/* MATERIAS SECTION  PLANES CARDS */

.materias .section-header {
  max-width: 900px; /* Increased from the default 720px to fit title in one line */
  text-align: center;
  margin: 0 auto 3rem auto;
}

/* Kicker Label */
.materias .section-label {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: var(--font-semibold);
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-sm);
}

.planes-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  padding-top: var(--space-lg);
}

.plan-card {
  display: flex;
  flex-direction: column;
  background-color: var(--color-bg);
  border: 1px solid rgba(0, 0, 0, 0.05);
  border-top: 5px solid var(--color-primary);
  border-radius: 16px;
  box-shadow: var(--shadow-md);
  padding: var(--space-2xl) var(--space-xl);
  transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
  height: 100%;
  position: relative;
  /* overflow: hidden removed to allow top badge to spill over */
}

.plan-card:hover {
  transform: translateY(-10px) scale(1.02);
  box-shadow: var(--shadow-xl);
  border-top-color: var(--color-primary-hover);
}

/* --- Plan M2 --- */
.plan-m2 {
  border-top-color: #0ea5e9; /* Light Cyan/Blue for M2 */
}
.plan-m2:hover { border-top-color: #0284c7; }
.plan-m2 .plan-icon { color: #0ea5e9; background-color: rgba(14, 165, 233, 0.1); }

/* --- Plan Lectura --- */
.plan-lectura {
  border-top-color: #8b5cf6; /* Violet for Lectura */
}
.plan-lectura:hover { border-top-color: #7c3aed; }
.plan-lectura .plan-icon { color: #8b5cf6; background-color: rgba(139, 92, 246, 0.1); }

/* --- Plan Atom (Featured) --- */
.plan-atom {
  border-top-color: var(--color-primary); 
}
.plan-atom:hover { border-top-color: var(--color-primary-hover); }
.plan-atom .plan-icon { color: var(--color-primary); background-color: rgba(var(--color-primary-rgb, 99, 102, 241), 0.1); }

.featured-plan {
  background-color: #f8fafc; /* Slight contrast background */
  transform: scale(1.02);
  box-shadow: var(--shadow-lg);
  z-index: 1;
}

.featured-plan:hover {
  transform: translateY(-10px) scale(1.04);
}

.plan-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--color-primary);
  color: #ffffff;
  font-size: 0.75rem;
  font-weight: 800;
  padding: 6px 18px;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  white-space: nowrap;
}

.plan-icon {
  width: 56px;
  height: 56px;
  min-width: 56px;
  min-height: 56px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  margin-bottom: var(--space-sm);
  transition: transform 0.3s ease;
}

.plan-icon svg {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  overflow: visible;
}

.plan-card:hover .plan-icon {
  transform: scale(1.1) rotate(-3deg);
}

.plan-card-content {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  margin-bottom: var(--space-2xl);
}

.plan-card h3 {
  font-size: var(--font-size-xl);
  font-weight: var(--font-bold);
  color: var(--color-heading);
  line-height: 1.3;
  margin: 0;
  letter-spacing: -0.01em;
}

.plan-card p {
  font-size: var(--font-size-base);
  color: var(--color-body);
  line-height: 1.7;
  margin: 0;
}

.plan-card-btn {
  width: 100%;
  text-align: center;
  justify-content: center;
  margin-top: auto;
  border-radius: 50px;
  font-weight: var(--font-semibold);
  letter-spacing: 0.01em;
  padding: calc(var(--space-md) + 2px) var(--space-lg);
}

/* ===========================
   RESPONSIVO ESTRUCTURAL
   =========================== */

@media (max-width: 1024px) {
  .planes-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xl);
  }
  
  /* El plan destacado toma 2 columnas y se vuelve un "Banner Frontal" */
  .featured-plan {
    transform: scale(1);
    grid-column: 1 / -1;
    flex-direction: row;
    align-items: center;
    gap: var(--space-xl);
    padding: var(--space-xl) var(--space-2xl);
  }
  
  .featured-plan .plan-card-content {
    margin-bottom: 0;
    flex: 1;
  }
  
  .featured-plan .plan-card-btn {
    width: auto;
    min-width: 240px;
    margin-top: 0;
    flex-shrink: 0;
  }

  .featured-plan:hover {
    transform: translateY(-5px) scale(1.01);
  }
}

@media (max-width: 768px) {
  .materias .section-header {
    margin-bottom: var(--space-xl);
  }

  .materias .section-header h2 {
    font-size: var(--font-size-2xl);
  }

  .materias .section-header p {
    font-size: var(--font-size-base);
  }

  .planes-grid {
    grid-template-columns: 1fr;
    max-width: 540px; /* Mejor límite de lectura para móvil */
    margin: 0 auto;
    gap: var(--space-2xl); /* Espacio amplio para los pop-ups de hover y badges */
    padding-top: var(--space-xl);
  }

  /* Deshacemos el Layout horizontal en móviles para volver a apilar todo */
  .featured-plan {
    grid-column: auto;
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-2xl) var(--space-xl);
    gap: 0;
  }

  .featured-plan .plan-card-content {
    margin-bottom: var(--space-2xl);
  }

  .featured-plan .plan-card-btn {
    width: 100%;
    margin-top: auto;
  }

  .plan-card {
    padding: var(--space-xl);
  }

  .plan-card:hover {
    transform: translateY(-5px);
  }
}

@media (max-width: 480px) {
  .planes-grid {
    gap: var(--space-xl);
  }
  
  .plan-card,
  .featured-plan {
    padding: var(--space-xl) var(--space-lg);
  }

  /* Optimización de espacio vertical en pantallas muy pequeñas */
  .plan-icon {
    width: 48px;
    height: 48px;
    min-width: 48px;
    min-height: 48px;
    margin-bottom: var(--space-md);
  }

  .plan-icon svg {
    width: 24px;
    height: 24px;
  }

  .plan-card h3 {
    font-size: var(--font-size-lg); /* Bajamos un poco el tamaño de títulos */
  }

  .plan-card p {
    font-size: 0.95rem; /* Mejoramos la legibilidad en densidades altas */
  }
}