:root{--accent:#00695c;--text:#1a1a1a;--bg:#ffffff;--muted:#4a4a4a}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;padding:0;color:var(--text);background:var(--bg);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif,Apple Color Emoji,Segoe UI Emoji;line-height:1.6;overflow-x:hidden}footer,section{max-width:640px;margin:0 auto;padding:2rem 1.25rem}a,h1,h2{color:var(--accent)}.hero{text-align:center;padding-top:3rem;padding-bottom:2.5rem}.hero h1{font-size:2.5rem;margin:0 0 .5rem}.hero .subtitle{font-size:1.1rem;color:var(--muted);margin:0}.about h2,.this-semester h2{font-size:1.4rem;margin-top:0}.this-semester ul{padding-left:1.25rem}.this-semester li{margin-bottom:.5rem}footer{text-align:center;color:var(--muted);font-size:.9rem;border-top:1px solid #e0e0e0;margin-top:1rem}@media (max-width:480px){footer,section{padding:1.5rem 1rem}.hero h1{font-size:2rem}.hero{padding-top:2rem}}