/* Modo oscuro general */
body {
  background-color: #121212;
  color: #e0e0e0;
  font-family: 'Segoe UI', sans-serif;
  margin: 0;
  padding: 0;
}

/* Encabezado */
header {
  text-align: center;
  padding: 2rem 1rem;
  background: #1e1e1e;
  border-bottom: 1px solid #333;
}

<header>
  <div class="logo-container">
    <svg class="logo" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100">
      <defs>
        <filter id="glow">
          <feGaussianBlur stdDeviation="3.5" result="coloredBlur"/>
          <feMerge>
            <feMergeNode in="coloredBlur"/>
            <feMergeNode in="SourceGraphic"/>
          </feMerge>
        </filter>
      </defs>
      <circle cx="50" cy="50" r="40" fill="#4fc3f7" filter="url(#glow)"/>
      <text x="50%" y="55%" text-anchor="middle" fill="#fff" font-size="20" font-family="Arial" dy=".3em">JF</text>
    </svg>
  </div>
</header>


h1, h2 {
  color: #ffffff;
}

p {
  color: #cccccc;
}

/* Secciones */
section {
  padding: 2rem 1rem;
}

/* Banners horizontal */
.banners-horizontal {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
}

.banner {
  background-color: #1f1f1f;
  border-radius: 12px;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  width: 280px;
  max-width: 90vw;
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.banner img {
  width: 100%;
  height: 160px;
  object-fit: cover;
}

.banner h3 {
  margin: 0.5rem 0 0.2rem;
  color: #4fc3f7;
}

.banner p {
  font-size: 0.9rem;
  padding: 0 1rem;
  margin-bottom: 0.5rem;
  color: #bbbbbb;
}

/* Botón dentro del banner */
.banner .btn {
  display: inline-block;
  margin: 0.5rem auto 1rem;
  padding: 0.5rem 1.2rem;
  border: none;
  border-radius: 20px;
  background-color: #4fc3f7;
  color: #121212;
  font-weight: bold;
  cursor: pointer;
  transition: background-color 0.3s ease, transform 0.2s ease;
  text-decoration: none;
}

.banner .btn:hover {
  background-color: #29b6f6;
  transform: scale(1.05);
}

.banner:hover {
  transform: scale(1.03);
  box-shadow: 0 0 15px rgba(79, 195, 247, 0.4);
}

/* FAQ desplegables */
.faq details {
  margin-bottom: 1rem;
  background: #1f1f1f;
  border-radius: 8px;
  padding: 1rem;
  border-left: 4px solid #4fc3f7;
}

.faq summary {
  cursor: pointer;
  font-weight: bold;
}

/* Footer */
footer {
  text-align: center;
  padding: 2rem 1rem;
  font-size: 0.9rem;
  background: #1a1a1a;
  border-top: 1px solid #333;
}

/* Animaciones */
@keyframes fadeIn {
  0% { opacity: 0; transform: translateY(-20px); }
  100% { opacity: 1; transform: translateY(0); }
}

/* Responsive ajustes */
@media (max-width: 600px) {
  .banner {
    width: 95%;
  }

  header h1 {
    font-size: 1.5rem;
  }
}

/* 🔹 Animaciones adicionales perfectamente integradas 🔹 */

/* Logo con efecto de entrada */
.logo {
  animation: fadeIn 1.5s ease-in-out;
}

/* Secciones con animación de entrada suave */
section h2, .faq details, .banner {
  animation: fadeInUp 0.8s ease-out;
}

/* Botón de idioma - estilo profesional */
.btn-idioma {
  display: inline-block;
  padding: 0.6rem 1.2rem;
  background-color: #4fc3f7;
  color: #121212;
  font-weight: bold;
  border-radius: 20px;
  text-decoration: none;
  margin: 0rem auto;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.btn-idioma:hover {
  transform: scale(1.05);
  box-shadow: 0 0 12px rgba(79, 195, 247, 0.5);
}

/* Nueva animación fadeInUp */
@keyframes fadeInUp {
  0% {
    opacity: 0;
    transform: translateY(20px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Contenedor centrado */
.logo-container {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px;
}

/* Estilo del logo SVG */
.logo {
  width: 280px;
  height: auto;
  cursor: pointer;
  transition: transform 0.4s ease, filter 0.4s ease;
  animation: logo-pop 0.9s ease-out forwards;
  transform-origin: center;
  filter: drop-shadow(0 0 6px rgba(79, 195, 247, 0.7));
}

/* Hover interactivo */
.logo:hover {
  transform: scale(1.2) rotate(3deg);
  filter: drop-shadow(0 0 20px rgba(79, 195, 247, 1));
}

/* Animación inicial de entrada */
@keyframes logo-pop {
  0% {
    transform: scale(0.3);
    opacity: 0;
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}