:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #07111f;
  color: #eef6ff;
}

* {
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  margin: 0;
  background:
    radial-gradient(circle at 82% 12%, rgba(45, 212, 191, 0.2), transparent 32rem),
    radial-gradient(circle at 8% 88%, rgba(56, 189, 248, 0.16), transparent 28rem),
    linear-gradient(145deg, #07111f, #0b1d32 52%, #07111f);
}

.shell {
  width: min(1120px, calc(100% - 2rem));
  min-height: 100vh;
  margin: 0 auto;
  display: grid;
  grid-template-rows: 1fr auto;
  padding: clamp(2rem, 6vw, 5rem) 0 2rem;
}

.hero {
  align-self: center;
  max-width: 820px;
}

.mark {
  width: 4.25rem;
  height: 4.25rem;
  display: grid;
  place-items: center;
  margin-bottom: 2.5rem;
  border: 1px solid rgba(94, 234, 212, 0.45);
  border-radius: 1.35rem;
  background: linear-gradient(145deg, rgba(45, 212, 191, 0.2), rgba(56, 189, 248, 0.08));
  box-shadow: 0 1.5rem 4rem rgba(8, 145, 178, 0.16);
  color: #99f6e4;
  font-size: 2rem;
  font-weight: 800;
}

.eyebrow {
  margin: 0 0 1rem;
  color: #5eead4;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

h1 {
  max-width: 14ch;
  margin: 0;
  font-size: clamp(3rem, 8vw, 6.5rem);
  line-height: 0.98;
  letter-spacing: -0.055em;
}

.summary {
  max-width: 650px;
  margin: 2rem 0;
  color: #b9cbe0;
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  line-height: 1.65;
}

.status {
  width: fit-content;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.8rem 1rem;
  border: 1px solid rgba(148, 163, 184, 0.18);
  border-radius: 999px;
  background: rgba(15, 35, 58, 0.72);
  color: #d8e7f5;
  font-size: 0.9rem;
}

.pulse {
  width: 0.65rem;
  height: 0.65rem;
  border-radius: 50%;
  background: #2dd4bf;
  box-shadow: 0 0 0 0.35rem rgba(45, 212, 191, 0.14);
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(148, 163, 184, 0.15);
  color: #7890aa;
  font-size: 0.85rem;
}

@media (max-width: 620px) {
  footer {
    align-items: flex-start;
    flex-direction: column;
  }
}