.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(14, 47, 68, 0.97);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  z-index: var(--z-index-fixed);
  transition: box-shadow var(--transition-normal), height var(--transition-normal);
}

.site-header.scrolled {
  box-shadow: var(--shadow-md);
  height: var(--header-height);
}

@media (max-width: 768px) {
  .site-header {
    height: var(--header-height-mobile);
  }
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-xl);
  margin: 0 auto;
  padding: 0 var(--space-4);
}

@media (min-width: 640px) {
  .header-inner {
    padding: 0 var(--space-6);
  }
}

@media (min-width: 1024px) {
  .header-inner {
    padding: 0 var(--space-8);
  }
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--color-white);
  flex-shrink: 0;
}

.logo:hover {
  text-decoration: none;
  color: var(--color-white);
}

.logo-img {
  width: 48px;
  height: 48px;
  object-fit: contain;
}

.logo-text {
  display: none;
  flex-direction: column;
  line-height: 1.1;
}

@media (min-width: 768px) {
  .logo-text {
    display: flex;
  }
}

.logo-title {
  font-family: var(--font-heading);
  font-weight: var(--font-bold);
  font-size: var(--text-lg);
  color: var(--color-white);
}

.logo-tagline {
  font-size: var(--text-xs);
  color: var(--color-secondary);
  font-weight: var(--font-medium);
  letter-spacing: 0.03em;
}

.main-nav {
  display: none;
  align-items: center;
  gap: var(--space-1);
}

@media (min-width: 768px) {
  .main-nav {
    display: flex;
  }
}

.nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: rgba(255, 255, 255, 0.92);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  text-decoration: none;
  position: relative;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-white);
  background: rgba(255, 255, 255, 0.12);
  text-decoration: none;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--color-secondary);
  transition: all var(--transition-normal);
  transform: translateX(-50%);
  border-radius: 2px;
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 80%;
}

.nav-link.has-dropdown {
  padding-right: var(--space-8);
}

.nav-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 200px;
  background: var(--bg-primary);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  padding: var(--space-3);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all var(--transition-normal);
  z-index: var(--z-index-dropdown);
}

.nav-item:hover .nav-dropdown,
.nav-item:focus-within .nav-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav-dropdown-link {
  display: block;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.nav-dropdown-link:hover {
  color: var(--color-primary);
  background: rgba(var(--color-primary-rgb), 0.08);
  text-decoration: none;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.header-cta {
  display: none;
  background-color: var(--color-secondary);
  border-color: var(--color-secondary);
  color: var(--color-primary-dark);
}

.header-cta:hover:not(:disabled) {
  background-color: var(--color-secondary-dark);
  border-color: var(--color-secondary-dark);
  color: var(--color-primary-dark);
}

@media (min-width: 768px) {
  .header-cta {
    display: inline-flex;
  }
}

.mobile-menu-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  color: var(--color-white);
  background: rgba(255, 255, 255, 0.12);
  transition: all var(--transition-fast);
}

.mobile-menu-btn:hover {
  background: rgba(255, 255, 255, 0.22);
}

.mobile-menu-btn:focus-visible {
  box-shadow: var(--focus-ring);
}

.mobile-menu-btn[aria-expanded="true"] .menu-open {
  display: block;
}

.mobile-menu-btn[aria-expanded="true"] .menu-close {
  display: none;
}

.mobile-menu-btn[aria-expanded="false"] .menu-open {
  display: none;
}

.mobile-menu-btn[aria-expanded="false"] .menu-close {
  display: block;
}

@media (min-width: 768px) {
  .mobile-menu-btn {
    display: none;
  }
}

.mobile-nav {
  position: fixed;
  top: var(--header-height-mobile);
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg-primary);
  padding: var(--space-6) var(--space-4);
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform var(--transition-slow) ease-out;
  z-index: var(--z-index-fixed);
  box-shadow: var(--shadow-xl);
}

.mobile-nav.open {
  transform: translateX(0);
}

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.mobile-nav-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-4);
  font-size: var(--text-lg);
  font-weight: var(--font-medium);
  color: var(--text-primary);
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
  background: rgba(var(--color-primary-rgb), 0.08);
  color: var(--color-primary);
  text-decoration: none;
}

.mobile-nav-cta {
  margin-top: var(--space-6);
  padding: var(--space-4);
  text-align: center;
}

.whatsapp-float {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  width: 60px;
  height: 60px;
  border-radius: var(--radius-full);
  background: #25D366;
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-xl);
  z-index: var(--z-index-fixed);
  animation: pulse 2s infinite;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: var(--shadow-2xl);
  text-decoration: none;
  color: var(--color-white);
}

.whatsapp-float:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring), var(--shadow-xl);
}

.whatsapp-float svg {
  width: 28px;
  height: 28px;
}

.whatsapp-tooltip {
  position: absolute;
  right: 70px;
  top: 50%;
  transform: translateY(-50%);
  background: var(--color-gray-900);
  color: var(--color-white);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
  pointer-events: none;
}

.whatsapp-tooltip::after {
  content: '';
  position: absolute;
  left: 100%;
  top: 50%;
  transform: translateY(-50%);
  border: 6px solid transparent;
  border-left-color: var(--color-gray-900);
}

.whatsapp-float:hover .whatsapp-tooltip {
  opacity: 1;
  visibility: visible;
  transform: translateY(-50%) translateX(8px);
}

@media (max-width: 768px) {
  .whatsapp-float {
    width: 56px;
    height: 56px;
    bottom: var(--space-4);
    right: var(--space-4);
  }

  .whatsapp-tooltip {
    display: none;
  }
}

.site-footer {
  background: var(--color-primary-dark);
  color: var(--color-gray-300);
  padding: var(--space-16) 0 var(--space-8);
}

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

@media (min-width: 640px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .footer-grid {
    grid-template-columns: 2fr repeat(3, 1fr);
  }
}

.footer-brand {
  max-width: 320px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.footer-logo-img {
  width: 56px;
  height: 56px;
}

.footer-tagline {
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-4);
  color: var(--color-gray-400);
}

.footer-social {
  display: flex;
  gap: var(--space-3);
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.1);
  color: var(--color-gray-300);
  transition: all var(--transition-fast);
}

.social-link:hover {
  background: var(--color-secondary);
  color: var(--color-primary-dark);
  text-decoration: none;
  transform: translateY(-2px);
}

.social-link svg {
  width: 20px;
  height: 20px;
}

.footer-title {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--color-white);
  margin-bottom: var(--space-4);
  position: relative;
  padding-bottom: var(--space-2);
}

.footer-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 3px;
  background: var(--color-secondary);
  border-radius: 2px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer-link {
  font-size: var(--text-sm);
  color: var(--color-gray-300);
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--color-secondary);
  text-decoration: none;
}

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-gray-300);
}

.contact-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  margin-top: 2px;
  color: var(--color-secondary);
}

.contact-item a {
  color: var(--color-gray-300);
  transition: color var(--transition-fast);
}

.contact-item a:hover {
  color: var(--color-secondary);
  text-decoration: none;
}

.footer-bottom {
  padding-top: var(--space-8);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
  text-align: center;
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

.footer-copyright {
  font-size: var(--text-sm);
  color: var(--color-gray-500);
}

.footer-legal {
  display: flex;
  gap: var(--space-6);
}

.footer-legal a {
  font-size: var(--text-sm);
  color: var(--color-gray-500);
  transition: color var(--transition-fast);
}

.footer-legal a:hover {
  color: var(--color-secondary);
  text-decoration: none;
}

.page-header {
  background: var(--color-primary-dark);
  color: var(--color-white);
  padding: var(--space-20) 0 var(--space-12);
  margin-top: var(--header-height);
}

@media (max-width: 768px) {
  .page-header {
    padding: var(--space-16) 0 var(--space-8);
    margin-top: var(--header-height-mobile);
  }
}

.page-header-inner {
  max-width: var(--container-xl);
  margin: 0 auto;
  padding: 0 var(--space-4);
  text-align: center;
}

@media (min-width: 640px) {
  .page-header-inner {
    padding: 0 var(--space-6);
  }
}

@media (min-width: 1024px) {
  .page-header-inner {
    padding: 0 var(--space-8);
  }
}

.page-title {
  font-size: var(--text-4xl);
  font-weight: var(--font-bold);
  margin-bottom: var(--space-4);
  color: var(--color-white);
}

@media (max-width: 768px) {
  .page-title {
    font-size: var(--text-3xl);
  }
}

.page-subtitle {
  font-size: var(--text-lg);
  color: var(--color-gray-300);
  max-width: 600px;
  margin: 0 auto;
}

@media (max-width: 768px) {
  .page-subtitle {
    font-size: var(--text-base);
  }
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  margin-top: var(--space-6);
  justify-content: center;
}

@media (min-width: 768px) {
  .breadcrumb {
    justify-content: flex-start;
  }
}

.breadcrumb-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.breadcrumb-separator {
  color: var(--color-gray-500);
}

.breadcrumb-link {
  color: var(--color-gray-300);
  transition: color var(--transition-fast);
}

.breadcrumb-link:hover {
  color: var(--color-secondary);
  text-decoration: none;
}

.breadcrumb-current {
  color: var(--color-white);
  font-weight: var(--font-medium);
}

.main-content {
  min-height: calc(100vh - var(--header-height) - 400px);
}

@media (max-width: 768px) {
  .main-content {
    min-height: calc(100vh - var(--header-height-mobile) - 400px);
  }
}