:root {
  color-scheme: light;
  --paper: #f8f9f4;
  --ink: #182b25;
  --muted: #52635b;
  --green: #225e48;
  --line: #d9e1d6;
  --tint: #eaf0e5;
  --mono: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
  font-family:
    Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  font-synthesis: none;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 110px;
}
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.65;
}
a {
  color: var(--green);
  text-underline-offset: 4px;
}
a:hover {
  color: #113d2d;
}
a:focus-visible,
summary:focus-visible {
  outline: 3px solid #388a67;
  outline-offset: 5px;
  border-radius: 3px;
}
::selection {
  background: #d5e7a8;
  color: #183e35;
}
.skip-link {
  position: fixed;
  top: -100px;
  left: 16px;
  background: var(--ink);
  color: white;
  padding: 12px;
  z-index: 10;
}
.skip-link:focus {
  top: 10px;
  color: white;
}
.site-header {
  max-width: 1280px;
  margin: auto;
  padding: 23px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
  gap: 24px;
}
.brand {
  font-size: 25px;
  font-weight: 750;
  letter-spacing: -1px;
  color: var(--ink);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  white-space: nowrap;
}
.brand-symbol {
  font: 700 23px var(--mono);
  letter-spacing: -3px;
  margin-right: 3px;
}
.version {
  font: 11px var(--mono);
  letter-spacing: 0;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 5px;
  padding: 3px 5px;
  margin-left: 5px;
}
.site-header nav {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 13px;
  font-weight: 600;
}
.site-header nav a {
  text-decoration: none;
  color: var(--muted);
  padding: 5px 0;
}
.site-header nav a:hover {
  color: var(--green);
}
.repo-link {
  border-left: 1px solid var(--line);
  padding-left: 28px !important;
}
main {
  max-width: 1200px;
  margin: auto;
  padding: 0 40px;
}
.hero {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 66px;
  padding: 85px 0 70px;
  align-items: center;
}
.eyebrow,
.mini-label {
  font: 600 11px var(--mono);
  letter-spacing: 1.6px;
  color: var(--green);
}
.eyebrow {
  margin: 0 0 22px;
}
.status-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #338f5c;
  margin: 0 7px 1px 0;
  box-shadow: 0 0 0 4px #e4eddd;
}
h1,
h2,
h3,
p {
  margin-top: 0;
}
h1 {
  font-size: clamp(44px, 4.8vw, 60px);
  letter-spacing: -3.8px;
  line-height: 1.07;
  margin-bottom: 26px;
  font-weight: 650;
}
h1 em {
  font-style: normal;
  color: var(--green);
}
.hero-description {
  font-size: 17px;
  line-height: 1.8;
  color: var(--muted);
  max-width: 465px;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 25px;
  margin: 30px 0 22px;
}
.button {
  display: inline-flex;
  align-items: center;
  gap: 26px;
  font-size: 14px;
  font-weight: 650;
  border-radius: 6px;
  padding: 14px 19px;
  text-decoration: none;
  white-space: nowrap;
}
.primary {
  background: var(--green);
  color: #fff;
}
.primary:hover {
  background: #184b38;
  color: #fff;
}
.text-link {
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
}
.hero-note {
  font-size: 11px;
  color: var(--muted);
  margin: 0;
}
.preview {
  border-radius: 12px;
  overflow: hidden;
  background: #182e29;
  color: #edf2e7;
  box-shadow: 0 18px 55px -24px #152d3866;
  border: 1px solid #24443b;
  transform: rotate(-1deg);
}
.preview-bar {
  padding: 14px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid #365047;
  font: 11px var(--mono);
  color: #c2d0c7;
}
.terminal-dots {
  font-size: 10px;
  letter-spacing: 1px;
  color: #849d8f;
}
.preview-badge {
  font: 9px var(--mono);
  letter-spacing: 1px;
  border: 1px solid #617365;
  border-radius: 3px;
  padding: 3px 5px;
  color: #cae4b1;
}
.preview-body {
  padding: 27px 28px 18px;
}
.code-label {
  font: 9px var(--mono);
  letter-spacing: 1.2px;
  color: #aebfb3;
  margin: 0 0 12px;
}
.sample-text {
  font: 15px/1.9 var(--mono);
  margin-bottom: 0;
}
.sample-text mark {
  background: #6d5746;
  color: #ffe8c6;
  padding: 2px 6px;
  border-radius: 3px;
  box-decoration-break: clone;
}
.cipher {
  color: #d0e9a6;
  background: #2b4b3d;
  padding: 3px 6px;
  border-radius: 3px;
}
.transform-label {
  font: 10px var(--mono);
  color: #b5c7a7;
  margin: 20px 0 22px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.transform-label > span {
  font-size: 24px;
  color: #bed39f;
}
.preview-caption {
  font-size: 10px;
  color: #acbdb1;
  line-height: 1.5;
  margin: 16px 0 0;
}
.preview-footer {
  padding: 13px 23px;
  font-size: 10px;
  background: #213a31;
  color: #c4d0bf;
  border-top: 1px solid #365047;
  display: flex;
  gap: 9px;
}
.feature-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-block: 1px solid var(--line);
  padding: 23px 0;
  gap: 24px;
}
.feature-strip p {
  margin: 0;
  border-right: 1px solid var(--line);
  padding-right: 20px;
}
.feature-strip p:last-child {
  border: 0;
}
.feature-strip strong {
  display: block;
  font-size: 13px;
  letter-spacing: -0.1px;
}
.feature-strip span {
  display: block;
  font-size: 11px;
  color: var(--muted);
  margin-top: 2px;
}
.section {
  padding: 80px 0;
  border-bottom: 1px solid var(--line);
}
.section-heading {
  max-width: 670px;
  margin-bottom: 38px;
}
.section-heading .eyebrow {
  margin-bottom: 15px;
}
h2 {
  font-size: 38px;
  line-height: 1.17;
  letter-spacing: -1.8px;
  font-weight: 620;
  margin-bottom: 19px;
}
.section-heading > p:last-child {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
  margin-bottom: 0;
}
h3 {
  font-size: 18px;
  letter-spacing: -0.45px;
  line-height: 1.4;
  margin-bottom: 12px;
}
p {
  margin-bottom: 16px;
}
code,
kbd {
  font-family: var(--mono);
  font-size: 0.86em;
  overflow-wrap: anywhere;
}
p code,
li code {
  background: #eaf0e4;
  border: 1px solid #dde6d7;
  padding: 1px 4px;
  border-radius: 4px;
}
pre {
  background: #172e27;
  color: #e6efdb;
  border-radius: 7px;
  padding: 20px 23px;
  overflow: auto;
  line-height: 1.85;
  margin: 18px 0;
  font-size: 13px;
  tab-size: 2;
}
pre code {
  font-size: inherit;
  overflow-wrap: normal;
}
.steps {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 34px 42px;
}
.step {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 13px;
}
.step-number {
  font: 11px var(--mono);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border: 1px solid #a7bca8;
  border-radius: 50%;
  color: var(--green);
  margin-top: 1px;
}
.step p {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.8;
}
.small,
.step p.small {
  font-size: 11px;
  line-height: 1.85;
  color: var(--muted);
}
.step pre {
  font-size: 11px;
  padding: 17px 18px;
}
.compact {
  padding-block: 9px !important;
  margin-top: -9px;
}
.callout {
  background: var(--tint);
  border: 1px solid #d3e1c9;
  border-left: 3px solid var(--green);
  border-radius: 5px;
  padding: 22px 25px;
  margin-top: 33px;
  display: grid;
  grid-template-columns: 185px 1fr;
  gap: 20px;
}
.callout-label {
  font: 600 10px/1.7 var(--mono);
  color: var(--green);
  letter-spacing: 0.7px;
  padding-top: 3px;
}
.callout p {
  font-size: 12px;
  color: #3f5948;
  margin: 0;
  line-height: 1.9;
}
.flow-figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fdfefb;
  padding: 28px 28px 0;
  overflow: hidden;
}
.flow-local-label {
  font: 600 10px var(--mono);
  color: var(--green);
  letter-spacing: 1px;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 14px;
}
.flow-local-label span {
  font:
    11px/1.5 ui-sans-serif,
    system-ui;
  letter-spacing: 0;
  color: var(--muted);
}
.flow-row {
  display: grid;
  grid-template-columns: 1fr 90px 1fr 90px 1fr;
  align-items: center;
  gap: 10px;
}
.flow-node {
  padding: 23px 14px;
  text-align: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
}
.node-icon {
  font: 22px var(--mono);
  display: block;
  color: var(--green);
  margin-bottom: 12px;
}
.flow-node h3 {
  font-size: 16px;
  margin-bottom: 7px;
}
.flow-node p {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 16px;
}
.node-tag {
  font: 8px var(--mono);
  letter-spacing: 0.8px;
  color: var(--muted);
}
.gateway-node {
  background: #e8efdf;
  border-color: #b5c9a3;
}
.remote-node {
  border-style: dashed;
  background: transparent;
}
.flow-arrow {
  text-align: center;
  font-size: 26px;
  color: #6b8666;
}
.flow-arrow small {
  display: block;
  font: 9px/1.6 var(--mono);
  color: var(--muted);
  margin-top: 5px;
}
.detector-branch {
  grid-column: 2 / 5;
  grid-row: 2;
  display: flex;
  gap: 16px;
  max-width: 465px;
  margin: 12px auto 25px;
  border: 1px solid #d7e1cb;
  background: #f1f5ea;
  border-radius: 7px;
  padding: 15px 19px;
}
.detector-branch > span {
  font-size: 24px;
  color: var(--green);
}
.detector-branch strong {
  font-size: 12px;
  display: block;
  margin-bottom: 4px;
}
.detector-branch p {
  font-size: 11px;
  color: var(--muted);
  line-height: 1.7;
  margin: 0;
}
figcaption {
  font-size: 11px;
  color: var(--muted);
  border-top: 1px solid var(--line);
  margin: 0 -28px;
  padding: 17px 28px;
  background: #f3f6ee;
}
.explanation-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 38px;
}
.mini-label {
  font-size: 9px;
  display: block;
  margin-bottom: 12px;
}
.explanation-grid h3 {
  font-size: 17px;
}
.explanation-grid p {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.85;
}
.inline-note {
  margin: 24px 0 0;
  border-top: 1px solid var(--line);
  padding-top: 22px;
  font-size: 12px;
  color: var(--muted);
  line-height: 1.85;
}
.inline-note strong {
  color: var(--ink);
}
.usage-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}
.usage-card {
  padding: 25px 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fcfdf8;
}
.usage-card p {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.85;
}
.usage-card .small {
  font-size: 11px;
  margin-bottom: 0;
}
.usage-card pre {
  font-size: 10px;
  padding: 16px 13px;
}
.featured {
  border-color: #a6bc98;
  background: #f0f5e8;
}
kbd {
  border: 1px solid #b9c8af;
  border-radius: 3px;
  padding: 1px 4px;
  background: #f9fbf5;
  white-space: nowrap;
}
.boundary-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.boundary-card {
  border-top: 2px solid #93b18a;
  padding-top: 22px;
}
.boundary-card:nth-child(2) {
  border-top-color: #bba991;
}
.boundary-card h3 {
  font-size: 17px;
}
.boundary-symbol {
  font: 21px var(--mono);
  color: var(--green);
  margin-right: 10px;
}
.boundary-card ul {
  padding-left: 19px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.8;
}
.boundary-card li {
  padding-left: 5px;
  margin-bottom: 11px;
}
.boundary-card li::marker {
  color: #668660;
}
.trust-note {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 15px 26px;
  background: var(--tint);
  border-radius: 6px;
  padding: 24px 27px;
  margin-top: 24px;
}
.trust-note h3 {
  font-size: 16px;
  margin: 0;
}
.trust-note p {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.9;
  margin: 0;
}
.trust-note .text-link {
  grid-column: 2;
  font-size: 12px;
}
.reference {
  border-bottom: 0;
}
.reference-columns {
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  gap: 58px;
}
details {
  border-bottom: 1px solid var(--line);
  padding: 17px 0;
}
details:first-child {
  padding-top: 0;
}
summary {
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  list-style-position: outside;
  margin-left: 16px;
  padding-left: 7px;
}
summary::marker {
  color: var(--green);
}
details p {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.9;
  margin: 14px 0 0 23px;
}
details pre {
  font-size: 11px;
  margin-left: 23px;
}
.doc-links a {
  display: flex;
  align-items: flex-start;
  gap: 17px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
}
.doc-links a:first-child {
  padding-top: 0;
}
.doc-links > a > span {
  font: 10px var(--mono);
  color: var(--muted);
  padding-top: 5px;
}
.doc-links h3 {
  font-size: 15px;
  color: var(--ink);
  margin-bottom: 5px;
}
.doc-links p {
  font-size: 12px;
  color: var(--muted);
  margin: 0;
  line-height: 1.7;
}
.doc-links b {
  margin-left: auto;
  font-weight: 400;
}
.doc-links a:hover h3 {
  text-decoration: underline;
  text-underline-offset: 4px;
}
footer {
  max-width: 1200px;
  margin: auto;
  border-top: 1px solid var(--line);
  padding: 27px 40px 35px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 25px;
}
footer .brand {
  font-size: 21px;
}
footer p,
footer > span {
  font-size: 10px;
  color: var(--muted);
  margin: 0;
}
footer p {
  max-width: 280px;
}
footer a {
  color: inherit;
}
@media (min-width: 1440px) {
  .hero {
    padding-top: 100px;
    padding-bottom: 85px;
  }
}
@media (max-width: 950px) {
  .hero {
    gap: 35px;
  }
  .hero-actions {
    gap: 17px;
  }
  .hero-actions .text-link {
    font-size: 12px;
  }
  h1 {
    font-size: 50px;
  }
  .site-header nav {
    gap: 18px;
  }
  .steps {
    gap: 30px 24px;
  }
  .step {
    grid-template-columns: 1fr;
  }
  .step-number {
    margin-bottom: 0;
  }
  .usage-grid {
    grid-template-columns: 1fr;
  }
  .usage-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 28px;
  }
  .usage-card .mini-label,
  .usage-card h3 {
    grid-column: 1;
  }
  .usage-card pre {
    grid-column: 2;
    grid-row: 1/5;
    align-self: center;
    font-size: 12px;
  }
  .usage-card .small {
    grid-column: 1;
  }
  .flow-row {
    grid-template-columns: 1fr 55px 1fr 55px 1fr;
    gap: 8px;
  }
  .flow-arrow small {
    font-size: 8px;
  }
  .explanation-grid {
    gap: 22px;
  }
  .reference-columns {
    gap: 30px;
  }
  .trust-note {
    grid-template-columns: 130px 1fr;
  }
  .callout {
    grid-template-columns: 145px 1fr;
  }
}
@media (max-width: 700px) {
  html {
    scroll-padding-top: 25px;
  }
  .site-header {
    padding: 18px 22px;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 16px;
  }
  .brand {
    font-size: 24px;
  }
  .site-header nav {
    width: 100%;
    justify-content: space-between;
    gap: 12px;
    font-size: 11px;
  }
  .repo-link {
    padding-left: 12px !important;
  }
  main {
    padding: 0 22px;
  }
  .hero {
    grid-template-columns: 1fr;
    padding: 48px 0 40px;
    gap: 35px;
  }
  .hero-copy {
    max-width: 530px;
  }
  .eyebrow {
    font-size: 9px;
    letter-spacing: 1.3px;
  }
  h1 {
    font-size: clamp(36px, 10.8vw, 50px);
    letter-spacing: -3px;
  }
  .hero-description {
    font-size: 16px;
  }
  .hero-actions .text-link {
    font-size: 13px;
  }
  .hero-note {
    font-size: 10px;
  }
  .preview {
    transform: none;
    max-width: 530px;
    width: 100%;
  }
  .preview-body {
    padding: 24px;
  }
  .feature-strip {
    grid-template-columns: 1fr;
    gap: 17px;
    padding: 24px 0;
  }
  .feature-strip p {
    border-right: 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
  }
  .feature-strip span {
    margin-top: 0;
    font-size: 11px;
  }
  .feature-strip strong {
    font-size: 12px;
  }
  .section {
    padding: 49px 0;
  }
  .section-heading {
    margin-bottom: 27px;
  }
  h2 {
    font-size: 32px;
    letter-spacing: -1.3px;
  }
  .section-heading > p:last-child {
    font-size: 14px;
  }
  .steps {
    grid-template-columns: 1fr;
    gap: 27px;
  }
  .step {
    grid-template-columns: 27px minmax(0, 1fr);
    gap: 11px;
  }
  .step-number {
    width: 25px;
    height: 25px;
    font-size: 10px;
  }
  .step pre {
    font-size: 10px;
    padding: 16px 13px;
  }
  .callout {
    grid-template-columns: 1fr;
    padding: 20px;
    gap: 10px;
  }
  .flow-figure {
    padding: 20px 18px 0;
  }
  .flow-local-label {
    display: block;
    font-size: 9px;
  }
  .flow-local-label span {
    display: block;
    margin-top: 6px;
    font-size: 10px;
  }
  .flow-row {
    grid-template-columns: minmax(0, 1fr);
    gap: 0;
  }
  .flow-node {
    display: grid;
    grid-template-columns: 36px minmax(0, 1fr);
    column-gap: 10px;
    padding: 15px 14px;
    text-align: left;
  }
  .flow-node h3,
  .flow-node p,
  .flow-node .node-tag {
    grid-column: 2;
  }
  .flow-node h3 {
    margin-bottom: 4px;
    line-height: 1.4;
  }
  .flow-node p br {
    display: none;
  }
  .flow-node p {
    font-size: 12px;
    margin-bottom: 7px;
    line-height: 1.6;
  }
  .flow-node .node-icon {
    grid-column: 1;
    grid-row: 1 / 4;
    font-size: 20px;
    line-height: 1.4;
    margin: 0;
    padding-top: 1px;
  }
  .flow-node .node-tag {
    font-size: 9px;
    letter-spacing: 0.5px;
  }
  .flow-arrow {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0 10px 19px;
    font-size: 0;
    line-height: 1;
  }
  .flow-arrow::before {
    content: "↓";
    font: 22px/1 var(--mono);
  }
  .flow-arrow small {
    font-size: 10px;
    margin: 0;
  }
  .detector-branch {
    grid-column: 1;
    grid-row: auto;
    position: relative;
    gap: 10px;
    margin: 10px 0 0 18px;
    padding: 12px;
  }
  .detector-branch::before {
    content: "";
    position: absolute;
    top: -11px;
    left: 20px;
    height: 10px;
    border-left: 1px solid #b5c9a3;
  }
  .detector-branch > span {
    flex: 0 0 18px;
    font: 20px/1.4 var(--mono);
  }
  .detector-branch strong {
    font-size: 12px;
    line-height: 1.5;
  }
  .detector-branch p {
    font-size: 12px;
    line-height: 1.6;
  }
  .flow-figure figcaption {
    margin-top: 18px;
  }
  figcaption {
    margin: 0 -18px;
    padding: 16px 18px;
  }
  .explanation-grid {
    grid-template-columns: 1fr;
    gap: 12px;
    margin-top: 27px;
  }
  .explanation-grid p {
    font-size: 13px;
  }
  .usage-card {
    display: block;
    padding: 22px;
  }
  .usage-card pre {
    font-size: 11px;
  }
  .boundary-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .trust-note {
    display: block;
    padding: 22px;
  }
  .trust-note h3 {
    margin-bottom: 10px;
  }
  .trust-note p {
    margin-bottom: 14px;
  }
  .reference-columns {
    grid-template-columns: 1fr;
    gap: 35px;
  }
  footer {
    margin: 0 22px;
    padding: 25px 0;
    flex-wrap: wrap;
    gap: 18px;
  }
  footer p {
    max-width: none;
    flex: 1;
  }
  footer > span {
    width: 100%;
  }
}
@media (max-width: 370px) {
  h1 {
    font-size: 36px;
    letter-spacing: -2px;
  }
  .hero-actions {
    align-items: flex-start;
    flex-direction: column;
    gap: 16px;
  }
  .site-header nav {
    font-size: 10px;
    gap: 7px;
  }
  .repo-link {
    padding-left: 7px !important;
  }
  .feature-strip p {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .step {
    grid-template-columns: 1fr;
  }
  .flow-local-label {
    letter-spacing: 0.5px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}
@media print {
  .site-header nav,
  .hero-actions,
  .skip-link {
    display: none;
  }
  body {
    background: white;
    color: black;
  }
  main {
    max-width: none;
    padding: 0;
  }
  .hero {
    padding: 25px 0;
    gap: 20px;
  }
  .preview {
    transform: none;
    box-shadow: none;
  }
  .section {
    padding: 30px 0;
  }
  pre {
    white-space: pre-wrap;
    overflow-wrap: anywhere;
  }
  details {
    break-inside: avoid;
  }
  .step,
  .usage-card,
  .flow-figure {
    break-inside: avoid;
  }
  footer {
    padding-inline: 0;
  }
}