.courses{padding:3rem 0;background:#ebeeff;position:relative}.courses-container{max-width:1200px;margin:0 auto;padding:0 2rem;position:relative;z-index:2}.section-title{text-align:center;font-size:2.5rem;font-weight:800;color:#2d3748;margin-bottom:1rem;background:#5738c3;-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.free-videos-header{text-align:center;margin-bottom:0rem;display:flex;flex-direction:column;align-items:center;gap:.5rem}.video-icon{font-size:3rem;color:gold;-webkit-text-fill-color:#ffd700;background:none}.free-videos-text{font-size:2.5rem;font-weight:800;color:#2d3748;background:#bb4444;-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.section-description{text-align:center;margin-bottom:3rem;max-width:600px;margin-left:auto;margin-right:auto}.section-description p{font-size:1.2rem;color:#4a5568;margin-bottom:.5rem;font-weight:500;line-height:1.6}#highlight1,#highlight2{color:#2fab23;font-weight:700}.section-description p:last-child{color:#6b69da;font-weight:600;font-style:italic;font-size:.8rem}.courses-grid{display:grid;gap:2rem;margin-bottom:3rem;margin-top:4rem;grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}@media (min-width: 1200px){.courses-grid{grid-template-columns:repeat(3,1fr)}}@media (min-width: 900px) and (max-width: 1199px){.courses-grid{grid-template-columns:repeat(3,1fr)}}@media (min-width: 600px) and (max-width: 899px){.courses-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width: 599px){.courses-grid{grid-template-columns:1fr}}.course-card{background:white;border-radius:20px;overflow:hidden;box-shadow:0 10px 30px #0000001a;transition:all .3s ease;position:relative}.course-card:hover{transform:translateY(-10px);box-shadow:0 20px 50px #667eea33}.course-card.hidden{display:none}.course-image{width:100%;aspect-ratio:1/1;background:#6866ea;display:flex;align-items:center;justify-content:center;color:#fff;font-size:3rem;position:relative;overflow:hidden}.course-image img{width:100%;height:100%;object-fit:cover;display:block}.course-content{padding:1.5rem;text-align:center}.course-number{font-size:1.1rem;font-weight:900;font-family:Roboto,sans-serif;color:#fff;background:#c14444!important;width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 1rem;box-shadow:0 4px 15px #667eea1a}.course-name{font-size:1.3rem;font-weight:700;color:#2d3748;margin-bottom:.5rem;text-align:center}.course-category{font-size:.9rem;color:#718096;margin-bottom:1rem;text-align:center;font-weight:500}.course-btn{background:#5c5acc;color:#fff;padding:.75rem 1.5rem;border:none;border-radius:50px;font-weight:600;cursor:pointer;transition:all .3s ease;width:100%;font-size:1rem;text-decoration:none}.course-btn:hover{transform:translateY(-2px);box-shadow:0 8px 25px #667eea1a}.search-filter{max-width:600px;margin:0 auto 3rem;text-align:center}.search-input{width:100%;padding:1rem 1.5rem;border:2px solid #e2e8f0;border-radius:50px;font-size:1.1rem;background:white;box-shadow:0 4px 15px #0000000d;transition:all .3s ease;outline:none}.search-input:focus{border-color:#667eea;box-shadow:0 4px 20px #667eea33}.search-input::placeholder{color:#a0aec0}.no-results{text-align:center;padding:3rem;color:#718096;font-size:1.2rem;display:none}