* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background: #0b0b0f;
  color: #f5f5f7;
}

.card {
  max-width: 720px;
  width: min(92vw, 720px);
  text-align: center;
  padding: 48px 32px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 24px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.6);
  margin: 0 0 12px;
}

h1 {
  font-size: clamp(32px, 6vw, 56px);
  margin: 0 0 12px;
}

.subtitle {
  margin: 0 0 24px;
  font-size: 18px;
  color: rgba(255, 255, 255, 0.75);
}

.gif {
  width: 100%;
  max-width: 420px;
  aspect-ratio: 361 / 498;
  border-radius: 16px;
  margin: 0 auto 20px;
  display: block;
  border: 0;
}

.tagline {
  margin: 0 0 24px;
  font-size: 16px;
}

.switch {
  display: inline-block;
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: inherit;
  text-decoration: none;
  font-size: 14px;
}

.switch:hover {
  background: rgba(255, 255, 255, 0.1);
}

.theme-yes .card {
  border-color: rgba(92, 255, 168, 0.25);
}

.theme-yes h1 {
  color: #5cffb0;
}

.theme-no .card {
  border-color: rgba(255, 84, 112, 0.25);
}

.theme-no h1 {
  color: #ff5470;
}