/* Переменные и базовые стили */
:root {
    --primary-color: #00d4ff;
    --secondary-color: #00ff94;
    --accent-color: #ff00d4;
    --bg-primary: #0a0e27;
    --bg-secondary: #151b38;
    --bg-card: #1a2332;
    --text-primary: #ffffff;
    --text-secondary: #b8c5d6;
    --border-color: #2a3a52;
    --shadow-color: rgba(0, 212, 255, 0.2);
    --gradient-1: linear-gradient(135deg, #00d4ff 0%, #00ff94 100%);
    --gradient-2: linear-gradient(135deg, #ff00d4 0%, #00d4ff 100%);
    --gradient-3: linear-gradient(135deg, #00ff94 0%, #ff00d4 100%);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Light theme */
.light-theme {
    --bg-primary: #f5f7fa;
    --bg-secondary: #ffffff;
    --bg-card: #ffffff;
    --text-primary: #1a2332;
    --text-secondary: #4a5568;
    --border-color: #e2e8f0;
    --shadow-color: rgba(0, 0, 0, 0.1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* Навигация */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(10, 14, 39, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

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

.nav-brand {
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-subtitle {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
    position: relative;
}

.nav-link:hover {
    color: var(--primary-color);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-1);
    transition: var(--transition);
}

.nav-link:hover::after {
    width: 100%;
}

.theme-toggle {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
}

.theme-toggle:hover {
    transform: scale(1.05);
    border-color: var(--primary-color);
}

/* Кнопки авторизации в header */
.nav-auth-buttons {
    display: flex;
    gap: 10px;
    align-items: center;
}

.nav-auth-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    white-space: nowrap;
}

.nav-auth-login {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.nav-auth-login:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.nav-auth-register {
    background: var(--gradient-1);
    color: white;
    border: 1px solid transparent;
}

.nav-auth-register:hover {
    background: var(--gradient-2);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px var(--shadow-color);
}

.nav-auth-btn .btn-icon {
    font-size: 1rem;
}

.nav-auth-btn .btn-text-mobile {
    display: inline;
}

/* Навигационное меню после hero */
.page-nav-section {
    padding: 2rem 0;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
}

.page-nav {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.page-nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 500;
    padding: 0.5rem 1.5rem;
    border-radius: 10px;
    transition: var(--transition);
    position: relative;
}

.page-nav-link:hover {
    color: var(--primary-color);
    background: rgba(0, 212, 255, 0.1);
}

.page-nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--gradient-1);
    transition: var(--transition);
}

.page-nav-link:hover::after {
    width: 80%;
}

/* Hero секция */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 100px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: -1;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.5;
    animation: float 20s ease-in-out infinite;
}

.orb-1 {
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, #00d4ff, #00ff94);
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.orb-2 {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, #ff00d4, #00d4ff);
    top: 50%;
    right: 10%;
    animation-delay: 5s;
}

.orb-3 {
    width: 350px;
    height: 350px;
    background: linear-gradient(135deg, #00ff94, #ff00d4);
    bottom: 10%;
    left: 50%;
    animation-delay: 10s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    33% {
        transform: translate(30px, -30px) scale(1.1);
    }
    66% {
        transform: translate(-20px, 20px) scale(0.9);
    }
}

.hero-content {
    max-width: 800px;
    z-index: 1;
}

.hero-title {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.title-main {
    font-size: 3.5rem;
    font-weight: 700;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 0.8s ease-out;
}

.title-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    font-weight: 400;
    animation: fadeInUp 0.8s ease-out 0.2s both;
    margin-bottom: 1rem;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.8;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: 2rem;
    animation: fadeInUp 0.8s ease-out 0.6s both;
}

.btn {
    padding: 0.875rem 2rem;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    display: inline-block;
    text-decoration: none;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: var(--gradient-1);
    color: white;
}

.btn-secondary {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.btn-accent {
    background: var(--gradient-2);
    color: white;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px var(--shadow-color);
}

/* Быстрая навигация */
.quick-nav {
    padding: 4rem 0;
    background: var(--bg-secondary);
}

.quick-nav-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.quick-nav-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.quick-nav-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--gradient-1);
    opacity: 0.1;
    transition: var(--transition);
}

.quick-nav-card:hover::before {
    left: 0;
}

.quick-nav-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: 0 10px 30px var(--shadow-color);
}

.card-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.quick-nav-card h3 {
    font-size: 1rem;
    color: var(--text-primary);
}

/* Технические характеристики */
.technical-section {
    padding: 4rem 0;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Табы */
.tabs-container {
    background: var(--bg-card);
    border-radius: 20px;
    padding: 2rem;
    border: 1px solid var(--border-color);
}

.tabs-nav {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 2rem;
    overflow-x: auto;
    padding-bottom: 1rem;
}

.tab-btn {
    padding: 0.75rem 1.5rem;
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    border-radius: 10px;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
    font-size: 0.95rem;
}

.tab-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.tab-btn.active {
    background: var(--gradient-1);
    color: white;
    border-color: transparent;
}

.tabs-content {
    position: relative;
    min-height: 400px;
}

.tab-panel {
    display: none;
    animation: fadeIn 0.3s ease-in;
}

.tab-panel.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.info-card {
    background: var(--bg-secondary);
    border-radius: 16px;
    padding: 2rem;
    border: 1px solid var(--border-color);
    margin-bottom: 2rem;
}

.info-card:last-child {
    margin-bottom: 0;
}

.card-title {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.card-intro {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.card-footer {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.table-container {
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table tr {
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

.data-table tr:hover {
    background: rgba(0, 212, 255, 0.05);
}

.table-label {
    padding: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    width: 40%;
}

.table-value {
    padding: 1rem;
    color: var(--text-secondary);
}

/* Преимущества */
.features-section {
    padding: 4rem 0;
    background: var(--bg-secondary);
}

.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: 1.2rem;
    margin-bottom: 3rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, var(--primary-color) 0%, transparent 70%);
    opacity: 0;
    transition: var(--transition);
}

.feature-card:hover::before {
    opacity: 0.1;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: 0 10px 30px var(--shadow-color);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

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

/* Слайдер */
.summary-section {
    padding: 4rem 0;
}

.slider-container {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
}

.slider-wrapper {
    display: flex;
    gap: 2rem;
    overflow-x: hidden;
    scroll-behavior: smooth;
    padding: 1rem 0;
}

.slider-item {
    min-width: 300px;
    flex-shrink: 0;
}

.summary-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
    transition: var(--transition);
    height: 100%;
}

.summary-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: 0 10px 30px var(--shadow-color);
}

.summary-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.summary-card h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.summary-card p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    font-weight: 600;
}

.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    font-size: 2rem;
    cursor: pointer;
    transition: var(--transition);
    z-index: 10;
}

.slider-btn:hover {
    background: var(--gradient-1);
    border-color: transparent;
    transform: translateY(-50%) scale(1.1);
}

.slider-btn-prev {
    left: -60px;
}

.slider-btn-next {
    right: -60px;
}

.slider-dots {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 2rem;
}

.slider-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--border-color);
    cursor: pointer;
    transition: var(--transition);
}

.slider-dot.active {
    background: var(--primary-color);
    transform: scale(1.2);
}

/* Контакты */
.contacts-section {
    padding: 4rem 0;
    background: var(--bg-secondary);
}

.contacts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.contact-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
    transition: var(--transition);
}

.contact-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: 0 10px 30px var(--shadow-color);
}

.contact-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.contact-card p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.contact-card .btn {
    margin-top: 1rem;
}

/* Footer */
.footer {
    background: var(--bg-card);
    border-top: 1px solid var(--border-color);
    padding: 3rem 0;
    text-align: center;
}

.footer-brand {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-bottom: 1rem;
}

.footer-text {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.footer-disclaimer {
    color: var(--text-secondary);
    font-size: 0.9rem;
    opacity: 0.7;
}

/* Модальные окна */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 2000;
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s ease-in;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
}

.modal-content {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 2.5rem;
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    animation: slideUp 0.3s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: transparent;
    border: none;
    font-size: 2rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.modal-close:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
    transform: rotate(90deg);
}

.modal-title {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.modal-content p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.8;
}

.modal-url {
    background: var(--bg-secondary);
    padding: 1rem;
    border-radius: 10px;
    margin: 1.5rem 0;
}

.modal-url code {
    color: var(--primary-color);
    font-size: 1.1rem;
    word-break: break-all;
}

.modal-warning {
    background: rgba(255, 193, 7, 0.1);
    border-left: 4px solid #ffc107;
    padding: 1rem;
    border-radius: 5px;
    margin: 1.5rem 0;
}

.modal-info {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.modal-btn {
    width: 100%;
    margin-top: 1.5rem;
}

.mirrors-list {
    margin: 1.5rem 0;
}

.mirror-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: 10px;
    margin-bottom: 1rem;
}

.mirror-domain {
    color: var(--text-primary);
    font-weight: 600;
}

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

.register-steps {
    margin: 1.5rem 0;
    padding-left: 1.5rem;
    color: var(--text-secondary);
}

.register-steps li {
    margin-bottom: 0.5rem;
}

.modal-benefits {
    background: var(--bg-secondary);
    padding: 1.5rem;
    border-radius: 10px;
    margin: 1.5rem 0;
}

.modal-benefits h3 {
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.modal-benefits ul {
    list-style: none;
    padding-left: 0;
}

.modal-benefits li {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    padding-left: 1.5rem;
    position: relative;
}

.modal-benefits li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

/* Адаптивность */
@media (max-width: 768px) {
    .navbar .container {
        flex-wrap: wrap;
        gap: 1rem;
    }

    .nav-auth-buttons {
        order: 3;
        width: 100%;
        justify-content: center;
    }

    .nav-auth-btn {
        flex: 1;
        justify-content: center;
        max-width: 200px;
    }

    .page-nav {
        flex-direction: column;
        gap: 1rem;
    }

    .page-nav-link {
        width: 100%;
        text-align: center;
    }

    .title-main {
        font-size: 2.5rem;
    }

    .title-subtitle {
        font-size: 1rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    .quick-nav-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Табы - показываем все блоки сразу на мобильных */
    .tabs-nav {
        display: none;
    }

    .tabs-content {
        min-height: auto;
    }

    .tab-panel {
        display: block !important;
        margin-bottom: 2rem;
    }

    .tab-panel:last-child {
        margin-bottom: 0;
    }

    /* Слайдер - показываем все карточки списком */
    .slider-container {
        position: relative;
    }

    .slider-wrapper {
        flex-direction: column;
        gap: 1rem;
        overflow-x: visible;
    }

    .slider-item {
        min-width: 100%;
    }

    .slider-btn-prev,
    .slider-btn-next {
        display: none;
    }

    .slider-dots {
        display: none;
    }

    .section-title {
        font-size: 2rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .contacts-grid {
        grid-template-columns: 1fr;
    }

}

@media (max-width: 480px) {
    .navbar {
        padding: 0.75rem 0;
    }

    .navbar .container {
        gap: 0.5rem;
    }

    .nav-brand {
        flex: 1;
    }

    .logo {
        font-size: 1.5rem;
    }

    .nav-auth-buttons {
        gap: 8px;
    }

    .nav-auth-btn {
        padding: 0.4rem 0.8rem;
        font-size: 0.85rem;
    }

    .nav-auth-btn .btn-text-mobile {
        display: inline;
    }

    .theme-toggle {
        padding: 0.4rem 0.8rem;
    }

    .quick-nav-grid {
        grid-template-columns: 1fr;
    }

    .card-icon, .feature-icon, .summary-icon {
        font-size: 2rem;
    }

    .hero {
        padding-top: 120px;
    }

    .hero-content {
        padding: 0 1rem;
    }

    .info-page-content {
        padding: 1rem 0;
    }

    .info-page-content h1 {
        font-size: 1.8rem;
    }

    .info-section {
        padding: 1.5rem;
    }

    .info-section h2 {
        font-size: 1.4rem;
    }

    .table-container {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .data-table {
        font-size: 0.9rem;
    }

    .data-table .table-label,
    .data-table .table-value {
        padding: 0.75rem 0.5rem;
    }
}

/* Стили для информационных страниц */
.info-page-content {
    max-width: 900px;
    margin: 0 auto;
    padding: 2rem 0;
}

.info-page-content h1 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.intro-text {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.info-section {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem;
    margin-bottom: 2rem;
    transition: var(--transition);
}

.info-section:hover {
    border-color: var(--primary-color);
    box-shadow: 0 5px 20px var(--shadow-color);
}

.info-section h2 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.info-section p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 1rem;
}

.bonus-steps {
    padding-left: 1.5rem;
    color: var(--text-secondary);
    line-height: 2;
}

.bonus-steps li {
    margin-bottom: 0.5rem;
}

.bonus-list {
    padding-left: 1.5rem;
    color: var(--text-secondary);
    line-height: 2;
}

.bonus-list li {
    margin-bottom: 0.5rem;
}

.info-section.highlight {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1) 0%, rgba(0, 255, 148, 0.1) 100%);
    border-color: var(--primary-color);
}

.cta-section {
    text-align: center;
    margin-top: 3rem;
    padding: 2rem;
    background: var(--bg-card);
    border-radius: 16px;
}

.btn-large {
    padding: 1.2rem 3rem;
    font-size: 1.2rem;
}

.footer-nav {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin: 1rem 0;
    flex-wrap: wrap;
}

.footer-nav a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

.footer-nav a:hover {
    color: var(--primary-color);
}

/* Полезные фишки */
/* Кнопка "Наверх" */
.scroll-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: var(--gradient-1);
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 100;
    box-shadow: 0 5px 20px var(--shadow-color);
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    transform: translateY(-5px) scale(1.1);
}

/* Tooltip */
.tooltip {
    position: relative;
    cursor: help;
}

.tooltip::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--bg-card);
    color: var(--text-primary);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-size: 0.9rem;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    pointer-events: none;
    border: 1px solid var(--border-color);
    z-index: 1000;
}

.tooltip:hover::after {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(-5px);
}

/* Анимация появления элементов при скролле */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Кастомный скроллбар */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--gradient-1);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gradient-2);
}

/* Выделение текста */
::selection {
    background: var(--primary-color);
    color: white;
}

::-moz-selection {
    background: var(--primary-color);
    color: white;
}