/* ========================================
   REFORMAS EN CASTELLDEFELS — STYLES
   Paleta: azules profesionales, blancos, grises
   ======================================== */

:root {
  --azul-principal: #0a3d62;
  --azul-claro: #3c6382;
  --azul-accent: #0984e3;
  --verde-wa: #25D366;
  --verde-wa-hover: #128C7E;
  --naranja-cta: #ff6b35;
  --naranja-cta-hover: #e55a2b;
  --gris-texto: #2d3436;
  --gris-medio: #636e72;
  --gris-claro: #dfe6e9;
  --gris-fondo: #f5f7fa;
  --blanco: #ffffff;
  --sombra-suave: 0 2px 10px rgba(0,0,0,0.06);
  --sombra-media: 0 4px 20px rgba(0,0,0,0.08);
  --sombra-fuerte: 0 10px 40px rgba(0,0,0,0.12);
  --radio: 10px;
  --transicion: all 0.25s ease;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--gris-texto);
  line-height: 1.65;
  font-size: 16px;
  background: var(--blanco);
  overflow-x: hidden;
}

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

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

/* ===== TIPOGRAFÍA ===== */
h1, h2, h3, h4 {
  color: var(--azul-principal);
  line-height: 1.25;
  font-weight: 700;
  margin-bottom: 0.6em;
}
h1 { font-size: clamp(1.8rem, 4.5vw, 2.8rem); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.1rem); margin-top: 1.5em; }
h3 { font-size: clamp(1.15rem, 2.5vw, 1.35rem); margin-top: 1.2em; color: var(--azul-claro); }
h4 { font-size: 1.05rem; color: var(--gris-texto); }

p { margin-bottom: 1em; }
.container { max-width: 1150px; margin: 0 auto; padding: 0 20px; }
.container-sm { max-width: 850px; margin: 0 auto; padding: 0 20px; }

/* ===== HEADER / NAV ===== */
.header {
  background: var(--blanco);
  box-shadow: var(--sombra-suave);
  position: sticky;
  top: 0;
  z-index: 100;
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 15px 20px;
  max-width: 1200px;
  margin: 0 auto;
}
.logo {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--azul-principal);
  display: flex;
  align-items: center;
  gap: 8px;
}
.logo-icon {
  width: 34px; height: 34px;
  background: var(--azul-principal);
  color: white;
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-weight: 900;
}
.nav-links {
  display: flex;
  gap: 22px;
  list-style: none;
}
.nav-links a {
  color: var(--gris-texto);
  font-weight: 500;
  font-size: 0.95rem;
}
.nav-links a:hover, .nav-links a.active { color: var(--azul-accent); }

.nav-phone {
  background: var(--naranja-cta);
  color: white !important;
  padding: 10px 18px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 0.9rem;
  white-space: nowrap;
}
.nav-phone:hover { background: var(--naranja-cta-hover); color: white !important; }

.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.6rem;
  cursor: pointer;
  color: var(--azul-principal);
}

/* ===== HERO ===== */
.hero {
  background: linear-gradient(135deg, var(--azul-principal) 0%, var(--azul-claro) 100%);
  color: white;
  padding: 80px 20px 70px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -50%; right: -20%;
  width: 600px; height: 600px;
  background: rgba(255,255,255,0.04);
  border-radius: 50%;
}
.hero-content {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 2;
}
.hero h1 { color: white; margin-bottom: 20px; }
.hero p.subtitulo {
  font-size: clamp(1.05rem, 2.2vw, 1.25rem);
  opacity: 0.95;
  margin-bottom: 30px;
  max-width: 700px;
  margin-left: auto; margin-right: auto;
}
.hero-badges {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 30px;
}
.hero-badge {
  background: rgba(255,255,255,0.15);
  padding: 8px 16px;
  border-radius: 50px;
  font-size: 0.88rem;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.2);
}

/* ===== BOTONES ===== */
.btn {
  display: inline-block;
  padding: 14px 30px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 1rem;
  text-align: center;
  cursor: pointer;
  transition: var(--transicion);
  border: none;
  text-decoration: none;
}
.btn-primary {
  background: var(--naranja-cta);
  color: white;
  box-shadow: 0 4px 14px rgba(255, 107, 53, 0.35);
}
.btn-primary:hover {
  background: var(--naranja-cta-hover);
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 107, 53, 0.45);
}
.btn-secondary {
  background: white;
  color: var(--azul-principal);
  border: 2px solid white;
}
.btn-secondary:hover {
  background: transparent;
  color: white;
}
.btn-wa {
  background: var(--verde-wa);
  color: white;
  box-shadow: 0 4px 14px rgba(37, 211, 102, 0.4);
}
.btn-wa:hover { background: var(--verde-wa-hover); color: white; transform: translateY(-2px); }

.cta-group {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 15px;
}

/* ===== SECCIONES GENERALES ===== */
section { padding: 70px 0; }
section.alt { background: var(--gris-fondo); }

.section-title {
  text-align: center;
  margin-bottom: 15px;
}
.section-lead {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 50px;
  color: var(--gris-medio);
  font-size: 1.1rem;
}

/* ===== GRID DE SERVICIOS ===== */
.servicios-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 25px;
  margin-top: 40px;
}
.servicio-card {
  background: white;
  border-radius: var(--radio);
  padding: 30px 25px;
  box-shadow: var(--sombra-suave);
  transition: var(--transicion);
  border: 1px solid var(--gris-claro);
}
.servicio-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--sombra-fuerte);
  border-color: var(--azul-accent);
}
.servicio-card .icono {
  width: 55px; height: 55px;
  background: linear-gradient(135deg, var(--azul-principal), var(--azul-accent));
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 18px;
  color: white;
}
.servicio-card h3 { margin-top: 0; color: var(--azul-principal); }
.servicio-card p { color: var(--gris-medio); font-size: 0.97rem; }
.servicio-card .link-mas {
  display: inline-block;
  margin-top: 15px;
  color: var(--azul-accent);
  font-weight: 600;
  font-size: 0.95rem;
}

/* ===== BENEFICIOS / FEATURES ===== */
.beneficios {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 25px;
  margin-top: 40px;
}
.beneficio {
  text-align: center;
  padding: 25px 15px;
}
.beneficio .num {
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--naranja-cta);
  display: block;
  margin-bottom: 8px;
}
.beneficio h4 { color: var(--azul-principal); margin-bottom: 8px; }
.beneficio p { color: var(--gris-medio); font-size: 0.95rem; }

/* ===== PROCESO / PASOS ===== */
.proceso {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 25px;
  margin-top: 40px;
}
.paso {
  text-align: center;
  padding: 30px 20px;
  background: white;
  border-radius: var(--radio);
  box-shadow: var(--sombra-suave);
  position: relative;
}
.paso-num {
  width: 45px; height: 45px;
  background: var(--azul-principal);
  color: white;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800;
  font-size: 1.2rem;
  margin: 0 auto 15px;
}
.paso h4 { color: var(--azul-principal); margin-bottom: 10px; }
.paso p { font-size: 0.93rem; color: var(--gris-medio); }

/* ===== TESTIMONIOS ===== */
.testimonios {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 25px;
  margin-top: 40px;
}
.testimonio {
  background: white;
  padding: 28px 25px;
  border-radius: var(--radio);
  box-shadow: var(--sombra-suave);
  border-left: 4px solid var(--naranja-cta);
}
.testimonio .estrellas { color: #f39c12; margin-bottom: 10px; font-size: 1.05rem; }
.testimonio blockquote { font-style: italic; color: var(--gris-texto); margin-bottom: 15px; font-size: 0.98rem; }
.testimonio cite {
  font-style: normal;
  font-weight: 600;
  color: var(--azul-principal);
  font-size: 0.92rem;
}
.testimonio cite span { display: block; color: var(--gris-medio); font-weight: 400; font-size: 0.85rem; }

/* ===== FAQ ===== */
.faq-item {
  background: white;
  border: 1px solid var(--gris-claro);
  border-radius: var(--radio);
  margin-bottom: 12px;
  overflow: hidden;
}
.faq-pregunta {
  padding: 18px 22px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  color: var(--azul-principal);
  user-select: none;
  background: white;
  border: none;
  width: 100%;
  text-align: left;
  font-size: 1rem;
}
.faq-pregunta:hover { background: var(--gris-fondo); }
.faq-pregunta .chevron { transition: var(--transicion); font-size: 1.4rem; }
.faq-item.active .faq-pregunta .chevron { transform: rotate(45deg); }
.faq-respuesta {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
  padding: 0 22px;
  color: var(--gris-medio);
}
.faq-item.active .faq-respuesta { max-height: 600px; padding: 0 22px 20px; }

/* ===== CTA BANNER ===== */
.cta-banner {
  background: linear-gradient(135deg, var(--azul-principal), var(--azul-accent));
  color: white;
  padding: 60px 20px;
  text-align: center;
  border-radius: var(--radio);
  margin: 40px auto;
  max-width: 1000px;
}
.cta-banner h2 { color: white; }
.cta-banner p { opacity: 0.95; font-size: 1.1rem; margin-bottom: 25px; }

/* ===== FORMULARIO ===== */
.form-contacto {
  background: white;
  padding: 40px 30px;
  border-radius: var(--radio);
  box-shadow: var(--sombra-media);
  max-width: 600px;
  margin: 0 auto;
}
.form-group { margin-bottom: 18px; }
.form-group label {
  display: block;
  margin-bottom: 6px;
  font-weight: 600;
  color: var(--azul-principal);
  font-size: 0.93rem;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 14px;
  border: 2px solid var(--gris-claro);
  border-radius: 8px;
  font-family: inherit;
  font-size: 1rem;
  transition: var(--transicion);
  background: var(--gris-fondo);
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--azul-accent);
  background: white;
}
.form-group textarea { resize: vertical; min-height: 110px; }
.form-rgpd {
  font-size: 0.82rem;
  color: var(--gris-medio);
  margin-top: 10px;
}
.form-rgpd input { width: auto; margin-right: 6px; }

/* ===== CONTENIDO DE PÁGINA (artículos) ===== */
.pagina-contenido {
  padding: 60px 0;
}
.pagina-contenido h2 { margin-top: 1.8em; }
.pagina-contenido h3 { margin-top: 1.4em; }
.pagina-contenido ul, .pagina-contenido ol { margin: 1em 0 1.2em 1.5em; }
.pagina-contenido li { margin-bottom: 0.5em; }
.pagina-contenido .destacado {
  background: var(--gris-fondo);
  padding: 20px 25px;
  border-left: 4px solid var(--naranja-cta);
  border-radius: 8px;
  margin: 25px 0;
  font-size: 1.03rem;
}
.pagina-contenido .aviso {
  background: #fff4e6;
  border-left: 4px solid #ff9500;
  padding: 18px 22px;
  border-radius: 8px;
  margin: 25px 0;
  color: #6d4c00;
}

/* ===== FOOTER ===== */
.footer {
  background: var(--azul-principal);
  color: white;
  padding: 50px 0 20px;
  margin-top: 60px;
}
.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 30px;
  margin-bottom: 30px;
}
.footer h4 { color: white; margin-bottom: 15px; font-size: 1.05rem; }
.footer ul { list-style: none; }
.footer ul li { margin-bottom: 8px; }
.footer a { color: rgba(255,255,255,0.85); font-size: 0.93rem; }
.footer a:hover { color: white; text-decoration: underline; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.15);
  padding-top: 20px;
  text-align: center;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.7);
}

/* ===== WHATSAPP FLOTANTE ===== */
.whatsapp-float {
  position: fixed;
  bottom: 25px;
  right: 25px;
  width: 60px; height: 60px;
  background: var(--verde-wa);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 5px 20px rgba(37, 211, 102, 0.5);
  z-index: 999;
  animation: pulse-wa 2s infinite;
  transition: var(--transicion);
}
.whatsapp-float:hover {
  transform: scale(1.1);
  background: var(--verde-wa-hover);
}
.whatsapp-float svg { width: 34px; height: 34px; fill: white; }

@keyframes pulse-wa {
  0% { box-shadow: 0 5px 20px rgba(37, 211, 102, 0.5), 0 0 0 0 rgba(37, 211, 102, 0.7); }
  70% { box-shadow: 0 5px 20px rgba(37, 211, 102, 0.5), 0 0 0 15px rgba(37, 211, 102, 0); }
  100% { box-shadow: 0 5px 20px rgba(37, 211, 102, 0.5), 0 0 0 0 rgba(37, 211, 102, 0); }
}

/* ===== BREADCRUMBS ===== */
.breadcrumbs {
  background: var(--gris-fondo);
  padding: 12px 0;
  font-size: 0.88rem;
}
.breadcrumbs ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
}
.breadcrumbs li { color: var(--gris-medio); }
.breadcrumbs li:not(:last-child)::after { content: '›'; margin-left: 8px; color: var(--gris-medio); }
.breadcrumbs a { color: var(--azul-accent); }

/* ===== RESPONSIVE ===== */
@media (max-width: 850px) {
  .menu-toggle { display: block; }
  .nav-links {
    display: none;
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: white;
    flex-direction: column;
    padding: 20px;
    box-shadow: var(--sombra-media);
    gap: 15px;
  }
  .nav-links.open { display: flex; }
  .nav-phone { font-size: 0.82rem; padding: 8px 14px; }
  .hero { padding: 50px 20px 45px; }
  section { padding: 50px 0; }
  .whatsapp-float { width: 55px; height: 55px; bottom: 18px; right: 18px; }
  .whatsapp-float svg { width: 30px; height: 30px; }
  .form-contacto { padding: 25px 20px; }
}

@media (max-width: 500px) {
  .hero-badges { flex-direction: column; align-items: center; }
  .cta-group { flex-direction: column; }
  .cta-group .btn { width: 100%; }
}