/* ============================================
   Logo Carousel - Frontend Styles
   ============================================ */

.sffc-logo-carousel {
    width: 100%;
    overflow: hidden;
    position: relative;
    background: #fafafa;
    padding: 40px 0;
    margin: 40px 0;
}

.sffc-logo-track {
    display: flex;
    align-items: center;
    gap: 60px;
    animation: scroll-logos 30s linear infinite;
    width: fit-content;
}

.sffc-logo-slide {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 20px;
}

.sffc-logo-slide img {
    width: auto;
    height: 100%;
    object-fit: contain;
    display: block;
    transition: all 0.3s ease;
}

/* Size Mode: Fixed width slides */
.sffc-carousel-size-fixed .sffc-logo-slide {
    min-width: fit-content;
}

.sffc-carousel-size-fixed .sffc-logo-slide img {
    width: 100%;
    height: 100%;
}

/* Size Mode: Cover (fill the box) */
.sffc-carousel-size-cover .sffc-logo-slide img {
    width: 100%;
    height: 100%;
}

/* Size Mode: Contain (default - fit within box) */
.sffc-carousel-size-contain .sffc-logo-slide img {
    width: auto;
    height: auto;
}

/* ============================================
   Speed Variations
   ============================================ */

.sffc-carousel-speed-slow .sffc-logo-track {
    animation-duration: 50s;
}

.sffc-carousel-speed-medium .sffc-logo-track {
    animation-duration: 30s;
}

.sffc-carousel-speed-fast .sffc-logo-track {
    animation-duration: 20s;
}

/* ============================================
   Style: Default (Full Color)
   ============================================ */

.sffc-carousel-default .sffc-logo-slide img {
    opacity: 0.9;
}

.sffc-carousel-default .sffc-logo-slide:hover img {
    opacity: 1;
    transform: scale(1.05);
}

/* ============================================
   Style: Grayscale
   ============================================ */

.sffc-carousel-grayscale .sffc-logo-slide img {
    filter: grayscale(100%);
    opacity: 0.7;
}

.sffc-carousel-grayscale .sffc-logo-slide:hover img {
    filter: grayscale(0%);
    opacity: 1;
    transform: scale(1.08);
}

/* ============================================
   Style: Opacity (Light Gray with Hover)
   ============================================ */

.sffc-carousel-opacity .sffc-logo-slide img {
    opacity: 0.4;
    filter: brightness(0.95);
}

.sffc-carousel-opacity .sffc-logo-slide:hover img {
    opacity: 0.95;
    filter: brightness(1);
    transform: scale(1.06);
}

/* ============================================
   Style: Hover Color (Grayscale → Color)
   ============================================ */

.sffc-carousel-hover-color {
    background: #ffffff;
    border-top: 1px solid #e5e7eb;
    border-bottom: 1px solid #e5e7eb;
}

.sffc-carousel-hover-color .sffc-logo-slide img {
    filter: grayscale(100%) brightness(0) opacity(0.5);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.sffc-carousel-hover-color .sffc-logo-slide:hover img {
    filter: grayscale(0%) brightness(1) opacity(1);
    transform: scale(1.1);
}

/* ============================================
   Style: Fade (Subtle with Soft Hover)
   ============================================ */

.sffc-carousel-fade {
    background: linear-gradient(135deg, #f9fafb 0%, #ffffff 100%);
}

.sffc-carousel-fade .sffc-logo-slide img {
    opacity: 0.5;
    filter: grayscale(50%) contrast(0.9);
}

.sffc-carousel-fade .sffc-logo-slide:hover img {
    opacity: 0.9;
    filter: grayscale(0%) contrast(1);
    transform: scale(1.05);
}

/* ============================================
   Scroll Animation
   ============================================ */

@keyframes scroll-logos {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

/* Pause on hover */
.sffc-logo-carousel:hover .sffc-logo-track {
    animation-play-state: paused;
}

/* ============================================
   Empty State
   ============================================ */

.sffc-logo-carousel-empty {
    background: #f3f4f6;
    border: 2px dashed #d1d5db;
    border-radius: 12px;
    padding: 40px;
    text-align: center;
    color: #6b7280;
    font-size: 15px;
    margin: 40px 0;
}

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 768px) {
    .sffc-logo-carousel {
        padding: 30px 0;
        margin: 30px 0;
    }

    .sffc-logo-track {
        gap: 40px;
    }

    .sffc-logo-slide {
        padding: 0 15px;
    }

    .sffc-carousel-speed-slow .sffc-logo-track {
        animation-duration: 40s;
    }

    .sffc-carousel-speed-medium .sffc-logo-track {
        animation-duration: 25s;
    }

    .sffc-carousel-speed-fast .sffc-logo-track {
        animation-duration: 15s;
    }
}

@media (max-width: 480px) {
    .sffc-logo-track {
        gap: 30px;
    }

    .sffc-logo-slide {
        padding: 0 10px;
    }
}