/* Grupo INSAAT · development landing pages (one template, one data file per development).
   Same family as grupoinsaat.com: charcoal, white, sand, Trebuchet display. Each landing sets
   its own --acento from its brand in the generated <style>. */
:root {
  --tinta: #262C2A; --tinta-suave: #4A5568; --papel: #FFFFFF; --gris: #F3F3F1; --linea: #DADBD7;
  --acento: #AB9B80; --acento-tinta: #262C2A; --acento-texto: #8C7B5F;
  --display: "Trebuchet MS", "Lucida Grande", "Segoe UI", sans-serif;
  --texto: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --r: 6px; --margen: clamp(1rem, 4vw, 3rem); --seccion: clamp(4rem, 9vw, 7.5rem);
  --sombra: 0 10px 30px rgba(20, 24, 22, 0.12);
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { animation: none !important; transition: none !important; } }
body { margin: 0; background: var(--papel); color: var(--tinta); font: 400 1rem/1.6 var(--texto); }
img, video { display: block; max-width: 100%; }
a { color: inherit; }
h1, h2, h3 { font-family: var(--display); margin: 0; line-height: 1.05; letter-spacing: -0.015em; text-wrap: balance; }
p { margin: 0; }
.envoltura { max-width: 78rem; margin-inline: auto; padding-inline: var(--margen); }
.pretitulo { font: 600 0.75rem/1 var(--texto); letter-spacing: 0.18em; text-transform: uppercase; color: var(--acento-texto); }
.titulo { font-size: clamp(2rem, 1.3rem + 2.6vw, 3.4rem); font-weight: 700; }
.cuerpo { color: var(--tinta-suave); font-size: 1.0625rem; max-width: 42rem; }
.saltar { position: absolute; left: 1rem; top: -4rem; padding: 0.6rem 1rem; background: var(--tinta); color: #fff; z-index: 50; }
.saltar:focus { top: 1rem; }

/* ----- botones */
.boton { display: inline-flex; align-items: center; justify-content: center; gap: 0.6rem; min-height: 48px; padding: 0.85rem 1.4rem; border-radius: 999px;
  font: 700 0.8125rem/1 var(--texto); letter-spacing: 0.1em; text-transform: uppercase; text-decoration: none; cursor: pointer; border: 2px solid transparent; transition: transform 0.15s, background 0.2s, color 0.2s; }
.boton:active { transform: scale(0.98); }
.boton--wa { background: #1F9D55; color: #fff; }
.boton--wa:hover { background: #17834A; }
.boton--wa svg { width: 1.2em; height: 1.2em; fill: currentColor; }
.boton--acento { background: var(--acento); color: var(--acento-tinta); }
.boton--linea { border-color: currentColor; background: transparent; }
.boton:focus-visible, a:focus-visible, button:focus-visible { outline: 3px solid var(--acento); outline-offset: 3px; }

/* ----- cabecera */
.cabecera { position: fixed; inset: 0 0 auto; z-index: 30; display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: 0.85rem var(--margen); color: #fff; transition: background 0.3s, color 0.3s, box-shadow 0.3s; }
.cabecera.solida { background: rgba(255, 255, 255, 0.97); color: var(--tinta); box-shadow: 0 1px 0 var(--linea); }
.cabecera__marca { display: flex; align-items: center; gap: 0.75rem; text-decoration: none; font: 700 1.05rem/1 var(--display); letter-spacing: 0.02em; }
.cabecera__marca img { height: 2.1rem; width: auto; }
.cabecera.solida .cabecera__marca img.logo--claro { display: none; }
.cabecera:not(.solida) .cabecera__marca img.logo--oscuro { display: none; }
.cabecera__nav { display: flex; align-items: center; gap: 1.5rem; }
.cabecera__nav a:not(.boton) { font: 600 0.75rem/1 var(--texto); letter-spacing: 0.14em; text-transform: uppercase; text-decoration: none; }
.cabecera .boton { min-height: 40px; padding: 0.6rem 1.1rem; }
@media (max-width: 900px) { .cabecera__nav a:not(.boton) { display: none; } }

/* ----- portada */
.portada { position: relative; min-height: 100svh; display: grid; align-items: end; color: #fff; overflow: hidden; background: var(--tinta); }
.portada__medio { position: absolute; inset: 0; }
.portada__medio img, .portada__medio video { width: 100%; height: 100%; object-fit: cover; }
.portada::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(0,0,0,0.35) 0%, rgba(0,0,0,0) 30%, rgba(0,0,0,0.15) 55%, rgba(0,0,0,0.72) 100%); }
.portada__texto { position: relative; z-index: 1; padding-block: 7rem clamp(2.5rem, 7vh, 5rem); display: grid; gap: 1.1rem; }
.portada__chip { justify-self: start; padding: 0.45rem 0.8rem; border-radius: 999px; background: var(--acento); color: var(--acento-tinta); font: 700 0.6875rem/1 var(--texto); letter-spacing: 0.16em; text-transform: uppercase; }
.portada h1 { font-size: clamp(2.6rem, 1.5rem + 5vw, 6rem); max-width: 16ch; }
.portada__lema { font-size: clamp(1.1rem, 0.95rem + 0.6vw, 1.45rem); max-width: 36rem; color: rgba(255,255,255,0.92); }
.portada__acciones { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 0.6rem; }
.portada__acciones .boton--linea { color: #fff; }
.portada__ilustrativa { position: absolute; z-index: 1; right: var(--margen); bottom: 1rem; font-size: 0.75rem; color: rgba(255,255,255,0.75); }

/* ----- cifras */
.cifras { background: var(--tinta); color: #fff; }
.cifras ul { list-style: none; margin: 0; padding: clamp(1.6rem, 3vw, 2.4rem) 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(10rem, 1fr)); gap: 1.4rem 2rem; }
.cifras li { display: grid; gap: 0.3rem; border-left: 2px solid var(--acento); padding-left: 1rem; }
.cifras b { font: 700 clamp(1.4rem, 1.1rem + 1vw, 2rem)/1.1 var(--display); }
.cifras span { font-size: 0.8125rem; letter-spacing: 0.06em; color: #C3C8CC; text-transform: uppercase; }

/* ----- secciones */
.seccion { padding-block: var(--seccion); }
.seccion--gris { background: var(--gris); }
.seccion__cabeza { display: grid; gap: 0.9rem; margin-bottom: clamp(2rem, 4vw, 3rem); }
.concepto { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(2rem, 5vw, 5rem); align-items: center; }
.concepto__foto { border-radius: var(--r); overflow: hidden; box-shadow: var(--sombra); aspect-ratio: 4 / 5; }
.concepto__foto img { width: 100%; height: 100%; object-fit: cover; }
.concepto__texto { display: grid; gap: 1.1rem; }
.concepto__texto .cuerpo + .cuerpo { margin-top: -0.2rem; }
@media (max-width: 860px) { .concepto { grid-template-columns: 1fr; } .concepto__foto { aspect-ratio: 4 / 5; max-height: 80svh; } }

/* ----- galería */
.galeria { display: grid; gap: 0.75rem; }
.galeria__foto { position: relative; aspect-ratio: 16 / 10; border-radius: var(--r); overflow: hidden; background: var(--gris); touch-action: pan-y; }
.galeria__foto img { width: 100%; height: 100%; object-fit: cover; transition: opacity 0.25s; }
.galeria__foto img.contener { object-fit: contain; background: #EDEDEA; }
.galeria__foto img.cargando { opacity: 0.4; }
.galeria__flecha { position: absolute; top: 50%; width: 3rem; height: 3rem; margin-top: -1.5rem; border: 0; border-radius: 50%; cursor: pointer;
  background: rgba(255,255,255,0.94); box-shadow: 0 2px 12px rgba(0,0,0,0.2); display: grid; place-items: center; }
.galeria__flecha::before { content: ""; width: 0.7rem; height: 0.7rem; border: solid var(--tinta); border-width: 0 2px 2px 0; }
.galeria__flecha--ant { left: 1rem; } .galeria__flecha--ant::before { transform: translateX(2px) rotate(135deg); }
.galeria__flecha--sig { right: 1rem; } .galeria__flecha--sig::before { transform: translateX(-2px) rotate(-45deg); }
.galeria__contador { position: absolute; right: 1rem; bottom: 1rem; padding: 0.35rem 0.7rem; border-radius: 999px; background: rgba(38,44,42,0.8); color: #fff; font: 600 0.8125rem/1 var(--texto); }
.galeria__ampliar { position: absolute; left: 1rem; bottom: 1rem; padding: 0.45rem 0.8rem; border: 0; border-radius: 999px; background: rgba(255,255,255,0.94); font: 600 0.75rem/1 var(--texto); cursor: pointer; }
.galeria__pie { display: flex; justify-content: space-between; gap: 1rem; font-size: 0.875rem; color: var(--tinta-suave); }
.galeria__minis { display: flex; gap: 0.5rem; overflow-x: auto; scrollbar-width: thin; padding-bottom: 0.3rem; }
.galeria__minis button { flex: 0 0 auto; width: clamp(4.5rem, 9vw, 7rem); aspect-ratio: 4 / 3; padding: 0; border: 2px solid transparent; border-radius: 4px; overflow: hidden; cursor: pointer; opacity: 0.6; background: none; }
.galeria__minis button[aria-current="true"] { border-color: var(--tinta); opacity: 1; }
.galeria__minis img { width: 100%; height: 100%; object-fit: cover; }
@media (max-width: 860px) { .galeria__foto { aspect-ratio: 4 / 3; } .galeria__flecha { width: 2.6rem; height: 2.6rem; margin-top: -1.3rem; } }

/* lightbox */
.visor { position: fixed; inset: 0; z-index: 60; background: rgba(12,14,13,0.96); display: grid; grid-template-rows: auto 1fr auto; padding: 1rem; color: #fff; }
.visor[hidden] { display: none; }
.visor__barra { display: flex; justify-content: space-between; align-items: center; font-size: 0.875rem; }
.visor__cerrar { border: 1px solid rgba(255,255,255,0.4); background: none; color: #fff; border-radius: 999px; padding: 0.5rem 1rem; cursor: pointer; font: 600 0.8125rem var(--texto); }
.visor img { width: 100%; height: 100%; object-fit: contain; min-height: 0; }
.visor__nav { display: flex; justify-content: center; gap: 1rem; }
.visor__nav button { border: 1px solid rgba(255,255,255,0.4); background: none; color: #fff; border-radius: 999px; padding: 0.6rem 1.2rem; cursor: pointer; font: 600 0.8125rem var(--texto); }

/* ----- video */
.video { position: relative; aspect-ratio: 16 / 9; border-radius: var(--r); overflow: hidden; background: #000; box-shadow: var(--sombra); }
.video iframe, .video video { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.video__portada { position: absolute; inset: 0; border: 0; padding: 0; cursor: pointer; background: #000; }
.video__portada img { width: 100%; height: 100%; object-fit: cover; opacity: 0.85; }
.video__portada span { position: absolute; left: 50%; top: 50%; width: 5rem; height: 5rem; margin: -2.5rem 0 0 -2.5rem; border-radius: 50%; background: var(--acento); display: grid; place-items: center; }
.video__portada span::before { content: ""; border-style: solid; border-width: 0.8rem 0 0.8rem 1.3rem; border-color: transparent transparent transparent var(--acento-tinta); margin-left: 0.3rem; }

/* ----- modelos */
.modelos { display: grid; grid-template-columns: repeat(auto-fit, minmax(17rem, 1fr)); gap: 1.4rem; }
.modelo { background: var(--papel); border: 1px solid var(--linea); border-radius: var(--r); overflow: hidden; display: grid; grid-template-rows: auto 1fr; }
.modelo__foto { aspect-ratio: 4 / 3; background: var(--gris); }
.modelo__foto img { width: 100%; height: 100%; object-fit: cover; }
.modelo__foto img.contener { object-fit: contain; padding: 0.5rem; background: #fff; }
.modelo__texto { padding: 1.3rem; display: grid; gap: 0.8rem; align-content: start; }
.modelo h3 { font-size: 1.5rem; }
.modelo__precio { font: 700 1.35rem/1.1 var(--display); color: var(--tinta); }
.modelo__precio small { display: block; font: 600 0.6875rem/1.4 var(--texto); letter-spacing: 0.14em; text-transform: uppercase; color: var(--tinta-suave); }
.modelo dl { margin: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 0.6rem 1rem; }
.modelo dt { font-size: 0.6875rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--tinta-suave); }
.modelo dd { margin: 0; font-weight: 600; }
.modelo ul { margin: 0; padding-left: 1.1rem; color: var(--tinta-suave); font-size: 0.9375rem; }
.modelo__plano { justify-self: start; font: 700 0.75rem/1 var(--texto); letter-spacing: 0.12em; text-transform: uppercase; background: none; border: 0; padding: 0; border-bottom: 1px solid currentColor; cursor: pointer; color: var(--tinta); }

/* ----- amenidades */
.amenidades { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(13rem, 1fr)); gap: 0.8rem; }
.amenidades li { display: flex; gap: 0.75rem; align-items: center; padding: 1rem 1.1rem; background: var(--papel); border-radius: var(--r); border: 1px solid var(--linea); font-weight: 600; }
.amenidades li::before { content: ""; flex: 0 0 0.6rem; height: 0.6rem; border-radius: 50%; background: var(--acento); }

/* ----- plan de pagos */
.pagos { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr); gap: clamp(2rem, 5vw, 4rem); align-items: start; }
.pagos__cifra { font: 700 clamp(2.4rem, 1.6rem + 2.6vw, 4rem)/1 var(--display); }
.pagos__cifra small { font: 600 0.8125rem var(--texto); letter-spacing: 0.14em; color: var(--tinta-suave); margin-left: 0.4rem; }
.pagos ol { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(8rem, 1fr)); gap: 0.8rem; }
.pagos li { border-top: 3px solid var(--tinta); padding-top: 0.6rem; display: grid; gap: 0.2rem; color: var(--tinta-suave); font-size: 0.875rem; }
.pagos li b { font: 700 1.2rem/1.1 var(--display); color: var(--tinta); }
.pagos__nota { margin-top: 1rem; font-size: 0.8125rem; color: var(--tinta-suave); }
@media (max-width: 860px) { .pagos { grid-template-columns: 1fr; } }

/* ----- ubicación */
.ubicacion { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); gap: clamp(2rem, 4vw, 3.5rem); align-items: start; }
.ubicacion__mapa { aspect-ratio: 4 / 3; border-radius: var(--r); overflow: hidden; background: var(--gris); box-shadow: var(--sombra); }
.ubicacion__lista { list-style: none; margin: 1.2rem 0 0; padding: 0; display: grid; gap: 0.6rem; }
.ubicacion__lista li { display: flex; justify-content: space-between; gap: 1rem; padding-bottom: 0.6rem; border-bottom: 1px solid var(--linea); }
.ubicacion__lista span:last-child { color: var(--tinta-suave); white-space: nowrap; }
.ubicacion__como { margin-top: 1.2rem; }
.pin-landing { width: 22px; height: 22px; border-radius: 50%; background: var(--acento); border: 4px solid #fff; box-shadow: 0 0 0 10px rgba(171,155,128,0.28); }
@media (max-width: 860px) { .ubicacion { grid-template-columns: 1fr; } }

/* ----- contacto */
.contacto { background: var(--tinta); color: #fff; }
.contacto .cuerpo { color: #C3C8CC; }
.contacto__grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(2rem, 5vw, 4.5rem); align-items: start; }
.contacto__canales { display: grid; gap: 0.9rem; margin-top: 1.6rem; justify-items: start; }
.contacto__canales a:not(.boton) { color: #fff; font-weight: 600; text-decoration: none; border-bottom: 1px solid rgba(255,255,255,0.35); }
.forma { display: grid; gap: 0.9rem; background: #fff; color: var(--tinta); border-radius: var(--r); padding: clamp(1.3rem, 3vw, 2rem); }
.forma label { display: grid; gap: 0.35rem; font-size: 0.8125rem; font-weight: 600; }
.forma input, .forma select, .forma textarea { font: inherit; font-size: 1rem; padding: 0.75rem 0.85rem; border: 1px solid #B9BDB8; border-radius: 4px; background: #fff; color: var(--tinta); width: 100%; }
.forma__casilla { display: flex !important; gap: 0.6rem; align-items: flex-start; font-weight: 400 !important; }
.forma__casilla input { width: auto; margin-top: 0.2rem; }
.forma .boton { justify-self: start; }
@media (max-width: 860px) { .contacto__grid { grid-template-columns: 1fr; } }

/* ----- pie */
.pie { background: #1B201E; color: #A9AFB3; font-size: 0.8125rem; padding-block: 2rem 6rem; }
.pie .envoltura { display: grid; gap: 0.8rem; }
.pie a { color: #fff; }
.pie__fila { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.8rem 2rem; align-items: center; }
.pie__grupo { display: flex; align-items: center; gap: 0.8rem; text-decoration: none; color: #fff; }
.pie__grupo img { height: 1.5rem; width: auto; filter: brightness(0) invert(1); opacity: 0.9; }
@media (min-width: 861px) { .pie { padding-bottom: 2rem; } }

/* ----- barra fija en celular */
.barra-movil { position: fixed; inset: auto 0 0; z-index: 40; display: grid; grid-template-columns: 1fr 1fr; gap: 0.5rem; padding: 0.6rem 0.75rem calc(0.6rem + env(safe-area-inset-bottom)); background: rgba(255,255,255,0.97); box-shadow: 0 -1px 0 var(--linea), 0 -8px 24px rgba(0,0,0,0.08); }
.barra-movil .boton { min-height: 46px; padding-inline: 0.6rem; font-size: 0.75rem; }
@media (min-width: 861px) { .barra-movil { display: none; } }

/* reveal on scroll, quietly */
.aparece { opacity: 0; transform: translateY(18px); transition: opacity 0.7s var(--e, ease), transform 0.7s cubic-bezier(0.23, 1, 0.32, 1); }
.aparece.visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .aparece { opacity: 1; transform: none; } }

/* ----- preguntas */
.preguntas details { border-top: 1px solid var(--linea); }
.preguntas details:last-child { border-bottom: 1px solid var(--linea); }
.preguntas summary { list-style: none; cursor: pointer; padding: 1.1rem 2.5rem 1.1rem 0; position: relative; font: 700 1.125rem/1.35 var(--display); }
.preguntas summary::-webkit-details-marker { display: none; }
.preguntas summary::after { content: "+"; position: absolute; right: 0.3rem; top: 50%; transform: translateY(-50%); font: 300 1.8rem/1 var(--texto); color: var(--acento-texto); }
.preguntas details[open] summary::after { content: "–"; }
.preguntas details p { padding-bottom: 1.2rem; }