/* Footer */
.footer {
    background-color: var(--color-primary);
    position: relative;
    overflow: hidden;
}

/* Decorative background logos */
.footer-bg-logo {
    position: absolute;
    z-index: 0;
    opacity: 0.1;
    width: 30rem;
    height: 30rem;
    color: var(--color-secondary);
}

.footer-bg-logo-left {
    top: 0;
    left: 2.5rem;
}

.footer-bg-logo-right {
    top: 7.5rem;
    right: 2.5rem;
}

.footer-bg-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

/* Footer bovenkant */
.footer-top {
    min-height: 8rem;
    position: relative;
    z-index: 10;
}

.footer-top-content {
    max-width: 80rem;
    margin: 0 auto;
    padding: 3rem 1rem;
}

@media (min-width: 768px) {
    .footer-top-content {
        padding: 3rem 0;
    }
}

.footer-grid {
    display: grid;
    grid-template-rows: auto auto;
    gap: 4rem;
}

@media (min-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        grid-template-rows: none;
    }
}

/* Footer merk */
.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

@media (min-width: 768px) {
    .footer-brand {
        justify-content: center;
        align-items: flex-start;
    }
}

.footer-logo {
    height: 5rem;
    width: auto;
}

.footer-tagline {
    max-width: 28rem;
    margin: 0;
    color: var(--color-secondary);
    text-align: center;
}

@media (min-width: 768px) {
    .footer-tagline {
        text-align: left;
    }
}

/* Partners section */
.footer-partners-section {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-partners-title {
    color: var(--color-secondary);
    margin: 0;
}

.footer-partners-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

@media (min-width: 768px) {
    .footer-partners-grid {
        grid-template-columns: 1fr 1fr;
    }
}

/* Partner kaart */
.partner-card {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding: 1.5rem;
    background-color: var(--color-accent);
    transition: filter 0.2s;
    cursor: pointer;
    align-items: center;
    position: relative;
    text-decoration: none;
}

.partner-card:hover {
    filter: brightness(0.95);
}

.partner-card-icon {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    width: 1.25rem;
    height: 1.25rem;
    opacity: 0.4;
}

.partner-card-logo-container {
    height: 4rem;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.partner-card-logo {
    max-height: 100%;
    width: auto;
    object-fit: contain;
}

.partner-card-name {
    font-size: var(--font-size-small);
    font-weight: 500;
    color: var(--color-secondary);
    text-align: center;
    margin: 0;
}

/* Footer onderkant */
.footer-bottom {
    min-height: 8rem;
    background-color: var(--color-secondary);
    padding: 1.5rem;
}

.footer-bottom-content {
    position: relative;
    z-index: 10;
    max-width: 80rem;
    margin: 0 auto;
    padding-top: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* Contact sectie */
.footer-contact {
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

@media (min-width: 768px) {
    .footer-contact {
        justify-content: flex-start;
    }
}

.footer-contact-items {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

@media (min-width: 768px) {
    .footer-contact-items {
        flex-direction: row;
        gap: 2rem;
    }
}

.footer-contact-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: white;
    text-decoration: none;
    transition: color 0.2s;
    font-size: var(--font-size-small);
}

.footer-contact-item:hover {
    color: var(--color-primary);
}

.footer-contact-icon {
    width: 1rem;
    height: 1rem;
    filter: invert(100%);
}

/* Footer credits */
.footer-credits {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    font-size: 0.75rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1rem;
    gap: 3rem;
}

@media (min-width: 768px) {
    .footer-credits {
        flex-direction: row;
    }
}

.footer-credits p {
    margin: 0;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.75rem;
}

.footer-credits-text {
    margin-bottom: 1rem;
}

@media (min-width: 768px) {
    .footer-credits-text {
        margin-bottom: 0;
    }
}

.footer-credits-details {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

@media (min-width: 768px) {
    .footer-credits-details {
        flex-direction: row;
        gap: 1.25rem;
    }
}

.footer-credits-details span {
    color: rgba(255, 255, 255, 0.8);
}

/* Terug naar boven knop */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 50;
    display: flex;
    width: 2.5rem;
    height: 2.5rem;
    align-items: center;
    justify-content: center;
    background-color: var(--color-primary);
    color: var(--color-secondary);
    border: none;
    cursor: pointer;
    transition: opacity 0.3s, transform 0.2s;
    opacity: 0;
    pointer-events: none;
    box-shadow: var(--shadow-small);
}

@media (max-width: 767px) {
    .back-to-top {
        display: none;
    }
}

.back-to-top.visible {
    opacity: 1;
    pointer-events: auto;
}

.back-to-top:hover {
    transform: translateY(-2px);
}

.back-to-top:active {
    transform: translateY(0);
}

.back-to-top-icon {
    width: 1.25rem;
    height: 1.25rem;
}