/* ==========================================================================
   SOMOS CERTEZA — hoja de estilos única
   Identidad según "Certeza · Manual de Identidad v0.1".
   Colores de marca: no modificar sin actualizar el manual.
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. TOKENS
   -------------------------------------------------------------------------- */
:root {
  /* Colores de marca (cerrados en el manual de identidad) */
  --tinta:            #171A21;
  --terracota:        #C1502E;
  --papel:            #F6F1E7;
  --piedra:           #8A8371;
  --terracota-suave:  #E8C4B0;

  /* Neutros derivados — no son colores de marca nuevos, son tintes de los anteriores.
     Existen solo para dar profundidad a superficies e interfaz. */
  --papel-hondo:      #EFE8DA;
  --tinta-superficie: #1E222B;
  --tinta-elevada:    #262B35;
  --linea-clara:      rgba(23, 26, 33, 0.14);
  --linea-oscura:     rgba(246, 241, 231, 0.16);
  --piedra-clara:     #A9A292;

  /* Tipografía */
  --display: "Fraunces", Georgia, "Times New Roman", serif;
  --texto:   "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  --wonk: "SOFT" 0, "WONK" 1, "opsz" 96;

  /* Escala tipográfica fluida */
  --t-hero:  clamp(2.4rem, 1.4rem + 4.2vw, 4.5rem);
  --t-h2:    clamp(1.95rem, 1.15rem + 3.1vw, 3.35rem);
  --t-h3:    clamp(1.12rem, 1.02rem + 0.4vw, 1.3rem);
  --t-cifra: clamp(2.1rem, 1.5rem + 2.4vw, 3.1rem);
  --t-base:  1.0625rem;
  --t-peq:   0.9375rem;
  --t-mini:  0.8125rem;

  /* Ritmo */
  --shell:   1200px;
  --margen:  clamp(1.25rem, 5vw, 3rem);
  --bloque:  clamp(4.5rem, 9vw, 8.5rem);
  --radio:   4px;
  --radio-g: 10px;

  --transicion: 220ms cubic-bezier(.22, .61, .36, 1);
}

/* --------------------------------------------------------------------------
   2. BASE
   -------------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 5.5rem;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--papel);
  color: var(--tinta);
  font-family: var(--texto);
  font-size: var(--t-base);
  line-height: 1.65;
  font-feature-settings: "tnum" 1, "cv05" 1;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

h1, h2, h3 { margin: 0; font-weight: 600; letter-spacing: -0.015em; }
p { margin: 0; }
ul, ol, dl { margin: 0; padding: 0; list-style: none; }
img, svg { max-width: 100%; }

a { color: inherit; text-decoration-color: var(--terracota); text-underline-offset: 3px; }

:focus-visible {
  outline: 2px solid var(--terracota);
  outline-offset: 3px;
  border-radius: 2px;
}

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

.skip-link {
  position: absolute; top: 0; left: 50%;
  transform: translate(-50%, -120%);
  z-index: 999;
  background: var(--terracota); color: var(--papel);
  padding: 0.75rem 1.25rem;
  font-size: var(--t-peq); font-weight: 500;
  border-radius: 0 0 var(--radio) var(--radio);
  transition: transform var(--transicion);
}
.skip-link:focus { transform: translate(-50%, 0); }

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

/* --------------------------------------------------------------------------
   3. TIPOGRAFÍA DE MARCA
   -------------------------------------------------------------------------- */
.eyebrow {
  font-size: var(--t-mini);
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--piedra);
  margin-bottom: 1.1rem;
}
.eyebrow--claro { color: var(--terracota-suave); }

.titular {
  font-family: var(--display);
  font-variation-settings: var(--wonk);
  font-size: var(--t-h2);
  line-height: 1.08;
  max-width: 20ch;
}

/* --------------------------------------------------------------------------
   4. BOTONES
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.7rem 1.15rem;
  font-family: var(--texto);
  font-size: var(--t-peq);
  font-weight: 500;
  line-height: 1.2;
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: var(--radio);
  cursor: pointer;
  transition: background-color var(--transicion), color var(--transicion),
              border-color var(--transicion), transform var(--transicion);
}
.btn--grande { padding: 0.95rem 1.6rem; font-size: 1rem; }
.btn--bloque { width: 100%; }

.btn--acento {
  background: var(--terracota);
  color: var(--papel);
}
.btn--acento:hover { background: #A94326; transform: translateY(-1px); }

.btn--fantasma {
  background: transparent;
  color: var(--papel);
  border-color: rgba(246, 241, 231, 0.35);
}
.btn--fantasma:hover { border-color: var(--papel); background: rgba(246, 241, 231, 0.06); }

/* --------------------------------------------------------------------------
   5. NAVBAR
   -------------------------------------------------------------------------- */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  transition: background-color var(--transicion), box-shadow var(--transicion);
}
.nav__inner {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  min-height: 4.5rem;
}

.marca {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  margin-right: auto;
}
.marca__logo {
  height: 30px;
  width: auto;
  display: block;
}
.marca__texto {
  font-family: var(--display);
  font-variation-settings: "SOFT" 0, "WONK" 0, "opsz" 24;
  font-weight: 600;
  font-size: 1.45rem;
  letter-spacing: -0.01em;
  color: var(--papel);
}

.nav__links { display: none; gap: 1.6rem; }
.nav__links a {
  font-size: var(--t-peq);
  color: rgba(246, 241, 231, 0.78);
  text-decoration: none;
  transition: color var(--transicion);
}
.nav__links a:hover { color: var(--papel); }

.nav__cta { display: none; }

.nav__toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px; height: 44px;
  padding: 0;
  background: transparent;
  border: 1px solid rgba(246, 241, 231, 0.28);
  border-radius: var(--radio);
  cursor: pointer;
}
.nav__toggle-barras { display: grid; gap: 5px; }
.nav__toggle-barras i {
  display: block; width: 18px; height: 1.5px;
  background: var(--papel);
  transition: transform var(--transicion), opacity var(--transicion);
}
.nav__toggle[aria-expanded="true"] .nav__toggle-barras i:first-child { transform: translateY(3.25px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] .nav__toggle-barras i:last-child  { transform: translateY(-3.25px) rotate(-45deg); }

/* Estado: la barra deja de estar sobre el hero oscuro */
.nav.is-pegada { background: var(--tinta); box-shadow: 0 1px 0 var(--linea-oscura); }

.menu-movil {
  background: var(--tinta);
  border-top: 1px solid var(--linea-oscura);
}
.menu-movil nav {
  display: grid;
  padding: 0.5rem var(--margen) 1.5rem;
}
.menu-movil a {
  padding: 0.85rem 0;
  color: rgba(246, 241, 231, 0.85);
  text-decoration: none;
  border-bottom: 1px solid var(--linea-oscura);
}
.menu-movil__cta { margin-top: 1.25rem; border-bottom: 0; color: var(--papel); }

/* --------------------------------------------------------------------------
   6. HERO
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  background: var(--tinta);
  color: var(--papel);
  padding-top: calc(4.5rem + clamp(3rem, 7vw, 6rem));
  padding-bottom: clamp(3.5rem, 8vw, 7rem);
  overflow: hidden;
}
.hero::after {
  /* halo ambiental — la resolución del símbolo, a escala de página */
  content: "";
  position: absolute;
  top: -22%; right: -18%;
  width: 62vw; height: 62vw;
  max-width: 780px; max-height: 780px;
  background: radial-gradient(circle, rgba(193, 80, 46, 0.16) 0%, rgba(193, 80, 46, 0) 68%);
  pointer-events: none;
}
.hero__grid { position: relative; z-index: 1; display: grid; gap: clamp(3rem, 6vw, 4.5rem); }

.hero__titular {
  max-width: 13ch;
  font-family: var(--display);
  font-variation-settings: var(--wonk);
  font-size: var(--t-hero);
  line-height: 1.02;
  letter-spacing: -0.028em;
  margin-bottom: 1.6rem;
}
.hero__titular em {
  display: block;
  font-style: italic;
  color: var(--terracota-suave);
}

.hero__entrada {
  max-width: 46ch;
  color: rgba(246, 241, 231, 0.8);
  font-size: clamp(1.02rem, 0.96rem + 0.3vw, 1.19rem);
  line-height: 1.62;
}

.hero__acciones {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2.25rem;
}
.hero__nota {
  margin-top: 1.5rem;
  font-size: var(--t-mini);
  color: var(--piedra);
  max-width: 42ch;
}

/* Fragmento de informe */
.hero__visual { position: relative; }
.informe {
  margin: 0;
  background: var(--papel);
  color: var(--tinta);
  border-radius: var(--radio-g);
  padding: clamp(1.4rem, 3vw, 2rem);
  box-shadow: 0 24px 60px -30px rgba(0, 0, 0, 0.7);
}
.informe__cabecera {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-wrap: wrap;
  padding-bottom: 1.15rem;
  border-bottom: 1px solid var(--linea-clara);
}
.informe__sello {
  background: var(--terracota-suave);
  color: #7A3319;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.22rem 0.5rem;
  border-radius: 3px;
}
.informe__titulo { font-size: var(--t-mini); color: var(--piedra); }

.informe__cifra {
  display: grid;
  grid-template-columns: auto auto;
  align-items: baseline;
  gap: 0 0.85rem;
  padding: 1.4rem 0 0.4rem;
}
.informe__etiqueta {
  grid-column: 1 / -1;
  font-size: var(--t-mini);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--piedra);
  margin-bottom: 0.35rem;
}
.informe__valor {
  font-family: var(--display);
  font-variation-settings: "SOFT" 0, "WONK" 0, "opsz" 72;
  font-size: var(--t-cifra);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.02em;
}

.chispa { display: block; width: 100%; height: auto; margin: 0.75rem 0 1.35rem; overflow: visible; }
.chispa__linea { stroke: var(--tinta); }
.chispa__halo  { stroke: var(--terracota); opacity: 0.5; }
.chispa__punto { fill: var(--terracota); }

/* --------------------------------------------------------------------------
   7. DISPOSITIVO "LECTURA" — el elemento firma de la marca
   -------------------------------------------------------------------------- */
.lectura { display: grid; gap: 0.55rem; }
.lectura__fila {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.15rem;
  padding-left: 0.9rem;
  border-left: 1px solid var(--linea-clara);
  font-size: var(--t-peq);
  line-height: 1.5;
}
.lectura__etq {
  display: block;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--piedra);
}
.lectura__fila--clave {
  border-left-color: var(--terracota);
  font-weight: 500;
}
.lectura__fila--clave .lectura__etq { color: var(--terracota); }

/* --------------------------------------------------------------------------
   8. TENDENCIAS
   -------------------------------------------------------------------------- */
.tendencia {
  display: inline-flex;
  align-items: center;
  gap: 0.28rem;
  font-size: var(--t-mini);
  font-weight: 500;
  color: var(--piedra);
  white-space: nowrap;
}
.tendencia svg { width: 11px; height: 11px; flex: none; }
.tendencia--baja   { color: var(--terracota); }
.tendencia--alerta { color: var(--terracota); }

/* --------------------------------------------------------------------------
   9. SECCIONES GENERALES
   -------------------------------------------------------------------------- */
.seccion { padding-block: var(--bloque); }
.seccion--hondo  { background: var(--papel-hondo); }
.seccion--oscuro { background: var(--tinta); color: var(--papel); }
.seccion--oscuro .titular { color: var(--papel); }

.seccion__cabecera { margin-bottom: clamp(2.5rem, 5vw, 4rem); }
.seccion__intro {
  max-width: 58ch;
  margin-top: 1.5rem;
  color: #4A4E58;
  font-size: var(--t-peq);
}
.seccion__cierre {
  max-width: 60ch;
  margin-top: clamp(2.5rem, 4vw, 3.5rem);
  padding-top: 1.75rem;
  border-top: 1px solid var(--linea-clara);
  color: #4A4E58;
  font-size: var(--t-peq);
}
.seccion__cierre--dato { color: var(--tinta); }
.seccion__cierre strong { font-weight: 600; }

/* --------------------------------------------------------------------------
   10. PROBLEMA
   -------------------------------------------------------------------------- */
.contraste { display: grid; gap: 0; }
.contraste__par {
  display: grid;
  gap: 0.5rem;
  padding: 1.75rem 0;
  border-top: 1px solid var(--linea-clara);
}
.contraste__par:last-child { border-bottom: 1px solid var(--linea-clara); }
.contraste__sabes {
  color: var(--piedra);
  font-size: var(--t-peq);
}
.contraste__no {
  font-family: var(--display);
  font-variation-settings: "SOFT" 0, "WONK" 0, "opsz" 48;
  font-weight: 600;
  font-size: clamp(1.25rem, 1rem + 1.1vw, 1.85rem);
  line-height: 1.25;
  letter-spacing: -0.015em;
  max-width: 30ch;
}

/* --------------------------------------------------------------------------
   11. VÍA (secuencia datos → decisión)
   -------------------------------------------------------------------------- */
.via { position: relative; }
.via__trazo { display: none; }
.via__linea       { stroke: var(--linea-clara); }
.via__dispersion circle { fill: var(--piedra); opacity: 0.55; }
.via__halo        { stroke: var(--terracota); opacity: 0.45; }
.via__nucleo      { fill: var(--terracota); }

.via__pasos { display: grid; gap: 0; counter-reset: paso; }
.via__pasos li {
  display: grid;
  gap: 0.2rem;
  padding: 1.35rem 0 1.35rem 1.5rem;
  border-top: 1px solid var(--linea-clara);
  position: relative;
}
.via__pasos li::before {
  content: "";
  position: absolute;
  left: 0; top: 1.85rem;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--piedra);
  opacity: 0.6;
}
.via__pasos li:last-child { border-bottom: 1px solid var(--linea-clara); }
.via__pasos-fin::before { background: var(--terracota) !important; opacity: 1 !important; }
.via__pasos span {
  font-family: var(--display);
  font-variation-settings: "SOFT" 0, "WONK" 0, "opsz" 36;
  font-weight: 600;
  font-size: 1.2rem;
}
.via__pasos-fin span { color: var(--terracota); }
.via__pasos em {
  font-style: normal;
  color: var(--piedra);
  font-size: var(--t-peq);
}

/* --------------------------------------------------------------------------
   12. CÓMO FUNCIONA
   -------------------------------------------------------------------------- */
.pasos { display: grid; gap: 0; }
.pasos__item {
  display: grid;
  grid-template-columns: 3.25rem 1fr;
  gap: 0.15rem 1rem;
  padding: 1.6rem 0;
  border-top: 1px solid var(--linea-clara);
}
.pasos__item:last-child { border-bottom: 1px solid var(--linea-clara); }
.pasos__num {
  grid-row: 1 / 3;
  font-family: var(--display);
  font-variation-settings: "SOFT" 0, "WONK" 0, "opsz" 36;
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--terracota);
  padding-top: 0.15rem;
}
.pasos__titulo { font-size: var(--t-h3); }
.pasos__item p { color: #4A4E58; font-size: var(--t-peq); max-width: 56ch; }

/* --------------------------------------------------------------------------
   13. DOMINIOS (qué analizamos)
   -------------------------------------------------------------------------- */
.dominios { display: grid; gap: 0; }
.dominio {
  padding: 1.75rem 0;
  border-top: 1px solid var(--linea-oscura);
}
.dominio:last-child { border-bottom: 1px solid var(--linea-oscura); }
.dominio h3 {
  font-family: var(--display);
  font-variation-settings: "SOFT" 0, "WONK" 0, "opsz" 36;
  font-size: 1.35rem;
  margin-bottom: 0.4rem;
}
.dominio p {
  color: rgba(246, 241, 231, 0.68);
  font-size: var(--t-peq);
  max-width: 40ch;
}

/* --------------------------------------------------------------------------
   14. DEMO
   -------------------------------------------------------------------------- */
.demo {
  background: var(--papel);
  border: 1px solid var(--linea-clara);
  border-radius: var(--radio-g);
  overflow: hidden;
}
.demo__cabecera {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-wrap: wrap;
  padding: 1rem clamp(1.15rem, 3vw, 2rem);
  background: var(--tinta);
  color: var(--papel);
}
.demo__sello {
  background: var(--terracota);
  color: var(--papel);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.22rem 0.5rem;
  border-radius: 3px;
}
.demo__negocio { font-size: var(--t-mini); color: rgba(246, 241, 231, 0.7); }

.kpis {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-bottom: 1px solid var(--linea-clara);
}
.kpi {
  display: grid;
  gap: 0.3rem;
  padding: 1.25rem clamp(1.15rem, 3vw, 2rem);
  border-top: 1px solid var(--linea-clara);
}
.kpi:nth-child(odd) { border-right: 1px solid var(--linea-clara); }
.kpi__etq {
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--piedra);
}
.kpi__valor {
  font-family: var(--display);
  font-variation-settings: "SOFT" 0, "WONK" 0, "opsz" 60;
  font-size: clamp(1.4rem, 1.1rem + 1.2vw, 1.85rem);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.02em;
}
.kpi--foco { background: rgba(232, 196, 176, 0.28); }
.kpi--foco .kpi__valor { color: var(--terracota); }

.demo__cuerpo { display: grid; gap: 0; }

.grafico { margin: 0; padding: clamp(1.35rem, 3vw, 2rem); }
.grafico__titulo {
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--piedra);
  margin-bottom: 1rem;
}
.grafico__svg { display: block; width: 100%; height: auto; }
.grafico__rejilla line { stroke: var(--linea-clara); stroke-width: 1; }
.grafico__eje, .grafico__meses text {
  font-family: var(--texto);
  font-size: 11px;
  fill: var(--piedra);
}
.grafico__meses text { text-anchor: middle; }
.grafico__linea { stroke: var(--tinta); }
.grafico__puntos circle { fill: var(--tinta); }
.grafico__halo  { stroke: var(--terracota); opacity: 0.5; }
.grafico__final { fill: var(--terracota); }
.grafico__pie {
  margin-top: 0.9rem;
  font-size: var(--t-mini);
  color: var(--piedra);
}

.analisis {
  padding: clamp(1.35rem, 3vw, 2rem);
  border-top: 1px solid var(--linea-clara);
  background: var(--papel-hondo);
}
.analisis__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.5rem;
}
.analisis__tab {
  font-family: var(--texto);
  font-size: var(--t-mini);
  font-weight: 500;
  color: var(--piedra);
  background: transparent;
  border: 1px solid var(--linea-clara);
  border-radius: 999px;
  padding: 0.45rem 0.9rem;
  cursor: pointer;
  transition: background-color var(--transicion), color var(--transicion), border-color var(--transicion);
}
.analisis__tab:hover { color: var(--tinta); border-color: var(--piedra); }
.analisis__tab[aria-selected="true"] {
  background: var(--tinta);
  border-color: var(--tinta);
  color: var(--papel);
}
.analisis__panel { animation: aparecer 320ms ease both; }
.lectura--panel { gap: 1rem; }
.lectura--panel .lectura__fila { font-size: 1rem; }

.demo__aviso {
  padding: 0.9rem clamp(1.15rem, 3vw, 2rem);
  border-top: 1px solid var(--linea-clara);
  font-size: var(--t-mini);
  color: var(--piedra);
}

@keyframes aparecer {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: none; }
}

/* --------------------------------------------------------------------------
   15. ENTREGABLES
   -------------------------------------------------------------------------- */
.entregables { display: grid; gap: 0; }
.entregable {
  padding: 1.65rem 0;
  border-top: 1px solid var(--linea-clara);
}
.entregable:last-child { border-bottom: 1px solid var(--linea-clara); }
.entregable h3 {
  font-family: var(--display);
  font-variation-settings: "SOFT" 0, "WONK" 0, "opsz" 36;
  font-size: 1.3rem;
  margin-bottom: 0.35rem;
}
.entregable p { color: #4A4E58; font-size: var(--t-peq); max-width: 44ch; }

/* --------------------------------------------------------------------------
   16. DIFERENCIACIÓN
   -------------------------------------------------------------------------- */
.frente { display: grid; gap: 0; }
.frente__fila {
  display: grid;
  gap: 0.35rem;
  padding: 1.6rem 0;
  border-top: 1px solid var(--linea-clara);
}
.frente__fila:last-child { border-bottom: 1px solid var(--linea-clara); }
.frente dt {
  font-size: var(--t-mini);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--piedra);
}
.frente dd {
  margin: 0;
  font-family: var(--display);
  font-variation-settings: "SOFT" 0, "WONK" 0, "opsz" 48;
  font-weight: 600;
  font-size: clamp(1.15rem, 0.98rem + 0.75vw, 1.55rem);
  line-height: 1.3;
  letter-spacing: -0.015em;
  max-width: 34ch;
}

/* --------------------------------------------------------------------------
   17. ENCAJE (para quién)
   -------------------------------------------------------------------------- */
.encaje { display: grid; gap: 2.5rem; }
.encaje__col { padding-top: 1.5rem; border-top: 2px solid var(--linea-clara); }
.encaje__col--si { border-top-color: var(--terracota); }
.encaje__titulo {
  font-family: var(--display);
  font-variation-settings: "SOFT" 0, "WONK" 0, "opsz" 36;
  font-size: 1.3rem;
  margin-bottom: 1.1rem;
}
.encaje ul { display: grid; gap: 0.85rem; }
.encaje li {
  position: relative;
  padding-left: 1.1rem;
  font-size: var(--t-peq);
  line-height: 1.55;
}
.encaje li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.62em;
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--terracota);
}
.encaje__col--no li::before { background: var(--piedra); }
.encaje__col--no li { color: #4A4E58; }
.encaje__nota {
  margin-top: 1.25rem;
  font-size: var(--t-mini);
  color: var(--piedra);
}

/* --------------------------------------------------------------------------
   18. CIERRE + FORMULARIO
   -------------------------------------------------------------------------- */
.cierre {
  background: var(--tinta);
  color: var(--papel);
  padding-block: var(--bloque);
}
.cierre__grid { display: grid; gap: clamp(2.5rem, 5vw, 4.5rem); }
.titular--cierre { color: var(--papel); max-width: 16ch; }
.cierre__entrada {
  margin-top: 1.5rem;
  max-width: 44ch;
  color: rgba(246, 241, 231, 0.78);
}
.cierre__confidencial {
  margin-top: 1.75rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--linea-oscura);
  max-width: 46ch;
  font-size: var(--t-mini);
  color: var(--piedra);
}

.formulario {
  display: grid;
  gap: 1.1rem;
  background: var(--tinta-superficie);
  border: 1px solid var(--linea-oscura);
  border-radius: var(--radio-g);
  padding: clamp(1.4rem, 3vw, 2.15rem);
}
.campo { display: grid; gap: 0.4rem; }
.campo label {
  font-size: var(--t-mini);
  font-weight: 500;
  letter-spacing: 0.06em;
  color: rgba(246, 241, 231, 0.8);
}
.campo input,
.campo select,
.campo textarea {
  font-family: var(--texto);
  font-size: 1rem;
  color: var(--papel);
  background: var(--tinta-elevada);
  border: 1px solid var(--linea-oscura);
  border-radius: var(--radio);
  padding: 0.7rem 0.8rem;
  width: 100%;
  transition: border-color var(--transicion);
}
.campo textarea { resize: vertical; min-height: 6.5rem; }
.campo input::placeholder,
.campo textarea::placeholder { color: var(--piedra); }
.campo input:hover,
.campo select:hover,
.campo textarea:hover { border-color: rgba(246, 241, 231, 0.3); }
.campo input:focus-visible,
.campo select:focus-visible,
.campo textarea:focus-visible { border-color: var(--terracota); }
.campo select { appearance: none; background-image: none; }
.campo [aria-invalid="true"] { border-color: var(--terracota); }

.formulario__nota {
  font-size: var(--t-mini);
  line-height: 1.55;
  color: var(--piedra);
}
.formulario__nota a { color: var(--terracota-suave); }
.formulario__nota--ok { color: var(--terracota-suave); }

/* --------------------------------------------------------------------------
   19. PIE
   -------------------------------------------------------------------------- */
.pie {
  background: var(--tinta);
  color: var(--papel);
  border-top: 1px solid var(--linea-oscura);
  padding-block: clamp(2.5rem, 5vw, 3.5rem);
}
.pie__grid { display: grid; gap: 2.25rem; }
.marca--pie { margin-right: 0; }
.marca--pie .marca__logo { height: 34px; }
.pie__tagline {
  margin-top: 0.75rem;
  font-size: var(--t-mini);
  color: var(--piedra);
  font-style: italic;
}
.pie__nav { display: grid; gap: 0.6rem; }
.pie__nav a {
  font-size: var(--t-peq);
  color: rgba(246, 241, 231, 0.7);
  text-decoration: none;
}
.pie__nav a:hover { color: var(--papel); }
.pie__email {
  font-size: var(--t-peq);
  color: var(--terracota-suave);
  text-decoration: none;
}
.pie__email:hover { text-decoration: underline; }
.pie__legal {
  margin-top: 0.75rem;
  font-size: var(--t-mini);
  color: var(--piedra);
}

/* --------------------------------------------------------------------------
   20. APARICIÓN AL HACER SCROLL
   -------------------------------------------------------------------------- */
/* Sin JS no se oculta nada: el contenido siempre se ve. */
.js [data-revelar] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 620ms ease, transform 620ms cubic-bezier(.22, .61, .36, 1);
}
.js [data-revelar].es-visible { opacity: 1; transform: none; }

/* Dibujado de líneas de gráfico */
.js [data-dibujar] { stroke-dasharray: var(--largo, 1000); stroke-dashoffset: var(--largo, 1000); }
.js [data-dibujar].es-visible {
  stroke-dashoffset: 0;
  transition: stroke-dashoffset 1400ms cubic-bezier(.33, .8, .35, 1);
}

/* --------------------------------------------------------------------------
   21. RESPONSIVE
   -------------------------------------------------------------------------- */
@media (min-width: 640px) {
  .kpis { grid-template-columns: repeat(4, 1fr); }
  .kpi:nth-child(odd) { border-right: 0; }
  .kpi + .kpi { border-left: 1px solid var(--linea-clara); }
  .encaje { grid-template-columns: 1fr 1fr; gap: 3rem; }
  .pie__grid { grid-template-columns: 1fr auto; align-items: start; }
  .pie__contacto { grid-column: 1 / -1; padding-top: 1.5rem; border-top: 1px solid var(--linea-oscura); }
}

@media (min-width: 860px) {
  .contraste { grid-template-columns: repeat(3, 1fr); gap: 0 2.5rem; }
  .contraste__par { border-top: 1px solid var(--linea-clara); border-bottom: 0 !important; align-content: start; }
  .dominios { grid-template-columns: repeat(2, 1fr); gap: 0 3rem; }
  .dominio:nth-last-child(-n+2) { border-bottom: 1px solid var(--linea-oscura); }
  .entregables { grid-template-columns: repeat(2, 1fr); gap: 0 3rem; }
  .entregable:nth-last-child(-n+2) { border-bottom: 1px solid var(--linea-clara); }
  .frente { grid-template-columns: repeat(2, 1fr); gap: 0 3rem; }
  .frente__fila:nth-last-child(-n+2) { border-bottom: 1px solid var(--linea-clara); }
  .pasos { grid-template-columns: repeat(2, 1fr); gap: 0 3rem; }
  .demo__cuerpo { grid-template-columns: 1.15fr 1fr; }
  .analisis { border-top: 0; border-left: 1px solid var(--linea-clara); }

  .via__trazo { display: block; width: 100%; height: 120px; margin-bottom: 0.5rem; }
  .via__pasos { grid-template-columns: repeat(5, 1fr); gap: 0 1.25rem; }
  .via__pasos li { border-bottom: 0 !important; padding-left: 0; padding-top: 1.1rem; }
  .via__pasos li::before { display: none; }
}

@media (min-width: 980px) {
  .nav__links, .nav__cta { display: inline-flex; }
  .nav__toggle { display: none; }
  .menu-movil { display: none !important; }

  .marca__logo { height: 36px; }

  .hero__grid { grid-template-columns: 1.08fr 0.92fr; align-items: center; gap: 4rem; }
  .cierre__grid { grid-template-columns: 1fr 1fr; align-items: start; gap: 5rem; }
  .titular { max-width: 24ch; }
}

@media (min-width: 1100px) {
  .lectura__fila {
    grid-template-columns: 7.5rem 1fr;
    gap: 0 0.75rem;
    align-items: baseline;
  }
  .lectura__etq { padding-top: 0.15rem; }
}

/* --------------------------------------------------------------------------
   22. PREFERENCIAS DEL USUARIO
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .js [data-revelar] { opacity: 1; transform: none; }
  .js [data-dibujar] { stroke-dasharray: none; stroke-dashoffset: 0; }
}

/* --------------------------------------------------------------------------
   23. PÁGINAS LEGALES
   -------------------------------------------------------------------------- */
.legal {
  padding-block: clamp(6rem, 10vw, 8rem) var(--bloque);
}
.legal__shell {
  width: 100%;
  max-width: 780px;
  margin-inline: auto;
  padding-inline: var(--margen);
}
.legal__volver {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: var(--t-mini);
  color: var(--piedra);
  text-decoration: none;
  margin-bottom: 2rem;
}
.legal__volver:hover { color: var(--tinta); }
.legal__titulo {
  font-family: var(--display);
  font-variation-settings: var(--wonk);
  font-size: clamp(2rem, 1.5rem + 2vw, 2.75rem);
  line-height: 1.08;
  margin-bottom: 0.75rem;
}
.legal__fecha {
  font-size: var(--t-mini);
  color: var(--piedra);
  margin-bottom: 3rem;
}
.legal__cuerpo { display: grid; gap: 2.25rem; }
.legal__cuerpo h2 {
  font-family: var(--display);
  font-variation-settings: "SOFT" 0, "WONK" 0, "opsz" 36;
  font-size: 1.35rem;
  margin-bottom: 0.85rem;
}
.legal__cuerpo p { color: #34363f; font-size: var(--t-peq); margin-bottom: 0.85rem; }
.legal__cuerpo p:last-child { margin-bottom: 0; }
.legal__cuerpo ul { display: grid; gap: 0.5rem; margin-top: 0.5rem; }
.legal__cuerpo li {
  position: relative;
  padding-left: 1.1rem;
  color: #34363f;
  font-size: var(--t-peq);
  line-height: 1.55;
}
.legal__cuerpo li::before {
  content: "";
  position: absolute; left: 0; top: 0.6em;
  width: 5px; height: 5px; border-radius: 50%;
  background: var(--terracota);
}
.legal__cuerpo a { color: var(--terracota); }
.legal__aviso {
  background: var(--terracota-suave);
  border-left: 3px solid var(--terracota);
  border-radius: 0 var(--radio) var(--radio) 0;
  padding: 1rem 1.25rem;
  font-size: var(--t-peq);
  color: #5A2914;
  margin-bottom: 2.5rem;
}
.legal__completar {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  background: var(--terracota);
  color: var(--papel);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.12rem 0.45rem;
  border-radius: 3px;
  white-space: nowrap;
}
.pie__nav a.pie__nav--legal { color: rgba(246, 241, 231, 0.55); font-size: var(--t-mini); }

@media print {
  .nav, .menu-movil, .hero::after { display: none !important; }
  body { background: #fff; color: #000; }
}