/* General Styles */
body {
  font-family: 'Segoe UI', sans-serif;
  margin: 0;
  padding: 0;
  background-color: #F1F2F3;
  color: #1A2A3A;
  line-height: 1.6;
}

/* Header */
header {
  background-color: #fff;
  padding: 20px 40px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}

header h1 {
  margin: 0;
  font-size: 1.8em;
  color: #1A2A3A;
}

nav ul {
  list-style: none;
  padding: 0;
  margin: 10px 0 0 0;
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

nav ul li a {
  text-decoration: none;
  color: #1A2A3A;
  font-weight: 500;
  padding: 6px 10px;
  border-radius: 5px;
  transition: background-color 0.3s;
}

nav ul li a.active,
nav ul li a:hover {
  background-color: #1A2A3A;
  color: #fff;
}

/* Hero Section */
.hero {
  display: flex;
  align-items: center;
  padding: 80px 40px;
  background-color: #ffffff;
}

.hero-content {
  flex: 1;
  padding-right: 40px;
}

.hero-image {
  flex: 1;
}

.hero-image img {
  width: 100%;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.hero h2 {
  font-size: 2.5em;
  margin-bottom: 20px;
  color: #1A2A3A;
}

.hero p {
  font-size: 1.2em;
  margin-bottom: 30px;
  color: #2C3E50;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 14px 28px;
  background-color: #FFC107;
  color: #1A2A3A;
  text-decoration: none;
  border-radius: 6px;
  font-weight: bold;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  font-size: 1em;
}

.btn:hover {
  background-color: #e0a800;
  transform: translateY(-2px);
}

/* Case Study Section */
.case-study {
  padding: 80px 40px;
  background-color: #F1F2F3;
}

.case-header {
  text-align: center;
  margin-bottom: 50px;
}

.case-tag {
  display: inline-block;
  background-color: #FFC107;
  color: #1A2A3A;
  padding: 6px 15px;
  border-radius: 20px;
  font-weight: 600;
  margin-bottom: 15px;
}

.case-header h3 {
  font-size: 2.2em;
  margin: 10px 0;
  color: #1A2A3A;
}

.case-header p {
  color: #666;
  font-size: 1.1em;
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-bottom: 60px;
}

.case-card {
  background-color: #fff;
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.05);
  text-align: center;
  transition: transform 0.3s ease;
}

.case-card:hover {
  transform: translateY(-5px);
}

.case-icon {
  font-size: 2.5em;
  margin-bottom: 15px;
}

.case-card h4 {
  margin: 15px 0;
  color: #1A2A3A;
  font-size: 1.3em;
}

.case-card p {
  color: #666;
  margin: 0;
}

.case-details {
  background-color: #fff;
  padding: 40px;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

.detail-block {
  margin-bottom: 40px;
}

.detail-block:last-child {
  margin-bottom: 0;
}

.detail-block h4 {
  font-size: 1.5em;
  color: #1A2A3A;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 10px;
}

.detail-block h4::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 60px;
  height: 3px;
  background-color: #FFC107;
}

.detail-block ul {
  padding-left: 20px;
}

.detail-block li {
  margin-bottom: 10px;
}

.results-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 30px;
}

.result-item {
  text-align: center;
  padding: 20px;
  background-color: #F1F2F3;
  border-radius: 8px;
}

.result-number {
  font-size: 2.2em;
  font-weight: bold;
  color: #1A2A3A;
  margin-bottom: 5px;
}

.result-label {
  color: #666;
  font-size: 0.9em;
}

/* Services Section */
.services {
  padding: 80px 40px;
  background-color: #ffffff;
}

.services h3 {
  text-align: center;
  font-size: 2.2em;
  margin-bottom: 50px;
  color: #1A2A3A;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  max-width: 1000px;
  margin: 0 auto;
}

.service-card {
  background-color: #F1F2F3;
  padding: 30px;
  border-radius: 12px;
  transition: transform 0.3s ease;
}

.service-card:hover {
  transform: translateY(-5px);
}

.service-card h4 {
  font-size: 1.4em;
  color: #1A2A3A;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 2px solid #FFC107;
}

.service-card ul {
  padding-left: 20px;
}

.service-card li {
  margin-bottom: 10px;
}

/* CTA Section */
.cta {
  text-align: center;
  padding: 80px 40px;
  background-color: #1A2A3A;
  color: white;
}

.cta h3 {
  font-size: 2em;
  margin-bottom: 15px;
}

.cta p {
  max-width: 600px;
  margin: 0 auto 30px;
  font-size: 1.1em;
}

/* Footer */
footer {
  background-color: #fff;
  text-align: center;
  padding: 30px;
  font-size: 0.9em;
  color: #1A2A3A;
  border-top: 1px solid #ddd;
  box-shadow: 0 -1px 5px rgba(0,0,0,0.05);
}

/* Responsive Design */
@media (max-width: 900px) {
  .hero {
    flex-direction: column;
    text-align: center;
    padding: 60px 20px;
  }
  
  .hero-content {
    padding-right: 0;
    margin-bottom: 40px;
  }
  
  .case-study,
  .services,
  .cta {
    padding: 60px 20px;
  }
}

@media (max-width: 600px) {
  header {
    flex-direction: column;
    text-align: center;
    padding: 20px;
  }
  
  nav ul {
    justify-content: center;
  }
  
  .hero h2 {
    font-size: 2em;
  }
  
  .case-header h3 {
    font-size: 1.8em;
  }
  
  .service-grid {
    grid-template-columns: 1fr;
  }
}