:root {
    --primary-color: #3498db;
    --secondary-color: #2ecc71;
    --accent-color: #e74c3c;
    --dark-color: #2c3e50;/*#2c3e50;*/
    --light-color: #ecf0f1;
    --text-color: #333333;
    --light-text: #ffffff;
    --gray-color: #111111;/*95a5a6*/
    --border-color: #e0e0e0;
    --gradient-primary: linear-gradient(135deg, #3498db, #2980b9);
    --gradient-secondary: linear-gradient(135deg, #2ecc71, #27ae60);
    --box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.section-header h2::after {
    content: '';
    position: absolute;
    width: 60px;
    height: 3px;
    background: var(--primary-color);
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
}

.section-header p {
    color: var(--gray-color);
    font-size: 1.1rem;
}


.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 30px;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    outline: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--light-text);
    box-shadow: 0 4px 15px rgba(52, 152, 219, 0.3);
}

.btn-primary:hover {
    box-shadow: 0 6px 20px rgba(52, 152, 219, 0.5);
    transform: translateY(-2px);
}

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

.btn-outline:hover {
    background: var(--primary-color);
    color: var(--light-text);
}

.btn-sm {
    padding: 8px 20px;
    font-size: 0.9rem;
}


.header {
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: #f9f9f9;
    transition: var(--transition);
}

.header.scrolled {
    padding: 15px 0;
    background-color: rgba(255, 255, 255, 0.98);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
}

.logo h1 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--dark-color);
}

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

.main-nav {
    display: flex;
    align-items: center;
    position: relative;
}

.nav-list {
    display: flex;
    align-items: center;
}

.nav-list li {
    margin-left: 30px;
}

.nav-list li a {
    font-weight: 500;
    color: var(--dark-color);
    position: relative;
    padding: 5px 0;
}

.nav-list li a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    bottom: 0;
    left: 0;
    transition: var(--transition);
}

.nav-list li a:hover::after,
.nav-list li a.active::after {
    width: 100%;
}

.btn-contact {
    background: var(--gradient-primary);
    color: var(--light-text) !important;
    padding: 10px 20px !important;
    border-radius: 30px;
}

.btn-contact:hover {
    box-shadow: 0 4px 15px rgba(52, 152, 219, 0.3);
    transform: translateY(-2px);
}

.menu-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--dark-color);
    background: none;
    border: none;
    padding: 10px;
    border-radius: 5px;
    transition: background-color 0.3s;
    min-width: 44px;
    min-height: 44px;
    align-items: center;
    justify-content: center;
}

.menu-toggle:hover {
    background-color: rgba(0, 0, 0, 0.1);
}

.menu-toggle:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}


.image-container {
    width: 90%;
    max-width: 500px;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--box-shadow);
    position: relative;
}

.image-container::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: rgba(52, 152, 219, 0.1);
    top: 0;
    left: 0;
    z-index: 1;
}

.hero-wave {
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    z-index: 2;
}

.features {
    padding: 100px 0;
    background-color: #fff;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature-card {
    background: #fff;
    padding: 40px 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--light-color);
    border-radius: 50%;
    color: var(--primary-color);
    font-size: 2rem;
    transition: var(--transition);
}

.feature-card:hover .feature-icon {
    background: var(--primary-color);
    color: var(--light-text);
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.feature-card p {
    color: var(--gray-color);
}


.innovations {
    padding: 100px 0;
    background-color: var(--light-color);
}

.innovations-showcase {
    display: flex;
    flex-direction: column;
    gap: 80px;
}

.innovation-item {
    display: flex;
    align-items: center;
    gap: 50px;
}

.innovation-item.reverse {
    flex-direction: row-reverse;
}

.innovation-image {
    flex: 1;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--box-shadow);
}

.innovation-content {
    flex: 1;
}

.innovation-content h3 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: var(--dark-color);
}

.innovation-content p {
    margin-bottom: 25px;
    color: var(--gray-color);
    font-size: 1.1rem;
}


.products {
    padding: 100px 0;
    background-color: #fff;
    position: relative;
}

.product-slider {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 30px;
}

.product-card {
    background: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.product-image {
    height: 200px;
    overflow: hidden;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.product-card:hover .product-image img {
    transform: scale(1.1);
}

.product-details {
    padding: 20px;
    text-align: center;
}

.product-details h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
}

.product-details p {
    color: var(--gray-color);
    margin-bottom: 15px;
    font-size: 0.95rem;
}

.product-nav {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.product-nav button {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: #fff;
    border: none;
    box-shadow: var(--box-shadow);
    cursor: pointer;
    color: var(--primary-color);
    font-size: 1.2rem;
    transition: var(--transition);
}

.product-nav button:hover {
    background: var(--primary-color);
    color: var(--light-text);
}


.news {
    padding: 100px 0;
    background-color: var(--light-color);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.news-card {
    background: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.news-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.news-image {
    height: 200px;
    position: relative;
    overflow: hidden;
}

.news-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.news-card:hover .news-image img {
    transform: scale(1.1);
}

.news-date {
    position: absolute;
    top: 15px;
    left: 15px;
    background: var(--primary-color);
    color: var(--light-text);
    padding: 10px;
    border-radius: 5px;
    text-align: center;
    line-height: 1;
}

.news-date .day {
    font-size: 1.5rem;
    font-weight: 700;
    display: block;
    margin-bottom: 5px;
}

.news-date .month {
    font-size: 0.8rem;
    text-transform: uppercase;
}

.news-content {
    padding: 25px;
}

.news-content h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    transition: var(--transition);
}

.news-content p {
    color: var(--gray-color);
    margin-bottom: 20px;
}

.read-more {
    color: var(--primary-color);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
}

.read-more i {
    margin-left: 5px;
    transition: var(--transition);
}

.read-more:hover i {
    transform: translateX(5px);
}

.news-more {
    text-align: center;
}


.stats {
    padding: 80px 0;
    background: var(--gradient-primary);
    color: var(--light-text);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    text-align: center;
}

.stat-item {
    padding: 20px;
}

.stat-icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.stat-title {
    font-size: 1.2rem;
    opacity: 0.8;
}


.about {
    padding: 100px 0;
    background-color: #fff;
}

.about-content {
    display: flex;
    align-items: center;
    gap: 50px;
}

.about-image {
    flex: 1;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--box-shadow);
}

.about-text {
    flex: 1;
}

.about-text h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: var(--dark-color);
}

.about-text p {
    margin-bottom: 25px;
    color: var(--gray-color);
    font-size: 1.1rem;
}

.value-list {
    margin-top: 20px;
}

.value-list li {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
}

.value-list li i {
    color: var(--secondary-color);
    margin-right: 10px;
}


.team {
    padding: 100px 0;
    background-color: var(--light-color);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.team-member {
    background: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.team-member:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.member-image {
    height: 250px;
    overflow: hidden;
}

.member-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.team-member:hover .member-image img {
    transform: scale(1.1);
}

.member-info {
    padding: 25px;
    text-align: center;
}

.member-info h3 {
    font-size: 1.3rem;
    margin-bottom: 5px;
}

.position {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 15px;
}

.bio {
    color: var(--gray-color);
    margin-bottom: 20px;
    font-size: 0.95rem;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 15px;
}

.social-links a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--light-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--dark-color);
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--primary-color);
    color: var(--light-text);
}


.contact {
    padding: 100px 0;
    background-color: #fff;
}

.contact-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 50px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.info-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
}

.info-icon {
    width: 50px;
    height: 50px;
    background: var(--light-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 1.2rem;
}

.info-text h3 {
    font-size: 1.2rem;
    margin-bottom: 5px;
}

.info-text p {
    color: var(--gray-color);
}

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

.social-media h3 {
    font-size: 1.2rem;
    margin-bottom: 15px;
}

.social-icons {
    display: flex;
    gap: 15px;
}

.social-icons a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--light-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--dark-color);
    transition: var(--transition);
}

.social-icons a:hover {
    background: var(--primary-color);
    color: var(--light-text);
}

.contact-form {
    background: #fff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: var(--box-shadow);
}

.form-group {
    margin-bottom: 20px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.2);
}

.form-group textarea {
    height: 150px;
    resize: none;
}


.footer {
    background-color: var(--dark-color);
    color: var(--light-text);
    padding: 80px 0 0;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 3fr;
    gap: 50px;
    padding-bottom: 50px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo h2 {
    font-size: 2rem;
    margin-bottom: 20px;
}

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

.footer-logo p {
    opacity: 0.7;
    margin-bottom: 20px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 30px;
    width: 100%;
}

.footer-column h3 {
    font-size: 1.2rem;
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 10px;
}

.footer-column h3::after {
    content: '';
    position: absolute;
    width: 40px;
    height: 2px;
    background: var(--primary-color);
    bottom: 0;
    left: 0;
}

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

.footer-column ul li a {
    opacity: 0.7;
    transition: var(--transition);
}

.footer-column ul li a:hover {
    opacity: 1;
    color: var(--primary-color);
    padding-left: 5px;
}

.footer-bottom {
    padding: 25px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.copyright p {
    opacity: 0.7;
}

.footer-bottom-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    width: 50%;
    text-align: center;
}

.bottom-link-column {
    display: flex;
    justify-content: center;
}

.footer-bottom-links a {
    opacity: 0.7;
    transition: var(--transition);
}

.footer-bottom-links a:hover {
    opacity: 1;
    color: var(--primary-color);
}


.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: var(--light-text);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
}

.back-to-top.active {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--dark-color);
    transform: translateY(-5px);
}


@media (max-width: 1024px) {
    .hero-content h2 {
        font-size: 3rem;
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .header .container {
        padding: 15px 20px;
        justify-content: space-between; 
    }
    
    .main-nav {
        position: relative;
        width: auto;
        margin-left: auto; 
        display: flex;
        align-items: center;
    }
    
    .menu-toggle {
        display: flex;
        z-index: 1001;
        order: 2; 
    }
    
    .nav-list {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        width: 100vw;
        margin-left: calc(-50vw + 50%);
        margin-right: calc(-50vw + 50%);
        background: #fff;
        flex-direction: column;
        align-items: flex-start;
        padding: 20px;
        box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
        opacity: 0;
        visibility: hidden;
        transform: translateY(-10px);
        transition: var(--transition);
        z-index: 1000;
        border-radius: 0 0 10px 10px;
        margin-top: 0;
        min-width: 200px; 
        order: 1; 
    }
    
    .nav-list.active {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }
    
    .nav-list li {
        margin: 15px 0;
        width: 100%;
    }
    
    .nav-list li a {
        display: block;
        padding: 10px 0;
        width: 100%;
        font-size: 16px; 
    }
    
    .btn-contact {
        display: inline-block;
        margin-top: 10px;
        width: auto;
    }
    
    .hero .container {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-content {
        margin-bottom: 50px;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-image {
        justify-content: center;
    }
    
    .innovation-item,
    .innovation-item.reverse {
        flex-direction: column;
        text-align: center;
    }
    
    .innovation-image {
        margin-bottom: 30px;
    }
    
    .about-content {
        flex-direction: column;
        text-align: center;
    }
    
    .about-image {
        margin-bottom: 30px;
    }
    
    .value-list li {
        justify-content: center;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
}

@media (max-width: 576px) {
    .section-header h2 {
        font-size: 2rem;
    }
    
    .hero-content h2 {
        font-size: 2.5rem;
    }
    
    .feature-card {
        padding: 30px 20px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .product-slider {
        grid-template-columns: 1fr;
    }
    
    .news-grid {
        grid-template-columns: 1fr;
    }
    
    .team-grid {
        grid-template-columns: 1fr;
    }
}