@font-face {
  font-family: BSSYekanBakh;
  src: url("/gas/assets/fonts/yekan-bakh-300.woff2") format("woff2");
  font-weight: 300;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: BSSYekanBakh;
  src: url("/gas/assets/fonts/yekan-bakh-400.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: BSSYekanBakh;
  src: url("/gas/assets/fonts/yekan-bakh-600.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: BSSYekanBakh;
  src: url("/gas/assets/fonts/yekan-bakh-700.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
:root {
  --ink: #152947;
  --muted: #6b7d96;
  --blue: #2864e9;
  --line: #e3eaf5;
  --surface: #f5f8fe;
  --radius: 20px;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
}
body {
  margin: 0;
  background: #fff;
  color: var(--ink);
  font-family: BSSYekanBakh, Tahoma, sans-serif;
  font-size: 16px;
  line-height: 1.9;
  -webkit-font-smoothing: antialiased;
}
button,
input,
select,
textarea {
  font: inherit;
}
button,
a {
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}
button {
  cursor: pointer;
}
button:disabled {
  opacity: 0.6;
  cursor: wait;
}
a {
  color: inherit;
  text-decoration: none;
}
h1,
h2,
h3,
p {
  margin: 0;
}
::selection {
  background: #d9e7ff;
}
a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 3px solid #7d98f5;
  outline-offset: 5px;
}
main > section,
.site-header,
.site-footer {
  padding-inline: max(5vw, calc((100vw - 1240px) / 2));
}
.skip-link {
  position: fixed;
  top: -100px;
  right: 20px;
  z-index: 100;
  background: #fff;
  padding: 12px;
  border-radius: 12px;
}
.skip-link:focus {
  top: 12px;
}
.site-header {
  height: 88px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-bottom: 1px solid var(--line);
  background: #ffffffee;
  position: relative;
  z-index: 5;
}
.wordmark {
  display: flex;
  align-items: center;
  gap: 11px;
  font-size: 25px;
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: -0.6px;
}
.wordmark small {
  font-size: 10px;
  display: block;
  color: var(--muted);
  font-weight: 400;
  letter-spacing: 0;
  margin-top: 3px;
}
.brand-symbol {
  display: grid;
  place-items: center;
  width: 45px;
  height: 47px;
  border-radius: 14px;
  color: #fff;
  background: linear-gradient(145deg, #5989ff, #275ee3);
  box-shadow: 0 5px 12px #326be62b;
}
.brand-symbol svg {
  width: 30px;
  height: 30px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linejoin: round;
}
.site-header nav {
  display: flex;
  gap: 34px;
  color: #566a85;
  font-size: 14px;
}
.site-header nav a:hover {
  color: var(--blue);
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  border: 1px solid transparent;
  min-height: 50px;
  padding: 12px 23px;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 600;
  transition:
    background 0.2s,
    box-shadow 0.2s,
    transform 0.2s;
}
.button span {
  font-size: 21px;
  font-family: Arial, sans-serif;
  line-height: 1;
}
.button-dark {
  background: var(--blue);
  color: white;
  box-shadow: 0 7px 18px #2864e923;
}
.button-dark:hover {
  background: #1a51ce;
  box-shadow: 0 9px 22px #2864e936;
  transform: translateY(-1px);
}
.button-light {
  color: #214ca8;
  background: #fff;
  box-shadow: 0 5px 12px #0616381a;
}
.text-link {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  font-size: 14px;
  color: #3f5c87;
  border: 1px solid #d9e4f6;
  border-radius: 12px;
  padding: 12px 22px;
  min-height: 50px;
  background: #ffffffc9;
}
.text-link:hover {
  border-color: #99b5f0;
  background: #fff;
}
body {
  background: #fbfcff;
}
:root {
  --blue: #4165ed;
  --ink: #182c50;
  --muted: #7183a0;
}
.site-header {
  background: #ffffffc9;
}
.brand-symbol {
  display: none;
}
#brand-logo .system-logo {
  width: 43px;
  height: 48px;
}
#brand-logo {
  display: flex;
}
.wordmark small {
  color: #8191ad;
}
.button-dark {
  background: #4165ed;
  box-shadow: 0 6px 20px #4165ed1a;
}
.hero {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: 60px;
  padding-top: 58px;
  padding-bottom: 55px;
  align-items: center;
  background: radial-gradient(ellipse at 0 20%, #eef1ff, transparent 66%);
  position: relative;
  isolation: isolate;
}
.hero-copy {
  text-align: right;
  min-width: 0;
}
.hero-badge {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  font-size: 11px;
  color: #617bb9;
  background: #edf1ff;
  border: 1px solid #dbe4ff;
  border-radius: 24px;
  padding: 5px 12px;
}
.hero-badge i {
  display: inline-block;
  width: 5px;
  height: 5px;
  background: currentColor;
  border-radius: 50%;
}
.hero-badge > span {
  display: none;
}
.hero h1 {
  font-size: clamp(42px, 4vw, 57px);
  line-height: 1.58;
  letter-spacing: -1.9px;
  font-weight: 700;
  margin: 21px 0;
}
.hero h1 > span {
  color: #4e6be7;
}
.hero-copy > p {
  font-size: 15px;
  color: #7184a4;
  line-height: 2.2;
  max-width: 455px;
}
.hero-actions {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-top: 28px;
  flex-wrap: wrap;
}
.hero-actions .button,
.hero-actions .text-link {
  font-size: 13px;
}
.text-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  border: 1px solid #dce5f5;
  border-radius: 11px;
  background: #fff;
  padding: 12px 20px;
  min-height: 50px;
  color: #657fa7;
  font-size: 13px;
}
.hero-foot {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 10px;
  color: #7186a5;
  margin-top: 27px;
}
.hero-foot > span {
  display: flex;
  align-items: center;
  gap: 7px;
}
.hero-foot > span + span {
  border-right: 1px solid #dbe4f4;
  padding-right: 19px;
}
.hero-foot b {
  font-size: 19px;
  color: #536c9a;
  font-weight: 600;
}
.hero-foot strong {
  font-weight: 400;
}
.hero-foot br {
  display: none;
}
.hero-visual {
  min-width: 0;
}
.network-caption {
  display: none;
}
.network-board {
  position: relative;
  background: #ffffffad;
  border: 1px solid #dce5f8;
  border-radius: 22px;
  box-shadow:
    0 18px 65px #4263b30c,
    0 0 0 7px #ffffffa8;
  overflow: hidden;
  scroll-margin-top: 30px;
}
.network-topbar {
  height: 39px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 0 19px;
  border-bottom: 1px solid #e9eefd;
  font-size: 9px;
  color: #7188ac;
}
.network-topbar > span {
  display: flex;
  align-items: center;
  gap: 7px;
}
.network-topbar > span:first-child > i {
  display: inline-block;
  width: 5px;
  height: 5px;
  background: #7896e5;
  border-radius: 50%;
}
.network-topbar b {
  font-weight: 400;
  color: #c0cbe0;
}
.network-mode i {
  display: inline-block;
  width: 4px;
  height: 4px;
  background: #a3b4cf;
  border-radius: 50%;
}
.network-stage {
  position: relative;
  isolation: isolate;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 133px minmax(0, 1fr);
  grid-template-areas: "source-one hub target-one" "source-two hub target-two" "source-three hub target-three";
  gap: 34px 28px;
  align-items: center;
  padding: 21px 17px;
  min-height: 349px;
  background-image: radial-gradient(#d6e0f066 0.8px, transparent 0.8px);
  background-size: 14px 14px;
}
.network-wires {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  pointer-events: none;
}
.network-wires path {
  fill: none;
  stroke: #b4c6ed;
  stroke-width: 1.4;
  stroke-dasharray: 4 4;
}
.network-hub {
  grid-area: hub;
  align-self: center;
  justify-self: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 7px;
  width: 133px;
  height: 165px;
  background: white;
  border: 1px solid #d4dff8;
  border-radius: 23px;
  box-shadow:
    0 14px 35px #4567b222,
    0 0 0 8px #f0f4ff;
}
.network-hub > .system-logo {
  width: 60px;
  height: 60px;
}
.network-hub > strong {
  font:
    700 27px Arial,
    sans-serif;
  letter-spacing: 1px;
  color: #3d5dd0;
}
.network-hub > b {
  font-size: 9px;
  color: #6d83aa;
  font-weight: 400;
}
.network-node {
  display: flex;
  align-items: center;
  text-align: right;
  gap: 9px;
  min-width: 0;
  position: relative;
  border: 1px solid #dce5f6;
  background: #fff;
  border-radius: 12px;
  padding: 12px 10px;
  color: #3f567d;
  box-shadow: 0 7px 19px #38589904;
  min-height: 67px;
  transition:
    border-color 0.18s,
    box-shadow 0.18s,
    transform 0.18s;
}
.network-node:hover {
  border-color: #94afe9;
  box-shadow: 0 8px 20px #38589910;
  transform: translateY(-1px);
}
.network-node[aria-pressed="true"] {
  border-color: #94afeb;
  box-shadow: 0 0 0 2px #eaf0ff;
}
.network-node .system-logo {
  width: 36px;
  height: 36px;
}
.network-node-copy {
  min-width: 0;
}
.network-node strong {
  display: block;
  font-size: 11px;
  font-weight: 600;
  line-height: 1.8;
}
.network-node small {
  display: block;
  font-size: 8px;
  color: #7589a9;
  line-height: 1.8;
  margin-top: 2px;
}
.network-status {
  position: absolute;
  top: 7px;
  left: 7px;
  width: 4px;
  height: 4px;
  background: #c6d2e7;
  border-radius: 50%;
  flex-shrink: 0;
}
.network-status.verified {
  background: #1fa77c;
  box-shadow: 0 0 0 2px #1fa77c13;
}
.network-status.failed {
  background: #cf8e4b;
}
.source-one {
  grid-area: source-one;
}
.source-two {
  grid-area: source-two;
}
.source-three {
  grid-area: source-three;
}
.target-one {
  grid-area: target-one;
}
.target-two {
  grid-area: target-two;
}
.target-three {
  grid-area: target-three;
}
.system-logo {
  display: inline-grid;
  place-items: center;
  flex-shrink: 0;
  width: 54px;
  height: 54px;
  background: transparent;
}
.system-logo svg {
  width: 100%;
  height: 100%;
  filter: drop-shadow(0 4px 7px #173b7410);
}
.network-detail {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 17px;
  border-top: 1px solid #e9eefd;
  background: #fff;
  min-height: 66px;
}
.network-detail > div {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}
.network-detail .system-logo {
  width: 29px;
  height: 29px;
}
.network-detail strong {
  font-size: 10px;
  color: #607ca7;
  font-weight: 600;
}
.network-detail p {
  font-size: 9px;
  line-height: 1.9;
  color: #7589a8;
}
.network-scope {
  font-size: 8px;
  color: #7089ac;
  background: #f0f4fc;
  padding: 4px 7px;
  border-radius: 6px;
  white-space: nowrap;
}
.network-legend {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 15px;
  padding: 11px 17px;
  border-top: 1px solid #e9eefd;
  background: #fcfdff;
  font-size: 8px;
  color: #6e83a9;
}
.network-legend > span {
  display: flex;
  align-items: center;
  gap: 6px;
}
.network-legend i {
  display: inline-block;
  width: 14px;
  border-bottom: 1px dashed #8ba5db;
  flex-shrink: 0;
}
.network-legend a {
  white-space: nowrap;
  color: #6280ba;
  display: flex;
  gap: 8px;
}
.systems-section {
  background: #fff;
  padding-block: 30px 26px;
  border-block: 1px solid #e8eef9;
}
.systems-section .section-heading {
  align-items: center;
  margin-bottom: 22px;
  gap: 25px;
}
.systems-section .section-heading h2 {
  font-size: 23px;
  letter-spacing: -0.3px;
  margin: 0;
  line-height: 1.8;
  font-weight: 600;
}
.systems-section .section-heading .eyebrow {
  display: none;
}
.systems-section .section-heading > p {
  font-size: 12px;
  max-width: 380px;
  color: #6c82a4;
  line-height: 1.9;
}
.system-cards {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 18px;
}
.system-card {
  padding: 17px 10px 12px;
  background: #fafbfe;
  border: 1px solid #e2e9f6;
  border-radius: 14px;
  text-align: center;
  min-width: 0;
  position: relative;
  scroll-margin-top: 25px;
  transition:
    border-color 0.2s,
    box-shadow 0.2s;
}
.system-card:hover {
  border-color: #b3c5eb;
  box-shadow: 0 9px 20px #4263b30a;
}
.system-card > .system-logo {
  width: 59px;
  height: 59px;
  margin-bottom: 9px;
}
.system-card h3 {
  font-size: 13px;
  font-weight: 600;
  color: #48608a;
  line-height: 1.8;
}
.system-card p {
  font-size: 10px;
  color: #6b81a1;
  line-height: 1.9;
  margin-top: 3px;
}
.card-scope {
  display: block;
  font-size: 8px;
  line-height: 1.7;
  color: #7689a6;
  min-height: 28px;
  margin-top: 7px;
}
.card-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid #e6edf9;
  gap: 4px;
  padding-top: 8px;
  margin-top: 8px;
}
.card-bottom a {
  font:
    17px Arial,
    sans-serif;
  color: #7190c5;
}
.connection {
  display: flex;
  align-items: center;
  gap: 4px;
  color: #7d90af;
  font-size: 8px;
}
.connection i {
  width: 4px;
  height: 4px;
  background: #bccce5;
  display: inline-block;
  border-radius: 50%;
  flex-shrink: 0;
}
.connection.verified {
  color: #198b6b;
}
.connection.verified i {
  background: #1ca376;
}
.connection.failed {
  color: #ae713b;
}
.connection.failed i {
  background: #ce8e4d;
}
.regional-note {
  font-size: 10px;
  color: #6c82a2;
  text-align: center;
  line-height: 2;
  margin-top: 18px;
}
.section-heading {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 50px;
  margin-bottom: 35px;
}
.eyebrow {
  font-size: 12px;
  color: var(--blue);
  font-weight: 600;
  display: block;
  letter-spacing: 0;
}
.section-heading .eyebrow:before {
  content: "";
  display: inline-block;
  width: 17px;
  height: 2px;
  vertical-align: middle;
  background: #84a8fb;
  margin-left: 9px;
}
.section-heading h2 {
  font-size: clamp(28px, 2.7vw, 39px);
  font-weight: 700;
  line-height: 1.7;
  letter-spacing: -0.8px;
  margin-top: 10px;
}
.section-heading > p {
  font-size: 14px;
  color: var(--muted);
  max-width: 360px;
  line-height: 2.05;
}
.journey-section {
  padding-block: 75px;
  background: #f6f8fd;
  border-block: 1px solid #eaf0fa;
}
.journey-tabs {
  display: inline-flex;
  padding: 5px;
  gap: 4px;
  border: 1px solid #e2e9f6;
  border-radius: 12px;
  background: #edf2fb;
  margin-bottom: 27px;
}
.journey-tabs button {
  padding: 10px 24px;
  background: transparent;
  color: #8193af;
  border: 0;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 400;
}
.journey-tabs button[aria-pressed="true"] {
  color: #2b64d7;
  background: #fff;
  font-weight: 600;
  box-shadow: 0 3px 9px #2854a610;
}
.journey-flow {
  display: grid;
  grid-template-columns: 1fr 42px 1fr 42px 1fr;
  align-items: stretch;
}
.journey-stage {
  padding: 26px;
  background: #fff;
  border: 1px solid #e0e8f5;
  border-radius: 17px;
  min-width: 0;
}
.center-stage {
  background: linear-gradient(140deg, #3f79f2, #2557d8);
  border-color: #3e74ec;
  color: #fff;
  box-shadow: 0 10px 28px #285dd91c;
}
.stage-logos {
  display: flex;
  gap: 7px;
}
.stage-logos .system-logo {
  width: 42px;
  height: 42px;
  border-radius: 11px;
}
.center-stage .system-logo {
  color: white;
  background: #ffffff20;
}
.stage-label {
  display: block;
  margin: 20px 0 6px;
  font-size: 11px;
  color: #92a3ba;
}
.center-stage .stage-label {
  color: #bed3ff;
}
.journey-stage h3 {
  font-size: 21px;
  font-weight: 600;
  letter-spacing: -0.4px;
}
.journey-stage p {
  font-size: 13px;
  line-height: 2;
  color: #7d90ab;
  margin-top: 12px;
}
.center-stage p {
  color: #d2e0ff;
}
.flow-arrow {
  align-self: center;
  justify-self: center;
  color: #94afd9;
  font:
    24px Arial,
    sans-serif;
}
.journey-note {
  display: flex;
  gap: 22px;
  align-items: flex-start;
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid #e0e8f5;
  font-size: 11px;
  color: #8a9bb4;
  line-height: 2;
}
.journey-note > span {
  color: #6280af;
  white-space: nowrap;
  font-weight: 600;
}
.evidence-section {
  background: #101f3a;
  position: relative;
  isolation: isolate;
  overflow: hidden;
  color: #fff;
  padding-block: 74px;
}
.evidence-section:before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 100% 0, #234c8b55, transparent 70%);
  z-index: -1;
  pointer-events: none;
}
.evidence-section .eyebrow {
  color: #91b5fd;
}
.evidence-section .section-heading h2 > span {
  color: #92b8ff;
}
.evidence-section .section-heading > p {
  color: #9cacc7;
}
.proof-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 25px;
  background: #1a2c4c;
  border: 1px solid #324668;
  border-radius: 16px;
  padding: 24px 27px;
}
.proof-toolbar strong {
  font-size: 14px;
  font-weight: 600;
}
.proof-toolbar p {
  color: #8da4c6;
  font-size: 12px;
  line-height: 1.8;
  margin-top: 8px;
}
.live-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  background: #8caff3;
  border-radius: 50%;
  box-shadow: 0 0 0 4px #8caff311;
  margin-left: 9px;
}
.proof-empty {
  padding-top: 25px;
  color: #879ab9;
  font-size: 12px;
}
.proof-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 15px;
  flex-wrap: wrap;
  font-size: 11px;
  color: #99afd1;
  padding-block: 24px;
}
.proof-meta code {
  display: inline-block;
  direction: ltr;
  overflow-wrap: anywhere;
  font-size: 10px;
}
.download-button {
  border: 0;
  background: transparent;
  color: #b5cdff;
  font: inherit;
  text-decoration: underline;
  text-underline-offset: 5px;
}
.proof-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 13px;
}
.proof-item {
  padding: 21px;
  border: 1px solid #304564;
  border-radius: 13px;
  background: #172945;
  min-width: 0;
}
.proof-item header {
  display: flex;
  align-items: center;
  gap: 11px;
  font-size: 13px;
}
.proof-item header b {
  font-weight: 600;
}
.proof-item .system-logo {
  width: 38px;
  height: 38px;
  border-radius: 10px;
}
.proof-item .status {
  display: block;
  font-size: 11px;
  color: #81d1bb;
  margin: 14px 0 7px;
}
.proof-item.failed .status {
  color: #e6b58f;
}
.proof-item .metric {
  font-size: 11px;
  color: #94adcd;
}
.proof-item .metric b {
  color: #edf4ff;
  font-size: 25px;
  font-weight: 600;
  margin-left: 7px;
}
.proof-item details {
  font-size: 10px;
  color: #8fa7ca;
  margin-top: 13px;
}
.proof-item summary {
  cursor: pointer;
}
.proof-item code {
  display: block;
  font: 10px/2 monospace;
  direction: ltr;
  overflow-wrap: anywhere;
  color: #a1b7db;
  margin-top: 8px;
}
.engine-result {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 35px;
  align-items: center;
  padding: 27px;
  margin-top: 20px;
  border: 1px solid #3b6091;
  background: linear-gradient(120deg, #20375b, #1c365c);
  border-radius: 14px;
}
.engine-result .eyebrow {
  font-size: 11px;
  color: #a3c1ed;
}
.engine-result h3 {
  font-size: 20px;
  line-height: 1.7;
  font-weight: 600;
  margin: 8px 0;
  color: #e7f1ff;
}
.engine-result > p {
  font-size: 12px;
  line-height: 2;
  color: #a1b8d9;
}
.engine-amounts {
  display: flex;
  flex-wrap: wrap;
  gap: 25px;
  margin-top: 15px;
}
.engine-amounts span {
  font-size: 11px;
  color: #9eb5d5;
}
.engine-amounts b {
  display: block;
  font-size: 25px;
  color: #f2f7ff;
  font-weight: 600;
  margin-top: 3px;
}
.engine-amounts small {
  font-size: 11px;
  font-weight: 400;
}
.proof-error {
  border: 1px solid #996f53;
  border-radius: 12px;
  padding: 17px;
  margin-top: 20px;
  color: #e5c2a5;
  font-size: 12px;
}
.closing {
  margin: 65px max(5vw, calc((100vw - 1240px) / 2));
  padding: 36px 42px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  border: 1px solid #dbe7fd;
  border-radius: 21px;
  background: linear-gradient(110deg, #edf4ff, #f8faff);
}
.closing h2 {
  font-size: 31px;
  line-height: 1.8;
  font-weight: 600;
  letter-spacing: -0.5px;
  margin: 7px 0;
}
.closing .eyebrow {
  font-size: 11px;
  color: #6284b8;
}
.closing p {
  font-size: 13px;
  color: #7f91ae;
}
.closing .button {
  flex-shrink: 0;
}
.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  border-top: 1px solid #e7edf7;
  padding-block: 25px;
  color: #7489a8;
  font-size: 12px;
}
.site-footer > span {
  white-space: nowrap;
  font-weight: 600;
}
.site-footer b {
  color: #b9c8dd;
  font-weight: 400;
}
.site-footer p {
  max-width: 550px;
  color: #9aa9bd;
  font-size: 10px;
}
.site-footer a {
  font-size: 11px;
  white-space: nowrap;
}
@media (min-width: 1600px) {
  .hero {
    gap: 80px;
    padding-top: 70px;
    padding-bottom: 65px;
  }
}
@media (max-width: 1150px) {
  .hero {
    gap: 32px;
    grid-template-columns: 0.9fr 1.1fr;
  }
  .hero h1 {
    font-size: 44px;
  }
  .hero-actions {
    gap: 9px;
  }
  .hero-actions .button,
  .hero-actions .text-link {
    font-size: 12px;
    padding-inline: 16px;
  }
  .hero-foot {
    gap: 12px;
  }
  .hero-foot > span + span {
    padding-right: 12px;
  }
  .network-stage {
    grid-template-columns: minmax(0, 1fr) 110px minmax(0, 1fr);
    gap: 30px 20px;
    padding: 20px 12px;
  }
  .network-hub {
    width: 110px;
    height: 150px;
    border-radius: 20px;
  }
  .network-hub > .system-logo {
    width: 50px;
    height: 50px;
  }
  .network-hub > strong {
    font-size: 25px;
  }
  .network-hub > b {
    font-size: 8px;
  }
  .network-node {
    padding: 12px 7px;
    gap: 7px;
  }
  .network-node .system-logo {
    width: 30px;
    height: 30px;
  }
  .network-node strong {
    font-size: 10px;
  }
  .network-node small {
    font-size: 8px;
  }
  .network-scope {
    display: none;
  }
  .system-cards {
    gap: 12px;
  }
  .system-card {
    padding-inline: 7px;
  }
  .system-card h3 {
    font-size: 12px;
  }
  .site-header nav {
    gap: 20px;
  }
  .site-header .button {
    font-size: 12px;
    padding-inline: 18px;
  }
  .section-heading > p {
    max-width: 310px;
  }
  .journey-stage {
    padding: 23px;
  }
}
@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 38px;
    padding-block: 36px 43px;
  }
  .hero-copy {
    text-align: center;
    max-width: 650px;
    margin-inline: auto;
  }
  .hero h1 {
    font-size: 48px;
    line-height: 1.6;
  }
  .hero-copy > p {
    max-width: none;
  }
  .hero-actions,
  .hero-foot {
    justify-content: center;
  }
  .hero-visual {
    max-width: 680px;
    width: 100%;
    justify-self: center;
  }
  .network-stage {
    grid-template-columns: minmax(0, 1fr) 133px minmax(0, 1fr);
    gap: 30px 35px;
    padding: 21px 25px;
  }
  .network-hub {
    width: 133px;
    height: 165px;
  }
  .network-hub > .system-logo {
    width: 60px;
    height: 60px;
  }
  .network-hub > b {
    font-size: 9px;
  }
  .network-node {
    padding: 12px;
    gap: 10px;
  }
  .network-node .system-logo {
    width: 39px;
    height: 39px;
  }
  .network-node strong {
    font-size: 12px;
  }
  .network-node small {
    font-size: 9px;
  }
  .network-scope {
    display: inline-block;
  }
  .network-detail strong {
    font-size: 11px;
  }
  .network-detail p {
    font-size: 10px;
  }
  .network-legend {
    font-size: 9px;
  }
  .system-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .system-card h3 {
    font-size: 14px;
  }
  .system-card p {
    font-size: 11px;
  }
  .card-scope {
    min-height: 0;
    font-size: 9px;
  }
  .connection {
    font-size: 10px;
  }
  .system-card {
    padding: 18px 15px 12px;
  }
  .site-header nav {
    font-size: 12px;
    gap: 16px;
  }
  .wordmark {
    font-size: 23px;
  }
  .section-heading h2 {
    font-size: 31px;
  }
  .section-heading > p {
    font-size: 13px;
    max-width: 280px;
  }
  .journey-flow {
    grid-template-columns: 1fr 25px 1fr 25px 1fr;
  }
  .journey-stage {
    padding: 20px;
  }
  .journey-stage h3 {
    font-size: 18px;
  }
  .closing {
    padding: 30px;
  }
  .closing h2 {
    font-size: 26px;
  }
}
@media (max-width: 650px) {
  html {
    scroll-padding-top: 25px;
  }
  .site-header {
    height: 78px;
    padding-inline: 5vw;
    gap: 14px;
  }
  .site-header nav {
    display: none;
  }
  .wordmark {
    font-size: 22px;
  }
  .wordmark small {
    font-size: 9px;
  }
  #brand-logo .system-logo {
    width: 36px;
    height: 41px;
  }
  .site-header .button {
    font-size: 11px;
    padding: 9px 15px;
    gap: 12px;
    min-height: 42px;
  }
  .hero {
    padding-top: 30px;
    padding-bottom: 35px;
    gap: 31px;
  }
  .hero-badge {
    font-size: 10px;
    padding: 4px 11px;
  }
  .hero h1 {
    font-size: clamp(34px, 9vw, 45px);
    line-height: 1.7;
    letter-spacing: -1.2px;
    margin: 18px 0;
  }
  .hero-copy > p {
    font-size: 14px;
    line-height: 2.1;
  }
  .hero-actions {
    gap: 9px;
    margin-top: 23px;
  }
  .hero-actions .button,
  .hero-actions .text-link {
    font-size: 11px;
    padding: 10px 13px;
    min-height: 45px;
    gap: 10px;
  }
  .hero-foot {
    gap: 12px;
    margin-top: 23px;
    font-size: 9px;
    flex-wrap: wrap;
  }
  .hero-foot b {
    font-size: 17px;
  }
  .hero-foot > span + span {
    padding-right: 12px;
  }
  .hero-foot > span:last-child {
    border: 0;
    padding: 0;
    justify-content: center;
    gap: 4px;
    flex-basis: 100%;
  }
  .network-board {
    border-radius: 17px;
    box-shadow:
      0 12px 30px #4263b310,
      0 0 0 4px #ffffffa8;
  }
  .network-topbar {
    height: 37px;
    font-size: 8px;
    padding-inline: 13px;
  }
  .network-stage {
    grid-template-columns: minmax(0, 1fr) 74px minmax(0, 1fr);
    grid-template-areas: "source-one hub target-one" "source-two hub target-two" "source-three hub target-three";
    gap: 21px 11px;
    padding: 16px 10px;
    min-height: 320px;
  }
  .network-node {
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 10px 4px;
    gap: 5px;
    min-height: 82px;
    border-radius: 10px;
  }
  .network-node .system-logo {
    width: 31px;
    height: 31px;
  }
  .network-node strong {
    font-size: 9px;
    line-height: 1.65;
  }
  .network-node small {
    font-size: 7px;
    line-height: 1.65;
    margin-top: 2px;
  }
  .network-status {
    top: 5px;
    left: 5px;
    width: 3px;
    height: 3px;
  }
  .network-hub {
    width: 74px;
    height: 119px;
    border-radius: 16px;
    box-shadow:
      0 9px 22px #4567b21c,
      0 0 0 5px #f0f4ff;
    gap: 6px;
    padding: 8px 3px;
  }
  .network-hub > .system-logo {
    width: 39px;
    height: 39px;
  }
  .network-hub > strong {
    font-size: 21px;
  }
  .network-hub > b {
    font-size: 7px;
    text-align: center;
    line-height: 1.7;
  }
  .network-wires {
    display: block;
  }
  .network-detail {
    padding: 12px;
    gap: 9px;
    display: block;
  }
  .network-detail > div {
    gap: 8px;
  }
  .network-detail .system-logo {
    width: 25px;
    height: 25px;
  }
  .network-detail strong {
    font-size: 10px;
  }
  .network-detail p {
    font-size: 9px;
    line-height: 1.9;
  }
  .network-scope {
    display: inline-block;
    margin-top: 8px;
    font-size: 8px;
  }
  .network-legend {
    padding: 10px 12px;
    font-size: 8px;
    display: block;
    line-height: 1.9;
  }
  .network-legend a {
    margin-top: 7px;
    font-size: 9px;
    justify-content: space-between;
  }
  .systems-section {
    padding-block: 25px;
  }
  .systems-section .section-heading {
    display: block;
    margin-bottom: 18px;
  }
  .systems-section .section-heading h2 {
    font-size: 23px;
    line-height: 1.8;
  }
  .systems-section .section-heading > p {
    max-width: 100%;
    font-size: 12px;
    margin-top: 9px;
  }
  .system-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }
  .system-card {
    padding: 17px 11px 12px;
  }
  .system-card > .system-logo {
    width: 54px;
    height: 54px;
  }
  .system-card h3 {
    font-size: 13px;
  }
  .system-card p {
    font-size: 10px;
  }
  .card-scope {
    font-size: 8px;
    min-height: 27px;
  }
  .connection {
    font-size: 9px;
  }
  .regional-note {
    font-size: 10px;
    text-align: right;
    margin-top: 17px;
  }
  .journey-section,
  .evidence-section {
    padding-block: 43px;
  }
  .section-heading {
    display: block;
    margin-bottom: 25px;
  }
  .section-heading > p {
    max-width: 100%;
    font-size: 13px;
    margin-top: 16px;
    line-height: 2.1;
  }
  .section-heading h2 {
    font-size: 29px;
    line-height: 1.7;
    letter-spacing: -0.6px;
  }
  .eyebrow {
    font-size: 11px;
  }
  .section-heading .eyebrow:before {
    width: 12px;
  }
  .journey-tabs {
    display: flex;
    max-width: 100%;
    margin-bottom: 21px;
  }
  .journey-tabs button {
    padding: 9px 14px;
    font-size: 12px;
    flex: 1;
  }
  .journey-flow {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .flow-arrow {
    transform: rotate(-90deg);
    font-size: 22px;
  }
  .journey-stage {
    padding: 23px;
  }
  .journey-stage h3 {
    font-size: 21px;
  }
  .journey-stage p {
    font-size: 13px;
  }
  .stage-label {
    margin-top: 15px;
    font-size: 11px;
  }
  .journey-note {
    display: block;
    font-size: 11px;
    padding-top: 17px;
    margin-top: 23px;
  }
  .journey-note p {
    margin-top: 7px;
  }
  .proof-toolbar {
    flex-direction: column;
    align-items: stretch;
    padding: 20px;
    gap: 17px;
  }
  .proof-toolbar strong {
    font-size: 13px;
    line-height: 2;
  }
  .proof-toolbar p {
    font-size: 11px;
    line-height: 2;
  }
  .proof-toolbar .button {
    align-self: flex-start;
    font-size: 12px;
    min-height: 44px;
    padding: 10px 17px;
  }
  .proof-empty {
    font-size: 11px;
    line-height: 2;
  }
  .proof-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .proof-item {
    padding: 18px;
  }
  .proof-item header {
    font-size: 13px;
  }
  .proof-item .status {
    font-size: 11px;
    margin-top: 12px;
  }
  .proof-meta {
    font-size: 10px;
    gap: 12px;
    align-items: flex-start;
  }
  .proof-meta > span:first-child {
    flex-basis: 100%;
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
  }
  .proof-meta code {
    font-size: 9px;
    word-break: break-all;
  }
  .proof-item details {
    font-size: 11px;
  }
  .engine-result {
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 22px;
  }
  .engine-result h3 {
    font-size: 20px;
  }
  .engine-result > p {
    font-size: 12px;
  }
  .engine-amounts {
    gap: 20px;
  }
  .engine-amounts b {
    font-size: 23px;
  }
  .engine-amounts span {
    font-size: 10px;
  }
  .closing {
    margin-block: 35px;
    align-items: flex-start;
    flex-direction: column;
    padding: 25px;
    gap: 23px;
    border-radius: 17px;
  }
  .closing h2 {
    font-size: 27px;
    line-height: 1.7;
  }
  .closing p {
    font-size: 12px;
    line-height: 2;
  }
  .closing .button {
    font-size: 12px;
    padding: 11px 19px;
  }
  .site-footer {
    padding-block: 23px;
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
    font-size: 12px;
  }
  .site-footer p {
    font-size: 10px;
    line-height: 2;
  }
  .site-footer a {
    font-size: 11px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *:before,
  *:after {
    transition: none !important;
  }
}