:root{--primary: #25D366;--primary-dark: #128C7E;--primary-light: #DCF8C6;--secondary: #075E54;--accent: #34B7F1;--text-primary: #1a1a2e;--text-secondary: #4a5568;--text-muted: #718096;--bg-primary: #ffffff;--bg-secondary: #f7fafc;--bg-tertiary: #edf2f7;--border-color: #e2e8f0;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .1), 0 10px 10px -5px rgba(0, 0, 0, .04);--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: 1rem;--radius-xl: 1.5rem;--radius-2xl: 2rem;--radius-full: 9999px}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background-color:var(--bg-primary);color:var(--text-primary);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{text-decoration:none;color:inherit}button{cursor:pointer;border:none;background:none;font-family:inherit}img{max-width:100%;height:auto}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 1.5rem}h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.2;color:var(--text-primary)}h1{font-size:clamp(2.5rem,5vw,4rem)}h2{font-size:clamp(2rem,4vw,3rem)}h3{font-size:clamp(1.5rem,3vw,2rem)}p{color:var(--text-secondary)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.875rem 1.75rem;font-size:1rem;font-weight:600;border-radius:var(--radius-full);transition:all .3s ease}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:var(--shadow-lg)}.btn-secondary{background:var(--text-primary);color:#fff}.btn-secondary:hover{background:#2d3748;transform:translateY(-2px)}.btn-outline{background:transparent;color:var(--text-primary);border:2px solid var(--border-color)}.btn-outline:hover{border-color:var(--primary);color:var(--primary)}.gradient-text{background:linear-gradient(135deg,var(--primary) 0%,var(--accent) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}section{padding:5rem 0}@media (max-width: 768px){section{padding:3rem 0}}