/* Master-Detail Projects Section */
.projects-section {
    padding: 6rem 5%;
    position: relative;
}

.projects-layout {
    display: grid;
    grid-template-columns: 35% 1fr;
    grid-template-areas:
        "intro preview"
        "thumbs preview"
        "details preview";
    gap: 4rem;
    max-width: 1400px;
    margin: 0 auto;
    align-items: start;
}

/* Children Grid Placement */
.projects-intro {
    grid-area: intro;
    margin-bottom: 3rem;
}

.thumbnails-wrapper {
    grid-area: thumbs;
    position: relative;
    padding-left: 20px;
}

.project-details-container {
    grid-area: details;
    margin-top: 3rem;
    opacity: 1;
    transition: opacity 0.3s ease;
    min-height: 200px;
    position: relative;
}

.projects-preview {
    grid-area: preview;
    width: 100%;
    position: relative;
}

/* Inner Elements Styles */
.projects-intro p {
    color: #8b949e;
    font-size: 1rem;
    margin-top: 1rem;
}

.thumbnails-container {
    display: flex;
    gap: 1.5rem;
    position: relative;
    /* padding-left: 20px; Removed, handled by wrapper */
}

.thumbnail-item {
    width: 100px;
    height: 70px;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all 0.3s ease;
    opacity: 0.6;
    position: relative;
}

.thumbnail-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.thumbnail-item:hover {
    opacity: 1;
    transform: translateY(-3px);
}

.thumbnail-item.active {
    border-color: var(--primary-color);
    opacity: 1;
    box-shadow: 0 0 15px rgba(88, 166, 255, 0.4);
}

.project-details-container.fading {
    opacity: 0;
}

.detail-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 0.5rem;
    font-family: var(--font-heading);
}

.detail-desc {
    color: #8b949e;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    font-size: 1rem;
}

.detail-tags {
    display: flex;
    gap: 0.8rem;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
}

.detail-tag {
    background-color: rgba(56, 139, 253, 0.1);
    color: var(--primary-color);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    border: 1px solid rgba(56, 139, 253, 0.2);
}

.active-line-connector {
    position: absolute;
    top: 75px;
    left: 20px;
    width: 2px;
    height: 50px;
    background: linear-gradient(to bottom, var(--primary-color), transparent);
    z-index: 0;
    transition: left 0.4s ease;
}

.horizontal-connector {
    position: absolute;
    top: 125px;
    left: 20px;
    height: 2px;
    background: linear-gradient(to right, transparent, var(--primary-color));
    width: 0;
    transition: all 0.4s ease;
    z-index: 0;
}

.preview-card {
    width: 100%;
    aspect-ratio: 16/10;
    background-color: #161b22;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.5);
    border: 1px solid #30363d;
    position: relative;
}

.preview-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.2, 1, 0.3, 1), opacity 0.4s ease;
}

.preview-card:hover .preview-image {
    transform: scale(1.03);
}

.preview-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 2rem;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
    display: flex;
    justify-content: flex-end;
}

.preview-card:hover .preview-overlay {
    opacity: 1;
}

.view-project-btn {
    background-color: var(--primary-color);
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.2rem;
    transition: transform 0.3s ease;
}

.view-project-btn:hover {
    transform: scale(1.1) rotate(45deg);
}

/* Responsive Reordering */
@media (max-width: 1024px) {
    .projects-layout {
        display: flex;
        flex-direction: column;
        gap: 2rem;
    }

    .projects-intro {
        order: 1;
        /* Title First */
        margin-bottom: 1rem;
    }

    .projects-preview {
        order: 2;
        /* Image Second */
        width: 100%;
    }

    .thumbnails-wrapper {
        order: 3;
        /* Thumbs Third */
        padding-left: 0;
        display: flex;
        justify-content: center;
    }

    .project-details-container {
        order: 4;
        /* Details Last */
        margin-top: 1rem;
    }

    .thumbnails-container {
        flex-wrap: wrap;
        /* Allow wrapping */
        justify-content: center;
    }

    .active-line-connector,
    .horizontal-connector {
        display: none !important;
        /* Hide complex connectors on mobile */
    }

    .preview-card {
        aspect-ratio: auto;
        height: 300px;
        /* Fixed height for mobile */
    }

    .preview-overlay {
        padding: 1rem;
    }
}