/* =========================================================
   RealCash — site header & footer
   ========================================================= */

/* =========================================================
   Header
   ========================================================= */
.site-header {
    position: sticky;
    top: 0;
    z-index: var(--z-header);
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: saturate(140%) blur(14px);
    -webkit-backdrop-filter: saturate(140%) blur(14px);
    border-bottom: 1px solid var(--color-border);
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--sp-4);
    min-height: var(--header-height);
}

.site-header__logo {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
    line-height: 1;
    transition: opacity var(--d-fast) var(--ease-out);
}

.site-header__logo:hover { opacity: 0.85; }

.site-header__logo-img {
    height: 46px;
    width: auto;
    display: block;
}

@media (max-width: 480px) {
    .site-header__logo-img { height: 38px; }
}

.site-header__right {
    display: flex;
    align-items: center;
    gap: var(--sp-3);
}

/* ---- Primary nav ---- */
.main-nav {
    display: none;
}

@media (min-width: 1024px) {
    .main-nav {
        display: block;
        flex: 1;
        margin-inline: var(--sp-6);
    }

    .main-nav__list {
        display: flex;
        gap: var(--sp-1);
        align-items: center;
        justify-content: center;
    }

    .main-nav__group { position: relative; }

    .main-nav__btn,
    .main-nav__link {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 10px 14px;
        border-radius: var(--r-sm);
        font-size: var(--fz-sm);
        font-weight: 600;
        color: var(--color-text-muted);
        background: transparent;
        transition: background-color var(--d-fast) var(--ease-out),
                    color var(--d-fast) var(--ease-out);
    }

    .main-nav__btn:hover,
    .main-nav__link:hover,
    .main-nav__group--open .main-nav__btn {
        color: var(--color-primary-darker);
        background: var(--color-primary-soft);
    }

    .main-nav__group--active .main-nav__btn,
    .main-nav__link--active {
        color: var(--color-primary-dark);
        background: var(--color-primary-tint);
    }

    .main-nav__chevron {
        transition: transform var(--d-fast) var(--ease-out);
    }

    .main-nav__group--open .main-nav__chevron { transform: rotate(180deg); }

    .main-nav__dropdown {
        position: absolute;
        top: 100%;
        left: 0;
        min-width: 280px;
        background: var(--color-surface);
        border: 1px solid var(--color-border);
        border-radius: var(--r-md);
        padding: 8px;
        box-shadow: var(--shadow-lg);
        margin-top: 8px;
        opacity: 0;
        transform: translateY(-6px);
        pointer-events: none;
        transition: opacity var(--d-fast) var(--ease-out),
                    transform var(--d-fast) var(--ease-out);
    }

    /* Bridge to keep hover stable when moving cursor from button to dropdown */
    .main-nav__dropdown::before {
        content: "";
        position: absolute;
        inset: -10px 0 auto 0;
        height: 10px;
    }

    .main-nav__group:hover .main-nav__dropdown,
    .main-nav__group:focus-within .main-nav__dropdown,
    .main-nav__group--open .main-nav__dropdown {
        opacity: 1;
        transform: translateY(0);
        pointer-events: auto;
    }

    .main-nav__group:hover .main-nav__chevron,
    .main-nav__group--open .main-nav__chevron {
        transform: rotate(180deg);
    }

    .main-nav__sublink {
        display: flex;
        align-items: center;
        gap: var(--sp-3);
        padding: 10px 12px;
        border-radius: var(--r-sm);
        color: var(--color-text-muted);
        font-size: var(--fz-sm);
        font-weight: 500;
    }

    .main-nav__sublink:hover {
        background: var(--color-primary-soft);
        color: var(--color-primary-darker);
    }

    .main-nav__sublink--active {
        background: var(--color-primary-tint);
        color: var(--color-primary-darker);
        font-weight: 600;
    }

    .main-nav__sublink-icon {
        width: 32px;
        height: 32px;
        flex-shrink: 0;
        border-radius: var(--r-sm);
        background: var(--color-surface-alt);
        color: var(--color-primary);
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }

    .main-nav__sublink-icon svg { width: 18px; height: 18px; }

    .main-nav__sublink:hover .main-nav__sublink-icon,
    .main-nav__sublink--active .main-nav__sublink-icon {
        background: var(--color-primary);
        color: #fff;
    }
}

/* ---- Mobile nav ---- */
.nav-toggle {
    display: inline-flex;
    flex-direction: column;
    gap: 5px;
    width: 40px;
    height: 40px;
    align-items: center;
    justify-content: center;
    border-radius: var(--r-sm);
}

.nav-toggle__bar {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--color-text);
    border-radius: 2px;
    transition: transform var(--d-fast) var(--ease-out),
                opacity var(--d-fast) var(--ease-out);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

@media (min-width: 1024px) {
    .nav-toggle { display: none; }
}

@media (max-width: 1023px) {
    .main-nav.is-open {
        display: block;
        position: fixed;
        inset: var(--header-height) 0 0 0;
        background: var(--color-surface);
        z-index: calc(var(--z-header) - 1);
        overflow-y: auto;
        padding: var(--sp-4) var(--container-pad) var(--sp-9);
        animation: slideDown var(--d-base) var(--ease-out);
    }

    .main-nav__list {
        display: flex;
        flex-direction: column;
        gap: var(--sp-2);
    }

    .main-nav__btn,
    .main-nav__link {
        display: flex;
        width: 100%;
        align-items: center;
        justify-content: space-between;
        padding: 14px 16px;
        font-size: var(--fz-md);
        font-weight: 600;
        color: var(--color-text);
        border-radius: var(--r-md);
        background: var(--color-surface-alt);
    }

    .main-nav__group--open .main-nav__btn {
        background: var(--color-primary-soft);
        color: var(--color-primary-darker);
    }

    .main-nav__dropdown {
        display: none;
        margin-top: var(--sp-1);
        padding: var(--sp-2);
        background: transparent;
        gap: var(--sp-1);
        flex-direction: column;
    }

    .main-nav__group--open .main-nav__dropdown { display: flex; }

    .main-nav__sublink {
        display: flex;
        align-items: center;
        gap: var(--sp-3);
        padding: 12px 14px;
        border-radius: var(--r-sm);
        color: var(--color-text-muted);
    }

    .main-nav__sublink-icon {
        width: 28px; height: 28px;
        background: var(--color-primary-soft);
        color: var(--color-primary);
        border-radius: var(--r-xs);
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }
    .main-nav__sublink-icon svg { width: 16px; height: 16px; }
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-8px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* =========================================================
   Language switcher
   ========================================================= */
.lang-switch {
    position: relative;
}

.lang-switch__btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    border-radius: var(--r-sm);
    background: var(--color-surface-alt);
    color: var(--color-text);
    font-size: var(--fz-sm);
    font-weight: 700;
    border: 1px solid var(--color-border);
    transition: background-color var(--d-fast) var(--ease-out),
                border-color var(--d-fast) var(--ease-out),
                color var(--d-fast) var(--ease-out);
}

.lang-switch__btn:hover {
    background: var(--color-primary-soft);
    border-color: var(--color-primary-light);
    color: var(--color-primary-darker);
}

.lang-switch__code {
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-feature-settings: "tnum" 1;
}

.lang-switch__chevron {
    transition: transform var(--d-fast) var(--ease-out);
    opacity: 0.7;
}

.lang-switch[data-open="true"] .lang-switch__chevron { transform: rotate(180deg); }

.lang-switch__menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 88px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--r-md);
    padding: 6px;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-6px);
    transition: opacity var(--d-fast) var(--ease-out),
                transform var(--d-fast) var(--ease-out);
    z-index: var(--z-dropdown);
}

.lang-switch[data-open="true"] .lang-switch__menu {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

.lang-switch__item {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 10px 14px;
    border-radius: var(--r-sm);
    color: var(--color-text-muted);
    font-size: var(--fz-sm);
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    font-feature-settings: "tnum" 1;
    transition: background-color var(--d-fast) var(--ease-out),
                color var(--d-fast) var(--ease-out);
}

.lang-switch__item:hover {
    background: var(--color-primary-soft);
    color: var(--color-primary-darker);
}

.lang-switch__item--current {
    background: var(--color-primary);
    color: #fff;
}

.lang-switch__item--current:hover {
    background: var(--color-primary-dark);
    color: #fff;
}

/* =========================================================
   Footer
   ========================================================= */
.site-footer {
    margin-top: var(--sp-11);
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
}

.site-footer__top {
    padding-block: var(--sp-9);
}

.site-footer__grid {
    display: grid;
    gap: var(--sp-7);
    grid-template-columns: 1.6fr repeat(2, 1fr);
}

@media (max-width: 900px) {
    .site-footer__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 600px) {
    .site-footer__grid { grid-template-columns: 1fr; gap: var(--sp-6); }
}

.site-footer__brand-block { display: flex; flex-direction: column; gap: var(--sp-3); max-width: 360px; }

.site-footer__about {
    color: var(--color-text-soft);
    font-size: var(--fz-sm);
    line-height: var(--lh-relaxed);
}

.site-footer__share-label {
    font-size: var(--fz-xs);
    color: var(--color-text-soft);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 600;
    margin-top: var(--sp-2);
}

.site-footer__social {
    display: flex;
    gap: var(--sp-2);
    align-items: center;
}

.social-icon {
    width: 36px;
    height: 36px;
    border-radius: var(--r-pill);
    background: var(--color-surface-alt);
    color: var(--color-text-muted);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: background-color var(--d-fast) var(--ease-out),
                color var(--d-fast) var(--ease-out),
                transform var(--d-fast) var(--ease-out);
}

.social-icon:hover {
    background: var(--color-primary);
    color: #fff;
    transform: translateY(-2px);
}

.social-icon svg { width: 16px; height: 16px; }

.site-footer__nav-heading {
    font-size: var(--fz-sm);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-text);
    font-weight: 700;
    margin-bottom: var(--sp-3);
}

.site-footer__nav-list { display: flex; flex-direction: column; gap: 10px; }

.site-footer__nav-list a {
    color: var(--color-text-soft);
    font-size: var(--fz-sm);
    transition: color var(--d-fast) var(--ease-out);
}

.site-footer__nav-list a:hover { color: var(--color-primary); }

.site-footer__bottom {
    padding-block: var(--sp-5);
    border-top: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    gap: var(--sp-3);
    align-items: flex-start;
}

@media (min-width: 768px) {
    .site-footer__bottom {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
}

.site-footer__legal {
    display: flex;
    flex-wrap: wrap;
    gap: var(--sp-4);
}

.site-footer__legal a {
    color: var(--color-text-soft);
    font-size: var(--fz-xs);
}

.site-footer__legal a:hover { color: var(--color-primary); }

.site-footer__copy {
    font-size: var(--fz-xs);
    color: var(--color-text-subtle);
}

.site-footer__disclaimer {
    grid-column: 1 / -1;
    margin-top: var(--sp-5);
    padding-top: var(--sp-5);
    border-top: 1px dashed var(--color-border);
    font-size: var(--fz-xs);
    color: var(--color-text-soft);
    line-height: var(--lh-relaxed);
}