/* ================================================
   FOOTER — seção escura final
   ================================================ */

.footer-preview {
  position: relative;
  background: #060e1a;
  color: rgba(255, 255, 255, 0.65);
  font-family: 'Inter', sans-serif;
  padding: 4rem 0 0;
  overflow: hidden;
}

.footer-preview__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 50% 80% at 80% 0%, rgba(24, 95, 165, 0.12) 0%, transparent 65%),
    linear-gradient(180deg, #0a1628 0%, #060e1a 100%);
  pointer-events: none;
}

.footer-preview__container {
  position: relative;
  z-index: 1;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
}

.footer-preview__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 36px;
  padding-bottom: 36px;
}

/* Coluna da marca */
.footer-preview__brand {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.footer-preview__brand-name {
  font-family: 'Playfair Display', serif;
  font-size: 18px;
  font-weight: 600;
  color: #ffffff;
  line-height: 1.3;
  margin: 0;
  font-variant-numeric: lining-nums;
  font-feature-settings: "lnum" 1;
}

.footer-preview__brand-sub {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.45);
  margin: -8px 0 0;
  text-transform: uppercase;
}

.footer-preview__tagline {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.55);
  margin: 6px 0 0;
  line-height: 1.6;
}

.footer-preview__address {
  font-size: 13px;
  font-style: normal;
  color: rgba(255, 255, 255, 0.55);
  line-height: 1.7;
  margin: 0;
}

/* Colunas */
.footer-preview__col-title {
  font-size: 12px;
  font-weight: 500;
  color: #ffffff;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 0 0 16px;
}

.footer-preview__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-preview__list a,
.footer-preview__list span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-preview__list a:hover { color: #ffffff; }

.footer-preview__list i {
  color: #85B7EB;
  font-size: 15px;
  flex-shrink: 0;
}

/* Redes sociais */
.footer-preview__social {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.footer-preview__social-btn {
  width: 38px;
  height: 38px;
  border-radius: 9px;
  background: rgba(255, 255, 255, 0.06);
  border: 0.5px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.75);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 17px;
  text-decoration: none;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}

.footer-preview__social-btn:hover {
  background: rgba(24, 95, 165, 0.4);
  color: #ffffff;
  border-color: rgba(24, 95, 165, 0.6);
}

/* Bottom */
.footer-preview__bottom {
  border-top: 0.5px solid rgba(255, 255, 255, 0.08);
  padding: 20px 0;
  text-align: center;
}

.footer-preview__bottom p {
  margin: 0;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.4);
  letter-spacing: 0.02em;
}

.footer-preview__legal {
  margin-top: 8px !important;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.45);
  display: flex; justify-content: center;
  flex-wrap: wrap; gap: 6px 10px;
}
.footer-preview__legal a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: color .15s;
}
.footer-preview__legal a:hover { color: #ffffff; }
.footer-preview__sep { opacity: 0.5; }

/* WhatsApp flutuante */
.whatsapp-preview-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: #25D366;
  color: #ffffff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  text-decoration: none;
  box-shadow: 0 6px 24px rgba(37, 211, 102, 0.4);
  z-index: 999;
  transition: transform 0.2s, box-shadow 0.2s;
}

.whatsapp-preview-float:hover {
  transform: scale(1.08);
  box-shadow: 0 8px 32px rgba(37, 211, 102, 0.55);
}

@media (max-width: 880px) {
  .footer-preview__grid {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
  }
}

@media (max-width: 520px) {
  .footer-preview__grid { grid-template-columns: 1fr; }
}