body{
    background:#050505;
    color:#00ff66;
    font-family: "Courier New", monospace;
    margin:0;
    padding:20px;
    text-shadow:0 0 4px #00ff66;
}

/* efeito scanline */
body::before{
    content:"";
    position:fixed;
    top:0;
    left:0;
    width:100%;
    height:100%;
    background:
    repeating-linear-gradient(
        to bottom,
        rgba(0,255,0,0.03),
        rgba(0,255,0,0.03) 1px,
        transparent 1px,
        transparent 3px
    );
    pointer-events:none;
}

.container{
    max-width:1400px;
    margin:auto;
}

/* topo */

.topbar{
    border:1px solid #00ff66;
    padding:10px;
    margin-bottom:20px;
    display:flex;
    justify-content:space-between;
    flex-wrap:wrap;
}

.logo{
    font-size:42px;
    font-weight:bold;
    margin:20px 0 5px 0;
}

.subtitle{
    color:#66ff99;
    margin-bottom:25px;
}

/* menu */

.menu{
    border-top:1px dashed #00ff66;
    border-bottom:1px dashed #00ff66;
    padding:15px 0;
    margin-bottom:25px;
}

.menu a{
    color:#00ff66;
    text-decoration:none;
    margin-right:25px;
}

.menu a:hover{
    color:white;
}

/* grid */

.grid{
    display:grid;
    grid-template-columns:2fr 1fr;
    gap:20px;
}

.box{
    border:1px solid #00ff66;
    padding:20px;
    margin-bottom:20px;
    background:rgba(0,0,0,0.4);
}

.box h2{
    margin-top:0;
    font-size:20px;
    border-bottom:1px dashed #00ff66;
    padding-bottom:10px;
}

/* ferramentas */

.tools{
    display:grid;
    grid-template-columns:repeat(2,1fr);
    gap:15px;
}

.tool{
    border:1px solid #008844;
    padding:15px;
}

.tool:hover{
    background:#001a0d;
    cursor:pointer;
}

/* terminal */

.terminal{
    line-height:1.8;
    white-space:pre-line;
}

/* footer */

.footer{
    margin-top:40px;
    border-top:1px dashed #00ff66;
    padding-top:20px;
    text-align:center;
    color:#66ff99;
}

.cursor{
    animation:blink 1s infinite;
}

@keyframes blink{
    50%{
        opacity:0;
    }
}

/* responsivo */

@media(max-width:900px){

.grid{
    grid-template-columns:1fr;
}

.tools{
    grid-template-columns:1fr;
}

.logo{
    font-size:28px;
}

}