:root{--bg-color: #f3f4f6;--surface-color: #ffffff;--primary-color: #6366f1;--primary-hover: #4f46e5;--accent-color: #a855f7;--text-primary: #111827;--text-secondary: #4b5563;--border-color: #e5e7eb;--card-shadow: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1);--nav-bg: rgba(255, 255, 255, .85);--gradient-primary: linear-gradient(135deg, #6366f1 0%, #a855f7 100%)}[data-theme=dark]{--bg-color: #020617;--surface-color: #0f172a;--primary-color: #818cf8;--primary-hover: #a5b4fc;--accent-color: #c084fc;--text-primary: #f8fafc;--text-secondary: #94a3b8;--border-color: #1e293b;--card-shadow: 0 10px 15px -3px rgb(0 0 0 / .5), 0 4px 6px -4px rgb(0 0 0 / .3);--nav-bg: rgba(2, 6, 23, .85);--gradient-primary: linear-gradient(135deg, #818cf8 0%, #c084fc 100%)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,system-ui,-apple-system,sans-serif;background-color:var(--bg-color);color:var(--text-primary);transition:background-color .3s ease,color .3s ease;line-height:1.6;overflow-x:hidden}a{text-decoration:none;color:inherit}ul{list-style:none}button{cursor:pointer;border:none;background:none;font-family:inherit}.container{max-width:1200px;margin:0 auto;padding:0 20px}.section{padding:100px 0}.section-title{font-size:3rem;font-weight:800;margin-bottom:60px;text-align:center;background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;letter-spacing:-.02em}.btn{display:inline-flex;align-items:center;justify-content:center;padding:14px 28px;border-radius:50px;font-weight:600;transition:all .3s cubic-bezier(.4,0,.2,1);font-size:1rem}.btn-primary{background:var(--gradient-primary);color:#fff;box-shadow:0 4px 14px #6366f163}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px #6366f13b;filter:brightness(1.1)}.btn-outline{border:2px solid var(--primary-color);color:var(--primary-color);background:transparent}.btn-outline:hover{background:var(--primary-color);color:#fff;transform:translateY(-2px)}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--bg-color)}::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-secondary)}