.proof {
  padding: 0;
  background: #fff;
  position: relative;
}

.proof::before,
.proof::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, var(--line) 20%, var(--line) 80%, transparent 100%);
}

.proof::before {
  top: 0;
}

.proof::after {
  bottom: 0;
}

.proof .proof-inner {
  display: flex;
  align-items: stretch;
}

.proof-label {
  flex: 0 0 196px;
  display: flex;
  align-items: center;
  padding: 34px 32px 34px 0;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.45;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
}

.proof-stats {
  flex: 1;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.proof-stat {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 8px;
  padding: 34px 28px;
  border-left: 1px solid var(--line);
}

.proof-stat strong {
  font-size: clamp(30px, 3vw, 40px);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.025em;
  color: var(--ink);
  display: flex;
  align-items: center;
}

.proof-stat strong svg {
  width: auto;
  border-radius: 2px;
}

.proof-stat span {
  font-size: 13.5px;
  color: var(--ink-2);
  font-weight: 500;
}

/* Tablet: label vira cabeçalho em cima, stats em 2x2 */
@media (max-width: 880px) {
  .proof .proof-inner {
    flex-direction: column;
  }

  .proof-label {
    flex: auto;
    padding: 24px 0 18px;
    border-bottom: 1px solid var(--line);
  }

  .proof-stats {
    grid-template-columns: 1fr 1fr;
  }

  .proof-stat {
    padding: 26px 22px;
    border-top: 1px solid var(--line);
  }

  .proof-stat:nth-child(odd) {
    border-left: none;
  }

  .proof-stat:nth-child(1),
  .proof-stat:nth-child(2) {
    border-top: none;
  }
}

/* Mobile: 1 coluna */
@media (max-width: 460px) {
  .proof-stats {
    grid-template-columns: 1fr;
  }

  .proof-stat {
    border-left: none;
    border-top: 1px solid var(--line);
  }

  .proof-stat:nth-child(1) {
    border-top: none;
  }
}