/*====================================================
  SECCIÓN NUESTROS FUNDAMENTOS
=====================================================*/

.fundamentos-section {
  width: 100%;
  padding-top: var(--space-lg);
  padding-bottom: 0 !important; /* Elimina hueco inferior */
  margin: 0 !important;
  background-color: var(--light);
  font-family: var(--font-primary);
  overflow: hidden;
}

.fundamentos-container {
  width: var(--container-width);
  margin: 0 auto var(--space-md) auto;
}

/* 1. Tag Superior */
.fundamentos-tag-wrapper {
  text-align: center;
  margin-bottom: var(--space-md);
}


/* 2. Card Nuestra Visión */
.vision-card {
  background-color: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: var(--space-sm);
  align-items: center;
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--space-lg);
}


.vision-composition {
  position: relative;
  width: 100%;
  max-width: 320px;           
  aspect-ratio: 1 / 1.1;
  margin: 0 auto 0 -40px;     
  justify-self: start;        /* Fuerza a pegarse a la izquierda en CSS Grid */
}
.vision-img {
  position: absolute;
  border-radius: var(--radius-sm);
  object-fit: cover;
  transition: transform var(--transition);
}


.img-back {
  width: 70%;            
  height: 70%;
  top: 0;
  left: 0;
  z-index: 1;
  opacity: 0.85;
}

.img-front {
  width: 70%;             
  height: 70%;
  bottom: 0;
  right: 0;
  z-index: 2;
  box-shadow: var(--shadow-sm);
}
/* 3. Principios Title */
.principios-header {
  text-align: center;
  margin-bottom: var(--space-md);
}

.principios-title {
  font-size: var(--title-md);
  font-weight: 800;
  color: var(--primary);
}

/* 4. Grid de 7 Flip Cards (4 arriba, 3 abajo centradas) */
.principios-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--space-md);

}

.principios-grid .flip-card:nth-child(1),
.principios-grid .flip-card:nth-child(2),
.principios-grid .flip-card:nth-child(3),
.principios-grid .flip-card:nth-child(4) {
  grid-column: span 3;
}

.principios-grid .flip-card:nth-child(5),
.principios-grid .flip-card:nth-child(6),
.principios-grid .flip-card:nth-child(7) {
  grid-column: span 4;
}

/* 5. Flip Card 3D Style */
.flip-card {
  background-color: transparent;
  height: 210px;
  perspective: 1000px;
  cursor: pointer;
}

.flip-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  text-align: center;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  transform-style: preserve-3d;
  border-radius: var(--radius-md);
}

.flip-card:hover .flip-card-inner {
  transform: rotateY(180deg);
}

.flip-card-front,
.flip-card-back {
  position: absolute;
  width: 100%;
  height: 100%;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  border-radius: var(--radius-md);
  padding: var(--space-sm);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
}

/* Cara Frontal */
.flip-card-front {
  background-color: var(--white);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

.card-num {
  font-size: var(--text-md);
  font-weight: 800;
  color: var(--primary-light);
  background: rgba(57, 96, 235, 0.1);
  padding: 4px 14px;
  border-radius: 999px;
  margin-bottom: var(--space-xs);
}

.card-name {
  font-size: var(--text-md);
  font-weight: 700;
  color: var(--dark);
  line-height: 2.35;
  margin: 0;
}

.card-hint {
  position: absolute;
  bottom: 12px;
  font-size: 0.72rem;
  color: var(--text);
  font-weight: 600;
}

/* Cara Trasera (Azul Oscuro con Sombra) */
.flip-card-back {
  background-color: var(--primary);
  color: var(--white);
  transform: rotateY(180deg);
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: var(--shadow-md);
}

.card-num-back {
  font-size: var(--text-xs);
  font-weight: 800;
  color: var(--primary-light);
  margin-bottom: 4px;
}

.card-back-title {
  font-size: var(--text-md);
  font-weight: 800;
  color: var(--white);
  margin-bottom: var(--space-xs);
}

.card-back-text {
  font-size: var(--text-xs);
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.9);
  margin: 0;
}

/* 6. Banner CTA Pegado Abajo (Sin Espacio Blanco) */
.cta-banner-full {
  width: 100%;
  background-color: #184580;
  display: flex;
  align-items: stretch;
  position: relative;
  overflow: hidden !important;
  margin: 0 !important;
  padding: 0;
  border-radius: 0;
}

.cta-left-accent {
  width: 110px;
  background-color: #103260;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  z-index: 3;
}

.cta-arrow-icon {
  width: 36px;
  height: 36px;
  color: var(--white);
}

.cta-banner-content {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 40px;
  position: relative;
  z-index: 2;
}

.cta-bubble {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  pointer-events: none;
  z-index: 1;
}

.bubble-1 { width: 180px; height: 180px; left: -20px; bottom: -90px; }
.bubble-2 { width: 130px; height: 130px; left: 45%; top: -60px; }
.bubble-3 { width: 240px; height: 240px; right: -50px; bottom: -100px; }

.cta-title {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--white);
  margin: 0;
  position: relative;
  z-index: 2;
}

.btn-cta-green {
  background-color: var(--green);
  color: var(--white);
  padding: 10px 32px;
  border-radius: 999px;
  font-weight: 700;
  font-size: var(--text-sm);
  text-decoration: none;
  transition: transform var(--transition), background-color var(--transition);
  box-shadow: 0 4px 15px rgba(76, 176, 80, 0.3);
  position: relative;
  z-index: 2;
}

.btn-cta-green:hover {
  background-color: #3f9643;
  transform: translateY(-2px);
}
/*====================================================
  RESPONSIVO (TABLETS Y MÓVILES)
=====================================================*/

@media (max-width: 1024px) {
  .vision-card {
    grid-template-columns: 1fr;
    text-align: center;
  }

  /* Centramos la composición en tablets y celulares quitando el margen negativo de desktop */
  .vision-composition {
    margin: var(--space-xs) auto 0 auto !important;
    justify-self: center;
  }

  .principios-grid .flip-card:nth-child(n) {
    grid-column: span 6;
  }
}

@media (max-width: 640px) {
  /* En celular: Visión coloca información arriba y composición abajo */
  .vision-card {
    padding: var(--space-sm);
  }

  /* Aseguramos que vuelva a centrarse perfectamente en teléfonos móviles */
  .vision-composition {
    margin: var(--space-xs) auto 0 auto !important;
    justify-self: center;
  }

  /* Las 7 tarjetas se apilan en lista vertical de 1 columna */
  .principios-grid .flip-card:nth-child(n) {
    grid-column: span 12;
  }

  .flip-card {
    height: 190px;
  }

  /* CTA Responsivo: La franja se convierte en línea superior y desaparece la flecha */
  .cta-banner-full {
    flex-direction: column;
  }

  .cta-left-accent {
    width: 100%;
    height: 8px; /* Línea superior delgada */
    padding: 0;
  }

  .cta-left-accent .cta-arrow-icon {
    display: none !important; /* Desaparece la flecha en móvil */
  }

  .cta-banner-content {
    flex-direction: column;
    text-align: center;
    gap: 16px;
    padding: 24px 20px;
  }

  .btn-cta-green {
    width: 100%;
    text-align: center;
    margin-right: 0 !important; /* Reseteamos también el margen del botón en móvil */
  }
}