:root {
  color-scheme: light;
  --paper: #f4f3ec;
  --ink: #0b0d0a;
  --muted: #555850;
  --line: #1f221d;
  --soft-line: rgba(31, 34, 29, 0.14);
  --acid: #c7ff2e;
  --blue: #315cff;
  --unknown: #7a2cff;
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  background-color: var(--paper);
  background-image: linear-gradient(90deg, var(--soft-line) 1px, transparent 1px);
  background-size: min(8.34vw, 120px) 100%;
  color: var(--ink);
}

a {
  color: inherit;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  border-radius: 2px;
  transform: translateY(-180%);
  background: #fff;
  color: #111;
}

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

.prelaunch-bar {
  display: flex;
  min-height: 36px;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 8px clamp(18px, 4vw, 58px);
  background: var(--ink);
  color: #f7f7f1;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.site-header,
.route-view,
.site-footer {
  width: min(1324px, calc(100% - 48px));
  margin-inline: auto;
}

.site-header {
  display: grid;
  grid-template-columns: 1fr auto 64px;
  align-items: center;
  gap: 24px;
  min-height: 92px;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  width: fit-content;
  font-size: 21px;
  font-weight: 850;
  letter-spacing: -0.04em;
  text-decoration: none;
}

.brand-glyph {
  width: 35px;
  height: 35px;
  border-radius: 3px;
}

.site-nav {
  display: flex;
  align-items: center;
}

.site-nav a {
  padding: 13px 15px;
  border: 1px solid transparent;
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
}

.site-nav a:hover {
  text-decoration: underline;
  text-underline-offset: 4px;
}

.site-nav a.active {
  border-color: var(--line);
  background: var(--acid);
}

.current-route,
.route-label,
.card-index,
.signal-index,
.signal-status span {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}

.current-route {
  font-size: 12px;
  text-align: right;
}

.route-view {
  padding: clamp(64px, 8vw, 116px) 0 clamp(84px, 10vw, 150px);
}

.signal-hero {
  display: grid;
  grid-template-columns: 160px minmax(0, 1fr) 270px;
  gap: clamp(26px, 4vw, 62px);
  align-items: start;
  min-height: 620px;
}

.signal-index {
  display: grid;
  gap: 15px;
  padding-top: 12px;
  font-size: 10px;
  letter-spacing: 0.06em;
}

.status-chip,
.prelaunch-label {
  display: inline-flex;
  width: fit-content;
  margin: 0;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--acid);
  font-size: 11px;
  font-weight: 850;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.signal-main h1 {
  max-width: 800px;
  margin: 38px 0 22px;
  font-size: clamp(68px, 8.25vw, 126px);
  line-height: 0.88;
  letter-spacing: -0.085em;
}

.signal-main > p {
  max-width: 760px;
  margin: 0;
  font-size: clamp(20px, 2vw, 27px);
  line-height: 1.45;
  letter-spacing: -0.025em;
}

.route-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.route-action {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 19px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-weight: 780;
  text-decoration: none;
}

.route-action.primary {
  border-color: var(--blue);
  background: var(--blue);
  color: #fff;
}

.signal-status {
  display: grid;
  border-top: 8px solid var(--line);
}

.signal-status div {
  display: grid;
  gap: 7px;
  padding: 17px 0 19px;
  border-bottom: 1px solid var(--line);
}

.signal-status span {
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.signal-status strong {
  font-size: 21px;
}

.capability-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.capability-list article {
  min-height: 280px;
  padding: 30px 28px 34px 0;
}

.capability-list article + article {
  padding-left: 28px;
  border-left: 1px solid var(--line);
}

.capability-list > article > span {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 11px;
}

.capability-list h2 {
  margin: 70px 0 14px;
  font-size: 25px;
  letter-spacing: -0.04em;
}

.capability-list p {
  margin: 0;
  color: var(--muted);
  line-height: 1.62;
}

.provider-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  padding-top: 32px;
}

.provider-chip,
.verified-label,
.unknown-label {
  display: inline-flex;
  width: fit-content;
  padding: 7px 10px;
  border: 1px solid currentColor;
  border-radius: 999px;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.08em;
  line-height: 1;
  text-transform: uppercase;
}

.provider-chip.live,
.verified-label {
  background: var(--acid);
  color: var(--ink);
}

.standard-page > h1 {
  max-width: 1100px;
  margin: 36px 0 24px;
  font-size: clamp(58px, 8vw, 116px);
  line-height: 0.9;
  letter-spacing: -0.075em;
}

.route-label {
  margin-bottom: 22px;
  font-size: 12px;
  letter-spacing: 0.08em;
}

.prelaunch-label {
  background: transparent;
}

.lede {
  max-width: 850px;
  margin: 0;
  color: var(--muted);
  font-size: clamp(19px, 2.2vw, 27px);
  line-height: 1.52;
}

.content-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 74px;
  border-top: 1px solid var(--line);
}

.content-card {
  min-height: 300px;
  padding: 28px clamp(24px, 4vw, 52px) 36px 0;
  border-bottom: 1px solid var(--line);
}

.content-card:nth-child(even) {
  padding-left: clamp(24px, 4vw, 52px);
  border-left: 1px solid var(--line);
}

.card-index {
  font-size: 11px;
}

.content-card h2 {
  max-width: 18ch;
  margin: 58px 0 16px;
  font-size: clamp(24px, 2.6vw, 34px);
  line-height: 1.05;
  letter-spacing: -0.045em;
}

.content-card p,
.content-card li {
  color: var(--muted);
  line-height: 1.68;
}

.content-card ul {
  padding-left: 20px;
}

.callout {
  display: grid;
  gap: 12px;
  padding: 18px 20px;
  border-left: 5px solid var(--unknown);
  background: rgba(122, 44, 255, 0.08);
}

.callout strong,
.unknown-heading span {
  color: var(--unknown);
  font-size: 11px;
  letter-spacing: 0.1em;
}

.unknown-block {
  margin-top: 74px;
  padding: 28px 0 8px;
  border-top: 8px solid var(--unknown);
}

.unknown-heading {
  display: flex;
  gap: 12px;
  align-items: center;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.unknown-list {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 20px;
}

.unknown-list span,
.unknown-label {
  padding: 8px 10px;
  border: 1px dashed var(--unknown);
  border-radius: 999px;
  color: #4e168e;
  font-size: 11px;
  font-weight: 750;
}

.truth-table-wrap {
  margin-top: 70px;
  overflow-x: auto;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.truth-table {
  width: 100%;
  min-width: 880px;
  border-collapse: collapse;
  text-align: left;
}

.truth-table caption {
  padding: 18px 0;
  font-weight: 800;
  text-align: left;
}

.truth-table th,
.truth-table td {
  padding: 20px 18px 20px 0;
  border-top: 1px solid var(--line);
  vertical-align: top;
  line-height: 1.55;
}

.truth-table th {
  width: 18%;
}

.truth-table td {
  color: var(--muted);
}

.data-notes {
  margin-top: 74px;
}

.site-footer {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 28px;
  padding: 34px 0 44px;
  border-top: 1px solid var(--line);
}

.site-footer p {
  max-width: 620px;
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 17px;
  align-items: start;
  font-size: 13px;
  font-weight: 700;
}

.site-footer a,
.prelaunch-bar a {
  text-underline-offset: 4px;
}

.site-footer .footer-status {
  grid-column: 1 / -1;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  text-transform: uppercase;
}

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

@media (max-width: 980px) {
  .site-header {
    grid-template-columns: 1fr auto;
    padding: 17px 0;
  }

  .site-nav {
    grid-column: 1 / -1;
    grid-row: 2;
    overflow-x: auto;
    width: 100%;
  }

  .current-route {
    grid-column: 2;
    grid-row: 1;
  }

  .signal-hero {
    grid-template-columns: 100px minmax(0, 1fr);
  }

  .signal-status {
    grid-column: 1 / -1;
    grid-template-columns: repeat(3, 1fr);
  }

  .signal-status div {
    padding-right: 18px;
  }

  .signal-status div + div {
    padding-left: 18px;
    border-left: 1px solid var(--line);
  }
}

@media (max-width: 700px) {
  body {
    background-size: 64px 100%;
  }

  .prelaunch-bar {
    align-items: flex-start;
    flex-direction: column;
    gap: 4px;
  }

  .site-header,
  .route-view,
  .site-footer {
    width: min(100% - 32px, 1324px);
  }

  .site-nav a {
    flex: 0 0 auto;
    padding: 11px 12px;
  }

  .route-view {
    padding-top: 50px;
  }

  .signal-hero {
    display: block;
    min-height: 0;
  }

  .signal-index {
    grid-template-columns: repeat(3, auto);
    justify-content: space-between;
    margin-bottom: 34px;
  }

  .signal-main h1,
  .standard-page > h1 {
    font-size: clamp(52px, 17vw, 74px);
    overflow-wrap: anywhere;
  }

  .signal-main > p,
  .lede {
    font-size: 19px;
  }

  .signal-status {
    grid-template-columns: 1fr;
    margin-top: 68px;
  }

  .signal-status div + div {
    padding-left: 0;
    border-left: 0;
  }

  .capability-list,
  .content-grid {
    grid-template-columns: 1fr;
    margin-top: 58px;
  }

  .capability-list {
    margin-top: 72px;
  }

  .capability-list article,
  .capability-list article + article,
  .content-card,
  .content-card:nth-child(even) {
    min-height: 0;
    padding: 26px 0 32px;
    border-left: 0;
  }

  .capability-list article + article {
    border-top: 1px solid var(--line);
  }

  .capability-list h2,
  .content-card h2 {
    margin-top: 42px;
  }

  .unknown-block {
    margin-top: 58px;
  }

  .site-footer {
    grid-template-columns: 1fr;
  }
}

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