/* ===== 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;
  }
}