/* ===================================================================
   MP Servicios e Instalaciones — Estilos personalizados
   Complementa a Tailwind CSS. Mobile-first.
   Paleta:
     --azul-900 #061C3D  | --azul-800 #0B2C5C | --azul-700 #12407F
     --azul-500 #1E6FC4  | --azul-100 #E8F0FA
     --rojo     #D32027  | --amarillo #FFC20E | --whatsapp #25D366
   =================================================================== */

:root {
  --azul-900: #061C3D;
  --azul-800: #0B2C5C;
  --azul-700: #12407F;
  --azul-500: #1E6FC4;
  --azul-100: #E8F0FA;

  --rojo: #D32027;
  --rojo-oscuro: #A3151B;
  --amarillo: #FFC20E;

  --whatsapp: #25D366;
  --whatsapp-oscuro: #128C7E;

  --header-alto: 5rem;
}

/* ---------- Base ---------- */
html {
  scroll-behavior: smooth;
  /* Compensa el header fijo al saltar a un ancla */
  scroll-padding-top: var(--header-alto);
}

body {
  background-color: #ffffff;
  color: #334155;
  overflow-x: hidden;
}

/* Bloquea el scroll del body con el menú móvil abierto */
body.menu-abierto {
  overflow: hidden;
}

/* Anillo de foco accesible y consistente */
.focus-ring:focus-visible {
  outline: 3px solid var(--amarillo);
  outline-offset: 3px;
}

/* Enlace de salto para lectores de pantalla */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  padding: 0.75rem 1.25rem;
  background: var(--azul-800);
  color: #fff;
  font-weight: 700;
  border-radius: 0 0 0.5rem 0;
}
.skip-link:focus {
  left: 0;
}

/* ===================================================================
   HEADER
   =================================================================== */
.site-header {
  background-color: transparent;
  transition: background-color 0.3s ease, box-shadow 0.3s ease,
              backdrop-filter 0.3s ease, transform 0.3s ease;
}

/* Estado inicial sobre el hero: fondo degradado sutil para legibilidad */
.site-header::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(6, 28, 61, 0.75), transparent);
  pointer-events: none;
  transition: opacity 0.3s ease;
}

/* Estado tras hacer scroll (lo agrega main.js) */
.site-header.is-scrolled {
  background-color: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(10px);
  box-shadow: 0 6px 24px rgba(6, 28, 61, 0.12);
}
.site-header.is-scrolled::before {
  opacity: 0;
}

/* Oculta el header al bajar, lo muestra al subir (solo en móvil/tablet) */
.site-header.is-hidden {
  transform: translateY(-100%);
}

/* Logo tipo "sello": la imagen de perfil es cuadrada y con fondo blanco,
   así que la encuadramos para que se integre sobre los fondos oscuros. */
.brand-logo {
  width: 3.25rem;
  height: 3.25rem;
  flex-shrink: 0;
  object-fit: contain;
  padding: 0.25rem;
  border-radius: 0.75rem;
  background-color: #ffffff;
  box-shadow: 0 4px 14px rgba(6, 28, 61, 0.2);
}

/* Sobre el header ya scrolleado (fondo blanco) el sello no necesita sombra. */
.site-header.is-scrolled .brand-logo {
  box-shadow: none;
}

.header-brand      { color: #ffffff; transition: color 0.3s ease; }
.header-brand-sub  { color: var(--azul-100); transition: color 0.3s ease; }
.site-header.is-scrolled .header-brand     { color: var(--azul-800); }
.site-header.is-scrolled .header-brand-sub { color: var(--azul-500); }

/* Enlaces de navegación */
.nav-link {
  position: relative;
  padding: 0.5rem 0.9rem;
  font-size: 0.95rem;
  font-weight: 700;
  color: #ffffff;
  border-radius: 0.5rem;
  transition: color 0.25s ease;
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 0.9rem;
  right: 0.9rem;
  bottom: 0.25rem;
  height: 2px;
  background-color: var(--amarillo);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}
.nav-link:hover::after,
.nav-link:focus-visible::after {
  transform: scaleX(1);
}
.site-header.is-scrolled .nav-link { color: var(--azul-800); }
.site-header.is-scrolled .nav-link:hover { color: var(--azul-500); }
.site-header.is-scrolled .nav-link::after { background-color: var(--azul-500); }

/* ---------- Botón hamburguesa ---------- */
.hamburger { color: #ffffff; }
.site-header.is-scrolled .hamburger { color: var(--azul-800); }

.hamburger-box {
  display: block;
  width: 26px;
  height: 18px;
  position: relative;
}
.hamburger-bar {
  position: absolute;
  left: 0;
  width: 100%;
  height: 3px;
  border-radius: 2px;
  background-color: currentColor;
  transition: transform 0.3s ease, opacity 0.2s ease, top 0.3s ease;
}
.hamburger-bar:nth-child(1) { top: 0; }
.hamburger-bar:nth-child(2) { top: 7.5px; }
.hamburger-bar:nth-child(3) { top: 15px; }

/* Transformación a "X" cuando el menú está abierto */
.hamburger[aria-expanded="true"] .hamburger-bar:nth-child(1) {
  top: 7.5px;
  transform: rotate(45deg);
}
.hamburger[aria-expanded="true"] .hamburger-bar:nth-child(2) {
  opacity: 0;
}
.hamburger[aria-expanded="true"] .hamburger-bar:nth-child(3) {
  top: 7.5px;
  transform: rotate(-45deg);
}

/* ---------- Menú móvil ---------- */
.mobile-menu {
  background-color: #ffffff;
  border-top: 1px solid rgba(11, 44, 92, 0.1);
  box-shadow: 0 18px 32px rgba(6, 28, 61, 0.18);
  max-height: calc(100vh - var(--header-alto));
  overflow-y: auto;
  animation: desplegarMenu 0.25s ease-out;
}

@keyframes desplegarMenu {
  from { opacity: 0; transform: translateY(-10px); }
  to   { opacity: 1; transform: translateY(0); }
}

.mobile-link {
  display: block;
  padding: 0.9rem 1rem;
  border-radius: 0.6rem;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--azul-800);
  transition: background-color 0.2s ease, color 0.2s ease;
}
.mobile-link:hover,
.mobile-link:focus-visible {
  background-color: var(--azul-100);
  color: var(--azul-500);
}

/* ===================================================================
   HERO
   =================================================================== */
.hero {
  position: relative;
  background-color: var(--azul-800);
  /* Degradado corporativo. Para usar una foto de fondo, agregar
     assets/img/hero-bg.jpg y sumar su url() debajo del degradado. */
  background-image: linear-gradient(135deg, rgba(6, 28, 61, 0.94) 0%, rgba(18, 64, 127, 0.88) 100%);
  background-size: cover;
  background-position: center;
}

/* Textura diagonal sutil sobre el fondo */
.hero-overlay {
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    115deg,
    rgba(255, 255, 255, 0.035) 0px,
    rgba(255, 255, 255, 0.035) 2px,
    transparent 2px,
    transparent 14px
  );
}

.hero-figure {
  position: relative;
  border-radius: 1.25rem;
  padding: 0.6rem;
  background: linear-gradient(140deg, rgba(255, 255, 255, 0.22), rgba(255, 255, 255, 0.04));
  box-shadow: 0 28px 60px rgba(0, 0, 0, 0.42);
}

.hero-caption {
  position: absolute;
  left: 50%;
  bottom: -1.1rem;
  transform: translateX(-50%);
  white-space: nowrap;
  padding: 0.6rem 1.4rem;
  border-radius: 9999px;
  background-color: var(--amarillo);
  color: var(--azul-900);
  font-size: 0.8rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  box-shadow: 0 10px 22px rgba(0, 0, 0, 0.3);
}

/* Pulso suave del CTA principal */
.cta-pulse {
  animation: pulsoCta 2.6s ease-in-out infinite;
}
@keyframes pulsoCta {
  0%, 100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.55); }
  70%      { box-shadow: 0 0 0 18px rgba(37, 211, 102, 0); }
}

/* ===================================================================
   SECCIÓN DE URGENCIAS (colores de alerta)
   =================================================================== */
/* Banda superior: único bloque con colores de alerta */
.urgency-banner {
  background-color: var(--rojo);
  background-image: linear-gradient(135deg, var(--rojo) 0%, var(--rojo-oscuro) 100%);
  position: relative;
  overflow: hidden;
}
.urgency-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    45deg,
    rgba(255, 255, 255, 0.05) 0px,
    rgba(255, 255, 255, 0.05) 12px,
    transparent 12px,
    transparent 24px
  );
  pointer-events: none;
}
.urgency-banner > * { position: relative; }

.urgency-badge {
  display: inline-block;
  padding: 0.55rem 1.5rem;
  border-radius: 9999px;
  background-color: var(--amarillo);
  color: var(--azul-900);
  font-size: 0.85rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  animation: parpadeoUrgencia 2s ease-in-out infinite;
}
@keyframes parpadeoUrgencia {
  0%, 100% { transform: scale(1); }
  50%      { transform: scale(1.05); }
}

/* Listado de servicios eléctricos: ya fuera de la banda roja,
   sigue la paleta corporativa del resto del sitio. */
.urgency-item {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  padding: 1.1rem 1.2rem;
  border-radius: 0.9rem;
  background-color: #f8fafc;
  border: 1px solid #e2e8f0;
  transition: background-color 0.25s ease, border-color 0.25s ease,
              box-shadow 0.25s ease, transform 0.25s ease;
}
.urgency-item:hover {
  background-color: #ffffff;
  border-color: var(--azul-100);
  box-shadow: 0 14px 28px rgba(6, 28, 61, 0.1);
  transform: translateY(-3px);
}
.urgency-item h3 {
  font-size: 1rem;
  font-weight: 800;
  color: var(--azul-800);
  line-height: 1.25;
}

.urgency-icon {
  width: 2.6rem;
  height: 2.6rem;
  flex-shrink: 0;
  padding: 0.55rem;
  border-radius: 0.65rem;
  background-color: var(--azul-100);
  color: var(--azul-700);
  transition: background-color 0.25s ease, color 0.25s ease;
}
.urgency-item:hover .urgency-icon {
  background-color: var(--azul-700);
  color: #ffffff;
}

/* ===================================================================
   SECCIONES GENERALES
   =================================================================== */
.section-eyebrow {
  display: inline-block;
  padding: 0.4rem 1rem;
  border-radius: 9999px;
  background-color: var(--azul-100);
  color: var(--azul-700);
  font-size: 0.75rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

/* ---------- Tarjetas de servicio ---------- */
.service-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 1.75rem;
  border-radius: 1.25rem;
  background-color: #ffffff;
  border: 1px solid #e2e8f0;
  box-shadow: 0 2px 10px rgba(6, 28, 61, 0.05);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}
/* Barra superior que aparece en hover */
.service-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--azul-500), var(--azul-700));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s ease;
}
.service-card:hover {
  transform: translateY(-6px);
  border-color: var(--azul-100);
  box-shadow: 0 20px 40px rgba(6, 28, 61, 0.13);
}
.service-card:hover::before { transform: scaleX(1); }

.service-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3.5rem;
  height: 3.5rem;
  margin-bottom: 1.25rem;
  border-radius: 1rem;
  background-color: var(--azul-100);
  color: var(--azul-700);
  transition: background-color 0.3s ease, color 0.3s ease, transform 0.3s ease;
}
.service-icon svg { width: 1.75rem; height: 1.75rem; }
.service-card:hover .service-icon {
  background-color: var(--azul-700);
  color: #ffffff;
  transform: scale(1.06);
}

.service-title {
  font-size: 1.2rem;
  font-weight: 900;
  color: var(--azul-800);
}
.service-text {
  margin-top: 0.6rem;
  font-size: 0.95rem;
  line-height: 1.6;
  color: #64748b;
}

/* Variante CTA dentro del grid de servicios */
.service-card--cta {
  justify-content: center;
  text-align: center;
  align-items: center;
  background-image: linear-gradient(140deg, var(--azul-800), var(--azul-700));
  border-color: transparent;
}
.service-card--cta::before { display: none; }
.service-card--cta:hover { transform: translateY(-6px); }

/* ---------- Galería de trabajos ---------- */
.gallery-item {
  position: relative;
  margin: 0;
  border-radius: 1.25rem;
  overflow: hidden;
  background-color: #e2e8f0;
  box-shadow: 0 2px 10px rgba(6, 28, 61, 0.06);
  transition: transform 0.35s ease, box-shadow 0.35s ease;
}
.gallery-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 22px 44px rgba(6, 28, 61, 0.18);
}

/* Todas las fotos se muestran con la misma proporción, sin deformarse.
   Las verticales se recortan al centro. */
.gallery-item img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  object-position: center;
  transition: transform 0.5s ease;
}
.gallery-item:hover img {
  transform: scale(1.05);
}

.gallery-item figcaption {
  position: absolute;
  inset-inline: 0;
  bottom: 0;
  padding: 2.5rem 1.25rem 1.1rem;
  /* Degradado para que el texto se lea sobre cualquier foto */
  background: linear-gradient(to top, rgba(6, 28, 61, 0.92) 0%, rgba(6, 28, 61, 0.7) 45%, transparent 100%);
  color: #ffffff;
}
.gallery-item figcaption h3 {
  font-size: 1.05rem;
  font-weight: 900;
  line-height: 1.25;
}
.gallery-item figcaption p {
  margin-top: 0.15rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--azul-100);
}

/* ---------- Tarjetas de ventajas ---------- */
.benefit-card {
  padding: 2rem 1.5rem;
  text-align: center;
  border-radius: 1.25rem;
  background-color: #f8fafc;
  border: 1px solid #e2e8f0;
  transition: transform 0.3s ease, box-shadow 0.3s ease, background-color 0.3s ease;
}
.benefit-card:hover {
  transform: translateY(-5px);
  background-color: #ffffff;
  box-shadow: 0 18px 36px rgba(6, 28, 61, 0.1);
}

.benefit-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 4rem;
  height: 4rem;
  margin-bottom: 1.25rem;
  border-radius: 9999px;
  background-image: linear-gradient(140deg, var(--azul-700), var(--azul-500));
  color: #ffffff;
  box-shadow: 0 10px 22px rgba(30, 111, 196, 0.3);
}
.benefit-icon svg { width: 2rem; height: 2rem; }

.benefit-title {
  font-size: 1.05rem;
  font-weight: 900;
  color: var(--azul-800);
}
.benefit-text {
  margin-top: 0.5rem;
  font-size: 0.92rem;
  line-height: 1.6;
  color: #64748b;
}

/* ===================================================================
   FOOTER
   =================================================================== */
.footer-link {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  color: #94a3b8;
  transition: color 0.25s ease;
}
.footer-link:hover { color: #ffffff; }

.social-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 0.85rem;
  background-color: rgba(255, 255, 255, 0.08);
  color: #ffffff;
  transition: background-color 0.25s ease, transform 0.25s ease;
}
.social-btn:hover {
  background-color: var(--azul-500);
  transform: translateY(-3px);
}

/* Bandera argentina simplificada (sello "Trabajamos en Argentina") */
.flag-ar {
  display: inline-block;
  width: 1.5rem;
  height: 1rem;
  border-radius: 2px;
  background: linear-gradient(
    to bottom,
    #74ACDF 0%, #74ACDF 33.33%,
    #FFFFFF 33.33%, #FFFFFF 66.66%,
    #74ACDF 66.66%, #74ACDF 100%
  );
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.25);
}

/* ===================================================================
   BOTÓN FLOTANTE DE WHATSAPP
   =================================================================== */
.whatsapp-float {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 60;

  display: inline-flex;
  align-items: center;
  gap: 0.65rem;

  height: 3.75rem;
  padding: 0 1.1rem;
  border-radius: 9999px;

  background-color: var(--whatsapp);
  color: #ffffff;
  font-weight: 800;
  font-size: 0.95rem;
  text-decoration: none;

  box-shadow: 0 12px 28px rgba(18, 140, 126, 0.45);
  transition: transform 0.25s ease, background-color 0.25s ease, box-shadow 0.25s ease;
}
.whatsapp-float svg {
  width: 1.9rem;
  height: 1.9rem;
  flex-shrink: 0;
}
.whatsapp-float:hover {
  background-color: var(--whatsapp-oscuro);
  transform: translateY(-3px) scale(1.03);
  box-shadow: 0 16px 34px rgba(18, 140, 126, 0.55);
}
.whatsapp-float:focus-visible {
  outline: 3px solid var(--azul-900);
  outline-offset: 3px;
}

/* Halo animado permanente para atraer la atención */
.whatsapp-float::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 9999px;
  border: 2px solid var(--whatsapp);
  animation: haloWhatsapp 2.2s ease-out infinite;
  pointer-events: none;
}
@keyframes haloWhatsapp {
  0%   { transform: scale(1);    opacity: 0.7; }
  100% { transform: scale(1.35); opacity: 0; }
}

/* En móvil solo se muestra el ícono (círculo) para no tapar contenido */
@media (max-width: 639px) {
  .whatsapp-float {
    width: 3.75rem;
    padding: 0;
    justify-content: center;
  }
  .whatsapp-float__label {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
  }
}

/* ===================================================================
   ANIMACIONES DE APARICIÓN (activadas por main.js)
   =================================================================== */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease-out, transform 0.7s ease-out;
  will-change: opacity, transform;
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
}
.reveal-delay-1 { transition-delay: 0.12s; }
.reveal-delay-2 { transition-delay: 0.24s; }

/* Sin JS o con JS deshabilitado, el contenido debe verse igual */
.no-js .reveal {
  opacity: 1;
  transform: none;
}

/* ===================================================================
   ACCESIBILIDAD: respeta la preferencia de movimiento reducido
   =================================================================== */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}

/* ===================================================================
   IMPRESIÓN
   =================================================================== */
@media print {
  .site-header,
  .whatsapp-float,
  .mobile-menu {
    display: none !important;
  }
  body { color: #000; }
}