:root{--bg-color:#fff;--text-primary:#1e1e2f;--text-secondary:#5a5a75;--accent-blue:#4f46e5;--accent-purple:#9333ea;--gradient-brand:linear-gradient(135deg,var(--accent-blue),var(--accent-purple));--glass-bg:hsla(0,0%,100%,.7);--glass-border:hsla(0,0%,100%,.5);--glass-shadow:0 8px 32px 0 rgba(31,38,135,.1)}*{box-sizing:border-box;padding:0;margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}body{background-color:var(--bg-color);color:var(--text-primary);background-image:radial-gradient(at 0 0,rgba(16,15,21,0) 0,transparent 50%),radial-gradient(at 50% 0,rgba(47,62,106,.05) 0,transparent 50%),radial-gradient(at 100% 0,rgba(114,39,65,0) 0,transparent 50%);background-attachment:fixed;min-height:100vh}a{color:var(--accent-blue);text-decoration:none;transition:all .2s ease}a:hover{filter:brightness(1.2)}.glass-card{background:var(--glass-bg);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--glass-border);box-shadow:var(--glass-shadow);border-radius:16px;padding:2rem;transition:transform .3s ease,box-shadow .3s ease}.glass-card:hover{transform:translateY(-4px);box-shadow:0 12px 40px 0 rgba(79,70,229,.15)}.btn{background:var(--gradient-brand);color:#fff;border:none;padding:.75rem 1.5rem;border-radius:8px;font-weight:600;cursor:pointer;transition:opacity .2s,transform .2s;display:inline-flex;align-items:center;justify-content:center;gap:.5rem}.btn:hover{opacity:.9;transform:scale(1.02)}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.animate-fade-in{animation:fadeIn .6s ease-out forwards}.container{max-width:1200px;margin:0 auto;padding:2rem}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));grid-gap:1.5rem;gap:1.5rem}nav{display:flex;justify-content:space-between;align-items:center;padding:1rem 0;border-bottom:1px solid rgba(0,0,0,.05);margin-bottom:2rem}.brand{font-size:1.5rem;font-weight:700;background:var(--gradient-brand);-webkit-background-clip:text;-webkit-text-fill-color:transparent}