:root {
  --primary-color: #6f42c1;
  --primary-dark: #5a32a3;
  --accent-light: #f8f9ff;
  --text-dark: #1a1a1a;
  --text-gray: #555555;
  --border-color: #e0e0e0;
  --white: #ffffff;
}

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

html {
  scroll-behavior: smooth;
}

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

a {
  color: var(--primary-color);
  text-decoration: none;
  transition: color 0.3s ease;
}

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
}

header {
  background-color: var(--white);
  border-bottom: 1px solid var(--border-color);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
  text-transform: uppercase;
  letter-spacing: 1px;
}

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

nav {
  flex: 1;
}

nav ul {
  display: flex;
  list-style: none;
  gap: 2rem;
  flex-wrap: wrap;
}

nav a {
  font-size: 0.95rem;
  color: var(--text-dark);
  font-weight: 500;
  transition: color 0.3s ease;
}

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

.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-dark);
}

@media (max-width: 768px) {
  nav {
    display: none;
  }

  nav.active {
    display: block;
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    background-color: var(--white);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem;
    flex-direction: column;
  }

  nav ul {
    flex-direction: column;
    gap: 1rem;
  }

  .nav-toggle {
    display: block;
  }

  .header-content {
    gap: 1rem;
  }
}

.hero {
  background-color: var(--accent-light);
  padding: 4rem 0;
  text-align: center;
}

.hero h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
  color: var(--text-dark);
  line-height: 1.2;
}

.hero p {
  font-size: 1.25rem;
  color: var(--text-gray);
  margin-bottom: 2rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-image {
  margin-top: 2rem;
}

.hero-image img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
}

@media (max-width: 768px) {
  .hero h1 {
    font-size: 2rem;
  }

  .hero p {
    font-size: 1rem;
  }
}

section {
  padding: 4rem 0;
}

section h2 {
  font-size: 2.5rem;
  margin-bottom: 3rem;
  text-align: center;
  color: var(--text-dark);
}

section h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--text-dark);
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.info-card {
  padding: 2rem;
  background-color: var(--accent-light);
  border-radius: 8px;
  border-left: 4px solid var(--primary-color);
}

.info-card h3 {
  margin-top: 0;
}

.info-card p {
  color: var(--text-gray);
  line-height: 1.7;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 2rem;
}

.product-card {
  background-color: var(--white);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 16px rgba(111, 66, 193, 0.15);
}

.product-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  background-color: var(--accent-light);
}

.product-content {
  padding: 1.5rem;
}

.product-content h3 {
  margin-top: 0;
  margin-bottom: 0.5rem;
}

.product-content p {
  color: var(--text-gray);
  font-size: 0.95rem;
  margin-bottom: 1rem;
  line-height: 1.6;
}

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.review-card {
  padding: 2rem;
  background-color: var(--accent-light);
  border-radius: 8px;
  border-top: 3px solid var(--primary-color);
}

.review-card p {
  color: var(--text-gray);
  font-style: italic;
  margin-bottom: 1rem;
  line-height: 1.7;
}

.review-author {
  font-weight: 600;
  color: var(--text-dark);
}

.stars {
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.category-card {
  padding: 2rem;
  background: linear-gradient(135deg, var(--accent-light) 0%, var(--white) 100%);
  border: 2px solid var(--primary-color);
  border-radius: 8px;
  text-align: center;
  transition: all 0.3s ease;
}

.category-card:hover {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
  color: var(--white);
}

.category-card:hover h3 {
  color: var(--white);
}

.category-card:hover a {
  color: var(--white);
}

.category-card h3 {
  margin-top: 0;
}

.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  background-color: var(--primary-color);
  color: var(--white);
  border: none;
  border-radius: 4px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.3s ease;
  text-align: center;
  text-decoration: none;
}

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

.btn-secondary {
  background-color: transparent;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
}

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

.btn-block {
  display: block;
  width: 100%;
}

form {
  max-width: 600px;
  margin: 0 auto;
  background-color: var(--accent-light);
  padding: 2rem;
  border-radius: 8px;
}

.form-group {
  margin-bottom: 1.5rem;
}

label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--text-dark);
}

input[type="text"],
input[type="email"],
input[type="tel"],
textarea,
select {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  font-size: 1rem;
  font-family: inherit;
  transition: border-color 0.3s ease;
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="tel"]:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(111, 66, 193, 0.1);
}

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

.form-group-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.form-group-checkbox input[type="checkbox"] {
  width: auto;
  margin-top: 0.25rem;
  cursor: pointer;
}

.form-group-checkbox label {
  margin-bottom: 0;
  font-weight: normal;
  cursor: pointer;
}

.form-group-checkbox a {
  color: var(--primary-color);
}

footer {
  background-color: var(--text-dark);
  color: var(--white);
  padding: 3rem 0 1rem;
  margin-top: 4rem;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-section h4 {
  margin-bottom: 1rem;
  color: var(--primary-color);
  font-size: 1.1rem;
}

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

.footer-section ul li {
  margin-bottom: 0.75rem;
}

.footer-section ul a {
  color: #ccc;
}

.footer-section ul a:hover {
  color: var(--primary-color);
}

.footer-bottom {
  border-top: 1px solid #444;
  padding-top: 1.5rem;
  text-align: center;
  color: #999;
  font-size: 0.9rem;
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.blog-card {
  background-color: var(--white);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 16px rgba(111, 66, 193, 0.15);
}

.blog-content {
  padding: 2rem;
}

.blog-content h3 {
  margin-top: 0;
  margin-bottom: 0.75rem;
}

.blog-excerpt {
  color: var(--text-gray);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.blog-content a {
  font-weight: 600;
}

.breadcrumb {
  margin-bottom: 2rem;
  font-size: 0.9rem;
}

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

.breadcrumb span {
  color: var(--text-gray);
}

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

.page-content h1 {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
  color: var(--text-dark);
}

.page-content h2 {
  font-size: 1.75rem;
  margin-top: 2rem;
  margin-bottom: 1rem;
  color: var(--text-dark);
}

.page-content p {
  line-height: 1.8;
  color: var(--text-gray);
  margin-bottom: 1rem;
}

.page-content ul,
.page-content ol {
  margin-left: 2rem;
  margin-bottom: 1.5rem;
  line-height: 1.8;
}

.page-content li {
  margin-bottom: 0.75rem;
  color: var(--text-gray);
}

.success-message {
  background-color: #d4edda;
  color: #155724;
  padding: 1.5rem;
  border-radius: 4px;
  margin-bottom: 2rem;
  border-left: 4px solid #28a745;
}

.success-message h2 {
  margin-top: 0;
  margin-bottom: 0.5rem;
  color: #155724;
}

.cta-section {
  background-color: var(--accent-light);
  padding: 3rem;
  border-radius: 8px;
  text-align: center;
  margin-top: 3rem;
}

.cta-section h3 {
  margin-bottom: 1.5rem;
}

.featured-block {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
  color: var(--white);
  padding: 3rem 2rem;
  border-radius: 8px;
  text-align: center;
}

.featured-block h3 {
  color: var(--white);
  margin-bottom: 1rem;
}

.featured-block p {
  color: #f0f0f0;
  margin-bottom: 1.5rem;
}

.featured-image {
  width: 100%;
  height: 300px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 1.5rem;
}

@media (max-width: 768px) {
  section {
    padding: 2rem 0;
  }

  section h2 {
    font-size: 2rem;
  }

  .info-grid,
  .products-grid,
  .reviews-grid,
  .categories-grid,
  .blog-grid {
    gap: 1rem;
  }

  form {
    padding: 1.5rem;
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}