/* ── FILTER BAR ── */
.filter-bar {
  background: var(--cream);
  border-bottom: 0.5px solid var(--border);
  padding: 1.2rem 3rem;
  display: flex;
  gap: 0.5rem;
  align-items: center;
  position: sticky;
  top: 70px;
  z-index: 50;
  overflow-x: auto;
}
.filter-btn {
  font-family: 'Karla', sans-serif;
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  background: transparent;
  border: 0.5px solid var(--border);
  padding: 0.5rem 1.2rem;
  cursor: pointer;
  transition: all 0.3s;
  white-space: nowrap;
}
.filter-btn:hover { color: var(--charcoal); border-color: var(--charcoal); }
.filter-btn.active { background: var(--charcoal); color: var(--ivory); border-color: var(--charcoal); }

/* ── COURSES SECTION ── */
.courses-section { padding: 5rem 3rem; }
.courses-section + .courses-section { padding-top: 0; }

.course-block { margin-bottom: 5rem; }
.course-block-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 3rem;
  padding-bottom: 1.5rem;
  border-bottom: 0.5px solid var(--border);
}
.course-block-header-left {}
.course-block-number {
  font-family: 'Cormorant Garamond', serif;
  font-size: 5rem;
  font-weight: 300;
  color: rgba(28,28,26,0.06);
  line-height: 1;
  user-select: none;
}

/* ── COURSE CARD (horizontal) ── */
.course-cards { display: flex; flex-direction: column; gap: 1px; background: var(--border); }

.course-card {
  display: grid;
  grid-template-columns: 280px 1fr auto;
  background: var(--ivory);
  overflow: hidden;
  transition: background 0.3s;
  cursor: pointer;
  text-decoration: none;
  color: inherit;
}
.course-card:hover { background: var(--cream); }

.course-card-img {
  position: relative;
  overflow: hidden;
  height: 220px;
}
.course-card-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: brightness(0.8) saturate(0.9);
  transition: transform 0.6s ease;
  display: block;
}
.course-card:hover .course-card-img img { transform: scale(1.05); }

.course-card-body {
  padding: 2.2rem 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.course-card-tag {
  display: inline-block;
  font-size: 0.62rem;
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.8rem;
}
.course-card-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.6rem;
  font-weight: 300;
  color: var(--charcoal);
  line-height: 1.15;
  margin-bottom: 0.8rem;
}
.course-card-desc {
  font-size: 0.84rem;
  color: var(--muted);
  line-height: 1.8;
  max-width: 55ch;
  margin-bottom: 1.2rem;
}
.course-card-tags {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.tag-pill {
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  border: 0.5px solid var(--border);
  padding: 0.25rem 0.7rem;
}

.course-card-meta {
  padding: 2.2rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-end;
  gap: 1.2rem;
  border-left: 0.5px solid var(--border);
  min-width: 200px;
}
.meta-item { text-align: right; }
.meta-label { font-size: 0.62rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted); margin-bottom: 0.2rem; }
.meta-value { font-size: 0.9rem; color: var(--charcoal); }
.meta-value strong { font-weight: 500; }
.course-card-arrow {
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 0.5px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  color: var(--muted);
  font-size: 0.9rem;
  transition: all 0.3s;
  margin-top: 0.5rem;
}
.course-card:hover .course-card-arrow { border-color: var(--gold); color: var(--gold); transform: rotate(45deg); }

/* ── CERTIF BANNER ── */
.certif-banner {
  background: var(--charcoal);
  padding: 4rem 3rem;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 3rem;
  align-items: center;
}
.certif-title { font-family: 'Cormorant Garamond', serif; font-size: clamp(1.8rem, 3vw, 2.5rem); font-weight: 300; color: var(--ivory); margin-bottom: 0.8rem; }
.certif-title em { font-style: italic; color: var(--gold); }
.certif-text { font-size: 0.88rem; color: rgba(250,247,242,0.5); line-height: 1.8; max-width: 55ch; }
.certif-logos { display: flex; gap: 2rem; align-items: center; }
.certif-logo-box {
  border: 0.5px solid rgba(250,247,242,0.15);
  padding: 1rem 1.5rem;
  text-align: center;
  min-width: 100px;
}
.certif-logo-box p { font-size: 0.65rem; letter-spacing: 0.12em; text-transform: uppercase; color: rgba(250,247,242,0.4); line-height: 1.6; }
.certif-logo-box strong { display: block; font-family: 'Cormorant Garamond', serif; font-size: 1.4rem; font-weight: 300; color: var(--gold); }

/* ── CTA BOTTOM ── */
.cta-section {
  padding: 6rem 3rem;
  background: var(--cream);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.cta-text h2 { font-family: 'Cormorant Garamond', serif; font-size: clamp(2rem, 3.5vw, 3rem); font-weight: 300; color: var(--charcoal); line-height: 1.1; margin-bottom: 1rem; }
.cta-text h2 em { font-style: italic; color: var(--gold); }
.cta-text p { font-size: 0.88rem; color: var(--muted); line-height: 1.8; }
.cta-actions { display: flex; flex-direction: column; gap: 1rem; align-items: flex-start; }

@media (max-width: 900px) {
  .filter-bar { padding: 1rem 1.5rem; top: 60px; }
  .courses-section { padding: 3rem 1.5rem; }
  .course-card { grid-template-columns: 1fr; }
  .course-card-img { height: 200px; }
  .course-card-meta { border-left: none; border-top: 0.5px solid var(--border); flex-direction: row; flex-wrap: wrap; align-items: flex-start; min-width: auto; }
  .meta-item { text-align: left; }
  .certif-banner { 
    grid-template-columns: 1fr; 
    padding: 3rem 1.5rem;
    gap: 2.5rem;
  }
  .certif-logos { 
    flex-wrap: wrap; 
    gap: 1rem; 
    justify-content: flex-start;
  }
  .certif-logo-box { 
    flex: 1; 
    min-width: 140px; 
    padding: 1.2rem 1rem; 
  }
  .cta-section { grid-template-columns: 1fr; gap: 2rem; }
}