:root{--bg:#fff;--text:#111;--muted:#555;--border:#eaeaea;--accent:#0ea5e9}body,html{padding:0;margin:0;background:var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,Apple Color Emoji,Segoe UI Emoji;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box}h1,h2,h3{line-height:1.25;letter-spacing:.2px;margin-top:0}.ms-container{width:100%;max-width:800px;margin:0 auto;padding:1rem}.ms-btn{display:block;width:100%;max-width:720px;margin:8px auto;padding:12px 16px;font-size:16px;line-height:1.25;border:1px solid var(--border);background:#f7f7f7;color:var(--text);border-radius:8px;cursor:pointer;transition:background .12s ease,border-color .12s ease,transform 80ms ease}.ms-btn:hover{background:#f0f8ff;border-color:var(--accent)}.ms-btn:active{transform:translateY(.5px)}.ms-btn--primary{background:#0f172a;color:#fff;border-color:#0f172a}.ms-btn--primary:hover{background:#111827;border-color:#111827}.ms-fact{font-style:italic;color:var(--muted);margin:1rem 0}a{color:inherit;text-decoration:none}.ms-navlink{position:relative}.ms-navlink:after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:#000;transition:width .2s ease}.ms-navlink:hover:after{width:100%}