:root {
  --steel: #e8edf0;
  --paper: #f7f9fa;
  --ink: #111820;
  --slate: #586773;
  --cobalt: #1737d1;
  --coral: #ff5b3a;
  --line: #b8c2c9;
  color-scheme: light;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-synthesis: none;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  background: var(--steel);
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(90deg, rgb(17 24 32 / 6%) 1px, transparent 1px) 50% 0 / min(8vw, 7rem) 100%,
    var(--steel);
}

a {
  color: inherit;
}

.site-header,
main,
footer {
  width: min(100% - 3rem, 92rem);
  margin-inline: auto;
}

.site-header {
  min-height: 7rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
  font: 700 0.72rem/1.2 "Courier New", Courier, monospace;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
}

.footer-links a {
  text-underline-offset: 0.25rem;
}

.legal-main {
  padding-block: clamp(4rem, 9vw, 8rem);
}

.legal-hero {
  max-width: 64rem;
  padding-bottom: clamp(3rem, 7vw, 6rem);
  border-bottom: 1px solid var(--line);
}

.legal-hero h1 {
  max-width: none;
  font-size: clamp(3.8rem, 10vw, 8rem);
}

.legal-summary {
  max-width: 45rem;
  margin: 2rem 0 0;
  color: #34424d;
  font-size: clamp(1.05rem, 1.5vw, 1.3rem);
  line-height: 1.6;
}

.legal-layout {
  display: grid;
  grid-template-columns: minmax(12rem, 0.35fr) minmax(0, 0.65fr);
  gap: clamp(3rem, 9vw, 10rem);
  padding-top: clamp(3rem, 7vw, 6rem);
}

.legal-index {
  align-self: start;
  position: sticky;
  top: 2rem;
  padding: 1.25rem;
  color: white;
  background: var(--cobalt);
  font: 700 0.68rem/1.5 "Courier New", Courier, monospace;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.legal-index p {
  margin: 0 0 1rem;
  color: #bfcaff;
}

.legal-index ol {
  display: grid;
  gap: 0.75rem;
  margin: 0;
  padding-left: 1.25rem;
}

.legal-index a {
  text-decoration-color: transparent;
  text-underline-offset: 0.2rem;
}

.legal-index a:hover {
  text-decoration-color: currentColor;
}

.legal-copy {
  max-width: 47rem;
}

.legal-copy section {
  padding-bottom: 3rem;
}

.legal-copy h2 {
  margin: 0 0 1rem;
  font-size: clamp(1.45rem, 3vw, 2rem);
  letter-spacing: -0.025em;
}

.legal-copy p,
.legal-copy li {
  color: #34424d;
  font-size: 1rem;
  line-height: 1.75;
}

.legal-copy p {
  margin: 0 0 1rem;
}

.legal-copy ul {
  margin: 0;
  padding-left: 1.25rem;
}

.legal-copy a {
  color: var(--cobalt);
  font-weight: 700;
  text-underline-offset: 0.2rem;
}

.identity,
.header-link {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  text-decoration: none;
}

.identity-mark {
  display: grid;
  width: 2.7rem;
  aspect-ratio: 1;
  place-items: center;
  color: white;
  background: var(--cobalt);
  letter-spacing: -0.08em;
}

.identity-logo {
  display: block;
  width: 2.7rem;
  height: 2.7rem;
}

.header-link {
  padding-block: 0.8rem;
  border-bottom: 2px solid var(--ink);
}

.hero {
  min-height: calc(100vh - 12rem);
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(22rem, 0.65fr);
  gap: clamp(3rem, 8vw, 9rem);
  align-items: center;
  padding-block: clamp(4rem, 10vh, 8rem);
}

.eyebrow,
.signal,
footer {
  font-family: "Courier New", Courier, monospace;
}

.eyebrow {
  margin: 0 0 2rem;
  color: var(--cobalt);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1 {
  max-width: 13ch;
  margin: 0;
  font-family: Impact, Haettenschweiler, "Arial Narrow Bold", sans-serif;
  font-size: clamp(4rem, 9vw, 9.5rem);
  font-weight: 900;
  line-height: 0.88;
  letter-spacing: -0.035em;
  text-transform: uppercase;
}

h1 em {
  display: inline-block;
  color: var(--cobalt);
  font-style: normal;
}

.intro {
  max-width: 39rem;
  margin: clamp(2rem, 5vh, 3.5rem) 0 2.25rem;
  color: #34424d;
  font-size: clamp(1.05rem, 1.5vw, 1.35rem);
  line-height: 1.6;
}

.hero-mark {
  display: block;
  width: 5.5rem;
  height: 5.5rem;
  margin-bottom: 1.5rem;
  box-shadow: 0.45rem 0.45rem 0 var(--coral);
}

.primary-link {
  display: inline-flex;
  gap: 2rem;
  align-items: center;
  justify-content: space-between;
  min-width: min(100%, 21rem);
  padding: 1.1rem 1.2rem;
  color: white;
  background: var(--ink);
  font-size: 0.86rem;
  font-weight: 700;
  text-decoration: none;
  transition: background-color 160ms ease, transform 160ms ease;
}

.primary-link:hover {
  background: var(--cobalt);
  transform: translateY(-2px);
}

.signal {
  position: relative;
  background: var(--paper);
  border: 1px solid var(--ink);
  box-shadow: 0.8rem 0.8rem 0 var(--cobalt);
}

.signal-header,
.signal-output {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin: 0;
  padding: 1rem 1.25rem;
  font-size: 0.67rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.signal-header {
  color: white;
  background: var(--ink);
}

.signal-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.signal-status i {
  width: 0.5rem;
  height: 0.5rem;
  background: var(--coral);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

.signal-flow {
  margin: 0;
  padding: 0;
  list-style: none;
}

.signal-flow li {
  position: relative;
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: 1rem;
  min-height: 7.5rem;
  align-items: center;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--line);
}

.signal-flow li::before {
  position: absolute;
  left: 2.93rem;
  top: 0;
  bottom: 0;
  width: 2px;
  content: "";
  background: var(--cobalt);
}

.signal-flow li::after {
  position: absolute;
  left: 2.62rem;
  width: 0.68rem;
  height: 0.68rem;
  content: "";
  background: var(--paper);
  border: 2px solid var(--cobalt);
  border-radius: 50%;
}

.signal-index {
  position: relative;
  z-index: 1;
  align-self: start;
  padding-top: 1rem;
  color: var(--slate);
  font-size: 0.65rem;
}

.signal-flow div {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding-left: 0.8rem;
}

.signal-flow strong {
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 1.35rem;
  letter-spacing: -0.02em;
}

.signal-flow div span {
  color: var(--slate);
  font-size: 0.75rem;
}

.signal-output {
  display: block;
  color: white;
  background: var(--cobalt);
  line-height: 1.5;
}

.signal-output span {
  display: block;
  margin-bottom: 0.35rem;
  color: #bfcaff;
  font-size: 0.6rem;
}

footer {
  min-height: 5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--line);
  color: var(--slate);
  font-size: 0.65rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

a:focus-visible {
  outline: 3px solid var(--coral);
  outline-offset: 4px;
}

@keyframes pulse {
  50% {
    box-shadow: 0 0 0 0.35rem rgb(255 91 58 / 18%);
  }
}

@media (max-width: 800px) {
  .site-header,
  main,
  footer {
    width: min(100% - 2rem, 92rem);
  }

  .site-header {
    min-height: 5.5rem;
  }

  .identity > span:last-child {
    display: none;
  }

  .hero {
    min-height: auto;
    grid-template-columns: 1fr;
    gap: 4rem;
    padding-block: 4rem 5rem;
  }

  h1 {
    font-size: clamp(3.7rem, 17vw, 6rem);
  }

  .signal {
    width: calc(100% - 0.6rem);
  }

  footer {
    min-height: 6rem;
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    gap: 0.5rem;
  }

  .footer-links {
    order: 3;
  }

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

  .legal-index {
    position: static;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}