:root {
  color-scheme: dark;
  --color-bg: #061016;
  --color-bg-deep: #03090d;
  --color-surface: rgba(10, 23, 31, 0.72);
  --color-surface-hover: rgba(12, 30, 40, 0.88);
  --color-text: #edf5f7;
  --color-muted: #8297a5;
  --color-dim: #526875;
  --color-line: rgba(139, 176, 193, 0.24);
  --color-line-strong: rgba(107, 195, 225, 0.48);
  --color-accent: #6cc6e8;
  --color-online: #79d36b;
  --color-pending: #f1b847;
  --color-maintenance: #66b8d6;
  --color-degraded: #ed824f;
  --color-offline: #87939a;
  --font-ui: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  --page-gutter: clamp(1.25rem, 4.8vw, 4.75rem);
  --content-width: 94rem;
  --radius: 0.375rem;
  --transition: 180ms ease;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  min-width: 20rem;
  background: var(--color-bg-deep);
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  min-height: 100svh;
  margin: 0;
  overflow-x: hidden;
  color: var(--color-text);
  background:
    radial-gradient(circle at 78% 16%, rgba(22, 101, 126, 0.12), transparent 32rem),
    radial-gradient(circle at 14% 63%, rgba(24, 83, 106, 0.1), transparent 30rem),
    linear-gradient(160deg, var(--color-bg) 0%, var(--color-bg-deep) 82%);
  font-family: var(--font-ui);
  -webkit-font-smoothing: antialiased;
}

body::before {
  position: fixed;
  z-index: -1;
  inset: 0;
  background-image:
    linear-gradient(rgba(91, 158, 181, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(91, 158, 181, 0.035) 1px, transparent 1px),
    radial-gradient(circle, rgba(106, 190, 219, 0.15) 0 0.75px, transparent 1px);
  background-position: center, center, 0 0;
  background-size: 4rem 4rem, 4rem 4rem, 2rem 2rem;
  content: "";
  mask-image: linear-gradient(to bottom, transparent, black 14%, black 88%, transparent);
  pointer-events: none;
}

a {
  color: inherit;
}

.skip-link {
  position: fixed;
  z-index: 10;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.65rem 0.9rem;
  border: 1px solid var(--color-accent);
  border-radius: var(--radius);
  color: var(--color-bg-deep);
  background: var(--color-accent);
  font: 700 0.75rem/1 var(--font-mono);
  letter-spacing: 0.06em;
  text-decoration: none;
  text-transform: uppercase;
  transform: translateY(-180%);
  transition: transform var(--transition);
}

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

.site-shell {
  display: grid;
  min-height: 100vh;
  min-height: 100svh;
  grid-template-rows: auto 1fr auto;
}

.system-header,
.system-footer {
  display: flex;
  width: min(100%, calc(var(--content-width) + (var(--page-gutter) * 2)));
  margin-inline: auto;
  padding-inline: var(--page-gutter);
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-mono);
}

.system-header {
  min-height: 4.5rem;
  border-bottom: 1px solid var(--color-line);
}

.wordmark,
.system-status,
.app-status {
  margin: 0;
}

.wordmark {
  color: var(--color-text);
  font-size: clamp(0.72rem, 1.2vw, 0.86rem);
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.system-status,
.app-status,
.nominal-status {
  display: inline-flex;
  align-items: center;
  gap: 0.62rem;
}

.system-status {
  color: var(--color-online);
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.status-dot {
  display: inline-block;
  width: 0.5rem;
  height: 0.5rem;
  flex: 0 0 auto;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 0.75rem currentColor;
}

.status--online {
  color: var(--color-online);
}

.status--pending {
  color: var(--color-pending);
}

.status--maintenance {
  color: var(--color-maintenance);
}

.status--degraded {
  color: var(--color-degraded);
}

.status--offline {
  color: var(--color-offline);
}

.system-header .status-dot {
  animation: status-pulse 3.6s ease-out infinite;
}

main {
  width: min(100%, calc(var(--content-width) + (var(--page-gutter) * 2)));
  margin-inline: auto;
  padding: clamp(3.4rem, 7vw, 6.8rem) var(--page-gutter) clamp(4rem, 7vw, 6.5rem);
}

.intro {
  max-width: 60rem;
}

.intro h1 {
  max-width: 18ch;
  margin: 0;
  font-size: clamp(2.3rem, 5vw, 5rem);
  font-weight: 620;
  letter-spacing: -0.045em;
  line-height: 0.98;
  text-wrap: balance;
}

.intro p {
  max-width: 39rem;
  margin: clamp(1.35rem, 2.5vw, 2rem) 0 0;
  color: var(--color-muted);
  font-size: clamp(1rem, 1.65vw, 1.25rem);
  line-height: 1.65;
}

.applications {
  margin-top: clamp(4rem, 8vw, 7.5rem);
}

.section-heading {
  display: flex;
  margin-bottom: 1.15rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--color-line);
  align-items: baseline;
  justify-content: space-between;
  font-family: var(--font-mono);
}

.section-heading h2 {
  margin: 0;
  color: var(--color-accent);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.section-heading > span {
  color: var(--color-dim);
  font-size: 0.67rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.application-list {
  display: grid;
  gap: 0.85rem;
}

.app-card {
  position: relative;
  display: grid;
  min-height: 8.35rem;
  padding: 0;
  overflow: hidden;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  outline: none;
  background: linear-gradient(95deg, var(--color-surface), rgba(5, 15, 21, 0.42));
  grid-template-columns: 8.25rem minmax(0, 1fr) auto 3.5rem;
  align-items: center;
  transition:
    border-color var(--transition),
    background-color var(--transition),
    box-shadow var(--transition),
    transform var(--transition);
}

.app-card::after {
  position: absolute;
  inset: 0;
  border-left: 2px solid transparent;
  content: "";
  pointer-events: none;
  transition: border-color var(--transition);
}

.app-card:hover,
.app-card:focus-visible {
  border-color: var(--color-line-strong);
  background: linear-gradient(95deg, var(--color-surface-hover), rgba(7, 22, 30, 0.62));
  box-shadow: 0 1.1rem 3.5rem rgba(0, 0, 0, 0.22);
  transform: translateY(-2px);
}

.app-card:hover::after,
.app-card:focus-visible::after {
  border-left-color: var(--color-accent);
}

.app-card:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

.module-mark {
  display: grid;
  width: 100%;
  height: 100%;
  min-height: 8.35rem;
  border-right: 1px solid var(--color-line);
  place-items: center;
}

.module-mark span {
  position: relative;
  display: block;
  width: 4.2rem;
  aspect-ratio: 1;
  border: 1px solid rgba(86, 163, 192, 0.18);
  border-radius: 0.25rem;
  background:
    linear-gradient(var(--color-accent), var(--color-accent)) left 0.6rem top 0.6rem / 0.75rem 1px no-repeat,
    linear-gradient(var(--color-accent), var(--color-accent)) left 0.6rem top 0.6rem / 1px 0.75rem no-repeat,
    linear-gradient(var(--color-accent), var(--color-accent)) right 0.6rem top 0.6rem / 0.75rem 1px no-repeat,
    linear-gradient(var(--color-accent), var(--color-accent)) right 0.6rem top 0.6rem / 1px 0.75rem no-repeat,
    linear-gradient(var(--color-accent), var(--color-accent)) left 0.6rem bottom 0.6rem / 0.75rem 1px no-repeat,
    linear-gradient(var(--color-accent), var(--color-accent)) left 0.6rem bottom 0.6rem / 1px 0.75rem no-repeat,
    linear-gradient(var(--color-accent), var(--color-accent)) right 0.6rem bottom 0.6rem / 0.75rem 1px no-repeat,
    linear-gradient(var(--color-accent), var(--color-accent)) right 0.6rem bottom 0.6rem / 1px 0.75rem no-repeat,
    radial-gradient(circle, rgba(112, 197, 229, 0.25) 0 1px, transparent 1.5px) 0 0 / 0.7rem 0.7rem,
    rgba(11, 34, 46, 0.58);
  box-shadow: inset 0 0 1.2rem rgba(43, 143, 180, 0.08);
  opacity: 0.72;
  transition: opacity var(--transition), box-shadow var(--transition);
}

.app-card:hover .module-mark span,
.app-card:focus-visible .module-mark span {
  box-shadow: inset 0 0 1.5rem rgba(43, 143, 180, 0.14), 0 0 1.6rem rgba(43, 143, 180, 0.08);
  opacity: 1;
}

.app-copy {
  min-width: 0;
  padding: 1.55rem 2rem;
}

.app-copy h3 {
  margin: 0 0 0.55rem;
  font-size: clamp(1.22rem, 2vw, 1.55rem);
  font-weight: 640;
  letter-spacing: -0.018em;
}

.app-copy p {
  max-width: 45rem;
  margin: 0;
  color: var(--color-muted);
  font-size: 0.98rem;
  line-height: 1.55;
}

.app-status {
  padding: 0.72rem 0.9rem;
  border: 1px solid color-mix(in srgb, currentColor 38%, transparent);
  border-radius: 0.3rem;
  font: 500 0.72rem/1.2 var(--font-mono);
  letter-spacing: 0.035em;
  white-space: nowrap;
}

.app-status .status-dot {
  width: 0.42rem;
  height: 0.42rem;
  box-shadow: none;
}

.future-link-indicator {
  width: 0.65rem;
  height: 0.65rem;
  margin-inline: auto;
  border-top: 1px solid var(--color-dim);
  border-right: 1px solid var(--color-dim);
  opacity: 0.6;
  transform: rotate(45deg);
  transition: border-color var(--transition), opacity var(--transition), transform var(--transition);
}

.app-card:hover .future-link-indicator,
.app-card:focus-visible .future-link-indicator {
  border-color: var(--color-accent);
  opacity: 1;
  transform: translateX(0.18rem) rotate(45deg);
}

.system-footer {
  min-height: 4.75rem;
  border-top: 1px solid var(--color-line);
  color: var(--color-muted);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
}

.host-details,
.platform-details {
  display: flex;
  align-items: center;
}

.host-details span,
.platform-details span {
  display: inline-flex;
  align-items: center;
}

.host-details span + span,
.platform-details > span + span {
  margin-left: 1.4rem;
  padding-left: 1.4rem;
  border-left: 1px solid var(--color-line);
}

.platform-details > span:first-child,
.nominal-status {
  color: var(--color-online);
}

.nominal-status .status-dot {
  display: none;
}

@keyframes status-pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(121, 211, 107, 0.42), 0 0 0.75rem currentColor;
  }
  42%,
  100% {
    box-shadow: 0 0 0 0.55rem rgba(121, 211, 107, 0), 0 0 0.75rem currentColor;
  }
}

@media (max-width: 52rem) {
  main {
    padding-top: 3.5rem;
  }

  .applications {
    margin-top: 4.5rem;
  }

  .app-card {
    grid-template-columns: 5.4rem minmax(0, 1fr) 2.75rem;
  }

  .module-mark {
    grid-row: 1 / span 2;
  }

  .module-mark span {
    width: 3.3rem;
  }

  .app-copy {
    padding: 1.35rem 1.25rem 0.7rem;
  }

  .app-status {
    width: max-content;
    margin: 0 0 1.35rem 1.25rem;
    padding: 0.55rem 0;
    border: 0;
    grid-column: 2;
  }

  .future-link-indicator {
    grid-row: 1 / span 2;
    grid-column: 3;
  }
}

@media (max-width: 36rem) {
  :root {
    --page-gutter: 1rem;
  }

  .system-header {
    min-height: 4.1rem;
  }

  .wordmark {
    letter-spacing: 0.15em;
  }

  .system-status {
    gap: 0.45rem;
    font-size: 0.68rem;
  }

  main {
    padding-top: 3rem;
    padding-bottom: 4rem;
  }

  .intro h1 {
    font-size: clamp(2.25rem, 12vw, 3.4rem);
  }

  .intro p {
    max-width: 30ch;
    font-size: 0.96rem;
    line-height: 1.6;
  }

  .applications {
    margin-top: 4rem;
  }

  .app-card {
    min-height: auto;
    grid-template-columns: minmax(0, 1fr) 2.5rem;
  }

  .module-mark {
    display: none;
  }

  .app-copy {
    padding: 1.25rem 0.5rem 0.65rem 1.1rem;
    grid-column: 1;
  }

  .app-copy h3 {
    font-size: 1.15rem;
  }

  .app-copy p {
    font-size: 0.88rem;
  }

  .app-status {
    margin: 0 0 1.2rem 1.1rem;
    font-size: 0.67rem;
    grid-column: 1;
  }

  .future-link-indicator {
    grid-row: 1 / span 2;
    grid-column: 2;
  }

  .system-footer {
    min-height: auto;
    padding-block: 1.25rem;
    align-items: flex-start;
    gap: 0.7rem;
  }

  .host-details,
  .platform-details {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.45rem;
  }

  .platform-details {
    align-items: flex-end;
  }

  .host-details span + span,
  .platform-details > span + span {
    margin-left: 0;
    padding-left: 0;
    border-left: 0;
  }

  .nominal-status .status-dot {
    display: inline-block;
    width: 0.35rem;
    height: 0.35rem;
    box-shadow: none;
  }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}