/* Demo «Catálogos digitales» · Café de Altura (marca ficticia) */
body.claro {
  --fondo: #F4EEE4;
  --superficie: #FFFCF7;
  --superficie-2: #EFE6D8;
  --borde: rgba(43, 29, 20, .1);
  --texto: #2B1D14;
  --suave: #6E5A4A;
  --tenue: #A08D7C;
  --acento: #A8461F;
  --acento-2: #3F6B4A;
  --acento-texto: #FFF8EF;
  --radio: 16px;
  --sk-base: rgba(43, 29, 20, .07);
  --sk-brillo: rgba(255, 252, 247, .7);
  --serif: 'Instrument Serif', Georgia, serif;
}
body { background: radial-gradient(1200px 500px at 85% -10%, #EBD9BE, transparent), var(--fondo); }
.envoltura { width: min(1240px, 100%); margin: 0 auto; padding: 0 24px; }
h1, h2 { font-family: var(--serif); font-weight: 400; letter-spacing: -.01em; }
.btn { border-radius: 999px; }
.btn.grande { height: 50px; padding: 0 22px; font-size: 15px; }
.btn.primario { box-shadow: 0 8px 20px -10px var(--acento); }

/* Cabecera */
.cabecera { position: sticky; top: var(--barra-alto); z-index: 40; background: color-mix(in srgb, var(--fondo) 88%, transparent); backdrop-filter: blur(12px) saturate(140%); -webkit-backdrop-filter: blur(12px) saturate(140%); border-bottom: 1px solid var(--borde); }
.cabecera-in { display: flex; align-items: center; gap: 20px; height: 70px; }
.marca { display: flex; align-items: center; gap: 10px; text-decoration: none; flex: none; }
.marca strong { display: block; font-family: var(--serif); font-size: 24px; font-weight: 400; line-height: 1; }
.marca small { display: block; font-size: 11.5px; color: var(--suave); letter-spacing: .04em; margin-top: 2px; }
.buscador { flex: 1; max-width: 460px; margin-left: auto; display: flex; align-items: center; gap: 8px; height: 44px; padding: 0 16px; border-radius: 999px; background: var(--superficie); border: 1px solid var(--borde); color: var(--suave); transition: border-color .2s, box-shadow .2s; }
.buscador:focus-within { border-color: var(--acento); box-shadow: 0 0 0 4px color-mix(in srgb, var(--acento) 15%, transparent); }
.buscador input { flex: 1; min-width: 0; border: 0; background: none; outline: none; height: 100%; color: var(--texto); }
.carrito-btn { position: relative; display: inline-flex; align-items: center; gap: 8px; height: 44px; padding: 0 18px; border-radius: 999px; border: 0; background: var(--texto); color: #FFF8EF; font-weight: 500; flex: none; transition: transform .2s var(--ease); }
.carrito-btn:hover { transform: translateY(-1px); }
.carrito-btn.rebota { animation: rebota .55s var(--ease); }
@keyframes rebota { 30% { transform: scale(1.12); } 60% { transform: scale(.95); } }
.globo { min-width: 22px; height: 22px; padding: 0 6px; border-radius: 99px; display: grid; place-items: center; background: var(--acento); font-size: 12px; font-weight: 600; animation: qa-pop .3s var(--ease); }
.grano { position: fixed; z-index: 1200; width: 18px; height: 18px; border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%; background: radial-gradient(circle at 35% 30%, #C26A3A, #5A2A12); pointer-events: none; box-shadow: inset -3px 0 0 rgba(0, 0, 0, .25); }

/* Portada */
.portada { display: grid; grid-template-columns: 1.4fr 1fr; gap: 40px; align-items: end; padding-top: 56px; padding-bottom: 36px; }
.portada-txt { display: grid; gap: 18px; justify-items: start; }
.sello { font-family: var(--mono); font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--acento-2); padding: 6px 12px; border: 1px dashed color-mix(in srgb, var(--acento-2) 50%, transparent); border-radius: 999px; }
.portada h1 { font-size: clamp(42px, 5.8vw, 76px); line-height: .98; }
.portada h1 em { color: var(--acento); }
.portada-txt p { font-size: 17.5px; color: var(--suave); max-width: 54ch; }
.portada-datos { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--borde); }
.portada-datos div { padding: 16px 12px 0 0; display: grid; gap: 2px; }
.portada-datos strong { font-family: var(--serif); font-size: 34px; font-weight: 400; line-height: 1.05; }
.portada-datos span { font-size: 13px; color: var(--suave); }

/* Herramientas */
.herramientas { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; padding: 18px 0 8px; border-top: 1px solid var(--borde); }
.chips { display: flex; gap: 8px; flex-wrap: wrap; }
.chip { height: 38px; padding: 0 16px; border-radius: 999px; border: 1px solid var(--borde); background: var(--superficie); color: var(--suave); font-weight: 500; font-size: 14px; transition: all .2s var(--ease); }
.chip:hover { color: var(--texto); border-color: color-mix(in srgb, var(--texto) 30%, transparent); }
.chip.activo { background: var(--texto); border-color: var(--texto); color: #FFF8EF; }
.chip:active { transform: scale(.95); }
.herr-der { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; }
.rango { display: grid; gap: 4px; font-size: 13px; color: var(--suave); min-width: 190px; }
.rango output { color: var(--texto); font-weight: 600; }
.rango input { --v: 100%; -webkit-appearance: none; appearance: none; width: 100%; height: 6px; border-radius: 99px; background: linear-gradient(90deg, var(--acento) var(--v), var(--superficie-2) var(--v)); outline-offset: 6px; }
.rango input::-webkit-slider-thumb { -webkit-appearance: none; width: 20px; height: 20px; border-radius: 50%; background: var(--superficie); border: 2px solid var(--acento); box-shadow: 0 2px 6px rgba(0, 0, 0, .15); cursor: grab; transition: transform .15s; }
.rango input:active::-webkit-slider-thumb { transform: scale(1.15); }
.rango input::-moz-range-thumb { width: 18px; height: 18px; border-radius: 50%; background: var(--superficie); border: 2px solid var(--acento); }
.orden select { height: 40px; border-radius: 999px; padding: 0 14px; background: var(--superficie); width: auto; }
.resultado-fila { padding: 8px 0 18px; }
.resultado { font-size: 12.5px; color: var(--tenue); }

/* Rejilla */
.rejilla { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; min-height: 420px; }
.tarjeta-p { position: relative; }
.tarjeta-abrir { display: block; width: 100%; padding: 0; border: 0; background: none; text-align: left; color: inherit; border-radius: 18px; }
.tarjeta-arte { position: relative; aspect-ratio: 1; border-radius: 18px; overflow: hidden; box-shadow: 0 1px 0 rgba(255, 255, 255, .6) inset, 0 14px 30px -22px rgba(43, 29, 20, .5); }
.arte { width: 100%; height: 100%; }
.arte-figura { transform-origin: 100px 180px; transition: transform .6s var(--ease); }
.tarjeta-abrir:hover .arte-figura { transform: translateY(-6px) rotate(-3deg) scale(1.04); }
.insignia { position: absolute; top: 12px; left: 12px; padding: 4px 10px; border-radius: 999px; background: var(--texto); color: #FFF8EF; font-size: 11.5px; font-weight: 600; }
.tarjeta-info { padding: 14px 4px 4px; display: grid; gap: 4px; }
.tarjeta-cat { font-family: var(--mono); font-size: 11px; letter-spacing: .06em; text-transform: uppercase; color: var(--tenue); }
.tarjeta-info h3 { font-family: var(--serif); font-weight: 400; font-size: 24px; letter-spacing: -.01em; line-height: 1.1; }
.notas { font-size: 13px; color: var(--suave); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.tarjeta-pie { display: flex; justify-content: space-between; align-items: baseline; margin-top: 6px; }
.precio { font-weight: 600; font-size: 16px; }
.precio small { font-weight: 400; color: var(--tenue); font-size: 12px; }
.cal { font-size: 12.5px; color: #C2841D; }
.cal strong { color: var(--texto); font-weight: 600; }
.cal small { color: var(--tenue); }
.agregar-rapido { position: absolute; top: calc(100% - 0px); right: 0; transform: translateY(-100%); }
.agregar-rapido { top: auto; bottom: auto; }
.tarjeta-p .agregar-rapido { position: absolute; right: 12px; top: 12px; transform: none; width: 42px; height: 42px; border-radius: 50%; border: 0; display: grid; place-items: center; background: var(--superficie); color: var(--texto); box-shadow: 0 6px 16px -6px rgba(43, 29, 20, .35); transition: transform .25s var(--ease), background .2s, color .2s; }
.tarjeta-p .agregar-rapido:hover { background: var(--acento); color: #FFF8EF; transform: rotate(90deg) scale(1.06); }
.tarjeta-p .agregar-rapido:active { transform: scale(.9); }
.vacio-cat { grid-column: 1 / -1; display: grid; justify-items: center; gap: 10px; padding: 64px 16px; text-align: center; color: var(--suave); border: 1px dashed var(--borde); border-radius: 20px; }
.vacio-cat strong { color: var(--texto); font-size: 18px; }

/* Detalle */
.qa-dialogo:has(.detalle) { border-radius: 24px; }
.detalle { display: grid; grid-template-columns: 1fr 1fr; min-height: 480px; }
.detalle-arte { position: relative; min-height: 320px; border-radius: 0; }
.detalle-arte .arte { position: absolute; inset: 0; }
.detalle-arte.sk { border-radius: 0; }
.detalle-info { padding: 26px 28px 28px; display: grid; gap: 14px; align-content: start; }
.detalle-top { display: flex; justify-content: space-between; align-items: center; }
.cerrar, .icono-btn { width: 38px; height: 38px; border-radius: 50%; border: 1px solid var(--borde); background: var(--superficie); display: grid; place-items: center; color: var(--texto); transition: transform .2s var(--ease), background .2s; flex: none; }
.cerrar:hover, .icono-btn:hover { background: var(--superficie-2); }
.cerrar:hover { transform: rotate(90deg); }
.detalle h2 { font-size: 40px; line-height: 1; }
.detalle-fila { display: flex; align-items: baseline; gap: 14px; }
.detalle-precio { font-size: 24px; font-weight: 600; display: inline-block; }
.detalle-precio.cambia { animation: cambia .35s var(--ease); }
@keyframes cambia { from { transform: translateY(6px); opacity: .3; } }
.detalle-desc { color: var(--suave); }
.notas-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.notas-chips span { padding: 5px 11px; border-radius: 999px; font-size: 12.5px; background: color-mix(in srgb, var(--acento-2) 12%, transparent); color: var(--acento-2); font-weight: 500; }
.ficha { display: grid; grid-template-columns: repeat(3, 1fr); margin: 0; border: 1px solid var(--borde); border-radius: 12px; }
.ficha div { padding: 10px 12px; }
.ficha div + div { border-left: 1px solid var(--borde); }
.ficha dt { font-size: 11.5px; color: var(--tenue); }
.ficha dd { margin: 0; font-size: 13.5px; font-weight: 500; }
.variante { border: 0; padding: 0; margin: 0; min-width: 0; }
.variante legend { font-size: 13px; font-weight: 600; margin-bottom: 8px; padding: 0; }
.opciones { display: flex; flex-wrap: wrap; gap: 6px; }
.opcion { min-height: 36px; padding: 6px 14px; border-radius: 999px; border: 1px solid var(--borde); background: var(--superficie); font-size: 13.5px; color: var(--suave); transition: all .18s var(--ease); }
.opcion:hover { color: var(--texto); border-color: color-mix(in srgb, var(--texto) 30%, transparent); }
.opcion.activo { border-color: var(--acento); color: var(--acento); background: color-mix(in srgb, var(--acento) 8%, var(--superficie)); box-shadow: inset 0 0 0 1px var(--acento); }
.detalle-accion { display: flex; gap: 10px; margin-top: 6px; }
.detalle-accion .btn { flex: 1; }
.stepper { display: inline-flex; align-items: center; gap: 4px; height: 50px; padding: 0 6px; border-radius: 999px; border: 1px solid var(--borde); background: var(--superficie); }
.stepper button { width: 38px; height: 38px; border-radius: 50%; border: 0; background: none; display: grid; place-items: center; transition: background .15s; }
.stepper button:hover { background: var(--superficie-2); }
.stepper span { min-width: 22px; text-align: center; font-weight: 600; }
.stepper.chico { height: 34px; padding: 0 3px; }
.stepper.chico button { width: 28px; height: 28px; }

/* Cajón del carrito */
.cajon[hidden] { display: none; }
.cajon { position: fixed; inset: 0; z-index: 1060; }
.cajon-velo { position: absolute; inset: 0; background: rgba(43, 29, 20, .35); backdrop-filter: blur(3px); opacity: 0; transition: opacity .35s; }
.cajon-panel { position: absolute; top: 0; right: 0; bottom: 0; width: min(440px, 100%); background: var(--superficie); display: flex; flex-direction: column; box-shadow: -30px 0 60px -30px rgba(43, 29, 20, .5); transform: translateX(100%); transition: transform .4s var(--ease); outline: none; overflow-y: auto; }
.cajon.abierto .cajon-velo { opacity: 1; }
.cajon.abierto .cajon-panel { transform: none; }
.cajon-cabeza { display: flex; align-items: center; gap: 10px; padding: 18px 20px; border-bottom: 1px solid var(--borde); position: sticky; top: 0; background: var(--superficie); z-index: 1; }
.cajon-cabeza h2 { font-size: 28px; margin-right: auto; }
.envio-gratis { padding: 14px 20px; display: grid; gap: 8px; font-size: 13.5px; color: var(--suave); background: color-mix(in srgb, var(--acento-2) 7%, transparent); }
.envio-gratis p { display: flex; align-items: center; gap: 4px; }
.envio-gratis strong { color: var(--texto); }
.envio-gratis .icono { color: var(--acento-2); }
.barra-envio { height: 6px; border-radius: 99px; background: var(--superficie-2); overflow: hidden; }
.barra-envio i { display: block; height: 100%; background: var(--acento-2); border-radius: 99px; transition: width .5s var(--ease); }
.lineas { list-style: none; margin: 0; padding: 6px 20px; flex: 1; }
.linea { display: grid; grid-template-columns: 64px 1fr auto; gap: 12px; align-items: start; padding: 14px 0; animation: qa-subir .4s var(--ease) both; }
.linea + .linea { border-top: 1px solid var(--borde); }
.linea-arte { width: 64px; height: 64px; border-radius: 12px; overflow: hidden; }
.linea-info { display: grid; gap: 3px; justify-items: start; min-width: 0; }
.linea-info strong { font-size: 14.5px; }
.linea-info small { color: var(--suave); font-size: 12.5px; }
.linea-info .stepper { margin-top: 4px; }
.linea-precio { font-weight: 600; font-size: 14.5px; }
.cajon-pie { padding: 16px 20px calc(20px + env(safe-area-inset-bottom)); border-top: 1px solid var(--borde); display: grid; gap: 14px; position: sticky; bottom: 0; background: var(--superficie); }
.totales { margin: 0; display: grid; gap: 6px; }
.totales div { display: flex; justify-content: space-between; font-size: 14px; color: var(--suave); }
.totales dd { margin: 0; color: var(--texto); }
.totales .total { font-size: 17px; color: var(--texto); font-weight: 600; padding-top: 8px; border-top: 1px dashed var(--borde); }
.wa-btn { background: #1E8E4E !important; box-shadow: 0 8px 20px -10px #1E8E4E !important; }
.cajon-vacio { flex: 1; display: grid; justify-items: center; align-content: center; gap: 10px; padding: 40px 28px; text-align: center; color: var(--suave); }
.cajon-vacio strong { color: var(--texto); font-size: 18px; }
.vapor { animation: vapor 2.4s ease-in-out infinite; }
@keyframes vapor { 50% { transform: translateY(-4px); opacity: .4; } }

/* Resumen de WhatsApp */
.resumen { padding: 18px 20px 24px; display: grid; gap: 16px; }
.resumen-form { display: grid; gap: 12px; }
.chat { border-radius: 16px; overflow: hidden; background: #ECE3D3; background-image: radial-gradient(rgba(43, 29, 20, .06) 1px, transparent 1px); background-size: 14px 14px; border: 1px solid var(--borde); }
.chat-cabeza { display: flex; align-items: center; gap: 10px; padding: 10px 14px; background: #1E5E3E; color: #fff; }
.chat-cabeza strong { display: block; font-size: 14px; }
.chat-cabeza small { font-size: 11.5px; opacity: .8; }
.chat-avatar { width: 32px; height: 32px; border-radius: 50%; display: grid; place-items: center; background: #E9C99B; color: #2B1D14; font-size: 12px; font-weight: 700; }
.burbuja { margin: 14px 14px 14px 40px; padding: 10px 12px 6px; background: #DCF5D0; border-radius: 12px 2px 12px 12px; box-shadow: 0 1px 1px rgba(0, 0, 0, .08); }
.burbuja-txt { margin: 0; white-space: pre-wrap; word-break: break-word; font-family: var(--fuente); font-size: 13px; line-height: 1.45; color: #1B2A1F; }
.burbuja-hora { display: block; text-align: right; font-size: 11px; color: #5D7A62; margin-top: 4px; }
.nota-wa { display: flex; gap: 6px; align-items: flex-start; font-size: 12.5px; color: var(--tenue); }
.nota-wa .icono { margin-top: 2px; }
.resumen-acciones { display: grid; grid-template-columns: auto 1fr; gap: 8px; }

/* Responsive */
@media (max-width: 1100px) { .rejilla { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 860px) {
  .portada { grid-template-columns: 1fr; gap: 28px; }
  .rejilla { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .detalle { grid-template-columns: 1fr; }
  .detalle-arte { min-height: 0; aspect-ratio: 4 / 3; }
  .herr-der { width: 100%; }
  .rango { flex: 1; }
}
@media (max-width: 640px) {
  .envoltura { padding: 0 16px; }
  .cabecera-in { flex-wrap: wrap; height: auto; padding: 10px 16px 12px; gap: 10px; }
  .buscador { order: 3; flex-basis: 100%; max-width: none; height: 42px; }
  .marca { margin-right: auto; }
  .marca strong { font-size: 21px; }
  .carrito-txt { display: none; }
  .carrito-btn { padding: 0 14px; }
  .portada { padding-top: 32px; padding-bottom: 24px; }
  .portada-txt p { font-size: 16px; }
  .portada-datos strong { font-size: 26px; }
  .chips { flex-wrap: nowrap; overflow-x: auto; margin: 0 -16px; padding: 2px 16px 6px; scrollbar-width: none; width: calc(100% + 32px); }
  .chips::-webkit-scrollbar { display: none; }
  .chip { flex: none; }
  .herr-der { gap: 12px; }
  .orden { flex: 1 1 100%; }
  .orden select { width: 100%; }
  .rejilla { gap: 14px 12px; }
  .tarjeta-info h3 { font-size: 20px; }
  .tarjeta-pie { flex-direction: column; gap: 2px; }
  .tarjeta-p .agregar-rapido { width: 38px; height: 38px; right: 8px; top: 8px; }
  .insignia { top: 8px; left: 8px; font-size: 10.5px; padding: 3px 8px; }
  .detalle-info { padding: 20px; }
  .detalle h2 { font-size: 34px; }
  .detalle-accion { flex-direction: column; }
  .stepper { align-self: flex-start; }
  .qa-velo:has(.detalle) { padding: 10px; }
}