:root{--font-body:"Inter", system-ui, -apple-system, sans-serif;--font-heading:"Outfit", sans-serif;--bg-primary:#fff;--bg-secondary:#f9fafb;--text-primary:#111827;--text-secondary:#4b5563;--accent:#6366f1;--accent-hover:#4f46e5;--border:#e5e7eb;--transition-fast:.2s ease;--transition-slow:.4s ease;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #0000001a, 0 2px 4px -2px #0000001a}[data-theme=dark]{--bg-primary:#0f172a;--bg-secondary:#1e293b;--text-primary:#f8fafc;--text-secondary:#94a3b8;--accent:#818cf8;--accent-hover:#6366f1;--border:#334155}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-body);background-color:var(--bg-primary);color:var(--text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;transition:background-color var(--transition-slow), color var(--transition-slow);line-height:1.6}#root{flex-direction:column;min-height:100vh;display:flex}.container{width:100%;max-width:1000px;margin:0 auto;padding:0 2rem}header{justify-content:space-between;align-items:center;height:80px;display:flex}.logo{font-family:var(--font-heading);color:var(--accent);letter-spacing:-.02em;font-size:1.5rem;font-weight:700;text-decoration:none}.nav-links{gap:2rem;list-style:none;display:flex}.nav-links a{color:var(--text-secondary);transition:color var(--transition-fast);font-size:.95rem;font-weight:500;text-decoration:none}.nav-links a:hover{color:var(--accent)}.hero{text-align:center;padding:8rem 0 6rem;overflow:hidden}.hero-content{opacity:0;animation:.8s forwards fadeInUp;transform:translateY(20px)}@keyframes fadeInUp{to{opacity:1;transform:translateY(0)}}h1{font-family:var(--font-heading);background:linear-gradient(135deg, var(--text-primary) 0%, var(--accent) 100%);-webkit-text-fill-color:transparent;letter-spacing:-.04em;-webkit-background-clip:text;margin-bottom:1.5rem;font-size:clamp(3rem,8vw,4.5rem);font-weight:700;line-height:1.1}.subtitle{color:var(--text-secondary);max-width:600px;margin:0 auto 2.5rem;font-size:1.25rem}.cta-group{justify-content:center;gap:1rem;display:flex}.btn{transition:all var(--transition-fast);cursor:pointer;border:none;border-radius:99px;padding:.85rem 2rem;font-size:1rem;font-weight:600;text-decoration:none}.btn-primary{background-color:var(--accent);color:#fff;box-shadow:0 4px 12px #6366f14d}.btn-primary:hover{background-color:var(--accent-hover);transform:translateY(-2px);box-shadow:0 6px 16px #6366f166}.btn-secondary{color:var(--text-primary);border:1px solid var(--border);background-color:#0000}.btn-secondary:hover{background-color:var(--bg-secondary);border-color:var(--accent)}.grid{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem;margin:4rem 0;display:grid}.card{background-color:var(--bg-secondary);border:1px solid var(--border);transition:all var(--transition-fast);text-align:left;border-radius:20px;padding:2rem}.card:hover{border-color:var(--accent);box-shadow:var(--shadow-md);transform:translateY(-5px)}.card h3{font-family:var(--font-heading);margin-bottom:1rem;font-size:1.25rem}.card p{color:var(--text-secondary);font-size:.95rem}footer{text-align:center;border-top:1px solid var(--border);color:var(--text-secondary);margin-top:auto;padding:4rem 0 2rem;font-size:.9rem}.theme-toggle{color:var(--text-primary);cursor:pointer;transition:background-color var(--transition-fast);background:0 0;border:none;border-radius:50%;justify-content:center;align-items:center;padding:.5rem;display:flex}.theme-toggle:hover{background-color:var(--bg-secondary)}@media (width<=640px){.cta-group{flex-direction:column}}