/* Páginas de contenido (inicio, FAQ, ayuda, nosotros, 404) en el estilo folleto.
   Se carga después de folleto.css, que trae los colores, la franja, los botones y la pila. */

html {
  scroll-behavior: smooth;
}

.wrap {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding-inline: var(--gutter);
}

.wrap--narrow {
  max-width: 860px;
}

.band__nav {
  align-items: center;
}

.band__nav a[aria-current="page"] {
  text-decoration-thickness: 2px;
  text-decoration-color: var(--gold);
}

.band .band__cta {
  padding: 7px 14px 6px;
  color: var(--ink);
  font-weight: 600;
  text-decoration: none;
  background: var(--cream);
  border: 1.5px solid var(--ink);
  border-radius: 2px;
  box-shadow: 3px 3px 0 var(--ink);
  transition: transform var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease);
}

.band .band__cta:hover {
  text-decoration: none;
  background: var(--field);
}

.band__cta:active {
  box-shadow: 0 0 0 var(--ink);
  transform: translate(3px, 3px);
}

.kicker {
  margin: 0 0 8px;
  color: var(--gold-deep);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.display {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 0.98;
}

.display--xl { font-size: clamp(46px, 7.2vw, 104px); }
.display--lg { font-size: clamp(36px, 4.6vw, 64px); }
.display--md { font-size: clamp(28px, 3vw, 40px); line-height: 1.05; }
.display--sm { font-size: 23px; line-height: 1.12; letter-spacing: -0.005em; }

.display em {
  color: var(--green);
  font-style: normal;
}

.lead {
  max-width: 50ch;
  margin: 0;
  color: var(--ink-soft);
  font-size: clamp(18px, 1.5vw, 21px);
  line-height: 1.42;
}

.prose p {
  max-width: 62ch;
  margin: 0 0 14px;
}

.prose p:last-child {
  margin-bottom: 0;
}

.section {
  padding-block: clamp(52px, 8vw, 104px);
}

.section--tint {
  background: var(--paper-2);
  border-block: 1px solid var(--line);
}

.section__head {
  display: grid;
  gap: 10px;
  margin-bottom: clamp(26px, 4vw, 44px);
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 20px;
}

a.btn {
  display: inline-block;
  color: var(--ink);
  text-decoration: none;
}

a.btn--primary {
  color: var(--cream);
}

.text-link {
  color: var(--green);
  font-weight: 500;
  text-underline-offset: 4px;
}

.text-link:focus-visible,
.prose a:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

/* Entrada al hacer scroll: la clase la pone landing.js, así sin JS todo se ve. */
.reveal--pending {
  opacity: 0;
  transform: translate3d(0, 16px, 0);
}

.reveal {
  transition: opacity var(--t-slow) var(--ease), transform var(--t-slow) var(--ease);
}

/* ---------- Inicio: hero ---------- */
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  min-height: min(calc(100vh - var(--band-height)), 860px);
  border-bottom: 1.5px solid var(--ink);
  /* La entrada desliza el texto unos píxeles; no debe ensanchar la página. */
  overflow-x: clip;
}

.hero__copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 22px;
  padding: clamp(40px, 6vw, 88px) var(--gutter) clamp(40px, 6vw, 88px) max(var(--gutter), calc((100vw - 1180px) / 2 + var(--gutter)));
  animation: panel-in var(--t-slow) var(--ease) both;
}

.hero__stage {
  position: relative;
  min-height: 440px;
  background: var(--green);
  border-left: 1.5px solid var(--ink);
  overflow: hidden;
  --stack-scale: 1.45;
}

.hero__stage .stack {
  top: 62%;
}

.hero__stage .stack::before {
  background: rgba(10, 24, 17, 0.35);
}

/* Sobre verde, las carpetas vacías se dibujan en crema. */
.hero__stage .fold:not(.is-filled) .back,
.hero__stage .fold:not(.is-filled) .front,
.hero__stage .fold:not(.is-filled) .back::before {
  box-shadow: inset 0 0 0 1.5px rgba(243, 234, 216, 0.55);
}

.hero__stage .fold:not(.is-filled) .front {
  color: rgba(243, 234, 216, 0.7);
}

.hero__tag {
  position: absolute;
  left: 22px;
  bottom: 18px;
  margin: 0;
  color: rgba(243, 234, 216, 0.82);
  font-family: var(--font-mono);
  font-size: 12.5px;
}

.facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 0;
  padding: 0;
  list-style: none;
  border-bottom: 1px solid var(--line);
}

.facts li {
  padding: 16px var(--gutter);
  font-family: var(--font-mono);
  font-size: 13px;
}

.facts li + li {
  border-left: 1px solid var(--line);
}

.facts b {
  display: block;
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 400;
}

/* ---------- Inicio: la noche antes ---------- */
.night {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
}

.night__copy {
  display: grid;
  gap: 16px;
}

.night__fix {
  margin-top: 8px;
  padding-top: 18px;
  border-top: 1.5px solid var(--ink);
}

.night__fix p {
  margin: 6px 0 0;
  color: var(--ink-soft);
}

.chaos {
  display: flex;
  flex-wrap: wrap;
  gap: 9px 8px;
  margin: 0;
  padding: 18px 0;
  list-style: none;
}

.chaos li {
  padding: 5px 10px 4px;
  font-family: var(--font-mono);
  font-size: 13px;
  background: var(--field);
  border: 1px solid var(--ink);
  border-radius: 2px;
  transform: translate3d(var(--tx, 0), var(--ty, 0), 0) rotate(var(--rot, 0deg));
  transition: transform 620ms var(--ease);
}

/* Desordenados al llegar; landing.js los ordena cuando la sección entra en pantalla. */
.chaos li:nth-child(6n + 1) { --tx: -6px; --ty: 9px; --rot: -5deg; }
.chaos li:nth-child(6n + 2) { --tx: 8px; --ty: -7px; --rot: 4deg; }
.chaos li:nth-child(6n + 3) { --tx: -3px; --ty: 12px; --rot: 7deg; }
.chaos li:nth-child(6n + 4) { --tx: 10px; --ty: 4px; --rot: -8deg; }
.chaos li:nth-child(6n + 5) { --tx: -9px; --ty: -5px; --rot: 3deg; }
.chaos li:nth-child(6n) { --tx: 5px; --ty: 10px; --rot: -3deg; }

.chaos li:nth-child(3n + 1) { transition-delay: 0ms; }
.chaos li:nth-child(3n + 2) { transition-delay: 70ms; }
.chaos li:nth-child(3n) { transition-delay: 140ms; }

.chaos.is-sorted li {
  --tx: 0px;
  --ty: 0px;
  --rot: 0deg;
}

.chaos__state {
  margin: 0;
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 12.5px;
}

.trio {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0 clamp(20px, 3vw, 40px);
  margin: clamp(40px, 6vw, 72px) 0 0;
  padding: 0;
  list-style: none;
  border-top: 1.5px solid var(--ink);
}

.trio li {
  display: grid;
  align-content: start;
  gap: 8px;
  padding-top: 18px;
}

.trio p {
  margin: 0;
  color: var(--ink-soft);
}

.numeral {
  color: var(--gold-deep);
  font-family: var(--font-mono);
  font-size: 13px;
}

/* ---------- Inicio: proceso ---------- */
.process {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1.5px solid var(--ink);
  border-bottom: 1.5px solid var(--ink);
}

.process li {
  display: grid;
  align-content: start;
  gap: 10px;
  padding: 22px clamp(14px, 2vw, 26px) 26px;
}

.process li + li {
  border-left: 1px solid var(--line);
}

.process li:first-child {
  padding-left: 0;
}

.process p {
  margin: 0;
  color: var(--ink-soft);
}

.process__num {
  font-family: var(--font-display);
  font-size: 44px;
  line-height: 1;
  color: var(--green);
}

/* ---------- Inicio: resultado ---------- */
.proof {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
  gap: clamp(22px, 3vw, 40px);
  align-items: start;
}

.shot {
  margin: 0;
}

.shot img {
  display: block;
  width: 100%;
  height: auto;
  background: var(--field);
  border: 1.5px solid var(--ink);
  box-shadow: 6px 6px 0 var(--ink);
}

.shot figcaption {
  margin-top: 14px;
  color: var(--ink-soft);
  font-size: 15.5px;
}

.shot figcaption b {
  color: var(--ink);
  font-weight: 600;
}

.ledger {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 clamp(22px, 4vw, 56px);
  margin: clamp(40px, 6vw, 72px) 0 0;
  border-top: 1.5px solid var(--ink);
}

.ledger div {
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.ledger dt {
  margin-bottom: 4px;
  font-family: var(--font-display);
  font-size: 21px;
}

.ledger dd {
  margin: 0;
  color: var(--ink-soft);
}

.ledger a {
  color: var(--green);
}

.columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(24px, 4vw, 64px);
}

.columns > div {
  display: grid;
  align-content: start;
  gap: 10px;
}

.columns p {
  margin: 0;
  color: var(--ink-soft);
}

/* ---------- Cierre y pie ---------- */
.closing {
  padding-block: clamp(56px, 8vw, 104px);
  color: var(--cream);
  background: var(--green);
}

.closing .wrap {
  display: grid;
  gap: 28px;
  justify-items: start;
}

.closing .display {
  max-width: 18ch;
}

.closing .btn--primary {
  color: var(--ink);
  background: var(--cream);
}

.closing .btn--primary:hover {
  background: var(--field);
}

.footer {
  padding-block: 30px;
  background: var(--paper-2);
  border-top: 1.5px solid var(--ink);
}

.footer .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px 28px;
}

.footer__brand {
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 21px;
  text-decoration: none;
}

.footer p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 15px;
}

.footer nav {
  display: flex;
  gap: 20px;
}

.footer nav a {
  color: var(--ink);
  text-underline-offset: 4px;
}

/* ---------- Cabecera de páginas internas ---------- */
.page-head {
  padding-block: clamp(44px, 7vw, 92px) clamp(36px, 5vw, 64px);
  border-bottom: 1.5px solid var(--ink);
  /* La entrada desliza el contenido unos píxeles; sin esto aparece scroll horizontal un instante. */
  overflow-x: clip;
}

.page-head .wrap {
  display: grid;
  gap: 16px;
  animation: panel-in var(--t-slow) var(--ease) both;
}

.page-head .display {
  max-width: 16ch;
}

/* ---------- FAQ ---------- */
.qa-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 clamp(24px, 4vw, 64px);
  border-top: 1.5px solid var(--ink);
}

.qa {
  padding: 20px 0 24px;
  border-bottom: 1px solid var(--line);
}

.qa h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 23px;
  font-weight: 400;
  line-height: 1.12;
}

.qa p {
  margin: 0;
  color: var(--ink-soft);
}

.manual {
  display: grid;
  grid-template-columns: 200px minmax(0, 1fr);
  gap: clamp(24px, 5vw, 72px);
  align-items: start;
}

.manual__index {
  position: sticky;
  top: 24px;
  display: grid;
  gap: 8px;
}

.manual__index a {
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 21px;
  text-decoration: none;
}

.manual__index a:hover,
.manual__index a:focus-visible {
  color: var(--green);
  text-decoration: underline;
  text-underline-offset: 5px;
  outline: none;
}

.faq-group {
  scroll-margin-top: 24px;
}

.faq-group + .faq-group {
  margin-top: clamp(36px, 5vw, 56px);
}

.faq-group h2 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: clamp(28px, 3vw, 38px);
  font-weight: 400;
  letter-spacing: -0.01em;
}

.faq-accordion {
  border-top: 1.5px solid var(--ink);
}

.faq-item {
  border-bottom: 1px solid var(--line);
}

.faq-item summary {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 18px;
  padding: 15px 0;
  font-size: 19px;
  font-weight: 500;
  list-style: none;
  cursor: pointer;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  flex: none;
  width: 26px;
  height: 26px;
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 24px;
  text-align: center;
  border: 1.5px solid var(--ink);
  border-radius: 2px;
  transition: background-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}

.faq-item[open] summary::after {
  content: "\2212";
  color: var(--cream);
  background: var(--green);
}

.faq-item summary:hover::after {
  background: var(--paper-2);
}

.faq-item[open] summary:hover::after {
  background: var(--green-hi);
}

.faq-item summary:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

.faq-item__answer {
  padding: 0 44px 18px 0;
  color: var(--ink-soft);
  animation: chip-in var(--t-mid) var(--ease) both;
}

.faq-item__answer p {
  max-width: 62ch;
  margin: 0;
}

.callout {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px 32px;
}

.callout > div {
  display: grid;
  gap: 8px;
  max-width: 56ch;
}

.callout p {
  margin: 0;
  color: var(--ink-soft);
}

/* ---------- Ayuda ---------- */
.guides {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1.5px solid var(--ink);
}

.guide {
  display: grid;
  grid-template-columns: 72px minmax(0, 0.7fr) minmax(0, 1.3fr);
  gap: 8px 24px;
  padding: 24px 0 26px;
  border-bottom: 1px solid var(--line);
}

.guide__num {
  font-family: var(--font-display);
  font-size: 40px;
  line-height: 1;
  color: var(--green);
}

.guide__body ol,
.guide__body ul {
  display: grid;
  gap: 7px;
  margin: 0;
  padding-left: 22px;
  color: var(--ink-soft);
}

.guide__body strong {
  color: var(--ink);
  font-weight: 600;
}

.table-wrap {
  overflow-x: auto;
}

.spec {
  width: 100%;
  border-collapse: collapse;
  border-top: 1.5px solid var(--ink);
  border-bottom: 1.5px solid var(--ink);
}

.spec th,
.spec td {
  padding: 11px 16px 11px 0;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
}

.spec thead th {
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 400;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-bottom: 1.5px solid var(--ink);
}

.spec tbody td:first-child {
  width: 34%;
  font-weight: 600;
}

.spec tbody td:last-child {
  color: var(--ink-soft);
}

.spec tbody tr:last-child td {
  border-bottom: 0;
}

.after-table {
  max-width: 62ch;
  margin: 22px 0 0;
  color: var(--ink-soft);
}

/* ---------- Nosotros ---------- */
.origin {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.7fr);
  gap: clamp(26px, 5vw, 72px);
  align-items: start;
}

.origin__text {
  display: grid;
  gap: 16px;
}

.origin__text p {
  max-width: 60ch;
  margin: 0;
  color: var(--ink-soft);
}

.pull {
  margin: 0;
  padding: 22px 24px 24px;
  color: var(--cream);
  background: var(--green);
  border: 1.5px solid var(--ink);
  box-shadow: 6px 6px 0 var(--ink);
}

.pull span {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.8;
}

.pull p {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(23px, 2.2vw, 30px);
  line-height: 1.12;
}

/* ---------- 404 ---------- */
.lost {
  display: grid;
  align-content: center;
  min-height: calc(100vh - var(--band-height));
  padding-block: 56px;
  overflow-x: clip;
}

.lost .wrap {
  display: grid;
  gap: 18px;
  animation: panel-in var(--t-slow) var(--ease) both;
}

.lost__code {
  font-family: var(--font-display);
  font-size: clamp(96px, 18vw, 220px);
  line-height: 0.82;
  color: var(--green);
}

/* ---------- Pantallas medianas y angostas ---------- */
@media (max-width: 900px) {
  .hero {
    grid-template-columns: minmax(0, 1fr);
    min-height: 0;
  }

  .hero__copy {
    padding: 44px var(--gutter) 40px;
  }

  .hero__stage {
    min-height: 400px;
    border-top: 1.5px solid var(--ink);
    border-left: 0;
    --stack-scale: 1.15;
  }

  .night,
  .proof,
  .origin,
  .manual,
  .columns {
    grid-template-columns: minmax(0, 1fr);
  }

  .manual__index {
    position: static;
    grid-auto-flow: column;
    justify-content: start;
    gap: 6px 20px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--line);
  }

  .process {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .process li:nth-child(odd) {
    padding-left: 0;
    border-left: 0;
  }

  .process li:nth-child(n + 3) {
    border-top: 1px solid var(--line);
  }

  .guide {
    grid-template-columns: 56px minmax(0, 1fr);
  }

  .guide__body {
    grid-column: 2;
  }
}

@media (max-width: 640px) {
  .facts,
  .trio,
  .qa-grid,
  .ledger {
    grid-template-columns: minmax(0, 1fr);
  }

  .facts li + li {
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .trio li + li {
    margin-top: 18px;
    border-top: 1px solid var(--line);
  }

  .process {
    grid-template-columns: minmax(0, 1fr);
  }

  .process li,
  .process li:first-child {
    padding-inline: 0;
    border-left: 0;
  }

  .process li + li {
    border-top: 1px solid var(--line);
  }

  .manual__index {
    grid-auto-flow: row;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .faq-item__answer {
    padding-right: 0;
  }

  .band__cta {
    display: none;
  }

  .spec tbody td:first-child {
    width: 42%;
  }

  .hero__stage {
    min-height: 340px;
    --stack-scale: 0.95;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .chaos li {
    --tx: 0px;
    --ty: 0px;
    --rot: 0deg;
  }

  .reveal--pending {
    opacity: 1;
    transform: none;
  }
}