:root{--color-primary: #111827;--color-primary-light: #1F2937;--color-text: #111827;--color-text-muted: #6B7280;--color-background: #FFFFFF;--color-surface: #F9FAFB;--color-border: #E5E7EB;--color-success: #10B981;--container: 1280px;--navbar-height: 80px;--radius-sm: 8px;--radius-md: 14px;--radius-lg: 22px;--shadow-sm: 0 4px 16px rgba(0,0,0,.04);--shadow-md: 0 15px 45px rgba(0,0,0,.08);--shadow-lg: 0 30px 80px rgba(0,0,0,.12)}body{font-family:Inter,sans-serif;color:var(--color-text)}h1{font-size:clamp(4rem,7vw,6rem);line-height:.95;letter-spacing:-.05em}h2{font-size:clamp(2.8rem,5vw,4rem);line-height:1.05}p{color:var(--color-text-muted);line-height:1.8}.container{width:min(var(--container),100% - 48px);margin-inline:auto}.section{padding:140px 0}.text-center{text-align:center}.mt-5{margin-top:40px}.btn{display:inline-flex;align-items:center;justify-content:center;padding:16px 30px;border-radius:999px;cursor:pointer;transition:.3s;font-weight:600}.btn--primary{background:var(--color-primary);color:#fff}.btn--primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}.btn--secondary{border:1px solid var(--color-border)}.fade-up{opacity:0;transform:translateY(40px);animation:fadeUp .8s ease forwards}@keyframes fadeUp{0%{opacity:0;transform:translateY(40px)}to{opacity:1;transform:translateY(0)}}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--color-background)}a{text-decoration:none;color:inherit}img{display:block;max-width:100%}.scroll-hidden,.scroll-visible{transition:opacity .6s ease-out,transform .6s ease-out,filter .6s ease-out}.scroll-hidden{opacity:0;transform:translateY(24px);filter:blur(4px)}.scroll-visible{opacity:1;transform:translateY(0);filter:blur(0)}