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

:root {
  --primary-color: #1a1a1a;
  --secondary-color: #f5f5f5;
  --accent-color: #8b8b8b;
  --text-dark: #1a1a1a;
  --text-light: #666666;
  --bg-white: #ffffff;
  --bg-light: #fafafa;
  --border-color: #e8e8e8;
  --border-radius: 0;
  --spacing-base: 24px;
  --transition: all 0.3s ease;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
  color: var(--text-dark);
  background-color: var(--bg-white);
  font-size: 16px;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-base);
}

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

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

.logo {
  text-decoration: none;
  color: var(--primary-color);
  font-size: 18px;
  font-weight: 500;
  letter-spacing: 0.5px;
}

.logo-text {
  letter-spacing: 1px;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 40px;
  align-items: center;
}

.nav-menu a {
  text-decoration: none;
  color: var(--text-dark);
  font-weight: 400;
  font-size: 14px;
  letter-spacing: 0.3px;
  transition: var(--transition);
  position: relative;
}

.nav-menu a:hover {
  color: var(--accent-color);
}

.burger-menu {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.burger-menu span {
  width: 24px;
  height: 2px;
  background-color: var(--primary-color);
  transition: var(--transition);
}

.hero {
  background-color: var(--bg-light);
  padding: 120px 0;
  text-align: center;
  border-bottom: 1px solid var(--border-color);
}

.hero-content h1 {
  font-size: 48px;
  color: var(--text-dark);
  margin-bottom: 24px;
  line-height: 1.2;
  font-weight: 400;
  letter-spacing: -0.5px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.hero-subtitle {
  font-size: 18px;
  color: var(--text-light);
  margin-bottom: 48px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  font-weight: 400;
  line-height: 1.7;
}

.btn {
  display: inline-block;
  padding: 14px 32px;
  text-decoration: none;
  border-radius: var(--border-radius);
  font-weight: 400;
  transition: var(--transition);
  border: 1px solid var(--primary-color);
  cursor: pointer;
  font-size: 14px;
  letter-spacing: 0.5px;
  background-color: transparent;
}

.btn-primary {
  background-color: var(--primary-color);
  color: var(--bg-white);
  border-color: var(--primary-color);
}

.btn-primary:hover {
  background-color: var(--accent-color);
  border-color: var(--accent-color);
  color: var(--bg-white);
}

.btn-secondary {
  background-color: transparent;
  color: var(--primary-color);
  border-color: var(--primary-color);
}

.btn-secondary:hover {
  background-color: var(--primary-color);
  color: var(--bg-white);
}

.features {
  padding: 100px 0;
  background-color: var(--bg-white);
  border-bottom: 1px solid var(--border-color);
}

.features h2 {
  text-align: center;
  font-size: 36px;
  color: var(--text-dark);
  margin-bottom: 72px;
  font-weight: 400;
  letter-spacing: -0.3px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 48px;
}

.feature-card {
  background-color: var(--bg-white);
  padding: 0;
  text-align: left;
}

.feature-icon {
  font-size: 36px;
  margin-bottom: 20px;
}

.feature-card h3 {
  font-size: 22px;
  color: var(--primary-color);
  margin-bottom: 12px;
  font-weight: 400;
  letter-spacing: 0.2px;
}

.feature-card p {
  color: var(--text-light);
  line-height: 1.7;
  font-size: 15px;
}

.services-preview {
  padding: 100px 0;
  background-color: var(--bg-light);
}

.services-preview h2 {
  text-align: center;
  font-size: 36px;
  color: var(--text-dark);
  margin-bottom: 72px;
  font-weight: 400;
  letter-spacing: -0.3px;
}

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

.service-card {
  background-color: var(--bg-white);
  border: 1px solid var(--border-color);
  overflow: hidden;
  transition: var(--transition);
}

.service-card:hover {
  box-shadow: 0 4px 24px rgba(26, 26, 26, 0.08);
}

.service-card img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  display: block;
}

.service-card-content {
  padding: 32px;
}

.service-card-content h3 {
  font-size: 24px;
  color: var(--primary-color);
  margin-bottom: 16px;
  font-weight: 400;
  letter-spacing: 0.2px;
}

.service-card-content p {
  color: var(--text-light);
  line-height: 1.7;
  font-size: 15px;
}

.design-process {
  padding: 100px 0;
  background-color: var(--bg-white);
  border-bottom: 1px solid var(--border-color);
}

.design-process h2 {
  text-align: center;
  font-size: 36px;
  color: var(--text-dark);
  margin-bottom: 72px;
  font-weight: 400;
  letter-spacing: -0.3px;
}

.process-content {
  max-width: 800px;
  margin: 0 auto;
}

.process-text h3 {
  font-size: 28px;
  color: var(--primary-color);
  margin-bottom: 24px;
  font-weight: 400;
  letter-spacing: -0.2px;
}

.process-text p {
  color: var(--text-light);
  font-size: 16px;
  line-height: 1.8;
  margin-bottom: 20px;
}

.approach {
  padding: 100px 0;
  background-color: var(--bg-light);
}

.approach h2 {
  text-align: center;
  font-size: 36px;
  color: var(--text-dark);
  margin-bottom: 72px;
  font-weight: 400;
  letter-spacing: -0.3px;
}

.approach-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 40px;
}

.approach-item {
  background-color: var(--bg-white);
  padding: 32px;
  border: 1px solid var(--border-color);
}

.approach-item h4 {
  font-size: 18px;
  color: var(--primary-color);
  margin-bottom: 12px;
  font-weight: 400;
  letter-spacing: 0.2px;
}

.approach-item p {
  color: var(--text-light);
  line-height: 1.7;
  font-size: 15px;
}

.testimonials {
  padding: 100px 0;
  background-color: var(--bg-white);
  border-bottom: 1px solid var(--border-color);
}

.testimonials h2 {
  text-align: center;
  font-size: 36px;
  color: var(--text-dark);
  margin-bottom: 72px;
  font-weight: 400;
  letter-spacing: -0.3px;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 48px;
}

.testimonial-card {
  background-color: var(--bg-light);
  padding: 40px;
  border: 1px solid var(--border-color);
}

.testimonial-text {
  font-size: 16px;
  color: var(--text-light);
  line-height: 1.8;
  margin-bottom: 24px;
  font-style: italic;
}

.testimonial-author {
  font-weight: 400;
  color: var(--primary-color);
  font-size: 14px;
  letter-spacing: 0.3px;
}

.cta {
  padding: 100px 0;
  text-align: center;
  background-color: var(--bg-light);
}

.cta h2 {
  font-size: 36px;
  color: var(--text-dark);
  margin-bottom: 24px;
  font-weight: 400;
  letter-spacing: -0.3px;
}

.cta p {
  font-size: 18px;
  color: var(--text-light);
  margin-bottom: 48px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.7;
}

.page-header {
  background-color: var(--bg-light);
  padding: 80px 0;
  text-align: center;
  border-bottom: 1px solid var(--border-color);
}

.page-header h1 {
  font-size: 42px;
  color: var(--text-dark);
  margin-bottom: 16px;
  font-weight: 400;
  letter-spacing: -0.3px;
}

.page-subtitle {
  font-size: 17px;
  color: var(--text-light);
  font-weight: 400;
}

.about-intro,
.our-values,
.our-approach {
  padding: 80px 0;
}

.about-intro {
  background-color: var(--bg-white);
  border-bottom: 1px solid var(--border-color);
}

.our-values {
  background-color: var(--bg-light);
}

.our-approach {
  background-color: var(--bg-white);
}

.about-intro h2,
.our-values h2,
.our-approach h2 {
  font-size: 32px;
  color: var(--primary-color);
  margin-bottom: 24px;
  font-weight: 400;
  letter-spacing: -0.2px;
}

.about-content p,
.our-approach p {
  color: var(--text-light);
  font-size: 16px;
  line-height: 1.8;
  margin-bottom: 20px;
  max-width: 800px;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 48px;
  margin-top: 48px;
}

.value-card {
  background-color: var(--bg-white);
  padding: 32px;
  border: 1px solid var(--border-color);
}

.value-card h3 {
  font-size: 22px;
  color: var(--primary-color);
  margin-bottom: 16px;
  font-weight: 400;
  letter-spacing: 0.2px;
}

.value-card p {
  color: var(--text-light);
  line-height: 1.7;
  font-size: 15px;
}

.services-list {
  padding: 80px 0;
  background-color: var(--bg-white);
}

.service-card-detailed {
  background-color: var(--bg-white);
  padding: 48px;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 48px;
}

.service-card-detailed:last-child {
  border-bottom: none;
  margin-bottom: 0;
}

.service-card-detailed h2 {
  font-size: 28px;
  color: var(--primary-color);
  margin-bottom: 24px;
  font-weight: 400;
  letter-spacing: -0.2px;
}

.service-card-detailed p {
  color: var(--text-light);
  font-size: 16px;
  line-height: 1.8;
  margin-bottom: 16px;
}

.service-cta {
  padding: 80px 0;
  text-align: center;
  background-color: var(--bg-light);
  border-top: 1px solid var(--border-color);
}

.service-cta h2 {
  font-size: 32px;
  color: var(--text-dark);
  margin-bottom: 24px;
  font-weight: 400;
  letter-spacing: -0.2px;
}

.service-cta p {
  font-size: 18px;
  color: var(--text-light);
  margin-bottom: 48px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.7;
}

.contact-content {
  padding: 80px 0;
  background-color: var(--bg-white);
}

.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.contact-info h2 {
  font-size: 32px;
  color: var(--primary-color);
  margin-bottom: 24px;
  font-weight: 400;
  letter-spacing: -0.2px;
}

.contact-info > p {
  color: var(--text-light);
  font-size: 16px;
  line-height: 1.8;
  margin-bottom: 48px;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.contact-item h3 {
  font-size: 16px;
  color: var(--primary-color);
  margin-bottom: 8px;
  font-weight: 400;
  letter-spacing: 0.3px;
  text-transform: uppercase;
}

.contact-item p {
  color: var(--text-light);
  font-size: 15px;
}

.contact-form-wrapper h2 {
  font-size: 32px;
  color: var(--primary-color);
  margin-bottom: 32px;
  font-weight: 400;
  letter-spacing: -0.2px;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

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

.form-group label {
  font-weight: 400;
  color: var(--text-dark);
  margin-bottom: 8px;
  font-size: 13px;
  letter-spacing: 0.3px;
  text-transform: uppercase;
}

.form-group input,
.form-group textarea {
  padding: 12px 16px;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  font-size: 15px;
  font-family: inherit;
  transition: var(--transition);
  background-color: var(--bg-white);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
}

.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
  margin-top: 4px;
  cursor: pointer;
}

.checkbox-label span {
  font-weight: normal;
  color: var(--text-light);
  font-size: 13px;
  line-height: 1.6;
  text-transform: none;
}

.thankyou-section {
  padding: 120px 0;
  text-align: center;
  background-color: var(--bg-light);
}

.thankyou-content h1 {
  font-size: 42px;
  color: var(--primary-color);
  margin-bottom: 24px;
  font-weight: 400;
  letter-spacing: -0.3px;
}

.thankyou-content p {
  font-size: 18px;
  color: var(--text-light);
  margin-bottom: 48px;
  line-height: 1.7;
}

.policy-content {
  padding: 80px 0;
  max-width: 900px;
  margin: 0 auto;
  background-color: var(--bg-white);
}

.policy-section {
  margin-bottom: 48px;
  border-top: 1px solid var(--border-color);
  padding-top: 32px;
}

.policy-section:first-child {
  border-top: none;
  padding-top: 0;
}

.policy-section h2 {
  font-size: 28px;
  color: var(--primary-color);
  margin-bottom: 20px;
  font-weight: 400;
  letter-spacing: -0.2px;
}

.policy-section p {
  color: var(--text-light);
  font-size: 16px;
  line-height: 1.8;
  margin-bottom: 16px;
}

.footer {
  background-color: var(--primary-color);
  color: var(--bg-white);
  padding: 80px 0 24px;
  margin-top: 100px;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 48px;
  margin-bottom: 48px;
}

.footer-section h3,
.footer-section h4 {
  color: var(--bg-white);
  margin-bottom: 20px;
  font-weight: 400;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.footer-section h3 {
  font-size: 16px;
}

.footer-section h4 {
  font-size: 13px;
}

.footer-section p {
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.7;
  margin-bottom: 12px;
  font-size: 14px;
}

.footer-section ul {
  list-style: none;
}

.footer-section ul li {
  margin-bottom: 12px;
}

.footer-section ul li a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: var(--transition);
  font-size: 14px;
}

.footer-section ul li a:hover {
  color: var(--bg-white);
}

.footer-bottom {
  text-align: center;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
  color: rgba(255, 255, 255, 0.5);
  font-size: 12px;
  letter-spacing: 0.3px;
}

@media (max-width: 768px) {
  .burger-menu {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: 72px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 72px);
    background-color: var(--bg-white);
    flex-direction: column;
    padding: 48px 24px;
    transition: var(--transition);
    border-top: 1px solid var(--border-color);
  }

  .nav-menu.active {
    left: 0;
  }

  .hero {
    padding: 80px 0;
  }

  .hero-content h1 {
    font-size: 32px;
  }

  .hero-subtitle {
    font-size: 16px;
  }

  .features h2,
  .services-preview h2,
  .design-process h2,
  .approach h2,
  .testimonials h2,
  .cta h2 {
    font-size: 28px;
  }

  .contact-wrapper {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .services-grid,
  .features-grid,
  .testimonials-grid {
    grid-template-columns: 1fr;
  }

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

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

  .page-header h1 {
    font-size: 32px;
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .hero {
    padding: 60px 0;
  }

  .hero-content h1 {
    font-size: 28px;
  }

  .hero-subtitle {
    font-size: 15px;
  }

  .btn {
    padding: 12px 28px;
    font-size: 13px;
  }

  .features,
  .services-preview,
  .design-process,
  .approach,
  .testimonials,
  .cta {
    padding: 80px 0;
  }

  .features h2,
  .services-preview h2,
  .design-process h2,
  .approach h2,
  .testimonials h2,
  .cta h2 {
    font-size: 24px;
    margin-bottom: 48px;
  }

  .feature-card,
  .service-card-content,
  .testimonial-card {
    padding: 24px;
  }

  .service-card-detailed {
    padding: 32px 24px;
  }

  .approach-item {
    padding: 24px;
  }
}