/* ==========================================================================
   Projekte Block
   Desktop: 3-column grid    Category filter with skewed separators
   ========================================================================== */

.cf-projekte {
    position: relative;
    width: 100%;
    background-color: #000000;
}

.cf-projekte__container {
    max-width: 1360px;
    margin: 0 auto;
    padding: clamp(5rem, 8.33vw, 7.5rem) clamp(0.75rem, 2.78vw, 2.5rem);
}

/* === Headline === */
.cf-projekte__headline {
    font-family: 'Inter', sans-serif;
    font-size: clamp(2rem, 1.33rem + 2.78vw, 3rem);
    line-height: 1.1;
    text-align: center;
    text-transform: uppercase;
    color: #FFFFFF;
    margin: 0 0 clamp(2.5rem, 4.17vw, 3.75rem);
}

.cf-projekte__headline-regular {
    font-weight: 400;
}

.cf-projekte__headline-bold {
    font-weight: 600;
}

/* === Category Filter === */
.cf-projekte__filter {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: clamp(2.5rem, 5.56vw, 5rem);
}

.cf-projekte__filter-btn {
    background: transparent;
    border: none;
    color: #FFFFFF;
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    font-size: 1rem;
    padding: 1rem 0.75rem;
    letter-spacing: 0.01em;
    cursor: pointer;
    transition: color 0.3s ease;
}

.cf-projekte__filter-btn:hover,
.cf-projekte__filter-btn.is-active {
    text-decoration: underline;
    text-underline-offset: 4px;
}

.cf-projekte__filter-sep {
    flex-shrink: 0;
    width: 2px;
    height: 52px;
    background: #FFFFFF;
    transform: skewX(-20deg);
}

/* === Grid === */
.cf-projekte__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: clamp(1.5rem, 1.67vw, 1.5rem);
    row-gap: clamp(2rem, 3.33vw, 3rem);
}

/* === Item === */
.cf-projekte__item {
    transition: opacity 0.4s ease;
}

.cf-projekte__item.is-hidden {
    display: none;
}

.cf-projekte__link {
    display: block;
    text-decoration: none;
    color: inherit;
}

/* === Thumbnail === */
.cf-projekte__thumb {
    position: relative;
    overflow: hidden;
    border-radius: 4px;
    aspect-ratio: 437 / 246;
    margin-bottom: clamp(1rem, 2.22vw, 2rem);
}

.cf-projekte__thumb-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.cf-projekte__link:hover .cf-projekte__thumb-img {
    transform: scale(1.03);
}

/* === Meta === */
.cf-projekte__meta {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.cf-projekte__title {
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    font-size: 1rem;
    line-height: 1;
    color: #FFFFFF;
    text-transform: uppercase;
}

.cf-projekte__excerpt {
    font-family: 'Inter', sans-serif;
    font-weight: 400;
    font-size: 0.875rem;
    line-height: 1;
    color: #FFFFFF;
}

/* === CTA Wrapper === */
.cf-projekte__cta {
    display: flex;
    justify-content: center;
    margin-top: clamp(3rem, 5.56vw, 5rem);
}

/* === Mobile === */
@media (max-width: 767px) {
    .cf-projekte__grid {
        grid-template-columns: 1fr;
    }

    .cf-projekte__filter {
        justify-content: flex-start;
        overflow-x: auto;
        flex-wrap: nowrap;
        -webkit-overflow-scrolling: touch;
    }
}