/* Tabique · arquitectura e interiores (demo). Concreto cálido, negro carbón, madera natural y un acento oliva.
   Tipografía: Syne (titulares), Geist (texto) y Geist Mono (rótulos técnicos). Rejilla visible y líneas finas. Primero el teléfono. */

:root {
  --hormigon: #dcd9d3;
  --hormigon-2: #d1cdc6;
  --hormigon-3: #bfbab2;
  --blanco: #eceae5;
  --tinta: #171615;
  --tinta-2: #2b2a27;
  --gris: #5d5953;
  --gris-claro: #a29d95;
  --madera: #a87a4f;
  --oliva: #6b6f2c;
  --oliva-txt: #535619;
  --oliva-claro: #bcc070;
  --linea: rgb(23 22 21 / .13);
  --linea-2: rgb(23 22 21 / .3);
  --ease: cubic-bezier(.16, 1, .3, 1);
  --display: "Syne", "Arial Narrow", system-ui, sans-serif;
  --texto: "Geist", system-ui, sans-serif;
  --mono: "Geist Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --cab-h: 60px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: clip; }
body { margin: 0; background: var(--hormigon); color: var(--tinta); font: 400 1rem/1.6 var(--texto); -webkit-font-smoothing: antialiased; overflow-x: clip; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
h1, h2, h3, p, ul, ol, dl, dd, figure, fieldset { margin: 0; }
ul, ol { padding: 0; list-style: none; }
fieldset { border: 0; padding: 0; min-width: 0; }
legend { padding: 0; }
button, input, select { font: inherit; color: inherit; }
.envoltura { width: min(1240px, 100% - 32px); margin-inline: auto; }
/* textura de concreto y rejilla de columnas */
body::after { content: ""; position: fixed; inset: 0; z-index: 90; pointer-events: none; opacity: .16; mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='180' height='180'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 .45 0 0 0 0 .44 0 0 0 0 .42 0 0 0 .55 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>"); }
.rejilla { position: fixed; inset: 0 16px; z-index: -1; pointer-events: none;
  background: repeating-linear-gradient(90deg, rgb(23 22 21 / .07) 0 1px, transparent 1px calc((100% - 1px) / 4)); border-right: 1px solid rgb(23 22 21 / .07); }
@media (min-width: 900px) { .rejilla { inset: 0 max(32px, (100% - 1240px) / 2); background: repeating-linear-gradient(90deg, rgb(23 22 21 / .06) 0 1px, transparent 1px calc((100% - 1px) / 12)); } }

/* ---------- Tipos ---------- */
.rotulo { display: flex; align-items: center; gap: .6rem; margin-bottom: 1rem; font: 500 .7rem/1.3 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--gris); }
.rotulo b { font-weight: 600; color: var(--tinta); padding: .15rem .4rem; border: 1px solid var(--linea-2); }
.titulo-sec, .titulo-fase { font-family: var(--display); font-weight: 700; font-size: clamp(2.3rem, 10vw, 5rem); line-height: .98; letter-spacing: -.035em; text-wrap: balance; }
.titulo-sec em, .titulo-fase em { font-style: normal; color: var(--oliva); }
.sec-cab { display: grid; gap: .2rem; margin-bottom: 2rem; }
.sec-bajada { max-width: 46ch; color: var(--gris); margin-top: .9rem; }
.nota { color: var(--gris); font-size: .8rem; margin-top: .8rem; }

/* ---------- Botones ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .55rem; height: 50px; padding: 0 1.4rem; border-radius: 2px; border: 0; cursor: pointer; font-weight: 600; font-size: .92rem; letter-spacing: -.005em; text-decoration: none;
  transition: transform .35s var(--ease), background-color .25s, color .25s, box-shadow .25s; }
.btn:active { transform: scale(.97); }
.btn svg { width: 20px; height: 20px; }
.btn-oscuro { background: var(--tinta); color: var(--blanco); }
.btn-oscuro:hover { background: var(--oliva); }
.btn-claro { background: var(--blanco); color: var(--tinta); }
.btn-claro:hover { background: var(--oliva-claro); }
.btn-borde { box-shadow: inset 0 0 0 1px var(--tinta); background: rgb(220 217 211 / .7); -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); }
.btn-borde:hover { background: var(--tinta); color: var(--blanco); }
.btn-sm { height: 40px; padding: 0 1rem; font-size: .84rem; }
.btn-lg { height: 56px; padding: 0 1.8rem; font-size: 1rem; }
:focus-visible { outline: 2px solid var(--oliva); outline-offset: 3px; }

/* ---------- Carga: lámina técnica ---------- */
.carga { position: fixed; inset: 0; z-index: 100; display: grid; place-items: center; background: var(--hormigon);
  background-image: linear-gradient(rgb(23 22 21 / .05) 1px, transparent 1px), linear-gradient(90deg, rgb(23 22 21 / .05) 1px, transparent 1px); background-size: 24px 24px; }
.carga-lamina { width: min(78vw, 400px); display: grid; gap: .6rem; transform: translateY(-6vh); }
.carga-rotulo { display: flex; justify-content: space-between; font: 500 .66rem var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--gris); border-bottom: 1px solid var(--linea-2); padding-bottom: .4rem; }
.carga-rotulo span:first-child { color: var(--tinta); font-weight: 600; }
.carga-plano { width: 100%; height: auto; overflow: visible; }
.carga-plano * { fill: none; stroke: var(--tinta); stroke-linecap: square; }
.carga-plano .muros-plano path { stroke-width: 6; }
.carga-plano .fino * { stroke-width: 1.2; }
.carga-plano .cotas path, .carga-plano .norte * { stroke-width: .9; stroke: var(--oliva); }
.carga-plano .corte { stroke-width: 1; stroke-dasharray: 5 4; opacity: 0; animation: aparece .6s 1.1s forwards; }
.carga-plano .txt { fill: var(--oliva-txt); stroke: none; font: 600 10px var(--mono); text-anchor: middle; opacity: 0; animation: aparece .5s calc(.3s + var(--i) * 85ms) forwards; }
.carga-plano .txt.peq { font-size: 7.5px; letter-spacing: .1em; fill: var(--gris); }
.carga-plano .tr { stroke-dasharray: 1; stroke-dashoffset: 1; animation: trazo .9s calc(var(--i) * 85ms) var(--ease) forwards; }
@keyframes trazo { to { stroke-dashoffset: 0; } }
@keyframes aparece { to { opacity: 1; } }
.carga-num { display: flex; justify-content: space-between; align-items: baseline; font: 500 .7rem var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--gris); border-top: 1px solid var(--linea-2); padding-top: .4rem; }
.carga-num b { margin-left: auto; font: 700 1.3rem var(--display); color: var(--tinta); letter-spacing: -.02em; }
html:not(.js) .carga { display: none; }

/* ---------- Cabecera ---------- */
.cab { position: fixed; inset: 0 0 auto; z-index: 50; height: var(--cab-h); display: flex; align-items: center; gap: 1rem; padding: 0 16px; transition: background-color .4s, box-shadow .4s; }
.cab.solida { background: rgb(220 217 211 / .86); -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px); box-shadow: 0 1px 0 var(--linea); }
.marca { display: inline-flex; align-items: center; gap: .55rem; text-decoration: none; font: 700 1.4rem/1 var(--display); letter-spacing: -.045em; }
.marca svg { width: 24px; height: 24px; }
.cab-nav { display: none; gap: 1.8rem; margin-left: auto; }
.cab-nav a { text-decoration: none; font: 500 .74rem var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--gris); }
.cab-nav a:hover { color: var(--tinta); }
.cab .btn { margin-left: auto; }
@media (min-width: 900px) { .cab { padding: 0 32px; } .cab-nav { display: flex; } .cab .btn { margin-left: 1.6rem; } }

/* ---------- Inicio ---------- */
.inicio { position: relative; height: 420vh; }
.inicio-fijo { position: sticky; top: 0; height: 100vh; height: 100svh; overflow: hidden; }
.sala-host { position: absolute; inset: 0; background-image: linear-gradient(rgb(23 22 21 / .05) 1px, transparent 1px), linear-gradient(90deg, rgb(23 22 21 / .05) 1px, transparent 1px); background-size: 32px 32px; background-position: center; }
.sala { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.sala-respaldo { position: absolute; left: 16px; right: 16px; bottom: 96px; height: 42%; width: calc(100% - 32px); object-fit: cover; opacity: 0; display: none; }
.sin-3d .sala-respaldo { display: block; opacity: 1; }
.sin-3d .sala, .sin-3d .regla, .sin-3d .etiquetas, .sin-3d .n-3d, .n-foto { display: none; }
.sin-3d .n-foto { display: inline; }
.sin-3d .inicio-nota { opacity: 1 !important; visibility: visible !important; bottom: calc(74px + env(safe-area-inset-bottom)); left: 16px; right: auto; top: auto; }
.etiquetas { position: absolute; inset: 0; pointer-events: none; z-index: 2; }
.etq { position: absolute; left: 0; top: 0; display: grid; padding: .35rem .6rem; background: rgb(236 234 229 / .93); border-left: 2px solid var(--oliva); font: 500 .6rem/1.35 var(--mono); letter-spacing: .06em; text-transform: uppercase; white-space: nowrap; visibility: hidden; opacity: 0; box-shadow: 0 10px 24px -14px rgb(23 22 21 / .5); }
.etq::before { content: ""; position: absolute; left: -22px; top: 100%; width: 22px; height: 22px; background: linear-gradient(to top right, transparent calc(50% - .7px), var(--tinta) 50%, transparent calc(50% + .7px)); }
.etq::after { content: ""; position: absolute; left: -26px; top: calc(100% + 18px); width: 8px; height: 8px; border-radius: 50%; background: var(--tinta); box-shadow: 0 0 0 3px rgb(236 234 229 / .9); }
.etq.izq { border-left: 0; border-right: 2px solid var(--oliva); text-align: right; }
.etq.izq::before { left: 100%; background: linear-gradient(to top left, transparent calc(50% - .7px), var(--tinta) 50%, transparent calc(50% + .7px)); }
.etq.izq::after { left: calc(100% + 18px); }
.etq span { color: var(--gris); }
.etq b { font-weight: 600; color: var(--tinta); }
.fase { position: absolute; left: 16px; right: 16px; z-index: 3; }
.fase-1 { top: calc(var(--cab-h) + 10px); }
.titulo { font-family: var(--display); font-weight: 700; font-size: clamp(4rem, 21.5vw, 9rem); line-height: .9; letter-spacing: -.055em; margin-left: -.03em; white-space: nowrap; }
.titulo .l { display: inline-block; }
.fase-1 .rotulo { margin-bottom: .6rem; }
.fase-1 .bajada { margin-top: .8rem; max-width: 36ch; color: var(--tinta-2); font-size: .95rem; line-height: 1.5; }
.acciones { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 1.1rem; }
.acciones .btn { height: 46px; padding: 0 1.1rem; }
.fase-final { top: calc(var(--cab-h) + 14px); opacity: 0; visibility: hidden; }
.fase-final .titulo-fase { font-size: clamp(2.3rem, 10.5vw, 4.6rem); margin-bottom: 1rem; }
.etapas { display: none; }
.regla { position: absolute; left: 16px; right: 16px; bottom: calc(18px + env(safe-area-inset-bottom)); z-index: 3; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: .7rem; font: 600 .62rem var(--mono); letter-spacing: .12em; text-transform: uppercase; }
.regla-ext { color: var(--gris); transition: color .3s; }
.regla-ext.activo { color: var(--tinta); }
.regla-pista { position: relative; height: 18px; background: repeating-linear-gradient(90deg, var(--linea-2) 0 1px, transparent 1px 12.5%) bottom / 100% 6px no-repeat; border-bottom: 1px solid var(--tinta); }
.regla-llena { position: absolute; left: 0; bottom: -1px; height: 3px; width: 100%; background: var(--oliva); transform-origin: left; transform: scaleX(0); }
.regla-cursor { position: absolute; left: 0; bottom: -6px; width: 11px; height: 11px; margin-left: -5px; background: var(--tinta); }
.regla-cursor em span { display: inline-block; }
.regla-cursor em { position: absolute; bottom: 20px; left: 50%; transform: translateX(var(--dx, -50%)); padding: .3rem .5rem; background: var(--tinta); color: var(--blanco); font-style: normal; white-space: nowrap; letter-spacing: .08em; }
.inicio-nota { position: absolute; right: 16px; bottom: calc(70px + env(safe-area-inset-bottom)); z-index: 3; font: 500 .58rem var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--gris); }
@media (min-width: 900px) {
  .fase-1 { top: auto; bottom: 16vh; left: max(32px, (100% - 1240px) / 2); right: auto; max-width: 40vw; }
  .titulo { font-size: min(9vw, 9rem); }
  .fase-final { top: auto; bottom: 16vh; left: max(32px, (100% - 1240px) / 2); right: auto; max-width: 30vw; }
  .etapas { display: grid; position: absolute; z-index: 3; left: max(32px, (100% - 1240px) / 2); top: 50%; transform: translateY(-50%); gap: .1rem; counter-reset: e -1; font: 500 .74rem var(--mono); letter-spacing: .08em; text-transform: uppercase; opacity: 0; visibility: hidden; }
  .etapas li { counter-increment: e; display: flex; gap: .8rem; align-items: center; padding: .45rem 0; color: var(--gris-claro); border-bottom: 1px solid var(--linea); min-width: 250px; transition: color .3s; }
  .etapas li::before { content: counter(e, decimal-leading-zero); color: inherit; }
  .etapas li.hecho { color: var(--gris); }
  .etapas li.hecho::after { content: "✓"; margin-left: auto; color: var(--oliva); }
  .etapas li.actual { color: var(--tinta); font-weight: 600; }
  .regla { left: 50%; right: auto; width: min(760px, 56vw); transform: translateX(-36%); bottom: 32px; }
  .inicio-nota { right: max(32px, (100% - 1240px) / 2); top: calc(var(--cab-h) + 20px); bottom: auto; }
  .etq { font-size: .68rem; }
}

/* ---------- Servicios ---------- */
.servicios { padding: 14vh 0 10vh; }
.servicios-lista { display: grid; border-top: 1px solid var(--tinta); }
.serv { position: relative; display: grid; grid-template-columns: 64px 1fr; gap: .3rem 1.1rem; padding: 1.6rem 0 1.5rem; border-bottom: 1px solid var(--linea-2); }
.serv-cod { position: absolute; right: 0; top: 1.6rem; font: 500 .66rem var(--mono); letter-spacing: .1em; color: var(--gris); }
.serv-dib { grid-row: span 3; width: 64px; height: 64px; fill: none; stroke: var(--tinta); stroke-width: 1.3; }
.serv h3 { font: 700 1.45rem/1.1 var(--display); letter-spacing: -.03em; padding-right: 3rem; }
.serv p { color: var(--gris); font-size: .93rem; }
.serv-inc { display: flex; flex-wrap: wrap; gap: .35rem; margin-top: .5rem; }
.serv-inc li { font: 500 .66rem var(--mono); letter-spacing: .06em; text-transform: uppercase; padding: .3rem .5rem; border: 1px solid var(--linea-2); }
@media (min-width: 900px) {
  .servicios .sec-cab { grid-template-columns: 1fr 1fr; align-items: end; column-gap: 4rem; }
  .servicios .sec-cab .rotulo { grid-column: 1 / -1; }
  .servicios-lista { grid-template-columns: repeat(4, 1fr); border-bottom: 1px solid var(--tinta); }
  .serv { grid-template-columns: 1fr; padding: 1.8rem 1.6rem 2.2rem; border-bottom: 0; border-right: 1px solid var(--linea-2); align-content: start; }
  .serv:last-child { border-right: 0; }
  .serv-dib { grid-row: auto; width: 80px; height: 80px; margin-bottom: 1.6rem; }
  .serv-cod { right: 1.6rem; }
}

/* ---------- Materiales ---------- */
.materiales { padding: 8vh 0 14vh; background: var(--hormigon-2); border-top: 1px solid var(--linea); border-bottom: 1px solid var(--linea); }
.materiales-grid { display: block; }
.mb-vista { position: sticky; top: calc(var(--cab-h) + 4px); z-index: 4; height: 40vh; height: 40svh; min-height: 250px; margin: 0 -16px 1.2rem; border-block: 1px solid var(--tinta); background: var(--hormigon); overflow: hidden; }
.mb-vista .sala-host { background-size: 24px 24px; }
.mb-corte { display: none; position: absolute; inset: 10% 6% 18%; width: 88%; height: auto; }
.sin-3d .mb-corte { display: block; }
.mb-corte .mb-c-muro { fill: var(--mb-muro, #ebe6dc); transition: fill .6s; }
.mb-corte .mb-c-piso { fill: var(--mb-piso, #c49e74); transition: fill .6s; }
.mb-corte .mb-c-carp { fill: var(--mb-carp, #c39a6c); transition: fill .6s; }
.mb-ficha { position: absolute; left: 0; right: 0; bottom: 0; z-index: 2; display: flex; flex-wrap: wrap; gap: .1rem .9rem; padding: .45rem 16px; background: rgb(236 234 229 / .9); border-top: 1px solid var(--linea-2); font: 500 .58rem/1.5 var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--gris); }
.mb-ficha b { color: var(--tinta); font-weight: 600; }
.mb-opciones { display: grid; gap: 1.5rem; }
.mb-opciones legend { display: flex; gap: .5rem; align-items: center; margin-bottom: .65rem; font: 600 .7rem var(--mono); letter-spacing: .14em; text-transform: uppercase; }
.mb-opciones legend b { font-weight: 600; color: var(--gris); }
.muestras { display: grid; grid-template-columns: repeat(4, 1fr); gap: .5rem; }
.muestra { position: relative; display: grid; gap: .35rem; cursor: pointer; }
.muestra input { position: absolute; opacity: 0; pointer-events: none; }
.m-tile { position: relative; display: block; aspect-ratio: 1.45; background: var(--c, #ccc); box-shadow: inset 0 0 0 1px var(--linea-2); transition: transform .35s var(--ease), box-shadow .25s; }
.m-tile::after { content: ""; position: absolute; right: 5px; top: 5px; width: 16px; height: 16px; background: var(--tinta) url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'><path d='M4 8.5l2.5 2.5L12 5.5' fill='none' stroke='%23eceae5' stroke-width='2'/></svg>") center / 14px no-repeat; transform: scale(0); transition: transform .3s var(--ease); }
.m-n { font: 500 .62rem/1.3 var(--mono); letter-spacing: .04em; text-transform: uppercase; color: var(--gris); }
.muestra input:checked + .m-tile { box-shadow: inset 0 0 0 2px var(--tinta), 0 0 0 3px var(--hormigon-2), 0 0 0 4px var(--tinta); }
.muestra input:checked + .m-tile::after { transform: scale(1); }
.muestra input:checked ~ .m-n { color: var(--tinta); font-weight: 600; }
.muestra input:focus-visible + .m-tile { outline: 2px solid var(--oliva); outline-offset: 5px; }
.muestra:hover .m-tile { transform: translateY(-2px); }
.m-roble { background: repeating-linear-gradient(0deg, #8a6038 0 1px, transparent 1px 25%), repeating-linear-gradient(90deg, transparent 0 3px, rgb(120 80 45 / .12) 3px 4px), linear-gradient(90deg, #c8a07a, #b98e62 40%, #c9a47c); }
.m-nogal { background: repeating-linear-gradient(0deg, #2c1a0f 0 1px, transparent 1px 25%), repeating-linear-gradient(90deg, transparent 0 3px, rgb(30 18 10 / .18) 3px 4px), linear-gradient(90deg, #77513a, #634330 45%, #7a5640); }
.m-porcelanato { background: linear-gradient(#a8a29a 0 0) 50% 0 / 1px 100% no-repeat, linear-gradient(#a8a29a 0 0) 0 50% / 100% 1px no-repeat, radial-gradient(circle at 30% 30%, #e4e1db, #d2cec7); }
.m-micro { background: radial-gradient(circle at 25% 30%, rgb(255 255 255 / .25), transparent 40%), radial-gradient(circle at 75% 70%, rgb(90 84 76 / .25), transparent 45%), #aaa49b; }
.m-veta { background: repeating-linear-gradient(90deg, transparent 0 4px, rgb(110 72 40 / .16) 4px 5px, transparent 5px 9px), linear-gradient(90deg, #c69e70, #b98f60 50%, #c7a073); }
.m-luz { background: radial-gradient(circle at 50% 40%, #fff 0 8%, var(--c) 22%, rgb(23 22 21 / 0) 62%), var(--tinta-2); }
@media (max-width: 899px) { .mb-opciones { padding-bottom: 5rem; } }
@media (min-width: 900px) {
  .materiales { padding: 14vh 0; }
  .materiales-grid { display: grid; grid-template-columns: 1.35fr 1fr; column-gap: 4rem; align-items: start; }
  .mat-cab { grid-column: 2; grid-row: 1; }
  .mb-vista { grid-column: 1; grid-row: 1 / span 2; top: calc(var(--cab-h) + 24px); height: calc(100vh - var(--cab-h) - 48px); margin: 0; border: 1px solid var(--tinta); }
  .mb-ficha { padding: .6rem 1rem; font-size: .66rem; }
  .mb-opciones { grid-column: 2; }
}

/* ---------- Cotizador ---------- */
.cotizador { padding: 14vh 0; }
.cot-cuerpo { display: grid; gap: 1.2rem; }
.cot-form { display: grid; gap: 1.4rem; }
.cot-form legend, .cot-area label { display: block; margin-bottom: .6rem; font: 600 .7rem var(--mono); letter-spacing: .14em; text-transform: uppercase; }
.cot-tipos { display: grid; grid-template-columns: 1fr 1fr; gap: .45rem; }
.cot-niveles { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--tinta); }
.cot-tipos label, .cot-niveles label { position: relative; cursor: pointer; }
.cot-tipos input, .cot-niveles input { position: absolute; opacity: 0; pointer-events: none; }
.cot-tipos span { display: flex; align-items: center; min-height: 54px; padding: .5rem .85rem; border: 1px solid var(--linea-2); background: var(--blanco); font-weight: 600; font-size: .9rem; line-height: 1.2; transition: background-color .25s, color .25s, border-color .25s; }
.cot-tipos input:checked + span { background: var(--tinta); color: var(--blanco); border-color: var(--tinta); }
.cot-niveles span { display: grid; place-items: center; height: 46px; font-weight: 600; font-size: .9rem; transition: background-color .25s, color .25s; }
.cot-niveles label + label span { border-left: 1px solid var(--tinta); }
.cot-niveles input:checked + span { background: var(--tinta); color: var(--blanco); }
.cot-tipos input:focus-visible + span, .cot-niveles input:focus-visible + span { outline: 2px solid var(--oliva); outline-offset: 2px; }
.cot-area-cab { display: flex; justify-content: space-between; align-items: baseline; }
.cot-area output { font: 700 2rem/1 var(--display); letter-spacing: -.03em; font-variant-numeric: tabular-nums; }
.cot-area input[type=range] { -webkit-appearance: none; appearance: none; width: 100%; height: 36px; margin: .2rem 0 0; background: transparent; cursor: pointer; --p: 25%; }
.cot-area input[type=range]::-webkit-slider-runnable-track { height: 3px; background: linear-gradient(90deg, var(--oliva) var(--p), var(--linea-2) var(--p)); }
.cot-area input[type=range]::-moz-range-track { height: 3px; background: linear-gradient(90deg, var(--oliva) var(--p), var(--linea-2) var(--p)); }
.cot-area input[type=range]::-webkit-slider-thumb { -webkit-appearance: none; width: 22px; height: 22px; margin-top: -9.5px; background: var(--tinta); border: 3px solid var(--hormigon); box-shadow: 0 0 0 1px var(--tinta); }
.cot-area input[type=range]::-moz-range-thumb { width: 18px; height: 18px; border-radius: 0; background: var(--tinta); border: 3px solid var(--hormigon); }
.cot-area-pie { display: flex; justify-content: space-between; font: 500 .62rem var(--mono); color: var(--gris); letter-spacing: .06em; }
.cot-resultado { display: grid; gap: .7rem; padding: 1.3rem 1.2rem 1.4rem; background: var(--tinta); color: var(--blanco); }
.cot-resultado .rotulo { color: var(--gris-claro); margin: 0; }
.cot-rango { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: .6rem; font-variant-numeric: tabular-nums; }
.cot-rango b { font: 700 clamp(1.35rem, 6.3vw, 2.4rem)/1 var(--display); letter-spacing: -.03em; white-space: nowrap; }
.cot-cota { position: relative; height: 1px; background: var(--oliva-claro); }
.cot-cota::before, .cot-cota::after { content: ""; position: absolute; top: -6px; width: 1px; height: 13px; background: var(--oliva-claro); }
.cot-cota::before { left: 0; } .cot-cota::after { right: 0; }
.cot-detalle { font: 500 .7rem/1.5 var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--oliva-claro); }
.cot-incluye { font-size: .86rem; color: #c4c0b8; }
.cot-aviso { font-size: .8rem; color: var(--gris-claro); padding-top: .7rem; border-top: 1px solid rgb(236 234 229 / .15); }
.cot-resultado .btn { justify-self: start; margin-top: .2rem; }
@media (min-width: 900px) {
  .cot-grid .sec-cab { grid-template-columns: 1fr 1fr; align-items: end; column-gap: 4rem; margin-bottom: 3rem; }
  .cot-grid .sec-cab .rotulo { grid-column: 1 / -1; }
  .cot-cuerpo { grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: 4rem; align-items: start; }
  .cot-resultado { position: sticky; top: calc(var(--cab-h) + 24px); padding: 1.8rem; }
}

/* ---------- Proceso (scroll horizontal) ---------- */
.proceso { position: relative; height: 420vh; background: var(--tinta); color: var(--blanco); }
.proceso-fijo { position: sticky; top: 0; height: 100vh; height: 100svh; overflow: hidden; display: grid; grid-template-columns: minmax(0, 1fr); grid-template-rows: auto 1fr auto; padding: calc(var(--cab-h) + 3vh) 0 4vh; }
.proceso .rotulo { color: var(--gris-claro); }
.proceso .rotulo b { color: var(--blanco); border-color: rgb(236 234 229 / .3); }
.proceso .titulo-sec em { color: var(--oliva-claro); }
.proceso-pista { display: flex; gap: 14px; padding: 3vh 16px 0; will-change: transform; align-self: center; }
.paso { flex: none; width: min(80vw, 400px); display: grid; align-content: start; gap: .6rem; padding: 1.2rem; border: 1px solid rgb(236 234 229 / .22); background: rgb(236 234 229 / .03); }
.paso-num { display: flex; justify-content: space-between; font: 500 .66rem var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--gris-claro); }
.paso-num b { font: 700 1.5rem/1 var(--display); color: var(--oliva-claro); letter-spacing: -.02em; }
.paso-dib { width: 100%; height: auto; margin: .4rem 0; fill: none; stroke: var(--blanco); stroke-width: 1.2; }
.paso-dib text { fill: var(--oliva-claro); stroke: none; font: 500 9px var(--mono); }
.paso-dib .tr { stroke-dasharray: 1; stroke-dashoffset: var(--d, 1); }
.paso h3 { font: 700 1.6rem/1.05 var(--display); letter-spacing: -.03em; }
.paso p { color: #bdb8af; font-size: .92rem; }
.paso-dur { justify-self: start; margin-top: .3rem; font: 500 .64rem var(--mono); letter-spacing: .08em; text-transform: uppercase; padding: .3rem .5rem; border: 1px solid rgb(236 234 229 / .25); color: var(--oliva-claro); }
.proceso-pie { display: flex; align-items: center; gap: 1rem; }
.proceso-avance { flex: 1; height: 1px; background: rgb(236 234 229 / .2); }
.proceso-avance i { display: block; height: 3px; margin-top: -1px; background: var(--oliva-claro); transform-origin: left; transform: scaleX(0); }
.proceso-cuenta { font: 500 .7rem var(--mono); letter-spacing: .1em; color: var(--gris-claro); }
@media (max-height: 700px) and (max-width: 899px) { .paso-dib { max-height: 24vh; } .paso p { font-size: .86rem; } }
@media (min-width: 900px) { .proceso-pista { gap: 24px; padding-left: max(32px, (100vw - 1240px) / 2); } .paso { width: 380px; padding: 1.6rem; } }

/* ---------- Galería ---------- */
.galeria { padding: 14vh 0 10vh; }
.gal-aviso { padding-left: .8rem; border-left: 2px solid var(--oliva); }
.gal-grid { display: grid; grid-template-columns: 1fr 1fr; grid-auto-flow: dense; gap: 10px; }
.gal-item { position: relative; overflow: hidden; background: var(--hormigon-3); }
.gal-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s var(--ease); }
.gal-item:hover img { transform: scale(1.04); }
.gal-item figcaption { position: absolute; left: 0; right: 0; bottom: 0; display: flex; flex-wrap: wrap; align-items: baseline; gap: .1rem .5rem; padding: 1.8rem .7rem .6rem; background: linear-gradient(transparent, rgb(23 22 21 / .78)); color: var(--blanco); font: 600 .8rem/1.3 var(--texto); }
.gal-item figcaption b { font: 500 .62rem var(--mono); letter-spacing: .1em; color: var(--oliva-claro); }
.gal-item figcaption span { width: 100%; font: 500 .56rem var(--mono); letter-spacing: .1em; text-transform: uppercase; color: #cfcac2; }
.g-1, .g-3, .g-6 { grid-column: span 2; aspect-ratio: 3 / 2; }
.g-2, .g-4, .g-5 { aspect-ratio: 3 / 4; }
.g-5 { grid-column: span 1; }
@media (max-width: 899px) { .g-6 { grid-column: span 1; aspect-ratio: 3 / 4; } }
@media (min-width: 900px) {
  .galeria .sec-cab { grid-template-columns: 1fr 1fr; align-items: end; column-gap: 4rem; }
  .galeria .sec-cab .rotulo { grid-column: 1 / -1; }
  .gal-grid { grid-template-columns: repeat(12, 1fr); gap: 14px; }
  .g-1, .g-3, .g-6 { grid-column: span 8; aspect-ratio: 3 / 2; }
  .g-2, .g-4, .g-5 { grid-column: span 4; aspect-ratio: auto; }
  .g-1 { order: 1; } .g-2 { order: 2; } .g-4 { order: 3; } .g-3 { order: 4; } .g-6 { order: 5; } .g-5 { order: 6; }
  .gal-item figcaption { font-size: .9rem; padding: 2.4rem 1rem .9rem; }
}

/* ---------- Visita técnica ---------- */
.visita { padding: 12vh 0 14vh; background: var(--hormigon-2); border-top: 1px solid var(--linea); }
.vis-form { display: grid; gap: 1.1rem; }
.vis-form legend, .vis-campos label { display: block; margin-bottom: .55rem; font: 600 .7rem var(--mono); letter-spacing: .14em; text-transform: uppercase; }
.vis-form legend small { font-weight: 500; color: var(--gris); letter-spacing: .06em; margin-left: .4rem; }
.vis-dias { display: flex; gap: .4rem; overflow-x: auto; scrollbar-width: none; margin: 0 -16px; padding: 2px 16px 4px; }
.vis-dias::-webkit-scrollbar { display: none; }
.vis-dia, .vis-hora { flex: none; cursor: pointer; border: 1px solid var(--linea-2); background: var(--blanco); transition: background-color .25s, color .25s, border-color .25s; }
.vis-dia { display: grid; justify-items: center; width: 62px; padding: .5rem 0 .55rem; line-height: 1.15; }
.vis-dia small { font: 500 .6rem var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--gris); }
.vis-dia b { font: 700 1.4rem/1.1 var(--display); letter-spacing: -.03em; }
.vis-horas { display: grid; grid-template-columns: repeat(4, 1fr); gap: .4rem; }
.vis-hora { height: 44px; font: 600 .9rem var(--mono); }
.vis-dia[aria-checked="true"], .vis-hora[aria-checked="true"] { background: var(--tinta); color: var(--blanco); border-color: var(--tinta); }
.vis-dia[aria-checked="true"] small { color: var(--gris-claro); }
.vis-campos { display: grid; gap: 1rem; }
.vis-campos select, .vis-campos input { display: block; width: 100%; height: 50px; margin-top: .55rem; padding: 0 .9rem; border: 1px solid var(--linea-2); border-radius: 0; background: var(--blanco); font: 500 1rem var(--texto); letter-spacing: 0; text-transform: none; color: var(--tinta); }
.vis-campos select { -webkit-appearance: none; appearance: none; background: var(--blanco) url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'><path d='M1 1l5 5 5-5' fill='none' stroke='%23171615' stroke-width='1.6'/></svg>") right 14px center / 12px no-repeat; }
.vis-campos input:focus, .vis-campos select:focus { outline: 2px solid var(--oliva); outline-offset: 0; }
.vis-ficha { display: grid; gap: .2rem; padding: .7rem .85rem; border: 1px dashed var(--linea-2); background: rgb(236 234 229 / .5); font-size: .82rem; line-height: 1.4; }
.vis-ficha p { display: grid; grid-template-columns: 84px 1fr; gap: .5rem; }
.vis-ficha span { font: 500 .6rem/1.9 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--gris); }
.vis-error { color: #8a2f1c; font-size: .86rem; font-weight: 600; }
.vis-falta { outline: 2px solid #b4553b !important; outline-offset: 2px; }
.vis-form .btn-lg { width: 100%; }
@media (min-width: 900px) {
  .visita-grid { display: grid; grid-template-columns: 1fr 1.3fr; gap: 4rem; }
  .vis-dias { margin: 0; padding: 2px 0 4px; flex-wrap: wrap; }
  .vis-campos { grid-template-columns: 1fr 1fr; }
  .vis-form .btn-lg { width: auto; justify-self: start; }
}

/* ---------- Preguntas ---------- */
.faq { padding: 14vh 0; }
.faq-lista { border-top: 1px solid var(--tinta); }
.faq details { border-bottom: 1px solid var(--linea-2); }
.faq summary { position: relative; list-style: none; cursor: pointer; padding: 1.15rem 2.6rem 1.15rem 0; font: 700 1.12rem/1.25 var(--display); letter-spacing: -.02em; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::before, .faq summary::after { content: ""; position: absolute; right: 6px; top: 50%; width: 14px; height: 1.5px; background: var(--tinta); transition: transform .4s var(--ease); }
.faq summary::after { transform: rotate(90deg); }
.faq details[open] summary::after { transform: rotate(0); }
.faq details p { padding: 0 0 1.2rem; color: var(--gris); max-width: 62ch; }
@media (min-width: 900px) { .faq-grid { display: grid; grid-template-columns: 1fr 1.4fr; gap: 4rem; } .faq summary { font-size: 1.3rem; } }

/* ---------- Estudio ---------- */
.estudio { padding: 10vh 0 14vh; }
.estudio-grid { display: grid; gap: 2.4rem; }
.mapa { position: relative; border: 1px solid var(--tinta); background: var(--blanco); }
.mapa svg { display: block; width: 100%; height: auto; }
.mapa-calles { stroke: var(--hormigon-3); stroke-width: 1; fill: none; }
.mapa-av { stroke: var(--gris-claro); stroke-width: 6; fill: none; }
.mapa-costa { stroke: var(--tinta); stroke-width: 1.2; fill: none; stroke-dasharray: 4 3; }
.mapa-pin circle:first-child { fill: rgb(107 111 44 / .18); stroke: var(--oliva); }
.mapa-pin circle:last-child { fill: var(--tinta); }
.mapa text { font: 600 11px var(--mono); letter-spacing: .1em; fill: var(--tinta); }
.mapa-norte path, .mapa-esc { stroke: var(--tinta); stroke-width: 1.2; fill: none; }
.mapa figcaption { position: absolute; left: 0; top: 0; padding: .3rem .6rem; background: var(--tinta); color: var(--blanco); font: 500 .58rem var(--mono); letter-spacing: .1em; text-transform: uppercase; }
.estado { display: inline-flex; align-items: center; gap: .6rem; margin: .4rem 0 1rem; padding: .45rem .9rem; border: 1px solid var(--oliva); color: var(--oliva-txt); font-size: .9rem; }
.estado.cerrado { border-color: var(--linea-2); color: var(--gris); }
.punto { width: 8px; height: 8px; border-radius: 50%; background: currentColor; }
.estado:not(.cerrado) .punto { animation: latido 2s infinite; }
@keyframes latido { 50% { box-shadow: 0 0 0 5px rgb(107 111 44 / .18); } }
.horario div { display: flex; justify-content: space-between; gap: 1rem; padding: .7rem 0; border-bottom: 1px solid var(--linea-2); }
.horario div.hoy dt { color: var(--tinta); font-weight: 600; }
.horario dt { color: var(--gris); }
.horario dd { font: 600 .95rem var(--mono); }
.direccion { margin-top: 1.2rem; font-weight: 600; }
.direccion span { color: var(--gris); font-size: .8rem; font-weight: 400; }
.zonas { margin-top: 1rem; color: var(--gris); font-size: .9rem; }
.zonas span { display: block; font: 600 .66rem var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--tinta); margin-bottom: .2rem; }
@media (min-width: 900px) { .estudio-grid { grid-template-columns: 1.2fr 1fr; gap: 4rem; align-items: center; } }

/* ---------- Pie ---------- */
.pie { padding: 4rem 0 8rem; background: var(--tinta); color: var(--blanco); }
.pie-marca { font: 700 clamp(4rem, 21.5vw, 15rem)/.86 var(--display); letter-spacing: -.055em; color: #34322f; white-space: nowrap; }
.pie-aviso { margin-top: 1.4rem; color: var(--gris-claro); font-size: .82rem; max-width: 76ch; }
.pie-firma { margin-top: .8rem; font-size: .9rem; }
.pie-firma a { color: var(--oliva-claro); font-weight: 600; }

/* ---------- Barra para cotizar (teléfono) ---------- */
.cotiza-barra { position: fixed; left: 10px; right: 10px; bottom: calc(10px + env(safe-area-inset-bottom)); z-index: 60; display: flex; align-items: center; gap: .6rem; padding: 7px 7px 7px 14px; max-width: 560px; margin-inline: auto;
  background: rgb(236 234 229 / .94); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); border: 1px solid var(--tinta); box-shadow: 0 18px 40px -16px rgb(23 22 21 / .55); transition: transform .5s var(--ease), opacity .3s; }
.cotiza-barra[hidden] { display: none; }
.cotiza-barra.fuera { transform: translateY(140%); opacity: 0; pointer-events: none; }
.cb-texto { flex: 1; min-width: 0; display: grid; line-height: 1.25; }
.cb-texto span { font: 500 .6rem var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--gris); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.cb-texto b { font-size: .88rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; font-variant-numeric: tabular-nums; }
@media (min-width: 900px) { .cotiza-barra { display: none !important; } }

/* ---------- Diálogo de WhatsApp (demo) ---------- */
.panel { width: min(480px, 100% - 24px); max-height: calc(100% - 24px); padding: 0; border: 1px solid var(--tinta); border-radius: 2px; background: var(--blanco); color: var(--tinta); }
.panel::backdrop { background: rgb(23 22 21 / .5); -webkit-backdrop-filter: blur(5px); backdrop-filter: blur(5px); }
.panel-in { position: relative; padding: 1.4rem 1.3rem 1.3rem; display: grid; gap: .8rem; }
.panel .rotulo { margin: 0; }
.panel h2 { font: 700 1.7rem/1.05 var(--display); letter-spacing: -.03em; padding-right: 2.4rem; }
.cerrar { position: absolute; right: 10px; top: 10px; width: 40px; height: 40px; border: 1px solid var(--linea-2); background: none; font-size: 1.5rem; line-height: 1; cursor: pointer; }
.wa-chat { padding: .9rem; border-radius: 12px; background: #0b141a; }
.wa-burbuja { margin-left: auto; max-width: 94%; padding: .65rem .85rem 1.2rem; border-radius: 12px 12px 2px 12px; background: #005c4b; color: #e9edef; font-size: .84rem; line-height: 1.45; white-space: pre-line; position: relative; }
.wa-burbuja::after { content: "✓✓"; position: absolute; right: 8px; bottom: 4px; font-size: .65rem; color: #53bdeb; }
.panel .nota { margin: 0; }
.demo-cta { padding-top: .9rem; border-top: 1px solid var(--linea-2); display: flex; align-items: center; justify-content: space-between; gap: .8rem; }
.demo-cta p { font: 700 1.05rem/1.2 var(--display); letter-spacing: -.02em; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .inicio { height: auto; }
  .inicio-fijo { position: relative; }
  .regla, .etapas { display: none !important; }
  .proceso { height: auto; }
  .proceso-fijo { position: relative; height: auto; }
  .proceso-pista { overflow-x: auto; }
  .paso-dib .tr { stroke-dashoffset: 0; }
  .carga-plano .tr { animation: none; stroke-dashoffset: 0; }
  .carga-plano .txt, .carga-plano .corte { animation: none; opacity: 1; }
}