@font-face {
  font-family: 'Space Grotesk';
  src: url('/space-grotesk.woff2') format('woff2');
  font-weight: 300 700;
  font-display: swap;
}

:root {
  --charcoal: #15171b;
  --on-charcoal: #f2f3f5;
  --muted: rgb(242 243 245 / 62%);
  --faint: rgb(242 243 245 / 14%);
  --accent: #f0560a;
  --new: #0f9f8f;
  --display: 'Space Grotesk', system-ui, sans-serif;
  --body: 'IBM Plex Sans', system-ui, -apple-system, 'Segoe UI', sans-serif;
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1.5rem;
  background:
    radial-gradient(60rem 30rem at 85% -10%, rgb(240 86 10 / 22%), transparent 60%),
    radial-gradient(40rem 26rem at -10% 110%, rgb(15 159 143 / 16%), transparent 60%),
    var(--charcoal);
  color: var(--on-charcoal);
  font: 16px/1.55 var(--body);
}

/* Hidden for the first moments: when the demo is already awake the visitor goes straight through, without a flash. */
.card {
  width: min(34rem, 100%);
  opacity: 0;
  animation: appear 0.5s ease-out 0.7s forwards;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.seal {
  display: grid;
  place-items: center;
  width: 2.3rem;
  height: 2.3rem;
  border-radius: 10px;
  background: var(--accent);
  font: 700 0.95rem var(--display);
  letter-spacing: -0.04em;
  box-shadow: 0 8px 20px -8px var(--accent);
}
.name {
  display: grid;
  line-height: 1.25;
}
.name strong {
  font: 650 1.15rem var(--display);
  letter-spacing: -0.03em;
}
.name small {
  font-size: 0.78rem;
  color: var(--muted);
}

/* The shop's roller shutter, its slats lifting one after another. */
.shutter {
  display: grid;
  gap: 5px;
  width: 7rem;
  margin: 3rem 0 2rem;
  padding: 6px;
  border-radius: 12px;
  border: 1px solid var(--faint);
}
.shutter span {
  height: 9px;
  border-radius: 3px;
  background: linear-gradient(90deg, #3b414c, #565d6a);
  transform-origin: top;
  animation: slat 2.4s ease-in-out infinite;
}
.shutter span:nth-child(2) { animation-delay: 0.12s; }
.shutter span:nth-child(3) { animation-delay: 0.24s; }
.shutter span:nth-child(4) { animation-delay: 0.36s; }
.shutter span:nth-child(5) { animation-delay: 0.48s; }

h1 {
  margin: 0 0 0.75rem;
  font: 650 clamp(1.8rem, 5vw, 2.4rem) / 1.1 var(--display);
  letter-spacing: -0.035em;
}
.lede {
  margin: 0 0 2rem;
  color: var(--muted);
}
.lede strong {
  color: var(--on-charcoal);
  font-weight: 600;
}

.progress {
  height: 6px;
  border-radius: 999px;
  background: var(--faint);
  overflow: hidden;
}
.progress span {
  display: block;
  height: 100%;
  width: 0;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent), #ff8a3d);
  transition: width 0.6s ease-out;
}
.ready .progress span {
  background: var(--new);
}

.steps {
  list-style: none;
  margin: 1.25rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
  font-size: 0.92rem;
  color: rgb(242 243 245 / 40%);
}
.steps li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  transition: color 0.3s;
}
.steps li::before {
  content: '';
  flex: none;
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  border: 1.5px solid currentColor;
}
.steps li.active {
  color: var(--on-charcoal);
}
.steps li.active::before {
  border-color: var(--accent);
  animation: pulse 1.2s ease-in-out infinite;
}
.steps li.done {
  color: var(--muted);
}
.steps li.done::before {
  background: var(--new);
  border-color: var(--new);
}

.slow {
  margin: 1.75rem 0 0;
  font-size: 0.9rem;
  color: var(--muted);
}
.slow a {
  color: var(--on-charcoal);
}

@keyframes appear {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}
@keyframes slat {
  0%, 15% { transform: scaleY(1); opacity: 1; }
  50%, 65% { transform: scaleY(0.25); opacity: 0.35; }
  100% { transform: scaleY(1); opacity: 1; }
}
@keyframes pulse {
  50% { box-shadow: 0 0 0 4px rgb(240 86 10 / 25%); }
}

@media (prefers-reduced-motion: reduce) {
  .card { animation-duration: 0.01s; }
  .shutter span, .steps li.active::before { animation: none; }
}