:root {
  --ink: #f1f5f4;
  --muted: #8f9a9a;
  --line: rgba(213, 230, 228, 0.16);
  --panel: rgba(12, 18, 22, 0.74);
  --signal: #74f0cf;
  --background: #05080a;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--background);
  color-scheme: dark;
}

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  background:
    radial-gradient(circle at 78% 24%, rgba(25, 93, 104, 0.14), transparent 32rem),
    radial-gradient(circle at 15% 72%, rgba(39, 75, 70, 0.1), transparent 28rem),
    var(--background);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  text-rendering: optimizeLegibility;
}

a {
  color: inherit;
  text-decoration: none;
}

.site-shell {
  position: relative;
  display: grid;
  min-height: 100vh;
  grid-template-rows: auto 1fr auto auto;
  overflow: hidden;
}

.site-shell::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.018) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(to bottom, black, transparent 82%);
  content: "";
  pointer-events: none;
}

.topbar,
.hero,
.capabilities,
.footer {
  width: min(1420px, calc(100% - 96px));
  margin-inline: auto;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 104px;
  border-bottom: 1px solid var(--line);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.68rem;
  letter-spacing: 0.16em;
}

.brand,
.node-label,
.status-line,
.visual-meta {
  display: flex;
  align-items: center;
}

.brand {
  gap: 15px;
  font-weight: 700;
}

.brand-mark {
  display: grid;
  width: 25px;
  height: 25px;
  place-items: center;
  border: 1px solid rgba(116, 240, 207, 0.48);
  border-radius: 50%;
}

.brand-mark span {
  position: absolute;
  width: 11px;
  height: 1px;
  background: var(--signal);
  transform: rotate(45deg);
}

.brand-mark span:last-child {
  transform: rotate(-45deg);
}

.node-label {
  gap: 13px;
  color: var(--muted);
}

.node-separator {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 12px rgba(116, 240, 207, 0.75);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.06fr) minmax(420px, 0.94fr);
  gap: clamp(64px, 8vw, 132px);
  align-items: center;
  padding-block: clamp(76px, 11vh, 150px);
}

.hero-copy {
  max-width: 740px;
}

.eyebrow,
.visual-meta,
.status-line,
.capability-index,
.footer {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.eyebrow {
  margin: 0 0 34px;
  color: var(--signal);
  font-size: 0.69rem;
}

h1 {
  max-width: 770px;
  margin: 0;
  font-size: clamp(4rem, 7.4vw, 8.2rem);
  font-weight: 480;
  letter-spacing: -0.07em;
  line-height: 0.84;
}

h1 span {
  display: block;
  color: #7b8586;
  font-weight: 390;
}

.intro {
  max-width: 610px;
  margin: 42px 0 0;
  color: #aeb7b6;
  font-size: clamp(1rem, 1.35vw, 1.28rem);
  font-weight: 350;
  line-height: 1.65;
}

.status-line {
  gap: 12px;
  margin-top: 45px;
  font-size: 0.64rem;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 0 5px rgba(116, 240, 207, 0.09), 0 0 18px rgba(116, 240, 207, 0.6);
  animation: status-pulse 2.2s ease-in-out infinite;
}

.status-rule {
  width: 55px;
  height: 1px;
  margin-inline: 8px;
  background: var(--line);
}

.status-meta {
  color: var(--muted);
}

.visual-card {
  position: relative;
  margin: 0;
  padding: 18px;
  border: 1px solid var(--line);
  background: linear-gradient(145deg, rgba(21, 31, 36, 0.68), rgba(8, 12, 15, 0.82));
  box-shadow: 0 38px 100px rgba(0, 0, 0, 0.34);
}

.visual-card::after {
  position: absolute;
  inset: -1px;
  border: 1px solid transparent;
  border-image: linear-gradient(145deg, rgba(116, 240, 207, 0.28), transparent 28%) 1;
  content: "";
  pointer-events: none;
}

.visual-meta {
  justify-content: space-between;
  color: var(--muted);
  font-size: 0.57rem;
}

.visual-meta-top {
  padding: 2px 0 17px;
}

.visual-meta-bottom {
  padding: 17px 0 2px;
}

.video-stage {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  background: #07141d url("/assets/edge-particles-poster.jpg") center / cover no-repeat;
}

.video-stage::after {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(4, 10, 13, 0.08), rgba(4, 10, 13, 0.26)),
    radial-gradient(circle at 50% 30%, transparent 20%, rgba(3, 8, 11, 0.16));
  content: "";
  pointer-events: none;
}

.video-stage video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.76) contrast(1.08) brightness(0.82) hue-rotate(7deg);
}

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

.capabilities article {
  position: relative;
  min-height: 165px;
  padding: 32px 36px 34px 0;
}

.capabilities article + article {
  padding-left: 36px;
  border-left: 1px solid var(--line);
}

.capability-index {
  display: block;
  margin-bottom: 25px;
  color: var(--signal);
  font-size: 0.57rem;
}

.capabilities h2 {
  margin: 0 0 10px;
  font-size: 0.9rem;
  font-weight: 590;
  letter-spacing: 0.01em;
}

.capabilities p {
  max-width: 290px;
  margin: 0;
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.55;
}

.footer {
  display: flex;
  justify-content: space-between;
  padding-block: 31px 36px;
  color: #687273;
  font-size: 0.55rem;
}

.error-page {
  display: flex;
  min-height: 100vh;
  width: min(760px, calc(100% - 48px));
  margin-inline: auto;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
}

.error-page h1 {
  font-size: clamp(3.6rem, 9vw, 7.8rem);
}

.error-page .intro {
  margin-top: 34px;
}

.error-link {
  margin-top: 38px;
  border-bottom: 1px solid var(--signal);
  color: var(--signal);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  line-height: 2;
  text-transform: uppercase;
}

@keyframes status-pulse {
  50% {
    opacity: 0.55;
    transform: scale(0.82);
  }
}

@media (max-width: 980px) {
  .topbar,
  .hero,
  .capabilities,
  .footer {
    width: min(100% - 48px, 720px);
  }

  .hero {
    grid-template-columns: 1fr;
    gap: 64px;
  }

  h1 {
    font-size: clamp(4.5rem, 13vw, 7.1rem);
  }

  .visual-card {
    width: min(100%, 660px);
  }
}

@media (max-width: 680px) {
  .topbar,
  .hero,
  .capabilities,
  .footer {
    width: calc(100% - 36px);
  }

  .topbar {
    min-height: 82px;
  }

  .node-label span:first-child,
  .node-separator {
    display: none;
  }

  .hero {
    padding-block: 70px 78px;
  }

  .eyebrow {
    margin-bottom: 25px;
  }

  h1 {
    font-size: clamp(3.55rem, 17.5vw, 5.2rem);
    line-height: 0.89;
  }

  .intro {
    margin-top: 32px;
    font-size: 0.98rem;
  }

  .status-line {
    flex-wrap: wrap;
    margin-top: 36px;
  }

  .status-rule,
  .status-meta {
    display: none;
  }

  .visual-card {
    padding: 12px;
  }

  .visual-meta-bottom span:last-child {
    display: none;
  }

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

  .capabilities article,
  .capabilities article + article {
    min-height: auto;
    padding: 28px 0;
    border-left: 0;
  }

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

  .capability-index {
    margin-bottom: 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .status-dot {
    animation: none;
  }

  .video-stage video {
    display: none;
  }
}