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

body {
  font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  line-height: 1.6;
  color: #1a1a1a;
  background: #fff;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.btn {
  display: inline-block;
  padding: 14px 28px;
  border-radius: 8px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s;
}

.btn-primary {
  background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
  color: white;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(99, 102, 241, 0.3);
}

.btn-secondary {
  background: #f1f5f9;
  color: #334155;
}

.btn-secondary:hover {
  background: #e2e8f0;
}

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid #e5e7eb;
  z-index: 100;
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-size: 20px;
  font-weight: 700;
  color: #1a1a1a;
}

.logo img {
  height: 36px;
}

.nav {
  display: flex;
  gap: 32px;
}

.nav a {
  text-decoration: none;
  color: #64748b;
  font-weight: 500;
  transition: color 0.2s;
}

.nav a:hover {
  color: #6366f1;
}

.hero {
  padding: 160px 0 100px;
  background: linear-gradient(180deg, #f8fafc 0%, #fff 100%);
  text-align: center;
}

.hero h1 {
  font-size: 56px;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 24px;
  background: linear-gradient(135deg, #1a1a1a 0%, #6366f1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 20px;
  color: #64748b;
  max-width: 600px;
  margin: 0 auto 40px;
}

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

.services {
  padding: 100px 0;
  background: #fff;
}

.services h2 {
  font-size: 40px;
  font-weight: 700;
  text-align: center;
  margin-bottom: 16px;
}

.section-desc {
  text-align: center;
  color: #64748b;
  font-size: 18px;
  margin-bottom: 60px;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.service-card {
  background: #f8fafc;
  border-radius: 16px;
  padding: 40px;
  text-align: center;
  transition: all 0.3s;
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
}

.service-icon {
  font-size: 48px;
  margin-bottom: 24px;
}

.service-img {
  width: 80px;
  height: 80px;
  object-fit: contain;
  margin-bottom: 24px;
}

.service-card h3 {
  font-size: 24px;
  margin-bottom: 16px;
}

.service-card p {
  color: #64748b;
}

.about {
  padding: 100px 0;
  background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
  color: white;
}

.about h2 {
  font-size: 40px;
  font-weight: 700;
  margin-bottom: 24px;
}

.about p {
  font-size: 18px;
  opacity: 0.9;
  max-width: 600px;
  margin-bottom: 40px;
}

.stats {
  display: flex;
  gap: 48px;
  list-style: none;
}

.stats li {
  display: flex;
  flex-direction: column;
}

.stats strong {
  font-size: 48px;
  font-weight: 800;
}

.stats span {
  font-size: 16px;
  opacity: 0.8;
}

.cta {
  padding: 100px 0;
  text-align: center;
  background: #f8fafc;
}

.cta h2 {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 16px;
}

.cta p {
  color: #64748b;
  font-size: 18px;
  margin-bottom: 32px;
}

.footer {
  padding: 60px 0 24px;
  background: #1a1a1a;
  color: #94a3b8;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  padding-bottom: 40px;
  border-bottom: 1px solid #334155;
}

.footer h4 {
  color: white;
  font-size: 20px;
  margin-bottom: 16px;
}

.footer-nav {
  display: flex;
  gap: 24px;
}

.footer-nav a {
  color: #94a3b8;
  text-decoration: none;
  transition: color 0.2s;
}

.footer-nav a:hover {
  color: white;
}

.footer-bottom {
  padding-top: 24px;
  text-align: center;
  font-size: 14px;
}

@media (max-width: 768px) {
  .hero h1 {
    font-size: 36px;
  }

  .service-grid {
    grid-template-columns: 1fr;
  }

  .stats {
    flex-direction: column;
    gap: 24px;
  }

  .nav {
    display: none;
  }
}

/* Page Hero */
.page-hero {
  padding: 140px 0 60px;
  background: linear-gradient(180deg, #f8fafc 0%, #fff 100%);
  text-align: center;
}

.page-hero h1 {
  font-size: 48px;
  font-weight: 800;
  margin-bottom: 16px;
  background: linear-gradient(135deg, #1a1a1a 0%, #6366f1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.page-hero p {
  font-size: 18px;
  color: #64748b;
}

/* About Page */
.about-intro {
  padding: 80px 0;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-text h2 {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 24px;
}

.about-text p {
  color: #64748b;
  margin-bottom: 16px;
  line-height: 1.8;
}

.about-image .placeholder-image {
  background: #f1f5f9;
  border-radius: 16px;
  height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 80px;
}

/* History */
.history {
  padding: 80px 0;
  background: #f8fafc;
}

.history h2 {
  font-size: 36px;
  font-weight: 700;
  text-align: center;
  margin-bottom: 60px;
}

.timeline {
  max-width: 600px;
  margin: 0 auto;
}

.timeline-item {
  display: flex;
  gap: 32px;
  padding-bottom: 40px;
  border-left: 2px solid #e5e7eb;
  padding-left: 32px;
  margin-left: 60px;
  position: relative;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -7px;
  top: 0;
  width: 12px;
  height: 12px;
  background: #6366f1;
  border-radius: 50%;
}

.timeline-year {
  position: absolute;
  left: -100px;
  font-weight: 700;
  color: #6366f1;
  font-size: 18px;
}

.timeline-content h3 {
  font-size: 20px;
  margin-bottom: 8px;
}

.timeline-content p {
  color: #64748b;
}

/* Team */
.team {
  padding: 80px 0;
}

.team h2 {
  font-size: 36px;
  font-weight: 700;
  text-align: center;
  margin-bottom: 60px;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.team-card {
  text-align: center;
  padding: 40px;
  background: #f8fafc;
  border-radius: 16px;
}

.team-photo {
  font-size: 64px;
  margin-bottom: 20px;
}

.team-card h3 {
  font-size: 20px;
  margin-bottom: 8px;
}

.team-role {
  color: #6366f1;
  font-weight: 600;
  margin-bottom: 12px;
}

.team-desc {
  color: #64748b;
  font-size: 14px;
}

/* Services Detail */
.services-detail {
  padding: 60px 0;
}

.service-detail-card {
  display: flex;
  gap: 40px;
  padding: 40px;
  background: #f8fafc;
  border-radius: 16px;
  margin-bottom: 32px;
}

.service-detail-icon {
  font-size: 64px;
  flex-shrink: 0;
}

.service-detail-content h2 {
  font-size: 28px;
  margin-bottom: 16px;
}

.service-detail-content p {
  color: #64748b;
  margin-bottom: 20px;
  line-height: 1.8;
}

.service-features {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.service-features li {
  padding-left: 24px;
  position: relative;
  color: #334155;
}

.service-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: #6366f1;
  font-weight: 700;
}

/* Contact */
.contact-section {
  padding: 60px 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 60px;
}

.contact-info h2,
.contact-form-wrapper h2 {
  font-size: 28px;
  margin-bottom: 32px;
}

.contact-item {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
}

.contact-icon {
  font-size: 24px;
}

.contact-item h3 {
  font-size: 16px;
  margin-bottom: 4px;
}

.contact-item p {
  color: #64748b;
  font-size: 14px;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-weight: 500;
  font-size: 14px;
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 12px 16px;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  font-size: 16px;
  font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: #6366f1;
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.map-section {
  padding: 60px 0;
  background: #f8fafc;
}

.map-section h2 {
  font-size: 28px;
  margin-bottom: 24px;
  text-align: center;
}

.map-placeholder {
  background: #e5e7eb;
  border-radius: 16px;
  height: 300px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #64748b;
}

.map-placeholder p:first-child {
  font-size: 48px;
  margin-bottom: 16px;
}

@media (max-width: 768px) {

  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .team-grid {
    grid-template-columns: 1fr;
  }

  .service-detail-card {
    flex-direction: column;
  }

  .service-features {
    grid-template-columns: 1fr;
  }
}