:root {
    --bg: #131314;
    --bg-elevated: #1c1c1e;
    --border: #2a2a2c;
    --text: #ececea;
    --text-muted: #9a9a9d;
    --accent: #ac7cff;
    --radius: 10px;
    --font-sans: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", Roboto, sans-serif;
    --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-sans);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a {
    color: inherit;
    text-decoration: none;
}

.accent {
    color: var(--accent);
}

/* Header */
.site-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 900px;
    margin: 0 auto;
    padding: 2rem 1.5rem 1rem;
}

.logo {
    font-weight: 700;
    font-size: 1.1rem;
    letter-spacing: -0.02em;
}

.site-header nav a {
    color: var(--text-muted);
    font-size: 0.9rem;
    transition: color 0.15s ease;
}

.site-header nav a:hover {
    color: var(--text);
}

/* Main */
main {
    max-width: 900px;
    margin: 0 auto;
    padding: 1.5rem;
}

/* Hero */
.hero {
    padding: 3rem 0 2.5rem;
    /* border-bottom: 1px solid var(--border); */
    margin-bottom: 2.5rem;
}

.hero h1 {
    font-size: 2.2rem;
    letter-spacing: -0.03em;
    margin: 0 0 0.75rem;
}

.hero-text {
    color: var(--text-muted);
    max-width: 520px;
    margin: 0;
    font-size: 1rem;
}

/* Grille de projets */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 1.25rem;
}

.project-card {
    display: flex;
    flex-direction: column;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: border-color 0.15s ease, transform 0.15s ease;
}

.project-card:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
}

.project-image {
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: #0f0f10;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.project-card-body {
    padding: 1.1rem 1.25rem 1.4rem;
}

.project-card-body h2 {
    font-size: 1.05rem;
    margin: 0 0 0.4rem;
    letter-spacing: -0.01em;
}

.project-card-body p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin: 0 0 0.75rem;
}

.project-date {
    font-size: 0.78rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

.empty-state {
    color: var(--text-muted);
}

/* Page projet */
.back-link {
    display: inline-block;
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}

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

.project-detail-header {
    margin-bottom: 1.5rem;
}

.project-detail-header h1 {
    font-size: 1.9rem;
    letter-spacing: -0.02em;
    margin: 0 0 0.5rem;
}

.project-detail-image {
    width: 100%;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    margin-bottom: 2rem;
}

.project-content {
    font-size: 1rem;
    color: var(--text);
}

.project-content h2,
.project-content h3 {
    margin-top: 2rem;
    letter-spacing: -0.01em;
}

.project-content p {
    color: #d4d4d2;
}

.project-content a {
    color: var(--accent);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.project-content img {
    max-width: 100%;
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

.project-content code {
    font-family: var(--font-mono);
    background: var(--bg-elevated);
    padding: 0.15em 0.4em;
    border-radius: 4px;
    font-size: 0.88em;
}

.project-content pre {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1rem 1.2rem;
    overflow-x: auto;
}

.project-content pre code {
    background: none;
    padding: 0;
}

.project-content ul,
.project-content ol {
    color: #d4d4d2;
    padding-left: 1.3rem;
}

.project-content blockquote {
    border-left: 3px solid var(--accent);
    margin: 1.2rem 0;
    padding: 0.2rem 1rem;
    color: var(--text-muted);
}

.project-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
}

.project-content th,
.project-content td {
    border: 1px solid var(--border);
    padding: 0.5rem 0.75rem;
    text-align: left;
}

/* Footer */
.site-footer {
    max-width: 900px;
    margin: 3rem auto 0;
    padding: 1.5rem;
    border-top: 1px solid var(--border);
    font-size: 0.82rem;
}

.linkedin-link {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    color: var(--text-muted);
    transition: color 0.15s ease, gap 0.15s ease;
}

.linkedin-link:hover {
    color: var(--accent);
    gap: 0.55rem;
}

.linkedin-link .arrow {
    transition: transform 0.15s ease;
}

.linkedin-link:hover .arrow {
    transform: translateX(2px);
}

/* Responsive */
@media (max-width: 600px) {
    .hero h1 {
        font-size: 1.7rem;
    }
    .projects-grid {
        grid-template-columns: 1fr;
    }
}