/* page-header */
.page-header {
  position: relative;
  height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #edf6ff;
  overflow: hidden;
  padding-top: 70px;
}

.page-title {
  font-size: 36px;
  font-weight: 300;
  text-align: center;
  color: #2c4f7c;
  position: relative;
  z-index: 2;
}

.page-title-en {
  display: block;
  font-size: 16px;
  font-weight: 500;
  margin-top: 5px;
  color: #78a0cc;
  font-family: 'Montserrat', sans-serif;
  text-transform: uppercase;
  letter-spacing: 2px;
}

.page-header-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url('../images/page-header-bg.svg');
  background-position: center;
  background-size: cover;
  opacity: 0.3;
  z-index: 1;
}

/* overview-section */
.overview-section {
  background-color: #fff;
  text-align: center;
}

.overview-text {
  max-width: 900px;
  margin: 0 auto 50px;
  font-size: 18px;
  line-height: 1.8;
  color: #555;
}

.overview-text strong {
  color: #2c4f7c;
  font-weight: 500;
}

.overview-image {
  max-width: 800px;
  margin: 0 auto;
}

.overview-image img {
  width: 100%;
  height: auto;
}

/* business-section */
.business-section {
  background-color: #f5f9fe;
  position: relative;
  overflow: hidden;
}

.business-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url('../images/business-bg.svg');
  background-position: center;
  background-size: cover;
  opacity: 0.3;
  z-index: 0;
}

.business-items {
  position: relative;
  z-index: 1;
}

.business-item {
  background-color: white;
  border-radius: 10px;
  margin-bottom: 40px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  overflow: hidden;
  transition: all 0.3s ease;
}

.business-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.business-item-header {
  display: flex;
  align-items: center;
  padding: 30px;
  background-color: #f9f9f9;
  border-bottom: 1px solid #eee;
}

.business-item-icon {
  width: 60px;
  height: 60px;
  margin-right: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.business-item-icon img {
  width: 100%;
  height: auto;
}

.business-item-title {
  font-size: 24px;
  font-weight: 500;
  color: #2c4f7c;
  margin: 0;
}

.business-item-content {
  padding: 30px;
}

.business-item-text {
  font-size: 16px;
  line-height: 1.8;
  color: #555;
  margin-bottom: 20px;
}

.business-item-text strong {
  color: #2c4f7c;
  font-weight: 500;
}

.business-item-examples {
  margin-top: 30px;
  background-color: #f9f9f9;
  padding: 20px;
  border-radius: 5px;
}

.business-item-examples-title {
  font-size: 16px;
  font-weight: 500;
  color: #2c4f7c;
  margin: 0 0 10px;
}

.business-item-examples-list {
  margin: 0;
  padding-left: 20px;
}

.business-item-examples-list li {
  margin-bottom: 5px;
  color: #555;
}

.business-item-price {
  margin-top: 20px;
  display: inline-block;
  background-color: #2c4f7c;
  color: white;
  padding: 10px 20px;
  border-radius: 30px;
}

.business-item-price-label {
  font-size: 14px;
  margin-right: 10px;
}

.business-item-price-value {
  font-size: 16px;
  font-weight: 500;
}

/* strength-section */
.strength-section {
  background-color: #fff;
}

.strength-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 30px;
}

.strength-card {
  background-color: #f9f9f9;
  border-radius: 10px;
  padding: 30px;
  text-align: center;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  transition: all 0.3s ease;
}

.strength-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.strength-card-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.strength-card-icon img {
  width: 100%;
  height: auto;
}

.strength-card-title {
  font-size: 18px;
  font-weight: 500;
  margin-bottom: 15px;
  color: #2c4f7c;
}

.strength-card-text {
  font-size: 15px;
  line-height: 1.7;
  color: #666;
}

/* cases-section */
.cases-section {
  background-color: #f5f9fe;
}

.cases-list {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.case-item {
  display: flex;
  background-color: white;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  transition: all 0.3s ease;
}

.case-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.case-item-image {
  flex: 0 0 300px;
  overflow: hidden;
}

.case-item-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: all 0.3s ease;
}

.case-item:hover .case-item-image img {
  transform: scale(1.05);
}

.case-item-content {
  flex: 1;
  padding: 30px;
  position: relative;
}

.case-item-category {
  display: inline-block;
  background-color: #2c4f7c;
  color: white;
  font-size: 12px;
  padding: 5px 10px;
  border-radius: 30px;
  margin-bottom: 15px;
}

.case-item-title {
  font-size: 22px;
  font-weight: 500;
  margin: 0 0 10px;
  color: #2c4f7c;
}

.case-item-client {
  font-size: 14px;
  color: #78a0cc;
  margin-bottom: 15px;
}

.case-item-text {
  font-size: 15px;
  line-height: 1.8;
  color: #555;
  margin-bottom: 20px;
}

.case-item-details {
  background-color: #f9f9f9;
  padding: 15px;
  border-radius: 5px;
  margin: 0;
}

.case-item-details dt {
  font-size: 14px;
  font-weight: 500;
  color: #2c4f7c;
  margin-bottom: 5px;
}

.case-item-details dd {
  font-size: 14px;
  line-height: 1.7;
  color: #666;
  margin: 0 0 15px 0;
}

.case-item-details dd:last-child {
  margin-bottom: 0;
}

/* cta-section */
.cta-section {
  background-color: #2c4f7c;
  color: white;
  text-align: center;
}

.cta-content {
  max-width: 700px;
  margin: 0 auto;
}

.cta-title {
  font-size: 32px;
  font-weight: 300;
  margin-bottom: 20px;
  line-height: 1.4;
}

.cta-text {
  font-size: 18px;
  margin-bottom: 30px;
  line-height: 1.7;
  opacity: 0.8;
}

/* Animation */
.fade-element {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive */
@media (max-width: 992px) {
  .case-item {
    flex-direction: column;
  }
  
  .case-item-image {
    flex: auto;
    height: 200px;
  }
  
  .business-item-header {
    padding: 20px;
  }
  
  .business-item-icon {
    width: 50px;
    height: 50px;
  }
  
  .business-item-title {
    font-size: 20px;
  }
  
  .business-item-content {
    padding: 20px;
  }
}

@media (max-width: 768px) {
  .page-header {
    height: 200px;
    padding-top: 60px;
  }
  
  .page-title {
    font-size: 28px;
  }
  
  .overview-text {
    font-size: 16px;
  }
  
  .case-item-title {
    font-size: 20px;
  }
  
  .cta-title {
    font-size: 26px;
  }
  
  .cta-text {
    font-size: 16px;
  }
}

@media (max-width: 576px) {
  .page-header {
    height: 180px;
  }
  
  .page-title {
    font-size: 24px;
  }
  
  .business-item-header {
    flex-direction: column;
    text-align: center;
    padding: 15px;
  }
  
  .business-item-icon {
    margin: 0 0 15px;
  }
  
  .business-item-text {
    font-size: 15px;
  }
  
  .case-item-image {
    height: 150px;
  }
  
  .case-item-title {
    font-size: 18px;
  }
}