:root {
  --glass-bg: rgba(255, 255, 255, 0.1);
  --glass-border: rgba(255, 255, 255, 0.2);
  --glass-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

/* Glass effect base styles */
.glass-effect {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
}

/* Header */
.header {
  /* background: var(--glass-bg); */
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--glass-border);
}

/* Promo cards */
.promo-item {
  background: var(--glass-bg);
  backdrop-filter: blur(8px);
  border: 1px solid var(--glass-border);
  border-radius: 15px;
  transition: transform 0.3s ease;
}

.promo-item:hover {
  transform: translateY(-5px);
}

/* Navigation menu */
.navbar {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
}

/* Footer */
.footer1 {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
}

/* Mobile menu */
.sidenav {
  background: var(--glass-bg);
  backdrop-filter: blur(15px);
}

/* Buttons */
.btn-custom-sm {
  background: var(--glass-bg);
  backdrop-filter: blur(5px);
  border: 1px solid var(--glass-border);
  transition: all 0.3s ease;
}

.btn-custom-sm:hover {
  background: rgba(255, 255, 255, 0.2);
}

.modal-content {
  background: var(--glass-bg);
  backdrop-filter: blur(15px);
  border: 1px solid var(--glass-border);
}