/* ============================================
   OPEN DOORS - PORTFOLIO SECTION
   Logo carousel with auto-scroll
   ============================================ */

.portfolio-section {
    background: var(--primary-dark);
    position: relative;
    z-index: 200;
    overflow: hidden;
}

/* Portfolio Carousel Wrapper */
.portfolio-carousel-wrapper {
    position: relative;
    padding: var(--space-md) 0;
}

.portfolio-carousel {
    overflow: hidden;
    position: relative;
    mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
    -webkit-mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
}

.carousel-track {
    display: flex;
    gap: var(--space-lg);
    animation: carousel-scroll 40s linear infinite;
    width: max-content;
}

@media (hover: hover) {
    .carousel-track:hover {
        animation-play-state: paused;
    }
}

@keyframes carousel-scroll {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(-50%);
    }
}

/* Carousel Item (Logo Card) */
.carousel-item {
    flex-shrink: 0;
    width: 150px;
    height: 150px;
    background: var(--white);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-sm);
    transition: var(--transition-base);
    box-shadow: var(--shadow-md);
    border: 3px solid transparent;
    overflow: hidden;
}

.carousel-item img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: grayscale(0%);
    transition: var(--transition-base);
}

@media (hover: hover) {
    .carousel-item:hover {
        transform: scale(1.1) translateY(-10px);
        border-color: var(--accent);
        box-shadow: var(--shadow-glow), var(--shadow-lg);
    }

    .carousel-item:hover img {
        filter: grayscale(0%);
        transform: scale(1.05);
    }
}

/* Carousel Navigation */
.carousel-nav {
    display: flex;
    justify-content: center;
    gap: var(--space-sm);
    margin-top: var(--space-md);
}

.carousel-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: 2px solid var(--accent);
    background: rgba(255, 195, 0, 0.1);
    color: var(--accent);
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
}

.carousel-btn:hover {
    background: var(--accent);
    color: var(--black);
    transform: scale(1.1);
}

.carousel-btn:active {
    transform: scale(0.95);
}

/* Carousel Dots */
.carousel-dots {
    display: flex;
    justify-content: center;
    gap: var(--space-xs);
    margin-top: var(--space-md);
}

.carousel-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: var(--transition-fast);
}

.carousel-dot.active,
.carousel-dot:hover {
    background: var(--accent);
    transform: scale(1.2);
}

/* Responsive - Tablet */
@media (max-width: 968px) {
    .carousel-item {
        width: 130px;
        height: 130px;
    }

    .carousel-track {
        gap: var(--space-md);
    }
}

/* Responsive - Mobile */
@media (max-width: 600px) {
    .carousel-item {
        width: 100px;
        height: 100px;
        padding: 0.5rem;
        border-radius: var(--radius-md);
    }

    .carousel-track {
        gap: var(--space-sm);
    }

    .carousel-btn {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }

    .portfolio-carousel {
        mask-image: linear-gradient(to right, transparent, black 5%, black 95%, transparent);
        -webkit-mask-image: linear-gradient(to right, transparent, black 5%, black 95%, transparent);
    }
}