/* =============================================
   03_use-cases / use-cases.css
   루미크리스탈 USE CASES 섹션
   ============================================= */

@import '../00_shared/variables.css';

.use-cases {
  background: #f7f6f2;
  color: var(--navy);
  padding: 42px 0 28px;
}

.use-cases-inner {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;

  display: flex;
  flex-direction: column;
  align-items: center;
}

.use-cases-header {
  text-align: center;
  margin-bottom: 24px;
}

.use-cases-main-title {
  font-family: var(--font-serif);
  font-size: clamp(1.55rem, 2.2vw, 2rem);
  font-weight: 600;
  line-height: 1.45;
  letter-spacing: -0.5px;
  color: var(--navy);
  margin: 0 0 8px;
}

.use-cases-sub-copy {
  font-size: 0.98rem;
  line-height: 1.7;
  color: rgba(20, 35, 59, 0.62);
  margin: 0;
}

.use-cases-visual-center {
  width: 100%;
  max-width: 720px;
  margin: 0 auto 38px;

  border-radius: 16px;
  overflow: hidden;

  border: 1px solid rgba(201, 168, 76, 0.18);
  box-shadow: 0 22px 46px rgba(13, 27, 46, 0.08);
}

.use-cases-visual-center img {
  width: 100%;
  height: auto;
  display: block;
}

.use-cases-grid.trio-focus {
  width: 100%;
  max-width: 820px;

  display: flex;
  justify-content: center;
  align-items: stretch;
  gap: 22px;
}

.use-case-item {
  flex: 1;
  min-height: 150px;
  padding: 30px 20px;

  background: #fff;
  border: 1px solid rgba(201, 168, 76, 0.16);
  border-radius: 13px;

  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;

  text-align: center;

  box-shadow: 0 10px 24px rgba(13, 27, 46, 0.035);

  transition:
    transform 0.25s ease,
    border-color 0.25s ease,
    background 0.25s ease,
    box-shadow 0.25s ease;
}

.use-case-item:hover {
  transform: translateY(-3px);
  border-color: rgba(201, 168, 76, 0.42);
  background: #fffdf8;
  box-shadow: 0 14px 30px rgba(13, 27, 46, 0.055);
}

.use-case-item.highlight {
  border-color: rgba(201, 168, 76, 0.62);
  background: linear-gradient(180deg, #ffffff 0%, #fff8ea 100%);
}

.use-case-icon {
 font-size: 2.2rem;       /* 1.6rem에서 2.2rem으로 키움 */
  line-height: 1;
  margin-bottom: 12px;
  opacity: 1;              /* 0.9에서 1로 변경하여 더 또렷하게 */
  
  /* 아이콘에 살짝 입체감을 주고 싶다면 아래 코드 추가 (선택사항) */
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.1)); 
  display: inline-block;
  transition: transform 0.3s ease;
}

/* 마우스를 올렸을 때 아이콘이 콩 하고 튀는 효과 */
.use-case-item:hover .use-case-icon {
  transform: scale(1.15) translateY(-2px);
}

.use-case-item span {
  font-family: var(--font-serif);
  font-size: 1.06rem;
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: -0.25px;
  color: var(--navy);
  word-break: keep-all;
}

@media (max-width: 768px) {
  .use-cases {
    padding: 46px 0 30px;
  }

  .use-cases-visual-center {
    max-width: 620px;
  }

  .use-cases-grid.trio-focus {
    max-width: 680px;
    gap: 14px;
  }

  .use-case-item {
    min-height: 132px;
    padding: 24px 14px;
  }

  .use-case-item span {
    font-size: 0.96rem;
  }
}

@media (max-width: 480px) {
  .use-cases {
    padding: 36px 0 30px;
  }

  .use-cases-inner {
    padding: 0 16px;
  }

  .use-cases-header {
    margin-bottom: 18px;
  }

  .use-cases-main-title {
    font-size: 1.35rem;
  }

  .use-cases-sub-copy {
    font-size: 0.88rem;
  }

  .use-cases-visual-center {
    max-width: 340px;
    margin-bottom: 24px;
    border-radius: 12px;
  }

  .use-cases-grid.trio-focus {
    flex-direction: column;
    align-items: center;
    gap: 12px;
  }

  .use-case-item {
    width: 82%;
    min-height: 114px;
    padding: 20px 14px;
  }

  .use-case-icon {
    font-size: 1.8rem;
    margin-bottom: 8px;
  }

  .use-case-item span {
    font-size: 0.95rem;
  }
.use-case-item {
    text-decoration: none;
    color: inherit;
}

.use-cases a,
.use-cases a:link,
.use-cases a:visited,
.use-cases a:hover,
.use-cases a:active {
    text-decoration: none;
    color: inherit;
 }
}