/* ===========================
   HERO BIBLIOTECA
=========================== */
.hero-biblioteca {
  position: relative;
  height: 65vh;
  background: url('../images/hero/pexels-minan1398-694740.jpg') center/cover no-repeat;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-biblioteca .overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.6), rgba(24,76,54,0.85));
  z-index: 1;
}

.hero-biblioteca .container {
  position: relative;
  z-index: 2;
  max-width: 900px;
}

.hero-biblioteca h1 {
  font-size: 3rem;
  color: #ffc107;
  text-shadow: 0 4px 12px rgba(0,0,0,0.7);
}

.hero-biblioteca .divider {
  width: 80px;
  height: 4px;
  background: #ffc107;
  border-radius: 5px;
}

/* ===========================
   INFO BIBLIOTECA
=========================== */
.biblioteca-info img {
  max-height: 350px;
  object-fit: cover;
  border-radius: 12px;
  border: 4px solid rgba(255, 193, 7, 0.6);
}

/* ===========================
   OPAC SECTION
=========================== */
.opac-section .btn-primary {
  background: #167094;
  border: none;
  transition: 0.3s ease;
}

.opac-section .btn-primary:hover {
  background: #309fad;
  transform: translateY(-3px);
}

/* ===========================
   GUÍA DE USO
=========================== */
.opac-guia .rounded {
  transition: all 0.3s ease;
  border-left: 5px solid #ffc107;
}

.opac-guia .rounded:hover {
  transform: translateY(-5px);
  background: #fff !important;
  box-shadow: 0 8px 20px rgba(0,0,0,0.1);
}

/* ===========================
   REGISTRO
=========================== */
.registro-section .rounded {
  transition: all 0.3s ease;
  background: #fafafa;
  border-left: 4px solid #ffc107;
}

.registro-section .rounded:hover {
  background: #fff;
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.1);
}

/* ===========================
   EBIBLIO
=========================== */
.ebiblio-section .btn-warning {
  transition: 0.3s ease;
}

.ebiblio-section .btn-warning:hover {
  transform: translateY(-3px);
  background: #ffda44;
}

/* ===========================
   SUGERENCIAS
=========================== */
.sugerencias-section input,
.sugerencias-section textarea {
  border-radius: 12px;
}

.sugerencias-section button {
  background: #184c36;
  border: 0;
  transition: 0.3s ease;
}

.sugerencias-section button:hover {
  background: #0f3627;
  transform: translateY(-3px);
}

/* ===========================
   RESPONSIVE
=========================== */
@media (max-width: 768px) {
  .hero-biblioteca h1 {
    font-size: 2.3rem;
  }
}