/* ============================================================
   Page Projets — filtres en pills mono + grille éditoriale
   de cartes (bandeau typographique, index, catégorie, lien →).
   ============================================================ */

/* ── Section principale ── */
.projects-section {
    padding: clamp(64px, 8vw, 104px) 0 clamp(96px, 12vw, 160px);
    background: var(--paper);
}

/* ── Barre de filtres ── */
.filter-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px 32px;
    flex-wrap: wrap;
    padding-bottom: 28px;
    border-bottom: 1px solid var(--line);
    margin-bottom: clamp(40px, 5vw, 64px);
}

.filter-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.filter-tab {
    font-family: var(--font-mono);
    font-size: 10.5px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: .12em;
    color: var(--ink-soft);
    background: transparent;
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 9px 18px;
    cursor: pointer;
    transition: color .25s ease, background .25s ease, border-color .25s ease;
}

.filter-tab:hover {
    color: var(--ink);
    border-color: var(--ink);
}

/* État actif : pill inversée, fond ink */
.filter-tab.active {
    color: var(--paper-raised);
    background: var(--ink);
    border-color: var(--ink);
}

.filter-count {
    font-family: var(--font-mono);
    font-size: 10.5px;
    text-transform: uppercase;
    letter-spacing: .16em;
    color: var(--ink-soft);
    white-space: nowrap;
}

/* ── Grille de cartes ── */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
}

.project-card {
    display: flex;
    flex-direction: column;
    border: 1px solid var(--line);
    border-radius: 2px;
    overflow: hidden;
    transition: border-color .35s ease, background .35s ease, transform .35s var(--ease);
}

.project-card:hover {
    border-color: rgba(18, 18, 20, .38);
    background: var(--paper-raised);
    transform: translateY(-4px);
}

/* Carte masquée par le filtrage (js/projects.js) */
.project-card.is-hidden {
    display: none;
}

/* ── Bandeau média — typographie outline ou pictogramme ── */
.project-media {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 190px;
    background: var(--coal);
    border-bottom: 1px solid var(--line);
    overflow: hidden;
}

.project-media .card-index {
    position: absolute;
    top: 18px;
    left: 22px;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: .1em;
    color: var(--bone-soft);
}

/* Variante photo — même cadre sombre, image désaturée puis colorée au survol */
.project-media--photo img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(.55) contrast(1.05) brightness(.8);
    transition: filter .6s ease, transform 1.4s var(--ease);
}

.project-card:hover .project-media--photo img {
    filter: none;
    transform: scale(1.03);
}

.project-media--photo .card-index {
    z-index: 3;
    color: var(--bone);
    background: rgba(11, 11, 13, .55);
    border: 1px solid var(--line-dark);
    border-radius: 999px;
    padding: 5px 10px;
    top: 14px;
    left: 16px;
}

/* ── Schéma technique généré (SVG inline unique par projet) ── */
.project-diagram {
    width: 100%;
    height: 100%;
    padding: 14px 10px 6px;
}

.project-diagram .d-base {
    stroke: rgba(242, 241, 237, .42);
}

.project-diagram .d-grid {
    stroke: rgba(242, 241, 237, .1);
}

.project-diagram .d-zone {
    stroke: rgba(242, 241, 237, .28);
    stroke-dasharray: 5 5;
}

.project-diagram .d-node {
    fill: #131316;
    stroke: rgba(242, 241, 237, .5);
}

.project-diagram .d-acc {
    stroke: var(--blue-bright);
}

.project-diagram .d-dot {
    fill: var(--blue-bright);
    stroke: none;
}

.project-diagram .d-lab {
    fill: rgba(242, 241, 237, .5);
    stroke: none;
    font-family: 'JetBrains Mono', ui-monospace, monospace;
    font-size: 8.5px;
    letter-spacing: .16em;
}

/* Flux pointillés animés + blip radar */
.project-diagram .d-flow {
    stroke-dasharray: 3 7;
    animation: diagFlow 2.8s linear infinite;
}

.project-diagram .d-blink {
    animation: diagBlink 2s ease-in-out infinite;
}

@keyframes diagFlow {
    to {
        stroke-dashoffset: -40;
    }
}

@keyframes diagBlink {
    0%, 100% { opacity: .25; }
    50% { opacity: 1; }
}

.project-card:hover .project-diagram .d-base {
    stroke: rgba(242, 241, 237, .6);
}

@media (prefers-reduced-motion: reduce) {
    .project-diagram .d-flow,
    .project-diagram .d-blink {
        animation: none;
    }
}

/* ── Corps de carte ── */
.project-body {
    display: flex;
    flex-direction: column;
    flex: 1;
    gap: 14px;
    padding: 30px 32px 32px;
}

.project-category {
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: .18em;
    color: var(--ink-soft);
}

.project-body h3 {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 28px;
    letter-spacing: -.01em;
    line-height: 1.12;
    color: var(--ink);
}

.project-summary {
    font-size: 15px;
    line-height: 1.75;
    color: var(--ink-soft);
}

/* ── Liens de carte ── */
.project-links {
    margin-top: auto;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px 28px;
    padding-top: 20px;
    border-top: 1px solid var(--line);
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: .14em;
    color: var(--ink);
    transition: color .25s ease;
}

.project-link::after {
    content: '→';
    transition: transform .3s var(--ease);
}

.project-link:hover {
    color: var(--blue);
}

.project-link:hover::after {
    transform: translateX(5px);
}

/* Variante lien externe (URL en minuscules, flèche ↗) */
.project-link--ext {
    text-transform: none;
    letter-spacing: .06em;
    color: var(--ink-soft);
}

.project-link--ext::after {
    content: '↗';
}

.project-link--ext:hover::after {
    transform: translate(3px, -3px);
}

/* ── Responsive ── */
@media (max-width: 768px) {
    .projects-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .project-media {
        height: 140px;
    }

    .project-body {
        padding: 26px 22px 28px;
    }

    .project-body h3 {
        font-size: 26px;
    }
}