/* hero */
.courses-hero {
  text-align: center;
  padding: 2.2rem 0 1.2rem;
}
.courses-hero h1 {
  margin: 0 0 .4rem;
  color: var(--navy);
  font-size: clamp(1.8rem, 2.2vw + 1rem, 2.4rem);
}
.courses-hero .lede {
  margin: 0 auto;
  color: var(--muted);
  max-width: 70ch;
}

/* controls row */
.controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .8rem;
  padding: .4rem 0 1rem;
  flex-wrap: wrap;
}

/* category chips */
.chips {
  display: flex;
  gap: .5rem;
  align-items: center;
  flex-wrap: wrap;
}
.chip {
  border: 1px solid rgba(0,0,0,.12);
  background: #fff;
  color: var(--navy);
  padding: .35rem .7rem;
  border-radius: 999px;
  font-weight: 600;
  cursor: pointer;
}
.chip:hover { background: rgba(91,47,176,.08); }
.chip.is-active {
  background: rgba(91,47,176,.15);
  border-color: rgba(91,47,176,.25);
}

/* search */
.search {
  position: relative;
  display: inline-flex;
  align-items: center;
}
.search input {
  border: 1px solid rgba(0,0,0,.12);
  background: #fff;
  padding: .5rem .8rem .5rem 2.2rem;
  border-radius: 10px;
  min-width: 220px;
  outline: none;
}
.search input:focus {
  box-shadow: 0 0 0 4px rgba(91,47,176,.15);
  border-color: rgba(91,47,176,.35);
}
.search .kbd {
  position: absolute;
  left: .6rem;
  font-size: .8rem;
  color: var(--muted);
  pointer-events: none;
}

/* grid */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
  padding-bottom: 1rem;
}

/* cards */
.card {
  background: #fff;
  border: 1px solid rgba(0,0,0,.06);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 8px 22px rgba(17,24,39,.06);
  display: flex;
  flex-direction: column;
  transition: transform .18s ease, box-shadow .18s ease;
}
.card:hover { transform: translateY(-2px); box-shadow: 0 14px 28px rgba(17,24,39,.12); }

.card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  display: block;
  transition: transform .3s ease;
}
.card:hover img { transform: scale(1.03); }

.card-body {
  padding: .9rem .95rem 1.05rem;
}
.card h3 {
  margin: 0 0 .25rem;
  color: var(--navy);
  font-size: 1.05rem;
}
.card p {
  margin: 0;
  color: var(--muted);
  font-size: .98rem;
}

/* load more */
.load-more-wrap {
  display: grid;
  place-items: center;
  gap: .4rem;
  padding: 1rem 0 2rem;
}
.load-more {
  border: 1px solid rgba(0,0,0,.12);
  background: #fff;
  border-radius: 12px;
  padding: .6rem 1rem;
  font-weight: 700;
  cursor: pointer;
}
.load-more:hover { background: rgba(91,47,176,.08); }
.result-count { color: var(--muted); font-size: .9rem; }

/* taller images on very large screens (optional) */
@media (min-width: 1400px) {
  .card img { height: 210px; }
}