.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  z-index: 1000;
  transition: var(--transition);
}

.navbar {
  padding: 16px 0;
}

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

.navbar-logo a {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
}

.navbar-logo img {
  max-height: 60px;
  width: auto;
}

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.hamburger {
  width: 25px;
  height: 3px;
  background: var(--text-dark);
  margin: 3px 0;
  transition: var(--transition);
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 32px;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--text-dark);
  font-weight: 500;
  transition: var(--transition);
}

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

.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  color: white;
  text-align: center;
  padding-top: 80px;
}

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

.hero-title {
  font-size: 3.5rem;
  margin-bottom: 24px;
  animation: fadeInUp 0.8s ease-out;
}

.hero-subtitle {
  font-size: 1.5rem;
  margin-bottom: 32px;
  opacity: 0.9;
  animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease-out 0.4s both;
}

.hero-buttons .btn-outline {
  background: rgba(255, 255, 255, 0.1);
  border-color: white;
  color: white;
}

.hero-buttons .btn-outline:hover {
  background: white;
  color: var(--primary-color);
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.about-section {
  background: var(--bg-white);
}

.about-content {
  max-width: 900px;
  margin: 0 auto;
}

.about-text p {
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--text-light);
  margin-bottom: 20px;
}

.services-section {
  background: var(--bg-light);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
}

.service-card {
  background: white;
  padding: 40px;
  border-radius: 12px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
  transition: var(--transition);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
}

.service-card h3 {
  color: var(--primary-color);
  margin-bottom: 16px;
}

.service-card p {
  color: var(--text-light);
  line-height: 1.6;
}

.products-section {
  background: var(--bg-white);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
}

.product-card {
  background: white;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
  transition: var(--transition);
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
}

.product-image img {
  width: 100%;
  height: 250px;
  object-fit: cover;
}

.product-content {
  padding: 24px;
}

.product-content h3 {
  margin-bottom: 12px;
  color: var(--text-dark);
}

.product-content p {
  color: var(--text-light);
  margin-bottom: 16px;
}

.contact-section {
  background: var(--bg-light);
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 48px;
  max-width: 1000px;
  margin: 0 auto;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.contact-item h3 {
  color: var(--primary-color);
  margin-bottom: 8px;
  font-size: 1.25rem;
}

.contact-item p {
  color: var(--text-light);
  line-height: 1.6;
}

.contact-form {
  background: white;
  padding: 40px;
  border-radius: 12px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.form-group {
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  color: var(--text-dark);
  font-weight: 500;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid #e5e7eb;
  border-radius: 8px;
  font-size: 1rem;
  transition: var(--transition);
}

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

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.site-footer {
  background: var(--text-dark);
  color: white;
  padding: 60px 0 20px;
}

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

.footer-contact h3,
.footer-social h3 {
  margin-bottom: 20px;
  color: white;
}

.footer-contact p {
  line-height: 1.8;
  opacity: 0.9;
}

.social-links {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.social-link {
  padding: 8px 16px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  transition: var(--transition);
}

.social-link:hover {
  background: var(--primary-color);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-bottom p {
  margin: 0;
  opacity: 0.8;
}

.footer-bottom a {
  color: var(--primary-color);
}

.footer-bottom a:hover {
  text-decoration: underline;
}

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

  .navbar-menu {
    position: fixed;
    top: 80px;
    left: -100%;
    width: 100%;
    background: white;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
  }

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

  .nav-links {
    flex-direction: column;
    padding: 20px;
    gap: 16px;
  }

  .hero-title {
    font-size: 2.5rem;
  }

  .hero-subtitle {
    font-size: 1.25rem;
  }

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

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2rem;
  }

  .hero-buttons {
    flex-direction: column;
  }

  .hero-buttons .btn {
    width: 100%;
  }

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

  .contact-form {
    padding: 24px;
  }
}