@keyframes glow {
    0% {
        opacity: 0.3;
        transform: scale(0.9);
    }
    50% {
        opacity: 0.5;
        transform: scale(1.1);
    }
    100% {
        opacity: 0.3;
        transform: scale(0.9);
    }
}

.glow-effect {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120%;
    height: 120%;
    background: radial-gradient(
        circle,
        rgba(255, 0, 0, 0.3) 0%,
        rgba(255, 0, 0, 0.1) 40%,
        rgba(255, 0, 0, 0) 70%
    );
    z-index: 1;
    animation: glow 4s ease-in-out infinite;
    filter: blur(20px);
}

.phone-img {
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
    100% {
        transform: translateY(0px);
    }
}

.download-btn {
    position: relative;
    overflow: hidden;
}

.download-btn::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        to bottom right,
        rgba(255, 255, 255, 0) 0%,
        rgba(255, 255, 255, 0.1) 50%,
        rgba(255, 255, 255, 0) 100%
    );
    transform: rotate(45deg);
    transition: all 0.3s ease;
}

.download-btn:hover::after {
    transform: rotate(45deg) translate(50%, 50%);
}

.step {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.step:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(255, 0, 0, 0.1);
}

@media (prefers-reduced-motion: reduce) {
    .glow-effect,
    .phone-img,
    .download-btn::after,
    .step {
        animation: none;
        transition: none;
    }
}