:root{--primary:#2563EB;--secondary:#1E293B;--success:#22C55E;--danger:#EF4444;--warning:#F59E0B;--light:#F8FAFC;--text:#334155;--radius:16px;--shadow:0 10px 25px rgba(0,0,0,.08)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Poppins,Arial,sans-serif;background:var(--light);color:var(--text);line-height:1.7}html{scroll-behavior:smooth}.navbar{padding:.9rem 0}.hero{background:linear-gradient(135deg,#2563EB,#4338CA);padding:100px 0;color:#fff}.hero h1{font-size:3rem;font-weight:800}.card{border:none;border-radius:var(--radius);box-shadow:var(--shadow);transition:.3s}.card:hover{transform:translateY(-8px)}.category-card{padding:35px 20px;text-align:center;background:#fff;border-radius:var(--radius)}.btn-primary{background:var(--primary);border-color:var(--primary)}footer{background:#0F172A;color:#cbd5e1;padding:70px 0 30px}@media(max-width:991px){.hero{padding:70px 0}.hero h1{font-size:2.2rem}}@media(max-width:576px){.hero h1{font-size:1.8rem}}