/* Основные стили */
:root {
    --primary-color: #00c8ff;
    --primary-dark: #0099cc;
    --secondary-color: #ff3860;
    --dark-color: #0a1523;
    --darker-color: #060f1b;
    --light-color: #f5f9fc;
    --gray-color: #8a94a6;
    --gray-dark: #535b69;
    --gradient-primary: linear-gradient(135deg, #00c8ff 0%, #0077ff 100%);
    --gradient-secondary: linear-gradient(135deg, #ff3860 0%, #ff7336 100%);
    --box-shadow: 0 10px 30px -5px rgba(0, 0, 0, 0.3);
    --box-shadow-light: 0 5px 15px -5px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
    --border-radius: 8px;
    --border-radius-lg: 16px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Montserrat', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--light-color);
    background-color: var(--dark-color);
    overflow-x: hidden;
}

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

ul {
    list-style: none;
}

img {
    max-width: 50%;
    height: auto;
}

.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 20px;
}

.page-wrapper {
    position: relative;
    overflow: hidden;
}

/* Кнопки */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: 15px;
    cursor: pointer;
    transition: var(--transition);
    outline: none;
    border: none;
    white-space: nowrap;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--light-color);
    box-shadow: 0 5px 15px rgba(0, 200, 255, 0.25);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 200, 255, 0.35);
}

.btn-outline {
    background: transparent;
    color: var(--light-color);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-outline:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-3px);
}

.btn-lg {
    padding: 14px 28px;
    font-size: 16px;
}

.btn-block {
    width: 100%;
}

/* Фоновые элементы */
.background-elements {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: -1;
    overflow: hidden;
}

.gradient-circle {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.15;
}

.circle-1 {
    width: 600px;
    height: 600px;
    top: -200px;
    right: -100px;
    background: var(--primary-color);
}

.circle-2 {
    width: 500px;
    height: 500px;
    bottom: 0;
    left: -200px;
    background: var(--secondary-color);
}

.circle-3 {
    width: 300px;
    height: 300px;
    top: 30%;
    right: 20%;
    background: var(--primary-dark);
}

/* Хедер */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 20px 0;
    z-index: 100;
    transition: var(--transition);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    background: rgba(10, 21, 35, 0.8);
}

.header.scrolled {
    padding: 15px 0;
    background: rgba(6, 15, 27, 0.95);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

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

.logo a {
    display: flex;
    align-items: center;
}

.logo img {
    height: 36px;
}

.navigation {
    margin-left: 50px;
}

.nav-list {
    display: flex;
    gap: 30px;
}

.nav-item a {
    font-weight: 500;
    color: rgba(255, 255, 255, 0.8);
    position: relative;
}

.nav-item a:hover,
.nav-item.active a {
    color: var(--light-color);
}

.nav-item.active a:after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--gradient-primary);
    border-radius: 1px;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

.language-selector {
    position: relative;
}

.language-btn {
    display: flex;
    align-items: center;
    gap: 5px;
    background: transparent;
    border: none;
    color: var(--light-color);
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    padding: 5px;
}

.language-btn i {
    font-size: 12px;
    transition: var(--transition);
}

.language-selector:hover .language-btn i {
    transform: rotate(180deg);
}

.language-dropdown {
    position: absolute;
    top: 120%;
    right: 0;
    width: 150px;
    background: var(--darker-color);
    border-radius: var(--border-radius);
    padding: 10px 0;
    box-shadow: var(--box-shadow);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.2s ease;
    z-index: 10;
}

.language-selector:hover .language-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.language-dropdown a {
    display: block;
    padding: 10px 15px;
    color: var(--light-color);
    transition: var(--transition);
}

.language-dropdown a:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--primary-color);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
}

.mobile-menu-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--light-color);
    border-radius: 1px;
    transition: var(--transition);
}

/* Главный баннер */
.hero-section {
    padding: 160px 0 100px;
    position: relative;
    overflow: hidden;
}

.hero-content {
    max-width: 550px;
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: 72px;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 20px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-shadow: 0 5px 25px rgba(0, 200, 255, 0.3);
}

.hero-subtitle {
    font-size: 20px;
    color: var(--gray-color);
    margin-bottom: 30px;
}

.hero-cta {
    display: flex;
    gap: 15px;
    margin-bottom: 40px;
}

.hero-stats {
    display: flex;
    gap: 30px;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 28px;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

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

.hero-image {
    position: absolute;
    top: 100px;
    right: -100px;
    width: 60%;
    max-width: 750px;
    z-index: 1;
    transform: perspective(1200px) rotateY(-10deg) rotateX(5deg);
    transition: var(--transition);
    filter: drop-shadow(0 30px 60px rgba(0, 0, 0, 0.25));
}

.hero-image:hover {
    transform: perspective(1200px) rotateY(-5deg) rotateX(2deg) translateY(-10px);
}

.floating-badge {
    position: absolute;
    top: 30px;
    right: 30px;
    padding: 10px 15px;
    background: var(--gradient-secondary);
    border-radius: var(--border-radius);
    color: white;
    font-size: 14px;
    display: flex;
    flex-direction: column;
    align-items: center;
    animation: float 2s ease-in-out infinite;
}

.floating-badge strong {
    font-size: 18px;
    font-weight: 700;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-8px);
    }
}

/* Общие стили для секций */
section {
    padding: 100px 0;
    position: relative;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.section-title {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 15px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.section-description {
    font-size: 18px;
    color: var(--gray-color);
}

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

.feature-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius-lg);
    padding: 30px;
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.05);
    box-shadow: var(--box-shadow);
    border-color: rgba(0, 200, 255, 0.2);
}

.feature-icon {
    font-size: 24px;
    margin-bottom: 20px;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--gradient-primary);
    color: var(--light-color);
    box-shadow: 0 10px 20px rgba(0, 200, 255, 0.2);
}

.feature-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 15px;
}

.feature-description {
    color: var(--gray-color);
    font-size: 15px;
}

/* Тарифы */
.pricing-tabs {
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--border-radius);
    padding: 5px;
    width: fit-content;
    margin: 0 auto 40px;
}

.pricing-tab {
    padding: 10px 20px;
    font-size: 15px;
    font-weight: 500;
    color: var(--gray-color);
    background: transparent;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    border-radius: var(--border-radius);
}

.pricing-tab.active {
    background: var(--gradient-primary);
    color: var(--light-color);
    box-shadow: 0 5px 15px rgba(0, 200, 255, 0.25);
}

.pricing-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.pricing-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius-lg);
    padding: 40px 30px;
    transition: var(--transition);
    position: relative;
}

.pricing-card:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.05);
    box-shadow: var(--box-shadow);
    border-color: rgba(0, 200, 255, 0.2);
}

.pricing-card.featured {
    border: 2px solid transparent;
    background: linear-gradient(var(--darker-color), var(--darker-color)) padding-box,
                var(--gradient-primary) border-box;
    transform: translateY(-10px) scale(1.05);
    box-shadow: var(--box-shadow);
}

.pricing-card-badge {
    position: absolute;
    top: -15px;
    right: 30px;
    background: var(--gradient-secondary);
    color: white;
    font-size: 14px;
    font-weight: 600;
    padding: 8px 16px;
    border-radius: var(--border-radius);
}

.pricing-card-header {
    text-align: center;
    margin-bottom: 30px;
}

.pricing-title {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 15px;
}

.pricing-price {
    font-size: 18px;
    color: var(--gray-color);
}

.pricing-price .price {
    font-size: 42px;
    font-weight: 700;
    color: var(--light-color);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.pricing-features {
    margin-bottom: 30px;
}

.pricing-features li {
    position: relative;
    padding-left: 30px;
    margin-bottom: 15px;
    color: var(--gray-color);
}

.pricing-features li:before {
    content: '\f00c';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    color: var(--primary-color);
    position: absolute;
    left: 0;
    top: 0;
}

/* Отзывы */
.testimonials-slider {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 60px;
}

.testimonial-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius-lg);
    padding: 30px;
    transition: var(--transition);
}

.testimonial-card:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.05);
    box-shadow: var(--box-shadow);
    border-color: rgba(0, 200, 255, 0.2);
}

.testimonial-content {
    margin-bottom: 20px;
    font-style: italic;
    color: var(--gray-color);
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 15px;
}

.author-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--primary-color);
}

.author-name {
    font-size: 16px;
    font-weight: 600;
}

.author-rating {
    color: var(--primary-color);
    font-size: 14px;
}

/* FAQ */
.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    margin-bottom: 20px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition);
}

.faq-item:hover {
    border-color: rgba(0, 200, 255, 0.2);
}

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px;
    cursor: pointer;
    background: rgba(255, 255, 255, 0.03);
}

.faq-question h3 {
    font-size: 18px;
    font-weight: 600;
}

.faq-toggle {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.faq-item.active .faq-toggle {
    transform: rotate(45deg);
}

.faq-answer {
    padding: 0 20px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 1000px;
    padding: 0 20px 20px;
}

.faq-answer p {
    color: var(--gray-color);
}

/* Футер */
.footer {
    background: var(--darker-color);
    padding: 80px 0 40px;
    position: relative;
    overflow: hidden;
}

.footer:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr 1.5fr;
    gap: 50px;
    margin-bottom: 60px;
}

.footer-logo img {
    height: 40px;
    margin-bottom: 20px;
}

.footer-tagline {
    color: var(--gray-color);
    font-size: 15px;
}

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

.footer-links-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--light-color);
}

.footer-links-list li {
    margin-bottom: 12px;
}

.footer-links-list a {
    color: var(--gray-color);
    font-size: 14px;
    transition: var(--transition);
}

.footer-links-list a:hover {
    color: var(--primary-color);
    padding-left: 5px;
}

.footer-newsletter-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--light-color);
}

.footer-newsletter-description {
    color: var(--gray-color);
    font-size: 14px;
    margin-bottom: 20px;
}

.newsletter-form {
    display: flex;
    gap: 10px;
}

.newsletter-form input {
    flex: 1;
    padding: 12px 15px;
    border-radius: var(--border-radius);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--light-color);
    font-size: 14px;
    outline: none;
    transition: var(--transition);
}

.newsletter-form input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(0, 200, 255, 0.1);
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.copyright {
    color: var(--gray-color);
    font-size: 14px;
}

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

.social-link {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    color: var(--gray-color);
    transition: var(--transition);
}

.social-link:hover {
    background: var(--gradient-primary);
    color: var(--light-color);
    transform: translateY(-3px);
}

/* Адаптивность */
@media (max-width: 1200px) {
    .hero-section {
        padding: 140px 0 80px;
    }
    
    .hero-title {
        font-size: 60px;
    }
    
    .hero-image {
        width: 55%;
        right: -70px;
    }
}

@media (max-width: 992px) {
    .container {
        padding: 0 30px;
    }
    
    .hero-section {
        padding: 120px 0 60px;
    }
    
    .hero-title {
        font-size: 48px;
    }
    
    .hero-subtitle {
        font-size: 18px;
    }
    
    .hero-image {
        position: relative;
        top: 0;
        right: 0;
        width: 100%;
        max-width: 500px;
        margin: 60px auto 0;
        transform: none !important;
    }
    
    .hero-content {
        max-width: 100%;
        text-align: center;
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .section-title {
        font-size: 36px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .header-content {
        position: relative;
    }
    
    .navigation {
        position: fixed;
        top: 80px;
        left: 0;
        width: 100%;
        height: 0;
        background: var(--darker-color);
        overflow: hidden;
        transition: height 0.3s ease;
        margin-left: 0;
        z-index: 9;
    }
    
    .navigation.active {
        height: calc(100vh - 80px);
    }
    
    .nav-list {
        flex-direction: column;
        gap: 0;
        padding: 20px 0;
    }
    
    .nav-item {
        width: 100%;
    }
    
    .nav-item a {
        display: block;
        padding: 15px 30px;
        font-size: 18px;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .header-actions {
        gap: 10px;
    }
    
    .header-actions .btn {
        padding: 8px 12px;
        font-size: 14px;
    }
    
    .hero-title {
        font-size: 36px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .hero-cta {
        flex-direction: column;
        gap: 10px;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }
    
    .section-title {
        font-size: 30px;
    }
    
    .pricing-cards {
        grid-template-columns: 1fr;
    }
    
    .pricing-card.featured {
        transform: translateY(-10px) scale(1);
    }
    
    .testimonials-slider {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 20px;
    }
    
    .hero-title {
        font-size: 32px;
    }
    
    .pricing-tabs {
        flex-direction: column;
        width: 100%;
    }
    
    .pricing-tab {
        width: 100%;
    }
    
    .newsletter-form {
        flex-direction: column;
    }
}