/* Himalayan weather — light rain + gentle snowfall */
.weather-fx {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 999;
  overflow: hidden;
}

.weather-rain,
.weather-snow {
  position: absolute;
  inset: 0;
}

/* Soft mountain mist at top */
.weather-fx::before {
  content: '';
  position: absolute;
  inset: 0 0 55% 0;
  background: linear-gradient(
    180deg,
    rgba(180, 198, 220, 0.07) 0%,
    rgba(200, 215, 235, 0.03) 40%,
    transparent 100%
  );
  pointer-events: none;
}

/* Rain streaks */
.rain-drop {
  position: absolute;
  top: -30px;
  width: 1px;
  height: var(--rain-len, 16px);
  background: linear-gradient(
    to bottom,
    transparent,
    rgba(160, 185, 215, 0.15),
    rgba(140, 170, 210, var(--rain-opacity, 0.35))
  );
  border-radius: 1px;
  animation: rain-fall var(--rain-duration, 0.85s) linear infinite;
  animation-delay: var(--rain-delay, 0s);
  will-change: transform;
}

@keyframes rain-fall {
  0%   { transform: translateY(-8vh) translateX(0); opacity: 0; }
  8%   { opacity: 1; }
  100% { transform: translateY(108vh) translateX(-28px); opacity: 0.3; }
}

/* Snowflakes */
.snowflake {
  position: absolute;
  top: -12px;
  width: var(--snow-size, 4px);
  height: var(--snow-size, 4px);
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #fff 0%, rgba(255, 255, 255, 0.75) 100%);
  box-shadow: 0 0 4px rgba(255, 255, 255, 0.45);
  opacity: 0;
  animation: snow-fall var(--snow-duration, 14s) ease-in-out infinite;
  animation-delay: var(--snow-delay, 0s);
  will-change: transform;
}

@keyframes snow-fall {
  0%   { transform: translate(0, -5vh); opacity: 0; }
  6%   { opacity: var(--snow-opacity, 0.65); }
  25%  { transform: translate(calc(var(--snow-drift, 30px) * 0.3), 28vh); }
  50%  { transform: translate(calc(var(--snow-drift, 30px) * -0.25), 52vh); }
  75%  { transform: translate(calc(var(--snow-drift, 30px) * 0.4), 78vh); }
  94%  { opacity: var(--snow-opacity, 0.65); }
  100% { transform: translate(var(--snow-drift, 30px), 108vh); opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .weather-fx { display: none; }
}

@media (max-width: 768px) {
  .rain-drop { opacity: 0.85; }
  .snowflake { box-shadow: 0 0 2px rgba(255, 255, 255, 0.35); }
}