.opsim-footer {
    background-color: var(--footer-bg);
    color: var(--footer-text);
    padding-bottom: 10px;
    margin-top: 60px;
    position: relative;
    overflow: visible;
}
.footer-wave {
    color: var(--footer-bg);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    line-height: 0;
    pointer-events: none;
    z-index: 100;
    transform: translateY(-100%);
}
.footer-wave svg {
    width: 100%;
    height: 30px;
    display: block;
}
.footer-container-full {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
}
.footer-main-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 30px;
    padding: 15px 0;
}
.footer-col .footer-logo {
    margin-bottom: 20px;
}
.footer-logo img {
    max-width: 150px;
    height: auto;
    display: block;
}
.footer-description {
    font-size: 0.8rem;
    line-height: 1.5;
    margin-bottom: 20px;
    max-width: 280px;
}
.footer-socials {
    display: flex;
    gap: 10px;
}
.social-link {
    width: 34px;
    height: 34px;
    background: var(--footer-social-bg);
    color: var(--footer-social);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}
.social-link svg {
    width: 16px;
    height: 16px;
}
.footer-heading {
    font-family: var(--opsim-font-secondary);
    font-size: 0.85rem;
    font-weight: 800;
    color: var(--footer-heading);
    margin-bottom: 20px;
    text-transform: uppercase;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.accordion-icon {
    display: none;
    width: 18px;
    height: 18px;
    transition: transform 0.3s ease;
}
.footer-menu-list {
    list-style: none;
    padding: 0;
    margin: 0;
}
.footer-menu-list li {
    margin-bottom: 10px;
}
.footer-menu-list a {
    text-decoration: none;
    color: var(--footer-text);
    font-size: 0.8rem;
}
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding: 25px 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    font-size: 0.7rem;
    text-align: center;
}
.footer-bottom-placeholder {
    display: none;
}
.footer-copyright-group {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-direction: column;
}
.footer-developer-credit {
    font-size: 0.65rem;
}
.footer-developer-credit a {
    text-decoration: none;
    color: #ffffff;
    background: rgba(255, 255, 255, 0.1);
    padding: 2px 10px;
    border-radius: 4px;
    font-weight: 500;
    transition: all 0.3s ease;
    display: inline-block;
    border: 1px solid rgba(255, 255, 255, 0.1);
}
.footer-developer-credit a:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.3);
}
.footer-navigation ul {
    list-style: none;
    display: flex;
    gap: 15px;
    margin: 0;
    padding: 0;
}
.footer-navigation a {
    text-decoration: none;
    color: var(--footer-text);
}

@media (min-width: 768px) {
    .footer-bottom {
        display: flex;
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        text-align: left;
    }
    .footer-copyright-group {
        flex-direction: row;
        justify-content: flex-start;
        flex: 1;
    }
    .footer-navigation {
        flex: 1;
        display: flex;
        justify-content: flex-end;
    }
}
@media (max-width: 1023px) {
    .footer-main-content {
        grid-template-columns: 1fr 1fr;
        padding: 40px 0;
    }
}
@media (max-width: 767px) {
    .opsim-footer {
        padding-bottom: 10px;
        margin-top: 40px;
    }
    .info-col {
        display: flex;
        flex-direction: column;
        align-items: center;
        text-align: center;
        margin-bottom: 5px;
    }
    .footer-description {
        max-width: 100%;
        margin-bottom: 10px;
    }
    .social-link {
        width: 28px;
        height: 28px;
    }
    .social-link svg {
        width: 14px;
        height: 14px;
    }
    .footer-main-content {
        grid-template-columns: 1fr;
        gap: 0;
        padding: 5px 0;
    }
    .footer-col {
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }
    .footer-col.info-col {
        border-bottom: none;
    }
    .footer-heading {
        margin-bottom: 0;
        padding: 8px 0;
        cursor: pointer;
    }
    .accordion-icon {
        display: block;
    }
    .footer-menu-wrapper {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.4s ease, padding 0.4s ease;
    }
    .footer-col.active .footer-menu-wrapper {
        max-height: 500px;
        padding-bottom: 10px;
    }
    .footer-menu-list li {
        margin-bottom: 0;
        padding: 6px 0;
    }
    .footer-col.active .accordion-icon {
        transform: rotate(180deg);
    }
}