body{
    font-family: 'Arial', sans-serif;
    margin: 0;
    padding: 0;
    background-color: #000;
    color: #fff;
    line-height: 1.6;
}

header{
    background-color: #0d0d0d;
    padding: 15px 20px;
    border-bottom: 1px solid #333;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
}

.header-content{
    display: flex;
    align-items: center;
    gap: 15px;
}

.header-logoa{
    height: 40px;
    width: auto;
}

.header h1{
    margin: 0;
    font-size: 2em;
    color: #00ff00;
    text-shadow: 0 0 5px #00ff00;
}

.grid-container{
    display: grid;
    grid-template-columns: repeat(auto-fit,minmax(300px,1fr));
    gap: 20px;
    padding: 20px;
    max-width: 1200px;
    margin: 20px auto;
}

.grid-item{
    background-color: #1a1a1a;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 8px rgba(0,0,0,0.4);
    text-align: center;
    position: relative;
    transition: transform 0.3s ease, box-shadow 0.3 ease;
}

.grid-item:hover{
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0,255,0,0.6);
}

.grid-item img{
    width: 100%;
    height: 250px;
    object-fit: cover;
    display: block;
}

.year-button{
    display: block;
    background-color: #00ff00;
    color: #000;
    padding: 12px 0;
    text-decoration: none;
    font-size: 1.2em;
    font-weight: bold;
    border-radius: 0 0 8px 8px;
    transition: background-color 0.3 ease, color 0.3s ease, box-shadow 0.3s ease;
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    box-sizing: border-box;
    opacity: 0;
    transform: translateY(100%);
}

.grid-item:hover .year-button{
    opacity: 1;
    transform: translateY(0);
}

.year-button:hover{
    background-color: #00cc00;
    color: #fff;
    box-shadow: 0 0 15px #00ff00;
}

@media(max-width:768px){
    header h1{
        font-size: 1.5em;
    }
    .grid-container{
        grid-template-columns: 1fr;
        padding: 15px;
    }
    .grid-item img{
        height: 200px;
    }
    .year-button{
        font-size: 1em;
        padding: 10px 0;
    }
}

@media(max-width:480px){
    header{
        flex-direction: column;
        text-align: center;
    }

    .header-content{
        flex-direction: column;
    }
    .header-logo{
        height: 30px;
    }
    header h1{
        font-size: 1.2em;
    }
    .grid-item img{
        height: 180px;
    }
}