/* ===== FOOTER STYLES - Clean & Modern ===== */
:root {
    --footer-bg: #0F1320;
    --footer-text: #E9EEF6;
    --footer-muted: #A7B1C5;
    --footer-line: rgba(255, 255, 255, 0.08);
    --pill: rgba(255, 255, 255, 0.08);
    --accent: #4F46E5;
    --radius: 12px;
}

.footer {
    background: var(--footer-bg);
    color: var(--footer-text);
    border-top: 1px solid var(--footer-line);
    position: relative;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
    gap: 28px;
    align-items: start;
    padding: 48px 0 32px;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.footer-brand-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 4px;
}

.footer-brand-logo img {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.footer-brand-name {
    font-weight: 700;
    font-size: 18px;
    color: var(--footer-text);
    margin: 0;
}

.footer-brand-desc {
    font-size: 14px;
    line-height: 1.6;
    color: var(--footer-muted);
    margin: 0;
}

.footer-title {
    font-weight: 700;
    font-size: 16px;
    color: var(--footer-text);
    margin-bottom: 12px;
}

.footer-link {
    display: block;
    color: var(--footer-text);
    text-decoration: none;
    font-size: 15px;
    line-height: 1.6;
    opacity: 0.9;
    transition: all 0.2s ease;
    margin: 8px 0;
}

.footer-link:hover {
    opacity: 1;
    text-decoration: underline;
    text-underline-offset: 3px;
}

.footer-link:focus-visible {
    outline: 2px solid #93C5FD;
    outline-offset: 2px;
    border-radius: 2px;
}

/* Social Icons */
.footer-social {
    display: flex;
    gap: 12px;
    margin-top: 12px;
}

.social-link {
    width: 36px;
    height: 36px;
    background: var(--pill);
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    transition: all 0.2s ease;
    border: none;
}

.social-link:hover {
    background: rgba(255, 255, 255, 0.14);
    color: #FFFFFF;
    transform: translateY(-1px);
}

.social-link:focus-visible {
    outline: 2px solid #93C5FD;
    outline-offset: 2px;
}

.social-link svg,
.social-link i {
    width: 20px;
    height: 20px;
    font-size: 20px;
}

/* Footer Bottom */
.footer-bottom {
    border-top: 1px solid var(--footer-line);
    padding: 20px 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
}

.footer-copyright {
    font-size: 14px;
    color: var(--footer-muted);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 12px;
}

.footer-counter {
    display: inline-flex;
    align-items: center;
    background: var(--pill);
    border-radius: 999px;
    padding: 4px 10px;
    font-size: 13px;
    font-weight: 500;
    color: var(--footer-text);
    font-variant-numeric: tabular-nums;
}

.counter-label {
    font-size: 12px;
    color: var(--footer-muted);
    margin-right: 6px;
}

/* Footer Lists */
.footer-nav {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-nav li {
    margin: 8px 0;
}

/* Contact Info */
.footer-contact-item {
    display: flex;
    align-items: start;
    gap: 12px;
    margin: 8px 0;
    font-size: 15px;
    color: var(--footer-muted);
}

.footer-contact-item i {
    width: 18px;
    height: 18px;
    margin-top: 2px;
    color: var(--footer-text);
    opacity: 0.9;
}

.footer-contact-item a {
    color: var(--footer-text);
    text-decoration: none;
    opacity: 0.9;
    transition: all 0.2s ease;
    font-size: 15px;
    line-height: 1.6;
}

.footer-contact-item a:hover {
    opacity: 1;
    text-decoration: underline;
    text-underline-offset: 3px;
}

.footer-contact-item a:focus-visible {
    outline: 2px solid #93C5FD;
    outline-offset: 2px;
    border-radius: 2px;
}

.footer-contact-item span {
    color: var(--footer-muted);
}

/* Hide empty columns */
.footer-col-hidden {
    display: none !important;
}

/* Responsive */
@media (min-width: 1024px) {
    .footer-grid {
        grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
        gap: 28px;
    }
}

@media (min-width: 641px) and (max-width: 1023px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 24px;
        padding: 40px 0 28px;
    }

    .footer-grid>div:first-child,
    .footer-grid>div:last-child {
        grid-column: 1 / -1;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: 12px;
    }

    .footer-copyright {
        justify-content: center;
    }

    .footer-brand {
        text-align: center;
    }

    .footer-brand-logo {
        justify-content: center;
    }

    .footer-social {
        justify-content: center;
    }

    .footer-section {
        text-align: center;
    }

    .footer-nav {
        text-align: center;
    }

    .footer-contact-item {
        justify-content: center;
    }
}

@media (max-width: 640px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 32px 0 24px;
    }

    .footer-link {
        width: 100%;
        padding: 8px 0;
        display: block;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: 12px;
        padding: 16px 0;
    }

    .footer-copyright {
        flex-direction: column;
        justify-content: center;
        gap: 8px;
        font-size: 13px;
    }

    .footer-brand {
        text-align: center;
    }

    .footer-brand-logo {
        justify-content: center;
    }

    .footer-brand-name {
        font-size: 16px;
    }

    .footer-brand-desc {
        font-size: 13px;
    }

    .footer-social {
        justify-content: center;
    }

    .footer-section {
        text-align: center;
        padding: 16px 0;
        border-bottom: 1px solid var(--footer-line);
    }

    .footer-section:last-child {
        border-bottom: none;
    }

    .footer-title {
        font-size: 15px;
        margin-bottom: 12px;
    }

    .footer-nav {
        text-align: center;
    }

    .footer-contact-item {
        justify-content: center;
        font-size: 14px;
    }

    .footer-hotline-group {
        flex-direction: column;
        gap: 8px;
    }

    .footer-hotline-card {
        width: 100%;
    }

    .footer-stats-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 6px;
    }

    .footer-stat-item {
        padding: 10px 6px;
    }

    .footer-stat-number {
        font-size: 16px;
    }

    .footer-stat-label {
        font-size: 10px;
    }

    .footer-visitor-counter {
        flex-direction: column;
        text-align: center;
        gap: 8px;
        padding: 16px;
    }

    .visitor-info {
        align-items: center;
    }

    .visitor-number {
        font-size: 20px;
    }
}

/* Extra small devices */
@media (max-width: 360px) {
    .footer-grid {
        padding: 24px 0 20px;
        gap: 16px;
    }

    .footer-brand-name {
        font-size: 15px;
    }

    .footer-brand-desc {
        font-size: 12px;
    }

    .footer-title {
        font-size: 14px;
    }

    .footer-link {
        font-size: 14px;
    }

    .footer-contact-item {
        font-size: 13px;
        gap: 8px;
    }

    .hotline-number {
        font-size: 16px;
    }

    .footer-stat-number {
        font-size: 14px;
    }

    .footer-stat-label {
        font-size: 9px;
    }

    .visitor-number {
        font-size: 18px;
    }
}

/* Accessibility */
.footer nav[aria-label="Footer"] {
    display: contents;
}

.footer a:focus-visible,
.footer button:focus-visible {
    outline: 2px solid #93C5FD;
    outline-offset: 2px;
    border-radius: 2px;
}

/* ===== FOOTER RIGHT COLUMN - Contact + Stats ===== */
.footer-right-col {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

/* Hotline Group */
.footer-hotline-group {
    display: flex;
    gap: 10px;
}

.footer-hotline-card {
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 10px 14px;
    text-decoration: none;
    transition: all 0.3s ease;
    flex: 1;
}

.footer-hotline-card:hover {
    background: rgba(79, 70, 229, 0.15);
    border-color: rgba(79, 70, 229, 0.4);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(79, 70, 229, 0.2);
}

.hotline-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: linear-gradient(135deg, #4F46E5, #7C3AED);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 14px;
    flex-shrink: 0;
}

.hotline-info {
    display: flex;
    flex-direction: column;
    gap: 1px;
}

.hotline-number {
    font-size: 18px;
    font-weight: 700;
    color: #fff;
    line-height: 1.2;
    letter-spacing: 0.5px;
}

.hotline-label {
    font-size: 11px;
    color: var(--footer-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 500;
}

/* Stats Grid */
.footer-stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}

.footer-stat-item {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.07);
    border-radius: 10px;
    padding: 12px 8px;
    text-align: center;
    transition: all 0.3s ease;
}

.footer-stat-item:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(79, 70, 229, 0.3);
    transform: translateY(-2px);
}

.footer-stat-number {
    display: block;
    font-size: 20px;
    font-weight: 700;
    color: #818CF8;
    line-height: 1.2;
    font-variant-numeric: tabular-nums;
}

.footer-stat-label {
    display: block;
    font-size: 11px;
    color: var(--footer-muted);
    margin-top: 4px;
    line-height: 1.3;
}

/* Responsive adjustments for right column */
@media (max-width: 640px) {
    .footer-hotline-group {
        flex-direction: column;
    }

    .footer-stats-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .footer-stat-number {
        font-size: 18px;
    }
}

@media (min-width: 641px) and (max-width: 1023px) {
    .footer-hotline-group {
        flex-direction: row;
    }
}

/* ===== VISITOR COUNTER CARD ===== */
.footer-visitor-counter {
    display: flex;
    align-items: center;
    gap: 12px;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.12), rgba(124, 58, 237, 0.08));
    border: 1px solid rgba(129, 140, 248, 0.2);
    border-radius: 12px;
    padding: 12px 16px;
    position: relative;
    overflow: hidden;
    margin-top: 4px;
}

.footer-visitor-counter::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, #4F46E5, #818CF8, #7C3AED);
    border-radius: 12px 12px 0 0;
}

.visitor-icon {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: linear-gradient(135deg, #4F46E5, #7C3AED);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 16px;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3);
}

.visitor-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
    flex: 1;
}

.visitor-label {
    font-size: 11px;
    color: var(--footer-muted);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    font-weight: 500;
}

.visitor-number {
    font-size: 22px;
    font-weight: 700;
    color: #818CF8;
    font-variant-numeric: tabular-nums;
    letter-spacing: 0.5px;
    line-height: 1.2;
}

.visitor-pulse {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #22C55E;
    flex-shrink: 0;
    position: relative;
    box-shadow: 0 0 6px rgba(34, 197, 94, 0.5);
}

.visitor-pulse::after {
    content: '';
    position: absolute;
    top: -3px;
    left: -3px;
    right: -3px;
    bottom: -3px;
    border-radius: 50%;
    border: 2px solid rgba(34, 197, 94, 0.4);
    animation: pulse-ring 2s ease-out infinite;
}

@keyframes pulse-ring {
    0% {
        transform: scale(1);
        opacity: 1;
    }

    100% {
        transform: scale(1.8);
        opacity: 0;
    }
}