:root{--background:#0a0a0a;--foreground:#ededed;--primary:#00ff9d;--primary-dim:#00cc7d;--secondary:#6e00ff;--accent:#f05;--surface:#1a1a1a;--surface-hover:#252525;--border:#333;--font-main:"Inter",-apple-system,BlinkMacSystemFont,sans-serif;--radius:8px;--header-height:64px}body{background-color:var(--background);color:var(--foreground);font-family:var(--font-main);margin:0;padding:0;overflow-x:hidden}.container{max-width:1200px;margin:0 auto;padding:0 24px}.premium-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px;transition:transform .2s,box-shadow .2s}.premium-card:hover{border-color:var(--primary);transform:translateY(-2px);box-shadow:0 8px 24px #00000080}.btn{border-radius:var(--radius);cursor:pointer;border:none;justify-content:center;align-items:center;padding:12px 24px;font-size:1rem;font-weight:600;transition:all .2s;display:inline-flex}.btn-primary{background:var(--primary);color:#000}.btn-primary:hover{background:var(--primary-dim);box-shadow:0 0 12px #00ff9d4d}.glass-header{height:var(--header-height);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--border);z-index:100;background:#0a0a0acc;align-items:center;display:flex;position:sticky;top:0}h1,h2,h3{letter-spacing:-.02em}h1{background:linear-gradient(90deg,#fff,#888);-webkit-text-fill-color:transparent;-webkit-background-clip:text;font-size:3rem}