/* ========================================
   Main Business
   ======================================== */

.main-business {
  background-color: var(--color-white);
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-4xl);
}

.main-business__inner {
  margin-bottom: var(--space-4xl);
}

.main-business__cards {
  display: grid;
  grid-template-columns: 1fr;
}

.main-business__card {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 320px;
  overflow: hidden;
  text-decoration: none;
}

.main-business__card-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.main-business__card-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.main-business__card-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--color-overlay);
  transition: background-color 0.3s ease;
}

.main-business__card:hover .main-business__card-overlay {
  background-color: rgba(0, 0, 0, 0.4);
}

.main-business__card-content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  align-items: center;
  text-align: center;
  color: var(--color-white);
  padding: var(--space-2xl);
}

.main-business__card-title {
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.07rem;
  line-height: 1.4;
}

.main-business__card-desc {
  font-size: 1rem;
  font-weight: 400;
  letter-spacing: -0.04rem;
  line-height: 1.5;
}

/* Tablet */
@media (min-width: 768px) {
  .main-business {
    padding-top: var(--space-5xl);
  }

  .main-business__inner {
    margin-bottom: var(--space-4xl);
  }

  .main-business__cards {
    grid-template-columns: repeat(2, 1fr);
  }

  .main-business__card {
    min-height: 400px;
  }

  .main-business__card-title {
    font-size: 2rem;
  }

  .main-business__card-desc {
    font-size: 1.125rem;
  }
}

/* Desktop */
@media (min-width: 1024px) {
  .main-business {
    padding-top: var(--space-section);
  }

  .main-business__inner {
    margin-bottom: var(--space-4xl);
  }

  .main-business__cards {
    grid-template-columns: repeat(4, 1fr);
  }

  .main-business__card {
    min-height: 560px;
  }

  .main-business__card-title {
    font-size: var(--text-h2);
    letter-spacing: -0.09rem;
  }

  .main-business__card-desc {
    font-size: var(--text-body);
    letter-spacing: -0.055rem;
  }
}

@media (min-width: 1280px) {
  .main-business__card {
    min-height: 660px;
  }
}