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

:root {
    --bg-primary: #000000;
    --bg-secondary: #111111;
    --bg-tertiary: #1a1a1a;
    --text-primary: #ffffff;
    --text-secondary: #888888;
    --text-tertiary: #666666;
    --accent-blue: #0070f3;
    --accent-purple: #7928ca;
    --accent-cyan: #50e3c2;
    --accent-green: #17c964;
    --accent-orange: #ff6b35;
    --accent-red: #ff375f;
    --border-color: #333333;
    --gradient: linear-gradient(135deg, #0070f3, #7928ca);
    --gradient-orange: linear-gradient(135deg, #ff6b35, #ff375f);
}

body {
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    min-height: 100vh;
}

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

/* Навигация */
.main-nav {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 20px 0;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 30px;
    justify-content: center;
    flex-wrap: wrap;
}

.nav-links a {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 8px;
    transition: all 0.2s ease;
}

.nav-links a:hover {
    background: var(--accent-blue);
    color: white;
}

.nav-links a.active {
    background: var(--accent-blue);
    color: white;
}

/* Header */
.header {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 60px 0 40px;
    text-align: center;
}

.logo {
    font-size: 3.5rem;
    font-weight: 800;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 16px;
}

.tagline {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 32px;
    font-weight: 400;
}

/* Шапка страниц */
.page-header {
    text-align: center;
    padding: 80px 0 40px;
}

.page-header h1 {
    font-size: 3rem;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 16px;
}

.page-header p {
    color: var(--text-secondary);
    font-size: 1.2rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    border: 1px solid var(--border-color);
    transition: all 0.2s ease;
    font-size: 0.95rem;
}

.btn:hover {
    background: var(--accent-blue);
    border-color: var(--accent-blue);
    transform: translateY(-1px);
}

.btn-primary {
    background: var(--accent-blue);
    border-color: var(--accent-blue);
}

.btn-primary:hover {
    background: #0050b3;
    border-color: #0050b3;
}

.btn-success {
    background: var(--accent-green);
    border-color: var(--accent-green);
}

.btn-success:hover {
    background: #13a452;
    border-color: #13a452;
}

.btn-donate {
    background: var(--accent-red);
    border-color: var(--accent-red);
}

.btn-donate:hover {
    background: #e62e4f;
    border-color: #e62e4f;
    transform: translateY(-1px);
}

.btn-youtube {
    background: #ff0000;
    border-color: #ff0000;
}

.btn-youtube:hover {
    background: #cc0000;
    border-color: #cc0000;
    transform: translateY(-1px);
}

.btn-group {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 24px;
}

/* Main Content */
.main {
    padding: 80px 0;
}

.section {
    margin-bottom: 80px;
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 32px;
    color: var(--text-primary);
    text-align: center;
}

/* Cards */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
    margin-bottom: 40px;
}

.card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 32px;
    transition: all 0.3s ease;
}

.card:hover {
    border-color: var(--accent-blue);
    transform: translateY(-4px);
}

.card-icon {
    font-size: 2rem;
    margin-bottom: 16px;
}

.card-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.card-description {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Features */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 32px;
    margin-top: 48px;
}

.feature {
    text-align: center;
    padding: 24px;
}

.feature-icon {
    width: 64px;
    height: 64px;
    background: var(--gradient);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 1.5rem;
}

.feature-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-primary);
}

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

/* Stats */
.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 32px;
    margin: 60px 0;
}

.stat {
    text-align: center;
    padding: 24px;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Support Section */
.support {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 48px 32px;
    text-align: center;
    margin: 60px 0;
}

.support-icon {
    font-size: 3rem;
    margin-bottom: 24px;
}

.support-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.support-description {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 32px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.support-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 24px;
}

/* Survey Section */
.survey {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 48px 32px;
    text-align: center;
    margin: 60px 0;
}

.survey-icon {
    font-size: 3rem;
    margin-bottom: 24px;
}

.survey-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.survey-description {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 32px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

/* Legal Notice */
.legal-notice {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 32px;
    margin: 60px 0;
    text-align: center;
}

.legal-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.legal-text {
    color: var(--text-secondary);
    line-height: 1.6;
    max-width: 600px;
    margin: 0 auto;
}

/* Footer */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 40px 0;
    text-align: center;
}

.footer-text {
    color: var(--text-tertiary);
    font-size: 0.9rem;
    margin-bottom: 16px;
}

.footer-links {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.footer-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s ease;
}

.footer-link:hover {
    color: var(--accent-blue);
}

/* Анимация пульсации */
@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

.pulse {
    animation: pulse 0.5s ease;
}

/* Анимации */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.6s ease-out;
}

/* Кнопка "Наверх" */
.back-to-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    background: var(--accent-blue);
    color: white;
    border: none;
    border-radius: 50%;
    font-size: 24px;
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.back-to-top.show {
    opacity: 1;
}

.back-to-top:hover {
    background: #0050b3;
}

/* Responsive */
@media (max-width: 768px) {
    .logo {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .cards-grid {
        grid-template-columns: 1fr;
    }
    
    .features {
        grid-template-columns: 1fr;
    }
    
    .btn-group {
        flex-direction: column;
        align-items: center;
    }
    
    .support-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
    
    .nav-links {
        flex-direction: column;
        align-items: center;
        gap: 10px;
    }
    
    .page-header h1 {
        font-size: 2.5rem;
    }
    
    .back-to-top {
        width: 40px;
        height: 40px;
        font-size: 18px;
        bottom: 10px;
        right: 10px;
    }
}
/* Дополнительные стили для новых страниц */

/* Стили для страницы проектов */
.project-main {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
    border: 2px solid var(--accent-green);
    border-radius: 20px;
    padding: 50px;
    margin-bottom: 60px;
    position: relative;
}

.project-main:before {
    content: '⭐ ОСНОВНОЙ ПРОЕКТ';
    position: absolute;
    top: -15px;
    left: 30px;
    background: var(--accent-green);
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
}

.tag {
    background: var(--bg-primary);
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.tag.online {
    background: rgba(23, 201, 100, 0.2);
    color: var(--accent-green);
    border-color: var(--accent-green);
}

.tag.open-source {
    background: rgba(0, 112, 243, 0.2);
    color: var(--accent-blue);
    border-color: var(--accent-blue);
}

/* Стили для правил */
.rules-box {
    background: var(--bg-tertiary);
    border: 2px solid var(--accent-blue);
    border-radius: 16px;
    padding: 40px;
    margin: 60px 0;
}

.rules-list {
    list-style: none;
}

.rules-list li {
    padding: 12px 0 12px 40px;
    position: relative;
    color: var(--text-secondary);
    margin-bottom: 10px;
}

.rules-list li:before {
    content: "📌";
    position: absolute;
    left: 0;
    font-size: 1.2rem;
}