/* ============================================================
   cotizador-moderno.css — SOLO para cotizador-moderno.html.
   Lo compartido (tokens, header, botones, título de subpágina,
   footer, reveal) vive en css/moderno.css.
   ============================================================ */

:root{--ease-out:cubic-bezier(.23,1,.32,1);}

/* ============================================================
   CALCULADORA (tarjeta que monta sobre el borde del hero)
   ============================================================ */
.calc{
  background:var(--white);border-radius:var(--r-card,28px);border:1px solid var(--line-soft);
  padding:1.25rem;box-shadow:0 34px 70px -40px rgba(7,28,52,.5);
}
@media (min-width:768px){.calc{padding:1.75rem;}}
@media (min-width:1024px){.calc{padding:2rem 2.25rem 2.25rem;}}

/* Pestañas Esponja / Aglutinado con pastilla deslizante */
.calc-tabs{
  position:relative;display:inline-flex;gap:.15rem;padding:.3rem;border-radius:var(--r-pill,99px);
  background:rgba(7,28,52,.06);
}
.calc-pill{
  position:absolute;top:.3rem;bottom:.3rem;left:0;width:0;border-radius:var(--r-pill,99px);background:var(--ink);
  transition:transform .32s var(--ease-out);
}
.calc-tab{
  position:relative;z-index:1;padding:.6rem 1.35rem;border-radius:var(--r-pill,99px);
  font-size:14px;font-weight:700;color:rgba(7,28,52,.6);white-space:nowrap;
  transition:color .2s var(--ease-out);
}
.calc-tab.is-active{color:#fff;}
@media (hover:hover) and (pointer:fine){.calc-tab:not(.is-active):hover{color:var(--ink);}}

.calc-panel{margin-top:1.75rem;position:relative;}
.calc-anchor{position:absolute;top:-8rem;}
.calc-grid{display:grid;grid-template-columns:1fr;gap:1.75rem;}
@media (min-width:1024px){.calc-grid{grid-template-columns:1.35fr 1fr;gap:2.25rem;align-items:stretch;}}

.calc-form{display:flex;flex-direction:column;align-items:flex-start;gap:1.5rem;min-width:0;}
.field-set{border:0;margin:0;padding:0;min-width:0;width:100%;}
.calc-label{display:block;font-size:13px;font-weight:700;color:var(--ink);margin-bottom:.55rem;}
.calc-intro{font-size:15px;line-height:1.6;color:rgba(7,28,52,.68);}
.calc-help{margin-top:.7rem;font-size:13px;}
.calc-help a{color:var(--blue);font-weight:700;text-decoration:underline;text-underline-offset:3px;text-decoration-color:rgba(0,65,127,.35);}
.calc-help a:hover{text-decoration-color:var(--blue);}

/* Densidades: pastillas */
.dens-row{display:flex;flex-wrap:wrap;gap:.45rem;}
.dens{
  padding:.6rem .95rem;border-radius:var(--r-pill,99px);
  font-size:13.5px;font-weight:700;color:rgba(7,28,52,.75);white-space:nowrap;
  background:var(--paper);border:1px solid var(--line);
  transition:background-color .18s var(--ease-out),color .18s var(--ease-out),border-color .18s var(--ease-out),transform .14s var(--ease-out);
}
@media (hover:hover) and (pointer:fine){.dens:not(.is-on):hover{border-color:rgba(7,28,52,.35);color:var(--ink);}}
.dens:active{transform:scale(.97);}
.dens.is-on{background:var(--yellow);border-color:var(--yellow);color:var(--ink);}

/* Medidas */
.dims{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:.75rem;width:100%;}
.dims-4{grid-template-columns:repeat(2,minmax(0,1fr));}
@media (min-width:640px){.dims-4{grid-template-columns:repeat(4,minmax(0,1fr));}}
.field{min-width:0;}
.calc-input{
  width:100%;height:3.5rem;padding:0 1rem;border-radius:var(--r-inner,16px);
  background:var(--paper);border:1px solid var(--line);
  font-size:17px;font-weight:700;color:var(--ink);font-variant-numeric:tabular-nums;
  transition:border-color .18s var(--ease-out),background-color .18s var(--ease-out),box-shadow .18s var(--ease-out);
}
.calc-input::placeholder{color:rgba(7,28,52,.64);font-weight:500;}
.calc-input:focus{outline:none;background:#fff;border-color:var(--ink);box-shadow:0 0 0 4px rgba(255,199,44,.45);}
.calc-input[aria-invalid="true"]{border-color:#B42318;background:#FFF6F5;}
.calc-limit{
  display:flex;gap:.6rem;align-items:flex-start;max-width:60ch;
  padding:.85rem 1rem;border-radius:var(--r-inner,16px);background:var(--paper);border:1px solid var(--line-soft);
  font-size:13.5px;line-height:1.55;color:rgba(7,28,52,.72);
}
.calc-limit .material-symbols-outlined{font-size:20px;color:var(--blue);flex:none;margin-top:.05rem;}
.calc-limit strong{color:var(--ink);font-weight:var(--fw-x,800);white-space:nowrap;}
.calc-limit a{color:var(--blue);font-weight:700;text-decoration:underline;text-underline-offset:3px;text-decoration-color:rgba(0,65,127,.35);}
.calc-limit a:hover{text-decoration-color:var(--blue);}
.calc-error{min-height:0;font-size:13.5px;font-weight:600;color:#B42318;}
.calc-error:empty{display:none;}

/* Resultado */
.calc-result{
  display:flex;flex-direction:column;align-items:flex-start;
  padding:1.75rem;border-radius:var(--r-card,22px);background:var(--ink);color:#fff;
}
@media (min-width:768px){.calc-result{padding:2.25rem;}}
.res-label{font-size:13px;font-weight:700;color:rgba(255,255,255,.62);}
.res-price{
  margin-top:.5rem;font-size:clamp(2.6rem,5vw,3.6rem);font-weight:var(--fw-x,800);line-height:1;letter-spacing:-.04em;
  font-variant-numeric:tabular-nums;color:var(--yellow);
}
.res-price.is-empty{font-size:17px;font-weight:600;line-height:1.5;letter-spacing:-.01em;color:rgba(255,255,255,.78);}
@media (prefers-reduced-motion:no-preference){
  .res-price.is-new{animation:resIn .45s cubic-bezier(.23,1,.32,1);}
  @keyframes resIn{from{opacity:0;transform:translateY(8px);filter:blur(3px);}to{opacity:1;transform:none;filter:none;}}
}
.res-detail{margin-top:.75rem;font-size:14.5px;font-weight:700;color:rgba(255,255,255,.86);}
.res-note{margin-top:.5rem;font-size:12.5px;line-height:1.55;color:rgba(255,255,255,.55);}
.res-iva{display:block;margin-bottom:.15rem;font-size:13.5px;font-weight:600;color:#fff;}
.calc-result .btn-wa{margin-top:auto;}
.calc-result .res-note + .btn-wa{margin-top:1.5rem;}

/* Foco de teclado sobre el resultado oscuro */
.calc-result :focus-visible{outline-color:var(--yellow);}

/* ============================================================
   CÓMO SE CALCULA
   ============================================================ */
.how{max-width:62rem;}
.how-list{list-style:none;margin:2.5rem 0 0;padding:0;display:grid;grid-template-columns:1fr;gap:1.5rem;}
@media (min-width:768px){.how-list{grid-template-columns:repeat(3,minmax(0,1fr));gap:2rem;}}
.how-list li{display:flex;flex-direction:column;gap:.75rem;padding-top:1.25rem;border-top:2px solid var(--ink);}
.how-list li:first-child{border-top-color:var(--yellow);}
.how-list .material-symbols-outlined{font-size:26px;color:var(--blue);}
.how-list p{font-size:15px;line-height:1.6;color:rgba(7,28,52,.68);}
.how-list strong{display:block;margin-bottom:.2rem;font-size:17px;font-weight:var(--fw-x,800);letter-spacing:-.02em;color:var(--ink);}
.how-note{margin-top:2.25rem;max-width:62ch;font-size:14.5px;line-height:1.65;color:rgba(7,28,52,.62);}

.how-note a{color:var(--blue);font-weight:700;text-decoration:underline;text-underline-offset:3px;text-decoration-color:rgba(0,65,127,.35);}
.how-note a:hover{text-decoration-color:var(--blue);}
#mensaje{scroll-margin-top:96px;}

/* ============================================================
   MENSAJE (formulario que arma WhatsApp o correo; vino de Contacto el 3-oct)
   ============================================================ */
.msg{display:grid;grid-template-columns:minmax(0,1fr);gap:2.5rem;}
@media (min-width:1024px){.msg{grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:4rem;align-items:start;}}

.msg-tips{list-style:none;margin:2rem 0 0;padding:0;display:flex;flex-direction:column;gap:.9rem;}
.msg-tips li{display:flex;align-items:flex-start;gap:.75rem;font-size:15px;line-height:1.55;color:rgba(7,28,52,.72);}
.msg-tips .material-symbols-outlined{font-size:21px;color:var(--blue);flex:none;margin-top:.05rem;}

.msg-card{
  display:flex;flex-direction:column;gap:1.4rem;
  padding:1.75rem;border-radius:var(--r-card,28px);background:var(--white);border:1px solid var(--line-soft);
  box-shadow:0 30px 60px -44px rgba(7,28,52,.55);
}
@media (min-width:768px){.msg-card{padding:2.5rem;}}
.f-row{display:grid;grid-template-columns:minmax(0,1fr);gap:1.4rem;}
@media (min-width:640px){.f-row{grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem;}}
.msg-card fieldset.field{min-width:0;border:0;margin:0;padding:0;}
.f-label{display:block;margin-bottom:.55rem;padding:0;font-size:13px;font-weight:700;color:var(--ink);}
.f-opt{font-weight:600;color:rgba(7,28,52,.55);}
.f-input{
  width:100%;height:3.4rem;padding:0 1rem;border-radius:var(--r-inner,16px);
  background:var(--paper);border:1px solid var(--line);
  font-size:16px;font-weight:600;color:var(--ink);
  transition:border-color .18s var(--ease-out),background-color .18s var(--ease-out),box-shadow .18s var(--ease-out);
}
.f-area{height:auto;min-height:8rem;padding:.9rem 1rem;line-height:1.55;resize:vertical;}
.f-input::placeholder{color:rgba(7,28,52,.6);font-weight:500;}
.f-input:focus{outline:none;background:#fff;border-color:var(--ink);box-shadow:0 0 0 4px rgba(255,199,44,.45);}
.f-input[aria-invalid="true"]{border-color:#B42318;background:#FFF6F5;}
.f-error{margin-top:.5rem;font-size:13.5px;font-weight:600;color:#B42318;}
.f-error:empty{display:none;}

.topics{display:flex;flex-wrap:wrap;gap:.5rem;}
.topic{
  height:2.75rem;padding:0 1.15rem;border-radius:var(--r-pill,99px);
  background:var(--white);border:1px solid var(--line);
  font-size:14.5px;font-weight:700;color:var(--ink);
  transition:background-color .18s var(--ease-out),border-color .18s var(--ease-out),transform .16s var(--ease-out);
}
.topic:hover{border-color:rgba(7,28,52,.35);}
.topic:active{transform:scale(.97);}
.topic[aria-checked="true"]{background:var(--yellow);border-color:var(--yellow);}
.topics.is-invalid .topic{border-color:#B42318;}

.f-actions{display:flex;flex-wrap:wrap;gap:.75rem;margin-top:.25rem;}
@media (max-width:639px){.f-actions > *{width:100%;}}
.f-note{font-size:12.5px;line-height:1.55;color:rgba(7,28,52,.58);}