@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&display=swap');

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

:root {
    --bg: #0f0f0f;
    --bg2: #1a1a1a;
    --border: #2a2a2a;
    --text: #ccc;
    --white: #eee;
    --gold: #c9a84c;
    --gray: #777;
}

body {
    font-family: 'Inter', sans-serif;
    background: var(--bg);
    color: var(--text);
    font-weight: 300;
}

/* NAV */
.top-bar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 99;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
    background: rgba(15,15,15,0.9);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--border);
}

.top-bar h1 {
    font-size: 1rem;
    font-weight: 500;
    color: var(--white);
}

.top-bar nav a {
    font-size: 0.85rem;
    color: var(--gray);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border: 1px solid var(--border);
    transition: all 0.2s;
}

.top-bar nav a:hover {
    border-color: var(--gold);
    color: var(--gold);
}

/* PAGE PROJET */
.project-page {
    padding-top: 70px;
}

.project-hero {
    padding: 4rem 5% 3rem;
    border-bottom: 1px solid var(--border);
}

.breadcrumb {
    font-size: 0.75rem;
    color: var(--gray);
    margin-bottom: 1.5rem;
}

.breadcrumb a {
    color: var(--gold);
    text-decoration: none;
}

.project-hero h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 300;
    color: var(--white);
    margin-bottom: 1rem;
}

.project-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.project-date {
    font-size: 0.8rem;
    color: var(--gray);
}

.tag {
    font-size: 0.7rem;
    padding: 0.2rem 0.6rem;
    border: 1px solid var(--border);
    color: var(--gray);
}

.project-banner {
    width: 100%;
    height: 280px;
    object-fit: cover;
    border: 1px solid var(--border);
    margin-top: 2rem;
}

.project-banner-placeholder {
    width: 100%;
    height: 280px;
    background: var(--bg2);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray);
    font-size: 0.8rem;
    margin-top: 2rem;
}

/* CONTENU */
.project-content {
    padding: 3rem 5%;
    max-width: 900px;
}

.project-overview {
    margin-bottom: 3rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid var(--border);
}

.project-overview h2 {
    font-size: 0.75rem;
    color: var(--gold);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 400;
    margin-bottom: 1rem;
}

.project-overview p {
    font-size: 1.1rem;
    color: var(--white);
    font-weight: 300;
    line-height: 1.7;
}

.project-details {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
    margin-bottom: 3rem;
}

.detail-section h3 {
    font-size: 0.75rem;
    color: var(--gold);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 400;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border);
}

.detail-section ul {
    list-style: none;
}

.detail-section ul li {
    font-size: 0.88rem;
    color: var(--text);
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border);
}

.detail-section ul li::before {
    content: '— ';
    color: var(--gold);
}

.detail-section p {
    font-size: 0.88rem;
    line-height: 1.7;
    color: var(--text);
}

/* GALERIE */
.project-gallery {
    margin-bottom: 3rem;
}

.project-gallery h3 {
    font-size: 0.75rem;
    color: var(--gold);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 400;
    margin-bottom: 1.5rem;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
}

.gallery-grid img {
    width: 100%;
    border: 1px solid var(--border);
    transition: opacity 0.2s;
}

.gallery-grid img:hover { opacity: 0.85; }

/* CONCLUSION */
.project-conclusion {
    padding: 2rem;
    border: 1px solid var(--border);
    border-left: 3px solid var(--gold);
    margin-bottom: 2rem;
}

.project-conclusion h3 {
    font-size: 0.75rem;
    color: var(--gold);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 400;
    margin-bottom: 0.8rem;
}

.project-conclusion p {
    font-size: 0.9rem;
    line-height: 1.7;
    color: var(--text);
}

/* RETOUR */
.back-section {
    padding: 2rem 5% 3rem;
    border-top: 1px solid var(--border);
}

.back-link {
    font-size: 0.85rem;
    color: var(--gray);
    text-decoration: none;
    padding: 0.6rem 1.2rem;
    border: 1px solid var(--border);
    transition: all 0.2s;
}

.back-link:hover {
    border-color: var(--gold);
    color: var(--gold);
}

/* FOOTER */
footer {
    padding: 1.5rem 5%;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--gray);
}

/* RESPONSIVE */
@media (max-width: 700px) {
    .project-details { grid-template-columns: 1fr; }
    footer { flex-direction: column; gap: 0.3rem; }
}