:root {
  --outside: #181817;
  --paper: #f4f0e7;
  --paper-deep: #e9e3d8;
  --ink: #171614;
  --muted: #68635b;
  --line: #c9c1b4;
  --orange: #e95f22;
  --white: #fffdf8;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  --sans: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: 30px;
  background: var(--outside);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}

a {
  color: inherit;
  text-underline-offset: 3px;
}

button {
  font: inherit;
}

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

code {
  font-size: 0.91em;
}

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

.skip-link {
  position: fixed;
  z-index: 10;
  top: 8px;
  left: 8px;
  padding: 8px 12px;
  background: var(--orange);
  color: var(--ink);
  font-weight: 700;
  transform: translateY(-160%);
}

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

.site-frame {
  width: min(100%, 1020px);
  margin-inline: auto;
  background: var(--paper);
  border: 1px solid #363633;
}

.site-header {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(22px, 5vw, 54px);
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  text-decoration: none;
}

.brand img {
  display: block;
  width: 32px;
  height: 32px;
}

.brand span {
  display: grid;
  line-height: 1.1;
}

.brand strong {
  font-size: 0.92rem;
  letter-spacing: 0.045em;
}

.brand small {
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.68rem;
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 22px;
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: 20px;
}

.primary-nav a {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 650;
  text-decoration: none;
}

.primary-nav a:hover {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--orange);
  text-decoration-thickness: 2px;
}

.language-switcher {
  display: inline-flex;
  border: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 0.65rem;
  font-weight: 700;
}

.language-switcher a {
  min-width: 31px;
  padding: 4px 6px;
  text-align: center;
  text-decoration: none;
}

.language-switcher a + a {
  border-left: 1px solid var(--line);
}

.language-switcher a:hover {
  background: var(--paper-deep);
}

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

main,
.site-footer {
  padding-inline: clamp(22px, 7vw, 78px);
}

.hero {
  max-width: 760px;
  padding-block: clamp(64px, 9vw, 96px) clamp(68px, 9vw, 92px);
  scroll-margin-top: 20px;
}

.overline {
  margin: 0 0 13px;
  color: var(--orange);
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 13ch;
  margin: 0;
  font-size: clamp(3rem, 7vw, 5.1rem);
  font-weight: 760;
  letter-spacing: -0.06em;
  line-height: 0.98;
}

.hero-lead {
  max-width: 610px;
  margin: 25px 0 0;
  color: var(--muted);
  font-size: clamp(1.05rem, 2vw, 1.22rem);
}

.endpoint {
  max-width: 620px;
  margin-top: 34px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  background: var(--ink);
  color: var(--white);
  border: 1px solid var(--ink);
}

.endpoint-value {
  min-width: 0;
  display: grid;
  gap: 4px;
  padding: 13px 16px 15px;
}

.endpoint-value span {
  color: #b8b5af;
  font-family: var(--mono);
  font-size: 0.64rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.endpoint-value code {
  overflow: hidden;
  font-size: 1.05rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.copy-button {
  min-width: 94px;
  border: 0;
  border-left: 1px solid #4c4944;
  background: var(--orange);
  color: var(--ink);
  cursor: pointer;
  font-size: 0.78rem;
  font-weight: 750;
}

.copy-button:hover {
  background: #fa7640;
}

.copy-status {
  min-height: 1.35rem;
  margin: 7px 0 0;
  color: var(--muted);
  font-size: 0.75rem;
}

.endpoint-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 7px 18px;
  margin: 10px 0 0;
  padding: 0;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.7rem;
  list-style: none;
}

.endpoint-facts li::before {
  content: "·";
  margin-right: 7px;
  color: var(--orange);
}

.plain-note {
  max-width: 620px;
  margin: 32px 0 0;
  padding: 16px 18px;
  background: var(--paper-deep);
  border-left: 3px solid var(--orange);
  color: var(--muted);
  font-size: 0.84rem;
}

.plain-note a {
  color: var(--ink);
  font-weight: 700;
}

.plain-note a span {
  margin-left: 3px;
  color: var(--orange);
}

.section {
  padding-block: clamp(56px, 8vw, 84px);
  border-top: 1px solid var(--line);
  scroll-margin-top: 20px;
}

.section-heading {
  max-width: 650px;
  margin-bottom: 36px;
}

.section-heading h2 {
  max-width: 18ch;
  margin: 0;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 720;
  letter-spacing: -0.045em;
  line-height: 1.08;
}

.section-heading > p:last-child {
  max-width: 590px;
  margin: 15px 0 0;
  color: var(--muted);
}

.connect-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(30px, 6vw, 66px);
}

.connect-grid article {
  min-width: 0;
}

.connect-grid h3,
.privacy-list h3 {
  margin: 0 0 8px;
  font-size: 1.02rem;
}

.article-intro {
  min-height: 3.2em;
  margin: 0 0 21px;
  color: var(--muted);
  font-size: 0.84rem;
}

.connection-values {
  margin: 0;
  border-top: 1px solid var(--line);
}

.connection-values div {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px solid var(--line);
}

.connection-values dt,
.connection-values dd {
  margin: 0;
  font-size: 0.8rem;
}

.connection-values dt {
  color: var(--muted);
}

.connection-values dd {
  font-weight: 700;
}

.command {
  margin: 0;
  padding: 16px;
  overflow-x: auto;
  background: var(--ink);
  color: #efede7;
  font-size: 0.72rem;
  line-height: 1.65;
  tab-size: 2;
}

.fine-print {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 0.75rem;
}

.quick-check {
  margin-top: 35px;
  padding: 13px 0;
  display: grid;
  grid-template-columns: 100px minmax(0, 1fr);
  gap: 15px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.72rem;
}

.quick-check span {
  color: var(--ink);
  font-family: var(--mono);
  font-weight: 700;
  text-transform: uppercase;
}

.quick-check code {
  overflow-x: auto;
  white-space: nowrap;
}

.privacy-list {
  border-top: 1px solid var(--line);
}

.privacy-list article {
  display: grid;
  grid-template-columns: minmax(190px, 0.7fr) minmax(0, 1.3fr);
  gap: 32px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.privacy-list p {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.source-line {
  margin: 20px 0 0;
  color: var(--muted);
  font-size: 0.78rem;
}

.source-line a,
.text-link {
  color: var(--ink);
  font-weight: 700;
  text-decoration-color: var(--orange);
  text-decoration-thickness: 2px;
}

.own-node {
  display: grid;
  grid-template-columns: minmax(240px, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(34px, 7vw, 72px);
  align-items: start;
}

.own-node .section-heading {
  margin-bottom: 0;
}

.own-node-copy {
  padding-top: 4px;
}

.own-node-copy p {
  margin: 0 0 18px;
  color: var(--muted);
}

.text-link {
  font-size: 0.83rem;
}

.rust-section .section-heading {
  max-width: 720px;
}

.rust-projects {
  border-top: 1px solid var(--line);
}

.rust-project {
  display: grid;
  grid-template-columns: minmax(150px, 0.65fr) minmax(0, 1.35fr) minmax(170px, 0.8fr);
  gap: 24px;
  align-items: start;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.rust-project-name h3,
.rust-project-name p,
.rust-project > p {
  margin: 0;
}

.rust-project-name h3 {
  font-size: 1rem;
}

.rust-project-name h3 code {
  font-size: inherit;
}

.rust-project-name p {
  margin-top: 4px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.rust-project > p {
  color: var(--muted);
  font-size: 0.84rem;
}

.rust-project-links {
  display: flex;
  flex-wrap: wrap;
  gap: 7px 14px;
}

.rust-project-links a {
  font-size: 0.72rem;
  font-weight: 700;
  text-decoration-color: var(--orange);
  text-decoration-thickness: 2px;
}

.rust-project-links span {
  color: var(--orange);
}

.rust-note {
  max-width: 720px;
  margin: 30px 0 0;
  padding: 16px 18px;
  background: var(--paper-deep);
  border-left: 3px solid var(--orange);
  color: var(--muted);
  font-size: 0.78rem;
}

.links-section {
  display: grid;
  grid-template-columns: 170px minmax(0, 1fr);
  gap: 30px;
  padding-block: 30px 36px;
  border-top: 1px solid var(--line);
}

.links-section h2 {
  margin: 1px 0 0;
  font-family: var(--mono);
  font-size: 0.76rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.links-section ul {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.links-section a {
  font-size: 0.78rem;
  font-weight: 650;
}

.links-section a span,
.text-link span,
.source-line a span {
  color: var(--orange);
}

.site-footer {
  padding-block: 24px;
  background: var(--paper-deep);
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.site-footer p {
  max-width: 610px;
  margin: 0;
  font-size: 0.7rem;
}

@media (max-width: 760px) {
  body {
    padding: 16px;
  }

  .site-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 14px;
  }

  .header-controls {
    width: 100%;
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 14px;
  }

  .primary-nav {
    width: auto;
    gap: 18px;
    overflow-x: auto;
    padding-bottom: 3px;
  }

  .primary-nav a {
    flex: 0 0 auto;
  }

  .connect-grid,
  .own-node {
    grid-template-columns: 1fr;
  }

  .article-intro {
    min-height: 0;
  }

  .connect-grid article + article {
    padding-top: 28px;
    border-top: 1px solid var(--line);
  }

  .privacy-list article {
    grid-template-columns: 1fr;
    gap: 7px;
  }

  .rust-project {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .rust-project-links {
    margin-top: 3px;
  }

  .own-node {
    gap: 16px;
  }

  .links-section {
    grid-template-columns: 1fr;
    gap: 12px;
  }

}

@media (max-width: 480px) {
  body {
    padding: 0;
  }

  .site-frame {
    border: 0;
  }

  .site-header {
    padding: 16px 18px;
  }

  main,
  .site-footer {
    padding-inline: 18px;
  }

  .hero {
    padding-block: 52px 60px;
  }

  .hero h1 {
    font-size: clamp(2.75rem, 14vw, 3.55rem);
  }

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

  .copy-button {
    min-height: 44px;
    border-top: 1px solid #4c4944;
    border-left: 0;
  }

  .endpoint-facts {
    gap: 5px 12px;
  }

  .plain-note {
    margin-top: 25px;
  }

  .quick-check {
    grid-template-columns: 1fr;
    gap: 5px;
  }

  .command {
    margin-inline: -3px;
    font-size: 0.67rem;
  }
}

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