body {
  margin: 0;
  font-family: sans-serif;
  color: white;

  background: radial-gradient(circle at center, #332200, #000000 70%);
  overflow: hidden;
  overflow-y: auto;
  text-align: center;
}

/* ✨ AURA */
body::before {
  content: "";
  position: absolute;
  top: 30%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(255,215,0,0.4), transparent 70%);
  filter: blur(40px);
  animation: aura 4s infinite ease-in-out;
}

@keyframes aura {
  0% { transform: translate(-50%, -50%) scale(1); }
  50% { transform: translate(-50%, -50%) scale(1.2); }
  100% { transform: translate(-50%, -50%) scale(1); }
}

/* CONTENIDO */
.contenido {
  position: relative;
  z-index: 2;
  max-width: 800px;
  margin: auto;
  padding: 100px 20px;
}

/* SOL */
.simbolo {
  font-size: 140px;
  color: #FFD700;
  animation: latido 2.5s infinite ease-in-out;
  text-shadow:
    0 0 20px #FFD700,
    0 0 40px #FFD700,
    0 0 80px #FFA500,
    0 0 120px #FF8C00;
}

@keyframes latido {
  0% { transform: scale(1); }
  50% { transform: scale(1.2); }
  100% { transform: scale(1); }
}

/* TEXTO */
h1 {
  font-size: 48px;
  margin: 20px 0;
}

p {
  font-size: 18px;
  line-height: 1.8;
  color: #ddd;
}

/* BOTÓN */
.volver {
  display: inline-block;
  margin-top: 40px;
  padding: 12px 25px;
  border: 1px solid #FFD700;
  color: #FFD700;
  text-decoration: none;
  transition: 0.3s;
}

.volver:hover {
  background: #FFD700;
  color: black;
  box-shadow: 0 0 30px #FFD700;
}

/* 🔥 SLIDER */
.slider {
  position: relative;
  width: 100%;
  overflow: hidden;
}

/* SLIDES */
.slide {
  display: none;
  min-height: 100vh;
  padding: 60px 20px;
}

.slide.active {
  display: block;
}

/* 🔥 CONTROLES */
.controles {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;

  z-index: 9999;

  pointer-events: none;
}

/* BOTONES */
.controles button {
  pointer-events: auto;

  position: absolute;
  top: 50%;
  transform: translateY(-50%);

  background: rgba(0,0,0,0.6);
  border: 2px solid #FFD700;
  color: #FFD700;

  font-size: 24px;
  padding: 14px 18px;

  cursor: pointer;
  transition: 0.3s;

  backdrop-filter: blur(6px);
}

/* IZQUIERDA */
#prev {
  left: 10px;
  border-radius: 0 10px 10px 0;
}

/* DERECHA */
#next {
  right: 10px;
  border-radius: 10px 0 0 10px;
}

/* HOVER */
.controles button:hover {
  background: #FFD700;
  color: black;
  box-shadow: 0 0 25px #FFD700;
  transform: translateY(-50%) scale(1.1);
}

/* 📱 MOBILE */
@media (max-width: 768px) {

  .simbolo {
    font-size: 90px;
  }

  h1 {
    font-size: 32px;
  }

  p {
    font-size: 16px;
  }

  .contenido {
    padding: 80px 15px 60px;
  }

  .volver {
    padding: 10px 18px;
    font-size: 14px;
  }

  /* 🔥 flechas MÁS visibles en celular */
  .controles button {
    font-size: 20px;
    padding: 12px 14px;
  }

  #prev {
    left: 5px;
  }

  #next {
    right: 5px;
  }
}

/* 📱 MOBILE FIX REAL */
@media (max-width: 768px) {

  /* SLIDES más cómodos */
  .slide {
    min-height: 100dvh;
    display: flex;
    justify-content: center;
    align-items: center;
  }

  .contenido {
    padding: 60px 20px 100px;
  }

  /* TEXTO más aireado */
  p {
    line-height: 1.6;
  }

  /* 🔥 FLECHAS MEJOR UBICADAS */
  .controles button {
    top: auto;
    bottom: 20px; /* 👈 abajo tipo app */
    transform: none;
  }

  #prev {
    left: 20px;
  }

  #next {
    right: 20px;
  }

  /* 🔙 BOTÓN VOLVER CENTRADO ABAJO */
  .volver {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1000;

    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(6px);
  }
}
/* 🔙 solo scroll en mobile */
@media (max-width: 768px) {
  .controles {
    display: none;
  }

  .slide {
    display: block;
  }
}