body {
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    animation: backgroundAnimation 15s ease infinite;
}

@keyframes backgroundAnimation {
    0% { background-position: 0 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0 50%; }
}

.skills-container {
    width: 80%;
    max-width: 800px;
    margin: 0 auto;
}

.skill-levels {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
}

.level {
    font-size: 1em;
    color: white;
    width: 33%;
    text-align: center;
    position: relative;
}

.skill {
    margin: 20px 0;
    opacity: 0;
    transform: translateX(0);
    animation-duration: 1s;
    animation-fill-mode: forwards;
    animation-timing-function: ease-out;
}

@keyframes slideInLeft {
    from { transform: translateX(-100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

@keyframes slideInRight {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

.slide-in-left {
    animation-name: slideInLeft;
}

.slide-in-right {
    animation-name: slideInRight;
}

.skill-name {
    font-size: 1.5em;
    color: white;
    margin-bottom: 10px;
}

.progress-bar {
    width: 100%;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 25px;
    overflow: hidden;
    position: relative;
}

.progress {
    height: 30px;
    width: 0;
    background-color: green;
    text-align: right;
    line-height: 30px;
    padding-right: 10px;
    color: white;
    font-weight: bold;
    border-radius: 25px 0 0 25px;
    white-space: nowrap;
    transition: width 2s ease-in-out, opacity 0.5s ease;
    opacity: 0;
}