/* Christmas Theme Overlay */
:root {
  --xmas-red: #d42426;
  --xmas-green: #165b33;
  --snow-color: #ffffff;
}

/* Snow Animation Container */
#snow-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 9999;
  overflow: hidden;
}

.snowflake {
  position: absolute;
  top: -10px;
  color: var(--snow-color);
  font-size: 1em;
  font-family: Arial, sans-serif;
  text-shadow: 0 0 5px #000;
  user-select: none;
  z-index: 9999;
  animation-name: fall;
  animation-timing-function: linear;
  animation-iteration-count: infinite;
}

@keyframes fall {
  0% { transform: translateY(0) rotate(0deg); opacity: 0.8; }
  100% { transform: translateY(100vh) rotate(360deg); opacity: 0; }
}

/* Festive Header Accent */
.site-header {
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 4px 30px rgba(212, 36, 38, 0.1);
}

.brand {
  position: relative;
}

.brand::after {
  content: '❄️';
  position: absolute;
  top: -10px;
  right: -15px;
  font-size: 1.2rem;
  animation: twinkle 2s infinite alternate;
}

@keyframes twinkle {
  from { opacity: 0.5; transform: scale(0.8); }
  to { opacity: 1; transform: scale(1.1); }
}

/* Festive Buttons */
.button-primary {
  background: linear-gradient(135deg, var(--gold), #f0e68c);
  position: relative;
  overflow: hidden;
}

.button-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
  animation: shine 3s infinite;
}

@keyframes shine {
  0% { left: -100%; }
  20% { left: 100%; }
  100% { left: 100%; }
}