/* Projects page specific performance and layout tuning */
body[data-page="projects"] #research,
body[data-page="projects"] #case-study,
body[data-page="projects"] #contact {
    content-visibility: auto;
    contain-intrinsic-size: 900px;
}

/* Research Lab section */
body[data-page="projects"] .research-section {
    padding-bottom: 6rem;
}

body[data-page="projects"] .research-header {
    max-width: 780px;
    margin-bottom: 1.8rem;
}

body[data-page="projects"] .research-header .section-desc {
    max-width: 56ch;
}

/* Carousel controls */
body[data-page="projects"] .carousel-controls {
    margin: -0.2rem 0 0.7rem;
}

body[data-page="projects"] .carousel-btn {
    border: 1px solid rgba(15, 23, 42, 0.12);
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 4px 10px rgba(15, 23, 42, 0.08);
}

/* Card layout */
body[data-page="projects"] .carousel-track {
    align-items: stretch;
}

body[data-page="projects"] .research-card-link {
    display: flex;
    align-items: stretch;
    height: 100%;
    border-radius: 20px;
    padding: 0.18rem;
    text-decoration: none;
    color: inherit;
    transition: transform 0.2s ease;
}

body[data-page="projects"] .research-card-link:hover {
    transform: translateY(-2px);
}

body[data-page="projects"] .research-card {
    width: min(370px, 88vw);
    height: 100%;
    display: flex;
    flex-direction: column;
    border-radius: 20px;
    border: 1px solid rgba(15, 23, 42, 0.1);
    background: #ffffff;
    box-shadow: 0 10px 24px rgba(15, 23, 42, 0.08);
    overflow: hidden;
    transform: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

body[data-page="projects"] .research-card::before,
body[data-page="projects"] .research-card::after {
    content: none;
}

body[data-page="projects"] .research-card:hover {
    border-color: rgba(15, 23, 42, 0.14);
    box-shadow: 0 12px 26px rgba(15, 23, 42, 0.1);
    transform: none;
}

body[data-page="projects"] .research-card .rc-image {
    margin: 0.62rem;
    margin-bottom: 0;
    height: 204px;
    border-radius: 14px;
    border: 1px solid rgba(15, 23, 42, 0.08);
    box-shadow: none;
    background: #f8fafc;
    overflow: hidden;
}

body[data-page="projects"] .research-card .rc-image::after {
    content: none;
}

body[data-page="projects"] .research-card .rc-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scale(1);
    transition: transform 0.35s ease;
}

body[data-page="projects"] .research-card-link:hover .rc-image img {
    transform: scale(1.02);
    filter: none;
}

body[data-page="projects"] .research-card .rc-image.rc-image-viz-focus {
    padding: 0.36rem;
}

body[data-page="projects"] .research-card .rc-image.rc-image-viz-focus img {
    object-fit: contain;
    border-radius: 10px;
    background: #ffffff;
}

body[data-page="projects"] .research-card .rc-badge {
    top: 0.7rem;
    left: 0.7rem;
    border-radius: 999px;
    padding: 0.28rem 0.62rem;
    border: 1px solid rgba(15, 23, 42, 0.16);
    background: rgba(255, 255, 255, 0.96);
    box-shadow: none;
    color: #0f172a;
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

body[data-page="projects"] .research-card .rc-content {
    display: flex;
    flex-direction: column;
    flex: 1;
    padding: 1rem 1.02rem 1.08rem;
}

body[data-page="projects"] .research-card .rc-content h3 {
    margin-bottom: 0.56rem;
    font-size: 1.08rem;
    line-height: 1.33;
}

body[data-page="projects"] .research-card .rc-content p {
    margin-bottom: 0.86rem;
    color: rgba(30, 41, 59, 0.9);
    font-size: 0.88rem;
    line-height: 1.48;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

body[data-page="projects"] .research-card .rc-skills {
    margin-top: auto;
    display: flex;
    flex-wrap: wrap;
    gap: 0.44rem;
    min-height: 2rem;
}

body[data-page="projects"] .research-card .rc-skills span {
    padding: 0.3rem 0.56rem;
    border-radius: 999px;
    border: 1px solid rgba(15, 23, 42, 0.14);
    background: #f8fafc;
    color: rgba(15, 23, 42, 0.84);
    font-size: 0.69rem;
    letter-spacing: 0.01em;
}

body[data-page="projects"] .research-card .rc-skills span:nth-child(n + 3) {
    display: none;
}

body[data-page="projects"] .carousel-hint {
    margin-top: 1.1rem;
}

/* Keyboard accessibility */
body[data-page="projects"] .research-card-link:focus-visible,
body[data-page="projects"] .carousel-btn:focus-visible,
body[data-page="projects"] .lab-collab-actions .btn-primary:focus-visible,
body[data-page="projects"] .lab-collab-actions .btn-outline:focus-visible {
    outline: 3px solid rgba(2, 132, 199, 0.4);
    outline-offset: 3px;
}

body[data-page="projects"] .research-card-link:focus-visible .research-card {
    border-color: rgba(2, 132, 199, 0.42);
    box-shadow: 0 0 0 2px rgba(2, 132, 199, 0.18), 0 12px 26px rgba(15, 23, 42, 0.12);
}

/* Open collaboration section */
body[data-page="projects"] .lab-collab-section {
    position: relative;
    margin-top: clamp(1.8rem, 4vw, 2.8rem);
    padding: clamp(1.2rem, 2.4vw, 1.8rem);
    border-radius: 20px;
    border: 1px solid rgba(15, 23, 42, 0.1);
    background: #ffffff;
    box-shadow: 0 10px 24px rgba(15, 23, 42, 0.08);
    display: grid;
    gap: 1rem;
}

body[data-page="projects"] .lab-collab-section::before {
    content: "";
    position: absolute;
    left: 1.05rem;
    right: 1.05rem;
    top: 0;
    height: 3px;
    border-radius: 999px;
    background: linear-gradient(90deg, rgba(14, 165, 233, 0.75), rgba(34, 197, 94, 0.55));
}

body[data-page="projects"] .lab-collab-kicker {
    display: inline-flex;
    align-items: center;
    padding: 0.3rem 0.62rem;
    border-radius: 999px;
    border: 1px solid rgba(15, 23, 42, 0.14);
    background: #f8fafc;
    color: rgba(15, 23, 42, 0.82);
    font-size: 0.68rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    font-weight: 650;
}

body[data-page="projects"] .lab-collab-headline h2 {
    margin: 0.64rem 0 0.55rem;
    font-size: clamp(1.25rem, 2.2vw, 1.72rem);
    line-height: 1.2;
    letter-spacing: -0.015em;
}

body[data-page="projects"] .lab-collab-headline p {
    margin: 0;
    max-width: 70ch;
    font-size: 0.94rem;
    line-height: 1.58;
    color: rgba(30, 41, 59, 0.9);
}

body[data-page="projects"] .lab-collab-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
}

body[data-page="projects"] .lab-collab-actions .btn-outline {
    border-color: rgba(15, 23, 42, 0.2);
    background: rgba(255, 255, 255, 0.82);
}

body[data-page="projects"] .lab-collab-actions .btn-primary:hover,
body[data-page="projects"] .lab-collab-actions .btn-outline:hover {
    transform: translateY(-1px);
    box-shadow: 0 10px 20px rgba(15, 23, 42, 0.12);
}

@media (max-width: 1024px) {
    body[data-page="projects"] .research-card .rc-image {
        height: 190px;
    }

    body[data-page="projects"] .research-card .rc-content {
        padding: 0.92rem 0.92rem 1rem;
    }
}

@media (max-width: 700px) {
    body[data-page="projects"] .research-card .rc-image {
        height: 178px;
        margin: 0.52rem;
        margin-bottom: 0;
    }

    body[data-page="projects"] .research-card .rc-content h3 {
        font-size: 1.02rem;
    }

    body[data-page="projects"] .research-card .rc-content p,
    body[data-page="projects"] .research-card .rc-skills {
        min-height: 0;
    }

    body[data-page="projects"] .lab-collab-section {
        border-radius: 18px;
        gap: 0.85rem;
    }

    body[data-page="projects"] .lab-collab-actions .btn-primary,
    body[data-page="projects"] .lab-collab-actions .btn-outline {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 900px), (prefers-reduced-motion: reduce) {
    body[data-page="projects"] .parallax-bg.layer-3,
    body[data-page="projects"] .parallax-bg.layer-4 {
        display: none;
    }

    body[data-page="projects"] .research-card-link:hover {
        transform: none;
    }

    body[data-page="projects"] .research-card .rc-image img,
    body[data-page="projects"] .research-card-link:hover .rc-image img {
        transform: none;
        transition: none;
    }

    body[data-page="projects"] .lab-collab-actions .btn-primary:hover,
    body[data-page="projects"] .lab-collab-actions .btn-outline:hover {
        transform: none;
    }
}