@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');

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

body{
    font-family:'Poppins', sans-serif;
    background:linear-gradient(to bottom, #dff6ff, #ffffff);
    color:#033b4a;
    line-height:1.7;
}

/* HEADER */

header{
    position:fixed;
    top:0;
    width:100%;
    background:rgba(0, 153, 204, 0.95);
    backdrop-filter:blur(10px);
    color:white;
    padding:15px 20px;
    z-index:1000;
    box-shadow:0 4px 12px rgba(0,0,0,0.2);
}

header h1{
    text-align:center;
    font-size:2rem;
    letter-spacing:1px;
    margin-bottom:10px;
}

/* NAVIGATIE */

nav ul{
    display:flex;
    justify-content:center;
    align-items:center;
    flex-wrap:wrap;
    list-style:none;
}

nav ul li{
    margin:8px 15px;
}

nav ul li a{
    text-decoration:none;
    color:white;
    font-weight:600;
    padding:10px 18px;
    border-radius:30px;
    transition:0.3s;
}

nav ul li a:hover{
    background:white;
    color:#0099cc;
    transform:translateY(-2px);
}

/* MAIN */

main{
    margin-top:190px;
    padding:30px;
}

/* SECTIES */

section{
    margin-bottom:50px;
}

/* CARDS */

.card{
    background:white;
    padding:30px;
    border-radius:20px;
    box-shadow:0 10px 25px rgba(0,0,0,0.1);
    transition:0.3s;
}

.card:hover{
    transform:translateY(-5px);
    box-shadow:0 15px 30px rgba(0,0,0,0.15);
}

.card h2{
    margin-bottom:15px;
    color:#0099cc;
    font-size:2rem;
}

/* HERO FOTO */

.hero{
    overflow:hidden;
    border-radius:20px;
    box-shadow:0 10px 30px rgba(0,0,0,0.2);
}

.hero img{
    width:100%;
    height:auto;
    display:block;
    transition:transform 0.5s;
}

.hero img:hover{
    transform:scale(1.03);
}

/* GALERIJ */

.gallery{
    display:grid;
    grid-template-columns:repeat(auto-fit, minmax(280px,1fr));
    gap:25px;
}

.gallery picture{
    overflow:hidden;
    border-radius:20px;
    box-shadow:0 8px 20px rgba(0,0,0,0.15);
}

.gallery img{
    width:100%;
    height:100%;
    object-fit:cover;
    transition:0.4s;
}

.gallery img:hover{
    transform:scale(1.08);
}

/* LIJSTEN */

ul{
    padding-left:20px;
}

ul li{
    margin-bottom:10px;
}

/* FORMULIER */

form{
    background:white;
    padding:35px;
    border-radius:20px;
    box-shadow:0 10px 25px rgba(0,0,0,0.1);
}

form h2{
    text-align:center;
    color:dark blue;
    margin-bottom:20px;
}

form label{
    display:block;
    margin-top:15px;
    font-weight:600;
}

form input,
form select,
form textarea{
    width:100%;
    padding:12px;
    margin-top:6px;
    border-radius:10px;
    border:1px solid #ccc;
    font-size:1rem;
    transition:0.3s;
}

form input:focus,
form select:focus,
form textarea:focus{
    border-color:#0099cc;
    outline:none;
    box-shadow:0 0 8px rgba(0,153,204,0.3);
}

/* RADIO & CHECKBOX */

.radio-group,
.checkbox-group{
    margin-top:10px;
}

.radio-group input,
.checkbox-group input{
    width:auto;
    margin-right:10px;
}

.radio-group label,
.checkbox-group label{
    display:inline;
    font-weight:400;
}

/* BUTTON */

button{
    margin-top:25px;
    width:100%;
    padding:14px;
    background:linear-gradient(to right, #0099cc, #00bfff);
    color:white;
    border:none;
    border-radius:12px;
    font-size:1rem;
    font-weight:bold;
    cursor:pointer;
    transition:0.3s;
}

button:hover{
    transform:translateY(-2px);
    box-shadow:0 8px 15px rgba(0,153,204,0.3);
}

/* FOOTER */

footer{
    background:#003344;
    color:white;
    text-align:center;
    padding:20px;
    margin-top:40px;
}

/* RESPONSIVE */

@media(max-width:768px){

    header h1{
        font-size:1.5rem;
    }

    nav ul{
        flex-direction:column;
    }

    nav ul li{
        margin:5px 0;
    }

    main{
        margin-top:260px;
        padding:15px;
    }

    .card,
    form{
        padding:20px;
    }
}