/*section dự án*/
.sec-projects .header-section {
    align-items: flex-end;
}

/* Layout grid 4 cột */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-auto-rows: minmax(200px, auto);
    gap: 40px;
}

/* Card chung */
.project-card {
    height: 100%;
    width: 100%;
    overflow: hidden;
    transition: transform 0.3s ease;
}

.project-image {
    width: 100%;
    height: auto;
    overflow: hidden;
    aspect-ratio: 4/3;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.project-card:hover .project-image img {
    transform: scale(1.05);
}

.project-card .project-title {
    font-size: 1rem;
    line-height: 1.2;
    font-weight: 400;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2; /* giới hạn 3 dòng */
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis; /* dấu ... nếu tràn */
    text-align: left;
}

/* Ban đầu grid-item nhỏ và mờ */
.grid-item {
    opacity: 0.5;
    transform: scale(0.5); /* chỉ nhỏ, không bay lên */
    transition: transform 0.6s ease-out, opacity 0.6s ease-out;
}

/* Khi AOS active (scroll vào) */
.grid-item.aos-animate {
    opacity: 1;
    transform: scale(1); /* trở về bình thường */
}

/* Positioning cho từng item */
.item-1 {
    grid-column: 1;
    grid-row: 1;
}

.item-2 {
    grid-column: 2;
    grid-row: 1;
}

.item-3 {
    grid-column: 3 / 5;
    grid-row: 1 / 3;
}

.item-4 {
    grid-column: 1 / 3;
    grid-row: 2 / 4;
}

.item-5 {
    grid-column: 3;
    grid-row: 3;
}

.item-6 {
    grid-column: 4;
    grid-row: 3;
}

/* Card lớn */
.project-card .project-image {
    margin-bottom: 20px;
}

/* Responsive */
@media (max-width: 1120px) {
    .projects-grid {
        gap: 30px;
    }
}

@media (max-width: 968px) {
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
        grid-auto-rows: minmax(220px, auto);
        gap: 20px;
    }

    /* Reset grid positions nếu cần */
    .item-1, .item-2, .item-3, .item-4, .item-5, .item-6 {
        grid-column: auto;
        grid-row: auto;
    }

    .project-card .project-title {
        font-size: 1.1rem;
    }
}

@media (max-width: 768px) {
    .projects-grid {
        grid-template-columns: 1fr;
        grid-auto-rows: minmax(200px, auto);
    }

    .project-card .project-title {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .projects-grid {
        grid-auto-rows: minmax(150px, auto);
        gap: 15px;
    }

    .project-card .project-title {
        font-size: 0.9rem;
    }
}