/* ==========================================================================
   NECIO POSITIVO — estilos
   Mobile first. Sin dependencias. Fuentes autoalojadas (OFL).
   ========================================================================== */

/* ---------- Fuentes ---------- */
@font-face {
  font-family: "NP Display";
  src: url("/assets/fonts/archivo-black-cond.woff2") format("woff2");
  font-weight: 900;
  font-stretch: 62% 100%;
  font-display: swap;
}
@font-face {
  font-family: "NP Serif";
  src: url("/assets/fonts/instrument-serif.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "NP Serif";
  src: url("/assets/fonts/instrument-serif-italic.woff2") format("woff2");
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: "NP Sans";
  src: url("/assets/fonts/instrument-sans.woff2") format("woff2");
  font-weight: 400 600;
  font-display: swap;
}

/* ---------- Tokens ---------- */
:root {
  --negro: #000000;
  --carbon: #141413;
  --hueso: #ECE8DF;
  --ceniza: #8F8A82;
  --linea: #3A3934;
  --amarillo: #FFD000;

  --f-display: "NP Display", "Arial Narrow", "Helvetica Neue Condensed", Impact, sans-serif;
  --f-serif: "NP Serif", Georgia, "Times New Roman", serif;
  --f-sans: "NP Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  --margen: clamp(1.25rem, 5.5vw, 5rem);
  --ancho: 76rem;
  --espacio-bloque: clamp(6rem, 20vw, 12rem);
  --curva: cubic-bezier(.2, .7, 0, 1);
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  background: var(--negro);
}
@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}
body {
  margin: 0;
  background: var(--negro);
  color: var(--hueso);
  font-family: var(--f-sans);
  font-size: 1.0625rem;
  line-height: 1.55;
  font-kerning: normal;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
h1, h2, h3, p, ol { margin: 0; }
[hidden] { display: none !important; }
ol { padding: 0; list-style: none; }
a { color: inherit; }
::selection { background: var(--amarillo); color: var(--negro); }

:focus-visible {
  outline: 2px solid var(--amarillo);
  outline-offset: 4px;
  border-radius: 1px;
}

.saltar {
  position: absolute;
  left: var(--margen);
  top: 0;
  transform: translateY(-120%);
  padding: .75rem 1rem;
  background: var(--amarillo);
  color: var(--negro);
  font-weight: 600;
  text-decoration: none;
  z-index: 10;
}
.saltar:focus { transform: translateY(0); }

.contenedor {
  width: 100%;
  max-width: var(--ancho);
  margin-inline: auto;
  padding-inline: var(--margen);
}

.bloque { padding-block: var(--espacio-bloque); }

/* Logotipo en línea: NECIO (condensada) + positivo (serif itálica) */
.np { white-space: nowrap; }
.np__n {
  font-family: var(--f-display);
  font-weight: 900;
  font-stretch: 70%;
  font-size: .94em;
  letter-spacing: .015em;
}
.np__p {
  font-family: var(--f-serif);
  font-style: italic;
  font-weight: 400;
  text-transform: lowercase;
  font-size: 1.08em;
}

/* ==========================================================================
   HERO
   ========================================================================== */
.hero {
  min-height: 100vh;
  min-height: 100svh;
  display: grid;
  grid-template-rows: 1fr auto 1.1fr auto auto;
  padding: max(1.5rem, env(safe-area-inset-top)) var(--margen) max(1.75rem, env(safe-area-inset-bottom));
  max-width: calc(var(--ancho) + 2 * var(--margen) + 12rem);
  margin-inline: auto;
}

.marca {
  /* --n = tamaño de NECIO. 2.28 ≈ ancho de la palabra en em: llena el ancho útil */
  --n: calc((100vw - 2 * var(--margen)) / 2.28);
  grid-row: 2;
  justify-self: start;
  min-width: 0;
  display: flex;
  flex-direction: column;
  font-weight: 400;
  line-height: 1;
}

.marca__necio {
  display: block;
  overflow: hidden;
  /* margen para que el recorte no corte la tipografía */
  padding-top: .04em;
  font-family: var(--f-display);
  font-weight: 900;
  font-stretch: 62%;
  color: var(--amarillo);
  font-size: var(--n);
  line-height: .8;
  letter-spacing: -.015em;
  margin-left: -.035em; /* compensa el espaciado lateral de la N */
}
.marca__necio > span { display: block; }

.marca__positivo {
  align-self: flex-end;
  font-family: var(--f-serif);
  font-style: italic;
  font-weight: 400;
  text-transform: lowercase;
  color: var(--hueso);
  font-size: calc(var(--n) * .44);
  line-height: 1;
  letter-spacing: -.01em;
  margin-top: -.1em;
  margin-right: -.04em;
}

.hero__lema {
  grid-row: 4;
  font-family: var(--f-sans);
  font-size: clamp(1.125rem, 4.6vw, 1.375rem);
  line-height: 1.4;
  max-width: 22ch;
}

.hero__cta {
  grid-row: 5;
  justify-self: start;
  display: inline-flex;
  align-items: center;
  gap: .6em;
  margin-top: 2.25rem;
  min-height: 2.75rem;
  color: var(--ceniza);
  font-size: 1rem;
  text-decoration: none;
  border-bottom: 1px solid var(--linea);
  transition: color .25s ease, border-color .25s ease;
}
.hero__cta:hover { color: var(--hueso); border-color: var(--hueso); }

/* Secuencia de entrada: el único momento orquestado de la página */
@media (prefers-reduced-motion: no-preference) {
  .marca__necio > span { animation: np-emerger 1s var(--curva) .1s both; }
  .marca__positivo { animation: np-avanzar 1.1s var(--curva) .55s both; }
  .hero__lema { animation: np-aparecer .9s ease 1s both; }
  .hero__cta { animation: np-aparecer .9s ease 1.3s both; }
}
@keyframes np-emerger { from { transform: translateY(102%); } }
@keyframes np-avanzar { from { opacity: 0; transform: translateX(-.5em); } }
@keyframes np-aparecer { from { opacity: 0; } }

/* ==========================================================================
   2 · LA PREGUNTA
   ========================================================================== */
.pregunta__titulo {
  font-family: var(--f-serif);
  font-weight: 400;
  font-size: clamp(2.6rem, 11vw, 6rem);
  line-height: 1;
  letter-spacing: -.015em;
  max-width: 12ch;
  text-wrap: balance;
}
.pregunta__texto {
  margin-top: clamp(2.5rem, 8vw, 4rem);
  max-width: 34rem;
  font-size: clamp(1.125rem, 4.4vw, 1.3125rem);
  line-height: 1.5;
}
.pregunta__texto p + p { margin-top: 1.1em; }
.pregunta__texto p:not(.pregunta__cierre) { color: #CFCBC2; }
.pregunta__cierre {
  margin-top: 2em !important;
  font-family: var(--f-serif);
  font-size: 1.45em;
  line-height: 1.2;
  color: var(--hueso);
}

/* ==========================================================================
   3 · QUÉ ES
   ========================================================================== */
.que-es { border-top: 1px solid var(--linea); }
.que-es__titulo {
  font-family: var(--f-serif);
  font-weight: 400;
  font-size: clamp(2.25rem, 9.5vw, 4.75rem);
  line-height: 1.05;
  letter-spacing: -.01em;
  max-width: 16ch;
  text-wrap: balance;
}
.que-es__entrada {
  margin-top: clamp(1.75rem, 6vw, 2.75rem);
  max-width: 30ch;
  font-size: clamp(1.25rem, 5vw, 1.625rem);
  line-height: 1.4;
}

.ciclo {
  margin-top: clamp(3rem, 12vw, 6rem);
  font-family: var(--f-sans);
  font-weight: 500;
  font-size: clamp(2.375rem, 11.5vw, 6rem);
  line-height: 1.08;
  letter-spacing: -.03em;
}
.ciclo li { padding-block: .04em; }

/* Con JS: los pasos se encienden uno a uno al leerlos */
.ciclo-activo .ciclo li {
  color: var(--hueso);
  opacity: .16;
  transition: opacity .9s ease;
}
.ciclo-activo .ciclo li.is-lit { opacity: 1; }

.que-es__mas {
  margin-top: clamp(3rem, 12vw, 6rem);
  color: var(--ceniza);
  font-size: clamp(1.25rem, 5vw, 1.625rem);
}
.que-es__mejor {
  margin-top: .3em;
  font-family: var(--f-serif);
  font-style: italic;
  font-size: clamp(3.5rem, 17vw, 9rem);
  line-height: 1;
  letter-spacing: -.02em;
}
.subrayado {
  position: relative;
  display: inline-block;
  padding-bottom: .08em;
}
.subrayado::after {
  content: "";
  position: absolute;
  left: .02em;
  right: .1em;
  bottom: 0;
  height: max(3px, .045em);
  background: var(--amarillo);
  transform-origin: left center;
}
@media (prefers-reduced-motion: no-preference) {
  .js .subrayado::after {
    transform: scaleX(0);
    transition: transform 1.2s var(--curva) .2s;
  }
  .js .subrayado.is-visible::after { transform: scaleX(1); }
}

/* ==========================================================================
   4 · INTRIGA
   ========================================================================== */
.intriga { border-top: 1px solid var(--linea); }
.pagina {
  position: relative;
  max-width: 34rem;
  font-size: clamp(1.125rem, 4.4vw, 1.3125rem);
  line-height: 1.55;
  color: #CFCBC2;
}
.pagina__folio {
  position: absolute;
  top: -.25rem;
  right: 0;
  font-family: var(--f-serif);
  font-size: 1.125rem;
  color: var(--ceniza);
}
.intriga__titulo {
  font-family: var(--f-serif);
  font-weight: 400;
  font-size: clamp(2.5rem, 10vw, 4.5rem);
  line-height: 1.02;
  letter-spacing: -.015em;
  color: var(--hueso);
  max-width: 11ch;
  margin-bottom: clamp(2rem, 6vw, 2.75rem);
}
.pagina p + p { margin-top: 1.2em; }
.intriga__lista {
  font-family: var(--f-serif);
  font-size: 1.6em;
  line-height: 1.2;
  color: var(--hueso);
}
.cursor {
  display: inline-block;
  width: .09em;
  min-width: 2px;
  height: 1.05em;
  margin-left: .12em;
  vertical-align: -.16em;
  background: var(--amarillo);
}
@media (prefers-reduced-motion: no-preference) {
  .cursor { animation: np-parpadeo 1.15s steps(1, end) infinite; }
}
@keyframes np-parpadeo { 50% { opacity: 0; } }

/* ==========================================================================
   5 · CAPTURA
   ========================================================================== */
.unete { background: var(--carbon); }
.unete__titulo {
  font-family: var(--f-serif);
  font-weight: 400;
  font-size: clamp(2.5rem, 10.5vw, 5rem);
  line-height: 1.02;
  letter-spacing: -.015em;
  max-width: 13ch;
  text-wrap: balance;
}
.unete__intro p { max-width: 32ch; margin-top: 1.25rem; color: #CFCBC2; font-size: clamp(1.0625rem, 4.2vw, 1.25rem); }
.unete__intro .unete__breve {
  margin-top: clamp(1.75rem, 6vw, 2.5rem);
  color: var(--hueso);
  font-family: var(--f-serif);
  font-style: italic;
  font-size: clamp(1.5rem, 6vw, 2rem);
  line-height: 1.25;
}
.unete__accion { margin-top: clamp(2.75rem, 10vw, 3.5rem); max-width: 30rem; }

.formulario { display: grid; gap: 1.5rem; }
.trampa { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }

.campo { display: grid; gap: .4rem; }
.campo label { font-size: .9375rem; color: var(--hueso); }
.campo input[type="text"],
.campo input[type="email"] {
  width: 100%;
  min-height: 3.25rem;
  padding: .7rem 0 .55rem;
  background: transparent;
  border: 0;
  border-bottom: 1px solid #6B6860;
  border-radius: 0;
  color: var(--hueso);
  font: 400 1.1875rem/1.3 var(--f-sans); /* ≥16px: evita el zoom de iOS */
  caret-color: var(--amarillo);
  transition: border-color .2s ease, box-shadow .2s ease;
  -webkit-appearance: none;
  appearance: none;
}
.campo input[type="text"]:focus,
.campo input[type="email"]:focus {
  outline: none;
  border-bottom-color: var(--amarillo);
  box-shadow: 0 1px 0 var(--amarillo);
}
.campo input:-webkit-autofill {
  -webkit-text-fill-color: var(--hueso);
  -webkit-box-shadow: 0 0 0 100px var(--carbon) inset;
  transition: background-color 9999s;
}
.campo.tiene-error input[type="text"],
.campo.tiene-error input[type="email"] {
  border-bottom: 2px solid var(--amarillo);
}
.campo__error {
  min-height: 0;
  font-size: .9375rem;
  line-height: 1.35;
  color: var(--amarillo);
}
.campo__error:empty { display: none; }

.campo--casilla {
  grid-template-columns: 1.5rem 1fr;
  column-gap: .875rem;
  align-items: start;
  margin-top: .25rem;
}
.campo--casilla label { font-size: .9375rem; line-height: 1.45; color: #CFCBC2; padding-top: .05rem; }
.campo--casilla .campo__error { grid-column: 2; }
.campo--casilla a { color: var(--hueso); text-underline-offset: .18em; }
.campo input[type="checkbox"] {
  -webkit-appearance: none;
  appearance: none;
  width: 1.5rem;
  height: 1.5rem;
  margin: 0;
  border: 1.5px solid var(--hueso);
  border-radius: 0;
  background: transparent;
  display: grid;
  place-content: center;
  cursor: pointer;
}
.campo input[type="checkbox"]::after {
  content: "";
  width: .45rem;
  height: .8rem;
  border: solid var(--negro);
  border-width: 0 2.5px 2.5px 0;
  transform: translateY(-.1rem) rotate(45deg) scale(0);
  transition: transform .15s ease;
}
.campo input[type="checkbox"]:checked { background: var(--amarillo); border-color: var(--amarillo); }
.campo input[type="checkbox"]:checked::after { transform: translateY(-.1rem) rotate(45deg) scale(1); }
.campo.tiene-error input[type="checkbox"] { border-color: var(--amarillo); border-width: 2px; }

.boton {
  width: 100%;
  min-height: 3.75rem;
  margin-top: .5rem;
  padding: 0 1.75rem;
  border: 0;
  border-radius: 0;
  background: var(--amarillo);
  color: var(--negro);
  font: 600 1rem/1 var(--f-sans);
  letter-spacing: .08em;
  cursor: pointer;
  transition: background-color .2s ease, transform .1s ease;
}
.boton:hover { background: var(--hueso); }
.boton:active { transform: translateY(1px); }
.boton:focus-visible { outline-color: var(--hueso); }
.boton[disabled] { cursor: progress; background: #B89A12; }

.formulario__estado { font-size: .9375rem; color: var(--amarillo); }
.formulario__estado:empty { display: none; }
.formulario__legal { font-size: .875rem; line-height: 1.5; color: var(--ceniza); max-width: 38ch; }

.exito { outline: none; }
.exito__titulo {
  font-family: var(--f-serif);
  font-weight: 400;
  font-size: clamp(3rem, 13vw, 5.5rem);
  line-height: 1;
  letter-spacing: -.015em;
}
.exito__linea { margin-top: 1.25rem; font-size: clamp(1.125rem, 4.6vw, 1.375rem); color: #CFCBC2; }
@media (prefers-reduced-motion: no-preference) {
  .exito:not([hidden]) .exito__titulo { animation: np-emerger-suave .9s var(--curva) both; }
  .exito:not([hidden]) .exito__linea { animation: np-aparecer .9s ease .5s both; }
}
@keyframes np-emerger-suave { from { opacity: 0; transform: translateY(.3em); } }

/* ==========================================================================
   PIE
   ========================================================================== */
.pie {
  border-top: 1px solid var(--linea);
  padding-block: 3rem max(2.5rem, env(safe-area-inset-bottom));
  font-size: .9375rem;
  color: var(--ceniza);
}
.pie__rejilla { display: grid; gap: 1.75rem; }
.np--pie { color: var(--hueso); font-size: 1.375rem; }
.pie__firma { margin-top: .35rem; font-size: .75rem; letter-spacing: .14em; color: var(--ceniza); }
.pie__nav a {
  display: inline-block;
  padding-block: .6rem;
  text-decoration: none;
  color: var(--hueso);
}
.pie__nav a:hover { text-decoration: underline; text-underline-offset: .2em; }
.pie__copy { font-size: .8125rem; }

/* ==========================================================================
   PÁGINAS INTERIORES (privacidad, gracias, 404)
   ========================================================================== */
.interior__cabecera { padding-top: max(1.5rem, env(safe-area-inset-top)); }
.interior__cabecera a { text-decoration: none; font-size: 1.25rem; display: inline-block; padding-block: .5rem; }
.interior { padding-block: clamp(3.5rem, 12vw, 7rem) clamp(4rem, 14vw, 8rem); }
.interior h1 {
  font-family: var(--f-serif);
  font-weight: 400;
  font-size: clamp(2.5rem, 10vw, 4.5rem);
  line-height: 1.02;
  letter-spacing: -.015em;
  max-width: 14ch;
}
.interior .fecha { margin-top: 1rem; color: var(--ceniza); font-size: .9375rem; }
.legal { max-width: 40rem; margin-top: clamp(2.5rem, 8vw, 4rem); color: #CFCBC2; }
.legal h2 {
  margin-top: 2.75rem;
  font-family: var(--f-serif);
  font-weight: 400;
  font-size: clamp(1.625rem, 6vw, 2rem);
  line-height: 1.15;
  color: var(--hueso);
}
.legal p, .legal ul { margin-top: 1rem; }
.legal ul { padding-left: 1.2em; }
.legal li + li { margin-top: .4rem; }
.legal a { color: var(--hueso); text-underline-offset: .18em; }
.interior .volver {
  display: inline-block;
  margin-top: 2.5rem;
  color: var(--hueso);
  text-underline-offset: .2em;
  padding-block: .5rem;
}
.interior .exito__linea { max-width: 30ch; }

/* ==========================================================================
   ESCRITORIO
   ========================================================================== */
@media (min-width: 900px) {
  body { font-size: 1.125rem; }

  .hero {
    grid-template-rows: 1fr auto .9fr auto;
    grid-template-columns: 1fr auto;
    column-gap: 4rem;
    padding-top: 2.5rem;
    padding-bottom: 3rem;
  }
  .marca {
    grid-column: 1 / -1;
    --n: min(calc((100vw - 2 * var(--margen)) / 2.28), 54vh, 36rem);
  }
  .marca__positivo { margin-top: -.16em; }
  .hero__lema { grid-row: 4; grid-column: 1; align-self: end; }
  .hero__cta { grid-row: 4; grid-column: 2; align-self: end; margin-top: 0; }

  .pregunta .contenedor,
  .que-es .contenedor,
  .unete__rejilla {
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    column-gap: 2rem;
  }
  .pregunta__titulo { grid-column: 1 / 9; }
  .pregunta__texto { grid-column: 7 / 13; }

  .que-es__titulo { grid-column: 1 / 10; }
  .que-es__entrada { grid-column: 1 / 8; }
  .ciclo { grid-column: 3 / 13; }
  .que-es__mas, .que-es__mejor { grid-column: 3 / 13; }

  .pagina { margin-left: calc(100% / 12 * 4); }

  .unete__intro { grid-column: 1 / 7; }
  .unete__accion { grid-column: 8 / 13; margin-top: .75rem; }
  .boton { width: auto; }

  .pie__rejilla {
    grid-template-columns: 1fr auto;
    align-items: end;
  }
  .pie__copy { grid-column: 1 / -1; }
}


/* ---------- Movimiento reducido ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}

/* ---------- Alto contraste forzado (Windows) ---------- */
@media (forced-colors: active) {
  .boton { border: 2px solid ButtonText; }
  .campo input[type="checkbox"]:checked { background: Highlight; }
}