/* =========================
   ABOUT DIFFERENTIALS
========================= */
.about-differentials {
  position: relative;
  padding: 0 0 clamp(72px, 9vw, 112px);
  color: rgba(255, 255, 255, 0.78);
}

.about-differentials__shell {
  position: relative;
  display: grid;
  gap: clamp(28px, 4vw, 40px);
}

.about-differentials__intro {
  display: grid;
  gap: 16px;
  max-width: 860px;
}

.about-differentials__eyebrow {
  width: fit-content;
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(224, 31, 38, 0.18);
  color: #ffffff;
  box-shadow: none;
}

.about-differentials__title {
  max-width: 20ch;
  color: #ffffff;
  line-height: 1.05;
}

.about-differentials__text {
  max-width: 72ch;
  color: rgba(255, 255, 255, 0.72);
}

.about-differentials__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(18px, 2vw, 24px);
}

.about-differentials__card {
  position: relative;
  display: grid;
  gap: 20px;
  min-height: 100%;
  padding: clamp(22px, 2.4vw, 28px);
  border-radius: 24px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.065), rgba(255, 255, 255, 0.028));
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.03),
    0 18px 36px rgba(0, 0, 0, 0.2);
  transition:
    transform var(--transition-base),
    border-color var(--transition-base),
    box-shadow var(--transition-base),
    background var(--transition-base);
  overflow: hidden;
}

.about-differentials__card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: linear-gradient(
    180deg,
    var(--color-primary) 0%,
    rgba(224, 31, 38, 0.28) 100%
  );
}

.about-differentials__card::after {
  content: "";
  position: absolute;
  top: -60px;
  right: -40px;
  width: 140px;
  height: 140px;
  border-radius: 50%;
  background: rgba(224, 31, 38, 0.08);
  filter: blur(26px);
  pointer-events: none;
}

.about-differentials__card:hover {
  transform: translateY(-6px);
  border-color: rgba(224, 31, 38, 0.22);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.04),
    0 24px 44px rgba(0, 0, 0, 0.28);
}

.about-differentials__card-top {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.about-differentials__icon {
  width: 58px;
  height: 58px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  flex-shrink: 0;
  background: linear-gradient(135deg, rgba(224, 31, 38, 0.18), rgba(224, 31, 38, 0.06));
  border: 1px solid rgba(224, 31, 38, 0.18);
  color: #ffffff;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.04),
    0 10px 24px rgba(0, 0, 0, 0.16);
}

.about-differentials__icon .icon {
  width: 24px;
  height: 24px;
  stroke-width: 2;
}

.about-differentials__heading {
  display: grid;
  gap: 8px;
  min-width: 0;
}

.about-differentials__kicker {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.46);
}

.about-differentials__card-title {
  color: #ffffff;
  font-size: clamp(1.22rem, 1.7vw, 1.52rem);
  line-height: 1.08;
}

.about-differentials__card-text {
  color: rgba(255, 255, 255, 0.74);
  font-size: 1rem;
  line-height: 1.8;
}

/* =========================
   RESPONSIVO
========================= */
@media (max-width: 980px) {
  .about-differentials {
    padding: 0 0 clamp(58px, 10vw, 84px);
  }

  .about-differentials__grid {
    grid-template-columns: 1fr;
  }

  .about-differentials__title {
    max-width: 22ch;
  }
}

@media (max-width: 640px) {
  .about-differentials__intro {
    gap: 14px;
  }

  .about-differentials__title {
    max-width: 100%;
  }

  .about-differentials__text {
    font-size: 0.98rem;
    line-height: 1.75;
  }

  .about-differentials__card {
    gap: 18px;
    padding: 20px 18px 20px 20px;
    border-radius: 20px;
  }

  .about-differentials__card-top {
    gap: 14px;
  }

  .about-differentials__icon {
    width: 52px;
    height: 52px;
    border-radius: 16px;
  }

  .about-differentials__icon .icon {
    width: 22px;
    height: 22px;
  }

  .about-differentials__card-title {
    font-size: 1.15rem;
  }
}