.ax {
  padding-top: clamp(0.5rem, 1.5vw, 1.25rem);
  padding-bottom: clamp(2rem, 5vw, 4rem);
}
.ax__h::before { display: none; }
.ax__t {
  padding-top: clamp(0.5rem, 2vh, 1.5rem);
  font-size: clamp(3rem, 25vw, 21rem);
  max-width: none;
}
.ax__t .blk__l b { white-space: nowrap; }
.ax__d {
  margin: clamp(1.25rem, 3.5vw, 2.5rem) 0 0;
  max-width: 42ch;
  font-size: clamp(1.05rem, 2vw, 1.5rem);
  line-height: 1.32;
  letter-spacing: -0.015em;
  text-wrap: balance;
}
.ax__prosa { margin-top: clamp(2.5rem, 6vw, 4rem); }
.ax__prosa .htxt { max-width: 46ch; }

.ax__sotto { margin-top: clamp(2rem, 5vw, 3rem); }
.ax__idx { margin-top: clamp(2.5rem, 6vw, 4rem); }

.fasi {
  position: relative;
  --fase-m: clamp(2.375rem, 4.4vw, 3.25rem);
  --p: 1;
  margin-top: clamp(2.5rem, 6vw, 4rem);
}
.fasi__l {
  display: grid; gap: clamp(1.75rem, 4vw, 2.5rem) 0;
  margin: 0; padding: 0; list-style: none;
}
.fasi__bin, .fasi__ora {
  position: absolute; z-index: 0;
  background: var(--ink);
  pointer-events: none;
  top: 0; bottom: 0;
}
.fasi__bin { left: calc(var(--fase-m) / 2); width: 1px; opacity: 0.48; }
.fasi__ora {
  left: calc(var(--fase-m) / 2 - 1px); width: 3px;
  transform-origin: 0 0; transform: scaleY(var(--p));
}

.fase {
  position: relative; z-index: 1;
  display: grid;
  grid-template-columns: var(--fase-m) minmax(0, 1fr);
  column-gap: clamp(0.9rem, 2vw, 1.25rem);
  align-items: start;
}
.fase__n {
  grid-row: 1 / span 2;
  display: grid; place-items: center;
  width: var(--fase-m); height: var(--fase-m);
  border: 1px solid var(--ink);
  background: var(--paper);
  color: var(--dim);
  transition: background-color 260ms var(--out), color 260ms var(--out);
}
.fase[data-on="1"] .fase__n { background: var(--ink); color: var(--paper); }
.fase__n { position: relative; z-index: 1; }
.fase:last-child::after {
  content: ""; position: absolute; z-index: 0;
  left: 0; width: var(--fase-m);
  top: calc(var(--fase-m) / 2); bottom: 0;
  background: var(--paper);
}
.fase__t {
  grid-column: 2; align-self: center;
  margin: 0;
  font-weight: 900;
  font-size: clamp(1.15rem, 1rem + 0.7vw, 1.55rem);
  line-height: 1.05; letter-spacing: -0.035em;
  text-transform: uppercase;
}
.fase__d { grid-column: 2; margin: 0.4rem 0 0; color: var(--dim); font-size: 0.95rem; line-height: 1.45; }

@media (min-width: 900px) {
  .fasi__l { grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 0; }
  .fasi__bin, .fasi__ora {
    left: calc(var(--fase-m) / 2);
    right: calc(20% - var(--fase-m) / 2);
    bottom: auto; width: auto;
  }
  .fasi__bin { top: calc(var(--fase-m) / 2); height: 1px; }
  .fasi__ora {
    top: calc(var(--fase-m) / 2 - 1px); height: 3px;
    transform: scaleX(var(--p));
  }
  .fase { grid-template-columns: minmax(0, 1fr); padding-right: clamp(1rem, 2.2vw, 1.75rem); }
  .fase__n { grid-row: auto; }
  .fase:last-child::after { content: none; }
  .fase__t { grid-column: auto; align-self: start; margin-top: clamp(0.9rem, 2vw, 1.4rem); }
  .fase__d { grid-column: auto; }
}

.ax__fine { display: grid; gap: clamp(1.5rem, 3.5vw, 2.25rem); justify-items: start; margin-top: clamp(1.75rem, 4vw, 2.75rem); }
.ax__fine p { margin: 0; }