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


body{
    font-family: 'Segoe UI', sans-serif;
    background:#f4f7f5;
    color:#1f2d26;
    min-height:100vh;
    display:flex;
    flex-direction:column;
}


header{
    background:#123524;
    color:white;
    padding:18px 30px;
    display:flex;
    justify-content:space-between;
    align-items:center;
    flex-wrap:wrap;
}

.logo{
    font-size:1.2rem;
    font-weight:bold;
}

nav{
    display:flex;
    gap:15px;
}

nav a{
    color:white;
    text-decoration:none;
    transition:0.3s;
}

nav a:hover{
    opacity:0.7;
}


main{
    flex:1;
    padding:40px 20px;
}


.card{
    background:white;
    max-width:900px;
    margin:auto;
    padding:35px;
    border-radius:18px;
    box-shadow:0 5px 20px rgba(0,0,0,0.08);
}


h1,h2,h3{
    margin-bottom:20px;
    color:#123524;
}

input,
select{
    width:100%;
    padding:14px;
    margin-top:10px;
    margin-bottom:20px;
    border:1px solid #d0d7d3;
    border-radius:10px;
    outline:none;
    transition:0.3s;
}

input:focus,
select:focus{
    border-color:#1d5c3f;
}


button{
    background:#123524;
    color:white;
    border:none;
    padding:14px 22px;
    border-radius:10px;
    cursor:pointer;
    transition:0.3s;
    font-weight:bold;
}

button:hover{
    background:#1d5c3f;
}


footer{
    background:#123524;
    color:white;
    text-align:center;
    padding:18px;
    margin-top:auto;
}


@media(max-width:768px){

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

    nav{
        flex-direction:column;
    }

    .card{
        padding:25px;
    }

}