/* Web provisoria de Esencial Arquitectura (esencialarq.com).
   Lenguaje visual del portafolio: verde oliva, blanco cálido, ecru y los «:» de la marca.
   Fuentes libres (OFL): Bodoni Moda para títulos y Cormorant Garamond para el texto. */

@font-face { font-family: "Bodoni Moda"; src: url("fuentes/bodoni-moda.woff2") format("woff2"); font-weight: 400 900; font-style: normal; font-display: swap; }
@font-face { font-family: "Cormorant Garamond"; src: url("fuentes/cormorant-garamond-300-normal.woff2") format("woff2"); font-weight: 300; font-display: swap; }
@font-face { font-family: "Cormorant Garamond"; src: url("fuentes/cormorant-garamond-400-normal.woff2") format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Cormorant Garamond"; src: url("fuentes/cormorant-garamond-400-italic.woff2") format("woff2"); font-weight: 400; font-style: italic; font-display: swap; }
@font-face { font-family: "Cormorant Garamond"; src: url("fuentes/cormorant-garamond-500-normal.woff2") format("woff2"); font-weight: 500; font-display: swap; }
@font-face { font-family: "Cormorant Garamond"; src: url("fuentes/cormorant-garamond-600-normal.woff2") format("woff2"); font-weight: 600; font-display: swap; }

:root {
  --oliva: #475045;
  --oliva-hondo: #3A4138;
  --oliva-tarjeta: #545A4C;
  --blanco: #FFFFFF;
  --hueso: #FBF9F4;
  --alabastro: #F3F0E8;
  --crema: #FAF1E4;
  --ecru: #CDAB78;
  --ecru-claro: #DCC197;
  --ecru-texto: #8A6B3D;
  --ecru-borde: #E6D3B5;
  --tinta: #2B2F29;
  --texto: #4A4D45;
  --texto-suave: #6A6C63;
  --sobre-oliva: #F3F0E8;
  --sobre-oliva-suave: #D3D2C6;
  --linea: #E4DED2;

  --titulos: "Bodoni Moda", "Didot", "Bodoni 72", Georgia, serif;
  --texto-f: "Cormorant Garamond", "Garamond", Georgia, serif;

  --ancho: 1200px;
  --gutter: clamp(20px, 5vw, 56px);
  --cab-alto: 76px;
  /* Margen lateral que alinea la portada con la cabecera en pantallas anchas */
  --borde-portada: max(var(--gutter), calc((100vw - 1360px) / 2));
  --curva: cubic-bezier(.22, .61, .36, 1);
  --curva-suave: cubic-bezier(.65, 0, .35, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 64px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--hueso);
  color: var(--texto);
  font-family: var(--texto-f);
  font-size: clamp(18px, 1.05vw + 12px, 21px);
  line-height: 1.6;
  font-weight: 500;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
body.menu-abierto { overflow: hidden; }
img { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3 { font-family: var(--titulos); font-weight: 400; color: var(--oliva); margin: 0; line-height: 1.08; font-optical-sizing: auto; }
p { margin: 0 0 1em; }
ul, ol, dl { margin: 0; padding: 0; list-style: none; }
::selection { background: var(--ecru); color: var(--tinta); }
:focus-visible { outline: 2px solid var(--ecru); outline-offset: 3px; }

.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
.ico { width: 1.15em; height: 1.15em; flex: none; }
.contenedor { width: 100%; max-width: calc(var(--ancho) + 2 * var(--gutter)); margin: 0 auto; padding: 0 var(--gutter); }
.saltar { position: fixed; left: 12px; top: -60px; z-index: 100; background: var(--tinta); color: var(--blanco); padding: 10px 16px; text-decoration: none; }
.saltar:focus { top: 12px; }

/* ── Recursos de marca ─────────────────────────────── */
.etiqueta {
  font-family: var(--titulos);
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--ecru-texto);
  margin: 0 0 14px;
  line-height: 1.5;
}
.oscura .etiqueta, .portada .etiqueta { color: var(--ecru-claro); }

/* Título con los «:» en ecru y la raya corta debajo, como en el portafolio */
.titulo {
  position: relative;
  font-size: clamp(38px, 4.2vw + 12px, 68px);
  text-transform: uppercase;
  letter-spacing: .02em;
  padding-left: .5em;
  padding-bottom: 22px;
  margin-bottom: 28px;
}
.titulo::before {
  content: "";
  position: absolute;
  left: 0; top: .28em;
  width: .17em; height: .17em;
  border-radius: 50%;
  background: var(--ecru);
  box-shadow: 0 .32em 0 var(--ecru);
}
.titulo::after {
  content: "";
  position: absolute;
  left: .5em; bottom: 0;
  width: 64px; height: 1.5px;
  background: var(--ecru);
  transform-origin: left;
}
.oscura .titulo, .oscura h3 { color: var(--sobre-oliva); }

/* Esquinas en «L» del manual de marca */
.esquinas { position: relative; }
.esquinas::before, .esquinas::after {
  content: "";
  position: absolute;
  width: 46px; height: 46px;
  border: 1px solid var(--ecru);
  z-index: 2;
  pointer-events: none;
}
.esquinas::before { top: -12px; left: -12px; border-right: 0; border-bottom: 0; }
.esquinas::after { bottom: -12px; right: -12px; border-left: 0; border-top: 0; }

.pildoras { display: flex; flex-wrap: wrap; gap: 8px; }
.pildoras li {
  border: 1px solid var(--ecru);
  border-radius: 999px;
  padding: 3px 14px 2px;
  font-size: 15px;
  font-weight: 600;
  color: var(--oliva);
  background: transparent;
  transition: background .3s, color .3s;
}
.oscura .pildoras li { color: var(--sobre-oliva); border-color: rgba(205, 171, 120, .7); }

/* ── Botones ─────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 48px;
  padding: 12px 24px 11px;
  border-radius: 999px;
  font-family: var(--titulos);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: .14em;
  text-transform: uppercase;
  text-decoration: none;
  line-height: 1.2;
  border: 1px solid transparent;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  isolation: isolate;
  transition: color .4s var(--curva), border-color .4s, transform .4s var(--curva);
}
.btn::before {
  content: "";
  position: absolute; inset: 0;
  z-index: -1;
  transform: translateY(101%);
  transition: transform .5s var(--curva);
  border-radius: inherit;
}
.btn:hover::before, .btn:focus-visible::before { transform: translateY(0); }
.btn-ecru { background: var(--ecru); color: var(--tinta); }
.btn-ecru::before { background: var(--alabastro); }
.btn-borde { border-color: rgba(205, 171, 120, .8); color: var(--sobre-oliva); }
.btn-borde::before { background: var(--ecru); }
.btn-borde:hover, .btn-borde:focus-visible { color: var(--tinta); }
.btn-grande { min-height: 58px; padding: 16px 34px 15px; font-size: 15px; }

.enlace-flecha {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--titulos); font-size: 13px; font-weight: 500; letter-spacing: .14em; text-transform: uppercase;
  text-decoration: none; color: var(--sobre-oliva);
  padding: 12px 2px;
  background: linear-gradient(var(--ecru), var(--ecru)) left calc(100% - 8px) / 0 1px no-repeat;
  transition: background-size .5s var(--curva);
}
.enlace-flecha .ico { transition: transform .4s var(--curva); }
.enlace-flecha:hover { background-size: 100% 1px; }
.enlace-flecha:hover .ico { transform: translateX(5px); }

/* ── Cabecera ────────────────────────────────────── */
.cabecera {
  position: fixed; inset: 0 0 auto;
  z-index: 50;
  height: var(--cab-alto);
  transition: height .4s var(--curva), background-color .4s, box-shadow .4s;
}
.cabecera.con-fondo {
  --cab-alto: 64px;
  background: rgba(58, 65, 56, .94);
  box-shadow: 0 1px 0 rgba(205, 171, 120, .25);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}
.cab-interior {
  height: 100%;
  max-width: calc(1360px + 2 * var(--gutter));
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: flex; align-items: center; gap: 32px;
}
.cab-logo { display: block; width: 168px; flex: none; }
.cab-logo img { width: 100%; height: auto; }
.cab-nav { display: flex; gap: 30px; margin-left: auto; }
.cab-nav a {
  position: relative;
  font-family: var(--titulos); font-size: 12.5px; font-weight: 500; letter-spacing: .18em; text-transform: uppercase;
  text-decoration: none; color: var(--sobre-oliva);
  padding: 8px 0;
}
.cab-nav a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 2px; height: 1px;
  background: var(--ecru);
  transform: scaleX(0); transform-origin: right;
  transition: transform .45s var(--curva);
}
.cab-nav a:hover::after, .cab-nav a.activo::after { transform: scaleX(1); transform-origin: left; }
.cab-cta { min-height: 42px; padding: 9px 20px 8px; font-size: 12px; }
.cab-menu {
  display: none;
  margin-left: auto;
  align-items: center; gap: 12px;
  background: none; border: 0; padding: 10px 0; cursor: pointer;
  color: var(--sobre-oliva);
  font-family: var(--titulos); font-size: 12px; letter-spacing: .2em; text-transform: uppercase;
}
.cab-menu-lineas { position: relative; width: 26px; height: 9px; }
.cab-menu-lineas::before, .cab-menu-lineas::after {
  content: ""; position: absolute; left: 0; height: 1.5px; background: currentColor;
  transition: transform .45s var(--curva), top .45s var(--curva), width .45s var(--curva);
}
.cab-menu-lineas::before { top: 0; width: 26px; }
.cab-menu-lineas::after { top: 7.5px; width: 18px; }
.cab-menu[aria-expanded="true"] .cab-menu-lineas::before { top: 4px; transform: rotate(45deg); }
.cab-menu[aria-expanded="true"] .cab-menu-lineas::after { top: 4px; width: 26px; transform: rotate(-45deg); }

/* Menú del celular: hoja oliva a pantalla completa */
.menu-movil {
  position: fixed; inset: 0;
  z-index: 40;
  background: var(--oliva-hondo);
  padding: calc(var(--cab-alto) + 28px) var(--gutter) 32px;
  display: flex; flex-direction: column; justify-content: space-between;
  clip-path: inset(0 0 100% 0);
  transition: clip-path .7s var(--curva-suave), visibility 0s .7s;
  visibility: hidden;
  overflow-y: auto;
}
.menu-movil[hidden] { display: none; }
.menu-movil.abierto { clip-path: inset(0 0 0 0); visibility: visible; transition: clip-path .7s var(--curva-suave); }
.menu-movil nav { display: flex; flex-direction: column; }
.menu-movil nav a {
  display: flex; align-items: baseline; gap: 18px;
  font-family: var(--titulos); font-size: clamp(34px, 9vw, 48px); text-transform: uppercase;
  color: var(--sobre-oliva); text-decoration: none;
  padding: 10px 0;
  border-bottom: 1px solid rgba(205, 171, 120, .22);
}
.menu-movil nav a span { font-size: 13px; letter-spacing: .2em; color: var(--ecru-claro); }
.menu-movil-pie p { margin: 18px 0 0; font-family: var(--titulos); font-size: 11px; letter-spacing: .2em; text-transform: uppercase; color: var(--ecru-claro); }
.menu-movil nav a, .menu-movil-pie { opacity: 0; transform: translateY(24px); transition: opacity .5s, transform .6s var(--curva); }
.menu-movil.abierto nav a, .menu-movil.abierto .menu-movil-pie { opacity: 1; transform: none; transition-delay: calc(.25s + var(--i) * .06s); }

/* ── Portada ─────────────────────────────────────── */
.portada {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  background: var(--oliva);
  color: var(--sobre-oliva);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 46%);
  align-items: center;
  overflow: hidden;
}
.portada::before {
  /* luz tenue de atardecer detrás del texto */
  content: ""; position: absolute; inset: -20% auto auto -10%;
  width: 70vw; height: 70vw; border-radius: 50%;
  background: radial-gradient(closest-side, rgba(205, 171, 120, .14), transparent);
  pointer-events: none;
}
.portada-texto {
  position: relative;
  padding: calc(var(--cab-alto) + 48px) clamp(24px, 5vw, 72px) 96px var(--borde-portada);
}
.portada-texto > * { max-width: 680px; }
.portada-titulo {
  color: var(--sobre-oliva);
  font-size: clamp(44px, 4.4vw, 66px);
  line-height: 1.04;
  letter-spacing: -.005em;
  margin: 8px 0 28px;
}
.portada-titulo em {
  font-family: var(--texto-f);
  font-style: italic;
  font-weight: 400;
  color: var(--ecru-claro);
  letter-spacing: 0;
  font-size: 1.08em;
}
.linea-mascara { display: block; overflow: hidden; padding-bottom: .08em; margin-bottom: -.08em; }
.linea-mascara > span { display: inline-block; }
.portada-bajada { font-size: clamp(20px, .8vw + 14px, 24px); line-height: 1.45; font-style: italic; font-weight: 400; color: var(--sobre-oliva-suave); max-width: 34ch; margin-bottom: 34px; }
.portada-acciones { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 28px; }
.firma { margin: 56px 0 0; font-family: var(--titulos); font-size: 11.5px; letter-spacing: .26em; text-transform: uppercase; color: var(--ecru-claro); }

.portada-imagen { position: relative; margin: 0; height: 100%; min-height: 100svh; }
.portada-marco { position: absolute; inset: calc(var(--cab-alto) + 24px) var(--borde-portada) 64px 0; }
.portada-foto { position: absolute; inset: 0; overflow: hidden; }
.portada-marco img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 60%; }
.portada-marco::before { top: -14px; left: -14px; }
.portada-marco::after { bottom: -14px; right: -14px; }
.portada-imagen figcaption {
  position: absolute; right: var(--borde-portada); bottom: 22px;
  font-family: var(--titulos); font-size: 13px; letter-spacing: .14em; text-transform: uppercase; color: var(--sobre-oliva);
}
.portada-imagen figcaption span { color: var(--ecru-claro); font-size: 11px; letter-spacing: .24em; margin-right: 10px; }

.bajar {
  position: absolute; left: 50%; bottom: 24px; z-index: 3;
  width: 1px; height: 56px; margin-left: -.5px;
  background: rgba(243, 240, 232, .22);
  overflow: hidden;
}
.bajar span { position: absolute; inset: 0; background: var(--ecru); animation: bajar 2.4s var(--curva-suave) infinite; }
@keyframes bajar { 0% { transform: translateY(-100%); } 60%, 100% { transform: translateY(100%); } }

/* Entrada de la portada al cargar */
.js .aparece { opacity: 0; transform: translateY(18px); }
.js .aparece-linea { transform: translateY(110%); }
.js .portada-foto { clip-path: inset(100% 0 0 0); }
.js .portada-marco img { transform: scale(1.18); }
.js .portada-marco::before, .js .portada-marco::after { opacity: 0; width: 0; height: 0; }
.js .portada-imagen figcaption { opacity: 0; }
.cargado .aparece { opacity: 1; transform: none; transition: opacity 1s var(--curva), transform 1.1s var(--curva); transition-delay: calc(.25s + var(--i) * .12s); }
.cargado .aparece-linea { transform: none; transition: transform 1.1s var(--curva); transition-delay: calc(.2s + var(--i) * .12s); }
.cargado .portada-foto { clip-path: inset(0 0 0 0); transition: clip-path 1.5s var(--curva-suave) .15s; }
.cargado .portada-marco img { transform: scale(1); transition: transform 2.6s var(--curva) .15s; }
.cargado .portada-marco::before, .cargado .portada-marco::after { opacity: 1; width: 46px; height: 46px; transition: width .8s var(--curva) 1.3s, height .8s var(--curva) 1.3s, opacity .3s 1.3s; }
.cargado .portada-imagen figcaption { opacity: 1; transition: opacity 1s 1.4s; }

/* ── Cinta de servicios ──────────────────────────── */
.cinta { background: var(--alabastro); border-bottom: 1px solid var(--linea); overflow: hidden; padding: 22px 0 20px; }
.cinta-pista { display: flex; align-items: center; gap: 28px; width: max-content; animation: cinta 46s linear infinite; }
.cinta span { font-family: var(--titulos); font-size: clamp(20px, 1.4vw + 12px, 30px); text-transform: uppercase; letter-spacing: .04em; color: var(--oliva); white-space: nowrap; }
.cinta b { font-family: var(--texto-f); font-weight: 600; font-size: clamp(28px, 2vw + 14px, 40px); color: var(--ecru); line-height: 1; }
@keyframes cinta { to { transform: translateX(-50%); } }

/* ── Secciones ───────────────────────────────────── */
.seccion { padding: clamp(80px, 9vw, 140px) 0; position: relative; }
.oscura { background: var(--oliva); color: var(--sobre-oliva-suave); }
.clara { background: var(--alabastro); }
.seccion-cab { margin-bottom: clamp(40px, 5vw, 72px); }
.seccion-bajada { font-size: clamp(20px, .6vw + 16px, 24px); font-style: italic; font-weight: 400; max-width: 46ch; margin: 0; }

/* Presentación */
.estudio-grilla { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: clamp(48px, 7vw, 112px); align-items: center; }
.estudio-foto { margin: 0; }
.estudio-marco { overflow: hidden; }
.estudio-foto img { width: 100%; height: auto; aspect-ratio: 700 / 879; object-fit: cover; background: #ECEAE4; }
.esquinas-oscuras::before, .esquinas-oscuras::after { border-color: var(--oliva); }
.estudio-foto figcaption { margin-top: 24px; font-family: var(--titulos); font-size: 12px; letter-spacing: .24em; text-transform: uppercase; color: var(--texto-suave); }
.estudio-foto figcaption i { font-family: var(--texto-f); font-style: italic; text-transform: none; letter-spacing: 0; font-size: 18px; color: var(--ecru-texto); }
.destacado { font-size: clamp(23px, 1vw + 16px, 29px); line-height: 1.38; color: var(--tinta); font-weight: 500; }
.compromiso { margin: 32px 0; padding: 4px 0 4px 26px; border-left: 1.5px solid var(--ecru); font-size: clamp(21px, .6vw + 16px, 25px); font-style: italic; font-weight: 400; color: var(--tinta); }
.compromiso p { margin: 0; }
.compromiso strong { font-style: normal; font-weight: 600; color: var(--oliva); }
.estudio .pildoras { margin-bottom: 40px; }
.datos { display: grid; grid-template-columns: repeat(3, auto); justify-content: start; gap: 0; border-top: 1px solid var(--linea); padding-top: 26px; }
.datos div { padding-right: 34px; margin-right: 34px; border-right: 1px solid var(--linea); }
.datos div:last-child { border-right: 0; margin-right: 0; padding-right: 0; }
.datos dt { font-family: var(--titulos); font-size: 11px; letter-spacing: .24em; text-transform: uppercase; color: var(--ecru-texto); margin-bottom: 4px; }
.datos dd { margin: 0; font-family: var(--titulos); font-size: 21px; color: var(--oliva); line-height: 1.25; }

/* Servicios */
.servicios::before {
  content: ""; position: absolute; inset: 0;
  background: repeating-linear-gradient(90deg, transparent 0 calc(100% / 6 - 1px), rgba(243, 240, 232, .04) calc(100% / 6 - 1px) calc(100% / 6));
  pointer-events: none;
}
.servicios-grilla { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; position: relative; }
.servicio {
  position: relative;
  background: var(--oliva-tarjeta);
  border: 1px solid rgba(205, 171, 120, .35);
  border-radius: 14px;
  padding: 30px 30px 32px;
  overflow: hidden;
  transition: transform .6s var(--curva), border-color .5s, background-color .5s;
}
.servicio::after {
  content: ""; position: absolute; left: 30px; right: 30px; bottom: 0; height: 2px;
  background: var(--ecru);
  transform: scaleX(0); transform-origin: left;
  transition: transform .6s var(--curva);
}
.servicio:hover { transform: translateY(-6px); border-color: rgba(205, 171, 120, .8); background: #5B6152; }
.servicio:hover::after { transform: scaleX(1); }
.servicio-num { position: absolute; top: 22px; right: 26px; font-family: var(--titulos); font-size: 42px; line-height: 1; color: rgba(205, 171, 120, .3); transition: color .5s; }
.servicio:hover .servicio-num { color: rgba(205, 171, 120, .75); }
.servicio-cat { font-family: var(--titulos); font-size: 11.5px; letter-spacing: .24em; text-transform: uppercase; color: var(--ecru-claro); margin: 0 0 18px; }
.servicio h3 { font-size: clamp(23px, .6vw + 18px, 27px); line-height: 1.18; margin: 0 0 12px; padding-right: 48px; }
.servicio p:last-child { margin: 0; color: var(--sobre-oliva-suave); }

/* Proceso */
.pasos { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 24px; position: relative; text-align: center; counter-reset: paso; }
.pasos::before {
  /* línea punteada que une los pasos */
  content: ""; position: absolute; top: 31px; left: 10%; right: 10%; height: 1px;
  background: radial-gradient(circle, var(--ecru) 1px, transparent 1.4px) 0 0 / 7px 1px repeat-x;
  transform-origin: left;
}
.paso { position: relative; }
.paso-num {
  position: relative; z-index: 1;
  display: grid; place-items: center;
  width: 64px; height: 64px; margin: 0 auto 26px;
  border-radius: 50%;
  background: var(--oliva);
  border: 1px solid var(--ecru);
  box-shadow: 0 0 0 7px var(--alabastro);
  color: var(--sobre-oliva);
  font-family: var(--titulos); font-size: 26px;
  transition: background-color .4s, color .4s;
}
.paso:hover .paso-num { background: var(--ecru); color: var(--tinta); }
.paso h3 { font-size: 21px; margin: 0 0 10px; color: var(--tinta); line-height: 1.2; }
.paso p { font-size: 18px; line-height: 1.5; margin: 0 0 12px; }
.paso-tiempo { font-family: var(--titulos); font-size: 11.5px; letter-spacing: .2em; text-transform: uppercase; color: var(--ecru-texto); }

/* Proyectos */
.proyectos-cab { background: var(--hueso); padding-bottom: 0; }
.proyecto { padding: clamp(64px, 8vw, 120px) 0; background: var(--hueso); position: relative; }
.proyecto.oscura { background: var(--oliva); }
.proyecto-grilla { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: clamp(40px, 6vw, 96px); align-items: center; }
.invertido .proyecto-grilla { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); }
.invertido .proyecto-media { order: 2; }
.proyecto-media { position: relative; }
.ampliable {
  position: relative; display: block; width: 100%;
  padding: 0; border: 0; background: #D9D6CE; cursor: zoom-in;
  overflow: hidden;
}
.ampliable img { width: 100%; height: auto; transition: transform 1.2s var(--curva), filter .6s; will-change: transform; }
.ampliable:hover img { filter: brightness(1.04); }
.ampliar-ico {
  position: absolute; right: 16px; bottom: 16px;
  display: grid; place-items: center;
  width: 44px; height: 44px; border-radius: 50%;
  background: rgba(243, 240, 232, .92); color: var(--oliva);
  opacity: 0; transform: scale(.8);
  transition: opacity .4s, transform .5s var(--curva);
}
.ampliable:hover .ampliar-ico, .ampliable:focus-visible .ampliar-ico { opacity: 1; transform: none; }
.proyecto-num { display: block; font-family: var(--titulos); font-size: 15px; color: var(--ecru-texto); margin-bottom: 20px; letter-spacing: .06em; }
.proyecto-num i { font-style: normal; opacity: .55; }
.oscura .proyecto-num { color: var(--ecru-claro); }
.proyecto-titulo { font-size: clamp(38px, 3.6vw + 14px, 66px); text-transform: uppercase; letter-spacing: .015em; margin: 0 0 26px; position: relative; padding-bottom: 22px; }
.proyecto-titulo::after { content: ""; position: absolute; left: 0; bottom: 0; width: 56px; height: 1.5px; background: var(--ecru); transform-origin: left; }
.proyecto-titulo span { display: block; font-size: .62em; color: var(--ecru-claro); white-space: nowrap; margin-top: .1em; }
.proyecto-texto > p { max-width: 42ch; }
.aplicados { margin-top: 30px; }
.aplicados > p { font-family: var(--titulos); font-size: 10.5px; letter-spacing: .24em; text-transform: uppercase; margin: 0 0 10px; color: var(--texto-suave); }
.oscura .aplicados > p { color: var(--sobre-oliva-suave); }

/* Galería del quincho */
.galeria { display: grid; grid-template-columns: 1.75fr 1fr; grid-template-rows: 1fr 1fr; gap: 10px; }
.galeria .galeria-principal { grid-row: 1 / 3; }
.galeria .ampliable img { height: 100%; object-fit: cover; }
.galeria .ampliable:not(.galeria-principal) img { aspect-ratio: auto; }

/* Reforma: comparador antes y después */
.reforma { background: var(--alabastro); }
.reforma-cab { display: grid; grid-template-columns: minmax(0, 6fr) minmax(0, 5fr); gap: clamp(32px, 6vw, 96px); align-items: end; margin-bottom: clamp(36px, 4vw, 56px); }
.reforma-cab > p { max-width: 44ch; margin-bottom: 30px; }
.comparador {
  position: relative;
  aspect-ratio: 800 / 524;
  overflow: hidden;
  background: #D9D6CE;
  touch-action: pan-y;
  cursor: ew-resize;
  user-select: none;
  -webkit-user-select: none;
}
.comparador img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; pointer-events: none; }
.comp-antes { position: absolute; inset: 0; clip-path: inset(0 calc(100% - var(--pos)) 0 0); }
.comp-manija { position: absolute; top: 0; bottom: 0; left: var(--pos); width: 1.5px; margin-left: -.75px; background: var(--alabastro); pointer-events: none; }
.comp-manija span {
  position: absolute; top: 50%; left: 50%;
  width: 54px; height: 54px; margin: -27px 0 0 -27px;
  border-radius: 50%;
  background: rgba(243, 240, 232, .95);
  border: 1px solid var(--ecru);
  box-shadow: 0 6px 24px rgba(0, 0, 0, .18);
}
.comp-manija span::before, .comp-manija span::after {
  content: ""; position: absolute; top: 50%; width: 9px; height: 9px; margin-top: -4.5px;
  border-left: 1.5px solid var(--oliva); border-bottom: 1.5px solid var(--oliva);
}
.comp-manija span::before { left: 14px; transform: rotate(45deg); }
.comp-manija span::after { right: 14px; transform: rotate(-135deg); }
.comp-etq {
  position: absolute; top: 18px;
  padding: 6px 14px 5px;
  font-family: var(--titulos); font-size: 11.5px; letter-spacing: .22em; text-transform: uppercase;
  pointer-events: none;
}
.comp-etq-antes { left: 18px; background: var(--crema); color: var(--oliva); }
.comp-etq-despues { right: 18px; background: var(--oliva); color: var(--sobre-oliva); }
.comp-control {
  position: absolute; inset: auto 0 0; width: 100%; height: 1px;
  opacity: 0; pointer-events: none; margin: 0;
}
.comparador:focus-within { outline: 2px solid var(--ecru); outline-offset: 4px; }
.comp-pies { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 18px; font-size: 17px; color: var(--texto-suave); }
.comp-pies p { margin: 0; }
.comp-pies b { font-family: var(--titulos); font-weight: 500; font-size: 11px; letter-spacing: .22em; text-transform: uppercase; color: var(--ecru-texto); margin-right: 8px; }
.comp-pies p:last-child { text-align: right; }

/* Edificio San: cifras */
.cifras { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin: 30px 0 4px; max-width: 460px; }
.cifras div { border: 1px solid rgba(205, 171, 120, .4); border-radius: 12px; padding: 16px 20px 14px; background: var(--oliva-tarjeta); display: flex; flex-direction: column-reverse; justify-content: flex-end; }
.cifras dd { margin: 0; font-family: var(--titulos); font-size: clamp(38px, 2vw + 22px, 52px); line-height: 1; color: var(--sobre-oliva); font-variant-numeric: lining-nums tabular-nums; }
.cifras dd small { font-size: .42em; margin-left: 4px; color: var(--ecru-claro); }
.cifras dt { margin-top: 8px; font-size: 15.5px; color: var(--sobre-oliva-suave); line-height: 1.3; }

/* Testimonios */
.testimonios { background: var(--hueso); }
.testimonios-grilla { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
.testimonio {
  margin: 0;
  background: var(--crema);
  border: 1.5px solid var(--ecru-borde);
  border-radius: 22px;
  padding: 34px 32px 30px;
  display: flex; flex-direction: column;
  transition: transform .6s var(--curva), box-shadow .6s;
}
.testimonio:hover { transform: translateY(-4px); box-shadow: 0 18px 40px -24px rgba(71, 80, 69, .45); }
.testimonio blockquote { margin: 0 0 24px; flex: 1; }
.testimonio blockquote::before { content: "\201C"; display: block; font-family: var(--texto-f); font-weight: 500; font-size: 84px; line-height: 1; height: 40px; margin-left: -4px; color: var(--ecru); }
.testimonio blockquote p { margin: 0; font-style: italic; font-weight: 400; font-size: clamp(19px, .4vw + 16px, 21px); line-height: 1.55; color: var(--tinta); }
.testimonio figcaption { display: flex; flex-direction: column; gap: 2px; border-top: 1px solid var(--ecru-borde); padding-top: 16px; }
.testimonio strong { font-family: var(--titulos); font-weight: 500; font-size: 17px; color: var(--oliva); }
.testimonio figcaption span { font-size: 15.5px; color: var(--ecru-texto); font-weight: 600; }

/* Contacto */
.contacto { text-align: center; overflow: hidden; }
.contacto::before {
  content: ""; position: absolute; left: 50%; top: 50%; width: 1100px; height: 1100px; margin: -550px 0 0 -550px;
  border-radius: 50%;
  background: radial-gradient(closest-side, rgba(205, 171, 120, .12), transparent);
  pointer-events: none;
}
.contacto-interior { position: relative; display: flex; flex-direction: column; align-items: center; }
.contacto-logo { width: min(320px, 70vw); height: auto; margin-bottom: 18px; }
.contacto-logo + .contacto-titulo { margin-top: 26px; }
.contacto-titulo { font-size: clamp(36px, 3.4vw + 14px, 64px); color: var(--sobre-oliva); max-width: 18ch; margin-bottom: 18px; position: relative; padding-top: 34px; }
.contacto-titulo::before { content: ""; position: absolute; top: 0; left: 50%; width: 64px; height: 1.5px; margin-left: -32px; background: var(--ecru); }
.contacto-bajada { font-size: clamp(21px, .8vw + 16px, 26px); font-style: italic; font-weight: 400; margin-bottom: 36px; }
.canales { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-top: 44px; max-width: 900px; }
.canales a {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 10px 18px 9px;
  border: 1px solid rgba(205, 171, 120, .4);
  border-radius: 999px;
  text-decoration: none;
  font-size: 17px; font-weight: 600;
  color: var(--sobre-oliva);
  transition: background-color .4s, border-color .4s, color .4s, transform .4s var(--curva);
}
.canales a:hover { background: var(--sobre-oliva); color: var(--oliva); border-color: var(--sobre-oliva); transform: translateY(-2px); }
.canales .ico { color: var(--ecru-claro); transition: color .4s; }
.canales a:hover .ico { color: var(--oliva); }

/* Pie */
.pie { background: var(--oliva-hondo); color: var(--sobre-oliva-suave); padding: 44px 0 calc(34px + env(safe-area-inset-bottom)); }
.pie-interior { display: flex; align-items: center; gap: 18px 22px; flex-wrap: wrap; }
.pie-iso { width: 26px; height: auto; opacity: .9; }
.pie-firma { margin: 0; font-family: var(--titulos); font-size: 11px; letter-spacing: .24em; text-transform: uppercase; color: var(--ecru-claro); }
.pie-legal { margin: 0 0 0 auto; font-size: 15px; }
.pie-credito { width: 100%; margin: 10px 0 0; padding-top: 22px; border-top: 1px solid rgba(205, 171, 120, .18); font-size: 14px; letter-spacing: .02em; text-align: center; }
.pie-credito a { color: var(--ecru-claro); text-decoration: none; background: linear-gradient(var(--ecru), var(--ecru)) left bottom / 0 1px no-repeat; transition: background-size .5s var(--curva), color .3s; }
.pie-credito a:hover, .pie-credito a:focus-visible { color: var(--sobre-oliva); background-size: 100% 1px; }

/* WhatsApp flotante */
.wsp-flotante {
  position: fixed; right: max(20px, env(safe-area-inset-right)); bottom: max(20px, env(safe-area-inset-bottom));
  z-index: 30;
  display: grid; place-items: center;
  width: 58px; height: 58px; border-radius: 50%;
  background: var(--ecru); color: var(--tinta);
  box-shadow: 0 10px 30px -8px rgba(34, 33, 31, .45);
  opacity: 0; transform: translateY(20px) scale(.8); pointer-events: none;
  transition: opacity .5s, transform .6s var(--curva), background-color .3s;
}
.wsp-flotante .ico { width: 26px; height: 26px; }
.wsp-flotante.visible { opacity: 1; transform: none; pointer-events: auto; }
.wsp-flotante:hover { background: var(--alabastro); }
.wsp-flotante::before {
  content: ""; position: absolute; inset: 0; border-radius: 50%; border: 1px solid var(--ecru);
  animation: latido 2.8s var(--curva) infinite;
}
@keyframes latido { 0% { transform: scale(1); opacity: .9; } 70%, 100% { transform: scale(1.6); opacity: 0; } }

/* Visor de imágenes */
.visor {
  width: 100vw; height: 100vh; max-width: none; max-height: none;
  margin: 0; padding: clamp(16px, 4vw, 56px);
  border: 0; background: transparent;
  display: grid; place-items: center;
}
.visor:not([open]) { display: none; }
.visor::backdrop { background: rgba(34, 37, 33, .94); }
.visor img { max-width: 100%; max-height: calc(100vh - 2 * clamp(16px, 4vw, 56px)); object-fit: contain; animation: visor .6s var(--curva); }
.visor-cerrar {
  position: fixed; top: 16px; right: 16px;
  width: 48px; height: 48px; border-radius: 50%;
  display: grid; place-items: center;
  background: rgba(243, 240, 232, .1); border: 1px solid rgba(205, 171, 120, .5); color: var(--sobre-oliva);
  cursor: pointer;
}
.visor-cerrar:hover { background: var(--ecru); color: var(--tinta); }
@keyframes visor { from { opacity: 0; transform: scale(.96); } }

/* ── Revelado al hacer scroll ─────────────────────── */
.js [data-revelar] { opacity: 0; transform: translateY(28px); transition: opacity 1s var(--curva), transform 1.1s var(--curva); transition-delay: calc(var(--i, 0) * .09s); }
.js [data-revelar].visible { opacity: 1; transform: none; }
.js [data-revelar="imagen"] { opacity: 1; transform: none; clip-path: inset(12% 0 12% 0); transition: clip-path 1.4s var(--curva-suave); transition-delay: calc(var(--i, 0) * .12s); }
.js [data-revelar="imagen"] img { transform: scale(1.14); transition: transform 1.8s var(--curva); }
.js [data-revelar="imagen"].visible { clip-path: inset(0 0 0 0); }
.js [data-revelar="imagen"].visible img { transform: scale(1); }
.js .titulo[data-revelar]::after, .js .proyecto-titulo[data-revelar]::after { transform: scaleX(0); transition: transform 1s var(--curva) .45s; }
.js .titulo[data-revelar].visible::after, .js .proyecto-titulo[data-revelar].visible::after { transform: scaleX(1); }
.js .titulo[data-revelar]::before { transform: scale(0); transition: transform .6s var(--curva) .3s; }
.js .titulo[data-revelar].visible::before { transform: none; }
/* Los pasos aparecen de a uno sobre la línea que se dibuja */
.js [data-revelar="pasos"] { opacity: 1; transform: none; }
.js [data-revelar="pasos"]::before { transform: scaleX(0); transition: transform 1.8s var(--curva-suave) .2s; }
.js [data-revelar="pasos"].visible::before { transform: scaleX(1); }
.js [data-revelar="pasos"] .paso { opacity: 0; transform: translateY(24px); transition: opacity .9s var(--curva), transform 1s var(--curva); transition-delay: calc(.25s + var(--i) * .22s); }
.js [data-revelar="pasos"] .paso-num { transform: scale(.4); transition: transform .9s cubic-bezier(.34, 1.56, .64, 1), background-color .4s, color .4s; transition-delay: calc(.25s + var(--i) * .22s); }
.js [data-revelar="pasos"].visible .paso { opacity: 1; transform: none; }
.js [data-revelar="pasos"].visible .paso-num { transform: none; }

/* ── Tableta y celular ───────────────────────────── */
@media (max-width: 1100px) {
  .cab-nav { gap: 22px; }
  .cab-cta { display: none; }
  .servicios-grilla { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .testimonios-grilla { grid-template-columns: minmax(0, 1fr); max-width: 720px; }
}
@media (max-width: 959px) {
  :root { --cab-alto: 68px; }
  .cab-nav { display: none; }
  .cab-menu { display: inline-flex; }
  .cab-logo { width: 146px; }

  .portada { grid-template-columns: minmax(0, 1fr); align-items: end; }
  .portada-imagen { position: absolute; inset: 0; min-height: 0; }
  .portada-marco { inset: 0; }
  .portada-marco::before, .portada-marco::after, .portada-imagen figcaption { display: none; }
  .portada-marco img { object-position: 50% 40%; }
  .portada-imagen::after {
    content: ""; position: absolute; inset: 0;
    background: linear-gradient(180deg, rgba(58, 65, 56, .55) 0%, rgba(58, 65, 56, .05) 22%, rgba(58, 65, 56, .62) 38%, rgba(58, 65, 56, .95) 58%, var(--oliva-hondo) 100%);
  }
  .portada-texto { padding: 40vh var(--gutter) 92px; z-index: 2; }
  .portada-titulo { font-size: clamp(34px, 9.4vw, 52px); margin-bottom: 20px; }
  .portada-bajada { font-size: 19px; margin-bottom: 26px; }
  .portada-etq { text-shadow: 0 1px 12px rgba(34, 37, 33, .6); }
  .portada::before { display: none; }
  .firma { margin-top: 36px; }
  .bajar { display: none; }

  .estudio-grilla { grid-template-columns: minmax(0, 1fr); }
  .estudio-foto { max-width: 460px; width: 88%; margin: 0 auto 12px; }
  .proyecto-grilla, .invertido .proyecto-grilla { grid-template-columns: minmax(0, 1fr); }
  .invertido .proyecto-media { order: 0; }
  .reforma-cab { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .reforma-cab > p { margin-bottom: 0; }

  .pasos { grid-template-columns: minmax(0, 1fr); gap: 0; text-align: left; max-width: 560px; }
  .pasos::before { top: 32px; bottom: 32px; left: 31.5px; right: auto; width: 1px; height: auto; background: radial-gradient(circle, var(--ecru) 1px, transparent 1.4px) 0 0 / 1px 7px repeat-y; transform-origin: top; }
  .js [data-revelar="pasos"]::before { transform: scaleY(0); }
  .js [data-revelar="pasos"].visible::before { transform: scaleY(1); }
  .paso { display: grid; grid-template-columns: 64px minmax(0, 1fr); column-gap: 24px; padding-bottom: 34px; }
  .paso:last-child { padding-bottom: 0; }
  .paso-num { grid-row: 1 / 4; margin: 0; }
  .paso h3 { padding-top: 10px; }
}
@media (max-width: 640px) {
  .servicios-grilla { grid-template-columns: minmax(0, 1fr); gap: 14px; }
  .servicio { padding: 26px 24px 28px; }
  .datos { grid-template-columns: minmax(0, 1fr); gap: 16px; }
  .datos div { border-right: 0; margin-right: 0; padding-right: 0; }
  .portada-acciones .btn { width: 100%; letter-spacing: .08em; font-size: 12.5px; padding-left: 18px; padding-right: 18px; }
  .comp-pies { grid-template-columns: minmax(0, 1fr); gap: 8px; }
  .comp-pies p:last-child { text-align: left; }
  .comp-manija span { width: 46px; height: 46px; margin: -23px 0 0 -23px; }
  .comp-etq { top: 12px; font-size: 10px; padding: 5px 10px 4px; }
  .comp-etq-antes { left: 12px; }
  .comp-etq-despues { right: 12px; }
  .galeria { grid-template-columns: 1.5fr 1fr; gap: 8px; }
  .proyecto-titulo { font-size: clamp(30px, 8.4vw, 40px); }
  .titulo { font-size: clamp(32px, 9vw, 42px); }
  .cifras dd { font-size: 34px; }
  .cifras div { padding: 14px 16px 12px; }
  .pie-interior { flex-direction: column; text-align: center; gap: 14px; }
  .pie-legal { margin: 0; }
  .canales a { font-size: 16px; }
  .ampliar-ico { opacity: 1; transform: none; width: 38px; height: 38px; right: 10px; bottom: 10px; }
  .esquinas::before, .esquinas::after { width: 34px; height: 34px; }
  .esquinas::before { top: -9px; left: -9px; }
  .esquinas::after { bottom: -9px; right: -9px; }
}

/* Sin animaciones para quien las desactivó en su aparato */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition-duration: .01ms !important; transition-delay: 0s !important; }
  .js .aparece, .js .aparece-linea, .js [data-revelar], .js [data-revelar] .paso, .js [data-revelar] .paso-num { opacity: 1 !important; transform: none !important; clip-path: none !important; }
  .js [data-revelar] img, .js .portada-marco img { transform: none !important; }
  .js .portada-foto { clip-path: none !important; }
  .js .portada-marco::before, .js .portada-marco::after { opacity: 1; width: 46px; height: 46px; }
  .js .portada-imagen figcaption { opacity: 1; }
  .js .titulo[data-revelar]::after, .js .proyecto-titulo[data-revelar]::after, .js .titulo[data-revelar]::before, .js [data-revelar="pasos"]::before { transform: none !important; }
  .cinta-pista { flex-wrap: wrap; width: auto; justify-content: center; padding: 0 var(--gutter); row-gap: 6px; }
  .cinta-pista > :nth-child(n+13) { display: none; }
}