/* COURSES IMPROVEMENT */
.courses-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
  margin-top:30px;
}

.course-card{
  background:linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.01));
  padding:22px;
  border-radius:16px;
  transition:all .3s ease;
  border:1px solid rgba(255,255,255,0.05);
  position:relative;
  overflow:hidden;
}

.course-card:hover{
  transform:translateY(-8px);
  box-shadow:0 10px 40px rgba(0,0,0,0.6);
  border-color:var(--accent);
}

.course-icon{
  font-size:28px;
  margin-bottom:10px;
}

.course-title{
  font-size:18px;
  font-weight:700;
  margin-bottom:6px;
}

.course-desc{
  font-size:13px;
  color:var(--muted);
}

.badge{
  position:absolute;
  top:12px;
  right:12px;
  background:var(--accent);
  color:#041225;
  font-size:11px;
  padding:4px 8px;
  border-radius:999px;
  font-weight:700;
}

.course-footer{
  margin-top:12px;
  display:flex;
  justify-content:space-between;
  align-items:center;
}

.btn-small{
  font-size:12px;
  padding:6px 10px;
  border-radius:8px;
  background:var(--glass);
  color:white;
  text-decoration:none;
}

/* CATEGORY FILTER */
.course-filter{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  margin-top:15px;
}

.filter-btn{
  padding:6px 12px;
  border-radius:999px;
  background:var(--glass);
  cursor:pointer;
  font-size:13px;
  color:var(--muted);
}

.filter-btn:hover{
  background:var(--accent);
  color:#041225;
}

/* Responsive */
@media(max-width:900px){
  .courses-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:600px){
  .courses-grid{grid-template-columns:1fr}
}