:root {
  --bg: #071822;
  --bg-alt: #0c2634;
  --accent: #2dd4bf;
  --accent-soft: rgba(45, 212, 191, 0.15);
  --text: #eef7f6;
  --text-dim: #9fb8bd;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

.backdrop {
  position: fixed;
  inset: 0;
  background:
    radial-gradient(circle at 20% 20%, var(--accent-soft), transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(45, 212, 191, 0.08), transparent 45%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-alt) 100%);
  z-index: -1;
}

main {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 2.5rem clamp(1.5rem, 5vw, 4rem);
}

header .wordmark {
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  font-weight: 600;
  color: var(--text-dim);
}

.hero {
  max-width: 640px;
  margin: auto 0;
  padding: 4rem 0;
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid var(--accent-soft);
  background: var(--accent-soft);
  padding: 0.35rem 0.8rem;
  border-radius: 999px;
  margin-bottom: 1.75rem;
}

.pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 1.8s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(1.4); }
}

h1 {
  font-size: clamp(1.9rem, 4vw, 2.75rem);
  line-height: 1.25;
  margin: 0 0 1.25rem;
  font-weight: 650;
}

.subhead {
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--text-dim);
  margin: 0 0 2.25rem;
  max-width: 52ch;
}

.cta {
  display: inline-block;
  color: var(--bg);
  background: var(--accent);
  font-weight: 600;
  text-decoration: none;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(45, 212, 191, 0.25);
}

footer {
  font-size: 0.8rem;
  color: var(--text-dim);
}