*{box-sizing:border-box}body{margin:0;font-family:Inter,Arial,sans-serif;color:#0f172a;background:#f8fafc}button{font-family:inherit}.portal-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:35px}.portal-card{background:#fff;padding:30px 20px;border:1px solid #e2e8f0;border-radius:12px;text-align:center;box-shadow:0 4px 12px #0f172a0a}.portal-card svg{margin-bottom:10px}.portal-card h3{margin:10px 0;font-size:18px}.portal-card p{color:#64748b;font-size:14px;line-height:1.6}@media(max-width:700px){.portal-grid{grid-template-columns:1fr}.portal-card{padding:24px 18px}h1{font-size:28px}}