/* ========================================
   LANDING PAGE СТИЛИ
   ======================================== */

/* --- Навигация --- */
.landing-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(var(--bg-primary-rgb, 54, 57, 63), 0.8); /* Fallback для темной темы */
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    padding: 16px 0;
    transition: all var(--transition-fast);
}

/* Адаптация фона навбара под светлую тему, если переменная не сработает */
[data-theme="light"] .landing-nav {
    background-color: rgba(255, 255, 255, 0.8);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 24px;
}

.nav-links a:not(.btn) {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: var(--font-size-sm);
    transition: color var(--transition-fast);
}

.nav-links a:not(.btn):hover {
    color: var(--accent-primary);
}

/* --- Главный экран (Hero) --- */
.landing-hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 120px 24px 80px;
    max-width: 1200px;
    margin: 0 auto;
    gap: 60px;
}

.hero-content {
    flex: 1;
    max-width: 600px;
}

.server-status-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 24px;
    transition: all var(--transition-fast);
}

.server-status-badge.online {
    border-color: var(--success);
    color: var(--success);
    background-color: rgba(59, 165, 93, 0.1);
}

.server-status-badge.offline {
    border-color: var(--danger);
    color: var(--danger);
    background-color: rgba(237, 66, 69, 0.1);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: currentColor;
    animation: pulse 2s infinite;
}

.hero-title {
    font-size: 56px;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    color: var(--text-primary);
    letter-spacing: -1px;
}

.text-gradient {
    background: linear-gradient(135deg, var(--accent-primary), #a855f7);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 32px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

/* Визуал (Mockup окна) */
.hero-visual {
    flex: 1;
    display: flex;
    justify-content: center;
    perspective: 1000px;
}

.mockup-window {
    width: 100%;
    max-width: 500px;
    background-color: var(--bg-primary);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    overflow: hidden;
    transform: rotateY(-5deg) rotateX(2deg);
    transition: transform 0.5s ease;
}

.mockup-window:hover {
    transform: rotateY(0deg) rotateX(0deg) scale(1.02);
}

.mockup-header {
    padding: 12px 16px;
    background-color: var(--bg-tertiary);
    display: flex;
    gap: 8px;
    border-bottom: 1px solid var(--border-color);
}

.dot { width: 12px; height: 12px; border-radius: 50%; }
.dot.red { background-color: #ff5f56; }
.dot.yellow { background-color: #ffbd2e; }
.dot.green { background-color: #27c93f; }

.mockup-body {
    display: flex;
    height: 320px;
}

.mockup-sidebar {
    width: 80px;
    background-color: var(--bg-tertiary);
    border-right: 1px solid var(--border-color);
}

.mockup-content {
    flex: 1;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.mockup-msg {
    height: 12px;
    background-color: var(--bg-accent);
    border-radius: 6px;
    width: 80%;
    animation: pulse 3s infinite ease-in-out;
}

.mockup-msg.short { width: 50%; }

/* --- Секции --- */
.landing-section {
    padding: 80px 24px;
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    text-align: center;
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 48px;
    color: var(--text-primary);
}

/* Возможности */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.feature-card {
    background-color: var(--bg-secondary);
    padding: 32px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    text-align: center;
    transition: all var(--transition-fast);
}

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

.feature-icon {
    font-size: 40px;
    margin-bottom: 16px;
}

.feature-card h3 {
    color: var(--text-primary);
    font-size: 20px;
    margin-bottom: 12px;
}

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

/* История обновлений (Timeline) */
.changelog-timeline {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    padding-left: 32px;
}

.changelog-timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background-color: var(--border-color);
}

.changelog-item {
    position: relative;
    margin-bottom: 40px;
}

.changelog-item::before {
    content: '';
    position: absolute;
    left: -37px;
    top: 6px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: var(--accent-primary);
    border: 3px solid var(--bg-primary);
    box-shadow: 0 0 0 2px var(--accent-primary);
}

.changelog-date {
    font-size: 13px;
    color: var(--accent-primary);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}

.changelog-content {
    background-color: var(--bg-secondary);
    padding: 24px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

.changelog-content h4 {
    font-size: 18px;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.changelog-content ul {
    color: var(--text-secondary);
    padding-left: 20px;
    line-height: 1.8;
}

.changelog-content li::marker {
    color: var(--accent-primary);
}

/* --- Футер --- */
.landing-footer {
    border-top: 1px solid var(--border-color);
    padding: 40px 24px;
    text-align: center;
    background-color: var(--bg-tertiary);
}

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

.footer-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.footer-copy {
    color: var(--text-muted);
    font-size: 14px;
}

/* ========================================
   АДАПТИВНОСТЬ (Mobile)
   ======================================== */
@media (max-width: 900px) {
    .landing-hero {
        flex-direction: column;
        text-align: center;
        padding-top: 100px;
        gap: 40px;
    }

    .hero-content {
        max-width: 100%;
    }

    .hero-actions {
        justify-content: center;
    }

    .hero-title {
        font-size: 40px;
    }

    .mockup-window {
        transform: none;
        max-width: 100%;
    }
    
    .mockup-window:hover {
        transform: none;
    }
}

@media (max-width: 600px) {
    .nav-links a:not(.btn) {
        display: none; /* Скрываем ссылки на мобильных, оставляем только кнопку входа */
    }
    
    .hero-title {
        font-size: 32px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .changelog-timeline {
        padding-left: 24px;
    }
    
    .changelog-item::before {
        left: -29px;
    }
}