/* Portada de Casas 3D — concepto "Del cuadriculado a la casa".
   La página es la hoja cuadriculada donde nace el croquis; lo que se entrega (maqueta y casa real) va saliendo de ella.
   Color (60-30-10): papel 60 % · tinta y plano azul 30 % · teja 10 % (solo lo que se pica). Contrastes medidos:
   tinta/papel 11.6 · tinta suave/papel 5.7 · teja oscura/papel 6.0 · blanco/teja 5.0 · blanco/plano 11.8 · mar/papel 4.9 */
:root {
  --papel: #f5efe2; --papel-2: #ebe2cf; --hoja: #fdfaf3;
  --tinta: #24313a; --tinta-2: #51606b; --teja: #b4532a; --teja-osc: #94411f; --mar: #1f6f8b; --plano: #103a5e;
  --linea: rgba(31, 111, 139, .13);
  --display: "Bricolage Grotesque", "Segoe UI", system-ui, sans-serif;
  --mano: "Caveat", "Segoe Print", "Bradley Hand", cursive;
  --txt: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  --sale: cubic-bezier(.23, 1, .32, 1); --cajon: cubic-bezier(.32, .72, 0, 1);
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 4.5rem; -webkit-text-size-adjust: 100%; overflow-x: clip; }
body {
  margin: 0; overflow-x: clip; font: 1.0625rem/1.55 var(--txt); color: var(--tinta); -webkit-tap-highlight-color: transparent;
  background:
    linear-gradient(var(--linea) 1px, transparent 1px) 0 0 / 100% 24px,
    linear-gradient(90deg, var(--linea) 1px, transparent 1px) 0 0 / 24px 100%,
    linear-gradient(rgba(31, 111, 139, .1) 1px, transparent 1px) 0 0 / 100% 120px,
    linear-gradient(90deg, rgba(31, 111, 139, .1) 1px, transparent 1px) 0 0 / 120px 100%,
    var(--papel);
}
/* Grano de papel: una sola capa fija y sin mezcla, para que el scroll no pese en celulares */
body::after { content: ""; position: fixed; inset: 0; z-index: 60; pointer-events: none; opacity: .07;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='g'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 .14 0 0 0 0 .19 0 0 0 0 .23 0 0 0 .9 0'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23g)'/%3E%3C/svg%3E"); }
img, svg, canvas { max-width: 100%; }
h1, h2, h3 { margin: 0; font-family: var(--display); font-weight: 800; line-height: 1.02; letter-spacing: -.035em; text-wrap: balance; }
h1 { font-size: clamp(2.7rem, 9.4vw + .5rem, 5.5rem); }
h2 { font-size: clamp(2.05rem, 5.2vw + .7rem, 3.9rem); }
h3 { font-size: clamp(1.35rem, 1.2vw + 1.1rem, 1.7rem); line-height: 1.1; letter-spacing: -.02em; }
p { margin: 0; text-wrap: pretty; }
a { color: inherit; }
:focus-visible { outline: 3px solid var(--mar); outline-offset: 3px; border-radius: 4px; }
.plano :focus-visible, .cierre :focus-visible, .pie :focus-visible { outline-color: #fff; }
.ancho { width: min(100% - 2rem, 72rem); margin-inline: auto; }
.tramo { padding-block: clamp(4rem, 9vw, 7.5rem); }
.mano { font-family: var(--mano); font-weight: 700; font-size: 1.55rem; line-height: 1; color: var(--teja-osc); }
.lamina { font: 700 .75rem/1 var(--txt); letter-spacing: .14em; text-transform: uppercase; color: var(--mar); }
.cab { display: grid; gap: 1rem; max-width: 46rem; margin-bottom: clamp(2rem, 5vw, 3.25rem); }
.sub { font-size: clamp(1.0625rem, .6vw + 1rem, 1.25rem); color: var(--tinta-2); max-width: 38rem; }
.chica { font-size: .875rem; color: var(--tinta-2); }
.centro { text-align: center; justify-content: center; margin-inline: auto; }

/* ───────── Botones: responden al dedo en el instante en que se oprimen */
.boton { display: inline-flex; align-items: center; justify-content: center; gap: .6em; min-height: 3.25rem; padding: .75em 1.45em; border: 0; border-radius: 999px; cursor: pointer;
  background: var(--teja); color: #fff; font: 700 1.0625rem/1.15 var(--txt); text-decoration: none; text-align: center;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .28), 0 12px 22px -12px rgba(148, 65, 31, .8); transition: transform 140ms var(--sale), background-color 160ms ease; }
.boton:active { transform: scale(.97); }
.boton.sec { background: transparent; color: inherit; box-shadow: inset 0 0 0 2px currentColor; }
.boton.chico { min-height: 2.6rem; padding: .45em 1em; font-size: .9375rem; }
.boton.grande { min-height: 3.75rem; font-size: 1.1875rem; width: 100%; }
.liga { font-weight: 700; color: var(--teja-osc); text-underline-offset: .22em; text-decoration-thickness: 2px; }
.liga.clara { color: #ffd9a8; }
.liga::after { content: " →"; }
@media (hover: hover) and (pointer: fine) {
  .boton:hover { background: var(--teja-osc); }
  .boton.sec:hover { background: var(--tinta); color: var(--papel); box-shadow: inset 0 0 0 2px var(--tinta); }
  .edicion.real .boton.sec:hover, .cierre .boton.sec:hover { background: var(--papel); color: var(--tinta); }
}

/* ───────── Barra de arriba: una capa translúcida, el contenido pasa por debajo */
.barra { position: sticky; top: 0; z-index: 40; display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: .5rem max(1rem, calc((100% - 72rem) / 2));
  background: rgba(245, 239, 226, .76); -webkit-backdrop-filter: blur(18px) saturate(170%); backdrop-filter: blur(18px) saturate(170%); border-bottom: 1px solid rgba(36, 49, 58, .09); }
.marca { font: 800 1.3rem/1 var(--display); letter-spacing: -.03em; text-decoration: none; display: grid; gap: .2rem; }
.marca small { font: 600 .6875rem/1 var(--txt); letter-spacing: .03em; color: var(--tinta-2); }
.barra nav { display: none; gap: 1.75rem; font-size: .9375rem; font-weight: 600; }
.barra nav a { text-decoration: none; color: var(--tinta-2); transition: color 160ms ease; }
@media (hover: hover) and (pointer: fine) { .barra nav a:hover { color: var(--tinta); } }
@media (min-width: 960px) { .barra nav { display: flex; } }

/* ───────── Portada */
.heroe { display: grid; gap: 2.75rem; padding-block: clamp(2.25rem, 6vw, 4.5rem) clamp(3.5rem, 8vw, 6rem); }
.heroe .lamina { margin-bottom: 1.1rem; }
.bajada { margin-top: 1.35rem; max-width: 35rem; font-size: clamp(1.0625rem, .9vw + .95rem, 1.3rem); color: var(--tinta-2); }
.acciones { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem 1.6rem; margin-top: 1.9rem; }
.nota { margin-top: 1rem; font-size: .9rem; color: var(--tinta-2); }
.mesa { position: relative; padding-top: .75rem; }
.hoja, .foto { position: relative; margin: 0; border-radius: 3px; }
.hoja { z-index: 1; width: 66%; padding: 5px; background: var(--hoja); rotate: -5deg; box-shadow: 0 0 0 1px rgba(36, 49, 58, .07), 0 20px 30px -20px rgba(36, 49, 58, .55); }
.foto { z-index: 2; width: 91%; margin: -21% 0 0 auto; padding: 7px 7px 2.6rem; background: #fff; rotate: 2.2deg; box-shadow: 0 0 0 1px rgba(36, 49, 58, .07), 0 30px 44px -26px rgba(36, 49, 58, .7); }
.foto img { display: block; width: 100%; height: auto; border-radius: 2px; }
.hoja::before, .foto::before { content: ""; position: absolute; z-index: 2; top: -11px; left: 50%; width: 5.2rem; height: 1.5rem; translate: -50% 0; rotate: -3deg; background: rgba(180, 83, 42, .5); box-shadow: 0 1px 2px rgba(36, 49, 58, .18); }
.foto::before { background: rgba(31, 111, 139, .46); rotate: 4deg; left: 72%; }
.hoja figcaption { position: absolute; left: 104%; top: 4%; white-space: nowrap; rotate: 5deg; }
.foto figcaption { position: absolute; left: 0; right: 0; bottom: .55rem; text-align: center; font-size: 1.7rem; color: var(--tinta); }
.flecha { position: absolute; z-index: 3; left: 72%; top: 12%; width: 17%; height: auto; overflow: visible; }
.croquis { display: block; width: 100%; height: auto; }
.t { fill: none; stroke: var(--tinta); stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.t.gordo { stroke-width: 2.7; } .t.fino { stroke-width: 1.1; }
.punteado { fill: none; stroke: var(--tinta); stroke-width: 1.2; stroke-dasharray: 5 5; opacity: .7; }
.cota .t, .flecha .t { stroke: var(--teja); stroke-width: 1.5; } .flecha .t { stroke-width: 4; }
.letra text { font: 700 17px var(--mano); fill: var(--tinta); } .letra .ch { font-size: 13px; } .letra.cotas text { fill: var(--teja-osc); font-size: 16px; }
@media (min-width: 1000px) {
  .heroe { grid-template-columns: minmax(0, 1fr) minmax(0, 1.06fr); align-items: center; gap: 3.5rem; }
  .hoja { width: 58%; } .foto { width: 86%; margin-top: -17%; }
  h1 { font-size: clamp(3rem, 5.1vw, 4.7rem); }
}

/* ───────── Cuadro de datos, como el de la esquina de un plano */
.cuadro { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5px; margin: 0; background: var(--tinta); border: 2px solid var(--tinta); box-shadow: 5px 5px 0 var(--tinta); }
.cuadro > div { background: var(--hoja); padding: .85rem 1rem 1rem; }
.cuadro dt { font: 700 .6875rem/1.2 var(--txt); letter-spacing: .12em; text-transform: uppercase; color: var(--mar); }
.cuadro dd { margin: .45rem 0 0; font: 800 1.05rem/1 var(--display); letter-spacing: -.02em; }
.cuadro b { font-size: 2.3rem; font-variant-numeric: tabular-nums; }
.cuadro-t { grid-column: 1 / -1; }
.cuadro-t dd { font-size: 2rem; } .cuadro-t small { display: block; margin-top: .45rem; font: 400 .9375rem/1.4 var(--txt); letter-spacing: 0; color: var(--tinta-2); }
@media (min-width: 900px) { .cuadro { grid-template-columns: 2.1fr repeat(6, 1fr); } .cuadro-t { grid-column: auto; } }

/* ───────── Tarjetas de papel recortado (borde de tinta y sombra dura) */
.pasos, .paquetes, .quien, .palomas, .obra-etapas, #ruta { list-style: none; margin: 0; padding: 0; }
.pasos { display: grid; gap: 1.4rem; counter-reset: paso; }
.pasos li, .paquetes > li, .edicion, .armar { position: relative; background: var(--hoja); border: 2px solid var(--tinta); border-radius: 16px; box-shadow: 5px 5px 0 var(--tinta); }
.pasos li { padding: 1.5rem 1.4rem 1.6rem; counter-increment: paso; }
.pasos li:nth-child(1) { rotate: -.7deg; } .pasos li:nth-child(2) { rotate: .5deg; } .pasos li:nth-child(3) { rotate: -.35deg; }
.pasos li::before { content: counter(paso); position: absolute; top: .9rem; right: 1.2rem; font: 800 3.4rem/1 var(--display); letter-spacing: -.04em; color: var(--teja); }
.pasos h3 { margin: 1rem 0 .5rem; }
.pasos p, .quien p { color: var(--tinta-2); }
.icono { display: block; width: 3.5rem; height: 3.5rem; } .icono .t { stroke-width: 2.4; }
@media (min-width: 820px) { .pasos { grid-template-columns: repeat(3, 1fr); } }

/* ───────── La obra: escena pegada que avanza con el scroll */
.obra { background: var(--papel-2); border-block: 2px solid var(--tinta); }
.obra .cab { margin-bottom: 1.1rem; }
.obra-pegada { padding-block: 4rem; }
.mov .obra { height: 430vh; }
.mov .obra-pegada { position: sticky; top: 0; height: 100vh; height: 100svh; display: grid; align-content: center; padding-block: 3.9rem .75rem; overflow: clip; }
.obra-escena { display: grid; gap: 1rem; }
.obra-lamina { position: relative; width: min(100%, 50svh * 1.3333); aspect-ratio: 4 / 3; margin-inline: auto; overflow: hidden; border: 2px solid var(--tinta); border-radius: 14px; box-shadow: 5px 5px 0 var(--tinta);
  background: linear-gradient(var(--linea) 1px, transparent 1px) 0 0 / 100% 24px, linear-gradient(90deg, var(--linea) 1px, transparent 1px) 0 0 / 24px 100%, var(--hoja); }
.obra-rx { position: absolute; inset: 0; opacity: 0; transition: opacity 280ms ease;
  background: linear-gradient(rgba(255, 255, 255, .08) 1px, transparent 1px) 0 0 / 100% 24px, linear-gradient(90deg, rgba(255, 255, 255, .08) 1px, transparent 1px) 0 0 / 24px 100%, var(--plano); }
.obra-lamina.rx .obra-rx { opacity: 1; }
.obra-lamina canvas, .obra-fija { position: absolute; inset: 0; width: 100%; height: 100%; }
.obra-lamina.viva .obra-fija { visibility: hidden; }
.obra-paso { position: absolute; left: .8rem; bottom: .6rem; right: .8rem; font-size: 1.4rem; transition: color 280ms ease; }
.obra-lamina.rx .obra-paso { color: #ffd9a8; }
.obra-etapas { display: grid; }
.obra-etapas li { grid-area: 1 / 1; opacity: 0; visibility: hidden; transition: opacity 200ms ease, visibility 0s 200ms; }
.obra-etapas li.on { opacity: 1; visibility: visible; transition: opacity 200ms ease; }
.obra-num { font: 700 .75rem/1 var(--txt); letter-spacing: .14em; text-transform: uppercase; color: var(--teja-osc); }
.obra-etapas h3 { margin: .5rem 0 .4rem; font-size: clamp(1.7rem, 3vw + 1rem, 2.6rem); }
.obra-etapas p:last-child { color: var(--tinta-2); font-size: 1rem; line-height: 1.45; }
.obra-riel { position: relative; display: flex; justify-content: space-between; margin-top: 1rem; }
.obra-riel::before, #obra-barra { content: ""; position: absolute; left: 1.2rem; right: 1.2rem; top: 50%; height: 3px; margin-top: -1.5px; background: rgba(36, 49, 58, .2); }
#obra-barra { background: var(--teja); transform-origin: 0 50%; transform: scaleX(0); }
.obra-riel button { position: relative; width: 2.6rem; height: 2.6rem; border-radius: 50%; border: 2px solid var(--tinta); background: var(--hoja); color: var(--tinta); font: 800 1rem/1 var(--display); cursor: pointer; transition: transform 140ms var(--sale), background-color 160ms ease, color 160ms ease; }
.obra-riel button:active { transform: scale(.94); }
.obra-riel button.hecha { background: var(--teja); border-color: var(--teja-osc); color: #fff; }
.obra-riel button.on { background: var(--tinta); border-color: var(--tinta); color: var(--papel); }
.obra-pista { display: none; margin-top: .9rem; font-size: .875rem; color: var(--tinta-2); }
.mov .obra-pista { display: block; }
@media (max-height: 700px) { .obra .lamina { display: none; } .obra h2 { font-size: 1.7rem; } }
@media (min-width: 1000px) {
  .obra-escena { grid-template-columns: minmax(0, 1.3fr) minmax(0, .7fr); align-items: center; gap: 3.5rem; }
  .obra-lamina { width: min(100%, 62svh * 1.3333); }
  .obra-riel { margin-top: 1.75rem; }
}

/* ───────── Instalaciones: el plano azul */
.plano { color: #e6f3fa; background: linear-gradient(rgba(255, 255, 255, .06) 1px, transparent 1px) 0 0 / 100% 24px, linear-gradient(90deg, rgba(255, 255, 255, .06) 1px, transparent 1px) 0 0 / 24px 100%, var(--plano); }
.plano h2 { color: #fff; } .plano .lamina { color: #8fd3ee; } .plano .sub, .plano .chica { color: #bcd9e8; }
.inst { display: grid; gap: 1.75rem; }
.inst-vista img { display: block; width: 100%; height: auto; transition: opacity 200ms ease, filter 200ms ease; }
.inst-vista img.cambia { opacity: .3; filter: blur(4px); }
.inst-lado { display: grid; gap: 1.2rem; justify-items: start; }
.inst-txt { min-height: 4.7em; font-size: 1.125rem; color: #fff; }
.fichas { display: flex; flex-wrap: wrap; gap: .55rem; }
.fichas button { display: inline-flex; align-items: center; gap: .5em; min-height: 2.75rem; padding: .35em 1em; border-radius: 999px; border: 1.5px solid currentColor; background: transparent; color: inherit; font: 600 .9375rem/1 var(--txt); cursor: pointer;
  transition: transform 140ms var(--sale), background-color 160ms ease, color 160ms ease; }
.fichas button:active { transform: scale(.96); }
.fichas button[aria-pressed="true"] { background: var(--tinta); border-color: var(--tinta); color: var(--papel); }
.plano .fichas button[aria-pressed="true"] { background: #fff; border-color: #fff; color: var(--plano); }
.fichas i { width: .75em; height: .75em; border-radius: 50%; background: var(--c); box-shadow: 0 0 0 1.5px rgba(0, 0, 0, .25); }
@media (min-width: 1000px) { .inst { grid-template-columns: minmax(0, 1.35fr) minmax(0, .65fr); align-items: center; gap: 3rem; } }

/* ───────── Comparador de las dos ediciones: la línea va pegada al dedo */
.comp { position: relative; container-type: inline-size; aspect-ratio: 4 / 3; overflow: hidden; border: 2px solid var(--tinta); border-radius: 16px; box-shadow: 6px 6px 0 var(--tinta); background: var(--papel-2); touch-action: pan-y; user-select: none; -webkit-user-select: none; cursor: ew-resize; }
.comp img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; pointer-events: none; transition: opacity 180ms ease, filter 180ms ease; }
.comp.cambia img { opacity: .25; filter: blur(5px); }
.comp-real { clip-path: inset(0 0 0 50%); }
.comp-rot { position: absolute; bottom: .7rem; padding: .45em .8em; border-radius: 999px; background: rgba(36, 49, 58, .85); color: #fff; font: 700 .75rem/1 var(--txt); letter-spacing: .1em; text-transform: uppercase; pointer-events: none; }
.comp-rot.izq { left: .7rem; } .comp-rot.der { right: .7rem; background: var(--teja); }
.comp-asa { position: absolute; top: 0; bottom: 0; left: 0; width: 0; transform: translateX(50cqw); }
.comp-asa::before { content: ""; position: absolute; top: 0; bottom: 0; left: -1.5px; width: 3px; background: #fff; box-shadow: 0 0 0 1px rgba(36, 49, 58, .55); }
.comp-asa span { position: absolute; top: 50%; left: 0; width: 3rem; height: 3rem; translate: -50% -50%; display: grid; place-items: center; border-radius: 50%; background: #fff; color: var(--tinta); border: 2px solid var(--tinta); box-shadow: 0 6px 16px -6px rgba(36, 49, 58, .7); transition: transform 140ms var(--sale); }
.comp:active .comp-asa span { transform: scale(.94); }
#comp-vistas { margin-top: 1.4rem; }
@media (min-width: 760px) { .comp { aspect-ratio: 16 / 9; } }

.ediciones { display: grid; gap: 1.6rem; margin-block: clamp(2.5rem, 6vw, 4rem) 1.25rem; }
.edicion { display: grid; gap: .9rem; align-content: start; justify-items: start; padding: 0 1.4rem 1.6rem; overflow: hidden; }
.edicion img { display: block; width: calc(100% + 2.8rem); max-width: none; height: auto; margin-inline: -1.4rem; border-bottom: 2px solid var(--tinta); }
.edicion .mano { margin-top: .4rem; }
.edicion.real { background: var(--tinta); color: var(--papel); }
.edicion.real .mano { color: #ffbf8a; }
.edicion .boton { margin-top: .4rem; }
.palomas { display: grid; gap: .55rem; }
.palomas li { position: relative; padding-left: 1.7rem; line-height: 1.35; }
.palomas li::before { content: ""; position: absolute; left: .15rem; top: .32em; width: .95rem; height: .5rem; border: solid var(--teja); border-width: 0 0 3px 3px; rotate: -45deg; }
.edicion.real .palomas li::before { border-color: #ffbf8a; }
@media (min-width: 820px) { .ediciones { grid-template-columns: 1fr 1fr; } }

.ruta { display: grid; gap: 1.4rem; margin-top: clamp(2.5rem, 6vw, 4rem); padding-top: 2rem; border-top: 2px dashed rgba(36, 49, 58, .4); }
.ruta p { margin-top: .6rem; color: var(--tinta-2); }
#ruta { display: flex; gap: .5rem; counter-reset: punto; overflow-x: auto; padding: .3rem 1rem 1rem; margin-inline: -1rem; scroll-snap-type: x proximity; scrollbar-width: thin; }
#ruta li { flex: none; scroll-snap-align: start; counter-increment: punto; }
#ruta a { display: inline-flex; align-items: center; gap: .5em; min-height: 2.75rem; padding: .3em 1em .3em .35em; border: 2px solid var(--tinta); border-radius: 999px; background: var(--hoja); font-weight: 600; font-size: .9375rem; text-decoration: none; transition: transform 140ms var(--sale), background-color 160ms ease; }
#ruta a::before { content: counter(punto); display: grid; place-items: center; width: 2rem; height: 2rem; border-radius: 50%; background: var(--teja); color: #fff; font: 800 .875rem/1 var(--display); }
#ruta a:active { transform: scale(.96); }
@media (hover: hover) and (pointer: fine) { #ruta a:hover { background: #fff; } }
@media (min-width: 1000px) { .ruta { grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); align-items: start; gap: 3rem; } #ruta { flex-wrap: wrap; overflow: visible; margin: 0; padding: 0; } }

/* ───────── Paquetes */
.paquetes { display: grid; gap: 1.6rem; margin-bottom: 1.5rem; }
.paquetes > li { display: grid; gap: .8rem; align-content: start; padding: 1.6rem 1.4rem; }
.paq-para { color: var(--tinta-2); margin-top: -.45rem; }
.precio { font: 800 1rem/1 var(--display); color: var(--tinta-2); padding-bottom: .9rem; border-bottom: 2px dashed rgba(36, 49, 58, .3); }
.precio b { font-size: 3.2rem; letter-spacing: -.045em; color: var(--tinta); font-variant-numeric: tabular-nums; }
.paquetes .boton { margin-top: .6rem; width: 100%; }
.paquetes .estrella { border-color: var(--teja-osc); box-shadow: 6px 6px 0 var(--teja); }
.sello { position: absolute; top: -1.05rem; right: 1rem; padding: .32em .7em .38em; background: var(--teja); color: #fff; font-size: 1.3rem; border-radius: 6px; rotate: 3deg; }
.aviso { margin-top: 2.5rem; padding: 1.1rem 1.3rem; border-left: 5px solid var(--mar); background: rgba(31, 111, 139, .09); border-radius: 0 12px 12px 0; }
@media (min-width: 900px) { .paquetes { grid-template-columns: repeat(3, 1fr); align-items: start; } .paquetes .estrella { margin-top: -1rem; padding-block: 2.1rem; } }

/* ───────── Para quién */
.quien { display: grid; gap: 2rem; }
.quien li { padding-top: 1.1rem; border-top: 4px solid var(--tinta); }
.quien h3 { margin-bottom: .55rem; }
@media (min-width: 820px) { .quien { grid-template-columns: repeat(3, 1fr); gap: 2.5rem; } }

/* ───────── Preguntas */
.faq-lista { border-top: 2px solid var(--tinta); }
.faq details { border-bottom: 2px solid var(--tinta); }
.faq summary { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1.15rem 0; cursor: pointer; list-style: none; font: 700 clamp(1.1rem, .7vw + 1rem, 1.35rem)/1.2 var(--display); letter-spacing: -.02em; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: ""; flex: none; width: 1.1rem; height: 1.1rem; background: linear-gradient(var(--teja), var(--teja)) 50% / 100% 3px no-repeat, linear-gradient(var(--teja), var(--teja)) 50% / 3px 100% no-repeat; transition: rotate 200ms var(--sale); }
.faq details[open] summary::after { rotate: 45deg; }
.faq details p { padding: 0 2.2rem 1.3rem 0; color: var(--tinta-2); max-width: 46rem; }
@media (min-width: 1000px) { .faq { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: 3.5rem; align-items: start; } .faq .cab { position: sticky; top: 6rem; margin: 0; } }

/* ───────── Cierre y pie */
.cierre { background: var(--tinta); color: var(--papel); }
.cierre .lamina { color: #8fd3ee; } .cierre .sub { color: #c5d0d6; }
.armar { display: grid; gap: 1.75rem; padding: 1.5rem 1.3rem 1.7rem; color: var(--tinta); box-shadow: 6px 6px 0 var(--teja); }
.armar form { display: grid; gap: 1.2rem; }
.armar fieldset { margin: 0; padding: 0; border: 0; display: flex; flex-wrap: wrap; gap: .5rem; }
.armar legend, .campo { padding: 0; margin-bottom: .55rem; font: 700 .8125rem/1.2 var(--txt); letter-spacing: .08em; text-transform: uppercase; color: var(--mar); }
.armar label:not(.campo) { position: relative; }
.armar input[type="radio"] { position: absolute; inset: 0; opacity: 0; margin: 0; cursor: pointer; }
.armar label span { display: inline-flex; align-items: center; min-height: 2.75rem; padding: .3em 1.05em; border: 2px solid var(--tinta); border-radius: 999px; font-weight: 600; font-size: .9375rem; transition: transform 140ms var(--sale), background-color 160ms ease, color 160ms ease; }
.armar input:checked + span { background: var(--tinta); color: var(--papel); }
.armar input:active + span { transform: scale(.96); }
.armar input:focus-visible + span { outline: 3px solid var(--mar); outline-offset: 3px; }
.campo { display: grid; gap: .55rem; margin: 0; }
.campo input { width: 100%; min-height: 3rem; padding: .5em .9em; border: 2px solid var(--tinta); border-radius: 12px; background: #fff; color: var(--tinta); font: 400 1.0625rem var(--txt); letter-spacing: 0; text-transform: none; }
.armar-msj { display: grid; gap: 1rem; align-content: start; }
.globo { position: relative; padding: .9rem 1.1rem; border-radius: 4px 18px 18px 18px; background: #e3f5d6; color: #1c2b22; font-size: 1.0625rem; box-shadow: 0 1px 1px rgba(36, 49, 58, .2); }
@media (min-width: 900px) { .armar { grid-template-columns: 1.15fr .85fr; gap: 2.5rem; padding: 2.2rem; } }

.pie { background: #1a242b; color: #c5d0d6; padding-block: 3rem; text-align: center; }
.pie .ancho { display: grid; gap: 1.6rem; justify-items: center; }
.pie .marca { color: #fff; font-size: 1.6rem; } .pie .marca small { color: #9fb0ba; font-size: .8125rem; line-height: 1.4; }
.pie nav { display: flex; flex-wrap: wrap; justify-content: center; gap: .7rem 1.6rem; font-size: .9375rem; }
.pie .chica { color: #9fb0ba; max-width: 34rem; }

/* Firma SeqLogic (regla de la casa) */
.seqlogic-watermark-container { margin-top: .5rem; display: flex; flex-direction: column; align-items: center; gap: .5rem; border-top: 1px solid rgba(255, 255, 255, .05); padding-top: 2rem; width: 100%; max-width: 300px; margin-left: auto; margin-right: auto; }
.seqlogic-watermark-title { font-size: .75rem; color: rgba(255, 255, 255, .4); letter-spacing: 2px; text-transform: uppercase; }
.seqlogic-watermark { width: 130px; height: auto; opacity: .4; filter: grayscale(1) brightness(1) drop-shadow(0 0 0 rgba(0, 144, 224, 0)); transition: opacity .4s ease, filter .4s ease, transform .4s ease; }
.seqlogic-watermark:hover { opacity: .95; filter: grayscale(0) brightness(1.2) drop-shadow(0 0 10px rgba(0, 144, 224, .6)); transform: scale(1.03); }
.seqlogic-social-links { display: flex; gap: 1rem; margin-top: .5rem; justify-content: center; }
.seqlogic-social-icon { color: rgba(255, 255, 255, .6); transition: transform .3s ease, color .3s ease, background-color .3s ease, box-shadow .3s ease; padding: .5rem; border-radius: 50%; background: rgba(255, 255, 255, .03); display: flex; align-items: center; justify-content: center; }
.seqlogic-social-icon:hover { transform: translateY(-3px); background: rgba(255, 255, 255, .08); }
.seqlogic-social-icon.facebook:hover { color: #1877F2; box-shadow: 0 0 10px rgba(24, 119, 242, .3); background: rgba(24, 119, 242, .1); }
.seqlogic-social-icon.youtube:hover { color: #FF0000; box-shadow: 0 0 10px rgba(255, 0, 0, .3); background: rgba(255, 0, 0, .1); }

/* ───────── Visor de la muestra en vivo, encima de la página */
.demo { width: 100vw; height: 100vh; height: 100dvh; max-width: none; max-height: none; margin: 0; padding: 0; border: 0; background: #0f1b23; color: #fff; opacity: 0; transform: scale(.97);
  transition: opacity 200ms var(--sale), transform 240ms var(--sale), overlay 240ms allow-discrete, display 240ms allow-discrete; }
.demo[open] { display: flex; flex-direction: column; opacity: 1; transform: none; }
@starting-style { .demo[open] { opacity: 0; transform: scale(.97); } }
.demo::backdrop { background: rgba(15, 27, 35, .7); }
.demo-barra { display: flex; align-items: center; gap: 1rem; padding: max(.5rem, env(safe-area-inset-top)) .8rem .5rem; font-size: .9375rem; }
.demo-barra strong { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font: 700 1rem var(--display); }
.demo-barra a { color: #8fd3ee; white-space: nowrap; }
.demo-barra button { min-height: 2.6rem; padding: 0 1rem; border: 0; border-radius: 999px; background: #fff; color: var(--tinta); font: 700 .9375rem var(--txt); cursor: pointer; transition: transform 140ms var(--sale); }
.demo-barra button:active { transform: scale(.96); }
#demo-marco { flex: 1; min-height: 0; background: #cfe6f2; }
#demo-marco iframe { display: block; width: 100%; height: 100%; border: 0; }

/* ───────── Movimiento: lo que entra al bajar empieza oculto solo si hay guion y la persona no pidió menos movimiento */
.mov [data-entra], .mov [data-grupo] > * { opacity: 0; }
.mov .flecha, .mov .croquis .punteado, .mov .croquis .letra { opacity: 0; }
.mov .obra-fija { visibility: hidden; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .boton, .fichas button, .obra-riel button, #ruta a, .armar label span, .comp-asa span, .demo { transition-duration: 1ms; }
  .demo { transform: none; }
}
@media (prefers-reduced-transparency: reduce) { .barra { background: var(--papel); -webkit-backdrop-filter: none; backdrop-filter: none; } }
@media (prefers-contrast: more) { .barra { background: var(--papel); border-bottom: 2px solid var(--tinta); } .sub, .chica, .bajada, .nota { color: var(--tinta); } }