/* ==========================================================================
   Calculadora de coste por paquete
   Adaptación del diseño original a la identidad del sitio (azul #0055b8,
   Poppins). Todo va scopeado bajo .calc para no chocar con el resto del CSS.
   ========================================================================== */

.calc {
  --tinta: #2b3038;
  --tinta-suave: #626b78;
  --linea: #e3e8ef;
  --panel: #f4f7fb;
  --panel-2: #e8eef7;
  --azul: #0055b8;
  --azul-claro: #3d8ddb;
  --azul-oscuro: #003d85;
  --azul-suave: #eaf2fb;
  /* El naranja del vehículo de combustión se mantiene: distingue de un vistazo
     las dos columnas de la comparativa. */
  --comb: #b26b2c;
  --comb-suave: #f6ecdf;
  --aviso: #9a6b12;
  --radio: 14px;

  max-width: 1080px;
  margin: 0 auto;
  padding: 34px 20px 72px;
  color: var(--tinta);
  font-size: 15px;
  line-height: 1.5;
  background: #fff;
}

.calc *,
.calc *::before,
.calc *::after {
  box-sizing: border-box;
}

/* ---------- cabecera ---------- */

.calc-intro {
  margin-bottom: 28px;
}

/* Las reglas globales centran los títulos y les meten margen: aquí estorban. */
.calc h1 {
  font-weight: 700;
  font-size: clamp(26px, 4.4vw, 38px);
  line-height: 1.12;
  letter-spacing: -0.5px;
  color: var(--azul);
  text-align: left;
  margin: 0 0 8px;
}

.calc h2 {
  text-align: left;
  color: var(--azul);
  margin: 0;
}

.calc .lede {
  color: var(--tinta-suave);
  max-width: 56ch;
  margin: 0;
  font-size: 15px;
}

/* ---------- rejilla ---------- */

.calc .grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 22px;
  align-items: start;
}

@media (max-width: 820px) {
  .calc .grid {
    grid-template-columns: 1fr;
  }
}

.calc .card {
  background: #fff;
  border: 1px solid var(--linea);
  border-radius: var(--radio);
  padding: 20px;
}

.calc .eyebrow {
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 11px;
  color: var(--tinta-suave);
  margin: 0 0 14px;
}

/* ---------- selector de vehículo ---------- */

.calc .veh-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.calc .veh {
  text-align: left;
  cursor: pointer;
  border: 1.5px solid var(--linea);
  background: #fff;
  border-radius: 11px;
  padding: 12px 13px;
  transition: border-color 0.15s, box-shadow 0.15s, background 0.15s;
  display: flex;
  flex-direction: column;
  gap: 3px;
  font: inherit;
  color: inherit;
}

.calc .veh:hover {
  border-color: var(--azul-claro);
}

.calc .veh:focus-visible {
  outline: 2px solid var(--azul);
  outline-offset: 2px;
}

.calc .veh.active {
  border-color: var(--azul);
  background: var(--azul-suave);
  box-shadow: inset 0 0 0 1px var(--azul);
}

.calc .veh .vn {
  font-weight: 600;
  font-size: 14px;
}

.calc .veh .vs {
  font-size: 11.5px;
  color: var(--tinta-suave);
  font-variant-numeric: tabular-nums;
}

/* ---------- controles ---------- */

.calc .field {
  margin: 16px 0;
}

.calc .field:first-child {
  margin-top: 4px;
}

.calc .field label {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  font-weight: 600;
  font-size: 13.5px;
  margin-bottom: 7px;
}

.calc .field .val {
  font-weight: 700;
  font-size: 15px;
  font-variant-numeric: tabular-nums;
  color: var(--azul);
}

.calc .field .hint {
  font-weight: 400;
  font-size: 11.5px;
  color: var(--tinta-suave);
}

.calc input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 5px;
  border-radius: 99px;
  background: var(--panel-2);
  outline: none;
  margin: 0;
}

.calc input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--azul);
  border: 3px solid #fff;
  box-shadow: 0 1px 4px rgba(0, 85, 184, 0.4);
  cursor: pointer;
}

.calc input[type="range"]::-moz-range-thumb {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--azul);
  border: 3px solid #fff;
  box-shadow: 0 1px 4px rgba(0, 85, 184, 0.4);
  cursor: pointer;
}

.calc input[type="range"]:focus-visible::-webkit-slider-thumb {
  outline: 2px solid var(--tinta);
  outline-offset: 2px;
}

.calc .num {
  display: flex;
  align-items: center;
  gap: 8px;
}

.calc .num input[type="number"] {
  width: 100%;
  font: inherit;
  font-weight: 600;
  padding: 10px 12px;
  border: 1.5px solid var(--linea);
  border-radius: 10px;
  color: var(--tinta);
  background: #fff;
}

.calc .num input[type="number"]:focus {
  outline: none;
  border-color: var(--azul);
}

.calc .num .unit {
  font-size: 12.5px;
  color: var(--tinta-suave);
  white-space: nowrap;
}

/* ---------- ajustes avanzados ---------- */

.calc details.adv {
  margin-top: 8px;
  border-top: 1px solid var(--linea);
  padding-top: 8px;
}

.calc details.adv > summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 13px;
  color: var(--tinta-suave);
  list-style: none;
  padding: 8px 0;
  display: flex;
  align-items: center;
  gap: 7px;
}

.calc details.adv > summary::-webkit-details-marker {
  display: none;
}

.calc details.adv > summary::before {
  content: "+";
  font-weight: 700;
  color: var(--azul);
}

.calc details.adv[open] > summary::before {
  content: "–";
}

.calc .adv-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 14px;
  margin-top: 6px;
}

.calc .adv-grid .mini label {
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 5px;
  display: block;
}

@media (max-width: 480px) {
  .calc .adv-grid {
    grid-template-columns: 1fr;
  }
}

.calc .seg {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.calc .seg button {
  font: inherit;
  font-size: 12.5px;
  font-weight: 600;
  padding: 7px 11px;
  border: 1.5px solid var(--linea);
  background: #fff;
  border-radius: 9px;
  cursor: pointer;
  color: var(--tinta-suave);
}

.calc .seg button.on {
  border-color: var(--comb);
  background: var(--comb-suave);
  color: var(--comb);
}

.calc .seg button:focus-visible {
  outline: 2px solid var(--tinta);
  outline-offset: 2px;
}

/* ---------- resultado destacado ---------- */

.calc .hero {
  background: linear-gradient(150deg, var(--azul) 0%, var(--azul-oscuro) 100%);
  color: #fff;
  border: none;
  position: relative;
  overflow: hidden;
}

.calc .hero::after {
  content: "";
  position: absolute;
  right: -40px;
  top: -40px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
}

.calc .hero .eyebrow {
  color: rgba(255, 255, 255, 0.7);
}

.calc .hero .big {
  font-weight: 700;
  font-size: clamp(44px, 9vw, 68px);
  line-height: 0.98;
  letter-spacing: -1.5px;
  font-variant-numeric: tabular-nums;
}

.calc .hero .big small {
  font-size: 0.42em;
  font-weight: 600;
  letter-spacing: 0;
  margin-left: 4px;
}

.calc .hero .sub {
  color: rgba(255, 255, 255, 0.82);
  font-size: 13.5px;
  margin-top: 6px;
}

.calc .hero .cppcmp {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  margin-top: 12px;
}

.calc .hero .cppcmp-comb {
  font-size: 13.5px;
  color: rgba(255, 255, 255, 0.82);
}

.calc .hero .cppcmp-comb strong {
  font-weight: 700;
  color: #fff;
}

.calc .hero .cppcmp-save {
  background: rgba(255, 255, 255, 0.18);
  color: #fff;
  font-weight: 700;
  font-size: 12px;
  padding: 5px 11px;
  border-radius: 8px;
  letter-spacing: 0.02em;
}

.calc .hero .row {
  display: flex;
  gap: 10px;
  margin-top: 18px;
  flex-wrap: wrap;
}

.calc .pill {
  background: rgba(255, 255, 255, 0.13);
  border-radius: 10px;
  padding: 9px 12px;
  flex: 1 1 120px;
}

.calc .pill .k {
  font-size: 11px;
  color: rgba(255, 255, 255, 0.72);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.calc .pill .v {
  font-weight: 700;
  font-size: 18px;
  font-variant-numeric: tabular-nums;
  margin-top: 2px;
}

.calc .stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 14px;
}

.calc .stat {
  background: var(--panel);
  border: 1px solid var(--linea);
  border-radius: 11px;
  padding: 13px;
}

.calc .stat .k {
  font-size: 11.5px;
  color: var(--tinta-suave);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.calc .stat .v {
  font-weight: 700;
  font-size: 21px;
  font-variant-numeric: tabular-nums;
  margin-top: 3px;
}

/* ---------- comparativa ---------- */

.calc .compare {
  margin-top: 24px;
}

.calc .savings-bar {
  background: var(--panel);
  border: 1px solid var(--linea);
  border-radius: var(--radio);
  padding: 18px 20px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
  justify-content: space-between;
  margin-bottom: 18px;
}

.calc .savings-bar .lab {
  font-size: 12.5px;
  color: var(--tinta-suave);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
}

.calc .savings-bar .amt {
  font-weight: 700;
  font-size: clamp(30px, 6vw, 44px);
  color: var(--azul);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.calc .savings-bar .amt small {
  font-size: 0.4em;
  color: var(--tinta-suave);
  font-weight: 600;
  margin-left: 6px;
}

.calc .badge {
  background: var(--azul);
  color: #fff;
  font-weight: 700;
  font-size: 22px;
  padding: 14px 18px;
  border-radius: 12px;
  text-align: center;
  line-height: 1;
}

.calc .badge span {
  display: block;
  font-size: 11px;
  font-weight: 500;
  opacity: 0.85;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 4px;
}

.calc .cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

@media (max-width: 560px) {
  .calc .cols {
    grid-template-columns: 1fr;
  }
}

.calc .col {
  border: 1px solid var(--linea);
  border-radius: var(--radio);
  padding: 18px;
  background: #fff;
}

.calc .col.elec {
  border-top: 4px solid var(--azul);
}

.calc .col.comb {
  border-top: 4px solid var(--comb);
}

.calc .col .ct {
  font-weight: 700;
  font-size: 15px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.calc .col .ctt {
  font-size: 11.5px;
  color: var(--tinta-suave);
  font-weight: 500;
  margin-bottom: 14px;
}

.calc .dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  display: inline-block;
}

.calc .dot.e {
  background: var(--azul);
}

.calc .dot.c {
  background: var(--comb);
}

.calc .line {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 9px 0;
  border-bottom: 1px dashed var(--linea);
  gap: 10px;
}

.calc .line:last-child {
  border-bottom: none;
}

.calc .line .lk {
  font-size: 12.5px;
  color: var(--tinta-suave);
}

.calc .line .lv {
  font-weight: 700;
  font-size: 16px;
  font-variant-numeric: tabular-nums;
  text-align: right;
}

.calc .line .lv em {
  display: block;
  font-style: normal;
  font-weight: 400;
  font-size: 10.5px;
  color: var(--tinta-suave);
}

.calc .col.elec .lv {
  color: var(--azul);
}

.calc .col.comb .lv {
  color: var(--comb);
}

/* ---------- CO2 ---------- */

.calc .co2 {
  margin-top: 14px;
  background: var(--azul-suave);
  border: 1px solid #c9ddf3;
  border-radius: var(--radio);
  padding: 18px 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  align-items: center;
  justify-content: space-between;
}

.calc .co2 .main .k {
  font-size: 12px;
  color: var(--tinta-suave);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 700;
}

.calc .co2 .main .v {
  font-weight: 700;
  font-size: 30px;
  color: var(--azul);
  font-variant-numeric: tabular-nums;
  line-height: 1.05;
}

.calc .co2 .main .v small {
  font-size: 0.45em;
  color: var(--tinta-suave);
  font-weight: 600;
}

.calc .co2 .trees {
  text-align: right;
}

.calc .co2 .trees .tn {
  font-weight: 700;
  font-size: 26px;
  color: var(--azul);
  font-variant-numeric: tabular-nums;
}

.calc .co2 .trees .tl {
  font-size: 12px;
  color: var(--tinta-suave);
}

/* ---------- notas y llamada a la acción ---------- */

.calc .notes {
  margin-top: 22px;
  font-size: 12px;
  color: var(--tinta-suave);
  line-height: 1.6;
}

.calc .notes strong {
  color: var(--tinta);
}

.calc .cta {
  margin-top: 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.calc .btn {
  font: inherit;
  font-weight: 600;
  font-size: 14px;
  padding: 13px 24px;
  border-radius: 11px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  transition: background 0.2s ease;
}

.calc .btn.primary {
  background: var(--azul);
  color: #fff;
}

.calc .btn.primary:hover {
  background: var(--azul-oscuro);
}

.calc .btn.ghost {
  background: #fff;
  color: var(--tinta);
  border: 1.5px solid var(--linea);
}

.calc .btn.ghost:hover {
  border-color: var(--azul);
  color: var(--azul);
}

.calc .legal {
  margin-top: 18px;
  font-size: 11px;
  color: #8a929f;
  border-top: 1px solid var(--linea);
  padding-top: 14px;
  line-height: 1.6;
}

@media (prefers-reduced-motion: reduce) {
  .calc * {
    transition: none !important;
  }
}

@media print {
  .calc .cta,
  .calc input[type="range"] {
    display: none;
  }

  .calc {
    font-size: 12px;
  }

  .calc .card,
  .calc .col,
  .calc .hero {
    break-inside: avoid;
  }
}