/* ═══════════════════════════════
   COURSE STAGES — ЯК ПРОХОДИТЬ НАВЧАННЯ
   Desktop: 3-col grid top row, 2-col + photo bottom
   Tablet: 2 cols
   Mobile: stacked list
═══════════════════════════════ */
.course-stages {
  background: #111111;
  padding: 60px 20px 0;
  border-top: 2px solid rgba(255,255,255,0.06);
}

.course-stages-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(40px, 10vw, 90px);
  line-height: 0.9;
  color: #ffffff;
  letter-spacing: 0.01em;
  margin-bottom: 48px;
  text-align: center;
}

/* ── GRID ── */
.course-stages-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

.course-stage {
  padding: 28px 0;
  border-top: 1px solid rgba(255,255,255,0.1);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.course-stage:last-child {
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.course-stage-num {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 64px;
  color: rgba(255,255,255,0.18);
  line-height: 1;
  letter-spacing: 0.01em;
}

.course-stage-title {
  font-family: 'Oswald', sans-serif;
  font-size: clamp(15px, 3.5vw, 20px);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #ffffff;
  line-height: 1.2;
}

.course-stage-desc {
  font-size: 13px;
  font-weight: 300;
  color: rgba(255,255,255,0.5);
  line-height: 1.75;
}

/* Photo below grid */
.course-stages-photo {
  width: 100%;
  aspect-ratio: 16/9;
  background-image: url('/images/layered/StagesPhotoOrigin.jpg');
  background-size: cover;
  background-position: center;
  margin-top: 48px;
}

/* ── TABLET ── */
@media (min-width: 768px) {
  .course-stages { padding: 60px 40px 0; }
  .course-stages-grid {
    grid-template-columns: 1fr 1fr;
    gap: 0 2px;
  }
  .course-stage {
    padding: 32px 24px 32px 0;
    border-top: 1px solid rgba(255,255,255,0.1);
  }
  .course-stage:nth-child(even) {
    padding-left: 24px;
    border-left: 1px solid rgba(255,255,255,0.1);
  }
}

/* ── 768px (iPad Mini portrait) ── */
@media (min-width: 768px) and (max-width: 799px) {
  .course-stages { padding: 56px 32px 0; }
  .course-stages-photo { aspect-ratio: 16/9; margin-top: 32px; }
}

/* ── Mid ── */
@media (min-width: 769px) and (max-width: 1199px) {
  .course-stages { padding: 72px 60px 0; }
  .course-stage { padding: 36px 32px 36px 0; }
  .course-stage:nth-child(even) { padding-left: 32px; }
  .course-stages-photo { aspect-ratio: 4/3; min-height: 300px; }
}

/* ── 800–900 ── */
@media (min-width: 800px) and (max-width: 900px) {
  .course-stages { padding: 60px 40px 0; }
  .course-stage { padding: 28px 24px 28px 0; }
  .course-stage:nth-child(even) { padding-left: 24px; }
  .course-stages-photo { aspect-ratio: 16/9; min-height: 240px; }
}

/* ── 1000–1199 (iPad landscape) ── */
@media (min-width: 1000px) and (max-width: 1199px) {
  .course-stages { padding: 80px 60px 0; }
  .course-stages-photo { aspect-ratio: 16/9; min-height: 300px; }
}

/* ── DESKTOP ── */
@media (min-width: 1200px) {
  .course-stages { padding: 80px 60px 0; }
  .course-stages-title { text-align: center; }

  /* Top row: 3 stages */
  .course-stages-grid {
    grid-template-columns: 1fr 1fr 1fr;
    position: relative;
  }

  /* Stages 1-3: top row, 3 cols */
  .course-stage {
    padding: 32px 40px 32px 0;
    border-top: 1px solid rgba(255,255,255,0.1);
    border-left: none;
  }

  .course-stage:nth-child(n+2) {
    padding-left: 40px;
    border-left: 1px solid rgba(255,255,255,0.1);
  }

  /* Stages 4-5: bottom row, 2 cols — stage 5 beside photo */
  .course-stage:nth-child(4) {
    grid-column: 1;
    grid-row: 2;
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-left: 0;
    border-left: none;
  }

  .course-stage:nth-child(5) {
    grid-column: 2;
    grid-row: 2;
    padding-left: 40px;
    border-left: 1px solid rgba(255,255,255,0.1);
    border-top: 1px solid rgba(255,255,255,0.1);
  }

  /* Photo occupies col 3, row 2 */
  .course-stages-photo {
    grid-column: 3;
    grid-row: 2;
    margin-top: 0;
    aspect-ratio: auto;
    min-height: 320px;
    border-left: 1px solid rgba(255,255,255,0.1);
    border-top: 1px solid rgba(255,255,255,0.1);
  }
  
  /* Make photo part of grid */
  .course-stages-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
  }

  .course-stages-photo {
    display: block;
  }
}

/* ── Small desktop ── */
@media (min-width: 1200px) and (max-width: 1399px) {
  .course-stages { padding: 80px 40px 0; }
  .course-stage { padding: 28px 32px 28px 0; }
  .course-stage:nth-child(n+2) { padding-left: 32px; }
  .course-stage:nth-child(4) { padding-left: 0; }
  .course-stage:nth-child(5) { padding-left: 32px; }
}