/* =========================================================
   Desguace Maximino Ojeda — hoja de estilos
   Mobile-first: estilos base para móvil (<640px),
   media queries hacia tablet (≥40rem) y escritorio (≥64rem).
   ========================================================= */

:root {
  /* Colores de marca: rojo y negro del logo */
  --c-primario: #9e2430;
  --c-primario-oscuro: #771a24;
  --c-acento: #b3222f;
  --c-acento-oscuro: #8c1b26;
  --c-fondo: #f8f5f5;
  --c-superficie: #ffffff;
  --c-tinta: #191214;
  --c-texto: #3d3336;
  --c-texto-suave: #6f6366;
  --c-borde: #e8dfe0;
  --c-pendiente: #b05a00;

  /* Tipografía y ritmo */
  --fuente: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --radio: 0.75rem;
  --sombra: 0 0.25rem 1.25rem rgba(25, 18, 20, 0.08);
  --ancho-max: 70rem;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--fuente);
  color: var(--c-texto);
  background: var(--c-fondo);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

.container {
  width: min(100% - 2.5rem, var(--ancho-max));
  margin-inline: auto;
}

h1, h2, h3 {
  color: var(--c-tinta);
  line-height: 1.2;
  text-wrap: balance;
}

h2 {
  font-size: clamp(1.5rem, 1.2rem + 1.5vw, 2.25rem);
  margin-bottom: 0.75rem;
}

.section {
  padding-block: clamp(3rem, 2rem + 4vw, 5.5rem);
}

.section-intro {
  color: var(--c-texto-suave);
  max-width: 40rem;
  margin-bottom: 2rem;
}

.pendiente {
  color: var(--c-pendiente);
  font-weight: 600;
}

/* Enlace "saltar al contenido": visible solo al recibir foco con teclado */
.saltar {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 100;
  background: var(--c-tinta);
  color: #fff;
  padding: 0.75rem 1.25rem;
  border-radius: 0 0 var(--radio) var(--radio);
  text-decoration: none;
}

.saltar:focus-visible {
  top: 0;
}

/* Contenido solo para lectores de pantalla */
.visualmente-oculto {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- Botones (área táctil mínima 44px) ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.75rem;
  padding: 0.625rem 1.5rem;
  border-radius: 999px;
  font-weight: 600;
  text-decoration: none;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.btn-primary {
  background: var(--c-acento);
  color: #fff;
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: var(--c-acento-oscuro);
}

.btn-outline {
  border: 2px solid #fff;
  color: #fff;
}

.btn-outline:hover,
.btn-outline:focus-visible {
  background: rgba(255, 255, 255, 0.15);
}

.btn-header {
  background: var(--c-primario);
  color: #fff;
  padding: 0.5rem 1.25rem;
}

.btn-header:hover,
.btn-header:focus-visible {
  background: var(--c-primario-oscuro);
}

/* ---------- Cabecera ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--c-superficie);
  border-bottom: 1px solid var(--c-borde);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 4rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  padding-block: 0.5rem;
}

.brand-logo {
  height: 2.5rem;
  width: auto;
}

/* En móvil la navegación se oculta: la página es de una sola pantalla
   y el botón "Contactar" cubre la acción principal. */
.site-nav {
  display: none;
}

.site-nav a {
  color: var(--c-texto);
  text-decoration: none;
  font-weight: 500;
  padding: 0.75rem 0.5rem;
  border-radius: 0.375rem;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--c-primario);
}

/* ---------- Hero ---------- */

.hero {
  background:
    linear-gradient(rgba(20, 12, 14, 0.76), rgba(20, 12, 14, 0.76)),
    url("assets/hero.webp") center / cover no-repeat;
  color: #fff;
  padding-block: clamp(4rem, 3rem + 6vw, 8rem);
}

.hero-inner {
  max-width: 46rem;
}

.hero-badge {
  display: inline-block;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 999px;
  padding: 0.375rem 1rem;
  font-size: 0.85rem;
  letter-spacing: 0.02em;
  margin-bottom: 1.25rem;
}

.hero h1 {
  color: #fff;
  font-size: clamp(2rem, 1.4rem + 3.5vw, 3.5rem);
  margin-bottom: 0.75rem;
}

.hero-claim {
  font-size: clamp(1.05rem, 1rem + 0.5vw, 1.35rem);
  color: rgba(255, 255, 255, 0.92);
  max-width: 34rem;
  margin-bottom: 2rem;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* ---------- Servicios ---------- */

.cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.card {
  position: relative;
  background: var(--c-superficie);
  border: 1px solid var(--c-borde);
  border-radius: var(--radio);
  padding: 3.25rem 1.5rem 1.75rem;
  margin-top: 2.5rem; /* hueco para el círculo del icono */
  box-shadow: var(--sombra);
  text-align: center;
}

.card-icon {
  position: absolute;
  top: -2.5rem;
  left: 50%;
  transform: translateX(-50%);
  width: 5rem;
  height: 5rem;
  padding: 1.3rem;
  border-radius: 50%;
  background: var(--c-primario);
  color: #fff;
  box-shadow: var(--sombra);
}

.card h3 {
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
}

.card p {
  color: var(--c-texto-suave);
  font-size: 0.95rem;
}

/* Tarjeta destacada: para el servicio estrella (clase "card card--destacada") */
.card--destacada {
  background: var(--c-primario);
  border-color: var(--c-primario);
}

.card--destacada h3 {
  color: #fff;
}

.card--destacada p {
  color: rgba(255, 255, 255, 0.88);
}

.card--destacada .card-icon {
  background: var(--c-superficie);
  color: var(--c-primario);
}

.cards-extra {
  margin-top: 1.5rem;
  color: var(--c-texto-suave);
}

/* ---------- Confianza ---------- */

.confianza {
  background: var(--c-superficie);
}

.confianza-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: center;
}

.confianza-texto p {
  margin-top: 1rem;
  max-width: 38rem;
}

.confianza-datos {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.confianza-datos li {
  background: var(--c-fondo);
  border: 1px solid var(--c-borde);
  border-radius: var(--radio);
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.dato-cifra {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--c-primario);
  min-width: 3.5rem;
}

.dato-texto {
  color: var(--c-texto-suave);
  font-size: 0.95rem;
}

/* ---------- Galería ---------- */

.galeria-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.galeria-grid figure {
  border-radius: var(--radio);
  overflow: hidden;
  box-shadow: var(--sombra);
}

.galeria-grid img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

/* ---------- Contacto ---------- */

.contacto-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.contacto-datos {
  list-style: none;
  background: var(--c-superficie);
  border: 1px solid var(--c-borde);
  border-radius: var(--radio);
  padding: 1.5rem;
  display: grid;
  gap: 1.25rem;
  align-content: start;
}

.contacto-label {
  display: block;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--c-texto-suave);
  margin-bottom: 0.25rem;
}

.contacto-valor {
  color: var(--c-tinta);
}

.contacto-valor a {
  color: var(--c-primario);
  text-decoration: none;
  display: inline-block;
  padding-block: 0.25rem;
}

.contacto-valor a:hover,
.contacto-valor a:focus-visible {
  text-decoration: underline;
}

.mapa {
  border-radius: var(--radio);
  overflow: hidden;
  box-shadow: var(--sombra);
}

.mapa iframe {
  display: block;
  width: 100%;
  min-height: 20rem;
  height: 100%;
  border: 0;
}

/* ---------- Pie de página ---------- */

.site-footer {
  background: var(--c-tinta);
  color: rgba(255, 255, 255, 0.8);
  padding-block: 2.5rem 1.5rem;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.footer-brand {
  color: #fff;
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 0.25rem;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
}

.footer-nav a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  padding-block: 0.5rem;
}

.footer-nav a:hover,
.footer-nav a:focus-visible {
  color: #fff;
}

.footer-legal {
  padding-top: 1.25rem;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.55);
}

.footer-social {
  display: flex;
  gap: 0.75rem;
}

.footer-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.85);
  transition: background-color 0.2s ease, color 0.2s ease;
}

.footer-social a:hover,
.footer-social a:focus-visible {
  background: var(--c-primario);
  color: #fff;
}

.footer-social svg {
  width: 1.25rem;
  height: 1.25rem;
}

.footer-credito {
  margin-top: 0.5rem;
}

.footer-credito a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
}

.footer-credito a:hover,
.footer-credito a:focus-visible {
  color: #fff;
  text-decoration: underline;
}

/* ---------- Botones flotantes ---------- */

.flotantes {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  z-index: 50;
}

.flotante {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 50%;
  color: #fff;
  box-shadow: 0 0.375rem 1rem rgba(25, 18, 20, 0.3);
  transition: transform 0.15s ease, background-color 0.2s ease;
}

.flotante:hover,
.flotante:focus-visible {
  transform: scale(1.06);
}

.flotante svg {
  width: 1.65rem;
  height: 1.65rem;
}

.flotante-tel {
  background: var(--c-primario);
}

.flotante-tel:hover,
.flotante-tel:focus-visible {
  background: var(--c-primario-oscuro);
}

.flotante-wsp {
  background: #25d366;
}

.flotante-wsp:hover,
.flotante-wsp:focus-visible {
  background: #1eb855;
}

/* ---------- Página "redes en construcción" ---------- */

.redes-main {
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: 1.5rem;
  background:
    radial-gradient(circle at 20% 20%, rgba(179, 34, 47, 0.35), transparent 45%),
    radial-gradient(circle at 80% 80%, rgba(158, 36, 48, 0.3), transparent 45%),
    var(--c-tinta);
}

.redes-card {
  background: var(--c-superficie);
  border-radius: var(--radio);
  box-shadow: 0 1rem 3rem rgba(0, 0, 0, 0.35);
  padding: clamp(2rem, 1.5rem + 3vw, 3.5rem);
  max-width: 32rem;
  width: 100%;
  text-align: center;
}

.redes-logo {
  height: 3.5rem;
  width: auto;
  margin-inline: auto;
  margin-bottom: 1.75rem;
}

.redes-iconos {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
  color: var(--c-primario);
}

.redes-iconos svg {
  width: 2rem;
  height: 2rem;
}

.redes-card h1 {
  font-size: clamp(1.5rem, 1.2rem + 1.5vw, 2rem);
  margin-bottom: 0.75rem;
}

.redes-card p {
  color: var(--c-texto-suave);
  margin-bottom: 2rem;
}

/* =========================================================
   Tablet (≥640px)
   ========================================================= */

@media (min-width: 40rem) {
  .site-nav {
    display: flex;
    gap: 0.5rem;
  }

  .brand-logo {
    height: 3rem;
  }

  .cards {
    grid-template-columns: repeat(2, 1fr);
  }

  .confianza-datos {
    grid-template-columns: repeat(2, 1fr);
  }

  .galeria-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .contacto-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* El alto de la fila lo marca la columna de datos; sin este mínimo
     el mapa se queda pequeño en pantallas anchas */
  .mapa iframe {
    min-height: 24rem;
  }

  .footer-inner {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-start;
  }
}

/* =========================================================
   Escritorio (≥1024px)
   ========================================================= */

@media (min-width: 64rem) {
  .cards {
    grid-template-columns: repeat(4, 1fr);
  }

  .confianza-grid {
    grid-template-columns: 1.2fr 1fr;
  }

  .galeria-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .contacto-grid {
    grid-template-columns: 1fr 1.4fr;
  }

  .mapa iframe {
    min-height: 30rem;
  }
}

/* =========================================================
   Animaciones (con script.js; ver prefers-reduced-motion)
   ========================================================= */

@keyframes subir {
  from {
    opacity: 0;
    transform: translateY(1.25rem);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.hero-badge,
.hero h1,
.hero-claim,
.hero-ctas {
  animation: subir 0.7s ease both;
}

.hero h1 { animation-delay: 0.1s; }
.hero-claim { animation-delay: 0.2s; }
.hero-ctas { animation-delay: 0.3s; }

.redes-card {
  animation: subir 0.6s ease both;
}

/* Estado oculto que script.js aplica antes de revelar al hacer scroll */
.reveal {
  opacity: 0;
  transform: translateY(1.25rem);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.card {
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.card:hover {
  transform: translateY(-0.25rem);
  box-shadow: 0 0.75rem 2rem rgba(0, 0, 0, 0.12);
}

.galeria-grid img {
  transition: transform 0.4s ease;
}

.galeria-grid figure:hover img {
  transform: scale(1.04);
}

/* Contact Cards Grid */

.contact-cards-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-bottom: 3rem;
}

@media (min-width: 40rem) {
  .contact-cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 64rem) {
  .contact-cards-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.contact-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 2rem 1.5rem;
  background: var(--c-superficie);
  border: 1px solid var(--c-borde);
  border-radius: var(--radio);
  text-decoration: none;
  color: inherit;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.contact-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--c-primario);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.contact-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 0.75rem 2rem rgba(0, 0, 0, 0.12);
}

.contact-card:hover::before {
  transform: scaleX(1);
}

.contact-icon {
  width: 4rem;
  height: 4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--c-primario), var(--c-acento));
  border-radius: 50%;
  margin-bottom: 1rem;
  color: #fff;
  flex-shrink: 0;
  transition: transform 0.3s ease;
}

.contact-card:hover .contact-icon {
  transform: scale(1.1) rotate(5deg);
}

.contact-icon svg {
  width: 2rem;
  height: 2rem;
}

.contact-card h3 {
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
  color: var(--c-tinta);
}

.contact-value {
  font-size: 0.95rem;
  color: var(--c-texto-suave);
  margin-bottom: 0.75rem;
  font-weight: 500;
}

.contact-value small {
  font-size: 0.85rem;
  display: block;
  line-height: 1.4;
}

.contact-action {
  font-size: 0.85rem;
  color: var(--c-primario);
  font-weight: 600;
  opacity: 0;
  transform: translateY(0.5rem);
  transition: all 0.3s ease;
}

.contact-card:hover .contact-action {
  opacity: 1;
  transform: translateY(0);
}

.mapa-container {
  width: 100%;
  border-radius: var(--radio);
  overflow: hidden;
  box-shadow: var(--sombra);
}

.mapa-container iframe {
  width: 100%;
  height: 24rem;
  border: none;
}

@media (prefers-reduced-motion: reduce) {
  .hero-badge,
  .hero h1,
  .hero-claim,
  .hero-ctas,
  .redes-card {
    animation: none;
  }

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

  .card,
  .galeria-grid img {
    transition: none;
  }
}