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

:root {
  --primary: #0369a1;
  --primary-dark: #075985;
  --secondary: #0d9488;
  --background: #ffffff;
  --foreground: #0f172a;
  --muted: #f1f5f9;
  --muted-foreground: #64748b;
  --border: #e2e8f0;
}

body {
  font-family: "Inter", sans-serif;
  color: var(--foreground);
  line-height: 1.6;
}

a {
  text-decoration: none;
  color: inherit;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
header {
  background: var(--background);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  max-width: 1200px;
  margin: 0 auto;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--primary);
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: var(--primary);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: bold;
}

nav {
  display: flex;
  gap: 32px;
  align-items: center;
}

nav a {
  color: var(--muted-foreground);
  font-weight: 500;
  transition: color 0.2s;
}

nav a:hover {
  color: var(--primary);
}

.nav-btn {
  background: var(--primary) !important;
  color: white !important;
  padding: 10px 20px;
  border-radius: 8px;
  font-weight: 500;
  transition: background 0.2s;
}

.nav-btn:hover {
  background: var(--primary-dark) !important;
}

.mobile-menu {
  display: none;
  flex-direction: column;
  gap: 4px;
  cursor: pointer;
  padding: 10px;
}

.mobile-menu span {
  width: 24px;
  height: 2px;
  background: var(--foreground);
  border-radius: 2px;
}

/* Buttons */
.btn-primary {
  background: var(--primary);
  color: white;
  padding: 14px 28px;
  border-radius: 8px;
  font-weight: 600;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: none;
  cursor: pointer;
  font-size: 1rem;
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
}

.btn-secondary {
  background: white;
  color: var(--foreground);
  padding: 14px 28px;
  border-radius: 8px;
  font-weight: 600;
  border: 1px solid var(--border);
  transition: all 0.2s;
}

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

/* Page Header */
.page-header {
  background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
  padding: 60px 20px;
  text-align: center;
}

.page-header h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.page-header p {
  color: var(--muted-foreground);
  font-size: 1.125rem;
}

/* CTA Section */
.cta {
  padding: 80px 20px;
  background: var(--primary);
  color: white;
  text-align: center;
}

.cta h2 {
  font-size: 2.25rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.cta p {
  opacity: 0.9;
  margin-bottom: 32px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

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

.cta .btn-primary:hover {
  background: var(--muted);
}

/* Footer */
footer {
  background: var(--foreground);
  color: white;
  padding: 60px 20px 30px;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  max-width: 1200px;
  margin: 0 auto;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 10px;
}

.footer-section h4 {
  font-weight: 600;
  margin-bottom: 20px;
}

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

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

.footer-section a {
  color: rgba(255, 255, 255, 0.7);
  transition: color 0.2s;
}

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

.footer-bottom {
  text-align: center;
  padding-top: 30px;
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.875rem;
  max-width: 1200px;
  margin: 0 auto;
}

/* Products Page */
.products-page {
  padding: 60px 20px;
}

.product-category {
  margin-bottom: 60px;
}

.product-category h2 {
  font-size: 1.75rem;
  margin-bottom: 24px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--primary);
}

.products-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.product-item {
  background: white;
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  transition: all 0.3s;
}

.product-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.product-item img {
  width: 100%;
  height: 160px;
  object-fit: cover;
}

.product-item h3 {
  font-size: 1rem;
  padding: 16px 16px 8px;
}

.product-item p {
  color: var(--muted-foreground);
  font-size: 0.875rem;
  padding: 0 16px 16px;
}

/* About Page */
.about-content {
  padding: 60px 20px;
}

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

.about-text h2 {
  font-size: 2rem;
  margin-bottom: 20px;
}

.about-text p {
  color: var(--muted-foreground);
  margin-bottom: 16px;
}

.about-image img {
  width: 100%;
  border-radius: 16px;
}

.mission-vision {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-bottom: 60px;
}

.mv-card {
  background: var(--muted);
  padding: 32px;
  border-radius: 16px;
}

.mv-card h3 {
  font-size: 1.5rem;
  margin-bottom: 16px;
}

.values-section {
  margin-bottom: 60px;
}

.values-section h2 {
  text-align: center;
  margin-bottom: 40px;
  font-size: 2rem;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.value-card {
  text-align: center;
  padding: 24px;
  background: var(--muted);
  border-radius: 12px;
}

.value-icon {
  font-size: 2rem;
  margin-bottom: 12px;
}

.value-card h4 {
  margin-bottom: 8px;
}

.value-card p {
  color: var(--muted-foreground);
  font-size: 0.875rem;
}

.team-section h2 {
  text-align: center;
  margin-bottom: 40px;
  font-size: 2rem;
}

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

.team-card {
  text-align: center;
  padding: 32px;
  background: var(--muted);
  border-radius: 16px;
}

.team-photo {
  font-size: 4rem;
  margin-bottom: 16px;
}

.team-card h4 {
  margin-bottom: 4px;
}

.team-card p {
  color: var(--muted-foreground);
}

/* Quality Page */
.quality-content {
  padding: 60px 20px;
}

.quality-intro {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 60px;
}

.quality-intro h2 {
  font-size: 2rem;
  margin-bottom: 16px;
}

.certifications {
  margin-bottom: 60px;
}

.certifications h2 {
  text-align: center;
  margin-bottom: 40px;
}

.cert-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.cert-card {
  text-align: center;
  padding: 32px;
  background: var(--muted);
  border-radius: 16px;
}

.cert-icon {
  font-size: 3rem;
  margin-bottom: 16px;
}

.cert-card h3 {
  margin-bottom: 8px;
  color: var(--primary);
}

.quality-process {
  margin-bottom: 60px;
}

.quality-process h2 {
  text-align: center;
  margin-bottom: 40px;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.process-card {
  padding: 24px;
  background: white;
  border: 1px solid var(--border);
  border-radius: 12px;
}

.process-number {
  width: 40px;
  height: 40px;
  background: var(--primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  margin-bottom: 16px;
}

.process-card h4 {
  margin-bottom: 8px;
}

.process-card p {
  color: var(--muted-foreground);
  font-size: 0.875rem;
}

.quality-features h2 {
  text-align: center;
  margin-bottom: 40px;
}

.qf-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.qf-card {
  padding: 24px;
  background: var(--muted);
  border-radius: 12px;
}

.qf-card h4 {
  margin-bottom: 8px;
  color: var(--primary);
}

.qf-card p {
  color: var(--muted-foreground);
}

/* Clients Page */
.clients-content {
  padding: 60px 20px;
}

.clients-intro {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 60px;
  color: var(--muted-foreground);
}

.clients-section {
  margin-bottom: 60px;
}

.clients-section h2 {
  text-align: center;
  margin-bottom: 40px;
}

.major-clients-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.major-client-card {
  padding: 32px;
  background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
  border-radius: 16px;
  border-left: 4px solid var(--primary);
}

.major-client-card h3 {
  margin-bottom: 8px;
}

.major-client-card p {
  color: var(--muted-foreground);
}

.all-clients {
  margin-bottom: 60px;
}

.all-clients h2 {
  text-align: center;
  margin-bottom: 40px;
}

.clients-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.client-item {
  padding: 16px;
  background: var(--muted);
  border-radius: 8px;
  text-align: center;
  font-weight: 500;
}

.testimonials h2 {
  text-align: center;
  margin-bottom: 40px;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.testimonial-card {
  padding: 32px;
  background: white;
  border: 1px solid var(--border);
  border-radius: 16px;
}

.testimonial-card p {
  font-style: italic;
  margin-bottom: 20px;
  color: var(--muted-foreground);
}

.testimonial-author strong {
  display: block;
}

.testimonial-author span {
  font-size: 0.875rem;
  color: var(--muted-foreground);
}

/* Contact Page */
.contact-content {
  padding: 60px 20px;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 60px;
}

.contact-form-section h2 {
  margin-bottom: 8px;
}

.contact-form-section > p {
  color: var(--muted-foreground);
  margin-bottom: 32px;
}

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

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

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

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

.form-group input,
.form-group select,
.form-group textarea {
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 1rem;
  font-family: inherit;
  transition: border-color 0.2s;
}

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

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

.info-card {
  padding: 24px;
  background: var(--muted);
  border-radius: 12px;
}

.info-card h3 {
  margin-bottom: 12px;
}

.info-card p {
  color: var(--muted-foreground);
}

.map-container {
  margin-top: 10px;
}

/* Responsive */
@media (max-width: 1024px) {
  .products-list {
    grid-template-columns: repeat(2, 1fr);
  }

  .cert-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .values-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .process-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .qf-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .clients-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

@media (max-width: 768px) {
  nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    flex-direction: column;
    padding: 20px;
    border-bottom: 1px solid var(--border);
    gap: 16px;
  }

  .mobile-menu {
    display: flex;
  }

  .page-header h1 {
    font-size: 1.75rem;
  }

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

  .mission-vision {
    grid-template-columns: 1fr;
  }

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

  .products-list {
    grid-template-columns: 1fr;
  }

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

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

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

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

  .major-clients-grid {
    grid-template-columns: 1fr;
  }

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

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

  .form-row {
    grid-template-columns: 1fr;
  }

  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .cta h2 {
    font-size: 1.5rem;
  }
}