/* Rodillera Bambú — estilo pensado para personas mayores: letra grande, contraste alto,
   botones enormes, nada que dependa del ratón ni parpadee. */
:root{--fondo:#FFFCF7;--tinta:#1B2733;--suave:#4A5561;--linea:#D9D4CC;--tarjeta:#FFFFFF;--cta:#0B6E4F;--cta-tinta:#FFFFFF;--enlace:#0B4F8A;--estrella:#E3A008;--alerta:#B00020;--fondo2:#F3EFE7}
*{box-sizing:border-box}
html{font-size:20px;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--fondo);color:var(--tinta);font-family:-apple-system,"Segoe UI",Roboto,Arial,sans-serif;line-height:1.5}
img{max-width:100%;height:auto;display:block}
a{color:var(--enlace);text-decoration:underline;text-underline-offset:3px}
h1,h2,h3{line-height:1.2;margin:0 0 .5em}
h1{font-size:2rem}h2{font-size:1.6rem}h3{font-size:1.2rem}
p{margin:0 0 1em}
.contenedor{max-width:760px;margin:0 auto;padding:0 16px}
.bloque{padding:40px 0;border-top:1px solid var(--linea)}
.bloque.alterno{background:var(--fondo2)}
.cabecera{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:12px 0}
.marca{font-weight:800;font-size:1.2rem;color:var(--tinta);text-decoration:none}
.cabecera-cta{font-size:.95rem;white-space:nowrap}
.boton{display:block;width:100%;min-height:68px;padding:16px 20px;border:0;border-radius:14px;background:var(--cta);color:var(--cta-tinta);font-size:1.25rem;font-weight:700;text-align:center;text-decoration:none;cursor:pointer;line-height:1.25}
.boton:focus-visible{outline:4px solid #000;outline-offset:3px}
.boton small{display:block;font-weight:400;font-size:.9rem;margin-top:4px}
.boton-secundario{background:#fff;color:var(--cta);border:3px solid var(--cta)}
.confianza{display:flex;flex-wrap:wrap;gap:8px 18px;justify-content:center;font-size:.95rem;color:var(--suave);margin:14px 0 0;padding:0;list-style:none}
.confianza li::before{content:"✓ ";color:var(--cta);font-weight:800}
.hero{padding:6px 0 32px}
.hero-grid{display:grid;grid-template-columns:minmax(110px,36%) 1fr;gap:12px 14px;align-items:start}
.hero-img{grid-column:1;grid-row:1;border-radius:14px;overflow:hidden;background:#e8e2d6}
.hero-img img{width:100%;aspect-ratio:4/5;object-fit:cover}
.hero-titulo{grid-column:2;grid-row:1;align-self:center}
.hero-titulo h1{font-size:1.45rem;margin:0 0 8px}
.hero-titulo .nota-media{font-size:.95rem;margin:0}
.hero-titulo .estrellas{font-size:1.1rem}
.hero-oferta{grid-column:1 / -1;grid-row:2}
.hero-oferta p.grande{font-size:1.05rem;color:var(--suave);margin:14px 0 0}
.oferta-caja{background:var(--tarjeta);border:2px solid var(--cta);border-radius:16px;padding:14px 14px 14px}
.precio-destacado{margin:0 0 12px;font-size:1.05rem}
.oferta-linea{display:flex;justify-content:space-between;align-items:baseline;gap:10px;padding:4px 0;border-bottom:1px dashed var(--linea)}
.oferta-linea:last-child{border-bottom:0}
.oferta-linea>span:last-child{white-space:nowrap}
.precio-destacado b{font-size:1.6rem;color:var(--cta)}
.precio-destacado s{color:var(--suave);font-size:.95rem;margin-right:4px}
.hero-oferta .confianza{margin-top:12px}
.estrellas{color:var(--estrella);font-size:1.3rem;letter-spacing:2px;white-space:nowrap}
.nota-media{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:1.05rem;margin:0 0 20px}
.ventajas{list-style:none;padding:0;margin:0 0 24px;display:grid;gap:14px}
.ventajas li{background:var(--tarjeta);border:1px solid var(--linea);border-radius:14px;padding:16px 18px;font-size:1.05rem}
.ventajas li b{display:block;font-size:1.15rem;margin-bottom:4px}
.galeria{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:0 0 24px}
.galeria img{border-radius:12px;aspect-ratio:1;object-fit:cover;width:100%}
.resena{background:var(--tarjeta);border:1px solid var(--linea);border-radius:14px;padding:18px;margin:0 0 14px}
.resena-texto{font-size:1.1rem;margin:8px 0 10px}
.resena-foto{border-radius:10px;max-height:260px;width:auto;margin:0 0 10px;border:1px solid var(--linea)}
.resena-meta{color:var(--suave);font-size:.9rem;margin:0}
details{background:var(--tarjeta);border:1px solid var(--linea);border-radius:14px;margin:0 0 12px}
details summary{cursor:pointer;padding:18px;font-size:1.1rem;font-weight:700;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:10px}
details summary::-webkit-details-marker{display:none}
details summary::after{content:"+";font-size:1.8rem;color:var(--cta);line-height:1}
details[open] summary::after{content:"–"}
details p{padding:0 18px 18px;font-size:1.05rem}
details.mas-resenas{background:transparent;border:2px dashed var(--linea)}
details.mas-resenas summary{justify-content:center;color:var(--enlace)}
details.mas-resenas summary::after{content:""}
details.mas-resenas[open] summary{border-bottom:1px solid var(--linea)}
details.mas-resenas .resena{margin:14px}
.pasos{list-style:none;padding:0;margin:0 0 24px;counter-reset:paso;display:grid;gap:14px}
.pasos li{background:var(--tarjeta);border:1px solid var(--linea);border-radius:14px;padding:18px;display:grid;grid-template-columns:56px 1fr;gap:14px;align-items:start;font-size:1.05rem}
.pasos li::before{counter-increment:paso;content:counter(paso);width:56px;height:56px;border-radius:50%;background:var(--cta);color:#fff;font-weight:800;font-size:1.6rem;display:flex;align-items:center;justify-content:center}
.pasos li b{display:block;font-size:1.15rem;margin-bottom:2px}
.pasos-img{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:0 0 20px}
.pasos-img img{border-radius:12px;aspect-ratio:4/5;object-fit:cover;width:100%}
table.tallas{width:100%;border-collapse:collapse;background:var(--tarjeta);font-size:1.1rem;margin:0 0 14px;border:1px solid var(--linea);border-radius:14px;overflow:hidden}
table.tallas th,table.tallas td{padding:14px 12px;border-bottom:1px solid var(--linea);text-align:left}
table.tallas thead th{background:var(--fondo2);font-size:.95rem}
table.tallas tbody th{font-size:1.4rem;color:var(--cta)}
.consejo{background:#FFF4D6;border:2px solid #E3A008;border-radius:14px;padding:16px 18px;font-size:1.05rem;margin:0 0 20px}
.tallas-img{border-radius:12px;border:1px solid var(--linea);margin:0 0 16px;background:#fff}
.garantia{display:grid;gap:18px;align-items:center}
.garantia img{border-radius:16px;aspect-ratio:4/5;object-fit:cover;width:100%}
.sello{display:inline-block;background:var(--cta);color:#fff;font-weight:800;padding:10px 16px;border-radius:999px;margin:0 0 12px;font-size:1.05rem}
.formulario{background:var(--tarjeta);border:2px solid var(--cta);border-radius:18px;padding:22px 18px}
.formulario h2{margin-bottom:.3em}
fieldset{border:0;padding:0;margin:0 0 22px}
legend{font-weight:800;font-size:1.2rem;margin:0 0 10px;padding:0}
.opciones{display:grid;gap:10px}
.opciones.tres{grid-template-columns:repeat(auto-fit,minmax(150px,1fr))}
.opciones.cuatro{grid-template-columns:repeat(4,1fr)}
.opcion{position:relative;display:flex;align-items:center;gap:12px;min-height:64px;padding:12px 14px;border:3px solid var(--linea);border-radius:14px;background:#fff;cursor:pointer;font-size:1.05rem}
.opcion input{width:28px;height:28px;flex:none;margin:0;accent-color:var(--cta)}
.opcion:has(input:checked),.opcion.elegida{border-color:var(--cta);background:#EAF6F0}
.opcion:has(input:focus-visible){outline:4px solid #000;outline-offset:2px}
.opcion-texto{display:flex;flex-direction:column;flex:1}
.opcion-texto small{color:var(--suave);font-size:.9rem}
.opcion-precio{text-align:right;white-space:nowrap}
.opcion-precio b{font-size:1.25rem;color:var(--cta);display:block}
.opcion-precio s{color:var(--suave);font-size:.9rem}
.opcion.destacada{border-color:var(--cta)}
.etiqueta{position:absolute;top:-14px;right:12px;background:var(--estrella);color:#1B2733;font-size:.8rem;font-weight:800;padding:3px 10px;border-radius:999px}
.opcion-talla{justify-content:flex-start;padding:10px 10px}
.opcion-talla .opcion-texto{align-items:center}
.opcion-talla strong{font-size:1.4rem}
.muestra{width:34px;height:34px;border-radius:50%;border:2px solid var(--linea);flex:none}
.aviso,.aviso-error{border-radius:14px;padding:14px 16px;font-size:1.05rem;margin:0 0 16px}
.aviso{background:#E9F1FA;border:2px solid var(--enlace)}
.aviso-error{background:#FDECEE;border:2px solid var(--alerta);color:var(--alerta);font-weight:700}
.pago-nota{text-align:center;color:var(--suave);font-size:.95rem;margin:12px 0 0}
.pie{padding:30px 0 120px;color:var(--suave);font-size:.9rem;border-top:1px solid var(--linea)}
.pie p{margin:0 0 8px}
.wa-fijo{position:fixed;right:14px;bottom:14px;z-index:20;background:#128C4A;color:#fff;font-weight:800;font-size:1.05rem;padding:16px 20px;border-radius:999px;text-decoration:none;box-shadow:0 4px 14px rgba(0,0,0,.25);min-height:60px;display:flex;align-items:center}
.wa-fijo:focus-visible{outline:4px solid #000}
.cta-medio{margin:26px 0 0}
@media (min-width:720px){
  html{font-size:21px}
  .hero-grid{grid-template-columns:5fr 6fr;gap:16px 28px;align-items:center}
  .hero-img{grid-row:1 / span 2}
  .hero-img img{aspect-ratio:9/16}
  .hero-titulo{grid-column:2;grid-row:1;align-self:end}
  .hero-titulo h1{font-size:2rem}
  .hero-oferta{grid-column:2;grid-row:2;align-self:start}
  .garantia{grid-template-columns:2fr 3fr}
}
@media (max-width:420px){.opciones.cuatro{grid-template-columns:repeat(2,1fr)}.opcion-precio b{font-size:1.1rem}.precio-destacado b{font-size:1.35rem}.precio-destacado s{font-size:.85rem}.hero-titulo h1{font-size:1.3rem}}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}