:root{
  --color-bg-primary: #ffffff;
  --color-bg-secondary: #fafbfc;
  --color-bg-tertiary: #f4f6f8;
  
  --color-primary: #0066cc;
  --color-primary-dark: #004d99;
  --color-primary-light: #3385d6;
  --color-accent: #00a8e8;
  
  --color-text-primary: #1a1a1a;
  --color-text-secondary: #4a5568;
  --color-text-tertiary: #718096;
  
  --color-border: #e2e8f0;
  --color-border-light: #f1f5f9;
  
  --gradient-primary: linear-gradient(135deg, #0066cc 0%, #00a8e8 100%);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.12);
}

*{
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body{
  height: 100%;
}

body{
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: var(--color-bg-primary);
  color: var(--color-text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.main-header{
  background: var(--color-bg-primary);
  border-bottom: 1px solid var(--color-border);
  padding: 20px 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow-sm);
}

.header-container{
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo-container{
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-icon{
  width: 32px;
  height: 32px;
  color: var(--color-primary);
}

.logo-text{
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--color-text-primary);
}

.header-contact{
  padding: 10px 24px;
  background: var(--gradient-primary);
  color: white;
  text-decoration: none;
  border-radius: 8px;
  font-weight: 600;
  font-size: 15px;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-sm);
}

.header-contact:hover{
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.page-content{
  min-height: calc(100vh - 73px);
}

.hero-section{
  padding: 120px 32px 100px;
  background: linear-gradient(to bottom, #fafbfc 0%, #ffffff 100%);
  position: relative;
  overflow: visible;
}

.hero-section::before{
  content: '';
  position: absolute;
  inset: 0;
  background-image: 
    radial-gradient(circle at 20% 30%, rgba(0, 102, 204, 0.04) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(0, 168, 232, 0.04) 0%, transparent 50%);
  pointer-events: none;
}

.hero-container{
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  overflow: visible;
}

.hero-badge{
  display: inline-block;
  padding: 8px 20px;
  background: linear-gradient(135deg, rgba(0, 102, 204, 0.08) 0%, rgba(0, 168, 232, 0.08) 100%);
  border: 1px solid rgba(0, 102, 204, 0.15);
  border-radius: 100px;
  color: var(--color-primary);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 32px;
}

.hero-title{
  font-size: clamp(42px, 6vw, 72px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 28px;
  color: var(--color-text-primary);
  overflow: visible;
}

.hero-highlight{
  display: inline-block;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-top: 0.15em;
  padding-bottom: 0.1em;
  line-height: 1.3;
}

.hero-description{
  font-size: clamp(18px, 2vw, 24px);
  line-height: 1.6;
  color: var(--color-text-secondary);
  margin-bottom: 48px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.hero-cta{
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.cta-button{
  padding: 16px 40px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 16px;
  text-decoration: none;
  transition: all 0.3s ease;
  display: inline-block;
}

.cta-button.primary{
  background: var(--gradient-primary);
  color: white;
  box-shadow: var(--shadow-md);
}

.cta-button.primary:hover{
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(0, 102, 204, 0.25);
}

.founder-section{
  padding: 80px 32px;
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
}

.founder-container{
  max-width: 1000px;
  margin: 0 auto;
}

.founder-content{
  display: flex;
  gap: 48px;
  align-items: center;
}

.founder-image-wrapper{
  flex-shrink: 0;
}

.founder-image{
  width: 240px;
  height: 240px;
  border-radius: 16px;
  object-fit: cover;
  box-shadow: var(--shadow-lg);
  border: 3px solid white;
}

.founder-info{
  flex: 1;
}

.founder-label{
  display: inline-block;
  padding: 6px 16px;
  background: linear-gradient(135deg, rgba(0, 102, 204, 0.08) 0%, rgba(0, 168, 232, 0.08) 100%);
  border: 1px solid rgba(0, 102, 204, 0.15);
  border-radius: 100px;
  color: var(--color-primary);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.founder-name{
  font-size: clamp(32px, 4.5vw, 42px);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
  color: var(--color-text-primary);
}

.founder-bio{
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text-secondary);
  margin-bottom: 28px;
}

.founder-links{
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.founder-link{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  color: var(--color-text-primary);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  transition: all 0.3s ease;
}

.founder-link:hover{
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.founder-link svg{
  flex-shrink: 0;
}

.expertise-section{
  padding: 100px 32px;
  background: var(--color-bg-primary);
}

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

.section-title{
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 60px;
  text-align: center;
  color: var(--color-text-primary);
}

.section-title.center{
  text-align: center;
}

.expertise-grid{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 28px;
}

.expertise-card{
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: 36px 28px;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  position: relative;
}

.expertise-card:hover{
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary-light);
}

.card-click-hint{
  margin-top: 16px;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-primary);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.expertise-card:hover .card-click-hint{
  opacity: 1;
}

.card-icon{
  width: 48px;
  height: 48px;
  color: var(--color-primary);
  margin-bottom: 20px;
}

.card-icon svg{
  width: 100%;
  height: 100%;
}

.card-title{
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--color-text-primary);
  line-height: 1.3;
}

.card-description{
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-text-secondary);
}

.consulting-section{
  padding: 100px 32px;
  background: var(--color-bg-secondary);
}

.consulting-container{
  max-width: 1000px;
  margin: 0 auto;
}

.consulting-content{
  text-align: center;
}

.consulting-intro{
  font-size: 18px;
  line-height: 1.7;
  color: var(--color-text-secondary);
  margin-bottom: 60px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.consulting-services{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 48px;
  text-align: left;
  margin-top: 60px;
}

.service-column{
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: 40px 32px;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}

.service-column:hover{
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.service-heading{
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 24px;
  color: var(--color-text-primary);
  padding-bottom: 16px;
  border-bottom: 2px solid var(--color-primary);
}

.service-list{
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.service-list li{
  font-size: 16px;
  color: var(--color-text-secondary);
  padding-left: 28px;
  position: relative;
  line-height: 1.6;
}

.service-list li::before{
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  background: var(--gradient-primary);
  border-radius: 50%;
}

.footer-section{
  background: var(--color-text-primary);
  color: white;
  padding: 60px 32px 32px;
}

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

.footer-grid{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
  margin-bottom: 48px;
}

.footer-column{
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-heading{
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
  color: white;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-company-name{
  font-size: 18px;
  font-weight: 700;
  color: white;
  margin: 0;
}

.footer-text{
  font-size: 14px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.85);
  margin: 0;
}

.footer-email{
  color: var(--color-accent);
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-email:hover{
  color: white;
}

.footer-social{
  display: flex;
  gap: 12px;
  margin-top: 8px;
}

.footer-social-link{
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  color: white;
  transition: all 0.3s ease;
}

.footer-social-link:hover{
  background: var(--color-primary);
  transform: translateY(-2px);
}

.footer-legal{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
  padding: 32px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  margin-bottom: 32px;
}

.footer-legal-notice{
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-legal-heading{
  font-size: 15px;
  font-weight: 700;
  color: white;
  margin: 0;
}

.footer-legal-text{
  font-size: 13px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.75);
  margin: 0;
}

.footer-bottom{
  text-align: center;
}

.footer-copyright{
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
  margin: 0;
}

@media (max-width: 768px){
  .header-container{
    padding: 0 20px;
  }
  
  .logo-text{
    font-size: 18px;
  }
  
  .header-contact{
    padding: 8px 18px;
    font-size: 14px;
  }
  
  .hero-section{
    padding: 80px 20px 60px;
  }
  
  .founder-section{
    padding: 60px 20px;
  }
  
  .founder-content{
    flex-direction: column;
    gap: 32px;
    text-align: center;
  }
  
  .founder-image{
    width: 200px;
    height: 200px;
  }
  
  .founder-bio{
    font-size: 15px;
  }
  
  .founder-links{
    justify-content: center;
  }
  
  .expertise-section,
  .consulting-section{
    padding: 60px 20px;
  }
  
  .expertise-grid{
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .consulting-services{
    grid-template-columns: 1fr;
    gap: 28px;
  }
  
  .section-title{
    margin-bottom: 40px;
  }
}

@media (max-width: 480px){
  .hero-badge{
    font-size: 11px;
    padding: 6px 16px;
  }
  
  .cta-button{
    padding: 14px 32px;
    font-size: 15px;
    width: 100%;
  }
  
  .founder-image{
    width: 180px;
    height: 180px;
  }
  
  .founder-name{
    font-size: 28px;
  }
  
  .founder-bio{
    font-size: 14px;
  }
  
  .founder-links{
    flex-direction: column;
  }
  
  .founder-link{
    width: 100%;
    justify-content: center;
  }
  
  .service-column{
    padding: 32px 24px;
  }
  
  .footer-grid{
    grid-template-columns: 1fr;
    gap: 32px;
  }
  
  .footer-legal{
    grid-template-columns: 1fr;
    gap: 24px;
  }
  
  .footer-section{
    padding: 48px 20px 24px;
  }
}

.modal{
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-overlay{
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
}

.modal-content{
  position: relative;
  background: white;
  border-radius: 16px;
  padding: 40px;
  max-width: 600px;
  width: 100%;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  z-index: 1;
}

.modal-close{
  position: absolute;
  top: 16px;
  right: 16px;
  background: none;
  border: none;
  font-size: 32px;
  color: var(--color-text-tertiary);
  cursor: pointer;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  transition: all 0.3s ease;
}

.modal-close:hover{
  background: var(--color-bg-tertiary);
  color: var(--color-text-primary);
}

.modal-title{
  font-size: 28px;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 20px;
  padding-right: 40px;
}

.modal-body{
  color: var(--color-text-secondary);
}

.modal-description{
  font-size: 16px;
  line-height: 1.7;
  margin-bottom: 28px;
}

.modal-links{
  border-top: 1px solid var(--color-border);
  padding-top: 24px;
}

.modal-links h4{
  font-size: 18px;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 16px;
}

.modal-link{
  display: block;
  padding: 12px 16px;
  margin-bottom: 8px;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  color: var(--color-primary);
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  transition: all 0.3s ease;
}

.modal-link:hover{
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
  transform: translateX(4px);
}

@media (max-width: 768px){
  .modal-content{
    padding: 32px 24px;
    max-height: 90vh;
  }
  
  .modal-title{
    font-size: 24px;
  }
  
  .modal-description{
    font-size: 15px;
  }
}

@media (prefers-reduced-motion: reduce){
  *{
    animation: none !important;
    transition: none !important;
  }
}