/* ============================================================
   Retornex — web pública · capa 2: composición y componentes
   ============================================================ */

/* ---------- Material recurrente: la placa de instrumento ----------
   Filete de 1px + dos marcas de registro en diagonal. Es la unidad
   de la web entera: donde hay un dato que se puede auditar, hay placa. */

.plate {
  position: relative;
  border: 1px solid var(--rule);
  background: linear-gradient(180deg, rgba(22, 74, 107, 0.16), rgba(10, 32, 50, 0.1));
}

.plate::before,
.plate::after {
  content: '';
  position: absolute;
  width: 11px;
  height: 11px;
  pointer-events: none;
}

.plate::before {
  top: -1px;
  left: -1px;
  border-top: 1px solid var(--ok);
  border-left: 1px solid var(--ok);
}

.plate::after {
  bottom: -1px;
  right: -1px;
  border-bottom: 1px solid var(--ok);
  border-right: 1px solid var(--ok);
}

.plate--paper {
  background: var(--paper-raised);
  border-color: var(--rule-paper);
  box-shadow: 0 1px 2px rgba(15, 30, 41, 0.05), 0 18px 40px -24px rgba(15, 30, 41, 0.35);
}

/* ---------- Degradación: estático por defecto ----------
   El marcado no esconde nada. `js-listo` la pone site.js nada más
   ejecutarse (prueba de vida del módulo) y es lo único que autoriza a
   esconder contenido a la espera de JavaScript. `hero--sin-escena` la
   pone site.js sobre `.hero` cuando la escena no puede arrancar —por
   ejemplo sin contexto 2D—, y devuelve el hero a ese mismo estado
   estático.

   Sin JavaScript, sin soporte de módulos, con el módulo caído o con el
   lienzo inutilizable, el resultado es idéntico y deliberado: no hay
   escena, no hay lecturas a cero haciéndose pasar por un dato, no hay
   lienzo vacío ocupando sitio, y el titular ocupa el ancho completo. */

.stage {
  display: none;
}

.js-listo .hero:not(.hero--sin-escena) .stage {
  display: block;
}

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

.js-listo .hero:not(.hero--sin-escena) .hero__inner {
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
}

.hero__text {
  max-width: 44rem;
}

.js-listo .hero:not(.hero--sin-escena) .hero__text {
  max-width: 34rem;
}

/* Los revelados dependen de un observador: sin el módulo nunca llegarían
   y la web entera por debajo del hero se quedaría invisible. */
.js-listo .reveal:not(.is-revealed) {
  opacity: 0;
  transform: translateY(14px);
}

/* Los tics del diagrama los genera el script. Sin él se retiran, y con
   ellos su leyenda: una clave de colores sin gráfico parece un
   componente roto, no una versión estática a propósito. */
html:not(.js-listo) .ticks,
html:not(.js-listo) .legend {
  display: none;
}

/* ---------- Botones ---------- */

.btn {
  --btn-bg: transparent;
  --btn-fg: var(--on-night);
  --btn-line: var(--rule-strong);
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.85rem 1.4rem;
  background: var(--btn-bg);
  color: var(--btn-fg);
  border: 1px solid var(--btn-line);
  border-radius: 3px;
  font-weight: 600;
  font-size: 0.975rem;
  letter-spacing: -0.005em;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.22s var(--ease), border-color 0.22s var(--ease),
    transform 0.22s var(--ease), color 0.22s var(--ease);
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}

.btn--primary {
  --btn-bg: var(--ok);
  --btn-fg: #04150b;
  --btn-line: var(--ok);
  font-weight: 700;
}

.btn--primary:hover {
  --btn-bg: #3ab567;
  --btn-line: #3ab567;
}

.btn--ghost:hover {
  --btn-line: var(--ok-bright);
  --btn-fg: var(--ok-bright);
  background: var(--ok-field);
}

.btn--sm {
  padding: 0.6rem 1.05rem;
  font-size: 0.9rem;
}

.btn .arrow {
  transition: transform 0.25s var(--ease);
}

.btn:hover .arrow {
  transform: translateX(3px);
}

/* ---------- Barra de navegación ---------- */

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid transparent;
  background: transparent;
  transition: background 0.3s var(--ease), border-color 0.3s var(--ease);
}

.nav.is-stuck {
  background: rgba(4, 18, 28, 0.86);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom-color: var(--rule);
}

.nav__inner {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 3vw, 2.5rem);
  height: 72px;
}

.nav__brand {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex: 0 0 auto;
}

.nav__brand img {
  height: 25px;
  width: auto;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2.2vw, 2rem);
  margin-left: auto;
}

.nav__links a {
  font-size: 0.925rem;
  color: var(--on-night-2);
  text-decoration: none;
  position: relative;
  padding-block: 0.4rem;
  transition: color 0.2s var(--ease);
}

.nav__links a::after {
  content: '';
  position: absolute;
  left: 0;
  right: 100%;
  bottom: 0;
  height: 1px;
  background: var(--ok-bright);
  transition: right 0.32s var(--ease);
}

.nav__links a:hover {
  color: var(--on-night);
}

.nav__links a:hover::after {
  right: 0;
}

.nav__cta {
  flex: 0 0 auto;
}

@media (max-width: 860px) {
  .nav__links a:not(.nav__links-keep) {
    display: none;
  }
}

@media (max-width: 480px) {
  .nav__cta {
    display: none;
  }
  .nav__links {
    margin-left: auto;
  }
}

/* ---------- Hero ---------- */

.hero {
  position: relative;
  padding-top: clamp(2.5rem, 5vw, 4.5rem);
  padding-bottom: clamp(3rem, 5vw, 5rem);
  overflow: hidden;
}

.hero__glow {
  position: absolute;
  inset: -20% -10% auto -10%;
  height: 780px;
  pointer-events: none;
  background: radial-gradient(56% 60% at 68% 32%, rgba(22, 74, 107, 0.5), transparent 70%),
    radial-gradient(38% 46% at 24% 8%, rgba(49, 160, 89, 0.12), transparent 72%);
}

.hero__inner {
  position: relative;
  display: grid;
  gap: clamp(2rem, 4vw, 4rem);
  align-items: center;
}

.hero h1 {
  font-size: clamp(2.05rem, 3.75vw, 3.45rem);
  margin-bottom: 1.5rem;
}

.hero h1 span {
  display: block;
}

.hero h1 span + span {
  margin-top: 0.08em;
}

.hero h1 .accent {
  color: var(--ok-bright);
}

.hero__lead {
  margin-bottom: 2rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2.5rem;
}

.factrail {
  display: flex;
  flex-wrap: wrap;
  border-top: 1px solid var(--rule);
  padding-top: 1.15rem;
  gap: 0.3rem 1.5rem;
}

.factrail li {
  font-size: 0.855rem;
  color: var(--on-night-2);
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

.factrail li::before {
  content: '';
  width: 5px;
  height: 5px;
  background: var(--ok);
  flex: 0 0 auto;
}

/* Escenario: lienzo + lecturas en DOM (texto nítido y accesible) */

.stage {
  position: relative;
  margin: 0;
}

.stage__canvas {
  width: 100%;
  aspect-ratio: 10 / 7;
  min-height: 300px;
}

.readouts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
  margin-top: 0.4rem;
}

.readout {
  background: rgba(10, 32, 50, 0.5);
  padding: 0.75rem 1rem 0.8rem;
  min-width: 0;
}

.readout dt {
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--on-night-3);
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.readout dd {
  font-family: var(--display);
  font-size: 1.6rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
}

.readout--ok dd {
  color: var(--ok-bright);
}

.readout--review dd {
  color: var(--review);
}

/* La escena es una ilustración del mecanismo, no una tasa de éxito.
   El sello va pegado al lienzo y el pie lo dice con todas las letras. */
.stage__badge {
  position: absolute;
  top: 0.55rem;
  right: 0.35rem;
  font-size: 0.66rem;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--on-night-2);
  border: 1px solid var(--rule);
  border-radius: 2px;
  padding: 0.25rem 0.5rem;
  background: rgba(4, 18, 28, 0.72);
  pointer-events: none;
}

.stage__caption {
  margin-top: 0.8rem;
  font-size: 0.8rem;
  line-height: 1.5;
  color: var(--on-night-2);
  max-width: 38rem;
}

@media (max-width: 980px) {
  .js-listo .hero:not(.hero--sin-escena) .hero__inner {
    grid-template-columns: minmax(0, 1fr);
  }
  .js-listo .hero:not(.hero--sin-escena) .hero__text {
    max-width: 38rem;
  }
  .stage__canvas {
    aspect-ratio: 4 / 3;
    min-height: 0;
  }
}

@media (max-width: 520px) {
  .hero__actions {
    display: grid;
    grid-template-columns: 1fr;
  }
  .hero__actions .btn {
    justify-content: center;
  }
}

@media (max-width: 560px) {
  .stage__badge {
    font-size: 0.6rem;
    letter-spacing: 0.08em;
    padding: 0.2rem 0.4rem;
    top: 0.4rem;
  }
  .readout {
    padding: 0.55rem 0.65rem 0.6rem;
  }
  .readout dt {
    font-size: 0.6rem;
    letter-spacing: 0.06em;
  }
  .readout dd {
    font-size: 1.25rem;
  }
}

/* ---------- Encabezado de banda ---------- */

.band__head {
  max-width: 44rem;
  margin-bottom: clamp(2.5rem, 4vw, 4rem);
}

.band__head h1,
.band__head h2 {
  margin-bottom: 1.15rem;
}

.band__head--wide {
  max-width: 54rem;
}

/* ---------- El problema: la hoja anotada ---------- */

.sheet-wrap {
  display: grid;
  grid-template-columns: minmax(0, 1.62fr) minmax(0, 1fr);
  gap: clamp(2rem, 4vw, 3.5rem);
  align-items: start;
}

.sheet {
  overflow-x: auto;
  overscroll-behavior-x: contain;
}

.sheet__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.7rem 1rem;
  border-bottom: 1px solid var(--rule-paper);
  background: var(--paper-sunken);
}

.sheet__name {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--on-paper-2);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.sheet__tag {
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--on-paper-3);
  font-weight: 600;
}

table.grid {
  border-collapse: collapse;
  width: 100%;
  min-width: 620px;
  font-size: 0.82rem;
  font-variant-numeric: tabular-nums;
}

table.grid th {
  text-align: left;
  font-size: 0.65rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--on-paper-3);
  font-weight: 600;
  padding: 0.6rem 0.7rem;
  border-bottom: 1px solid var(--rule-paper);
  white-space: nowrap;
  background: var(--paper-raised);
}

table.grid td {
  padding: 0.62rem 0.7rem;
  border-bottom: 1px solid var(--rule-paper-soft);
  color: var(--on-paper);
  white-space: nowrap;
}

table.grid tr:last-child td {
  border-bottom: 0;
}

table.grid .n {
  text-align: right;
}

.mark {
  background: linear-gradient(transparent 62%, rgba(226, 96, 76, 0.28) 62%);
  padding-bottom: 1px;
}

.flag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.15rem;
  height: 1.15rem;
  border: 1px solid var(--alert);
  color: var(--alert);
  font-size: 0.66rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  border-radius: 50%;
  margin-left: 0.45rem;
  vertical-align: 1px;
}

.sheet__hint {
  display: none;
  font-size: 0.78rem;
  color: var(--on-paper-3);
  margin: 0.65rem 0 1.5rem;
}

@media (max-width: 940px) {
  .sheet__hint {
    display: block;
  }
}

.annots {
  display: grid;
  gap: 1px;
  background: var(--rule-paper);
  border: 1px solid var(--rule-paper);
}

.annot {
  display: grid;
  grid-template-columns: 2.3rem 1fr;
  gap: 0.5rem;
  padding: 1.05rem 1.15rem;
  background: var(--paper);
  transition: background 0.2s var(--ease);
}

.annot:hover {
  background: var(--paper-raised);
}

.annot__n {
  font-family: var(--display);
  font-weight: 700;
  font-size: 0.8rem;
  color: var(--alert);
  font-variant-numeric: tabular-nums;
  padding-top: 0.12em;
}

.annot p {
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--on-paper);
}

.annot p b {
  font-weight: 600;
}

@media (max-width: 940px) {
  .sheet-wrap {
    grid-template-columns: 1fr;
  }
}

/* ---------- El reparto: diagrama de clasificación ---------- */

.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
}

.diagram {
  padding: clamp(1.25rem, 2.5vw, 2rem);
}

.diagram__row + .diagram__row {
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--rule-soft);
}

.diagram__label {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.75rem;
}

.diagram__label .micro {
  color: var(--on-night-2);
}

.diagram__count {
  font-family: var(--display);
  font-weight: 700;
  font-size: 0.95rem;
  font-variant-numeric: tabular-nums;
  color: var(--on-night-3);
}

.ticks {
  display: grid;
  grid-template-columns: repeat(20, 1fr);
  gap: 4px 3px;
  align-items: start;
  padding-top: 9px;
}

.ticks i {
  height: 18px;
  background: var(--none-field);
  border-top: 2px solid var(--none);
  opacity: 0.55;
  transform: translateY(6px);
  transition: opacity 0.5s var(--ease), transform 0.5s var(--ease),
    background 0.5s var(--ease), border-color 0.5s var(--ease);
}

.is-revealed .ticks i {
  opacity: 1;
  transform: none;
}

.ticks i.t-ok {
  background: var(--ok-field);
  border-top-color: var(--ok);
}
.ticks i.t-review {
  background: var(--review-field);
  border-top-color: var(--review);
}
.ticks i.t-ambig {
  background: var(--ambig-field);
  border-top-color: var(--ambig);
}
.ticks i.t-none {
  background: var(--none-field);
  border-top-color: var(--none);
}

/* Las excepciones sobresalen de la fila: es exactamente lo que hacen
   en la operativa. Seis de cien, imposibles de pasar por alto. */
.ticks i.t-review,
.ticks i.t-ambig,
.ticks i.t-none {
  height: 27px;
  margin-top: -9px;
}

.outcomes {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--rule-soft);
  border: 1px solid var(--rule-soft);
}

.outcome {
  background: rgba(10, 32, 50, 0.55);
  padding: 1.1rem 1.15rem;
}

.outcome h3 {
  font-family: var(--display);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 0 0 0.35rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.outcome h3::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex: 0 0 auto;
}

.outcome--ok h3::before {
  background: var(--ok);
}
.outcome--review h3::before {
  background: var(--review);
}

.outcome p {
  font-size: 0.875rem;
  color: var(--on-night-2);
  line-height: 1.5;
}

.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.1rem;
  margin-top: 1.15rem;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.78rem;
  color: var(--on-night-2);
}

.chip::before {
  content: '';
  width: 8px;
  height: 8px;
  flex: 0 0 auto;
}

.chip--ok::before {
  background: var(--ok);
}
.chip--review::before {
  background: var(--review);
}
.chip--ambig::before {
  background: var(--ambig);
}
.chip--none::before {
  background: var(--none);
}

.claim {
  margin-top: 2rem;
  padding-left: 1.15rem;
  border-left: 1px solid var(--ok);
  font-size: 1.05rem;
  color: var(--on-night);
  max-width: 34rem;
}

@media (max-width: 940px) {
  .split {
    grid-template-columns: 1fr;
  }
}

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

/* ---------- Cómo funciona: pasos + pantalla viva ---------- */

.steps {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.3fr);
  gap: clamp(1.5rem, 3.5vw, 3.5rem);
  align-items: start;
}

.steplist {
  display: grid;
  gap: 1px;
  background: var(--rule-paper);
  border: 1px solid var(--rule-paper);
  position: sticky;
  top: 6rem;
}

.step {
  display: grid;
  grid-template-columns: 1.9rem 1fr;
  gap: 0.75rem;
  align-items: start;
  width: 100%;
  text-align: left;
  padding: 1.05rem 1.1rem;
  background: var(--paper);
  border: 0;
  border-left: 2px solid transparent;
  cursor: pointer;
  transition: background 0.24s var(--ease), border-color 0.24s var(--ease);
}

.step:hover {
  background: var(--paper-raised);
}

.step__n {
  display: block;
  font-family: var(--display);
  font-weight: 700;
  font-size: 0.78rem;
  font-variant-numeric: tabular-nums;
  color: var(--on-paper-3);
  padding-top: 0.2em;
  transition: color 0.24s var(--ease);
}

.step__t {
  display: block;
  font-family: var(--display);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: -0.015em;
  color: var(--on-paper);
  margin-bottom: 0.2rem;
}

.step__d {
  display: grid;
  grid-template-rows: 0fr;
  font-size: 0.88rem;
  line-height: 1.5;
  color: var(--on-paper-2);
  opacity: 0;
  transition: grid-template-rows 0.4s var(--ease), opacity 0.28s var(--ease);
}

.step__d > span {
  display: block;
  overflow: hidden;
  padding-top: 0.3rem;
}

.step[aria-selected='true'] {
  background: var(--paper-raised);
  border-left-color: var(--ok);
}

.step[aria-selected='true'] .step__n {
  color: var(--ok);
}

.step[aria-selected='true'] .step__d {
  grid-template-rows: 1fr;
  opacity: 1;
}

.panels {
  position: relative;
}

/* Las cinco pantallas tienen alturas distintas; en dos columnas se
   reserva la mayor para que la página no salte al cambiar de paso.
   Apiladas no hace falta: el salto no descoloca nada. */
@media (min-width: 941px) {
  .panels {
    min-height: 27rem;
  }
}

.panel {
  display: none;
}

.panel.is-active {
  display: block;
  animation: panel-in 0.42s var(--ease) both;
}

@keyframes panel-in {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 940px) {
  .steps {
    grid-template-columns: 1fr;
  }
  .steplist {
    position: static;
  }
}

/* ---------- Maqueta de la aplicación (sintética, fiel) ---------- */

.app {
  background: var(--paper);
  border: 1px solid var(--rule-paper);
  overflow: hidden;
}

.app__chrome {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--navy);
  padding: 0.55rem 0.9rem;
}

.app__chrome img {
  height: 15px;
  width: auto;
}

.app__chrome span {
  font-size: 0.72rem;
  color: #93a6b6;
  margin-left: auto;
  font-variant-numeric: tabular-nums;
}

.app__bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  padding: 0.6rem 0.9rem;
  border-bottom: 1px solid var(--rule-paper);
  background: var(--paper-raised);
}

.pill {
  font-size: 0.72rem;
  padding: 0.28rem 0.6rem;
  border: 1px solid var(--rule-paper);
  border-radius: 2px;
  color: var(--on-paper-2);
  background: var(--paper);
  white-space: nowrap;
}

.pill--active {
  background: var(--on-paper);
  color: var(--paper-raised);
  border-color: var(--on-paper);
  font-weight: 600;
}

.app__body {
  padding: 0.9rem;
}

.app__body--flush {
  padding: 0;
  overflow-x: auto;
  overscroll-behavior-x: contain;
}

.app__foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.7rem 0.9rem;
  border-top: 1px solid var(--rule-paper);
  background: var(--paper-raised);
  font-size: 0.8rem;
  color: var(--on-paper-2);
}

.btn-mock {
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.45rem 0.85rem;
  border-radius: 2px;
  background: var(--ok);
  color: #04150b;
  white-space: nowrap;
}

.btn-mock--quiet {
  background: transparent;
  color: var(--on-paper-2);
  border: 1px solid var(--rule-paper);
}

.state {
  display: inline-flex;
  align-items: center;
  gap: 0.38rem;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.16rem 0.45rem;
  border-radius: 2px;
  white-space: nowrap;
}

.state::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
}

.state--ok {
  background: rgba(49, 160, 89, 0.13);
  color: #0c5334;
}
.state--ok::before {
  background: var(--ok);
}

.state--review {
  background: rgba(154, 111, 0, 0.13);
  color: #745300;
}
.state--review::before {
  background: #9a6f00;
}

.state--ambig {
  background: rgba(106, 63, 150, 0.13);
  color: #533073;
}
.state--ambig::before {
  background: #6a3f96;
}

.state--none {
  background: rgba(116, 131, 143, 0.16);
  color: #4a5966;
}
.state--none::before {
  background: #74838f;
}

.drop {
  border: 1px dashed var(--rule-paper);
  background: var(--paper-raised);
  padding: 1.6rem 1.1rem;
  text-align: center;
  color: var(--on-paper-2);
  font-size: 0.88rem;
}

.drop strong {
  display: block;
  color: var(--on-paper);
  font-family: var(--display);
  font-size: 0.98rem;
  margin-bottom: 0.3rem;
}

.filelist {
  display: grid;
  gap: 1px;
  background: var(--rule-paper);
  border: 1px solid var(--rule-paper);
  margin-top: 0.9rem;
}

.filelist li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  background: var(--paper-raised);
  padding: 0.6rem 0.8rem;
  font-size: 0.82rem;
  color: var(--on-paper);
}

.filelist li span {
  margin-left: auto;
  color: var(--on-paper-3);
  font-size: 0.75rem;
  font-variant-numeric: tabular-nums;
}

.case {
  display: grid;
  gap: 0.9rem;
}

.case__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.case__ref {
  font-family: var(--display);
  font-weight: 700;
  font-size: 1rem;
  color: var(--on-paper);
  font-variant-numeric: tabular-nums;
}

.kv {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(7.5rem, 1fr));
  gap: 1px;
  background: var(--rule-paper);
  border: 1px solid var(--rule-paper);
}

.kv div {
  background: var(--paper-raised);
  padding: 0.55rem 0.7rem;
}

.kv dt {
  font-size: 0.64rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--on-paper-3);
  font-weight: 600;
  margin-bottom: 0.18rem;
}

.kv dd {
  font-size: 0.88rem;
  color: var(--on-paper);
  font-variant-numeric: tabular-nums;
}

.kv dd.bad {
  color: var(--alert);
  font-weight: 600;
}

.note {
  border: 1px solid var(--rule-paper);
  background: var(--paper-raised);
  padding: 0.7rem 0.8rem;
  font-size: 0.85rem;
  color: var(--on-paper-2);
  line-height: 1.5;
}

.note b {
  color: var(--on-paper);
  font-weight: 600;
}

.log {
  display: grid;
  gap: 1px;
  background: var(--rule-paper);
  border: 1px solid var(--rule-paper);
}

.log li {
  display: grid;
  grid-template-columns: 8.5rem 1fr;
  gap: 0.75rem;
  background: var(--paper-raised);
  padding: 0.55rem 0.8rem;
  font-size: 0.82rem;
  color: var(--on-paper);
}

.log time {
  color: var(--on-paper-3);
  font-variant-numeric: tabular-nums;
  font-size: 0.78rem;
}

@media (max-width: 560px) {
  .log li {
    grid-template-columns: 1fr;
    gap: 0.15rem;
  }
}

.synthetic {
  margin-top: 0.85rem;
  font-size: 0.75rem;
  color: var(--on-night-3);
}

.band--paper .synthetic {
  color: var(--on-paper-3);
}

/* ---------- Trazabilidad: el raíl de un movimiento ---------- */

.rail {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(11rem, 1fr);
  gap: 0;
  border-top: 1px solid var(--rule);
  overflow-x: auto;
  overscroll-behavior-x: contain;
  padding-top: 1.75rem;
  position: relative;
}

.beat {
  position: relative;
  padding-right: 1.5rem;
}

.beat::before {
  content: '';
  position: absolute;
  top: -1.75rem;
  left: 0;
  width: 9px;
  height: 9px;
  background: var(--on-night-3);
  transform: translateY(-4px);
}

.beat--ok::before {
  background: var(--ok-bright);
  outline: 4px solid var(--ok-field);
}

.beat--review::before {
  background: var(--review);
  outline: 4px solid var(--review-field);
}

.beat time {
  display: block;
  font-size: 0.72rem;
  color: var(--on-night-3);
  font-variant-numeric: tabular-nums;
  margin-bottom: 0.4rem;
}

.beat h3 {
  font-family: var(--display);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: -0.015em;
  margin-bottom: 0.3rem;
}

.beat p {
  font-size: 0.85rem;
  color: var(--on-night-2);
  line-height: 1.5;
}

/* En pantalla estrecha el raíl gira: una línea de tiempo vertical.
   Un carrusel horizontal escondería justo el final, que es el desenlace. */
@media (max-width: 800px) {
  .rail {
    grid-auto-flow: row;
    grid-auto-columns: auto;
    border-top: 0;
    padding-top: 0;
    overflow-x: visible;
  }
  .beat {
    padding: 0 0 1.6rem 1.5rem;
    border-left: 1px solid var(--rule);
  }
  .beat:last-child {
    border-left-color: transparent;
    padding-bottom: 0;
  }
  .beat::before {
    top: 0.3rem;
    left: -5px;
    transform: none;
  }
}

/* ---------- Beneficios: el libro mayor ---------- */

.ledger {
  border-top: 1px solid var(--rule);
}

.ledger li {
  display: grid;
  grid-template-columns: 4.5rem 1fr;
  gap: clamp(1rem, 3vw, 2.5rem);
  align-items: baseline;
  padding: clamp(1.25rem, 2.2vw, 1.9rem) 0;
  border-bottom: 1px solid var(--rule);
  transition: background 0.3s var(--ease);
}

.ledger li:hover {
  background: rgba(22, 74, 107, 0.1);
}

.ledger .micro {
  font-variant-numeric: tabular-nums;
}

.ledger p {
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(1.15rem, 2.1vw, 1.65rem);
  letter-spacing: -0.025em;
  line-height: 1.25;
  max-width: 38ch;
  text-wrap: balance;
}

.ledger p em {
  font-style: normal;
  color: var(--ok-bright);
}

@media (max-width: 560px) {
  .ledger li {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }
}

/* ---------- Para quién ---------- */

.fit {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(19rem, 1fr));
  gap: 2.75rem clamp(2rem, 4vw, 3.5rem);
}

.fit h3 {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(1.05rem, 1.4vw, 1.2rem);
  letter-spacing: -0.02em;
  color: var(--on-paper);
  padding-bottom: 0.9rem;
  border-bottom: 1px solid var(--rule-paper);
  margin-bottom: 1.1rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.fit ul {
  display: grid;
  gap: 0.9rem;
}

.fit li {
  display: grid;
  grid-template-columns: 1.15rem 1fr;
  gap: 0.7rem;
  font-size: 0.975rem;
  line-height: 1.5;
  color: var(--on-paper-2);
}

.fit li b {
  color: var(--on-paper);
  font-weight: 600;
}

.fit li svg {
  margin-top: 0.28em;
}

.fit__yes svg {
  color: var(--ok);
}

.fit__no svg {
  color: var(--on-paper-3);
}

.ico-ok {
  color: var(--ok-bright);
  flex: 0 0 auto;
}

/* ---------- Principios ---------- */

.principles {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
  gap: 1px;
  background: var(--rule);
  border-block: 1px solid var(--rule);
}

.principle {
  background: var(--night);
  padding: clamp(1.5rem, 2.5vw, 2.25rem);
}

.principle p {
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
  line-height: 1.25;
  margin-bottom: 0.6rem;
  text-wrap: balance;
}

.principle small {
  font-size: 0.875rem;
  color: var(--on-night-2);
  line-height: 1.5;
  display: block;
}

/* ---------- CTA final ---------- */

.close {
  position: relative;
  overflow: hidden;
}

.close__inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: end;
}

.close h2 {
  margin-bottom: 1.25rem;
}

.close__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}

.close__side {
  border-left: 1px solid var(--rule);
  padding-left: clamp(1.25rem, 2.5vw, 2rem);
}

.close__side dl {
  display: grid;
  gap: 1.15rem;
}

.close__side dt {
  font-family: var(--display);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: -0.015em;
  margin-bottom: 0.2rem;
}

.close__side dd {
  font-size: 0.875rem;
  color: var(--on-night-2);
  line-height: 1.5;
}

@media (max-width: 940px) {
  .close__inner {
    grid-template-columns: 1fr;
  }
  .close__side {
    border-left: 0;
    border-top: 1px solid var(--rule);
    padding-left: 0;
    padding-top: 1.75rem;
  }
}

/* ---------- Pie ---------- */

.foot {
  border-top: 1px solid var(--rule);
  padding-block: 2.5rem 3rem;
}

.foot__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.25rem 2rem;
}

.foot img {
  height: 21px;
  width: auto;
  opacity: 0.85;
}

.foot p {
  font-size: 0.82rem;
  color: var(--on-night-3);
}

.foot__links {
  margin-left: auto;
  display: flex;
  gap: 1.25rem;
  font-size: 0.87rem;
}

.foot__links a {
  color: var(--on-night-2);
  text-decoration: none;
}

.foot__links a:hover {
  color: var(--ok-bright);
}

@media (max-width: 620px) {
  .foot__links {
    margin-left: 0;
    width: 100%;
  }
}

/* ---------- Revelado al entrar en pantalla ---------- */

.reveal {
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

@media (prefers-reduced-motion: reduce) {
  .js-listo .reveal:not(.is-revealed) {
    opacity: 1;
    transform: none;
  }
  .ticks i {
    opacity: 1;
    transform: none;
  }
}

/* ---------- Página de demo ---------- */

.form-page {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: start;
}

.form {
  display: grid;
  gap: 1.15rem;
  padding: clamp(1.5rem, 3vw, 2.25rem);
}

.field {
  display: grid;
  gap: 0.4rem;
}

.field label {
  font-size: 0.83rem;
  font-weight: 600;
  color: var(--on-night-2);
  display: flex;
  gap: 0.4rem;
  align-items: baseline;
}

.field label span {
  font-weight: 400;
  color: var(--on-night-3);
  font-size: 0.78rem;
}

.field input,
.field select,
.field textarea {
  background: rgba(4, 18, 28, 0.6);
  border: 1px solid var(--rule-strong);
  border-radius: 3px;
  padding: 0.72rem 0.85rem;
  color: var(--on-night);
  font-size: 0.975rem;
  width: 100%;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.field textarea {
  resize: vertical;
  min-height: 6.5rem;
}

.field input::placeholder,
.field textarea::placeholder {
  color: var(--on-night-3);
}

.field input:hover,
.field select:hover,
.field textarea:hover {
  border-color: rgba(159, 182, 198, 0.5);
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--ok-bright);
  background: rgba(49, 160, 89, 0.07);
}

.field input:user-invalid,
.field textarea:user-invalid {
  border-color: var(--alert);
}

.field__err {
  font-size: 0.8rem;
  color: var(--alert);
  display: none;
}

.field.has-error .field__err {
  display: block;
}

.field.has-error input,
.field.has-error select,
.field.has-error textarea {
  border-color: var(--alert);
}

.duo {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.15rem;
}

@media (max-width: 620px) {
  .duo {
    grid-template-columns: 1fr;
  }
}

.form__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  padding-top: 0.35rem;
}

.form__privacy {
  font-size: 0.8rem;
  color: var(--on-night-3);
  max-width: 30rem;
  line-height: 1.5;
}

.form__what {
  font-size: 0.875rem;
  line-height: 1.55;
  color: var(--on-night-2);
  border-top: 1px solid var(--rule);
  padding-top: 1.15rem;
}

.form__what b {
  color: var(--on-night);
  font-weight: 600;
}

.sent {
  display: none;
  border: 1px solid var(--ok);
  background: var(--ok-field);
  padding: 1.1rem 1.15rem;
  font-size: 0.925rem;
  line-height: 1.55;
}

.sent.is-visible {
  display: block;
}

.sent b {
  display: block;
  font-family: var(--display);
  font-weight: 700;
  margin-bottom: 0.4rem;
}

.sent p {
  color: var(--on-night-2);
  margin-bottom: 0.9rem;
}

.aside dl {
  display: grid;
  gap: 1.35rem;
}

.aside dt {
  font-family: var(--display);
  font-weight: 700;
  font-size: 0.98rem;
  letter-spacing: -0.015em;
  margin-bottom: 0.28rem;
  display: flex;
  gap: 0.6rem;
  align-items: center;
}

.aside dd {
  font-size: 0.9rem;
  color: var(--on-night-2);
  line-height: 1.55;
  padding-left: 1.95rem;
}

.aside + .aside {
  margin-top: 2.25rem;
  padding-top: 2.25rem;
  border-top: 1px solid var(--rule);
}

.aside h3 {
  margin-bottom: 1.25rem;
}

@media (max-width: 940px) {
  .form-page {
    grid-template-columns: 1fr;
  }
}