/* ===== Portfolio Section ===== */
.portfolio {
    width: 100%;
    background-color: var(--bg-bluish-white);
    padding: 10rem 0;
    position: relative;
    overflow: hidden;
}

.portfolio-container {
    max-width: 100%;
    width: 100%;
}

.portfolio-header {
    text-align: center;
    margin-bottom: 5rem;
    padding: 0 1rem;
}

/* Carousel Wrapper */
.carousel-wrapper {
    width: 100%;
    overflow: hidden;
    position: relative;
}

.carousel-wrapper::before,
.carousel-wrapper::after {
    content: '';
    position: absolute;
    top: 0;
    width: 150px;
    height: 100%;
    z-index: 2;
    pointer-events: none;
}

.carousel-wrapper::before {
    left: 0;
    background: linear-gradient(90deg, var(--bg-bluish-white) 0%, transparent 100%);
}

.carousel-wrapper::after {
    right: 0;
    background: linear-gradient(90deg, transparent 0%, var(--bg-bluish-white) 100%);
}

/* Carousel Track */
.carousel-track {
    display: flex;
    gap: 2rem;
    will-change: transform;
}

/* Portfolio Card */
.portfolio-card {
    flex-shrink: 0;
    width: 400px;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 24px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.8);
    box-shadow: 0 20px 60px rgba(0, 71, 153, 0.1);
    transition: all 0.4s ease;
    text-decoration: none;
    display: block;
    cursor: pointer;
}

.portfolio-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 30px 80px rgba(0, 71, 153, 0.2);
}

/* Card Image */
.card-image {
    position: relative;
    width: 100%;
    height: 250px;
    overflow: hidden;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.portfolio-card:hover .card-image img {
    transform: scale(1.1);
}

.card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.7) 100%);
    display: flex;
    align-items: flex-end;
    padding: 1.5rem;
}

.card-category {
    background: rgba(255, 255, 255, 0.95);
    color: var(--accent-blue-dark);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.8125rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Card Header with Logo */
.card-header {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.client-logo {
    width: 70px;
    height: 70px;
    object-fit: contain;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.95);
    padding: 0.5rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.12);
    flex-shrink: 0;
}

/* Card Body */
.card-body {
    padding: 2rem;
}

.card-body h3 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--black);
    line-height: 1.3;
    margin: 0;
    flex: 1;
}

.card-body p {
    font-size: 1rem;
    line-height: 1.6;
    color: var(--gray-dark);
    opacity: 0.9;
    margin-bottom: 1.25rem;
}

/* Card Tags */
.card-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.card-tags .tag {
    padding: 0.4rem 0.875rem;
    background: rgba(0, 71, 153, 0.1);
    border-radius: 15px;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--accent-blue-dark);
}

/* Responsive */
@media (max-width: 768px) {
    .portfolio {
        padding: 6rem 0;
    }
    
    .portfolio-header {
        margin-bottom: 3rem;
    }
    
    .carousel-track {
        gap: 1.5rem;
    }
    
    .portfolio-card {
        width: 320px;
    }
    
    .client-logo {
        width: 60px;
        height: 60px;
        padding: 0.4rem;
    }
    
    .card-header {
        gap: 0.875rem;
        margin-bottom: 0.875rem;
    }
    
    .card-body h3 {
        font-size: 1.0625rem;
    }
    
    .card-body p {
        font-size: 0.9375rem;
    }
    
    .carousel-wrapper::before,
    .carousel-wrapper::after {
        width: 50px;
    }
}

@media (max-width: 480px) {
    .portfolio {
        padding: 5rem 0;
    }
    
    .portfolio-card {
        width: 280px;
    }
    
    .client-logo {
        width: 55px;
        height: 55px;
        padding: 0.375rem;
    }
    
    .card-header {
        gap: 0.75rem;
        margin-bottom: 0.75rem;
    }
    
    .card-body h3 {
        font-size: 1rem;
    }
    
    .card-body p {
        font-size: 0.875rem;
    }
    
    .carousel-wrapper::before,
    .carousel-wrapper::after {
        width: 30px;
    }
}