/* Raíz & Pincel. Verde bosque y lima sobre blanco cálido (referencia BlooM que
   eligió Daniel) con el azul tinta del logo; paneles de vidrio esmerilado sobre
   manchas verdes difuminadas. Un solo tema, claro, como el logo. */
:root {
  --bosque: #0F4A2E; --bosque-hondo: #0A3620; --lima: #C3EE3F; --lima-hondo: #A8D42B;
  --fondo: #F5F8F1; --tinta: #14281D; --tinta-suave: #556659; --hoja: #E3EEDB; --linea: rgba(20, 40, 29, .12);
  --azul-logo: #1A2553; --acuarela: #C5DBF3; --pincel: #BA6733;
  --vidrio: rgba(255, 255, 255, .6); --vidrio-borde: rgba(255, 255, 255, .78); --sombra: 0 10px 40px rgba(15, 74, 46, .12);
  --bien: #1F7A45; --alerta: #B3372E; --aviso: #8A5A0B; --whats: #0f7a40;
  --serif: 'Fraunces', Georgia, 'Times New Roman', serif;
  --sans: 'DM Sans', system-ui, -apple-system, 'Segoe UI', sans-serif;
  color-scheme: light;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--fondo); color: var(--tinta); font: 400 16px/1.55 var(--sans);
  overflow-x: hidden;
}
body::before { content: ""; position: fixed; inset: 0 0 auto; height: env(safe-area-inset-top, 0px); z-index: 30; background: var(--fondo); }
h1, h2, h3 { font-family: var(--serif); font-weight: 500; letter-spacing: -.02em; line-height: 1.05; margin: 0; text-wrap: balance; }
h1 em, h2 em { font-style: italic; color: var(--bosque); }
p { margin: 0; }
a { color: var(--bosque); }
button { font: inherit; color: inherit; cursor: pointer; }
img { max-width: 100%; display: block; }
:focus-visible { outline: 3px solid var(--lima-hondo); outline-offset: 2px; }
[hidden] { display: none !important; }
.oculto { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.envoltura { max-width: 1160px; margin: 0 auto; padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }
.ceja { font: 500 12px/1 var(--sans); letter-spacing: .16em; text-transform: uppercase; color: var(--bosque); }

/* atmósfera de fondo */
.atmosfera { position: fixed; inset: 0; z-index: 0; pointer-events: none; overflow: hidden; }
.atmosfera i { position: absolute; border-radius: 50%; filter: blur(90px); }
.atmosfera i:nth-child(1) { width: 46vw; height: 46vw; left: -12vw; top: -10vw; background: #cfe8b4; opacity: .7; }
.atmosfera i:nth-child(2) { width: 38vw; height: 38vw; right: -10vw; top: 30vh; background: var(--acuarela); opacity: .55; }
.atmosfera i:nth-child(3) { width: 50vw; height: 50vw; left: 25vw; bottom: -28vw; background: #9ccaa4; opacity: .45; }
main, .nav, .pie { position: relative; z-index: 2; }

.vidrio { background: var(--vidrio); backdrop-filter: blur(18px) saturate(1.4); -webkit-backdrop-filter: blur(18px) saturate(1.4); border: 1px solid var(--vidrio-borde); box-shadow: var(--sombra); }

/* botones */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border: 0; border-radius: 999px; padding: 12px 22px; font-weight: 700; font-size: 15px; text-decoration: none; transition: transform .15s, background .15s; }
.btn:active { transform: scale(.98); }
.btn-bosque { background: var(--bosque); color: #fff; } .btn-bosque:hover { background: var(--bosque-hondo); }
.btn-lima { background: var(--lima); color: var(--bosque-hondo); } .btn-lima:hover { background: var(--lima-hondo); }
.btn-vidrio { background: rgba(255, 255, 255, .62); border: 1px solid var(--vidrio-borde); color: var(--tinta); backdrop-filter: blur(10px); }
.btn-vidrio:hover { background: #fff; }
.btn-whats { background: var(--whats); color: #fff; } .btn-whats:hover { filter: brightness(1.08); }
.btn-sm { padding: 9px 16px; font-size: 14px; }

/* navegación */
.nav { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 20; padding-top: 12px; padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }
.nav-in { max-width: 1160px; margin: 0 auto; display: flex; align-items: center; gap: 20px; padding: 6px 8px 6px 10px; border-radius: 999px; }
.marca { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--azul-logo); }
.marca img { width: 46px; height: 46px; }
.marca span { font: 600 20px/1 var(--serif); letter-spacing: -.02em; }
.marca em { font-style: italic; color: var(--pincel); }
.nav nav { display: flex; gap: 22px; margin-left: auto; font-size: 14px; font-weight: 500; }
.nav nav a { color: var(--tinta); text-decoration: none; }
.nav nav a:hover { color: var(--bosque); text-decoration: underline; text-underline-offset: 4px; }
.carrito-btn b { background: var(--lima); color: var(--bosque-hondo); border-radius: 999px; min-width: 22px; height: 22px; display: inline-grid; place-items: center; font-size: 12px; padding: 0 6px; }

/* inicio: capas con scroll */
.capas { height: 320vh; position: relative; }
.capas-fija { position: sticky; top: 0; height: 100vh; height: 100svh; display: flex; align-items: center; overflow: hidden; }
.capas-rejilla { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, .9fr); gap: 32px; width: 100%; align-items: center; padding-top: 70px; }
.capas-texto { position: relative; min-height: 420px; display: grid; align-items: center; }
.portada, .anatomia { grid-area: 1 / 1; transition: opacity .35s, transform .35s; }
.portada h1 { font-size: clamp(48px, 7.2vw, 96px); margin-top: 18px; }
.portada .sub { max-width: 44ch; font-size: 18px; color: var(--tinta-suave); margin-top: 18px; }
.ctas { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 26px; }
.anatomia { border-radius: 28px; padding: 22px 24px; opacity: 0; transform: translateY(16px); pointer-events: none; }
.capas.abierta .portada { opacity: 0; transform: translateY(-16px); pointer-events: none; }
.capas.abierta .anatomia { opacity: 1; transform: none; pointer-events: auto; }
.anatomia h2 { font-size: clamp(28px, 3.4vw, 42px); margin: 10px 0 16px; }
.lista-capas { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; counter-reset: capa; }
.lista-capas li { counter-increment: capa; display: grid; grid-template-columns: 30px 1fr; gap: 2px 12px; padding: 8px 10px; border-radius: 16px; opacity: .5; transition: opacity .3s, background .3s; }
.lista-capas li::before { content: counter(capa); grid-row: span 2; width: 30px; height: 30px; border-radius: 50%; background: var(--hoja); color: var(--bosque); display: grid; place-items: center; font-weight: 700; font-size: 14px; }
.lista-capas li.on { opacity: 1; background: rgba(255, 255, 255, .7); }
.lista-capas li.on::before { background: var(--lima); }
.lista-capas b { font: 600 17px/1.2 var(--serif); }
.lista-capas span { font-size: 14px; color: var(--tinta-suave); }
.capas-visor { position: relative; height: min(82vh, 760px); aspect-ratio: 9 / 16; justify-self: center; max-width: 100%; }
.capas-visor canvas, .capas-visor .poster { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain;
  -webkit-mask-image: radial-gradient(ellipse 50% 58% at 50% 50%, #000 72%, transparent 100%); mask-image: radial-gradient(ellipse 50% 58% at 50% 50%, #000 72%, transparent 100%); }
.capas-visor .poster { transition: opacity .3s; }
.capas-visor.listo .poster { opacity: 0; }
.pista { position: absolute; left: 50%; bottom: 4%; transform: translateX(-50%); padding: 8px 14px; border-radius: 999px; font-size: 13px; white-space: nowrap; transition: opacity .3s; }
.capas.abierta .pista { opacity: 0; }

/* asistente */
.franja-asistente { margin-top: -6vh; }
.asistente { max-width: 760px; margin: 0 auto; border-radius: 28px; padding: 20px 22px; display: grid; gap: 14px; }
.asis-cab { display: flex; gap: 14px; align-items: center; color: var(--bosque); }
.asis-cab h2 { font-size: 26px; color: var(--tinta); }
.asis-cab p { color: var(--tinta-suave); font-size: 15px; }
.asis-form { display: flex; gap: 10px; flex-wrap: wrap; }
.asis-form input { flex: 1 1 260px; min-width: 0; border: 1px solid var(--linea); background: rgba(255, 255, 255, .8); border-radius: 999px; padding: 12px 18px; font: inherit; color: var(--tinta); }
.sugerencias { display: flex; flex-wrap: wrap; gap: 8px; }
.sugerencias button { border: 1px solid var(--linea); background: rgba(255, 255, 255, .65); border-radius: 999px; padding: 7px 13px; font-size: 14px; }
.sugerencias button:hover { background: var(--hoja); }
.asis-error { color: var(--alerta); font-size: 14px; }
.asis-resultado { display: grid; gap: 10px; }
.asis-resultado:empty { display: none; }
.asis-msg { font-size: 15px; }
.asis-plantas { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 10px; }
.asis-planta { display: flex; gap: 10px; align-items: center; background: rgba(255, 255, 255, .75); border: 1px solid var(--linea); border-radius: 18px; padding: 8px; text-align: left; }
.asis-planta img { width: 54px; height: 54px; border-radius: 12px; object-fit: cover; flex: none; }
.asis-planta b { display: block; font-size: 14px; }
.asis-planta small { color: var(--bosque); font-weight: 700; font-size: 12px; }
.asis-cargando { color: var(--tinta-suave); font-size: 14px; }

/* secciones */
.seccion { padding-block: clamp(56px, 10vh, 110px); }
.sec-cab { display: grid; gap: 12px; margin-bottom: 30px; max-width: 640px; }
.sec-cab h2 { font-size: clamp(36px, 5vw, 62px); }
.sec-cab p { color: var(--tinta-suave); font-size: 17px; }

/* constructor */
.constructor { max-width: 660px; margin: 0 auto; border-radius: 34px; padding: clamp(16px, 3vw, 28px); display: grid; grid-template-columns: minmax(0, 1fr); gap: 28px; }
.constructor > *, .carrusel > *, .zonas, .zona { min-width: 0; }
.paso-cab { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-bottom: 12px; flex-wrap: wrap; }
.paso-cab b { font: 500 23px/1.1 var(--serif); letter-spacing: -.02em; }
.paso-cab span { font-size: 13px; color: var(--tinta-suave); }
.insignia { display: inline-flex; padding: 6px 13px; border-radius: 999px; background: var(--lima); color: var(--bosque-hondo) !important; font-weight: 700; }
.carrusel { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: 12px; align-items: center; }
.flecha { width: 46px; height: 46px; border-radius: 50%; border: 1px solid var(--vidrio-borde); background: rgba(255, 255, 255, .75); display: grid; place-items: center; color: var(--bosque); }
.flecha:hover { background: var(--lima); }
.foto { position: relative; margin: 0; border-radius: 26px; overflow: hidden; aspect-ratio: 1; background: var(--fondo); }
.foto img { width: 100%; height: 100%; object-fit: cover; }
.foto-matera { background: radial-gradient(circle at 50% 40%, #fff, var(--hoja)); }
.foto-matera img { object-fit: contain; padding: 8% 8% 22%; }
.etiqueta { position: absolute; left: 12px; right: 12px; bottom: 12px; border-radius: 18px; padding: 10px 14px; display: flex; justify-content: space-between; gap: 12px; align-items: center; }
.etiqueta b { font: 500 19px/1.15 var(--serif); display: block; }
.etiqueta small { display: block; color: var(--tinta-suave); font-style: italic; font-size: 12px; }
.precio { font-weight: 700; font-size: 16px; white-space: nowrap; font-variant-numeric: tabular-nums; }
.provisional { position: absolute; top: 12px; left: 12px; background: rgba(255, 255, 255, .85); border-radius: 999px; padding: 4px 10px; font-size: 12px; color: var(--aviso); }
.tira { display: flex; gap: 8px; overflow-x: auto; padding: 12px 2px 4px; scrollbar-width: thin; max-width: 100%; }
.tira button { flex: none; width: 54px; height: 54px; border-radius: 14px; border: 2px solid transparent; padding: 0; overflow: hidden; background: var(--hoja); opacity: .8; }
.tira button.on { border-color: var(--bosque); opacity: 1; }
.tira img { width: 100%; height: 100%; object-fit: cover; }
.tira-materas img { object-fit: contain; padding: 4px; background: #fff; }
.cuidado-mini { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px; align-items: center; }
.pildora { display: inline-flex; gap: 6px; align-items: center; padding: 6px 12px; border-radius: 999px; background: rgba(255, 255, 255, .75); border: 1px solid var(--linea); font-size: 13px; }
.pildora svg { width: 15px; height: 15px; color: var(--bosque); flex: none; }
.pildora.ok { background: #dff3e4; color: var(--bien); } .pildora.toxica { background: #fbe6e3; color: var(--alerta); } .pildora.sinDato { background: #fbefd9; color: var(--aviso); }
.pildora.ok svg, .pildora.toxica svg, .pildora.sinDato svg { color: currentColor; }
.enlace { background: none; border: 0; padding: 6px 2px; font-weight: 700; font-size: 14px; color: var(--bosque); text-decoration: underline; text-underline-offset: 4px; }

.zonas { display: grid; gap: 12px; }
.zona { border-radius: 20px; padding: 12px 14px; background: rgba(255, 255, 255, .62); border: 1px solid var(--linea); display: grid; gap: 10px; }
.zona-cab { display: flex; align-items: center; gap: 10px; justify-content: space-between; flex-wrap: wrap; }
.zona-cab b { font-size: 15px; }
.zona-actual { display: flex; gap: 8px; align-items: center; font-size: 13px; color: var(--tinta-suave); }
.punto { width: 18px; height: 18px; border-radius: 50%; border: 1px solid rgba(0, 0, 0, .2); display: inline-block; flex: none; }
.muestras { display: flex; flex-wrap: wrap; gap: 7px; }
.muestra { width: 30px; height: 30px; border-radius: 50%; border: 1px solid rgba(0, 0, 0, .18); padding: 0; }
.muestra.on { outline: 2px solid var(--tinta); outline-offset: 2px; }
.muestra.igual { width: auto; border-radius: 999px; padding: 0 12px; font-size: 13px; background: #fff; }
.zona.fija { background: rgba(255, 255, 255, .35); border-style: dashed; font-size: 14px; color: var(--tinta-suave); }
.dibujo { display: flex; gap: 10px; align-items: flex-start; margin-top: 12px; font-size: 14px; color: var(--tinta-suave); }
.dibujo input { width: 18px; height: 18px; margin-top: 2px; accent-color: var(--bosque); }
.ficha-molde { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px 20px; border-radius: 20px; padding: 14px 16px; background: rgba(255, 255, 255, .55); border: 1px solid var(--linea); font-size: 14px; margin: 0; }
.ficha-molde div { display: flex; justify-content: space-between; gap: 10px; border-bottom: 1px dashed var(--linea); padding-bottom: 6px; }
.ficha-molde dt { color: var(--tinta-suave); } .ficha-molde dd { margin: 0; font-weight: 500; font-variant-numeric: tabular-nums; }
.chips { display: flex; gap: 8px; flex-wrap: wrap; }
.chips button { display: inline-flex; align-items: center; gap: 8px; padding: 8px 13px; border-radius: 999px; border: 1px solid var(--linea); background: rgba(255, 255, 255, .62); font-size: 14px; }
.chips button.on { border-color: var(--bosque); background: #fff; font-weight: 700; }
.mezcla { background: conic-gradient(#f4f4f0 0 25%, #f08fb4 0 50%, #7b4fc2 0 75%, #55d04a 0); }
.visor3d { position: relative; border-radius: 28px; overflow: hidden; height: 360px; background: radial-gradient(circle at 50% 35%, #fff 0, #e6efdc 72%); }
.visor3d canvas { display: block; width: 100%; height: 100%; touch-action: pan-y; }
.visor-pista { position: absolute; left: 14px; top: 12px; padding: 6px 12px; border-radius: 999px; font-size: 12px; }
.foto-ia-btn { margin-top: 12px; width: 100%; }
.total { display: flex; justify-content: space-between; align-items: center; gap: 16px; border-radius: 22px; padding: 14px 18px; flex-wrap: wrap; }
.total .t { font: 500 36px/1 var(--serif); font-variant-numeric: tabular-nums; display: block; margin-top: 4px; }
.total small { color: var(--tinta-suave); font-size: 13px; }
.total-nota { max-width: 24ch; text-align: right; }
.agregar { width: 100%; padding: 16px; font-size: 17px; }

/* galería */
.galeria { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 16px; }
.tarjeta { border-radius: 26px; overflow: hidden; display: grid; grid-template-rows: auto 1fr; }
.tarjeta img { aspect-ratio: 1; object-fit: cover; width: 100%; height: auto; }
.tarjeta div { padding: 12px 14px 14px; display: grid; gap: 8px; align-content: start; }
.tarjeta b { font: 500 18px/1.15 var(--serif); }
.tarjeta small { color: var(--tinta-suave); font-size: 13px; }
.tarjeta .puntos { display: flex; gap: 5px; }
.tarjeta .btn { justify-self: start; margin-top: 4px; }
.etiqueta-dibujo { font-size: 12px; color: var(--pincel); font-weight: 700; }
.mas { display: flex; justify-content: center; margin-top: 24px; }

/* cómo funciona */
.pasos { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.pasos li { border-radius: 26px; padding: 22px; display: grid; gap: 8px; align-content: start; }
.pasos b { font: 500 22px/1.1 var(--serif); }
.pasos p { color: var(--tinta-suave); font-size: 15px; }
.pasos .ic { width: 46px; height: 46px; border-radius: 14px; background: var(--hoja); display: grid; place-items: center; color: var(--bosque); }

/* nosotros */
.nosotros { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr); gap: 32px; align-items: center; background: var(--bosque); color: #fff; border-radius: 40px; padding: clamp(24px, 5vw, 56px); position: relative; overflow: hidden; }
.nosotros::before { content: ""; position: absolute; right: -10%; top: -30%; width: 60%; aspect-ratio: 1; border-radius: 50%; background: radial-gradient(circle, rgba(195, 238, 63, .3), transparent 65%); }
.nos-texto { position: relative; display: grid; gap: 16px; justify-items: start; }
.nosotros .ceja { color: var(--lima); }
.nosotros h2 { font-size: clamp(38px, 5vw, 62px); color: #fff; }
.nosotros h2 em { color: var(--lima); }
.nosotros p { color: rgba(255, 255, 255, .86); max-width: 50ch; font-size: 17px; }
.garantias { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.garantias li { display: flex; gap: 10px; align-items: flex-start; font-size: 15px; color: rgba(255, 255, 255, .86); }
.garantias svg { flex: none; color: var(--lima); margin-top: 2px; }
.nos-logo { position: relative; background: #FEF9F3; border-radius: 50%; padding: 6%; width: min(100%, 360px); height: auto; justify-self: center; }

/* pie */
.pie { padding-block: 30px 50px; color: var(--tinta-suave); font-size: 14px; }
.pie-in { border-top: 1px solid var(--linea); padding-top: 22px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; }

/* capas modales */
.capa-modal { position: fixed; inset: 0; z-index: 50; background: rgba(10, 54, 32, .38); backdrop-filter: blur(6px); display: flex; justify-content: flex-end; }
.capa-modal.centro { justify-content: center; align-items: center; padding: max(16px, env(safe-area-inset-top, 0px)) 16px max(16px, env(safe-area-inset-bottom, 0px)); }
.cajon { width: min(460px, 100%); height: 100%; overflow-y: auto; border-radius: 28px 0 0 28px; background: rgba(255, 255, 255, .86); padding: max(20px, env(safe-area-inset-top, 0px)) max(20px, env(safe-area-inset-right, 0px)) max(20px, env(safe-area-inset-bottom, 0px)) 20px; display: grid; align-content: start; gap: 18px; }
.cajon-cab { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.cajon-cab h2 { font-size: 30px; }
.carrito-lista { display: grid; gap: 10px; }
.item { display: grid; grid-template-columns: 64px 1fr auto; gap: 12px; align-items: center; background: #fff; border: 1px solid var(--linea); border-radius: 18px; padding: 10px; }
.item img { width: 64px; height: 64px; border-radius: 12px; object-fit: cover; }
.item b { font-size: 15px; display: block; }
.item small { color: var(--tinta-suave); font-size: 12px; display: block; }
.item .puntos { display: flex; gap: 4px; margin-top: 4px; }
.item .puntos .punto { width: 14px; height: 14px; }
.item-der { display: grid; gap: 6px; justify-items: end; }
.cantidad { display: flex; align-items: center; gap: 6px; }
.cantidad button { width: 28px; height: 28px; border-radius: 50%; border: 1px solid var(--linea); background: #fff; }
.quitar { background: none; border: 0; color: var(--alerta); padding: 2px; }
.vacio { color: var(--tinta-suave); text-align: center; padding: 30px 10px; display: grid; gap: 12px; justify-items: center; }
.carrito-pie { display: grid; gap: 10px; }
.carrito-total { display: flex; justify-content: space-between; align-items: baseline; font-size: 18px; }
.carrito-total b { font: 500 30px/1 var(--serif); font-variant-numeric: tabular-nums; }
.campo { font-size: 13px; color: var(--tinta-suave); }
.carrito-pie input { border: 1px solid var(--linea); border-radius: 14px; padding: 10px 14px; font: inherit; background: #fff; color: var(--tinta); }
.nota { font-size: 12px; color: var(--tinta-suave); }
.hoja { width: min(660px, 100%); max-height: 92vh; overflow-y: auto; border-radius: 32px; padding: clamp(18px, 3vw, 30px); background: rgba(255, 255, 255, .88); display: grid; gap: 16px; }
.hoja .cerrar { justify-self: end; margin-bottom: -6px; }
.hoja h2, .hoja h3 { font-size: 32px; }
.ficha-cab { display: grid; grid-template-columns: 120px 1fr; gap: 16px; align-items: center; }
.ficha-cab img { width: 120px; height: 120px; border-radius: 24px; object-fit: cover; }
.ficha-cab p { font-style: italic; color: var(--tinta-suave); }
.cuidados { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.cuidado { border-radius: 20px; padding: 14px 16px; background: rgba(255, 255, 255, .8); border: 1px solid var(--linea); display: grid; gap: 4px; align-content: start; }
.cuidado .k { display: flex; gap: 8px; align-items: center; font: 700 12px/1 var(--sans); letter-spacing: .12em; text-transform: uppercase; color: var(--bosque); }
.cuidado .k svg { width: 16px; height: 16px; }
.cuidado p { font-size: 14px; }
.cuidado.ancha { grid-column: 1 / -1; }
.foto-ia { border-radius: 24px; overflow: hidden; background: var(--hoja); min-height: 240px; display: grid; place-items: center; }
.foto-ia img { width: 100%; }
.foto-ia p { padding: 30px; text-align: center; color: var(--tinta-suave); }
.aviso { position: fixed; left: 50%; bottom: max(18px, env(safe-area-inset-bottom, 0px)); transform: translateX(-50%); z-index: 60; background: var(--bosque-hondo); color: #fff; padding: 12px 20px; border-radius: 999px; font-size: 14px; box-shadow: var(--sombra); max-width: calc(100% - 32px); }

@media (max-width: 860px) {
  .nav nav { display: none; }
  .nav .carrito-btn { margin-left: auto; }
  .marca span { font-size: 18px; }
  .capas { height: 300vh; }
  .capas-rejilla { grid-template-columns: 1fr; gap: 0; padding-top: 64px; height: 100%; align-content: end; }
  .capas-visor { position: absolute; inset: 64px 0 auto; height: 54%; margin: 0 auto; }
  .capas-texto { min-height: 0; padding-bottom: 20px; position: relative; z-index: 2; }
  .portada { background: var(--vidrio); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); border: 1px solid var(--vidrio-borde); border-radius: 26px; padding: 18px; }
  .portada h1 { font-size: 44px; margin-top: 10px; }
  .portada .sub { font-size: 15px; margin-top: 10px; }
  .ctas { margin-top: 14px; }
  .anatomia { padding: 14px 16px; }
  .anatomia h2 { display: none; }
  .lista-capas li { padding: 5px 8px; }
  .lista-capas li span { display: none; }
  .lista-capas li.on span { display: block; }
  .pista { display: none; }
  .franja-asistente { margin-top: 0; }
  .pasos { grid-template-columns: 1fr; }
  .nosotros { grid-template-columns: 1fr; }
  .nos-logo { width: 220px; }
}
@media (max-width: 520px) {
  .carrusel { grid-template-columns: minmax(0, 1fr); }
  .carrusel .flecha { display: none; }
  .ficha-molde, .cuidados { grid-template-columns: 1fr; }
  .ficha-cab { grid-template-columns: 84px 1fr; }
  .ficha-cab img { width: 84px; height: 84px; }
  .total-nota { text-align: left; }
  .cajon { border-radius: 0; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}