:root {
  color-scheme: dark;
  --bg: #020b16;
  --surface: #071524;
  --surface-raised: #0a1b2c;
  --line: rgba(148, 180, 208, 0.14);
  --text: #f3f7fb;
  --muted: #aebdca;
  --accent: #12df72;
  --accent-deep: #009f58;
  --accent-soft: rgba(18, 223, 114, 0.12);
  --blue: #2374ff;
  --purple: #8e41f4;
}

* {
  box-sizing: border-box;
}

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

body {
  min-height: 100vh;
  margin: 0;
  color: var(--text);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  background:
    radial-gradient(circle at 10% 8%, rgba(21, 102, 145, 0.16), transparent 32rem),
    radial-gradient(circle at 90% 80%, rgba(18, 223, 114, 0.08), transparent 34rem),
    var(--bg);
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 72px 72px;
  content: "";
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.45), transparent 82%);
}

.landing-shell {
  display: grid;
  width: min(1160px, calc(100% - 48px));
  min-height: 100vh;
  margin: 0 auto;
  grid-template-rows: auto 1fr auto;
}

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

.site-header {
  padding: 32px 0;
  border-bottom: 1px solid var(--line);
}

.brand-lockup {
  display: flex;
  align-items: center;
  gap: 16px;
}

.wordmark {
  display: block;
  width: 180px;
  height: 52px;
  overflow: hidden;
  text-decoration: none;
}

.wordmark img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.brand-byline {
  padding-left: 16px;
  border-left: 1px solid var(--line);
  color: #8195a8;
  font-size: 0.68rem;
  font-weight: 650;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.status,
.eyebrow {
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.status {
  padding: 9px 12px;
  border: 1px solid rgba(66, 211, 178, 0.35);
  border-radius: 999px;
  background: var(--accent-soft);
}

.hero {
  display: grid;
  padding: clamp(64px, 10vh, 120px) 0;
  align-items: center;
  gap: clamp(48px, 7vw, 96px);
  grid-template-columns: minmax(0, 1.2fr) minmax(310px, 0.8fr);
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 24px;
}

.eyebrow span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 20px rgba(18, 223, 114, 0.8);
}

h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(3rem, 8vw, 6.8rem);
  font-weight: 720;
  letter-spacing: -0.065em;
  line-height: 0.96;
  text-wrap: balance;
}

h1 span {
  display: block;
  margin-top: 0.18em;
  color: var(--muted);
  font-weight: 560;
}

.hero p {
  max-width: 650px;
  margin: 32px 0 0;
  color: var(--muted);
  font-size: clamp(1rem, 1.7vw, 1.2rem);
  line-height: 1.7;
}

.signal-panel {
  position: relative;
  padding: 26px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 18px;
  background:
    linear-gradient(135deg, rgba(35, 116, 255, 0.08), transparent 38%),
    linear-gradient(315deg, rgba(142, 65, 244, 0.07), transparent 38%),
    var(--surface);
  box-shadow: 0 28px 90px rgba(0, 0, 0, 0.34);
}

.signal-panel::before {
  position: absolute;
  top: 0;
  left: 28px;
  width: 86px;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent);
  content: "";
}

.panel-heading,
.path-step,
.panel-footer {
  display: flex;
  align-items: center;
}

.panel-heading {
  justify-content: space-between;
  gap: 20px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--line);
}

.panel-label {
  color: #71879b;
  font-size: 0.64rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.panel-heading h2 {
  margin: 5px 0 0;
  font-size: 1.05rem;
}

.live-dot {
  padding: 7px 9px;
  border: 1px solid rgba(18, 223, 114, 0.25);
  border-radius: 999px;
  color: var(--accent);
  background: var(--accent-soft);
  font-size: 0.62rem;
  font-weight: 700;
}

.signal-path {
  padding: 28px 0;
}

.path-step {
  gap: 14px;
  padding: 15px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface-raised);
}

.path-step.active {
  border-color: rgba(18, 223, 114, 0.32);
  background: linear-gradient(90deg, rgba(18, 223, 114, 0.12), var(--surface-raised));
}

.step-number {
  color: var(--accent);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.7rem;
}

.path-step div {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.path-step strong {
  font-size: 0.84rem;
}

.path-step small {
  color: #71879b;
  font-size: 0.68rem;
}

.path-line {
  display: block;
  width: 1px;
  height: 14px;
  margin-left: 33px;
  background: linear-gradient(var(--blue), var(--purple));
  opacity: 0.65;
}

.panel-footer {
  gap: 9px;
  padding: 14px 16px;
  border: 1px solid rgba(18, 223, 114, 0.18);
  border-radius: 11px;
  color: #9db1c2;
  background: rgba(18, 223, 114, 0.06);
  font-size: 0.72rem;
}

.pulse {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 14px rgba(18, 223, 114, 0.72);
}

footer {
  gap: 24px;
  padding: 24px 0 32px;
  border-top: 1px solid var(--line);
  color: #7f93a6;
  font-size: 0.78rem;
}

@media (max-width: 640px) {
  .landing-shell {
    width: min(100% - 32px, 1160px);
  }

  .site-header {
    padding: 22px 0;
  }

  .brand-lockup {
    gap: 8px;
  }

  .wordmark {
    width: 136px;
    height: 42px;
  }

  .brand-byline {
    padding-left: 8px;
    font-size: 0.55rem;
  }

  .status {
    padding: 8px 10px;
    font-size: 0.62rem;
  }

  .hero {
    padding: 72px 0;
    grid-template-columns: 1fr;
  }

  h1 {
    font-size: clamp(2.65rem, 14vw, 4.25rem);
  }

  footer {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (min-width: 641px) and (max-width: 960px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .signal-panel {
    max-width: 560px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
  }
}