.resources-hero{padding:160px 0 60px;background:linear-gradient(165deg,#f0f7ff 0%,#ffffff 70%);text-align:center;}.resources-hero h1{font-size:3.5rem;font-weight:900;margin:16px 0;}.resources-hero h1 .gradient{background:linear-gradient(145deg,#1d4ed8,#00b4aa);-webkit-background-clip:text;-webkit-text-fill-color:transparent;}.resources-hero p{font-size:1.2rem;color:#475569;max-width:650px;margin:0 auto;}.whitepaper-grid{padding:40px 0 80px;display:grid;grid-template-columns:repeat(auto-fit,minmax(340px,1fr));gap:30px;}.whitepaper-card{background:white;border-radius:24px;padding:32px 28px;box-shadow:var(--shadow-sm);border:1px solid #e2e8f0;transition:var(--transition);}.whitepaper-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:#1d4ed8;}.whitepaper-card .icon{font-size:3rem;display:block;margin-bottom:12px;}.whitepaper-card .category{display:inline-block;background:#dbeafe;color:#1d4ed8;padding:2px 14px;border-radius:30px;font-size:0.7rem;font-weight:700;text-transform:uppercase;letter-spacing:0.3px;margin-bottom:10px;}.whitepaper-card .category.ai{background:#ede9fe;color:#6d28d9;}.whitepaper-card .category.whatsapp{background:#d1fae5;color:#059669;}.whitepaper-card .category.security{background:#fef2f2;color:#dc2626;}.whitepaper-card .category.business{background:#fef3c7;color:#d97706;}.whitepaper-card h4{font-size:1.2rem;font-weight:700;margin-bottom:8px;}.whitepaper-card p{color:#64748b;font-size:0.95rem;line-height:1.6;margin-bottom:16px;}.whitepaper-card .meta{display:flex;justify-content:space-between;align-items:center;font-size:0.85rem;color:#94a3b8;border-top:1px solid #f1f5f9;padding-top:16px;}.whitepaper-card .meta .btn{padding:6px 20px;font-size:0.85rem;}@media (max-width:768px){.resources-hero h1{font-size:2.4rem;}.whitepaper-grid{grid-template-columns:1fr;}}