:root {
  --paper: #101114;
  --panel: #191b20;
  --ink: #f4f2ec;
  --muted: #b1b2b9;
  --red: #ff493f;
  --rule: #35373e;
  --green: #b6d8a1;
  --mono: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
  --sans: Arial, Helvetica, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 28px;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

a:focus-visible, [tabindex]:focus-visible {
  outline: 3px solid var(--red);
  outline-offset: 5px;
}

svg {
  display: block;
}

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

h1, h2, h3 {
  font-weight: 700;
}

section {
  scroll-margin-top: 28px;
}

.skip-link {
  position: fixed;
  left: 16px;
  top: 12px;
  z-index: 10;
  padding: 12px;
  background: var(--ink);
  color: var(--paper);
  transform: translateY(-160%);
}

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

.site-header, .hero, .system-section, .telemetry-section, .transponder-section, .terminal-section, .principle-section, .features-section, .roadmap-section, .site-footer {
  width: min(100% - 96px, 1248px);
  margin-inline: auto;
}

.site-header {
  min-height: 96px;
  border-bottom: 1px solid var(--rule);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 25px;
  font-weight: 900;
  font-style: italic;
  letter-spacing: -1.3px;
}

.brand svg {
  width: 36px;
  fill: var(--red);
}

.brand-period {
  color: var(--red);
}

.site-header nav {
  display: flex;
  align-items: center;
  gap: 30px;
  font-size: 12px;
  color: #d0d0d5;
}

.site-header nav a {
  padding: 12px 0;
}

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

.text-link:hover, figcaption a:hover, .site-footer>a:last-child:hover {
  text-decoration: underline;
  text-underline-offset: 5px;
}

.hero {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 76px;
  align-items: end;
  padding-block: 66px 54px;
}

.eyebrow {
  display: flex;
  gap: 10px;
  align-items: center;
  color: var(--muted);
  font: 10px/1.6 var(--mono);
  text-transform: uppercase;
  letter-spacing: 1.5px;
}

.small-line {
  width: 24px;
  height: 3px;
  flex-shrink: 0;
  background: var(--red);
}

.hero h1 {
  font-size: clamp(48px, 5.1vw, 68px);
  line-height: .99;
  letter-spacing: -3px;
  font-weight: 900;
  margin-block: 25px 27px;
}

.hero h1>span {
  color: var(--red);
  font-style: italic;
}

.hero-description {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.7;
  max-width: 560px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 27px;
  margin-top: 29px;
}

.button {
  display: inline-flex;
  align-items: center;
  gap: 28px;
  padding: 16px 20px;
  background: var(--red);
  color: #101114;
  font-size: 12px;
  font-weight: 700;
  border: 1px solid var(--red);
}

.button:hover {
  background: #ff746c;
  color: #101114;
}

.button>span {
  font-size: 18px;
}

.text-link {
  display: inline-flex;
  gap: 13px;
  align-items: center;
  font-size: 12px;
}

.briefing {
  padding: 23px 25px 22px;
  border: 1px solid var(--rule);
  border-top: 3px solid var(--red);
  background: linear-gradient(135deg, #202229, #16181c);
  position: relative;
}

.briefing::after {
  content: "";
  position: absolute;
  right: 0;
  top: -3px;
  width: 65px;
  height: 3px;
  background: repeating-linear-gradient(110deg, #f4f2ec 0 7px, #101114 7px 14px);
}

.briefing-heading {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  color: var(--muted);
  font: 9px/1.6 var(--mono);
  letter-spacing: 1px;
}

.briefing-mark {
  color: var(--red);
}

.briefing-title {
  font-size: 29px;
  line-height: 1.12;
  font-weight: 700;
  letter-spacing: -.9px;
  margin-top: 19px;
}

.briefing dl {
  margin-block: 19px;
}

.briefing dl>div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding-block: 9px;
  border-bottom: 1px solid var(--rule);
  font: 10px/1.5 var(--mono);
}

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

.briefing dd {
  margin: 0;
  text-align: right;
}

.briefing-note {
  color: var(--muted);
  font-size: 11px;
  line-height: 1.6;
  max-width: 310px;
}

.system-section {
  padding-bottom: 60px;
}

.requirements-section {
  width: min(100% - 96px, 1248px);
  margin: 0 auto 38px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
  padding: 22px 24px;
  border-left: 3px solid var(--red);
  background: #241a1b;
}

.requirements-section h2 {
  font-size: 16px;
  margin-bottom: 9px;
}

.requirements-section p {
  color: #d3c5c5;
  font-size: 12px;
  line-height: 1.75;
}

.section-heading {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 40px;
  margin-bottom: 29px;
}

.section-heading h2 {
  font-size: clamp(28px, 3.1vw, 39px);
  letter-spacing: -1.4px;
  line-height: 1.15;
  margin-top: 14px;
}

.section-heading>p {
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
  max-width: 320px;
}

.compact-heading {
  margin-bottom: 17px;
  align-items: center;
}

.telemetry-section {
  padding-block: 45px;
  border-top: 1px solid var(--rule);
}

.telemetry-availability {
  max-width: 850px;
  margin-bottom: 26px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

.telemetry-availability strong {
  color: var(--ink);
}

.telemetry-catalog {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  border: 1px solid var(--rule);
  background: var(--rule);
}

.telemetry-catalog>div {
  padding: 24px;
  background: var(--panel);
}

.telemetry-catalog dt {
  display: flex;
  align-items: baseline;
  gap: 12px;
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -.4px;
}

.telemetry-number {
  color: var(--red);
  font: 11px/1.6 var(--mono);
  letter-spacing: 1px;
}

.telemetry-catalog dd {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

.telemetry-catalog ul {
  margin: 0;
  padding-left: 18px;
}

.telemetry-catalog li+li {
  margin-top: 5px;
}

.telemetry-catalog dd>p {
  margin-top: 12px;
  font-size: 12px;
}

.telemetry-limits {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
  margin-top: 24px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
}

.telemetry-limits strong {
  display: block;
  margin-bottom: 5px;
  color: var(--ink);
}

.compact-heading h2 {
  font-size: 18px;
  letter-spacing: -.4px;
  margin: 0;
}

.compact-heading>.eyebrow {
  font-size: 9px;
}

.system-flow {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  padding: 0;
  margin: 0;
  border: 1px solid var(--rule);
}

.system-flow li {
  min-width: 0;
  padding: 23px 24px 24px;
  background: var(--panel);
  position: relative;
}

.system-flow li+li {
  border-left: 1px solid var(--rule);
}

.system-flow li::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 24px;
  width: 35px;
  height: 3px;
  background: var(--red);
}

.component-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 15px;
}

.flow-number {
  color: var(--muted);
  font: 9px/1.6 var(--mono);
  letter-spacing: 1px;
}

.component-top svg {
  width: 26px;
  flex-shrink: 0;
  fill: none;
  stroke: #d2d2d6;
  stroke-width: 1.3;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.system-flow h3 {
  font-size: 22px;
  letter-spacing: -.7px;
}

.system-flow p {
  font-size: 12px;
  line-height: 1.75;
  color: var(--muted);
  margin-top: 12px;
}

.flow-tag {
  display: block;
  font: 9px/1.6 var(--mono);
  letter-spacing: .3px;
  color: #dadbe0;
  margin-top: 20px;
}

.transponder-section {
  padding-block: 45px 43px;
  border-top: 1px solid var(--rule);
}

.transponder-gallery {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 22px;
  align-items: start;
}

.transponder-capture {
  min-width: 0;
  margin: 0;
  border: 1px solid var(--rule);
  background: var(--panel);
}

.primary-capture {
  border-top: 3px solid var(--red);
}

.capture-label {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 6px 12px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--rule);
  font: 8px/1.6 var(--mono);
  letter-spacing: .7px;
  color: var(--muted);
}

.capture-label>span:first-child {
  color: var(--ink);
}

.transponder-capture>a {
  display: block;
}

.transponder-capture img {
  display: block;
  width: 100%;
  height: auto;
  padding: 16px;
}

.transponder-capture figcaption {
  display: block;
  padding: 18px 20px 20px;
}

.transponder-capture h3 {
  color: var(--ink);
  font: 700 20px/1.2 var(--sans);
  letter-spacing: -.5px;
  margin-bottom: 9px;
}

.transponder-capture figcaption p {
  font: 12px/1.75 var(--sans);
}

.field-key {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 24px;
  margin-top: 24px;
  font-size: 12px;
}

.field-key span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.field-key svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.field-key .upload { color: #6cbfff; }
.field-key .retry { color: #ffbe57; }
.field-key .stopped { color: #ff7974; }
.field-key .ack { color: #8dddab; }

.capture-provenance {
  max-width: 920px;
  margin-top: 22px;
  color: var(--muted);
  font: 10px/1.8 var(--mono);
}

.capture-provenance p+p {
  margin-top: 8px;
}

.terminal-section {
  padding-block: 45px 43px;
  border-top: 1px solid var(--rule);
}

.terminal-capture {
  margin: 0;
  border: 1px solid #4a4c55;
  background: #0b0c0e;
  box-shadow: 0 18px 60px #0003;
}

.terminal-chrome {
  display: flex;
  gap: 22px;
  align-items: center;
  padding: 16px 21px;
  border-bottom: 1px solid var(--rule);
  background: #202229;
  color: var(--muted);
  font: 9px/1.5 var(--mono);
  letter-spacing: 1.3px;
}

.terminal-label {
  color: var(--ink);
  margin-right: auto;
}

.terminal-corner {
  color: var(--red);
  font-size: 15px;
}

.terminal-scroll {
  overflow-x: auto;
  padding: 14px;
  scrollbar-color: #686a73 #16171b;
}

.terminal-scroll img {
  display: block;
  width: 100%;
  min-width: 840px;
  height: auto;
}

figcaption {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  padding: 17px 21px;
  border-top: 1px solid var(--rule);
  font: 10px/1.7 var(--mono);
  color: var(--muted);
}

figcaption a {
  color: var(--ink);
}

.terminal-compact {
  margin-top: 20px;
}

.terminal-compact summary {
  padding-block: 12px;
  cursor: pointer;
  color: var(--ink);
  font: 11px/1.7 var(--mono);
}

.terminal-compact .terminal-scroll img {
  min-width: 620px;
}

.terminal-notes {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 44px;
  margin-top: 22px;
}

.terminal-notes p {
  font-size: 11px;
  line-height: 1.8;
  color: var(--muted);
}

.note-label {
  display: block;
  font: 9px/1.6 var(--mono);
  letter-spacing: 1.1px;
  color: var(--ink);
  margin-bottom: 6px;
}

.principle-section {
  display: flex;
  align-items: center;
  gap: 29px;
  padding: 28px 31px;
  border-left: 3px solid var(--red);
  background: var(--panel);
}

.principle-mark {
  color: var(--red);
  font-size: 60px;
  line-height: 1;
}

.principle-section h2 {
  font-size: 23px;
  letter-spacing: -.6px;
  margin-block: 7px 8px;
}

.principle-section p:last-child {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.75;
  max-width: 880px;
}

.features-section {
  padding-block: 48px;
  border-top: 1px solid var(--rule);
}

.feature-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.feature-list li {
  padding: 24px;
  border: 1px solid var(--rule);
  border-top: 3px solid var(--green);
  background: var(--panel);
}

.feature-index {
  color: var(--green);
  font: 10px/1.6 var(--mono);
  letter-spacing: 1px;
}

.feature-list h3 {
  margin-block: 14px 10px;
  font-size: 21px;
  line-height: 1.2;
  letter-spacing: -.5px;
}

.feature-list p, .feature-note {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
}

.feature-list .text-link {
  margin-top: 16px;
  font-size: 12px;
}

.feature-note {
  margin-top: 20px;
}

.roadmap-section {
  border-top: 1px solid var(--rule);
  padding-block: 58px 68px;
}

.roadmap-lanes {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.roadmap-lane {
  padding: 26px;
  background: var(--panel);
  border: 1px solid var(--rule);
  border-top: 3px solid #c1b8a3;
}

.roadmap-track {
  color: #c1b8a3;
  font: 10px/1.7 var(--mono);
  letter-spacing: 1px;
}

.roadmap-lane h3 {
  font-size: 24px;
  line-height: 1.2;
  letter-spacing: -.5px;
  margin-top: 12px;
}

.roadmap-lane ul {
  margin: 24px 0 0;
  padding-left: 24px;
}

.roadmap-lane li {
  padding-left: 7px;
}

.roadmap-lane li+li {
  margin-top: 22px;
}

.roadmap-lane li::marker {
  color: #c1b8a3;
  font: 12px var(--mono);
}

.roadmap-lane h4 {
  margin: 0 0 7px;
  font-size: 15px;
  line-height: 1.4;
}

.roadmap-lane li p, .roadmap-lane-note {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.8;
}

.roadmap-lane-note {
  margin-top: 25px;
  padding-top: 20px;
  border-top: 1px solid var(--rule);
}

.site-footer {
  display: flex;
  align-items: center;
  gap: 30px;
  padding-block: 25px 33px;
  border-top: 1px solid var(--rule);
  position: relative;
}

.site-footer::before {
  content: "";
  position: absolute;
  width: 64px;
  height: 4px;
  top: -4px;
  left: 0;
  background: repeating-linear-gradient(110deg, var(--red) 0 8px, #f4f2ec 8px 16px);
}

.footer-brand {
  font-size: 19px;
}

.site-footer p, .site-footer>a:last-child {
  font-size: 10px;
  line-height: 1.7;
  color: var(--muted);
}

.site-footer>a:last-child {
  margin-left: auto;
}

.projects-page .hero {
  align-items: center;
  min-height: 65vh;
}

.projects-page .project-card {
  border: 1px solid var(--rule);
  border-top: 3px solid var(--red);
  background: var(--panel);
  padding: 30px;
}

.project-card h2 {
  font-size: 36px;
  margin-block: 17px;
  letter-spacing: -1px;
}

.project-card .hero-description {
  font-size: 14px;
}

@media (min-width: 1500px) {
  .hero {
    padding-block: 83px 60px;
  }

}

@media (max-width: 1050px) {
  .requirements-section {
    width: calc(100% - 64px);
  }

  .site-header, .hero, .system-section, .telemetry-section, .transponder-section, .terminal-section, .principle-section, .features-section, .roadmap-section, .site-footer {
    width: calc(100% - 64px);
  }

  .hero {
    gap: 38px;
    grid-template-columns: 1.4fr 1fr;
  }

  .hero h1 {
    font-size: 65px;
    letter-spacing: -3.7px;
  }

  .site-header nav {
    gap: 20px;
    font-size: 11px;
  }

  .system-flow li {
    padding-inline: 19px;
  }

  .system-flow h3 {
    font-size: 21px;
  }

  .feature-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

}

@media (max-width: 760px) {
  .requirements-section {
    width: calc(100% - 40px);
    grid-template-columns: 1fr;
    gap: 22px;
    padding: 20px;
  }

  .site-header, .hero, .system-section, .telemetry-section, .transponder-section, .terminal-section, .principle-section, .features-section, .roadmap-section, .site-footer {
    width: calc(100% - 40px);
  }

  .site-header {
    min-height: 83px;
    gap: 18px;
    flex-wrap: wrap;
    padding-block: 18px;
  }

  .brand {
    font-size: 22px;
  }

  .brand svg {
    width: 29px;
  }

  .site-header nav {
    gap: 15px;
    font-size: 10px;
  }

  .site-header nav>a:first-child {
    display: none;
  }

  .hero {
    grid-template-columns: 1fr;
    padding-block: 40px 35px;
    gap: 32px;
  }

  .hero h1 {
    font-size: clamp(48px, 10.5vw, 76px);
    letter-spacing: -3px;
    margin-block: 22px;
  }

  .hero-description {
    font-size: 15px;
  }

  .hero .eyebrow {
    font-size: 9px;
    letter-spacing: 1px;
  }

  .briefing {
    padding: 20px;
  }

  .briefing-title {
    font-size: 25px;
  }

  .briefing-title br {
    display: none;
  }

  .briefing dl {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 25px;
    margin-block: 14px;
  }

  .briefing-note {
    max-width: none;
  }

  .compact-heading {
    display: block;
  }

  .compact-heading>.eyebrow {
    margin-top: 8px;
  }

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

  .system-flow li {
    padding: 20px;
  }

  .system-flow li+li {
    border-left: 0;
    border-top: 1px solid var(--rule);
  }

  .component-top {
    margin-bottom: 10px;
  }

  .system-flow p {
    font-size: 13px;
  }

  .flow-tag {
    margin-top: 14px;
  }

  .system-section {
    padding-bottom: 37px;
  }

  .section-heading {
    display: block;
    margin-bottom: 24px;
  }

  .section-heading h2 {
    font-size: 31px;
    letter-spacing: -1px;
  }

  .compact-heading h2 {
    font-size: 18px;
    letter-spacing: -.4px;
  }

  .section-heading>p {
    max-width: none;
    margin-top: 14px;
  }

  .telemetry-section {
    padding-block: 35px;
  }

  .telemetry-catalog, .telemetry-limits {
    grid-template-columns: 1fr;
  }

  .telemetry-catalog>div {
    padding: 20px;
  }

  .telemetry-limits {
    gap: 18px;
  }

  .transponder-gallery {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .transponder-capture img {
    max-width: 496px;
    margin-inline: auto;
  }

  .transponder-section {
    padding-block: 35px;
  }

  .terminal-section {
    padding-block: 35px;
  }

  .terminal-chrome {
    padding: 14px;
    gap: 10px;
    font-size: 8px;
    letter-spacing: .6px;
  }

  .terminal-scroll {
    padding: 10px;
  }

  figcaption {
    padding: 14px;
    gap: 8px;
    font-size: 9px;
  }

  .terminal-notes {
    gap: 17px;
    grid-template-columns: 1fr;
    margin-top: 18px;
  }

  .principle-section {
    padding: 22px 20px;
    gap: 18px;
    align-items: flex-start;
  }

  .principle-mark {
    font-size: 44px;
  }

  .principle-section .eyebrow {
    font-size: 8px;
    letter-spacing: .9px;
  }

  .principle-section h2 {
    font-size: 21px;
  }

  .roadmap-section {
    padding-block: 35px 48px;
  }

  .roadmap-lanes {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .roadmap-lane {
    padding: 22px 20px;
  }

  .features-section {
    padding-block: 35px 40px;
  }

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

  .feature-list li {
    padding: 22px 20px;
  }

  .site-footer {
    gap: 15px;
    flex-wrap: wrap;
  }

  .site-footer p {
    flex-basis: calc(100% - 120px);
  }

  .site-footer>a:last-child {
    margin-left: 0;
  }

  .projects-page .hero {
    min-height: auto;
  }

}

@media (max-width: 380px) {
  .site-header {
    flex-wrap: wrap;
    justify-content: flex-start;
    gap: 0 22px;
    padding-block: 16px 10px;
  }

  .site-header nav {
    gap: 20px;
  }

  .hero h1 {
    font-size: 47px;
  }

  .hero-actions {
    gap: 21px;
  }

  .briefing dl {
    grid-template-columns: 1fr;
  }

}

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

}