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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    color: #263238;
    line-height: 1.7;
    background: white;
}


/* ================= HEADER ================= */

header {
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    z-index: 1000;
    background: rgba(255,255,255,0.95);
    box-shadow: 0 2px 15px rgba(0,0,0,0.08);
    transition: transform 0.3s ease;
}

header.hide {
    transform: translateY(-100%);
}


nav {
    max-width:1200px;
    margin:auto;
    padding:15px 30px;
    display:flex;
    align-items:center;
    justify-content:space-between;
}


.logo {
    color:#12355B;
    font-size:22px;
    font-weight:700;
}


.logo span {
    display:block;
    font-size:13px;
    font-weight:400;
}


.header-logo {
    width:80px;
    height:auto;
}


/* ================= MENU ================= */

.nav-menu {
    display:flex;
    list-style:none;
    gap:25px;
}


.nav-menu a,
.language a {
    text-decoration:none;
    color:#12355B;
    font-weight:500;
}


.language a {
    color:#6CBF84;
    font-weight:600;
}


.menu-toggle {
    display:none;
    background:none;
    border:none;
    font-size:30px;
    color:#12355B;
    cursor:pointer;
}


.language-mobile {
    display:none;
}



/* ================= HERO ================= */

.hero {
    min-height:100vh;
    padding:140px 8% 80px;
    display:flex;
    align-items:center;
    gap:60px;
    background:linear-gradient(135deg,#EAF4FF,#ffffff);
}


.hero-text {
    flex:1;
}


.hero-text h1 {
    font-size:45px;
    line-height:1.2;
    color:#12355B;
    margin-bottom:25px;
}


.hero-text p {
    font-size:18px;
}


.hero-image {
    flex:1;
    display:flex;
    justify-content:center;
}


.profile-photo {
    width:350px;
    height:350px;
    object-fit:cover;
    object-position:center 25%;
    border-radius:50%;
    box-shadow:0 10px 30px rgba(0,0,0,0.15);
}



/* ================= BUTTON ================= */

.button {
    display:inline-block;
    margin-top:30px;
    padding:15px 35px;
    background:#12355B;
    color:white;
    border-radius:30px;
    text-decoration:none;
}


.button:hover {
    background:#6CBF84;
}



/* ================= SECTIONS ================= */

section {
    max-width:1200px;
    margin:auto;
    padding:100px 40px;
}


h2 {
    font-size:35px;
    color:#12355B;
    margin-bottom:30px;
}


h3 {
    color:#12355B;
}



/* ================= CARDS ================= */

.cards {
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
    gap:25px;
    margin-top:40px;
}


.card {
    background:white;
    padding:30px;
    border-radius:20px;
    box-shadow:0 10px 30px rgba(0,0,0,0.08);
    display:flex;
    flex-direction:column;
}



/* ================= ICONEN ================= */

.card img.education-icon {
    margin-top:auto;
    width:160px !important;
    height:160px !important;
    max-width:none !important;
    max-height:none !important;
    object-fit:contain;
    display:block;
    margin-left:auto;
    margin-right:auto;
    transform:translateY(10px);
}



/* ================= LISTS ================= */

ul {
    margin:20px 0 20px 25px;
}
```
```css
/* ================= CONTACT ================= */

.contact-box {
    background:#EAF4FF;
    padding:35px;
    border-radius:20px;
    max-width:600px;
}


.contact-box form {
    display:flex;
    flex-direction:column;
    gap:12px;
}


.contact-box input,
.contact-box textarea {
    width:100%;
    padding:12px;
    border:1px solid #ddd;
    border-radius:10px;
    font-family:'Poppins',sans-serif;
}


.contact-box button {
    margin-top:15px;
    padding:14px 30px;
    background:#12355B;
    color:white;
    border:none;
    border-radius:30px;
    cursor:pointer;
}


.contact-box button:hover {
    background:#6CBF84;
}



/* ================= PRIVACY ================= */

#privacy h3 {
    margin-top:35px;
    margin-bottom:15px;
}


#privacy p {
    margin-bottom:15px;
}



/* ================= FOOTER ================= */

footer {
    background:#12355B;
    color:white;
    text-align:center;
    padding:40px;
}



/* ================= MOBIEL ================= */

@media(max-width:900px) {


    nav {
        padding:15px 20px;
    }


    .menu-toggle {
        display:block;
    }


    .nav-menu {

        display:none;
        position:absolute;
        top:75px;
        left:0;
        width:100%;
        background:white;
        flex-direction:column;
        text-align:center;
        padding:25px 0;
        box-shadow:0 10px 25px rgba(0,0,0,0.1);

    }


    .nav-menu.active {
        display:flex;
    }


    .nav-menu li {
        margin:10px 0;
    }


    .language {
        display:none;
    }


    .language-mobile {
        display:block;
    }



    /* HERO */

    .hero {

        min-height:auto;
        padding:120px 25px 70px;
        flex-direction:column-reverse;
        text-align:center;

    }


    .hero-text h1 {
        font-size:32px;
    }


    .hero-text p {
        font-size:16px;
    }


    .profile-photo {
        width:240px;
        height:240px;
    }



    /* SECTIONS */

    section {
        padding:70px 25px;
    }


    h2 {
        font-size:28px;
    }



    /* CARDS */

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



    .button {
        width:100%;
        max-width:300px;
    }



    /* ICONEN */

    .card img.education-icon {

        width:120px !important;
        height:120px !important;

    }

}



/* ================= SCROLL ANIMATIES MOBIEL ================= */

@media(max-width:900px) {


    /* Tandheelkundige behandelingen */
    #diensten .card {

        opacity:0;
        transform:translateX(-40px);
        transition:opacity 0.6s ease, transform 0.6s ease;

    }


    #diensten .card.show {

        opacity:1;
        transform:translateX(0);

    }



    /* Registratie */

    #registratie .card {

        opacity:0;
        transform:translateY(40px);
        transition:opacity 0.6s ease, transform 0.6s ease;

    }


    #registratie .card.show {

        opacity:1;
        transform:translateY(0);

    }



    /* Opleiding / Nascholing GEEN animatie */

    #opleiding .card {

        opacity:1;
        transform:none;
        transition:none;

    }



    /* vertraging */

    #diensten .card:nth-child(2),
    #registratie .card:nth-child(2) {

        transition-delay:0.15s;

    }


    #diensten .card:nth-child(3),
    #registratie .card:nth-child(3) {

        transition-delay:0.3s;

    }

}
```/* ================= MOBIELE ANIMATIES ================= */

@media(max-width:900px) {

    /* Tandheelkundige behandelingen */
    #diensten .card {
        opacity: 0;
        transform: translateX(-40px);
        transition: all 0.6s ease;
    }

    #diensten .card.show {
        opacity: 1;
        transform: translateX(0);
    }


    /* Registratie */
    #registratie .card {
        opacity: 0;
        transform: translateY(40px);
        transition: all 0.6s ease;
    }

    #registratie .card.show {
        opacity: 1;
        transform: translateY(0);
    }

}


/* ================= LAPTOP/DESKTOP GEEN ANIMATIES ================= */

@media(min-width:901px) {

    #diensten .card,
    #registratie .card,
    #opleiding .card {
        opacity: 1;
        transform: none;
        transition: none;
    }

}
/* Nascholing altijd zichtbaar */
#opleiding .card {
    opacity: 1;
    transform: none;
    transition: none;
}