:root {
  color-scheme: dark;
  --bg: #08090b;
  --panel: #11151a;
  --line: #27313a;
  --text: #f1f5f4;
  --muted: #9ca9ad;
  --cyan: #4dd0c4;
  --pink: #ff4d7d;
  --gold: #ffbf5f;
  --green: #9dff78;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 20% 8%, rgba(77, 208, 196, 0.16), transparent 28rem),
    radial-gradient(circle at 82% 28%, rgba(255, 77, 125, 0.14), transparent 26rem),
    linear-gradient(180deg, #08090b 0%, #0c1114 52%, #090a0c 100%);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

main {
  overflow: hidden;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(320px, 0.98fr);
  gap: clamp(2rem, 6vw, 5rem);
  min-height: 88vh;
  align-items: center;
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
  padding: clamp(3rem, 8vw, 7rem) 0 3rem;
}

.eyebrow {
  margin: 0 0 1rem;
  color: var(--cyan);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  max-width: 11ch;
  margin-bottom: 1.2rem;
  font-size: clamp(4.3rem, 13vw, 10.5rem);
  line-height: 0.82;
  letter-spacing: 0;
}

.lede {
  max-width: 39rem;
  color: var(--muted);
  font-size: clamp(1.08rem, 2vw, 1.45rem);
  line-height: 1.55;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 2rem;
}

.actions a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.9rem;
  padding: 0 1.1rem;
  border: 1px solid var(--cyan);
  border-radius: 5px;
  background: var(--cyan);
  color: #06100f;
  font-weight: 800;
  text-decoration: none;
}

.actions .ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--line);
}

.scope {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(17, 21, 26, 0.72);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.36);
  padding: clamp(1rem, 3vw, 1.5rem);
}

.scope__top,
.scope__labels {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  color: var(--muted);
  font-size: 0.86rem;
}

.scope__top strong {
  color: var(--text);
}

.scope__grid {
  position: relative;
  height: clamp(18rem, 45vw, 28rem);
  margin: 1rem 0;
  overflow: hidden;
  border: 1px solid #1f2a31;
  border-radius: 6px;
  background:
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(180deg, rgba(77, 208, 196, 0.08), rgba(255, 77, 125, 0.06));
  background-size: 100% 14.285%, 12.5% 100%, 100% 100%;
}

.band,
.carrier,
.sideband {
  position: absolute;
  top: 0;
  bottom: 0;
}

.band--sub {
  left: 0;
  width: 18%;
  background: rgba(255, 191, 95, 0.14);
}

.carrier {
  left: 48%;
  width: 3px;
  background: var(--pink);
  box-shadow: 0 0 24px var(--pink);
}

.sideband {
  width: 2px;
  background: var(--cyan);
  opacity: 0.8;
}

.sideband--left {
  left: 34%;
}

.sideband--right {
  left: 64%;
}

.feature-band {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.feature-band article {
  min-height: 18rem;
  padding: clamp(1.25rem, 4vw, 2.4rem);
  border-right: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.025);
}

.feature-band article:last-child {
  border-right: 0;
}

.feature-band span {
  color: var(--gold);
  font-weight: 900;
}

.feature-band h2,
.use-cases h2,
.status h2 {
  margin: 1rem 0 0.75rem;
  font-size: clamp(1.35rem, 2.2vw, 2rem);
  line-height: 1.08;
}

.feature-band p,
.status p {
  color: var(--muted);
  line-height: 1.55;
}

.use-cases {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1.1fr);
  gap: clamp(2rem, 6vw, 5rem);
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
  padding: clamp(4rem, 9vw, 7rem) 0;
}

.use-cases h2 {
  font-size: clamp(2.2rem, 6vw, 5.6rem);
}

.use-cases ul {
  display: grid;
  gap: 0.85rem;
  align-content: start;
  margin: 0;
  padding: 0;
  list-style: none;
}

.use-cases li {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 1rem 1.1rem;
  background: rgba(17, 21, 26, 0.66);
  color: #d9e2e2;
}

.status {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(280px, 1.1fr);
  gap: 2rem;
  align-items: center;
  border-top: 1px solid var(--line);
  padding: clamp(2rem, 5vw, 3.2rem) max(1rem, calc((100vw - 1180px) / 2));
  background: #0b0e11;
}

@media (max-width: 860px) {
  .hero,
  .use-cases,
  .status {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .feature-band {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 560px) {
  .feature-band {
    grid-template-columns: 1fr;
  }

  .feature-band article {
    min-height: auto;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .scope__labels {
    font-size: 0.74rem;
  }
}