.site-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.site-main {
  flex: 1;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(16px);
  background: rgba(244, 247, 250, 0.9);
  border-bottom: 1px solid rgba(216, 225, 232, 0.8);
}

.header-inner {
  display: grid;
  grid-template-columns: 112px 58px minmax(0, 1fr);
  align-items: center;
  gap: 1.1rem;
  min-height: 72px;
}

.theme-toggle {
  position: relative;
  width: 58px;
  height: 32px;
  flex-shrink: 0;
  border: 1px solid var(--color-toggle-border);
  border-radius: 999px;
  background: var(--color-toggle-track);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.theme-toggle::before {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--color-toggle-knob);
  box-shadow: 0 8px 16px var(--color-toggle-glow);
}

.theme-toggle-icon {
  position: absolute;
  inset: 0;
  color: var(--color-toggle-icon);
  pointer-events: none;
}

.theme-toggle-icon svg {
  position: absolute;
  top: 50%;
  width: 14px;
  height: 14px;
  fill: currentColor;
  transform: translateY(-50%);
}

.theme-toggle-icon .theme-sun {
  left: 8px;
  opacity: 1;
}

.theme-toggle-icon .theme-moon {
  right: 8px;
  opacity: 0.38;
}

html[data-theme="dark"] .theme-toggle::before {
  transform: translateX(26px);
}

html[data-theme="dark"] .theme-toggle-icon .theme-sun {
  opacity: 0.36;
  transform: translateY(-50%) scale(0.88);
}

html[data-theme="dark"] .theme-toggle-icon .theme-moon {
  opacity: 1;
  transform: translateY(-50%) scale(1.04);
}

.brand {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  width: 112px;
  min-width: 112px;
  max-width: 112px;
  justify-self: start;
  overflow: hidden;
}

.brand-logo-stack {
  position: relative;
  width: 176px;
  height: 56px;
  overflow: hidden;
}

.brand-logo {
  position: absolute;
  inset: 0;
  width: 176px;
  height: 56px;
  object-fit: contain;
  object-position: left center;
}

.brand-logo-light {
  transform: scale(2.34) translateY(2px);
  transform-origin: left center;
  opacity: 1;
}

.brand-logo-dark {
  opacity: 0;
}

html[data-theme="dark"] .brand-logo-light {
  opacity: 0;
}

html[data-theme="dark"] .brand-logo-dark {
  opacity: 1;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.7rem;
}

.nav-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.25rem;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 0.55rem 0.85rem;
  color: var(--color-texto-suave);
  border-radius: 999px;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-primario);
  background: rgba(15, 76, 129, 0.08);
}

html[data-current-page="inicio.html"] .nav-link[href="inicio.html"],
html[data-current-page="servicios.html"] .nav-link[href="servicios.html"],
html[data-current-page="legalizaciones-certificaciones.html"] .nav-link[href="legalizaciones-certificaciones.html"],
html[data-current-page="contacto.html"] .nav-link[href="contacto.html"],
html[data-current-page="compresores.html"] .nav-link.has-dropdown,
html[data-current-page="tratamiento-aire.html"] .nav-link.has-dropdown,
html[data-current-page="nitrogeno.html"] .nav-link.has-dropdown,
html[data-current-page="redes-aire-comprimido.html"] .nav-link.has-dropdown,
html[data-current-page="neumatica.html"] .nav-link.has-dropdown,
html[data-current-page="compresores.html"] .dropdown-link[href="compresores.html"],
html[data-current-page="tratamiento-aire.html"] .dropdown-link[href="tratamiento-aire.html"],
html[data-current-page="nitrogeno.html"] .dropdown-link[href="nitrogeno.html"],
html[data-current-page="redes-aire-comprimido.html"] .dropdown-link[href="redes-aire-comprimido.html"],
html[data-current-page="neumatica.html"] .dropdown-link[href="neumatica.html"] {
  color: var(--color-primario);
  background: rgba(15, 76, 129, 0.08);
}

.nav-link.private-link {
  background: linear-gradient(135deg, var(--color-primario-oscuro), var(--color-primario));
  color: #fff;
}

.nav-link.private-link:hover,
.nav-link.private-link.active {
  color: #fff;
  background: linear-gradient(135deg, var(--color-primario), var(--color-acento));
}

.nav-link.has-dropdown::after {
  content: "";
  width: 8px;
  height: 8px;
  margin-left: 0.55rem;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg) translateY(-1px);
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + 0.18rem);
  left: 0;
  min-width: 280px;
  padding: 0.75rem;
  display: grid;
  gap: 0.35rem;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.98);
  border: 1px solid rgba(216, 225, 232, 0.95);
  box-shadow: var(--sombra-media);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-8px);
}

html[data-ui-ready="true"] .site-header {
  transition: background var(--transicion), border-color var(--transicion), box-shadow var(--transicion);
}

html[data-ui-ready="true"] .theme-toggle {
  transition: background var(--transicion), border-color var(--transicion), box-shadow var(--transicion);
}

html[data-ui-ready="true"] .theme-toggle::before {
  transition: transform 0.6s ease, background var(--transicion), box-shadow var(--transicion);
}

html[data-ui-ready="true"] .theme-toggle-icon svg {
  transition: opacity 0.46s ease, transform 0.6s ease;
}

html[data-ui-ready="true"] .brand-logo {
  transition: opacity 0.34s ease;
}

html[data-ui-ready="true"] .nav-link {
  transition: color var(--transicion), background var(--transicion);
}

html[data-ui-ready="true"] .dropdown-menu {
  transition: opacity var(--transicion), transform var(--transicion);
}

html[data-theme="dark"] .site-header {
  background: rgba(8, 18, 29, 0.86);
  border-bottom-color: rgba(132, 167, 198, 0.12);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.18);
}

html[data-theme="dark"] .nav-link:hover,
html[data-theme="dark"] .nav-link.active {
  background: rgba(115, 185, 234, 0.14);
}

html[data-theme="dark"][data-current-page="inicio.html"] .nav-link[href="inicio.html"],
html[data-theme="dark"][data-current-page="servicios.html"] .nav-link[href="servicios.html"],
html[data-theme="dark"][data-current-page="legalizaciones-certificaciones.html"] .nav-link[href="legalizaciones-certificaciones.html"],
html[data-theme="dark"][data-current-page="contacto.html"] .nav-link[href="contacto.html"],
html[data-theme="dark"][data-current-page="compresores.html"] .nav-link.has-dropdown,
html[data-theme="dark"][data-current-page="tratamiento-aire.html"] .nav-link.has-dropdown,
html[data-theme="dark"][data-current-page="nitrogeno.html"] .nav-link.has-dropdown,
html[data-theme="dark"][data-current-page="redes-aire-comprimido.html"] .nav-link.has-dropdown,
html[data-theme="dark"][data-current-page="neumatica.html"] .nav-link.has-dropdown,
html[data-theme="dark"][data-current-page="compresores.html"] .dropdown-link[href="compresores.html"],
html[data-theme="dark"][data-current-page="tratamiento-aire.html"] .dropdown-link[href="tratamiento-aire.html"],
html[data-theme="dark"][data-current-page="nitrogeno.html"] .dropdown-link[href="nitrogeno.html"],
html[data-theme="dark"][data-current-page="redes-aire-comprimido.html"] .dropdown-link[href="redes-aire-comprimido.html"],
html[data-theme="dark"][data-current-page="neumatica.html"] .dropdown-link[href="neumatica.html"] {
  background: rgba(115, 185, 234, 0.14);
}

html[data-theme="dark"] .menu-toggle {
  background: rgba(13, 29, 44, 0.96);
  border-color: rgba(132, 167, 198, 0.18);
}

html[data-theme="dark"] .dropdown-menu {
  background: rgba(10, 24, 37, 0.98);
  border-color: rgba(132, 167, 198, 0.14);
}

html[data-theme="dark"] .dropdown-link:hover,
html[data-theme="dark"] .dropdown-link.active {
  background: rgba(115, 185, 234, 0.12);
}

.nav-item:hover .dropdown-menu,
.nav-item.is-open .dropdown-menu {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.dropdown-link {
  display: block;
  padding: 0.85rem 1rem;
  color: var(--color-texto-suave);
  border-radius: 16px;
  transition: background var(--transicion), color var(--transicion);
}

.dropdown-link:hover,
.dropdown-link.active {
  color: var(--color-primario);
  background: rgba(15, 76, 129, 0.08);
}

.menu-toggle {
  display: none;
  width: 48px;
  height: 48px;
  border: 1px solid var(--color-borde);
  border-radius: 14px;
  background: var(--color-fondo-claro);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
}

.menu-toggle span {
  width: 20px;
  height: 2px;
  border-radius: 99px;
  background: var(--color-primario);
  transition: transform var(--transicion), opacity var(--transicion);
}

.menu-open .menu-toggle span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

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

.menu-open .menu-toggle span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.site-footer {
  margin-top: 2rem;
  padding: 4rem 0 2rem;
  color: #dce7f1;
  background:
    linear-gradient(165deg, rgba(10, 47, 82, 0.98), rgba(15, 76, 129, 0.95)),
    linear-gradient(180deg, #0b2f50 0%, #0f4c81 100%);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 1fr;
  gap: 2rem;
}

.footer-brand {
  display: inline-flex;
  margin-bottom: 1.25rem;
}

.footer-logo {
  width: clamp(180px, 18vw, 250px);
  height: auto;
}

.footer-title {
  margin-bottom: 1rem;
  font-size: 1.05rem;
  color: #fff;
}

.footer-links,
.footer-contact {
  display: grid;
  gap: 0.75rem;
}

.site-footer .footer-contact {
  margin-top: 0.1rem;
}

.site-footer .footer-contact .contact-line {
  color: rgba(255, 255, 255, 0.92);
  padding-left: 2.4rem;
  line-height: 1.6;
}

.site-footer .footer-contact .contact-line::before {
  background-color: rgba(31, 138, 192, 0.92);
  box-shadow: 0 0 0 6px rgba(31, 138, 192, 0.14);
}

.site-footer .footer-contact .contact-line:hover,
.site-footer .footer-contact .contact-line:focus-visible {
  color: #fff;
}

.site-footer .footer-contact .contact-line:hover::before,
.site-footer .footer-contact .contact-line:focus-visible::before {
  box-shadow: 0 0 0 9px rgba(31, 138, 192, 0.12);
}

.footer-links a,
.footer-contact a,
.footer-legal-links a {
  transition: color var(--transicion), opacity var(--transicion);
}

.footer-links a:hover,
.footer-contact a:hover,
.footer-legal-links a:hover {
  color: rgba(255, 255, 255, 0.96);
}

.footer-note {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(220, 231, 241, 0.18);
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  color: rgba(220, 231, 241, 0.8);
}

.footer-legal-links {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-section {
  padding-top: 0;
}

.hero-layout {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2rem;
  align-items: center;
}

.hero-stack {
  display: grid;
  gap: 2rem;
}

.hero-fullbleed {
  width: 100%;
  margin-bottom: 2rem;
}

.split-section {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 2rem;
  align-items: center;
}

.page-banner {
  padding: 4.5rem 0 3rem;
}

.page-banner-card {
  padding: 2.5rem;
  position: relative;
  overflow: hidden;
}

.page-banner-card::after {
  content: "";
  position: absolute;
  inset: auto -8% -30% auto;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(31, 138, 192, 0.22), transparent 70%);
}

.cta-strip {
  padding: 0;
}

.cta-strip-card {
  padding: 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: 2rem;
  align-items: start;
}

.portal-layout {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 360px 1fr;
}

.portal-sidebar {
  background: linear-gradient(180deg, #0b2f50 0%, #123e67 100%);
  color: #ecf4fb;
  padding: 2rem;
  display: grid;
  align-content: start;
  gap: 2rem;
}

.portal-logo {
  width: min(220px, 100%);
  height: auto;
  margin-bottom: 1.5rem;
}

.portal-main {
  padding: 2rem;
  background: linear-gradient(180deg, #f8fbfd 0%, #edf3f8 100%);
}

html[data-theme="dark"] .portal-sidebar {
  background:
    radial-gradient(circle at top right, rgba(66, 183, 239, 0.16), transparent 24%),
    linear-gradient(180deg, #07111b 0%, #0d2235 100%);
  border-right: 1px solid rgba(132, 167, 198, 0.12);
}

html[data-theme="dark"] .portal-main {
  background:
    radial-gradient(circle at top right, rgba(66, 183, 239, 0.08), transparent 24%),
    linear-gradient(180deg, #071421 0%, #0b1a29 100%);
}

.portal-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
}

.entry-body {
  min-height: 100vh;
}

.entry-screen {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1.5rem;
}

.entry-panel {
  max-width: 720px;
  padding: 3rem;
  border-radius: 28px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.96), rgba(234, 241, 247, 0.96));
  border: 1px solid rgba(216, 225, 232, 0.85);
  box-shadow: var(--sombra-media);
}

.entry-logo {
  width: min(260px, 100%);
  height: auto;
  margin: 0 auto 1.5rem;
}