/* ==========================================================
   Finance Footer
   Подвал финансового агрегатора: 4-колоночная сетка,
   регуляторы, дисклеймер, нижняя строка.
   Переменные: --finance-* из base.css
   ========================================================== */

/* --- Локальные переменные footer (область .finance-footer) --- */
.finance-footer {
    --footer-bg:            var(--text-primary);
    --footer-bg-section:    var(--frosted-xs);
    --footer-text:          var(--border-subtle);
    --footer-heading:       var(--color-surface);
    --footer-link:          var(--color-surface);
    --footer-link-hover:    var(--brand-accent);
    --footer-border:        var(--frosted-dark-border);
    --footer-accent:        var(--brand-accent);
    --footer-muted:         var(--text-muted);
    --footer-brand-size:    1.25rem;
}

/* ============================================================
   БЛОК: Обёртка footer
   ============================================================ */

.finance-footer {
    background: var(--footer-bg);
    color: var(--footer-text);
    font-size: 0.875rem;
    line-height: 1.6;
    margin-top: auto;
}

.finance-footer__inner {
    width: min(calc(100% - 48px), var(--finance-container, 1280px));
    margin-inline: auto;
    padding-block: 64px 0;
}

/* ============================================================
   БЛОК: Верхняя секция (brand + колонки)
   ============================================================ */

.finance-footer__top {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 48px 64px;
    padding-bottom: 48px;
    border-bottom: 1px solid var(--footer-border);
}

/* ============================================================
   БЛОК: Brand
   ============================================================ */

.finance-footer__brand {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.finance-footer__brand-link {
    display: inline-flex;
    text-decoration: none;
}

.finance-footer__brand-link img {
    max-height: 40px;
    width: auto;
}

.finance-footer__brand-name {
    font-size: var(--footer-brand-size);
    font-weight: 700;
    color: var(--footer-heading);
    letter-spacing: -0.01em;
}

.finance-footer__brand-desc {
    color: var(--footer-text);
    font-size: 0.8125rem;
    line-height: 1.65;
    margin: 0;
    max-width: 260px;
}

/* ============================================================
   БЛОК: Навигационные колонки
   ============================================================ */

.finance-footer__columns {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
}

.finance-footer__col {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.finance-footer__col-title {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--footer-heading);
    margin: 0;
}

.finance-footer__nav-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.finance-footer__nav-list a,
.finance-footer__nav-list .menu-item a {
    color: var(--footer-link);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color 0.15s ease;
    display: inline-block;
}

.finance-footer__nav-list a:hover,
.finance-footer__nav-list a:focus,
.finance-footer__nav-list .menu-item a:hover,
.finance-footer__nav-list .menu-item a:focus {
    color: var(--footer-link-hover);
    outline: none;
}

.finance-footer__nav-list a:focus-visible,
.finance-footer__nav-list .menu-item a:focus-visible {
    outline: 2px solid var(--footer-accent);
    outline-offset: 2px;
    border-radius: 2px;
}

/* ============================================================
   БЛОК: Регуляторы
   ============================================================ */

.finance-footer__regulators {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px 24px;
    padding-block: 24px;
    border-bottom: 1px solid var(--footer-border);
}

.finance-footer__regulators-intro {
    margin: 0;
    font-size: 0.8125rem;
    color: var(--footer-muted);
    flex-shrink: 0;
}

.finance-footer__regulators-note {
    display: block;
    font-size: 0.75rem;
    margin-top: 2px;
    color: var(--footer-muted);
    opacity: 0.7;
}

.finance-footer__regulators-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.finance-footer__regulator a {
    display: inline-block;
    padding: 4px 12px;
    border: 1px solid var(--footer-border);
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    color: var(--footer-text);
    text-decoration: none;
    transition: border-color 0.15s ease, color 0.15s ease;
}

.finance-footer__regulator a:hover,
.finance-footer__regulator a:focus {
    border-color: var(--footer-accent);
    color: var(--footer-heading);
    outline: none;
}

.finance-footer__regulator a:focus-visible {
    outline: 2px solid var(--footer-accent);
    outline-offset: 2px;
}

/* ============================================================
   БЛОК: Социальные сети
   ============================================================ */

.finance-footer__socials {
    display: flex;
    align-items: center;
    gap: 16px;
    padding-block: 24px;
    border-bottom: 1px solid var(--footer-border);
}

.finance-footer__socials-label {
    margin: 0;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--footer-muted);
}

.finance-footer__socials-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: 8px;
}

.finance-footer__social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: 1px solid var(--footer-border);
    border-radius: 8px;
    color: var(--footer-text);
    text-decoration: none;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0;
    transition: border-color 0.15s ease, color 0.15s ease, background 0.15s ease;
}

.finance-footer__social-link:hover,
.finance-footer__social-link:focus {
    border-color: var(--footer-accent);
    color: var(--footer-heading);
    background: var(--brand-label-bg);
    outline: none;
}

.finance-footer__social-link:focus-visible {
    outline: 2px solid var(--footer-accent);
    outline-offset: 2px;
}

/* ============================================================
   БЛОК: Дисклеймер
   ============================================================ */

.finance-footer__disclaimer {
    padding-block: 24px;
    border-bottom: 1px solid var(--footer-border);
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.finance-footer__disclaimer-text {
    margin: 0;
    font-size: 0.75rem;
    line-height: 1.65;
    color: var(--footer-muted);
    max-width: 860px;
}

.finance-footer__disclaimer-text--affiliate {
    opacity: 0.75;
}

/* ============================================================
   БЛОК: Нижняя строка
   ============================================================ */

.finance-footer__bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    padding-block: 20px 24px;
}

.finance-footer__copyright {
    margin: 0;
    font-size: 0.8125rem;
    color: var(--footer-muted);
}

.finance-footer__bottom-nav {
    display: flex;
    gap: 16px;
}

.finance-footer__sitemap-link {
    font-size: 0.8125rem;
    color: var(--footer-muted);
    text-decoration: none;
    transition: color 0.15s ease;
}

.finance-footer__sitemap-link:hover,
.finance-footer__sitemap-link:focus {
    color: var(--footer-link-hover);
    outline: none;
}

.finance-footer__sitemap-link:focus-visible {
    outline: 2px solid var(--footer-accent);
    outline-offset: 2px;
    border-radius: 2px;
}

.finance-footer__back-to-top {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--footer-muted);
    text-decoration: none;
    transition: color 0.15s ease;
}

.finance-footer__back-to-top:hover,
.finance-footer__back-to-top:focus {
    color: var(--footer-link-hover);
    outline: none;
}

.finance-footer__back-to-top:focus-visible {
    outline: 2px solid var(--footer-accent);
    outline-offset: 2px;
    border-radius: 2px;
}

.finance-footer__back-arrow {
    font-size: 1rem;
    line-height: 1;
    transition: transform 0.15s ease;
}

.finance-footer__back-to-top:hover .finance-footer__back-arrow {
    transform: translateY(-2px);
}

/* ============================================================
   АДАПТИВ: Tablet (≤ 1024px)
   ============================================================ */

@media (max-width: 1024px) {
    .finance-footer__top {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .finance-footer__brand-desc {
        max-width: 100%;
    }

    .finance-footer__columns {
        grid-template-columns: repeat(2, 1fr);
        gap: 32px 40px;
    }
}

/* ============================================================
   АДАПТИВ: Mobile (≤ 640px)
   ============================================================ */

@media (max-width: 640px) {
    .finance-footer__inner {
        width: calc(100% - 32px);
        padding-block: 48px 0;
    }

    .finance-footer__columns {
        grid-template-columns: repeat(2, 1fr);
        gap: 28px 24px;
    }

    .finance-footer__regulators {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .finance-footer__socials {
        flex-wrap: wrap;
    }

    .finance-footer__bottom {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
}

/* ============================================================
   АДАПТИВ: Small Mobile (≤ 400px)
   ============================================================ */

@media (max-width: 400px) {
    .finance-footer__columns {
        grid-template-columns: 1fr;
    }
}