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

:root {
    --text-primary: #1a1a1a;
    --text-secondary: #666;
    --bg-primary: #ffffff;
    --accent: #0366d6;
    --accent-hover: #0256c7;
    --border-light: #e1e4e8;
}

@media (prefers-color-scheme: dark) {
    :root {
        --text-primary: #e1e4e8;
        --text-secondary: #8b949e;
        --bg-primary: #0d1117;
        --accent: #58a6ff;
        --accent-hover: #79b8ff;
        --border-light: #30363d;
    }
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

main {
    width: 100%;
    padding: 2rem;
}

.container {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

header {
    margin-bottom: 3rem;
}

h1 {
    font-size: 3rem;
    font-weight: 700;
    letter-spacing: -0.025em;
    margin-bottom: 0.5rem;
}

.tagline {
    font-size: 1.25rem;
    color: var(--text-secondary);
    font-weight: 400;
}

.bio {
    margin-bottom: 3rem;
}

.bio p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.75;
}

.links {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.github-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    text-decoration: none;
    color: var(--text-primary);
    border: 1px solid var(--border-light);
    border-radius: 0.5rem;
    font-size: 1rem;
    font-weight: 500;
    transition: all 0.2s ease;
}

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

.icon {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

.projects {
    margin-top: 4rem;
}

.projects h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.project-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.project-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    text-decoration: none;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    border: 1px solid var(--border-light);
    border-radius: 0.75rem;
    transition: all 0.2s ease;
    text-align: left;
}

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

.project-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.project-info h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: var(--text-primary);
}

.project-info p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

@media (max-width: 640px) {
    h1 {
        font-size: 2.5rem;
    }
    
    .tagline {
        font-size: 1.125rem;
    }
    
    .bio p {
        font-size: 1rem;
    }
    
    .project-link {
        padding: 1rem;
    }
    
    .project-icon {
        font-size: 1.5rem;
    }
    
    .project-info h3 {
        font-size: 1rem;
    }
}