:root{--color-primary: #2ECC71;--color-opposition: #E74C3C;--color-info: #3498DB;--color-accent: #F39C12;--color-dark: #2C3E50;--color-light: #7F8C8D;--color-bg: #FFFFFF;--color-bg-alt: #F9FAFB;--font-primary: "Inter", "Roboto", -apple-system, sans-serif;--font-size-body: 16px;--font-size-small: 14px;--font-weight-regular: 400;--font-weight-medium: 500;--font-weight-semibold: 600;--font-weight-bold: 700;--spacing-xs: 4px;--spacing-sm: 8px;--spacing-md: 16px;--spacing-lg: 24px;--spacing-xl: 32px;--spacing-2xl: 48px;--transition: .3s ease;--transition-fast: .15s ease;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--radius-full: 9999px}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:var(--font-primary);line-height:1.6;color:var(--color-dark);background:var(--color-bg)}h1{font-size:32px;font-weight:var(--font-weight-bold);line-height:1.2}h2{font-size:24px;font-weight:var(--font-weight-semibold);line-height:1.3}h3{font-size:18px;font-weight:var(--font-weight-semibold);line-height:1.4}p{margin-bottom:var(--spacing-md)}.container{max-width:1200px;margin:0 auto;padding:0 var(--spacing-md)}.btn{padding:12px 24px;border:none;border-radius:var(--radius-md);font-size:var(--font-size-body);font-weight:var(--font-weight-semibold);cursor:pointer;transition:var(--transition);text-decoration:none;display:inline-block}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover{background:#27ae60;transform:translateY(-2px)}.btn-secondary{background:transparent;color:var(--color-info);border:2px solid var(--color-info)}.btn-secondary:hover{background:var(--color-info);color:#fff}.card{background:var(--color-bg);border-radius:var(--radius-lg);border:1px solid #E8E8E8;padding:var(--spacing-lg);transition:var(--transition)}.card:hover{transform:translateY(-4px);box-shadow:0 8px 24px #00000014}@media(max-width:768px){h1{font-size:24px}h2{font-size:20px}h3{font-size:16px}.container{padding:0 var(--spacing-sm)}}*,*:before,*:after{box-sizing:border-box}body{margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:14px;background:#f4f6f8;color:#2c3e50}a{text-decoration:none}input,select,textarea,button{font-family:inherit}