* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  font-family: Arial, Helvetica, sans-serif;
  background:
    radial-gradient(circle at center, rgba(0, 180, 255, 0.14), transparent 35%),
    linear-gradient(135deg, #020b18, #03111f 45%, #010711);
  color: #ffffff;
  overflow-x: hidden;
}

.presentacion {
  transform: scale(0.9) translateY(-20px);
  margin-top: 0px;
  margin-bottom: -70px;
  margin-left: auto;
  margin-right: auto;
  background: rgba(4, 15, 29, 0.72);
  font-size: 1.3rem;
  text-align: center;
  padding: 20px;
  width: 60%;
  max-width: 80%;
  border: #010711 1px solid;
  border-radius: 12px;
  line-height: 1.7; 
  box-shadow: 0 8px 22px rgba(0, 212, 255, 0.35);
  animation: brillo 5s ease infinite;
}

@keyframes brillo {
  0% { box-shadow: 0 10px 24px rgba(0, 212, 255, 0.5); }
  20% { box-shadow: 0 8px 22px rgba(0, 212, 255, 0.35); }
  40% { box-shadow: 0 10px 24px rgba(0, 212, 255, 0.5); }
  60% { box-shadow: 0 8px 22px rgba(0, 212, 255, 0.35); }
  80% { box-shadow: 0 10px 24px rgba(0, 212, 255, 0.5); }
  100% { box-shadow: 0 10px 24px rgba(0, 212, 255, 0.5); }
}

.nexoralogo {
  display: block;
  width: 100%;
  max-width: 400px;
  height: auto;
  margin: 0 auto -20px;
}

.nexh1 {
   font-size: clamp(2.2rem, 6vw, 5.5rem);
  background: linear-gradient(90deg, #49e8ff, #1676ff, #d6f7ff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-weight: bolder;
  margin-bottom: 10px;
  line-height: 0.9; 
  font-family: Sora, sans-serif;
}

.nexh3 {
  color: #bebebe;
  font-size: 1.7rem;
  margin-bottom: 15px;
  font-style: italic;
  font-family: Sora, sans-serif;
}

.descripcion {
  color: #b8c9d8;
  font-size: 26px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.imagenes {
  position: relative;
  width: 90%;
  height: 350px;
  overflow: hidden;
  margin: 30px auto;
  border-radius: 12px;
}

.slide {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  animation: cambio 15s infinite;
}

@keyframes cambio {
  0% { opacity: 0; }
  10% { opacity: 1; }
  30% { opacity: 1; }
  40% { opacity: 0; }
  100% { opacity: 0; }
}

.img1 { animation-delay: 0s; }
.img2 { animation-delay: 5s; }
.img3 { animation-delay: 10s; }

.servicios {
  font-family: Sora, sans-serif;
  margin-top: 30px;
  text-align: left;
}

.servicios h2 {
  margin-bottom: 18px;
  font-size: 2rem;
  color: #eaf7ff;
}

.servicios-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.servicio-tarjeta {
  background: #111a2e;
  border: 1px solid #1e2a45;
  border-radius: 14px;
  padding: 20px 18px 18px;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.04);
}

.servicio-icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  border-radius: 12px;
  background: rgba(73, 232, 255, 0.08);
  border: 1px solid rgba(73, 232, 255, 0.24);
  color: #7fe8ff;
}

.servicio-icon svg {
  width: 24px;
  height: 24px;
  stroke: currentColor;
}

.servicio-tarjeta h3 {
  margin-bottom: 8px;
  font-size: 1.2rem;
  color: #f3f8ff;
}

.servicio-tarjeta p {
  color: #b8c9d8;
  line-height: 1.5;
  font-size: 1rem;
}

.btn {
  margin-top: 60px;
}

@media (max-width: 768px) {
  .presentacion {
    width: 90%;
    transform: scale(1);
    margin-top: 20px;
  }

  .nexh1 {
    font-size: 3.2rem;
  }

  .descripcion {
    width: 100%;
    font-size: 1.1rem;
  }

  .imagenes {
    width: 100%;
    height: 240px;
  }

  .servicios-grid {
    grid-template-columns: 1fr;
  }
}

.btn button {
  width: 200px;
  transform: scale(1.5) translateY(-13px);
  background: linear-gradient(135deg, #00d4ff, #7a5cff);
  color: white;
  border: none;
  border-radius: 999px;
  padding: 14px 30px;
  font-weight: 700;
  letter-spacing: 1px;
  cursor: pointer;
  box-shadow: 0 8px 22px rgba(0, 212, 255, 0.35);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn button:hover {
  transform: scale(1.6) translateY(-15px);
  box-shadow: 0 12px 30px rgba(0, 212, 255, 0.5);
}

.footer {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 20px 0 30px;
  color: #dfeaf7;
  text-align: center;
}

.footer .socials {
  display: flex;
  justify-content: center;
  gap: 14px;
}

.footer a {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: #111a2e;
  border: 1px solid #1e2a45;
  color: #7fe8ff;
  transition: transform .2s ease;
}

.footer a:hover {
  transform: translateY(-2px);
}

.footer svg {
  width: 22px;
  height: 22px;
  stroke: currentColor;
}