:root {
  --bg: #252527;
  --panel: rgba(8, 13, 20, 0.72);
  --panel-border: rgba(61, 211, 168, 0.24);
  --text: #3dd3a8;
  --muted: rgba(126, 227, 199, 0.78);
  --brand: #3dd3a8;
  --button: #ff5cb8;
  --button-text: #220814;
  --button-shadow: rgba(255, 92, 184, 0.24);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  overflow: hidden;
  background:
    radial-gradient(circle at top, rgba(90, 226, 214, 0.2), transparent 42%),
    radial-gradient(circle at bottom right, rgba(255, 92, 184, 0.12), transparent 30%),
    var(--bg);
  color: var(--text);
  font-family: "Avenir Next Condensed", "Arial Narrow", "Segoe UI", sans-serif;
}

body {
  position: relative;
  background:
    radial-gradient(circle at top, rgba(255, 255, 255, 0.03), transparent 38%),
    radial-gradient(circle at bottom right, rgba(61, 211, 168, 0.06), transparent 28%),
    #252527;
}

#art {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  display: block;
}

.shell {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  align-items: flex-start;
  justify-content: flex-start;
  padding: 1.25rem;
  pointer-events: none;
}

.panel {
  max-width: 19rem;
  padding: 1rem 1rem 1.1rem;
  border: 1px solid var(--panel-border);
  border-radius: 1.25rem;
  background: var(--panel);
  backdrop-filter: blur(14px);
  box-shadow: 0 1.5rem 3rem rgba(0, 0, 0, 0.28);
}

.eyebrow {
  margin: 0 0 0.4rem;
  color: var(--brand);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: 0.72rem;
}

h1 {
  margin: 0;
  font-size: clamp(2.1rem, 6vw, 3.4rem);
  line-height: 0.92;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--brand);
  text-shadow: 0 0 18px rgba(57, 244, 221, 0.18);
}

.description {
  margin: 0.9rem 0 1.1rem;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.35;
}

.controls {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  flex-wrap: wrap;
}

button {
  pointer-events: auto;
  appearance: none;
  border: 0;
  border-radius: 999px;
  padding: 0.9rem 1.15rem;
  background: var(--button);
  color: var(--button-text);
  font-family: Futura, "Futura PT", "Avenir Next", sans-serif;
  font-size: 0.98rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  box-shadow: 0 0.8rem 1.8rem var(--button-shadow);
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    background-color 180ms ease;
}

button:hover,
button:focus-visible {
  transform: translateY(-2px) scale(1.01);
  box-shadow: 0 1.15rem 2.3rem rgba(0, 0, 0, 0.3);
}

button:focus-visible {
  outline: 2px solid rgba(255, 255, 255, 0.72);
  outline-offset: 3px;
}

.meta {
  display: none;
}

@media (max-width: 640px) {
  html,
  body {
    overflow-y: auto;
    overflow-x: hidden;
  }

  .shell {
    min-height: auto;
    align-items: center;
    justify-content: flex-start;
    padding:
      calc(var(--mobile-stage-bottom, 0px) + 0.9rem)
      0.9rem
      1rem;
  }

  .panel {
    width: min(100%, 18rem);
    max-width: 18rem;
    padding: 0.85rem 0.85rem 0.95rem;
    border-radius: 1rem;
  }

  .eyebrow {
    font-size: 0.64rem;
    margin-bottom: 0.3rem;
  }

  h1 {
    font-size: clamp(1.8rem, 10vw, 2.7rem);
  }

  .description {
    margin: 0.75rem 0 0.95rem;
    font-size: 0.92rem;
    max-width: none;
  }

  .controls {
    width: 100%;
  }

  button {
    width: 100%;
    min-height: 3.3rem;
    font-size: 0.95rem;
  }
}
