:root {
     --primary-color: #7B24FF;
     /* Фиолетовый */
     --secondary-color: #24A2FF;
     /* Синий */
     --accent-color: #00FF00;
     /* Неоновый зеленый */
     --dark-bg: #1a1a2e;
     --light-text: #e0e0e0;
     --card-bg: #2a2a4e;
     --button-hover: #9b5afc;
 }

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

 html {
     scroll-behavior: smooth;
 }

 body {
     font-family: 'Roboto', sans-serif;
     background-color: var(--dark-bg);
     color: var(--light-text);
     line-height: 1.6;
     overflow-x: hidden;
 }

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

 a:hover {
     color: var(--secondary-color);
 }

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

 header {
     background-color: rgba(0, 0, 0, 0.7);
     padding: 15px 0;
     position: fixed;
     width: 100%;
     top: 0;
     z-index: 1000;
     backdrop-filter: blur(5px);
     box-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
 }

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

 .logo {
     font-family: 'Orbitron', sans-serif;
     font-size: 2em;
     color: var(--accent-color);
     text-transform: uppercase;
     letter-spacing: 2px;
     font-weight: bold;
 }

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

 nav ul {
     list-style: none;
     display: flex;
 }

 nav ul li {
     margin-left: 30px;
 }

 nav ul li a {
     color: var(--light-text);
     font-weight: bold;
     font-size: 1.1em;
     position: relative;
     padding-bottom: 5px;
 }

 nav ul li a::after {
     content: '';
     position: absolute;
     width: 0;
     height: 3px;
     background-color: var(--accent-color);
     bottom: 0;
     left: 0;
     transition: width 0.3s ease;
 }

 nav ul li a:hover::after {
     width: 100%;
 }

 .button {
     display: inline-block;
     background-color: var(--primary-color);
     color: var(--light-text);
     padding: 12px 25px;
     border-radius: 5px;
     text-transform: uppercase;
     font-weight: bold;
     transition: background-color 0.3s ease, transform 0.2s ease;
     border: none;
     cursor: pointer;
 }

 .button:hover {
     background-color: var(--button-hover);
     transform: translateY(-3px);
     box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
 }

 /* Hero Section */
 .hero {
     position: relative;
     height: 100vh;
     display: flex;
     justify-content: center;
     align-items: center;
     text-align: center;
     color: var(--light-text);
     overflow: hidden;
     background: url('../img/hero.png') no-repeat center center/cover;
     /* Заглушка баннера */
     padding-top: 80px;
     /* Отступ для фиксированного хедера */
 }

 .hero::before {
     content: '';
     position: absolute;
     top: 0;
     left: 0;
     width: 100%;
     height: 100%;
     background: rgba(0, 0, 0, 0.6);
 }

 .hero-content {
     position: relative;
     z-index: 1;
     max-width: 800px;
     opacity: 0;
     transform: translateY(20px);
     animation: fadeInSlideUp 1s forwards ease-out 0.5s;
 }

 .hero h1 {
     font-family: 'Orbitron', sans-serif;
     font-size: 4.5em;
     margin-bottom: 20px;
     line-height: 1.1;
     color: var(--accent-color);
     text-shadow: 0 0 15px rgba(0, 255, 0, 0.7);
 }

 .hero p {
     font-size: 1.6em;
     margin-bottom: 40px;
     color: var(--light-text);
     text-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
 }

 @keyframes fadeInSlideUp {
     from {
         opacity: 0;
         transform: translateY(20px);
     }

     to {
         opacity: 1;
         transform: translateY(0);
     }
 }

 /* General Section Styling */
 section {
     padding: 80px 0;
     position: relative;
     z-index: 2;
 }

 section:nth-of-type(even) {
     background-color: var(--card-bg);
 }

 h2 {
     font-family: 'Orbitron', sans-serif;
     font-size: 3em;
     text-align: center;
     margin-bottom: 60px;
     color: var(--secondary-color);
     position: relative;
     display: inline-block;
     width: 100%;
 }

 h2::after {
     content: '';
     display: block;
     width: 80px;
     height: 4px;
     background-color: var(--accent-color);
     margin: 15px auto 0;
     border-radius: 2px;
 }

 /* About Us Section */
 .about-us-content {
     display: flex;
     align-items: center;
     gap: 40px;
     flex-wrap: wrap;
 }

 .about-us-text {
     flex: 2;
     min-width: 300px;
 }

 .about-us-text p {
     font-size: 1.1em;
     margin-bottom: 20px;
 }

 .about-us-image {
     flex: 1;
     min-width: 300px;
     text-align: center;
 }

 .about-us-image img {
     max-width: 100%;
     border-radius: 15px;
     box-shadow: 0 10px 20px rgba(0, 0, 0, 0.4);
     transition: transform 0.3s ease;
 }

 .about-us-image img:hover {
     transform: scale(1.03);
 }

 /* Catalog Section */
 .catalog-grid {
     display: grid;
     grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
     gap: 30px;
 }

 .product-card {
     background-color: var(--dark-bg);
     border-radius: 10px;
     overflow: hidden;
     box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
     transition: transform 0.3s ease, box-shadow 0.3s ease;
     text-align: center;
     padding-bottom: 20px;
     border: 1px solid var(--card-bg);
 }

 .product-card:hover {
     transform: translateY(-10px);
     box-shadow: 0 15px 30px rgba(0, 0, 0, 0.5);
     border-color: var(--accent-color);
 }

 .product-card img {
     width: 100%;
     height: 250px;
     object-fit: cover;
     border-bottom: 1px solid var(--card-bg);
     transition: transform 0.5s ease;
 }

 .product-card:hover img {
     transform: scale(1.05);
 }

 .product-card h3 {
     font-size: 1.5em;
     margin: 15px 0 10px;
     color: var(--primary-color);
     font-family: 'Orbitron', sans-serif;
 }

 .product-card .price {
     font-size: 1.3em;
     color: var(--accent-color);
     font-weight: bold;
     margin-bottom: 15px;
 }

 .product-card .button {
     padding: 10px 20px;
     font-size: 1em;
 }

 /* Advantages Section */
 .advantages-grid {
     display: grid;
     grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
     gap: 30px;
     text-align: center;
 }

 .advantage-item {
     background-color: var(--card-bg);
     padding: 30px;
     border-radius: 10px;
     box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
     transition: transform 0.3s ease, background-color 0.3s ease;
     border: 1px solid transparent;
 }

 .advantage-item:hover {
     transform: translateY(-10px);
     background-color: #35355a;
     border-color: var(--secondary-color);
 }

 .advantage-item i {
     font-size: 3.5em;
     color: var(--accent-color);
     margin-bottom: 20px;
     text-shadow: 0 0 10px rgba(0, 255, 0, 0.5);
 }

 .advantage-item h3 {
     font-size: 1.6em;
     color: var(--light-text);
 }

 /* Reviews Section */
 .reviews-grid {
     display: grid;
     grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
     gap: 30px;
 }

 .review-card {
     background-color: var(--card-bg);
     padding: 30px;
     border-radius: 10px;
     box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
     display: flex;
     flex-direction: column;
     justify-content: space-between;
     transition: transform 0.3s ease, border-color 0.3s ease;
     border: 1px solid transparent;
 }

 .review-card:hover {
     transform: scale(1.02);
     border-color: var(--primary-color);
 }

 .review-card .quote {
     font-style: italic;
     margin-bottom: 20px;
     font-size: 1.1em;
     color: var(--light-text);
 }

 .reviewer-info {
     display: flex;
     align-items: center;
     margin-top: auto;
 }

 .reviewer-info img {
     width: 60px;
     height: 60px;
     border-radius: 50%;
     object-fit: cover;
     margin-right: 15px;
     border: 3px solid var(--accent-color);
     box-shadow: 0 0 10px rgba(0, 255, 0, 0.4);
 }

 .reviewer-info h4 {
     margin: 0;
     font-size: 1.2em;
     color: var(--secondary-color);
 }

 /* Contacts Section */
 .contacts-content {
     display: flex;
     flex-wrap: wrap;
     gap: 40px;
     justify-content: center;
 }

 .contact-info {
     flex: 1;
     min-width: 300px;
     background-color: var(--card-bg);
     padding: 30px;
     border-radius: 10px;
     box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
 }

 .contact-info p {
     margin-bottom: 15px;
     font-size: 1.1em;
     display: flex;
     align-items: center;
     word-break: break-word;
 }

 .contact-info p i {
     margin-right: 15px;
     color: var(--accent-color);
     font-size: 1.5em;
 }

 .contact-form {
     flex: 1;
     min-width: 300px;
     background-color: var(--card-bg);
     padding: 30px;
     border-radius: 10px;
     box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
 }

 .contact-form label {
     display: block;
     margin-bottom: 8px;
     font-weight: bold;
     color: var(--secondary-color);
 }

 .contact-form input[type="text"],
 .contact-form input[type="email"],
 .contact-form textarea {
     width: 100%;
     padding: 12px;
     margin-bottom: 20px;
     border: 1px solid #555;
     border-radius: 5px;
     background-color: var(--dark-bg);
     color: var(--light-text);
     font-size: 1em;
     transition: border-color 0.3s ease, box-shadow 0.3s ease;
 }

 .contact-form input[type="text"]:focus,
 .contact-form input[type="email"]:focus,
 .contact-form textarea:focus {
     border-color: var(--accent-color);
     box-shadow: 0 0 8px rgba(0, 255, 0, 0.5);
     outline: none;
 }

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

 .contact-form .button {
     width: 100%;
     padding: 15px;
     font-size: 1.1em;
 }

 .error-message {
     color: #ff6b6b;
     font-size: 0.9em;
     margin-top: -15px;
     margin-bottom: 10px;
     display: block;
 }

 /* Footer */
 footer {
     background-color: rgba(0, 0, 0, 0.7);
     padding: 40px 0;
     text-align: center;
     color: var(--light-text);
     backdrop-filter: blur(5px);
     box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.5);
 }

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

 .footer-contacts p {
     margin-bottom: 10px;
     font-size: 1em;
 }

 .social-icons {
     margin-top: 20px;
 }

 .social-icons a {
     color: var(--light-text);
     font-size: 1.8em;
     margin: 0 15px;
     transition: color 0.3s ease, transform 0.2s ease;
 }

 .social-icons a:hover {
     color: var(--accent-color);
     transform: scale(1.2);
 }

 /* Responsive Design */
 @media (max-width: 992px) {
     .hero h1 {
         font-size: 3.5em;
     }

     .hero p {
         font-size: 1.4em;
     }

     h2 {
         font-size: 2.5em;
     }

     .about-us-content,
     .contacts-content {
         flex-direction: column;
         align-items: center;
     }

     .about-us-image,
     .contact-info,
     .contact-form {
         width: 100%;
         max-width: 500px;
     }
 }

 @media (max-width: 768px) {
     nav ul {
         display: none;
         /* Hide navigation on small screens for simplicity */
     }

     .header-content {
         justify-content: center;
     }

     .logo {
         font-size: 1.8em;
     }

     .hero {
         padding-top: 120px;
     }

     .hero h1 {
         font-size: 2.8em;
     }

     .hero p {
         font-size: 1.2em;
     }

     h2 {
         font-size: 2em;
         margin-bottom: 40px;
     }

     .catalog-grid,
     .advantages-grid,
     .reviews-grid {
         grid-template-columns: 1fr;
     }

     .product-card,
     .advantage-item,
     .review-card {
         margin: 0 auto;
         max-width: 350px;
     }

     .contact-info,
     .contact-form {
         padding: 20px;
     }
 }

 @media (max-width: 480px) {
     .hero h1 {
         font-size: 2em;
     }

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

     .button {
         padding: 10px 20px;
         font-size: 0.9em;
     }

     .logo {
         font-size: 1.5em;
     }
 }

 .policy-content {
     padding: 60px 0;
 }

 .policy-content h1 {
     font-size: 3.5em;
     color: var(--secondary-color);
     text-align: center;
     margin-bottom: 40px;
     text-shadow: 0 0 10px rgba(0, 191, 255, 0.5);
 }

 .policy-content h2 {
     font-size: 2em;
     color: var(--accent-color);
     margin-top: 40px;
     margin-bottom: 20px;
     border-bottom: 2px solid var(--primary-color);
     padding-bottom: 10px;
 }

 .policy-content p {
     margin-bottom: 15px;
     text-align: justify;
 }

 .policy-content ul {
     list-style: disc;
     margin-left: 25px;
     margin-bottom: 20px;
 }

 .policy-content ul li {
     margin-bottom: 10px;
 }

 .policy-content strong {
     color: var(--secondary-color);
 }

 @media (max-width: 768px) {
     .policy-content h1 {
         font-size: 2.5em;
     }

     .policy-content h2 {
         font-size: 1.5em;
     }

     .policy-content {
         padding: 30px 0;
     }

     .container {
         padding: 10px;
     }
 }