*{
    margin:0;
    padding:0;
    box-sizing:border-box;
}

body{
    font-family:"Segoe UI",Arial,sans-serif;
    background:linear-gradient(135deg,#081c15,#1b4332,#2d6a4f);
    min-height:100vh;
    color:#222;
}

.wrapper{
    max-width:1300px;
    margin:40px auto;
    padding:0 20px;
}

.card{
    background:#fff;
    border-radius:18px;
    overflow:hidden;
    box-shadow:0 20px 50px rgba(0,0,0,.30);
}

.header{
    background:#f8fbf8;
    text-align:center;
    padding:40px;
    border-bottom:1px solid #dbe7de;
}

.header img{
    width:120px;
    margin-bottom:15px;
}

.header h1{
    color:#1b4332;
    font-size:34px;
}

.header h2{
    margin-top:8px;
    color:#52796f;
    font-weight:400;
}

.nav{
    display:flex;
    justify-content:center;
    flex-wrap:wrap;
    gap:12px;
    padding:18px;
    background:#edf3ef;
}

.nav a{
    text-decoration:none;
    color:#fff;
    background:#2d6a4f;
    padding:10px 18px;
    border-radius:8px;
    font-weight:600;
    transition:.2s;
}

.nav a:hover{
    background:#1b4332;
}

.content{
    padding:35px;
}

.footer{
    background:#edf3ef;
    text-align:center;
    padding:18px;
    color:#666;
}

/*************** TABELE ****************/

table{
    width:100%;
    border-collapse:collapse;
}

th{
    background:#2d6a4f;
    color:white;
    text-align:left;
    padding:14px;
}

td{
    padding:14px;
    border-bottom:1px solid #dbe7de;
}

tr:nth-child(even){
    background:#f8fbf8;
}

tr:hover{
    background:#eef7f1;
}

/*************** ZARZĄD ****************/

.zarzad td:first-child{
    width:40%;
    font-weight:bold;
    color:#1b4332;
}

/*************** SEKCJE ****************/

.section{
    margin-bottom:35px;
}

.section h3{
    background:#2d6a4f;
    color:white;
    padding:12px 16px;
    border-radius:6px;
    margin-bottom:10px;
}

/*************** KARTY ****************/

.grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
    gap:20px;
}

.box{
    background:#f8fbf8;
    border:1px solid #dbe7de;
    border-radius:10px;
    padding:20px;
}

.box h3{
    color:#1b4332;
    margin-bottom:12px;
}

/*************** RESPONSYWNOŚĆ ****************/

@media(max-width:768px){

.wrapper{

    margin:20px auto;

}

.header{

    padding:30px 20px;

}

.header h1{

    font-size:28px;

}

.content{

    padding:20px;

}

.nav{

    flex-direction:column;

}

.nav a{

    text-align:center;

}

}