/* Portfolio — dark gallery. Load after styles.css. Uses DESIGN.md tokens. */

.portfolio-page {
    background: var(--bg-dark);
}

/* Header */
.portfolio-header {
    background: var(--bg-dark);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
}

.portfolio-header .header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}

.portfolio-header .site-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-white);
    text-decoration: none;
}

.portfolio-header .site-title:hover {
    color: var(--accent-amber);
}

.portfolio-nav {
    display: flex;
    gap: 1.5rem;
}

.portfolio-nav a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s ease;
}

.portfolio-nav a:hover,
.portfolio-nav a:focus {
    color: var(--text-white);
}

/* Sections */
.portfolio-section {
    padding: 3rem 0;
}

.portfolio-section + .portfolio-section {
    border-top: 1px solid var(--border-color);
}

.section-title {
    font-family: 'Fraunces', Georgia, serif;
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

/* Gallery grid */
.gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
    list-style: none;
}

.gallery-item {
    margin: 0;
}

.gallery-item-inner {
    display: block;
    position: relative;
    width: 100%;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    padding: 0;
    text-align: left;
    transition: border-color 0.2s ease, transform 0.2s ease-in-out;
}

.gallery-item-inner:hover {
    border-color: var(--accent-amber);
    transform: translateY(-2px);
}

.gallery-item-inner:focus {
    outline: 2px solid var(--accent-amber);
    outline-offset: 2px;
}

.gallery-item-inner img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.25s ease;
}

.gallery-item-inner:hover img,
.gallery-item-inner:focus img {
    transform: scale(1.03);
}

/* Rollover overlay */
.gallery-item-info {
    position: absolute;
    inset: 0;
    background: rgba(15, 18, 28, 0.85);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 1rem;
    opacity: 0;
    transition: opacity 0.2s ease;
    border-radius: 7px;
}

.gallery-item-inner:hover .gallery-item-info,
.gallery-item-inner:focus .gallery-item-info {
    opacity: 1;
}

.gallery-item-title {
    font-family: 'Fraunces', Georgia, serif;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-white);
}

.gallery-item-caption {
    font-size: 0.8rem;
    color: var(--text-light);
    margin-top: 0.25rem;
}

/* Modal — full-size overlay */
.modal {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    background: rgba(10, 12, 18, 0.95);
    visibility: hidden;
    opacity: 0;
    transition: opacity 0.2s ease, visibility 0.2s ease;
}

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

.modal-backdrop {
    position: absolute;
    inset: 0;
    cursor: pointer;
}

.modal-content {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.modal-close {
    position: absolute;
    top: -2.5rem;
    right: 0;
    width: 2.5rem;
    height: 2.5rem;
    border: none;
    background: transparent;
    color: var(--text-white);
    font-size: 2rem;
    line-height: 1;
    cursor: pointer;
    padding: 0;
    border-radius: 4px;
    transition: background 0.2s ease;
}

.modal-close:hover,
.modal-close:focus {
    background: var(--bg-surface-2);
    outline: none;
}

.modal-image {
    max-width: 100%;
    max-height: 80vh;
    width: auto;
    height: auto;
    object-fit: contain;
    display: block;
    border-radius: 4px;
}

.modal-caption {
    margin-top: 1rem;
    text-align: center;
}

.modal-title {
    display: block;
    font-family: 'Fraunces', Georgia, serif;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-white);
}

.modal-desc {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

/* Footer */
.portfolio-footer {
    border-top: 1px solid var(--border-color);
    padding: 1.5rem 0;
    text-align: center;
}

.portfolio-footer p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.portfolio-footer a {
    color: var(--text-light);
    text-decoration: none;
    transition: color 0.2s ease;
}

.portfolio-footer a:hover {
    color: var(--text-white);
}

/* Responsive */
@media (max-width: 640px) {
    .portfolio-nav {
        gap: 1rem;
    }

    .gallery {
        grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
        gap: 1rem;
    }

    .modal-content {
        max-width: 100%;
    }
}