/* ==========================================================================
   PRE-FOOTER CTA
   ========================================================================== */

.pre-footer {
  position: relative;
  padding: var(--space-xl) 0;
  background: radial-gradient(ellipse 60% 80% at 50% 100%, rgba(229,9,20,0.22), transparent 70%), var(--black-deep);
  text-align: center;
  overflow: hidden;
  isolation: isolate;
}

.pre-footer .container { position: relative; z-index: 2; }

.pre-footer h2 {
  max-width: 820px;
  margin: 0 auto var(--space-sm);
}

.pre-footer p {
  max-width: 560px;
  margin: 0 auto var(--space-md);
  font-size: 1.05rem;
}

.pre-footer .btn-row { justify-content: center; }

/* ==========================================================================
   MAIN FOOTER
   ========================================================================== */

.site-footer {
  background: var(--black-void);
  position: relative;
  padding-top: 1px;
}

.footer-top-line {
  height: 1px;
  width: 100%;
  background: linear-gradient(90deg, transparent, var(--red), transparent);
  background-size: 200% 100%;
  animation: lineFlow 6s linear infinite;
}

@keyframes lineFlow {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.footer-main {
  padding: var(--space-xl) 0 var(--space-lg);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.3fr 1.1fr;
  gap: var(--space-md);
}

.footer-brand img { height: 40px; margin-bottom: var(--space-sm); }
.footer-tagline {
  font-family: var(--font-mono);
  color: var(--red);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: var(--space-sm);
}
.footer-desc { font-size: 0.92rem; max-width: 340px; line-height: 1.7; }

.footer-col h4 {
  text-transform: uppercase;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  margin-bottom: var(--space-sm);
  color: var(--white);
}

.footer-links { display: flex; flex-direction: column; gap: 0.65rem; }
.footer-links a {
  font-size: 0.92rem;
  color: var(--grey-soft);
  position: relative;
  display: inline-block;
  width: fit-content;
  transition: color var(--dur-fast) ease, padding-left var(--dur-fast) ease;
}
.footer-links a::after {
  content: '';
  position: absolute;
  left: 0; bottom: -3px;
  width: 0; height: 1px;
  background: var(--red);
  transition: width var(--dur-fast) var(--ease-out);
}
.footer-links a:hover { color: var(--white); padding-left: 4px; }
.footer-links a:hover::after { width: 100%; }

.footer-services-split { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-sm); }
.footer-services-split h5 {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--grey-steel);
  margin-bottom: 0.6rem;
}

.footer-contact-item {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  margin-bottom: 1rem;
  transition: transform var(--dur-fast) ease;
}
.footer-contact-item:hover { transform: translateX(3px); }
.footer-contact-item svg {
  width: 18px; height: 18px;
  flex-shrink: 0;
  margin-top: 2px;
  stroke: var(--red);
  transition: filter var(--dur-fast) ease;
}
.footer-contact-item:hover svg { filter: drop-shadow(0 0 6px var(--red-glow)); }
.footer-contact-item a, .footer-contact-item span { font-size: 0.92rem; color: var(--grey-soft); }
.footer-contact-item a:hover { color: var(--white); }

.footer-social-row {
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px solid var(--grey-line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-sm);
}
.footer-social-row h4 { font-size: 0.9rem; }

.social-icons { display: flex; gap: 0.8rem; }
.social-icon {
  width: 42px; height: 42px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  backdrop-filter: blur(8px);
  transition: transform var(--dur-fast) var(--ease-out), border-color var(--dur-fast) ease, box-shadow var(--dur-fast) ease;
}
.social-icon svg { width: 18px; height: 18px; fill: var(--white); }
.social-icon:hover {
  border-color: var(--red);
  box-shadow: 0 0 18px var(--red-glow);
  transform: translateY(-3px) scale(1.06) rotate(6deg);
}

.footer-bottom {
  background: var(--black-deep);
  padding: 1.4rem 0;
}
.footer-bottom .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.8rem;
}
.footer-bottom p { font-size: 0.82rem; color: var(--grey-steel); }
.footer-bottom-links { display: flex; gap: 1.6rem; }
.footer-bottom-links a {
  font-size: 0.82rem;
  color: var(--grey-steel);
  position: relative;
}
.footer-bottom-links a::after {
  content: '';
  position: absolute;
  left: 0; bottom: -3px;
  width: 0; height: 1px;
  background: var(--red);
  transition: width var(--dur-fast) ease;
}
.footer-bottom-links a:hover { color: var(--white); }
.footer-bottom-links a:hover::after { width: 100%; }

@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--space-lg) var(--space-md); }
}
@media (max-width: 640px) {
  .footer-grid { grid-template-columns: 1fr; gap: var(--space-md); text-align: left; }
  .footer-social-row { flex-direction: column; align-items: flex-start; }
  .footer-bottom .container { flex-direction: column; align-items: flex-start; }
}

/* ==========================================================================
   WHATSAPP FLOATING BUTTON
   ========================================================================== */

.whatsapp-float {
  position: fixed;
  bottom: 26px;
  right: 26px;
  z-index: 900;
  width: 60px; height: 60px;
  border-radius: 50%;
  background: #25D366;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 8px 24px rgba(0,0,0,0.4), 0 0 0 0 rgba(37,211,102,0.6);
  animation: waPulse 2.6s ease-out infinite;
  transition: transform var(--dur-fast) var(--ease-out);
}
.whatsapp-float:hover { transform: scale(1.08); }
.whatsapp-float svg { width: 30px; height: 30px; fill: var(--white); }

@keyframes waPulse {
  0% { box-shadow: 0 8px 24px rgba(0,0,0,0.4), 0 0 0 0 rgba(37,211,102,0.55); }
  70% { box-shadow: 0 8px 24px rgba(0,0,0,0.4), 0 0 0 16px rgba(37,211,102,0); }
  100% { box-shadow: 0 8px 24px rgba(0,0,0,0.4), 0 0 0 0 rgba(37,211,102,0); }
}

.wa-tooltip {
  position: absolute;
  right: 72px;
  top: 50%;
  transform: translateY(-50%);
  background: var(--black-card);
  border: 1px solid var(--grey-line);
  color: var(--white);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 0.5em 0.9em;
  border-radius: 6px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur-fast) ease;
}
.whatsapp-float:hover .wa-tooltip { opacity: 1; }

@media (max-width: 640px) {
  .whatsapp-float { width: 54px; height: 54px; bottom: 18px; right: 18px; }
  .whatsapp-float svg { width: 26px; height: 26px; }
  .wa-tooltip { display: none; }
}