/* =============== BOOKAT Library 페이지 전용 =============== */


/* 히어로 섹션 */
.hero-section {
  background: #ffffff;  /* 하늘색 그라데이션 → 하얀색 */
  color: #1f2937;
  padding: 80px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><defs><pattern id="grid" width="50" height="50" patternUnits="userSpaceOnUse"><path d="M 50 0 L 0 0 0 50" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
  opacity: 0.3;
}

.hero-content {
  position: relative;
  z-index: 2;
}


.hero-title {
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 800;
  margin: 0 0 16px;
  line-height: 1.2;
  color: #ffffff;
}

.hero-title strong {
  color: #ef4444;
}

.hero-subtitle {
  font-size: clamp(20px, 3vw, 32px);
  font-weight: 300;
  margin: 0 0 20px;
  color: #374151;
  opacity: 0.9;
}

.hero-description {
  font-size: clamp(16px, 2vw, 20px);
  margin: 0;
  color: #ffffff;
  line-height: 1.6;
  max-width: 600px;
  margin: 0 auto;
  opacity: 0.9;
}

/* 서비스 소개 섹션 */
.service-intro {
  padding: 80px 0;
  background: #ffffff;
}

.intro-title {
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 700;
  text-align: center;
  margin: 0 0 60px;
  color: #1f2937;
}

.intro-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 40px;
  margin-top: 40px;
}

.feature-item {
  text-align: center;
  padding: 40px 20px;
  background: white;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  border: 1px solid #e5e7eb;
  position: relative;
}

.feature-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
  border-color: #ef4444;
}

.feature-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #ef4444, #dc2626);
  border-radius: 12px 12px 0 0;
}

.feature-icon {
  font-size: 48px;
  margin-bottom: 20px;
}

.feature-item h4 {
  font-size: 24px;
  font-weight: 700;
  margin: 0 0 16px;
  color: #1f2937;
}

.feature-item p {
  color: #4b5563;
  line-height: 1.6;
  margin: 0;
}

/* 서비스 장점 섹션 */
.service-advantages {
  padding: 80px 0;
  background: #f8fafc;
}

.advantages-subtitle {
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 700;
  text-align: center;
  margin: 0 0 60px;
  color: #1f2937;
}

.advantages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 40px;
}

.advantage-card {
  text-align: center;
  padding: 40px 20px;
  background: #f8fafc;
  border-radius: 20px;
  border: 1px solid #e2e8f0;
  transition: all 0.3s ease;
}

.advantage-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
  border-color: var(--blue);
}

.advantage-icon {
  font-size: 48px;
  margin-bottom: 20px;
}

.advantage-card h4 {
  font-size: 20px;
  font-weight: 700;
  margin: 0 0 16px;
  color: #1f2937;
}

.advantage-card p {
  color: #4b5563;
  line-height: 1.6;
  margin: 0;
}

/* 고객 후기 섹션 */
.customer-reviews {
  padding: 80px 0;
  background: #f8fafc;
}

.reviews-subtitle {
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 700;
  text-align: center;
  margin: 0 0 60px;
  color: #1f2937;
}

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.review-card {
  background: white;
  padding: 30px;
  border-radius: 16px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
  border-left: 4px solid var(--blue);
}

.review-text {
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  margin: 0 0 20px;
  font-style: italic;
}

.review-author {
  color: #4b5563;
  font-size: 14px;
}

/* 통계 섹션 */
.statistics {
  padding: 60px 0;
  background: var(--navy);
  color: white;
  text-align: center;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 40px;
  margin-bottom: 40px;
}

.stat-item {
  text-align: center;
}

.stat-number {
  font-size: clamp(36px, 5vw, 48px);
  font-weight: 800;
  color: #ef4444;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 16px;
  opacity: 0.9;
}

.stats-note {
  font-size: 14px;
  opacity: 0.8;
  margin: 0;
}

/* FAQ 섹션 */
.faq-section {
  padding: 80px 0;
  background: white;
  margin-top: 80px;
}

.faq-grid {
  display: grid;
  gap: 30px;
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: #f8fafc;
  padding: 30px;
  border-radius: 16px;
  border: 1px solid #e2e8f0;
}

.faq-question {
  font-size: 18px;
  font-weight: 700;
  color: #1f2937;
  margin: 0 0 16px;
}

.faq-answer {
  color: #4b5563;
  line-height: 1.6;
  margin: 0;
}


/* CTA 섹션 */
.cta-section {
  padding: 80px 0;
  background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
  color: #1f2937;
  text-align: center;
}

.cta-title {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800;
  margin: 0 0 20px;
  line-height: 1.2;
  color: #1f2937;
}

.cta-description {
  font-size: clamp(16px, 2vw, 20px);
  margin: 0 0 40px;
  color: #4b5563;
  line-height: 1.6;
}

.cta-buttons {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-primary {
  background: #ef4444;
  color: white;
  font-weight: 700;
  padding: 16px 32px;
  border-radius: 12px;
  text-decoration: none;
  transition: all 0.3s ease;
  display: inline-block;
  text-align: center;
  min-width: 140px;
}

.btn-primary:hover {
  background: #dc2626;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(239, 68, 68, 0.3);
}

.btn-secondary {
  background: #ffffff;
  color: #1f2937;
  border: 2px solid #e5e7eb;
  font-weight: 600;
  padding: 16px 32px;
  border-radius: 12px;
  text-decoration: none;
  transition: all 0.3s ease;
}

.btn-secondary:hover {
  background: #f8fafc;
  border-color: #d1d5db;
  transform: translateY(-2px);
}

/* BOOKAT 스타일 버튼들 */
.btn-orange {
  background: #f97316;
  color: white;
  font-weight: 600;
  padding: 16px 32px;
  border-radius: 12px;
  text-decoration: none;
  display: inline-block;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  text-align: center;
  min-width: 140px;
}

.btn-orange:hover {
  background: #ea580c;
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(249, 115, 22, 0.3);
}

.btn-green {
  background: #28a745;
  color: white;
  font-weight: 600;
  padding: 16px 32px;
  border-radius: 12px;
  text-decoration: none;
  display: inline-block;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  text-align: center;
  min-width: 140px;
}

.btn-green:hover {
  background: #218838;
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(40, 167, 69, 0.3);
}

/* 다양한 플랫폼 지원 스타일 */
.platform-support {
  margin-top: 60px;
  padding: 40px;
  background: white;
  border-radius: 20px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.platform-title {
  font-size: 28px;
  font-weight: 700;
  text-align: center;
  margin: 0 0 40px;
  color: #1f2937;
}

.platform-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

@media (max-width: 1200px) {
  .platform-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .platform-grid {
    grid-template-columns: 1fr;
  }
}

.platform-item {
  padding: 30px 20px;
  background: #f8fafc;
  border-radius: 12px;
  border-left: 4px solid #ef4444;
  text-align: center;
  transition: all 0.3s ease;
}

.platform-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.platform-icon {
  font-size: 48px;
  margin-bottom: 20px;
  display: block;
}

.platform-item h4 {
  font-size: 20px;
  font-weight: 700;
  margin: 0 0 20px;
  color: #1f2937;
}

.platform-item ul {
  list-style: none;
  padding: 0;
  margin: 0;
  text-align: left;
}

.platform-item li {
  padding: 8px 0;
  color: #4b5563;
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.5;
}

.platform-item li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: #ef4444;
  font-weight: bold;
  font-size: 16px;
}



/* 통계 섹션 업데이트 */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 40px;
  margin-bottom: 40px;
}

/* 반응형 디자인 */
@media (max-width: 768px) {
  .hero-section {
    padding: 60px 0;
  }
  
  .service-intro,
  .service-advantages,
  .customer-reviews,
  .faq-section {
    padding: 60px 0;
  }
  
  .intro-features,
  .advantages-grid,
  .reviews-grid,
  .platform-grid {
    grid-template-columns: 1fr;
  }
  
  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .btn-primary,
  .btn-secondary {
    width: 100%;
    max-width: 300px;
  }
  
  .process-timeline::before {
    left: 20px;
  }
  
  .process-step {
    gap: 20px;
  }
  
  .step-number {
    width: 40px;
    height: 40px;
    font-size: 18px;
  }
  
  .step-content {
    padding: 20px;
  }
}

@media (max-width: 480px) {
  .feature-item,
  .advantage-card,
  .review-card {
    padding: 20px;
  }
  
  .faq-item {
    padding: 20px;
  }
  
  .platform-support {
    padding: 20px;
  }
  
  .platform-item {
    padding: 20px 15px;
  }
}

/* 자동 업데이트 및 유지보수 섹션 */
.maintenance-section {
  margin-top: 80px;
  padding: 60px 0;
  background: #f8fafc;
  border-radius: 20px;
}

.maintenance-title {
  font-size: 28px;
  font-weight: 700;
  text-align: center;
  margin: 0 0 40px;
  color: #1f2937;
}

.maintenance-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.maintenance-card {
  background: white;
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  text-align: center;
  transition: all 0.3s ease;
}

.maintenance-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.maintenance-icon {
  font-size: 48px;
  margin-bottom: 20px;
  display: block;
}

.maintenance-card h4 {
  font-size: 20px;
  font-weight: 700;
  margin: 0 0 20px;
  color: #1f2937;
}

.maintenance-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
  text-align: left;
}

.maintenance-card li {
  padding: 8px 0;
  color: #4b5563;
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.5;
}

.maintenance-card li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: #ef4444;
  font-weight: bold;
  font-size: 16px;
}

/* 유연한 확장성 섹션 */
.scalability-section {
  margin-top: 80px;
  padding: 60px 0;
  background: linear-gradient(135deg, #e0e7ff 0%, #c7d2fe 100%);
  border-radius: 20px;
}

.scalability-title {
  font-size: 28px;
  font-weight: 700;
  text-align: center;
  margin: 0 0 40px;
  color: #1f2937;
}

.scalability-content {
  max-width: 800px;
  margin: 0 auto;
}

.scalability-text h4 {
  font-size: 24px;
  font-weight: 700;
  margin: 0 0 20px;
  color: #1f2937;
}

.scalability-text ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.scalability-text li {
  padding: 12px 0;
  color: #4b5563;
  position: relative;
  padding-left: 25px;
  font-size: 16px;
  line-height: 1.6;
}

.scalability-text li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: #ef4444;
  font-weight: bold;
  font-size: 18px;
}

/* 경제적 이점 섹션 */
.economic-benefits {
  margin-top: 80px;
  padding: 60px 0;
  background: white;
  border-radius: 20px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.economic-title {
  font-size: 28px;
  font-weight: 700;
  text-align: center;
  margin: 0 0 50px;
  color: #1f2937;
}

.economic-flow {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
}

.economic-step {
  background: #f8fafc;
  padding: 30px 20px;
  border-radius: 12px;
  text-align: center;
  position: relative;
  transition: all 0.3s ease;
}

.economic-step:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.step-number {
  width: 50px;
  height: 50px;
  background: #ef4444;
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: bold;
  margin: 0 auto 20px;
}

.economic-step h4 {
  font-size: 18px;
  font-weight: 700;
  margin: 0 0 20px;
  color: #1f2937;
}

.economic-step ul {
  list-style: none;
  padding: 0;
  margin: 0;
  text-align: left;
}

.economic-step li {
  padding: 8px 0;
  color: #4b5563;
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.5;
}

.economic-step li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: #ef4444;
  font-weight: bold;
  font-size: 16px;
}

/* 반응형 디자인 */
@media (max-width: 768px) {
  .maintenance-grid,
  .economic-flow {
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
  }
  
  .maintenance-section,
  .scalability-section,
  .economic-benefits {
    margin-top: 40px;
    padding: 40px 20px;
  }
  
  .maintenance-card,
  .economic-step {
    padding: 20px 15px;
  }
}

/* 더 작은 화면을 위한 추가 반응형 */
@media (max-width: 480px) {
  .economic-flow {
    grid-template-columns: 1fr;
    gap: 15px;
  }
}

/* 구축사례 섹션 */
.case-studies {
  padding: 60px 0;
  background: #f8fafc;
}

.section-subtitle {
  font-size: 18px;
  color: #6b7280;
  margin-bottom: 40px;
  text-align: center;
}

/* 사용처 통계 */
.usage-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-bottom: 50px;
}

.stat-item {
  text-align: center;
  padding: 30px;
  background: white;
  border-radius: 16px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.stat-number {
  font-size: 36px;
  font-weight: 800;
  color: #ef4444;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 16px;
  color: #6b7280;
  font-weight: 500;
}

/* 사용처 로고 */
.usage-logos {
  margin-bottom: 50px;
}

.usage-logos h3 {
  text-align: center;
  margin-bottom: 30px;
  color: #1f2937;
}

.logo-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.logo-item {
  background: white;
  padding: 20px;
  border-radius: 12px;
  text-align: center;
  font-weight: 600;
  color: #374151;
  border: 2px solid #e5e7eb;
  transition: all 0.3s ease;
}

.logo-item:hover {
  border-color: #ef4444;
  transform: translateY(-2px);
}

/* 고객 후기 */
.customer-reviews h3 {
  text-align: center;
  margin-bottom: 30px;
  color: #1f2937;
}

.review-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.review-card {
  background: white;
  padding: 30px;
  border-radius: 16px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
  border-left: 4px solid #ef4444;
}

.review-content {
  font-size: 16px;
  line-height: 1.6;
  color: #374151;
  margin-bottom: 20px;
  font-style: italic;
}

.review-author {
  font-size: 14px;
  color: #6b7280;
}

.review-author strong {
  color: #1f2937;
}

/* 구축사례 플레이스홀더 스타일 */
.case-studies-placeholder {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 400px;
}

.placeholder-content {
  text-align: center;
  max-width: 600px;
  padding: 60px 40px;
  background: #ffffff;
  border-radius: 20px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  border: 2px dashed #e5e7eb;
}

.placeholder-icon {
  font-size: 4rem;
  margin-bottom: 20px;
  opacity: 0.6;
}

.placeholder-content h3 {
  font-size: 1.8rem;
  color: #1f2937;
  margin-bottom: 16px;
  font-weight: 600;
}

.placeholder-content p {
  font-size: 1.1rem;
  color: #6b7280;
  margin-bottom: 40px;
  line-height: 1.6;
}

.placeholder-features {
  display: flex;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
}

.feature-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 20px;
  background: #f8fafc;
  border-radius: 12px;
  min-width: 120px;
  transition: transform 0.2s ease;
}

.feature-item:hover {
  transform: translateY(-2px);
  background: #f1f5f9;
}

.feature-icon {
  font-size: 2rem;
  opacity: 0.7;
}

.feature-item span:last-child {
  font-size: 0.9rem;
  color: #6b7280;
  font-weight: 500;
}

/* 구축사례 반응형 디자인 */
@media (max-width: 768px) {
  .placeholder-content {
    padding: 40px 20px;
    margin: 0 20px;
  }
  
  .placeholder-features {
    gap: 20px;
  }
  
  .feature-item {
    min-width: 100px;
    padding: 15px;
  }
}