/* ============================================
   Footer Styles
   ============================================ */

.site-footer {
    background-color: var(--bg-dark);
    color: rgba(255, 255, 255, 0.8);
    padding-top: 60px;
}

.footer__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    padding-bottom: 40px;
}

/* --- Brand Column --- */
.footer__brand {
    margin-bottom: 15px;
}

.footer__logo-img {
    height: 50px;
    width: auto;
    filter: brightness(0) invert(1);
}

.footer__description {
    font-size: 0.9rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.65);
}

/* --- Column Headings --- */
.footer__heading {
    color: var(--text-light);
    font-size: 1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer__heading::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: var(--color-teal);
}

/* --- Contact List --- */
.footer__contact-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 15px;
    font-size: 0.9rem;
}

.footer__contact-list li i {
    color: var(--color-teal);
    margin-top: 4px;
    width: 16px;
    text-align: center;
    flex-shrink: 0;
}

.footer__contact-list a {
    color: rgba(255, 255, 255, 0.8);
}

.footer__contact-list a:hover {
    color: var(--color-teal-light);
}

/* --- Quick Links --- */
.footer__links li {
    margin-bottom: 10px;
}

.footer__links a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    transition: color var(--transition-fast), padding-left var(--transition-fast);
}

.footer__links a:hover {
    color: var(--color-teal-light);
    padding-left: 5px;
}

/* --- Language Switcher --- */
.footer__lang-switcher {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.lang-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    background-color: rgba(255, 255, 255, 0.08);
    color: rgba(255, 255, 255, 0.7);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    transition: all var(--transition-fast);
}

.lang-btn span {
    font-weight: 700;
    color: var(--text-light);
}

.lang-btn:hover {
    background-color: rgba(255, 255, 255, 0.15);
    color: var(--text-light);
}

.lang-btn--active {
    background-color: var(--color-teal);
    color: var(--text-light);
}

.lang-btn--active:hover {
    background-color: var(--color-teal-dark);
}

/* --- Bottom Bar --- */
.footer__bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 20px 0;
    text-align: center;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.5);
}

/* --- Back to Top Button --- */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 45px;
    height: 45px;
    border-radius: var(--radius-round);
    background-color: var(--color-teal);
    color: var(--text-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition-normal);
    cursor: pointer;
    z-index: 900;
    border: none;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background-color: var(--color-teal-dark);
    transform: translateY(-3px);
}