.kaarten-sectie {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.7rem;
    margin: 1rem auto 1rem auto;
    padding: 0 1rem 0 1rem;
}

.kaarten-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    width: 100%;
    gap: 2rem;
    box-sizing: border-box;
    padding: 0 0.7rem 0 0.7rem;
    align-items: start;
}

.kaart {
    display: flex;
    flex-direction: column;
    border-radius: 12px;
    color: var(--lichtrgroen);
    padding: 20px;
    justify-content: flex-start;
    align-items: center;
    margin: 0;
}

.kaart-afbeelding {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: 0;
    width: 100%;
    overflow: hidden;
    border-radius: 15px;
    margin-bottom: 0.7rem;
    aspect-ratio: 6 / 7;
    rotate: 2deg;
    position: relative;
    z-index: 1;
    transition: transform 0.3s ease;
    transform-origin: top center;
}

.kaart-afbeelding:hover {
    transform: translateY(-25px);
}

.links {
    rotate: -1deg;
}

.kaart-afbeelding img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transform: scale(1.01);
}

.hoofd-foto {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
    opacity: 1;
    transition: opacity 0.4s ease;
    pointer-events: none;
}

@media (hover: hover) {
    .kaart:hover .kaart-afbeelding {
        transform: translateY(-25px);
    }

    .kaart:hover .hoofd-foto {
        opacity: 0;
    }
}

.kaart-inhoud {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
    padding: 20px 35px 25px 35px;
    margin: -90px 0 0 0;
    background-color: var(--donkergroen);
    border-radius: 15px;
    position: relative;
    box-shadow: 0 0 6px rgba(0, 0, 0, 0.1);
    z-index: 2;
    min-width: 300px;
    flex-grow: 1;
}

.titel-en-prijs h3,
.titel-en-prijs p {
    margin: 25px 0 0 0;
    line-height: 1.2;
    color: var(--lichtgroen);
    text-align: left;
}

p.groepskorting {
    font-size: 0.85rem;
    line-height: 1.4;
    margin-bottom: 1rem;
}

.titel-en-prijs {
    display: flex;
    gap: 0.7rem;
}

.titel-en-prijs h3 {
    font-size: 1.5rem;
}

.titel-en-prijs p {
    font-size: 1.5rem;
    color: var(--lime);
    font-weight: 700;
}

li {
    text-align: left;
    margin-bottom: 0.3rem;
}

ul {
    margin-left: -20px;
}

.inbegrepen {
    text-align: left;
    color: var(--lichtgroen);
}

.kaart-knop {
    left: 0;
}

/* ==========================================
   POP-UP OVERLAY & VENSTER
   ========================================== */

/* De donkere achtergrond die over de hele pagina ligt */
.popup-overlay {
    display: none;
    /* Standaard verborgen */
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 9999;
    justify-content: center;
    align-items: center;
    padding: 20px;
    box-sizing: border-box;
}

/* Wordt actief wanneer de pop-up opent */
.popup-overlay.active {
    display: flex;
}

/* Het witte venster/kaartje zelf */
.popup-kaart {
    position: relative;
    max-height: 90vh;
    overflow-y: auto;
    background: var(--lichtgroen);
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
    max-width: 600px;
    width: 100%;
    padding: 30px;
    box-sizing: border-box;
}

/* Sluitknop (het kruisje) */
.popup-sluitknop {
    position: absolute;
    top: 15px;
    right: 15px;
    background: transparent;
    border: none;
    font-size: 1.8rem;
    line-height: 1;
    color: var(--donkergroen);
    cursor: pointer;
    padding: 5px 10px;
    border-radius: 4px;
}

.popup-sluitknop:hover {
    color: var(--donkergroen);
    background-color: var(--lime);
}

.popup-titel {
    font-size: 1.5rem;
    margin-bottom: 8px;
    color: var(--donkergroen);
}

.popup-subtitel {
    font-size: 0.9rem;
    color: var(--donkergroen);
    margin-bottom: 24px;
}


/* ==========================================
   FORMULIER ELEMENTEN
   ========================================== */

.formulier-groep {
    margin-bottom: 18px;
}

.veld-label {
    display: block;
    font-weight: 600;
    font-size: 0.88rem;
    margin-bottom: 6px;
    color: var(--donkergroen);
}

.popup-kaart input[type="text"],
.popup-kaart select,
.popup-kaart textarea {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--donkergroen);
    border-radius: 6px;
    font-size: 0.95rem;
    transition: border-color 0.2s ease;
    background-color: var(--lichtgroen);
    box-sizing: border-box;
}

.popup-kaart input[type="text"]:focus,
.popup-kaart select:focus,
.popup-kaart textarea:focus {
    outline: none;
    border-color: var(--lime);
}

.popup-kaart textarea {
    resize: vertical;
    min-height: 70px;
}


/* ==========================================
   ROTTERDAM SCHAKELAAR (CUSTOM CHECKBOX)
   ========================================== */

.rotterdam-schakelaar-groep {
    display: flex;
    align-items: center;
    gap: 14px;
}

.rotterdam-schakelaar-groep label {
    font-size: 0.93rem;
    cursor: pointer;
    user-select: none;
}

.checkbox-wrapper-41 {
    --size: 50px;
    display: inline-block;
    flex-shrink: 0;
}

.checkbox-wrapper-41 input[type="checkbox"] {
    -webkit-appearance: none;
    appearance: none;
    width: var(--size);
    height: calc(var(--size) / 2);
    background-color: var(--lichtgroen);
    border: 1px solid var(--donkergroen);
    border-radius: 30px 100px 100px 100px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
    outline: none;
    cursor: pointer;
    position: relative;
    transition: all 0.5s;
    display: block;
    margin: 0;
}

.checkbox-wrapper-41 input[type="checkbox"]::before {
    content: "";
    position: absolute;
    width: calc(var(--size) / 2);
    height: calc(var(--size) / 2);
    left: 0;
    top: 50%;
    transform: translateY(-50%) scale(0.7);
    border: 1px solid var(--donkergroen);
    border-radius: 30px 100px 100px 100px;
    background-color: var(--lime);
    box-sizing: border-box;
    transition: all 0.5s;
}

.checkbox-wrapper-41 input[type="checkbox"]:checked {
    background-color: var(--lime);
    border-radius: 100px 100px 30px 100px;
}

.checkbox-wrapper-41 input[type="checkbox"]:checked::before {
    left: 50%;
    background-color: var(--donkergroen);
    border-radius: 100px 100px 30px 100px;
}


/* ==========================================
   VOORBEELD / PREVIEW BOX & KOPIEERKNOP
   ========================================== */

.voorbeeld-box {
    background-color: var(--lichtgroen);
    border-left: 4px solid var(--donkergroen);
    padding: 12px 16px;
    border-radius: 0 6px 6px 0;
    margin-top: 20px;
    font-size: 0.85rem;
    color: var(--donkergroen);
}

.voorbeeld-kop {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.voorbeeld-titel {
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.5px;
    color: var(--donkergroen);
}

.kopieer-knop {
    background: var(--lime);
    border: none;
    padding: 4px 10px;
    font-size: 0.75rem;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 600;
    color: var(--donkergroen);
    transition: background-color 0.2s ease;
}

.kopieer-knop:hover {
    background: var(--paars);
}

.voorbeeld-tekst {
    white-space: pre-wrap;
    font-family: monospace;
    line-height: 1.4;
    max-height: 150px;
    overflow-y: auto;
}


/* ==========================================
   VERSTUUR KNOP (MAILTO)
   ========================================== */

.verstuur-knop {
    display: block;
    width: 100%;
    padding: 14px;
    background-color: var(--paars);
    color: var(--donkergroen);
    text-align: center;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    border-radius: 6px;
    margin-top: 20px;
    transition: background-color 0.2s ease;
    box-sizing: border-box;
}

.verstuur-knop.uitgeschakeld {
    background-color: #cccccc;
    color: #666666;
    cursor: not-allowed;
    pointer-events: none;
}

.verstuur-knop:not(.uitgeschakeld):hover {
    background-color: var(--lime);
}

/* ==========================================
   Laatste waarschuwing
   ========================================== */

.waarschuwing {
    font-size: 0.75rem;
    color: var(--donkergroen);
    margin-top: 12px;
    text-align: center;
}

.letop {
    font-weight: 700;
}

@media (max-width: 1370px) {
    .kaarten-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 950px) {
    .kaarten-grid {
        grid-template-columns: 1fr;
    }

    .kaart-inhoud {
        padding: 20px 35px 25px 35px;
        margin: -50px 0 0 0;
    }

    .kaart-afbeelding {
        width: 100%;
    }
}