/* style2.css — Segunda Parte: Los Principios de la Gran Unidad — paleta ámbar naranja */

body {
  margin: 0;
  padding: 0;
  background: radial-gradient(ellipse at center, #1a0e05 0%, #0d0700 100%);
  color: #e8dcc8;
  font-family: 'Crimson Pro', serif;
}

main {
  padding: 3rem 2rem;
  max-width: 800px;
  margin: 2rem auto;
  background-color: rgba(28, 16, 4, 0.75);
  border: 1px solid #904810;
  border-radius: 12px;
  animation: heartbeat-glow-orange 2.2s ease-in-out infinite;
}

h1 {
  font-size: 2.5em;
  text-align: center;
  margin-bottom: 1.2em;
  background: linear-gradient(to right, #e09030, #f8e0b0, #c07010, #e09030);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: shine 8s ease-in-out infinite;
  color: #c07820;
  text-shadow: 0 0 10px rgba(192, 120, 32, 0.4);
}

h2, h3 {
  color: #b07820;
  border-bottom: 1px solid rgba(160, 100, 20, 0.35);
  padding-bottom: 0.3em;
}

p { margin-bottom: 1em; font-size: 1.2em; line-height: 1.6; }

a { color: #a06820; text-decoration: none; transition: color 0.3s ease, text-shadow 0.3s ease; }
a:hover {
  color: #d09038;
  text-shadow: 0 0 8px rgba(208, 144, 56, 0.7);
  text-decoration: underline;
}

blockquote {
  border-left: 3px solid #904810;
  margin: 1.2em 0;
  padding: 0.5em 1.2em;
  color: #c08838;
  background: rgba(35, 18, 5, 0.35);
  border-radius: 0 6px 6px 0;
}

footer {
  margin-top: 4rem;
  padding: 1.5rem;
  background: #0a0600;
  color: #8a6030;
  text-align: center;
  font-size: 0.9rem;
  border-top: 1px solid #5a3210;
}

/* Animaciones */
@keyframes shine {
  0%   { background-position: 200% center; }
  100% { background-position: 0% center; }
}

@keyframes heartbeat-glow-orange {
  0%   { box-shadow: 0 0 8px rgba(140, 80, 10, 0.2);  border-color: #904810; }
  50%  { box-shadow: 0 0 40px rgba(208, 128, 40, 0.65); border-color: #d08028; }
  100% { box-shadow: 0 0 8px rgba(140, 80, 10, 0.2);  border-color: #904810; }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* Portada del libro */
.portada-libro-container { margin: 3em 0 1em; text-align: center; }
.portada-libro {
  width: 220px;
  border-radius: 12px;
  box-shadow: 0 0 14px rgba(208, 128, 40, 0.5);
  transition: transform 0.4s ease, box-shadow 0.4s ease;
  cursor: pointer;
}
.portada-libro:hover {
  transform: scale(1.07) rotate(-2deg);
  box-shadow: 0 0 28px rgba(208, 128, 40, 0.8);
}

/* Logos animados */
@keyframes goldenPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(253, 224, 71, 0.3); }
  50%       { box-shadow: 0 0 25px 15px rgba(253, 224, 71, 0.5); }
}
.anim-container {
  display: inline-block;
  border-radius: 50%;
  padding: 8px;
  background-color: #1a0e05;
  animation: goldenPulse 3s infinite;
  transition: transform 0.5s ease, box-shadow 0.5s ease;
}
.anim-container:hover {
  transform: scale(1.1);
  box-shadow: 0 0 30px 15px rgba(253, 224, 71, 0.6);
  z-index: 10;
}
.anim-img-round  { border-radius: 50%; object-fit: cover; vertical-align: middle; }
.anim-librovivo {
  border-radius: 12px;
  animation: goldenPulse 3s infinite;
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}
.anim-librovivo:hover {
  transform: scale(1.3) rotate(-2deg);
  box-shadow: 0 0 24px rgba(208, 144, 56, 0.8);
  z-index: 20;
}

/* Fade-in de secciones */
.fade-in-section {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 1.5s ease-out, transform 1.5s ease-out;
  will-change: opacity, transform;
}
.fade-in-section.is-visible { opacity: 1; transform: translateY(0); }