body {
    margin: 0;
    padding: 0;
    font-family: "Helvetica", "Arial", sans-serif;
    background-color: #fafafa;
    min-height: 100vh;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 40px 20px;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
}

header h1 {
    font-size: 2rem;
    font-weight: 300;
    margin: 0;
}

.back-link {
    text-decoration: none;
    color: #333;
    font-size: 1rem;
    transition: color 0.2s;
}

.back-link:hover {
    color: #666;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
}

.project-card {
    background: white;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    padding: 30px 20px;
    text-decoration: none;
    color: #333;
    transition: all 0.2s;
    text-align: center;
}

.project-card:hover {
    border-color: #999;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

.project-card h2 {
    font-size: 1.5rem;
    font-weight: 400;
    margin: 0 0 10px 0;
}

.project-card p {
    font-size: 0.9rem;
    color: #666;
    margin: 0;
}

@media (prefers-color-scheme: dark) {
    body {
        background-color: #050608;
        color: #f5f5f5;
    }

    .back-link {
        color: #e0e0e0;
    }

    .back-link:hover {
        color: #ffffff;
    }

    .project-card {
        background: #11141a;
        border-color: #2b2f3a;
        color: #f5f5f5;
    }

    .project-card:hover {
        border-color: #4b5163;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.6);
    }

    .project-card p {
        color: #c0c4d0;
    }
}