*{margin:0;padding:0;box-sizing:border-box}:root{--primary-blue: #3B82F6;--background: #F8FAFC;--text-primary: #111827;--text-secondary: #6B7280;--card-bg: #FFFFFF;--border-color: #E5E7EB}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background-color:var(--background);color:var(--text-primary);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}h1,h2,h3,h4,h5,h6{font-weight:600;line-height:1.2}h1{font-size:3rem;font-weight:700;letter-spacing:-.02em}h2{font-size:2.25rem;font-weight:700;letter-spacing:-.01em}h3{font-size:1.5rem}p{color:var(--text-secondary);font-size:1.125rem;line-height:1.75}a{color:var(--primary-blue);text-decoration:none;transition:opacity .2s}a:hover{opacity:.8}.container{max-width:1200px;margin:0 auto;padding:0 1.5rem}.section{padding:5rem 0}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.875rem 1.75rem;font-size:1rem;font-weight:500;border-radius:.75rem;border:none;cursor:pointer;transition:all .2s;text-decoration:none}.btn-primary{background-color:var(--primary-blue);color:#fff}.btn-primary:hover{opacity:.9;transform:translateY(-2px)}.card{background:var(--card-bg);border-radius:1.25rem;padding:2rem;box-shadow:0 1px 3px #0000001a;transition:all .3s}.card:hover{box-shadow:0 10px 25px #00000026;transform:translateY(-4px)}@media (max-width: 768px){h1{font-size:2.25rem}h2{font-size:1.875rem}h3{font-size:1.25rem}p{font-size:1rem}.section{padding:3rem 0}}