/* Van Deer · tienda (diseño propuesta 3 + fondo shader) */
:root {
  --fondo: #1E2821; --panel: #2F3A32; --panel-2: #3A463D; --hueso: #E6D8C4; --hueso-2: #CFC2AE;
  --laton: #B08A4A; --laton-claro: #D2AE6E; --linea: rgba(230,216,196,.16); --tenue: rgba(230,216,196,.62);
  --rojo: #E58B76; --ok: #8FD19E; --wa: #25D366;
}
* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html { font-size: 18px; }
body { margin: 0; font-family: "Archivo", system-ui, sans-serif; background: var(--fondo); color: var(--hueso); line-height: 1.45; min-height: 100vh; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; color: inherit; }
img { max-width: 100%; }
.wrap { max-width: 1040px; margin: 0 auto; padding: 0 16px; }
main { position: relative; z-index: 1; }

/* Fondo animado (shader) */
#fondo-glsl { position: fixed; inset: 0; width: 100%; height: 100%; z-index: 0; pointer-events: none; display: block; }
@supports (height: 100lvh) { #fondo-glsl { bottom: auto; height: 100lvh; } }

/* Encabezado */
header.top { border-bottom: 1px solid var(--linea); background: rgba(30,40,33,.9); backdrop-filter: blur(8px); position: sticky; top: 0; z-index: 50; }
header.top .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.marca { font-weight: 800; letter-spacing: .14em; text-transform: uppercase; font-size: .95rem; }
.marca span { color: var(--laton-claro); }
.pedido-btn { border: 2px solid var(--laton); border-radius: 12px; padding: 8px 14px; font-weight: 700; font-size: .95rem; white-space: nowrap; }
.pedido-btn b { color: var(--laton-claro); }

/* Botones */
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 60px; padding: 0 26px; border-radius: 14px; border: 0; font-weight: 800; font-size: 1.1rem; }
.btn-laton { background: var(--laton); color: var(--fondo); }
.btn-borde { border: 2px solid var(--linea); color: var(--hueso); }
.btn:disabled { background: var(--panel-2); color: var(--tenue); cursor: not-allowed; }

/* Hero con fotos */
.hero { position: relative; overflow: hidden; min-height: calc(88svh - 64px); display: flex; align-items: flex-end; background: var(--fondo); }
.hero .fotos { position: absolute; inset: 0; }
.hero .fotos img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0; transition: opacity 1.4s ease; transform: scale(1.08); }
.hero .fotos img.on { opacity: 1; animation: acercar 7s ease-out forwards; }
@keyframes acercar { from { transform: scale(1.08); } to { transform: scale(1); } }
.hero .velo { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(30,40,33,.15) 0%, rgba(30,40,33,.55) 50%, rgba(30,40,33,.97) 100%); }
.hero .wrap { position: relative; width: 100%; padding-bottom: 28px; }
.hero .eti { color: var(--laton-claro); font-weight: 700; letter-spacing: .14em; text-transform: uppercase; font-size: .8rem; }
.hero h1 { font-size: clamp(2.3rem, 9vw, 4.2rem); line-height: 1; margin: 10px 0 12px; font-weight: 800; letter-spacing: -.015em; max-width: 13ch; }
.hero p { color: var(--hueso-2); margin: 0 0 20px; font-size: 1.05rem; max-width: 34ch; }
.puntos { display: flex; gap: 8px; margin-top: 22px; }
.puntos i { width: 26px; height: 4px; border-radius: 4px; background: rgba(230,216,196,.25); transition: background .3s; }
.puntos i.on { background: var(--laton-claro); }
.mats { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; padding-top: 22px; }
.mat-btn { position: relative; border-radius: 18px; overflow: hidden; aspect-ratio: 1 / .8; display: flex; align-items: flex-end; padding: 14px; border: 1px solid var(--linea); background: var(--panel); }
.mat-btn img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .55; transition: opacity .2s, transform .4s; }
.mat-btn:hover img { opacity: .75; transform: scale(1.04); }
.mat-btn span { position: relative; font-weight: 800; font-size: 1.2rem; line-height: 1.1; text-shadow: 0 1px 8px rgba(0,0,0,.5); }
.mat-btn small { display: block; font-weight: 600; font-size: .85rem; color: var(--hueso-2); }
@media (min-width: 860px) { .mats { grid-template-columns: repeat(4, 1fr); } }

/* Secciones por material */
.material { padding: 40px 0 8px; scroll-margin-top: 72px; }
.material h2 { font-size: 1.5rem; font-weight: 800; margin: 0 0 4px; }
.material > p { margin: 0 0 16px; color: var(--tenue); }
.grid { display: grid; grid-template-columns: 1fr; gap: 14px; }
@media (min-width: 640px) { .grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 960px) { .grid { grid-template-columns: 1fr 1fr 1fr; } }
.card { display: grid; grid-template-columns: 104px 1fr auto; gap: 14px; align-items: center; background: var(--panel); border-radius: 16px; padding: 10px 12px 10px 10px; border: 1px solid transparent; transition: border-color .15s; }
.card:hover { border-color: var(--laton); }
.card img { width: 104px; height: 104px; object-fit: cover; border-radius: 12px; display: block; background: var(--panel-2); }
.card h3 { margin: 0 0 2px; font-size: 1.08rem; font-weight: 700; line-height: 1.2; }
.card .p { font-size: 1.15rem; font-weight: 800; color: var(--laton-claro); }
.card .m { font-size: .88rem; color: var(--tenue); }
.card .m.agot { color: var(--rojo); }
.card .flecha { font-size: 1.7rem; color: var(--laton); }
.ayuda { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 20px; border: 1px solid var(--linea); border-radius: 16px; margin: 40px 0 48px; background: rgba(30,40,33,.7); }
.ayuda b { color: var(--wa); white-space: nowrap; }
footer.pie { position: relative; z-index: 1; border-top: 1px solid var(--linea); padding: 24px 0 120px; color: var(--tenue); font-size: .9rem; background: rgba(30,40,33,.8); }

/* Producto */
.volver { display: inline-block; padding: 14px 0 6px; color: var(--tenue); font-weight: 600; }
.pdp { padding-bottom: 150px; }
.foto { aspect-ratio: 1; border-radius: 16px; overflow: hidden; background: var(--panel); margin-top: 6px; }
.foto img { width: 100%; height: 100%; object-fit: cover; display: block; }
.miniaturas { display: flex; gap: 8px; margin-top: 8px; overflow-x: auto; }
.miniaturas img { width: 64px; height: 64px; object-fit: cover; border-radius: 10px; cursor: pointer; border: 2px solid transparent; flex: 0 0 auto; }
.miniaturas img.on { border-color: var(--laton-claro); }
.cab { margin: 16px 0 4px; }
.cab .mat { color: var(--laton-claro); font-weight: 700; font-size: .85rem; letter-spacing: .12em; text-transform: uppercase; }
.cab h1 { margin: 4px 0 4px; font-size: 1.65rem; font-weight: 800; line-height: 1.15; }
.cab .p { font-size: 1.45rem; font-weight: 800; color: var(--laton-claro); }
.cab .p small { font-size: .8rem; color: var(--tenue); font-weight: 500; }
.regla { color: var(--tenue); margin: 4px 0 0; }
.desc { color: var(--hueso-2); margin-top: 10px; }
.bloque { background: var(--panel); border-radius: 18px; padding: 18px 16px; margin-top: 16px; }
.bloque h3 { margin: 0 0 4px; font-size: 1.1rem; }
.bloque .sub { margin: 0 0 14px; color: var(--tenue); font-size: .95rem; }
.colores { display: grid; grid-template-columns: repeat(auto-fill, minmax(96px, 1fr)); gap: 10px; }
.color { background: var(--panel-2); border: 2px solid transparent; border-radius: 14px; padding: 6px 6px 8px; text-align: center; }
.color img { width: 100%; aspect-ratio: 1; object-fit: cover; border-radius: 9px; display: block; }
.color .sinfoto { width: 100%; aspect-ratio: 1; border-radius: 9px; background: var(--fondo); }
.color span { display: block; margin-top: 6px; font-weight: 700; font-size: .92rem; text-transform: capitalize; line-height: 1.2; }
.color.sel { border-color: var(--laton-claro); background: #45523F; }
.color.sin span::after { content: "Agotado"; display: block; font-weight: 600; font-size: .76rem; color: var(--rojo); }
.tallas { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
@media (min-width: 420px) { .tallas { grid-template-columns: repeat(4, 1fr); } }
.talla { min-height: 66px; border-radius: 14px; border: 2px solid var(--linea); background: var(--panel-2); font-size: 1.3rem; font-weight: 800; display: grid; place-items: center; line-height: 1.1; padding: 6px 4px; }
.talla.sel { background: var(--laton); border-color: var(--laton); color: var(--fondo); }
.talla.agotada { background: transparent; border-style: dashed; color: rgba(230,216,196,.32); text-decoration: line-through; }
.talla.agotada small { display: block; text-decoration: none; font-size: .72rem; font-weight: 700; color: var(--rojo); }
.aviso { margin-top: 12px; padding: 12px 14px; border-radius: 12px; background: rgba(229,139,118,.12); border: 1px solid rgba(229,139,118,.35); color: #F4C3B6; display: none; }
.aviso.on { display: block; }
.aviso b { text-transform: capitalize; color: var(--hueso); }
.aviso a { color: var(--wa); font-weight: 700; }
.elegido { font-size: 1.05rem; margin: 0 0 12px; }
.elegido b { text-transform: capitalize; color: var(--laton-claro); }
.cantidad { display: flex; align-items: center; gap: 10px; }
.cantidad button { width: 66px; height: 66px; border-radius: 14px; border: 0; background: var(--panel-2); font-size: 1.9rem; font-weight: 700; color: var(--laton-claro); }
.cantidad input { width: 96px; height: 66px; text-align: center; font: inherit; font-size: 1.5rem; font-weight: 800; border: 2px solid var(--linea); border-radius: 14px; background: var(--fondo); color: var(--hueso); }
.disp { color: var(--tenue); font-size: .95rem; margin-top: 8px; }
.agregar { width: 100%; min-height: 64px; border: 0; border-radius: 16px; background: var(--laton); color: var(--fondo); font-size: 1.2rem; font-weight: 800; margin-top: 16px; }
.agregar:disabled { background: var(--panel-2); color: var(--tenue); }
.llevas ul { list-style: none; margin: 0; padding: 0; }
.llevas li { display: flex; justify-content: space-between; align-items: center; padding: 10px 0; border-bottom: 1px solid var(--linea); }
.llevas li:last-child { border-bottom: 0; }
.llevas li span b { text-transform: capitalize; }
.quitar { border: 0; background: none; color: var(--rojo); font-weight: 700; padding: 8px; }
.progreso { height: 12px; background: var(--panel-2); border-radius: 999px; overflow: hidden; margin: 10px 0 6px; }
.progreso i { display: block; height: 100%; background: var(--laton); transition: width .25s; }
.progreso.ok i { background: var(--ok); }
@media (min-width: 860px) {
  .pdp { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
  .pdp .galeria { position: sticky; top: 84px; }
}

/* Barra fija */
.barra { position: fixed; left: 0; right: 0; bottom: 0; background: var(--hueso); color: var(--fondo); padding: 12px 16px calc(12px + env(safe-area-inset-bottom)); z-index: 40; }
.barra .wrap { display: flex; align-items: center; gap: 12px; padding: 0; }
.barra .tot { flex: 1; line-height: 1.25; }
.barra .tot b { font-size: 1.25rem; display: block; }
.barra .tot span { font-size: .9rem; }
.barra .btn { background: var(--fondo); color: var(--hueso); min-height: 56px; padding: 0 20px; }

/* Carrito y pago */
.titulo-pag { font-size: 1.7rem; margin: 24px 0 4px; }
.modelo { background: var(--panel); border-radius: 18px; padding: 14px; margin-top: 14px; }
.modelo .enc { display: grid; grid-template-columns: 64px 1fr; gap: 12px; align-items: center; }
.modelo .enc img { width: 64px; height: 64px; object-fit: cover; border-radius: 10px; }
.modelo .enc h3 { margin: 0; font-size: 1.05rem; }
.modelo .estado { font-weight: 700; font-size: .95rem; }
.modelo .estado.falta { color: var(--rojo); }
.modelo .estado.ok { color: var(--ok); }
.linea { display: flex; justify-content: space-between; align-items: center; gap: 10px; padding: 10px 0; border-top: 1px solid var(--linea); }
.linea .d b { text-transform: capitalize; }
.linea .d small { color: var(--tenue); }
.mini { display: flex; align-items: center; background: var(--panel-2); border-radius: 12px; }
.mini button { width: 48px; height: 48px; border: 0; background: none; font-size: 1.4rem; font-weight: 700; color: var(--laton-claro); }
.mini output { min-width: 36px; text-align: center; font-weight: 800; }
.mas-modelo { display: inline-block; margin-top: 10px; color: var(--laton-claro); font-weight: 700; padding: 6px 0; }
.caja { margin: 20px 0 0; padding: 16px; border-radius: 18px; background: var(--panel); }
.caja h2 { margin: 0 0 12px; font-size: 1.2rem; }
.fila-t { display: flex; justify-content: space-between; padding: 4px 0; }
.fila-t.total { font-size: 1.2rem; font-weight: 800; border-top: 1px solid var(--linea); margin-top: 6px; padding-top: 10px; }
.bloqueo { margin: 12px 0 0; color: var(--rojo); font-weight: 600; }
.campos { display: grid; grid-template-columns: 1fr; gap: 12px; }
@media (min-width: 640px) { .campos { grid-template-columns: 1fr 1fr; } }
.campos label, .caja > label { display: block; font-size: .95rem; color: var(--hueso-2); font-weight: 600; }
.campos input, .caja textarea { display: block; width: 100%; margin-top: 6px; min-height: 54px; padding: 12px 14px; border-radius: 12px; border: 2px solid var(--linea); background: var(--fondo); color: var(--hueso); font: inherit; font-size: 1.05rem; }
.campos input:focus, .caja textarea:focus { outline: none; border-color: var(--laton-claro); }
.opcion { display: flex; align-items: center; gap: 12px; padding: 14px; border: 2px solid var(--linea); border-radius: 14px; margin-top: 10px; cursor: pointer; font-weight: 600; }
.opcion input { width: 24px; height: 24px; accent-color: var(--laton); }
.opcion:has(input:checked) { border-color: var(--laton-claro); background: var(--panel-2); }
.opcion small { display: block; font-weight: 500; color: var(--tenue); }
.pagar { width: 100%; margin: 16px 0 0; }
.msg { min-height: 1.2em; color: var(--rojo); font-weight: 600; margin: 10px 0 0; }
.vacio { text-align: center; padding: 60px 0; color: var(--tenue); }
.espacio-final { height: 140px; }

/* Pedido */
.estado-p { display: inline-block; padding: 6px 14px; border-radius: 999px; font-weight: 700; background: var(--panel-2); }
.e-pagado, .e-completado, .e-enviado { color: var(--ok); }
.e-en_espera, .e-pendiente_pago { color: var(--laton-claro); }
.e-cancelado { color: var(--rojo); }
.banco li { padding: 4px 0; }
.banco b { color: var(--laton-claro); }
.ok-txt { color: var(--ok); }

.toast { position: fixed; left: 50%; bottom: 100px; transform: translateX(-50%); background: var(--laton); color: var(--fondo); padding: 14px 20px; border-radius: 14px; font-weight: 700; opacity: 0; transition: opacity .2s; pointer-events: none; z-index: 60; max-width: calc(100% - 32px); text-align: center; }
.toast.on { opacity: 1; }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation: none !important; transition: none !important; } }