85rem 1rem;
    position: sticky;
    top: 4.25rem;
  }
  .toc-summary {
    cursor: default;
    padding-right: 0;
    pointer-events: none;
  }
  .toc-summary::after { display: none; }
  .toc-here { display: none; }
  .wiki-toc ol { margin-top: 0.6rem; }
}

.prose h2 {
  margin-top: 1.75rem;
  text-transform: uppercase;
  font-size: 1.25rem;
  border-bottom: 2px solid var(--ink);
  padding-bottom: 0.25rem;
}
.prose figure {
  margin: 1.25rem 0;
  background: var(--paper);
  border: var(--border) solid var(--ink);
  padding: 0.5rem;
  box-shadow: 4px 4px 0 var(--ink);
}
.prose table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
  margin: 1rem 0 1.5rem;
  background: var(--paper);
  border: var(--border) solid var(--ink);
  box-shadow: 3px 3px 0 var(--ink);
}
.prose th, .prose td {
  border: 1px solid rgba(45, 28, 11, 0.25);
  padding: 0.45rem 0.55rem;
  text-align: left;
  vertical-align: top;
}
.prose th {
  font-family: var(--font-heading);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 0.78rem;
  background: rgba(166, 124, 82, 0.12);
}
.prose pre {
  overflow-x: auto;
  background: var(--paper);
  border: var(--border) solid var(--ink);
  padding: 0.75rem 1rem;
  font-size: 0.85rem;
}
.prose code {
  font-size: 0.88em;
}
.prose .mermaid {
  background: var(--paper);
  border: var(--border) solid var(--ink);
  padding: 1rem;
  margin: 1.25rem 0;
  overflow-x: auto;
  box-shadow: 3px 3px 0 var(--ink);
}
.wiki-toc {
  max-height: min(70vh, 640px);
  overflow: auto;
  position: sticky;
  top: 4.5rem;
}
.prose blockquote {
  margin: 1rem 0;
  padding: 0.6rem 1rem;
  border-left: 4px solid var(--gold);
  background: rgba(166, 124, 82, 0.08);
}

.site-footer {
  margin-top: auto;
  background: var(--paper);
  border-top: var(--border) solid var(--ink);
  box-shadow: 0 -3px 0 var(--ink);
}
.footer-inner { padding-top: 1.5rem; padding-bottom: 2rem; }
.footer-navlinks {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.35rem;
  margin-bottom: 1.25rem;
}
.footer-navlinks a {
  font-family: var(--font-heading);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  text-decoration: none;
}
.footer-research-lane {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.65rem 1rem;
  margin-bottom: 1.35rem;
}
.footer-kicker {
  margin: 0;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--sepia);
  width: 100%;
}
.footer-pill {
  display: inline-block;
  font-family: var(--font-heading);
  font-weight: 700;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--ink);
  background: var(--gold-bright);
  border: var(--border) solid var(--ink);
  padding: 0.4rem 0.75rem;
  box-shadow: 3px 3px 0 var(--ink);
}
.footer-pill-note { font-size: 0.85rem; color: var(--sepia); }
.footer-dsc {
  padding-top: 1rem;
  border-top: 2px dashed var(--paper-tan, #e0c48f);
}
.dsc-lockup {
  display: inline-flex;
  align-items: center;
  gap: 0.15rem;
  text-decoration: none;
  color: var(--ink);
  font-size: 1.125rem;
  max-width: 100%;
  /* Keep wordmark beside the bar — never stack under the waveform */
  flex-wrap: nowrap;
}
.dsc-lockup:hover { color: var(--gold-dark); }
.dsc-lockup-img {
  display: block;
  height: calc(var(--brand-mark-height-em) * 1em);
  width: auto;
  flex-shrink: 0;
  align-self: center;
}
.dsc-lockup-text {
  font-family: var(--font-heading);
  font-size: 1em;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.15;
  margin-left: -0.02em;
  /* Bar centerline, not mark center — D sits on the black bar */
  transform: translateY(calc(var(--brand-logo-bar-center-offset-ratio) * var(--brand-mark-height-em) * 1em));
  overflow-wrap: anywhere;
  min-width: 0;
}
@media (max-width: 720px) {
  .dsc-lockup { font-size: 0.95rem; }
}
.footer-license {
  margin: 1rem 0 0;
  font-size: 0.82rem;
  color: var(--sepia);
  max-width: 40rem;
}
.footer-license a {
  color: var(--ink-deep);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 0.15em;
}
.footer-license a:hover { color: var(--gold); }

@media (max-width: 720px) {
  .nav-burger { display: flex; }
  .navlinks {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: var(--paper);
    border-bottom: var(--border) solid var(--ink);
    padding: 0.5rem 1rem 1rem;
  }
  .navlinks.open { display: flex; }
  .navlinks a { padding: 0.65rem 0; border-bottom: 1px solid rgba(45,28,11,0.12); }
}