/* weight: Use a value from 100 to 700 */
.roboto-mono {
  font-family: 'Roboto Mono', monospace;
  font-optical-sizing: auto;
  font-weight: 100;
  font-style: normal;
}

/* weight: Use a value from 300 to 800 */
.open-sans {
  font-family: 'Open Sans', sans-serif;
  font-optical-sizing: auto;
  font-weight: 300;
  font-style: normal;
  font-variation-settings: 'wdth' 100;
}

/* Header centrado y fijo */
.glass-header {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  width: 30%;
  min-width: 320px;
  z-index: 1000;

  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);

  border-radius: 16px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
}

/* Contenido interno */
.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 14px;
}

/* Logo */
.logo {
  font-size: 1.4rem;
  font-weight: 600;
  color: #000000;
}

/* Navegación */
.nav a {
  margin-left: 18px;
  text-decoration: none;
  color: #000000;
  font-size: 0.95rem;
  opacity: 0.85;
  transition: opacity 0.2s ease;
}

.nav a:hover {
  opacity: 1;
}