body{

    margin:0;

    font-family:Arial, sans-serif;

    color:#2c3e50;

    background-image:

        linear-gradient(
            rgba(255,255,255,0.81),
            rgba(255,255,255,0.81)
        ),

        url("https://was-mit-was.sehe-es-positiv.de/files/links_01.jpg"),

        url("https://was-mit-was.sehe-es-positiv.de/files/rechts_01.jpg");

    background-position:

        center,
        left top,
        right top;

    background-repeat:

        no-repeat,
        repeat-y,
        repeat-y;

    background-size:

        100% 100%,
        250px auto,
        250px auto;

}

/*
         background-image:
        linear-gradient(
            rgba(255,255,255,0.01),
            rgba(255,255,255,0.01)
        ),
        url("https://was-mit-was.sehe-es-positiv.de/files/hint-A4-01d.jpg");
     background-position:left;
     background-repeat:repeat;
 */

.wrapper{

    max-width:900px;

    margin:auto;

    background:white;

}

/*
        url("https://was-mit-was.sehe-es-positiv.de/files/hint-A4-01d.jpg");
        url("../was-mit-was.sehe-es-positiv.de/files/hint-A4-01d.jpg");
 */
header{
    background:white;
    box-shadow:0 2px 15px rgba(0,0,0,0.06);
    padding:22px 40px;
    display:flex;
    justify-content:space-between;
    align-items:center;
}

.logo{
    font-size:26px;
    font-weight:bold;
    color:#1f7a5c;
}

nav a{
    margin-left:22px;
    text-decoration:none;
    color:#2c3e50;
    font-weight:bold;
}

nav a:hover{
    color:#1f7a5c;
}

.hero{
    max-width:1000px;
    margin:70px auto 40px auto;
    padding:0 25px;
    text-align:center;
}

.hero h1{
    font-size:44px;
    margin-bottom:20px;
}

.hero p{
    font-size:21px;
    line-height:1.7;
    color:#555;
}

.projects{
    max-width:1000px;
    margin:40px auto 80px auto;
    padding:0 25px;
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
    gap:30px;
}

.card{
    background:white;
    border-radius:24px;
    padding:35px;
    box-shadow:0 0 25px rgba(0,0,0,0.08);
    text-align:center;
}

.circle{
    width:80px;
    height:80px;
    margin:0 auto 20px auto;
    border-radius:50%;
    background:#d5f5e3;
    color:#1f7a5c;
    display:flex;
    align-items:center;
    justify-content:center;
    font-size:34px;
    font-weight:bold;
}

.card h2{
    font-size:27px;
    margin-bottom:15px;
}

.card p{
    font-size:17px;
    line-height:1.6;
    color:#555;
}

.button{
    display:inline-block;
    margin-top:20px;
    background:#1f7a5c;
    color:white;
    padding:15px 28px;
    border-radius:12px;
    text-decoration:none;
    font-weight:bold;
}

.button:hover{
    background:#17664c;
}

footer{
    background:#2c3e50;
    color:white;
    text-align:center;
    padding:35px 20px;
    font-size:14px;
}

footer a{
    color:white;
    margin:0 10px;
    text-decoration:none;
}

footer a:hover{
    text-decoration:underline;
}

@media(max-width:700px){

    header{
        flex-direction:column;
        gap:15px;
    }

    nav a{
        display:inline-block;
        margin:8px;
    }

    .hero h1{
        font-size:34px;
    }
}