:root {
  --background: #0b0d12;
  --surface: #13161e;
  --surface-high: #1c2030;
  --blue: #4a9eff;
  --cyan: #10c8ff;
  --green: #3dffa0;
  --amber: #ffb83d;
  --text: #ffffff;
  --muted: #8a93a8;
  --divider: #252a38;
  --shell: 1180px;
  --radius: 24px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--background);
  color: var(--text);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background-image: linear-gradient(rgba(255, 255, 255, .018) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .018) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, black, transparent 65%);
}

a {
  color: inherit;
}

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

.shell {
  width: min(calc(100% - 40px), var(--shell));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  top: -80px;
  left: 20px;
  z-index: 100;
  background: var(--green);
  color: #07110d;
  padding: 10px 16px;
  border-radius: 8px;
  font-weight: 800;
}

.skip-link:focus {
  top: 12px;
}

.site-header {
  position: fixed;
  z-index: 50;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(11, 13, 18, .78);
  border-bottom: 1px solid rgba(255, 255, 255, .07);
  backdrop-filter: blur(18px);
}

.nav {
  height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: white;
  text-decoration: none;
  font-size: 18px;
  font-weight: 800;
}

.brand img {
  width: 34px;
  height: 38px;
  object-fit: contain;
}

.nav nav {
  display: flex;
  gap: 32px;
}

.nav nav a,
.footer-inner nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
  font-weight: 650;
  transition: color .2s ease;
}

.nav nav a:hover,
.footer-inner nav a:hover {
  color: white;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 50px;
  padding: 0 20px;
  border: 1px solid var(--divider);
  border-radius: 12px;
  color: white;
  font-weight: 750;
  text-decoration: none;
  transition: transform .2s ease, border-color .2s ease, background .2s ease;
}

.button:hover,
.app-store-button:hover {
  transform: translateY(-2px);
}

.button-small {
  min-height: 42px;
  color: #05111c;
  background: var(--blue);
  border-color: var(--blue);
}

.button-outline:hover {
  border-color: var(--blue);
  background: rgba(74, 158, 255, .08);
}

.hero {
  min-height: 830px;
  display: grid;
  grid-template-columns: 1.06fr .94fr;
  align-items: center;
  gap: 70px;
  padding-top: 126px;
  padding-bottom: 70px;
}

.hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 55vw;
  height: 720px;
  z-index: -1;
  background: radial-gradient(circle at 30% 20%, rgba(74, 158, 255, .15), transparent 56%);
}

.eyebrow,
.kicker {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--blue);
  font: 750 12px/1.2 ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.eyebrow {
  padding: 8px 12px;
  color: #c4fbe1;
  border: 1px solid rgba(61, 255, 160, .24);
  border-radius: 999px;
  background: rgba(61, 255, 160, .06);
  letter-spacing: .06em;
  text-transform: none;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 12px var(--green);
}

h1 {
  max-width: 720px;
  margin: 24px 0 22px;
  font-size: clamp(3.3rem, 6.1vw, 5.8rem);
  line-height: .98;
}

h1 span {
  display: block;
  background: linear-gradient(95deg, #c2e3ff, var(--blue) 42%, #45d9ff);
  background-clip: text;
  -webkit-background-clip: text;
  color: transparent;
}

.hero-lead {
  max-width: 660px;
  margin: 0;
  color: #d5d9e4;
  font-size: clamp(1.12rem, 2vw, 1.28rem);
  line-height: 1.55;
}

.hero-detail {
  margin: 15px 0 0;
  color: var(--muted);
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 26px;
  margin-top: 34px;
}

.app-store-button {
  display: inline-block;
  border-radius: 10px;
  text-decoration: none;
  transition: transform .2s ease, filter .2s ease;
  filter: drop-shadow(0 14px 20px rgba(0, 0, 0, .28));
}

.app-store-button:hover {
  filter: drop-shadow(0 16px 24px rgba(0, 0, 0, .36)) brightness(1.06);
}

.app-store-button:focus-visible {
  outline: 3px solid var(--blue);
  outline-offset: 5px;
}

.app-store-button img {
  width: 180px;
  height: auto;
}

.text-link {
  color: #d9e1ef;
  font-weight: 750;
  text-decoration: none;
}

.text-link span {
  color: var(--blue);
  margin-left: 7px;
}

.trust-list {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  margin: 32px 0 0;
  padding: 0;
  list-style: none;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.trust-list span {
  color: var(--green);
  margin-right: 5px;
}

.hero-visual {
  position: relative;
  min-height: 620px;
  display: grid;
  place-items: center;
  perspective: 1000px;
}

.hero-visual::before {
  content: "";
  position: absolute;
  width: 440px;
  height: 440px;
  border-radius: 50%;
  background: rgba(74, 158, 255, .16);
  filter: blur(80px);
}

.phone {
  position: relative;
  z-index: 3;
  width: 308px;
  height: 610px;
  padding: 10px;
  transform: rotate(2.5deg);
  background: linear-gradient(145deg, #575f71, #131722 25%, #05070b 76%, #555d6d);
  border: 1px solid #7b8392;
  border-radius: 52px;
  box-shadow: 0 54px 90px rgba(0, 0, 0, .56), -16px 0 70px rgba(24, 160, 255, .12), 16px 0 60px rgba(255, 160, 32, .08);
}

.phone-screen {
  position: relative;
  height: 100%;
  overflow: hidden;
  border-radius: 43px;
  background: radial-gradient(circle at 50% 42%, #123052, #09111e 56%, #06080d 85%);
  border: 1px solid rgba(255, 255, 255, .09);
}

.phone-screen::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: .24;
  background-image: linear-gradient(rgba(74, 158, 255, .25) 1px, transparent 1px), linear-gradient(90deg, rgba(74, 158, 255, .25) 1px, transparent 1px);
  background-size: 24px 24px;
  mask-image: radial-gradient(circle, black, transparent 72%);
}

.phone-top {
  position: absolute;
  z-index: 5;
  left: 50%;
  top: 18px;
  width: 96px;
  height: 25px;
  transform: translateX(-50%);
  border-radius: 20px;
  background: #020304;
}

.phone-top span {
  position: absolute;
  right: 13px;
  top: 9px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #19273a;
}

.tracking-label {
  position: absolute;
  z-index: 2;
  top: 45px;
  left: 50%;
  transform: translateX(-50%);
  color: var(--green);
  font: 700 9px/1 ui-monospace, monospace;
  letter-spacing: .18em;
  white-space: nowrap;
}

.tracking-label span {
  display: inline-block;
  width: 5px;
  height: 5px;
  margin-right: 6px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 9px var(--green);
}

.phone-screen img {
  position: absolute;
  z-index: 1;
  top: 100px;
  left: 50%;
  width: 255px;
  height: auto;
  transform: translateX(-50%);
  filter: drop-shadow(0 0 20px rgba(28, 168, 255, .23));
}

.axis-readout {
  position: absolute;
  z-index: 3;
  left: 20px;
  right: 20px;
  bottom: 61px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 7px;
}

.axis-readout div {
  padding: 9px 6px;
  text-align: center;
  background: rgba(12, 17, 27, .9);
  border: 1px solid #293245;
  border-radius: 9px;
}

.axis-readout span,
.axis-readout strong {
  display: block;
  font: 650 8px/1.2 ui-monospace, monospace;
}

.axis-readout span {
  color: var(--muted);
  margin-bottom: 5px;
}

.axis-readout strong {
  color: #d9e7f7;
  font-size: 10px;
}

.signal-bar {
  position: absolute;
  bottom: 26px;
  left: 50%;
  display: flex;
  align-items: end;
  gap: 4px;
  height: 15px;
  transform: translateX(-50%);
}

.signal-bar span {
  width: 3px;
  background: var(--green);
  box-shadow: 0 0 6px rgba(61, 255, 160, .5);
}

.signal-bar span:nth-child(1) {
  height: 4px;
}

.signal-bar span:nth-child(2) {
  height: 7px;
}

.signal-bar span:nth-child(3) {
  height: 10px;
}

.signal-bar span:nth-child(4) {
  height: 13px;
}

.signal-bar span:nth-child(5) {
  height: 15px;
}

.orbit {
  position: absolute;
  border: 1px solid rgba(74, 158, 255, .21);
  border-radius: 50%;
}

.orbit-one {
  width: 500px;
  height: 500px;
}

.orbit-two {
  width: 620px;
  height: 620px;
  border-style: dashed;
  opacity: .45;
}

.connection-pill {
  position: absolute;
  z-index: 5;
  right: -8px;
  top: 130px;
  padding: 11px 15px;
  color: #cfe3da;
  background: rgba(16, 20, 29, .9);
  border: 1px solid #2a3a38;
  border-radius: 11px;
  box-shadow: 0 18px 40px rgba(0, 0, 0, .25);
  font: 650 11px/1 ui-monospace, monospace;
}

.pulse {
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 6px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 10px var(--green);
}

.data-chip {
  position: absolute;
  z-index: 5;
  min-width: 90px;
  padding: 9px 12px;
  color: var(--muted);
  background: rgba(13, 17, 25, .9);
  border: 1px solid var(--divider);
  border-radius: 10px;
  font: 650 10px/1 ui-monospace, monospace;
}

.data-chip strong {
  color: white;
  margin-left: 10px;
}

.chip-a {
  left: 0;
  bottom: 175px;
}

.chip-b {
  right: 16px;
  bottom: 115px;
}

.signal-strip {
  border-block: 1px solid var(--divider);
  background: rgba(19, 22, 30, .62);
}

.signal-flow {
  min-height: 150px;
  display: grid;
  grid-template-columns: 1fr 1.15fr 1fr 1.15fr 1fr;
  align-items: center;
}

.signal-node {
  display: grid;
  grid-template-columns: 62px 1fr;
  grid-template-rows: auto auto;
  column-gap: 13px;
  align-items: center;
  width: 100%;
  min-height: 58px;
}

.node-icon {
  grid-row: 1 / 3;
  display: grid;
  place-items: center;
  width: 62px;
  height: 58px;
  color: #d5e9ff;
  background: linear-gradient(145deg, #26374d, #111720);
  border: 1px solid #385a7f;
  border-radius: 7px;
  font: 700 11px/1 ui-monospace, monospace;
}

.signal-node strong {
  align-self: end;
  font-size: 14px;
}

.signal-node small {
  align-self: start;
  color: var(--muted);
  font-size: 11px;
  white-space: nowrap;
}

.signal-line {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--blue), transparent);
}

.signal-line i {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 0 10px var(--blue);
}

.signal-line span {
  position: absolute;
  top: 12px;
  color: #71809b;
  font: 700 8px/1 ui-monospace, monospace;
  letter-spacing: .1em;
}

.section {
  padding-top: 130px;
  padding-bottom: 130px;
}

.section-tight {
  padding-top: 0;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 50px;
  margin-bottom: 50px;
}

.section-heading h2,
.feature-card h2,
.open-copy h2,
.requirements h2,
.final-inner h2 {
  margin: 12px 0 0;
  font-size: clamp(2.3rem, 4.3vw, 4.2rem);
  line-height: 1.06;
}

.section-heading p {
  max-width: 470px;
  margin: 0;
  color: var(--muted);
  font-size: 17px;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin: 0;
  padding: 0;
  overflow: hidden;
  list-style: none;
  border: 1px solid var(--divider);
  border-radius: var(--radius);
  background: var(--divider);
}

.steps li {
  position: relative;
  min-height: 300px;
  padding: 34px;
  background: var(--surface);
}

.steps li::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  transform: scaleX(0);
  transform-origin: left;
  background: var(--blue);
  transition: transform .3s ease;
}

.steps li:hover::after {
  transform: scaleX(1);
}

.step-number {
  color: #5f687b;
  font: 700 11px/1 ui-monospace, monospace;
  letter-spacing: .12em;
}

.step-icon {
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  margin: 38px 0 26px;
  color: var(--blue);
  background: rgba(74, 158, 255, .08);
  border: 1px solid rgba(74, 158, 255, .27);
  border-radius: 15px;
  font-size: 24px;
}

.steps h3,
.feature-card h3,
.sim-grid h3 {
  margin: 0 0 10px;
  font-size: 22px;
}

.steps p,
.feature-card p,
.sim-grid p {
  margin: 0;
  color: var(--muted);
}

.feature-grid {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  grid-template-rows: auto auto;
  gap: 18px;
}

.feature-card {
  position: relative;
  overflow: hidden;
  min-height: 260px;
  padding: 34px;
  background: linear-gradient(145deg, rgba(28, 32, 48, .88), rgba(16, 19, 27, .92));
  border: 1px solid var(--divider);
  border-radius: var(--radius);
}

.feature-main {
  grid-row: span 2;
  min-height: 600px;
}

.feature-main p {
  max-width: 400px;
  margin-top: 20px;
}

.feature-link,
.coming-soon {
  position: relative;
  z-index: 5;
  display: inline-block;
  margin-top: 20px;
  color: #8896aa;
  font: 750 10px/1.3 ui-monospace, monospace;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.feature-wide {
  grid-column: 1 / -1;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 30px;
}

.feature-wide div:first-child {
  max-width: 650px;
}

.feature-wide .coming-soon {
  flex: 0 0 auto;
}

.mini-icon {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  margin-bottom: 40px;
  border-radius: 12px;
  font: 800 18px/1 ui-monospace, monospace;
}

.mini-icon.blue {
  color: var(--blue);
  background: rgba(74, 158, 255, .1);
  border: 1px solid rgba(74, 158, 255, .28);
}

.mini-icon.green {
  color: var(--green);
  background: rgba(61, 255, 160, .08);
  border: 1px solid rgba(61, 255, 160, .22);
}

.mini-icon.amber {
  color: var(--amber);
  background: rgba(255, 184, 61, .08);
  border: 1px solid rgba(255, 184, 61, .22);
}

.axis-stage {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -62px;
  height: 390px;
  display: grid;
  place-items: center;
}

.axis-stage::before {
  content: "";
  position: absolute;
  width: 330px;
  height: 330px;
  border: 1px solid rgba(74, 158, 255, .24);
  border-radius: 50%;
  box-shadow: 0 0 80px rgba(74, 158, 255, .12) inset;
}

.axis-stage img {
  position: relative;
  z-index: 2;
  width: 245px;
  filter: drop-shadow(0 16px 38px rgba(0, 0, 0, .5));
}

.axis {
  position: absolute;
  z-index: 3;
  display: grid;
  place-items: center;
  width: 27px;
  height: 27px;
  border-radius: 50%;
  color: #06101b;
  background: var(--blue);
  font: 800 10px/1 monospace;
}

.axis-x {
  left: 13%;
  top: 49%;
}

.axis-y {
  left: 49%;
  top: 5%;
}

.axis-z {
  right: 11%;
  top: 47%;
  background: var(--amber);
}

.ring {
  position: absolute;
  border: 1px dashed rgba(74, 158, 255, .3);
  border-radius: 50%;
  transform: rotateX(70deg);
}

.ring-one {
  width: 420px;
  height: 180px;
}

.ring-two {
  width: 300px;
  height: 430px;
  transform: rotateY(68deg);
}

.sim-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.sim-grid article {
  position: relative;
  min-height: 250px;
  padding: 28px;
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--divider);
  border-radius: 18px;
  transition: transform .22s ease, border-color .22s ease, background .22s ease;
}

.sim-grid article::before {
  content: "";
  position: absolute;
  width: 170px;
  height: 170px;
  right: -90px;
  top: -90px;
  border-radius: 50%;
  background: var(--blue);
  opacity: .06;
  filter: blur(5px);
}

.sim-grid article:hover {
  transform: translateY(-4px);
  border-color: #3c5270;
  background: var(--surface-high);
}

.sim-type {
  display: inline-block;
  margin-bottom: 48px;
  color: var(--blue);
  font: 750 9px/1 ui-monospace, monospace;
  letter-spacing: .14em;
}

.amber-type {
  color: var(--amber);
}

.green-type {
  color: var(--green);
}

.sim-grid p {
  min-height: 54px;
  font-size: 14px;
}

.sim-grid b {
  display: block;
  margin-top: 24px;
  color: #6f788b;
  font: 700 9px/1 ui-monospace, monospace;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.compatibility-note {
  margin: 18px 0 0;
  color: #697286;
  font-size: 12px;
}

.opentrack-panel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 500px;
  overflow: hidden;
  background: linear-gradient(120deg, #10141d, #131a26);
  border: 1px solid var(--divider);
  border-radius: 30px;
}

.open-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 430px;
  border-right: 1px solid var(--divider);
  background: radial-gradient(circle at center, rgba(74, 158, 255, .12), transparent 60%);
}

.open-copy {
  padding: 70px 64px;
  align-self: center;
}

.open-copy p {
  color: var(--muted);
  margin: 25px 0 32px;
}

.open-phone {
  display: grid;
  place-items: center;
  width: 94px;
  height: 180px;
  border: 3px solid #5e687c;
  border-radius: 20px;
  color: var(--blue);
  background: #090c12;
  font: 800 19px/1 monospace;
  box-shadow: 0 25px 50px rgba(0, 0, 0, .35);
}

.open-phone span {
  position: absolute;
  margin-top: 145px;
  width: 25px;
  height: 3px;
  background: #41495a;
  border-radius: 4px;
}

.open-pc {
  display: grid;
  place-items: center;
  width: 160px;
  height: 105px;
  margin-left: 135px;
  background: #0c1018;
  border: 3px solid #5e687c;
  border-radius: 10px;
  box-shadow: 0 25px 50px rgba(0, 0, 0, .35);
}

.open-pc::after {
  content: "";
  position: absolute;
  width: 55px;
  height: 12px;
  margin-top: 118px;
  border-top: 3px solid #5e687c;
  border-bottom: 3px solid #5e687c;
}

.open-pc span {
  color: var(--green);
  font: 800 22px/1 monospace;
}

.open-pc small {
  margin-top: 8px;
  color: var(--muted);
  font: 650 9px/1 monospace;
}

.packet-line {
  position: absolute;
  display: flex;
  gap: 14px;
}

.packet-line::before {
  content: "";
  position: absolute;
  left: -105px;
  right: -105px;
  top: 3px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--blue), transparent);
}

.packet-line i {
  position: relative;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 0 10px var(--blue);
}

.requirements {
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  gap: 100px;
  align-items: start;
}

.requirements ul {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--divider);
}

.requirements li {
  display: grid;
  grid-template-columns: 55px 1fr;
  align-items: center;
  min-height: 95px;
  border-bottom: 1px solid var(--divider);
}

.requirements li>span {
  color: var(--blue);
  font: 700 10px/1 monospace;
}

.requirements li div {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 30px;
}

.requirements strong {
  font-size: 18px;
}

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

.faq {
  padding-top: 30px;
}

.faq-list {
  border-top: 1px solid var(--divider);
}

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

.faq summary {
  display: flex;
  justify-content: space-between;
  gap: 30px;
  padding: 25px 0;
  cursor: pointer;
  font-size: 18px;
  font-weight: 700;
  list-style: none;
}

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

.faq summary span {
  color: var(--blue);
  font-size: 22px;
  transition: transform .2s ease;
}

.faq details[open] summary span {
  transform: rotate(45deg);
}

.faq details p {
  max-width: 750px;
  margin: -5px 0 28px;
  color: var(--muted);
}

.final-cta {
  position: relative;
  overflow: hidden;
  border-block: 1px solid var(--divider);
  background: #0e121a;
}

.final-glow {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 650px;
  height: 400px;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(74, 158, 255, .16), transparent 66%);
}

.final-inner {
  position: relative;
  min-height: 410px;
  display: grid;
  grid-template-columns: 180px 1fr auto;
  gap: 50px;
  align-items: center;
}

.final-inner .app-art {
  filter: drop-shadow(0 24px 35px rgba(0, 0, 0, .4));
}

.final-inner p {
  margin: 18px 0 0;
  color: var(--muted);
}

footer {
  padding: 45px 0;
}

.legal-main {
  min-height: calc(100vh - 230px);
  padding-top: 158px;
  padding-bottom: 120px;
}

.legal-heading {
  max-width: 790px;
  margin-bottom: 70px;
}

.legal-heading h1 {
  margin: 18px 0 14px;
  font-size: clamp(3.4rem, 7vw, 6.3rem);
}

.legal-heading p {
  margin: 0;
  color: var(--muted);
  font-size: 18px;
}

.legal-layout {
  display: grid;
  grid-template-columns: 220px minmax(0, 760px);
  justify-content: space-between;
  gap: 80px;
  align-items: start;
}

.legal-aside {
  position: sticky;
  top: 112px;
  padding: 22px;
  background: rgba(19, 22, 30, .72);
  border: 1px solid var(--divider);
  border-radius: 16px;
}

.legal-aside>span {
  display: block;
  margin-bottom: 15px;
  color: #647086;
  font: 750 9px/1 ui-monospace, monospace;
  letter-spacing: .13em;
  text-transform: uppercase;
}

.legal-aside nav {
  display: grid;
  gap: 5px;
}

.legal-aside a {
  padding: 6px 0;
  color: var(--muted);
  font-size: 12px;
  font-weight: 650;
  line-height: 1.35;
  text-decoration: none;
  transition: color .2s ease;
}

.legal-aside a:hover {
  color: var(--blue);
}

.legal-document {
  overflow: hidden;
  background: linear-gradient(145deg, rgba(28, 32, 48, .72), rgba(16, 19, 27, .9));
  border: 1px solid var(--divider);
  border-radius: var(--radius);
}

.legal-document section {
  scroll-margin-top: 110px;
  padding: 36px 42px;
  border-bottom: 1px solid var(--divider);
}

.legal-document section:last-child {
  border-bottom: 0;
}

.legal-document h2 {
  margin: 0 0 16px;
  font-size: clamp(1.25rem, 2.4vw, 1.65rem);
  line-height: 1.25;
  letter-spacing: -.025em;
}

.legal-document p,
.legal-document address {
  margin: 0;
  color: #a7afbf;
  font-style: normal;
}

.legal-document address {
  margin-top: 14px;
}

.legal-document p+p {
  margin-top: 16px;
}

.legal-document address+p {
  margin-top: 16px;
}

.legal-document ul {
  display: grid;
  gap: 8px;
  margin: 14px 0 20px;
  padding: 0;
  color: #a7afbf;
  list-style: none;
}

.legal-document li {
  position: relative;
  padding-left: 19px;
}

.legal-document li::before {
  content: "";
  position: absolute;
  top: .7em;
  left: 0;
  width: 5px;
  height: 5px;
  background: var(--blue);
  border-radius: 50%;
  box-shadow: 0 0 8px rgba(74, 158, 255, .55);
}

.legal-document a {
  color: #8dc3ff;
  text-underline-offset: 3px;
}

.email-protected {
  display: inline-block;
  min-width: 18ch;
  color: #748096;
  font-style: italic;
}

.email-protected.is-revealed {
  color: inherit;
  font-style: normal;
}

.legal-document strong {
  color: var(--text);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: .04em;
}

.footer-inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 35px;
}

.footer-inner>p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.footer-inner nav {
  display: flex;
  gap: 22px;
}

.footer-inner .legal {
  grid-column: 1 / -1;
  padding-top: 25px;
  border-top: 1px solid var(--divider);
  color: #5f6778;
  font-size: 11px;
}

@media (max-width: 1040px) {
  .hero {
    grid-template-columns: 1fr .8fr;
    gap: 25px;
  }

  .hero-visual {
    transform: scale(.86);
    margin-inline: -35px;
  }

  .signal-flow {
    grid-template-columns: 1fr .7fr 1fr .7fr 1fr;
  }

  .signal-node {
    grid-template-columns: 1fr;
    text-align: center;
    justify-items: center;
  }

  .node-icon {
    grid-row: auto;
    margin-bottom: 10px;
  }

  .signal-node small {
    white-space: normal;
  }

  .feature-wide {
    align-items: start;
    flex-direction: column;
  }

  .sim-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .opentrack-panel {
    grid-template-columns: .9fr 1.1fr;
  }

  .open-pc {
    margin-left: 80px;
  }

  .open-copy {
    padding: 50px 40px;
  }

  .final-inner {
    grid-template-columns: 140px 1fr;
  }

  .final-inner .app-store-button {
    grid-column: 2;
    justify-self: start;
    margin-top: -25px;
  }
}

@media (max-width: 780px) {
  .shell {
    width: min(calc(100% - 32px), var(--shell));
  }

  .nav {
    height: 66px;
  }

  .nav nav {
    display: none;
  }

  .button-small {
    min-height: 38px;
    padding: 0 14px;
    font-size: 13px;
  }

  .hero {
    min-height: auto;
    grid-template-columns: 1fr;
    padding-top: 120px;
    padding-bottom: 40px;
  }

  .hero-copy {
    position: relative;
    z-index: 5;
  }

  .hero-visual {
    min-height: 570px;
    margin-top: 10px;
    transform: scale(.84);
  }

  .hero-actions {
    align-items: flex-start;
    flex-direction: column;
    gap: 18px;
  }

  .trust-list {
    gap: 12px 20px;
  }

  .signal-strip {
    padding: 35px 0;
  }

  .signal-flow {
    min-height: auto;
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .signal-node {
    grid-template-columns: 62px 1fr;
    grid-template-rows: auto auto;
    text-align: left;
    justify-items: start;
  }

  .node-icon {
    grid-row: 1 / 3;
    margin: 0;
  }

  .signal-line {
    width: 1px;
    height: 55px;
    margin-left: 30px;
    background: linear-gradient(transparent, var(--blue), transparent);
    flex-direction: column;
    gap: 7px;
  }

  .signal-line span {
    left: 15px;
    top: 22px;
    white-space: nowrap;
  }

  .section {
    padding-top: 90px;
    padding-bottom: 90px;
  }

  .section-tight {
    padding-top: 0;
  }

  .section-heading {
    align-items: start;
    flex-direction: column;
    gap: 22px;
  }

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

  .steps li {
    min-height: 260px;
  }

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

  .feature-main {
    grid-row: auto;
    min-height: 590px;
  }

  .feature-wide {
    min-height: 310px;
  }

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

  .sim-grid article {
    min-height: 230px;
  }

  .opentrack-panel {
    grid-template-columns: 1fr;
  }

  .open-visual {
    border-right: 0;
    border-bottom: 1px solid var(--divider);
  }

  .open-copy {
    padding: 42px 28px 48px;
  }

  .requirements {
    grid-template-columns: 1fr;
    gap: 45px;
  }

  .requirements li div {
    align-items: start;
    flex-direction: column;
    gap: 2px;
  }

  .final-inner {
    grid-template-columns: 90px 1fr;
    gap: 25px;
    padding-block: 70px;
  }

  .final-inner .app-store-button {
    grid-column: 1 / -1;
    margin-top: 5px;
  }

  .final-inner h2 {
    font-size: 2.25rem;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    justify-items: start;
  }

  .footer-inner nav {
    flex-wrap: wrap;
  }

  .footer-inner .legal {
    grid-column: 1;
  }

  .legal-main {
    padding-top: 120px;
    padding-bottom: 80px;
  }

  .legal-heading {
    margin-bottom: 42px;
  }

  .legal-layout {
    grid-template-columns: 1fr;
    gap: 22px;
  }

  .legal-aside {
    position: static;
  }

  .legal-aside nav {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 18px;
  }

  .legal-document section {
    padding: 28px 24px;
  }
}

@media (max-width: 430px) {
  h1 {
    font-size: 3rem;
  }

  .brand span {
    display: none;
  }

  .hero-visual {
    min-height: 520px;
    transform: scale(.72);
    margin-inline: -58px;
  }

  .hero-visual::before {
    width: 360px;
    height: 360px;
  }

  .connection-pill {
    right: -20px;
  }

  .feature-card {
    padding: 27px;
  }

  .axis-stage {
    transform: scale(.84);
  }

  .open-visual {
    min-height: 350px;
    transform: scale(.85);
    margin-inline: -30px;
  }

  .section-heading h2,
  .feature-card h2,
  .open-copy h2,
  .requirements h2 {
    font-size: 2.4rem;
  }

  .final-inner {
    grid-template-columns: 1fr;
  }

  .final-inner .app-art {
    width: 100px;
  }

  .final-inner .app-store-button {
    grid-column: 1;
  }

  .legal-heading h1 {
    font-size: 3rem;
  }

  .legal-aside nav {
    grid-template-columns: 1fr;
  }
}

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

  *,
  *::before,
  *::after {
    transition-duration: .01ms !important;
  }
}

@media print {

  .site-header,
  .hero-visual,
  .app-store-button,
  .final-cta {
    display: none;
  }

  body {
    color: black;
    background: white;
  }
}