:root{--bg-color: #0a0a0a;--bg-secondary: #111111;--text-primary: #f3f3f3;--text-secondary: #a1a1a1;--accent-primary: #3b82f6;--accent-secondary: #8b5cf6;--accent-gradient: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));--container-width: 1200px;--header-height: 80px;--radius-sm: 8px;--radius-md: 16px;--radius-lg: 24px;--font-main: "Inter Tight", sans-serif;--font-size-xs: .75rem;--font-size-sm: .875rem;--font-size-base: 1rem;--font-size-lg: 1.125rem;--font-size-xl: 1.25rem;--font-size-2xl: 1.5rem;--font-size-3xl: 2rem;--font-size-4xl: 3rem;--font-size-display: clamp(3rem, 5vw + 1rem, 6rem)}*,*:after,*:before{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}html{scroll-behavior:smooth}body{font-family:var(--font-main);background-color:var(--bg-color);color:var(--text-primary);line-height:1.6;overflow-x:hidden;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none;transition:opacity .2s ease}a:hover,a:focus{opacity:.8}ul,ol{list-style:none}button{background-color:transparent;border:none;cursor:pointer;outline:none;font-family:inherit}img,picture,video,canvas,svg{display:block;max-width:100%}h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.1;margin-bottom:1rem;color:var(--text-primary)}h1{font-size:var(--font-size-display);letter-spacing:-.02em}h2{font-size:clamp(2rem,4vw,3.5rem)}h3{font-size:clamp(1.5rem,3vw,2.5rem)}p{margin-bottom:1.5rem;color:var(--text-secondary);font-size:var(--font-size-base)}.container{width:100%;max-width:var(--container-width);margin:0 auto;padding:0 1.5rem}.text-gradient{background:var(--accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;display:inline-block}.flex-center{display:flex;align-items:center;justify-content:center}.flex-between{display:flex;align-items:center;justify-content:space-between}.grid-responsive{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem}.mt-sm{margin-top:1rem}.mt-md{margin-top:2rem}.mt-lg{margin-top:4rem}.mb-sm{margin-bottom:1rem}.mb-md{margin-bottom:2rem}.mb-lg{margin-bottom:4rem}.section{padding:4rem 0}@media (min-width: 768px){.section{padding:6rem 0}}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.75rem 1.5rem;border-radius:var(--radius-sm);font-weight:600;transition:all .3s ease}.btn-primary{background:var(--accent-gradient);color:#fff;box-shadow:0 4px 12px #3b82f64d}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 16px #3b82f666}.link-underline{position:relative;text-decoration:none}.link-underline:after{content:"";position:absolute;width:0;height:2px;bottom:-2px;left:0;background-color:var(--accent-primary);transition:width .3s ease}.link-underline:hover:after{width:100%}