/* Атмосферные эффекты */
.atmospheric-effects {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
    overflow: hidden;
}

.dust-particles {
    position: absolute;
    width: 100%;
    height: 100%;
}

.dust-particle {
    position: fixed;
    background: rgba(248, 250, 252, 0.18);
    border-radius: 50%;
    animation: dustFloat ease-in-out infinite;
    filter: blur(0.5px);
    pointer-events: none;
    will-change: transform, opacity;
    opacity: 0;
}

.ash-particle {
    position: fixed;
    background: rgba(214, 148, 13, 0.25);
    border-radius: 50%;
    animation: ashFall ease-in-out infinite;
    filter: blur(1px);
    pointer-events: none;
    will-change: transform, opacity;
    opacity: 0;
}

.spark-particle {
    position: fixed;
    background: #ff7f50;
    border-radius: 50%;
    animation: sparkFloat ease-in-out infinite;
    box-shadow: 0 0 8px #ff7f50;
    pointer-events: none;
    will-change: transform, opacity;
    opacity: 0;
}

@keyframes dustFloat {
    0% {
        transform: translateY(0px) translateX(0px);
        opacity: 0;
    }
    10% {
        opacity: 0.3;
    }
    50% {
        transform: translateY(-30px) translateX(15px);
        opacity: 1;
    }
    90% {
        opacity: 0.3;
    }
    100% {
        transform: translateY(0px) translateX(0px);
        opacity: 0;
    }
}

@keyframes ashFall {
    0% {
        transform: translateY(0px) translateX(0px);
        opacity: 0;
    }
    10% {
        opacity: 0.2;
    }
    50% {
        transform: translateY(-25px) translateX(10px);
        opacity: 0.8;
    }
    90% {
        opacity: 0.2;
    }
    100% {
        transform: translateY(0px) translateX(0px);
        opacity: 0;
    }
}

@keyframes sparkFloat {
    0% {
        transform: translateY(0px) translateX(0px);
        opacity: 0;
    }
    10% {
        opacity: 0.3;
    }
    50% {
        transform: translateY(-20px) translateX(10px);
        opacity: 1;
    }
    90% {
        opacity: 0.3;
    }
    100% {
        transform: translateY(0px) translateX(0px);
        opacity: 0;
    }
}

/* Фоновый слайдер */
.hero-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.hero-bg-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 2s ease-in-out;
}

.hero-bg-slide.active {
    opacity: 1;
}

.hero-bg-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        135deg,
        rgba(26, 28, 34, 0.85) 0%,
        rgba(15, 17, 21, 0.9) 100%
    );
}