/* ============================================
   HUB KNOWLEDGE BASE - Базові змінні та загальні стилі
   ============================================ */

:root {
    --hub-primary: #E50914;
    --hub-secondary: #000000;
    --hub-text: #1A1A1A;
    --hub-text-light: #666666;
    --hub-bg-card: #FFFFFF;
    --hub-border: #E0E0E0;
    --hub-shadow: rgba(0, 0, 0, 0.1);
}

/* Темна тема */
[data-theme="dark"] {
    --hub-text: #FFFFFF;
    --hub-text-light: #B3B3B3;
    --hub-bg-card: #2A2A2A;
    --hub-border: #404040;
    --hub-shadow: rgba(0, 0, 0, 0.3);
}

@media (prefers-color-scheme: dark) {
    [data-theme="auto"] {
        --hub-text: #FFFFFF;
        --hub-text-light: #B3B3B3;
        --hub-bg-card: #2A2A2A;
        --hub-border: #404040;
        --hub-shadow: rgba(0, 0, 0, 0.3);
    }
}

/* Загальна кнопка (скопійовано з home.css) */
.hub-btn {
    background: #e9e9e9;
    color: #000000;
    border: none;
    padding: 8px 14px 8px 16px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 50px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 11px;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    white-space: nowrap;
    min-height: 54px;
    overflow: visible;
}

.hub-btn .btn-text {
    display: inline-block;
    line-height: 1.2;
}

.hub-btn .btn-logo-space {
    width: 19px;
    height: 19px;
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: url('/static/images/white_botton.png') no-repeat center center;
    background-size: contain;
}

.hub-btn:hover {
    background: #f5f5f5;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
    text-decoration: none;
}

.hub-btn-small {
    padding: 8px 14px 8px 16px;
    font-size: 0.95rem;
    gap: 10px;
    min-height: 44px;
}

/* Section title (синхронізовано з experts-section) */
.section-title {
    color: var(--hub-text);
    font-size: 2.5rem;
    font-weight: 700;
    text-align: left;
    margin-bottom: 16px;
    text-shadow: none;
}

/* Responsive */
@media (min-width: 769px) and (max-width: 1024px) {
    .section-title {
        font-size: 2.25rem;
        margin-bottom: 14px;
    }
}

@media (max-width: 768px) {
    .section-title {
        font-size: 2rem;
        margin-bottom: 12px;
    }
}

@media (max-width: 768px) {
    .section-title {
        font-size: 1.75rem;
        margin-bottom: 10px;
    }
    
    .hub-btn {
        font-size: 0.9rem;
        padding: 7px 12px 7px 14px;
    }
}