/* ============================================================
   Fotovoltaica ACS - styles.css
   ============================================================ */

/* --- Variables CSS --- */
:root {
  --azul:        #1a4a8a;
  --azul-claro:  #2e6dd4;
  --azul-hover:  #163d73;
  --amarillo:    #f5a623;
  --amarillo-hover: #d98d0e;
  --verde:       #25d366;
  --verde-hover: #1da851;
  --blanco:      #ffffff;
  --gris-claro:  #f4f6f9;
  --gris-medio:  #e2e7ef;
  --gris-texto:  #555e6d;
  --negro:       #1a1a2e;
  --radio:       8px;
  --sombra:      0 4px 18px rgba(0,0,0,0.10);
  --sombra-md:   0 8px 32px rgba(0,0,0,0.14);
  --trans:       0.25s ease;
  --fuente:      'Segoe UI', system-ui, -apple-system, sans-serif;
}

/* --- Reset y base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--fuente);
  color: var(--negro);
  background: var(--blanco);
  line-height: 1.65;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--azul-claro); text-decoration: none; transition: color var(--trans); }
a:hover { color: var(--azul); }
ul { list-style: none; }
input, select, textarea, button { font-family: var(--fuente); }

/* --- Utilidades --- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.section-pad { padding: 72px 0; }
.section-pad-sm { padding: 48px 0; }
.text-center { text-align: center; }
.mt-8  { margin-top:  8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mb-8  { margin-bottom:  8px; }
.mb-16 { margin-bottom: 16px; }
.bg-gris  { background: var(--gris-claro); }
.bg-azul  { background: var(--azul); color: var(--blanco); }
.bg-amarillo { background: var(--amarillo); }

/* --- Tipografía headings --- */
h1, h2, h3, h4 { line-height: 1.25; font-weight: 700; }
h1 { font-size: clamp(1.75rem, 4vw, 2.8rem); color: var(--blanco); }
h2 { font-size: clamp(1.4rem, 3vw, 2.1rem); color: var(--azul); margin-bottom: 12px; }
h3 { font-size: clamp(1.1rem, 2.5vw, 1.35rem); color: var(--azul); margin-bottom: 8px; }
.section-intro { font-size: 1.05rem; color: var(--gris-texto); max-width: 720px; margin: 0 auto 40px; }

/* --- Botones --- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 28px; border-radius: var(--radio); font-weight: 600;
  font-size: 1rem; cursor: pointer; border: 2px solid transparent;
  transition: background var(--trans), color var(--trans), transform var(--trans), box-shadow var(--trans);
  text-decoration: none; white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); box-shadow: var(--sombra); }
.btn-primary { background: var(--amarillo); color: var(--negro); border-color: var(--amarillo); }
.btn-primary:hover { background: var(--amarillo-hover); border-color: var(--amarillo-hover); color: var(--negro); }
.btn-outline { background: transparent; color: var(--blanco); border-color: var(--blanco); }
.btn-outline:hover { background: var(--blanco); color: var(--azul); }
.btn-azul { background: var(--azul-claro); color: var(--blanco); border-color: var(--azul-claro); }
.btn-azul:hover { background: var(--azul-hover); border-color: var(--azul-hover); color: var(--blanco); }
.btn-verde { background: var(--verde); color: var(--blanco); border-color: var(--verde); }
.btn-verde:hover { background: var(--verde-hover); border-color: var(--verde-hover); color: var(--blanco); }
.btn-lg { padding: 16px 36px; font-size: 1.1rem; }
.btn-sm { padding: 9px 18px; font-size: 0.9rem; }
.btn-block { width: 100%; }
.cta-group { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }

/* ============================================================
   HEADER
   ============================================================ */
#header {
  position: sticky; top: 0; z-index: 1000;
  background: var(--blanco);
  box-shadow: 0 2px 16px rgba(0,0,0,0.10);
  transition: box-shadow var(--trans);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 32px; gap: 16px;
}

/* Logo */
.logo { display: flex; align-items: center; text-decoration: none; flex-shrink: 0; }
.logo-img { height: 50px; width: auto; display: block; }
/* Fallback texto (solo si no hay imagen) */
.logo-icon {
  width: 44px; height: 44px; background: var(--amarillo); border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
}
.logo-text { display: flex; flex-direction: column; line-height: 1.1; margin-left: 10px; }
.logo-main { font-size: 1.15rem; font-weight: 800; color: var(--azul); letter-spacing: -0.3px; }
.logo-sub  { font-size: 0.68rem; color: var(--amarillo); font-weight: 600; letter-spacing: 1.5px; text-transform: uppercase; }
/* Logo footer */
.footer-logo .logo-img { height: 38px; }

/* Nav */
nav { display: flex; align-items: center; }
.nav-list { display: flex; gap: 2px; flex-wrap: nowrap; }
.nav-list a {
  display: block; padding: 7px 10px; color: var(--azul);
  font-size: 0.85rem; font-weight: 600; border-radius: 5px;
  transition: background var(--trans), color var(--trans);
  white-space: nowrap;
}
.nav-list a:hover { background: var(--gris-claro); color: var(--azul-claro); }

/* Header CTAs */
.header-ctas { display: flex; gap: 8px; flex-shrink: 0; }
.header-ctas .btn { padding: 9px 14px; font-size: 0.82rem; }

/* Hamburguesa */
.hamburger {
  display: none; flex-direction: column; gap: 5px;
  cursor: pointer; padding: 6px; background: none; border: none;
}
.hamburger span {
  display: block; width: 24px; height: 2px; background: var(--azul);
  border-radius: 2px; transition: transform var(--trans), opacity var(--trans);
}
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile nav */
.mobile-nav {
  display: none; background: var(--blanco);
  border-top: 1px solid var(--gris-medio);
  box-shadow: 0 8px 24px rgba(0,0,0,0.10);
}
.mobile-nav.open { display: block; }
.mobile-nav ul { padding: 8px 0; }
.mobile-nav ul li a {
  display: block; padding: 11px 24px; color: var(--azul);
  font-weight: 500; transition: background var(--trans);
}
.mobile-nav ul li a:hover { background: var(--gris-claro); color: var(--azul-claro); }
.mobile-nav-ctas { padding: 12px 24px 20px; display: flex; gap: 10px; flex-wrap: wrap; }

/* ============================================================
   HERO
   ============================================================ */
#hero {
  background: url('/img/fondohero.jpg') center/cover no-repeat;
  padding: 72px 0 56px;
  position: relative; overflow: hidden;
}
#hero::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(
    to right,
    rgba(8, 22, 58, 0.96) 0%,
    rgba(8, 22, 58, 0.90) 40%,
    rgba(8, 22, 58, 0.60) 65%,
    rgba(8, 22, 58, 0.20) 100%
  );
  pointer-events: none;
}
.hero-grid {
  display: grid; grid-template-columns: 1fr 420px; gap: 48px;
  align-items: center; position: relative;
}
.hero-content { }
.hero-badge {
  display: inline-flex; align-items: center; gap: 6px;
  background: rgba(245,166,35,0.18); border: 1px solid rgba(245,166,35,0.4);
  color: var(--amarillo); font-size: 0.82rem; font-weight: 600;
  padding: 5px 12px; border-radius: 20px; margin-bottom: 20px;
  letter-spacing: 0.5px;
}
.hero-h1 { margin-bottom: 18px; }
.hero-sub {
  font-size: 1.15rem; color: rgba(255,255,255,0.88); margin-bottom: 12px;
  font-weight: 400; line-height: 1.6;
}
.hero-desc { font-size: 0.95rem; color: rgba(255,255,255,0.72); margin-bottom: 28px; }
.hero-ctas { margin-bottom: 32px; }
.trust-badges {
  display: flex; flex-wrap: wrap; gap: 12px; margin-top: 8px;
}
.trust-item {
  display: flex; align-items: center; gap: 6px;
  font-size: 0.8rem; color: rgba(255,255,255,0.80); font-weight: 500;
}
.trust-item::before {
  content: '✓'; background: var(--amarillo); color: var(--negro);
  width: 18px; height: 18px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.65rem; font-weight: 700; flex-shrink: 0;
}

/* Hero form card */
.hero-form-card {
  background: var(--blanco); border-radius: 14px;
  box-shadow: var(--sombra-md); padding: 28px 24px;
}
.hero-form-card h3 { color: var(--azul); margin-bottom: 18px; font-size: 1.1rem; }
.hero-img {
  border-radius: 12px; overflow: hidden;
  box-shadow: var(--sombra-md);
}
.hero-img img { width: 100%; height: 280px; object-fit: cover; }

/* ============================================================
   FORMULARIO
   ============================================================ */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-grid .full { grid-column: 1 / -1; }
.form-group { display: flex; flex-direction: column; gap: 4px; }
.form-group label { font-size: 0.82rem; font-weight: 600; color: var(--gris-texto); }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%; padding: 10px 12px; border: 1.5px solid var(--gris-medio); border-radius: var(--radio);
  font-size: 0.9rem; background: var(--gris-claro);
  transition: border-color var(--trans), box-shadow var(--trans);
  color: var(--negro);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none; border-color: var(--azul-claro);
  box-shadow: 0 0 0 3px rgba(46,109,212,0.12);
  background: var(--blanco);
}
.form-group input.error,
.form-group select.error,
.form-group textarea.error { border-color: #e53e3e; }
.form-group textarea { resize: vertical; min-height: 80px; }
.form-group select { cursor: pointer; }
.form-check { display: flex; align-items: flex-start; gap: 8px; }
.form-check input[type="checkbox"] { width: 17px; height: 17px; margin-top: 2px; flex-shrink: 0; }
.form-check label { font-size: 0.8rem; color: var(--gris-texto); line-height: 1.4; }
.form-check label a { color: var(--azul-claro); }
.honeypot { display: none !important; visibility: hidden; position: absolute; }
.form-msg { padding: 10px 14px; border-radius: var(--radio); font-size: 0.9rem; margin-bottom: 10px; }
.form-msg.error-msg { background: #fff5f5; border: 1px solid #fca5a5; color: #b91c1c; }
.form-msg.success-msg { background: #f0fff4; border: 1px solid #86efac; color: #166534; }

/* Hero form mini styles */
.hero-form-card .form-grid { grid-template-columns: 1fr; gap: 10px; }
.hero-form-card .form-grid .full { grid-column: 1 / -1; }
.hero-form-card .form-group input,
.hero-form-card .form-group select {
  padding: 9px 11px; font-size: 0.87rem;
}

/* Formulario sección --- */
#formulario { background: var(--gris-claro); }
.formulario-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start;
}
.form-info h2 { margin-bottom: 16px; }
.form-info p { color: var(--gris-texto); margin-bottom: 16px; }
.form-info-list { display: flex; flex-direction: column; gap: 10px; margin-top: 24px; }
.form-info-item {
  display: flex; align-items: center; gap: 10px;
  font-size: 0.92rem; color: var(--gris-texto);
}
.form-info-item .icon {
  width: 24px; display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; flex-shrink: 0; color: var(--azul-claro);
}
.form-card {
  background: var(--blanco); border-radius: 14px;
  box-shadow: var(--sombra-md); padding: 32px 28px;
}
.form-card h3 { color: var(--azul); margin-bottom: 24px; }

/* ============================================================
   SECCION EXPLICATIVA (FOTOVOLTAICA + ACS)
   ============================================================ */
.fvacs-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center;
}
.fvacs-img img {
  width: 100%; border-radius: 12px;
}
/* Variante con imagen a la izquierda */
.fvacs-grid--reverse { direction: rtl; }
.fvacs-grid--reverse > * { direction: ltr; }
.fvacs-img-placeholder {
  background: linear-gradient(135deg, var(--gris-claro), var(--gris-medio));
  border-radius: 12px; height: 340px;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 12px; text-align: center; padding: 20px;
}
.fvacs-features { display: flex; flex-direction: column; gap: 16px; margin: 24px 0; }
.fvacs-feature {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 14px 16px; background: var(--gris-claro);
  border-radius: var(--radio); border-left: 4px solid var(--amarillo);
}
.fvacs-feature .icon { font-size: 1.4rem; flex-shrink: 0; }
.fvacs-feature strong { display: block; font-size: 0.95rem; color: var(--azul); }
.fvacs-feature p { font-size: 0.85rem; color: var(--gris-texto); margin: 2px 0 0; }

.suelo-galeria {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px;
}
.suelo-galeria img {
  width: 100%; aspect-ratio: 3/4; object-fit: cover;
  border-radius: 10px; box-shadow: var(--sombra);
  transition: transform 0.4s ease, box-shadow var(--trans);
}
.suelo-galeria img:hover { transform: scale(1.02); box-shadow: var(--sombra-md); }

/* ============================================================
   SOLUCIONES (tarjetas)
   ============================================================ */
.soluciones-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.solucion-card {
  background: var(--blanco); border-radius: 12px; box-shadow: var(--sombra);
  padding: 28px 24px; border-top: 4px solid var(--azul-claro);
  transition: transform var(--trans), box-shadow var(--trans);
}
.solucion-card:hover { transform: translateY(-4px); box-shadow: var(--sombra-md); }
.solucion-card.destacada { border-top-color: var(--amarillo); }
.solucion-icon {
  width: 54px; height: 54px; background: var(--gris-claro); border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem; margin-bottom: 16px;
}
.solucion-card.destacada .solucion-icon { background: #fff8ec; }
.solucion-card h3 { font-size: 1.05rem; margin-bottom: 10px; }
.solucion-card p { font-size: 0.875rem; color: var(--gris-texto); margin-bottom: 14px; }
.solucion-list { display: flex; flex-direction: column; gap: 6px; }
.solucion-list li {
  display: flex; align-items: flex-start; gap: 7px;
  font-size: 0.83rem; color: var(--gris-texto);
}
.solucion-list li::before {
  content: '→'; color: var(--azul-claro); font-weight: 700; flex-shrink: 0;
}
.solucion-badge {
  display: inline-block; font-size: 0.72rem; font-weight: 700; letter-spacing: 0.5px;
  background: var(--amarillo); color: var(--negro);
  padding: 3px 10px; border-radius: 20px; margin-bottom: 10px;
  text-transform: uppercase;
}

/* ============================================================
   TIPO DE CLIENTE / ESPACIOS
   ============================================================ */
.espacios-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px;
}
.espacio-item {
  background: var(--blanco); border-radius: 10px; box-shadow: var(--sombra);
  padding: 20px 16px; text-align: center;
  transition: transform var(--trans), box-shadow var(--trans);
  border-bottom: 3px solid transparent;
}
.espacio-item:hover {
  transform: translateY(-3px); box-shadow: var(--sombra-md);
  border-bottom-color: var(--azul-claro);
}
.espacio-icon { font-size: 2rem; margin-bottom: 8px; display: block; }
.espacio-item h3 { font-size: 0.9rem; margin-bottom: 4px; }
.espacio-item p { font-size: 0.78rem; color: var(--gris-texto); }

/* ============================================================
   BENEFICIOS
   ============================================================ */
.beneficios-grid {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px;
}
.beneficio-item {
  background: var(--blanco); border-radius: 10px;
  padding: 20px 18px; display: flex; align-items: flex-start; gap: 12px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.07);
  transition: box-shadow var(--trans);
}
.beneficio-item:hover { box-shadow: var(--sombra); }
.bg-azul .beneficio-item { background: rgba(255,255,255,0.08); box-shadow: none; }
.bg-azul .beneficio-item:hover { background: rgba(255,255,255,0.13); }
.beneficio-icon {
  width: 40px; height: 40px; background: var(--amarillo); border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; flex-shrink: 0;
}
.bg-azul .beneficio-icon { background: rgba(245,166,35,0.25); }
.beneficio-text strong { display: block; font-size: 0.92rem; margin-bottom: 3px; }
.beneficio-text p { font-size: 0.8rem; color: var(--gris-texto); }
.bg-azul .beneficio-text strong { color: var(--blanco); }
.bg-azul .beneficio-text p { color: rgba(255,255,255,0.70); }

/* ============================================================
   COSTES
   ============================================================ */
.costes-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 24px;
}
.coste-card {
  background: var(--blanco); border-radius: 12px; box-shadow: var(--sombra);
  padding: 28px 24px; text-align: center;
}
.coste-price {
  font-size: 1.8rem; font-weight: 800; color: var(--azul);
  margin: 12px 0 6px;
}
.coste-label {
  font-size: 0.78rem; color: var(--gris-texto); text-transform: uppercase;
  letter-spacing: 1px; font-weight: 600;
}
.coste-icon { font-size: 2.2rem; display: block; margin-bottom: 10px; }
.coste-desc { font-size: 0.85rem; color: var(--gris-texto); margin-top: 8px; }
.coste-nota {
  background: #fffbeb; border: 1px solid #fcd34d; border-radius: var(--radio);
  padding: 16px 20px; font-size: 0.88rem; color: #92400e;
  max-width: 600px; margin: 32px auto 0; text-align: center;
}

/* ============================================================
   PROCESO
   ============================================================ */
.proceso-list {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 0;
  position: relative;
}
.proceso-step {
  display: flex; flex-direction: column; align-items: center; text-align: center;
  padding: 28px 16px; position: relative;
  border-right: 1px dashed var(--gris-medio);
}
.proceso-step:nth-child(4n),
.proceso-step:last-child { border-right: none; }
.proceso-num {
  width: 52px; height: 52px; background: var(--azul-claro); color: var(--blanco);
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem; font-weight: 800; margin-bottom: 14px; flex-shrink: 0;
  box-shadow: 0 3px 10px rgba(46,109,212,0.3);
  position: relative; z-index: 1;
}
/* Línea horizontal entre pasos de la misma fila */
.proceso-step::after { display: none; }
.proceso-step h3 { font-size: 0.95rem; margin-bottom: 6px; }
.proceso-step p { font-size: 0.82rem; color: var(--gris-texto); }

/* ============================================================
   MANTENIMIENTO
   ============================================================ */
.mant-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start;
}
.mant-list { display: flex; flex-direction: column; gap: 12px; }
.mant-item {
  display: flex; align-items: flex-start; gap: 12px;
  background: var(--blanco); border-radius: var(--radio);
  padding: 14px 16px; box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}
.mant-item .icon {
  width: 38px; height: 38px; background: var(--gris-claro); border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; flex-shrink: 0;
}
.mant-item strong { display: block; font-size: 0.92rem; margin-bottom: 2px; }
.mant-item p { font-size: 0.82rem; color: var(--gris-texto); }
.mant-cta {
  background: var(--blanco); border-radius: 12px; box-shadow: var(--sombra);
  padding: 28px 24px; text-align: center;
}
.mant-cta h3 { margin-bottom: 10px; }
.mant-cta p { font-size: 0.9rem; color: var(--gris-texto); margin-bottom: 20px; }

/* ============================================================
   GALERÍA
   ============================================================ */
.galeria-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
}
.galeria-item {
  border-radius: 10px; overflow: hidden; box-shadow: var(--sombra);
  transition: transform var(--trans), box-shadow var(--trans);
  position: relative;
}
.galeria-item:hover { transform: scale(1.02); box-shadow: var(--sombra-md); }
.galeria-item img {
  width: 100%; height: 200px; object-fit: cover;
  transition: transform 0.4s ease;
}
.galeria-item:hover img { transform: scale(1.05); }
.galeria-caption {
  position: absolute; bottom: 0; left: 0; right: 0;
  background: linear-gradient(transparent, rgba(0,0,0,0.7));
  color: var(--blanco); padding: 20px 14px 12px;
  font-size: 0.82rem; font-weight: 500;
}
.galeria-placeholder {
  width: 100%; height: 200px;
  background: var(--gris-medio);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 8px; color: var(--gris-texto); font-size: 0.8rem; text-align: center; padding: 12px;
}
.galeria-placeholder .gal-icon { font-size: 2rem; }

/* ============================================================
   CONFIANZA
   ============================================================ */
.confianza-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
}
.confianza-item {
  background: var(--blanco); border-radius: 10px; box-shadow: var(--sombra);
  padding: 24px 20px; text-align: center;
  transition: transform var(--trans);
}
.confianza-item:hover { transform: translateY(-3px); }
.confianza-icon { font-size: 2rem; display: block; margin-bottom: 12px; }
.confianza-item h3 { font-size: 0.95rem; margin-bottom: 6px; color: var(--azul); }
.confianza-item p { font-size: 0.82rem; color: var(--gris-texto); }

/* ============================================================
   OPINIONES
   ============================================================ */
.opiniones-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.opinion-card {
  background: var(--blanco); border-radius: 12px; box-shadow: var(--sombra);
  padding: 24px; position: relative;
}
.opinion-stars { color: var(--amarillo); font-size: 1.1rem; margin-bottom: 12px; letter-spacing: 2px; }
.opinion-text { font-size: 0.9rem; color: var(--gris-texto); line-height: 1.6; margin-bottom: 16px; font-style: italic; }
.opinion-author { display: flex; align-items: center; gap: 10px; }
.opinion-avatar {
  width: 42px; height: 42px; border-radius: 50%; overflow: hidden;
  background: var(--gris-medio); display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; font-weight: 700; color: var(--azul); flex-shrink: 0;
}
.opinion-name { font-weight: 700; font-size: 0.9rem; }
.opinion-role { font-size: 0.78rem; color: var(--gris-texto); }
.opinion-quote {
  position: absolute; top: 16px; right: 16px;
  font-size: 2.5rem; color: var(--gris-medio); line-height: 1; font-family: Georgia, serif;
}

/* ============================================================
   FAQ
   ============================================================ */
.faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: var(--blanco); border-radius: var(--radio); box-shadow: 0 2px 8px rgba(0,0,0,0.06);
  overflow: hidden;
}
.faq-question {
  width: 100%; background: none; border: none; cursor: pointer;
  padding: 18px 20px; text-align: left; font-size: 0.95rem; font-weight: 600;
  color: var(--negro); display: flex; justify-content: space-between; align-items: center; gap: 12px;
  font-family: var(--fuente); transition: background var(--trans);
}
.faq-question:hover { background: var(--gris-claro); }
.faq-question.active { color: var(--azul-claro); background: var(--gris-claro); }
.faq-arrow {
  font-size: 0.9rem; color: var(--azul-claro); flex-shrink: 0;
  transition: transform var(--trans);
}
.faq-question.active .faq-arrow { transform: rotate(180deg); }
.faq-answer {
  max-height: 0; overflow: hidden; transition: max-height 0.35s ease, padding var(--trans);
}
.faq-answer.open { max-height: 400px; }
.faq-answer p {
  padding: 0 20px 18px; font-size: 0.88rem; color: var(--gris-texto); line-height: 1.65;
}

/* ============================================================
   CTA FINAL
   ============================================================ */
#cta-final {
  background: linear-gradient(135deg, var(--azul) 0%, #0e2d5c 100%);
  padding: 80px 0; text-align: center;
}
#cta-final h2 { color: var(--blanco); font-size: clamp(1.5rem, 3.5vw, 2.2rem); margin-bottom: 14px; }
#cta-final .sub { color: rgba(255,255,255,0.80); font-size: 1.1rem; margin-bottom: 36px; max-width: 640px; margin-left: auto; margin-right: auto; }
.cta-final-btns { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; margin-bottom: 32px; }
.cta-stats { display: flex; flex-wrap: wrap; gap: 32px; justify-content: center; margin-top: 40px; }
.cta-stat { text-align: center; }
.cta-stat .num { font-size: 2rem; font-weight: 800; color: var(--amarillo); display: block; }
.cta-stat .label { font-size: 0.82rem; color: rgba(255,255,255,0.70); }

/* ============================================================
   FOOTER
   ============================================================ */
footer {
  background: #111827; color: rgba(255,255,255,0.75);
  padding: 48px 0 0;
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 32px;
}
.footer-brand { }
.footer-logo { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.footer-logo .logo-main { color: var(--blanco); font-size: 1.1rem; }
.footer-logo .logo-sub { color: var(--amarillo); }
.footer-desc { font-size: 0.85rem; line-height: 1.6; margin-bottom: 16px; color: rgba(255,255,255,0.60); }
.footer-contact a {
  display: flex; align-items: center; gap: 8px;
  font-size: 0.87rem; color: rgba(255,255,255,0.80); margin-bottom: 8px;
  transition: color var(--trans);
}
.footer-contact a:hover { color: var(--amarillo); }
.footer-contact .icon { font-size: 1rem; }
.footer-col h4 {
  font-size: 0.85rem; font-weight: 700; color: var(--blanco);
  text-transform: uppercase; letter-spacing: 1px; margin-bottom: 14px;
}
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul li a { font-size: 0.85rem; color: rgba(255,255,255,0.65); transition: color var(--trans); }
.footer-col ul li a:hover { color: var(--amarillo); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.10);
  padding: 18px 0; display: flex; flex-wrap: wrap;
  justify-content: space-between; align-items: center; gap: 10px;
}
.footer-bottom p { font-size: 0.8rem; color: rgba(255,255,255,0.45); }
.footer-legal { display: flex; gap: 16px; }
.footer-legal a { font-size: 0.8rem; color: rgba(255,255,255,0.45); transition: color var(--trans); }
.footer-legal a:hover { color: var(--blanco); }

/* ============================================================
   BOTONES FLOTANTES
   ============================================================ */
.fab-group {
  position: fixed; bottom: 24px; right: 20px;
  display: flex; flex-direction: column; gap: 12px; z-index: 900;
}
.fab {
  width: 56px; height: 56px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; text-decoration: none; cursor: pointer; border: none;
  box-shadow: 0 4px 16px rgba(0,0,0,0.25);
  transition: transform var(--trans), box-shadow var(--trans);
  position: relative;
}
.fab:hover { transform: scale(1.1); box-shadow: 0 6px 20px rgba(0,0,0,0.30); }
.fab-wa { background: var(--verde); color: var(--blanco); }
.fab-tel { background: var(--azul-claro); color: var(--blanco); }
.fab-tooltip {
  position: absolute; right: 68px; top: 50%; transform: translateY(-50%);
  background: rgba(0,0,0,0.8); color: var(--blanco); white-space: nowrap;
  padding: 5px 10px; border-radius: 5px; font-size: 0.78rem;
  opacity: 0; pointer-events: none; transition: opacity var(--trans);
}
.fab:hover .fab-tooltip { opacity: 1; }

/* ============================================================
   BARRA AVISO GDPR (cookies)
   ============================================================ */
#cookie-bar {
  position: fixed; bottom: 0; left: 0; right: 0;
  background: rgba(26,26,46,0.97); color: var(--blanco);
  padding: 14px 24px; z-index: 1100;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  flex-wrap: wrap;
  transform: translateY(100%); transition: transform 0.4s ease;
}
#cookie-bar.visible { transform: translateY(0); }
#cookie-bar p { font-size: 0.85rem; color: rgba(255,255,255,0.85); }
#cookie-bar a { color: var(--amarillo); }
.cookie-btns { display: flex; gap: 10px; }

/* ============================================================
   UTILIDADES EXTRA
   ============================================================ */
.divider {
  height: 4px; background: linear-gradient(90deg, var(--amarillo), var(--azul-claro));
  border: none;
}
.badge-new {
  background: var(--amarillo); color: var(--negro); font-size: 0.65rem;
  font-weight: 700; padding: 2px 7px; border-radius: 10px;
  vertical-align: middle; margin-left: 4px; text-transform: uppercase;
}
.text-amarillo { color: var(--amarillo); }
.text-azul { color: var(--azul); }

/* Scroll progress bar */
#progress-bar {
  position: fixed; top: 0; left: 0; height: 3px;
  background: var(--amarillo); z-index: 2000; width: 0%;
  transition: width 0.1s;
}

/* ============================================================
   ZONAS DE SERVICIO
   ============================================================ */
#zonas { background: var(--gris-claro); }
.zonas-intro { max-width: 760px; margin: 0 auto 40px; color: var(--gris-texto); font-size: 1rem; }
.zonas-bloque { margin-bottom: 36px; }
.zonas-bloque h3 {
  font-size: 1rem; color: var(--azul); font-weight: 700;
  margin-bottom: 14px; padding-bottom: 8px;
  border-bottom: 2px solid var(--amarillo); display: inline-block;
}
.zonas-list {
  display: flex; flex-wrap: wrap; gap: 6px 10px; margin: 0;
  padding: 0; list-style: none;
}
.zonas-list li a {
  font-size: 0.82rem; color: var(--azul-claro);
  text-decoration: underline; text-underline-offset: 2px;
  transition: color var(--trans);
}
.zonas-list li a:hover { color: var(--azul); }

/* ============================================================
   FONT AWESOME — normalización en botones y FABs
   ============================================================ */
.btn i, .fab i { font-size: inherit; line-height: 1; }
.fab { font-size: 1.3rem; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1080px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 1100px) {
  .beneficios-grid { grid-template-columns: repeat(5, 1fr); }
  .confianza-grid  { grid-template-columns: repeat(4, 1fr); }
  .espacios-grid   { grid-template-columns: repeat(4, 1fr); }
}

@media (max-width: 900px) {
  nav { display: none; }
  .hamburger { display: flex; }
  .header-ctas .btn span.label { display: none; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-form-card { max-width: 520px; }
  .formulario-grid { grid-template-columns: 1fr; }
  .fvacs-grid { grid-template-columns: 1fr; }
  .suelo-galeria { grid-template-columns: repeat(2, 1fr); }
  .mant-grid { grid-template-columns: 1fr; }
  /* Grids uniformes en tablet */
  .soluciones-grid { grid-template-columns: repeat(2, 1fr); }
  .beneficios-grid { grid-template-columns: repeat(2, 1fr); }
  .confianza-grid  { grid-template-columns: repeat(2, 1fr); }
  .espacios-grid   { grid-template-columns: repeat(4, 1fr); }
  .opiniones-grid  { grid-template-columns: repeat(2, 1fr); }
  .galeria-grid    { grid-template-columns: repeat(2, 1fr); }
  .proceso-list    { grid-template-columns: repeat(4, 1fr); }
  .proceso-step    { border-right: 1px dashed var(--gris-medio); }
  .proceso-step:nth-child(4n),
  .proceso-step:last-child { border-right: none; }
}

@media (max-width: 640px) {
  .section-pad { padding: 48px 0; }
  h2 { font-size: 1.35rem; }
  .hero-ctas { flex-direction: column; }
  .hero-ctas .btn { width: 100%; justify-content: center; }
  .form-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .cta-final-btns { flex-direction: column; align-items: center; }
  .cta-final-btns .btn { width: 100%; max-width: 320px; }
  .fab { width: 60px; height: 60px; font-size: 1.6rem; }
  .fab-group { bottom: 16px; right: 14px; }
  /* Grids móvil */
  .soluciones-grid { grid-template-columns: 1fr; }
  .beneficios-grid { grid-template-columns: repeat(2, 1fr); }
  .confianza-grid  { grid-template-columns: repeat(2, 1fr); }
  .espacios-grid   { grid-template-columns: repeat(2, 1fr); }
  .opiniones-grid  { grid-template-columns: 1fr; }
  .galeria-grid    { grid-template-columns: 1fr; }
  .suelo-galeria   { grid-template-columns: 1fr; }
  .proceso-list    { grid-template-columns: repeat(2, 1fr); }
  .proceso-step    { border-right: 1px dashed var(--gris-medio); }
  .proceso-step:nth-child(4n) { border-right: 1px dashed var(--gris-medio); }
  .proceso-step:nth-child(2n),
  .proceso-step:last-child { border-right: none; }
}

@media (max-width: 420px) {
  .header-inner { padding: 10px 14px; }
  .logo-text .logo-sub { display: none; }
  .trust-badges { gap: 8px; }
}