/* ============================================
   GEMCON — Footer
   ============================================ */

.site-footer {
  background: var(--gemcon-black);
  border-top: 1px solid var(--gemcon-graphite);
  padding-top: var(--space-2xl);
}

.footer-main {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: var(--space-xl);
  padding-bottom: var(--space-xl);
}

/* --- Footer Brand --- */
.footer-brand {
  max-width: 320px;
}

.footer-logo {
  height: 36px;
  width: auto;
  margin-bottom: var(--space-md);
}

.footer-desc {
  font-size: 0.9rem;
  color: var(--gemcon-gray);
  line-height: 1.8;
  margin-bottom: var(--space-md);
}

.footer-social {
  display: flex;
  gap: var(--space-sm);
}

.social-link {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--gemcon-graphite);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--duration-normal) var(--ease-out);
}

.social-link:hover {
  border-color: var(--gemcon-gold);
  background: var(--gemcon-gold-glow);
  transform: translateY(-2px);
}

.social-link svg {
  width: 16px;
  height: 16px;
  fill: var(--gemcon-gray);
  transition: fill var(--duration-fast) var(--ease-out);
}

.social-link:hover svg {
  fill: var(--gemcon-gold);
}

/* --- Footer Columns --- */
.footer-column h5 {
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--gemcon-white);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-md);
  position: relative;
  padding-bottom: var(--space-sm);
}

.footer-column h5::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background: var(--gemcon-gold);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-link {
  font-size: 0.875rem;
  color: var(--gemcon-gray);
  transition: all var(--duration-fast) var(--ease-out);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.footer-link:hover {
  color: var(--gemcon-gold);
  padding-left: 4px;
}

/* --- Footer Contact Info --- */
.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: var(--space-sm);
}

.footer-contact-icon {
  width: 18px;
  height: 18px;
  margin-top: 3px;
  flex-shrink: 0;
}

.footer-contact-icon svg {
  width: 100%;
  height: 100%;
  stroke: var(--gemcon-gold);
  fill: none;
  stroke-width: 1.5;
}

.footer-contact-text {
  font-size: 0.875rem;
  color: var(--gemcon-gray);
  line-height: 1.6;
}

.footer-contact-text a {
  color: var(--gemcon-gray);
  transition: color var(--duration-fast) var(--ease-out);
}

.footer-contact-text a:hover {
  color: var(--gemcon-gold);
}

/* --- Footer Bottom --- */
.footer-bottom {
  border-top: 1px solid var(--gemcon-graphite);
  padding: var(--space-md) 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.footer-copyright {
  font-size: 0.8125rem;
  color: var(--gemcon-gray);
}

.footer-legal {
  display: flex;
  gap: var(--space-md);
}

.footer-legal a {
  font-size: 0.8125rem;
  color: var(--gemcon-gray);
  transition: color var(--duration-fast) var(--ease-out);
}

.footer-legal a:hover {
  color: var(--gemcon-gold);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .footer-main {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
  }
}

@media (max-width: 768px) {
  .site-footer {
    padding-top: var(--space-xl);
  }

  .footer-main {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .footer-brand {
    max-width: 100%;
    text-align: center;
  }

  .footer-logo {
    margin: 0 auto var(--space-md);
  }

  .footer-social {
    justify-content: center;
  }

  .footer-column h5::after {
    left: 50%;
    transform: translateX(-50%);
  }

  .footer-column {
    text-align: center;
  }

  .footer-link:hover {
    padding-left: 0;
  }

  .footer-contact-item {
    justify-content: center;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .footer-legal {
    justify-content: center;
  }
}

/* ============================================
   WHATSAPP FLOATING BUTTON
   ============================================ */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 900;
}

.whatsapp-trigger {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--gemcon-whatsapp);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  transition: all var(--duration-normal) var(--ease-out);
  cursor: pointer;
  border: none;
}

.whatsapp-trigger:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 30px rgba(37, 211, 102, 0.5);
}

.whatsapp-trigger svg {
  width: 28px;
  height: 28px;
  fill: #fff;
}

/* WhatsApp popup menu */
.whatsapp-popup {
  position: absolute;
  bottom: 70px;
  right: 0;
  min-width: 260px;
  background: var(--gemcon-charcoal);
  border: 1px solid var(--gemcon-graphite);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px) scale(0.95);
  transition: all var(--duration-normal) var(--ease-out);
  box-shadow: var(--shadow-xl);
}

.whatsapp-popup.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

.whatsapp-popup-header {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--gemcon-white);
  margin-bottom: var(--space-sm);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--gemcon-graphite);
}

.whatsapp-option {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  border-radius: var(--radius-md);
  transition: all var(--duration-fast) var(--ease-out);
  cursor: pointer;
}

.whatsapp-option:hover {
  background: rgba(37, 211, 102, 0.1);
}

.whatsapp-option-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.whatsapp-option-icon.sales {
  background: rgba(197, 165, 114, 0.2);
}

.whatsapp-option-icon.support {
  background: rgba(33, 150, 243, 0.2);
}

.whatsapp-option-icon svg {
  width: 16px;
  height: 16px;
}

.whatsapp-option-text {
  flex: 1;
}

.whatsapp-option-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--gemcon-white);
  margin-bottom: 2px;
}

.whatsapp-option-desc {
  font-size: 0.75rem;
  color: var(--gemcon-gray);
}

/* Pulse animation for WhatsApp button */
.whatsapp-trigger::before {
  content: '';
  position: absolute;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--gemcon-whatsapp);
  animation: whatsappPulse 2s ease-out infinite;
  z-index: -1;
}

@keyframes whatsappPulse {
  0% {
    transform: scale(1);
    opacity: 0.4;
  }
  100% {
    transform: scale(1.6);
    opacity: 0;
  }
}