/* Decoyrail site: paper, ink, and one tripwire red. */
:root {
  --paper: #f4f0e7;
  --paper-raised: #faf8f2;
  --ink: #171914;
  --ink-soft: #4f544b;
  --rule: #b9b5a9;
  --rule-strong: #7e8178;
  --trap: #b52a22;
  --trap-dark: #86211c;
  --allow: #247044;
  --terminal: #171a18;
  --terminal-ink: #edf0e8;
  --terminal-dim: #9ca49a;
  --bg: var(--paper);
  --panel: var(--paper-raised);
  --panel-2: #ebe6db;
  --border: var(--rule);
  --text: var(--ink);
  --muted: var(--ink-soft);
  --accent: var(--trap);
  --accent-strong: var(--trap-dark);
  --alarm: var(--trap);
  --shadow: none;
  --serif: Charter, "Bitstream Charter", "Iowan Old Style", Georgia, serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 16px/1.68 var(--sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection {
  background: #f1c9c3;
  color: var(--ink);
}

a {
  color: var(--trap-dark);
  text-decoration-color: rgba(134, 33, 28, 0.42);
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--trap);
  text-decoration-thickness: 2px;
}

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

h1, h2, h3, h4 {
  color: var(--ink);
  font-family: var(--serif);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.08;
}

h2 {
  font-size: clamp(1.9rem, 4vw, 2.8rem);
  margin: 0 0 1.3rem;
}

code {
  background: #e8e1d4;
  border-bottom: 1px solid #c5b8a6;
  color: #3b2925;
  font-family: var(--mono);
  font-size: 0.86em;
  padding: 0.08em 0.28em;
}

pre.code {
  background: var(--terminal);
  border: 1px solid #080a09;
  border-radius: 3px;
  box-shadow: inset 0 0 0 1px #303632;
  color: var(--terminal-ink);
  font: 0.88rem/1.65 var(--mono);
  margin: 1.5rem 0;
  overflow-x: auto;
  padding: 3.25rem 1.5rem 1.5rem;
  position: relative;
}

pre.code::before {
  background: #232825;
  border-bottom: 1px solid #393f3b;
  color: #d9dcd5;
  content: "●  ●  ●     decoyrail / console";
  font: 0.68rem/2.65rem var(--mono);
  height: 2.65rem;
  left: 0;
  letter-spacing: 0.06em;
  padding: 0 1.25rem;
  position: absolute;
  right: 0;
  top: 0;
  word-spacing: 0.28rem;
}

pre.code code {
  background: none;
  border: 0;
  color: inherit;
  font-size: inherit;
  padding: 0;
}

pre.mermaid {
  align-items: center;
  background: var(--paper-raised);
  border-block: 1px solid var(--rule);
  display: flex;
  justify-content: center;
  margin: 2rem 0;
  min-width: 100%;
  overflow-x: auto;
  padding: 1.5rem;
}

.dim { color: var(--terminal-dim); }
.alarm { color: var(--trap); font-weight: 700; }
.ok { color: var(--allow); font-weight: 700; }
pre.code .alarm { color: #ff7167; }
pre.code .ok { color: #72d69b; }

/* Top navigation */
.topnav {
  align-items: center;
  background: rgba(244, 240, 231, 0.97);
  border-bottom: 1px solid var(--ink);
  display: flex;
  justify-content: space-between;
  min-height: 4.25rem;
  padding: 0.65rem max(1rem, calc((100vw - 72rem) / 2));
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand {
  align-items: center;
  color: var(--ink);
  display: inline-flex;
  font: 700 1.05rem/1 var(--mono);
  letter-spacing: -0.05em;
  text-decoration: none;
}

.brand::before {
  content: "🪤";
  font-size: 1.35rem;
  margin-right: 0.58rem;
}

.brand span { color: var(--trap); }
.brand:hover { color: var(--ink); text-decoration: none; }

.topnav nav {
  align-items: center;
  display: flex;
  gap: clamp(0.8rem, 2vw, 1.6rem);
}

.topnav nav a {
  color: var(--ink);
  font: 600 0.74rem/1 var(--mono);
  letter-spacing: 0.05em;
  text-decoration: none;
  text-transform: uppercase;
}

.topnav nav a:hover { color: var(--trap); }

/* Buttons */
.btn {
  background: transparent;
  border: 1px solid var(--ink);
  border-radius: 2px;
  color: var(--ink);
  display: inline-block;
  font: 700 0.78rem/1 var(--mono);
  letter-spacing: 0.025em;
  padding: 0.82rem 1.12rem;
  text-decoration: none;
  text-transform: uppercase;
}

.btn:hover {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
  text-decoration: none;
}

.btn.primary {
  background: var(--trap);
  border-color: var(--trap);
  color: #fff;
}

.btn.primary:hover {
  background: var(--trap-dark);
  border-color: var(--trap-dark);
  color: #fff;
}

.btn.small { padding: 0.62rem 0.82rem; }
.cta { display: flex; flex-wrap: wrap; gap: 0.7rem; }

/* Landing sections */
main > section {
  border-top: 1px solid var(--rule);
  margin: 0 auto;
  max-width: 72rem;
  padding: clamp(3.5rem, 8vw, 6.5rem) clamp(1rem, 4vw, 3rem);
}

main > section:first-child { border-top: 0; }

.hero {
  min-height: min(42rem, calc(100vh - 4.25rem));
  padding-top: clamp(4rem, 10vw, 8rem);
}

.kicker {
  align-items: center;
  color: var(--trap-dark);
  display: flex;
  font: 700 0.72rem/1.2 var(--mono);
  letter-spacing: 0.12em;
  margin: 0 0 1.6rem;
  text-transform: uppercase;
}

.kicker::before {
  background: var(--trap);
  content: "";
  height: 2px;
  margin-right: 0.7rem;
  width: 2.25rem;
}

.hero h1 {
  font-size: clamp(2.55rem, 6vw, 5.1rem);
  margin: 0 0 1.8rem;
  max-width: 66rem;
}

.lede {
  color: var(--ink-soft);
  font-family: var(--serif);
  font-size: clamp(1.12rem, 2vw, 1.38rem);
  line-height: 1.55;
  max-width: 52rem;
}

.lede strong { color: var(--ink); }
.hero .cta { margin-top: 2rem; }

.demo p,
.cols3 p,
.features p,
.honesty p,
.note { color: var(--ink-soft); }

.demo p { max-width: 47rem; }

.demo figure,
.terminal-demo figure {
  border: 1px solid var(--ink);
  margin: 2rem 0 0;
  padding: 0.4rem;
}

.demo img,
.terminal-demo img {
  display: block;
  height: auto;
  max-width: 100%;
}

.terminal-demo { padding-top: clamp(3.5rem, 8vw, 6.5rem); }

.cols3 {
  counter-reset: principle;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  padding-inline: 0;
}

.cols3 > div {
  border-left: 1px solid var(--rule);
  counter-increment: principle;
  padding: 0 clamp(1rem, 4vw, 3rem);
}

.cols3 > div:first-child { border-left: 0; }

.cols3 h3 {
  font-size: 1.5rem;
  margin: 0 0 0.9rem;
}

.cols3 h3::before {
  color: var(--trap);
  content: "0" counter(principle) " / ";
  display: block;
  font: 700 0.68rem/1 var(--mono);
  letter-spacing: 0.08em;
  margin-bottom: 1.15rem;
}

.cols3 p,
.features p { font-size: 0.96rem; }

.features .grid {
  border-bottom: 1px solid var(--rule);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.features .grid > div {
  border-left: 1px solid var(--rule);
  border-top: 1px solid var(--rule);
  padding: 1.5rem;
}

.features .grid > div:nth-child(3n + 1) { border-left: 0; }

.features h4 {
  font-size: 1.1rem;
  margin: 0 0 0.65rem;
}

.features h4::before {
  color: var(--allow);
  content: "✓";
  font-family: var(--mono);
  margin-right: 0.5rem;
}

.honesty {
  background: var(--paper-raised);
  border: 1px solid var(--ink);
  border-top: 5px solid var(--trap);
  margin-bottom: clamp(3.5rem, 8vw, 6.5rem);
  margin-top: clamp(3.5rem, 8vw, 6.5rem);
}

.honesty strong { color: var(--trap-dark); }
.download { text-align: left; }
.dl-meta { color: var(--trap-dark); font: 700 0.78rem/1.4 var(--mono); }
.dl-sha { color: var(--ink-soft); font-size: 0.85rem; overflow-wrap: anywhere; }
.note { font-size: 0.92rem; }

/* Pricing */
.pricing-hero {
  min-height: 0;
  padding-bottom: clamp(3.5rem, 7vw, 5.5rem);
}

.pricing-grid-wrap {
  max-width: 72rem;
  padding-bottom: clamp(3.5rem, 7vw, 5.5rem);
  padding-top: clamp(3.5rem, 7vw, 5.5rem);
}

.pricing-grid {
  border-block: 1px solid var(--ink);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.plan {
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: 1.65rem 1.3rem 1.5rem;
  position: relative;
}

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

.plan.featured {
  background: var(--paper-raised);
  box-shadow: inset 0 5px 0 var(--trap);
}

.plan h3 {
  font-size: 1.65rem;
  margin: 0 0 1rem;
}

.plan .price {
  font-family: var(--serif);
  font-size: 2rem;
  font-weight: 700;
  line-height: 1;
  margin: 0;
}

.plan .price span {
  color: var(--ink-soft);
  display: block;
  font: 400 0.76rem/1.45 var(--mono);
  margin-top: 0.45rem;
}

.plan .annual {
  border-bottom: 1px solid var(--rule);
  color: var(--ink-soft);
  font: 0.75rem/1.4 var(--mono);
  margin: 0.2rem 0 1.1rem;
  min-height: 2.25rem;
  padding-bottom: 0.8rem;
}

.plan .buyer {
  color: var(--ink-soft);
  font-family: var(--serif);
  font-size: 0.98rem;
  line-height: 1.48;
  margin: 0 0 0.7rem;
}

.plan ul {
  font-size: 0.86rem;
  list-style: none;
  margin: 0.5rem 0 1.5rem;
  padding: 0;
}

.plan li {
  border-top: 1px dotted var(--rule);
  line-height: 1.4;
  padding: 0.58rem 0 0.5rem 1rem;
  position: relative;
}

.plan li::before {
  color: var(--allow);
  content: "+";
  font: 800 0.88rem/1 var(--mono);
  left: 0;
  position: absolute;
  top: 0.7rem;
}

.plan .cta-row {
  margin-bottom: 0;
  margin-top: auto;
}

.plan .btn { width: 100%; text-align: center; }

.tag {
  background: transparent;
  border: 1px solid var(--trap);
  border-radius: 0;
  color: var(--trap-dark);
  font: 700 0.65rem/1.35 var(--mono);
  padding: 0.05em 0.32em;
  vertical-align: 0.08em;
  white-space: nowrap;
}

.compare { max-width: 72rem; }
.table-wrap { overflow-x: auto; }

table {
  border-collapse: collapse;
  font-size: 0.9rem;
  margin: 1.5rem 0;
  width: 100%;
}

th, td {
  border-bottom: 1px solid var(--rule);
  padding: 0.65rem 0.75rem;
  text-align: left;
  vertical-align: top;
}

th {
  border-bottom-color: var(--ink);
  color: var(--ink);
  font: 700 0.7rem/1.3 var(--mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.tier-table { min-width: 50rem; }
.tier-table th { text-align: center; }
.tier-table th:first-child { text-align: left; }

.tier-table td.on {
  color: var(--allow);
  font-weight: 800;
  text-align: center;
  white-space: nowrap;
}

.tier-table td.off { text-align: center; }

.tier-table tr.group td {
  background: var(--ink);
  border-bottom-color: var(--ink);
  color: var(--paper);
  padding-block: 0.8rem;
}

.tier-table .group-intro {
  color: #c8c7c0;
  font-family: var(--serif);
  font-size: 0.92rem;
  font-weight: 400;
  margin-left: 0.35rem;
}

.faq details {
  border-top: 1px solid var(--rule);
  margin: 0;
  padding: 0;
}

.faq details:last-of-type { border-bottom: 1px solid var(--rule); }

.faq summary {
  cursor: pointer;
  font-family: var(--serif);
  font-size: 1.15rem;
  font-weight: 700;
  list-style-position: outside;
  padding: 1rem 2rem 1rem 0;
}

.faq summary::marker { color: var(--trap); }

.faq details p {
  color: var(--ink-soft);
  margin: 0;
  max-width: 48rem;
  padding: 0 0 1.4rem 1.4rem;
}

/* Footer */
.footer {
  border-top: 1px solid var(--ink);
  color: var(--ink-soft);
  font-size: 0.82rem;
  margin: 0 auto;
  max-width: 72rem;
  padding: 2.2rem clamp(1rem, 4vw, 3rem) 3rem;
}

.footer p { max-width: 50rem; }

/* Documentation */
.docs-layout {
  display: grid;
  gap: clamp(2rem, 6vw, 5rem);
  grid-template-columns: 13rem minmax(0, 1fr);
  margin: 0 auto;
  max-width: 72rem;
  padding: 3rem clamp(1rem, 4vw, 3rem) 6rem;
}

.sidebar {
  border-right: 1px solid var(--rule);
  padding-right: 1.25rem;
}

.sidebar nav {
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 6rem;
}

.sidebar-label {
  color: var(--ink);
  font: 700 0.68rem/1.3 var(--mono);
  letter-spacing: 0.1em;
  margin: 0 0 1rem;
  text-transform: uppercase;
}

.sidebar a {
  border-left: 2px solid transparent;
  color: var(--ink-soft);
  font-size: 0.84rem;
  line-height: 1.35;
  margin-left: -1.33rem;
  padding: 0.42rem 0.5rem 0.42rem 1.25rem;
  text-decoration: none;
}

.sidebar a:hover {
  border-left-color: var(--rule-strong);
  color: var(--ink);
}

.sidebar a.active {
  border-left-color: var(--trap);
  color: var(--trap-dark);
  font-weight: 700;
}

.doc-content {
  max-width: 48rem;
  min-width: 0;
}

.doc-content > :first-child { margin-top: 0; }

.doc-content h1 {
  border-bottom: 1px solid var(--ink);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  margin: 0 0 2rem;
  padding-bottom: 1.25rem;
}

.doc-content h2 {
  border-top: 1px solid var(--rule);
  font-size: clamp(1.7rem, 4vw, 2.25rem);
  margin: 3.5rem 0 1rem;
  padding-top: 1.1rem;
}

.doc-content h3 {
  font-size: 1.35rem;
  margin: 2.3rem 0 0.8rem;
}

.doc-content h4 {
  font-size: 1.08rem;
  margin: 1.8rem 0 0.6rem;
}

.doc-content p,
.doc-content li { color: #363b34; }

.doc-content li { margin: 0.32rem 0; }

.doc-content img {
  border: 1px solid var(--ink);
  display: block;
  height: auto;
  margin: 1.5rem 0;
  max-width: 100%;
  padding: 0.35rem;
}

.doc-content blockquote {
  background: var(--paper-raised);
  border-left: 4px solid var(--trap);
  color: var(--ink-soft);
  font-family: var(--serif);
  font-size: 1.08rem;
  margin: 1.8rem 0;
  padding: 0.6rem 1.3rem;
}

.doc-content blockquote p { color: inherit; }

.doc-content hr {
  border: 0;
  border-top: 1px solid var(--ink);
  margin: 3rem 0;
}

@media (max-width: 1000px) {
  .pricing-grid { grid-template-columns: repeat(2, 1fr); }
  .plan:nth-child(odd) { border-left: 0; }
  .plan:nth-child(n + 3) { border-top: 1px solid var(--rule); }
  .features .grid { grid-template-columns: repeat(2, 1fr); }
  .features .grid > div:nth-child(3n + 1) { border-left: 1px solid var(--rule); }
  .features .grid > div:nth-child(odd) { border-left: 0; }
}

@media (max-width: 760px) {
  html { scroll-padding-top: 8rem; }

  .topnav {
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 0.55rem;
    padding-block: 0.7rem 0.55rem;
  }

  .topnav nav {
    gap: 1rem;
    margin-inline: -0.15rem;
    overflow-x: auto;
    padding: 0.2rem 0.15rem 0.4rem;
    scrollbar-width: none;
    width: 100%;
  }

  .topnav nav::-webkit-scrollbar { display: none; }
  .topnav nav a { flex: 0 0 auto; }
  .topnav .btn.small { padding: 0.48rem 0.66rem; }

  .hero {
    min-height: 0;
    padding-top: 3.5rem;
  }

  .hero h1 { font-size: clamp(2.3rem, 11vw, 3.7rem); }

  .cols3 { grid-template-columns: 1fr; }

  .cols3 > div {
    border-left: 0;
    border-top: 1px solid var(--rule);
    padding: 2rem 1rem;
  }

  .cols3 > div:first-child { border-top: 0; }

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

  .features .grid > div,
  .features .grid > div:nth-child(3n + 1) { border-left: 0; }

  .docs-layout {
    gap: 2.5rem;
    grid-template-columns: 1fr;
    padding-top: 1.5rem;
  }

  .sidebar {
    border-bottom: 1px solid var(--rule);
    border-right: 0;
    margin-inline: -1rem;
    overflow-x: auto;
    padding: 0 1rem 0.8rem;
  }

  .sidebar nav {
    align-items: center;
    flex-direction: row;
    min-width: max-content;
    position: static;
  }

  .sidebar-label { margin: 0 1rem 0 0; }

  .sidebar a {
    border-bottom: 2px solid transparent;
    border-left: 0;
    margin: 0;
    padding: 0.55rem 0.7rem;
  }

  .sidebar a:hover {
    border-bottom-color: var(--rule-strong);
    border-left: 0;
  }

  .sidebar a.active {
    border-bottom-color: var(--trap);
    border-left: 0;
  }
}

@media (max-width: 560px) {
  main > section { padding-inline: 1rem; }

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

  .pricing-grid .plan + .plan,
  .plan:nth-child(odd) { border-left: 0; }

  .plan + .plan { border-top: 1px solid var(--rule); }

  pre.code {
    font-size: 0.77rem;
    padding: 3.15rem 1rem 1.15rem;
  }

  pre.code::before { padding-inline: 1rem; }

  .demo figure,
  .terminal-demo figure {
    margin-inline: -0.35rem;
    padding: 0.25rem;
  }

  .footer { padding-inline: 1rem; }

  th, td { padding: 0.55rem 0.62rem; }
}

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