/* ========================
   FORMATIONS — styles
   ======================== */

.page-hero {
  background: var(--navy);
  padding: 80px 0 72px;
  text-align: center;
}

.page-hero h1 { color: var(--white); margin-top: 10px; }
.page-hero .lede { color: rgba(255,255,255,0.7); margin: 16px auto 0; text-align: center; }

/* ---- FILTRES ---- */
.filters {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
  margin: 48px 0 40px;
}

.filter-btn {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.87rem;
  padding: 9px 20px;
  border-radius: 100px;
  border: 2px solid rgba(18,15,38,0.15);
  background: var(--white);
  color: var(--navy);
  cursor: pointer;
  transition: all 0.2s ease;
}

.filter-btn:hover { border-color: var(--teal); color: var(--teal); }

.filter-btn.active {
  background: var(--navy);
  border-color: var(--navy);
  color: var(--white);
}

/* ---- GRILLE ---- */
.courses-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  padding-bottom: 96px;
}

.course-card {
  background: var(--white);
  border: 1.5px solid rgba(18,15,38,0.1);
  border-radius: var(--radius);
  padding: 32px;
  display: flex;
  flex-direction: column;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.course-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(18,15,38,0.1);
  border-color: var(--teal);
}

.course-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  gap: 10px;
}

.course-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  padding: 5px 13px;
  border-radius: 100px;
  background: rgba(150,207,190,0.25);
  color: #2A7A6B;
}

.course-tag.ia {
  background: rgba(239,132,87,0.15);
  color: var(--coral-dark);
}

.course-tag.auto {
  background: rgba(242,200,5,0.18);
  color: #8A6F00;
}

.course-level {
  font-size: 0.8rem;
  color: var(--grey);
  font-weight: 500;
}

.course-card h3 { margin-bottom: 10px; font-size: 1.15rem; }
.course-desc { font-size: 0.93rem; flex-grow: 1; margin-bottom: 20px; }

.course-meta {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  font-size: 0.84rem;
  color: #7A7590;
  margin-bottom: 22px;
  padding-bottom: 22px;
  border-bottom: 1px dashed rgba(18,15,38,0.1);
}

.course-meta span { display: flex; align-items: center; gap: 5px; }

.course-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.course-price {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--navy);
}

.course-price small {
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 400;
  color: #7A7590;
}

.course-link {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--teal);
  display: flex;
  align-items: center;
  gap: 6px;
  transition: gap 0.2s, color 0.2s;
}

.course-link:hover { gap: 10px; color: var(--teal-dark); }

/* ---- PROCESS ---- */
.process-section { background: var(--off-white); padding: 96px 0; }

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.process-step {
  position: relative;
  padding: 28px 24px;
  background: var(--white);
  border-radius: var(--radius);
  border: 1.5px solid rgba(6,172,176,0.15);
}

.process-num {
  font-family: var(--font-display);
  font-size: 2.8rem;
  font-weight: 700;
  color: rgba(6,172,176,0.2);
  line-height: 1;
  margin-bottom: 14px;
}

.process-step h3 { font-size: 1rem; margin-bottom: 8px; }
.process-step p { font-size: 0.88rem; }

/* ---- FAQ ---- */
.faq-list { max-width: 720px; margin: 0 auto; }

.faq-item { border-bottom: 1px solid rgba(18,15,38,0.1); }

.faq-question {
  width: 100%;
  background: none;
  border: none;
  text-align: left;
  padding: 22px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  cursor: pointer;
  font-family: var(--font-sub);
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--navy);
}

.faq-icon {
  flex-shrink: 0;
  width: 30px; height: 30px;
  border-radius: 50%;
  background: rgba(6,172,176,0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: var(--teal);
  transition: transform 0.25s ease, background 0.2s;
}

.faq-item.open .faq-icon {
  transform: rotate(45deg);
  background: var(--teal);
  color: var(--white);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-item.open .faq-answer { max-height: 300px; padding-bottom: 22px; }
.faq-answer p { font-size: 0.94rem; }

/* ---- RESPONSIVE ---- */
@media (max-width: 900px) {
  .courses-grid { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: repeat(2, 1fr); row-gap: 20px; }
}

@media (max-width: 540px) {
  .process-grid { grid-template-columns: 1fr; }
}