/* BASE */
body {
  margin: 0;
  font-family: sans-serif;
  color: white;
  text-align: center;

  background: radial-gradient(circle at center, #2a0000, #000000 70%);
  overflow-x: hidden;
  overflow-y: auto;
  position: relative;
}

/* 🔥 EFECTO ENERGÍA */
body::before {
  content: "";
  position: fixed; /* 🔥 corregido */
  width: 200%;
  height: 200%;
  top: -50%;
  left: -50%;

  background: radial-gradient(circle, rgba(255,0,0,0.1), transparent 70%);
  filter: blur(80px);

  animation: fuego 5s infinite ease-in-out;
  z-index: 0;
}

@keyframes fuego {
  0% { transform: scale(1); opacity: 0.5; }
  50% { transform: scale(1.3); opacity: 1; }
  100% { transform: scale(1); opacity: 0.5; }
}

/* 🔥 SLIDER */
.slider {
  position: relative;
  z-index: 2;
  width: 100%;
}

.slides {
  display: flex;
  transition: transform 0.5s ease;
  width: 100%;
}

.slide {
  min-width: 100%;
  flex-shrink: 0;
  height: auto; /* 🔥 clave para scroll vertical */
}

/* CONTENIDO */
.contenido {
  max-width: 800px;
  margin: auto;
  padding: 100px 20px 80px;
}

/* 🔥 SIMBOLO */
.simbolo {
  font-size: 130px;
  color: #ff2a2a;

  animation: golpear 1s infinite ease-in-out;

  text-shadow:
    0 0 10px #ff0000,
    0 0 30px #ff0000,
    0 0 60px #ff4500,
    0 0 100px #ff0000;
}

@keyframes golpear {
  0%   { transform: scale(1); }
  30%  { transform: scale(1.2); }
  60%  { transform: scale(0.95); }
  100% { transform: scale(1); }
}

/* TITULO */
h1 {
  font-size: 46px;
  margin: 20px 0;
}

/* TEXTO */
p {
  font-size: 18px;
  line-height: 1.8;
  color: #ffcccc;
}

/* BOTON */
.volver {
  display: inline-block;
  margin-top: 40px;
  padding: 12px 25px;

  border: 1px solid #ff2a2a;
  color: #ff2a2a;
  text-decoration: none;

  transition: 0.3s;
  position: relative;
  z-index: 5;
}

.volver:hover {
  background: #ff2a2a;
  color: black;
  box-shadow: 0 0 25px #ff0000;
}

/* 🔥 CONTROLES */
.controles {
  position: fixed;
  top: 50%;
  left: 0;
  width: 100%;
  transform: translateY(-50%);
  z-index: 10;

  display: flex;
  justify-content: space-between;
  pointer-events: none;
}

.controles button {
  pointer-events: all;

  background: rgba(0,0,0,0.4);
  border: 1px solid #ff2a2a;
  color: #ff2a2a;

  font-size: 28px;
  padding: 10px 18px;
  cursor: pointer;

  transition: 0.3s;
}

.controles button:hover {
  background: #ff2a2a;
  color: black;
  box-shadow: 0 0 20px #ff0000;
}

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

  body {
    overflow-y: auto;
  }

  .slider {
    overflow: visible;
  }

  .controles {
    display: none;
  }

  .slides {
    overflow-x: auto;
    overflow-y: visible; /* 🔥 clave */
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
  }

  .slide {
    scroll-snap-align: start;
  }

  .slides::-webkit-scrollbar {
    display: none;
  }

  .simbolo {
    font-size: 85px;
  }

  h1 {
    font-size: 30px;
  }

  p {
    font-size: 16px;
  }

  .contenido {
    padding: 80px 15px 60px;
  }
}
@media (max-width: 768px) {

  .controles {
    display: none;
  }

  .slides {
    display: block; /* 🔥 clave: deja de ser horizontal */
  }

  .slide {
    min-width: 100%;
    margin-bottom: 40px; /* espacio entre slides */
  }

}
.slide {
  min-height: 100vh;
  display: flex;
  align-items: center;
}