:root {
  color-scheme: dark;
  --bg: #0a0a0a;
  --panel: #161616;
  --panel-2: #202020;
  --fg: #f4efe8;
  --muted: #a89e8f;
  --accent: #ff7a18;
  --accent-hover: #ff9542;
  --on-accent: #0a0a0a;
  --border: #34302a;
  --border-strong: #4b453b;
  --ok: #3ad07f;
  --warn: #f5b73c;
  --radius: 4px;
  --radius-sm: 3px;
  --w-site: 1080px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
}

html,
body {
  max-width: 100%;
}

html {
  overflow-x: clip;
}

body {
  display: flex;
  min-height: 100vh;
  flex-direction: column;
  margin: 0;
  overflow-x: clip;
  color: var(--fg);
  font: 15px/1.65 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background:
    radial-gradient(1100px 520px at 50% -240px, color-mix(in srgb, var(--accent) 9%, transparent) 0%, transparent 70%) no-repeat,
    var(--bg);
  background-attachment: fixed;
}

a {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}

a:visited {
  color: var(--accent);
}

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

.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 100;
  padding: 8px 12px;
  color: var(--on-accent);
  background: var(--accent);
  border-radius: var(--radius);
  transform: translateY(-150%);
}

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

header.site {
  position: sticky;
  top: 0;
  z-index: 10;
  width: 100%;
  flex: 0 0 auto;
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(9px);
}

header.site .bar {
  display: flex;
  width: 100%;
  max-width: none;
  align-items: center;
  gap: 18px;
  margin: 0;
  padding: 12px 24px;
  flex-wrap: wrap;
}

header.site .brandwrap {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

header.site .brand {
  color: var(--accent);
  font-size: 17px;
  font-weight: 800;
  letter-spacing: .3px;
}

header.site nav {
  display: flex;
  flex: 1;
  flex-wrap: wrap;
  gap: 4px;
}

header.site nav a {
  padding: 6px 11px;
  color: var(--muted);
  border-radius: var(--radius);
  font-size: 14px;
  text-decoration: none;
  white-space: nowrap;
}

header.site nav a:visited {
  color: var(--muted);
}

header.site nav a:hover {
  color: var(--accent);
  background: var(--panel);
}

header.site nav a.active {
  color: var(--accent);
  background: var(--panel-2);
}

header.site nav a.navright {
  margin-left: auto;
}

main {
  width: 100%;
  flex: 1 0 auto;
  max-width: var(--w-site);
  margin: 0 auto;
  padding: 32px 24px 12px;
}

section {
  scroll-margin-top: 94px;
}

h1 {
  max-width: 820px;
  margin: 0 0 12px;
  color: var(--accent);
  font-size: clamp(32px, 5.2vw, 52px);
  line-height: 1.08;
  letter-spacing: -.025em;
}

h2 {
  margin: 42px 0 10px;
  color: var(--accent);
  font-size: 20px;
}

h3 {
  margin: 16px 0 6px;
  color: var(--fg);
  font-size: 16px;
}

p {
  margin: 6px 0 0;
}

p.lead {
  max-width: 72ch;
  color: var(--muted);
  font-size: 17px;
}

.muted {
  color: var(--muted);
}

.hero {
  min-height: 360px;
  padding: 76px 0 54px;
}

.eyebrow,
.node-kicker,
.zone-label,
.intgroup {
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .65px;
  text-transform: uppercase;
}

.eyebrow {
  margin: 0 0 11px;
  color: var(--warn);
}

.btnrow {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 22px 0 0;
}

.btn {
  display: inline-block;
  padding: 10px 18px;
  color: var(--on-accent);
  background: var(--accent);
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  font-weight: 600;
  text-decoration: none;
}

.btn:visited {
  color: var(--on-accent);
}

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

.btn.ghost {
  color: var(--fg);
  background: transparent;
  border-color: var(--border-strong);
}

.btn.ghost:visited {
  color: var(--fg);
}

.btn.ghost:hover {
  color: var(--fg);
  background: var(--panel-2);
  border-color: var(--border-strong);
}

.note {
  margin: 14px 0;
  padding: 12px 16px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
}

.summary-note {
  display: flex;
  gap: 10px 18px;
  align-items: baseline;
  margin-top: 0;
}

.summary-note strong {
  flex: 0 0 auto;
  color: var(--fg);
}

.summary-note span {
  color: var(--muted);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 14px;
  margin: 18px 0;
}

.card {
  padding: 16px 18px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.card h3 {
  margin: 0 0 4px;
}

.card p,
.blurb {
  color: var(--muted);
  font-size: 13.5px;
}

.diagram-intro {
  margin-bottom: 16px;
  font-size: 13.5px;
}

.architecture-diagram {
  padding: 18px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.architecture-svg {
  display: block;
  width: 100%;
  height: auto;
  overflow: visible;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

.diagram-node {
  fill: var(--panel-2);
  stroke: var(--border-strong);
  stroke-width: 1;
  vector-effect: non-scaling-stroke;
}

.diagram-node-accent {
  stroke: var(--accent);
  stroke-width: 1.5;
}

.diagram-node-cloud {
  stroke: var(--ok);
  stroke-width: 1.5;
}

.diagram-node-agent {
  stroke: var(--warn);
  stroke-width: 1.5;
}

.diagram-node-optional {
  stroke: var(--accent);
  stroke-dasharray: 5 4;
}

.diagram-node-system {
  fill: color-mix(in srgb, var(--panel-2) 74%, var(--bg));
}

.diagram-zone {
  fill: color-mix(in srgb, var(--bg) 72%, transparent);
  stroke: var(--border-strong);
  stroke-width: 1;
  stroke-dasharray: 5 4;
  vector-effect: non-scaling-stroke;
}

.diagram-client-zone {
  stroke-dasharray: none;
}

.diagram-connection,
.diagram-branch {
  fill: none;
  stroke: var(--accent);
  stroke-width: 1.5;
  vector-effect: non-scaling-stroke;
}

.diagram-branch {
  stroke-width: 1.2;
}

.diagram-optional-connection {
  stroke-dasharray: 5 4;
}

.diagram-optional-ai .diagram-kicker {
  fill: var(--accent);
}

.diagram-arrowhead {
  fill: var(--accent);
}

.diagram-divider {
  stroke: var(--border-strong);
  stroke-width: 1;
  vector-effect: non-scaling-stroke;
}

.diagram-kicker,
.diagram-zone-label,
.diagram-line-label {
  fill: var(--muted);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .65px;
}

.diagram-zone-label {
  fill: var(--warn);
}

.diagram-title,
.diagram-system-title {
  fill: var(--fg);
  font-size: 17px;
  font-weight: 700;
}

.diagram-system-title {
  font-size: 13px;
}

.diagram-brand {
  fill: var(--accent);
  font-size: 30px;
  font-weight: 800;
}

.diagram-copy,
.diagram-line-note {
  fill: var(--muted);
  font-size: 13px;
}

.diagram-copy-small {
  font-size: 10px;
}

.diagram-line-note {
  font-size: 10px;
}

.diagram-badge {
  fill: var(--accent);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .5px;
}

.architecture-mobile {
  display: none;
}

.steps-grid {
  margin-top: 14px;
}

.step-card {
  position: relative;
  padding-left: 51px;
}

.step-number {
  position: absolute;
  top: 16px;
  left: 16px;
  display: grid;
  width: 24px;
  height: 24px;
  place-items: center;
  color: var(--on-accent);
  background: var(--accent);
  border-radius: 50%;
  font-size: 12px;
  font-weight: 800;
}

.compact-lead {
  margin-bottom: 16px;
}

.capability-note {
  display: flex;
  gap: 10px 18px;
  align-items: baseline;
}

.capability-note strong {
  flex: 0 0 auto;
  color: var(--fg);
}

.capability-note span {
  color: var(--muted);
}

.intgroup {
  margin: 20px 0 6px;
}

.intgrid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 10px;
  margin: 2px 0;
}

.intcard {
  padding: 11px 14px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.intcard b {
  color: var(--fg);
  font-size: 14px;
}

.blurb {
  margin-top: 2px;
}

.security-grid {
  grid-template-columns: repeat(3, 1fr);
}

.final-cta {
  display: flex;
  align-items: center;
  gap: 20px;
  justify-content: space-between;
  margin-top: 42px;
  padding: 18px 20px;
}

.final-cta h2 {
  margin: 0 0 3px;
}

.final-cta p {
  color: var(--muted);
}

.final-cta .btnrow {
  flex: 0 0 auto;
  margin: 0;
}

footer.site {
  display: flex;
  width: 100%;
  max-width: none;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  margin: auto 0 0;
  padding: 20px 24px 24px;
  color: var(--muted);
  border-top: 1px solid var(--border);
  font-size: 13px;
}

footer.site a,
footer.site a:visited {
  color: var(--muted);
}

footer.site .sp {
  flex: 1;
}

.legal-main {
  padding-top: 42px;
}

.legal-main h1 {
  max-width: none;
  margin-bottom: 20px;
  font-size: 30px;
  line-height: 1.2;
}

.legal-main h2 {
  margin-top: 32px;
  font-size: 18px;
}

.legal-main ul {
  padding-left: 24px;
}

.legal-main li {
  margin: 5px 0;
}

.legal-main .card,
.legal-main .note {
  margin: 14px 0;
}

.legal-main .cave {
  color: var(--muted);
  font-size: 12.5px;
}

@media (max-width: 760px) {
  html {
    scroll-padding-top: 148px;
  }

  header.site .bar {
    padding: 10px 14px;
  }

  header.site nav {
    width: 100%;
    flex-wrap: nowrap;
    padding-bottom: 3px;
    overflow-x: auto;
    scrollbar-width: thin;
  }

  header.site nav a {
    display: inline-flex;
    min-height: 40px;
    align-items: center;
    padding: 8px 9px;
  }

  header.site nav a.navright {
    margin-left: 0;
  }

  main {
    padding: 24px 14px 10px;
  }

  .hero {
    min-height: 0;
    padding: 46px 0 38px;
  }

  h1 {
    font-size: 34px;
  }

  h2 {
    margin-top: 36px;
    font-size: 18px;
  }

  .summary-note,
  .capability-note,
  .final-cta {
    align-items: flex-start;
    flex-direction: column;
  }

  .architecture-diagram {
    padding: 14px;
  }

  .architecture-svg {
    display: none;
  }

  .architecture-mobile {
    display: grid;
    max-width: 620px;
    margin: 0 auto;
  }

  .mobile-node {
    padding: 14px 16px;
    background: var(--panel-2);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius);
  }

  .mobile-node span,
  .mobile-private-zone > span {
    display: block;
    margin-bottom: 4px;
    color: var(--muted);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .6px;
    text-transform: uppercase;
  }

  .mobile-node strong,
  .mobile-node small {
    display: block;
  }

  .mobile-node strong {
    color: var(--fg);
    font-size: 15px;
  }

  .mobile-node small {
    margin-top: 3px;
    color: var(--muted);
    font-size: 12px;
  }

  .mobile-gateway {
    border-color: var(--accent);
    text-align: center;
  }

  .mobile-gateway strong {
    color: var(--accent);
    font-size: 22px;
  }

  .mobile-flow-arrow,
  .mobile-private-arrow {
    position: relative;
    width: 1px;
    height: 52px;
    margin: 0 auto;
    background: var(--accent);
  }

  .mobile-flow-arrow::after,
  .mobile-private-arrow::after {
    position: absolute;
    right: -4px;
    bottom: 0;
    width: 8px;
    height: 8px;
    content: "";
    border-right: 1px solid var(--accent);
    border-bottom: 1px solid var(--accent);
    transform: rotate(45deg);
  }

  .mobile-flow-both::before {
    position: absolute;
    top: 0;
    right: -4px;
    width: 8px;
    height: 8px;
    content: "";
    border-top: 1px solid var(--accent);
    border-left: 1px solid var(--accent);
    transform: rotate(45deg);
  }

  .mobile-flow-arrow span {
    position: absolute;
    top: 14px;
    left: 50%;
    width: max-content;
    max-width: calc(100vw - 64px);
    padding: 1px 6px;
    color: var(--muted);
    background: var(--panel);
    font-size: 10px;
    line-height: 1.3;
    text-align: center;
    transform: translateX(-50%);
    white-space: normal;
  }

  .mobile-outputs {
    position: relative;
    display: grid;
    grid-template-columns: 1fr;
    gap: 14px;
    padding-top: 30px;
    padding-left: 28px;
  }

  .mobile-outputs::before {
    position: absolute;
    top: 0;
    left: 14px;
    width: calc(50% - 14px);
    height: 24px;
    content: "";
    border-right: 1px solid var(--accent);
    border-bottom: 1px solid var(--accent);
  }

  .mobile-outputs::after {
    position: absolute;
    top: 24px;
    bottom: 24px;
    left: 14px;
    width: 1px;
    content: "";
    background: var(--accent);
  }

  .mobile-output {
    position: relative;
    min-width: 0;
    padding-top: 22px;
  }

  .mobile-output:last-child::after {
    position: absolute;
    z-index: 1;
    top: 38px;
    bottom: 0;
    left: -15px;
    width: 3px;
    content: "";
    background: var(--panel);
  }

  .mobile-output .mobile-flow-arrow {
    position: absolute;
    z-index: 2;
    top: 38px;
    left: -14px;
    width: 14px;
    height: 1px;
    margin: 0;
  }

  .mobile-output .mobile-flow-arrow::after {
    top: -4px;
    right: 0;
    bottom: auto;
    border-top: 0;
    border-right: 1px solid var(--accent);
    border-bottom: 1px solid var(--accent);
    transform: rotate(-45deg);
  }

  .mobile-output .mobile-flow-arrow span {
    top: -23px;
    left: 20px;
    max-width: calc(100vw - 96px);
    padding: 0;
    background: transparent;
    text-align: left;
    transform: none;
  }

  .mobile-output .mobile-flow-both::before,
  .mobile-output .mobile-agent-connection::before {
    position: absolute;
    top: -4px;
    right: auto;
    left: 0;
    width: 8px;
    height: 8px;
    content: "";
    border-top: 0;
    border-right: 1px solid var(--accent);
    border-bottom: 1px solid var(--accent);
    border-left: 0;
    transform: rotate(135deg);
  }

  .mobile-output .mobile-agent-connection::after {
    display: none;
  }

  .mobile-optional-ai {
    border-color: var(--accent);
    border-style: dashed;
  }

  .mobile-optional-ai span {
    color: var(--accent);
  }

  .mobile-cloud {
    border-left: 3px solid var(--ok);
  }

  .mobile-private-zone {
    padding: 14px;
    background: color-mix(in srgb, var(--bg) 72%, transparent);
    border: 1px dashed var(--border-strong);
    border-radius: var(--radius);
  }

  .mobile-private-zone > span {
    color: var(--warn);
  }

  .mobile-agent {
    border-left: 3px solid var(--warn);
  }

  .mobile-private-arrow {
    height: 38px;
  }

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

  .final-cta .btnrow {
    width: 100%;
  }

  footer.site {
    padding: 16px 14px 18px;
  }

  .legal-main {
    padding-top: 30px;
  }
}

@media (max-width: 420px) {
  h1 {
    font-size: 30px;
  }

  .grid,
  .intgrid {
    grid-template-columns: 1fr;
  }

  .btnrow,
  .btn {
    width: 100%;
  }

  .btn {
    text-align: center;
  }

  footer.site .sp {
    flex-basis: 100%;
  }
}

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