/* The mark the pointer wipes away: minimal. A dark ground, the mark of a made-up sound studio drawn in one pale
   hairline, and under it a map in a single blue that only shows where the pointer has just been. */
:root {
  --fondo: #111319;        /* the ground */
  --linea: #e9ecee;        /* the hairline of the mark and the name */
  --accento: #4f8bff;      /* the hidden map */
  --tenue: #6e7b88;        /* the small text */
  --schermo: 100vh;
}

@supports (height: 100lvh) {
  :root {
    --schermo: 100lvh;
  }
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  height: 100%;
}

body {
  overflow: hidden;
  background: var(--fondo);
  color: var(--linea);
  font-family: 'Archivo Variable', 'Archivo', system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}

.soglia {
  position: relative;
  height: var(--schermo);
  touch-action: none;
  cursor: crosshair;
}

.tela {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
}

/* the name sits in the middle of the mark, wide and light */
.nome {
  position: absolute;
  left: 50%;
  top: 50%;
  display: grid;
  justify-items: center;
  gap: 6px;
  translate: -50% -50%;
  pointer-events: none;
}

.nome__marchio {
  margin: 0 0 0 0.42em;
  font-weight: 380;
  font-stretch: 125%;
  font-size: clamp(15px, 1.3vw, 19px);
  letter-spacing: 0.42em;
  text-transform: uppercase;
}

.nome__sotto {
  margin: 0 0 0 0.5em;
  color: var(--tenue);
  font-stretch: 112%;
  font-size: 10px;
  letter-spacing: 0.5em;
  text-transform: uppercase;
}

.aiuto {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 22px;
  margin: 0;
  color: var(--tenue);
  font-stretch: 110%;
  font-size: 10px;
  letter-spacing: 0.3em;
  text-align: center;
  text-transform: uppercase;
}

/* on a phone the mark is narrower: the name gets smaller so it keeps clear of the peak */
@media (max-width: 600px) {
  .nome__marchio {
    font-size: 12px;
    letter-spacing: 0.34em;
  }

  .nome__sotto {
    font-size: 9px;
    letter-spacing: 0.42em;
  }
}