:root{--color-bg: #ffffff;--color-text-main: #0f172a;--color-text-muted: #475569;--color-primary: #2563eb;--color-primary-hover: #1d4ed8;--color-secondary: #f8fafc;--color-border: #e2e8f0;--container-width: 1200px;--header-height: 80px;--font-sans: "Inter", system-ui, -apple-system, sans-serif}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-sans);background-color:var(--color-bg);color:var(--color-text-main);line-height:1.6;-webkit-font-smoothing:antialiased}a{text-decoration:none;color:inherit;transition:color .2s}ul{list-style:none}button{cursor:pointer;border:none;background:none;font-family:inherit}.container{max-width:var(--container-width);margin:0 auto;padding:0 20px}.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 24px;border-radius:8px;font-weight:600;transition:all .2s ease;font-size:1rem}.btn-primary{background-color:var(--color-primary);color:#fff}.btn-primary:hover{background-color:var(--color-primary-hover);transform:translateY(-1px);box-shadow:0 4px 6px -1px #2563eb33}.btn-outline{border:1px solid var(--color-border);color:var(--color-text-main)}.btn-outline:hover{border-color:var(--color-text-main);background-color:var(--color-secondary)}.section{padding:80px 0}.text-center{text-align:center}.mb-4{margin-bottom:1rem}.mb-8{margin-bottom:2rem}h1,h2,h3,h4{line-height:1.2;font-weight:700;letter-spacing:-.02em}h1{font-size:3.5rem}h2{font-size:2.5rem}h3{font-size:1.75rem}@media(max-width:768px){h1{font-size:2.5rem}h2{font-size:2rem}.section{padding:60px 0}}