*{margin:0;padding:0;box-sizing:border-box;font-family:'Poppins',sans-serif}body,html{height:100%}.top-banner,.bottom-banner{min-height:90px;max-height:250px;background:#f2f2f2;display:flex;align-items:center;justify-content:center;padding:10px}@media (min-width:850px){.bottom-banner{display:none}}.layout-shell{height:100vh;display:flex;flex-direction:column;overflow:hidden}.content-row{flex:1 1 auto;display:flex;min-height:0}.scroll-panel{background:linear-gradient(120deg,#e3f2fd 0%,#f5f5f5 100%);flex:1 1 auto;min-width:0;overflow-y:auto;overscroll-behavior:contain;padding:0 0 30% 0}.ad-space{background:#ddd;color:#333;border:1px dashed #888;width:95%;height:80%;display:flex;align-items:center;justify-content:center}.navbar{display:flex;align-items:center;justify-content:space-between;background:#0066cc;color:#fff;padding:10px 20px}.nav-links{display:flex;gap:14px}.nav-links a{text-decoration:none;color:white;font-size:14px;transition:color .3s}.nav-links a:hover{color:#010056}.hamburger{display:none;font-size:22px;cursor:pointer}.main-container{display:flex;min-height:66vh}.left-banner{min-width:160px;max-width:300px;background:#f2f2f2;display:flex;align-items:center;justify-content:center;padding:10px;flex-shrink:0}.cards-container{flex:1;display:grid;grid-template-columns:repeat(4,1fr);grid-gap:20px;padding:20px}.card{position:relative;height:200px;background-size:cover;background-position:center;border-radius:12px;overflow:hidden;display:flex;align-items:flex-start;justify-content:center}.card-overlay{width:100%;height:100%;background:rgba(0,0,0,.6);color:white;display:flex;flex-direction:column;justify-content:space-between;padding:15px}.card h2{font-size:2rem}.tool-box{display:flex;justify-content:space-between;align-items:center;position:relative}.tool-name{font-size:14px;text-align:start;flex:1;transform:translateX(-20px);margin-left:10%}.tool-link{padding:6px 12px;color:#fff;text-decoration:none;border-radius:6px;font-size:14px;transition:background .3s;margin-left:auto;border:2px solid #ffffff}.tool-link:hover{background:#004080}@media (max-width:1000px){.cards-container{grid-template-columns:repeat(2,1fr)}}@media (max-width:600px){.cards-container{grid-template-columns:1fr}}@media (max-width:850px){.left-banner{display:none}}@media (max-width:849px){.bottom-banner{display:flex}}@media (max-width:850px){.hamburger{display:block}.nav-links{display:none;flex-direction:column;gap:10px;background:#0066cc;position:absolute;top:157px;width:30%;padding:10px 0 0 5px;z-index:100}.nav-links.active{display:flex}}