.startbutcont {
    text-align: center;
}

.startbutton {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 5vmin 14vmin;
    font-size: 5.6vmin;
    text-transform: uppercase;
    letter-spacing: 0.4vmin;
    color: #fff;
    background: linear-gradient(45deg, var(--eco5), var(--eco3), var(--eco2));
    border: none;
    border-radius: 4vmin;
    cursor: pointer;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
    box-shadow: 
        0 2vmin 6vmin rgba(152, 196, 50, 0.3),
        0 0 0 0.2vmin rgba(255, 255, 255, 0.1);
    z-index: 1;
    transform: perspective(100vmin) rotateX(0deg);

    span{
        font-size: 5.6vmin;
    }
}

.startbutton::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: 0.5s;
    z-index: -1;
}

.startbutton:hover {
    transform: perspective(100vmin) rotateX(10deg) translateY(-1.6vmin) scale(1.22);
    box-shadow: 
        0 3vmin 8vmin (152, 196, 50, 0.3),
        0 0 0 0.2vmin rgba(255, 255, 255, 0.2);
    letter-spacing: 0.6vmin;
}

.startbutton:hover::before {
    left: 100%;
}

.startbutton:active {
    transform: perspective(100vmin) rotateX(10deg) translateY(-0.4vmin);
    box-shadow: 
        0 1vmin 4vmin (152, 196, 50, 0.3),
        0 0 0 0.2vmin rgba(255, 255, 255, 0.1);
}

.startbutton::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.1) 50%, transparent 70%);
    opacity: 0;
    transition: opacity 0.3s;
}

.startbutton:hover::after {
    opacity: 1;
    animation: shine 1.5s ease-in-out infinite;
}

@keyframes shine {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(100%);
    }
}

.pulse {
    display: block;
    width: 4vmin;
    height: 4vmin;
    border-radius: 50%;
    background: var(--eco3);
    position: absolute;
    top: 50%;
    right: 6vmin;
    transform: translateY(-50%);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(152, 196, 50, .7);
    }
    70% {
        box-shadow: 0 0 0 2vmin rgba(0, 230, 118, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(0, 230, 118, 0);
    }
}

.glow {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 3.6vmin;
    background: linear-gradient(45deg,  var(--eco5), var(--eco3), var(--eco2));
    filter: blur(4vmin);
    opacity: 0;
    z-index: -1;
    transition: opacity 0.4s;
}

.startbutton:hover .glow {
    opacity: 0.6;
}

h1 {
    color: var(--eco2);
    margin-bottom: 10vmin;
    font-size: 5.6vmin;
    letter-spacing: 0.2vmin;
    i{
        font-size: 4vmin;
    }
    span{
        font-size: 5.6vmin;
    }
}