/* ============================================
   Footer Styles - Thiên Long Shop
   Matching thienlong.vn design
   ============================================ */

/* Footer Top - Features */
.footer-top {
    background: var(--tl-white);
    border-top: 1px solid var(--tl-border-light);
    padding: 30px 0;
}

.footer-features {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--tl-space-lg);
}

.footer-feature {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 12px;
    border-radius: var(--tl-radius-md);
    transition: var(--tl-transition);
}

.footer-feature:hover {
    background: var(--tl-bg);
    transform: translateY(-2px);
}

.feature-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(17, 68, 148, 0.1), rgba(17, 68, 148, 0.05));
    border-radius: var(--tl-radius-full);
    color: var(--tl-primary);
    font-size: 20px;
    flex-shrink: 0;
}

.feature-text strong {
    display: block;
    font-size: var(--tl-font-size-sm);
    font-weight: 600;
    color: var(--tl-text);
    margin-bottom: 2px;
}

.feature-text span {
    font-size: var(--tl-font-size-xs);
    color: var(--tl-text-muted);
}

/* Footer Main - Dark blue like thienlong.vn */
.footer-main {
    background: var(--tl-primary);
    padding: 48px 0 36px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 40px;
}

.footer-col-info {
    padding-right: 20px;
}

.footer-logo {
    margin-bottom: 20px;
}

.footer-logo-img {
    max-height: 36px;
    filter: brightness(0) invert(1);
}

.footer-logo-text .logo-brand {
    color: var(--tl-white);
}

.footer-logo-text .logo-sub {
    color: rgba(255, 255, 255, 0.6);
}

.footer-logo-text .logo-icon {
    background: rgba(255,255,255,0.15);
}

.footer-company-info {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--tl-font-size-sm);
    line-height: 1.8;
}

.footer-company-info strong {
    color: var(--tl-white);
    font-size: var(--tl-font-size-base);
}

.footer-company-info p {
    margin-bottom: 6px;
}

.footer-company-info i {
    color: rgba(255,255,255,0.5);
    width: 16px;
    margin-right: 6px;
}

/* Footer Heading */
.footer-heading {
    color: var(--tl-white);
    font-size: var(--tl-font-size-md);
    font-weight: 600;
    margin-bottom: 18px;
    position: relative;
    padding-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.footer-heading::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 36px;
    height: 2px;
    background: rgba(255,255,255,0.4);
    border-radius: 1px;
}

.footer-heading-badges {
    margin-top: 28px;
}

/* Footer Menu */
.footer-menu li {
    margin-bottom: 10px;
}

.footer-menu li a {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--tl-font-size-sm);
    transition: var(--tl-transition);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.footer-menu li a::before {
    content: '›';
    color: rgba(255,255,255,0.4);
    font-size: 16px;
    font-weight: 700;
}

.footer-menu li a:hover {
    color: var(--tl-white);
    transform: translateX(4px);
}

/* Social Links */
.footer-social {
    display: flex;
    gap: 10px;
}

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--tl-radius-full);
    color: var(--tl-white);
    font-size: 16px;
    transition: var(--tl-transition);
}

.social-facebook { background: #1877F2; }
.social-youtube { background: #FF0000; }
.social-tiktok { background: #000000; border: 1px solid rgba(255,255,255,0.2); }
.social-instagram { background: linear-gradient(45deg, #f09433 0%,#e6683c 25%,#dc2743 50%,#cc2366 75%,#bc1888 100%); }
.social-zalo { background: #0068FF; }

.social-link:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    color: var(--tl-white);
}

/* Footer Badges */
.footer-badges {
    display: flex;
    gap: 12px;
}

.badge-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: var(--tl-radius-md);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.badge-item i {
    color: var(--tl-green);
    font-size: 20px;
}

.badge-item span {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--tl-font-size-xs);
    line-height: 1.3;
}

/* Footer Bottom */
.footer-bottom {
    background: #0a2d5e;
    padding: 16px 0;
}

.footer-bottom-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}

.copyright {
    color: rgba(255, 255, 255, 0.5);
    font-size: var(--tl-font-size-xs);
}

.footer-bottom-links {
    display: flex;
    gap: 20px;
}

.footer-bottom-links a {
    color: rgba(255, 255, 255, 0.5);
    font-size: var(--tl-font-size-xs);
    transition: var(--tl-transition);
}

.footer-bottom-links a:hover {
    color: var(--tl-white);
}

/* Floating Actions */
.floating-actions {
    position: fixed;
    bottom: 24px;
    right: 24px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: var(--tl-z-floating);
}

.float-btn {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--tl-radius-full);
    color: var(--tl-white);
    font-size: 20px;
    box-shadow: var(--tl-shadow-lg);
    transition: var(--tl-transition);
    cursor: pointer;
}

.float-btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--tl-shadow-xl);
    color: var(--tl-white);
}

.float-messenger { background: #0084FF; }
.float-zalo { background: #0068FF; }
.float-top {
    background: var(--tl-primary);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
}

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