.past-courses-section{background:#fff9ed;padding:74px 0 82px}.course-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.course-card{position:relative;display:flex;flex-direction:column;min-height:335px;padding:24px;border:1px solid rgba(23,26,61,.08);border-radius:20px;background:#fff;box-shadow:0 8px 25px rgba(43,43,77,.04);overflow:hidden;transition:transform .2s,box-shadow .2s}.course-card:hover{transform:translateY(-5px);box-shadow:0 15px 31px rgba(43,43,77,.1)}.course-card:after{content:"";position:absolute;left:-30px;bottom:-40px;width:150px;height:150px;border-radius:50%;opacity:.5}.ccna-course:after{background:#ded9ff}.network-course:after{background:#d7f5e6}.ip-course:after{background:#ffe2c8}.course-icon{position:relative;z-index:1;width:55px;height:55px;display:grid;place-items:center;border-radius:15px;font-size:.82rem;font-weight:800;direction:ltr;background:#eceaff;color:#5b4fca}.network-course .course-icon{background:#dff7eb;color:#168663}.ip-course .course-icon{background:#fff0d7;color:#c4682d}.course-meta{position:absolute;top:27px;left:22px;display:flex;flex-direction:column;align-items:end;gap:3px;color:#74768a;font-size:.7rem}.course-meta span:first-child{font-weight:700;color:var(--purple)}.course-card h3{margin:22px 0 5px;font-size:1.23rem}.course-card p{margin:0;color:var(--muted);font-size:.84rem;line-height:1.85}.course-card ul{position:relative;z-index:1;margin:15px 0 17px;padding:0;list-style:none;color:#50536b;font-size:.78rem}.course-card li{position:relative;margin:6px 0;padding-right:18px}.course-card li:before{content:"✓";position:absolute;right:0;color:#1aa26f;font-weight:800}.course-link{position:relative;z-index:1;margin-top:auto;display:inline-flex;align-items:center;gap:8px;color:var(--purple);font-size:.82rem;font-weight:800}.course-link:hover{color:var(--pink-dark)}@media (max-width:900px){.course-grid{grid-template-columns:1fr 1fr}.course-card:last-child{grid-column:1/-1}}@media (max-width:620px){.past-courses-section{padding:48px 0 56px}.course-grid{grid-template-columns:1fr}.course-card:last-child{grid-column:auto}.course-card{min-height:0}}