:root {
  --ink: #f3efe6;
  --paper: #071014;
  --paper-deep: #04090b;
  --slate: #102027;
  --slate-light: #172c34;
  --line: rgba(243, 239, 230, 0.14);
  --line-strong: rgba(243, 239, 230, 0.28);
  --muted: #9eadb0;
  --fog: #718489;
  --amber: #f0b84b;
  --amber-soft: rgba(240, 184, 75, 0.1);
  --cyan: #67d5c5;
  --cyan-soft: rgba(103, 213, 197, 0.09);
  --rose: #cf7b89;
  --violet: #9b91d8;
  --max: 73rem;
  --read: 43rem;
  --radius: 0.9rem;
  --sans: "Segoe UI", Inter, system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --serif: Georgia, "Times New Roman", serif;
  --mono: "Cascadia Mono", "SFMono-Regular", Consolas, monospace;
}

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

html {
  color-scheme: dark;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-width: 20rem;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-color: var(--paper);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='72' height='72' viewBox='0 0 72 72'%3E%3Cpath d='M0 71.5H72M71.5 0V72' fill='none' stroke='%23f3efe6' stroke-opacity='.025'/%3E%3C/svg%3E");
}

a {
  color: inherit;
  text-decoration-color: rgba(103, 213, 197, 0.5);
  text-underline-offset: 0.22em;
}

a:hover {
  text-decoration-color: var(--cyan);
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 4px;
  border-radius: 0.25rem;
}

img,
svg {
  display: block;
  max-width: 100%;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  text-wrap: balance;
}

h1,
h2 {
  font-family: var(--serif);
  font-weight: 400;
  line-height: 1.04;
}

h1 {
  max-width: 12ch;
  margin-bottom: 1.4rem;
  font-size: clamp(3rem, 7vw, 5.9rem);
  letter-spacing: -0.055em;
}

h1 em {
  color: var(--amber);
  font-style: italic;
}

h2 {
  margin-bottom: 0.9rem;
  font-size: clamp(2rem, 4.2vw, 3.7rem);
  letter-spacing: -0.04em;
}

h3 {
  margin-bottom: 0.35rem;
  font-size: 1.08rem;
  line-height: 1.25;
}

p:last-child {
  margin-bottom: 0;
}

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

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 9999;
  padding: 0.65rem 0.9rem;
  translate: 0 -180%;
  background: var(--ink);
  color: var(--paper);
  font-weight: 700;
  text-decoration: none;
}

.skip-link:focus {
  translate: 0;
}

.tongue-ruler {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  height: 0.25rem;
}

.tongue-ruler span:nth-child(1) { background: var(--amber); }
.tongue-ruler span:nth-child(2) { background: var(--cyan); }
.tongue-ruler span:nth-child(3) { background: #7ba9cf; }
.tongue-ruler span:nth-child(4) { background: var(--violet); }
.tongue-ruler span:nth-child(5) { background: var(--rose); }
.tongue-ruler span:nth-child(6) { background: #d59b63; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(4, 9, 11, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.header-row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  min-height: 4.25rem;
  gap: 1.5rem;
}

.brand {
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-decoration: none;
  text-transform: uppercase;
  white-space: nowrap;
}

.brand-mark {
  color: var(--amber);
}

.site-nav {
  display: flex;
  justify-content: center;
  gap: 0.2rem;
}

.site-nav a {
  padding: 0.48rem 0.68rem;
  color: var(--muted);
  font-size: 0.88rem;
  text-decoration: none;
}

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

.header-action {
  display: inline-flex;
  align-items: center;
  min-height: 2.45rem;
  padding: 0.45rem 0.85rem;
  border: 1px solid rgba(240, 184, 75, 0.55);
  border-radius: 999px;
  color: var(--amber);
  font-size: 0.82rem;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
}

.header-action:hover {
  background: var(--amber-soft);
}

.hero {
  min-height: min(52rem, calc(100vh - 4.5rem));
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(21rem, 0.85fr);
  align-items: center;
  gap: clamp(3rem, 7vw, 7rem);
  padding-block: clamp(5rem, 10vw, 8.5rem);
}

.eyebrow {
  margin-bottom: 1rem;
  color: var(--cyan);
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.hero-copy > p:not(.eyebrow) {
  max-width: 39rem;
  color: var(--muted);
  font-size: clamp(1.05rem, 1.7vw, 1.25rem);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.65rem 1.1rem;
  border: 1px solid var(--line-strong);
  border-radius: 0.5rem;
  font-size: 0.9rem;
  font-weight: 700;
  text-decoration: none;
}

.button-primary {
  border-color: var(--amber);
  background: var(--amber);
  color: #171005;
}

.button-primary:hover {
  background: #ffd06e;
}

.button-secondary {
  background: transparent;
  color: var(--ink);
}

.button-secondary:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}

.truth-line {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem 1.25rem;
  margin: 2.25rem 0 0;
  padding: 1rem 0 0;
  border-top: 1px solid var(--line);
  color: var(--fog);
  font-family: var(--mono);
  font-size: 0.7rem;
  list-style: none;
}

.truth-line li::before {
  content: "";
  display: inline-block;
  width: 0.42rem;
  height: 0.42rem;
  margin-right: 0.5rem;
  border: 1px solid var(--cyan);
  border-radius: 50%;
}

.route-console {
  display: block;
  padding: 1.2rem;
  background: var(--paper-deep);
  border: 1px solid var(--line-strong);
  border-radius: 1.1rem;
  box-shadow: 1.25rem 1.25rem 0 var(--slate);
  color: var(--ink);
  text-decoration: none;
}

.route-console:hover {
  border-color: var(--cyan);
}

.console-head,
.console-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.console-head {
  padding-bottom: 0.9rem;
  border-bottom: 1px solid var(--line);
  color: var(--fog);
}

.console-status {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--cyan);
}

.console-status::before {
  content: "";
  width: 0.42rem;
  height: 0.42rem;
  background: var(--cyan);
  border-radius: 50%;
  box-shadow: 0 0 0 0.22rem var(--cyan-soft);
}

.route-field {
  position: relative;
  width: min(100%, 23rem);
  aspect-ratio: 1;
  margin: 1.5rem auto;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
}

.route-field::before,
.route-field::after {
  content: "";
  position: absolute;
  border: 1px solid var(--line);
  border-radius: 50%;
  inset: 14%;
}

.route-field::after {
  inset: 30%;
  border-style: dashed;
}

.axis-x,
.axis-y {
  position: absolute;
  z-index: 0;
  background: var(--line);
}

.axis-x {
  top: 50%;
  right: 5%;
  left: 5%;
  height: 1px;
}

.axis-y {
  top: 5%;
  bottom: 5%;
  left: 50%;
  width: 1px;
}

.route-core,
.route-node {
  position: absolute;
  z-index: 2;
  display: grid;
  place-items: center;
  border-radius: 50%;
  font-family: var(--mono);
  font-weight: 700;
  text-align: center;
  text-transform: uppercase;
}

.route-core {
  inset: 38%;
  background: var(--amber);
  color: #171005;
  font-size: clamp(0.62rem, 1.6vw, 0.78rem);
  letter-spacing: 0.06em;
  box-shadow: 0 0 0 0.55rem var(--amber-soft);
}

.route-node {
  width: 4.1rem;
  height: 4.1rem;
  border: 1px solid var(--line-strong);
  background: var(--slate);
  color: var(--muted);
  font-size: 0.58rem;
  letter-spacing: 0.08em;
}

.node-shop { top: -0.4rem; left: calc(50% - 2.05rem); color: var(--amber); }
.node-build { top: calc(50% - 2.05rem); right: -0.4rem; color: var(--cyan); }
.node-proof { bottom: -0.4rem; left: calc(50% - 2.05rem); color: #a8bad7; }
.node-learn { top: calc(50% - 2.05rem); left: -0.4rem; color: #c6addd; }

.console-foot {
  padding-top: 0.95rem;
  border-top: 1px solid var(--line);
  color: var(--amber);
}

.section {
  padding-block: clamp(4.5rem, 9vw, 7.5rem);
  border-top: 1px solid var(--line);
}

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(16rem, 30rem);
  align-items: end;
  gap: 2rem;
  margin-bottom: 3rem;
}

.section-head h2 {
  max-width: 12ch;
  margin-bottom: 0;
}

.section-head > p {
  color: var(--muted);
}

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

.route-row {
  display: grid;
  grid-template-columns: 5rem minmax(0, 1fr) auto;
  align-items: center;
  gap: 1.5rem;
  padding: 1.45rem 0.4rem;
  border-bottom: 1px solid var(--line);
  color: inherit;
  text-decoration: none;
}

.route-row:hover {
  background: var(--cyan-soft);
}

.route-index {
  color: var(--fog);
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.route-row p {
  max-width: 42rem;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.route-go {
  color: var(--cyan);
  font-family: var(--mono);
  font-size: 0.75rem;
  white-space: nowrap;
}

.commercial {
  background: var(--paper-deep);
}

.offer-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}

.offer {
  display: flex;
  min-height: 25rem;
  flex-direction: column;
  padding: 2rem;
  border-right: 1px solid var(--line);
}

.offer:last-child {
  border-right: 0;
}

.offer-kind {
  color: var(--fog);
  font-family: var(--mono);
  font-size: 0.67rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.offer h3 {
  margin-top: 3.2rem;
  font-family: var(--serif);
  font-size: 1.75rem;
  font-weight: 400;
}

.offer p {
  color: var(--muted);
  font-size: 0.92rem;
}

.offer-price {
  margin-top: 0.5rem;
  color: var(--amber);
  font-family: var(--mono);
  font-size: 1.45rem;
}

.offer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem 1.1rem;
  margin-top: auto;
  padding-top: 2rem;
  font-size: 0.82rem;
  font-weight: 700;
}

.offer-links a:first-child {
  color: var(--cyan);
}

.products {
  background: linear-gradient(180deg, var(--paper) 0%, #09171b 100%);
}

.product-showcase {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 1rem;
}

.product-stage {
  position: relative;
  min-width: 0;
  overflow: hidden;
  padding: clamp(1.35rem, 3vw, 2rem);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--paper-deep);
}

.product-stage h3 {
  margin-top: 1.4rem;
  font-family: var(--serif);
  font-size: clamp(1.55rem, 3vw, 2.3rem);
  font-weight: 400;
  letter-spacing: -0.025em;
}

.product-stage p {
  color: var(--muted);
  font-size: 0.9rem;
}

.product-state {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--cyan);
  font-family: var(--mono);
  font-size: 0.64rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.product-state::before {
  content: "";
  width: 0.42rem;
  height: 0.42rem;
  flex: 0 0 auto;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 0 0.22rem var(--cyan-soft);
}

.product-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem 1.1rem;
  margin-top: 1.4rem;
}

.product-actions a {
  color: var(--cyan);
  font-size: 0.78rem;
  font-weight: 700;
}

.product-actions a + a {
  color: var(--muted);
}

.product-browser {
  grid-column: span 8;
  display: grid;
  grid-template-columns: minmax(15rem, 0.8fr) minmax(18rem, 1.2fr);
  gap: 2rem;
  min-height: 25rem;
  align-items: center;
  border-color: rgba(103, 213, 197, 0.42);
}

.browser-preview {
  min-width: 0;
  padding: 0.55rem;
  border: 1px solid rgba(103, 213, 197, 0.38);
  border-radius: 0.7rem;
  background: #050a0c;
  box-shadow: 1rem 1rem 0 rgba(103, 213, 197, 0.08);
}

.browser-bar {
  display: grid;
  grid-template-columns: repeat(3, 0.42rem) 1fr;
  align-items: center;
  gap: 0.3rem;
  padding: 0.4rem;
  border-bottom: 1px solid var(--line);
}

.browser-bar span {
  width: 0.42rem;
  height: 0.42rem;
  border-radius: 50%;
  background: var(--fog);
}

.browser-bar span:nth-child(2) { background: var(--amber); }
.browser-bar span:nth-child(3) { background: var(--cyan); }

.browser-bar b {
  min-width: 0;
  margin-left: 0.35rem;
  overflow: hidden;
  color: var(--fog);
  font-family: var(--mono);
  font-size: 0.57rem;
  font-weight: 400;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.browser-body {
  display: grid;
  grid-template-columns: 1fr 0.72fr;
  min-height: 14rem;
}

.browser-page {
  display: grid;
  align-content: center;
  gap: 0.7rem;
  padding: 1rem;
  border-right: 1px solid var(--line);
  background: linear-gradient(135deg, rgba(155, 145, 216, 0.08), transparent 55%);
}

.browser-page i {
  display: block;
  height: 0.5rem;
  border-radius: 999px;
  background: var(--line-strong);
}

.browser-page i:nth-child(1) { width: 58%; background: var(--violet); }
.browser-page i:nth-child(2) { width: 88%; }
.browser-page i:nth-child(3) { width: 72%; }
.browser-page i:nth-child(4) { width: 45%; background: rgba(240, 184, 75, 0.55); }

.browser-guard {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.65rem;
  padding: 1rem;
  background: var(--cyan-soft);
}

.browser-guard span,
.browser-guard small {
  color: var(--fog);
  font-family: var(--mono);
  font-size: 0.55rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.browser-guard strong {
  color: var(--cyan);
  font-size: 0.9rem;
  line-height: 1.3;
}

.product-desk {
  grid-column: span 4;
  display: flex;
  min-height: 25rem;
  flex-direction: column;
  background: var(--slate);
}

.product-desk .product-actions,
.product-verifier .product-actions {
  margin-top: auto;
  padding-top: 1rem;
}

.desk-preview {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.55rem;
  margin: 1.4rem 0 0;
  padding: 0.8rem;
  border: 1px solid var(--line);
  background: var(--paper-deep);
}

.desk-preview span {
  min-height: 3.8rem;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.62rem;
}

.desk-preview span:first-child {
  border-color: rgba(240, 184, 75, 0.55);
  color: var(--amber);
}

.product-bus {
  grid-column: span 5;
  display: grid;
  align-content: space-between;
  min-height: 21rem;
  background: linear-gradient(145deg, var(--paper-deep), rgba(155, 145, 216, 0.1));
}

.bus-preview {
  display: grid;
  grid-template-columns: auto 1fr auto 1fr auto 1fr auto;
  align-items: center;
  gap: 0.35rem;
  margin-top: 2rem;
}

.bus-preview span {
  padding: 0.45rem 0.35rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.5rem;
  text-align: center;
}

.bus-preview span:last-child {
  border-color: rgba(240, 184, 75, 0.6);
  color: var(--amber);
}

.bus-preview i {
  height: 1px;
  background: var(--violet);
}

.product-sdk {
  grid-column: span 3;
  min-height: 21rem;
}

.sdk-preview {
  display: grid;
  gap: 0.5rem;
  margin-top: 1.25rem;
}

.sdk-preview code {
  padding: 0.75rem;
  border-left: 2px solid var(--amber);
  background: var(--slate);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.62rem;
  line-height: 1.45;
}

.product-verifier {
  grid-column: span 4;
  display: flex;
  min-height: 21rem;
  flex-direction: column;
  border-style: dashed;
}

.verify-preview {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.45rem;
  margin-top: 1.2rem;
  font-family: var(--mono);
  font-size: 0.58rem;
  text-align: center;
}

.verify-preview span,
.verify-preview strong,
.verify-preview b {
  padding: 0.48rem;
  border: 1px solid var(--line);
}

.verify-preview strong,
.verify-preview b {
  grid-column: 1 / -1;
}

.verify-preview strong {
  color: var(--cyan);
}

.verify-preview b {
  border-color: rgba(240, 184, 75, 0.5);
  color: var(--amber);
  font-weight: 600;
}

.product-boundary {
  max-width: 58rem;
  margin: 1.5rem 0 0;
  padding-left: 1rem;
  border-left: 2px solid var(--amber);
  color: var(--fog);
  font-size: 0.78rem;
}

.product-boundary strong {
  color: var(--ink);
}

.evidence-layout {
  display: grid;
  grid-template-columns: minmax(16rem, 0.75fr) minmax(0, 1.25fr);
  gap: clamp(3rem, 8vw, 7rem);
  align-items: start;
}

.evidence-intro {
  position: sticky;
  top: 7rem;
}

.evidence-intro p:not(.eyebrow) {
  color: var(--muted);
}

.evidence-list {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line-strong);
  list-style: none;
}

.evidence-list a {
  display: grid;
  grid-template-columns: 3.25rem minmax(0, 1fr) auto;
  align-items: center;
  gap: 1rem;
  padding: 1.35rem 0;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
}

.evidence-list a:hover .evidence-name {
  color: var(--cyan);
}

.evidence-code {
  color: var(--fog);
  font-family: var(--mono);
  font-size: 0.7rem;
}

.evidence-name {
  display: block;
  margin-bottom: 0.15rem;
  font-weight: 700;
}

.evidence-note {
  display: block;
  color: var(--muted);
  font-size: 0.82rem;
}

.evidence-arrow {
  color: var(--amber);
}

.directory {
  background: var(--slate);
}

.directory-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(2rem, 5vw, 5rem);
}

.directory-group h3 {
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--line-strong);
  color: var(--amber);
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.directory-group ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.directory-group li {
  border-bottom: 1px solid var(--line);
}

.directory-group a {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 0;
  color: var(--muted);
  font-size: 0.9rem;
  text-decoration: none;
}

.directory-group a::after {
  content: "+";
  color: var(--fog);
  font-family: var(--mono);
}

.directory-group a:hover {
  color: var(--ink);
}

.closing {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 3rem;
  padding-block: clamp(4.5rem, 10vw, 8rem);
}

.closing h2 {
  max-width: 13ch;
}

.closing p {
  max-width: var(--read);
  color: var(--muted);
}

.closing-code {
  width: 9.5rem;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  border: 1px solid var(--amber);
  border-radius: 50%;
  color: var(--amber);
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-align: center;
  text-transform: uppercase;
  box-shadow: inset 0 0 0 1.2rem var(--amber-soft);
}

.faq {
  padding-bottom: 5rem;
}

.faq h2 {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
}

.faq-list {
  max-width: 49rem;
  border-top: 1px solid var(--line-strong);
}

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

.faq summary {
  padding: 1.15rem 0;
  cursor: pointer;
  font-weight: 700;
}

.faq details p {
  max-width: 44rem;
  padding: 0 0 1.25rem;
  color: var(--muted);
}

.site-footer {
  padding-block: 2.5rem 6rem;
  background: var(--paper-deep);
  border-top: 1px solid var(--line);
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 2rem;
}

.footer-title {
  margin-bottom: 0.45rem;
  font-family: var(--serif);
  font-size: 1.35rem;
}

.footer-copy {
  max-width: 38rem;
  color: var(--fog);
  font-size: 0.8rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.55rem 1rem;
  max-width: 30rem;
}

.footer-links a {
  color: var(--muted);
  font-size: 0.78rem;
}

@media (max-width: 900px) {
  .header-row {
    grid-template-columns: 1fr auto;
    gap: 0.75rem;
  }

  .site-nav {
    grid-column: 1 / -1;
    grid-row: 2;
    justify-content: flex-start;
    min-width: 0;
    width: 100%;
    margin-inline: 0;
    padding: 0 0 0.65rem;
    overflow-x: auto;
    scrollbar-width: none;
  }

  .site-nav::-webkit-scrollbar {
    display: none;
  }

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

  .hero {
    grid-template-columns: 1fr;
    min-height: 0;
  }

  .route-console {
    width: min(100%, 32rem);
    margin-inline: auto;
  }

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

  .product-browser,
  .product-desk,
  .product-bus,
  .product-sdk,
  .product-verifier {
    grid-column: span 6;
  }

  .product-browser {
    grid-column: 1 / -1;
  }

  .offer {
    min-height: 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .offer:last-child {
    border-bottom: 0;
  }

  .offer h3 {
    margin-top: 1.8rem;
  }

  .evidence-layout {
    grid-template-columns: 1fr;
  }

  .evidence-intro {
    position: static;
  }
}

@media (max-width: 680px) {
  .wrap {
    width: min(calc(100% - 2rem), var(--max));
  }

  .header-row {
    min-height: 3.9rem;
  }

  .site-nav {
    flex-wrap: wrap;
    overflow-x: visible;
    padding-bottom: 0.55rem;
  }

  .site-nav a {
    padding: 0.4rem 0.55rem;
    font-size: 0.8rem;
  }

  .brand {
    font-size: 0.7rem;
  }

  .header-action {
    min-height: 2.25rem;
    font-size: 0.75rem;
  }

  .hero {
    gap: 4rem;
    padding-block: 4.5rem 5.5rem;
  }

  h1 {
    font-size: clamp(2.9rem, 15vw, 4.4rem);
  }

  .route-console {
    box-shadow: 0.75rem 0.75rem 0 var(--slate);
  }

  .route-node {
    width: 3.6rem;
    height: 3.6rem;
    font-size: 0.52rem;
  }

  .node-shop { left: calc(50% - 1.8rem); }
  .node-build { top: calc(50% - 1.8rem); }
  .node-proof { left: calc(50% - 1.8rem); }
  .node-learn { top: calc(50% - 1.8rem); }

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

  .route-row {
    grid-template-columns: 2.5rem 1fr;
    gap: 0.8rem;
  }

  .route-go {
    grid-column: 2;
  }

  .offer {
    padding: 1.5rem 0.25rem;
  }

  .product-showcase {
    grid-template-columns: 1fr;
  }

  .product-browser,
  .product-desk,
  .product-bus,
  .product-sdk,
  .product-verifier {
    grid-column: 1;
    min-height: 0;
  }

  .product-browser {
    grid-template-columns: 1fr;
  }

  .browser-preview {
    margin: 0.5rem 0.55rem 0 0;
  }

  .evidence-list a {
    grid-template-columns: 2.4rem 1fr;
  }

  .evidence-arrow {
    display: none;
  }

  .directory-grid,
  .closing,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .closing-code {
    width: 7.5rem;
    grid-row: 1;
  }

  .footer-links {
    justify-content: flex-start;
  }
}

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

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