/* ==========================================================================
   Digital Missions — Stylesheet
   Typography-first. Restrained. Institutional.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;600&family=Newsreader:ital,opsz,wght@0,6..72,300;0,6..72,400;0,6..72,500;0,6..72,600;1,6..72,200;1,6..72,300;1,6..72,400;1,6..72,500&family=Plus+Jakarta+Sans:wght@400;500;600;700&display=swap');

/* ----------------------------------------------------------------- Tokens */

:root {
  --color-bg:              #FAFAF7;
  --color-hero-bg:         #EFECE3;
  --color-dark-bg:         #161514;
  --color-dark-text:       #F2EFE7;
  --color-dark-muted:      #A19E94;
  --color-text:            #1A1A1A;
  --color-text-muted:      #4A4A4A;
  --color-accent:          #1A1A1A;
  --color-accent-hover:    #000000;
  --color-border:          #E5E2D9;
  --color-border-strong:   #C9C5BA;
  --color-selection-bg:    #1A1A1A;
  --color-selection-text:  #FAFAF7;

  --font-sans:  'Plus Jakarta Sans', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, system-ui, sans-serif;
  --font-serif: 'Newsreader', 'Source Serif 4', 'Iowan Old Style', Charter, Georgia, 'Times New Roman', serif;
  --font-mono:  'JetBrains Mono', 'IBM Plex Mono', 'SFMono-Regular', Menlo, Consolas, ui-monospace, monospace;

  --content-width:  720px;
  --wide-width:     960px;
  --max-width:      1200px;
  --gutter:         clamp(1.25rem, 4vw, 2rem);

  --text-xs:   0.8125rem;
  --text-sm:   0.9375rem;
  --text-base: 1.1875rem;
  --text-lg:   1.3125rem;
  --text-xl:   clamp(1.3125rem, 0.6vw + 1.1875rem, 1.5rem);
  --text-2xl:  clamp(1.5rem, 1.2vw + 1.25rem, 1.875rem);
  --text-3xl:  clamp(1.875rem, 2vw + 1.375rem, 2.5rem);
  --text-4xl:  clamp(2.25rem, 3vw + 1.5rem, 3.25rem);
  --text-5xl:  clamp(2.5rem, 4vw + 1.5rem, 4.25rem);

  --leading-tight:  1.15;
  --leading-snug:   1.3;
  --leading-normal: 1.5;
  --leading-body:   1.65;
}

/* ------------------------------------------------------------------ Reset */

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

html, body, h1, h2, h3, h4, h5, h6, p, ol, ul, dl, dt, dd, figure, blockquote {
  margin: 0;
  padding: 0;
}

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-feature-settings: 'kern' 1, 'liga' 1, 'calt' 1, 'ss01' 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

img, svg { display: block; max-width: 100%; }
ul, ol { list-style: none; }
button { font: inherit; cursor: pointer; }

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

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

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: 1px;
}

/* ------------------------------------------------------------ Typography */

h1, h2, h3, h4 {
  color: var(--color-text);
  text-wrap: balance;
}

/* Editorial serif for primary headings — modeled on TBI's PP Editorial New italic display */
h1 {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: var(--text-5xl);
  line-height: 1.05;
  letter-spacing: -0.012em;
  font-optical-sizing: auto;
}

h2 {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: var(--text-3xl);
  line-height: 1.12;
  letter-spacing: -0.008em;
  font-optical-sizing: auto;
}

h3 {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: var(--text-xl);
  line-height: var(--leading-snug);
  letter-spacing: -0.012em;
}

h4 {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: var(--text-lg);
  line-height: var(--leading-snug);
}

p {
  max-width: 68ch;
  text-wrap: pretty;
  hyphens: auto;
  -webkit-hyphens: auto;
}

p + p { margin-top: 1em; }

a {
  color: inherit;
  text-decoration: underline;
  text-decoration-color: var(--color-border-strong);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.22em;
  transition: color 120ms ease, text-decoration-color 120ms ease;
}

a:hover {
  color: var(--color-accent);
  text-decoration-color: var(--color-accent);
}

strong, b { font-weight: 600; }
em, i { font-style: italic; }

/* Eyebrow / kicker — now mono */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  display: inline-block;
  font-feature-settings: 'kern' 1, 'liga' 0;
}

/* Generic monospace utility */
.mono {
  font-family: var(--font-mono);
  font-feature-settings: 'kern' 1, 'liga' 0;
  letter-spacing: 0;
}

/* Section index marker —  §01 / THE ARGUMENT —————— */
.section-index {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 1.75rem;
}

.section-index__num {
  color: var(--color-accent);
  font-weight: 600;
}

.section-index__rule {
  flex: 1;
  height: 1px;
  background: var(--color-border-strong);
  display: block;
}

/* Live status dot (●) */
.status-dot {
  display: inline-block;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--color-accent);
  vertical-align: 0.04em;
  margin-right: 0.45rem;
  position: relative;
}

.status-dot--live::after {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  border: 1px solid var(--color-accent);
  opacity: 0.45;
  animation: pulse-ring 2.4s cubic-bezier(0.2, 0, 0.4, 1) infinite;
}

.status-dot--idle {
  background: transparent;
  border: 1px solid var(--color-border-strong);
}

@keyframes pulse-ring {
  0%   { transform: scale(0.85); opacity: 0.55; }
  70%  { transform: scale(1.45); opacity: 0; }
  100% { transform: scale(1.45); opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .status-dot--live::after { animation: none; opacity: 0; }
}

/* Mono key-value rows  (COORD / BASE / STATUS) */
.kv {
  display: grid;
  grid-template-columns: max-content 1fr;
  column-gap: 1.25rem;
  row-gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.02em;
  margin-top: 1rem;
}

.kv dt {
  color: var(--color-text-muted);
  text-transform: uppercase;
  font-weight: 500;
  letter-spacing: 0.1em;
}

.kv dd {
  color: var(--color-text);
  margin: 0;
}

.kv dd .ok { color: var(--color-accent); font-weight: 500; }

/* Pull quote — serif */
.pullquote {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  font-size: var(--text-3xl);
  line-height: 1.25;
  color: var(--color-accent);
  letter-spacing: -0.01em;
  max-width: 24ch;
  text-wrap: balance;
  border-left: 2px solid var(--color-accent);
  padding-left: clamp(1rem, 2vw, 1.5rem);
  margin: clamp(2.5rem, 5vw, 4rem) 0;
}

.pullquote::before { content: '\201C'; }
.pullquote::after  { content: '\201D'; }

/* Subhead — serif, used in hero */
.subhead {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: var(--text-3xl);
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--color-text);
  max-width: 22ch;
  text-wrap: balance;
}

/* Generic muted helper */
.muted { color: var(--color-text-muted); }

/* ----------------------------------------------------- Layout primitives */

.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.column {
  width: 100%;
  max-width: var(--content-width);
  margin-inline: auto;
}

.column--wide {
  max-width: var(--wide-width);
}

.skip-link {
  position: absolute;
  top: -100px;
  left: var(--gutter);
  background: var(--color-text);
  color: var(--color-bg);
  padding: 0.75rem 1rem;
  z-index: 100;
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: 500;
}

.skip-link:focus { top: 1rem; }

/* ------------------------------------------------------- Site header/nav */

.site-header {
  position: relative;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg);
  z-index: 10;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding-block: 1.25rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 1.0625rem;
  letter-spacing: -0.01em;
  color: var(--color-text);
  text-decoration: none;
  white-space: nowrap;
}

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

.brand-mark {
  display: block;
  width: 44px;
  height: auto;
  flex-shrink: 0;
  color: var(--color-text);
  transition: transform 200ms ease;
}

.brand:hover .brand-mark {
  transform: translateX(1px);
}

.brand-mark path,
.brand-mark polygon,
.brand-mark polyline,
.brand-mark line {
  stroke: currentColor;
}

.brand-mark circle {
  stroke: currentColor;
}

.brand-mark circle[fill] {
  fill: currentColor;
}

.brand-name__abbr {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  color: var(--color-text-muted);
  text-transform: uppercase;
  margin-top: 0.1rem;
}

.brand-stack {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  line-height: 1.05;
}

.primary-nav { display: none; }

.primary-nav ul {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2vw, 1.75rem);
}

.primary-nav a {
  font-size: var(--text-sm);
  text-decoration: none;
  color: var(--color-text-muted);
  letter-spacing: -0.005em;
  padding-block: 0.25rem;
  position: relative;
  transition: color 120ms ease;
}

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

.primary-nav a[aria-current="page"] {
  color: var(--color-text);
  font-weight: 500;
}

.primary-nav a[aria-current="page"]::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1.3rem;
  height: 1px;
  background: var(--color-accent);
}

@media (min-width: 880px) {
  .primary-nav { display: block; }
  .mobile-nav-toggle { display: none; }
}

/* Mobile disclosure nav (uses <details>) */
.mobile-nav {
  display: block;
}

@media (min-width: 880px) {
  .mobile-nav { display: none; }
}

.mobile-nav summary {
  list-style: none;
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
  color: var(--color-text);
  padding: 0.4rem 0;
  user-select: none;
}

.mobile-nav summary::-webkit-details-marker { display: none; }
.mobile-nav summary::marker { content: ''; }

.mobile-nav summary::after {
  content: 'Menu';
}

.mobile-nav[open] summary::after {
  content: 'Close';
}

.mobile-nav summary span { display: none; }

.mobile-nav-panel {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  padding: 1rem var(--gutter) 2rem;
  z-index: 50;
  box-shadow: 0 8px 24px -16px rgba(26, 26, 26, 0.18);
}

.mobile-nav-panel ul { display: grid; gap: 0.25rem; }

.mobile-nav-panel a {
  display: block;
  font-size: var(--text-lg);
  text-decoration: none;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text);
}

.mobile-nav-panel a[aria-current="page"] {
  color: var(--color-accent);
  font-weight: 500;
}

/* -------------------------------------------------------------- Sections */

main { flex: 1; }

.section {
  padding-block: clamp(3rem, 6vw, 5.5rem);
}

.section--hero {
  padding-block: clamp(4rem, 9vw, 8rem) clamp(3rem, 6vw, 5rem);
}

.section--tight {
  padding-block: clamp(2rem, 4vw, 3.5rem);
}

.section + .section {
  border-top: 1px solid var(--color-border);
}

.section-eyebrow {
  margin-bottom: 1.25rem;
}

.section-heading {
  margin-bottom: 1.5rem;
}

/* --------------------------------------------------------------- Hero    */

.hero {
  display: grid;
  gap: clamp(1.5rem, 3vw, 2.5rem);
}

.hero h1 {
  font-size: var(--text-5xl);
  line-height: 1.05;
  letter-spacing: -0.03em;
  font-weight: 600;
  margin-top: 0.25rem;
}

.hero .subhead {
  max-width: 28ch;
}

.hero-lede {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 60ch;
  margin-top: 0.5rem;
}

/* ------------------------------------------------------- Argument blocks */

.argument-stack {
  display: grid;
  gap: clamp(2.5rem, 5vw, 4rem);
}

.argument {
  display: grid;
  gap: 0.75rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
}

.argument:first-child {
  border-top: 0;
  padding-top: 0;
}

.argument h3 {
  font-size: var(--text-2xl);
  line-height: 1.25;
  letter-spacing: -0.02em;
  font-weight: 600;
  max-width: 28ch;
  text-wrap: balance;
}

.argument p {
  color: var(--color-text);
}

.argument-number {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  margin-bottom: 0.6rem;
  text-transform: uppercase;
}

.argument-number::before {
  content: '';
  display: inline-block;
  width: 1.25rem;
  height: 1px;
  background: var(--color-accent);
}

/* ------------------------------------------------------- Capabilities    */

.capability-list {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--color-border-strong);
}

.capability {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  padding-block: 1.5rem;
  border-bottom: 1px solid var(--color-border);
  align-items: baseline;
}

.capability__index {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--color-accent);
  align-self: start;
  padding-top: 0.4rem;
  white-space: nowrap;
}

.capability__title {
  font-size: var(--text-lg);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--color-text);
  margin: 0;
}

.capability__body {
  color: var(--color-text-muted);
  font-size: 1.0625rem;
  margin-top: 0.35rem;
}

.capability__title-wrap {
  display: contents;
}

@media (min-width: 760px) {
  .capability {
    grid-template-columns: 4rem minmax(0, 0.95fr) minmax(0, 1.55fr);
    gap: 1.5rem;
    align-items: baseline;
  }
  .capability__title { padding-right: 1rem; }
  .capability__body { margin-top: 0; }
}

/* ----------------------------------------------------- Lifecycle diagram */

.lifecycle {
  display: grid;
  gap: 1rem;
  margin-block: clamp(2rem, 4vw, 3rem);
}

.lifecycle-stage {
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  padding: 1.5rem 1.25rem;
  display: grid;
  gap: 0.5rem;
  position: relative;
}

.lifecycle-stage__num {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--color-text-muted);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.lifecycle-stage__title {
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  font-weight: 400;
  letter-spacing: -0.008em;
  color: var(--color-text);
  line-height: 1.15;
}

.lifecycle-stage__body {
  font-size: 0.95rem;
  line-height: 1.55;
  color: var(--color-text);
  max-width: 36ch;
  margin-top: 0.25rem;
}

.lifecycle-arrow {
  display: flex;
  justify-content: center;
  align-items: center;
  color: var(--color-text-muted);
  font-size: 0.85rem;
  user-select: none;
  padding-block: 0.25rem;
}

.lifecycle-arrow::after { content: '\2193'; font-size: 0.85rem; }

@media (min-width: 880px) {
  .lifecycle {
    grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr auto 1fr;
    align-items: stretch;
    gap: 0;
  }
  .lifecycle-stage {
    padding: 1.5rem 1rem;
  }
  .lifecycle-stage__body {
    font-size: 0.875rem;
  }
  .lifecycle-stage__title {
    font-size: 0.85rem;
  }
  .lifecycle-arrow {
    padding-inline: 0;
    width: 100%;
    color: var(--color-text-muted);
  }
  .lifecycle-arrow::after {
    content: '\2192';
    font-size: 0.95rem;
  }
}

/* Wide desktop variant — give stages more room */
@media (min-width: 1100px) {
  .lifecycle-stage { padding: 1.75rem 1.25rem; }
  .lifecycle-stage__body { font-size: 1rem; }
}

/* ---------------------------------------------------------- Glossary     */

.glossary {
  display: grid;
  gap: 0;
}

.glossary-term {
  display: grid;
  gap: 0.5rem;
  padding-block: 1.75rem;
  border-bottom: 1px solid var(--color-border);
}

.glossary-term:last-child { border-bottom: 0; }

.glossary-term dt {
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--color-accent);
  font-style: italic;
}

.glossary-term dd {
  margin-left: 0;
  color: var(--color-text);
  max-width: 64ch;
}

@media (min-width: 720px) {
  .glossary-term {
    grid-template-columns: minmax(180px, 1fr) minmax(0, 2.4fr);
    gap: 2.25rem;
    align-items: baseline;
  }
  .glossary-term dt { font-size: var(--text-lg); }
}

/* ----------------------------------------------------- Geographies stack */

.geo-list {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--color-border-strong);
}

.geo-item {
  padding-block: 2rem;
  border-bottom: 1px solid var(--color-border);
  display: grid;
  gap: 0.65rem;
  position: relative;
}

.geo-item:last-child { border-bottom: 0; }

.geo-item__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.75rem 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.geo-item__id {
  color: var(--color-accent);
  font-weight: 600;
}

.geo-item__status {
  display: inline-flex;
  align-items: center;
  margin-left: auto;
}

.geo-item h3 {
  font-size: var(--text-2xl);
  font-weight: 600;
  letter-spacing: -0.02em;
  font-family: var(--font-sans);
  margin-top: 0.25rem;
}

.geo-item h3 small {
  display: block;
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: 0.5em;
  color: var(--color-text-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-top: 0.55rem;
}

.geo-item p {
  color: var(--color-text);
  max-width: 60ch;
}

/* ----------------------------------------------------------- Long form   */

.longform p,
.longform li {
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-text);
}

.longform > * + * { margin-top: 1.25em; }

.longform h2 {
  font-size: var(--text-2xl);
  font-weight: 600;
  margin-top: 3rem;
  margin-bottom: 0.75rem;
  letter-spacing: -0.02em;
  scroll-margin-top: 4rem;
}

.longform h3 {
  font-size: var(--text-xl);
  font-weight: 600;
  margin-top: 2rem;
  margin-bottom: 0.5rem;
}

.longform h2:first-child { margin-top: 0; }

.longform .lead {
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  line-height: 1.45;
  font-weight: 400;
  color: var(--color-text);
  margin-bottom: 2rem;
  font-style: italic;
}

.longform ul {
  padding-left: 1.25rem;
}

.longform ul li {
  list-style: disc;
  margin-top: 0.5rem;
}

.longform hr {
  border: 0;
  height: 1px;
  background: var(--color-border);
  margin: 3rem 0;
}

/* ------------------------------------------------------- Inline footnote */

.footnote {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  border-top: 1px solid var(--color-border);
  padding-top: 1.25rem;
  margin-top: 2rem;
  display: block;
}

/* ----------------------------------------------------- Inline next link  */

.next-link {
  display: inline-flex;
  align-items: baseline;
  gap: 0.45rem;
  font-size: var(--text-sm);
  letter-spacing: 0.02em;
  text-decoration: none;
  color: var(--color-accent);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-top: 1.5rem;
}

.next-link::after {
  content: '\2192';
  transition: transform 140ms ease;
  display: inline-block;
}

.next-link:hover { color: var(--color-accent-hover); }
.next-link:hover::after { transform: translateX(3px); }

/* ------------------------------------------------------- Contact email   */

.contact-email {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: var(--text-3xl);
  letter-spacing: -0.01em;
  color: var(--color-accent);
  text-decoration: none;
  display: inline-block;
  border-bottom: 1px solid var(--color-border-strong);
  padding-bottom: 0.25rem;
  transition: border-color 140ms ease, color 140ms ease;
  word-break: break-word;
}

.contact-email:hover {
  color: var(--color-accent-hover);
  border-bottom-color: var(--color-accent);
}

/* --------------------------------------------------------- Site footer   */

.site-footer {
  border-top: 1px solid var(--color-border);
  padding-block: 2rem;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: clamp(4rem, 8vw, 7rem);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: flex-start;
  justify-content: space-between;
}

.footer-inner ul {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.footer-inner a {
  text-decoration: none;
  color: var(--color-text-muted);
}

.footer-inner a:hover {
  color: var(--color-accent);
}

@media (min-width: 720px) {
  .footer-inner {
    flex-direction: row;
    align-items: center;
  }
}

/* -------------------------------------------------- Page-specific bits   */

.thesis-frame {
  border-left: 2px solid var(--color-accent);
  padding-left: clamp(1rem, 2.5vw, 1.5rem);
  margin: 2.5rem 0;
}

.thesis-frame p {
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  line-height: 1.5;
  font-style: italic;
  max-width: 32ch;
}

.stat-row {
  display: grid;
  gap: 0;
  margin-block: 2rem;
  border-top: 1px solid var(--color-border);
}

.stat {
  border-bottom: 1px solid var(--color-border);
  padding-block: 1.25rem;
  display: grid;
  grid-template-columns: minmax(100px, auto) 1fr;
  gap: 1.5rem;
  align-items: baseline;
}

.stat dt {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: var(--text-2xl);
  color: var(--color-accent);
  letter-spacing: -0.01em;
}

.stat dd {
  margin: 0;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  max-width: 38ch;
}

/* ============================================================
   Pillar — labeled section wrapping a card grid (BUILD / OPERATE / ADVISE)
   ============================================================ */

.pillar {
  margin-bottom: clamp(3rem, 6vw, 5rem);
}

.pillar:last-child { margin-bottom: 0; }

.pillar-header {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--color-text);
}

.pillar-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text);
}

.pillar-title {
  font-family: var(--font-serif);
  font-size: var(--text-2xl);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.012em;
  margin: 0;
}

.pillar-intro {
  max-width: 60ch;
  color: var(--color-text-muted);
  margin-bottom: 2rem;
}

@media (min-width: 720px) {
  .pillar-header {
    grid-template-columns: 8rem 1fr;
    gap: 1.5rem;
    align-items: baseline;
  }
}

/* ============================================================
   Funder grid + Audience list (used on Funders + Contact pages)
   ============================================================ */

.funder-grid {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--color-border);
}

.funder-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.4rem;
  padding-block: 1.5rem;
  border-bottom: 1px solid var(--color-border);
}

.funder-row__name {
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  font-weight: 400;
  line-height: 1.18;
  letter-spacing: -0.008em;
  color: var(--color-text);
  margin: 0;
}

.funder-row__programs {
  color: var(--color-text-muted);
  font-size: 1rem;
  line-height: 1.55;
  margin: 0;
}

.funder-row__tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

@media (min-width: 760px) {
  .funder-row {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.65fr);
    gap: 2rem;
    align-items: baseline;
  }
}

/* Audience block — used on Contact + Engage flow */
.audience-list {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--color-border);
}

.audience {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.6rem;
  padding-block: 2.25rem;
  border-bottom: 1px solid var(--color-border);
}

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

.audience__label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.audience__title {
  font-family: var(--font-serif);
  font-size: var(--text-2xl);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.008em;
  color: var(--color-text);
  margin: 0;
}

.audience__body {
  color: var(--color-text);
  max-width: 60ch;
  margin: 0;
}

.audience__cta {
  margin-top: 0.5rem;
}

@media (min-width: 760px) {
  .audience {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.65fr);
    gap: 2.5rem;
    align-items: baseline;
  }
}

/* ============================================================
   Bullet summary + Read-more (details/summary disclosure)
   ============================================================ */

.summary-block {
  display: grid;
  gap: 2rem;
  margin-bottom: 1rem;
}

.summary-list {
  display: grid;
  gap: 1.75rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

.summary-list > li {
  display: grid;
  grid-template-columns: 2.5rem 1fr;
  gap: 1.25rem;
  padding-block: 0.5rem 0;
  border-top: 1px solid var(--color-border);
  padding-top: 1.25rem;
  align-items: baseline;
}

.summary-list > li:first-child {
  border-top: 0;
  padding-top: 0;
}

.summary-list .summary-num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--color-text-muted);
  text-transform: uppercase;
  padding-top: 0.4rem;
}

.summary-list .summary-title {
  display: block;
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -0.008em;
  color: var(--color-text);
  margin-bottom: 0.4rem;
}

.summary-list .summary-body {
  color: var(--color-text-muted);
  font-size: 1.0625rem;
  line-height: 1.55;
  max-width: 60ch;
  margin: 0;
}

/* Read more / Show less disclosure */
details.read-more {
  margin-top: 2.5rem;
}

details.read-more > summary {
  list-style: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text);
  background: var(--color-bg);
  border: 1px solid var(--color-text);
  border-radius: 999px;
  padding: 0.65rem 1.4rem;
  user-select: none;
  transition: background-color 140ms ease, color 140ms ease;
  width: -moz-fit-content;
  width: fit-content;
}

details.read-more > summary:hover {
  background: var(--color-text);
  color: var(--color-bg);
}

details.read-more > summary::-webkit-details-marker { display: none; }
details.read-more > summary::marker { content: ''; }

details.read-more > summary .summary-label {
  display: inline-block;
}

details.read-more > summary .summary-label::before {
  content: 'Read full text';
}

details.read-more[open] > summary .summary-label::before {
  content: 'Show less';
}

details.read-more > summary::after {
  content: '\2193';
  display: inline-block;
  transition: transform 200ms ease;
  font-size: 0.95em;
}

details.read-more[open] > summary::after {
  transform: rotate(180deg);
}

details.read-more > .read-more__body {
  margin-top: 2rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--color-border);
  animation: fade-in 240ms ease;
}

@keyframes fade-in {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
  details.read-more > .read-more__body { animation: none; }
}

@media (min-width: 720px) {
  .summary-list > li {
    grid-template-columns: 3rem 1fr;
    gap: 2rem;
  }
}

/* ============================================================
   Coefficient-style components (monochrome)
   ============================================================ */

/* Top announcement banner — small mono strip at very top of page */
.announcement-bar {
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  text-align: center;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  padding-block: 0.6rem;
}

.announcement-bar a {
  color: var(--color-text);
  text-decoration: underline;
  text-decoration-color: var(--color-border-strong);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
  font-weight: 500;
  margin-left: 0.4rem;
}

.announcement-bar a:hover {
  text-decoration-color: var(--color-text);
}

/* Sub-nav strip on inner pages */
.sub-nav {
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg);
  padding-block: 0.85rem;
}

.sub-nav-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.75rem 2.25rem;
  font-size: 0.875rem;
}

.sub-nav-inner a {
  color: var(--color-text-muted);
  text-decoration: none;
  padding-block: 0.25rem;
}

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

.sub-nav-inner a[aria-current="page"] {
  color: var(--color-text);
  font-weight: 500;
  border-bottom: 1px solid var(--color-text);
  padding-bottom: 0.2rem;
}

/* Soft tinted hero panel — Coefficient's signature mint, in monochrome */
.hero-soft {
  background: var(--color-hero-bg);
  padding-block: clamp(4.5rem, 9vw, 8rem);
  text-align: center;
}

.hero-soft .container {
  display: grid;
  justify-items: center;
  gap: clamp(1.5rem, 3vw, 2rem);
}

.hero-soft h1 {
  max-width: 22ch;
  text-wrap: balance;
  font-size: clamp(2.5rem, 4vw + 1rem, 4.5rem);
  line-height: 1.02;
  letter-spacing: -0.018em;
  font-style: italic;
  font-weight: 300;
  margin: 0 auto;
}

.hero-soft .hero-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 0.25rem;
}

.hero-soft .hero-summary {
  max-width: 56ch;
  font-size: var(--text-lg);
  line-height: 1.55;
  color: var(--color-text);
  margin-inline: auto;
}

.hero-soft .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
  margin-top: 0.5rem;
}

/* Pill-style buttons — outlined for primary contexts */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 500;
  letter-spacing: 0;
  color: var(--color-text);
  background: var(--color-bg);
  border: 1px solid var(--color-text);
  border-radius: 999px;
  padding: 0.65rem 1.4rem;
  text-decoration: none;
  transition: background-color 140ms ease, color 140ms ease;
  cursor: pointer;
}

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

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

.btn--filled:hover {
  background: var(--color-bg);
  color: var(--color-text);
}

.btn--inverse {
  border-color: var(--color-dark-text);
  color: var(--color-dark-text);
  background: transparent;
}

.btn--inverse:hover {
  background: var(--color-dark-text);
  color: var(--color-dark-bg);
}

/* Dark full-bleed feature block — Coefficient's "Strategic Cause Selection" */
.dark-block {
  background: var(--color-dark-bg);
  color: var(--color-dark-text);
  padding-block: clamp(4rem, 8vw, 7rem);
  position: relative;
  overflow: hidden;
}

.dark-block .container {
  display: grid;
  gap: clamp(1.5rem, 3vw, 2rem);
  max-width: 720px;
}

.dark-block h2 {
  font-size: clamp(2.25rem, 3vw + 1rem, 3.25rem);
  font-weight: 300;
  font-style: italic;
  font-family: var(--font-serif);
  color: var(--color-dark-text);
  line-height: 1.02;
  letter-spacing: -0.018em;
  max-width: 14ch;
}

.dark-block p {
  color: var(--color-dark-muted);
  max-width: 50ch;
  font-size: var(--text-base);
  line-height: 1.55;
}

.dark-block .eyebrow {
  color: var(--color-dark-muted);
  margin-bottom: 0;
}

/* Dark block: subtle dot grid in the corner */
.dark-block::after {
  content: '';
  position: absolute;
  right: 2rem;
  bottom: 2rem;
  width: 200px;
  height: 200px;
  background-image:
    radial-gradient(circle at 1px 1px, rgba(242, 239, 231, 0.12) 0.8px, transparent 0.8px);
  background-size: 14px 14px;
  -webkit-mask-image: radial-gradient(ellipse at bottom right, rgba(0,0,0,0.85) 0%, transparent 70%);
          mask-image: radial-gradient(ellipse at bottom right, rgba(0,0,0,0.85) 0%, transparent 70%);
  pointer-events: none;
}

/* Two-column post / news grid */
.post-grid {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--color-border);
}

.post-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
  padding-block: 2rem;
  border-bottom: 1px solid var(--color-border);
}

.post-row__title {
  font-family: var(--font-serif);
  font-size: var(--text-2xl);
  font-weight: 400;
  line-height: 1.18;
  letter-spacing: -0.008em;
  color: var(--color-text);
  text-decoration: none;
  display: block;
  max-width: 28ch;
}

a.post-row__title:hover {
  text-decoration: underline;
  text-decoration-color: var(--color-text);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

.post-row__body {
  color: var(--color-text-muted);
  font-size: 1.0625rem;
  line-height: 1.55;
  max-width: 60ch;
}

.post-row__meta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

@media (min-width: 760px) {
  .post-row {
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.55fr);
    gap: 2.5rem;
    align-items: baseline;
  }
}

/* Card grid for cause / capability cards (replaces the multicolor grid) */
.card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
}

.card-grid > .card {
  background: var(--color-bg);
  padding: 1.5rem;
  display: grid;
  gap: 0.5rem;
  align-content: start;
  min-height: 180px;
}

.card__index {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.card__title {
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  font-weight: 400;
  line-height: 1.15;
  color: var(--color-text);
  margin: 0;
  letter-spacing: -0.008em;
}

.card__body {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  line-height: 1.5;
  margin-top: 0.5rem;
}

@media (min-width: 640px) { .card-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 960px) { .card-grid { grid-template-columns: repeat(3, 1fr); } }

/* Big serif wordmark — Coefficient's massive footer treatment */
.big-wordmark {
  border-top: 1px solid var(--color-border);
  padding-block: clamp(3rem, 6vw, 5rem);
  position: relative;
  overflow: hidden;
}

.big-wordmark .container {
  display: grid;
  gap: clamp(2rem, 4vw, 3rem);
  grid-template-columns: 1fr;
}

.big-wordmark__mark {
  font-family: var(--font-serif);
  font-weight: 300;
  font-style: italic;
  font-size: clamp(3.5rem, 9vw, 8rem);
  line-height: 0.95;
  letter-spacing: -0.022em;
  color: var(--color-text);
  margin: 0;
}

.big-wordmark__signup {
  display: grid;
  gap: 0.75rem;
  align-self: end;
  max-width: 360px;
}

.big-wordmark__signup p {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  margin: 0;
}

.big-wordmark__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 0.5rem;
}

.big-wordmark__dots {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 220px;
  height: 220px;
  background-image:
    radial-gradient(circle at 1px 1px, var(--color-border-strong) 0.7px, transparent 0.7px);
  background-size: 14px 14px;
  -webkit-mask-image: radial-gradient(ellipse at bottom right, rgba(0,0,0,0.85) 0%, transparent 70%);
          mask-image: radial-gradient(ellipse at bottom right, rgba(0,0,0,0.85) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.big-wordmark > * { position: relative; z-index: 1; }

@media (min-width: 880px) {
  .big-wordmark .container {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: end;
  }
}

/* ----------------------------------------------- Schematic hero frame   */

.hero-frame {
  position: relative;
  padding: clamp(1.75rem, 4vw, 3rem) clamp(1.25rem, 3vw, 2.5rem);
  isolation: isolate;
}

/* Dot grid background, isolated to a pseudo-element so masking
   only affects the grid, not the foreground content. */
.hero-frame > .grid-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    radial-gradient(circle at 1px 1px, rgba(31, 68, 56, 0.16) 0.7px, transparent 0.7px);
  background-size: 22px 22px;
  -webkit-mask-image: linear-gradient(to bottom, rgba(0,0,0,1) 0%, rgba(0,0,0,0.55) 60%, transparent 100%);
          mask-image: linear-gradient(to bottom, rgba(0,0,0,1) 0%, rgba(0,0,0,0.55) 60%, transparent 100%);
  pointer-events: none;
}

.hero-frame::before,
.hero-frame::after,
.hero-frame > .corner-bl,
.hero-frame > .corner-br {
  content: '';
  position: absolute;
  width: 0.85rem;
  height: 0.85rem;
  pointer-events: none;
}

.hero-frame::before {
  top: 0; left: 0;
  border-top: 1px solid var(--color-accent);
  border-left: 1px solid var(--color-accent);
}

.hero-frame::after {
  top: 0; right: 0;
  border-top: 1px solid var(--color-accent);
  border-right: 1px solid var(--color-accent);
}

.hero-frame > .corner-bl {
  bottom: 0; left: 0;
  border-bottom: 1px solid var(--color-accent);
  border-left: 1px solid var(--color-accent);
}

.hero-frame > .corner-br {
  bottom: 0; right: 0;
  border-bottom: 1px solid var(--color-accent);
  border-right: 1px solid var(--color-accent);
}

/* Mono metadata strip — used above hero H1 */
.meta-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 1.25rem;
}

.meta-strip__sep {
  width: 1px;
  height: 0.65rem;
  background: var(--color-border-strong);
  display: inline-block;
}

.meta-strip__live {
  color: var(--color-accent);
  display: inline-flex;
  align-items: center;
}

/* Section ruler — full-bleed thin rule with a centered mono label */
.ruler {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 1rem;
  margin-block: clamp(2.5rem, 5vw, 4rem);
}

.ruler::before, .ruler::after {
  content: '';
  height: 1px;
  background: var(--color-border-strong);
}

.ruler__label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

/* System status bar — sits above the regular footer */
.system-bar {
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg);
  padding-block: 0.85rem;
}

.system-bar__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.system-bar__item { white-space: nowrap; }
.system-bar__item--accent { color: var(--color-accent); }
.system-bar__sep {
  width: 0.25rem; height: 0.25rem;
  border-radius: 50%;
  background: var(--color-border-strong);
  display: inline-block;
}

/* Coordinate readout */
.coord {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
  font-feature-settings: 'tnum' 1, 'kern' 1;
}

/* Brand: optional mono caption */
.brand-stack {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  line-height: 1.1;
}

.brand-tag {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-top: 0.25rem;
}

/* Schematic ASCII flow (used inline as a textual lifecycle hint) */
.flow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
  white-space: nowrap;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  padding-block: 0.5rem;
}

.flow b {
  color: var(--color-accent);
  font-weight: 600;
}

/* ------------------------------------------------- Print (basic safety)  */

@media print {
  .site-header, .site-footer, .next-link, .skip-link, .mobile-nav { display: none; }
  body { background: white; color: black; font-size: 11pt; }
  a { color: black; text-decoration: underline; }
  .pullquote, .lifecycle-stage__title, .glossary-term dt, .stat dt, .contact-email {
    color: black;
  }
  .section + .section, .argument, .capability, .geo-item, .glossary-term {
    border-color: #999 !important;
  }
}