/* ============================================================
   WR CONSULTING ENGINEERS S.A.C. (WRCE)
   Hoja de estilos principal — sitio corporativo
   Paleta:  Azul corporativo #0B2447 · Celeste técnico #BAD7E9
            Arena #DFA67B · Verde agua #245953
   Tipografía:  Títulos = Gotham Black (fallback Montserrat 900)
                Texto   = Montserrat Light (300)
   ============================================================ */

/* ---------- Variables de marca ---------- */
:root{
  --azul:        #0B2447;   /* Azul corporativo */
  --azul-900:    #081a36;
  --azul-700:    #123b6e;
  --celeste:     #BAD7E9;   /* Celeste técnico */
  --celeste-50:  #eef6fb;
  --arena:       #DFA67B;   /* Arena */
  --arena-600:   #cf8a58;
  --verde:       #245953;   /* Verde agua */
  --verde-600:   #1c463f;

  --tinta:       #0e1b2a;   /* texto principal */
  --gris:        #5b6b7d;   /* texto secundario */
  --gris-borde:  #e3e9ef;
  --blanco:      #ffffff;
  --hueso:       #f6f9fb;

  --radio:       14px;
  --radio-sm:    9px;
  --sombra:      0 18px 50px -22px rgba(11,36,71,.45);
  --sombra-sm:   0 8px 26px -16px rgba(11,36,71,.40);
  --transicion:  .35s cubic-bezier(.22,.61,.36,1);

  /* Familias tipográficas. Reemplaza "Gotham Black" si tienes la
     licencia: declara la @font-face y antepón "Gotham" aquí. */
  --fuente-titulo: "Gotham Black", "Montserrat", system-ui, sans-serif;
  --fuente-texto:  "Montserrat", system-ui, -apple-system, sans-serif;

  --ancho: 1180px;
}

/* ---------- Reset ligero ---------- */
*,*::before,*::after{ box-sizing:border-box; margin:0; padding:0; }
html{ scroll-behavior:smooth; -webkit-text-size-adjust:100%; }
body{
  font-family:var(--fuente-texto);
  font-weight:300;
  color:var(--tinta);
  background:var(--blanco);
  line-height:1.7;
  font-size:17px;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ list-style:none; }
button{ font-family:inherit; cursor:pointer; border:none; background:none; }

/* ---------- Tipografía ---------- */
h1,h2,h3,h4,.t{
  font-family:var(--fuente-titulo);
  font-weight:900;
  line-height:1.08;
  letter-spacing:-.01em;
  color:var(--azul);
}
h1{ font-size:clamp(2.1rem,5vw,3.6rem); }
h2{ font-size:clamp(1.7rem,3.6vw,2.6rem); }
h3{ font-size:clamp(1.15rem,2vw,1.4rem); }
p{ font-weight:300; }
strong{ font-weight:600; }

/* ---------- Utilidades ---------- */
.contenedor{ width:min(100% - 2.6rem, var(--ancho)); margin-inline:auto; }
.seccion{ padding:clamp(3.6rem,8vw,6.5rem) 0; }
.seccion--hueso{ background:var(--hueso); }
.seccion--azul{ background:var(--azul); color:#dce6f1; }
.seccion--azul h2,.seccion--azul h3{ color:#fff; }

.eyebrow{
  display:inline-flex; align-items:center; gap:.55rem;
  font-weight:600; font-size:.74rem; letter-spacing:.22em;
  text-transform:uppercase; color:var(--verde);
  margin-bottom:1rem;
}
.eyebrow::before{
  content:""; width:26px; height:2px; background:var(--arena);
}
.seccion--azul .eyebrow{ color:var(--celeste); }

.encabezado-seccion{ max-width:720px; margin-bottom:2.8rem; }
.encabezado-seccion.centrado{ margin-inline:auto; text-align:center; }
.encabezado-seccion p{ color:var(--gris); margin-top:.9rem; font-size:1.05rem; }
.seccion--azul .encabezado-seccion p{ color:#aebfd2; }

.lead{ font-size:1.12rem; color:var(--gris); }

/* ---------- Botones ---------- */
.btn{
  display:inline-flex; align-items:center; gap:.55rem;
  padding:.92em 1.7em; border-radius:50px;
  font-weight:600; font-size:.95rem; letter-spacing:.01em;
  transition:var(--transicion); will-change:transform;
  white-space:nowrap;
}
.btn svg{ width:18px; height:18px; }
.btn--primario{ background:var(--arena); color:var(--azul-900); box-shadow:0 12px 30px -12px rgba(223,166,123,.8); }
.btn--primario:hover{ background:var(--arena-600); transform:translateY(-3px); }
.btn--solido{ background:var(--azul); color:#fff; }
.btn--solido:hover{ background:var(--azul-700); transform:translateY(-3px); }
.btn--verde{ background:var(--verde); color:#fff; }
.btn--verde:hover{ background:var(--verde-600); transform:translateY(-3px); }
.btn--ghost{ background:transparent; color:#fff; border:1.5px solid rgba(255,255,255,.55); }
.btn--ghost:hover{ background:#fff; color:var(--azul); border-color:#fff; transform:translateY(-3px); }
.btn--lineas{ background:transparent; color:var(--azul); border:1.5px solid var(--gris-borde); }
.btn--lineas:hover{ border-color:var(--azul); transform:translateY(-3px); }

/* ============================================================
   HEADER / NAVEGACIÓN
   ============================================================ */
.cabecera{
  position:fixed; inset:0 0 auto 0; z-index:100;
  transition:var(--transicion);
  padding:.7rem 0;
}
.cabecera__inner{
  display:flex; align-items:center; justify-content:space-between; gap:1.5rem;
}
.cabecera.transparente{ background:transparent; }
.cabecera.solida{
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(180%) blur(14px);
  box-shadow:0 6px 24px -18px rgba(11,36,71,.6);
}

/* Logo (placeholder tipográfico — reemplazar por <img> del logo real) */
.logo{ display:flex; align-items:center; gap:.7rem; }
.logo__marca{
  width:46px; height:46px; border-radius:11px; flex:0 0 auto;
  background:linear-gradient(135deg,var(--azul),var(--verde));
  display:grid; place-items:center; color:#fff;
  font-family:var(--fuente-titulo); font-weight:900; font-size:1.15rem;
  box-shadow:var(--sombra-sm);
}
.logo__txt{ line-height:1.1; }
.logo__txt b{ font-family:var(--fuente-titulo); font-weight:900; font-size:1.18rem; letter-spacing:-.02em; display:block; color:var(--azul); }
.logo__txt span{ font-size:.66rem; letter-spacing:.18em; text-transform:uppercase; color:var(--verde); font-weight:600; }
.cabecera.transparente .logo__txt b{ color:#fff; }
.cabecera.transparente .logo__txt span{ color:var(--celeste); }

.nav{ display:flex; align-items:center; gap:.35rem; }
.nav a{
  position:relative; padding:.55rem .9rem; border-radius:8px;
  font-size:.92rem; font-weight:400; color:var(--tinta);
  transition:color .25s;
}
.nav a::after{
  content:""; position:absolute; left:.9rem; right:.9rem; bottom:.35rem;
  height:2px; background:var(--arena); transform:scaleX(0); transform-origin:left;
  transition:transform .3s;
}
.nav a:hover::after,.nav a.activo::after{ transform:scaleX(1); }
.nav a.activo{ font-weight:600; color:var(--azul); }
.cabecera.transparente .nav a{ color:#eaf1f8; }
.cabecera.transparente .nav a.activo{ color:#fff; }

.cabecera__cta{ display:flex; align-items:center; gap:.8rem; }

/* Botón hamburguesa */
.menu-btn{ display:none; width:44px; height:44px; border-radius:10px; position:relative; }
.menu-btn span,.menu-btn span::before,.menu-btn span::after{
  content:""; position:absolute; left:50%; top:50%; width:22px; height:2px;
  background:var(--azul); border-radius:2px; transform:translate(-50%,-50%);
  transition:.3s;
}
.menu-btn span::before{ transform:translate(-50%,-7px); }
.menu-btn span::after{ transform:translate(-50%,5px); }
.cabecera.transparente .menu-btn span,
.cabecera.transparente .menu-btn span::before,
.cabecera.transparente .menu-btn span::after{ background:#fff; }
body.menu-abierto .menu-btn span{ background:transparent; }
body.menu-abierto .menu-btn span::before{ transform:translate(-50%,0) rotate(45deg); background:var(--azul); }
body.menu-abierto .menu-btn span::after{ transform:translate(-50%,0) rotate(-45deg); background:var(--azul); }

/* ============================================================
   HERO
   ============================================================ */
.hero{
  position:relative; min-height:100svh; display:flex; align-items:center;
  color:#fff; overflow:hidden;
}
.hero__bg{ position:absolute; inset:0; z-index:-2; }
.hero__bg img{ width:100%; height:100%; object-fit:cover; }
.hero__bg::after{
  content:""; position:absolute; inset:0;
  background:
    linear-gradient(105deg, rgba(8,26,54,.92) 0%, rgba(11,36,71,.78) 38%, rgba(11,36,71,.30) 100%),
    linear-gradient(0deg, rgba(8,26,54,.65), rgba(8,26,54,0) 45%);
}
.hero__inner{ padding:9rem 0 4.5rem; max-width:840px; }
.hero h1{ color:#fff; }
.hero__sub{
  font-size:clamp(1.02rem,1.6vw,1.25rem); color:#cfe0f0; font-weight:300;
  margin:1.5rem 0 2.4rem; max-width:640px;
}
.hero__acciones{ display:flex; flex-wrap:wrap; gap:1rem; }
.hero__chips{ display:flex; flex-wrap:wrap; gap:.7rem 1.4rem; margin-top:2.8rem; }
.hero__chips span{ display:inline-flex; align-items:center; gap:.5rem; font-size:.85rem; color:#bfd2e6; }
.hero__chips svg{ width:18px; height:18px; color:var(--arena); }

.hero__scroll{
  position:absolute; left:50%; bottom:1.7rem; transform:translateX(-50%);
  display:flex; flex-direction:column; align-items:center; gap:.4rem;
  font-size:.66rem; letter-spacing:.2em; text-transform:uppercase; color:#9fb6cf;
}
.hero__scroll i{ width:1px; height:34px; background:linear-gradient(var(--arena),transparent); animation:descender 1.8s infinite; }
@keyframes descender{ 0%{opacity:0;transform:scaleY(.2);transform-origin:top} 50%{opacity:1} 100%{opacity:0;transform:scaleY(1);transform-origin:bottom} }

/* Hero interior (páginas internas) */
.hero-int{
  position:relative; color:#fff; padding:11rem 0 4.5rem; overflow:hidden;
}
.hero-int__bg{ position:absolute; inset:0; z-index:-2; }
.hero-int__bg img{ width:100%; height:100%; object-fit:cover; }
.hero-int__bg::after{ content:""; position:absolute; inset:0;
  background:linear-gradient(100deg, rgba(8,26,54,.93), rgba(11,36,71,.72) 60%, rgba(36,89,83,.55)); }
.hero-int h1{ color:#fff; max-width:760px; }
.hero-int p{ color:#cfe0f0; max-width:620px; margin-top:1rem; font-size:1.08rem; }
.miga{ display:flex; gap:.5rem; align-items:center; font-size:.8rem; color:#a9c0d8; margin-bottom:1.1rem; letter-spacing:.04em; }
.miga a:hover{ color:#fff; }
.miga span{ color:var(--arena); }

/* ============================================================
   TARJETAS / GRIDS GENERALES
   ============================================================ */
.grid{ display:grid; gap:1.5rem; }
.grid-2{ grid-template-columns:repeat(2,1fr); }
.grid-3{ grid-template-columns:repeat(3,1fr); }
.grid-4{ grid-template-columns:repeat(4,1fr); }

.tarjeta{
  background:#fff; border:1px solid var(--gris-borde); border-radius:var(--radio);
  padding:2rem 1.8rem; transition:var(--transicion); height:100%;
}
.tarjeta:hover{ transform:translateY(-6px); box-shadow:var(--sombra); border-color:transparent; }
.tarjeta__icono{
  width:56px; height:56px; border-radius:14px; display:grid; place-items:center;
  background:var(--celeste-50); color:var(--verde); margin-bottom:1.2rem;
}
.tarjeta__icono svg{ width:28px; height:28px; }
.tarjeta h3{ margin-bottom:.6rem; }
.tarjeta p{ color:var(--gris); font-size:.97rem; }

/* ============================================================
   SERVICIOS — bloques alternados
   ============================================================ */
.servicio{
  display:grid; grid-template-columns:1.05fr 1fr; gap:clamp(2rem,5vw,4.5rem);
  align-items:center;
}
.servicio + .servicio{ margin-top:clamp(3rem,7vw,5.5rem); }
.servicio:nth-child(even) .servicio__media{ order:2; }
.servicio__media{ position:relative; border-radius:var(--radio); overflow:hidden; box-shadow:var(--sombra); aspect-ratio:4/3; }
.servicio__media img{ width:100%; height:100%; object-fit:cover; transition:transform .8s; }
.servicio:hover .servicio__media img{ transform:scale(1.06); }
.servicio__media .ref{ position:absolute; left:.7rem; bottom:.7rem; }
.servicio__letra{
  font-family:var(--fuente-titulo); font-size:3.2rem; color:var(--celeste);
  line-height:1; margin-bottom:.4rem; opacity:.9;
}
.servicio ul{ display:grid; gap:.7rem; margin-top:1.4rem; }
.servicio ul li{ position:relative; padding-left:1.7rem; color:var(--gris); }
.servicio ul li::before{
  content:""; position:absolute; left:0; top:.55em; width:9px; height:9px;
  border-radius:50%; background:var(--arena);
  box-shadow:0 0 0 4px rgba(223,166,123,.18);
}

/* Etiqueta "imagen referencial" */
.ref{
  display:inline-block; font-size:.62rem; letter-spacing:.08em; text-transform:uppercase;
  background:rgba(8,26,54,.62); color:#dfeaf5; padding:.28em .6em; border-radius:5px;
  backdrop-filter:blur(3px);
}

/* ============================================================
   ESTADÍSTICAS
   ============================================================ */
.stats{ display:grid; grid-template-columns:repeat(4,1fr); gap:1.5rem; text-align:center; }
.stat__num{ font-family:var(--fuente-titulo); font-size:clamp(2.2rem,5vw,3.2rem); color:#fff; line-height:1; }
.stat__num .u{ color:var(--arena); }
.stat__lbl{ color:#aebfd2; font-size:.92rem; margin-top:.5rem; }

/* ============================================================
   VALORES
   ============================================================ */
.valor{ display:flex; gap:1rem; align-items:flex-start; padding:1.4rem; border-radius:var(--radio); transition:var(--transicion); }
.valor:hover{ background:var(--celeste-50); }
.valor__ic{ flex:0 0 auto; width:46px; height:46px; border-radius:12px; background:var(--azul); color:var(--celeste); display:grid; place-items:center; }
.valor__ic svg{ width:24px; height:24px; }
.valor h3{ font-size:1.08rem; margin-bottom:.25rem; }
.valor p{ color:var(--gris); font-size:.93rem; }

/* ============================================================
   MISIÓN / VISIÓN
   ============================================================ */
.mv{ display:grid; grid-template-columns:1fr 1fr; gap:1.6rem; }
.mv__card{ position:relative; padding:2.4rem; border-radius:var(--radio); overflow:hidden; color:#fff; min-height:240px; display:flex; flex-direction:column; justify-content:flex-end; }
.mv__card::after{ content:""; position:absolute; inset:0; z-index:-1; }
.mv__mision{ background:var(--azul); }
.mv__vision{ background:var(--verde); }
.mv__card h3{ color:#fff; font-size:1.5rem; margin-bottom:.7rem; }
.mv__card p{ color:rgba(255,255,255,.86); }
.mv__card .ic{ position:absolute; top:1.6rem; right:1.6rem; opacity:.25; }
.mv__card .ic svg{ width:64px; height:64px; }

/* ============================================================
   METODOLOGÍA — línea de proceso
   ============================================================ */
.proceso{ counter-reset:paso; display:grid; gap:1.4rem; }
.proceso__paso{
  display:grid; grid-template-columns:auto 1fr; gap:1.4rem; align-items:flex-start;
  background:#fff; border:1px solid var(--gris-borde); border-radius:var(--radio);
  padding:1.7rem 1.8rem; transition:var(--transicion); position:relative;
}
.proceso__paso:hover{ box-shadow:var(--sombra); transform:translateX(6px); border-color:transparent; }
.proceso__paso::before{
  counter-increment:paso; content:counter(paso,decimal-leading-zero);
  font-family:var(--fuente-titulo); font-size:1.5rem; color:#fff;
  width:58px; height:58px; border-radius:14px; display:grid; place-items:center;
  background:linear-gradient(135deg,var(--azul),var(--verde));
}
.proceso__paso h3{ margin-bottom:.3rem; }
.proceso__paso p{ color:var(--gris); font-size:.97rem; }

/* ============================================================
   PROYECTOS — filtros + galería
   ============================================================ */
.filtros{ display:flex; flex-wrap:wrap; gap:.6rem; margin-bottom:2.2rem; }
.filtro{
  padding:.55em 1.25em; border-radius:50px; font-size:.86rem; font-weight:500;
  border:1.5px solid var(--gris-borde); color:var(--gris); transition:var(--transicion);
}
.filtro:hover{ border-color:var(--azul); color:var(--azul); }
.filtro.activo{ background:var(--azul); border-color:var(--azul); color:#fff; }

.galeria{ display:grid; grid-template-columns:repeat(3,1fr); gap:1.4rem; }
.proyecto{
  position:relative; border-radius:var(--radio); overflow:hidden; aspect-ratio:4/3;
  box-shadow:var(--sombra-sm); transition:var(--transicion);
}
.proyecto img{ width:100%; height:100%; object-fit:cover; transition:transform .7s; }
.proyecto:hover{ transform:translateY(-5px); box-shadow:var(--sombra); }
.proyecto:hover img{ transform:scale(1.08); }
.proyecto__cap{
  position:absolute; inset:auto 0 0 0; padding:1.5rem 1.3rem 1.2rem; color:#fff;
  background:linear-gradient(0deg, rgba(8,26,54,.92), rgba(8,26,54,0));
}
.proyecto__cat{ font-size:.68rem; letter-spacing:.12em; text-transform:uppercase; color:var(--arena); font-weight:600; }
.proyecto__cap h3{ color:#fff; font-size:1.05rem; margin-top:.25rem; }
.proyecto__cap .meta{ font-size:.8rem; color:#bcd0e6; margin-top:.2rem; }
.proyecto.oculto{ display:none; }
.proyecto .ref{ position:absolute; top:.7rem; right:.7rem; }

/* Mapa Perú */
.mapa-wrap{ display:grid; grid-template-columns:1fr 1fr; gap:2.5rem; align-items:center; }
.mapa-peru{ position:relative; }
.mapa-peru svg{ width:100%; height:auto; filter:drop-shadow(0 20px 40px rgba(11,36,71,.25)); }
.mapa-peru .pin{ cursor:pointer; transition:.25s; transform-origin:center; transform-box:fill-box; }
.mapa-peru .pin:hover{ transform:scale(1.4); }
.mapa-leyenda{ display:grid; gap:.9rem; }
.mapa-leyenda li{ display:flex; gap:.8rem; align-items:center; color:var(--gris); font-size:.95rem; }
.mapa-leyenda .dot{ width:14px; height:14px; border-radius:50%; flex:0 0 auto; }

/* ============================================================
   CTA banda
   ============================================================ */
.cta-banda{ position:relative; overflow:hidden; color:#fff; }
.cta-banda__bg{ position:absolute; inset:0; z-index:-2; }
.cta-banda__bg img{ width:100%; height:100%; object-fit:cover; }
.cta-banda__bg::after{ content:""; position:absolute; inset:0; background:linear-gradient(100deg,rgba(8,26,54,.94),rgba(36,89,83,.8)); }
.cta-banda__inner{ padding:clamp(3rem,7vw,5rem) 0; text-align:center; max-width:720px; margin-inline:auto; }
.cta-banda h2{ color:#fff; }
.cta-banda p{ color:#cfe0f0; margin:1rem auto 2rem; }
.cta-banda .hero__acciones{ justify-content:center; }

/* ============================================================
   CONTACTO
   ============================================================ */
.contacto-grid{ display:grid; grid-template-columns:1fr 1.15fr; gap:2.8rem; align-items:start; }
.info-bloque{ display:grid; gap:1.3rem; margin:1.8rem 0 2rem; }
.info-item{ display:flex; gap:1rem; align-items:flex-start; }
.info-item__ic{ flex:0 0 auto; width:48px; height:48px; border-radius:12px; background:var(--celeste-50); color:var(--verde); display:grid; place-items:center; }
.info-item__ic svg{ width:23px; height:23px; }
.info-item h4{ font-family:var(--fuente-texto); font-weight:600; font-size:.78rem; letter-spacing:.1em; text-transform:uppercase; color:var(--gris); margin-bottom:.2rem; }
.info-item p,.info-item a{ color:var(--tinta); font-size:1rem; }
.info-item a:hover{ color:var(--verde); }

.formulario{ background:#fff; border:1px solid var(--gris-borde); border-radius:var(--radio); padding:2.2rem; box-shadow:var(--sombra-sm); }
.campo{ margin-bottom:1.15rem; }
.campo label{ display:block; font-size:.82rem; font-weight:600; color:var(--azul); margin-bottom:.4rem; }
.campo input,.campo select,.campo textarea{
  width:100%; padding:.85em 1em; border:1.5px solid var(--gris-borde); border-radius:var(--radio-sm);
  font-family:inherit; font-size:.95rem; font-weight:300; color:var(--tinta); background:var(--hueso);
  transition:.25s;
}
.campo input:focus,.campo select:focus,.campo textarea:focus{
  outline:none; border-color:var(--verde); background:#fff; box-shadow:0 0 0 4px rgba(36,89,83,.1);
}
.campo textarea{ resize:vertical; min-height:120px; }
.form-fila{ display:grid; grid-template-columns:1fr 1fr; gap:1.15rem; }
.form-nota{ font-size:.8rem; color:var(--gris); margin-top:.8rem; }

.mapa-embed{ border-radius:var(--radio); overflow:hidden; box-shadow:var(--sombra-sm); border:1px solid var(--gris-borde); }
.mapa-embed iframe{ width:100%; height:340px; border:0; display:block; }

/* ============================================================
   FOOTER
   ============================================================ */
.pie{ background:var(--azul-900); color:#9fb4cc; padding:4rem 0 1.8rem; }
.pie__top{ display:grid; grid-template-columns:1.4fr 1fr 1fr 1.2fr; gap:2.2rem; padding-bottom:2.6rem; border-bottom:1px solid rgba(255,255,255,.08); }
.pie h4{ font-family:var(--fuente-texto); font-weight:600; color:#fff; font-size:.82rem; letter-spacing:.12em; text-transform:uppercase; margin-bottom:1.1rem; }
.pie a{ color:#9fb4cc; font-size:.93rem; }
.pie a:hover{ color:#fff; }
.pie ul{ display:grid; gap:.6rem; }
.pie__marca p{ font-size:.93rem; margin:1rem 0 1.3rem; max-width:300px; }
.pie .logo__txt b{ color:#fff; }
.pie__redes{ display:flex; gap:.7rem; }
.pie__redes a{ width:40px; height:40px; border-radius:10px; background:rgba(255,255,255,.07); display:grid; place-items:center; transition:.25s; }
.pie__redes a:hover{ background:var(--arena); color:var(--azul-900); transform:translateY(-3px); }
.pie__redes svg{ width:19px; height:19px; }
.pie__bottom{ display:flex; flex-wrap:wrap; gap:1rem; justify-content:space-between; padding-top:1.6rem; font-size:.83rem; color:#6f86a0; }

/* ============================================================
   WHATSAPP flotante
   ============================================================ */
.wa{
  position:fixed; right:1.4rem; bottom:1.4rem; z-index:90;
  width:58px; height:58px; border-radius:50%; background:#25d366; color:#fff;
  display:grid; place-items:center; box-shadow:0 14px 36px -10px rgba(37,211,102,.7);
  transition:var(--transicion); animation:latido 2.6s infinite;
}
.wa:hover{ transform:scale(1.08); }
.wa svg{ width:30px; height:30px; }
@keyframes latido{ 0%,100%{box-shadow:0 14px 36px -10px rgba(37,211,102,.7)} 50%{box-shadow:0 14px 36px -10px rgba(37,211,102,.7),0 0 0 14px rgba(37,211,102,0)} }

/* ============================================================
   ANIMACIONES AL SCROLL
   ============================================================ */
.reveal{ opacity:0; transform:translateY(28px); transition:opacity .7s ease, transform .7s cubic-bezier(.22,.61,.36,1); }
.reveal.visible{ opacity:1; transform:none; }
.reveal[data-delay="1"]{ transition-delay:.1s; }
.reveal[data-delay="2"]{ transition-delay:.2s; }
.reveal[data-delay="3"]{ transition-delay:.3s; }
@media (prefers-reduced-motion:reduce){
  .reveal{ opacity:1; transform:none; transition:none; }
  html{ scroll-behavior:auto; }
  .wa{ animation:none; }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width:980px){
  .grid-4{ grid-template-columns:repeat(2,1fr); }
  .grid-3{ grid-template-columns:repeat(2,1fr); }
  .galeria{ grid-template-columns:repeat(2,1fr); }
  .stats{ grid-template-columns:repeat(2,1fr); gap:2rem 1rem; }
  .pie__top{ grid-template-columns:1fr 1fr; gap:2rem; }
}
@media (max-width:860px){
  .menu-btn{ display:block; }
  .nav{
    position:fixed; inset:0 0 0 auto; width:min(82vw,340px);
    flex-direction:column; align-items:stretch; justify-content:flex-start; gap:.2rem;
    background:#fff; padding:6rem 1.6rem 2rem; box-shadow:-20px 0 60px -20px rgba(11,36,71,.5);
    transform:translateX(100%); transition:transform .4s cubic-bezier(.22,.61,.36,1);
  }
  body.menu-abierto .nav{ transform:none; }
  .nav a{ color:var(--tinta) !important; padding:.9rem .6rem; border-bottom:1px solid var(--gris-borde); border-radius:0; }
  .nav a::after{ display:none; }
  .cabecera__cta .btn--solido{ display:none; }
  .cabecera.transparente .menu-btn span,
  body.menu-abierto.menu-fix .menu-btn span{ background:var(--azul); }
}
@media (max-width:760px){
  .servicio{ grid-template-columns:1fr; gap:1.8rem; }
  .servicio:nth-child(even) .servicio__media{ order:0; }
  .mv{ grid-template-columns:1fr; }
  .contacto-grid{ grid-template-columns:1fr; gap:2rem; }
  .mapa-wrap{ grid-template-columns:1fr; gap:1.8rem; }
  .form-fila{ grid-template-columns:1fr; }
}
@media (max-width:560px){
  body{ font-size:16px; }
  .grid-4,.grid-3,.grid-2,.galeria{ grid-template-columns:1fr; }
  .stats{ grid-template-columns:1fr 1fr; }
  .proceso__paso{ grid-template-columns:1fr; gap:.9rem; }
  .hero__inner{ padding-top:7.5rem; }
  .pie__top{ grid-template-columns:1fr; }
}