/* Navigation & Footer Styles */

/* Header & Sentinel */
#header-sentinel {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  pointer-events: none;
  visibility: hidden;
  z-index: 1000;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background-color: var(--primary);
  display: flex;
  align-items: center;
  z-index: 999;
  transition: all var(--transition-normal);
  border-bottom: 1px solid var(--border-light);
}

.site-header.scrolled {
  background-color: var(--primary);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
}

.logo img {
  height: 70px;
  width: auto;
  max-width: 300px;
  transition: height var(--transition-normal);
}

/* Logo height remains static on scroll */

/* Nav Menu */
.nav-menu {
  display: flex;
  align-items: center;
  list-style: none;
  gap: var(--spacing-6);
}

.nav-link {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.85);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: var(--spacing-2) 0;
  position: relative;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--accent);
  transition: width var(--transition-normal);
}

.nav-link:hover,
.nav-link.active {
  color: white;
}

.nav-link:hover::after {
  width: 100%;
}

.nav-link.active::after {
  width: 100%;
  background-color: var(--accent);
}

/* Mobile Toggle */
.mobile-nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-2);
  z-index: 1001;
}

.mobile-nav-toggle span {
  display: block;
  width: 25px;
  height: 3px;
  background-color: white;
  margin-bottom: 5px;
  transition: all var(--transition-normal);
  border-radius: var(--radius-full);
}

.mobile-nav-toggle span:last-child {
  margin-bottom: 0;
}

/* Mobile Open Menu Animation */
.mobile-nav-toggle.open span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.mobile-nav-toggle.open span:nth-child(2) {
  opacity: 0;
}

.mobile-nav-toggle.open span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* Mobile Nav Overlay */
@media (max-width: 992px) {
  .mobile-nav-toggle {
    display: block;
  }

  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 300px;
    height: 100vh;
    background-color: var(--primary-dark);
    box-shadow: var(--shadow-xl);
    flex-direction: column;
    justify-content: center;
    gap: var(--spacing-8);
    transition: right var(--transition-slow);
    z-index: 1000;
  }

  .nav-menu.open {
    right: 0;
  }

  .nav-cta {
    margin-top: var(--spacing-4);
  }
}

/* Footer */
.site-footer {
  background-color: var(--dark);
  color: var(--light);
  padding: var(--spacing-16) 0 var(--spacing-8);
  font-size: var(--text-sm);
  border-top: 5px solid var(--accent);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.5fr 1.5fr;
  gap: var(--spacing-8);
  margin-bottom: var(--spacing-12);
}

@media (max-width: 992px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 600px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-6);
  }
}

.footer-col h4 {
  color: var(--light);
  font-family: var(--font-display);
  font-size: var(--text-lg);
  margin-bottom: var(--spacing-4);
  position: relative;
  padding-bottom: var(--spacing-2);
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 2px;
  background-color: var(--accent);
}

.footer-col p {
  color: var(--light-dark);
  line-height: 1.7;
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  margin-bottom: var(--spacing-2);
}

.footer-col ul li a {
  color: var(--light-dark);
  transition: color var(--transition-fast);
}

.footer-col ul li a:hover {
  color: var(--accent);
  padding-left: 4px;
}

.footer-contact-info li {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-2);
  color: var(--light-dark);
}

.footer-contact-info li span {
  color: var(--accent);
}

.footer-socials {
  display: flex;
  gap: var(--spacing-4);
  margin-top: var(--spacing-4);
}

.footer-socials a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background-color: rgba(248, 250, 252, 0.1);
  color: var(--light);
  transition: all var(--transition-fast);
}

.footer-socials a:hover {
  background-color: var(--accent);
  color: var(--dark);
  transform: translateY(-3px);
}

/* Footer Bottom */
.footer-bottom {
  border-top: 1px solid rgba(248, 250, 252, 0.1);
  padding-top: var(--spacing-6);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-4);
}

.footer-bottom p {
  color: var(--light-dark);
  margin-bottom: 0;
}

.footer-bottom-links {
  display: flex;
  gap: var(--spacing-4);
}

.footer-bottom-links a {
  color: var(--light-dark);
}

.footer-bottom-links a:hover {
  color: var(--accent);
}

@media (max-width: 768px) {
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

/* Exit-Intent Modal */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(15, 23, 42, 0.8);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.modal-overlay.open {
  opacity: 1;
  pointer-events: all;
}

.modal-dialog {
  background-color: var(--light);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  max-width: 500px;
  width: 90%;
  position: relative;
  overflow: hidden;
  transform: scale(0.9);
  transition: transform var(--transition-normal);
  border-top: 6px solid var(--accent);
}

.modal-overlay.open .modal-dialog {
  transform: scale(1);
}

.modal-close {
  position: absolute;
  top: var(--spacing-4);
  right: var(--spacing-4);
  background: none;
  border: none;
  font-size: var(--text-2xl);
  cursor: pointer;
  color: var(--dark-soft);
  transition: color var(--transition-fast);
  line-height: 1;
  z-index: 10;
}

.modal-close:hover {
  color: var(--error);
}

.modal-content {
  padding: var(--spacing-8);
}

.modal-header h3 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  color: var(--dark);
  margin-bottom: var(--spacing-2);
}

.modal-header p {
  color: var(--dark-soft);
  font-size: var(--text-sm);
  margin-bottom: var(--spacing-6);
}

/* =============================================
   WhatsApp Floating Action Button (FAB)
   ============================================= */

@keyframes wa-pulse {
  0%   { transform: scale(1);   opacity: 0.75; }
  70%  { transform: scale(1.9); opacity: 0; }
  100% { transform: scale(2.2); opacity: 0; }
}

@keyframes wa-entrance {
  0%   { opacity: 0; transform: scale(0.4) translateY(20px); }
  70%  { transform: scale(1.08) translateY(-4px); }
  100% { opacity: 1; transform: scale(1) translateY(0); }
}

.wa-fab {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 1500;
  display: flex;
  align-items: center;
  gap: 10px;
  background-color: #25D366;
  color: white;
  border-radius: 50px;
  padding: 13px 13px;
  box-shadow: 0 6px 24px rgba(37, 211, 102, 0.45), 0 2px 8px rgba(0,0,0,0.18);
  text-decoration: none;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  white-space: nowrap;
  animation: wa-entrance 0.55s cubic-bezier(0.34, 1.56, 0.64, 1) 1.2s both;
  transition: box-shadow 0.25s ease, background-color 0.2s ease, padding 0.3s ease, border-radius 0.3s ease;
  overflow: hidden;
}

/* Pulse ring */
.wa-fab__pulse {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background-color: #25D366;
  animation: wa-pulse 2.2s ease-out infinite;
  pointer-events: none;
  z-index: -1;
}

/* WhatsApp SVG icon */
.wa-fab__icon {
  width: 30px;
  height: 30px;
  flex-shrink: 0;
  display: block;
  transition: transform 0.25s ease;
}

/* Tooltip label — hidden by default, slides in on hover */
.wa-fab__label {
  max-width: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-width 0.35s ease, opacity 0.25s ease, margin 0.3s ease;
  display: inline-block;
}

/* Hover state — expand label */
.wa-fab:hover {
  background-color: #1ebe5d;
  box-shadow: 0 8px 32px rgba(37, 211, 102, 0.55), 0 4px 12px rgba(0,0,0,0.2);
  padding: 13px 20px 13px 16px;
}

.wa-fab:hover .wa-fab__label {
  max-width: 180px;
  opacity: 1;
  margin-left: 2px;
}

.wa-fab:hover .wa-fab__icon {
  transform: scale(1.1) rotate(-6deg);
}

/* Mobile — compact icon only, no label expansion */
@media (max-width: 600px) {
  .wa-fab {
    bottom: 20px;
    right: 20px;
    padding: 13px;
  }

  .wa-fab:hover {
    padding: 13px;
  }

  .wa-fab:hover .wa-fab__label {
    max-width: 0;
    opacity: 0;
    margin-left: 0;
  }
}