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

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    line-height: 1.6;
    color: #000;
    background: #fff;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
    display: flex;
    flex-direction: column;
    max-width: 100%;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

header {
    margin-bottom: 2rem;
}

header h1 {
    font-size: 1.5rem;
    font-weight: 400;
    letter-spacing: -0.02em;
}

.hero {
    margin-bottom: 4rem;
}

.tagline {
    font-size: 1.25rem;
    font-weight: 300;
    letter-spacing: -0.01em;
}

.section {
    margin-bottom: 2.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid #e5e5e5;
}

.section:first-of-type {
    border-top: none;
    padding-top: 0;
}

.section h2 {
    font-size: 1.1rem;
    font-weight: 400;
    margin-bottom: 0.75rem;
    letter-spacing: -0.01em;
}

.section p {
    font-size: 1rem;
    font-weight: 300;
    color: #333;
    line-height: 1.7;
}

.section p + p {
    margin-top: 0.5rem;
}

.project-list {
    list-style: disc;
    padding-left: 1.5rem;
}

.project-list li {
    font-size: 1rem;
    font-weight: 300;
    color: #333;
    line-height: 1.7;
    margin-bottom: 0.5rem;
}

.project-list li:last-child {
    margin-bottom: 0;
}

.section a {
    color: #000;
    text-decoration: none;
    transition: opacity 0.2s;
}

.section a:hover {
    opacity: 0.6;
}

footer {
    margin-top: 2.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid #e5e5e5;
}

footer nav {
    display: flex;
    gap: 2rem;
}

footer a {
    color: #000;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 300;
    transition: opacity 0.2s;
}

footer a:hover {
    opacity: 0.6;
}

.copyright {
    margin-top: 1rem;
    font-size: 0.85rem;
    color: #666;
    font-weight: 300;
}

/* Tablet and up */
@media (min-width: 768px) {
    main {
        max-width: 600px;
        padding: 3rem 2rem;
    }
    
    header h1 {
        font-size: 1.75rem;
    }
    
    .tagline {
        font-size: 1.5rem;
    }
    
    .section h2 {
        font-size: 1.25rem;
    }
    
    .section p {
        font-size: 1.1rem;
    }
}

/* Desktop */
@media (min-width: 1024px) {
    main {
        max-width: 700px;
        padding: 4rem 2rem;
    }
    
    header h1 {
        font-size: 2rem;
    }
    
    .tagline {
        font-size: 1.75rem;
    }
    
    .section h2 {
        font-size: 1.4rem;
    }
    
    .section p {
        font-size: 1.15rem;
    }
}