:root{
  --eco-ink: #f5f3ed;     /* marfil para títulos */
  --eco-muted: rgba(245,243,237,.80);

  --radius: 26px;
  --max: 1180px;
}

/* Sección */
.eco{
  color: var(--eco-ink);
  padding: 5%;
  overflow: hidden; /* para que no se vean cosas fuera al animar */
  background-color: black;
}

.eco__inner{
  margin: 0 auto;
  padding: 5%;

  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: clamp(18px, 3vw, 36px);
  align-items: center;
}

/* Responsive */
@media (max-width: 900px){
  .eco__inner{
    grid-template-columns: 1fr;
  }
}

/* Texto */
.eco__title{
  margin: 0 0 18px;
  font-family: ui-serif, Georgia, "Times New Roman", Times, serif;
  font-weight: 600;
  font-size: clamp(2.4rem, 4.8vw, 4.6rem);
  line-height: 1.05;
  letter-spacing: .2px;
}

.eco__p{
  margin: 0 0 22px;
  color: var(--eco-muted);
  font-size: clamp(1.1rem, 1.5vw, 2rem);
  line-height: 1.85;
  max-width: 60ch;
}

.eco__note{
  margin: 0;
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 12px;
  align-items: start;
  color: rgba(245,243,237,.72);
  font-size: clamp(.98rem, 1.2vw, 1.1rem);
  line-height: 1.65;
}

.eco__icon{
  display: inline-grid;
  place-items: center;
  color: rgba(245,243,237,.85);
  transform: translateY(2px);
}

/* Imagen */
.eco__media{
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,.30);
  border: 1px solid rgba(255,255,255,.12);
}

.eco__img{
  width: 100%;
  height: clamp(320px, 40vw, 520px);
  object-fit: cover;
  display: block;

  /* parallax controlado por JS */
  --py: 0px;
  transform: translate3d(0, var(--py), 0) scale(1.06);
  will-change: transform;
}

/* ===== Animación “aparece de los lados” ===== */
.js-reveal-left,
.js-reveal-right{
  opacity: 0;
  transform: translate3d(0,0,0);
  filter: blur(6px);
  transition:
    opacity .9s ease,
    transform .9s ease,
    filter .9s ease;
}

.js-reveal-left{
  transform: translate3d(-60px, 0, 0);
}

.js-reveal-right{
  transform: translate3d(60px, 0, 0);
}
.eco .js-reveal-right:not(.is-visible){
  transition-delay: 0s;
}
/* Estado visible */
.is-visible{
  opacity: 1;
  transform: translate3d(0,0,0);
  filter: blur(0);
}

/* Stagger: imagen entra un pelín después */
.eco .js-reveal-right{
  transition-delay: .12s;
}

/* Accesibilidad */
@media (prefers-reduced-motion: reduce){
  .js-reveal-left, .js-reveal-right{
    transition: none;
    opacity: 1;
    transform: none;
    filter: none;
  }
  .eco__img{
    transform: none;
  }
}