/* Tu Cartelería (demo): sitio de una cartelería con cotizador. */
:root {
  --fondo: #F5F4F1; --superficie: #FFFFFF; --tinta: #141414; --texto-2: #4E4B47; --tenue: #75716B;
  --linea: #E2DFDA; --amarillo: #FFC21A; --amarillo-suave: #FFF4D1; --amarillo-texto: #7A5800;
  --error: #B42318; --wa: #1F8F4E; --pared: #E7E3DD;
  --radio: 14px; --sombra: 0 1px 2px rgba(20,20,20,.06), 0 8px 28px rgba(20,20,20,.08);
  --f-titulo: "Inter Tight", system-ui, sans-serif; --f-texto: "Inter", system-ui, sans-serif;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { animation: none !important; transition: none !important; } }
body { background: var(--fondo); color: var(--tinta); font: 16px/1.6 var(--f-texto); -webkit-font-smoothing: antialiased; }
img, svg { display: block; }
a { color: inherit; }
:focus-visible { outline: 3px solid var(--amarillo); outline-offset: 2px; border-radius: 6px; }
.ancho { width: min(1120px, 100% - 32px); margin-inline: auto; }
.angosto { width: min(760px, 100% - 32px); }
.saltar { position: absolute; left: -999px; top: 8px; background: var(--tinta); color: #fff; padding: 8px 14px; border-radius: 8px; z-index: 50; }
.saltar:focus { left: 8px; }
em { font-style: normal; background: linear-gradient(transparent 58%, var(--amarillo) 58%, var(--amarillo) 92%, transparent 92%); padding: 0 .08em; -webkit-box-decoration-break: clone; box-decoration-break: clone; }

/* Aviso de demo */
.aviso-demo { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; padding: 8px 16px; background: var(--tinta); color: #EDEBE7; font-size: 13.5px; text-align: center; }

.aviso-demo a { color: #fff; font-weight: 600; text-underline-offset: 2px; }

/* Cabecera */
.cabecera { position: sticky; top: 0; z-index: 20; background: rgba(245,244,241,.92); backdrop-filter: saturate(1.4) blur(10px); border-bottom: 1px solid var(--linea); }
.cabecera-in { display: flex; align-items: center; gap: 24px; height: 64px; }
.logo { display: flex; align-items: center; gap: 10px; font: 800 18px/1 var(--f-titulo); letter-spacing: -.02em; text-decoration: none; }
.logo-marca { width: 28px; height: 28px; border-radius: 7px; background: var(--amarillo); position: relative; box-shadow: inset 0 0 0 2px var(--tinta); }
.logo-marca::before { content: ""; position: absolute; left: 6px; right: 6px; top: 9px; height: 4px; background: var(--tinta); border-radius: 1px; box-shadow: 0 6px 0 var(--tinta); }
.cabecera nav { display: flex; gap: 22px; margin-left: auto; font-size: 15px; }
.cabecera nav a { text-decoration: none; color: var(--texto-2); }
.cabecera nav a:hover { color: var(--tinta); }

/* Botones */
.boton { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 48px; padding: 0 22px; border-radius: 999px; border: 1px solid var(--tinta); background: var(--tinta); color: #fff; font: 600 15.5px/1 var(--f-texto); text-decoration: none; cursor: pointer; transition: background .15s, transform .15s; }
.boton:hover { background: #333; }
.boton:active { transform: scale(.98); }
.boton-chico { min-height: 40px; padding: 0 16px; font-size: 14.5px; background: var(--amarillo); color: var(--tinta); border-color: var(--amarillo); }
.boton-chico:hover { background: #F2B400; }
.boton-claro { background: transparent; color: var(--tinta); }
.boton-claro:hover { background: rgba(20,20,20,.05); }
.boton-wa { width: 100%; background: var(--wa); border-color: var(--wa); }
.boton-wa:hover { background: #187A41; }
.boton-wa svg { width: 20px; height: 20px; fill: currentColor; }
.boton:disabled { background: #C9C5BF; border-color: #C9C5BF; color: #fff; cursor: not-allowed; transform: none; }

/* Textos */
.etiqueta { font-size: 13px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--amarillo-texto); margin-bottom: 12px; }
h1 { font: 800 clamp(34px, 5vw, 56px)/1.04 var(--f-titulo); letter-spacing: -.035em; }
h2 { font: 800 clamp(28px, 3.6vw, 42px)/1.1 var(--f-titulo); letter-spacing: -.03em; max-width: 22ch; }
h3 { font: 700 18px/1.25 var(--f-titulo); letter-spacing: -.01em; }
.bajada { font-size: 18.5px; color: var(--texto-2); margin-top: 18px; max-width: 46ch; }
.bajada-sec { color: var(--texto-2); margin-top: 12px; font-size: 17px; }

/* Carteles dibujados (fichas, portada y vista previa) */
.placa { --r: 3; position: relative; width: 100%; aspect-ratio: var(--r); display: grid; place-items: center; container-type: inline-size; overflow: hidden; transition: background .2s; }
.placa span { font: 800 13cqi/1 var(--f-titulo); letter-spacing: -.03em; white-space: nowrap; position: relative; z-index: 1; }
.placa[data-aspecto="lona"] { background: repeating-linear-gradient(0deg, rgba(0,0,0,.025) 0 2px, transparent 2px 4px), repeating-linear-gradient(90deg, rgba(0,0,0,.025) 0 2px, transparent 2px 4px), #fff; box-shadow: 0 2px 6px rgba(0,0,0,.12); }
.placa[data-aspecto="lona"]::before { content: ""; position: absolute; inset: 0; background:
  radial-gradient(circle, #8C8882 0 2.5px, transparent 3px) 4px 4px / 10px 10px no-repeat,
  radial-gradient(circle, #8C8882 0 2.5px, transparent 3px) calc(100% - 4px) 4px / 10px 10px no-repeat,
  radial-gradient(circle, #8C8882 0 2.5px, transparent 3px) 4px calc(100% - 4px) / 10px 10px no-repeat,
  radial-gradient(circle, #8C8882 0 2.5px, transparent 3px) calc(100% - 4px) calc(100% - 4px) / 10px 10px no-repeat; }
.placa[data-aspecto="lona"] span { color: var(--tinta); border-bottom: .12em solid var(--amarillo); }
.placa[data-aspecto="vinilo"] { background: linear-gradient(115deg, rgba(255,255,255,.0) 30%, rgba(255,255,255,.55) 38%, rgba(255,255,255,0) 46%), linear-gradient(180deg, #CFE0E6, #E9F1F2); box-shadow: inset 0 0 0 4px #5B5F63, 0 2px 6px rgba(0,0,0,.1); }
.placa[data-aspecto="vinilo"] span { color: #1B1B1B; }
.placa[data-aspecto="pvc"] { background: #FDFDFC; box-shadow: 0 1px 0 #D9D6D0, 0 4px 0 #CFCBC4, 0 6px 10px rgba(0,0,0,.14); border-radius: 3px; }
.placa[data-aspecto="pvc"] span { color: #fff; background: var(--tinta); padding: .14em .3em; border-radius: .08em; }
.placa[data-aspecto="chapa"] { background: linear-gradient(160deg, rgba(255,255,255,.35), rgba(255,255,255,0) 40%, rgba(0,0,0,.08)), var(--amarillo); box-shadow: inset 0 0 0 2px rgba(0,0,0,.18), 0 3px 8px rgba(0,0,0,.18); border-radius: 2px; }
.placa[data-aspecto="chapa"]::before { content: ""; position: absolute; inset: 0; background:
  radial-gradient(circle, #6B6152 0 2px, transparent 2.5px) 5px 5px / 8px 8px no-repeat,
  radial-gradient(circle, #6B6152 0 2px, transparent 2.5px) calc(100% - 5px) 5px / 8px 8px no-repeat,
  radial-gradient(circle, #6B6152 0 2px, transparent 2.5px) 5px calc(100% - 5px) / 8px 8px no-repeat,
  radial-gradient(circle, #6B6152 0 2px, transparent 2.5px) calc(100% - 5px) calc(100% - 5px) / 8px 8px no-repeat; }
.placa[data-aspecto="chapa"] span { color: var(--tinta); }
.placa[data-aspecto="acm"] { background: repeating-linear-gradient(90deg, rgba(255,255,255,.03) 0 1px, transparent 1px 3px), linear-gradient(180deg, #3A3F44, #23272B); box-shadow: 0 3px 10px rgba(0,0,0,.25); border-radius: 3px; }
.placa[data-aspecto="acm"] span { color: #fff; }
.placa[data-aspecto="acm"] span::after { content: "."; color: var(--amarillo); }

/* Portada */
.portada { padding: 64px 0 72px; }
.portada-in { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; }
.acciones { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 28px; }
.sellos { list-style: none; display: flex; flex-wrap: wrap; gap: 8px 18px; margin-top: 26px; font-size: 14.5px; color: var(--texto-2); }
.sellos li { display: flex; align-items: center; gap: 7px; }
.sellos li::before { content: ""; width: 8px; height: 8px; border-radius: 2px; background: var(--amarillo); box-shadow: inset 0 0 0 1px rgba(0,0,0,.25); }
.portada-arte { position: relative; display: grid; place-items: center; }
.frente { width: min(400px, 86vw); aspect-ratio: 5 / 4; border-radius: 12px; overflow: hidden; position: relative; box-shadow: var(--sombra);
  background: repeating-linear-gradient(0deg, transparent 0 22px, rgba(0,0,0,.05) 22px 24px), var(--pared); }
.frente .placa { position: absolute; left: 9%; right: 9%; top: 12%; width: auto; --r: 3.2; }
.frente .placa span { animation: prender 1.6s ease-out .4s both; }
@keyframes prender { from { opacity: .15; } to { opacity: 1; } }
.vidriera { position: absolute; left: 9%; right: 9%; bottom: 0; height: 46%; background: linear-gradient(115deg, rgba(255,255,255,0) 35%, rgba(255,255,255,.5) 42%, rgba(255,255,255,0) 50%), linear-gradient(180deg, #BFD3DA, #DCE7E9);
  border: 6px solid #4A4E52; border-bottom: 0; display: grid; grid-template-columns: 1fr 1fr; }
.vidriera::before { content: ""; border-right: 6px solid #4A4E52; }
.ficha-precio { position: absolute; left: -6px; bottom: 22px; background: #fff; border-radius: 12px; padding: 12px 16px; box-shadow: var(--sombra); display: grid; gap: 2px; font-size: 13px; color: var(--texto-2); }
.ficha-precio b { font: 800 22px/1.1 var(--f-titulo); color: var(--tinta); letter-spacing: -.02em; }

/* Secciones */
.seccion { padding: 80px 0; border-top: 1px solid var(--linea); }
.productos { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 14px; margin-top: 36px; }
.producto { background: var(--superficie); border: 1px solid var(--linea); border-radius: var(--radio); padding: 12px 12px 16px; display: grid; gap: 8px; align-content: start; }
.muestra { height: 110px; border-radius: 10px; display: grid; place-items: center; padding: 0 14px; background: repeating-linear-gradient(0deg, transparent 0 18px, rgba(0,0,0,.05) 18px 20px), var(--pared); }
.muestra .placa { --r: 2.6; }
.producto p { color: var(--texto-2); font-size: 14px; line-height: 1.5; }
.desde { font-size: 14px; font-weight: 700; color: var(--tinta); background: var(--amarillo-suave); justify-self: start; padding: 2px 8px; border-radius: 6px; }

/* Cotizador */
.cotiza { background: linear-gradient(180deg, var(--fondo), #EEECE7); }
.cotizador { display: grid; grid-template-columns: minmax(0, 1fr) 360px; gap: 24px; margin-top: 32px; align-items: start; }
fieldset { border: 0; }
.item, .extras { position: relative; background: var(--superficie); border: 1px solid var(--linea); border-radius: var(--radio); padding: 18px; margin-bottom: 14px; box-shadow: var(--sombra); }
.item legend, .extras legend { float: left; width: 100%; font: 700 17px/1.2 var(--f-titulo); margin-bottom: 14px; }
.quitar { position: absolute; top: 14px; right: 14px; background: none; border: 0; color: var(--texto-2); font: 500 14px var(--f-texto); text-decoration: underline; cursor: pointer; min-height: 32px; padding: 0 6px; }
.item-grilla { clear: both; display: grid; grid-template-columns: minmax(0, 1fr) 190px; gap: 18px; }
.campos { display: grid; gap: 12px; }
.fila2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.fila3 { display: grid; grid-template-columns: 1fr 1fr 96px; gap: 12px; }
.campo { display: grid; gap: 6px; align-content: start; }
.campo label { font-size: 14px; font-weight: 600; }
.campo small { font-weight: 400; color: var(--tenue); }
input, select { width: 100%; min-height: 46px; border: 1px solid #D3CFC8; border-radius: 10px; padding: 0 12px; font: 16px var(--f-texto); color: var(--tinta); background: #fff; }
input:focus, select:focus { border-color: var(--tinta); outline: 3px solid var(--amarillo-suave); outline-offset: 0; }
input[aria-invalid="true"] { border-color: var(--error); }
.error { font-size: 13px; color: var(--error); }
.error:empty { display: none; }
.previa { display: grid; justify-items: center; align-content: start; gap: 8px; text-align: center; }
.lienzo { width: 100%; height: 150px; border-radius: 10px; display: grid; place-items: center; padding: 14px; background: repeating-linear-gradient(0deg, transparent 0 18px, rgba(0,0,0,.05) 18px 20px), var(--pared); }
.previa .placa { width: min(100%, calc(118px * var(--r))); transition: width .25s, background .2s; }
.previa-medida { font-size: 13px; color: var(--texto-2); }
.previa-precio { font: 800 20px/1 var(--f-titulo); }
.agregar { width: 100%; border-style: dashed; margin-bottom: 14px; }
.check { display: flex; gap: 10px; align-items: flex-start; font-size: 15px; cursor: pointer; clear: both; }
.extras .check { margin-bottom: 14px; }
.check input { width: 20px; height: 20px; min-height: 0; margin-top: 2px; accent-color: var(--tinta); }
.check small { color: var(--tenue); }

/* Resumen */
.resumen { position: sticky; top: 84px; background: var(--superficie); border: 1px solid var(--linea); border-radius: var(--radio); padding: 20px; box-shadow: var(--sombra); display: grid; gap: 14px; }
.resumen h3 { font-size: 19px; }
.lineas { list-style: none; display: grid; gap: 10px; font-size: 14px; }
.lineas li { display: flex; justify-content: space-between; gap: 12px; }
.lineas li span { color: var(--texto-2); }
.lineas li b { font-weight: 700; font-variant-numeric: tabular-nums; white-space: nowrap; }
.lineas li.pendiente { color: var(--tenue); }
.total { display: flex; justify-content: space-between; align-items: baseline; padding-top: 14px; border-top: 1px solid var(--linea); }
.total span { font-weight: 600; }
.total b { font: 800 30px/1 var(--f-titulo); letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.letra-chica { font-size: 13px; color: var(--tenue); }
.falta { font-size: 13.5px; color: var(--texto-2); text-align: center; }
.vista-wa { border-top: 1px dashed var(--linea); padding-top: 14px; display: grid; gap: 8px; }
.vista-tit { font-size: 13px; font-weight: 600; color: var(--texto-2); }
.burbuja { background: #DCF8C6; border-radius: 10px 10px 2px 10px; padding: 10px 12px; font-size: 13.5px; line-height: 1.45; white-space: pre-line; box-shadow: 0 1px 1px rgba(0,0,0,.08); }
.vista-nota { font-size: 12.5px; color: var(--tenue); }

/* Pasos y preguntas */
.pasos { list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 36px; }
.pasos li { background: var(--superficie); border: 1px solid var(--linea); border-radius: var(--radio); padding: 22px; display: grid; gap: 8px; }
.pasos li > span { width: 34px; height: 34px; border-radius: 8px; background: var(--amarillo); color: var(--tinta); display: grid; place-items: center; font: 800 15px var(--f-titulo); }
.pasos p, details p { color: var(--texto-2); }
details { border-bottom: 1px solid var(--linea); padding: 16px 0; }
details:first-of-type { margin-top: 24px; border-top: 1px solid var(--linea); }
summary { cursor: pointer; font: 700 17px/1.35 var(--f-titulo); list-style: none; display: flex; justify-content: space-between; gap: 12px; min-height: 28px; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; font-size: 22px; line-height: 1; }
details[open] summary::after { content: "–"; }
details p { margin-top: 10px; }

/* Pie */
.pie { background: var(--tinta); color: #D6D3CE; padding: 40px 0; font-size: 14.5px; }
.pie-in { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; align-items: end; }
.pie .logo { color: #fff; margin-bottom: 8px; }

/* Tablet y celular */
@media (max-width: 1020px) { .productos { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 960px) {
  .portada-in, .cotizador { grid-template-columns: 1fr; }
  .resumen { position: static; }
  .portada-arte { order: -1; }
}
@media (max-width: 640px) {
  .cabecera nav { display: none; }
  .cabecera .boton-chico { margin-left: auto; }
  .portada { padding: 32px 0 48px; }
  .seccion { padding: 56px 0; }
  .productos { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .pasos { grid-template-columns: 1fr; }
  .item-grilla { grid-template-columns: 1fr; }
  .fila3 { grid-template-columns: 1fr 1fr; }
  .fila3 .campo:last-child { grid-column: 1 / -1; }
  .lienzo { height: 120px; }
  .previa .placa { width: min(100%, calc(90px * var(--r))); }
  .frente { width: min(320px, 84vw); }
  .ficha-precio { left: 0; }
}