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

:root {
    --text-primary: #111;
    --text-secondary: #666;
    --bg: #fff;
    --border: #e5e5e5;
    --accent: #111;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
        'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
        sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    color: var(--text-primary);
    background: var(--bg);
    line-height: 1.6;
}

/* Main Content */
main {
    padding-top: 0;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section {
    min-height: 100vh;
    padding: 8rem 0 6rem 0;
    display: flex;
    align-items: center;
}

/* Typography */
h1 {
    font-size: 3rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

h2 {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 3rem;
    letter-spacing: -0.02em;
}

h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    letter-spacing: -0.01em;
}

.intro {
    font-size: 1.25rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 2rem;
    max-width: 600px;
}

.intro a {
    color: inherit;
    text-decoration: none;
    border-bottom: 1px solid var(--text-secondary);
}

.intro a:hover {
    opacity: 0.6;
}

/* Links */
.links {
    display: flex;
    gap: 1.5rem;
    margin-top: 2rem;
}

.link {
    color: var(--text-primary);
    text-decoration: none;
    border-bottom: 1px solid var(--text-primary);
    transition: opacity 0.2s;
    font-size: 0.95rem;
}

.link:hover {
    opacity: 0.6;
}

/* Projects */
.projects, .articles {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

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

.project:last-child, .article:last-child {
    border-bottom: none;
}

.project p, .article p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.date {
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.project-link {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 0.95rem;
    transition: opacity 0.2s;
    display: inline-block;
}

.project-link:hover {
    opacity: 0.6;
}

.back-link {
    display: inline-block;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    margin-bottom: 2rem;
    transition: color 0.2s;
}

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

/* Responsive */
@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    .intro {
        font-size: 1.1rem;
    }

    .section {
        min-height: auto;
        padding: 4rem 0;
    }

    .container {
        padding: 0 1.5rem;
    }

    .links {
        flex-wrap: wrap;
    }
}