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

:root {
    --primary-color: #0052ff;
    --secondary-color: #00d4aa;
    --dark-bg: #0a0a0f;
    --card-bg: #1a1a2e;
    --text-light: #ffffff;
    --text-gray: #a0a0a0;
    --gradient-primary: linear-gradient(135deg, #0052ff 0%, #00d4aa 100%);
    --gradient-dark: linear-gradient(180deg, #0a0a0f 0%, #1a1a2e 100%);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--dark-bg);
    color: var(--text-light);
    line-height: 1.6;
    overflow-x: hidden;
}

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

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(0, 82, 255, 0.2);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.logo {
    font-size: 24px;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-menu li a {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    padding: 8px 15px;
    border-radius: 20px;
}

.nav-menu li a:hover {
    background: rgba(0, 82, 255, 0.3);
    color: var(--secondary-color);
}

.nav-toggle {
    display: none;
    font-size: 24px;
    cursor: pointer;
}

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--gradient-dark);
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 50%, rgba(0, 82, 255, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(0, 212, 170, 0.2) 0%, transparent 50%);
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 20px;
    color: var(--text-gray);
    margin-bottom: 40px;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-bottom: 60px;
}

.btn {
    padding: 15px 40px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
}

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

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 82, 255, 0.4);
}

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

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

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 36px;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    color: var(--text-gray);
    font-size: 14px;
}

.section-title {
    font-size: 36px;
    text-align: center;
    margin-bottom: 20px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-desc {
    text-align: center;
    color: var(--text-gray);
    font-size: 18px;
    margin-bottom: 60px;
}

.features {
    padding: 100px 0;
    background: var(--dark-bg);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.feature-card {
    background: var(--card-bg);
    padding: 40px 30px;
    border-radius: 20px;
    border: 1px solid rgba(0, 82, 255, 0.2);
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: 0 20px 40px rgba(0, 82, 255, 0.2);
}

.feature-icon {
    font-size: 60px;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: var(--text-light);
}

.feature-card p {
    color: var(--text-gray);
    line-height: 1.8;
}

.products {
    padding: 100px 0;
    background: var(--gradient-dark);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.product-card {
    background: var(--card-bg);
    padding: 40px 30px;
    border-radius: 20px;
    border: 1px solid rgba(0, 82, 255, 0.2);
    transition: all 0.3s ease;
}

.product-card:hover {
    transform: translateY(-10px);
    border-color: var(--secondary-color);
    box-shadow: 0 20px 40px rgba(0, 212, 170, 0.2);
}

.product-icon {
    font-size: 60px;
    margin-bottom: 20px;
}

.product-card h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: var(--text-light);
}

.product-card p {
    color: var(--text-gray);
    line-height: 1.8;
    margin-bottom: 20px;
}

.product-features {
    list-style: none;
    margin-bottom: 25px;
}

.product-features li {
    padding: 8px 0;
    color: var(--text-gray);
    font-size: 14px;
}

.btn-product {
    display: inline-block;
    padding: 12px 30px;
    background: var(--gradient-primary);
    color: var(--text-light);
    text-decoration: none;
    border-radius: 25px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-product:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 82, 255, 0.4);
}

.news {
    padding: 100px 0;
    background: var(--dark-bg);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.news-card {
    background: var(--card-bg);
    padding: 30px;
    border-radius: 20px;
    border: 1px solid rgba(0, 82, 255, 0.2);
    transition: all 0.3s ease;
}

.news-card:hover {
    border-color: var(--primary-color);
    transform: translateX(10px);
}

.news-date {
    color: var(--secondary-color);
    font-size: 14px;
    margin-bottom: 15px;
}

.news-card h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: var(--text-light);
    line-height: 1.4;
}

.news-card p {
    color: var(--text-gray);
    line-height: 1.8;
    margin-bottom: 15px;
}

.news-tags {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.news-tags span {
    background: rgba(0, 82, 255, 0.2);
    padding: 5px 15px;
    border-radius: 15px;
    font-size: 12px;
    color: var(--secondary-color);
}

.about {
    padding: 100px 0;
    background: var(--gradient-dark);
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
}

.about-text h3 {
    font-size: 24px;
    margin: 30px 0 15px;
    color: var(--secondary-color);
}

.about-text p {
    color: var(--text-gray);
    line-height: 1.8;
    margin-bottom: 15px;
}

.about-text ul {
    list-style: none;
    margin: 20px 0;
}

.about-text ul li {
    padding: 10px 0;
    color: var(--text-gray);
    line-height: 1.6;
}

.timeline {
    margin: 30px 0;
}

.timeline-item {
    display: flex;
    padding: 15px 0;
    border-left: 2px solid var(--primary-color);
    padding-left: 20px;
    position: relative;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -8px;
    top: 20px;
    width: 14px;
    height: 14px;
    background: var(--primary-color);
    border-radius: 50%;
}

.timeline-date {
    font-weight: 700;
    color: var(--secondary-color);
    min-width: 100px;
}

.timeline-event {
    color: var(--text-gray);
}

.about-sidebar {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.sidebar-card {
    background: var(--card-bg);
    padding: 30px;
    border-radius: 20px;
    border: 1px solid rgba(0, 82, 255, 0.2);
}

.sidebar-card h4 {
    font-size: 18px;
    margin-bottom: 15px;
    color: var(--secondary-color);
}

.sidebar-card p {
    color: var(--text-gray);
    padding: 5px 0;
    font-size: 14px;
}

.qrcode {
    font-size: 80px;
    text-align: center;
    margin-top: 15px;
}

.contact {
    padding: 100px 0;
    background: var(--dark-bg);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

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

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    background: var(--card-bg);
    padding: 25px;
    border-radius: 15px;
    border: 1px solid rgba(0, 82, 255, 0.2);
}

.contact-icon {
    font-size: 40px;
}

.contact-text h4 {
    font-size: 18px;
    margin-bottom: 10px;
    color: var(--secondary-color);
}

.contact-text p {
    color: var(--text-gray);
    font-size: 14px;
}

.contact-form {
    background: var(--card-bg);
    padding: 40px;
    border-radius: 20px;
    border: 1px solid rgba(0, 82, 255, 0.2);
}

.contact-form h3 {
    font-size: 24px;
    margin-bottom: 30px;
    color: var(--secondary-color);
}

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

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 15px;
    background: var(--dark-bg);
    border: 1px solid rgba(0, 82, 255, 0.3);
    border-radius: 10px;
    color: var(--text-light);
    font-size: 14px;
    transition: border-color 0.3s ease;
}

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

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

.btn-submit {
    width: 100%;
    padding: 15px 40px;
    background: var(--gradient-primary);
    color: var(--text-light);
    border: none;
    border-radius: 30px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-submit:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 82, 255, 0.4);
}

.faq {
    padding: 100px 0;
    background: var(--gradient-dark);
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.faq-item {
    background: var(--card-bg);
    padding: 30px;
    border-radius: 15px;
    border: 1px solid rgba(0, 82, 255, 0.2);
    transition: all 0.3s ease;
}

.faq-item:hover {
    border-color: var(--primary-color);
}

.faq-item h3 {
    font-size: 18px;
    margin-bottom: 15px;
    color: var(--secondary-color);
}

.faq-item p {
    color: var(--text-gray);
    line-height: 1.8;
}

.footer {
    background: var(--dark-bg);
    padding: 60px 0 30px;
    border-top: 1px solid rgba(0, 82, 255, 0.2);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h4 {
    font-size: 18px;
    margin-bottom: 20px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-section p {
    color: var(--text-gray);
    line-height: 1.8;
    font-size: 14px;
}

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

.footer-section ul li {
    padding: 8px 0;
}

.footer-section ul li a {
    color: var(--text-gray);
    text-decoration: none;
    transition: color 0.3s ease;
    font-size: 14px;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(0, 82, 255, 0.1);
}

.footer-bottom p {
    color: var(--text-gray);
    font-size: 12px;
    padding: 5px 0;
}

@media (max-width: 992px) {
    .features-grid,
    .products-grid,
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .hero h1 {
        font-size: 36px;
    }

    .hero-stats {
        gap: 30px;
    }

    .stat-number {
        font-size: 28px;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(10, 10, 15, 0.98);
        flex-direction: column;
        padding: 20px;
        gap: 10px;
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-toggle {
        display: block;
    }

    .features-grid,
    .products-grid,
    .news-grid,
    .faq-grid {
        grid-template-columns: 1fr;
    }

    .hero h1 {
        font-size: 28px;
    }

    .hero-subtitle {
        font-size: 16px;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }

    .section-title {
        font-size: 28px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}