:root {
  color-scheme: dark;
  --bg: #05090d;
  --surface: rgba(8, 15, 21, 0.86);
  --text: #e8f0f2;
  --muted: #71808a;
  --muted-bright: #a8b4ba;
  --line: rgba(123, 159, 176, 0.18);
  --line-bright: rgba(123, 196, 219, 0.34);
  --cyan: #43d9ff;
  --green: #75f6a4;
  --violet: #a68cff;
  --amber: #f7c86f;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  background: var(--bg);
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  color: var(--text);
  background:
    radial-gradient(circle at 74% 10%, rgba(58, 160, 192, 0.1), transparent 30rem),
    radial-gradient(circle at 10% 65%, rgba(76, 240, 143, 0.04), transparent 27rem),
    var(--bg);
  font-family: "IBM Plex Mono", "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
}

.page-grid {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.56;
  background-image:
    linear-gradient(rgba(93, 140, 158, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(93, 140, 158, 0.045) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(to bottom, black 0%, rgba(0, 0, 0, 0.5) 72%, transparent 100%);
}

.shell {
  width: min(1460px, calc(100% - 64px));
  margin-inline: auto;
}

.topbar {
  display: flex;
  min-height: 86px;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 13px;
  color: var(--text);
  text-decoration: none;
}

.brand-symbol {
  display: flex;
  width: 30px;
  height: 30px;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
}

.brand-symbol i {
  display: block;
  height: 3px;
  background: var(--cyan);
  box-shadow: 0 0 13px rgba(67, 217, 255, 0.28);
}

.brand-symbol i:nth-child(1) { width: 30px; }
.brand-symbol i:nth-child(2) { width: 22px; background: var(--green); }
.brand-symbol i:nth-child(3) { width: 14px; background: var(--violet); }

.brand-name {
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.brand-name span {
  color: var(--cyan);
}

.brand-tag {
  padding-left: 14px;
  border-left: 1px solid var(--line-bright);
  color: var(--muted);
  font-size: 0.66rem;
  letter-spacing: 0.12em;
}

.topbar-meta {
  display: flex;
  align-items: center;
  gap: 30px;
  color: var(--muted-bright);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
}

.system-state,
.available {
  display: inline-flex;
  align-items: center;
  gap: 9px;
}

.system-state i,
.available i,
.service-status i {
  width: 6px;
  height: 6px;
  background: var(--green);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(117, 246, 164, 0.08), 0 0 12px rgba(117, 246, 164, 0.38);
}

main {
  padding-top: clamp(92px, 10vw, 152px);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 2.1fr) minmax(280px, 0.7fr);
  gap: clamp(48px, 8vw, 130px);
  align-items: end;
}

.eyebrow {
  margin: 0 0 25px;
  color: var(--muted);
  font-size: 0.69rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.eyebrow span {
  color: var(--green);
}

h1 {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: clamp(3.8rem, 7.45vw, 8.15rem);
  font-weight: 540;
  letter-spacing: -0.075em;
  line-height: 0.91;
}

h1 em {
  color: var(--cyan);
  font-style: normal;
  text-shadow: 0 0 36px rgba(67, 217, 255, 0.09);
}

.hero-intro {
  margin: 0 0 8px;
  color: var(--muted-bright);
  font-family: Inter, ui-sans-serif, system-ui, sans-serif;
  font-size: clamp(1rem, 1.4vw, 1.18rem);
  line-height: 1.72;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: clamp(92px, 12vw, 175px);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.metrics article {
  position: relative;
  min-height: 178px;
  padding: 22px 28px 27px;
}

.metrics article + article {
  border-left: 1px solid var(--line);
}

.metric-index,
.metrics small {
  display: block;
  color: var(--muted);
  font-size: 0.59rem;
  letter-spacing: 0.12em;
}

.metrics strong {
  display: block;
  margin: 39px 0 10px;
  font-family: Inter, ui-sans-serif, system-ui, sans-serif;
  font-size: clamp(1.65rem, 2.65vw, 2.8rem);
  font-weight: 590;
  letter-spacing: -0.045em;
}

.metrics strong b,
.metrics strong span {
  color: var(--cyan);
  font-weight: inherit;
}

.metrics article:nth-child(2) strong span { color: var(--green); }
.metrics article:nth-child(3) strong { color: var(--violet); }

.section-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 78px 0 15px;
  color: var(--muted);
  font-size: 0.6rem;
  letter-spacing: 0.13em;
}

.section-heading span:first-child {
  color: var(--muted-bright);
}

.operations {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(320px, 0.8fr);
  gap: 14px;
}

.panel,
.service-card {
  border: 1px solid var(--line);
  background:
    linear-gradient(145deg, rgba(15, 27, 36, 0.84), rgba(6, 12, 17, 0.74)),
    var(--surface);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.018);
}

.panel {
  min-height: 510px;
  padding: 25px 27px 21px;
}

.panel-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
}

.panel-kicker,
.available,
.signal-state span {
  color: var(--muted);
  font-size: 0.58rem;
  letter-spacing: 0.12em;
}

.panel h2,
.service-card h2,
.architecture h2 {
  margin: 8px 0 0;
  font-family: Inter, ui-sans-serif, system-ui, sans-serif;
  font-size: 1.05rem;
  font-weight: 570;
  letter-spacing: -0.02em;
}

.available {
  color: var(--green);
}

.canvas-wrap {
  position: relative;
  overflow: hidden;
}

.map-wrap {
  height: 364px;
  margin-top: 25px;
  border-top: 1px solid rgba(123, 159, 176, 0.1);
  border-bottom: 1px solid rgba(123, 159, 176, 0.1);
}

canvas {
  display: block;
  width: 100%;
  height: 100%;
}

.core-label {
  position: absolute;
  left: 48%;
  top: 49%;
  display: flex;
  min-width: 118px;
  padding: 8px 10px;
  flex-direction: column;
  gap: 3px;
  transform: translate(12px, 10px);
  border: 1px solid rgba(67, 217, 255, 0.25);
  background: rgba(5, 10, 14, 0.82);
  pointer-events: none;
}

.core-label span {
  color: var(--muted);
  font-size: 0.48rem;
  letter-spacing: 0.13em;
}

.core-label strong {
  color: var(--cyan);
  font-size: 0.64rem;
  letter-spacing: 0.08em;
}

.map-legend {
  display: flex;
  gap: 27px;
  padding-top: 18px;
  color: var(--muted);
  font-size: 0.52rem;
  letter-spacing: 0.1em;
}

.map-legend span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.map-legend i {
  width: 19px;
  height: 1px;
}

.map-legend .cyan { background: var(--cyan); }
.map-legend .green { background: var(--green); }
.map-legend .violet { background: var(--violet); }

.live-dot {
  width: 8px;
  height: 8px;
  margin-top: 8px;
  background: var(--cyan);
  border-radius: 50%;
  box-shadow: 0 0 0 5px rgba(67, 217, 255, 0.07), 0 0 16px rgba(67, 217, 255, 0.42);
  animation: breathe 2.2s ease-in-out infinite;
}

.signal-state {
  display: flex;
  margin-top: 55px;
  align-items: end;
  justify-content: space-between;
}

.signal-state strong {
  color: var(--green);
  font-family: Inter, ui-sans-serif, system-ui, sans-serif;
  font-size: clamp(2.5rem, 4.4vw, 4.5rem);
  font-weight: 560;
  letter-spacing: -0.055em;
  line-height: 1;
}

.pulse-wrap {
  height: 146px;
  margin-top: 27px;
  border-top: 1px solid rgba(123, 159, 176, 0.1);
  border-bottom: 1px solid rgba(123, 159, 176, 0.1);
}

.signal-facts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin: 24px 0 0;
}

.signal-facts div + div {
  padding-left: 16px;
  border-left: 1px solid var(--line);
}

.signal-facts dt,
.signal-facts dd {
  margin: 0;
  font-size: 0.52rem;
  letter-spacing: 0.1em;
}

.signal-facts dt { color: var(--muted); }

.signal-facts dd {
  margin-top: 8px;
  color: var(--muted-bright);
  font-size: 0.7rem;
}

.section-gap {
  margin-top: 104px;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.service-card {
  position: relative;
  min-height: 324px;
  padding: 24px;
}

.service-code {
  color: var(--muted);
  font-size: 0.58rem;
  letter-spacing: 0.12em;
}

.service-icon {
  position: relative;
  width: 74px;
  height: 74px;
  margin: 40px 0 34px;
  border: 1px solid rgba(67, 217, 255, 0.14);
  background: rgba(67, 217, 255, 0.025);
}

.icon-delivery {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

.icon-delivery i {
  width: 6px;
  height: 30px;
  background: var(--cyan);
  box-shadow: 0 0 14px rgba(67, 217, 255, 0.25);
}

.icon-delivery i:nth-child(2) { height: 44px; background: var(--green); }
.icon-delivery i:nth-child(3) { height: 20px; background: var(--violet); }

.icon-shield i {
  position: absolute;
  inset: 15px 19px;
  border: 1px solid var(--green);
  border-radius: 48% 48% 54% 54% / 28% 28% 70% 70%;
  box-shadow: inset 0 0 18px rgba(117, 246, 164, 0.08), 0 0 16px rgba(117, 246, 164, 0.12);
}

.icon-route i {
  position: absolute;
  width: 7px;
  height: 7px;
  background: var(--violet);
  border-radius: 50%;
  box-shadow: 0 0 10px rgba(166, 140, 255, 0.45);
}

.icon-route i:nth-child(1) { left: 13px; top: 17px; }
.icon-route i:nth-child(2) { right: 13px; top: 31px; }
.icon-route i:nth-child(3) { left: 25px; bottom: 13px; }

.icon-route::before,
.icon-route::after {
  content: "";
  position: absolute;
  left: 19px;
  top: 22px;
  width: 38px;
  height: 1px;
  background: var(--violet);
  transform: rotate(20deg);
  transform-origin: left;
  opacity: 0.55;
}

.icon-route::after {
  left: 30px;
  top: 56px;
  width: 31px;
  transform: rotate(-46deg);
}

.icon-private i:first-child {
  position: absolute;
  left: 23px;
  top: 31px;
  width: 28px;
  height: 23px;
  border: 1px solid var(--amber);
}

.icon-private i:last-child {
  position: absolute;
  left: 29px;
  top: 17px;
  width: 16px;
  height: 18px;
  border: 1px solid var(--amber);
  border-bottom: 0;
  border-radius: 10px 10px 0 0;
}

.service-card p {
  min-height: 59px;
  margin: 13px 0 23px;
  color: var(--muted);
  font-family: Inter, ui-sans-serif, system-ui, sans-serif;
  font-size: 0.83rem;
  line-height: 1.55;
}

.service-status {
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--muted-bright);
  font-size: 0.55rem;
  letter-spacing: 0.12em;
}

.service-status i {
  width: 5px;
  height: 5px;
}

.architecture {
  display: grid;
  grid-template-columns: minmax(280px, 0.72fr) minmax(0, 1.28fr);
  gap: clamp(60px, 10vw, 170px);
  margin: clamp(125px, 15vw, 210px) 0 135px;
  align-items: center;
}

.architecture h2 {
  margin-top: 0;
  font-size: clamp(2.15rem, 4.4vw, 4.6rem);
  line-height: 1.02;
  letter-spacing: -0.06em;
}

.architecture-copy > p:last-child {
  max-width: 560px;
  margin: 31px 0 0;
  color: var(--muted-bright);
  font-family: Inter, ui-sans-serif, system-ui, sans-serif;
  font-size: 0.95rem;
  line-height: 1.7;
}

.layer-stack {
  border-top: 1px solid var(--line);
}

.layer-stack div {
  display: grid;
  grid-template-columns: 1fr 1.3fr auto;
  gap: 20px;
  min-height: 78px;
  padding: 0 18px;
  align-items: center;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(90deg, rgba(67, 217, 255, 0.025), transparent 48%);
  transition: background 180ms ease, border-color 180ms ease;
}

.layer-stack div:hover {
  border-color: var(--line-bright);
  background: linear-gradient(90deg, rgba(67, 217, 255, 0.065), transparent 65%);
}

.layer-stack span,
.layer-stack i {
  color: var(--muted);
  font-size: 0.56rem;
  font-style: normal;
  letter-spacing: 0.12em;
}

.layer-stack b {
  color: var(--muted-bright);
  font-size: 0.67rem;
  font-weight: 500;
  letter-spacing: 0.1em;
}

.layer-stack i {
  color: var(--cyan);
}

.footer {
  display: flex;
  min-height: 112px;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.56rem;
  letter-spacing: 0.1em;
}

.footer > div {
  display: flex;
  gap: 25px;
}

.footer-brand {
  color: var(--text);
}

@keyframes breathe {
  0%, 100% { opacity: 0.45; transform: scale(0.8); }
  50% { opacity: 1; transform: scale(1); }
}

@media (max-width: 1050px) {
  .hero { grid-template-columns: 1fr; }
  .hero-intro { max-width: 610px; }
  .operations { grid-template-columns: 1fr; }
  .pulse-panel { min-height: 400px; }
  .signal-state { margin-top: 40px; }
  .service-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 760px) {
  .shell {
    width: min(100% - 30px, 1460px);
  }

  .topbar {
    min-height: 74px;
  }

  .brand-tag,
  .clock {
    display: none;
  }

  .topbar-meta {
    font-size: 0.58rem;
  }

  main {
    padding-top: 76px;
  }

  h1 {
    font-size: clamp(3.2rem, 16vw, 5.7rem);
    line-height: 0.92;
  }

  .metrics {
    grid-template-columns: repeat(2, 1fr);
    margin-top: 85px;
  }

  .metrics article {
    min-height: 145px;
    padding: 18px;
  }

  .metrics article:nth-child(3) {
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .metrics article:nth-child(4) {
    border-top: 1px solid var(--line);
  }

  .metrics strong {
    margin-top: 30px;
  }

  .section-heading span:last-child {
    display: none;
  }

  .panel {
    min-height: auto;
    padding: 19px 17px;
  }

  .map-wrap {
    height: 330px;
  }

  .core-label {
    display: none;
  }

  .map-legend {
    gap: 15px;
    overflow-x: auto;
    white-space: nowrap;
  }

  .signal-facts {
    margin-bottom: 8px;
  }

  .service-grid {
    grid-template-columns: 1fr;
  }

  .service-card {
    min-height: 295px;
  }

  .architecture {
    grid-template-columns: 1fr;
    margin: 115px 0 100px;
  }

  .layer-stack div {
    grid-template-columns: 1fr auto;
  }

  .layer-stack b {
    display: none;
  }

  .footer {
    gap: 20px;
    padding: 28px 0;
    align-items: flex-start;
  }

  .footer > div {
    flex-direction: column;
    gap: 8px;
  }

  .footer > div:last-child {
    text-align: right;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .live-dot { animation: none; }
  .layer-stack div { transition: none; }
}

/* Adapt the longer domain label and keep reading text comfortable. */
.topbar { gap: 1rem; flex-wrap: wrap; padding-block: 1.1rem; }
.hero-intro, .service-card p, .architecture-copy > p:not(.eyebrow) { font-size: 1rem; }
@media (max-width: 760px) {
  .brand-name { font-size: clamp(0.875rem, 3.9vw, 1rem); }
  .topbar-meta { font-size: 0.75rem; }
}