/* Дополнительные эффекты для фона */

/* Плавающие световые пятна */
.background-orbs {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.background-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.15;
    animation-timing-function: ease-in-out;
    animation-iteration-count: infinite;
}

.orb-1 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(52, 211, 153, 0.4), transparent);
    top: 10%;
    left: 20%;
    animation: float-orb-1 25s infinite;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(16, 185, 129, 0.3), transparent);
    top: 60%;
    right: 10%;
    animation: float-orb-2 30s infinite;
}

.orb-3 {
    width: 250px;
    height: 250px;
    background: radial-gradient(circle, rgba(5, 150, 105, 0.35), transparent);
    bottom: 20%;
    left: 50%;
    animation: float-orb-3 20s infinite;
}

@keyframes float-orb-1 {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    33% {
        transform: translate(50px, -30px) scale(1.1);
    }
    66% {
        transform: translate(-30px, 40px) scale(0.9);
    }
}

@keyframes float-orb-2 {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    33% {
        transform: translate(-60px, 50px) scale(0.95);
    }
    66% {
        transform: translate(40px, -40px) scale(1.05);
    }
}

@keyframes float-orb-3 {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    50% {
        transform: translate(30px, -50px) scale(1.15);
    }
}

/* Падающие снежинки на фоне - ненавязчивые */
.background-stars {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.star {
    position: absolute;
    color: rgba(255, 255, 255, 0.15);
    font-size: 10px;
    font-family: Arial, sans-serif;
    animation: gentle-fall linear infinite;
    text-shadow: none;
}

.star::before {
    content: '❄';
}

.star:nth-child(2n) {
    animation-delay: 0s;
    animation-duration: 15s;
    font-size: 8px;
    opacity: 0.6;
}

.star:nth-child(3n) {
    animation-delay: 5s;
    animation-duration: 18s;
    font-size: 12px;
    opacity: 0.4;
}

.star:nth-child(4n) {
    animation-delay: 10s;
    animation-duration: 20s;
    font-size: 9px;
    opacity: 0.5;
}

@keyframes gentle-fall {
    0% {
        transform: translateY(-10vh) translateX(0) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 0.2;
    }
    90% {
        opacity: 0.15;
    }
    100% {
        transform: translateY(110vh) translateX(30px) rotate(360deg);
        opacity: 0;
    }
}

/* Волновой эффект */
.background-waves {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 200px;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.wave {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 200%;
    height: 100%;
    background: linear-gradient(180deg, transparent, rgba(16, 185, 129, 0.02));
    animation: wave-motion 15s linear infinite;
}

.wave:nth-child(2) {
    animation-delay: -5s;
    opacity: 0.5;
}

@keyframes wave-motion {
    0% {
        transform: translateX(0) translateY(0);
    }
    100% {
        transform: translateX(-50%) translateY(-10px);
    }
}