@font-face {
  font-family: "Fraunces";
  src: url("/assets/fonts/fraunces-latin-400-700.woff2") format("woff2");
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
}

@font-face {
  font-family: "IBM Plex Sans";
  src: url("/assets/fonts/ibm-plex-sans.woff2") format("woff2");
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
}

@font-face {
  font-family: "IBM Plex Mono";
  src: url("/assets/fonts/ibm-plex-mono-400.woff2") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "IBM Plex Mono";
  src: url("/assets/fonts/ibm-plex-mono-500.woff2") format("woff2");
  font-style: normal;
  font-weight: 500;
  font-display: swap;
}

:root {
  --bg: #0b0710;
  --bg-raised: #120b1b;
  --surface: #1a1024;
  --surface-raised: #22152f;
  --text: #f1e7d8;
  --muted: #b9a7d0;
  --dim: #8d7da3;
  --line: rgba(241, 231, 216, 0.14);
  --line-strong: rgba(241, 231, 216, 0.28);
  --violet: #c9a2ff;
  --violet-soft: rgba(201, 162, 255, 0.14);
  --copper: #ff8a65;
  --mint: #7de2c3;
  --focus: #ffd166;
  --sans: "IBM Plex Sans", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --serif: "Fraunces", "Iowan Old Style", "Palatino Linotype", Georgia, serif;
  --max: 1180px;
  --radius: 16px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(900px 640px at 88% -8%, rgba(201, 162, 255, 0.16), transparent 65%),
    radial-gradient(760px 520px at -5% 18%, rgba(255, 138, 101, 0.08), transparent 62%),
    var(--bg);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  background-image:
    linear-gradient(rgba(241, 231, 216, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(241, 231, 216, 0.035) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(ellipse at 50% 0%, black 0%, transparent 72%);
}

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

a:hover {
  color: var(--violet);
}

button,
input {
  font: inherit;
}

button {
  color: inherit;
}

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

code {
  color: var(--muted);
  font-size: 0.92em;
}

::selection {
  color: var(--bg);
  background: var(--copper);
}

:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}

.shell {
  width: min(100% - 2.5rem, var(--max));
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 100;
  padding: 0.7rem 1rem;
  color: var(--bg);
  background: var(--focus);
  border-radius: 8px;
  font-family: var(--mono);
  font-size: 0.8rem;
  transform: translateY(-160%);
  transition: transform 160ms ease;
}

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

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  border-bottom: 1px solid var(--line);
  background: rgba(11, 7, 16, 0.78);
  backdrop-filter: blur(18px);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  min-height: 74px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  white-space: nowrap;
}

.brand:hover {
  color: var(--text);
}

.brand-mark {
  width: 30px;
  height: 30px;
  flex: 0 0 auto;
  fill: none;
  stroke: var(--violet);
  stroke-width: 1.3;
}

.brand-mark circle:nth-child(2) {
  stroke: var(--copper);
}

.brand-mark circle:nth-child(3) {
  fill: var(--copper);
  stroke: var(--copper);
}

.brand-word {
  font-family: var(--mono);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.16em;
}

.brand-slash {
  padding-inline: 0.08em;
  color: var(--copper);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.4rem;
  margin-left: auto;
}

.site-nav a {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-decoration: none;
  text-transform: uppercase;
}

.site-nav a:hover {
  color: var(--text);
}

.header-cta {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 0.85rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--text);
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-decoration: none;
  white-space: nowrap;
}

.header-cta:hover {
  border-color: var(--copper);
  color: var(--copper);
}

/* Hero */

.hero {
  display: grid;
  gap: 3rem;
  align-items: center;
  padding-block: clamp(3.5rem, 8vw, 7rem) clamp(3rem, 6vw, 5.5rem);
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin: 0 0 1.25rem;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.eyebrow-dot {
  width: 7px;
  height: 7px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 0 4px rgba(125, 226, 195, 0.1);
}

h1,
h2,
h3 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 500;
  letter-spacing: -0.035em;
}

h1 {
  max-width: 13ch;
  font-size: clamp(3.1rem, 8.1vw, 6.3rem);
  line-height: 0.94;
}

h1 em {
  color: var(--copper);
  font-style: italic;
  font-weight: 400;
}

.lede {
  max-width: 35rem;
  margin: 1.6rem 0 0;
  color: var(--muted);
  font-size: clamp(1rem, 1.5vw, 1.16rem);
}

.lede code {
  color: var(--text);
}

.route-form {
  max-width: 40rem;
  margin-top: 2.2rem;
}

.route-label {
  display: block;
  margin-bottom: 0.55rem;
  color: var(--text);
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.route-field {
  display: flex;
  align-items: stretch;
  gap: 0.35rem;
  padding: 0.35rem;
  border: 1px solid var(--line-strong);
  border-radius: 14px;
  background:
    linear-gradient(120deg, rgba(201, 162, 255, 0.08), transparent 48%),
    var(--surface);
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

.route-field:focus-within {
  border-color: var(--violet);
  box-shadow: 0 0 0 4px var(--violet-soft);
}

.route-field.has-error {
  border-color: var(--copper);
}

.route-prefix {
  display: grid;
  place-items: center;
  padding-inline: 0.7rem 0.65rem;
  border-right: 1px solid var(--line);
  color: var(--dim);
  font-family: var(--mono);
  font-size: 0.85rem;
}

.route-field input {
  min-width: 0;
  flex: 1 1 14rem;
  padding: 0.85rem 0.4rem;
  border: 0;
  outline: 0;
  color: var(--text);
  background: transparent;
  font-family: var(--mono);
  font-size: 0.94rem;
}

.route-field input::placeholder {
  color: var(--dim);
  opacity: 0.72;
}

.route-field button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  min-height: 48px;
  padding: 0.6rem 1.05rem;
  border: 0;
  border-radius: 10px;
  color: #27100a;
  background: var(--copper);
  font-size: 0.9rem;
  font-weight: 600;
  white-space: nowrap;
  cursor: pointer;
  transition: background-color 160ms ease, transform 160ms ease;
}

.route-field button svg {
  width: 17px;
  height: 17px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.route-field button:hover {
  background: #ffa07f;
  transform: translateY(-1px);
}

.route-field button:disabled {
  opacity: 0.68;
  cursor: wait;
  transform: none;
}

.route-help {
  margin: 0.6rem 0 0;
  color: var(--dim);
  font-size: 0.78rem;
}

.route-help code {
  color: var(--muted);
}

.route-error {
  margin: 0.55rem 0 0;
  color: var(--copper);
  font-family: var(--mono);
  font-size: 0.78rem;
}

.example-line {
  margin: 0.9rem 0 0;
  color: var(--dim);
  font-size: 0.78rem;
}

.example-link {
  padding: 0;
  border: 0;
  color: var(--violet);
  background: none;
  font: inherit;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
  cursor: pointer;
}

.example-link:hover {
  color: var(--copper);
}

.example-note {
  color: var(--dim);
  opacity: 0.7;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1.2rem;
  margin: 2rem 0 0;
  padding: 0;
  color: var(--dim);
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  list-style: none;
  text-transform: uppercase;
}

.hero-meta li {
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

.hero-meta li + li::before {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--line-strong);
  content: "";
}

/* Route map */

.hero-visual {
  position: relative;
  min-height: 390px;
  padding: 1rem;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 24px;
  background:
    radial-gradient(520px 380px at 58% 40%, rgba(201, 162, 255, 0.12), transparent 68%),
    linear-gradient(160deg, rgba(34, 21, 47, 0.8), rgba(11, 7, 16, 0.94));
}

.map-grid {
  position: absolute;
  inset: 0;
  opacity: 0.3;
  background-image:
    linear-gradient(rgba(241, 231, 216, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(241, 231, 216, 0.05) 1px, transparent 1px);
  background-size: 36px 36px;
  mask-image: radial-gradient(ellipse at 55% 46%, black, transparent 78%);
}

.route-map {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  height: auto;
}

.onion-ring {
  fill: none;
  stroke: var(--violet);
  stroke-width: 1;
}

.ring-1 { opacity: 0.14; }
.ring-2 { opacity: 0.2; stroke-dasharray: 2 8; }
.ring-3 { opacity: 0.27; }
.ring-4 { opacity: 0.35; stroke-dasharray: 1 6; }

.crosshair path {
  fill: none;
  stroke: rgba(241, 231, 216, 0.07);
  stroke-width: 1;
}

.route-line {
  fill: none;
  stroke: var(--line-strong);
  stroke-width: 1.4;
}

.route-dash {
  fill: none;
  stroke: var(--mint);
  stroke-width: 1.5;
  stroke-dasharray: 3 9;
  opacity: 0.8;
  animation: route-dash 16s linear infinite;
}

.route-node circle:first-child {
  fill: var(--surface);
  stroke: var(--violet);
  stroke-width: 1.4;
}

.route-node circle:nth-child(2) {
  fill: var(--violet);
  stroke: none;
}

.route-node.gateway circle:first-child { stroke: var(--copper); }
.route-node.gateway circle:nth-child(2) { fill: var(--copper); }
.route-node.tor circle:first-child { stroke: var(--mint); }
.route-node.tor circle:nth-child(2) { fill: var(--mint); }
.route-node.onion circle:first-child { stroke: var(--copper); }
.route-node.onion circle:nth-child(2) { fill: var(--copper); }

.route-node text {
  fill: var(--dim);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.14em;
  text-anchor: middle;
}

.packet {
  fill: var(--copper);
  filter: drop-shadow(0 0 7px rgba(255, 138, 101, 0.9));
}

.hero.is-routing .packet {
  fill: var(--mint);
}

.hero.is-valid .packet {
  fill: var(--mint);
}

.route-readout {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 0.5rem;
  padding-top: 0.85rem;
  border-top: 1px solid var(--line);
}

.readout-label {
  color: var(--dim);
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.route-readout code {
  overflow: hidden;
  color: var(--muted);
  font-size: 0.68rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.hero.is-valid .route-readout code {
  color: var(--mint);
}

/* Capability strip */

.capability-strip {
  border-block: 1px solid var(--line);
  background: rgba(18, 11, 27, 0.54);
}

.capability-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1.4rem;
  padding-block: 0.95rem;
  color: var(--dim);
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.capability-list span {
  display: inline-flex;
  align-items: center;
  gap: 1.4rem;
}

.capability-list span + span::before {
  width: 5px;
  height: 5px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  content: "";
}

/* Sections */

.section {
  padding-block: clamp(4rem, 8vw, 7rem);
  border-bottom: 1px solid var(--line);
}

h2 {
  max-width: 16ch;
  font-size: clamp(2.1rem, 4.5vw, 3.65rem);
  line-height: 1;
}

h3 {
  font-size: clamp(1.35rem, 2.1vw, 1.7rem);
  line-height: 1.15;
}

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 2fr);
  gap: 2rem;
  align-items: start;
  margin-bottom: 3rem;
}

.section-head .eyebrow {
  margin-top: 0.5rem;
}

.route-steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 2rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.route-steps li {
  position: relative;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line-strong);
}

.step-index {
  display: block;
  margin-bottom: 2.3rem;
  color: var(--copper);
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
}

.route-steps p {
  margin: 0.8rem 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(2rem, 6vw, 6rem);
  align-items: start;
}

.split-lead p:not(.eyebrow) {
  max-width: 32rem;
  margin: 1.2rem 0 0;
  color: var(--muted);
}

.split-body {
  padding-top: 2rem;
}

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

.ledger div {
  display: grid;
  grid-template-columns: minmax(7rem, 0.7fr) minmax(0, 1.3fr);
  gap: 1rem;
  padding-block: 0.85rem;
  border-bottom: 1px solid var(--line);
}

.ledger dt {
  color: var(--dim);
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.ledger dd {
  margin: 0;
  color: var(--text);
  font-size: 0.92rem;
}

.note {
  margin: 1.4rem 0 0;
  color: var(--dim);
  font-size: 0.86rem;
}

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

.caveats li {
  position: relative;
  padding: 0 0 1rem 1.4rem;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.93rem;
}

.caveats li + li {
  padding-top: 1rem;
}

.caveats li::before {
  position: absolute;
  top: 0.55rem;
  left: 0;
  width: 6px;
  height: 6px;
  border: 1px solid var(--copper);
  border-radius: 50%;
  content: "";
}

.caveats li + li::before {
  top: 1.55rem;
}

.caveats strong {
  color: var(--text);
  font-weight: 500;
}

/* FAQ */

.faq-list {
  max-width: 880px;
  margin-left: auto;
  border-top: 1px solid var(--line-strong);
}

.faq-list details {
  border-bottom: 1px solid var(--line);
}

.faq-list summary {
  position: relative;
  padding: 1.15rem 2.5rem 1.15rem 0;
  color: var(--text);
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  list-style: none;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary::after {
  position: absolute;
  top: 50%;
  right: 0.2rem;
  color: var(--copper);
  font-family: var(--mono);
  font-size: 1.05rem;
  content: "+";
  transform: translateY(-50%);
}

.faq-list details[open] summary::after {
  content: "−";
}

.faq-list details p {
  max-width: 68ch;
  margin: 0;
  padding: 0 2rem 1.4rem 0;
  color: var(--muted);
  font-size: 0.93rem;
}

/* API */

.api-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1.5rem;
  color: var(--dim);
  font-family: var(--mono);
  font-size: 0.72rem;
}

.api-links a {
  color: var(--violet);
}

.code-block {
  margin: 0;
  padding: 1.2rem 1.25rem;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #09050d;
  box-shadow: inset 0 1px 0 rgba(241, 231, 216, 0.04);
  font-size: 0.8rem;
  line-height: 1.75;
}

.code-block code {
  color: var(--text);
  font-size: inherit;
}

.code-comment {
  color: var(--dim);
}

/* Footer */

.site-footer {
  padding-block: 3.5rem 2rem;
  background: rgba(9, 5, 13, 0.55);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 2rem;
}

.footer-brand {
  margin-bottom: 0.9rem;
}

.footer-inner p {
  margin: 0;
  color: var(--dim);
  font-size: 0.85rem;
}

.footer-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.8rem 1.4rem;
  color: var(--dim);
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
}

.footer-meta a {
  color: var(--muted);
  text-decoration: none;
}

.footer-meta a:hover {
  color: var(--copper);
}

.footer-fine {
  margin-top: 2.5rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--line);
}

.footer-fine p {
  margin: 0;
  color: var(--dim);
  font-size: 0.72rem;
}

/* Motion */

@keyframes route-dash {
  to {
    stroke-dashoffset: -240;
  }
}

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

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  .route-dash {
    animation: none;
  }

  .packet {
    display: none;
  }
}

/* Responsive */

@media (min-width: 980px) {
  .hero {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    gap: clamp(2.5rem, 5vw, 5rem);
  }
}

@media (max-width: 979px) {
  .site-nav {
    gap: 1rem;
  }

  .hero-visual {
    max-width: 620px;
  }

  .split {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .split-body {
    padding-top: 0;
  }

  .section-head {
    grid-template-columns: 1fr;
    gap: 0.8rem;
  }

  .section-head .eyebrow {
    margin-top: 0;
  }
}

@media (max-width: 760px) {
  .shell {
    width: min(100% - 1.5rem, var(--max));
  }

  .header-inner {
    min-height: 64px;
  }

  .site-nav,
  .header-cta {
    display: none;
  }

  .brand {
    margin-inline: auto;
  }

  h1 {
    max-width: 100%;
  }

  .route-steps {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .step-index {
    margin-bottom: 1.1rem;
  }

  .hero-meta {
    gap: 0.5rem 0.85rem;
  }

  .route-field {
    flex-wrap: wrap;
  }

  .route-prefix {
    display: none;
  }

  .route-field input {
    flex-basis: 100%;
    padding: 0.85rem 0.75rem;
  }

  .route-field button {
    width: 100%;
  }

  .route-readout {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.3rem;
  }

  .route-readout code {
    max-width: 100%;
  }

  .ledger div {
    grid-template-columns: 1fr;
    gap: 0.25rem;
  }

  .footer-inner {
    flex-direction: column;
  }
}

@media (max-width: 420px) {
  .hero {
    padding-top: 3rem;
  }

  .example-note {
    display: block;
    margin-top: 0.3rem;
  }
}