/* Kit Solar | Tarifas de Luz — estilos (sin dependencias). Ver DESIGN.md para el sistema. */

@font-face {
  font-family: "KS Heros";
  src: url("/assets/fonts/ks-heros-regular.woff") format("woff");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "KS Heros";
  src: url("/assets/fonts/ks-heros-bold.woff") format("woff");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "KS Heros Cn";
  src: url("/assets/fonts/ks-heros-cn-bold.woff") format("woff");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

:root {
  --celda: #10263f;
  --celda-2: #1d3d60;
  --papel: #ffffff;
  --hoja: #f1f4f6;
  --linea: #c9d2da;
  --texto-2: #46566a;
  --sol: #ffc52e;
  --sol-claro: #fff3cc;
  --conduit: #b9440f;
  --conduit-claro: #fbeadf;
  --wa: #157a41;
  --wa-2: #0f6334;
  --error: #b42318;
  --error-claro: #fdecea;
  --ok: #1e6b3a;
  --radius-s: 4px;
  --radius-m: 10px;
  --wrap: 1160px;
  --gutter: 16px;
  --font: "KS Heros", "Helvetica Neue", Arial, sans-serif;
  --font-cn: "KS Heros Cn", "Arial Narrow", "Helvetica Neue", Arial, sans-serif;
  --fs-h1: clamp(2.35rem, 1.45rem + 4.2vw, 4.1rem);
  --fs-h2: clamp(1.75rem, 1.25rem + 2.1vw, 2.5rem);
  --fs-h3: 1.25rem;
  --fs-small: 0.875rem;
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 76px;
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    transition: none !important;
    animation: none !important;
  }
}

body {
  margin: 0;
  background: var(--papel);
  color: var(--celda);
  font: 400 1.0625rem/1.55 var(--font);
  font-variant-numeric: lining-nums;
  text-rendering: optimizeLegibility;
}

img,
svg {
  display: block;
  max-width: 100%;
}

a {
  color: var(--celda);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}
a:hover {
  text-decoration-thickness: 2px;
}

:focus-visible {
  outline: 3px solid var(--sol);
  outline-offset: 2px;
  box-shadow: 0 0 0 5px var(--celda);
}

h1,
h2,
h3 {
  margin: 0;
  text-wrap: balance;
}
h1,
h2 {
  font-family: var(--font-cn);
  font-weight: 700;
  letter-spacing: -0.01em;
}
h1 {
  font-size: var(--fs-h1);
  line-height: 0.98;
}
h2 {
  font-size: var(--fs-h2);
  line-height: 1.04;
}
h3 {
  font-size: var(--fs-h3);
  line-height: 1.25;
  font-weight: 700;
}
p {
  margin: 0 0 1em;
}

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
@media (min-width: 720px) {
  :root {
    --gutter: 28px;
  }
}

.sr-only {
  position: absolute !important;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.skip {
  position: absolute;
  left: 12px;
  top: -60px;
  z-index: 50;
  background: var(--celda);
  color: #fff;
  padding: 10px 14px;
  border-radius: var(--radius-s);
}
.skip:focus {
  top: 12px;
}

/* ---------- Botones ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 50px;
  padding: 12px 22px;
  border: 2px solid transparent;
  border-radius: var(--radius-s);
  font: 700 1.0625rem/1.1 var(--font);
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.btn-primary {
  background: var(--celda);
  color: #fff;
}
.btn-primary:hover {
  background: var(--celda-2);
  text-decoration: none;
}
.btn-wa {
  background: var(--wa);
  color: #fff;
}
.btn-wa:hover {
  background: var(--wa-2);
  text-decoration: none;
}
.btn-ghost {
  background: transparent;
  color: var(--celda);
  border-color: var(--celda);
}
.btn-ghost:hover {
  background: var(--hoja);
}
.btn-small {
  min-height: 40px;
  padding: 8px 14px;
  font-size: 0.9375rem;
}
.btn[disabled],
.btn[aria-busy="true"] {
  opacity: 0.7;
  cursor: progress;
}
.link-button {
  background: none;
  border: 0;
  padding: 0;
  font: inherit;
  color: var(--celda);
  text-decoration: underline;
  text-underline-offset: 3px;
  cursor: pointer;
}

/* ---------- Cabecera ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--papel);
  border-bottom: 1px solid var(--linea);
}
.header-row {
  display: flex;
  align-items: center;
  gap: 16px;
  min-height: 64px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  margin-right: auto;
}
.brand-mark {
  width: 34px;
  height: 34px;
  flex: none;
}
.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1;
}
.brand-name {
  font: 700 1.35rem/1 var(--font-cn);
}
.brand-by {
  font-size: 0.8125rem;
  color: var(--texto-2);
  margin-top: 3px;
}
.site-nav {
  display: none;
  gap: 4px;
}
.site-nav a {
  padding: 8px 12px;
  border-radius: var(--radius-s);
  text-decoration: none;
  font-weight: 700;
  font-size: 0.9375rem;
}
.site-nav a:hover {
  background: var(--hoja);
}
.site-nav a[aria-current="page"] {
  box-shadow: inset 0 -3px 0 var(--sol);
}
@media (min-width: 900px) {
  .site-nav {
    display: flex;
  }
}

/* ---------- Portada ---------- */
.hero {
  background: var(--hoja);
  padding: 36px 0 44px;
  border-bottom: 1px solid var(--linea);
}
.hero-grid {
  display: grid;
  gap: 32px;
  align-items: start;
}
.hero h1 {
  max-width: 15ch;
}
.lead {
  font-size: 1.1875rem;
  line-height: 1.5;
  max-width: 38em;
  margin-top: 18px;
}
.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 24px 0 18px;
}
.hero-note {
  color: var(--texto-2);
  font-size: 0.9375rem;
  max-width: 36em;
  margin: 0;
}
@media (min-width: 960px) {
  .hero {
    padding: 64px 0 72px;
  }
  .hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 56px;
  }
  .hero-copy {
    padding-top: 12px;
  }
}

/* ---------- Boleta: precio arriba, línea troquelada, reparto del trabajo abajo ---------- */
.ticket {
  --notch: 13px;
  position: relative;
  background: var(--papel);
  border-radius: var(--radius-m);
  border: 1px solid var(--linea);
  max-width: 520px;
}
.ticket-head {
  background: var(--celda);
  color: #fff;
  border-radius: var(--radius-m) var(--radius-m) 0 0;
  padding: 22px 24px 24px;
}
.ticket-name {
  font: 700 1.125rem/1.2 var(--font);
  margin: 0 0 6px;
}
.ticket-price {
  font: 700 clamp(3rem, 2.2rem + 3.6vw, 4.25rem) / 0.95 var(--font-cn);
  color: var(--sol);
  font-variant-numeric: tabular-nums lining-nums;
  margin: 0 0 10px;
  letter-spacing: -0.01em;
}
.ticket-price .from {
  display: block;
  font: 700 1rem/1.2 var(--font);
  color: #fff;
  letter-spacing: 0;
  margin-bottom: 4px;
}
.ticket-sub {
  font-size: 0.9375rem;
  line-height: 1.45;
  color: #d9e2ec;
  margin: 0;
}
.ticket-cut {
  position: relative;
  height: 0;
  border-top: 2px dashed var(--linea);
  margin: 0 18px;
}
.ticket-cut::before,
.ticket-cut::after {
  content: "";
  position: absolute;
  top: calc(var(--notch) * -1 - 1px);
  width: calc(var(--notch) * 2);
  height: calc(var(--notch) * 2);
  border-radius: 50%;
  background: var(--hoja);
  border: 1px solid var(--linea);
}
.ticket-cut::before {
  left: calc(-18px - var(--notch) - 1px);
  clip-path: inset(0 0 0 50%);
}
.ticket-cut::after {
  right: calc(-18px - var(--notch) - 1px);
  clip-path: inset(0 50% 0 0);
}
.ticket-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
}
.ticket-col {
  padding: 18px 16px 20px 20px;
}
.ticket-col + .ticket-col {
  border-left: 1px solid var(--linea);
}
.ticket-col.sec {
  box-shadow: inset 0 4px 0 var(--conduit);
}
.ticket-col .who {
  font: 700 1.25rem/1.1 var(--font-cn);
  margin: 0 0 2px;
}
.ticket-col.sec .who {
  color: var(--conduit);
}
.ticket-col .time {
  display: block;
  font-size: 0.8125rem;
  color: var(--texto-2);
  margin-bottom: 10px;
}
.ticket-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 0.9375rem;
  line-height: 1.35;
}
.ticket-col li {
  padding: 6px 0;
  border-top: 1px solid var(--hoja);
}
.ticket-foot {
  border-top: 1px solid var(--linea);
  padding: 12px 20px 14px;
  font-size: 0.8125rem;
  color: var(--texto-2);
  margin: 0;
}
@media (max-width: 380px) {
  .ticket-col {
    padding: 16px 12px 18px 14px;
  }
  .ticket-col ul {
    font-size: 0.875rem;
  }
}

/* ---------- Secciones ---------- */
.section {
  padding: 56px 0;
}
.section + .section {
  border-top: 1px solid var(--linea);
}
.section.alt {
  background: var(--hoja);
}
.section-head {
  max-width: 44rem;
  margin-bottom: 28px;
}
.section-head p {
  color: var(--texto-2);
  margin: 12px 0 0;
}
@media (min-width: 960px) {
  .section {
    padding: 84px 0;
  }
  .section-head {
    margin-bottom: 40px;
  }
}

/* ---------- Contenido de la caja ---------- */
.parts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--linea);
  border-left: 1px solid var(--linea);
}
.part {
  position: relative;
  padding: 16px 14px 18px;
  border-right: 1px solid var(--linea);
  border-bottom: 1px solid var(--linea);
}
.part-icon {
  width: 100%;
  max-width: 120px;
  height: auto;
  margin: 2px 0 12px;
}
.part-letter {
  position: absolute;
  top: 12px;
  right: 12px;
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 2px solid var(--celda);
  font: 700 1rem/1 var(--font-cn);
}
.part.sec .part-letter {
  border-color: var(--conduit);
  color: var(--conduit);
}
.part-name {
  font-weight: 700;
  line-height: 1.25;
  margin: 0 0 4px;
}
.part-qty {
  font-family: var(--font-cn);
  font-weight: 700;
  margin-right: 4px;
}
.part-detail {
  font-size: 0.9375rem;
  color: var(--texto-2);
  line-height: 1.4;
  margin: 0;
}
@media (min-width: 720px) {
  .parts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .parts.four {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .part {
    padding: 22px 22px 24px;
  }
}

/* ---------- Figuras (dibujos de línea) ---------- */
.figure-grid {
  display: grid;
  gap: 28px;
  align-items: center;
}
@media (min-width: 960px) {
  .figure-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 48px;
  }
}
.fig {
  margin: 0;
}
.figure-grid h2 {
  margin-bottom: 14px;
}
.fig svg {
  width: 100%;
  height: auto;
}
.fig figcaption {
  font-size: 0.9375rem;
  color: var(--texto-2);
  margin-top: 12px;
  max-width: 40em;
}
.legend {
  list-style: none;
  padding: 0;
  margin: 14px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  font-size: 0.9375rem;
}
.legend li {
  display: flex;
  align-items: center;
  gap: 8px;
}
.legend .sw {
  width: 26px;
  height: 0;
  border-top: 3px solid var(--celda);
}
.legend .sw.sec {
  border-color: var(--conduit);
}
.ln {
  fill: none;
  stroke: var(--celda);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.ln-w {
  fill: var(--papel);
  stroke: var(--celda);
  stroke-width: 2;
  stroke-linejoin: round;
}
.ln-panel {
  fill: #e3eaf2;
  stroke: var(--celda);
  stroke-width: 2;
  stroke-linejoin: round;
}
.ln-cell {
  fill: none;
  stroke: var(--celda);
  stroke-width: 1;
  opacity: 0.4;
}
.ln-soft {
  fill: none;
  stroke: var(--linea);
  stroke-width: 2;
  stroke-linecap: round;
}
.ln-sec {
  fill: none;
  stroke: var(--conduit);
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.ln-bus {
  fill: none;
  stroke: var(--celda);
  stroke-width: 4;
  stroke-linecap: round;
}
.ln-sec-1 {
  fill: none;
  stroke: var(--conduit);
  stroke-width: 1.6;
  stroke-linejoin: round;
}
.ln-sec-thin {
  fill: none;
  stroke: var(--conduit);
  stroke-width: 2;
  stroke-dasharray: 5 4;
}
.fill-sec {
  fill: var(--conduit-claro);
  stroke: var(--conduit);
  stroke-width: 2;
}
.sun {
  fill: var(--sol);
  stroke: var(--celda);
  stroke-width: 2;
}
.sun-ray {
  stroke: var(--celda);
  stroke-width: 2;
  stroke-linecap: round;
}
.fill-celda {
  fill: var(--celda);
}
.callout circle {
  fill: var(--papel);
  stroke: var(--celda);
  stroke-width: 2;
}
.callout text {
  font: 700 15px var(--font-cn);
  fill: var(--celda);
  text-anchor: middle;
  dominant-baseline: central;
}
.callout.sec circle {
  stroke: var(--conduit);
}
.callout.sec text {
  fill: var(--conduit);
}
.svg-label {
  font: 400 13px var(--font);
  fill: var(--texto-2);
}

/* ---------- Calculadora ---------- */
.calc {
  background: var(--celda);
  color: #fff;
}
.calc .section-head p {
  color: #d9e2ec;
}
.calc-grid {
  display: grid;
  gap: 28px;
}
@media (min-width: 960px) {
  .calc-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }
}
.calc fieldset {
  border: 0;
  margin: 0 0 22px;
  padding: 0;
}
.calc legend,
.calc .calc-label {
  font-weight: 700;
  margin-bottom: 10px;
  padding: 0;
}
.money {
  display: flex;
  align-items: center;
  max-width: 260px;
  background: #fff;
  border-radius: var(--radius-s);
  border: 2px solid #fff;
}
.money span {
  padding: 0 4px 0 14px;
  color: var(--celda);
  font: 700 1.5rem/1 var(--font-cn);
}
.money input {
  flex: 1;
  min-width: 0;
  border: 0;
  background: transparent;
  color: var(--celda);
  font: 700 1.5rem/1 var(--font-cn);
  padding: 12px 12px 12px 2px;
  font-variant-numeric: tabular-nums;
}
.money input:focus {
  outline: none;
}
.money:focus-within {
  outline: 3px solid var(--sol);
  outline-offset: 2px;
}
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.chip {
  position: relative;
}
.chip input {
  position: absolute;
  opacity: 0;
  inset: 0;
  margin: 0;
  cursor: pointer;
}
.chip span {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 8px 14px;
  border: 2px solid #5a7390;
  border-radius: 999px;
  color: #fff;
  font-weight: 700;
  font-size: 0.9375rem;
  cursor: pointer;
  user-select: none;
}
.chip input:checked + span {
  background: #fff;
  border-color: #fff;
  color: var(--celda);
}
.chip input:focus-visible + span {
  outline: 3px solid var(--sol);
  outline-offset: 2px;
}
.chip small {
  font-weight: 400;
  margin-left: 6px;
  opacity: 0.8;
}
.readout {
  border: 2px solid #5a7390;
  border-radius: var(--radius-m);
  padding: 22px 22px 18px;
}
.readout-label {
  font-weight: 700;
  margin: 0 0 6px;
}
.readout-value {
  font: 700 clamp(2.4rem, 1.8rem + 3vw, 3.6rem) / 1 var(--font-cn);
  color: var(--sol);
  font-variant-numeric: tabular-nums lining-nums;
  margin: 0 0 6px;
}
.readout-value small {
  font: 700 1.125rem/1 var(--font);
  color: #fff;
  margin-left: 6px;
}
.readout dl {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 6px 16px;
  margin: 16px 0 12px;
  padding-top: 14px;
  border-top: 1px solid #3a5674;
  font-size: 0.9375rem;
}
.readout dt {
  color: #d9e2ec;
}
.readout dd {
  margin: 0;
  font-weight: 700;
  text-align: right;
  font-variant-numeric: tabular-nums;
}
.readout-note {
  font-size: 0.8125rem;
  color: #c3cfdb;
  margin: 10px 0 0;
}
.readout .btn {
  margin-top: 14px;
  background: var(--sol);
  color: var(--celda);
}
.readout .btn:hover {
  background: #ffd45e;
}
.readout-empty {
  color: #d9e2ec;
  margin: 0;
}

.calc .hint {
  color: #c3cfdb;
}
.calc .hint,
.calc .chips {
  margin-top: 10px;
}
.calc .chips.amounts {
  margin-bottom: 26px;
}
.chip-btn {
  min-height: 40px;
  padding: 6px 14px;
  border: 2px solid #5a7390;
  border-radius: 999px;
  background: transparent;
  color: #fff;
  font: 700 0.9375rem/1 var(--font);
  cursor: pointer;
}
.chip-btn:hover {
  border-color: #fff;
}
.calc-medico {
  margin: 14px 0 0;
  padding: 10px 12px;
  border-left: 4px solid var(--sol);
  background: #1a3554;
  font-size: 0.9375rem;
}
.kit-option {
  margin: 0 0 6px;
}
.kit-option strong {
  display: block;
  font: 700 1.5rem/1.1 var(--font-cn);
  color: #fff;
}

/* ---------- Pasos ---------- */
.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  counter-reset: paso;
}
.step-item {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 14px;
  padding: 18px 0;
  border-top: 1px solid var(--linea);
}
.step-item:last-child {
  border-bottom: 1px solid var(--linea);
}
.step-num {
  font: 700 2.4rem/0.9 var(--font-cn);
  font-variant-numeric: tabular-nums;
}
.step-item.sec .step-num {
  color: var(--conduit);
}
.step-item h3 {
  margin: 2px 0 4px;
}
.step-item p {
  margin: 0;
  color: var(--texto-2);
}
.who-tag {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--radius-s);
  background: var(--hoja);
  margin-bottom: 6px;
}
.step-item.sec .who-tag {
  background: var(--conduit-claro);
  color: var(--conduit);
}
@media (min-width: 960px) {
  .steps.row {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 0;
  }
  .steps.row .step-item {
    grid-template-columns: 1fr;
    align-content: start;
    gap: 8px;
    padding: 20px 20px 22px 0;
    border-bottom: 1px solid var(--linea);
  }
  .steps.row .step-item + .step-item {
    padding-left: 20px;
    border-left: 1px solid var(--linea);
  }
}

/* ---------- ¿Te sirve? ---------- */
.fit {
  display: grid;
  gap: 28px;
}
@media (min-width: 840px) {
  .fit {
    grid-template-columns: 1fr 1fr;
    gap: 48px;
  }
}
.fit h3 {
  margin-bottom: 10px;
}
.fit h2 {
  margin-bottom: 16px;
}
@media (min-width: 1040px) {
  .parts.four {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}
.checklist {
  list-style: none;
  margin: 0;
  padding: 0;
}
.checklist li {
  position: relative;
  padding: 10px 0 10px 34px;
  border-top: 1px solid var(--linea);
}
.checklist li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 16px;
  width: 14px;
  height: 8px;
  border-left: 3px solid var(--ok);
  border-bottom: 3px solid var(--ok);
  transform: rotate(-45deg);
}
.checklist.no li::before {
  width: 16px;
  height: 0;
  top: 22px;
  border: 0;
  border-top: 3px solid var(--error);
  transform: none;
}

/* ---------- Preguntas ---------- */
.faq {
  max-width: 50rem;
}
.faq details {
  border-top: 1px solid var(--linea);
}
.faq details:last-child {
  border-bottom: 1px solid var(--linea);
}
.faq summary {
  cursor: pointer;
  list-style: none;
  padding: 16px 36px 16px 0;
  font-weight: 700;
  position: relative;
}
.faq summary::-webkit-details-marker {
  display: none;
}
.faq summary::after {
  content: "";
  position: absolute;
  right: 6px;
  top: 22px;
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--celda);
  border-bottom: 2px solid var(--celda);
  transform: rotate(45deg);
  transition: transform 0.15s ease;
}
.faq details[open] summary::after {
  transform: rotate(-135deg);
  top: 26px;
}
.faq details > div {
  padding: 0 0 18px;
  color: var(--texto-2);
  max-width: 44em;
}
.faq details > div p:last-child {
  margin-bottom: 0;
}

/* ---------- Formulario ---------- */
.solicitud {
  background: var(--hoja);
  padding: 56px 0 72px;
  border-top: 1px solid var(--linea);
}
.solicitud-grid {
  display: grid;
  gap: 24px;
  grid-template-areas: "head" "form" "more";
}
.solicitud-head {
  grid-area: head;
}
.solicitud-head h2 {
  margin-bottom: 14px;
}
.form-panel {
  grid-area: form;
}
.solicitud-more {
  grid-area: more;
}
@media (min-width: 960px) {
  .solicitud {
    padding: 84px 0 96px;
  }
  .solicitud-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    grid-template-areas: "head form" "more form";
    grid-template-rows: auto 1fr;
    column-gap: 56px;
    row-gap: 0;
    align-items: start;
  }
}
.solicitud-head p,
.solicitud-more p {
  color: var(--texto-2);
}
.promise {
  list-style: none;
  margin: 18px 0 22px;
  padding: 0;
}
.promise li {
  padding: 10px 0;
  border-top: 1px solid var(--linea);
}
.promise strong {
  display: block;
}
.form-panel {
  background: var(--papel);
  border: 1px solid var(--linea);
  border-radius: var(--radius-m);
  padding: 22px 18px 24px;
}
@media (min-width: 600px) {
  .form-panel {
    padding: 30px 32px 32px;
  }
}
.step-indicator {
  font: 700 0.9375rem/1 var(--font);
  color: var(--texto-2);
  margin: 0 0 16px;
}
.step-indicator b {
  color: var(--celda);
}
.form-step {
  border: 0;
  margin: 0;
  padding: 0;
  min-width: 0;
}
.q {
  border: 0;
  margin: 0 0 22px;
  padding: 0;
  min-width: 0;
}
.q legend,
.field label {
  display: block;
  font-weight: 700;
  margin-bottom: 8px;
  padding: 0;
}
.q .q-hint {
  font-size: 0.875rem;
  color: var(--texto-2);
  margin: -4px 0 10px;
}
.opts {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 8px;
}
.opts.wide {
  grid-template-columns: 1fr;
}
@media (min-width: 600px) {
  .opts.wide {
    grid-template-columns: 1fr 1fr;
  }
}
.opt {
  position: relative;
  display: block;
}
.opt input {
  position: absolute;
  opacity: 0;
  inset: 0;
  margin: 0;
  cursor: pointer;
}
.opt span {
  display: flex;
  align-items: center;
  min-height: 48px;
  height: 100%;
  padding: 10px 14px;
  border: 2px solid var(--linea);
  border-radius: var(--radius-s);
  background: var(--papel);
  line-height: 1.25;
  cursor: pointer;
  user-select: none;
}
.opt input:checked + span {
  border-color: var(--celda);
  box-shadow: inset 0 0 0 1px var(--celda);
  background: #eef3f8;
  font-weight: 700;
}
.opt input:focus-visible + span {
  outline: 3px solid var(--sol);
  outline-offset: 2px;
}
.q[aria-invalid="true"] .opt span {
  border-color: var(--error);
}
.field {
  margin-bottom: 18px;
}
.field-row {
  display: grid;
  gap: 0 14px;
}
@media (min-width: 600px) {
  .field-row {
    grid-template-columns: 1fr 1fr;
  }
}
.field input,
.field select,
.field textarea {
  width: 100%;
  min-height: 50px;
  padding: 12px 14px;
  border: 2px solid var(--linea);
  border-radius: var(--radius-s);
  background: var(--papel);
  color: var(--celda);
  font: 400 1.0625rem/1.3 var(--font);
}
.field textarea {
  min-height: 92px;
  resize: vertical;
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--celda);
  outline: none;
  box-shadow: 0 0 0 3px var(--sol);
}
.field [aria-invalid="true"] {
  border-color: var(--error);
}
.opt-label {
  font-weight: 400;
  color: var(--texto-2);
}
.hint {
  font-size: 0.875rem;
  color: var(--texto-2);
  margin: 6px 0 0;
}
.error {
  font-size: 0.9375rem;
  color: var(--error);
  font-weight: 700;
  margin: 6px 0 0;
}
.banner {
  background: var(--error-claro);
  border-left: 4px solid var(--error);
  color: var(--celda);
  padding: 12px 14px;
  margin: 0 0 18px;
  border-radius: 0 var(--radius-s) var(--radius-s) 0;
}
.notice {
  font-size: 0.875rem;
  color: var(--texto-2);
  margin: 4px 0 18px;
}
.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: space-between;
}
.form-actions .btn-primary {
  flex: 1 1 auto;
}
.step-next {
  width: 100%;
}
@media (min-width: 600px) {
  .step-next {
    width: auto;
  }
}
.hp {
  position: absolute;
  left: -5000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.success {
  outline: none;
}
.success-title {
  font: 700 2rem/1.05 var(--font-cn);
  margin: 0 0 12px;
}
.lead-code {
  font-family: var(--font-cn);
  font-size: 1.25em;
  letter-spacing: 0.02em;
  background: var(--sol-claro);
  padding: 0 6px;
  border-radius: var(--radius-s);
  white-space: nowrap;
}
.success .btn {
  margin: 4px 0 18px;
}

/* ---------- Portada del sitio: lista de kits ---------- */
.kits {
  list-style: none;
  margin: 0;
  padding: 0;
}
.kit-row {
  display: grid;
  gap: 10px 24px;
  padding: 24px 0;
  border-top: 1px solid var(--linea);
}
.kit-row:last-child {
  border-bottom: 1px solid var(--linea);
}
.kit-row h3 {
  font: 700 1.6rem/1.05 var(--font-cn);
}
.kit-row p {
  margin: 0;
  color: var(--texto-2);
}
.kit-price {
  font: 700 2rem/1 var(--font-cn);
  font-variant-numeric: tabular-nums;
}
.kit-price small {
  display: block;
  font: 400 0.875rem/1.3 var(--font);
  color: var(--texto-2);
  margin-top: 4px;
}
.kit-row.sec h3 {
  color: var(--conduit);
}
@media (min-width: 840px) {
  .kit-row {
    grid-template-columns: minmax(0, 6fr) minmax(0, 3fr) 250px;
    align-items: center;
  }
  .kit-row .btn {
    width: 100%;
  }
}

/* ---------- Texto largo (privacidad) ---------- */
.prose {
  max-width: 44rem;
}
.prose h2 {
  font-size: 1.6rem;
  margin: 36px 0 10px;
}
.prose ul {
  padding-left: 1.2em;
}
.prose li {
  margin-bottom: 6px;
}

/* ---------- Pie ---------- */
.site-footer {
  background: var(--celda);
  color: #d9e2ec;
  padding: 44px 0 110px;
  font-size: 0.9375rem;
}
.site-footer a {
  color: #fff;
}
.footer-grid {
  display: grid;
  gap: 28px;
}
@media (min-width: 840px) {
  .footer-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 3fr) minmax(0, 3fr);
    gap: 40px;
  }
  .site-footer {
    padding-bottom: 48px;
  }
}
.footer-brand {
  font: 700 1.35rem/1 var(--font-cn);
  color: #fff;
}
.footer-h {
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
}
.footer-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.footer-list li {
  margin-bottom: 8px;
}
.legal {
  font-size: 0.8125rem;
}

/* ---------- Barra fija en móvil ---------- */
.mobile-bar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 30;
  display: flex;
  gap: 10px;
  padding: 10px 16px calc(10px + env(safe-area-inset-bottom));
  background: var(--papel);
  border-top: 1px solid var(--linea);
  transform: translateY(0);
  transition: transform 0.2s ease;
}
.mobile-bar .btn {
  flex: 1;
  min-height: 48px;
}
.mobile-bar.is-hidden {
  transform: translateY(110%);
}
@media (min-width: 900px) {
  .mobile-bar {
    display: none;
  }
}

/* ---------- 404 ---------- */
.notfound {
  padding: 80px 0 120px;
}
.notfound p {
  max-width: 34em;
  margin-top: 16px;
}

.wa-only[hidden] {
  display: none !important;
}