:root {
  color-scheme: light;
  --paper: #f3f0e7;
  --surface: #faf8f2;
  --ink: #171918;
  --muted: #5d625e;
  --rule: #c9c5b9;
  --rule-dark: #454944;
  --risk: #b83a2d;
  --risk-light: #f2d8d1;
  --warning: #9a5a12;
  --control: #176554;
  --focus: #174fd6;
  --signal: #d9ff67;
  --inverse: #eceae2;
  --deep: #13231f;
  --font-display: ui-serif, Georgia, Cambria, "Times New Roman", serif;
  --font-body: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: ui-monospace, "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --gutter: clamp(1.25rem, 4.2vw, 4.5rem);
  --content: 1380px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 5.5rem;
}

body {
  min-width: 280px;
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

::selection {
  background: var(--ink);
  color: var(--signal);
}

a {
  color: inherit;
}

p,
h1,
h2,
h3,
ol,
ul,
dl,
dd {
  margin-top: 0;
}

img,
svg {
  max-width: 100%;
}

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.75rem 1rem;
  background: var(--focus);
  color: #fff;
  font-size: 0.875rem;
  font-weight: 750;
  transform: translateY(-160%);
  transition: transform 150ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.page-frame,
.header-inner {
  width: min(calc(100% - (2 * var(--gutter))), var(--content));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  z-index: 30;
  top: 0;
  border-bottom: 1px solid var(--ink);
  background: var(--paper);
}

.header-inner {
  display: grid;
  min-height: 5.25rem;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: clamp(1.5rem, 5vw, 5rem);
}

.wordmark {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  gap: 0.75rem;
  color: var(--ink);
  font-size: 0.88rem;
  font-weight: 760;
  letter-spacing: 0.015em;
  text-decoration: none;
  text-transform: uppercase;
}

.wordmark b {
  color: var(--risk);
  font-weight: inherit;
}

.wordmark-mark {
  position: relative;
  display: block;
  width: 1.7rem;
  height: 1.35rem;
  flex: 0 0 auto;
}

.wordmark-mark::before,
.wordmark-mark::after {
  position: absolute;
  z-index: 0;
  background: var(--ink);
  content: "";
}

.wordmark-mark::before {
  top: 0.23rem;
  left: 0.25rem;
  width: 1.15rem;
  height: 1px;
}

.wordmark-mark::after {
  top: 0.25rem;
  right: 0.25rem;
  width: 1px;
  height: 0.78rem;
}

.wordmark-mark i {
  position: absolute;
  z-index: 1;
  width: 0.48rem;
  height: 0.48rem;
  border: 1px solid var(--ink);
  background: var(--paper);
}

.wordmark-mark i:first-child {
  top: 0;
  left: 0;
}

.wordmark-mark i:nth-child(2) {
  top: 0;
  right: 0;
  background: var(--risk);
}

.wordmark-mark i:last-child {
  right: 0;
  bottom: 0;
  background: var(--control);
}

.section-nav {
  display: flex;
  justify-content: center;
  gap: clamp(1.1rem, 2.7vw, 2.75rem);
}

.section-nav a,
.language-nav a,
.site-footer a {
  font-size: 0.74rem;
  font-weight: 760;
  letter-spacing: 0.075em;
  text-decoration-thickness: 1px;
  text-transform: uppercase;
  text-underline-offset: 0.35rem;
}

.section-nav a {
  color: var(--muted);
  text-decoration: none;
}

.language-nav {
  display: flex;
  min-height: 44px;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
}

.language-nav a {
  display: inline-flex;
  min-width: 2.15rem;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}

.language-nav a[aria-current="page"] {
  background: var(--ink);
  color: var(--paper);
}

.hero {
  position: relative;
  display: grid;
  min-height: calc(100svh - 5.25rem);
  padding-block: clamp(4.5rem, 9vw, 8.5rem);
  grid-template-columns: minmax(0, 7fr) minmax(22rem, 5fr);
  align-items: center;
  gap: clamp(3rem, 7vw, 7.5rem);
}

.hero::before {
  position: absolute;
  top: 0;
  bottom: 0;
  left: calc(58.333% + 1rem);
  width: 1px;
  background: var(--rule);
  content: "";
}

.hero-copy {
  position: relative;
  z-index: 1;
}

.kicker,
.overline,
.section-number,
.equation-label,
.label,
.event-type {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 750;
  letter-spacing: 0.095em;
  line-height: 1.4;
  text-transform: uppercase;
}

.kicker {
  display: flex;
  margin-bottom: clamp(2rem, 4vw, 3.5rem);
  align-items: center;
  gap: 1rem;
  color: var(--muted);
}

.kicker span {
  padding: 0.42rem 0.65rem;
  background: var(--risk);
  color: #fff;
}

h1,
h2,
.closing p {
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: -0.045em;
}

h2 {
  hyphens: auto;
  overflow-wrap: break-word;
}

h1 {
  max-width: 10ch;
  margin-bottom: clamp(2rem, 4vw, 3.25rem);
  font-size: clamp(4rem, 7.3vw, 7.35rem);
  line-height: 0.92;
}

h1 em,
h2 em,
.closing em {
  color: var(--risk);
  font-weight: inherit;
}

.hero-lead {
  max-width: 42rem;
  margin-bottom: 2.5rem;
  color: #404440;
  font-size: clamp(1.15rem, 1.5vw, 1.4rem);
  line-height: 1.55;
}

.hero-meta {
  display: flex;
  padding-top: 1.1rem;
  border-top: 1px solid var(--ink);
  gap: 0;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.69rem;
  letter-spacing: 0.025em;
  text-transform: uppercase;
}

.hero-meta span {
  padding-right: 1rem;
}

.hero-meta span + span {
  padding-left: 1rem;
  border-left: 1px solid var(--rule);
}

.control-surface {
  position: relative;
  z-index: 1;
  padding: clamp(1.4rem, 2.5vw, 2.25rem);
  border: 1px solid var(--ink);
  background: var(--ink);
  box-shadow: 0.8rem 0.8rem 0 var(--rule);
  color: var(--inverse);
}

.surface-head {
  display: flex;
  margin-bottom: 1.75rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--rule-dark);
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-family: var(--font-mono);
  text-transform: uppercase;
}

.surface-head p,
.surface-head span {
  margin: 0;
  font-size: 0.66rem;
  letter-spacing: 0.08em;
}

.surface-head span {
  color: #969d96;
}

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

.agent-loop li {
  position: relative;
  display: grid;
  min-height: 4.6rem;
  padding: 1rem 0;
  border-top: 1px solid #343835;
  grid-template-columns: 2.25rem minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.75rem;
}

.agent-loop li:last-child {
  border-bottom: 1px solid #343835;
}

.agent-loop li.exposed::before {
  position: absolute;
  top: 0;
  bottom: 0;
  left: -1rem;
  width: 3px;
  background: var(--risk);
  content: "";
}

.loop-index {
  color: #a6aca6;
  font-family: var(--font-mono);
  font-size: 0.67rem;
}

.agent-loop strong,
.agent-loop small {
  display: block;
}

.agent-loop strong {
  margin-bottom: 0.1rem;
  font-size: 0.88rem;
  letter-spacing: 0.01em;
}

.agent-loop small {
  color: #959b95;
  font-family: var(--font-mono);
  font-size: 0.64rem;
}

.loop-state,
.event-state {
  padding: 0.28rem 0.45rem;
  border: 1px solid #626863;
  color: #c2c7c2;
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.04em;
  line-height: 1.2;
  text-transform: uppercase;
}

.loop-state.trusted {
  border-color: #4c897a;
  color: #8dd2c1;
}

.loop-state.warning {
  border-color: #ad793e;
  color: #e2b176;
}

.loop-state.impact {
  border-color: #c95b4e;
  color: #ef958a;
}

.feedback-line {
  display: grid;
  margin: 1.25rem 0;
  grid-template-columns: 2.25rem 1fr;
  gap: 0.75rem;
  color: #aeb4ae;
}

.feedback-line > span {
  color: var(--signal);
  font-family: var(--font-mono);
  font-size: 1.35rem;
  line-height: 1;
}

.feedback-line p {
  margin: 0;
  font-size: 0.72rem;
  line-height: 1.5;
}

.feedback-line strong {
  display: block;
  color: var(--inverse);
  font-size: 0.66rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.stop-gate {
  display: flex;
  margin: 0;
  padding-top: 1rem;
  border-top: 1px dashed #4b504c;
  align-items: center;
  gap: 0.65rem;
  color: var(--signal);
  font-family: var(--font-mono);
  font-size: 0.63rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.stop-gate span {
  width: 0.55rem;
  height: 0.55rem;
  background: var(--signal);
}

.section {
  display: grid;
  padding-block: clamp(6.5rem, 11vw, 10rem);
  border-top: 1px solid var(--ink);
  grid-template-columns: minmax(10rem, 3fr) minmax(0, 9fr);
  gap: clamp(2.5rem, 7vw, 7rem);
  scroll-margin-top: 5.25rem;
}

.section-aside {
  min-width: 0;
  padding-right: 1rem;
}

.section-body,
.scenario-intro,
.timeline,
.check-intro,
.checklist {
  min-width: 0;
}

.section-number {
  margin-bottom: 2.25rem;
  color: var(--risk);
}

.margin-note {
  max-width: 19rem;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.6;
}

.overline {
  margin-bottom: 1.5rem;
  color: var(--control);
}

h2 {
  max-width: 18ch;
  margin-bottom: 2rem;
  font-size: clamp(3rem, 5.4vw, 5.5rem);
  line-height: 0.98;
}

.section-intro {
  max-width: 47rem;
  margin-bottom: clamp(3.5rem, 6vw, 5.5rem);
  color: #3e423e;
  font-size: clamp(1.08rem, 1.4vw, 1.3rem);
  line-height: 1.65;
}

.capability-list {
  display: grid;
  border-bottom: 1px solid var(--ink);
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.capability-list article {
  position: relative;
  display: grid;
  min-height: 17rem;
  padding: 1.6rem 2rem 1.75rem 0;
  border-top: 1px solid var(--ink);
  grid-template-columns: 2rem 1fr;
  align-content: start;
  column-gap: 1rem;
}

.capability-list article:nth-child(odd) {
  padding-right: 2.5rem;
  border-right: 1px solid var(--rule);
}

.capability-list article:nth-child(even) {
  padding-left: 2.5rem;
}

.capability-id {
  color: var(--risk);
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.capability-list h3 {
  margin-bottom: 1.4rem;
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 1;
}

.capability-list article > p:not(.control-question) {
  grid-column: 2;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.6;
}

.control-question {
  margin: auto 0 0;
  padding-top: 1rem;
  border-top: 1px solid var(--rule);
  grid-column: 2;
  font-size: 0.82rem;
  line-height: 1.55;
}

.control-question span {
  display: block;
  margin-bottom: 0.25rem;
  color: var(--control);
  font-family: var(--font-mono);
  font-size: 0.61rem;
  font-weight: 750;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.equation-band {
  padding-block: clamp(4.5rem, 7vw, 7rem);
  background: var(--ink);
  color: var(--inverse);
}

.equation-label {
  margin-bottom: 2.25rem;
  color: #949a94;
}

.equation {
  display: flex;
  margin-bottom: 2rem;
  align-items: baseline;
  flex-wrap: wrap;
  gap: clamp(0.6rem, 1.7vw, 1.8rem);
  font-size: clamp(1.6rem, 3.35vw, 3.8rem);
  font-weight: 650;
  letter-spacing: -0.045em;
  line-height: 1.05;
}

.equation b {
  color: #717772;
  font-family: var(--font-display);
  font-weight: 400;
}

.equation em {
  color: var(--signal);
  font-family: var(--font-display);
  font-weight: 500;
}

.equation-note {
  max-width: 50rem;
  margin-bottom: 0;
  color: #b8bdb8;
  font-size: 0.94rem;
}

.risk-register {
  margin-top: clamp(3.5rem, 6vw, 6rem);
  border-bottom: 1px solid var(--ink);
}

.risk-row {
  display: grid;
  padding: 2rem 0;
  border-top: 1px solid var(--ink);
  grid-template-columns: 6rem minmax(11rem, 0.85fr) minmax(18rem, 1.4fr);
  gap: clamp(1.5rem, 3.2vw, 3.5rem);
  transition: background-color 150ms ease, box-shadow 150ms ease;
}

.risk-id {
  margin: 0;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.63rem;
  letter-spacing: 0.05em;
  line-height: 1.5;
  text-transform: uppercase;
}

.risk-id span {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--risk);
  font-size: 0.76rem;
  font-weight: 750;
}

.risk-title h3 {
  margin-bottom: 0.8rem;
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 2vw, 2rem);
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 1.1;
}

.risk-title p {
  margin: 0;
  color: var(--risk);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1.5;
  text-transform: uppercase;
}

.risk-detail > p {
  margin-bottom: 1.5rem;
  color: #3f433f;
  font-size: 0.92rem;
}

.risk-detail dl {
  display: grid;
  margin-bottom: 0;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.risk-detail dl div {
  padding-top: 0.85rem;
  border-top: 1px solid var(--rule);
}

.risk-detail dt {
  margin-bottom: 0.3rem;
  color: var(--control);
  font-family: var(--font-mono);
  font-size: 0.59rem;
  font-weight: 750;
  letter-spacing: 0.055em;
  text-transform: uppercase;
}

.risk-detail dd {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.77rem;
  line-height: 1.5;
}

.scenario-section {
  padding-block: clamp(6.5rem, 11vw, 10rem);
  background: var(--deep);
  color: var(--inverse);
  scroll-margin-top: 5.25rem;
}

.scenario-grid {
  display: grid;
  grid-template-columns: minmax(15rem, 4fr) minmax(0, 8fr);
  gap: clamp(3rem, 8vw, 8rem);
}

.inverse {
  color: #9ea9a2;
}

.scenario-intro h2 {
  margin-bottom: 2rem;
  font-size: clamp(3rem, 4.7vw, 5rem);
}

.scenario-intro > p:last-child {
  max-width: 28rem;
  color: #aeb8b1;
  font-size: 0.92rem;
}

.timeline {
  margin: 0;
  padding: 0;
  border-bottom: 1px solid #53605a;
  list-style: none;
}

.timeline li {
  position: relative;
  display: grid;
  min-height: 10rem;
  padding: 1.65rem 0;
  border-top: 1px solid #53605a;
  grid-template-columns: 5.75rem minmax(0, 1fr) auto;
  align-items: start;
  gap: clamp(1rem, 2.5vw, 2.5rem);
}

.timeline li.breach {
  box-shadow: inset 4px 0 0 var(--risk);
}

.timeline time {
  padding-top: 0.15rem;
  color: #929d96;
  font-family: var(--font-mono);
  font-size: 0.67rem;
}

.event-type {
  margin-bottom: 0.6rem;
  color: #8da79e;
  font-size: 0.61rem;
}

.timeline h3 {
  margin-bottom: 0.55rem;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 1.8vw, 1.75rem);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.timeline div > p:last-child {
  max-width: 38rem;
  margin-bottom: 0;
  color: #aeb8b1;
  font-size: 0.82rem;
}

.event-state {
  margin-top: 0.1rem;
  white-space: nowrap;
}

.event-state.ok {
  border-color: #4c897a;
  color: #8dd2c1;
}

.event-state.warning {
  border-color: #ad793e;
  color: #e2b176;
}

.event-state.danger {
  border-color: #c95b4e;
  color: #ef958a;
}

.scenario-conclusion {
  display: grid;
  padding-top: 2.25rem;
  border-top: 1px solid var(--signal);
  grid-column: 2;
  grid-template-columns: 10rem 1fr;
  gap: 2rem;
}

.scenario-conclusion .label {
  color: var(--signal);
}

.scenario-conclusion > p:last-child {
  max-width: 43rem;
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.2vw, 2.2rem);
  letter-spacing: -0.025em;
  line-height: 1.3;
}

.control-phases {
  display: grid;
  margin-top: 4.5rem;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.control-phases article {
  padding: 0 1.75rem 2rem;
}

.control-phases article:first-child {
  padding-left: 0;
}

.control-phases article:last-child {
  padding-right: 0;
}

.control-phases article + article {
  border-left: 1px solid var(--rule);
}

.phase-head {
  min-height: 8.75rem;
  padding-block: 1.5rem;
  border-bottom: 1px solid var(--ink);
}

.phase-head span {
  display: inline-block;
  margin-bottom: 1.3rem;
  padding: 0.3rem 0.5rem;
  background: var(--control);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: 750;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.phase-head h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.65rem;
  letter-spacing: -0.025em;
  line-height: 1.1;
}

.control-phases ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.control-phases li {
  position: relative;
  padding: 1.1rem 0 1.1rem 1.15rem;
  border-bottom: 1px solid var(--rule);
  color: var(--muted);
  font-size: 0.79rem;
  line-height: 1.55;
}

.control-phases li::before {
  position: absolute;
  top: 1.5rem;
  left: 0;
  width: 0.38rem;
  height: 0.38rem;
  background: var(--control);
  content: "";
}

.control-phases li strong {
  color: var(--ink);
  font-weight: 720;
}

.oversight-note {
  display: grid;
  margin-top: clamp(4rem, 7vw, 6.5rem);
  padding: clamp(1.75rem, 3.5vw, 3.25rem);
  border-top: 0.4rem solid var(--control);
  background: var(--surface);
  grid-template-columns: 10rem 1fr;
  gap: 2rem;
}

.oversight-note .label {
  color: var(--control);
}

.oversight-note h3 {
  margin-bottom: 0.8rem;
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 3vw, 3.1rem);
  font-weight: 500;
  letter-spacing: -0.035em;
  line-height: 1.05;
}

.oversight-note div p {
  max-width: 43rem;
  margin: 0;
  color: var(--muted);
  font-size: 0.91rem;
}

.check-section {
  padding-block: clamp(6.5rem, 11vw, 10rem);
  border-top: 1px solid var(--ink);
  background: #e9e0c9;
  scroll-margin-top: 5.25rem;
}

.check-grid {
  display: grid;
  grid-template-columns: minmax(15rem, 4fr) minmax(0, 8fr);
  gap: clamp(3rem, 8vw, 8rem);
}

.check-intro h2 {
  margin-bottom: 1.5rem;
  font-size: clamp(3rem, 4.8vw, 5.1rem);
}

.check-intro > p:last-child {
  max-width: 26rem;
  color: var(--muted);
  font-size: 0.93rem;
}

.checklist {
  margin: 0;
  padding: 0;
  border-bottom: 1px solid var(--ink);
  list-style: none;
}

.checklist li {
  display: grid;
  min-height: 5.3rem;
  padding: 1rem 0;
  border-top: 1px solid var(--ink);
  grid-template-columns: 3.25rem minmax(0, 1fr) auto;
  align-items: center;
  gap: 1rem;
}

.checklist span,
.checklist i {
  font-family: var(--font-mono);
  font-size: 0.63rem;
  font-style: normal;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.checklist span {
  color: #7a2018;
  font-weight: 750;
}

.checklist i {
  padding: 0.25rem 0.4rem;
  border: 1px solid #625e52;
  color: #4a463b;
  white-space: nowrap;
}

.checklist p {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 650;
  line-height: 1.45;
}

.check-result {
  margin: 2.25rem 0 0;
  padding: 1.25rem 1.4rem;
  border-left: 0.35rem solid var(--risk);
  background: var(--paper);
  grid-column: 2;
  font-size: 0.87rem;
}

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

.sources h2 {
  margin-bottom: 4rem;
}

.source-list {
  border-bottom: 1px solid var(--ink);
}

.source-list > a {
  display: grid;
  min-height: 7.5rem;
  padding: 1.4rem 0;
  border-top: 1px solid var(--ink);
  grid-template-columns: 3rem minmax(0, 1fr) 2rem;
  align-items: center;
  gap: 1.25rem;
  text-decoration: none;
  transition: background-color 150ms ease, color 150ms ease, padding 150ms ease;
}

.source-id {
  color: var(--risk);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 750;
}

.source-list h3 {
  margin-bottom: 0.3rem;
  font-size: 0.96rem;
  line-height: 1.4;
}

.source-list p {
  max-width: 43rem;
  margin: 0;
  color: var(--muted);
  font-size: 0.75rem;
  line-height: 1.5;
}

.source-arrow {
  color: var(--risk);
  font-family: var(--font-mono);
  font-size: 1.25rem;
}

.source-note {
  max-width: 48rem;
  margin: 2rem 0 0;
  color: var(--muted);
  font-size: 0.75rem;
}

.closing {
  padding-block: clamp(6rem, 10vw, 10rem);
  background: var(--ink);
  color: var(--inverse);
}

.closing p {
  margin: 0;
  font-size: clamp(2.7rem, 6.5vw, 7rem);
  line-height: 0.98;
}

.closing em {
  color: var(--signal);
  font-style: italic;
}

.site-footer {
  border-top: 1px solid var(--rule-dark);
  background: var(--ink);
  color: #929892;
}

.footer-inner {
  display: grid;
  min-height: 8.5rem;
  grid-template-columns: 1.2fr 1fr 1fr auto;
  align-items: center;
  gap: 2rem;
}

.footer-mark {
  color: var(--inverse);
}

.footer-mark b {
  color: #ef958a;
}

.footer-mark .wordmark-mark::before,
.footer-mark .wordmark-mark::after {
  background: var(--inverse);
}

.footer-mark .wordmark-mark i {
  border-color: var(--inverse);
  background: var(--ink);
}

.footer-mark .wordmark-mark i:nth-child(2) {
  background: var(--risk);
}

.footer-mark .wordmark-mark i:last-child {
  background: #3aa087;
}

.site-footer p,
.site-footer a:not(.wordmark) {
  margin: 0;
  font-size: 0.64rem;
  line-height: 1.5;
}

.site-footer a:not(.wordmark) {
  color: var(--inverse);
}

.check-section .section-number {
  color: #7a2018;
}

@media (hover: hover) {
  .section-nav a:hover,
  .site-footer a:hover {
    color: var(--risk);
    text-decoration: underline;
  }

  .language-nav a:not([aria-current="page"]):hover {
    background: var(--surface);
  }

  .risk-row:hover {
    background: var(--surface);
    box-shadow: -1rem 0 0 var(--surface), 1rem 0 0 var(--surface), inset 4px 0 0 var(--risk);
  }

  .source-list > a:hover {
    padding-right: 1rem;
    padding-left: 1rem;
    background: var(--ink);
    color: var(--inverse);
  }

  .source-list > a:hover p {
    color: #b8bdb8;
  }

  .source-list > a:hover .source-arrow {
    color: var(--signal);
  }
}

@media (max-width: 1120px) {
  .section-nav {
    gap: 1.2rem;
  }

  .hero {
    grid-template-columns: minmax(0, 1.25fr) minmax(20rem, 0.75fr);
    gap: 3.5rem;
  }

  .hero::before {
    display: none;
  }

  h1 {
    font-size: clamp(4rem, 8vw, 6rem);
  }

  .section {
    grid-template-columns: minmax(9rem, 2.5fr) minmax(0, 9.5fr);
    gap: 3.5rem;
  }

  .risk-row {
    grid-template-columns: 4.5rem minmax(10rem, 0.8fr) minmax(16rem, 1.3fr);
    gap: 1.5rem;
  }

  .control-phases article {
    padding-right: 1rem;
    padding-left: 1rem;
  }
}

@media (max-width: 900px) {
  .header-inner {
    gap: 1.5rem;
  }

  .section-nav a:nth-child(3) {
    display: none;
  }

  .hero {
    min-height: auto;
    grid-template-columns: 1fr;
  }

  .hero-copy {
    max-width: 48rem;
  }

  .control-surface {
    width: min(100%, 38rem);
    justify-self: end;
  }

  .section {
    grid-template-columns: 1fr;
    gap: 2.25rem;
  }

  .section-aside {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }

  .section-number {
    margin-bottom: 0;
  }

  .margin-note {
    justify-self: end;
  }

  .risk-row {
    grid-template-columns: 4.5rem minmax(11rem, 0.85fr) minmax(15rem, 1.25fr);
  }

  .scenario-grid,
  .check-grid {
    grid-template-columns: 1fr;
    gap: 3.5rem;
  }

  .scenario-intro,
  .check-intro {
    max-width: 42rem;
  }

  .scenario-conclusion,
  .check-result {
    grid-column: 1;
  }

  .control-phases {
    grid-template-columns: 1fr;
  }

  .control-phases article,
  .control-phases article:first-child,
  .control-phases article:last-child {
    padding: 0;
  }

  .control-phases article + article {
    border-top: 1px solid var(--ink);
    border-left: 0;
  }

  .phase-head {
    display: grid;
    min-height: auto;
    padding: 1.4rem 0;
    grid-template-columns: 7rem 1fr;
    align-items: center;
  }

  .phase-head span {
    width: fit-content;
    margin: 0;
  }

  .footer-inner {
    min-height: 10rem;
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 700px) {
  html {
    scroll-padding-top: 4.35rem;
  }

  .site-header {
    position: relative;
  }

  .header-inner {
    min-height: 4.35rem;
    grid-template-columns: 1fr auto;
  }

  .section-nav {
    display: none;
  }

  .hero {
    padding-block: 4.75rem 6rem;
    gap: 4.5rem;
  }

  h1 {
    max-width: 9.5ch;
    font-size: clamp(3.65rem, 16vw, 5.6rem);
  }

  .hero-lead {
    font-size: 1.08rem;
  }

  .hero-meta {
    flex-direction: column;
    gap: 0.35rem;
  }

  .hero-meta span,
  .hero-meta span + span {
    padding: 0;
    border: 0;
  }

  .control-surface {
    padding: 1.3rem;
    box-shadow: 0.55rem 0.55rem 0 var(--rule);
  }

  .agent-loop li.exposed::before {
    left: -0.7rem;
  }

  .section,
  .scenario-section,
  .check-section {
    padding-block: 5.5rem;
    scroll-margin-top: 0;
  }

  .section-aside {
    display: block;
  }

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

  .margin-note {
    margin-bottom: 0;
  }

  h2,
  .scenario-intro h2,
  .check-intro h2 {
    font-size: clamp(2.7rem, 12vw, 4rem);
  }

  .section-intro {
    margin-bottom: 3.5rem;
    font-size: 1rem;
  }

  .capability-list {
    grid-template-columns: 1fr;
  }

  .capability-list article,
  .capability-list article:nth-child(odd),
  .capability-list article:nth-child(even) {
    min-height: 15rem;
    padding: 1.5rem 0;
    border-right: 0;
  }

  .equation {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 0.3rem 1rem;
    font-size: clamp(2rem, 10vw, 3rem);
  }

  .equation b {
    justify-self: end;
  }

  .equation em {
    grid-column: 1 / -1;
    padding-top: 0.75rem;
    border-top: 1px solid #555a56;
  }

  .risk-row {
    display: block;
    padding: 2rem 0 2.4rem;
  }

  .risk-id,
  .risk-title {
    margin-bottom: 1.5rem;
  }

  .risk-detail dl {
    grid-template-columns: 1fr;
  }

  .timeline li {
    grid-template-columns: 4.6rem minmax(0, 1fr);
  }

  .event-state {
    width: fit-content;
    margin: 0;
    grid-column: 2;
  }

  .scenario-conclusion,
  .oversight-note {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .phase-head {
    grid-template-columns: 6.5rem 1fr;
  }

  .oversight-note {
    padding: 1.5rem;
  }

  .checklist li {
    grid-template-columns: 2.3rem minmax(0, 1fr);
  }

  .checklist i {
    width: fit-content;
    grid-column: 2;
  }

  .sources h2 {
    margin-bottom: 3rem;
  }

  .source-list > a {
    grid-template-columns: 2rem minmax(0, 1fr) 1.5rem;
    gap: 0.75rem;
  }

  .closing p {
    font-size: clamp(2.65rem, 12vw, 4.5rem);
  }

  .footer-inner {
    padding-block: 2.5rem;
    grid-template-columns: 1fr;
    gap: 1rem;
  }
}

@media (max-width: 400px) {
  .wordmark {
    font-size: 0.75rem;
  }

  .wordmark-mark {
    width: 1.5rem;
  }

  .language-nav {
    gap: 0.2rem;
  }

  .language-nav a {
    min-width: 1.9rem;
  }

  h1 {
    font-size: clamp(3.1rem, 15vw, 4.2rem);
  }

  .control-surface {
    margin-right: 0.35rem;
  }

  .agent-loop li {
    grid-template-columns: 1.7rem minmax(0, 1fr);
  }

  .loop-state {
    width: fit-content;
    grid-column: 2;
  }

  .timeline li {
    grid-template-columns: 1fr;
  }

  .event-state {
    grid-column: 1;
  }
}

@media (max-width: 330px) {
  h1 {
    font-size: 2.75rem;
  }

  .equation {
    grid-template-columns: minmax(0, 1fr) auto;
    column-gap: 0.4rem;
    font-size: 1.75rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}

@media print {
  :root {
    --paper: #fff;
    --surface: #fff;
    --ink: #000;
    --muted: #333;
    --rule: #aaa;
  }

  .site-header,
  .site-footer,
  .skip-link {
    display: none;
  }

  body {
    font-size: 10pt;
  }

  .page-frame {
    width: 100%;
  }

  .hero {
    min-height: auto;
    padding-block: 2rem;
  }

  .section,
  .scenario-section,
  .check-section,
  .closing,
  .equation-band {
    padding-block: 2.5rem;
    break-inside: avoid;
  }

  .control-surface,
  .equation-band,
  .scenario-section,
  .closing {
    border: 1px solid #000;
    background: #fff;
    box-shadow: none;
    color: #000;
  }

  .source-list a::after {
    content: " (" attr(href) ")";
    grid-column: 2;
    color: #333;
    font-family: var(--font-mono);
    font-size: 7pt;
    overflow-wrap: anywhere;
  }
}