body {
    justify-content: center;
    align-items: center;
}
 
 header{
    font-family: Arial, sans-serif;
    border-bottom: 10px solid #ffffff;
}

header nav{
    display: flex;
    justify-content: space-between;
    padding: 8px 10px;
    font-size: 14px;
}

.logo {
    font-size: 28px;
    font-weight: 700;
    background: linear-gradient(45deg, #00c4cc, #4a00e0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-decoration: none;
    display: inline-block;
    padding: 5px 10px;
    position: relative;
    animation: pulse 2s infinite alternate;
    transition: transform 0.3s ease, color 0.3s ease;
}

.logo:hover {
    transform: translateY(-3px);
    color: #00c4cc; 
}

@keyframes pulse {
    from {
        text-shadow: 0 0 0 rgba(0, 196, 204, 0.3);
    }
    to {
        text-shadow: 0 0 10px rgba(0, 196, 204, 0.7);
    }
}

.nav-links {
    display: flex;
    gap: 25px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.div-a {
    font-size: 16px;
    font-weight: 600;
    color: #1e40af;
    text-decoration: none;
    padding: 8px 15px;
    transition: all 0.4s ease;
    display: inline-block;
    position: relative;

}

.div-a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: #3b82f6;
    transform: scaleX(0);
    transform-origin: bottom right;
    transition: transform 0.3s ease;
}

.div-a:hover {
    color: #2563eb;
    text-shadow: 0 0 5px rgba(37, 99, 235, 0.5);
}

.div-a:hover::after {
    transform: scaleX(1);
    transform-origin: bottom left;
}

.div-a:active {
    transform: scale(0.95);
}

.header-bottom {
    display: flex;
    align-items: center;
    background: #406090; 
    padding: 10px 20px;
    gap: 15px;
}

header button.catalog-btn {
    position: relative; 
    z-index: 1; 
    overflow: hidden; 
    
    background: linear-gradient(90deg, #4c51bf, #a3bffa);
    border: none;
    padding: 12px 20px;
    font-weight: 600;
    cursor: pointer;
    border-radius: 8px;
    color: #ffffff;
    font-size: 16px;
    transition: all 0.4s ease;
    box-shadow: 0 4px 12px rgba(76, 81, 191, 0.3);
}

header button.catalog-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, #5a5fff, #b3c0ff);
    opacity: 0;
    z-index: -1;
    transition: opacity 0.4s ease; 
}

header button.catalog-btn:hover::before {
    opacity: 1; 
}

header button.catalog-btn:hover {
    transform: scale(1.08); 
    box-shadow: 0 6px 15px rgba(76, 81, 191, 0.5);
}

header button.catalog-btn:active {
    transform: scale(0.98);
    box-shadow: 0 2px 8px rgba(76, 81, 191, 0.2);
}

header input[type="text"].search-bar {
    flex-grow: 1;
    padding: 12px 15px;
    border-radius: 8px;
    border: 3px solid #a2a8af;
    font-size: 14px;
    transition: all 0.3s ease;
    outline: none;
    background: #f9fafb;
    color: #2d3748;
}

header input[type="text"].search-bar:focus {
    border-color: #2a2e8e; 
    background: #ffffff;
    box-shadow: 0 0 8px rgba(76, 81, 191, 0.2);
}

.user-menu {
    display: flex;
    gap: 15px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.lastdiv-a {
    display: inline-block;
    font-size: 14.3px;
    padding: 6px 20px;
    text-decoration: none;
    text-align: center;
    position: relative;
    transition: all 0.6s ease;
    background: transparent;
    letter-spacing: 0.4px;
}

.lastdiv-a i {
    display: block;
    font-size: 20px;
    color: #f97316;
    transition: color 0.4s ease, transform 0.4s ease;
}

.lastdiv-a span {
    padding-top: 8px;
    display: block;
    color: #f97316;
    transition: color 0.4s ease;
    text-shadow:
        -0.5px -0.5px 0 #3c3c3c,
         0.5px -0.5px 0 #3c3c3c,
        -0.5px  0.5px 0 #3c3c3c,
         0.5px  0.5px 0 #3c3c3c;
}

.lastdiv-a:hover {
    color: #ffffff;
}

.lastdiv-a:hover i {
    color: #ffee00;
    transform: scale(1.2); 
    transition: transform 0.5s ease; 
}

.lastdiv-a:hover span {
    color: #ffffff;
}

.lastdiv-a:hover::before {
    width: 150%;
    height: 150%;
}

.lastdiv-a:active {
    transform: scale(0.92);
}

.main-section {
    background: #efefef;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    max-width: 1400px;
    margin: 0 auto;
}

.content-container {
    display: flex;
    gap: 20px;
}

.menu-section {
    flex: 1;
    min-width: 250px;
    max-width: 300px;
}

.carousel-section {
    flex: 3;
    min-width: 600px;
}

ul.menu-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 5px;
}

li.menu-item {
    width: 100%;
}

li.menu-item a.menu-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 15px;
    text-decoration: none;
    color: #4a5568;
    font-size: 14px;
    font-family: 'Arial', sans-serif;
    border-radius: 5px;
    transition: all 0.3s ease;
    background: #ffffff;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

li.menu-item a.menu-link:hover {
    color: #2b6cb0;
    background: #edf2f7;
    transform: translateX(5px);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.15);
}

li.menu-item a.menu-link i {
    font-size: 18px;
    color: #2a5fba;
    transition: color 0.3s ease;
}

li.menu-item a.menu-link:hover i {
    color: #2b6cb0;
}

.carousel {
    position: relative;
    width: 100%;
    overflow: hidden;
    border-radius: 12px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.carousel-container {
    display: flex;
    transition: transform 0.5s ease-in-out;
}

.carousel-slide {
    min-width: 100%;
    box-sizing: border-box;
}

.carousel-slide img {
    width: 100%;
    display: block;
}

.prev, .next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    border: 2px solid #4a90e2; 
    background: transparent; 
    border-radius: 50%;
    color: #4a90e2; 
    font-size: 2rem;
    cursor: pointer;
    padding: 10px;
    transition: all 0.4s ease;
    z-index: 10;
}

.prev { left: 10px; }
.next { right: 10px; }

.prev:hover, .next:hover {
    transform: translateY(-50%) scale(1.2);
    border-color: #5a5fff; 
    color: #5a5fff;
    box-shadow: 0 5px 15px rgba(90, 95, 255, 0.4);
}

.prev:active, .next:active {
    transform: translateY(-50%) scale(0.9); 
    border-color: #2b6cb0; 
    color: #2b6cb0;
}






.products {
    background: #efefef;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    max-width: 1400px;
    margin: 0 auto;
}

.section-title {
    font-size: 28px;
    margin-bottom: 20px;
    color: #203c6b;
    font-weight: 700;
    letter-spacing: 1px;
    position: relative;
    display: flex;
    align-items: center;
    gap: 10px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0px;
    height: 3px;
    background: #4a90e2;
    transition: width 0.3s ease;
}

.section-title:hover::after {
    width: 100px;
}

.product-carousel {
    display: flex;
    gap: 20px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    padding-bottom: 10px;
    scroll-behavior: smooth;

}

.product-carousel::-webkit-scrollbar {
    width: 8px; 
    height: 8px; 
    background: transparent; 
}

.product-carousel::-webkit-scrollbar-track {
    background: #f7fafc;
    border-radius: 10px;
}

.product-carousel::-webkit-scrollbar-thumb {
    background: #4a90e2; 
    border-radius: 10px;
    transition: background 0.3s ease; 
}

.product-carousel::-webkit-scrollbar-thumb:hover {
    background: #5a5fff; 
}

.product-carousel::-webkit-scrollbar-button {
    display: none; 
}

.product-card {
    flex: 0 0 250px;
    background: #ffffff;
    border: 3px solid #7db0f3;
    border-radius: 10px;
    padding: 15px;
    text-align: center;
    scroll-snap-align: start;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
}

.card-icons {
    position: absolute;
    top: 10px;
    right: 10px;
    display: flex;
    gap: 5px;
}

.card-icons i {
    font-size: 14px;
    color: #a0aec0;
    transition: color 0.3s ease;
}

.card-icons i:hover {
    color: #4a90e2;
}

.product-card img {
    max-width: 100%;
    height: 150px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 10px;
}

.product-card h3 {
    font-size: 16px;
    color: #2d3748;
    margin: 10px 0;
}

.button-group {
    display: flex;
    gap: 5px;
    margin: 10px 0;
}

.review-btn, .info-btn {
    flex: 1;
    background: #f7fafc;
    border: 1px solid #e2e8f0;
    color: #4a5568;
    padding: 5px 10px;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
}

.review-btn i, .info-btn i {
    margin-right: 5px;
}

.review-btn:hover {
    background: #edf2f7;
    border-color: #4a90e2;
    color: #2b6cb0;
}

.info-btn:hover {
    background: #edf2f7;
    border-color: #4a90e2;
    color: #2b6cb0;
}

.price {
    color: #d90000;
    font-weight: bold;
    font-size: 18px;
    margin: 10px 0;
}

.product-card button.buy-btn {
    background: #0071e3;
    color: white;
    border: none;
    padding: 8px 15px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 100%;
}

.product-card button.buy-btn:hover {
    background: #005bb5;
    transform: scale(1.05);
    box-shadow: 0 2px 5px rgba(0, 113, 227, 0.3);
}

.product-card button.buy-btn:active {
    transform: scale(0.95);
    background: #003d7a;
}

.carousel-controls {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 10px;
}

.prev-btn, .next-btn {
    background: transparent;
    border: 2px solid #4a90e2;
    color: #4a90e2;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.4s ease;
}

.prev-btn:hover, .next-btn:hover {
    transform: scale(1.2);
    border-color: #5a5fff;
    color: #5a5fff;
    box-shadow: 0 5px 15px rgba(90, 95, 255, 0.4);
}

.prev-btn:active, .next-btn:active {
    transform: scale(0.9);
    border-color: #2b6cb0;
    color: #2b6cb0;
}





.advantages {
    text-align: center;
    padding: 50px 20px;
    background: linear-gradient(90deg, #7b96f8, #4237aa); 
    color: #fff;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1); 
}

.advantages h2 {
    font-size: 28px;
    margin-bottom: 30px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.adv-item {
    padding: 20px;
    background: rgba(255, 255, 255, 0.175); 
    border-radius: 10px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.adv-item:hover {
    transform: translateY(-5px); 
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.2);
}

.adv-item i {
    font-size: 40px; 
    color: #62c0fe; 
    margin-bottom: 15px;
    transition: color 0.3s ease;
}

.adv-item i:hover {
    color: #34377c; 
}

.adv-item h3 {
    font-size: 18px;
    margin-bottom: 8px;
    font-weight: 600;
}

.adv-item p {
    font-size: 14px;
    color: #e2e8f0; 
}




.about {
    background: #f3f4f6;
    padding: 60px 20px;
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

.about-box {
    max-width: 1100px;
    margin: auto;
    background: #ffffff;
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 6px 20px rgba(0,0,0,0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.about-box:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.12);
}

.about h2 {
    font-size: 28px;
    margin-bottom: 25px;
    color: #2c3563;
    line-height: 1.4;
}

.about h3 {
    margin-top: 30px;
    font-size: 22px;
    color: #4c51bf;
    position: relative;
    padding-left: 12px;
}

.about h3::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 5px;
    height: 70%;
    background: linear-gradient(180deg, #4c51bf, #a3bffa);
    border-radius: 3px;
}

.about p {
    font-size: 16px;
    line-height: 1.7;
    margin-bottom: 16px;
    color: #333;
}

.about ul, .about ol {
    margin: 15px 0 25px 20px;
    padding-left: 15px;
}

.about li {
    font-size: 16px;
    line-height: 1.6;
    margin-bottom: 10px;
    color: #444;
}

.about li b {
    color: #2c3563;
}

.about hr {
    border: none;
    height: 1px;
    background: #e0e0e0;
    margin: 30px 0;
}

.footer {
    background: #1c1c1c;
    color: #fff;
    padding: 50px 20px 20px;
    margin-top: 50px;
    box-shadow: 0 -4px 10px rgba(0, 0, 0, 0.2); 
}

.footer-container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    max-width: 1200px;
    margin: auto;
}

.footer h2, .footer h3 {
    margin-bottom: 15px;
    color: #fff;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-about p {
    font-size: 14px;
    line-height: 1.6;
    color: #bbb; 
}

.footer-links ul {
    list-style: none;
    padding: 0;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: #bbb;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #4a90e2; 
}

.footer-contacts p {
    font-size: 14px;
    margin: 5px 0;
    color: #bbb;
}

.footer-contacts b {
    color: #fff; 
}

.footer-social .social-icons {
    display: flex;
    gap: 10px;
}

.footer-social i {
    margin-right: 32px;
    font-size: 24px; 
    color: #bbb; 
    transition: color 0.3s ease, transform 0.3s ease;
}

.footer-social i:hover {
    color: #4a90e2; 
    transform: scale(1.2); 
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #333;
    margin-top: 30px;
    font-size: 14px;
    color: #aaa;
}