/* =========================================================
   CGLS² Grupo Multidisciplinario
   Concepto: piezas que encajan · una sola página
   ========================================================= */
:root {
  --marino: #1b2447;
  --marino-900: #10162e;
  --marino-600: #2a3566;
  --dorado: #b8973f;
  --dorado-claro: #d6b86a;
  --dorado-oscuro: #86692a;
  --acero: #5b8fb4;
  --gris: #8e959c;
  --cobre: #9c6b4a;
  --cobre-claro: #c99069;
  --gris-claro: #dfe1e4;
  --linea: #e3ded2;
  --marfil: #f7f5f0;
  --marfil-2: #efebe2;
  --blanco: #ffffff;
  --tinta: #1a1f33;
  --texto: #4b5163;

  --legal: var(--marino);
  --contable: var(--dorado);
  --arquitectura: var(--acero);
  --ingenieria: var(--gris);
  --comunicacion: var(--cobre);

  --f-titulo: "Marcellus", "Optima", "Candara", Georgia, serif;
  --f-texto: "Plus Jakarta Sans", system-ui, -apple-system, "Segoe UI", sans-serif;

  --barra-h: 78px;
  --radio: 2px;
  --sombra: 0 1px 2px rgba(16, 22, 46, .06), 0 12px 32px -12px rgba(16, 22, 46, .18);
  --ease: cubic-bezier(.22, .61, .36, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--barra-h) + 12px); -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--f-texto);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--texto);
  background: var(--blanco);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
button, input, select, textarea { font: inherit; color: inherit; }
h1, h2, h3, h4 { margin: 0; font-weight: 400; color: var(--tinta); }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
svg { width: 1em; height: 1em; flex-shrink: 0; }
:focus-visible { outline: 2px solid var(--dorado); outline-offset: 3px; }
[hidden] { display: none !important; }

.envoltura { width: 100%; max-width: 1220px; margin-inline: auto; padding-inline: clamp(18px, 4.5vw, 40px); }

.saltar { position: absolute; left: 12px; top: -60px; z-index: 200; background: var(--marino); color: #fff; padding: 10px 16px; text-decoration: none; }
.saltar:focus { top: 12px; }

/* ---------- tipografía ---------- */
.antetitulo {
  display: inline-flex; align-items: center; gap: 12px;
  font-size: .76rem; font-weight: 600; letter-spacing: .18em; text-transform: uppercase;
  color: var(--dorado-oscuro);
  margin-bottom: 18px;
}
.antetitulo::before { content: ""; width: 34px; height: 1px; background: currentColor; }
.antetitulo--claro { color: var(--dorado-claro); }

.titulo {
  font-family: var(--f-titulo);
  font-size: clamp(2rem, 4.2vw, 3.2rem);
  line-height: 1.12;
  color: var(--marino);
  text-wrap: balance;
}
.titulo--bloque { font-size: clamp(1.8rem, 3.2vw, 2.6rem); }
.titulo em, .portada__titulo em { font-style: normal; color: var(--dorado-oscuro); }
.titulo--claro { color: #fff; }
.titulo--claro em { color: var(--dorado-claro); }

.cabecera { max-width: 760px; margin-bottom: clamp(32px, 4.5vw, 52px); }
.cabecera__bajada { margin-top: 18px; font-size: 1.06rem; max-width: 60ch; }
.cabecera--claro .cabecera__bajada { color: rgba(255, 255, 255, .74); }
.cabecera--fila { max-width: none; display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 18px 48px; }
.cabecera--fila .cabecera__bajada { max-width: 42ch; margin-top: 0; }

/* ---------- botones ---------- */
.boton {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 52px; padding: 0 26px;
  font-weight: 600; font-size: .95rem;
  text-decoration: none; border: 1px solid transparent; border-radius: var(--radio);
  cursor: pointer; transition: background .25s var(--ease), color .25s, border-color .25s;
}
.boton svg { width: 18px; height: 18px; transition: transform .25s var(--ease); }
.boton:hover svg { transform: translateX(3px); }
.boton--dorado { background: var(--dorado); color: var(--marino-900); }
.boton--dorado:hover { background: var(--dorado-claro); }
.boton--marino { background: var(--marino); color: #fff; }
.boton--marino:hover { background: var(--marino-600); }
.boton--linea { border-color: rgba(255, 255, 255, .4); color: #fff; }
.boton--linea:hover { border-color: #fff; background: rgba(255, 255, 255, .06); }
.boton--chico { min-height: 44px; padding: 0 18px; font-size: .88rem; }
.boton--ancho { width: 100%; }

.enlace {
  display: inline-flex; align-items: center; gap: 8px;
  font-weight: 600; font-size: .9rem; color: var(--marino); text-decoration: none;
  border-bottom: 1px solid var(--dorado); padding-bottom: 3px;
}
.enlace svg { width: 16px; height: 16px; transition: transform .25s var(--ease); }
.enlace:hover svg { transform: translateX(4px); }

.punto { display: inline-block; width: 8px; height: 8px; transform: rotate(45deg); background: var(--c, var(--gris)); flex-shrink: 0; }
.punto--legal { --c: var(--legal); }
.punto--contable { --c: var(--contable); }
.punto--arquitectura { --c: var(--arquitectura); }
.punto--ingenieria { --c: var(--ingenieria); }
.punto--comunicacion { --c: var(--comunicacion); }

/* ---------- barra ---------- */
.barra {
  position: fixed; inset: 0 0 auto; z-index: 100;
  height: var(--barra-h);
  background: rgba(255, 255, 255, .96);
  backdrop-filter: saturate(1.2) blur(10px);
  -webkit-backdrop-filter: saturate(1.2) blur(10px);
  border-bottom: 1px solid transparent;
  transition: box-shadow .3s, border-color .3s;
}
.barra.con-sombra { border-color: var(--gris-claro); box-shadow: 0 8px 24px -18px rgba(16, 22, 46, .5); }
.barra__in { height: 100%; display: flex; align-items: center; gap: 28px; }
.barra__logo { flex-shrink: 0; }
.barra__logo img { height: 46px; width: auto; }
.barra__nav { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.barra__nav > a {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 8px 12px; font-size: .92rem; font-weight: 500; color: var(--tinta); text-decoration: none;
  position: relative; white-space: nowrap;
}
.barra__nav > a::after {
  content: ""; position: absolute; left: 12px; right: 12px; bottom: 2px; height: 1px;
  background: var(--dorado); transform: scaleX(0); transform-origin: left; transition: transform .3s var(--ease);
}
.barra__nav > a:hover::after, .barra__nav > a.activo::after { transform: scaleX(1); }
.barra__nav > a.activo { color: var(--marino); font-weight: 600; }
.barra__chips { display: none; }
.barra__cta-movil { display: none !important; }
.barra__acciones { display: flex; align-items: center; gap: 16px; }
.barra__acciones .boton { white-space: nowrap; }
.barra__tel { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; font-size: .9rem; color: var(--marino); text-decoration: none; white-space: nowrap; }
.barra__tel svg { width: 15px; height: 15px; color: var(--dorado); }
.barra__burger { display: none; width: 44px; height: 44px; border: 1px solid var(--gris-claro); background: #fff; border-radius: var(--radio); padding: 0 11px; cursor: pointer; }
.barra__burger span { display: block; height: 1.5px; background: var(--marino); margin: 5px 0; transition: transform .3s, opacity .3s; }
.barra__burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.barra__burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.barra__burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

@media (max-width: 1120px) { .barra__tel { display: none; } }
@media (max-width: 920px) {
  .barra__acciones .boton { display: none; }
  .barra__burger { display: block; }
  .barra__acciones { margin-left: auto; }
  .barra__nav {
    position: fixed; top: var(--barra-h); left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: #fff; padding: 10px clamp(18px, 4.5vw, 40px) 26px;
    border-bottom: 1px solid var(--gris-claro);
    box-shadow: 0 30px 40px -30px rgba(16, 22, 46, .4);
    transform: translateY(-8px); opacity: 0; visibility: hidden;
    transition: transform .3s var(--ease), opacity .3s, visibility .3s;
    max-height: calc(100svh - var(--barra-h)); overflow-y: auto;
  }
  .barra__nav.abierto { transform: none; opacity: 1; visibility: visible; }
  .barra__nav > a { padding: 15px 2px; border-bottom: 1px solid var(--gris-claro); font-size: 1rem; }
  .barra__nav > a::after { display: none; }
  .barra__chips { display: flex; flex-wrap: wrap; gap: 8px; padding: 18px 0 4px; }
  .barra__chips a {
    display: inline-flex; align-items: center; gap: 8px; text-decoration: none;
    font-size: .86rem; font-weight: 500; color: var(--tinta);
    border: 1px solid var(--gris-claro); padding: 8px 14px; border-radius: 20px;
  }
  .barra__cta-movil { display: flex !important; margin-top: 18px; color: var(--marino-900) !important; }
}
@media (max-width: 480px) {
  :root { --barra-h: 68px; }
  .barra__logo img { height: 38px; }
}

/* ---------- animaciones de entrada ---------- */
.js .entra { opacity: 0; transform: translateY(18px); animation: entra .9s var(--ease) forwards; animation-delay: var(--d, 0s); }
@keyframes entra { to { opacity: 1; transform: none; } }
.js .aparece { opacity: 0; transform: translateY(26px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.js .aparece.visto { opacity: 1; transform: none; }

/* =========================================================
   PORTADA
   ========================================================= */
.portada {
  position: relative; isolation: isolate;
  min-height: 100svh;
  padding-top: calc(var(--barra-h) + clamp(44px, 8vh, 100px));
  background: var(--marino-900);
  color: #fff;
  display: flex; flex-direction: column; justify-content: space-between;
  overflow: hidden;
}
.portada__imagen { position: absolute; inset: 0; z-index: -3; }
.portada__imagen img {
  width: 100%; height: 100%; object-fit: cover; object-position: 70% 50%;
  transform-origin: 75% 50%;
  animation: respira 26s ease-in-out infinite alternate;
  will-change: transform;
}
@keyframes respira {
  0% { transform: scale(1.04) translate3d(var(--px, 0px), var(--py, 0px), 0); }
  100% { transform: scale(1.14) translate3d(calc(-1.5% + var(--px, 0px)), calc(1% + var(--py, 0px)), 0); }
}
.portada__velo {
  position: absolute; inset: 0; z-index: -2;
  background:
    linear-gradient(90deg, rgba(16, 22, 46, .92) 0%, rgba(16, 22, 46, .72) 38%, rgba(16, 22, 46, .08) 70%, rgba(16, 22, 46, 0) 100%),
    linear-gradient(0deg, rgba(10, 14, 30, .9) 0%, rgba(10, 14, 30, 0) 34%);
}
.portada__destello {
  position: absolute; inset: -20% -40%; z-index: -1; pointer-events: none;
  background: linear-gradient(115deg, transparent 42%, rgba(214, 184, 106, .09) 50%, transparent 58%);
  animation: destello 11s ease-in-out infinite;
}
@keyframes destello { 0% { transform: translateX(-35%); } 60%, 100% { transform: translateX(35%); } }
.portada__lineas { position: absolute; inset: 0; z-index: -1; pointer-events: none; }
.portada__lineas i {
  position: absolute; height: 1px; width: 46vw;
  background: linear-gradient(90deg, transparent, rgba(214, 184, 106, .55), transparent);
  transform: rotate(-45deg); transform-origin: left center;
  animation: filete 9s ease-in-out infinite; opacity: 0;
}
.portada__lineas i:nth-child(1) { left: 44%; top: 96%; animation-delay: .8s; }
.portada__lineas i:nth-child(2) { left: 58%; top: 104%; animation-delay: 3.8s; }
.portada__lineas i:nth-child(3) { left: 30%; top: 110%; animation-delay: 6.4s; width: 34vw; }
@keyframes filete {
  0% { opacity: 0; clip-path: inset(0 100% 0 0); }
  20% { opacity: 1; clip-path: inset(0 0 0 0); }
  60% { opacity: .5; }
  100% { opacity: 0; clip-path: inset(0 0 0 100%); }
}

.portada__titulo {
  font-family: var(--f-titulo);
  font-size: clamp(2.6rem, 6.4vw, 5.4rem);
  line-height: 1.04; color: #fff; max-width: 12.5ch; text-wrap: balance;
}
.portada__titulo em { color: var(--dorado-claro); display: block; }
.portada__bajada { margin-top: 26px; max-width: 52ch; font-size: clamp(1.02rem, 1.4vw, 1.16rem); color: rgba(255, 255, 255, .8); }
.portada__cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; }

.tira {
  display: grid; grid-template-columns: repeat(5, 1fr);
  margin-top: clamp(48px, 8vh, 96px);
  padding-bottom: clamp(24px, 4vh, 40px);
  gap: 1px;
}
.tira__item {
  position: relative; display: grid; grid-template-columns: auto 1fr auto; align-items: baseline; gap: 4px 12px;
  padding: 20px 18px;
  text-decoration: none; color: #fff;
  background: rgba(16, 22, 46, .55);
  backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
  border-top: 2px solid var(--c);
  transition: background .35s var(--ease);
  opacity: 0; transform: translateY(20px);
  animation: entra .9s var(--ease) forwards;
}
.tira__item:nth-child(1) { animation-delay: .75s; }
.tira__item:nth-child(2) { animation-delay: .85s; }
.tira__item:nth-child(3) { animation-delay: .95s; }
.tira__item:nth-child(4) { animation-delay: 1.05s; }
.tira__item:nth-child(5) { animation-delay: 1.15s; }
.tira__item--legal { --c: #7d8cc9; }
.tira__item--contable { --c: var(--dorado); }
.tira__item--arquitectura { --c: var(--acero); }
.tira__item--ingenieria { --c: var(--gris); }
.tira__item--comunicacion { --c: var(--cobre-claro); }
.tira__item:hover { background: rgba(27, 36, 71, .9); }
.tira__n { font-family: var(--f-titulo); color: var(--dorado-claro); font-size: .9rem; }
.tira__nombre { font-family: var(--f-titulo); font-size: 1.28rem; line-height: 1.2; }
.tira__flecha { width: 17px; height: 17px; color: var(--dorado-claro); transition: transform .3s var(--ease); align-self: center; }
.tira__item:hover .tira__flecha { transform: translateX(4px); }
.tira__serv { grid-column: 2 / 4; font-size: .76rem; color: rgba(255, 255, 255, .62); line-height: 1.5; }

@media (max-width: 1100px) { .tira { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 760px) {
  .tira { grid-template-columns: repeat(2, 1fr); }
  .portada__velo { background: linear-gradient(90deg, rgba(16, 22, 46, .9), rgba(16, 22, 46, .55)), linear-gradient(0deg, rgba(10, 14, 30, .9), rgba(10, 14, 30, 0) 40%); }
}
@media (max-width: 520px) {
  .tira { grid-template-columns: 1fr; }
  .tira__item { padding: 14px 16px; }
  .tira__serv { display: none; }
  .portada__imagen img { object-position: 82% 50%; }
}

/* =========================================================
   SECCIONES
   ========================================================= */
.seccion { padding-block: clamp(68px, 9vw, 120px); }
.seccion--marfil {
  background:
    radial-gradient(ellipse 75% 70% at 45% 40%, rgba(247, 245, 240, .97) 35%, rgba(247, 245, 240, .8) 75%, rgba(247, 245, 240, .5) 100%),
    var(--marfil) url("../img/fondo-marfil.webp") center top / cover no-repeat;
}
@media (max-width: 900px) {
  .seccion--marfil {
    background:
      linear-gradient(rgba(247, 245, 240, .9), rgba(247, 245, 240, .9)),
      var(--marfil) url("../img/fondo-marfil-900.webp") center top / 180% auto no-repeat;
  }
}

/* ---------- índice de áreas ---------- */
.indice { display: flex; flex-wrap: wrap; gap: 10px; }
.indice__chip {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 11px 20px 11px 16px; text-decoration: none;
  background: #fff; border: 1px solid var(--linea); border-radius: 40px;
  font-size: .94rem; font-weight: 500; color: var(--tinta);
  transition: border-color .25s, transform .25s var(--ease), box-shadow .3s;
}
.indice__chip b { font-family: var(--f-titulo); font-weight: 400; color: var(--dorado-oscuro); font-size: .86rem; }
.indice__chip:hover { border-color: var(--dorado); transform: translateY(-2px); box-shadow: var(--sombra); }

/* ---------- bloques de área ---------- */
.areas { padding-bottom: clamp(40px, 6vw, 70px); }
.bloque__in {
  display: grid; grid-template-columns: .9fr 1fr; gap: clamp(28px, 5vw, 72px);
  align-items: center;
  padding-block: clamp(44px, 6vw, 80px);
  border-top: 1px solid var(--linea);
}
.bloque:first-of-type .bloque__in { border-top: 0; padding-top: clamp(36px, 5vw, 64px); }
.bloque--par .bloque__foto { order: 2; }
.bloque__foto { position: relative; margin: 0; overflow: hidden; align-self: stretch; min-height: 100%; background: var(--marino); }
@media (min-width: 901px) { .bloque__foto { height: 100%; min-height: 440px; } }
.bloque__foto img { width: 100%; height: 100%; object-fit: cover; filter: saturate(.86); transition: transform 1.2s var(--ease); }
.bloque__in:hover .bloque__foto img { transform: scale(1.04); }
.bloque__foto::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(16, 22, 46, 0) 50%, rgba(16, 22, 46, .66)); }
.bloque__num {
  position: absolute; left: 20px; bottom: 12px; z-index: 1;
  font-family: var(--f-titulo); font-size: 2.4rem; color: #fff; line-height: 1;
}
.bloque__num::after { content: ""; display: block; width: 34px; height: 2px; background: var(--c, var(--dorado)); margin-top: 8px; }
.bloque--legal { --c: #7d8cc9; }
.bloque--contable { --c: var(--dorado); }
.bloque--arquitectura { --c: var(--acero); }
.bloque--ingenieria { --c: var(--gris); }
.bloque--comunicacion { --c: var(--cobre-claro); }
.bloque__lead { margin-top: 16px; font-size: 1.04rem; max-width: 56ch; }

.servicios-lista { margin-top: 28px; }
.servicios-lista li {
  display: grid; grid-template-columns: 190px 1fr; gap: 4px 22px;
  padding: 13px 0; border-top: 1px solid var(--linea);
}
.servicios-lista li:last-child { border-bottom: 1px solid var(--linea); }
.servicios-lista b { font-weight: 600; color: var(--marino); display: flex; align-items: baseline; gap: 10px; }
.servicios-lista b::before { content: ""; width: 7px; height: 7px; transform: translateY(-2px) rotate(45deg); background: var(--c, var(--dorado)); flex-shrink: 0; }
.servicios-lista span { font-size: .95rem; }

.bloque__pie { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 18px 24px; margin-top: 26px; }
.bloque__socios { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 18px; }
.bloque__socios > span:not(.chip) { font-size: .7rem; letter-spacing: .14em; text-transform: uppercase; color: var(--gris); font-weight: 600; width: 100%; }
.chip { display: inline-flex; align-items: center; gap: 10px; font-weight: 600; color: var(--marino); font-size: .95rem; }
.chip .iniciales { width: 38px; }
.chip .iniciales span { font-size: .72rem; }

@media (max-width: 900px) {
  .bloque__in { grid-template-columns: 1fr; gap: 26px; }
  .bloque--par .bloque__foto { order: 0; }
  .bloque__foto { aspect-ratio: 16 / 10; min-height: 0; }
}
@media (max-width: 560px) {
  .servicios-lista li { grid-template-columns: 1fr; gap: 2px; }
  .servicios-lista span { padding-left: 17px; }
}

/* ---------- proyectos (arquitectura) ---------- */
.proyectos { max-width: 1220px; margin-inline: auto; padding-inline: clamp(18px, 4.5vw, 40px); padding-bottom: clamp(24px, 4vw, 48px); }
.proyectos__cabeza { display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px 20px; margin-bottom: 18px; }
.proyectos__cabeza h4 { font-family: var(--f-titulo); font-size: 1.5rem; color: var(--marino); }
.proyectos__cabeza p { font-size: .93rem; color: var(--gris); }
.galeria { display: grid; grid-template-columns: repeat(auto-fill, minmax(215px, 1fr)); gap: 10px; }
.galeria__item {
  position: relative; padding: 0; border: 0; cursor: zoom-in; overflow: hidden;
  aspect-ratio: 4 / 3; background: var(--marfil-2); border-radius: var(--radio);
}
.galeria__item img { width: 100%; height: 100%; object-fit: cover; transition: transform .9s var(--ease); }
.galeria__item:hover img { transform: scale(1.05); }
.galeria__lupa {
  position: absolute; right: 10px; bottom: 10px; width: 34px; height: 34px;
  display: grid; place-items: center; border-radius: 50%;
  background: rgba(16, 22, 46, .72); color: #fff;
  opacity: 0; transform: translateY(6px); transition: opacity .3s, transform .3s var(--ease);
}
.galeria__lupa svg { width: 17px; height: 17px; }
.galeria__item:hover .galeria__lupa, .galeria__item:focus-visible .galeria__lupa,
.plano__img:hover .galeria__lupa, .plano__img:focus-visible .galeria__lupa { opacity: 1; transform: none; }

.plano { display: grid; grid-template-columns: .8fr 1fr; gap: clamp(24px, 4vw, 56px); align-items: center; margin-top: 34px; padding: clamp(22px, 3vw, 38px); background: #fff; border: 1px solid var(--linea); }
.plano__img { position: relative; padding: 0; border: 0; background: #fff; cursor: zoom-in; }
.plano__img img { width: auto; max-height: 520px; margin-inline: auto; }
.plano__txt h4 { font-family: var(--f-titulo); font-size: clamp(1.4rem, 2.2vw, 1.9rem); color: var(--marino); margin-bottom: 12px; }
.plano__txt p { font-size: .99rem; margin-bottom: 18px; max-width: 48ch; }
@media (max-width: 760px) { .plano { grid-template-columns: 1fr; } }

/* ---------- visor de imágenes ---------- */
.visor {
  position: fixed; inset: 0; z-index: 200;
  display: grid; grid-template-columns: 64px 1fr 64px; align-items: center;
  background: rgba(10, 14, 30, .95);
  animation: visorEntra .25s var(--ease);
}
@keyframes visorEntra { from { opacity: 0; } to { opacity: 1; } }
.visor__fig { margin: 0; display: grid; justify-items: center; gap: 14px; padding: 20px 0; }
.visor__fig img { max-width: min(1200px, 92vw); max-height: 80svh; width: auto; object-fit: contain; background: #fff; }
.visor__fig figcaption { color: rgba(255, 255, 255, .78); font-size: .9rem; letter-spacing: .04em; }
.visor__cerrar, .visor__nav {
  background: none; border: 0; color: #fff; cursor: pointer; display: grid; place-items: center;
  width: 48px; height: 48px; border-radius: 50%; transition: background .25s;
}
.visor__cerrar:hover, .visor__nav:hover { background: rgba(255, 255, 255, .12); }
.visor__cerrar { position: absolute; top: 16px; right: 16px; z-index: 2; }
.visor__cerrar svg, .visor__nav svg { width: 24px; height: 24px; }
.visor__nav { justify-self: center; }
.visor__nav--prev svg { transform: rotate(180deg); }
@media (max-width: 640px) {
  .visor { grid-template-columns: 1fr; grid-template-rows: 1fr auto; }
  .visor__fig { grid-row: 1; }
  .visor__nav { grid-row: 2; display: inline-grid; }
  .visor__nav--prev { justify-self: start; margin-left: 18px; }
  .visor__nav--next { justify-self: end; margin-right: 18px; margin-top: -48px; }
}

/* ---------- un solo equipo ---------- */
.equipo-uno {
  position: relative; isolation: isolate; overflow: hidden;
  background: var(--marino-900); color: #fff;
  padding-block: clamp(76px, 10vw, 136px);
}
.equipo-uno__fondo { position: absolute; inset: 0; z-index: -1; }
.equipo-uno__fondo img { width: 100%; height: 100%; object-fit: cover; opacity: .9; }
.equipo-uno__fondo::after { content: ""; position: absolute; inset: 0; background: radial-gradient(ellipse at 30% 40%, rgba(16, 22, 46, .35), rgba(16, 22, 46, .85)); }

.casos { border: 1px solid rgba(214, 184, 106, .22); background: rgba(16, 22, 46, .55); backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px); }
.casos__tabs { display: grid; grid-template-columns: repeat(3, 1fr); border-bottom: 1px solid rgba(214, 184, 106, .22); }
.casos__tabs button {
  background: none; border: 0; cursor: pointer; text-align: left;
  padding: 20px 24px; color: rgba(255, 255, 255, .62); font-weight: 600; font-size: .95rem;
  position: relative; transition: color .25s, background .25s;
}
.casos__tabs button + button { border-left: 1px solid rgba(214, 184, 106, .22); }
.casos__tabs button::after { content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 2px; background: var(--dorado); transform: scaleX(0); transition: transform .35s var(--ease); }
.casos__tabs button[aria-selected="true"] { color: #fff; background: rgba(255, 255, 255, .04); }
.casos__tabs button[aria-selected="true"]::after { transform: scaleX(1); }
.casos__tabs button:hover { color: #fff; }
.casos__cuerpo { display: grid; grid-template-columns: minmax(200px, 300px) 1fr; gap: clamp(28px, 5vw, 72px); align-items: center; padding: clamp(28px, 4.5vw, 56px); }
.casos__rombo { display: flex; flex-direction: column; align-items: center; gap: 18px; }
.casos__contador { text-align: center; font-size: .82rem; letter-spacing: .06em; color: rgba(255, 255, 255, .6); }
.casos__contador b { font-family: var(--f-titulo); font-weight: 400; font-size: 1.5rem; color: var(--dorado-claro); }
.caso__intro { font-family: var(--f-titulo); font-size: clamp(1.3rem, 2.2vw, 1.7rem); line-height: 1.3; color: #fff; margin-bottom: 24px; }
.caso__pasos { display: grid; gap: 1px; background: rgba(255, 255, 255, .08); }
.caso__pasos li {
  display: grid; grid-template-columns: 150px 1fr; gap: 16px; align-items: baseline;
  padding: 15px 18px; background: var(--marino-900); color: rgba(255, 255, 255, .78); font-size: .95rem;
  border-left: 3px solid var(--c);
  animation: paso .6s var(--ease) both;
}
.caso__pasos li:nth-child(2) { animation-delay: .07s; }
.caso__pasos li:nth-child(3) { animation-delay: .14s; }
.caso__pasos li:nth-child(4) { animation-delay: .21s; }
.caso__pasos li:nth-child(5) { animation-delay: .28s; }
@keyframes paso { from { opacity: 0; transform: translateX(-10px); } to { opacity: 1; transform: none; } }
.caso__pasos b { color: #fff; font-weight: 600; }
.paso--legal { --c: #7d8cc9; }
.paso--contable { --c: var(--dorado); }
.paso--arquitectura { --c: var(--acero); }
.paso--ingenieria { --c: var(--gris); }
.paso--comunicacion { --c: var(--cobre-claro); }

@media (max-width: 860px) {
  .casos__tabs { grid-template-columns: 1fr; }
  .casos__tabs button + button { border-left: 0; border-top: 1px solid rgba(214, 184, 106, .22); }
  .casos__tabs button { padding: 15px 20px; }
  .casos__tabs button::after { top: 0; bottom: 0; right: auto; width: 2px; height: auto; transform: scaleY(0); }
  .casos__tabs button[aria-selected="true"]::after { transform: scaleY(1); }
  .casos__cuerpo { grid-template-columns: 1fr; }
  .casos__rombo { flex-direction: row; justify-content: center; }
  .casos__rombo .rombo { width: 130px; }
  .casos__contador { text-align: left; }
}
@media (max-width: 520px) { .caso__pasos li { grid-template-columns: 1fr; gap: 2px; } }

/* contraste: por separado / con CGLS² */
.contraste {
  margin-top: clamp(40px, 5.5vw, 68px);
  display: grid; grid-template-columns: 1.1fr 1fr 1fr; gap: 1px;
  background: rgba(214, 184, 106, .22);
  border: 1px solid rgba(214, 184, 106, .22);
}
.contraste__foto { margin: 0; min-height: 280px; position: relative; overflow: hidden; }
.contraste__foto img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.contraste__col { background: var(--marino-900); padding: clamp(24px, 3.5vw, 40px); }
.contraste__col--con { background: var(--marino); }
.contraste__tit { font-family: var(--f-titulo); font-size: 1.45rem; color: #fff; margin-bottom: 18px; }
.contraste__col--con .contraste__tit { color: var(--dorado-claro); }
.contraste__col ul { display: grid; gap: 12px; }
.contraste__col li { display: flex; gap: 12px; align-items: baseline; color: rgba(255, 255, 255, .76); font-size: .96rem; }
.contraste__col--antes li::before { content: ""; width: 10px; height: 1px; background: rgba(255, 255, 255, .4); flex-shrink: 0; transform: translateY(-4px); }
.contraste__col--con li::before { content: ""; width: 7px; height: 7px; background: var(--dorado); transform: translateY(-2px) rotate(45deg); flex-shrink: 0; }
@media (max-width: 900px) {
  .contraste { grid-template-columns: 1fr 1fr; }
  .contraste__foto { grid-column: 1 / -1; min-height: 240px; }
}
@media (max-width: 560px) { .contraste { grid-template-columns: 1fr; } }

/* rombo de piezas */
.rombo { display: block; width: 100%; height: auto; overflow: visible; }
.pieza { stroke-width: 1; transition: fill .5s var(--ease), opacity .5s var(--ease), transform .6s var(--ease), stroke .5s; transform-box: fill-box; transform-origin: center; }
.pieza--legal { --c: #7d8cc9; }
.pieza--contable { --c: var(--dorado); }
.pieza--arquitectura { --c: var(--acero); }
.pieza--ingenieria { --c: var(--gris); }
.pieza--comunicacion { --c: var(--cobre-claro); }
.rombo--casos .pieza, .rombo--mini .pieza { fill: rgba(255, 255, 255, .03); stroke: rgba(214, 184, 106, .35); }
.rombo--casos .pieza.on, .rombo--mini .pieza.activa { fill: var(--c); stroke: var(--c); }
.js .rombo--casos .pieza { transform: scale(.88); }
.js .rombo--casos .pieza.on { transform: scale(1); }
.rombo--casos { max-width: 270px; }

/* ---------- socios ---------- */
.socios { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.socio {
  position: relative; display: grid; grid-template-columns: 92px 1fr; gap: 20px; align-items: center;
  padding: 24px 24px 24px 20px; background: #fff;
  border: 1px solid var(--gris-claro);
  transition: border-color .3s, box-shadow .4s var(--ease);
}
.socio:hover { border-color: var(--dorado); box-shadow: var(--sombra); }
.socio:nth-child(3n+2) { transition-delay: .06s; }
.socio:nth-child(3n) { transition-delay: .12s; }
.iniciales { position: relative; width: 92px; aspect-ratio: 1; display: grid; place-items: center; }
.iniciales svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.iniciales__fondo { fill: var(--marino); }
.iniciales__filete { fill: none; stroke: var(--dorado); stroke-width: 1.2; }
.iniciales span { position: relative; font-family: var(--f-titulo); font-size: 1.45rem; color: #fff; letter-spacing: .04em; }
.socio[data-area="arquitectura"] .iniciales__fondo { fill: #2b4a66; }
.socio[data-area="ingenieria"] .iniciales__fondo { fill: #3b414a; }
.socio[data-area="comunicacion"] .iniciales__fondo { fill: #5c3f2b; }
.socio[data-area="apoyo"] .iniciales__fondo { fill: #6c7279; }
.socio h3 { font-family: var(--f-titulo); font-size: 1.32rem; color: var(--marino); line-height: 1.2; }
.socio__area { display: flex; align-items: center; gap: 8px; margin-top: 6px; font-size: .74rem; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--dorado-oscuro); }
.socio__esp { margin-top: 8px; font-size: .9rem; line-height: 1.5; }
.socios--apoyo { margin-top: 18px; grid-template-columns: repeat(3, 1fr); }
.socio--apoyo { background: var(--marfil); border-style: dashed; }
.socio--apoyo .socio__area { color: var(--gris); }
@media (max-width: 1060px) { .socios, .socios--apoyo { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) {
  .socios, .socios--apoyo { grid-template-columns: 1fr; }
  .socio { grid-template-columns: 74px 1fr; }
  .iniciales { width: 74px; }
  .iniciales span { font-size: 1.2rem; }
}

/* ---------- consulta ---------- */
.consulta { position: relative; isolation: isolate; background: var(--marino); color: #fff; overflow: hidden; }
.consulta__fondo { position: absolute; inset: 0 55% 0 0; z-index: -1; }
.consulta__fondo img { width: 100%; height: 100%; object-fit: cover; }
.consulta__fondo::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(16, 22, 46, .9), rgba(27, 36, 71, .82) 70%, var(--marino)); }
.consulta__in { display: grid; grid-template-columns: 1fr 1.05fr; gap: clamp(36px, 6vw, 88px); padding-block: clamp(72px, 9vw, 124px); align-items: start; }
.consulta__bajada { margin-top: 18px; color: rgba(255, 255, 255, .76); max-width: 44ch; font-size: 1.04rem; }
.datos { margin-top: 36px; display: grid; border-top: 1px solid rgba(255, 255, 255, .14); }
.datos li { display: flex; gap: 16px; align-items: center; padding: 14px 0; border-bottom: 1px solid rgba(255, 255, 255, .14); }
.datos li > svg { width: 20px; height: 20px; color: var(--dorado-claro); }
.datos span { display: block; font-size: .7rem; letter-spacing: .14em; text-transform: uppercase; color: rgba(255, 255, 255, .5); font-weight: 600; }
.datos a, .datos b { color: #fff; font-weight: 600; text-decoration: none; }
.datos a:hover { color: var(--dorado-claro); }

.formulario { background: #fff; color: var(--texto); padding: clamp(24px, 3.6vw, 44px); box-shadow: 0 40px 80px -40px rgba(0, 0, 0, .6); border-top: 3px solid var(--dorado); }
.formulario__cabeza { display: grid; grid-template-columns: 62px 1fr; gap: 18px; align-items: center; margin-bottom: 26px; padding-bottom: 22px; border-bottom: 1px solid var(--gris-claro); }
.rombo--form .pieza { fill: var(--marfil-2); stroke: #fff; stroke-width: 3; }
.rombo--form .pieza.on { fill: var(--c); }
.rombo--form .pieza--legal { --c: var(--marino); }
.rombo--form .pieza--comunicacion { --c: var(--cobre); }
.formulario__titulo { font-family: var(--f-titulo); font-size: 1.5rem; color: var(--marino); line-height: 1.2; }
.formulario__nota { font-size: .88rem; margin-top: 4px; }
.formulario__nota b { color: var(--marino); font-weight: 600; }
.campo { margin-bottom: 16px; }
.campo--doble { display: grid; grid-template-columns: 1.5fr 1fr; gap: 14px; }
.campo label { display: grid; gap: 7px; font-size: .78rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--tinta); }
.campo input, .campo select, .campo textarea {
  width: 100%; min-height: 50px; padding: 12px 14px;
  border: 1px solid #cfd3d9; border-radius: var(--radio); background: #fff;
  font-size: 1rem; letter-spacing: 0; text-transform: none; font-weight: 400; color: var(--tinta);
  transition: border-color .2s, box-shadow .2s;
}
.campo select { appearance: none; -webkit-appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='m6 9 6 6 6-6' fill='none' stroke='%23b8973f' stroke-width='2'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 12px center; background-size: 18px; padding-right: 40px; }
.campo textarea { resize: vertical; min-height: 118px; }
.campo input:focus, .campo select:focus, .campo textarea:focus { outline: none; border-color: var(--dorado); box-shadow: 0 0 0 3px rgba(184, 151, 63, .18); }
.campo .invalido { border-color: #b4452f; }
.formulario__error { color: #a13d28; font-size: .88rem; margin-bottom: 12px; }
.formulario .boton svg { width: 20px; height: 20px; }
.formulario .boton:hover svg { transform: none; }
.formulario__pie { margin-top: 14px; font-size: .82rem; color: var(--gris); }
@media (max-width: 900px) {
  .consulta__in { grid-template-columns: 1fr; }
  .consulta__fondo { inset: 0 0 50% 0; }
  .consulta__fondo::after { background: linear-gradient(180deg, rgba(16, 22, 46, .82), var(--marino)); }
}
@media (max-width: 480px) { .campo--doble { grid-template-columns: 1fr; } }

/* ---------- pie ---------- */
.pie { background: var(--marfil); border-top: 1px solid var(--marfil-2); }
.pie__in { display: grid; grid-template-columns: 1.6fr repeat(3, 1fr); gap: 36px; padding-block: 64px 44px; }
.pie__marca img { width: min(320px, 100%); }
.pie__marca p { margin-top: 18px; font-family: var(--f-titulo); color: var(--marino); font-size: 1.15rem; }
.pie__tit { font-size: .72rem; letter-spacing: .16em; text-transform: uppercase; font-weight: 700; color: var(--dorado-oscuro); margin-bottom: 14px; }
.pie__col ul { display: grid; gap: 8px; font-size: .92rem; }
.pie__col a { text-decoration: none; color: var(--tinta); }
.pie__col a:hover { color: var(--dorado-oscuro); }
.pie__base { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 24px; padding-block: 20px 26px; border-top: 1px solid var(--linea); font-size: .82rem; color: var(--gris); }
.pie__base a { color: var(--marino); font-weight: 600; text-decoration: none; border-bottom: 1px solid var(--dorado); }
@media (max-width: 860px) { .pie__in { grid-template-columns: 1fr 1fr; } .pie__marca { grid-column: 1 / -1; } }
@media (max-width: 420px) { .pie__in { grid-template-columns: 1fr; } }

/* WhatsApp flotante */
.wa-flotante {
  position: fixed; right: 18px; bottom: 18px; z-index: 90;
  display: flex; align-items: center; gap: 10px;
  padding: 0 20px 0 14px; height: 54px; border-radius: 28px;
  background: var(--marino); color: #fff; text-decoration: none;
  box-shadow: 0 16px 34px -12px rgba(16, 22, 46, .7);
  border: 1px solid rgba(214, 184, 106, .5);
  transform: translateY(90px); transition: transform .5s var(--ease);
}
.wa-flotante.visible { transform: none; }
.wa-flotante svg { width: 28px; height: 28px; color: #25d366; }
.wa-flotante span { font-size: .78rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--dorado-claro); }
@media (max-width: 640px) {
  .wa-flotante { width: 54px; padding: 0; justify-content: center; right: 14px; bottom: 14px; }
  .wa-flotante span { display: none; }
}

/* ---------- movimiento reducido ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
  .portada__destello, .portada__lineas { display: none; }
  .js .aparece { opacity: 1; transform: none; }
}