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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: #1a1a1a;
  line-height: 1.6;
  background: #ffffff;
}

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

.header {
  background: #ffffff;
  border-bottom: 1px solid #e5e5e5;
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
}

.logo {
  font-weight: 700;
  font-size: 18px;
  color: #0066ff;
}

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

.nav-links a {
  text-decoration: none;
  color: #666;
  font-weight: 500;
  font-size: 15px;
  transition: color 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
  color: #0066ff;
}

.hero {
  padding: 80px 0 120px;
  background: linear-gradient(135deg, #f8f9ff 0%, #ffffff 100%);
}

.hero-content {
  max-width: 600px;
  margin-bottom: 48px;
}

.hero h1 {
  font-size: 48px;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 24px;
  color: #0a0a0a;
}

.hero-subtitle {
  font-size: 18px;
  color: #555;
  margin-bottom: 32px;
  line-height: 1.7;
}

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

.btn-primary {
  display: inline-block;
  padding: 14px 32px;
  background: #0066ff;
  color: #ffffff;
  text-decoration: none;
  border-radius: 8px;
  font-weight: 600;
  font-size: 15px;
  transition: all 0.2s;
  box-shadow: 0 2px 8px rgba(0, 102, 255, 0.2);
}

.btn-primary:hover {
  background: #0052cc;
  box-shadow: 0 4px 12px rgba(0, 102, 255, 0.3);
  transform: translateY(-1px);
}

.btn-secondary {
  display: inline-block;
  padding: 14px 32px;
  background: #ffffff;
  color: #0066ff;
  text-decoration: none;
  border-radius: 8px;
  font-weight: 600;
  font-size: 15px;
  border: 2px solid #0066ff;
  transition: all 0.2s;
}

.btn-secondary:hover {
  background: #f0f7ff;
}

.hero-image {
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.12);
}

.hero-image img {
  width: 100%;
  display: block;
}

.process {
  padding: 80px 0;
  background: #ffffff;
}

.process h2 {
  font-size: 36px;
  font-weight: 700;
  text-align: center;
  margin-bottom: 64px;
  color: #0a0a0a;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 40px;
}

.process-step {
  padding: 32px;
  background: #f8f9ff;
  border-radius: 12px;
  transition: transform 0.2s;
}

.process-step:hover {
  transform: translateY(-4px);
}

.step-number {
  font-size: 14px;
  font-weight: 700;
  color: #0066ff;
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}

.process-step h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 12px;
  color: #0a0a0a;
}

.process-step p {
  color: #555;
  font-size: 15px;
  line-height: 1.6;
}

.comparison {
  padding: 80px 0;
  background: #fafafa;
}

.comparison h2 {
  font-size: 36px;
  font-weight: 700;
  text-align: center;
  margin-bottom: 48px;
  color: #0a0a0a;
}

.comparison-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 32px;
  margin-bottom: 48px;
}

.comparison-card {
  background: #ffffff;
  padding: 40px;
  border-radius: 12px;
  border: 2px solid #e5e5e5;
}

.comparison-card h3 {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 24px;
  color: #0066ff;
}

.feature-list {
  list-style: none;
  margin-bottom: 24px;
}

.feature-list li {
  padding: 8px 0;
  padding-left: 24px;
  position: relative;
  color: #333;
  font-size: 15px;
}

.feature-list li:before {
  content: '✓';
  position: absolute;
  left: 0;
  color: #0066ff;
  font-weight: 700;
}

.note {
  font-size: 14px;
  color: #666;
  font-style: italic;
  line-height: 1.5;
}

.guarantee {
  background: #fff3cd;
  border-left: 4px solid #ff9800;
  padding: 24px;
  border-radius: 8px;
  margin-top: 32px;
}

.guarantee p {
  color: #333;
  font-size: 15px;
  line-height: 1.6;
}

.clients {
  padding: 80px 0;
  background: #ffffff;
}

.clients h2 {
  font-size: 36px;
  font-weight: 700;
  text-align: center;
  margin-bottom: 48px;
  color: #0a0a0a;
}

.client-logos {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 48px;
  flex-wrap: wrap;
  opacity: 0.6;
}

.client-logos img {
  height: 40px;
  width: auto;
  filter: grayscale(100%);
  transition: all 0.3s;
}

.client-logos img:hover {
  filter: grayscale(0%);
  opacity: 1;
}

.footer {
  background: #0a0a0a;
  color: #999;
  padding: 32px 0;
  text-align: center;
  font-size: 14px;
}

.page-hero {
  padding: 80px 0 60px;
  background: linear-gradient(135deg, #f8f9ff 0%, #ffffff 100%);
  text-align: center;
}

.page-hero h1 {
  font-size: 42px;
  font-weight: 700;
  margin-bottom: 16px;
  color: #0a0a0a;
}

.subtitle {
  font-size: 18px;
  color: #555;
  max-width: 600px;
  margin: 0 auto;
}

.portfolio {
  padding: 80px 0;
  background: #ffffff;
}

.portfolio-grid {
  display: grid;
  gap: 48px;
}

.portfolio-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.portfolio-item:nth-child(even) {
  direction: rtl;
}

.portfolio-item:nth-child(even) > * {
  direction: ltr;
}

.portfolio-image {
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.portfolio-image img {
  width: 100%;
  display: block;
  transition: transform 0.3s;
}

.portfolio-item:hover .portfolio-image img {
  transform: scale(1.02);
}

.portfolio-content h3 {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 12px;
  color: #0a0a0a;
}

.portfolio-content p {
  color: #555;
  font-size: 15px;
  line-height: 1.7;
  margin-bottom: 16px;
}

.portfolio-meta {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.tag {
  display: inline-block;
  padding: 6px 12px;
  background: #f0f7ff;
  color: #0066ff;
  font-size: 13px;
  font-weight: 500;
  border-radius: 6px;
}

.cta-section {
  padding: 80px 0;
  background: linear-gradient(135deg, #0066ff 0%, #0052cc 100%);
}

.cta-box {
  text-align: center;
  color: #ffffff;
}

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

.cta-box p {
  font-size: 18px;
  margin-bottom: 32px;
  opacity: 0.9;
}

.cta-box .btn-primary {
  background: #ffffff;
  color: #0066ff;
}

.cta-box .btn-primary:hover {
  background: #f0f7ff;
}

.approach-content {
  padding: 60px 0 80px;
}

.approach-section {
  margin-bottom: 80px;
}

.approach-section h2 {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 24px;
  color: #0a0a0a;
}

.approach-section > p {
  font-size: 16px;
  color: #555;
  margin-bottom: 32px;
  line-height: 1.7;
}

.details-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.detail-card {
  padding: 24px;
  background: #f8f9ff;
  border-radius: 8px;
}

.detail-card h4 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
  color: #0066ff;
}

.detail-card p {
  font-size: 14px;
  color: #555;
  line-height: 1.6;
}

.principles-list {
  display: grid;
  gap: 32px;
}

.principle {
  padding-left: 24px;
  border-left: 3px solid #0066ff;
}

.principle h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 8px;
  color: #0a0a0a;
}

.principle p {
  font-size: 15px;
  color: #555;
  line-height: 1.7;
}

.checklist {
  list-style: none;
  display: grid;
  gap: 12px;
}

.checklist li {
  padding: 12px 16px;
  background: #f8f9ff;
  border-radius: 6px;
  padding-left: 44px;
  position: relative;
  font-size: 15px;
  color: #333;
}

.checklist li:before {
  content: '✓';
  position: absolute;
  left: 16px;
  color: #0066ff;
  font-weight: 700;
  font-size: 18px;
}

.deliverables-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.deliverable-card {
  padding: 32px;
  background: #ffffff;
  border: 2px solid #e5e5e5;
  border-radius: 12px;
  transition: all 0.2s;
}

.deliverable-card:hover {
  border-color: #0066ff;
  box-shadow: 0 4px 16px rgba(0, 102, 255, 0.1);
}

.deliverable-card h4 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 12px;
  color: #0a0a0a;
}

.deliverable-card p {
  font-size: 14px;
  color: #555;
  line-height: 1.6;
}

@media (max-width: 768px) {
  .hero h1 {
    font-size: 36px;
  }
  .hero-cta {
    flex-direction: column;
  }
  .btn-primary, .btn-secondary {
    width: 100%;
    text-align: center;
  }
  .process-grid {
    grid-template-columns: 1fr;
  }
  .comparison-grid {
    grid-template-columns: 1fr;
  }
  .portfolio-item {
    grid-template-columns: 1fr;
  }
  .portfolio-item:nth-child(even) {
    direction: ltr;
  }
  .nav-links {
    gap: 16px;
    font-size: 14px;
  }
  .client-logos {
    gap: 24px;
  }
  .details-grid {
    grid-template-columns: 1fr;
  }
  .deliverables-grid {
    grid-template-columns: 1fr;
  }
}