/* ==========================================================================
   Partner Table of Contents – Frontend Styles
   Inspired by erblotse.de/kooperationspartner
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;700&display=swap');

/* Layout Wrapper: Sidebar + Content */
.partner-toc-wrapper {
    display: flex;
    gap: 48px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 0;
    font-family: 'DM Sans', sans-serif;
    color: #030840;
    position: relative;
}

/* ==========================================================================
   Sticky Sidebar Navigation
   ========================================================================== */
.partner-table-of-contents {
    display: flex;
    flex-direction: column;
    position: sticky;
    top: 128px;
    align-self: flex-start;
    min-width: 180px;
    max-width: 220px;
    flex-shrink: 0;
}

.partner-toc-link {
    display: block;
    padding: 8px 0 8px 12px;
    font-size: 13.6px;
    font-weight: 400;
    line-height: 1.5;
    color: rgba(255, 255, 255, 0.5);
    text-decoration: none;
    text-transform: uppercase;
    border-left: 2px solid rgba(255, 255, 255, 0.2);
    transition: border-color 0.2s ease, color 0.2s ease, font-weight 0.2s ease;
    cursor: pointer;
}

.partner-toc-link:hover {
    border-left-color: #fff;
    color: #fff;
}

.partner-toc-link.is-active {
    border-left-color: #fff;
    color: #fff;
    font-weight: 500;
}

/* ==========================================================================
   Content Area
   ========================================================================== */
.partner-content {
    flex: 1;
    min-width: 0;
}

/* Section */
.partner-section {
    margin-bottom: 48px;
}

.partner-section-title {
    font-size: 24px;
    font-weight: 700;
    color: #fff;
    margin: 0 0 24px 0;
    padding-bottom: 8px;
    font-family: 'DM Sans', sans-serif;
    text-transform: uppercase;
}

/* ==========================================================================
   Partner Grid (Cards)
   ========================================================================== */
.partner-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

/* Partner Card */
.partner-card {
    display: block;
    text-decoration: none;
    color: #030840;
    border-radius: 0;
    overflow: hidden;
    transition: box-shadow 0.2s ease, transform 0.15s ease;
    background: #fff;
    border: 1px solid #eee;
}

.partner-card:hover {
    box-shadow: 0 4px 16px rgba(3, 8, 64, 0.1);
    transform: translateY(-2px);
}

/* Logo Area */
.partner-card-logo {
    width: 100%;
    height: 140px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
    background: #fafafa;
    overflow: hidden;
}

.partner-card-logo img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    filter: grayscale(100%);
    opacity: 0.6;
    transition: filter 0.3s ease, opacity 0.3s ease;
}

.partner-card:hover .partner-card-logo img {
    filter: grayscale(0%);
    opacity: 1;
}

/* Placeholder when no logo */
.partner-card-placeholder {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: #030840;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    font-weight: 700;
}

/* Info Area */
.partner-card-info {
    padding: 12px 16px;
}

.partner-card-name {
    font-size: 13.6px;
    font-weight: 500;
    color: #030840;
    margin-bottom: 2px;
    line-height: 1.4;
    text-transform: uppercase;
}


/* Empty State */
.partner-empty {
    color: #999;
    font-size: 14px;
    grid-column: 1 / -1;
}

/* ==========================================================================
   Layout Variant: nav="top" – Navigation above content (horizontal)
   ========================================================================== */
.partner-toc-nav-top {
    flex-direction: column;
    gap: 24px;
}

.partner-toc-nav-top .partner-table-of-contents {
    position: sticky;
    top: 0;
    z-index: 10;
    flex-direction: row;
    flex-wrap: wrap;
    max-width: none;
    min-width: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    padding-bottom: 12px;
    margin-bottom: 8px;
    background: inherit;
}

.partner-toc-nav-top .partner-toc-link {
    border-left: none;
    border-bottom: 2px solid rgba(255, 255, 255, 0.2);
    padding: 8px 16px;
}

.partner-toc-nav-top .partner-toc-link.is-active {
    border-bottom-color: #fff;
}

/* ==========================================================================
   Layout Variant: nav="hidden" – No navigation
   ========================================================================== */
.partner-toc-nav-hidden .partner-table-of-contents {
    display: none;
}

.partner-toc-nav-hidden .partner-content {
    flex: 1;
    max-width: 100%;
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 960px) {
    .partner-toc-wrapper {
        flex-direction: column;
        gap: 24px;
    }

    .partner-table-of-contents {
        position: static;
        flex-direction: column;
        flex-wrap: nowrap;
        max-width: none;
        min-width: 0;
        border-bottom: none;
        padding-bottom: 12px;
        margin-bottom: 8px;
    }

    .partner-toc-link {
        border-left: none;
        border-bottom: 2px solid rgba(255, 255, 255, 0.2);
        padding: 8px 0;
        font-size: 13px;
        width: 100%;
    }

    .partner-toc-link.is-active {
        border-bottom-color: #fff;
    }

    .partner-toc-mobilenav-hidden .partner-table-of-contents {
        display: none;
    }

    .partner-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .partner-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .partner-card {
        border: none;
        background: transparent;
    }

    .partner-card-logo {
        height: 100px;
        padding: 10px;
        background: #fff;
        border: 1px solid #eee;
    }

    .partner-card-info {
        padding: 6px 0 0 0;
    }

    .partner-card-name {
        font-size: 11px;
        color: rgba(255, 255, 255, 0.6);
    }

    .partner-toc-wrapper {
        padding: 20px 0;
    }
}