/* Kraftina Empaques — demo de portafolio de Ariel FyB Labs */

:root {
  --fondo: #fbf6ee;
  --fondo-alterno: #f3e8d8;
  --fondo-tarjeta: #ffffff;
  --tinta: #2b2118;
  --tinta-suave: #6b5a49;
  --borde: #e6d6c1;
  --kraft: #b98653;
  --kraft-oscuro: #8a5d33;
  --acento: #d9534f;
  --verde-wa: #1f9d55;
  --sombra: 0 10px 30px rgba(74, 48, 22, 0.1);
  --radio: 18px;
  --serif: 'Fraunces', Georgia, serif;
  --sans: 'DM Sans', system-ui, -apple-system, sans-serif;
}

html.oscuro {
  --fondo: #17120d;
  --fondo-alterno: #1f1811;
  --fondo-tarjeta: #251d15;
  --tinta: #f4ebdf;
  --tinta-suave: #c3b19c;
  --borde: #3a2e22;
  --kraft: #d6a56f;
  --kraft-oscuro: #e7bd8b;
  --acento: #f07a6b;
  --verde-wa: #3cc57a;
  --sombra: 0 10px 30px rgba(0, 0, 0, 0.35);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  margin: 0;
  font-family: var(--sans);
  background: var(--fondo);
  color: var(--tinta);
  line-height: 1.6;
  overflow-x: hidden;
}
h1, h2, h3 { font-family: var(--serif); line-height: 1.15; margin: 0 0 .5em; }
p { margin: 0 0 1em; }
a { color: inherit; }
img, svg { display: block; }
button { font: inherit; color: inherit; }

.contenedor { width: min(1120px, 100% - 32px); margin-inline: auto; }
.saltar { position: absolute; left: -999px; top: 8px; background: var(--tinta); color: var(--fondo); padding: 8px 14px; border-radius: 8px; z-index: 100; }
.saltar:focus { left: 8px; }
:focus-visible { outline: 3px solid var(--kraft); outline-offset: 2px; }

/* Botones */
.boton {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 22px; border-radius: 999px; font-weight: 700; text-decoration: none;
  border: 2px solid transparent; cursor: pointer; transition: transform .15s, background .2s;
}
.boton:hover { transform: translateY(-1px); }
.boton-principal { background: var(--tinta); color: var(--fondo); }
.boton-borde { border-color: var(--tinta); }
.boton-whatsapp { background: var(--verde-wa); color: #fff; width: 100%; }
.boton-icono {
  display: grid; place-items: center; width: 42px; height: 42px; border-radius: 50%;
  border: 1px solid var(--borde); background: var(--fondo-tarjeta); cursor: pointer;
}
.boton-icono svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; }
.icono-luna { display: none !important; }
html.oscuro .icono-sol { display: none !important; }
html.oscuro .icono-luna { display: block !important; }
.enlace { background: none; border: 0; text-decoration: underline; color: var(--tinta-suave); cursor: pointer; margin-top: 10px; }

/* Cabecera */
.cabecera {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--fondo) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent; transition: border-color .2s;
}
.cabecera.con-borde { border-color: var(--borde); }
.cabecera-fila { display: flex; align-items: center; justify-content: space-between; gap: 16px; height: 70px; }
.marca { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--kraft-oscuro); }
.marca-icono { width: 36px; height: 36px; }
.marca-texto { font-family: var(--serif); font-size: 1.35rem; font-weight: 800; color: var(--tinta); line-height: 1; }
.marca-texto small { display: block; font-family: var(--sans); font-size: .7rem; font-weight: 500; letter-spacing: .18em; text-transform: uppercase; color: var(--tinta-suave); }
.menu { display: flex; gap: 28px; }
.menu a { text-decoration: none; font-weight: 500; color: var(--tinta-suave); }
.menu a:hover { color: var(--tinta); }
.cabecera-acciones { display: flex; gap: 8px; }
.menu-boton { display: none; }

@media (max-width: 760px) {
  .menu-boton { display: grid; }
  .menu {
    position: absolute; top: 70px; left: 0; right: 0; flex-direction: column; gap: 0;
    background: var(--fondo); border-bottom: 1px solid var(--borde); display: none;
  }
  .menu.abierto { display: flex; }
  .menu a { padding: 14px 16px; border-top: 1px solid var(--borde); }
}

/* Portada */
.etiqueta { font-size: .78rem; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; color: var(--kraft-oscuro); margin-bottom: .8em; }
.portada { padding: 56px 0 72px; }
.portada-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; align-items: center; }
.portada h1 { font-size: clamp(2.3rem, 6vw, 4rem); letter-spacing: -.02em; }
.portada h1 em { font-style: italic; color: var(--kraft); }
.portada-texto { font-size: 1.12rem; color: var(--tinta-suave); max-width: 36em; }
.portada-botones { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0; }
.portada-datos { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 10px 26px; color: var(--tinta-suave); font-size: .95rem; }
.portada-datos strong { color: var(--tinta); }
.portada-arte { position: relative; aspect-ratio: 1; max-width: 460px; justify-self: center; width: 100%; }
.portada-arte::before { content: ''; position: absolute; inset: 8%; border-radius: 50%; background: var(--fondo-alterno); }
.arte { position: absolute; filter: drop-shadow(0 14px 18px rgba(74, 48, 22, .18)); }
.arte-1 { width: 52%; left: 8%; top: 18%; transform: rotate(-8deg); }
.arte-2 { width: 42%; right: 4%; top: 6%; transform: rotate(8deg); }
.arte-3 { width: 38%; right: 12%; bottom: 6%; transform: rotate(6deg); }
.arte-4 { width: 26%; left: 16%; bottom: 8%; }

@media (max-width: 860px) {
  .portada-grid { grid-template-columns: 1fr; }
  .portada-arte { max-width: 300px; order: -1; }
}

/* Secciones */
.seccion { padding: 72px 0; }
.seccion-alterna { background: var(--fondo-alterno); }
.seccion-cabeza { max-width: 640px; margin-bottom: 28px; }
.seccion-cabeza h2, .seccion h2 { font-size: clamp(1.8rem, 4vw, 2.6rem); }
.seccion-cabeza p:last-child { color: var(--tinta-suave); }

/* Filtros */
.filtros { display: flex; gap: 8px; overflow-x: auto; padding-bottom: 6px; margin-bottom: 24px; scrollbar-width: thin; }
.filtro {
  flex: none; padding: 9px 16px; border-radius: 999px; border: 1px solid var(--borde);
  background: var(--fondo-tarjeta); cursor: pointer; font-weight: 500;
}
.filtro[aria-pressed="true"] { background: var(--tinta); color: var(--fondo); border-color: var(--tinta); }

/* Productos */
.productos { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 18px; }
.producto {
  display: flex; flex-direction: column; background: var(--fondo-tarjeta); border: 1px solid var(--borde);
  border-radius: var(--radio); overflow: hidden; box-shadow: var(--sombra);
}
.producto-figura { display: grid; place-items: center; aspect-ratio: 4 / 3; background: var(--fondo-alterno); }
.producto-figura svg { width: 58%; height: auto; transition: transform .3s; }
.producto:hover .producto-figura svg { transform: translateY(-4px) rotate(-3deg); }
.producto-cuerpo { display: flex; flex-direction: column; gap: 4px; padding: 16px; flex: 1; }
.producto-categoria { font-size: .74rem; letter-spacing: .12em; text-transform: uppercase; color: var(--tinta-suave); margin: 0; }
.producto h3 { font-size: 1.15rem; margin: 0; }
.producto-medida { font-size: .9rem; color: var(--tinta-suave); margin: 0; }
.precios { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin: 12px 0 14px; }
.precio { border-radius: 12px; padding: 8px 10px; background: var(--fondo-alterno); }
.precio span { display: block; font-size: .72rem; color: var(--tinta-suave); }
.precio strong { font-size: 1.05rem; }
.precio-mayor { background: color-mix(in srgb, var(--kraft) 18%, var(--fondo-tarjeta)); }
.producto-accion { margin-top: auto; }
.producto-accion .boton { width: 100%; padding: 10px; }

.selector { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.selector button {
  width: 40px; height: 40px; border-radius: 50%; border: 1px solid var(--borde);
  background: var(--fondo-alterno); font-size: 1.2rem; cursor: pointer;
}
.selector input {
  width: 64px; text-align: center; border: 1px solid var(--borde); border-radius: 10px;
  padding: 8px 4px; background: var(--fondo-tarjeta); color: var(--tinta); font: inherit; font-weight: 700;
}
.selector-aviso { font-size: .78rem; color: var(--kraft-oscuro); margin: 6px 0 0; min-height: 1.2em; text-align: center; }
.nota-precios { margin-top: 18px; font-size: .85rem; color: var(--tinta-suave); }

/* Por mayor */
.mayoreo-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.mayoreo-grid p { color: var(--tinta-suave); }
.ventajas { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.ventajas li { display: flex; gap: 16px; background: var(--fondo-tarjeta); border: 1px solid var(--borde); border-radius: var(--radio); padding: 18px; }
.ventajas span { font-family: var(--serif); font-size: 1.5rem; font-weight: 800; color: var(--kraft); }
.ventajas h3 { font-size: 1.1rem; margin-bottom: 4px; }
.ventajas p { margin: 0; }
@media (max-width: 860px) { .mayoreo-grid { grid-template-columns: 1fr; gap: 28px; } }

/* Pasos y preguntas */
.pasos { list-style: none; counter-reset: paso; padding: 0; margin: 0 0 40px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.pasos li { counter-increment: paso; background: var(--fondo-tarjeta); border: 1px solid var(--borde); border-radius: var(--radio); padding: 22px; }
.pasos li::before {
  content: counter(paso); display: grid; place-items: center; width: 38px; height: 38px; border-radius: 50%;
  background: var(--tinta); color: var(--fondo); font-weight: 700; margin-bottom: 12px;
}
.pasos h3 { font-size: 1.15rem; }
.pasos p { color: var(--tinta-suave); margin: 0; }
@media (max-width: 760px) { .pasos { grid-template-columns: 1fr; } }

.preguntas { display: grid; gap: 10px; max-width: 760px; }
.preguntas details { background: var(--fondo-tarjeta); border: 1px solid var(--borde); border-radius: 14px; padding: 14px 18px; }
.preguntas summary { cursor: pointer; font-weight: 700; }
.preguntas p { margin: 10px 0 0; color: var(--tinta-suave); }

/* Contacto */
.contacto-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 40px; align-items: center; }
.contacto-grid p { color: var(--tinta-suave); }
.horario { margin: 0; background: var(--fondo-tarjeta); border: 1px solid var(--borde); border-radius: var(--radio); padding: 8px 20px; }
.horario div { display: flex; justify-content: space-between; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--borde); }
.horario div:last-child { border-bottom: 0; }
.horario dt { font-weight: 700; }
.horario dd { margin: 0; color: var(--tinta-suave); }
@media (max-width: 760px) { .contacto-grid { grid-template-columns: 1fr; } }

/* Pie */
.pie { padding: 28px 0 110px; border-top: 1px solid var(--borde); font-size: .9rem; color: var(--tinta-suave); }
.pie-fila { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; }
.pie p { margin: 0; }

/* Barra y panel de cotización */
.barra-cotizacion {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 60;
  background: var(--fondo-tarjeta); border-top: 1px solid var(--borde); box-shadow: 0 -8px 24px rgba(0,0,0,.08);
  padding: 12px 0;
}
.barra-cotizacion[hidden] { display: none; }
.barra-fila { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.barra-fila p { margin: 0; }

.panel {
  width: min(460px, 100%); max-height: 100dvh; height: 100dvh; margin: 0 0 0 auto; padding: 0;
  border: 0; background: var(--fondo); color: var(--tinta); display: none; flex-direction: column;
}
.panel[open] { display: flex; }
.panel::backdrop { background: rgba(20, 14, 8, .55); }
.panel-cabeza { display: flex; align-items: center; justify-content: space-between; padding: 18px 20px; border-bottom: 1px solid var(--borde); }
.panel-cabeza h2 { margin: 0; font-size: 1.5rem; }
.panel-lista { list-style: none; margin: 0; padding: 8px 20px; overflow-y: auto; flex: 1; }
.panel-lista li { padding: 14px 0; border-bottom: 1px solid var(--borde); }
.linea-cabeza { display: flex; justify-content: space-between; gap: 12px; font-weight: 700; }
.linea-detalle { font-size: .85rem; color: var(--tinta-suave); margin: 2px 0 10px; }
.panel-pie { padding: 16px 20px 22px; border-top: 1px solid var(--borde); text-align: center; }
.panel-total { display: flex; justify-content: space-between; font-size: 1.1rem; margin-bottom: 4px; }
.panel-total strong { font-family: var(--serif); font-size: 1.5rem; }
.panel-nota { font-size: .82rem; color: var(--tinta-suave); text-align: left; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}