/* Projects page: intro, domain filter, featured card, tile grid, detail popup */

.projects-intro h1 {
    font-size: clamp(2.8rem, 8vw, 5rem);
    font-weight: 900;
    line-height: 0.9;
    text-transform: uppercase;
    margin-bottom: 15px;
}

.projects-intro p {
    font-size: 1.15rem;
    max-width: 680px;
}

/* ----- Filter ----- */
.project-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    padding-top: 20px;
    border-top: 3px solid var(--bg-black);
}

.project-filter-btn {
    font-family: 'Space Mono', monospace;
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 6px 14px;
    background: transparent;
    color: var(--text-black);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
}

.project-filter-btn:hover {
    transform: translate(-2px, -2px);
    box-shadow: 2px 2px 0 var(--border-color);
}

.project-filter-btn.active {
    background: var(--bg-black);
    color: var(--bg-yellow);
}

/* ----- Tiles ----- */
.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(320px, 100%), 1fr));
    gap: 30px;
}

.project-tile {
    background: white;
    border: 3px solid var(--bg-black);
    border-radius: var(--radius-card);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    color: var(--text-black);
    text-decoration: none;
    transition: var(--transition);
}

.project-tile:focus-visible {
    outline: 3px solid var(--bg-black);
    outline-offset: 3px;
}

.project-tile.is-hidden,
.featured-project.is-hidden {
    display: none;
}

.project-tile-image {
    aspect-ratio: 16 / 9;
    border-bottom: 3px solid var(--bg-black);
    overflow: hidden;
    background: var(--bg-black);
}

.project-tile-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: var(--transition);
}

.project-tile-content {
    padding: 22px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    flex-grow: 1;
}

.project-tile-meta {
    font-family: 'Space Mono', monospace;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    opacity: 0.7;
}

.project-tile-content h3 {
    font-size: 1.25rem;
    font-weight: 900;
    line-height: 1.15;
    text-transform: uppercase;
}

.project-tile-content p {
    font-size: 0.95rem;
    line-height: 1.45;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.project-tile-more {
    margin-top: auto;
    font-family: 'Space Mono', monospace;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
}

/* Domain chips (styles.css defines .project-tags span for the home page) */
.project-tile .project-tags {
    margin-top: 0;
}

/* ----- Featured card ----- */
/* the featured projects sit side by side, two to a row */
.featured-project {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 30px;
    align-items: stretch;
}

.featured-project:not(:empty):not(.is-hidden) {
    margin-bottom: 30px;
}

.project-tile-featured .project-tile-image {
    aspect-ratio: 16 / 9;
}

.project-tile-featured .project-tile-content {
    padding: 26px;
    gap: 14px;
}

.project-tile-featured h3 {
    font-size: 1.5rem;
}

.project-tile-featured p {
    font-size: 1.05rem;
    -webkit-line-clamp: 5;
}

.featured-badge {
    align-self: flex-start;
    font-family: 'Space Mono', monospace;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    background: var(--bg-yellow);
    border: 2px solid var(--bg-black);
    border-radius: 6px;
    padding: 2px 10px;
}

.project-links {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    text-decoration: none;
    color: var(--bg-yellow);
    background: var(--bg-black);
    border: 2px solid var(--bg-black);
    border-radius: 8px;
    transition: var(--transition);
}

@media (max-width: 900px) {
    .featured-project {
        grid-template-columns: minmax(0, 1fr);
    }
}

/* ----- Detail popup ----- */
body.pm-open {
    overflow: hidden;
}

.project-modal {
    position: fixed;
    inset: 0;
    z-index: 2000;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 30px;
}

.project-modal[hidden] {
    display: none;
}

.pm-panel {
    position: relative;
    width: min(920px, 100%);
    max-height: 100%;
    background: var(--bg-yellow);
    border: 3px solid var(--bg-black);
    border-radius: var(--radius-main);
    box-shadow: 10px 10px 0 var(--bg-black);
    overflow: hidden;
    display: flex;
}

.pm-scroll {
    overflow-y: auto;
    scrollbar-width: none;
    width: 100%;
}

.pm-scroll::-webkit-scrollbar {
    display: none;
}

.pm-close {
    position: absolute;
    top: 16px;
    right: 16px;
    z-index: 1;
    width: 44px;
    height: 44px;
    font-size: 1.2rem;
    color: var(--bg-yellow);
    background: var(--bg-black);
    border: 2px solid var(--bg-yellow);
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
}

.pm-close:hover {
    transform: rotate(90deg);
}

.pm-cover {
    width: 100%;
    aspect-ratio: 16 / 9;
    max-height: 420px;
    object-fit: cover;
    display: block;
    border-bottom: 3px solid var(--bg-black);
    background: var(--bg-black);
}

.pm-body {
    padding: 30px 40px 40px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.pm-meta {
    font-family: 'Space Mono', monospace;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    opacity: 0.75;
}

.pm-title {
    font-size: clamp(1.8rem, 4vw, 2.6rem);
    font-weight: 900;
    line-height: 1;
    text-transform: uppercase;
}

.pm-domains {
    margin-top: 0;
}

/* Team / guide / course */
.pm-credits {
    display: flex;
    flex-direction: column;
    gap: 4px;
    font-size: 0.92rem;
}

.pm-credits[hidden] {
    display: none;
}

.pm-credits div {
    display: flex;
    gap: 10px;
}

.pm-credits dt {
    flex: 0 0 64px;
    font-family: 'Space Mono', monospace;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    padding-top: 2px;
}

.pm-credits dd {
    margin: 0;
    font-weight: 600;
}

/* Optional README below the write-up */
.pm-readme {
    margin-top: 2em;
    border: 3px solid var(--bg-black);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.5);
}

.pm-readme summary {
    cursor: pointer;
    padding: 12px 16px;
    font-family: 'Space Mono', monospace;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
}

.pm-readme[open] summary {
    border-bottom: 3px solid var(--bg-black);
}

.pm-readme-body {
    padding: 16px 20px;
}

.pm-readme-body > * + *,
.pm-readme-inline > * + * {
    margin-top: 1em;
}

.pm-label {
    margin-top: 10px;
    font-size: 0.85rem;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.pm-skills {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.pm-skills span {
    background: white;
    border: 2px solid var(--bg-black);
    border-radius: 6px;
    padding: 3px 10px;
    font-size: 0.8rem;
    font-weight: 700;
}

/* Write-up / README body */
.pm-details {
    margin-top: 10px;
    padding-top: 20px;
    border-top: 3px solid var(--bg-black);
    font-size: 1.02rem;
    line-height: 1.7;
}

.pm-details > * + * {
    margin-top: 1em;
}

.pm-details h1,
.pm-details h2,
.pm-details h3 {
    font-weight: 900;
    line-height: 1.2;
    text-transform: uppercase;
    margin-top: 1.6em;
}

.pm-details > :first-child {
    margin-top: 0;
}

.pm-details h1 { font-size: 1.6rem; }
.pm-details h2 { font-size: 1.3rem; padding-bottom: 6px; border-bottom: 3px solid var(--bg-black); }
.pm-details h3 { font-size: 1.05rem; }
.pm-details h4 { font-size: 1rem; font-weight: 900; }

.pm-details ul,
.pm-details ol {
    padding-left: 1.4em;
}

.pm-details li + li {
    margin-top: 0.35em;
}

.pm-details a {
    color: var(--text-black);
    font-weight: 700;
    text-decoration-thickness: 2px;
    text-underline-offset: 3px;
}

.pm-details code {
    font-family: 'Space Mono', monospace;
    font-size: 0.85em;
    background: #fef3c7; /* soft highlight, same as blog posts */
    color: #92400e;
    border: 1px solid #fde68a;
    padding: 1px 6px;
    border-radius: 4px;
}

.pm-details pre {
    background: var(--bg-black);
    color: var(--bg-yellow);
    border-radius: 12px;
    padding: 18px;
    overflow-x: auto;
    line-height: 1.5;
}

.pm-details pre code {
    padding: 0;
    background: none;
    border: none;
    color: inherit;
}

.pm-details kbd {
    font-family: 'Space Mono', monospace;
    font-size: 0.85em;
    background: white;
    border: 2px solid var(--bg-black);
    border-radius: 4px;
    padding: 0 6px;
}

.pm-details img {
    max-width: 100%;
    border: 3px solid var(--bg-black);
    border-radius: 12px;
    background: white;
}

.pm-details table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border: 3px solid var(--bg-black);
    font-size: 0.92rem;
}

.pm-details th,
.pm-details td {
    padding: 8px 12px;
    border: 2px solid var(--bg-black);
    text-align: left;
}

.pm-details th {
    background: var(--bg-black);
    color: var(--bg-yellow);
    text-transform: uppercase;
    font-size: 0.78rem;
}

.pm-details hr {
    border: none;
    border-top: 3px solid var(--bg-black);
}

.pm-details blockquote {
    border-left: 6px solid var(--bg-black);
    background: rgba(0, 0, 0, 0.06);
    padding: 12px 18px;
    border-radius: 0 12px 12px 0;
}

.pm-loading {
    font-family: 'Space Mono', monospace;
    font-size: 0.85rem;
    opacity: 0.7;
}

@media (max-width: 700px) {
    .project-modal {
        padding: 10px;
    }

    .pm-body {
        padding: 22px 20px 30px;
    }
}

/* Diagrams drawn from a README's mermaid blocks */
.pm-mermaid {
    overflow-x: auto;
    padding: 12px;
    background: #fff;
    border: 2px solid var(--bg-black);
    border-radius: 10px;
    text-align: center;
}

.pm-mermaid svg {
    max-width: 100%;
    height: auto;
}

.pm-readme-body img {
    max-width: 100%;
    height: auto;
}