:root {
    --essen-dark: #1f2937;
    --essen-dark-2: #374151;
    --essen-orange: #ea580c;
    --essen-orange-dark: #c2410c;
    --bg: #f4f5f7;
    --text: #1f2937;
    --text-muted: #6b7280;
    --border: #e5e7eb;
    --white: #fff;
}
* { box-sizing: border-box; }
html, body {
    margin: 0;
    min-height: 100%;
    font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
}
a { color: inherit; text-decoration: none; }

.site-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--essen-dark);
    color: var(--white);
    padding: .9rem 1.25rem;
    position: sticky;
    top: 0;
    z-index: 10;
}
.site-brand { font-weight: 700; font-size: 1.1rem; color: var(--white); }
.btn-carrito {
    background: var(--essen-orange);
    color: var(--white);
    border: none;
    border-radius: 8px;
    padding: .5rem .9rem;
    font-weight: 600;
    cursor: pointer;
}
.carrito-contador {
    display: inline-block;
    background: rgba(255,255,255,.25);
    border-radius: 999px;
    padding: 0 .45rem;
    margin-left: .35rem;
}

.site-main { max-width: 1100px; margin: 0 auto; padding: 1.5rem 1rem 3rem; }
.site-footer { text-align: center; color: var(--text-muted); font-size: .85rem; padding: 1.5rem 1rem 2rem; }

.listado-titulo { margin-bottom: .25rem; }
.listado-subtitulo { color: var(--text-muted); margin-top: 0; }
.listado-vacio { color: var(--text-muted); }

.buscador-form { display: flex; gap: .5rem; align-items: center; margin: 1.25rem 0; }
.buscador-input {
    flex: 1;
    min-width: 0;
    padding: .65rem .9rem;
    border: 2px solid var(--border);
    border-radius: 999px;
    font-size: .95rem;
}
.buscador-input:focus { outline: none; border-color: var(--essen-orange); }
.buscador-btn {
    background: var(--essen-orange);
    color: var(--white);
    border: none;
    border-radius: 999px;
    padding: .65rem 1.25rem;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
}
.buscador-btn:hover { background: var(--essen-orange-dark); }
.buscador-limpiar { color: var(--text-muted); font-size: .85rem; white-space: nowrap; }
.buscador-resultados { color: var(--text-muted); font-weight: 600; margin: 0 0 .5rem; }

.destacados-seccion { margin: 1.5rem 0 2rem; padding-bottom: 1.5rem; border-bottom: 1px solid var(--border); }
.destacados-titulo { font-size: 1.05rem; margin-bottom: .75rem; color: var(--essen-orange-dark); }

.categorias-nav {
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    gap: .6rem;
    margin: 1.25rem 0 1.75rem;
    padding: .35rem .1rem .6rem;
    scrollbar-width: thin;
}
.categoria-pill {
    flex-shrink: 0;
    padding: .55rem 1.25rem;
    border-radius: 999px;
    border: 2px solid var(--border);
    background: var(--white);
    color: var(--text);
    font-size: .9rem;
    font-weight: 600;
    white-space: nowrap;
    box-shadow: 0 1px 2px rgba(0,0,0,.04);
    transition: transform .12s ease, box-shadow .12s ease, border-color .12s ease, background-color .12s ease, color .12s ease;
}
.categoria-pill:hover {
    border-color: var(--essen-orange);
    color: var(--essen-orange-dark);
    box-shadow: 0 3px 8px rgba(234,88,12,.18);
    transform: translateY(-1px);
}
.categoria-pill.activa {
    background: linear-gradient(135deg, var(--essen-orange), var(--essen-orange-dark));
    border-color: var(--essen-orange-dark);
    color: var(--white);
    box-shadow: 0 3px 10px rgba(194,65,12,.35);
}
.categoria-pill.activa:hover { color: var(--white); transform: none; }

.grilla-productos {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
    margin-top: 1.25rem;
}
.tarjeta-producto {
    background: var(--white);
    border-radius: 12px;
    box-shadow: 0 1px 3px rgba(0,0,0,.08);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}
.tarjeta-producto-link { display: block; padding: 0; }
.tarjeta-producto-imagen-wrap { position: relative; width: 100%; aspect-ratio: 1 / 1; overflow: hidden; background: var(--bg); }
.tarjeta-producto-imagen-wrap--vacia { background: var(--border); }
.tarjeta-producto-imagen-fondo {
    position: absolute; inset: 0; width: 100%; height: 100%;
    object-fit: cover; filter: blur(18px) brightness(0.95); transform: scale(1.15);
}
.tarjeta-producto-imagen { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; display: block; }
.tarjeta-producto-imagen--vacia { width: 100%; aspect-ratio: 1 / 1; background: var(--border); }
.tarjeta-producto-nombre { font-size: .95rem; margin: .6rem .75rem .1rem; }
.tarjeta-producto-colores { font-size: .8rem; color: var(--text-muted); margin: 0 .75rem .6rem; }
.btn-agregar {
    margin: auto .75rem .75rem;
    padding: .5rem;
    border: 1px solid var(--essen-orange);
    background: var(--white);
    color: var(--essen-orange-dark);
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
}
.btn-agregar:hover { background: var(--essen-orange); color: var(--white); }
.btn-agregar-grande { margin: 1rem 0 0; max-width: 260px; padding: .75rem 1rem; }

.volver-link { display: inline-block; margin-bottom: 1rem; color: var(--text-muted); }

.producto-detalle { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; }
@media (max-width: 720px) { .producto-detalle { grid-template-columns: 1fr; } }
.producto-galeria-imagen-wrap { position: relative; width: 100%; border-radius: 12px; margin-bottom: .5rem; aspect-ratio: 1/1; overflow: hidden; background: var(--bg); }
.producto-galeria-imagen-wrap--vacia { background: var(--border); }
.producto-galeria-imagen-fondo {
    position: absolute; inset: 0; width: 100%; height: 100%;
    object-fit: cover; filter: blur(18px) brightness(0.95); transform: scale(1.15);
}
.producto-galeria-imagen { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; display: block; }
.producto-galeria-imagen--vacia { width: 100%; border-radius: 12px; margin-bottom: .5rem; background: var(--border); aspect-ratio: 1/1; }
.producto-colores { color: var(--text-muted); }
.producto-descripcion { white-space: pre-line; line-height: 1.5; }

.producto-seccion { margin-top: 2.5rem; }
.producto-videos { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1rem; }
.video-embed { position: relative; padding-bottom: 56.25%; height: 0; border-radius: 10px; overflow: hidden; }
.video-embed iframe { position: absolute; top: 0; left: 0; width: 100%; height: 100%; border: 0; }
.producto-receta { background: var(--white); border-radius: 10px; padding: 1rem 1.25rem; margin-bottom: 1rem; box-shadow: 0 1px 3px rgba(0,0,0,.06); }
.receta-contenido { line-height: 1.55; }

.carrito-panel {
    position: fixed; inset: 0; background: rgba(0,0,0,.4);
    display: flex; justify-content: flex-end; z-index: 50;
}
.carrito-panel[hidden] { display: none; }
.carrito-panel-contenido {
    background: var(--white); width: min(380px, 100%); height: 100%;
    padding: 1.25rem; overflow-y: auto; display: flex; flex-direction: column;
}
.carrito-panel-header { display: flex; justify-content: space-between; align-items: center; }
.btn-cerrar { background: none; border: none; font-size: 1.6rem; cursor: pointer; line-height: 1; color: var(--text-muted); }
.carrito-items { flex: 1; margin: 1rem 0; }
.carrito-item { display: flex; justify-content: space-between; align-items: center; gap: .5rem; padding: .6rem 0; border-bottom: 1px solid var(--border); }
.carrito-item-nombre { flex: 1; font-size: .9rem; }
.carrito-item-cant { display: flex; align-items: center; gap: .4rem; }
.carrito-item-cant button { width: 26px; height: 26px; border-radius: 6px; border: 1px solid var(--border); background: var(--white); cursor: pointer; }
.carrito-item-quitar { background: none; border: none; color: #b91c1c; cursor: pointer; font-size: .8rem; }
.carrito-vacio { color: var(--text-muted); text-align: center; }
.btn-whatsapp {
    background: #16a34a; color: var(--white); border: none; border-radius: 8px;
    padding: .75rem; font-weight: 700; cursor: pointer; width: 100%;
}
.carrito-nota { font-size: .75rem; color: var(--text-muted); text-align: center; }

.pagina-404 { text-align: center; padding: 3rem 1rem; }