/* Homepage — research & projects (index.html only) */

.home-section {
    padding: 3rem 0 0;
    border-top: 1px solid var(--border);
    text-align: left;
}

.home-section-title {
    margin: 0 0 1.75rem;
    font-size: 1.5rem;
    font-weight: bold;
    letter-spacing: 0.15em;
}

/* Research */
.research-list {
    list-style: none;
    margin: 0;
    padding: 0;
    border-top: 1px solid var(--border);
}

.research-item {
    padding: 1.25rem 0;
    border-bottom: 1px solid var(--border);
}

.research-meta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.55rem;
    font-size: 0.82rem;
    color: var(--text-muted);
}

.research-tag {
    font-size: 0.68rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    border: 1px solid var(--border);
    padding: 0.12rem 0.45rem;
    color: var(--text-muted);
}

.research-title {
    margin: 0 0 0.7rem;
    font-size: 1rem;
    font-weight: 600;
    line-height: 1.55;
}

.research-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem 1.5rem;
    margin: 0;
    font-size: 0.88rem;
}

.research-links a {
    color: var(--text);
    text-decoration: underline;
    text-underline-offset: 3px;
    transition: color 0.2s ease;
}

.research-links a:hover {
    color: var(--text-muted);
}

/* Projects */
.project-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
}

.project-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    width: 100%;
    padding: 1.1rem 1.15rem;
    border: 1px solid var(--border);
    background: var(--bg-subtle);
    text-align: left;
    cursor: pointer;
    font-family: inherit;
    color: inherit;
    transition: border-color 0.2s ease, background-color 0.2s ease;
}

.project-card:hover {
    border-color: var(--text-muted);
    background: transparent;
}

.project-card:focus-visible {
    outline: 1px dashed var(--text-muted);
    outline-offset: 4px;
}

.project-card-logo {
    width: 2.75rem;
    height: 2.75rem;
    object-fit: contain;
    flex-shrink: 0;
}

/* AMTF — as-is on dark; full colour invert on light */
:root[data-theme='light'] .project-logo-invert-light {
    filter: invert(1);
}

@media (prefers-color-scheme: light) {
    :root:not([data-theme='dark']) .project-logo-invert-light {
        filter: invert(1);
    }
}

/* Musical Metrics, Choros — monochrome on theme */
.project-logo-adaptive {
    filter: brightness(0) invert(1);
}

:root[data-theme='dark'] .project-logo-adaptive {
    filter: brightness(0) invert(1);
}

:root[data-theme='light'] .project-logo-adaptive {
    filter: brightness(0);
}

@media (prefers-color-scheme: light) {
    :root:not([data-theme='dark']) .project-logo-adaptive {
        filter: brightness(0);
    }
}

.project-card-text {
    min-width: 0;
}

.project-card-name {
    margin: 0;
    font-size: 0.95rem;
    font-weight: 600;
    line-height: 1.35;
}

.project-card-url {
    margin: 0.2rem 0 0;
    font-size: 0.78rem;
    color: var(--text-muted);
}

/* Project modal */
.project-modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.project-modal-overlay--open {
    opacity: 1;
    visibility: visible;
}

.project-modal {
    position: relative;
    background: var(--bg-subtle);
    border: 1px solid var(--border);
    padding: 2.25rem 2rem 2rem;
    max-width: 440px;
    width: 100%;
    text-align: left;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.project-modal-close {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    min-width: 44px;
    min-height: 44px;
    padding: 0;
    border: none;
    background: transparent;
    color: var(--text);
    font-size: 1.75rem;
    line-height: 1;
    cursor: pointer;
    opacity: 0.7;
    transition: opacity 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.project-modal-close:hover {
    opacity: 1;
}

.project-modal-logo {
    display: block;
    width: 3.5rem;
    height: 3.5rem;
    object-fit: contain;
    margin-bottom: 1.25rem;
}

.project-modal-title {
    margin: 0 0 0.35rem;
    font-size: 1.15rem;
    font-weight: bold;
    line-height: 1.35;
}

.project-modal-desc {
    margin: 0 0 1.75rem;
    font-size: 0.92rem;
    line-height: 1.65;
    color: var(--text);
}

.project-modal-open {
    margin: 0;
    font-size: 0.9rem;
    line-height: 1.5;
    display: flex;
    align-items: baseline;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.project-modal-open-comment {
    color: var(--text);
    opacity: 0.4;
}

.project-modal-open-cmd {
    color: var(--text-muted);
}

.project-modal-visit {
    color: var(--text);
    text-decoration: underline;
    text-underline-offset: 3px;
    transition: color 0.2s ease;
}

.project-modal-visit:hover {
    color: var(--text-muted);
}

.project-modal-visit:focus-visible {
    outline: 1px dashed var(--text-muted);
    outline-offset: 4px;
}

@media (max-width: 640px) {
    .home-section {
        padding-top: 2.5rem;
    }

    .project-grid {
        grid-template-columns: 1fr;
    }

    .project-modal {
        padding: 2rem 1.5rem 1.75rem;
    }
}