/* ===============================
   Homepage – Section 4
   Designed for Every Stage
   =============================== */

.our-classes {
  background: var(--yellow);
  position: relative;
  overflow: hidden;
}

.our-classes__container {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
}

/* -------------------------------
   Intro block
   ------------------------------- */
.our-classes__intro {
  text-align: center;
}

.our-classes__title {
  font-size: var(--fs-h2);
  font-weight: 600;
  color: var(--black);
  margin-bottom: var(--space-2);
}

.our-classes__desc {
  max-width: 720px;
  margin-inline: auto;
  color: var(--black);
  opacity: 0.85;
}

.our-classes__cta {
  margin-top: var(--space-3);
}

/* Illustration */
.our-classes__illustration {
  max-width: 280px;
  position: relative;
  margin-bottom: var(--space-3);
  z-index: 1;
}

.our-classes__illustration img {
  width: 100%;
  height: auto;
  object-fit: contain;
}

/* -------------------------------
   Grid + cards
   ------------------------------- */
.our-classes__grid {
  width: 100%;
  max-width: var(--container);
  display: grid;
  gap: var(--grid-gap);
}

.our-classes__card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: clamp(18px, 2vw, 28px);
  text-align: left;
  box-shadow: var(--shadow-1);
  transition: transform .3s ease, box-shadow .3s ease;
}

.our-classes__card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-1h);
}

.our-classes__icon {
  width: 60px;
  height: auto;
  margin-bottom: var(--space-1);
}

.our-classes__card-title {
  font-size: var(--fs-h3);
  line-height: var(--lh-h3);
  margin-bottom: var(--space-1);
  color: var(--black);
}

.our-classes__card-desc {
  color: #333;
  font-size: var(--font-body);
  line-height: var(--lh-body);
}

/* ===============================
   Responsive layout adjustments
   =============================== */

/* --- Desktop (≥1024px): staggered 2×2 grid --- */
@media (min-width: 1024px) {
  .our-classes__container {
    display: grid;
    grid-template-columns: 1.5fr 0.9fr;
    align-items: center;
    gap: var(--space-5);
  }

  .our-classes__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  /* Staggered offsets */
  .our-classes__card {
    --offset: 0px;
    transform: translateY(var(--offset));
  }
  .our-classes__card:nth-child(1) { --offset: -20px; }
  .our-classes__card:nth-child(2) { --offset:  40px; }
  .our-classes__card:nth-child(3) { --offset: -40px; }
  .our-classes__card:nth-child(4) { --offset:  20px; }

  .our-classes__card:hover {
    transform: translateY(calc(var(--offset) - 6px)) scale(1.02);
  }

  .our-classes__intro {
    text-align: left;
    max-width: 520px;
    position: relative;
  }

  .our-classes__illustration {
    position: absolute;
    top: -120px;
    right: 250px;
    max-width: 180px;
  }
}

/* --- Tablet (≤1023px): intro above cards, grid 2×2 --- */
@media (max-width: 1023.98px) {
  .our-classes__container {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .our-classes__desc {
    text-align: center;
  }
  .our-classes__intro {
    order: -1;
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .our-classes__illustration {
    position: relative;
    max-width: 220px;
    margin-bottom: var(--space-2);
    margin-inline: auto;
  }

  .our-classes__cta {
    margin-inline: auto;
  }

  .our-classes__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    max-width: 700px;
  }

  .our-classes__card {
    text-align: center;
  }

  .our-classes__icon {
    margin-inline: auto;
  }
}

/* --- Mobile (≤599px): stack 4×1 --- */
@media (max-width: 599.98px) {
  .our-classes__grid {
    grid-template-columns: 1fr;
  }

  .our-classes__illustration {
    max-width: 180px;
  }
}