/**
 * 업로드 영역 컴포넌트 스타일
 */
.upload-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  align-items: center;
}

/* 드래그 앤 드롭 영역 */
.upload-zone {
  transition: all 0.3s ease;
  border: 3px dashed #cbd5e1;
  background: linear-gradient(135deg, #fff5f5 0%, #f7f7f7 100%);
  border-radius: 1.5rem;
  padding: 2.5rem 1.5rem;
  text-align: center;
  cursor: pointer;
}

@media (min-width: 768px) {
  .upload-zone {
    padding: 3rem 2rem;
  }
}

.upload-zone:hover {
  border-color: var(--primary-color);
  background: linear-gradient(135deg, #ffecec 0%, #fffbe5 100%);
  transform: scale(1.01);
}

.upload-zone.drag-over {
  border-color: var(--primary-color);
  background: linear-gradient(135deg, #ffe0e0 0%, #e3f6f3 100%);
  box-shadow: 0 0 30px rgba(255, 107, 107, 0.25);
}

.upload-zone .pointer-events-none {
  pointer-events: none;
}

/* 모바일 터치 최적화 */
@media (max-width: 640px) {
  /* 모든 클릭 가능한 요소에 최소 터치 영역 확보 */
  button,
  .upload-zone,
  .scenario-tab-button,
  .hero-cta-button {
    min-height: 44px;
    min-width: 44px;
  }
  
  /* 스크롤 부드럽게 */
  html {
    scroll-behavior: smooth;
  }
  
  /* 첫 화면 최적화 - 핵심 정보가 보이도록 */
  header {
    min-height: auto;
  }
}

/* 모드 선택 카드 */
.mode-card {
  transition: all 0.3s ease;
}

.mode-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

/* 시나리오 탭 버튼 */
.scenario-tab-button {
  transition: all 0.3s ease;
  cursor: pointer;
  background: transparent;
  border: none;
}

.scenario-tab-button:hover {
  color: #4f46e5;
  background-color: rgba(79, 70, 229, 0.05);
}

.scenario-tab-button.active {
  color: #4f46e5;
}

/* 시나리오 콘텐츠 */
.scenario-content {
  transition: opacity 0.3s ease;
}

.scenario-step {
  transition: transform 0.3s ease;
}

.scenario-step:hover {
  transform: scale(1.05);
}

/* 히어로 CTA 버튼 */
.hero-cta-button {
  transition: all 0.3s ease;
  min-width: 200px;
  min-height: 48px; /* 터치 영역 확보 (모바일 접근성) */
  touch-action: manipulation; /* 더블탭 줌 방지 */
}

.hero-cta-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.primary-cta-button {
  background: linear-gradient(135deg, #4f46e5 0%, #6366f1 100%);
}

.secondary-cta-button {
  background: linear-gradient(135deg, #9333ea 0%, #a855f7 100%);
}

/* 가치 배지 */
.value-badge {
  transition: all 0.3s ease;
  animation: fadeInUp 0.6s ease-out forwards;
}

.value-badge:nth-child(1) {
  animation-delay: 0.1s;
  opacity: 0;
}

.value-badge:nth-child(2) {
  animation-delay: 0.2s;
  opacity: 0;
}

.value-badge:nth-child(3) {
  animation-delay: 0.3s;
  opacity: 0;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.value-badge:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* 신뢰 카드 */
.trust-card {
  transition: all 0.3s ease;
}

.trust-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

/* 여정 단계 */
.journey-step {
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.journey-step::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: left 0.5s ease;
}

.journey-step:hover::before {
  left: 100%;
}

.journey-step:hover {
  transform: translateX(5px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

/* 페르소나 카드 */
.persona-card {
  transition: all 0.3s ease;
}

.persona-card:hover {
  transform: translateY(-5px) scale(1.02);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

/* 시각적 위계 개선 */
.hero-section h2 {
  background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* 스크롤 애니메이션 */
.fade-in {
  opacity: 0;
  animation: fadeIn 0.8s ease-out forwards;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 간단한 사용방법 스타일 */
.step-card {
  transition: all 0.3s ease;
}

.step-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

/* 활용 사례 표 스타일 */
.usage-table-header {
  font-weight: 600;
  text-align: center;
  vertical-align: middle;
}

.usage-table-cell {
  vertical-align: top;
  width: 50%;
}

.usage-table-cell:hover {
  background-color: rgba(255, 255, 255, 0.5) !important;
}

/* 모바일에서 표 최적화 */
@media (max-width: 640px) {
  .usage-table-header {
    font-size: 0.875rem;
    padding: 0.5rem !important;
  }
  
  .usage-table-header .text-xl {
    font-size: 1.125rem !important;
  }
  
  .usage-table-cell {
    padding: 0.75rem !important;
  }
  
  .usage-table-cell .text-2xl {
    font-size: 1.5rem !important;
  }
  
  .usage-table-cell p {
    font-size: 0.8125rem !important;
  }
  
  .usage-table-cell .text-sm {
    font-size: 0.75rem !important;
  }
}