/* FILTER */

.proof-filter {
  display: flex;
  gap: 12px;
  margin-bottom: 48px;
}

.filter-btn {
  font-family: 'Inter', sans-serif;
  font-weight: 500;
  font-size: 13px;
  padding: 8px 20px;
  border-radius: 100px;
  border: 1px solid rgba(255, 255, 255, 0.20);
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.09) 0%, rgba(255, 255, 255, 0.02) 100%);
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  color: rgba(255, 255, 255, 0.65);
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.14), 0 2px 8px rgba(0, 0, 0, 0.14);
}

.filter-btn.active,
.filter-btn:hover {
  border-color: var(--green);
  color: var(--green);
  background: rgba(134, 223, 173, 0.08);
}

/* PROOF GRID */

.proof-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.proof-card {
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.10) 0%, rgba(255, 255, 255, 0.03) 100%);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 16px;
  padding: 32px;
  display: flex;
  flex-direction: column;
  box-shadow:
    0 8px 32px rgba(0, 0, 0, 0.28),
    0 2px 8px rgba(0, 0, 0, 0.16),
    inset 0 1px 0 rgba(255, 255, 255, 0.22),
    inset 0 -1px 0 rgba(0, 0, 0, 0.08);
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.proof-card:hover {
  border-color: rgba(255, 0, 127, 0.50);
  box-shadow:
    0 0 30px rgba(255, 0, 127, 0.35),
    0 0 10px rgba(255, 0, 127, 0.20),
    0 8px 32px rgba(0, 0, 0, 0.28),
    inset 0 1px 0 rgba(255, 255, 255, 0.22);
}

.proof-card-lane {
  font-family: 'Inter', sans-serif;
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--cyan);
  margin-bottom: 12px;
}

.proof-card-title {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 20px;
  color: var(--white);
  line-height: 1.3;
  margin-bottom: 16px;
  flex: 1;
}

.proof-card-outcome {
  font-family: 'Inter', sans-serif;
  font-weight: 400;
  font-size: 18px;
  color: var(--green);
}

/* MOBILE */

@media (max-width: 1024px) {
  .proof-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .proof-grid {
    grid-template-columns: 1fr;
  }

  .proof-filter {
    flex-wrap: wrap;
  }
}