:root {
    --gold: #c5a059;
    --dark-gold: #8f6b1e;
    --deep-black: #0a0a0a;
}

* {margin: 0; padding: 0; box-sizing: border-box;}

body {
    font-family: 'Montserrat', sans-serif;
    background-color: var(--deep-black);
    color: #eee;
    line-height: 1.6;
}

.archive-container {
    max-width: 1300px;
    margin: 0 auto;
    padding: 6rem 2rem;
    min-height: 80vh;
}

/* --- Header de la page --- */
.archive-header {
    text-align: center;
    margin-bottom: 5rem;
}

.archive-header h1 {
    font-family: 'Cinzel', serif;
    font-size: 3rem;
    color: var(--gold);
    letter-spacing: 4px;
    text-transform: uppercase;
}

.header-ornament {
    color: var(--dark-gold);
    margin: 1.5rem 0;
    letter-spacing: 10px;
    opacity: 0.7;
}

.archive-header p {
    font-style: italic;
    color: #999;
    max-width: 600px;
    margin: 0 auto 2rem;
}

/* --- Système de Filtrage (Sceaux) --- */
.filter-nav {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin-top: 2.5rem;
}

.filter-link {
    font-family: 'Cinzel', serif;
    text-decoration: none;
    color: var(--dark-gold);
    font-size: 0.9rem;
    padding: 0.5rem 1.2rem;
    border: 1px solid transparent;
    transition: all 0.3s ease;
    letter-spacing: 1px;
    position: relative;
}

.filter-link::after {
    content: "✦";
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    opacity: 0;
    transition: opacity 0.3s;
    font-size: 0.7rem;
    color: var(--gold);
}

.filter-link:hover, .filter-link.active {
    color: var(--gold);
}

.filter-link.active {
    border-bottom: 1px solid var(--gold);
}

.filter-link.active::after {
    opacity: 1;
}

/* --- Grille des Projets --- */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 3rem;
    margin-top: 2rem;
}

/* --- Carte Projet (Héritée du style Manoir) --- */
.project-card {
    background: linear-gradient(145deg, #161616, #0c0c0c);
    border: 1px solid var(--dark-gold);
    padding: 2.5rem;
    position: relative;
    display: flex;
    flex-direction: column;
    transition: all 0.4s ease;
}

.project-card::before, .project-card::after {
    content: "";
    position: absolute;
    width: 25px; height: 25px;
    border: 1px solid var(--gold);
    opacity: 0.3;
}
.project-card::before { top: 12px; left: 12px; border-right: 0; border-bottom: 0; }
.project-card::after { bottom: 12px; right: 12px; border-left: 0; border-top: 0; }

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.8);
    border-color: var(--gold);
}

.project-title {
    font-family: 'Cinzel', serif;
    font-size: 1.5rem;
    color: var(--gold);
    margin-bottom: 1rem;
    border-bottom: 1px solid rgba(197, 160, 89, 0.2);
    padding-bottom: 0.5rem;
}

.project-desc {
    font-size: 0.95rem;
    line-height: 1.6;
    color: #bbb;
    margin-bottom: 2rem;
    flex-grow: 1;
}

.project-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1.2rem;
    border-top: 1px dashed rgba(143, 107, 30, 0.2);
}

.project-context {
    font-size: 0.85rem;
    color: var(--dark-gold);
    font-style: italic;
}

.project-status {
    background: rgba(143, 107, 30, 0.1);
    border: 1px solid var(--dark-gold);
    color: var(--gold);
    font-family: 'Cinzel', serif;
    font-size: 0.7rem;
    padding: 0.3rem 0.7rem;
    text-transform: uppercase;
}

/* --- Empty State --- */
.no-projects {
    grid-column: 1 / -1;
    text-align: center;
    padding: 5rem;
    border: 1px dashed var(--dark-gold);
    color: var(--dark-gold);
    background: rgba(143, 107, 30, 0.05);
}

/* --- Responsive --- */
@media (max-width: 768px) {
    .archive-header h1 { font-size: 2rem; }
    .projects-grid { grid-template-columns: 1fr; }
    .filter-nav { gap: 0.8rem; }
    .filter-link { font-size: 0.8rem; padding: 0.4rem 0.8rem; }
}