/* ==========================================================================
   CAMIN Europa — Hoja de estilos única, mobile-first
   Identidad de marca extraída del sitio original (azules CAMIN + Metropolis)
   ========================================================================== */

/* ---------- Tipografía propia Metropolis ---------- */
@font-face {
  font-family: "Metropolis";
  src: url("../fonts/Metropolis-Regular.otf") format("opentype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Metropolis";
  src: url("../fonts/Metropolis-SemiBold.otf") format("opentype");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Metropolis";
  src: url("../fonts/Metropolis-Bold.otf") format("opentype");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

/* ---------- Variables de diseño ---------- */
:root {
  --azul-primario: #0d4e88;
  --azul-oscuro: #0c1a29;
  --azul-marca: #10222d;
  --azul-medio: #3b5672;
  --azul-acento: #4f7da9;
  --azul-claro: #7395b9;
  --dorado: #c1b142;
  --gris-titulo: #8f8f8f;
  --gris-texto: #555;
  --gris-suave: #5c5c5c;
  --fondo-suave: #f7f7f7;
  --blanco: #fff;

  --fuente: "Metropolis", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --contenedor: 1180px;
  --radio: 8px;
  --header-h: 76px;
  --sombra: 0 6px 24px rgba(12, 26, 41, 0.08);
  --transicion: 0.25s ease;
}

/* ---------- Reset ligero ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); }

body {
  margin: 0;
  font-family: var(--fuente);
  font-weight: 400;
  color: var(--gris-texto);
  line-height: 1.65;
  background: var(--blanco);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a { color: var(--azul-primario); text-decoration: none; transition: color var(--transicion); }
a:hover { color: var(--azul-medio); }

h1, h2, h3, h4 { font-weight: 600; color: var(--azul-marca); line-height: 1.25; }

ul { line-height: 1.7; }

:focus-visible { outline: 3px solid var(--azul-acento); outline-offset: 2px; }

.contenedor { width: 100%; max-width: var(--contenedor); margin: 0 auto; padding: 0 20px; }

.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;
}

/* Enlace de salto para accesibilidad */
.saltar-a-contenido {
  position: absolute; left: -999px; top: 0; z-index: 2000;
  background: var(--azul-primario); color: #fff; padding: 12px 18px; border-radius: 0 0 6px 0;
}
.saltar-a-contenido:focus { left: 0; color: #fff; }

/* ---------- Título de sección con línea decorativa ---------- */
.titulo-seccion {
  text-align: center;
  font-size: clamp(1.9rem, 5vw, 3.1rem);
  color: var(--gris-titulo);
  letter-spacing: 1px;
  margin: 0 auto 0.6em;
  text-transform: uppercase;
}
.titulo-seccion::after {
  content: "";
  display: block;
  width: 60px;
  border-top: 3px solid var(--azul-acento);
  margin: 18px auto 0;
}

.seccion { padding: 70px 0; }
.seccion--suave { background: var(--fondo-suave); }

/* ==========================================================================
   Cabecera / navegación
   ========================================================================== */
.cabecera {
  position: sticky; top: 0; z-index: 1000;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: saturate(140%) blur(6px);
  border-bottom: 1px solid #e7e7e7;
}
.cabecera__inner {
  display: flex; align-items: center; justify-content: space-between;
  height: var(--header-h);
}
.cabecera__logo img { height: 46px; width: auto; }

.nav__lista {
  list-style: none; margin: 0; padding: 0;
  display: flex; gap: 6px;
}
.nav__lista a {
  display: block; padding: 10px 14px; border-radius: 6px;
  color: var(--azul-marca); font-weight: 600; font-size: 0.95rem;
  text-transform: uppercase; letter-spacing: 0.5px;
}
.nav__lista a:hover,
.nav__lista a[aria-current="page"] { background: var(--fondo-suave); color: var(--azul-primario); }

/* Botón hamburguesa */
.nav__toggle {
  display: inline-flex; flex-direction: column; justify-content: center; gap: 5px;
  width: 46px; height: 46px; padding: 10px; border: 2px solid var(--dorado);
  background: var(--azul-primario); border-radius: 8px; cursor: pointer;
}
.nav__toggle span { display: block; height: 2px; background: #fff; border-radius: 2px; transition: var(--transicion); }
.nav__toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  position: relative;
  min-height: 78vh;
  display: flex; align-items: center; justify-content: center;
  color: #fff; text-align: center;
  background: linear-gradient(rgba(12, 26, 41, 0.55), rgba(12, 26, 41, 0.55)),
    url("../img/hero-home.jpg") center / cover no-repeat;
}
.hero__titulo {
  color: #fff;
  font-size: clamp(1.9rem, 6vw, 4rem);
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin: 0 0 28px;
  max-width: 14ch;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.4);
}
.hero__flecha {
  display: inline-block; color: #fff; font-size: 2rem; line-height: 1;
  animation: rebote 1.8s infinite;
}
@keyframes rebote { 0%,100% { transform: translateY(0); } 50% { transform: translateY(8px); } }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .hero__flecha { animation: none; } }

/* ==========================================================================
   Servicios (tarjetas)
   ========================================================================== */
.grid-servicios {
  display: grid; gap: 26px;
  grid-template-columns: 1fr;
}
.tarjeta {
  background: #fff; border-radius: var(--radio); overflow: hidden;
  box-shadow: var(--sombra); display: flex; flex-direction: column;
  transition: transform var(--transicion), box-shadow var(--transicion);
}
.tarjeta:hover { transform: translateY(-5px); box-shadow: 0 14px 34px rgba(12, 26, 41, 0.15); }
.tarjeta__img { aspect-ratio: 16 / 10; object-fit: cover; width: 100%; }
.tarjeta__cuerpo { padding: 22px 22px 26px; display: flex; flex-direction: column; flex: 1; }
.tarjeta__titulo { color: var(--azul-medio); font-size: 1.2rem; margin: 0 0 12px; }
.tarjeta__texto { font-size: 0.95rem; color: var(--gris-texto); margin: 0 0 18px; flex: 1; }

.enlace-mas {
  font-weight: 600; color: var(--azul-medio); text-transform: none;
  display: inline-flex; align-items: center; gap: 6px; align-self: flex-start;
}
.enlace-mas::after { content: "►"; font-size: 0.75em; transition: transform var(--transicion); }
.enlace-mas:hover::after { transform: translateX(4px); }

/* Tarjeta especial de tecnología (sin foto, marca CAMIN Cloud/Tech) */
.tarjeta__img--tech {
  aspect-ratio: 16 / 10; width: 100%;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--azul-primario), var(--azul-oscuro));
}
.tarjeta__img--tech img { width: 46%; max-width: 150px; height: auto; }

/* ==========================================================================
   Misión y Visión
   ========================================================================== */
.mv-grid { display: grid; grid-template-columns: 1fr; gap: 24px; }
.mv-card {
  background: #fff; border-radius: var(--radio); box-shadow: var(--sombra);
  padding: 34px 30px; border-top: 4px solid var(--azul-acento);
}
.mv-card h3 { color: var(--azul-primario); font-size: 1.3rem; margin: 0 0 14px; }
.mv-card p { margin: 0; font-size: 0.98rem; }

/* ==========================================================================
   Valores
   ========================================================================== */
.valores {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px;
  list-style: none; margin: 0; padding: 0;
}
.valores li {
  background: #fff; border: 1px solid #e7e7e7; border-radius: var(--radio);
  padding: 18px 10px; text-align: center; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.5px; font-size: 0.9rem;
  color: var(--azul-medio);
}

/* Aliados comerciales */
.aliados { list-style: none; margin: 22px 0 0; padding: 0; display: grid; gap: 10px; }
.aliados li {
  background: #fff; border-left: 3px solid var(--azul-acento);
  padding: 12px 16px; font-size: 0.95rem; border-radius: 4px; box-shadow: var(--sombra);
}

/* ==========================================================================
   Nosotros (bloque imagen + texto)
   ========================================================================== */
.bloque-doble { display: grid; grid-template-columns: 1fr; gap: 0; align-items: stretch; }
.bloque-doble__texto { padding: 48px 24px; background: var(--fondo-suave); }
.bloque-doble__texto h2 { text-align: left; }
.bloque-doble__texto h2::after { margin-left: 0; }
.bloque-doble__img {
  min-height: 280px;
  background-size: cover; background-position: center;
}

.boton {
  display: inline-block; text-transform: uppercase; letter-spacing: 0.5px;
  font-weight: 600; font-size: 0.82rem;
  color: var(--azul-claro); border: 1px solid var(--azul-claro);
  padding: 11px 24px; border-radius: 24px;
  transition: var(--transicion);
}
.boton:hover { background: var(--azul-claro); color: #fff; }
.boton--relleno { background: var(--azul-primario); border-color: var(--azul-primario); color: #fff; }
.boton--relleno:hover { background: var(--azul-oscuro); border-color: var(--azul-oscuro); color: #fff; }

/* ==========================================================================
   Clientes
   ========================================================================== */
.grid-clientes {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 30px; align-items: center;
}
.grid-clientes img { margin: 0 auto; max-height: 90px; width: auto; object-fit: contain; filter: grayscale(20%); }

/* ==========================================================================
   Contacto
   ========================================================================== */
.contacto-grid { display: grid; grid-template-columns: 1fr; gap: 40px; }
#mapa { width: 100%; height: 340px; border-radius: var(--radio); z-index: 0; }
.contacto-bloque h3 {
  color: var(--azul-primario); font-size: 1.15rem; margin: 0 0 14px;
  padding-bottom: 8px; border-bottom: 2px solid var(--azul-acento); display: inline-block;
}
.contacto-datos { font-size: 0.95rem; line-height: 1.8; }

/* Formulario */
.formulario { display: grid; gap: 14px; }
.formulario input,
.formulario textarea {
  width: 100%; font-family: var(--fuente); font-size: 0.95rem;
  padding: 12px 14px; border: 1px solid #d8d8d8; border-radius: 6px;
  background: var(--fondo-suave); color: var(--gris-texto);
}
.formulario textarea { min-height: 150px; resize: vertical; }
.formulario input:focus,
.formulario textarea:focus { border-color: var(--azul-acento); background: #fff; outline: none; }
.formulario .check { display: flex; gap: 9px; align-items: flex-start; font-size: 0.82rem; }
.formulario .check input[type="checkbox"] { width: 18px; height: 18px; flex: 0 0 auto; margin: 2px 0 0; padding: 0; border: 1px solid #cbd6e2; border-radius: 4px; background: #fff; accent-color: var(--azul-primario); cursor: pointer; }
.formulario button { justify-self: start; cursor: pointer; border: none; }
.form-aviso { font-size: 0.9rem; margin: 6px 0 0; }
.form-aviso--ok { color: #1a7a3c; }
.form-aviso--error { color: #b3261e; }

.oficinas { display: grid; gap: 18px; }
.oficinas img { max-height: 70px; width: auto; margin: 0 auto; }

/* ==========================================================================
   Páginas internas (servicios + legales)
   ========================================================================== */
.pagina-interna { padding: 50px 0 70px; }
.pagina-interna .titulo-seccion { margin-bottom: 40px; }
.contenido-articulo { max-width: 900px; margin: 0 auto; text-align: justify; }
.contenido-articulo h2 { color: var(--azul-medio); font-size: 1.35rem; margin: 32px 0 12px; text-align: left; }
.contenido-articulo p { color: var(--gris-suave); font-size: 1rem; margin: 0 0 16px; }
.contenido-articulo ul { color: var(--gris-suave); margin: 0 0 16px; padding-left: 22px; }
.contenido-articulo li { margin-bottom: 6px; }
.contenido-articulo .foto-servicio {
  float: none; width: 100%; border-radius: var(--radio); margin: 0 0 22px;
}
.volver { margin-top: 30px; }

/* ==========================================================================
   Pie de página
   ========================================================================== */
.pie { background: var(--azul-oscuro); color: #cdd6e0; padding: 48px 0 26px; }
.pie a { color: #cdd6e0; }
.pie a:hover { color: #fff; }
.pie__grid { display: grid; grid-template-columns: 1fr; gap: 34px; }
.pie h4 { color: #fff; font-size: 1rem; text-transform: uppercase; letter-spacing: 1px; margin: 0 0 16px; }
.pie__lista { list-style: none; margin: 0; padding: 0; }
.pie__lista li { margin-bottom: 8px; font-size: 0.92rem; }
.redes { display: flex; gap: 12px; }
.redes a {
  display: inline-flex; align-items: center; justify-content: center;
  width: 42px; height: 42px; background: rgba(255, 255, 255, 0.1); border-radius: 50%;
  transition: background var(--transicion);
}
.redes a:hover { background: var(--azul-primario); }
.redes img { width: 20px; height: 20px; }
.pie__powered img { height: 40px; width: auto; }
.pie__copy {
  text-align: center; margin-top: 34px; padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.12); font-size: 0.85rem; color: #9fb0c0;
}

/* Botón volver arriba */
.ir-arriba {
  position: fixed; right: 20px; bottom: 20px; z-index: 900;
  width: 46px; height: 46px; border-radius: 50%; border: none; cursor: pointer;
  background: var(--azul-primario); color: #fff; font-size: 1.3rem; line-height: 1;
  box-shadow: var(--sombra); opacity: 0; pointer-events: none; transition: opacity var(--transicion);
}
.ir-arriba.visible { opacity: 1; pointer-events: auto; }

/* ==========================================================================
   Responsive — a partir de tablet / escritorio
   ========================================================================== */
@media (max-width: 860px) {
  .nav { position: fixed; inset: var(--header-h) 0 auto 0; background: var(--azul-primario);
    max-height: 0; overflow: hidden; transition: max-height 0.3s ease; }
  .nav.abierto { max-height: 380px; }
  .nav__lista { flex-direction: column; gap: 0; padding: 8px 0; }
  .nav__lista a { color: #fff; padding: 14px 24px; border-radius: 0; }
  .nav__lista a:hover,
  .nav__lista a[aria-current="page"] { background: rgba(255, 255, 255, 0.12); color: #fff; }
}

@media (min-width: 861px) {
  .nav__toggle { display: none; }
}

@media (min-width: 600px) {
  .grid-servicios { grid-template-columns: repeat(2, 1fr); }
  .grid-clientes { grid-template-columns: repeat(4, 1fr); }
}

@media (min-width: 600px) {
  .valores { grid-template-columns: repeat(4, 1fr); }
  .mv-grid { grid-template-columns: 1fr 1fr; }
}

@media (min-width: 992px) {
  .grid-servicios { grid-template-columns: repeat(3, 1fr); }
  .bloque-doble { grid-template-columns: 1fr 1fr; }
  .bloque-doble__texto { padding: 70px 60px; }
  .contacto-grid { grid-template-columns: 1.2fr 1fr; }
  .pie__grid { grid-template-columns: 2fr 1fr 1fr 1.3fr; }
  .contenido-articulo .foto-servicio { float: right; width: 46%; margin: 0 0 20px 26px; }
  .valores { grid-template-columns: repeat(8, 1fr); }
}