/* =========================================================
   RESET & BASE
========================================================= */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Inter', system-ui, sans-serif;
  color: #1a1a1a;
  background: #ffffff;
  line-height: 1.6;
  -webkit-text-size-adjust: 100%;
}
h1, h2, h3, h4, h5 {
  font-family: 'Poppins', sans-serif;
  margin: 0 0 .5rem;
  line-height: 1.2;
  color: #101010;
}
p { margin: 0 0 1rem; color: #4a4a4a; }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
ul { list-style: none; margin: 0; padding: 0; }
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}
.seccion { padding: 70px 0; }
.seccion-oscura { background: var(--color-oscuro, #0d0d0d); color: #fff; }
.seccion-oscura p { color: #cfcfcf; }
.seccion-oscura h1, .seccion-oscura h2, .seccion-oscura h3 { color: #fff; }
.text-center { text-align: center; }
.destacado { color: var(--color-principal, #f5c518); }
/* Asegura que el amarillo corporativo gane incluso dentro de una
   sección oscura, donde h1/h2/h3 tienen color:#fff por defecto
   (esa regla es más específica que ".destacado" sola). */
.seccion-oscura h1.destacado,
.seccion-oscura h2.destacado,
.seccion-oscura h3.destacado { color: var(--color-principal, #f5c518); }

.badge-eyebrow {
  display: inline-block;
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--color-principal, #f5c518);
  margin-bottom: .6rem;
}

.encabezado-seccion { max-width: 640px; margin: 0 auto 45px; }
.encabezado-seccion.izquierda { margin: 0 0 40px; }

/* =========================================================
   BOTONES
========================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: 8px;
  font-weight: 600;
  font-size: .95rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease, color .15s ease;
  white-space: nowrap;
}
.btn:active { transform: scale(.97); }
.btn-primario {
  background: var(--color-principal, #f5c518);
  color: #0d0d0d;
}
.btn-primario:hover { box-shadow: 0 8px 20px rgba(245,197,24,.35); }
.btn-outline {
  background: transparent;
  border-color: rgba(255,255,255,.5);
  color: #fff;
}
.btn-outline:hover { background: rgba(255,255,255,.1); }
.btn-oscuro {
  background: #101010;
  color: #fff;
}
.btn-oscuro:hover { background: #000; }
.btn-block { width: 100%; justify-content: center; }

/* =========================================================
   HEADER
========================================================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(13,13,13,.97);
  backdrop-filter: blur(6px);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 78px;
}
.logo {
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  font-size: 1.35rem;
  color: #fff;
  letter-spacing: .02em;
}
.logo-dot { color: var(--color-principal, #f5c518); }

.main-nav {
  display: flex;
  align-items: center;
  gap: 30px;
}
.main-nav a {
  color: #d8d8d8;
  font-weight: 500;
  font-size: .95rem;
  padding: 8px 2px;
  position: relative;
}
.main-nav a:hover, .main-nav a.activo { color: #fff; }
.main-nav a.activo::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -4px;
  height: 2px;
  background: var(--color-principal, #f5c518);
}
.btn-whatsapp-nav {
  background: var(--color-principal, #f5c518);
  color: #0d0d0d !important;
  padding: 10px 20px;
  border-radius: 8px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 34px;
  height: 34px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}
.hamburger span {
  display: block;
  height: 2px;
  width: 100%;
  background: #fff;
  transition: transform .25s ease, opacity .25s ease;
}
.hamburger.abierto span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.abierto span:nth-child(2) { opacity: 0; }
.hamburger.abierto span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* WhatsApp flotante */
.whatsapp-float {
  position: fixed;
  bottom: 22px;
  right: 22px;
  width: 58px;
  height: 58px;
  background: #25D366;
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  box-shadow: 0 8px 24px rgba(0,0,0,.3);
  z-index: 999;
  animation: pulso 2.4s infinite;
}
@keyframes pulso {
  0% { box-shadow: 0 0 0 0 rgba(37,211,102,.5); }
  70% { box-shadow: 0 0 0 14px rgba(37,211,102,0); }
  100% { box-shadow: 0 0 0 0 rgba(37,211,102,0); }
}

/* =========================================================
   HERO
========================================================= */
.hero {
  position: relative;
  min-height: 88vh;
  display: flex;
  align-items: center;
  color: #fff;
  background-size: cover;
  background-position: center;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(10,10,10,.92) 20%, rgba(10,10,10,.55) 65%, rgba(10,10,10,.3) 100%);
}
.hero-contenido { position: relative; z-index: 2; max-width: 680px; }
.hero-contenido h1 {
  font-size: clamp(2.1rem, 5vw, 3.6rem);
  font-weight: 800;
  color: #fff;
  margin-bottom: 18px;
}
.hero-contenido p {
  color: #dcdcdc;
  font-size: 1.05rem;
  max-width: 520px;
  margin-bottom: 30px;
}
.hero-botones { display: flex; gap: 16px; flex-wrap: wrap; }

.hero-scroll {
  position: absolute;
  bottom: 26px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  color: #cfcfcf;
  font-size: 1.4rem;
  animation: rebote 1.8s infinite;
}
@keyframes rebote {
  0%,100% { transform: translate(-50%, 0); }
  50% { transform: translate(-50%, 8px); }
}

/* Mini hero para páginas internas */
.hero-interno {
  background-size: cover;
  background-position: center;
  position: relative;
  padding: 120px 0 60px;
  color: #fff;
}
.hero-interno::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(10,10,10,.82);
}
.hero-interno .container { position: relative; z-index: 2; }
.hero-interno h1 { color: #fff; margin-bottom: 8px; }
.breadcrumb { color: #b8b8b8; font-size: .9rem; }
.breadcrumb a { color: var(--color-principal, #f5c518); }

/* =========================================================
   MARCAS / TRUSTED BY
========================================================= */
.marcas { padding: 40px 0; background: #0d0d0d; }
.marcas-titulo { text-align: center; color: #999; font-size: .85rem; letter-spacing: .1em; text-transform: uppercase; margin-bottom: 24px; }
.marcas-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 40px;
  opacity: .75;
}
.marcas-grid span { color: #cfcfcf; font-weight: 600; font-size: 1.1rem; font-family: 'Poppins', sans-serif; }
.marcas-grid a { display: flex; align-items: center; }
.marcas-grid img {
  max-height: 42px;
  max-width: 150px;
  object-fit: contain;
  filter: grayscale(1) brightness(1.6);
  transition: filter .2s ease;
}
.marcas-grid a:hover img { filter: grayscale(0) brightness(1); }

/* =========================================================
   TARJETAS DE SERVICIOS
========================================================= */
.servicios-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.servicio-card {
  background: #131313;
  border: 1px solid #232323;
  border-radius: 14px;
  padding: 32px 26px;
  transition: transform .2s ease, border-color .2s ease;
}
.servicio-card:hover { transform: translateY(-6px); border-color: var(--color-principal, #f5c518); }
.servicio-imagen {
  width: 100%;
  height: 160px;
  object-fit: cover;
  border-radius: 10px;
  margin-bottom: 18px;
}
.servicio-icono {
  width: 52px; height: 52px;
  border-radius: 10px;
  background: rgba(245,197,24,.12);
  color: var(--color-principal, #f5c518);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 18px;
}
.servicio-card h3 { font-size: 1.15rem; margin-bottom: 8px; }
.servicio-card p { font-size: .92rem; margin-bottom: 0; }

/* Lista de subservicios dentro de cada tarjeta de categoría */
.subservicios-list {
  margin: 16px 0 0;
  padding-top: 16px;
  border-top: 1px solid #232323;
  list-style: none;
}
.subservicios-list li {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: .87rem;
  color: #cfcfcf;
  padding: 6px 0;
}
.subservicios-list li i {
  color: var(--color-principal, #f5c518);
  font-size: 1rem;
  width: 18px;
  text-align: center;
  flex-shrink: 0;
}
.servicios-grid.claro .subservicios-list { border-top-color: #ececec; }
.servicios-grid.claro .subservicios-list li { color: #555; }

/* Servicios claros (página servicios.php usa fondo blanco) */
.servicios-grid.claro .servicio-card {
  background: #fafafa;
  border-color: #ececec;
}

/* =========================================================
   NOSOTROS / STATS
========================================================= */
.nosotros-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}
.nosotros-img {
  border-radius: 16px;
  overflow: hidden; /* recorta la imagen al hacer zoom, sin alterar el layout */
  transition: box-shadow .3s ease;
}
.nosotros-img:hover {
  /* resplandor sutil dorado al pasar el cursor */
  box-shadow: 0 0 30px rgba(217, 119, 6, .25);
}
.nosotros-img img {
  /* hover:scale-105 transition-transform duration-300 */
  transition: transform .3s ease;
}
.nosotros-img:hover img {
  transform: scale(1.05);
}
@media (prefers-reduced-motion: reduce) {
  .nosotros-img, .nosotros-img img { transition: none; }
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 30px;
}
.stat-item {
  text-align: center;
  background: #131313;
  border-radius: 12px;
  padding: 22px 10px;
  border: 1px solid #232323;
}
.stat-item strong {
  display: block;
  font-size: 2rem;
  font-family: 'Poppins', sans-serif;
  color: var(--color-principal, #f5c518);
}
.stat-item span { font-size: .85rem; color: #b8b8b8; }

/* =========================================================
   GALERÍA DE OBRAS
========================================================= */
.filtros-obras {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-bottom: 36px;
}
.filtro-btn {
  padding: 9px 20px;
  border-radius: 30px;
  border: 1px solid #ddd;
  background: #fff;
  font-size: .9rem;
  font-weight: 600;
  cursor: pointer;
  color: #333;
}
.filtro-btn.activo, .filtro-btn:hover {
  background: var(--color-principal, #f5c518);
  border-color: var(--color-principal, #f5c518);
  color: #0d0d0d;
}

.obras-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.obra-card {
  position: relative;
  border-radius: 14px;
  overflow: hidden;
  aspect-ratio: 4/3;
  background: #eee;
}
.obra-card img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s ease; }
.obra-card:hover img { transform: scale(1.08); }
.obra-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(0,0,0,.82) 0%, rgba(0,0,0,0) 55%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 20px;
  color: #fff;
}
.obra-overlay .cat {
  align-self: flex-start;
  background: var(--color-principal, #f5c518);
  color: #0d0d0d;
  font-size: .72rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 20px;
  margin-bottom: 8px;
  text-transform: uppercase;
}
.obra-overlay h3 { color: #fff; font-size: 1.05rem; margin: 0; }

/* =========================================================
   CTA
========================================================= */
.cta-banda {
  background: linear-gradient(120deg, #151515, #0d0d0d);
  border-top: 4px solid var(--color-principal, #f5c518);
  padding: 60px 0;
  text-align: center;
}
.cta-banda h2 { color: #fff; margin-bottom: 10px; }
.cta-banda p { color: #cfcfcf; margin-bottom: 26px; }

/* =========================================================
   FORMULARIO DE CONTACTO / COTIZACIÓN
   *** IMPORTANTE: evitar zoom automático en iOS y que
   los campos cambien de tamaño al escribir ***
========================================================= */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.form-grid .full { grid-column: 1 / -1; }

.form-group { margin-bottom: 18px; }
.form-group label {
  display: block;
  font-size: .88rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: #e6e6e6;
}
.form-contacto.claro .form-group label { color: #222; }

.form-group input:not([type="checkbox"]):not([type="radio"]),
.form-group select,
.form-group textarea {
  width: 100%;
  /* font-size 16px es CLAVE: evita el auto-zoom de Safari/iOS al enfocar */
  font-size: 16px;
  font-family: inherit;
  padding: 13px 14px;
  border-radius: 8px;
  border: 1px solid #333;
  background: #171717;
  color: #fff;
  outline: none;
  resize: none;              /* evita que el usuario agrande el textarea */
  box-sizing: border-box;    /* tamaño fijo, no crece con el contenido */
  transition: border-color .15s ease;
  -webkit-appearance: none;
  appearance: none;
}
.form-contacto.claro .form-group input:not([type="checkbox"]):not([type="radio"]),
.form-contacto.claro .form-group select,
.form-contacto.claro .form-group textarea {
  background: #fff;
  border-color: #ddd;
  color: #1a1a1a;
}
.form-group textarea { height: 130px; }
.form-group input:not([type="checkbox"]):not([type="radio"]):focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-principal, #f5c518);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: #8a8a8a; }

.mensaje-estado {
  padding: 14px 16px;
  border-radius: 8px;
  margin-bottom: 20px;
  font-size: .92rem;
  font-weight: 500;
}
.mensaje-estado.exito { background: rgba(37,211,102,.15); color: #25D366; border: 1px solid rgba(37,211,102,.35); }
.mensaje-estado.error { background: rgba(220,53,69,.12); color: #ff6b6b; border: 1px solid rgba(220,53,69,.35); }

/* =========================================================
   BLOQUE DE CONTACTO (info + mapa)
========================================================= */
.contacto-grid {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 40px;
  align-items: start;
}
.contacto-info-card {
  display: flex;
  gap: 16px;
  padding: 20px;
  background: #131313;
  border: 1px solid #232323;
  border-radius: 12px;
  margin-bottom: 16px;
}
.contacto-info-card i { font-size: 1.4rem; color: var(--color-principal, #f5c518); }
.contacto-info-card h4 { color: #fff; margin-bottom: 4px; font-size: 1rem; }
.contacto-info-card p { margin: 0; color: #bcbcbc; font-size: .92rem; }
.mapa-embed { border-radius: 14px; overflow: hidden; border: 1px solid #232323; }
.mapa-embed iframe { width: 100%; height: 320px; border: 0; display: block; }

/* =========================================================
   ASESORES
========================================================= */
.asesores-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  padding-bottom: 70px;
}
.asesor-card {
  background: #131313;
  border: 1px solid #232323;
  border-radius: 14px;
  padding: 28px 22px;
  text-align: center;
  transition: transform .2s ease, border-color .2s ease;
}
.asesor-card:hover { transform: translateY(-6px); border-color: var(--color-principal, #f5c518); }
.asesor-foto {
  width: 84px;
  height: 84px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 16px;
  border: 2px solid var(--color-principal, #f5c518);
}
.asesor-foto-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  background: #1c1c1c;
  color: #555;
  font-size: 2.2rem;
}
.asesor-card h3 {
  font-size: 1rem;
  font-weight: 600;
  color: #ffffff;
  margin: 4px 0 18px;
  line-height: 1.3;
}
.asesor-btn { width: 100%; justify-content: center; padding: 11px 16px; font-size: .88rem; }

/* =========================================================
   FOOTER
========================================================= */
.site-footer { background: #0a0a0a; color: #cfcfcf; padding-top: 60px; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 1.1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid #202020;
}
.footer-logo { margin-bottom: 12px; }
.footer-col h4 { color: #fff; font-size: 1rem; margin-bottom: 16px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col a:hover { color: var(--color-principal, #f5c518); }
.footer-contact li { display: flex; gap: 10px; align-items: flex-start; font-size: .9rem; }
.footer-contact i { color: var(--color-principal, #f5c518); margin-top: 3px; }
.footer-social { display: flex; gap: 12px; margin-top: 16px; }
.footer-social a {
  width: 38px; height: 38px;
  border-radius: 50%;
  border: 1px solid #333;
  display: flex; align-items: center; justify-content: center;
}
.footer-social a:hover { background: var(--color-principal, #f5c518); color: #0d0d0d; border-color: var(--color-principal, #f5c518); }

.footer-homologacion { border-top: 1px solid #1c1c1c; }
.footer-homologacion-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 18px 0;
  flex-wrap: wrap;
  text-align: center;
}
.footer-homologacion-inner img {
  max-height: 32px;
  width: auto;
  object-fit: contain;
  opacity: .9;
}
.footer-homologacion-inner span {
  font-size: .8rem;
  color: #8a8a8a;
  letter-spacing: .02em;
}

.footer-bottom {
  text-align: center;
  padding: 20px 0;
  font-size: .85rem;
  color: #777;
}

/* =========================================================
   RESPONSIVE
========================================================= */
@media (max-width: 991px) {
  .servicios-grid { grid-template-columns: repeat(2, 1fr); }
  .obras-grid { grid-template-columns: repeat(2, 1fr); }
  .nosotros-grid { grid-template-columns: 1fr; }
  .contacto-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .hamburger { display: flex; }
  .main-nav {
    position: fixed;
    top: 78px;
    left: 0; right: 0;
    background: #0d0d0d;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height .3s ease;
    border-top: 1px solid #232323;
  }
  .main-nav.abierto { max-height: 500px; }
  .main-nav a {
    padding: 16px 20px;
    border-bottom: 1px solid #1c1c1c;
    color: #fff;
  }
  .btn-whatsapp-nav { margin: 14px 20px; justify-content: center; }

  .hero { min-height: auto; padding: 150px 0 70px; }
  .hero-botones { flex-direction: column; align-items: stretch; }
  .hero-botones .btn { justify-content: center; }

  .servicios-grid { grid-template-columns: 1fr; }
  .obras-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(3, 1fr); gap: 10px; }
  .stat-item strong { font-size: 1.4rem; }
  .form-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; text-align: left; }
  .seccion { padding: 50px 0; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .btn { width: 100%; justify-content: center; }
  .hero-botones .btn { width: 100%; }
}