/* ============================================================
   Landing "Aprende a leer tu contador de la luz"
   Tema a medida: "Electric poster" (bloques de color, condensada gigante)
   100% autocontenida. Sin marca, sin BD, sin backend.
   ============================================================ */
@import url("https://fonts.googleapis.com/css2?family=Anton&family=Inter:wght@400;500;600;700&display=swap");

:root {
  --bone: #f3f1e9;
  --ink: #141414;
  --yellow: #ffe500;
  --yellow-deep: #f2c400;
  --white: #ffffff;
  --muted: #5f5d55;
  --line: #ddd9cc;
  --f-display: "Anton", "Arial Narrow", sans-serif;
  --f-body: "Inter", "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  font-size: 62.5%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: var(--f-body);
  font-size: 1.6rem;
  line-height: 1.6;
  background: var(--bone);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

.wrap {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 2.4rem;
}

.is-hidden {
  display: none !important;
}

/* Tipografía póster */
.display {
  font-family: var(--f-display);
  font-weight: 400;
  text-transform: uppercase;
  line-height: 0.92;
  letter-spacing: 0.01em;
}

/* Botones */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
  cursor: pointer;
  text-decoration: none;
  border: 0;
  font-family: var(--f-display);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  font-size: 1.7rem;
  padding: 1.4rem 2.8rem;
  transition:
    transform 0.1s ease,
    background 0.15s ease,
    color 0.15s ease;
}

.btn--yellow {
  background: var(--yellow);
  color: var(--ink);
}

.btn--yellow:hover {
  background: var(--yellow-deep);
  transform: translate(-2px, -2px);
}

.btn--ink {
  background: var(--ink);
  color: var(--yellow);
}

.btn--ink:hover {
  transform: translate(-2px, -2px);
}

.btn--lg {
  font-size: 2.1rem;
  padding: 1.7rem 3.4rem;
}

.btn--block {
  width: 100%;
  justify-content: center;
}

/* sombra dura tipo póster */
.btn--yellow,
.btn--ink {
  box-shadow: 6px 6px 0 rgba(20, 20, 20, 0.9);
}

.btn--yellow:hover,
.btn--ink:hover {
  box-shadow: 8px 8px 0 rgba(20, 20, 20, 0.9);
}

/* Header */
.site-header {
  border-bottom: 3px solid var(--ink);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  max-width: 1120px;
  margin: 0 auto;
  padding: 1.4rem 2.4rem;
}

/* Hero */
.hero {
  background: var(--ink);
  color: var(--bone);
  padding: 7rem 0 0;
  overflow: hidden;
}

.hero__tag {
  display: inline-block;
  font-family: var(--f-display);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background: var(--yellow);
  color: var(--ink);
  font-size: 1.5rem;
  padding: 0.6rem 1.4rem;
  margin-bottom: 2.8rem;
}

.hero__title {
  font-size: clamp(5.6rem, 12vw, 12rem);
  margin: 0 0 2.4rem;
}

.hero__title .hl {
  color: var(--yellow);
}

.hero__lead {
  font-size: clamp(1.8rem, 2.4vw, 2.2rem);
  color: #cbc9c0;
  max-width: 52ch;
  margin: 0 0 3.2rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.8rem;
}

.hero__meta {
  font-size: 1.4rem;
  color: #9a988f;
}

/* Cinta gigante de "readout" al pie del hero */
.hero__strip {
  margin-top: 5rem;
  border-top: 3px solid var(--yellow);
  background: var(--ink);
  overflow: hidden;
}

.hero__strip-inner {
  display: flex;
  gap: 4rem;
  padding: 1.8rem 0;
  font-family: var(--f-display);
  text-transform: uppercase;
  font-size: 2.4rem;
  color: var(--yellow);
  white-space: nowrap;
}

.hero__strip-inner span {
  opacity: 0.55;
}

/* Bloque contraste estimada vs real */
.contrast {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.contrast__cell {
  padding: 6rem 4rem;
}

.contrast__cell--bad {
  background: var(--bone);
}

.contrast__cell--good {
  background: var(--yellow);
}

.contrast__label {
  font-family: var(--f-display);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 1.5rem;
  margin: 0 0 1.6rem;
}

.contrast__cell--bad .contrast__label {
  color: #b23b1e;
}

.contrast__cell--good .contrast__label {
  color: var(--ink);
}

.contrast__big {
  font-size: clamp(3.2rem, 5vw, 5rem);
  margin: 0 0 1.4rem;
}

.contrast__cell p {
  font-size: 1.7rem;
  margin: 0;
}

.contrast__cell--bad p {
  color: var(--muted);
}

.contrast__cell--good p {
  color: #2a2600;
}

/* Secciones */
.section {
  padding: 8rem 0;
}

.section--ink {
  background: var(--ink);
  color: var(--bone);
}

.section__head {
  max-width: 60rem;
  margin: 0 0 5rem;
}

.kicker {
  font-family: var(--f-display);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 1.5rem;
  color: var(--ink);
  background: var(--yellow);
  display: inline-block;
  padding: 0.4rem 1.2rem;
  margin: 0 0 1.8rem;
}

.section--ink .kicker {
  color: var(--ink);
}

.section__title {
  font-size: clamp(3.4rem, 5.5vw, 6rem);
  margin: 0 0 1.6rem;
}

.section__intro {
  font-size: 1.9rem;
  color: var(--muted);
  margin: 0;
  max-width: 54ch;
}

.section--ink .section__intro {
  color: #bbb9b0;
}

/* Pasos: numerales gigantes en bloques */
.steps {
  display: grid;
  gap: 0;
  border: 3px solid var(--ink);
}

.step {
  display: grid;
  grid-template-columns: minmax(12rem, 18rem) 1fr;
  align-items: center;
  border-bottom: 3px solid var(--ink);
}

.step:last-child {
  border-bottom: 0;
}

.step__n {
  font-family: var(--f-display);
  font-size: clamp(6rem, 12vw, 11rem);
  line-height: 1;
  text-align: center;
  padding: 2rem;
  background: var(--yellow);
  color: var(--ink);
  align-self: stretch;
  display: flex;
  align-items: center;
  justify-content: center;
}

.step:nth-child(even) .step__n {
  background: var(--ink);
  color: var(--yellow);
}

.step__body {
  padding: 3rem 3.4rem;
}

.step__body h3 {
  font-family: var(--f-display);
  text-transform: uppercase;
  font-size: clamp(2.2rem, 3vw, 3rem);
  margin: 0 0 0.8rem;
  letter-spacing: 0.01em;
}

.step__body p {
  font-size: 1.6rem;
  color: var(--muted);
  margin: 0;
}

/* Por qué importa (lista) */
.reasons {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3rem;
}

.reason {
  border-top: 4px solid var(--yellow);
  padding-top: 2rem;
}

.reason h4 {
  font-family: var(--f-display);
  text-transform: uppercase;
  font-size: 2.1rem;
  margin: 0 0 0.8rem;
  letter-spacing: 0.01em;
}

.reason p {
  font-size: 1.55rem;
  color: #bbb9b0;
  margin: 0;
}

/* Formulario */
.form-section {
  background: var(--yellow);
}

.form-card {
  max-width: 62rem;
  margin: 0 auto;
  background: var(--bone);
  border: 3px solid var(--ink);
  box-shadow: 12px 12px 0 rgba(20, 20, 20, 0.9);
  padding: 3.6rem;
}

.form-card__head {
  margin-bottom: 2.8rem;
}

.form-card__head .kicker {
  background: var(--ink);
  color: var(--yellow);
}

.form-card__title {
  font-family: var(--f-display);
  text-transform: uppercase;
  font-size: clamp(2.8rem, 4vw, 4rem);
  margin: 0 0 0.8rem;
  letter-spacing: 0.01em;
}

.form-card__lead {
  font-size: 1.6rem;
  color: var(--muted);
  margin: 0;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.4rem;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.field--full,
.capa_basica2 {
  grid-column: 1 / -1;
}

.field label {
  font-family: var(--f-display);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  font-size: 1.4rem;
}

.field input {
  font-family: var(--f-body);
  font-size: 1.6rem;
  color: var(--ink);
  padding: 1.4rem 1.5rem;
  background: var(--white);
  border: 2px solid var(--ink);
  transition: box-shadow 0.12s ease;
}

.field input:focus {
  outline: none;
  box-shadow: 4px 4px 0 var(--yellow-deep);
}

.field input.invalid {
  border-color: #c0331a;
  background: #fbe6e1;
}

.field__err {
  color: #c0331a;
  font-size: 1.25rem;
  min-height: 1.4rem;
  font-weight: 600;
}

.consent {
  grid-column: 1 / -1;
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  font-size: 1.3rem;
  color: #33322c;
  margin-top: 0.4rem;
}

.consent input {
  width: 2rem;
  height: 2rem;
  margin-top: 0.2rem;
  accent-color: var(--ink);
  flex-shrink: 0;
}

.consent a {
  color: var(--ink);
  text-decoration: underline;
}

.form-actions {
  grid-column: 1 / -1;
  margin-top: 1rem;
}

.form-note {
  grid-column: 1 / -1;
  font-size: 1.25rem;
  color: var(--muted);
  margin: 1.2rem 0 0;
}

.form-success {
  text-align: center;
  padding: 2rem 0;
  animation: pop 0.35s ease both;
}

.form-success__badge {
  width: 8rem;
  height: 8rem;
  margin: 0 auto 2rem;
}

.form-success h3 {
  font-family: var(--f-display);
  text-transform: uppercase;
  font-size: 3rem;
  margin: 0 0 1rem;
  letter-spacing: 0.01em;
}

.form-success p {
  font-size: 1.7rem;
  color: var(--muted);
  margin: 0;
}

@keyframes pop {
  from {
    opacity: 0;
    transform: scale(0.96);
  }

  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* Footer */
.site-footer {
  background: var(--ink);
  color: var(--bone);
  padding: 4.8rem 0;
}

.site-footer__inner {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  justify-content: space-between;
  align-items: center;
  flex-direction: column;
}

.site-footer small {
  color: #9a988f;
  font-size: 1.3rem;
}

.site-footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.6rem;
}

.site-footer__links a {
  color: #cbc9c0;
  text-decoration: none;
  font-size: 1.3rem;
}

.site-footer__links a:hover {
  color: var(--yellow);
}

/* CAPA BASICA */

.capa_basica-pic {
  width: 20px;
  cursor: pointer;
}

.capa_basica {
  display: none;
  position: fixed;
  z-index: 2;
  padding: 2% 30px 0 30px;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background-color: rgba(0, 0, 0, 0.4);
  box-sizing: border-box;
}

.capa_basica > .cb__title-wrap,
.capa_basica > .cb__wrap {
  max-width: 900px;
  margin: 0 auto;
  box-sizing: border-box;
}

.close2 {
  color: #fff;
  font-size: 28px;
  font-weight: 700;
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  cursor: pointer;
  line-height: 1;
}

.cb__title-wrap {
  background-color: #3b69b0;
  padding: 10px 44px 10px 20px;
  position: relative;
}

.cb-title {
  font-size: 13px;
  text-align: center;
  color: #fff;
  font-weight: 600;
}

.cb__wrap {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
}

.cb__left-side {
  background-color: #d9e2f3;
  grid-column: span 2;
  padding: 10px 15px;
  border-bottom: 1px solid #000;
}

.left-side__text {
  font-weight: 700;
}

.left-side__text,
.right-side__text {
  font-size: 13px;
  line-height: 18px;
  word-break: break-word;
  overflow-wrap: break-word;
}

.cb__right-side {
  background-color: #fff;
  grid-column: span 10;
  padding: 10px 10px 10px 15px;
  border-bottom: 1px solid #000;
}

.capa_basica2 {
  height: 67px;
  overflow-y: scroll;
  margin: 10px auto 0 auto;
  width: 100%;
}

.capa_basica2 > .cb__wrap {
  display: block;
}

.capa_basica2 > .cb__title-wrap {
  padding: 5px 20px;
}

.capa_basica2 .cb-title {
  font-size: 10px;
}

.capa_basica2 .cb__left-side,
.capa_basica2 .cb__right-side {
  padding: 5px 15px;
}

.capa_basica2 .left-side__text,
.capa_basica2 .right-side__text {
  font-size: 10px;
  line-height: normal;
  margin: 0;
  text-align: left;
  float: none;
}

.form__legal-text {
  font-size: 10px;
  line-height: 14px;
  text-align: left;
  width: 335px;
  display: block;
  margin: 0 auto 10px auto;
}

/* CAPA BASICA end */

/* Responsive */
@media (max-width: 820px) {
  .contrast {
    grid-template-columns: 1fr;
  }

  .reasons {
    grid-template-columns: 1fr;
    gap: 2.4rem;
  }

  .capa_basica {
    padding: 2% 15px 0 15px;
  }

  .cb__title-wrap {
    padding: 10px 45px;
  }

  .cb-title {
    line-height: 18px;
  }

  .close2 {
    right: 30px;
  }

  .cb__wrap {
    grid-template-columns: repeat(6, 1fr);
  }

  .cb__right-side {
    grid-column: span 4;
  }
}

@media (max-width: 560px) {
  .hero {
    padding: 4.8rem 0 0;
  }

  .contrast__cell {
    padding: 3.6rem 2.4rem;
  }

  .step {
    grid-template-columns: 1fr;
  }

  .step__n {
    padding: 1.2rem;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }

  .form-card {
    padding: 2.2rem;
    box-shadow: 8px 8px 0 rgba(20, 20, 20, 0.9);
  }

  .site-footer__inner {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .capa_basica {
    padding: 2% 10px 0 10px;
  }

  .cb__wrap {
    grid-template-columns: 1fr;
  }

  .cb__left-side,
  .cb__right-side {
    grid-column: span 1;
  }
}

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