:root {
    --cream: #FDFCFB;
    --soft-grey: #F5F4F1;
    --border-grey: #E8E6E1;
    --medium-grey: #757575;
    --dark-grey: #1A1A1A;
    --marker-gradient: linear-gradient(90deg, rgba(255, 242, 0, 0.4) 0%, rgba(255, 242, 0, 0.15) 100%);
    --marker-active: linear-gradient(90deg, rgba(255, 242, 0, 0.6) 0%, rgba(255, 242, 0, 0.25) 100%);
    
    /* Nieuwe schaduw variabelen voor diepte */
    --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.04), 0 2px 10px rgba(0, 0, 0, 0.02);
    --shadow-lift: 0 20px 40px rgba(0, 0, 0, 0.08), 0 5px 15px rgba(0, 0, 0, 0.04);
}

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

body { 
    background-color: var(--cream); 
    color: var(--dark-grey); 
    font-family: 'Inter', sans-serif; 
    line-height: 1.8;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

/* --- Typografie & Schematische accenten --- */

header { padding: 50px 0 0px; text-align: center; }
.logo { max-width: 240px; height: auto; }

h1 { 
    font-family: 'Playfair Display', serif; 
    font-size: clamp(2.5rem, 5vw, 3.5rem); 
    text-align: center; 
    margin-bottom: 20px;
    letter-spacing: -0.5px;
}

h2 { 
    font-family: 'Playfair Display', serif; 
    font-size: 2.2rem; 
    margin-bottom: 35px; 
    position: relative;
    padding-bottom: 15px;
}

h2::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 80px;
    height: 3px;
    background: var(--dark-grey);
}

h2::before {
    content: "";
    position: absolute;
    bottom: 1px;
    left: 0;
    width: 100%;
    height: 1px;
    background: var(--border-grey);
}

/* --- Layout Structuur --- */

section { padding: 120px 10%; width: 100%; position: relative; }
.container { max-width: 1100px; margin: 0 auto; }

.bg-white { background-color: var(--cream); z-index: 2; }
.bg-grey { 
    background-color: var(--soft-grey); 
    border-top: 1px solid var(--border-grey);
    border-bottom: 1px solid var(--border-grey);
    z-index: 1;
    /* Subtiele inner-shadow voor diepte-effect tussen secties */
    box-shadow: inset 0 20px 20px -20px rgba(0,0,0,0.05), 
                inset 0 -20px 20px -20px rgba(0,0,0,0.05);
}

.lead-text { 
    font-size: 1.25rem; 
    text-align: center; 
    color: var(--medium-grey); 
    max-width: 700px; 
    margin: 0 auto 60px; 
}

/* --- Onze Visie Flexbox Layout --- */

.vision-flex {
    display: flex;
    align-items: center;
    gap: 60px;
    margin-top: 40px;
}

.vision-image {
    flex: 1;
}

.vision-image img {
    width: 100%;
    height: auto;
    border-radius: 4px;
    box-shadow: var(--shadow-soft);
    display: block;
}

.vision-text {
    flex: 1.2;
}

/* --- Highlights Grid --- */

.highlights-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin: 40px 0;
}

section:first-of-type .highlights-grid {
    margin-bottom: -180px;
    position: relative;
    z-index: 10;
}

.highlight-item {
    padding: 40px;
    background: #fff;
    border: none;
    border-top: 4px solid var(--dark-grey);
    border-radius: 4px;
    box-shadow: var(--shadow-soft);
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    position: relative;
}

.highlight-item:hover { 
    transform: translateY(-12px); 
    box-shadow: var(--shadow-lift);
}

.highlight-item h3 { 
    font-size: 0.9rem; 
    text-transform: uppercase; 
    letter-spacing: 1.5px; 
    margin-bottom: 15px; 
    font-weight: 600; 
}

section.bg-grey:first-of-type {
    padding-top: 220px;
}

/* --- Wachtlijst & Formulier --- */

.wachtlijst-container {
    max-width: 550px;
    margin: 50px auto 0;
    background: #fff;
    padding: 60px;
    border-radius: 4px;
    box-shadow: var(--shadow-soft);
}

.form-group, .form-group-footer { 
    margin-bottom: 35px; 
    position: relative;
    z-index: 1;
}

.form-group::after, .form-group-footer::after {
    content: "";
    position: absolute;
    bottom: 12px;
    left: -8px;
    width: 35%; 
    height: 26px;
    background: var(--marker-gradient);
    z-index: -1;
    transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
    border-radius: 2px;
}

.form-group:focus-within::after, .form-group-footer:focus-within::after {
    width: calc(100% + 16px);
    background: var(--marker-active);
}

label { 
    display: block; 
    font-size: 0.7rem; 
    text-transform: uppercase; 
    letter-spacing: 1.5px; 
    margin-bottom: 8px; 
    color: var(--medium-grey); 
}

input { 
    width: 100%; 
    padding: 10px 0; 
    border: none; 
    border-bottom: 1px solid var(--border-grey); 
    background: transparent; 
    font-family: inherit; 
    font-size: 1.1rem; 
    color: var(--dark-grey);
    position: relative;
}

input:focus { outline: none; border-bottom-color: var(--dark-grey); }

button { 
    background: var(--dark-grey); 
    color: #fff; 
    border: none; 
    padding: 22px; 
    width: 100%; 
    cursor: pointer; 
    text-transform: uppercase; 
    letter-spacing: 2px; 
    font-weight: 600;
    transition: all 0.3s;
    border-radius: 2px;
}
button:hover { background: #000; transform: translateY(-2px); box-shadow: 0 5px 15px rgba(0,0,0,0.1); }

/* --- Footer --- */

footer { 
    background-color: var(--dark-grey); 
    color: var(--soft-grey); 
    padding: 120px 10% 60px; 
}

footer a {
    color: #FFFFFF !important;
    text-decoration: none !important;
    transition: opacity 0.3s ease;
}

footer a:hover { opacity: 0.7; }

.footer-grid { 
    display: flex; 
    flex-wrap: wrap; 
    gap: 80px; 
}

.footer-info { flex: 1; min-width: 300px; }
.footer-contact-form { flex: 1.2; min-width: 300px; }

.footer-info strong { 
    color: #fff; 
    font-family: 'Playfair Display', serif; 
    font-size: 1.6rem; 
    display: block; 
    margin-bottom: 20px; 
}

.footer-contact-form h3 { color: #fff; margin-bottom: 30px; font-family: 'Playfair Display', serif; font-weight: 400; }

.footer-contact-form input { 
    border-bottom-color: #444; 
    color: #fff !important; 
}

.footer-contact-form label { color: #888; }

.footer-contact-form button { 
    background: var(--cream); 
    color: var(--dark-grey); 
    margin-top: 20px; 
}

/* --- Proces Tijdlijn --- */

.process-timeline {
    position: relative;
    padding: 40px 0;
    margin-top: 60px;
}

.process-timeline::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--dark-grey) 0%, var(--border-grey) 100%);
}

.process-step {
    position: relative;
    padding-left: 80px;
    margin-bottom: 80px;
}

.process-step:last-child { margin-bottom: 0; }

.step-marker {
    position: absolute;
    left: 0;
    top: 0;
    width: 42px;
    height: 42px;
    background: var(--dark-grey);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 600;
    z-index: 2;
    border: 4px solid var(--cream);
}

.marker {
    position: relative;
    display: inline-block;
    z-index: 1;
}

.marker::after {
    content: "";
    position: absolute;
    bottom: 4px;
    left: -4px;
    width: calc(100% + 8px);
    height: 12px;
    background-color: rgba(255, 242, 0, 0.3);
    z-index: -1;
    transform: rotate(-1deg);
}

/* --- Animaties --- */

.fade-in { opacity: 0; transform: translateY(30px); transition: all 1.2s cubic-bezier(0.215, 0.61, 0.355, 1); }
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* --- Media Queries --- */

@media (max-width: 768px) {
    section { padding: 80px 8%; }
    h1 { font-size: 2.4rem; }
    h2 { font-size: 1.8rem; }
    
    /* Visie Sectie Mobiel: Tekst boven foto */
    .vision-flex {
        flex-direction: column-reverse;
        gap: 35px;
    }

    .vision-image, .vision-text {
        flex: none;
        width: 100%;
    }

    section:first-of-type .highlights-grid {
        margin-bottom: 40px;
    }
    section.bg-grey:first-of-type {
        padding-top: 80px;
    }
    
    .process-timeline::before { left: 15px; }
    .step-marker { width: 32px; height: 32px; font-size: 0.7rem; }
    .process-step { padding-left: 55px; }
    .footer-grid { gap: 50px; }
    .wachtlijst-container { padding: 40px 25px; }
}