:root {
  /* --- PALETA MODO CLARO (Tus colores originales) --- */
  --bg-body: linear-gradient(to bottom, #ffe0e6, #B7D4B4);
  --bg-tarjeta-seccion: rgb(245, 245, 245);
  --bg-tarjeta-elegante: #f3f3f3;
  --texto-titulos: #581d36;
  --texto-p: rgb(27, 27, 27);
  --hr-principal: #D67DA2;
  --hr-seccion: #82BC9F;
  --sombra: rgba(54, 25, 31, 0.05);
}

@media (prefers-color-scheme: dark) {
  :root {
    /* --- PALETA MODO OSCURO (Versión Nocturna) --- */
    --bg-body: linear-gradient(to bottom, #2a1b21, #161d16);
    --bg-tarjeta-seccion: #2d2429;
    --bg-tarjeta-elegante: #1e1a1c;
    --texto-titulos: #ff9abd; /* Rosa pastel brillante */
    --texto-p: #e0e0e0;
    --hr-principal: #ff9abd;
    --hr-seccion: #a5ffd2; /* Verde menta brillante */
    --sombra: rgba(0, 0, 0, 0.6);
  }
}

body {
  display: flex;          
  flex-direction: column;  
  justify-content: center;
  align-items: center;    
  width: 95%;
  max-width: 900px;
  margin: 0 auto;
  padding: 30px 0;
  min-height: 100vh;
  font-family: Lora, Arial, sans-serif;
  background: var(--bg-body); /* Aplicado */
  color: var(--texto-p); /* Aplicado */
  transition: background 0.5s ease, color 0.5s ease;
}

header {
  display: flex;          
  flex-direction: column;  
  justify-content: center;
  align-items: center;    
  text-align: center;
  width: 100%;
}

hr {
  width: 100%;
  height: 4px;
  background-image: linear-gradient(to right,
    transparent 0%,
    var(--hr-principal) 5%, 
    var(--hr-principal) 95%,
    transparent 100%
  );
  border: none;
  margin: 15px 0;
}

section hr {
  width: 100%;
  height: 3px;
  background-color: var(--hr-seccion);
  margin: 8px auto;
}

.contenedor-columnas {
  display: flex;
  flex-direction: row;      
  justify-content: space-between;
  align-items: stretch;
  width: 100%;
  gap: 15px;
  padding: 10px 0;
}

@media (max-width: 768px) {
  .contenedor-columnas {
    flex-direction: column;
    align-items: center;
  }
  section {
    width: 90% !important;
  }
}

section {
  width: 31%;
  padding: 20px 15px;
  border-radius: 15px;
  box-shadow: 0 4px 15px var(--sombra);
  transition: transform 0.3s ease;
  border: 4px solid transparent;
  background-origin: border-box;
  background-clip: padding-box, border-box;
  background-image:
    linear-gradient(var(--bg-tarjeta-seccion), var(--bg-tarjeta-seccion)),
    linear-gradient(to bottom, #D67DA2, #82BC9F);
}

section:hover {
  transform: translateY(-5px);
  background-image:
    linear-gradient(var(--bg-tarjeta-seccion), var(--bg-tarjeta-seccion)),
    linear-gradient(to bottom, #f7aecc, #a7ddc2);
}

.headimage {
  width: 100%;
  max-height: 320px;
  max-width: 100%;
  object-fit: cover;
  border-radius: 20px;
  margin-bottom: 15px;
  mask-image: radial-gradient(circle, black 96%, transparent 100%);
  -webkit-mask-image: radial-gradient(circle, black 96%, transparent 100%);
}

.elegante {
  border-radius: 15px;
  box-shadow: 0 4px 15px var(--sombra);
  transition: transform 0.3s ease;
  border: 5px solid transparent;
  background-origin: border-box;
  background-clip: padding-box, border-box;
  background-image:
    linear-gradient(var(--bg-tarjeta-elegante), var(--bg-tarjeta-elegante)),
    linear-gradient(to bottom, #D67DA2, #559b77);
  padding: 25px;
  width: 100%;
  box-sizing: border-box;
}

h1, h2, .columna h2, strong {
  font-family: "Crimson Pro", Times, serif;
  color: var(--texto-titulos);
  margin: 10px 0;
}

p {
  color: var(--texto-p);
  font-size: 1.2rem;
  line-height: 1.4;
  margin: 10px 0;
}

.columna li {
  font-family: 'Lora', serif;
  font-size: 1rem;
  line-height: 1.5;    
  margin-bottom: 10px;
  color: var(--texto-p);
}

.columna li::before {
  content: "🌸";        
  margin-right: 10px;    
  font-size: 1rem;    
}

.btn-leer {
  display: inline-block;
  text-decoration: none;
  background: linear-gradient(to bottom, #ce5487, #551d3c);
  color: #eeeeee;
  padding: 20px 25px;
  border-radius: 8px;
  font-family: 'Lora', serif;
  font-size: 1rem;
  font-weight: bold;
  transition: all 0.3s ease;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.cambio { font-family: 'Crimson Pro', serif !important; }

/* 1. Centramos el botón */
.contenedor-boton {
  text-align: center;
  width: 100%;
  padding: 20px 0;
  display: block; /* Asegura que ocupe todo el ancho para poder centrar lo de adentro */
}

/* 2. Quitamos los puntos negros de la lista que se colaron */
.columna ul {
  list-style: none !important;
  padding: 0;
  margin: 0;
}

.btn-leer:hover {
  /* Se hace un poquito más grande */
  transform: scale(1.05); 
  
  /* El degradado se vuelve más intenso */
  background: linear-gradient(135deg, #ff74a4, #9f3a60); 
  
  /* La sombra crece para dar efecto de que "flota" */
  box-shadow: 0 6px 20px rgba(159, 58, 96, 0.4); 
  
  /* Cambia el cursor a la manito */
  cursor: pointer; 
}

/* Efecto cuando lo presionas (opcional pero recomendado) */
.btn-leer:active {
  transform: scale(0.98);
}