.catalog{padding:82px 24px;background:#fff}
.catalog-grid{max-width:1180px;margin:0 auto;display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.catalog-card{overflow:hidden;border:1px solid #dce3f4;border-radius:22px;background:#fff;box-shadow:0 14px 36px rgba(31,59,125,.07);transition:transform .2s ease,box-shadow .2s ease}
.catalog-card:hover{transform:translateY(-4px);box-shadow:0 20px 48px rgba(31,59,125,.13)}
.catalog-card.featured{border-color:#a9bcff}
.catalog-art{height:150px;display:grid;place-items:center;color:#fff;font-size:42px;font-weight:950;letter-spacing:-.06em}
.catalog-art.marketing{background:linear-gradient(135deg,#2456f5,#7849ed)}
.catalog-art.design{background:linear-gradient(135deg,#ff7a45,#f4b52d)}
.catalog-art.commerce{background:linear-gradient(135deg,#0e8f69,#31bd8f)}
.catalog-content{padding:22px}
.course-label{font-size:11px;color:#2456f5;font-weight:900;text-transform:uppercase;letter-spacing:.08em}
.catalog-content h3{margin:8px 0;font-size:22px;letter-spacing:-.025em}
.catalog-content p{min-height:48px;margin:0;color:#64708a;line-height:1.5}
.catalog-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:21px;padding-top:16px;border-top:1px solid #e7ebf5;font-size:13px}
.catalog-meta a{color:#2456f5;text-decoration:none;font-weight:850}
.catalog-meta span{color:#64708a}
.buy-panel input,.buy-panel select{width:100%;border:1px solid #dce3f4;border-radius:10px;padding:13px;outline:none;background:#fff;color:#0b1735}
.buy-panel input:focus,.buy-panel select:focus{border-color:#2456f5;box-shadow:0 0 0 3px rgba(36,86,245,.12)}
footer{max-width:1180px;margin:0 auto;padding:34px 24px 50px;display:flex;align-items:center;justify-content:space-between;gap:24px;border-top:1px solid #dce3f4;color:#64708a;font-size:13px}
footer p{margin:0;text-align:center}
footer>a:last-child{color:#2456f5;text-decoration:none;font-weight:850}
@media(max-width:900px){.catalog-grid{grid-template-columns:1fr 1fr}.catalog-card.featured{grid-column:1/-1}.catalog-card.featured{display:grid;grid-template-columns:260px 1fr}.catalog-card.featured .catalog-art{height:100%}}
@media(max-width:620px){.catalog{padding:60px 16px}.catalog-grid{grid-template-columns:1fr}.catalog-card.featured{grid-column:auto;display:block}.catalog-card.featured .catalog-art{height:150px}footer{flex-direction:column;text-align:center}}