/* 랜딩페이지 전용 스타일 */

/* 전체 레이아웃 */
body { 
  background: #f8fafc; 
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

.landing-main { 
  max-width: 1200px; 
  margin: 0 auto; 
  padding: 0 16px; 
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* 공통 섹션 스타일 */
.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  color: #111827;
  text-align: center;
  margin: 0 0 3rem 0;
  line-height: 1.2;
}

/* Hero Section */
.hero-section {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: 5rem 2rem;
  margin: 2rem 0;
  border-radius: 24px;
  min-height: 60vh;
  display: flex;
  align-items: center;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .hero-content {
    grid-template-columns: 2fr 1fr;
  }
}

.hero-title {
  font-size: 3rem;
  font-weight: 900;
  margin: 0 0 1.5rem 0;
  line-height: 1.1;
}

@media (max-width: 767px) {
  .hero-title {
    font-size: 2.2rem;
  }
}

.hero-subtitle {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.9);
  margin: 0 0 2.5rem 0;
  line-height: 1.6;
}

.hero-buttons {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.hero-buttons .btn-primary,
.hero-buttons .btn-secondary {
  flex: 1;
  min-width: 180px;
  text-align: center;
  text-decoration: none;
  padding: 1rem 2rem;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1.1rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-primary {
  background: white;
  color: #667eea;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(255, 255, 255, 0.3);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.2);
  color: white;
  border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
}

/* Hero Visual */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.expertise-badge {
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 20px;
  padding: 2rem;
  text-align: center;
  min-width: 200px;
}

.badge-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.badge-text strong {
  display: block;
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.badge-text span {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.9rem;
}

/* 전문성 섹션 */
.expertise-section {
  padding: 5rem 0;
}

.expertise-grid {
  display: grid;
  gap: 2.5rem;
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .expertise-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 1024px) {
  .expertise-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.expertise-item {
  text-align: center;
  padding: 2.5rem 2rem;
  background: white;
  border-radius: 20px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.expertise-item:hover {
  transform: translateY(-5px);
}

.expertise-icon {
  font-size: 3rem;
  margin-bottom: 1.5rem;
}

.expertise-item h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: #111827;
  margin: 0 0 1rem 0;
}

.expertise-item p {
  color: #6b7280;
  line-height: 1.6;
  margin: 0;
}

/* 서비스 섹션 */
.services-section {
  padding: 5rem 0;
  background: white;
  margin: 2rem 0;
  border-radius: 24px;
}

.services-grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .services-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.service-card {
  padding: 2.5rem 2rem;
  background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
  border-radius: 16px;
  border: 1px solid #e2e8f0;
  text-align: center;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.service-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.service-icon {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
}

.service-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: #111827;
  margin: 0 0 1rem 0;
}

.service-card p {
  color: #6b7280;
  line-height: 1.5;
  margin: 0 0 1.5rem 0;
  font-size: 0.9rem;
}

.service-link {
  color: #667eea;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
}

.service-link:hover {
  text-decoration: underline;
}

/* 전문가 섹션 */
.experts-section {
  padding: 5rem 0;
}

.experts-grid {
  display: grid;
  gap: 2.5rem;
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .experts-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.expert-item {
  text-align: center;
  padding: 3rem 2rem;
  background: white;
  border-radius: 20px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
}

.expert-qualification {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.qualification-badge {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
}

.expert-item h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: #111827;
  margin: 0 0 1rem 0;
}

.expert-item p {
  color: #6b7280;
  line-height: 1.6;
  margin: 0;
}

/* 특징 섹션 */
.features-section {
  padding: 5rem 0;
  background: white;
  margin: 2rem 0;
  border-radius: 24px;
}

.features-grid {
  display: grid;
  gap: 3rem;
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .features-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.feature-item {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
}

.feature-number {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.feature-item h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: #111827;
  margin: 0 0 0.5rem 0;
}

.feature-item p {
  color: #6b7280;
  line-height: 1.6;
  margin: 0;
}

/* CTA 섹션 */
.cta-section {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: 5rem 2rem;
  margin: 2rem 0;
  border-radius: 24px;
  text-align: center;
}

.cta-content h2 {
  font-size: 2.5rem;
  font-weight: 800;
  margin: 0 0 1rem 0;
  line-height: 1.2;
}

.cta-content p {
  font-size: 1.2rem;
  color: rgba(255, 255, 255, 0.9);
  margin: 0 0 3rem 0;
  line-height: 1.6;
}

.cta-buttons {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  flex-wrap: wrap;
}

.cta-btn {
  padding: 1rem 2.5rem;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.1rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  min-width: 200px;
  text-align: center;
}

.cta-btn.primary {
  background: white;
  color: #667eea;
}

.cta-btn.primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(255, 255, 255, 0.3);
}

.cta-btn.secondary {
  background: rgba(255, 255, 255, 0.2);
  color: white;
  border: 2px solid rgba(255, 255, 255, 0.3);
}

.cta-btn.secondary:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
}

/* 반응형 조정 */
@media (max-width: 767px) {
  .landing-main {
    padding: 0 12px;
  }
  
  .hero-section {
    padding: 3rem 1.5rem;
    margin: 1rem 0;
    min-height: 50vh;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .expertise-section,
  .experts-section {
    padding: 3rem 0;
  }
  
  .services-section,
  .features-section {
    padding: 3rem 1.5rem;
    margin: 1.5rem 0;
  }
  
  .cta-section {
    padding: 3rem 1.5rem;
    margin: 1.5rem 0;
  }
  
  .cta-content h2 {
    font-size: 2rem;
  }
  
  .hero-buttons,
  .cta-buttons {
    flex-direction: column;
  }
  
  .hero-buttons .btn-primary,
  .hero-buttons .btn-secondary,
  .cta-btn {
    min-width: auto;
  }
}