/* ==========================================================================
   Reformas Roman — hoja de estilos principal
   Paleta: grafito + naranja obra + arena
   ========================================================================== */

:root {
  /* color — paleta tomada del logo (dorado champan + grafito) */
  --dorado:        #B98F45;
  --dorado-oscuro: #96722F;
  --dorado-suave:  #FAF4E9;
  --grafito:       #181B21;
  --grafito-2:     #22262E;
  --grafito-3:     #2E333C;
  --arena:         #F6F4F1;
  --arena-2:       #EDE9E3;
  --blanco:        #FFFFFF;
  --texto:         #2A2E35;
  --texto-suave:   #6B7280;
  --linea:         #E4E1DB;
  --verde:         #1F9D55;

  /* tipografía */
  --fuente: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  /* medidas */
  --ancho: 1180px;
  --radio: 14px;
  --radio-sm: 10px;
  --radio-lg: 22px;
  --sombra-sm: 0 1px 2px rgba(24,27,33,.06), 0 2px 8px rgba(24,27,33,.05);
  --sombra:    0 4px 12px rgba(24,27,33,.07), 0 12px 32px rgba(24,27,33,.07);
  --sombra-lg: 0 12px 28px rgba(24,27,33,.10), 0 32px 64px rgba(24,27,33,.10);
  --transicion: .28s cubic-bezier(.4, 0, .2, 1);
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--fuente);
  font-size: 16px;
  line-height: 1.65;
  color: var(--texto);
  background: var(--blanco);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
ul { list-style: none; }

:focus-visible {
  outline: 3px solid var(--dorado);
  outline-offset: 3px;
  border-radius: 4px;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
  }
}

/* ---------- utilidades ---------- */
.contenedor {
  width: 100%;
  max-width: var(--ancho);
  margin-inline: auto;
  padding-inline: 22px;
}

.seccion { padding: 72px 0; }
.seccion--arena { background: var(--arena); }
.seccion--oscura { background: var(--grafito); color: #fff; }

.centrado { text-align: center; }

.etiqueta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .13em;
  text-transform: uppercase;
  color: var(--dorado);
  margin-bottom: 14px;
}
.etiqueta::before {
  content: "";
  width: 26px;
  height: 2px;
  background: var(--dorado);
  border-radius: 2px;
}

h1, h2, h3, h4 { line-height: 1.18; letter-spacing: -.02em; font-weight: 800; }
h1 { font-size: clamp(2.05rem, 5.4vw, 3.5rem); }
h2 { font-size: clamp(1.65rem, 3.6vw, 2.45rem); }
h3 { font-size: 1.2rem; }
h4 { font-size: 1.02rem; font-weight: 700; }

.entradilla {
  font-size: clamp(1rem, 1.6vw, 1.1rem);
  color: var(--texto-suave);
  max-width: 62ch;
}
.seccion--oscura .entradilla { color: #A8B0BC; }

.cabecera-seccion { margin-bottom: 44px; max-width: 720px; }
.cabecera-seccion.centrado { margin-inline: auto; }
.cabecera-seccion.centrado .entradilla { margin-inline: auto; }

/* ---------- botones ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 14px 26px;
  border: 2px solid transparent;
  border-radius: 100px;
  font-weight: 700;
  font-size: .95rem;
  cursor: pointer;
  transition: var(--transicion);
  white-space: nowrap;
  line-height: 1;
}
.btn svg { width: 18px; height: 18px; flex: none; }

.btn--primario {
  background: var(--dorado);
  color: #fff;
  box-shadow: 0 6px 18px rgba(185,143,69,.34);
}
.btn--primario:hover {
  background: var(--dorado-oscuro);
  transform: translateY(-2px);
  box-shadow: 0 10px 26px rgba(185,143,69,.42);
}

.btn--secundario {
  background: transparent;
  color: var(--grafito);
  border-color: var(--linea);
}
.btn--secundario:hover {
  border-color: var(--grafito);
  background: var(--grafito);
  color: #fff;
  transform: translateY(-2px);
}

.btn--claro {
  background: #fff;
  color: var(--grafito);
}
.btn--claro:hover { transform: translateY(-2px); box-shadow: var(--sombra); }

.btn--fantasma-claro {
  background: rgba(255,255,255,.08);
  color: #fff;
  border-color: rgba(255,255,255,.28);
  backdrop-filter: blur(6px);
}
.btn--fantasma-claro:hover { background: rgba(255,255,255,.16); transform: translateY(-2px); }

.btn--bloque { width: 100%; }

/* ==========================================================================
   CABECERA
   ========================================================================== */
.cabecera {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,.9);
  backdrop-filter: blur(14px) saturate(1.6);
  border-bottom: 1px solid var(--linea);
}
.cabecera__fila {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 86px;
}

/* logo */
.logo { display: flex; align-items: center; gap: 11px; flex: none; }
.logo__img { height: 42px; width: auto; }
.logo__img--principal { height: 54px; width: auto; flex: none; }
.logo__img--pie { height: 48px; width: auto; flex: none; opacity: .96; }
@media (max-width: 860px) { .logo__img--principal { height: 44px; } .logo__texto { display: flex; } }
@media (max-width: 480px) { .logo__claim { display: none; } .logo__nombre { font-size: 1.02rem; } }

@media (max-width: 860px) {  }
.logo__texto { display: flex; flex-direction: column; line-height: 1.1; }
.logo__nombre {
  font-weight: 800;
  font-size: 1.12rem;
  letter-spacing: -.02em;
  color: var(--grafito);
}
.logo__nombre span { color: var(--dorado); }
.logo__claim {
  font-size: .63rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--texto-suave);
  font-weight: 600;
}

/* navegación */
.nav { display: flex; align-items: center; gap: 4px; }
.nav a {
  position: relative;
  padding: 9px 15px;
  border-radius: 100px;
  font-size: .93rem;
  font-weight: 600;
  color: var(--texto);
  transition: var(--transicion);
}
.nav a:hover { background: var(--arena); color: var(--grafito); }
.nav a.activo { color: var(--dorado); }
.nav a.activo::after {
  content: "";
  position: absolute;
  left: 15px; right: 15px; bottom: 2px;
  height: 2px;
  background: var(--dorado);
  border-radius: 2px;
}

.cabecera__acciones { display: flex; align-items: center; gap: 12px; flex: none; }
.cabecera__tel {
  display: flex; align-items: center; gap: 8px;
  font-weight: 700; font-size: .92rem;
  color: var(--grafito);
}
.cabecera__tel svg { width: 17px; height: 17px; color: var(--dorado); }

/* menú móvil */
.hamburguesa {
  display: none;
  width: 46px; height: 46px;
  border: 1px solid var(--linea);
  background: #fff;
  border-radius: 12px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex: none;
}
.hamburguesa span {
  position: relative;
  display: block;
  width: 20px; height: 2px;
  background: var(--grafito);
  border-radius: 2px;
  transition: var(--transicion);
}
.hamburguesa span::before,
.hamburguesa span::after {
  content: ""; position: absolute; left: 0;
  width: 20px; height: 2px; background: var(--grafito); border-radius: 2px;
  transition: var(--transicion);
}
.hamburguesa span::before { top: -6px; }
.hamburguesa span::after  { top: 6px; }
.hamburguesa.abierto span { background: transparent; }
.hamburguesa.abierto span::before { top: 0; transform: rotate(45deg); }
.hamburguesa.abierto span::after  { top: 0; transform: rotate(-45deg); }

.nav-movil {
  display: none;
  border-top: 1px solid var(--linea);
  background: #fff;
  padding: 10px 0 18px;
}
.nav-movil.abierto { display: block; }
.nav-movil a {
  display: block;
  padding: 13px 22px;
  font-weight: 600;
  border-radius: 10px;
  margin: 0 10px;
}
.nav-movil a:hover, .nav-movil a.activo { background: var(--dorado-suave); color: var(--dorado-oscuro); }
.nav-movil .btn { margin: 12px 22px 0; }

/* ==========================================================================
   HERO
   ========================================================================== */
.hero {
  position: relative;
  background:
    linear-gradient(96deg,
      rgba(12,14,18,.55) 0%,
      rgba(12,14,18,.51) 30%,
      rgba(12,14,18,.27) 55%,
      rgba(12,14,18,.16) 75%,
      rgba(12,14,18,.18) 100%),
    url("../img/hero.jpg") center/cover no-repeat,
    var(--grafito);
  color: #fff;
  padding: 92px 0 96px;
  overflow: hidden;
}
@media (max-width: 900px) {
  .hero {
    background:
      linear-gradient(180deg, rgba(12,14,18,.58) 0%, rgba(12,14,18,.64) 55%, rgba(12,14,18,.74) 100%),
      url("../img/hero-960.jpg") center/cover no-repeat,
      var(--grafito);
    padding: 64px 0 72px;
  }
}
.hero::after {
  content: "";
  position: absolute;
  right: -140px; bottom: -160px;
  width: 460px; height: 460px;
  background: radial-gradient(circle, rgba(185,143,69,.30), transparent 68%);
  pointer-events: none;
}
.hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 56px;
  align-items: center;
}
.hero h1 { margin-bottom: 20px; }
.hero h1 em { color: var(--dorado); font-style: normal; }
.hero__texto { font-size: clamp(1.02rem, 1.7vw, 1.16rem); color: #DCE1E9; max-width: 54ch; margin-bottom: 32px; }
.hero__botones { display: flex; flex-wrap: wrap; gap: 14px; }

.hero__sellos {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin-top: 38px;
  padding-top: 26px;
  border-top: 1px solid rgba(255,255,255,.13);
}
.hero__sello {
  display: flex; align-items: center; gap: 9px;
  font-size: .87rem; font-weight: 600; color: #D4DAE3;
}
.hero__sello svg { width: 18px; height: 18px; color: var(--dorado); flex: none; }

/* tarjeta de presupuesto del hero */
.hero__tarjeta {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: var(--radio-lg);
  padding: 30px;
  backdrop-filter: blur(10px);
  box-shadow: 0 24px 60px rgba(0,0,0,.3);
}
.hero__tarjeta h3 { margin-bottom: 8px; }
.hero__tarjeta p { color: #C9CFD9; font-size: .92rem; margin-bottom: 22px; }
.hero__lista { display: grid; gap: 13px; }
.hero__lista li {
  display: flex; align-items: flex-start; gap: 11px;
  font-size: .91rem; color: #D8DDE5;
}
.hero__lista svg { width: 17px; height: 17px; color: var(--dorado); flex: none; margin-top: 4px; }

/* ==========================================================================
   TIRA DE DATOS
   ========================================================================== */
.datos {
  background: var(--grafito-2);
  color: #fff;
  padding: 34px 0;
}
.datos__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 26px;
  text-align: center;
}
.datos__num {
  font-size: clamp(1.7rem, 3.4vw, 2.35rem);
  font-weight: 800;
  color: var(--dorado);
  line-height: 1;
  letter-spacing: -.03em;
}
.datos__txt {
  font-size: .8rem;
  color: #A8B0BC;
  text-transform: uppercase;
  letter-spacing: .1em;
  font-weight: 600;
  margin-top: 9px;
}

/* ==========================================================================
   TARJETAS DE SERVICIO
   ========================================================================== */
.rejilla-servicios {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(285px, 1fr));
  gap: 24px;
}

.servicio {
  position: relative;
  background: #fff;
  border: 1px solid var(--linea);
  border-radius: var(--radio);
  padding: 32px 28px;
  transition: var(--transicion);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.servicio::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--dorado), #D8B872);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .4s cubic-bezier(.4,0,.2,1);
}
.servicio:hover {
  transform: translateY(-5px);
  box-shadow: var(--sombra-lg);
  border-color: transparent;
}
.servicio:hover::before { transform: scaleX(1); }

.servicio__icono {
  width: 54px; height: 54px;
  border-radius: 14px;
  background: var(--dorado-suave);
  color: var(--dorado);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
  transition: var(--transicion);
}
.servicio__icono svg { width: 26px; height: 26px; }
.servicio:hover .servicio__icono {
  background: var(--dorado);
  color: #fff;
  transform: rotate(-4deg);
}

.servicio h3 { margin-bottom: 10px; }
.servicio p { color: var(--texto-suave); font-size: .93rem; margin-bottom: 18px; }
.servicio__lista { display: grid; gap: 8px; margin-bottom: 22px; }
.servicio__lista li {
  display: flex; align-items: flex-start; gap: 9px;
  font-size: .89rem; color: var(--texto);
}
.servicio__lista li::before {
  content: "";
  flex: none;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--dorado);
  margin-top: 8px;
}
.servicio__enlace {
  margin-top: auto;
  display: inline-flex; align-items: center; gap: 7px;
  font-weight: 700; font-size: .89rem; color: var(--dorado);
}
.servicio__enlace svg { width: 15px; height: 15px; transition: transform var(--transicion); }
.servicio__enlace:hover svg { transform: translateX(4px); }

/* ==========================================================================
   BLOQUE "POR QUÉ ELEGIRNOS"
   ========================================================================== */
.pilares {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 34px;
  margin-top: 8px;
}
.pilar__icono {
  width: 46px; height: 46px;
  border-radius: 12px;
  background: rgba(185,143,69,.16);
  color: var(--dorado);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
}
.pilar__icono svg { width: 23px; height: 23px; }
.pilar h3 { margin-bottom: 9px; font-size: 1.08rem; }
.pilar p { color: #A8B0BC; font-size: .92rem; }

/* ==========================================================================
   PROCESO (pasos)
   ========================================================================== */
.pasos {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 26px;
  counter-reset: paso;
  margin-top: 8px;
}
.paso {
  position: relative;
  padding-top: 30px;
  border-top: 2px solid var(--linea);
}
.paso::before {
  counter-increment: paso;
  content: "0" counter(paso);
  position: absolute;
  top: -14px; left: 0;
  background: var(--blanco);
  padding-right: 14px;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--dorado);
  line-height: 1;
}
.seccion--arena .paso::before { background: var(--arena); }
.paso h3 { font-size: 1.02rem; margin-bottom: 8px; }
.paso p { color: var(--texto-suave); font-size: .91rem; }

/* ==========================================================================
   ANTES / DESPUÉS
   ========================================================================== */
.obras {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 30px;
}

.obra {
  background: #fff;
  border: 1px solid var(--linea);
  border-radius: var(--radio);
  overflow: hidden;
  box-shadow: var(--sombra-sm);
  transition: var(--transicion);
}
.obra:hover { box-shadow: var(--sombra-lg); transform: translateY(-4px); }

.comparador {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--arena-2);
  cursor: ew-resize;
  user-select: none;
  touch-action: pan-y;
}
.comparador img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
}
.comparador__despues { clip-path: inset(0 0 0 var(--corte, 50%)); }
.comparador__asa {
  position: absolute;
  top: 0; bottom: 0;
  left: var(--corte, 50%);
  width: 3px;
  background: #fff;
  box-shadow: 0 0 0 1px rgba(0,0,0,.12);
  transform: translateX(-50%);
  pointer-events: none;
}
.comparador__asa::after {
  content: "";
  position: absolute;
  top: 50%; left: 50%;
  width: 44px; height: 44px;
  transform: translate(-50%,-50%);
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 4px 14px rgba(0,0,0,.28);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23181B21' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M9 6 4 12l5 6M15 6l5 6-5 6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
}
.comparador__marca {
  position: absolute;
  top: 13px;
  padding: 5px 12px;
  border-radius: 100px;
  font-size: .68rem;
  font-weight: 800;
  letter-spacing: .11em;
  text-transform: uppercase;
  color: #fff;
  background: rgba(24,27,33,.72);
  backdrop-filter: blur(4px);
  pointer-events: none;
}
.comparador__marca--antes  { left: 13px; }
.comparador__marca--despues { right: 13px; background: var(--dorado); }

.obra__cuerpo { padding: 22px 24px 24px; }
.obra__meta {
  display: flex; align-items: center; flex-wrap: wrap;
  gap: 5px 8px;
  font-size: .76rem; font-weight: 700;
  letter-spacing: .08em; text-transform: uppercase;
  color: var(--dorado);
  margin-bottom: 10px;
}
/* el icono de direccion DEBE tener tamano fijo: sin esto el SVG se
   renderiza a su tamano por defecto (~300px) y rompe la tarjeta en movil */
.obra__meta svg { width: 15px; height: 15px; flex: none; }
.obra__meta span { color: var(--texto-suave); letter-spacing: normal; text-transform: none; font-weight: 600; }
.obra__meta .obra__zona { color: var(--dorado); }
.obra__meta .obra__badge {
  background: var(--dorado-suave); color: #8A6A22;
  font-size: .71rem; font-weight: 800;
  padding: 3px 9px; border-radius: 999px;
  white-space: nowrap; letter-spacing: .02em; text-transform: none;
}
.obra h3 { margin-bottom: 8px; font-size: 1.08rem; }
.obra p { color: var(--texto-suave); font-size: .9rem; }
.obra__detalles {
  display: flex; flex-wrap: wrap; gap: 7px;
  margin-top: 16px; padding-top: 16px;
  border-top: 1px solid var(--linea);
}
.obra__detalles li {
  font-size: .78rem; font-weight: 600;
  background: var(--arena);
  color: var(--texto-suave);
  padding: 5px 11px;
  border-radius: 100px;
}

/* aviso de que las imágenes son de ejemplo */
.aviso-maqueta {
  display: flex; align-items: flex-start; gap: 11px;
  background: #FFF8E6;
  border: 1px solid #F5DFA8;
  border-radius: var(--radio-sm);
  padding: 14px 17px;
  font-size: .86rem;
  color: #7A5A12;
  margin-bottom: 30px;
}
.aviso-maqueta svg { width: 19px; height: 19px; flex: none; margin-top: 2px; }
.aviso-maqueta strong { font-weight: 700; }

/* ==========================================================================
   EMPRESA (historia + valores + equipo)
   ========================================================================== */
.historia {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.historia__texto p { margin-bottom: 16px; color: var(--texto-suave); }
.historia__texto p:last-child { margin-bottom: 0; }
.historia__marco {
  border-radius: var(--radio-lg);
  overflow: hidden;
  box-shadow: var(--sombra-lg);
  border: 1px solid var(--linea);
  background: var(--arena);
}

.lista-tilde { display: grid; gap: 12px; margin-top: 24px; }
.lista-tilde li { display: flex; align-items: flex-start; gap: 11px; font-size: .94rem; }
.lista-tilde svg { width: 19px; height: 19px; color: var(--verde); flex: none; margin-top: 3px; }

.equipo {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(215px, 1fr));
  gap: 24px;
  margin-top: 8px;
}
.persona {
  background: #fff;
  border: 1px solid var(--linea);
  border-radius: var(--radio);
  padding: 28px 24px;
  text-align: center;
  transition: var(--transicion);
}
.persona:hover { transform: translateY(-4px); box-shadow: var(--sombra); }
.persona__avatar {
  width: 84px; height: 84px;
  border-radius: 50%;
  margin: 0 auto 16px;
  background: var(--arena-2);
  border: 3px solid #fff;
  box-shadow: 0 0 0 1px var(--linea);
  overflow: hidden;
}
.persona h3 { font-size: 1.02rem; margin-bottom: 4px; }
.persona__puesto {
  font-size: .8rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: .1em;
  color: var(--dorado);
  margin-bottom: 10px;
}
.persona p { font-size: .88rem; color: var(--texto-suave); }

/* ==========================================================================
   TESTIMONIOS
   ========================================================================== */
.testimonios {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 24px;
}
.testimonio {
  background: #fff;
  border: 1px solid var(--linea);
  border-radius: var(--radio);
  padding: 28px 26px;
  display: flex;
  flex-direction: column;
}
.testimonio__estrellas { display: flex; gap: 3px; margin-bottom: 15px; color: #F5A623; }
.testimonio__estrellas svg { width: 17px; height: 17px; }
.testimonio blockquote {
  font-size: .95rem;
  color: var(--texto);
  margin-bottom: 20px;
  flex: 1;
}
.testimonio__autor {
  display: flex; align-items: center; gap: 12px;
  padding-top: 18px;
  border-top: 1px solid var(--linea);
}
.testimonio__inicial {
  width: 42px; height: 42px;
  border-radius: 50%;
  background: var(--dorado-suave);
  color: var(--dorado-oscuro);
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: .95rem;
  flex: none;
}
.testimonio__nombre { font-weight: 700; font-size: .9rem; }
.testimonio__lugar { font-size: .8rem; color: var(--texto-suave); }

/* ==========================================================================
   FRANJA CTA
   ========================================================================== */
.cta {
  background:
    linear-gradient(120deg, rgba(255,107,26,.94), rgba(225,85,10,.94)),
    var(--dorado);
  color: #fff;
  padding: 66px 0;
}
.cta__fila {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 36px;
  flex-wrap: wrap;
}
.cta h2 { margin-bottom: 10px; }
.cta p { color: rgba(255,255,255,.9); max-width: 56ch; }
.cta__botones { display: flex; gap: 14px; flex-wrap: wrap; }

/* ==========================================================================
   CONTACTO
   ========================================================================== */
.contacto-grid {
  display: grid;
  grid-template-columns: .95fr 1.05fr;
  gap: 48px;
  align-items: start;
}

.datos-contacto { display: grid; gap: 16px; margin-top: 30px; }
.dato {
  display: flex; gap: 15px;
  padding: 20px 22px;
  background: #fff;
  border: 1px solid var(--linea);
  border-radius: var(--radio);
  transition: var(--transicion);
}
.dato:hover { border-color: var(--dorado); box-shadow: var(--sombra-sm); }
.dato__icono {
  width: 44px; height: 44px; flex: none;
  border-radius: 12px;
  background: var(--dorado-suave);
  color: var(--dorado);
  display: flex; align-items: center; justify-content: center;
}
.dato__icono svg { width: 21px; height: 21px; }
.dato h4 { margin-bottom: 3px; font-size: .95rem; }
.dato p { font-size: .9rem; color: var(--texto-suave); }
.dato a { color: var(--texto-suave); }
.dato a:hover { color: var(--dorado); }

/* formulario */
.formulario {
  background: #fff;
  border: 1px solid var(--linea);
  border-radius: var(--radio-lg);
  padding: 36px;
  box-shadow: var(--sombra);
}
.formulario__fila {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.campo { margin-bottom: 18px; }
.campo label {
  display: block;
  font-size: .84rem;
  font-weight: 700;
  margin-bottom: 7px;
  color: var(--grafito);
}
.campo label .req { color: var(--dorado); }
.campo input,
.campo select,
.campo textarea {
  width: 100%;
  padding: 13px 15px;
  border: 1.5px solid var(--linea);
  border-radius: var(--radio-sm);
  background: var(--arena);
  font-size: .94rem;
  transition: var(--transicion);
}
.campo textarea { resize: vertical; min-height: 118px; }
.campo input:focus,
.campo select:focus,
.campo textarea:focus {
  outline: none;
  border-color: var(--dorado);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(185,143,69,.15);
}
.campo input::placeholder, .campo textarea::placeholder { color: #9AA1AC; }

.campo--check {
  display: flex;
  align-items: flex-start;
  gap: 11px;
  font-size: .84rem;
  color: var(--texto-suave);
  margin-bottom: 22px;
}
.campo--check input { width: 19px; height: 19px; flex: none; margin-top: 2px; accent-color: var(--dorado); }
.campo--check a { color: var(--dorado); text-decoration: underline; }

.formulario__nota {
  font-size: .78rem;
  color: var(--texto-suave);
  text-align: center;
  margin-top: 14px;
}

.mensaje-exito {
  display: none;
  text-align: center;
  padding: 46px 26px;
}
.mensaje-exito.visible { display: block; }
.mensaje-exito__icono {
  width: 74px; height: 74px;
  border-radius: 50%;
  background: rgba(31,157,85,.12);
  color: var(--verde);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 22px;
}
.mensaje-exito__icono svg { width: 36px; height: 36px; }
.mensaje-exito h3 { margin-bottom: 10px; }
.mensaje-exito p { color: var(--texto-suave); max-width: 44ch; margin: 0 auto 24px; }

/* ==========================================================================
   PREGUNTAS FRECUENTES
   ========================================================================== */
.faq { max-width: 840px; margin-inline: auto; }
.faq details {
  background: #fff;
  border: 1px solid var(--linea);
  border-radius: var(--radio-sm);
  margin-bottom: 12px;
  overflow: hidden;
  transition: var(--transicion);
}
.faq details[open] { border-color: var(--dorado); box-shadow: var(--sombra-sm); }
.faq summary {
  padding: 19px 22px;
  font-weight: 700;
  font-size: .96rem;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  font-size: 1.4rem;
  font-weight: 400;
  color: var(--dorado);
  line-height: 1;
  flex: none;
  transition: transform var(--transicion);
}
.faq details[open] summary::after { transform: rotate(45deg); }
.faq p { padding: 0 22px 20px; color: var(--texto-suave); font-size: .92rem; }

/* ==========================================================================
   PIE
   ========================================================================== */
.pie {
  background: var(--grafito);
  color: #A8B0BC;
  padding: 62px 0 0;
  font-size: .9rem;
}
.pie__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 36px;
  padding-bottom: 46px;
}
.pie h2 {
  font-size: .82rem;
  text-transform: uppercase;
  letter-spacing: .13em;
  color: #fff;
  margin-bottom: 18px;
  font-weight: 700;
}
.pie__logo { margin-bottom: 16px; }
.pie__logo .logo__nombre { color: #fff; }
.pie__logo .logo__claim { color: #7D848F; }
.pie p { line-height: 1.7; }
.pie ul { display: grid; gap: 10px; }
.pie a:hover { color: var(--dorado); }
.pie__contacto li { display: flex; gap: 10px; align-items: flex-start; }
.pie__contacto svg { width: 17px; height: 17px; color: var(--dorado); flex: none; margin-top: 3px; }

.pie__legal {
  border-top: 1px solid rgba(255,255,255,.1);
  padding: 22px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
  font-size: .82rem;
}
.pie__legal nav { display: flex; gap: 20px; flex-wrap: wrap; }

/* ==========================================================================
   BOTONES FLOTANTES (móvil)
   ========================================================================== */
.flotantes {
  position: fixed;
  right: 18px; bottom: 18px;
  z-index: 90;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.flotante {
  width: 56px; height: 56px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 8px 24px rgba(0,0,0,.24);
  transition: var(--transicion);
  color: #fff;
}
.flotante:hover { transform: scale(1.08); }
.flotante svg { width: 24px; height: 24px; }
.flotante--tel { background: var(--dorado); }
.flotante--wsp { background: #25D366; }

/* ==========================================================================
   ANIMACIÓN DE ENTRADA
   ========================================================================== */
.revelar {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .6s ease, transform .6s cubic-bezier(.4,0,.2,1);
}
.revelar.visible { opacity: 1; transform: none; }
.revelar:nth-child(2) { transition-delay: .07s; }
.revelar:nth-child(3) { transition-delay: .14s; }
.revelar:nth-child(4) { transition-delay: .21s; }

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 1024px) {
  .hero__grid { grid-template-columns: 1fr; gap: 44px; }
  .hero { padding: 74px 0 78px; }
  .historia { grid-template-columns: 1fr; gap: 38px; }
  .contacto-grid { grid-template-columns: 1fr; gap: 38px; }
  .pie__grid { grid-template-columns: 1fr 1fr; gap: 34px; }
  .datos__grid { grid-template-columns: repeat(2, 1fr); gap: 30px; }
}

@media (max-width: 860px) {
  .nav, .cabecera__tel { display: none; }
  .hamburguesa { display: flex; }
  .cabecera__acciones .btn { display: none; }
}

@media (max-width: 640px) {
  .seccion { padding: 56px 0; }
  .hero { padding: 54px 0 60px; }
  .hero__tarjeta { padding: 24px; }
  .formulario { padding: 26px 22px; }
  .formulario__fila { grid-template-columns: 1fr; gap: 0; }
  .pie__grid { grid-template-columns: 1fr; }
  .cta__fila { flex-direction: column; align-items: flex-start; }
  .cta__botones { width: 100%; }
  .cta__botones .btn { flex: 1; }
  .datos__grid { grid-template-columns: 1fr 1fr; gap: 24px; }
  .hero__botones .btn { flex: 1 1 auto; }
  .obras { grid-template-columns: 1fr; }
  .pie__legal { justify-content: center; text-align: center; }
}

@media (max-width: 380px) {
  .contenedor { padding-inline: 16px; }
  .datos__grid { grid-template-columns: 1fr; }
}