@import url("https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Space+Mono:wght@400;700&display=swap");

:root {
  --ink: #f4f7fb;
  --muted: #8290a3;
  --blue: #08111f;
  --panel: #0d1a2c;
  --line: rgba(146, 170, 199, 0.2);
  --cyan: #6df2e0;
  --violet: #987dff;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--blue);
  font-family: "DM Sans", Arial, sans-serif;
}

body::before {
  position: fixed;
  inset: 0;
  pointer-events: none;
  content: "";
  opacity: 0.28;
  background-image: linear-gradient(rgba(127, 171, 211, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(127, 171, 211, 0.05) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, black, transparent 90%);
}

.page-shell {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  max-width: 1440px;
  margin: 0 auto;
  padding: 30px 6.5vw 24px;
}

.site-header,
.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-header {
  position: relative;
  z-index: 1;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: inherit;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.04);
}

.brand-mark img {
  width: 25px;
  height: 25px;
  object-fit: contain;
  filter: invert(1);
}

.brand-name {
  color: var(--ink);
  font-family: "Space Mono", monospace;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.06em;
}

.brand-name span {
  margin: 0 3px;
  color: var(--cyan);
}

.header-status {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--muted);
  font-family: "Space Mono", monospace;
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.header-status span,
.live-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 14px var(--cyan);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.9fr);
  align-items: center;
  flex: 1;
  gap: 7vw;
  padding: 7vh 0 8vh;
}

.hero-copy {
  max-width: 640px;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 0 0 26px;
  color: var(--cyan);
  font-family: "Space Mono", monospace;
  font-size: 10px;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

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

h1 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(56px, 7vw, 102px);
  font-weight: 600;
  letter-spacing: -0.09em;
  line-height: 0.9;
}

h1 strong {
  color: var(--cyan);
  font-weight: 600;
}

.intro {
  max-width: 480px;
  margin: 34px 0 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.7;
}

.service-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 27px;
}

.service-list span {
  padding: 8px 11px;
  border: 1px solid var(--line);
  border-radius: 4px;
  color: #bbc8d6;
  font-family: "Space Mono", monospace;
  font-size: 10px;
  letter-spacing: 0.06em;
}

.notice {
  display: flex;
  align-items: center;
  gap: 14px;
  max-width: 470px;
  margin-top: 32px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.notice-icon {
  display: grid;
  flex: 0 0 29px;
  width: 29px;
  height: 29px;
  place-items: center;
  border-radius: 5px;
  color: var(--blue);
  background: var(--cyan);
  font-size: 17px;
  font-weight: 700;
}

.notice p {
  margin: 0;
  color: #c2ceda;
  font-family: "Space Mono", monospace;
  font-size: 10px;
  line-height: 1.6;
}

.tech-visual {
  position: relative;
  width: min(100%, 510px);
  aspect-ratio: 1;
  justify-self: end;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: radial-gradient(circle at center, rgba(109, 242, 224, 0.1), transparent 49%);
}

.visual-grid {
  position: absolute;
  inset: 13%;
  border: 1px dashed rgba(146, 170, 199, 0.25);
  border-radius: 50%;
}

.visual-grid::before,
.visual-grid::after {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100%;
  height: 1px;
  background: var(--line);
  content: "";
  transform: translate(-50%, -50%) rotate(45deg);
}

.visual-grid::after {
  transform: translate(-50%, -50%) rotate(-45deg);
}

.core {
  position: absolute;
  top: 50%;
  left: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 38%;
  height: 38%;
  border: 1px solid var(--cyan);
  border-radius: 50%;
  background: var(--panel);
  box-shadow: 0 0 45px rgba(109, 242, 224, 0.13), inset 0 0 25px rgba(109, 242, 224, 0.08);
  transform: translate(-50%, -50%);
}

.core-logo {
  display: grid;
  width: 37px;
  height: 37px;
  margin-bottom: 5px;
  place-items: center;
  border-radius: 8px;
  background: var(--cyan);
}

.core-logo img {
  width: 24px;
  height: 24px;
  object-fit: contain;
}

.core-label {
  color: var(--ink);
  font-family: "Space Mono", monospace;
  font-size: 14px;
  font-weight: 700;
}

.core-label span {
  color: var(--cyan);
}

.core small {
  margin-top: 4px;
  color: var(--muted);
  font-family: "Space Mono", monospace;
  font-size: 6px;
  letter-spacing: 0.12em;
}

.node {
  position: absolute;
  display: grid;
  grid-template-columns: 10px auto;
  gap: 2px 7px;
  width: 84px;
  padding: 9px 10px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: rgba(13, 26, 44, 0.92);
  font-family: "Space Mono", monospace;
  font-size: 9px;
}

.node i {
  display: block;
  grid-row: span 2;
  width: 7px;
  height: 7px;
  margin-top: 2px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 10px var(--cyan);
}

.node span {
  color: #d9e2ec;
}

.node b {
  color: var(--muted);
  font-size: 7px;
  font-weight: 400;
}

.node-top {
  top: 5%;
  left: 50%;
  transform: translateX(-50%);
}

.node-right {
  top: 47%;
  right: -7%;
}

.node-bottom {
  bottom: 5%;
  left: 50%;
  transform: translateX(-50%);
}

.node-left {
  top: 47%;
  left: -7%;
}

.signal {
  position: absolute;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--violet);
  box-shadow: 0 0 13px var(--violet);
}

.signal-one {
  top: 24%;
  right: 17%;
}

.signal-two {
  bottom: 19%;
  right: 23%;
}

.signal-three {
  top: 27%;
  left: 18%;
}

.site-footer {
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-family: "Space Mono", monospace;
  font-size: 9px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.site-footer p {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
}

@media (max-width: 760px) {
  .page-shell {
    padding: 24px 24px 20px;
  }

  .hero {
    grid-template-columns: 1fr;
    gap: 42px;
    padding: 8vh 0 9vh;
  }

  .tech-visual {
    width: min(100%, 350px);
    justify-self: center;
    order: -1;
  }

  .node-right {
    right: -3%;
  }

  .node-left {
    left: -3%;
  }

  h1 {
    font-size: clamp(55px, 15vw, 80px);
  }
}

@media (max-width: 460px) {
  .header-status {
    font-size: 8px;
  }

  .brand-name {
    font-size: 13px;
  }

  .tech-visual {
    width: min(100%, 310px);
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }
}