/* ASI Biont — FAQ page styles (извлечено из faq.html) */
:root {
    --color-accent: #068487;
    --color-bg: #FFFFFF;
    --color-bg-secondary: #F6F8FA;
    --color-text-primary: #1F2328;
    --color-text-secondary: #374151;
    --color-text-muted: #6C727F;
    --color-border: #D1D9E0;
    --radius-sm: 6px;
    --radius-md: 8px;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.06);
    --transition-fast: 0.15s ease;
    --transition-base: 0.2s ease;
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans", Helvetica, Arial, sans-serif;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html, body {
    height: 100%;
    background: var(--color-bg);
    font-family: var(--font-sans);
}
body {
    display: block;
    padding: 40px 15px 0;
}
@media (max-width: 768px) {
    body { padding: 15px 12px !important; }
}
.faq-container {
    width: 100%;
    max-width: min(900px, calc(100vw - 30px));
    margin: 0 auto;
    padding: 0 24px 80px;
}
h1 {
    margin: 0 0 16px 0;
    font-size: 28px;
    font-weight: 700;
    color: var(--color-text-primary);
    text-align: center;
    letter-spacing: -0.025em;
    line-height: 1.3;
}
.faq-subtitle {
    text-align: center;
    color: var(--color-text-muted);
    font-size: 14px;
    margin-bottom: 32px;
    line-height: 1.5;
}
.faq-item {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    margin-bottom: 12px;
    overflow: hidden;
    background: white;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}
.faq-item:hover {
    box-shadow: var(--shadow-md);
}
.faq-item.open {
    border-color: var(--color-accent);
}
.faq-question {
    padding: 16px 20px;
    font-size: 15px;
    font-weight: 600;
    color: var(--color-text-primary);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background var(--transition-fast);
}
.faq-question:hover {
    background: var(--color-bg-secondary);
}
.faq-question::after {
    content: '+';
    font-size: 20px;
    font-weight: 400;
    color: var(--color-text-muted);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    flex-shrink: 0;
    margin-left: 12px;
}
.faq-item.open .faq-question::after {
    content: '\2212';
    transform: rotate(90deg);
}
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}
.faq-item.open .faq-answer {
    max-height: 2000px;
}
.faq-answer-inner {
    padding: 0 20px 16px;
    font-size: 14px;
    color: var(--color-text-secondary);
    line-height: 1.7;
}
.faq-cta {
    text-align: center;
    margin-top: 32px;
    padding: 24px;
}
.faq-cta p {
    color: var(--color-text-secondary);
    font-size: 15px;
    margin-bottom: 16px;
}
.faq-cta a {
    display: inline-block;
    padding: 10px 20px;
    background: var(--color-text-secondary);
    color: white;
    text-decoration: none;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 500;
    margin: 0 6px;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-sm);
}
.faq-cta a:hover {
    background: #2C3441;
    box-shadow: var(--shadow-md);
}
.faq-cta a.secondary {
    background: white;
    color: #59636E;
    border: 1px solid var(--color-border);
    box-shadow: none;
}
.faq-cta a.secondary:hover {
    background: var(--color-bg-secondary);
    border-color: var(--color-text-primary);
}
.back-link {
    display: inline-block;
    color: #59636E;
    text-decoration: none;
    font-size: 13px;
    margin-bottom: 24px;
    transition: color var(--transition-fast);
}
.back-link:hover {
    color: var(--color-text-primary);
}
.footer-links a {
    color: #59636E;
    text-decoration: none;
    margin-right: 16px;
    transition: color var(--transition-fast);
}
.footer-links a:hover { color: var(--color-text-primary); }
.footer {
    text-align: center;
    margin-top: 32px;
    padding-top: 24px;
    padding-bottom: 32px;
    color: var(--color-text-muted);
    font-size: 13px;
}