html, body {
  height: 100%;
  margin: 0;
  padding: 0;
  background: #ffffff;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: #888;
}

/* ======= Landing ======= */
.container {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: center;
  padding-top: 80px;
}

.logo {
  width: 800px;
  max-width: 95%;
  height: auto;
  display: block;
  margin-bottom: 0px;
  filter: drop-shadow(0 0 20px rgba(0, 0, 0, 0.2))
          drop-shadow(0 0 40px rgba(0, 0, 0, 0.1));
  animation: float 4s ease-in-out infinite;
  transition: transform 0.3s ease, filter 0.3s ease;
}

.logo:hover {
  transform: scale(1.05);
  filter: drop-shadow(0 0 25px rgba(0, 0, 0, 0.3))
          drop-shadow(0 0 50px rgba(0, 0, 0, 0.15));
}

@keyframes float {
  0%   { transform: translateY(0px); }
  50%  { transform: translateY(-12px); }
  100% { transform: translateY(0px); }
}

h1 {
  font-size: 3.5rem;
  color: #aaa;
  margin-top: -100px;
  margin-bottom: 0px;
}

p {
  font-size: 1.6rem;
  color: #999;
  margin-top: 0px;
  margin-bottom: 10px;
}

/* ======= Botón ======= */
.glass-btn {
  margin-top: 10px;
  padding: 18px 50px;
  font-size: 1.3rem;
  font-weight: 600;
  color: #444;
  background: rgba(255, 255, 255, 0.25); /* efecto cristal */
  border: none; /* sin borde */
  border-radius: 15px;
  backdrop-filter: blur(15px) brightness(1.1);
  -webkit-backdrop-filter: blur(15px) brightness(1.1);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15); /* sombra elegante */
  transition: all 0.3s ease;
  cursor: pointer;
}

.glass-btn:hover {
  background: rgba(255, 255, 255, 0.35); /* sutil cambio de opacidad */
  transform: scale(1.05); /* movimiento */
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2); /* sombra un poco más fuerte */
}

footer {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  text-align: center;
  font-size: 0.9rem;
  color: #aaa;
  padding: 15px 0;
  background: transparent;
}

/* ======= Registro/Login ======= */
.registro-wrapper {
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px;
}

.registro-container {
  background: rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(15px) brightness(1.1);
  -webkit-backdrop-filter: blur(15px) brightness(1.1);
  border-radius: 20px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.2);
  padding: 40px 30px;
  width: 400px;
  text-align: center;
}

.logo-registro {
  width: 300px;
  max-width: 80%;
  margin: 0 auto 25px auto;
  display: block;
  filter: drop-shadow(0 0 15px rgba(0,0,0,0.15));
  animation: float 4s ease-in-out infinite;
  transition: transform 0.3s ease, filter 0.3s ease;
}

.logo-registro:hover {
  transform: scale(1.05);
  filter: drop-shadow(0 0 20px rgba(0,0,0,0.3));
}

.registro-container h1 {
  font-size: 2.2rem;
  color: #555;
  margin: 10px 0 10px 0;
}

.subtitulo {
  font-size: 1.1rem;
  color: #777;
  margin-bottom: 25px;
}

.registro-form {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.registro-form input {
  padding: 14px;
  border-radius: 10px;
  border: 1px solid #ddd;
  font-size: 1rem;
  outline: none;
  transition: all 0.3s ease;
  background: rgba(255,255,255,0.9);
}

.registro-form input:focus {
  border-color: #0085FF; /* azul nube */
  box-shadow: 0 0 8px rgba(0,133,255,0.3); /* tenue azul */
}

.registro-form button {
  margin-top: 10px;
}

/* ======= Links de navegación ======= */
.auth-link {
  margin-top: 15px;
  font-size: 0.95rem;
  color: #555;
}

.auth-link a {
  color: #0085FF; /* azul nube */
  text-decoration: none;
  font-weight: 600;
  transition: color 0.3s ease;
}

.auth-link a:hover {
  color: #005bb5; /* azul más oscuro, discreto */
  text-decoration: underline;
}