:root{--primary-color: #3b82f6;--secondary-color: #1e293b;--accent-color: #60a5fa;--bg-dark: #0f172a;--bg-card: #1e293b;--text-primary: #f8fafc;--text-secondary: #94a3b8;--success-color: #10b981;--error-color: #ef4444;--font-main: "Inter", sans-serif;--transition-speed: .3s}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:var(--font-main);background-color:var(--bg-dark);color:var(--text-primary);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{text-decoration:none;color:inherit;transition:color var(--transition-speed)}ul{list-style:none}button{cursor:pointer;border:none;outline:none;font-family:inherit}img{max-width:100%;display:block}h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.2;margin-bottom:1rem}.container{max-width:1200px;margin:0 auto;padding:0 20px}.section{padding:80px 0}.btn{display:inline-block;padding:12px 24px;border-radius:6px;font-weight:600;text-align:center;transition:all var(--transition-speed)}.btn-primary{background-color:var(--primary-color);color:#fff}.btn-primary:hover{background-color:var(--accent-color);transform:translateY(-2px);box-shadow:0 4px 12px #3b82f64d}.btn-outline{border:2px solid var(--primary-color);color:var(--primary-color);background:transparent}.btn-outline:hover{background-color:var(--primary-color);color:#fff}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--bg-dark)}::-webkit-scrollbar-thumb{background:var(--secondary-color);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--primary-color)}