/* TrustNet — shared stylesheet for every static page (homepage, documents,
   legal). The shell is modelled on the tamper-proof-audit document: the same
   header, theme toggle, document hero/TOC, typography, and footer.
   Skin: the _DESIGN/styles/v2 product palette — light-first indigo, with a
   dark navy option via <html data-theme="dark">. Standalone: no build step.
   Fonts are self-hosted from fonts/; Mermaid (audit page only) is local. */

:root {
  color-scheme: light;

  /* surfaces */
  --bg: #f7f8fa;
  --bg-alt: #eef1f5;
  --panel: #ffffff;
  --panel-2: #ffffff;

  /* borders */
  --border: #d5dbe3;
  --border-soft: #e6eaf0;
  --border-strong: #aab4c0;

  /* text */
  --text: #0f172a;
  --text-2: #475569;
  --text-3: #64748b;

  /* interactive — indigo */
  --accent: #4f46e5;
  --accent-hover: #4338ca;
  --accent-soft: rgba(79, 70, 229, 0.06);
  --accent-border: rgba(79, 70, 229, 0.24);

  /* primary control — solid indigo with white text */
  --btn-bg: #4f46e5;
  --btn-bg-hover: #4338ca;
  --btn-fg: #ffffff;
  --on-accent: #ffffff;

  /* status — emerald stays the verified/success signal */
  --success: #047857;
  --success-soft: rgba(4, 120, 87, 0.06);
  --success-border: rgba(4, 120, 87, 0.22);
  --amber: #b45309;
  --amber-soft: rgba(180, 83, 9, 0.1);
  --amber-border: rgba(180, 83, 9, 0.28);
  --danger: #b91c1c;

  /* chrome */
  --header-bg: rgba(247, 248, 250, 0.9);
  --mark-bg: #f1f3f7;
  --ghost-bg: #f1f3f7;
  --ghost-bg-hover: #eef1f6;
  --ghost-border-hover: #aab4c0;
  --snippet-bg: #f1f3f7;
  --tag-bg: #f1f3f7;
  --tab-bg: #eef1f5;
  --jwt-bg: #ffffff;
  --jwt-bar-bg: #f1f3f7;
  --jwt-foot-bg: #f1f3f7;
  --jwt-tab-active-bg: #d5dbe3;
  --hero-grad: linear-gradient(180deg, #f7f8fa 0%, #eef1f5 55%, #f7f8fa 100%);
  --hl-bg: rgba(180, 83, 9, 0.1);
  --callout-grad: linear-gradient(
    90deg,
    rgba(180, 83, 9, 0.1) 0%,
    #f7f8fa 55%,
    rgba(241, 243, 247, 0.6) 100%
  );

  /* type */
  --sans: "Plus Jakarta Sans", ui-sans-serif, system-ui, -apple-system,
    "Segoe UI", Roboto, sans-serif;
  --heading: "Space Grotesk", ui-sans-serif, system-ui, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas,
    "Liberation Mono", "Courier New", monospace;

  --max: 1152px;
  --gutter: clamp(1rem, 4vw, 2.5rem);
  --radius: 8px;
  --radius-lg: 12px;
}

/* ---- Dark navy (opt-in) --------------------------------------------------- */
:root[data-theme="dark"] {
  color-scheme: dark;

  --bg: #0b1120;
  --bg-alt: #080d18;
  --panel: #111a2e;
  --panel-2: #111a2e;

  --border: #2a3650;
  --border-soft: #1d2740;
  --border-strong: #3b4a6b;

  --text: #f1f5f9;
  --text-2: #a6b3c9;
  --text-3: #7b8aa5;

  --accent: #818cf8;
  --accent-hover: #a5b4fc;
  --accent-soft: #1e2547;
  --accent-border: rgba(129, 140, 248, 0.28);

  /* the filled action uses the deeper indigo for white-text contrast, not the
     brighter link indigo */
  --btn-bg: #4f46e5;
  --btn-bg-hover: #6366f1;
  --btn-fg: #ffffff;
  --on-accent: #ffffff;

  --success: #34d399;
  --success-soft: rgba(52, 211, 153, 0.08);
  --success-border: rgba(52, 211, 153, 0.26);
  --amber: #fbbf24;
  --amber-soft: rgba(251, 191, 36, 0.1);
  --amber-border: rgba(251, 191, 36, 0.28);
  --danger: #f87171;

  --header-bg: rgba(11, 17, 32, 0.92);
  --mark-bg: #172038;
  --ghost-bg: rgba(42, 54, 80, 0.55);
  --ghost-bg-hover: rgba(59, 74, 107, 0.6);
  --ghost-border-hover: #3b4a6b;
  --snippet-bg: rgba(23, 32, 56, 0.5);
  --tag-bg: rgba(23, 32, 56, 0.6);
  --tab-bg: #080d18;
  --jwt-bg: #111a2e;
  --jwt-bar-bg: rgba(23, 32, 56, 0.75);
  --jwt-foot-bg: rgba(23, 32, 56, 0.35);
  --jwt-tab-active-bg: #2a3650;
  --hero-grad: linear-gradient(180deg, #0b1120 0%, #111a2e 55%, #0b1120 100%);
  --hl-bg: rgba(251, 191, 36, 0.1);
  --callout-grad: linear-gradient(
    90deg,
    rgba(251, 191, 36, 0.12) 0%,
    #0b1120 55%,
    rgba(23, 32, 56, 0.5) 100%
  );
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1,
h2,
h3 {
  font-family: var(--heading);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin: 0;
}

p {
  margin: 0;
}

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

code,
pre,
.mono {
  font-family: var(--mono);
}

img,
svg {
  display: block;
}

/* layout */
.container {
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section {
  padding-block: clamp(3.5rem, 7vw, 6rem);
  border-bottom: 1px solid var(--border-soft);
}

.section--alt {
  background: var(--bg-alt);
}

.eyebrow {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.85rem;
}

.lead {
  color: var(--text-2);
  font-size: 1rem;
  max-width: 62ch;
}

.muted {
  color: var(--text-2);
}

.dim {
  color: var(--text-3);
}

.grid {
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 768px) {
  .grid--3 {
    grid-template-columns: repeat(3, 1fr);
  }
  .grid--2 {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* header */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--header-bg);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-strong);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding-block: 0.85rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--heading);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.brand__mark {
  width: 28px;
  height: 28px;
  display: block;
  flex: none;
  color: var(--accent);
}

.nav {
  display: none;
  align-items: center;
  gap: 1.75rem;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-2);
}

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

.header__cta {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

@media (min-width: 1024px) {
  .nav {
    display: flex;
  }
}

/* buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.15rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font-family: var(--sans);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.btn--primary {
  background: var(--btn-bg);
  color: var(--btn-fg);
}

.btn--primary:hover {
  background: var(--btn-bg-hover);
}

.btn--ghost {
  background: var(--ghost-bg);
  border-color: var(--border);
  color: var(--text);
}

.btn--ghost:hover {
  border-color: var(--ghost-border-hover);
  background: var(--ghost-bg-hover);
}

.btn--sm {
  padding: 0.4rem 0.8rem;
  font-size: 0.75rem;
}

.btn--mono {
  font-family: var(--mono);
  font-size: 0.75rem;
}

/* hero */
.hero {
  background: var(--hero-grad);
  border-bottom: 1px solid var(--border-soft);
  padding-block: clamp(4rem, 9vw, 7rem);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.3rem 0.7rem;
  border: 1px solid var(--accent-border);
  background: var(--accent-border);
  border-radius: 999px;
  color: var(--accent);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.02em;
  margin-bottom: 1.5rem;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.25rem);
  max-width: 20ch;
}

.hero .lead {
  font-size: 1.0625rem;
  margin-top: 1.25rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}

.snippet {
  margin-top: 2.25rem;
  padding: 1rem 1.1rem;
  border: 1px solid var(--border);
  background: var(--snippet-bg);
  border-radius: var(--radius);
  max-width: 640px;
}

.snippet__label {
  font-family: var(--mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-3);
  margin-bottom: 0.55rem;
}

.snippet__code {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.6rem 0.75rem;
  background: var(--bg-alt);
  border: 1px solid var(--border-soft);
  border-radius: 6px;
  color: var(--text-2);
  font-size: 0.8rem;
  overflow-x: auto;
  white-space: nowrap;
}

/* section headings */
.section__head {
  max-width: 60ch;
  margin-bottom: 2.5rem;
}

.section__head h2 {
  font-size: clamp(1.5rem, 3.5vw, 2.25rem);
}

.section__head p {
  color: var(--text-2);
  margin-top: 0.9rem;
}

/* cards */
.card {
  padding: 1.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--panel-2);
}

.card--accent {
  border-color: var(--accent-border);
  background: var(--accent-soft);
}

.card h3 {
  font-size: 1.05rem;
  margin-bottom: 0.6rem;
}

.card p {
  color: var(--text-2);
  font-size: 0.92rem;
}

.card__num {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--mark-bg);
  color: var(--accent);
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 1rem;
}

.tag {
  padding: 0.25rem 0.5rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--tag-bg);
  color: var(--text-3);
  font-family: var(--mono);
  font-size: 0.68rem;
}

/* projection model pipeline */
.pipeline {
  display: grid;
  gap: 1rem;
  align-items: stretch;
}

@media (min-width: 900px) {
  .pipeline {
    grid-template-columns: 1fr 1fr 1.1fr;
  }
}

.node {
  padding: 1.35rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--panel-2);
}

.node__label {
  font-family: var(--mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-3);
  margin-bottom: 0.75rem;
}

.node--accent {
  border-color: var(--success-border);
  background: var(--success-soft);
}

.node--accent .claim__v {
  color: var(--success);
}

a:focus-visible,
button:focus-visible,
.btn:focus-visible,
.jwt-tab:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.claim {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.4rem 0;
  border-bottom: 1px dashed var(--border-soft);
  font-family: var(--mono);
  font-size: 0.74rem;
}

.claim:last-child {
  border-bottom: 0;
}

.claim__k {
  color: var(--text-3);
}

.claim__v {
  color: var(--accent);
}

.claim__v--off {
  color: var(--text-3);
  text-decoration: line-through;
}

.result {
  margin-top: 1.5rem;
  padding: 1rem 1.25rem;
  border: 1px solid var(--accent-border);
  border-radius: var(--radius);
  background: var(--accent-soft);
  color: var(--text-2);
  font-size: 0.92rem;
}

.result strong {
  color: var(--text);
}

/* jwt panels */
.jwt-tabs {
  display: inline-flex;
  gap: 0.35rem;
  padding: 0.25rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--tab-bg);
  margin-bottom: 1.25rem;
}

.jwt-tab {
  padding: 0.4rem 0.85rem;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--text-2);
  font-family: var(--sans);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
}

.jwt-tab[aria-selected="true"] {
  background: var(--jwt-tab-active-bg);
  color: var(--text);
}

.jwt-panel[hidden] {
  display: none;
}

.jwt {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--jwt-bg);
  overflow: hidden;
}

.jwt__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.7rem 1rem;
  border-bottom: 1px solid var(--border);
  background: var(--jwt-bar-bg);
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--text-2);
}

.jwt pre {
  margin: 0;
  padding: 1rem;
  overflow-x: auto;
  font-size: 0.76rem;
  line-height: 1.75;
  color: var(--text-2);
}

.k {
  color: var(--text-3);
}

.s {
  color: var(--accent);
}

.hl {
  color: var(--amber);
  background: var(--hl-bg);
  border-radius: 3px;
  padding: 0 0.2rem;
}

.jwt__foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.65rem 1rem;
  border-top: 1px solid var(--border);
  background: var(--jwt-foot-bg);
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--text-3);
}

.note {
  margin-top: 1.25rem;
  padding: 0.9rem 1.1rem;
  border: 1px solid var(--success-border);
  border-radius: var(--radius);
  background: var(--success-soft);
  color: var(--text-2);
  font-size: 0.88rem;
}

.note b {
  color: var(--text);
}

.link-accent {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.link-accent:hover {
  color: var(--accent-hover);
}

/* timeline / roadmap */
.split {
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 900px) {
  .split {
    grid-template-columns: 1fr 1fr;
  }
}

.checklist {
  list-style: none;
  margin: 0;
  padding: 0;
}

.checklist li {
  display: flex;
  gap: 0.65rem;
  padding: 0.5rem 0;
  font-size: 0.9rem;
  color: var(--text-2);
}

.checklist li::before {
  content: "\2713";
  color: var(--success);
  font-weight: 700;
  line-height: 1.6;
}

.checklist--pipe li::before {
  content: "\2192";
  color: var(--text-3);
}

/* deadline callout */
.callout {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 1.75rem;
  border: 1px solid var(--amber-border);
  border-radius: var(--radius-lg);
  background: linear-gradient(
    90deg,
    var(--amber-soft) 0%,
    var(--bg) 55%,
    var(--tag-bg) 100%
  );
}

@media (min-width: 768px) {
  .callout {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.callout__date {
  font-family: var(--mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--amber);
  margin-bottom: 0.45rem;
}

/* closing cta */
.cta-final {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  padding: 2rem;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--panel);
}

@media (min-width: 768px) {
  .cta-final {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.cta-final h2 {
  font-size: 1.5rem;
}

.cta-final p {
  color: var(--text-2);
  margin-top: 0.5rem;
  font-size: 0.92rem;
}

.cta-final__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

/* footer */
.footer {
  padding-block: 2.5rem;
}

.footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--border-soft);
  color: var(--text-3);
  font-family: var(--mono);
  font-size: 0.72rem;
}

@media (min-width: 640px) {
  .footer__inner {
    flex-direction: row;
  }
}

.footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
}

.footer__links a:hover {
  color: var(--text-2);
}

/* ---- v2: capability grid ---- */
.cap-grid {
  display: grid;
  gap: 1rem;
}

@media (min-width: 640px) {
  .cap-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .cap-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.cap {
  padding: 1.25rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--panel-2);
  transition: border-color 0.15s ease, background 0.15s ease;
}

.cap:hover {
  border-color: var(--accent-border);
  background: var(--accent-soft);
}

.cap h3 {
  font-size: 0.98rem;
  margin-bottom: 0.45rem;
}

.cap p {
  color: var(--text-2);
  font-size: 0.85rem;
  line-height: 1.55;
}

/* ---- v2: in-section subsection (consent escalation) ---- */
.subsection {
  margin-top: 2.75rem;
}

.subsection h3 {
  font-size: 1.3rem;
  margin-bottom: 0.6rem;
}

.subsection > p {
  color: var(--text-2);
  max-width: 62ch;
  margin-bottom: 1.25rem;
  font-size: 0.95rem;
}

/* ---- whitepaper document ---- */
.doc-hero {
  padding-block: clamp(2.5rem, 6vw, 4.5rem);
  border-bottom: 1px solid var(--border-soft);
  background: var(--hero-grad);
}

.doc-hero h1 {
  font-size: clamp(1.8rem, 4vw, 2.75rem);
  max-width: 24ch;
}

.doc-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  margin-top: 1.25rem;
  color: var(--text-3);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.02em;
}

.doc-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.75rem;
}

.doc-shell {
  display: grid;
  gap: 2.5rem;
  padding-block: 3rem;
}

@media (min-width: 1024px) {
  .doc-shell {
    grid-template-columns: 270px minmax(0, 1fr);
    gap: 3.5rem;
  }
}

.toc__title {
  font-family: var(--mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--text-3);
  margin-bottom: 0.9rem;
}

@media (min-width: 1024px) {
  .toc {
    position: sticky;
    top: 84px;
    align-self: start;
    max-height: calc(100vh - 110px);
    overflow-y: auto;
  }
}

.toc ol {
  list-style: none;
  margin: 0;
  padding: 0;
}

.toc li {
  margin: 0;
}

.toc a {
  display: block;
  padding: 0.3rem 0;
  color: var(--text-2);
  font-size: 0.84rem;
  line-height: 1.4;
}

.toc a:hover {
  color: var(--text);
}

.toc a.is-sub {
  padding-left: 1.1rem;
  color: var(--text-3);
  font-size: 0.8rem;
}

.doc {
  max-width: 76ch;
}

.doc h2 {
  font-size: 1.55rem;
  margin: 3rem 0 0.9rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--border-soft);
  scroll-margin-top: 90px;
}

.doc h2:first-of-type {
  margin-top: 0;
  padding-top: 0;
  border-top: 0;
}

.doc h3 {
  font-size: 1.08rem;
  margin: 1.75rem 0 0.55rem;
  scroll-margin-top: 90px;
}

.doc p {
  color: var(--text-2);
  font-size: 0.95rem;
  margin-bottom: 1rem;
}

.doc ul {
  color: var(--text-2);
  font-size: 0.95rem;
  padding-left: 1.25rem;
  margin: 0 0 1rem;
}

.doc li {
  margin-bottom: 0.45rem;
}

.doc code {
  color: var(--accent);
  font-size: 0.85em;
}

.doc__num {
  color: var(--accent);
  font-family: var(--mono);
  font-size: 0.85rem;
  margin-right: 0.55rem;
}

.doc__notice {
  margin-top: 1.75rem;
  margin-bottom: 1.75rem;
  padding: 1rem 1.2rem;
  border: 1px solid var(--amber-border);
  border-radius: var(--radius);
  background: var(--amber-soft);
  color: var(--text-2);
  font-size: 0.85rem;
}

.doc-mapping {
  width: 100%;
  border-collapse: collapse;
  margin: 0.5rem 0 1.5rem;
  font-size: 0.88rem;
}

.doc-mapping th,
.doc-mapping td {
  text-align: left;
  padding: 0.6rem 0.75rem;
  border-bottom: 1px solid var(--border-soft);
  vertical-align: top;
}

.doc-mapping th {
  color: var(--text-3);
  font-family: var(--mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border-bottom-color: var(--border);
}

.doc-mapping td {
  color: var(--text-2);
}

.doc-mapping td:first-child {
  color: var(--text);
  font-family: var(--mono);
  font-size: 0.8rem;
  white-space: nowrap;
}

/* theme toggle (header chrome) */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--ghost-bg);
  color: var(--text-2);
  cursor: pointer;
}

.theme-toggle:hover {
  color: var(--text);
  border-color: var(--ghost-border-hover);
  background: var(--ghost-bg-hover);
}

.theme-toggle svg {
  width: 18px;
  height: 18px;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
}

/* shows the icon of the theme the button switches *to*: moon in light (the
   default), sun in dark */
.theme-toggle__icon--sun {
  display: none;
}
:root[data-theme="dark"] .theme-toggle__icon--sun {
  display: block;
}
:root[data-theme="dark"] .theme-toggle__icon--moon {
  display: none;
}

/* ---- mermaid diagrams ---- */
.mermaid {
  margin: 1.25rem 0;
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--panel-2);
  overflow-x: auto;
  text-align: center;
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--text-3);
}

.mermaid svg {
  max-width: 100%;
  height: auto;
  margin-inline: auto;
}

.mermaid[data-processed] {
  font-size: 1rem;
}


/* ---- shared document tables (whitepaper + legal) ---- */
.doc-table {
  width: 100%;
  border-collapse: collapse;
  margin: 0.5rem 0 1.75rem;
  font-size: 0.88rem;
}

.doc-table th,
.doc-table td {
  text-align: left;
  padding: 0.65rem 0.8rem;
  border-bottom: 1px solid var(--border-soft);
  vertical-align: top;
}

.doc-table th {
  color: var(--text-3);
  font-family: var(--mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border-bottom-color: var(--border);
}

.doc-table td {
  color: var(--text-2);
}

.doc-table td:first-child {
  color: var(--text);
}

.doc-table--mono td:first-child {
  font-family: var(--mono);
  font-size: 0.8rem;
  white-space: nowrap;
}

/* ---- homepage CTA row ---- */
.section__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

@media print {
  .doc-table {
    break-inside: avoid;
  }
}

/* ---- responsive document shell ---- */
.doc-shell > * {
  min-width: 0;
}

@media (max-width: 1023px) {
  .doc-shell {
    grid-template-columns: minmax(0, 1fr);
  }
}

.table-wrap {
  max-width: 100%;
  margin: 0.5rem 0 1.75rem;
  overflow-x: auto;
}

.table-wrap .doc-table {
  margin: 0;
}

@media (max-width: 640px) {
  .header__inner {
    flex-wrap: wrap;
    row-gap: 0.5rem;
  }

  .header__cta {
    margin-left: auto;
  }
}

/* ---- whitepaper code snippets + long words ---- */
.code-block {
  overflow-x: auto;
  margin: 0 0 1.75rem;
  padding: 0.9rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--snippet-bg);
  color: var(--text-2);
  font-size: 0.8rem;
  line-height: 1.5;
}

.doc p,
.doc li,
.doc td,
.doc th {
  overflow-wrap: anywhere;
}

.nav a[aria-current="page"] {
  color: var(--text);
  font-weight: 600;
}

.footer__links a[aria-current="page"] {
  color: var(--text);
}