/* ----------------------------------------------------------------
   Comparação de materiais — fundo claro, cards escuros e autoridade
---------------------------------------------------------------- */

.comparacao-redes {
  position: relative;
  margin: 0;
  padding: clamp(3.5rem, 8vw, 100px) 0;
  background-color: #f8fafc;
  background-image: radial-gradient(circle at top, rgba(28, 78, 110, 0.06), transparent 60%);
  overflow-x: clip;
  --comparacao-grid-size: 28px;
}

@media (max-width: 639px) {
  .comparacao-redes {
    --comparacao-grid-size: 32px;
  }
}

/* Blueprint sutil — só na seção; cards permanecem em destaque */
.comparacao-redes::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(0, 40, 80, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 40, 80, 0.06) 1px, transparent 1px);
  background-size: var(--comparacao-grid-size) var(--comparacao-grid-size);
  background-position: 0 0, 0 0;
  -webkit-mask-image: radial-gradient(
    ellipse 92% 88% at 50% 42%,
    #000 0%,
    #000 52%,
    rgba(0, 0, 0, 0.45) 78%,
    transparent 100%
  );
  mask-image: radial-gradient(
    ellipse 92% 88% at 50% 42%,
    #000 0%,
    #000 52%,
    rgba(0, 0, 0, 0.45) 78%,
    transparent 100%
  );
}

.comparacao-redes__inner {
  position: relative;
  z-index: 1;
  max-width: 1100px;
  margin-inline: auto;
}

.comparacao-redes__header {
  text-align: center;
  max-width: 48rem;
  margin: 0 auto clamp(2.75rem, 6vw, 3.5rem);
}

.comparacao-redes__authority {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.625rem;
  margin: 0 0 clamp(1.25rem, 3vw, 1.5rem);
  font-size: var(--text-sm);
  font-weight: 700;
  color: #0f172a;
  letter-spacing: 0.02em;
}

.comparacao-redes__authority-icon {
  flex-shrink: 0;
  color: #facc15;
  font-size: 1.5rem;
  line-height: 1;
}

.comparacao-redes__title {
  margin: 0 0 var(--space-5);
  font-size: clamp(1.65rem, 4vw, 2.35rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: #0f172a;
  text-wrap: balance;
}

.comparacao-redes__subtitle {
  margin: 0 auto;
  max-width: 600px;
  text-align: center;
  font-size: clamp(1rem, 2.2vw, 1.125rem);
  font-weight: 500;
  line-height: 1.65;
  color: #475569;
}

.comparacao-redes__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(1.25rem, 3vw, 1.75rem);
  align-items: stretch;
}

/* Tablet: 2 colunas + terceiro card centralizado em linha única */
@media (max-width: 900px) and (min-width: 640px) {
  .comparacao-redes__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: clamp(1.25rem, 3.5vw, 1.75rem);
    max-width: 44rem;
    margin-inline: auto;
  }

  .comparacao-redes__grid > .comparacao-redes__card:last-child {
    grid-column: 1 / -1;
    justify-self: center;
    max-width: 26rem;
    width: 100%;
  }
}

@media (max-width: 639px) {
  .comparacao-redes__grid {
    grid-template-columns: 1fr;
    gap: clamp(1.5rem, 5vw, 2rem);
    max-width: 26rem;
    margin-inline: auto;
  }
}

.comparacao-redes__card {
  border-radius: 16px;
  transition:
    transform 0.35s cubic-bezier(0.22, 1, 0.36, 1),
    box-shadow 0.35s ease;
}

.comparacao-redes__card-surface {
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: clamp(1.35rem, 3vw, 1.75rem) var(--space-5) var(--space-6);
  border-radius: 16px;
  color: #ffffff;
  background: linear-gradient(180deg, #0f2f4a 0%, #0b2236 100%);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 20px 50px rgba(11, 34, 54, 0.25);
}

.comparacao-redes__card:hover {
  transform: translateY(-4px);
}

.comparacao-redes__card:hover .comparacao-redes__card-surface {
  border-color: rgba(255, 255, 255, 0.12);
  box-shadow: 0 24px 56px rgba(11, 34, 54, 0.32);
}

.comparacao-redes__visual {
  width: 100%;
  display: flex;
  justify-content: center;
  margin-bottom: 0;
}

.comparacao-redes__img-wrap {
  position: relative;
  display: inline-block;
}

/* Container de destaque da foto (escopo da seção) */
.comparacao-redes .card-top {
  width: 140px;
  height: 140px;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: radial-gradient(circle, #1e3a5f, #0b2236);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.comparacao-redes .card-top img {
  width: 110%;
  height: 110%;
  object-fit: cover;
  border: none;
  border-radius: 0;
  display: block;
  transition: transform 0.4s ease;
  transform: scale(1);
}

.comparacao-redes .card:hover .card-top img {
  transform: scale(1.08);
}

.comparacao-redes__warranty {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 2;
  transform: translate(-8%, -12%);
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: 800;
  color: #0f172a;
  background: #fff;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.12);
  white-space: nowrap;
}

@media (max-width: 380px) {
  .comparacao-redes__warranty {
    transform: translate(0, -4%);
  }
}

.comparacao-redes__card-title {
  margin: 0 0 var(--space-5);
  font-size: clamp(1.05rem, 2.2vw, 1.2rem);
  font-weight: 800;
  color: #ffffff;
  letter-spacing: -0.02em;
  line-height: 1.25;
}

.comparacao-redes__list {
  list-style: none;
  margin: 0;
  padding: 0;
  width: 100%;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.comparacao-redes__list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-sm);
  font-weight: 500;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.8);
}

.comparacao-redes__check {
  flex-shrink: 0;
  width: 1.25rem;
  height: 1.25rem;
  margin-top: 1px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
  color: #facc15;
}

.comparacao-redes__check svg {
  width: 0.75rem;
  height: 0.75rem;
  display: block;
}

/* Entrada em cascata (título + linhas): usa .reveal / initReveal em main.js */
.comparacao-redes__card-title.reveal,
.comparacao-redes__list li.reveal {
  transition-duration: 0.52s;
}

@media (prefers-reduced-motion: reduce) {
  .comparacao-redes__card {
    transition: box-shadow 0.2s ease;
  }

  .comparacao-redes__card:hover {
    transform: none;
  }

  .comparacao-redes .card-top img {
    transition: none;
  }

  .comparacao-redes .card:hover .card-top img {
    transform: scale(1);
  }
}