/* ============================================================
   Proposito component: dark statement section with a radial
   glow backdrop and a 3-column footer.
   ============================================================ */

.proposito {
  background: var(--black);
  color: var(--white);
  padding: 10rem var(--pad-x);
  position: relative;
  overflow: hidden;
}
.proposito::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 85% 20%, rgba(6, 96, 223, 0.35), transparent 55%);
  pointer-events: none;
}
.proposito__inner {
  position: relative;
  max-width: var(--max-width);
  margin: 0 auto;
  z-index: 1;
}
.proposito__kicker {
  color: var(--green);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 2.5rem;
}
.proposito__text {
  font-size: clamp(1.75rem, 3.8vw, 4rem);
  line-height: 1.1;
  letter-spacing: -0.025em;
  font-weight: 600;
  max-width: 22ch;
}
.proposito__text b {
  color: var(--green);
  font-weight: 700;
}
.proposito__foot {
  margin-top: 5rem;
  display: flex;
  gap: 3.75rem;
  flex-wrap: wrap;
  padding-top: 2.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}
.proposito__col h4 {
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.55);
  margin-bottom: 0.875rem;
}
.proposito__col p {
  font-size: 1rem;
  line-height: 1.5;
  max-width: 32ch;
  color: rgba(255, 255, 255, 0.85);
}

@media (max-width: 640px) {
  .proposito {
    padding: 5.625rem var(--pad-x);
  }
  .proposito__foot {
    margin-top: 3.25rem;
    gap: 2.25rem;
  }
}
