/* ==========================================================================
   /web: la calculadora de precios. Solo la carga /web.
   Las clases las arma assets/calculadora.js; aquí solo se visten.
   ========================================================================== */

.calc-seccion { background: var(--suelo-2); }
.calc-bloque { display: grid; grid-template-columns: minmax(0, 0.7fr) minmax(0, 1.3fr); gap: clamp(32px, 5vw, 80px); align-items: start; }
.calc-intro { position: sticky; top: 110px; }
.calc-intro h2 { margin-bottom: 22px; max-width: 12ch; }

.calc { min-width: 0; }
.calc-sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.calc-noscript { padding: 24px; border: 2px dashed var(--junta-fuerte); color: var(--tinta-2); }
.calc-noscript a { color: var(--ladrillo); font-weight: 700; }

/* Avance: una hilada que se va llenando */
.calc-top { display: flex; align-items: center; gap: 16px; margin-bottom: 16px; }
.calc-paso { font-size: 14px; font-weight: 650; color: var(--tinta-2); white-space: nowrap; font-variant-numeric: tabular-nums; }
.calc-barra { flex: 1; height: 10px; background: var(--suelo-3); overflow: hidden; }
.calc-barra span { display: block; height: 100%; background: var(--ladrillo); transition: width 0.5s var(--ease); }

.calc-card { border: 0; border-top: 1px solid var(--junta-fuerte); background: var(--suelo); padding: clamp(24px, 3vw, 36px); box-shadow: var(--sombra); min-width: 0; }
.calc-q { font-size: clamp(24px, 2.4vw, 32px); font-weight: 750; font-variation-settings: "wdth" 80; line-height: 1.12; letter-spacing: -0.015em; padding: 0; margin-bottom: 8px; text-wrap: balance; float: left; width: 100%; }
.calc-q ~ * { clear: both; }
.calc-q:focus { outline: none; }
.calc-ayuda { font-size: 16px; color: var(--tinta-2); }
.calc-opts { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 8px; margin-top: 22px; }

.calc-opt { position: relative; display: flex; gap: 14px; align-items: flex-start; min-height: 64px; padding: 16px 18px; cursor: pointer; background: var(--suelo-2); border: 2px solid transparent; transition: border-color 0.18s, background 0.18s; }
.calc-opt:hover { border-color: var(--junta-fuerte); }
/* El input real queda invisible pero sigue en el orden de tabulación */
.calc-opt input { position: absolute; opacity: 0; width: 1px; height: 1px; pointer-events: none; }
.calc-opt:has(input:focus-visible) { outline: 3px solid var(--ladrillo); outline-offset: 2px; }
.calc-marca { flex-shrink: 0; width: 22px; height: 22px; margin-top: 2px; border: 2px solid var(--junta-fuerte); border-radius: 50%; display: grid; place-items: center; transition: border-color 0.18s, background 0.18s; }
.calc-opt.check .calc-marca { border-radius: 0; }
.calc-txt { flex: 1; display: flex; flex-direction: column; gap: 4px; }
.calc-txt strong { font-size: 16.5px; line-height: 1.35; font-weight: 700; }
.calc-txt small { font-size: 14.5px; color: var(--tinta-2); line-height: 1.45; }
.calc-precio-op { flex-shrink: 0; font-family: var(--mono); font-size: 12.5px; color: var(--tinta-2); white-space: nowrap; margin-top: 3px; font-variant-numeric: tabular-nums; }

.calc-opt.sel { border-color: var(--ladrillo); background: color-mix(in srgb, var(--ladrillo) 9%, var(--suelo)); }
.calc-opt.sel .calc-marca { border-color: var(--ladrillo); background: var(--ladrillo); }
.calc-opt.sel .calc-marca::after { content: "\e182"; font-family: "Phosphor"; color: var(--sobre-ladrillo); font-size: 14px; line-height: 1; }
.calc-opt.sel .calc-precio-op { color: var(--ladrillo); font-weight: 600; }

/* Cantidad de productos: aparece al marcar "Sí, voy a vender productos" */
.calc-cantidad { margin-top: 16px; padding: 18px 20px; border: 2px dashed var(--junta-fuerte); }
.calc-cantidad[hidden] { display: none; }
.calc-cantidad label { display: block; font-weight: 700; font-size: 16px; margin-bottom: 10px; }
.calc-cantidad input { width: 100%; max-width: 220px; min-height: 52px; padding: 12px 16px; border: 2px solid var(--junta-fuerte); border-radius: 0; background: var(--suelo); color: var(--tinta); font-family: var(--fuente); font-size: 20px; font-weight: 700; font-variant-numeric: tabular-nums; }
.calc-cantidad input::placeholder { color: var(--tinta-2); opacity: 1; }
.calc-cantidad input:focus { outline: 3px solid var(--ladrillo); outline-offset: 2px; border-color: var(--ladrillo); }
.calc-cantidad-nota { margin-top: 8px; font-size: 14.5px; color: var(--tinta-2); }

.calc-nav { display: flex; justify-content: space-between; gap: 12px; margin-top: 18px; }

/* Transición entre preguntas */
.calc-entra-adelante { animation: calcAdelante 0.45s var(--ease) both; }
.calc-entra-atras { animation: calcAtras 0.45s var(--ease) both; }
@keyframes calcAdelante { from { opacity: 0; transform: translateX(28px); } to { opacity: 1; transform: none; } }
@keyframes calcAtras { from { opacity: 0; transform: translateX(-28px); } to { opacity: 1; transform: none; } }

/* RESULTADO: la placa de obra con el valor */
.calc-resultado { background: var(--suelo); border-top: 1px solid var(--ladrillo); padding: clamp(28px, 4vw, 44px); box-shadow: var(--sombra); scroll-margin-top: 100px; }
.calc-resultado:focus { outline: none; }
.calc-res-tag { font-variation-settings: "wdth" 125; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase; font-size: 13px; color: var(--tinta-2); }
.calc-res-intro { font-size: 21px; font-weight: 700; margin: 12px 0; line-height: 1.35; }
.calc-res-lista { list-style: none; display: grid; gap: 8px; margin-bottom: 26px; }
.calc-res-lista li { display: grid; grid-template-columns: 20px 1fr; gap: 10px; font-size: 16.5px; color: var(--tinta-2); }
.calc-res-lista li::before, .calc-beneficios li::before { content: "\e182"; font-family: "Phosphor"; color: var(--ladrillo); font-size: 17px; line-height: 1.5; }
.calc-res-precio { padding: 24px 0; border-top: 2px solid var(--junta); border-bottom: 2px solid var(--junta); }
.calc-res-precio > span:first-child { display: block; font-size: 15px; font-weight: 650; color: var(--tinta-2); }
.calc-res-precio b { font-size: clamp(48px, 7vw, 84px); font-weight: 750; font-variation-settings: "wdth" 72; letter-spacing: -0.025em; line-height: 1; font-variant-numeric: tabular-nums; color: var(--ladrillo); }
.calc-res-precio i { font-style: normal; font-size: 18px; color: var(--tinta-2); font-weight: 700; margin-left: 8px; }
.calc-res-nota { font-size: 15px; color: var(--tinta-2); margin-top: 12px; }
.calc-beneficios { list-style: none; display: grid; grid-template-columns: 1fr 1fr; gap: 10px 24px; margin: 24px 0 30px; }
.calc-beneficios li { display: grid; grid-template-columns: 20px 1fr; gap: 10px; font-size: 16px; font-weight: 600; }
.calc-acciones { display: flex; flex-direction: column; gap: 12px; align-items: stretch; }
.calc-wa { display: flex; align-items: center; justify-content: center; gap: 12px; min-height: 64px; padding: 16px 24px; text-decoration: none; background: var(--ladrillo); color: var(--sobre-ladrillo); font-size: 20px; font-weight: 750; text-align: center; transition: background 0.2s; }
.calc-wa .ph { font-size: 26px; }
.calc-wa:hover { background: var(--ladrillo-hover); }
.calc-acciones .calc-reset { align-self: center; }

/* Precio que acompaña desde la pregunta 3 */
.calc-sticky { position: fixed; left: 20px; bottom: 20px; z-index: 40; padding: 12px 18px; background: var(--tinta); color: var(--suelo); box-shadow: var(--sombra); font-size: 14.5px; font-weight: 650; animation: calcSticky 0.35s var(--ease) both; }
.calc-sticky b { color: var(--suelo); font-size: 18px; font-variant-numeric: tabular-nums; margin-left: 6px; }
.calc-sticky[hidden] { display: none; }
@keyframes calcSticky { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }

@media (max-width: 1080px) {
  .calc-bloque { grid-template-columns: 1fr; }
  .calc-intro { position: static; }
}

@media (max-width: 760px) {
  .calc-opts { grid-template-columns: 1fr; }
  .calc-opt { min-height: 72px; padding: 16px 14px; }
  .calc-precio-op { font-size: 11.5px; }
  .calc-nav .btn { flex: 1; }
  .calc-beneficios { grid-template-columns: 1fr; }
  .calc-wa { font-size: 18px; }
  .calc-sticky { left: 14px; bottom: 14px; padding: 10px 14px; }
}

@media (prefers-reduced-motion: reduce) {
  .calc-entra-adelante, .calc-entra-atras, .calc-sticky { animation: none; }
  .calc-barra span { transition: none; }
}