/* FILTER */
.project-filter {
    text-align: center;
    margin: 40px 0;
}

.filter-btn {
    background: #2C3539;
    color: #fff;
    border: none;
    padding: 10px 20px;
    margin: 5px;
    cursor: pointer;
}

    .filter-btn.active {
        background: #d4af37;
        color: #000;
    }

/* GRID */
.project-list {
    display: grid;
    grid-template-columns: repeat(3,1fr);
    gap: 30px;
}

/* CARD */
.project-card {
    border-radius: 14px;
    overflow: hidden;
}

    .project-card:hover {
        box-shadow: 0 10px 30px rgba(212,175,55,0.2);
    }

        .project-card:hover .overlay {
            background: linear-gradient( to top, rgba(0,0,0,0.95), rgba(0,0,0,0.5), transparent );
        }

/* THUMB */
.project-thumb {
    position: relative;
    aspect-ratio: 4 / 5; /* 👈 chiều cao lớn hơn */
    overflow: hidden;
    border-radius: 14px;
}

    /* IMAGE */
    .project-thumb img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: .5s;
    }

    /* OVERLAY GRADIENT */
    .project-thumb .overlay {
        position: absolute;
        inset: 0;
        background: linear-gradient( to top, rgba(0,0,0,0.9), rgba(0,0,0,0.3), transparent );
    }

/* TEXT TRÊN ẢNH */
.project-info {
    position: absolute;
    bottom: 25px;
    left: 20px;
    right: 20px;
    color: #fff;
}

.project-info {
    transform: translateY(5px);
    transition: .3s;
}

.project-card:hover .project-info {
    transform: translateY(0px);
}

/* TITLE */
.project-info h3 {
    margin: 10px 0 5px;
    font-size: 18px;
}

/* DESC */
.project-info p {
    font-size: 14px;
    opacity: 0.8;
    margin-bottom: 10px;
}

/* TAG */
.tag {
    display: inline-block;
    background: #d4af37;
    color: #000;
    padding: 4px 10px;
    font-size: 12px;
}

/* HOVER */
.project-card:hover img {
    transform: scale(1.1);
}

/* BODY */
.project-body {
    padding: 15px;
    color: #fff;
}

/* SLIDE */
.featured-projects {
    padding: 40px 0 80px 0;
    background: #2C3539;
}

    .featured-projects h2 {
        color: #d4af37;
    }

    .featured-projects .project-content {
        position: relative;
        color: #fff;
    }

/* WRAPPER */
.featured-slider-wrapper {
    position: relative;
    padding: 0 20px;
    overflow: hidden;
}

/* SLIDER */
.featured-slider {
    display: flex;
    /*gap: 16px;*/
    transition: transform .5s ease;
    cursor: grab;
}

/* cho phép swipe mượt */
.featured-slider {
    cursor: grab;
    user-select: none;
}

.featured-slider {
    justify-content: flex-start;
}

    .featured-slider:active {
        cursor: grabbing;
    }

/* quan trọng cho mobile */
.featured-slider-wrapper {
    overflow: hidden;
    touch-action: pan-y;
}

/* SLIDE */
.slide {
    min-width: 60%;
    position: relative;
    opacity: 0.6;
    transform: scale(0.85);
    transition: .4s;
}

    /* card giữa */
    .slide.active {
        opacity: 1;
        transform: scale(0.9);
    }

    .slide img {
        width: 100%;
        height: 400px;
        object-fit: cover;
        border-radius: 14px;
    }

    .slide img {
        transform: scale(1.1);
    }

    /* tránh kéo chọn text / ảnh */
    .slide img {
        pointer-events: none;
    }

    /* OVERLAY */
    .slide::before {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
    }

/* TEXT */
.slide-info {
    position: absolute;
    bottom: -16px;
    left: 0;
    right: 0;
    color: #fff;
    margin: 0;
    border-bottom-left-radius: 14px;
    border-bottom-right-radius: 14px;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.3) 0%, rgba(0, 0, 0, 0.9) 100%);
    padding: 10px 30px 20px 30px;
    transform: scale(1.1);
}

/* BUTTON */
.slide-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0,0,0,0.6);
    color: #fff;
    border: none;
    width: 40px;
    height: 40px;
    cursor: pointer;
    z-index: 2;
}

    .slide-btn.prev {
        left: 10px;
    }

    .slide-btn.next {
        right: 10px;
    }

/* CTA */
.project-cta {
    text-align: center;
    padding: 60px 0;
}

/* ===== BUTTON ===== */
.btn-detail {
    display: inline-block;
    padding: 6px 14px;
    font-size: 14px;
    color: #fff;
    background: #d4af37;
    border-radius: 20px;
    text-decoration: none;
    opacity: 1;
    font-weight: 700;
}

    .btn-detail:hover {
        opacity: 1;
        background: #d4860a;
        color: #fff;
        border: none;
    }

/* RESPONSIVE */
@media (max-width: 768px) {
    .project-list {
        grid-template-columns: 1fr;
    }

    /* mobile */
    .slide {
        flex: 0 0 85%;
        max-width: 85%;
    }
}

/* desktop */
@media (min-width:1024px) {
    .slide {
        flex: 0 0 40%;
    }
}