:root {
  --field: #e2dbc8;
  --panel: #f5f1e6;
  --ink: #241e16;
  --body: #463d32;
  --rule: #b5ab94;
  --hairline: #d3cbb6;
  --muted: #4a4338;
  --signal: #163e95;
  --live: #45601c;

  --font-body: Archivo, system-ui, sans-serif;
  --font-monospace: "IBM Plex Mono", ui-monospace, monospace;
}

* {
  box-sizing: border-box;
}

a {
  color: inherit;
}

:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}

body {
  margin: 0;
  background: var(--field);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-inline-size: 1000px;
  margin-inline: auto;
  padding-inline: 24px;
}

.label {
  font-family: var(--font-monospace);
  font-size: 9.5px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
}

.masthead {
  padding-block: 18px;
  display: flex;
  align-items: baseline;
  gap: 18px;
  flex-wrap: wrap;

  .site-name {
    font-size: 16px;
    text-decoration: none;
    font-weight: 800;
    letter-spacing: -0.03em;
  }

  nav {
    margin-inline-start: auto;
    display: flex;
    gap: 16px;
    font-family: var(--font-monospace);
    font-size: 11.5px;

    a {
      text-decoration: none;
      color: var(--muted);

      &:hover {
        color: var(--signal);
      }
    }
  }
}

h1 {
  font-size: clamp(30px, 4.8vw, 52px);
  font-weight: 800;
  letter-spacing: -0.042em;
  line-height: 1.05;
  margin-block: 14px 18px;
  max-inline-size: 17ch;
  text-wrap: balance;

  mark {
    background: none;
    color: var(--signal);
  }
}

.subtitle {
  max-inline-size: 46ch;
  margin-block: 0 30px;
  color: var(--body);
  font-size: 17.5px;
  text-wrap: pretty;
}

.waveform {
  inline-size: 100%;
  overflow: hidden;
  border-block: 1px solid var(--rule);
  background: var(--panel);

  svg {
    inline-size: 100%;
    block-size: 150px;
    display: block;
  }
}

.waveform-bar {
  fill: var(--live);
  opacity: 0.75;

  &.highlight {
    opacity: 1;
  }
}

.waveform-gap {
  fill: var(--signal);
}

.waveform-ahead {
  opacity: 0.26;
}

[data-playback="whole"] .waveform-ahead {
  display: none;
}

[data-playback="whole"] .waveform-head {
  visibility: hidden;
}

.waveform-head-line {
  fill: var(--ink);
  opacity: 0.55;
}

.waveform-head-cap {
  fill: var(--ink);
}

.waveform-live-gap {
  fill: var(--signal);
  opacity: 1;
}

.waveform-labels {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding-block-start: 8px;
  font-family: var(--font-monospace);
  font-size: 9.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  font-variant-numeric: tabular-nums;

  .is-down {
    color: var(--signal);
  }
}

.call-legs {
  display: grid;
  grid-template-columns: repeat(3, 1fr) auto;
  gap: 20px;
  align-items: center;
  padding-block: 20px 8px;
}

.leg {
  .leg-name {
    font-family: var(--font-monospace);
    font-size: 10px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--muted);
  }

  .leg-latency {
    display: block;
    font-size: 26px;
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--live);
    font-variant-numeric: tabular-nums;

    .unit {
      font-family: var(--font-monospace);
      font-size: 10px;
      font-weight: 400;
      font-style: normal;
      color: var(--muted);
      margin-inline-start: 2px;
    }
  }

  &:is([data-status="dropped"], [data-status="restarting"]) .leg-latency {
    color: var(--signal);
  }
}

.button {
  font-family: var(--font-monospace);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  background: var(--ink);
  color: var(--panel);
  border: 0;
  padding: 10px 14px;
  cursor: pointer;

  &:hover {
    background: var(--signal);
  }

  &[disabled] {
    opacity: 0.35;
    cursor: default;
  }
}

.call-log {
  font-family: var(--font-monospace);
  font-size: 10.5px;
  color: var(--muted);
  margin-block: 0 30px;
  min-block-size: 1.6em;
}

section {
  padding-block: 40px;
  border-block-start: 1px solid var(--rule);
  scroll-margin-block-start: 12px;
}

h2 {
  font-size: 23px;
  font-weight: 800;
  letter-spacing: -0.035em;
  margin-block: 0 22px;
  text-wrap: balance;
}

.section-note {
  margin-block: -10px 20px;
  color: var(--muted);
  max-inline-size: 58ch;
  font-size: 15px;
  text-wrap: pretty;
}

.role {
  display: grid;
  grid-template-columns: 0px 1fr;
  gap: 20px;
  padding-block: 16px;
  border-block-start: 1px solid var(--hairline);

  .role-marker {
    border-inline-start: 2px solid var(--live);
    block-size: 100%;
    min-block-size: 34px;
  }

  .role-dates {
    font-family: var(--font-monospace);
    font-size: 10.5px;
    color: var(--muted);
    letter-spacing: 0.05em;
  }

  .role-organization {
    font-size: 19px;
    font-weight: 700;
    letter-spacing: -0.025em;
    margin-block: 4px 6px;
  }

  .role-summary {
    margin-block: 0 7px;
    font-size: 15px;
    color: var(--body);
    line-height: 1.6;
    max-inline-size: 60ch;
    text-wrap: pretty;
  }

  .role-stack {
    font-family: var(--font-monospace);
    font-size: 9.5px;
    color: var(--muted);
  }

  &.volunteer .role-marker {
    border-color: var(--signal);
  }
}

.world-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(184px, 1fr));
  gap: 0 22px;
}

.world {
  display: flex;
  align-items: center;
  gap: 9px;
  padding-block: 5px;
  border-block-end: 1px solid var(--hairline);
  font-family: var(--font-monospace);
  font-size: 11.5px;

  .world-code {
    color: var(--muted);
    inline-size: 26px;
    font-variant-numeric: tabular-nums;
  }

  .world-place {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .signal-strength {
    display: flex;
    gap: 1.5px;
    align-items: flex-end;
    block-size: 11px;
  }

  .signal-bar {
    inline-size: 2px;
    block-size: var(--bar-height, 2px);
    background: var(--live);
    opacity: 0.28;

    &.lit {
      opacity: 0.8;
    }
  }

  &.lived-in .world-code {
    color: var(--ink);
    font-weight: 500;
  }

  &.home {
    color: var(--signal);
    font-weight: 500;

    .world-code {
      color: var(--signal);
    }

    .signal-bar {
      background: var(--signal);
      opacity: 1;
    }
  }
}

.prose {
  max-inline-size: 60ch;
  font-size: 16.5px;
  color: var(--body);
  line-height: 1.62;
  text-wrap: pretty;

  p {
    margin-block: 0 40px;
  }

  strong {
    color: var(--ink);
    font-weight: 600;
  }
}

.contacts {
  display: flex;
  gap: 38px;
  flex-wrap: wrap;
  font-family: var(--font-monospace);
  font-size: 13px;

  a {
    color: var(--signal);
    text-decoration: none;
    border-block-end: 1px solid var(--rule);
    display: block;
    margin-block-start: 5px;
  }
}

footer {
  padding-block: 20px 42px;
  font-family: var(--font-monospace);
  font-size: 10px;
  color: var(--muted);
}

@media (width <= 760px) {
  .call-legs {
    grid-template-columns: 1fr 1fr;

    .button {
      grid-column: 1 / -1;
    }
  }
}

.visually-hidden {
  position: absolute;
  inline-size: 1px;
  block-size: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  inset-block-start: 0;
  inset-inline-start: 0;
  transform: translateY(-120%);
  background: var(--ink);
  color: var(--panel);
  font-family: var(--font-monospace);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 10px 14px;
  z-index: 10;
}

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

.call-status {
  display: flex;
  align-items: baseline;
  gap: 16px;
  flex-wrap: wrap;
  margin-block: 0 30px;
}

.call-status .call-log {
  margin-block: 0;
  flex: 1;
  min-inline-size: 18ch;
}

.ticker-toggle {
  font-family: var(--font-monospace);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  background: none;
  border: 0;
  border-block-end: 1px solid var(--rule);
  padding: 0 0 2px;
  cursor: pointer;

  &:hover {
    color: var(--signal);
  }
}

.leg-latency.ticked {
  animation: latency-tick 520ms ease-out;
}

@keyframes latency-tick {
  0% {
    opacity: 0.45;
  }
  100% {
    opacity: 1;
  }
}

[data-motion="on"] [data-reveal] {
  opacity: 0;
  transform: translateY(9px);
  transition:
    opacity 520ms cubic-bezier(0.22, 0.61, 0.24, 1),
    transform 520ms cubic-bezier(0.22, 0.61, 0.24, 1);
  transition-delay: calc(var(--reveal-index, 0) * 55ms);
}

[data-motion="on"] [data-reveal="in"] {
  opacity: 1;
  transform: none;
}

[data-motion="on"] .role[data-reveal] .role-marker {
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 620ms cubic-bezier(0.22, 0.61, 0.24, 1);
  transition-delay: calc(var(--reveal-index, 0) * 55ms + 90ms);
}

[data-motion="on"] .role[data-reveal="in"] .role-marker {
  transform: scaleY(1);
}

[data-motion="on"] .world[data-reveal] .signal-bar {
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform 380ms cubic-bezier(0.22, 0.61, 0.24, 1);
  transition-delay: calc(
    var(--reveal-index, 0) * 55ms + var(--bar-index, 0) * 45ms
  );
}

[data-motion="on"] .world[data-reveal="in"] .signal-bar {
  transform: scaleY(1);
}

.signal-bar:nth-child(1) {
  --bar-index: 0;
}
.signal-bar:nth-child(2) {
  --bar-index: 1;
}
.signal-bar:nth-child(3) {
  --bar-index: 2;
}
.signal-bar:nth-child(4) {
  --bar-index: 3;
}
.signal-bar:nth-child(5) {
  --bar-index: 4;
}
.signal-bar:nth-child(6) {
  --bar-index: 5;
}
.signal-bar:nth-child(7) {
  --bar-index: 6;
}