:root{--primary-color: #1A1A1A;--secondary-color: #4A5568;--accent-color: #F6AD55;--accent-hover: #ED8936;--background-color: #FFFFFF;--background-alt: #F7FAFC;--surface-color: #FFFFFF;--text-color: #2D3748;--text-light: #718096;--text-inverse: #FFFFFF;--container-width: 1200px;--header-height: 80px;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px rgba(0, 0, 0, .05);--shadow-lg: 0 10px 15px rgba(0, 0, 0, .05);--radius-md: 8px;--radius-lg: 16px;--font-main: "Inter", system-ui, -apple-system, sans-serif;--transition-speed: .3s}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;font-size:16px}body{font-family:var(--font-main);background-color:var(--background-color);color:var(--text-color);line-height:1.6;-webkit-font-smoothing:antialiased}h1,h2,h3,h4,h5,h6{color:var(--primary-color);line-height:1.2;margin-bottom:1rem;font-weight:700}p{margin-bottom:1rem;color:var(--text-light)}a{text-decoration:none;color:inherit;transition:color var(--transition-speed)}button{cursor:pointer;font-family:inherit;border:none;background:none}.container{max-width:var(--container-width);margin:0 auto;padding:0 24px;width:100%}.primary-btn{display:inline-flex;align-items:center;justify-content:center;background-color:var(--accent-color);color:#fff;padding:12px 32px;border-radius:50px;font-weight:600;font-size:1rem;transition:all var(--transition-speed);box-shadow:var(--shadow-sm)}.primary-btn:hover{background-color:var(--accent-hover);transform:translateY(-2px);box-shadow:var(--shadow-md)}.section-padding{padding:5rem 0}.text-center{text-align:center}