:root {
  --bg: #e6ece7;
  --ink: #18302b;
  --muted: #4f6660;
  --line: #b3c4bd;
  --line-major: #8aa29a;
  --accent: #2f55c8;
  --font: "Avenir Next", "Avenir", "Segoe UI Variable Display", "Segoe UI", "Ubuntu", "Cantarell", "Noto Sans", system-ui, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #101a18;
    --ink: #dde7e2;
    --muted: #9ab0a8;
    --line: #22332f;
    --line-major: #36504a;
    --accent: #8ea6ff;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100svh;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  -webkit-font-smoothing: antialiased;
  display: grid;
  grid-template-rows: auto 1fr auto;
  padding: clamp(20px, 5vw, 64px);
  overflow-x: hidden;
}

#field {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  -webkit-mask-image: radial-gradient(ellipse 70% 65% at 0% 50%, transparent 30%, #000 78%);
          mask-image: radial-gradient(ellipse 70% 65% at 0% 50%, transparent 30%, #000 78%);
}

header, main, footer { position: relative; z-index: 1; }

.brand {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.04em;
}
.brand span {
  font-weight: 400;
  letter-spacing: -0.01em;
  color: var(--muted);
}

main {
  align-self: center;
  max-width: 40rem;
  padding: 3rem 0;
}

h1 {
  margin: 0;
  font-size: clamp(2.5rem, 7vw, 5rem);
  font-weight: 700;
  line-height: 0.95;
  letter-spacing: -0.045em;
}

.status {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin: 0 0 1.25rem;
  color: var(--muted);
  font-size: 1rem;
}
.status::before {
  content: "";
  width: 0.6rem;
  height: 0.6rem;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0 var(--accent);
  animation: beacon 2.4s ease-out infinite;
}
@keyframes beacon {
  0%   { box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent) 55%, transparent); }
  70%  { box-shadow: 0 0 0 0.6rem color-mix(in srgb, var(--accent) 0%, transparent); }
  100% { box-shadow: 0 0 0 0 transparent; }
}

p.body {
  margin: 1.25rem 0 0;
  max-width: 38ch;
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  line-height: 1.55;
}

button, .button {
  display: inline-block;
  margin-top: 2rem;
  font: inherit;
  font-size: 1rem;
  font-weight: 600;
  padding: 0.8rem 1.4rem;
  border: 0;
  border-radius: 6px;
  background: var(--ink);
  color: var(--bg);
  cursor: pointer;
  text-decoration: none;
}
button:hover, .button:hover { background: var(--accent); color: #fff; }
button:focus-visible, .button:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }
button[disabled] { opacity: 0.6; cursor: progress; }

.status--static::before {
  animation: none;
  background: var(--muted);
}

footer {
  color: var(--muted);
  font-size: 0.875rem;
}

@media (prefers-reduced-motion: reduce) {
  .status::before { animation: none; }
}
@media (max-width: 480px) {
  #field {
    -webkit-mask-image: linear-gradient(to bottom, #000 0%, transparent 25%, transparent 80%, #000 100%);
            mask-image: linear-gradient(to bottom, #000 0%, transparent 25%, transparent 80%, #000 100%);
  }
}