:root {
  --mist: #e9f1f2;
  --paper: #f8fbfb;
  --ink: #10282d;
  --tide: #2d6d78;
  --line: #b8ced2;
  --signal: #f06c4f;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--mist);
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(90deg, transparent 0 49.9%, rgba(45, 109, 120, .07) 50%, transparent 50.1%),
    var(--mist);
  font-family: "Aptos", "Segoe UI", system-ui, sans-serif;
}

a {
  color: inherit;
}

.shell {
  width: min(1180px, calc(100% - 40px));
  min-height: 100vh;
  margin: 0 auto;
  padding: 30px 0 26px;
  display: grid;
  grid-template-rows: auto 1fr auto auto;
}

.masthead,
footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.masthead {
  padding-bottom: 22px;
  border-bottom: 1px solid var(--line);
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: .78rem;
  font-weight: 750;
  letter-spacing: .13em;
  text-decoration: none;
  text-transform: uppercase;
}

.wordmark__dot,
.pulse {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 0 5px rgba(240, 108, 79, .12);
}

.host,
footer,
.eyebrow,
.signal__status {
  font-family: ui-monospace, "Cascadia Mono", "SFMono-Regular", monospace;
}

.host {
  color: var(--tide);
  font-size: .78rem;
}

.hero {
  align-self: center;
  width: min(950px, 100%);
  padding: 8vh 0 7vh;
}

.eyebrow {
  margin: 0 0 22px;
  color: var(--tide);
  font-size: .74rem;
  letter-spacing: .16em;
  text-transform: uppercase;
}

h1 {
  max-width: 900px;
  margin: 0;
  font-family: "Arial Narrow", "Aptos Narrow", "Roboto Condensed", sans-serif;
  font-size: clamp(4.25rem, 12vw, 9.8rem);
  font-stretch: condensed;
  font-weight: 800;
  letter-spacing: -.065em;
  line-height: .78;
  text-transform: uppercase;
}

.lede {
  width: min(540px, 82%);
  margin: 46px 0 0 auto;
  font-size: clamp(1rem, 1.8vw, 1.3rem);
  line-height: 1.55;
}

.signal {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 36px;
  padding: 24px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.signal__track {
  min-height: 42px;
  display: flex;
  align-items: end;
  gap: clamp(10px, 3vw, 46px);
  overflow: hidden;
}

.signal__track span {
  flex: 1 0 26px;
  height: 1px;
  background: var(--tide);
  transform-origin: left center;
}

.signal__track span:nth-child(2) { transform: rotate(-13deg) scaleX(1.15); }
.signal__track span:nth-child(3) { transform: rotate(22deg) scaleX(.7); }
.signal__track span:nth-child(4) { transform: rotate(-31deg) scaleX(.45); }
.signal__track span:nth-child(5) { transform: rotate(9deg) scaleX(1.2); }
.signal__track span:nth-child(6) { transform: rotate(-6deg) scaleX(.8); }

.signal__status {
  min-width: 235px;
  display: grid;
  grid-template-columns: 13px 1fr;
  align-content: center;
  column-gap: 10px;
  font-size: .72rem;
  line-height: 1.5;
}

.signal__status .pulse {
  grid-row: 1 / span 2;
  margin-top: 5px;
  animation: breathe 2.8s ease-in-out infinite;
}

.signal__status strong {
  font-size: .76rem;
  letter-spacing: .03em;
}

.signal__status span:last-child {
  color: var(--tide);
}

footer {
  padding-top: 24px;
  color: var(--tide);
  font-size: .7rem;
  text-transform: uppercase;
}

footer a,
.back {
  text-underline-offset: 4px;
}

.shell--inner {
  grid-template-rows: auto 1fr auto;
}

.note {
  align-self: center;
  max-width: 900px;
  padding: 8vh 0;
}

.note h1 {
  font-size: clamp(3.4rem, 9vw, 7.6rem);
}

.note > p:not(.eyebrow) {
  width: min(570px, 90%);
  margin: 34px 0 0 auto;
  font-size: 1.05rem;
  line-height: 1.65;
}

.back {
  display: inline-block;
  margin: 42px 0 0 auto;
  font-family: ui-monospace, monospace;
  font-size: .78rem;
}

@keyframes breathe {
  0%, 100% { box-shadow: 0 0 0 5px rgba(240, 108, 79, .12); }
  50% { box-shadow: 0 0 0 9px rgba(240, 108, 79, .04); }
}

@media (max-width: 680px) {
  .shell {
    width: min(100% - 28px, 1180px);
    padding-top: 20px;
  }

  .host {
    display: none;
  }

  .hero {
    padding: 12vh 0 9vh;
  }

  h1 {
    font-size: clamp(3.5rem, 21vw, 6.3rem);
  }

  .lede,
  .note > p:not(.eyebrow) {
    width: 92%;
    margin-top: 32px;
  }

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

  .signal__track {
    min-height: 32px;
  }

  footer {
    align-items: end;
  }
}

@media (prefers-reduced-motion: reduce) {
  .signal__status .pulse {
    animation: none;
  }
}