/* ============================================================
   Miztel — Landing principal (raíz del dominio) · v3 reducida
   Conexión emocional, no venta directa. Minimalista, editorial,
   animaciones suaves. Mobile-first, sin frameworks.
   Paleta oficial: #0C4B59 #0E8388 #A4E4DE #A97244 #FEE2B0 #FFFBF5
   ============================================================ */

:root {
  /* Paleta */
  --color-bg: #FFFBF5;
  --color-primario: #0C4B59;
  --color-acento: #0E8388;
  --color-acento-suave: #A4E4DE;
  --color-tierra: #A97244;
  --color-crema: #FEE2B0;
  --color-tinta: #0a323c;
  --color-fondo-calido: #FBF3E6;

  /* Tipografía */
  --font-sans: "Poppins", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-serif: "Fraunces", Georgia, serif;

  /* Movimiento */
  --ease-espacial: cubic-bezier(.22, 1, .36, 1);
  --dur-base: .5s;

  /* Layout */
  --ancho-max: 1120px;
  --sp-1: .5rem; --sp-2: 1rem; --sp-3: 1.5rem;
  --sp-4: 2rem;  --sp-5: 3rem; --sp-6: 4.5rem; --sp-7: 7rem;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body.landing {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-primario);
  font-family: var(--font-sans);
  font-weight: 400;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.landing img { max-width: 100%; display: block; }

.landing .contenedor {
  width: 100%;
  max-width: var(--ancho-max);
  margin: 0 auto;
  padding: 0 var(--sp-3);
}
.landing .contenedor--texto  { max-width: 720px; text-align: center; }
.landing .contenedor--camino { max-width: 880px; }

.landing section {
  padding: clamp(5rem, 13vh, 9rem) 0;
  scroll-margin-top: 5rem;
}

.landing h1, .landing h2, .landing h3 { margin: 0; }
.landing p { margin: 0; }

.serif {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  letter-spacing: 0;
}

/* ------------------------------------------------------------
   Elementos tipográficos compartidos
   ------------------------------------------------------------ */
.landing-eyebrow {
  font-size: .78rem;
  font-weight: 500;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--color-acento);
  margin-bottom: var(--sp-3);
}
.landing-eyebrow--claro { color: var(--color-acento-suave); }
.landing-eyebrow--crema { color: var(--color-crema); }

.landing-titulo {
  font-size: clamp(1.9rem, 4.6vw, 3.1rem);
  font-weight: 500;
  letter-spacing: -.02em;
  line-height: 1.18;
  margin-bottom: var(--sp-4);
}
.landing-titulo--centro { text-align: center; }

.landing-texto {
  font-size: 1.08rem;
  font-weight: 300;
}
.landing-texto + .landing-texto { margin-top: var(--sp-2); }

.texto-degradado {
  background: linear-gradient(115deg, var(--color-acento-suave) 0%, var(--color-crema) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ------------------------------------------------------------
   Accesibilidad: saltar al contenido
   ------------------------------------------------------------ */
.ld-saltar {
  position: absolute;
  left: var(--sp-2);
  top: -100px;
  z-index: 100;
  padding: .6rem 1.1rem;
  background: var(--color-primario);
  color: var(--color-bg);
  border-radius: 8px;
  text-decoration: none;
  font-size: .9rem;
  transition: top .3s var(--ease-espacial);
}
.ld-saltar:focus-visible { top: var(--sp-2); }

/* ------------------------------------------------------------
   Botones
   ------------------------------------------------------------ */
.landing-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .6rem;
  padding: 1rem 2.1rem;
  border-radius: 100px;
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: .01em;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: transform var(--dur-base) var(--ease-espacial),
              box-shadow var(--dur-base) var(--ease-espacial),
              background-color var(--dur-base) var(--ease-espacial),
              color var(--dur-base) var(--ease-espacial),
              border-color var(--dur-base) var(--ease-espacial);
}
.landing-btn:hover { transform: translateY(-2px); }
.landing-btn:active { transform: translateY(0); }

.landing-btn__flecha { transition: transform var(--dur-base) var(--ease-espacial); }
.landing-btn:hover .landing-btn__flecha { transform: translateX(4px); }

.landing-btn--primario {
  background: var(--color-acento);
  color: var(--color-bg);
  box-shadow: 0 10px 32px rgba(14, 131, 136, .30);
}
.landing-btn--primario:hover {
  background: #0b6f73;
  box-shadow: 0 16px 44px rgba(14, 131, 136, .40);
}

.landing-btn--fantasma {
  background: transparent;
  color: inherit;
  border: 1.5px solid rgba(255, 251, 245, .45);
}
.landing-btn--fantasma:hover {
  border-color: rgba(255, 251, 245, .9);
  background: rgba(255, 251, 245, .07);
}

.landing-btn--linea {
  background: transparent;
  color: var(--color-primario);
  border: 1.5px solid rgba(12, 75, 89, .35);
}
.landing-btn--linea:hover {
  border-color: var(--color-primario);
  background: rgba(12, 75, 89, .05);
}

.landing-btn--chico { padding: .6rem 1.3rem; font-size: .88rem; }
.landing-btn--grande { padding: 1.15rem 2.6rem; font-size: 1.08rem; }

/* Botón con pulso exterior suave */
.landing-btn--pulso {
  position: relative;
  animation: pulso-boton 2.6s ease-in-out infinite;
}
@keyframes pulso-boton {
  0%, 100% { box-shadow: 0 10px 32px rgba(14, 131, 136, .30), 0 0 0 0 rgba(14, 131, 136, .25); }
  50% { box-shadow: 0 14px 40px rgba(14, 131, 136, .38), 0 0 0 10px rgba(14, 131, 136, 0); }
}

/* ------------------------------------------------------------
   Revelado al hacer scroll (con desenfoque sutil)
   ------------------------------------------------------------ */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  filter: blur(8px);
  transition: opacity .9s var(--ease-espacial),
              transform .9s var(--ease-espacial),
              filter .9s var(--ease-espacial);
  will-change: opacity, transform, filter;
}
.reveal.is-visible { opacity: 1; transform: none; filter: blur(0); }
.reveal-lento { transition-duration: 1.3s; }

/* ------------------------------------------------------------
   Header fijo
   ------------------------------------------------------------ */
.ld-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 60;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3);
  padding: 1.1rem clamp(1.25rem, 4vw, 3rem);
  color: var(--color-bg);
  transition: background-color .45s var(--ease-espacial),
              box-shadow .45s var(--ease-espacial),
              color .45s var(--ease-espacial);
}
.ld-header.is-solid {
  background: rgba(255, 251, 245, .85);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  color: var(--color-primario);
  box-shadow: 0 1px 0 rgba(12, 75, 89, .08);
}

.ld-header__marca {
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: .28em;
  color: inherit;
  text-decoration: none;
}

.ld-header__nav {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
}
.ld-header__nav > a:not(.landing-btn) {
  color: inherit;
  text-decoration: none;
  font-size: .92rem;
  font-weight: 400;
  opacity: .82;
  transition: opacity .3s;
}
.ld-header__nav > a:not(.landing-btn):hover { opacity: 1; }

@media (max-width: 719px) {
  .ld-header__nav > a:not(.landing-btn) { display: none; }
}

/* ------------------------------------------------------------
   Hero
   ------------------------------------------------------------ */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: var(--sp-6) 0;
  background: radial-gradient(130% 110% at 50% -10%, #134652 0%, #0C4B59 48%, #06262e 100%);
  color: var(--color-bg);
}

.hero__red {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: .9;
}

.hero__veladura {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(180deg,
      rgba(6, 38, 46, .25) 0%,
      rgba(6, 38, 46, 0) 30%,
      rgba(6, 38, 46, 0) 60%,
      rgba(6, 38, 46, .6) 100%);
}

.hero__contenido {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 860px;
  margin: 0 auto;
  padding: 0 var(--sp-3);
}

.hero__headline {
  font-size: clamp(2.1rem, 6vw, 4rem);
  font-weight: 500;
  letter-spacing: -.025em;
  line-height: 1.12;
  margin-bottom: var(--sp-4);
}

.hero__acciones {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--sp-3) var(--sp-4);
  margin-bottom: var(--sp-4);
}

.hero__scroll {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  background: none;
  border: none;
  padding: 0;
  color: var(--color-acento-suave);
  font-family: var(--font-sans);
  font-size: .95rem;
  font-weight: 500;
  cursor: pointer;
  opacity: .9;
  transition: opacity .3s;
}
.hero__scroll::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -4px;
  height: 1px;
  background: var(--color-acento-suave);
  transform: scaleX(0);
  transition: transform .35s var(--ease-espacial);
}
.hero__scroll:hover { opacity: 1; }
.hero__scroll:hover::after { transform: scaleX(1); }
.hero__scroll-flecha {
  display: inline-block;
  animation: hero-flecha 2.4s ease-in-out infinite;
}
@keyframes hero-flecha {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(5px); }
}

.hero__micro {
  margin-top: var(--sp-5);
  font-size: .82rem;
  font-weight: 300;
  letter-spacing: .04em;
  color: rgba(255, 251, 245, .55);
}
.hero__micro span + span::before {
  content: "·";
  margin: 0 .65rem;
  color: rgba(164, 228, 222, .5);
}

.hero__indicador {
  position: absolute;
  left: 50%;
  bottom: 2.2rem;
  z-index: 2;
  width: 1px;
  height: 56px;
  background: rgba(255, 251, 245, .18);
  overflow: hidden;
}
.hero__indicador span {
  display: block;
  width: 100%;
  height: 20px;
  background: var(--color-acento-suave);
  animation: hero-indicador 2.6s var(--ease-espacial) infinite;
}
@keyframes hero-indicador {
  0%   { transform: translateY(-22px); opacity: 0; }
  35%  { opacity: 1; }
  100% { transform: translateY(58px); opacity: 0; }
}

/* ------------------------------------------------------------
   Bloque: El problema
   ------------------------------------------------------------ */
.problema {
  background: var(--color-bg);
}
.problema__loop {
  display: flex;
  flex-direction: column;
  gap: .35rem;
  font-size: clamp(1.05rem, 2.2vw, 1.3rem);
  font-weight: 300;
  margin-top: var(--sp-5);
}
.problema__loop > span { display: block; }
.problema__loop > span:nth-child(1) { opacity: .95; }
.problema__loop > span:nth-child(2) { opacity: .78; }
.problema__loop > span:nth-child(3) { opacity: .6; }
.problema__loop > span:nth-child(4) { opacity: .45; }

.problema__eco {
  margin-top: var(--sp-5);
  font-size: 1.02rem;
  font-weight: 300;
  color: rgba(12, 75, 89, .62);
}
.problema__eco--tenue { color: rgba(12, 75, 89, .45); margin-top: var(--sp-2); }

.problema__pregunta {
  margin-top: var(--sp-6);
  font-size: clamp(1.5rem, 3.4vw, 2.2rem);
  line-height: 1.35;
  color: var(--color-acento);
}

/* ------------------------------------------------------------
   Bloque: La filosofía
   ------------------------------------------------------------ */
.filosofia {
  position: relative;
  color: var(--color-bg);
  background: linear-gradient(165deg, #0e4a58 0%, #0C4B59 45%, #072c35 100%);
  overflow: hidden;
}
.filosofia__aurora {
  position: absolute;
  inset: -20%;
  background:
    radial-gradient(45% 55% at 78% 18%, rgba(164, 228, 222, .16), transparent 70%),
    radial-gradient(40% 50% at 12% 82%, rgba(254, 226, 176, .12), transparent 70%),
    radial-gradient(35% 45% at 55% 55%, rgba(14, 131, 136, .14), transparent 70%);
  animation: aurora 26s ease-in-out infinite alternate;
  will-change: transform;
}
@keyframes aurora {
  from { transform: translate3d(-2%, -1%, 0) scale(1); }
  to   { transform: translate3d(2%, 2%, 0) scale(1.06); }
}

.filosofia .contenedor { position: relative; z-index: 1; }
.filosofia .landing-texto { color: rgba(255, 251, 245, .8); }

/* En móvil: contenido continuo sin huecos.
   En desktop: bloque textual a la izquierda y foto 55% a la derecha. */
.filosofia__grid { display: block; }
.filosofia__texto .landing-titulo { margin-bottom: var(--sp-3); }
@media (min-width: 900px) {
  .filosofia__texto {
    display: grid;
    grid-template-columns: 45fr 55fr;
    column-gap: var(--sp-6);
    row-gap: var(--sp-3);
    align-items: start;
  }
  .filosofia__texto > * { grid-column: 1; }
  .filosofia__texto .filosofia__media {
    grid-column: 2;
    grid-row: 1 / span 10;
    margin: 0;
  }
}

.filosofia__frase {
  margin-top: var(--sp-5);
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: .4rem var(--sp-3);
  font-size: clamp(1.3rem, 2.9vw, 2rem);
  line-height: 1.3;
  color: var(--color-crema);
}
.filosofia__frase > span:first-child { text-align: left; }
.filosofia__frase > span:last-child { text-align: right; }

.filosofia__media {
  position: relative;
  height: clamp(320px, 58vh, 620px);
  border-radius: 22px;
  overflow: hidden;
  margin: var(--sp-3) 0;
}
.filosofia__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center bottom;
}

@media (max-width: 899px) {
  .filosofia__media {
    height: auto;
    margin: var(--sp-2) 0;
  }
  .filosofia__img {
    height: auto;
    object-fit: contain;
    object-position: center bottom;
  }
}

/* ------------------------------------------------------------
   Bloque: El Camino — horizontal con progreso animado
   ------------------------------------------------------------ */
.camino { background: var(--color-bg); }

.camino-horizontal {
  position: relative;
  margin: var(--sp-6) 0;
  padding: 1.5rem 0;
}

.camino-horizontal__fondo,
.camino-horizontal__progreso {
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 3px;
  border-radius: 3px;
  transform: translateY(-50%);
}
.camino-horizontal__fondo { background: rgba(12, 75, 89, .10); }
.camino-horizontal__progreso {
  background: linear-gradient(90deg, var(--color-acento-suave), var(--color-acento));
  width: 0%;
  animation: camino-progreso 6s linear infinite;
  box-shadow: 0 0 14px rgba(14, 131, 136, .25);
}
/* Punto luminoso que viaja por la línea */
.camino-horizontal__progreso::after {
  content: "";
  position: absolute;
  right: 0;
  top: 50%;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--color-acento);
  transform: translate(50%, -50%);
  box-shadow: 0 0 12px rgba(14, 131, 136, .55),
              0 0 28px rgba(14, 131, 136, .28);
}
@keyframes camino-progreso {
  0%   { width: 0%; }
  100% { width: 100%; }
}

.camino-horizontal__nodos {
  position: relative;
  z-index: 1;
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: .6rem;
}
@media (min-width: 640px) {
  .camino-horizontal__nodos {
    flex-wrap: nowrap;
    justify-content: space-between;
    gap: .5rem;
  }
}

.camino-horizontal__paso {
  flex: 0 0 auto;
  text-align: center;
  color: rgba(12, 75, 89, .35);
  font-weight: 500;
  font-size: clamp(.82rem, 2vw, 1.05rem);
  letter-spacing: .02em;
  padding: .5rem .7rem;
  border-radius: 100px;
  background: var(--color-bg);
  border: 1.5px solid rgba(12, 75, 89, .12);
  transition: color .4s ease, transform .4s var(--ease-espacial),
              border-color .4s ease, box-shadow .4s ease;
}
.camino-horizontal__contenido {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
}
.camino-horizontal__icono {
  font-size: 1.05em;
  line-height: 1;
}
.camino-horizontal__texto {
  font-size: .94em;
  line-height: 1;
}

/* Activación sincronizada con la animación de 6s */
.camino-horizontal__paso:nth-child(1) { animation: paso-activo 6s linear infinite; }
.camino-horizontal__paso:nth-child(2) { animation: paso-activo 6s linear infinite 1.2s; }
.camino-horizontal__paso:nth-child(3) { animation: paso-activo 6s linear infinite 2.4s; }
.camino-horizontal__paso:nth-child(4) { animation: paso-activo 6s linear infinite 3.6s; }
.camino-horizontal__paso:nth-child(5) { animation: paso-activo 6s linear infinite 4.8s; }
@keyframes paso-activo {
  0%, 14% {
    color: var(--color-acento);
    transform: scale(1.06);
    border-color: var(--color-acento);
    box-shadow: 0 0 0 7px rgba(14, 131, 136, .08), 0 6px 18px rgba(14, 131, 136, .14);
  }
  15%, 100% {
    color: rgba(12, 75, 89, .35);
    transform: scale(1);
    border-color: rgba(12, 75, 89, .12);
    box-shadow: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .camino-horizontal__progreso,
  .camino-horizontal__paso { animation: none; }
  .camino-horizontal__progreso { width: 100%; }
  .camino-horizontal__paso { color: var(--color-acento); border-color: var(--color-acento); }
}

/* En pantallas pequeñas se mantiene horizontal en 2 filas */
@media (max-width: 639px) {
  .camino-horizontal { padding: 2.2rem 0 1.2rem; }
  .camino-horizontal__nodos {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: .75rem .65rem;
  }
  .camino-horizontal__paso:nth-child(1) { grid-column: 1 / 3; }
  .camino-horizontal__paso:nth-child(2) { grid-column: 3 / 5; }
  .camino-horizontal__paso:nth-child(3) { grid-column: 5 / 7; }
  .camino-horizontal__paso:nth-child(4) { grid-column: 2 / 4; }
  .camino-horizontal__paso:nth-child(5) { grid-column: 4 / 6; }
  /* En móvil colocamos la línea un poco por arriba de los nodos para que
     la animación se aprecie limpia en el layout de 2 filas. */
  .camino-horizontal__fondo,
  .camino-horizontal__progreso { top: 14%; }
  .camino-horizontal__paso { justify-self: stretch; }
  .camino-horizontal__contenido {
    justify-content: center;
    width: 100%;
  }
}

.camino__textos {
  margin-top: var(--sp-5);
  text-align: center;
}
.camino__frase {
  font-size: clamp(1.3rem, 3vw, 1.8rem);
  line-height: 1.45;
  color: var(--color-primario);
  margin-bottom: var(--sp-3);
}
.camino__frase:last-child { margin-bottom: 0; }
.camino__frase:nth-child(2) {
  color: var(--color-acento);
  font-weight: 500;
}
.camino__bienvenida {
  margin-top: var(--sp-4);
  text-align: center;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  color: var(--color-tierra);
}
.camino__acciones {
  margin-top: var(--sp-5);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--sp-3);
}

/* Huellas de gato discretas */
.huellas {
  position: relative;
  height: 120px;
  max-width: 520px;
  margin: var(--sp-5) auto 0;
}
.huella {
  position: absolute;
  width: 28px;
  height: 28px;
  opacity: 0;
  will-change: opacity;
}
.huella--1 {
  left: 5%;
  top: 50%;
  transform: translateY(-50%) rotate(90deg);
}
.huella--2 {
  left: 50%;
  top: 22%;
  transform: translateX(-50%) rotate(105deg);
}
.huella--3 {
  right: 5%;
  top: 62%;
  transform: translateY(-50%) rotate(60deg);
}

@media (max-width: 540px) {
  .huellas { height: 140px; }
  .huella { width: 24px; height: 24px; }
  .huella--1 { left: 2%; top: 55%; }
  .huella--2 { top: 18%; }
  .huella--3 { right: 2%; top: 65%; }
}

@media (prefers-reduced-motion: reduce) {
  .huella { opacity: .75; }
}

/* ------------------------------------------------------------
   Footer
   ------------------------------------------------------------ */
.landing-footer {
  padding: var(--sp-6) 0 var(--sp-4);
  background: #082f38;
  color: rgba(255, 251, 245, .85);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.landing-footer__marca {
  font-weight: 600;
  letter-spacing: .34em;
  font-size: clamp(1.12rem, 2vw, 1.35rem);
  color: var(--color-bg);
  margin-bottom: var(--sp-3);
}
.landing-footer__frase {
  width: 100%;
  max-width: none;
  margin: 0 0 var(--sp-5);
  padding: 0 var(--sp-3);
  text-align: center;
  font-size: 1.08rem;
  line-height: 1.7;
  color: rgba(255, 251, 245, .75);
}
.landing-footer__links {
  width: 100%;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--sp-3) var(--sp-4);
  list-style: none;
  padding: var(--sp-4) 0 0;
  margin: 0 0 var(--sp-4);
  border-top: 1px solid rgba(255, 251, 245, .10);
}
.landing-footer__links a {
  position: relative;
  color: inherit;
  text-decoration: none;
  font-size: .9rem;
  font-weight: 300;
  opacity: .7;
  transition: opacity .3s, color .3s;
}
.landing-footer__links a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -4px;
  height: 1px;
  background: var(--color-acento-suave);
  transform: scaleX(0);
  transition: transform .35s var(--ease-espacial);
}
.landing-footer__links a:hover { opacity: 1; color: var(--color-acento-suave); }
.landing-footer__links a:hover::after { transform: scaleX(1); }
.landing-footer__copy { font-size: .78rem; opacity: .5; font-weight: 300; }


/* ------------------------------------------------------------
   Autopresentación narrada
   ------------------------------------------------------------ */
.hero__autoplay-grupo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .7rem;
  margin-bottom: var(--sp-4);
}

.hero__autoplay {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  padding: .7rem 1.4rem;
  border-radius: 100px;
  border: 1.5px solid rgba(255, 251, 245, .38);
  background: rgba(255, 251, 245, .06);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  color: var(--color-bg);
  font-family: var(--font-sans);
  font-size: .88rem;
  font-weight: 500;
  letter-spacing: .05em;
  cursor: pointer;
  transition: background-color var(--dur-base) var(--ease-espacial),
              border-color var(--dur-base) var(--ease-espacial),
              transform var(--dur-base) var(--ease-espacial),
              box-shadow var(--dur-base) var(--ease-espacial);
}
.hero__autoplay:hover {
  background: rgba(255, 251, 245, .14);
  border-color: rgba(255, 251, 245, .72);
  transform: translateY(-2px);
}
.hero__autoplay svg { width: 13px; height: 13px; }
.hero__autoplay .ico-stop { display: none; }
.hero__autoplay.is-playing {
  border-color: var(--color-acento-suave);
  box-shadow: 0 0 22px rgba(164, 228, 222, .25);
  animation: autoplay-pulso 2.2s ease-in-out infinite;
}
@keyframes autoplay-pulso {
  0%, 100% { box-shadow: 0 0 22px rgba(164, 228, 222, .25); }
  50% { box-shadow: 0 0 32px rgba(164, 228, 222, .42); }
}
.hero__autoplay.is-playing .ico-play { display: none; }
.hero__autoplay.is-playing .ico-stop { display: block; }

/* En modo autopresentación los contenedores .reveal no bloquean nada:
   la visibilidad la controla cada frase narrada. */
body.modo-auto .reveal {
  opacity: 1 !important;
  transform: none !important;
  filter: none !important;
  transition: none !important;
}

/* Palabras narradas: fuera del modo auto se comportan como texto normal. */
.nw { display: inline-block; }
body.modo-auto .nw {
  opacity: 0;
  transform: translateY(.3em);
  filter: blur(5px);
  transition: opacity .55s ease, transform .55s ease, filter .55s ease;
  will-change: opacity, transform, filter;
}
body.modo-auto .nw.is-on { opacity: 1; transform: none; filter: none; }

/* ------------------------------------------------------------
   Movimiento reducido
   ------------------------------------------------------------ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; filter: none; transition: none; }
  .hero__scroll-flecha,
  .hero__indicador span,
  .filosofia__aurora,
  .landing-btn--pulso { animation: none; }
  .landing-btn, .hero__autoplay { transition: none; }
  body.modo-auto .nw { transform: none; filter: none; transition: opacity .3s ease; }
}