footer {
  background: var(--navy-dk);
  color: rgba(255,255,255,.65);
  padding-block: 4.5rem 2rem;
  font-size: .95rem;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.6fr repeat(3, 1fr);
  gap: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,.1);
}

.footer-brand {
  & .logo img {
    width: 7rem;
  }

  & p {
    margin-block: 1.25rem 1.5rem;
    max-width: 22rem;
    line-height: 1.65;
  }
}

.social {
  display: flex;
  gap: .75rem;

  & a {
    display: grid;
    place-items: center;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 0.625rem;
    background: rgba(255,255,255,.08);
    transition: background .3s ease, transform .3s ease;

    &:hover {
      background: var(--orange);
      transform: translateY(-2px);
    }
  }

  & svg {
    width: 1.15rem;
    height: 1.15rem;
    fill: none;
    stroke: var(--white);
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;

    /* logo do WhatsApp é preenchido, não contorno */
    &.icone-solido {
      fill: var(--white);
      stroke: none;
    }
  }
}

.footer-col {
  & h3 {
    color: var(--white);
    font-size: 1.05rem;
    margin-bottom: 1.25rem;
  }

  & ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: .75rem;
  }

  & a {
    transition: color .3s ease;
    overflow-wrap: anywhere;

    &:hover {
      color: var(--orange-lt);
    }
  }
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  padding-top: 2rem;
  font-size: .85rem;
}

.whatsapp-float {
  position: fixed;
  right: 1.5rem;
  bottom: 1.5rem;
  z-index: 900;
  display: grid;
  place-items: center;
  width: 3.75rem;
  height: 3.75rem;
  border-radius: 50%;
  background: #25D366;
  box-shadow: 0 .5rem 1.5rem rgba(37,211,102,.45);
  transition: transform .3s ease;

  &:hover {
    transform: scale(1.08);
  }

  & svg {
    width: 1.9rem;
    height: 1.9rem;
    fill: var(--white);
  }
}

@media (width < 62.5rem) {
  .footer-inner {
    grid-template-columns: 1fr 1fr;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (width <= 40rem) {
  .footer-inner {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .footer-bottom {
    flex-direction: column;
  }

  .whatsapp-float {
    right: 1rem;
    bottom: 1rem;
    width: 3.25rem;
    height: 3.25rem;
  }
}