/* =============================================
   TRANSICIÓN ENERGÉTICA — Energía Limpia Theme
   Paleta: Verde natural + Blanco + Acentos teal
   ============================================= */

/* ── Variables ── */
:root {
  --tr-green-deep:    #1a4a1f;
  --tr-green-mid:     #2d7a3a;
  --tr-green-bright:  #3da84e;
  --tr-green-light:   #d4edda;
  --tr-green-pale:    #f0faf2;
  --tr-teal:          #1b7f6e;
  --tr-teal-light:    #e1f5ee;
  --tr-white:         #ffffff;
  --tr-off-white:     #f7fdf8;
  --tr-text-dark:     #1a2e1c;
  --tr-text-mid:      #3b5e3f;
  --tr-text-muted:    #031906;
  --tr-border:        rgba(45, 122, 58, 0.18);
  --tr-shadow-sm:     0 2px 12px rgba(30, 90, 40, 0.08);
  --tr-shadow-md:     0 6px 28px rgba(30, 90, 40, 0.12);
  --tr-radius-sm:     8px;
  --tr-radius-md:     14px;
  --tr-radius-lg:     22px;
  --tr-transition:    0.25s ease;
}

/* ── Dark theme (integrado con tu sistema [data-theme="dark"]) ── */
[data-theme="dark"] {
  --tr-off-white:    var(--bg-color, #000000);
  --tr-white:        var(--backdrop-color, #111111);
  --tr-text-dark:    var(--font-color, #ffffff);
  --tr-text-mid:     #92c99a;
  --tr-text-muted:   #6b8f70;
  --tr-border:       rgba(153, 194, 255, 0.15);
  --tr-green-pale:   #080f09;
  --tr-shadow-sm:    0 2px 12px rgba(0, 0, 0, 0.5);
  --tr-shadow-md:    0 6px 28px rgba(0, 0, 0, 0.6);
  --tr-green-deep:   #a8ddb0;
  --tr-green-mid:    #7ec98a;
  --tr-green-bright: #5db86e;
  --tr-green-light:  rgba(153, 194, 255, 0.1);
}


.transicion.page {
  background-color: var(--tr-off-white);
  color: var(--tr-text-dark);
  font-family: inherit;
  overflow-x: hidden;
  padding-top: 34px;
}

/* ── Etiqueta flotante (label) ── */
.tr-label {
  display: inline-block;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--tr-green-mid);
  background: var(--tr-green-light);
  border: 1px solid rgba(61, 168, 78, 0.3);
  border-radius: 100px;
  padding: 4px 14px;
  margin-bottom: 1rem;
}

[data-theme="dark"] .tr-label {
  border-color: rgba(153, 194, 255, 0.25);
}

.tr-label--light {
  color: var(--tr-white);
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.35);
}

/* ── Títulos ── */
.tr-title,
.transicion h2 {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--tr-green-deep);
  margin: 0.4rem 0 1.2rem;
}

.tr-body {
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--tr-text-mid);
  max-width: 540px;
}

/* =======================================
   SECCIÓN: QUIÉNES SOMOS  (.tr-about)
   ======================================= */
.tr-about {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  padding: 6rem clamp(1.5rem, 6vw, 7rem);
  background: var(--tr-white);
  border-bottom: 1px solid var(--tr-border);
}

.tr-about__figure {
  margin: 0;
  border-radius: var(--tr-radius-lg);
  overflow: hidden;
  box-shadow: var(--tr-shadow-md);
  position: relative;
}

.tr-about__figure::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--tr-radius-lg);
  border: 2px solid rgba(61, 168, 78, 0.25);
  pointer-events: none;
}

.tr-about__figure img {
  width: 100%;
  height: 380px;
  object-fit: cover;
  display: block;
  transition: transform 0.6s ease;
}

.tr-about__figure:hover img {
  transform: scale(1.03);
}

.tr-checklist {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0 0;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.tr-checklist li {
  font-size: 0.95rem;
  color: var(--tr-text-mid);
  display: flex;
  align-items: center;
  gap: 10px;
}

.tr-checklist li::before {
  content: '';
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--tr-green-bright);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
  background-size: 11px;
  background-repeat: no-repeat;
  background-position: center;
}

/* =======================================
   SECCIÓN: CIFRAS  (.tr-stats)
   ======================================= */
.tr-stats {
  background: linear-gradient(135deg, var(--tr-green-deep) 0%, var(--tr-teal) 100%);
  padding: 5rem clamp(1.5rem, 6vw, 7rem);
  text-align: center;
}

[data-theme="dark"] .tr-stats {
  background: linear-gradient(135deg, #0a1a0d 0%, #0a1f1c 100%);
}

.tr-stats .tr-label {
  margin-bottom: 2.5rem;
}

.tr-stats__grid b {
  font-size: 1.8rem;
  color:#fbe9dc
}
.tr-stats__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

.tr-stats__grid li {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--tr-radius-md);
  padding: 2.5rem 1.5rem;
  backdrop-filter: blur(4px);
  transition: transform var(--tr-transition), background var(--tr-transition);
}

.tr-stats__grid li:hover {
  transform: translateY(-4px);
  background: rgba(255, 255, 255, 0.16);
}

.tr-stats__grid strong {
  display: block;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: #ffffff;
  line-height: 1;
  margin-bottom: 0.6rem;
  letter-spacing: -0.02em;
}

.tr-stats__grid p {
  font-size: 1.5rem;
  color: rgba(255, 255, 255, 0.78);
  margin: 0;
  line-height: 1.5;
}

/* =======================================
   SECCIÓN: QUÉ HACEMOS  (.tr-what)
   ======================================= */
.tr-what {
  display: grid;
  grid-template-columns: 1fr 0.5fr;
  gap: 4rem;
  align-items: center;
  padding: 6rem clamp(1.5rem, 6vw, 7rem);
  background: var(--tr-green-pale);
  border-top: 1px solid var(--tr-border);
  border-bottom: 1px solid var(--tr-border);
}

.tr-what figure {
  margin: 0;
  border-radius: var(--tr-radius-lg);
  overflow: hidden;
  box-shadow: var(--tr-shadow-md);
}

.tr-what figure img {
  width: 100%;
  object-fit: cover;
  display: block;
}

.tr-what h2 {
  margin-top: 0.5rem;
}

.tr-what p {
  font-size: 1.05rem;
  color: var(--tr-text-mid);
  line-height: 1.75;
  margin-bottom: 1.5rem;
}

.tr-what blockquote {
  margin: 0;
  padding: 1.2rem 1.5rem;
  border-left: 4px solid var(--tr-green-bright);
  background: var(--tr-white);
  border-radius: 0 var(--tr-radius-sm) var(--tr-radius-sm) 0;
  font-size: 1rem;
  font-style: italic;
  color: var(--tr-green-deep);
  box-shadow: var(--tr-shadow-sm);
}

/* =======================================
   SECCIÓN: SERVICIOS  (.tr-services)
   ======================================= */
.tr-services {
  padding: 6rem clamp(1.5rem, 6vw, 7rem);
  background: var(--tr-white);
}

.tr-services header {
  text-align: center;
  margin-bottom: 3rem;
}


.tr-card {
  background: var(--tr-off-white);
  border: 1px solid var(--tr-border);
  border-radius: var(--tr-radius-md);
  overflow: hidden;
  transition: transform var(--tr-transition), box-shadow var(--tr-transition);
  display: flex;
  flex-direction: column;
}

.tr-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--tr-shadow-md);
  border-color: rgba(61, 168, 78, 0.4);
}

[data-theme="dark"] .tr-card:hover {
  border-color: rgba(153, 194, 255, 0.35);
}

.tr-card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  display: block;
}

.tr-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--tr-green-deep);
  margin: 1.1rem 1.2rem 0.4rem;
}

.tr-card p {
  font-size: 0.88rem;
  color: var(--tr-text-muted);
  margin: 0 1.2rem 1.3rem;
  line-height: 1.6;
}

.tr-card::after {
  content: '';
  display: block;
  height: 3px;
  background: linear-gradient(90deg, var(--tr-green-bright), var(--tr-teal));
  margin-top: auto;
}

/* =======================================
   SECCIÓN: CTA  (.tr-cta)
   ======================================= */
.tr-cta {
  text-align: center;
  padding: 6rem clamp(1.5rem, 6vw, 7rem);
  background: var(--tr-off-white);
  border-top: 1px solid var(--tr-border);
}

.tr-cta h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  color: var(--tr-green-deep);
  margin-bottom: 0.6rem;
}

.tr-cta h2 strong {
  color: var(--tr-green-bright);
}

.tr-cta p {
  font-size: 1.1rem;
  color: var(--tr-text-muted);
  margin: 0rem 2rem 2rem 2rem;
}

.tr-cta a {
  display: inline-block;
  padding: 0.85rem 2.4rem;
  background: var(--tr-green-mid);
  color: #ffffff;
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  border-radius: 100px;
  transition: background var(--tr-transition), transform var(--tr-transition), box-shadow var(--tr-transition);
  box-shadow: 0 4px 16px rgba(45, 122, 58, 0.3);
}

.tr-cta a:hover {
  background: var(--tr-green-bright);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(45, 122, 58, 0.4);
}


/* =======================================
   SECCIÓN: NUESTRO PROPÓSITO (.tr-purpose)
   ======================================= */
.tr-purpose {
  padding: 6rem clamp(1.5rem, 6vw, 7rem);
  background: var(--tr-white);
  border-bottom: 1px solid var(--tr-border);
}
 
.tr-purpose__header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 3.5rem;
}
 
.tr-purpose__header h2 {
  color: var(--tr-green-deep);
  margin-top: 0.8rem;
}
 
.tr-purpose__header h2 strong {
  color: var(--tr-green-bright);
}
 
/* Pilares: 3 columnas en desktop */
.tr-purpose__pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.8rem;
  list-style: none;
  padding: 0;
  margin: 0 0 3.5rem;
  counter-reset: pillars;
}
 
.tr-pillar {
  background: var(--tr-off-white);
  border: 1px solid var(--tr-border);
  border-radius: var(--tr-radius-md);
  padding: 2rem 1.6rem;
  position: relative;
  transition: transform var(--tr-transition), box-shadow var(--tr-transition);
}
 
.tr-pillar:hover {
  transform: translateY(-5px);
  box-shadow: var(--tr-shadow-md);
}
 
/* Barra de color superior por pilar */
.tr-pillar:nth-child(1) { border-top: 4px solid #e8b84b; }
.tr-pillar:nth-child(2) { border-top: 4px solid var(--tr-green-bright); }
.tr-pillar:nth-child(3) { border-top: 4px solid var(--tr-teal); }
 
.tr-pillar__icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--tr-green-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.1rem;
  color: var(--tr-green-mid);
}
 
[data-theme="dark"] .tr-pillar__icon {
  background: rgba(153, 194, 255, 0.1);
  color: #7ec98a;
}
 
.tr-pillar__icon svg {
  width: 22px;
  height: 22px;
}
 
.tr-pillar h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--tr-green-deep);
  margin: 0 0 0.5rem;
}
 
.tr-pillar p {
  font-size: 0.9rem;
  color: var(--tr-text-muted);
  line-height: 1.6;
  margin: 0;
}
 
/* Cita de propósito — ocupa todo el ancho */
.tr-purpose__quote {
  margin: 0;
  padding: 2rem 3rem;
  background: linear-gradient(135deg, var(--tr-green-deep), var(--tr-teal));
  border-radius: var(--tr-radius-md);
  text-align: center;
  position: relative;
  overflow: hidden;
}
 
.tr-purpose__quote::before {
  content: '\201C';
  position: absolute;
  top: -0.4em;
  left: 0.2em;
  font-size: 8rem;
  color: rgba(255, 255, 255, 0.08);
  font-family: Georgia, serif;
  line-height: 1;
  pointer-events: none;
}
 
.tr-purpose__quote p {
  font-size: clamp(1rem, 2vw, 1.25rem);
  font-style: italic;
  color: rgba(255, 255, 255, 0.92);
  line-height: 1.7;
  margin: 0;
  position: relative;
}
 
[data-theme="dark"] .tr-purpose__quote {
  background: linear-gradient(135deg, #0a1a0d, #0a1f1c);
  border: 1px solid rgba(153, 194, 255, 0.15);
}
 
/* =======================================
   TARJETAS EXPANDIBLES (.tr-card)
   ======================================= */
 
.tr-services__grid {
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem;
  list-style: none;
  padding: 0;
  margin: 0 0 3rem;
}

/* Cada card ocupa 25% menos el gap */
.tr-services__grid > * {
  flex: 1 1 calc(25% - 1.2rem);
}
 
.tr-card {
  background: var(--tr-off-white);
  border: 1px solid var(--tr-border);
  border-radius: var(--tr-radius-md);
  overflow: hidden;
  cursor: pointer;
  /* Altura compacta por defecto */
  display: grid;
  grid-template-rows: 1fr;
  transition: box-shadow var(--tr-transition), border-color var(--tr-transition);
  position: relative;
}
 
/* Frente: imagen + título siempre visible */
.tr-card__front {
  display: flex;
  flex-direction: column;
}
 
.tr-card__front img {
  width: 100%;
  height: 140px;
  object-fit: cover;
  display: block;
  transition: height var(--tr-transition);
}
 
.tr-card__front h3 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--tr-green-deep);
  margin: 0.9rem 1rem 0.9rem;
  line-height: 1.3;
}
 
/* Contenido oculto */
.tr-card__back {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
  padding: 0 1rem;
}
 
.tr-card__back p,
.tr-card__back ul {
  font-size: 0.9rem;
  color: var(--tr-text-muted);
  line-height: 1.6;
  margin: 0 0 1rem;
}
 
.tr-card__back ul {
  padding-left: 1.1rem;
}
 
.tr-card__back ul li {
  margin-bottom: 0.4rem;
}
 
/* Barra inferior decorativa */
.tr-card::after {
  content: '';
  display: block;
  height: 3px;
  background: linear-gradient(90deg, var(--tr-green-bright), var(--tr-teal));
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  transform: scaleX(0);
  transition: transform 0.3s ease;
  transform-origin: left;
}
 
/* ── Estado expandido: hover (desktop) y clase .is-open (touch) ── */
.tr-card:hover,
.tr-card.is-open {
  box-shadow: var(--tr-shadow-md);
  border-color: rgba(61, 168, 78, 0.4);
}
 
[data-theme="dark"] .tr-card:hover,
[data-theme="dark"] .tr-card.is-open {
  border-color: rgba(153, 194, 255, 0.35);
}
 
.tr-card:hover::after,
.tr-card.is-open::after {
  transform: scaleX(1);
}
 
.tr-card:hover .tr-card__back,
.tr-card.is-open .tr-card__back {
  max-height: 300px;
  padding: 0 1rem 1rem;
}
 
.tr-card:hover .tr-card__front img,
.tr-card.is-open .tr-card__front img {
  height: 110px;
}
 
/* Cita al final de servicios */
.tr-services__quote {
  margin: 0;
  padding: 1.8rem 2.5rem;
  background: var(--tr-green-pale);
  border-left: 5px solid var(--tr-green-bright);
  border-radius: 0 var(--tr-radius-md) var(--tr-radius-md) 0;
  font-size: 0.97rem;
  color: var(--tr-text-mid);
  line-height: 1.7;
}
 
[data-theme="dark"] .tr-services__quote {
  background: var(--tr-green-pale);
  border-left-color: #5db86e;
}
 
.tr-services__quote strong {
  color: var(--tr-green-deep);
  display: block;
  margin-bottom: 0.3rem;
  font-size: 1rem;
}
 
/* =======================================
   RESPONSIVE — propósito y servicios
   ======================================= */
@media (max-width: 900px) {
  .tr-purpose__pillars {
    grid-template-columns: 1fr;
  }
 .tr-about,
  .tr-what {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .tr-what figure {
    order: -1;
  }

  .tr-services__grid > * {
    flex: 1 1 calc(50% - 1.2rem);
  }

  .tr-stats__grid {
    grid-template-columns: 1fr;
    gap: 1.2rem;
    max-width: 340px;
    margin: 0 auto;
  }
  .tr-services__grid {
    grid-template-columns: repeat(2, 1fr);
  }
 
  .tr-services__grid li:last-child {
    grid-column: span 2;
  }
 
  .tr-purpose__quote {
    padding: 1.5rem 1.8rem;
  }
}
 
@media (max-width: 560px) {
  .tr-purpose {
    padding: 3.5rem 1.2rem;
  }
 
  .tr-services__grid {
    grid-template-columns: 1fr;
  }
 
  .tr-services__grid li:last-child {
    grid-column: span 1;
  }
 
  /* En móvil siempre expandido (no hay hover) */
  .tr-card__back {
    max-height: none;
    padding: 0 1rem 1rem;
  }
 
  .tr-card__front img {
    height: 110px;
  }
  .tr-about,
  .tr-what,
  .tr-services,
  .tr-cta,
  .tr-stats {
    padding: 3.5rem 1.2rem;
  }

  .tr-services__grid > * {
    flex: 1 1 100%;
  }

  .tr-about__figure img,
  .tr-what figure img {
    height: 240px;
  }
}