:root {
  --paper: #f2efe6;
  --paper-deep: #dfdbce;
  --ink: #171813;
  --ink-soft: #373931;
  --line: #929486;
  --signal: #d8ff3e;
  --blue: #2948ff;
  --red: #ff5638;
  --white: #fffef8;
  --content: 90rem;
  --gutter: clamp(1rem, 3vw, 3rem);
  color-scheme: light;
  font-family: Inter, "Aptos", "Segoe UI", Helvetica, Arial, sans-serif;
  font-synthesis: none;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  color: var(--ink);
  background: var(--paper);
  font-size: 1rem;
  line-height: 1.5;
  text-rendering: optimizeLegibility;
}

body,
button,
a {
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.22em;
}

button,
a {
  touch-action: manipulation;
}

button {
  font: inherit;
}

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

h1,
h2,
h3,
p,
li,
a,
code,
dd {
  overflow-wrap: anywhere;
}

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 100;
  padding: 0.7rem 0.9rem;
  color: var(--ink);
  background: var(--signal);
  border: 2px solid var(--ink);
  transform: translateY(-160%);
}

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

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

.site-header {
  position: relative;
  z-index: 20;
  display: grid;
  grid-template-columns: minmax(12rem, 1fr) auto minmax(12rem, 1fr);
  align-items: stretch;
  max-width: var(--content);
  min-height: 4.5rem;
  margin: 0 auto;
  border-right: 1px solid var(--ink);
  border-left: 1px solid var(--ink);
}

.wordmark,
.primary-nav,
.header-tools {
  border-bottom: 1px solid var(--ink);
}

.wordmark {
  display: inline-flex;
  gap: 0.75rem;
  align-items: center;
  min-width: 0;
  padding: 0 var(--gutter);
  font-size: 0.98rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-decoration: none;
}

.wordmark-mark {
  display: grid;
  place-items: center;
  width: 2.35rem;
  height: 2.35rem;
  color: var(--signal);
  background: var(--ink);
  font-family: ui-monospace, "Cascadia Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 0.82rem;
  letter-spacing: -0.08em;
}

.primary-nav {
  display: flex;
  align-items: stretch;
  border-right: 1px solid var(--ink);
  border-left: 1px solid var(--ink);
}

.primary-nav a {
  display: grid;
  place-items: center;
  min-width: 6.2rem;
  padding: 0.75rem 1rem;
  font-family: ui-monospace, "Cascadia Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-decoration: none;
  text-transform: uppercase;
  border-right: 1px solid var(--ink);
}

.primary-nav a:last-child {
  border-right: 0;
}

.primary-nav a:hover,
.primary-nav a:focus-visible {
  color: var(--paper);
  background: var(--ink);
}

.header-tools {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  padding: 0 var(--gutter);
}

.alpha-label {
  margin-right: 1rem;
  font-family: ui-monospace, "Cascadia Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
}

.language-toggle {
  width: 2.75rem;
  height: 2.75rem;
  color: var(--ink);
  background: transparent;
  border: 1px solid var(--ink);
  border-radius: 0;
  font-family: ui-monospace, "Cascadia Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 0.72rem;
  font-weight: 800;
  cursor: pointer;
}

.language-toggle:hover {
  background: var(--signal);
}

main,
.site-footer {
  max-width: var(--content);
  margin: 0 auto;
  border-right: 1px solid var(--ink);
  border-left: 1px solid var(--ink);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(22rem, 0.55fr);
  min-height: calc(100vh - 4.5rem);
  border-bottom: 1px solid var(--ink);
}

.hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
  padding: clamp(3.5rem, 8vw, 8rem) var(--gutter) clamp(3.5rem, 7vw, 7rem);
}

.eyebrow {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1.6rem;
  margin-bottom: clamp(2.5rem, 6vw, 5.5rem);
  font-family: ui-monospace, "Cascadia Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.09em;
}

.eyebrow span::before {
  content: "■";
  margin-right: 0.5rem;
  color: var(--blue);
}

.hero h1 {
  max-width: 12ch;
  margin-bottom: 2rem;
  font-size: clamp(3.15rem, 7vw, 7.8rem);
  font-weight: 700;
  letter-spacing: -0.075em;
  line-height: 0.88;
  text-wrap: balance;
}

.hero-summary {
  max-width: 47rem;
  margin-bottom: 1rem;
  font-size: clamp(1.15rem, 2vw, 1.65rem);
  line-height: 1.35;
}

.hero-boundary {
  max-width: 43rem;
  margin-bottom: 2.4rem;
  padding-left: 1rem;
  color: var(--ink-soft);
  border-left: 4px solid var(--red);
  font-size: 0.98rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.primary-action {
  display: inline-flex;
  align-items: center;
  min-height: 3.35rem;
  padding: 0.9rem 1.15rem;
  border: 1px solid var(--ink);
  font-family: ui-monospace, "Cascadia Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-decoration: none;
  text-transform: uppercase;
}

.primary-action::after {
  content: "↗";
  margin-left: 1.2rem;
  font-size: 1rem;
}

.primary-action--solid {
  color: var(--ink);
  background: var(--signal);
}

.primary-action--outline {
  background: transparent;
}

.primary-action:hover {
  color: var(--white);
  background: var(--blue);
}

.hero-system {
  display: flex;
  flex-direction: column;
  min-width: 0;
  color: var(--white);
  background: var(--ink);
  border-left: 1px solid var(--ink);
}

.panel-header,
.shell-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 3.4rem;
  padding: 0.75rem 1rem;
  font-family: ui-monospace, "Cascadia Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  border-bottom: 1px solid #4e5047;
}

.panel-header p {
  margin: 0;
}

.live-dot {
  width: 0.65rem;
  height: 0.65rem;
  background: var(--signal);
}

.trace-list {
  flex: 1;
  margin: 0;
  padding: 0;
  list-style: none;
}

.trace-list li {
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: 1rem;
  align-items: start;
  padding: clamp(1.2rem, 2.5vw, 2.2rem) 1rem;
  border-bottom: 1px solid #4e5047;
}

.trace-index,
.card-number,
.section-index,
.mode-code {
  font-family: ui-monospace, "Cascadia Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.trace-index {
  color: var(--signal);
}

.trace-list strong,
.trace-list small {
  display: block;
}

.trace-list strong {
  margin-bottom: 0.35rem;
  font-size: 0.95rem;
}

.trace-list small {
  color: #b8baae;
  font-family: ui-monospace, "Cascadia Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 0.68rem;
  line-height: 1.45;
}

.runtime-card {
  padding: 1rem;
  color: var(--ink);
  background: var(--signal);
}

.runtime-heading {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
  font-family: ui-monospace, "Cascadia Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 0.68rem;
  letter-spacing: 0.05em;
}

.runtime-heading strong {
  padding: 0 0.3rem;
  color: var(--signal);
  background: var(--ink);
}

.runtime-heading strong[data-state="ready"] {
  color: var(--signal);
}

.runtime-heading strong[data-state="unavailable"] {
  color: var(--white);
  background: var(--red);
}

.runtime-card dl {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin: 0;
  border: 1px solid var(--ink);
}

.runtime-card dl div {
  min-width: 0;
  padding: 0.65rem;
  border-right: 1px solid var(--ink);
}

.runtime-card dl div:last-child {
  border-right: 0;
}

.runtime-card dt {
  margin-bottom: 0.2rem;
  font-family: ui-monospace, "Cascadia Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 0.58rem;
  text-transform: uppercase;
}

.runtime-card dd {
  margin: 0;
  font-family: ui-monospace, "Cascadia Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 0.75rem;
  font-weight: 800;
}

.system-section,
.authority-section,
.edge-section,
.start-section,
.alpha-section {
  padding: clamp(4rem, 8vw, 8rem) var(--gutter);
  border-bottom: 1px solid var(--ink);
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(8rem, 0.32fr) minmax(0, 1.68fr);
  gap: clamp(2rem, 6vw, 6rem);
  margin-bottom: clamp(3rem, 6vw, 6rem);
}

.section-heading h2,
.edge-copy h2,
.alpha-section h2 {
  max-width: 15ch;
  margin-bottom: 1.25rem;
  font-size: clamp(2.5rem, 5vw, 5.2rem);
  font-weight: 700;
  letter-spacing: -0.06em;
  line-height: 0.95;
  text-wrap: balance;
}

.section-heading > div > p,
.edge-copy > p:not(.section-index) {
  max-width: 48rem;
  margin-bottom: 0;
  color: var(--ink-soft);
  font-size: 1.05rem;
}

.section-index {
  color: var(--blue);
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--ink);
  border-left: 1px solid var(--ink);
}

.capability-card {
  display: flex;
  flex-direction: column;
  min-height: 25rem;
  padding: 1.25rem;
  border-right: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}

.capability-card h3 {
  max-width: 9ch;
  margin: 4rem 0 1.2rem;
  font-size: clamp(1.5rem, 2vw, 2.2rem);
  letter-spacing: -0.04em;
  line-height: 1;
}

.capability-card p {
  color: var(--ink-soft);
  font-size: 0.9rem;
}

.capability-card ul {
  margin: auto 0 0;
  padding: 0;
  list-style: none;
  font-family: ui-monospace, "Cascadia Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 0.66rem;
  text-transform: uppercase;
}

.capability-card li {
  padding: 0.38rem 0;
  border-top: 1px solid currentColor;
}

.capability-card--ink {
  color: var(--white);
  background: var(--ink);
}

.capability-card--ink p {
  color: #c8cabf;
}

.capability-card--signal {
  background: var(--signal);
}

.authority-section {
  color: var(--white);
  background: var(--blue);
}

.section-heading--light .section-index,
.section-heading--light > div > p {
  color: var(--white);
}

.mode-explorer {
  display: grid;
  grid-template-columns: minmax(12rem, 0.35fr) minmax(0, 1.65fr);
  border: 1px solid var(--white);
}

.mode-tabs {
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--white);
}

.mode-tabs button {
  flex: 1;
  min-height: 4.5rem;
  padding: 1rem;
  color: var(--white);
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--white);
  border-radius: 0;
  font-family: ui-monospace, "Cascadia Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-align: left;
  text-transform: uppercase;
  cursor: pointer;
}

.mode-tabs button:last-child {
  border-bottom: 0;
}

.mode-tabs button[aria-selected="true"] {
  color: var(--ink);
  background: var(--signal);
}

.mode-panels {
  min-height: 23rem;
}

.mode-panels article {
  min-height: 23rem;
  padding: clamp(2rem, 5vw, 5rem);
}

.mode-panels article[hidden] {
  display: none;
}

.mode-code {
  margin-bottom: clamp(3rem, 7vw, 7rem);
  color: var(--signal);
}

.mode-panels h3 {
  max-width: 15ch;
  margin-bottom: 1.2rem;
  font-size: clamp(2rem, 4vw, 4rem);
  letter-spacing: -0.055em;
  line-height: 0.95;
}

.mode-panels article > p:last-child {
  max-width: 42rem;
  margin-bottom: 0;
  color: #e3e6ff;
}

.effect-sequence {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  margin-top: 2rem;
  border-top: 1px solid var(--white);
  border-left: 1px solid var(--white);
}

.effect-sequence div {
  min-height: 7rem;
  padding: 1rem;
  border-right: 1px solid var(--white);
  border-bottom: 1px solid var(--white);
}

.effect-sequence span,
.effect-sequence strong {
  display: block;
}

.effect-sequence span {
  margin-bottom: 2.3rem;
  color: var(--signal);
  font-family: ui-monospace, "Cascadia Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 0.64rem;
}

.effect-sequence strong {
  font-size: 0.8rem;
}

.authority-note {
  max-width: 51rem;
  margin: 2rem 0 0 auto;
  padding-left: 1rem;
  border-left: 4px solid var(--signal);
  color: #e3e6ff;
  font-size: 0.9rem;
}

.edge-section {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(22rem, 0.95fr);
  gap: clamp(3rem, 8vw, 8rem);
  align-items: center;
}

.edge-copy .section-index {
  margin-bottom: 3rem;
}

.edge-platforms {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  margin-top: 3rem;
  background: var(--ink);
  border: 1px solid var(--ink);
}

.edge-platforms div {
  padding: 1rem;
  background: var(--paper);
}

.edge-platforms strong,
.edge-platforms span {
  display: block;
}

.edge-platforms strong {
  margin-bottom: 0.65rem;
  font-family: ui-monospace, "Cascadia Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 0.72rem;
  text-transform: uppercase;
}

.edge-platforms span {
  color: var(--ink-soft);
  font-size: 0.78rem;
}

.edge-diagram {
  padding: clamp(1rem, 3vw, 2rem);
  color: var(--white);
  background: var(--ink);
  border: 1px solid var(--ink);
}

.diagram-node {
  padding: 1.2rem;
  border: 1px solid #6a6c62;
}

.diagram-node span,
.diagram-node strong {
  display: block;
}

.diagram-node span {
  margin-bottom: 2rem;
  color: #b9bbb0;
  font-family: ui-monospace, "Cascadia Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 0.6rem;
  letter-spacing: 0.08em;
}

.diagram-node strong {
  font-size: clamp(1.1rem, 2vw, 1.65rem);
  letter-spacing: -0.035em;
}

.diagram-node--control {
  color: var(--ink);
  background: var(--signal);
  border-color: var(--signal);
}

.diagram-node--control span {
  color: var(--ink);
}

.diagram-node--edge {
  border-color: var(--red);
}

.diagram-link {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 5rem;
  font-family: ui-monospace, "Cascadia Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 0.58rem;
  letter-spacing: 0.06em;
}

.diagram-link::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 1px;
  background: #6a6c62;
}

.diagram-link span {
  position: relative;
  padding: 0.35rem 0.55rem;
  background: var(--ink);
}

.install-shell {
  color: var(--white);
  background: var(--ink);
  border: 1px solid var(--ink);
}

.command-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: stretch;
}

.command-row pre {
  margin: 0;
  padding: clamp(1rem, 3vw, 2rem);
  overflow-x: auto;
  white-space: pre-wrap;
}

.command-row code {
  font-family: ui-monospace, "Cascadia Mono", "SFMono-Regular", Consolas, monospace;
  font-size: clamp(0.72rem, 1.4vw, 0.9rem);
  line-height: 1.8;
}

.command-row button {
  min-width: 7rem;
  padding: 1rem;
  color: var(--ink);
  background: var(--signal);
  border: 0;
  border-left: 1px solid var(--white);
  border-radius: 0;
  font-family: ui-monospace, "Cascadia Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 0.7rem;
  font-weight: 800;
  text-transform: uppercase;
  cursor: pointer;
}

.command-row button:hover {
  color: var(--white);
  background: var(--blue);
}

.copy-status {
  min-height: 1.5rem;
  margin: 0;
  padding: 0 1rem 0.5rem;
  color: var(--signal);
  font-family: ui-monospace, "Cascadia Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 0.65rem;
}

.start-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 2rem;
  border-top: 1px solid var(--ink);
  border-left: 1px solid var(--ink);
}

.start-links a {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.35rem 1rem;
  min-height: 9rem;
  padding: 1rem;
  border-right: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  text-decoration: none;
}

.start-links a:hover {
  color: var(--white);
  background: var(--blue);
}

.start-links span {
  grid-row: 1 / 3;
  color: var(--blue);
  font-family: ui-monospace, "Cascadia Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 0.64rem;
}

.start-links a:hover span {
  color: var(--signal);
}

.start-links strong {
  align-self: end;
  font-size: 1rem;
}

.start-links small {
  color: var(--ink-soft);
  font-size: 0.72rem;
}

.start-links a:hover small {
  color: #e3e6ff;
}

.alpha-section {
  display: grid;
  grid-template-columns: minmax(15rem, 0.65fr) minmax(0, 1.35fr);
  gap: clamp(3rem, 8vw, 8rem);
  background: var(--signal);
}

.alpha-section h2 {
  max-width: 10ch;
}

.alpha-columns {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-top: 1px solid var(--ink);
  border-left: 1px solid var(--ink);
}

.alpha-columns > div {
  padding: 1rem;
  border-right: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}

.alpha-columns h3 {
  margin-bottom: 3rem;
  font-family: ui-monospace, "Cascadia Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 0.75rem;
  text-transform: uppercase;
}

.alpha-columns ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.alpha-columns li {
  padding: 0.65rem 0;
  border-top: 1px solid var(--ink);
  font-size: 0.82rem;
}

.site-footer {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 2rem;
  align-items: center;
  min-height: 8rem;
  padding: 1.5rem var(--gutter);
  color: var(--white);
  background: var(--ink);
}

.footer-mark {
  display: flex;
  gap: 0.7rem;
  align-items: center;
  letter-spacing: 0.12em;
}

.footer-mark span {
  color: var(--signal);
  font-family: ui-monospace, "Cascadia Mono", "SFMono-Regular", Consolas, monospace;
}

.site-footer p {
  margin: 0;
  color: #b9bbb0;
  font-size: 0.8rem;
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.75rem 1.25rem;
  font-family: ui-monospace, "Cascadia Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 0.66rem;
  text-transform: uppercase;
}

@media (max-width: 1050px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .primary-nav {
    grid-column: 1 / -1;
    grid-row: 2;
    order: 3;
    border-left: 0;
  }

  .primary-nav a {
    flex: 1;
    min-width: 0;
  }

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

  .hero-system {
    border-top: 1px solid var(--ink);
    border-left: 0;
  }

  .trace-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
  }

  .trace-list li:nth-child(odd) {
    border-right: 1px solid #4e5047;
  }

  .capability-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .capability-card {
    min-height: 20rem;
  }

  .edge-section {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  :root {
    --gutter: 1rem;
  }

  .site-header {
    border-right: 0;
    border-left: 0;
  }

  .wordmark {
    padding: 0 1rem;
  }

  .header-tools {
    padding: 0 1rem;
  }

  .alpha-label {
    display: none;
  }

  .primary-nav {
    overflow-x: auto;
  }

  .primary-nav a {
    min-width: 5.25rem;
    padding-right: 0.5rem;
    padding-left: 0.5rem;
  }

  main,
  .site-footer {
    border-right: 0;
    border-left: 0;
  }

  .hero {
    min-height: 0;
  }

  .hero h1 {
    font-size: clamp(3.2rem, 16vw, 5.2rem);
  }

  .runtime-card dl {
    grid-template-columns: 1fr;
  }

  .runtime-card dl div {
    border-right: 0;
    border-bottom: 1px solid var(--ink);
  }

  .runtime-card dl div:last-child {
    border-bottom: 0;
  }

  .section-heading,
  .alpha-section {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .capability-grid,
  .alpha-columns,
  .start-links {
    grid-template-columns: 1fr;
  }

  .capability-card {
    min-height: 18rem;
  }

  .mode-explorer {
    grid-template-columns: 1fr;
  }

  .mode-tabs {
    flex-direction: row;
    overflow-x: auto;
    border-right: 0;
    border-bottom: 1px solid var(--white);
  }

  .mode-tabs button {
    min-width: 8rem;
    border-right: 1px solid var(--white);
    border-bottom: 0;
  }

  .effect-sequence {
    grid-template-columns: 1fr;
  }

  .effect-sequence div {
    min-height: 4.4rem;
  }

  .effect-sequence span {
    display: inline-block;
    margin: 0 1.5rem 0 0;
  }

  .edge-platforms {
    grid-template-columns: 1fr;
  }

  .command-row {
    grid-template-columns: 1fr;
  }

  .command-row button {
    min-height: 3.5rem;
    border-top: 1px solid var(--white);
    border-left: 0;
  }

  .site-footer {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .site-footer nav {
    justify-content: flex-start;
  }
}

@media (max-width: 420px) {
  .wordmark {
    font-size: 0.8rem;
    letter-spacing: 0.12em;
  }

  .wordmark-mark {
    width: 2rem;
    height: 2rem;
  }

  .hero-copy {
    padding-top: 3.25rem;
  }

  .eyebrow {
    gap: 0.5rem 0.8rem;
  }

  .hero-actions,
  .primary-action {
    width: 100%;
  }

  .primary-action {
    justify-content: space-between;
  }

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

  .trace-list li:nth-child(odd) {
    border-right: 0;
  }

  .mode-tabs button {
    min-width: 7rem;
    padding: 0.75rem;
    font-size: 0.65rem;
  }

  .mode-panels article {
    padding: 1.5rem 1rem;
  }

  .mode-panels h3 {
    font-size: 2.2rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}