/* ==========================================================================
   NCLI 2026 Modern UI System — Header & Footer Modern Layer
   File: css/modern/header-footer.css
   ========================================================================== */

/* ===== 1. HEADER GLASSMORPHISM & SCROLL STATE ===== */
.header {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky, 500);
  background-color: var(--glass-bg, rgba(255, 255, 255, 0.85));
  backdrop-filter: blur(var(--glass-blur, 16px));
  -webkit-backdrop-filter: blur(var(--glass-blur, 16px));
  border-bottom: 1px solid var(--color-border-subtle, rgba(226, 232, 240, 0.6));
  box-shadow: var(--shadow-sm);
  transition: padding var(--duration-normal) var(--ease-standard),
              background-color var(--duration-normal) var(--ease-standard),
              box-shadow var(--duration-normal) var(--ease-standard),
              border-color var(--duration-normal) var(--ease-standard);
}

/* Glass Fallback for browsers without backdrop-filter */
@supports not (backdrop-filter: blur(1px)) {
  .header {
    background-color: rgba(255, 255, 255, 0.96);
  }
  body.dark .header {
    background-color: rgba(15, 23, 42, 0.96);
  }
}

.header-inner {
  height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: height var(--duration-normal) var(--ease-standard);
}

/* Scroll State (.header-scrolled added by main.js) */
.header.header-scrolled {
  background-color: var(--glass-bg, rgba(255, 255, 255, 0.92));
  box-shadow: var(--shadow-md);
  border-bottom-color: var(--color-border);
}

.header.header-scrolled .header-inner {
  height: 64px;
}

/* ===== 2. BRAND LOGO ALIGNMENT ===== */
.header .logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  transition: transform var(--duration-fast) var(--ease-standard);
}

.header .logo:hover {
  transform: translateY(-1px);
}

/* ===== 3. NAVIGATION BAR & HOVER INDICATORS ===== */
.navbar {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-secondary);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-standard),
              background-color var(--duration-fast) var(--ease-standard);
}

/* Underline Hover & Active Indicator */
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 24px;
  height: 3px;
  background-color: var(--color-primary);
  border-radius: var(--radius-pill);
  transform: translateX(-50%) scaleX(0);
  transition: transform var(--duration-fast) var(--ease-spring);
}

.nav-link:hover {
  color: var(--color-primary);
  background-color: var(--color-primary-light);
}

.nav-link:hover::after,
.nav-link.active::after {
  transform: translateX(-50%) scaleX(1);
}

.nav-link.active {
  color: var(--color-primary);
  font-weight: var(--font-weight-bold);
  background-color: var(--color-primary-light);
}

/* Dropdown Menu Popover */
.nav-dropdown {
  position: relative;
}

.dropdown-menu {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--space-2);
  min-width: 220px;
}

.dropdown-menu a {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-3);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: all var(--duration-fast) var(--ease-standard);
}

.dropdown-menu a:hover {
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  transform: translateX(3px);
}

.dropdown-menu .dd-ico {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-surface-muted);
  color: var(--color-primary);
  border-radius: var(--radius-sm);
  font-size: 13px;
  transition: all var(--duration-fast) var(--ease-standard);
}

.dropdown-menu a:hover .dd-ico {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
}

/* ===== 4. HEADER ACTIONS & CTA BUTTON ===== */
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.header-cart-btn {
  position: relative;
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-surface-muted);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-standard);
}

.header-cart-btn:hover {
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  border-color: var(--color-primary-subtle);
  transform: translateY(-2px);
}

.header-cart-btn .cart-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
  font-size: 11px;
  font-weight: var(--font-weight-extrabold);
  padding: 2px 6px;
  border-radius: var(--radius-pill);
  border: 2px solid var(--color-surface);
}

/* Modern Header CTA ("Free Enquiry") */
.header-cta {
  padding: 10px 20px !important;
  font-size: var(--font-size-sm) !important;
  font-weight: var(--font-weight-bold) !important;
  border-radius: var(--radius-md) !important;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.28) !important;
  transition: all var(--duration-fast) var(--ease-standard) !important;
}

.header-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(37, 99, 235, 0.38) !important;
}

/* Theme Toggle Button Protection */
#themeToggle {
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--duration-fast) var(--ease-standard);
}

#themeToggle:hover {
  box-shadow: var(--shadow-md);
}

/* ===== 5. MOBILE NAVIGATION DOCK (FIXED BOTTOM BAR) ===== */
.mobile-nav-dock {
  background-color: var(--glass-bg, rgba(255, 255, 255, 0.9));
  backdrop-filter: blur(var(--glass-blur, 16px));
  -webkit-backdrop-filter: blur(var(--glass-blur, 16px));
  border-top: 1px solid var(--color-border);
  box-shadow: 0 -4px 20px rgba(15, 23, 42, 0.08);
  padding-bottom: max(6px, env(safe-area-inset-bottom));
}

.mobile-nav-dock a,
.mobile-nav-dock button {
  color: var(--color-text-muted);
  transition: color var(--duration-fast) var(--ease-standard);
}

.mobile-nav-dock a.active,
.mobile-nav-dock button.active {
  color: var(--color-primary);
  font-weight: var(--font-weight-bold);
}

/* ===== 6. FOOTER CONTAINER & GRID ===== */
.footer {
  background-color: var(--color-secondary);
  color: var(--color-text-muted);
  padding-top: var(--space-16);
  border-top: 1px solid var(--color-border-subtle);
  position: relative;
}

.footer-newsletter {
  background: linear-gradient(135deg, hsl(221, 83%, 48%), hsl(221, 83%, 58%));
  color: var(--color-text-inverse);
  padding: var(--space-6) var(--space-8);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  margin-bottom: var(--space-12);
}

.footer-newsletter h4 {
  color: var(--color-text-inverse);
  margin-bottom: var(--space-1);
}

.footer-newsletter p {
  color: rgba(255, 255, 255, 0.85);
  font-size: var(--font-size-sm);
  margin: 0;
}

.fn-form input[type="email"] {
  background-color: rgba(255, 255, 255, 0.95);
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  color: var(--color-secondary);
}

.fn-form input[type="email"]:focus {
  outline: none;
  background-color: #ffffff;
  box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.4);
}

.fn-form button {
  background-color: var(--color-secondary);
  color: var(--color-text-inverse);
  font-weight: var(--font-weight-bold);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-6);
  border: none;
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-standard);
}

.fn-form button:hover {
  background-color: var(--color-secondary-hover);
  transform: translateY(-1px);
}

/* Footer Grid & Links */
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1.5fr;
  gap: var(--space-8);
  margin-bottom: var(--space-12);
}

.footer-col h4 {
  color: var(--color-text-inverse);
  font-size: var(--font-size-lead);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-4);
}

.footer-col a {
  color: var(--color-text-muted);
  display: block;
  margin-bottom: var(--space-2);
  font-size: var(--font-size-sm);
  text-decoration: none;
  transition: all var(--duration-fast) var(--ease-standard);
}

.footer-col a:hover {
  color: var(--color-primary-subtle);
  transform: translateX(4px);
}

/* Social Media Icons */
.footer-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  background-color: rgba(255, 255, 255, 0.08);
  color: var(--color-text-inverse);
  border-radius: var(--radius-pill);
  margin-right: var(--space-2);
  transition: all var(--duration-fast) var(--ease-standard);
}

.footer-social a:hover {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow);
}

/* Bottom Bar */
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: var(--space-6) 0;
  text-align: center;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* ===== 7. FLOATING WIDGETS (WhatsApp & Back-to-Top) ===== */
.whatsapp-float {
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  transition: transform var(--duration-fast) var(--ease-standard),
              box-shadow var(--duration-fast) var(--ease-standard);
}

.whatsapp-float:hover {
  transform: translateY(-3px) scale(1.03);
  box-shadow: 0 8px 28px rgba(37, 211, 102, 0.5);
}

#backToTop {
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: opacity 0.3s var(--ease-standard),
              transform 0.3s var(--ease-standard),
              box-shadow 0.2s var(--ease-standard);
}

#backToTop:hover {
  box-shadow: 0 8px 22px rgba(37, 99, 235, 0.45);
}

/* ===== 8. RESPONSIVE MEDIA QUERIES ===== */
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6);
  }

  .whatsapp-float {
    bottom: 80px; /* Prevent overlap with mobile bottom dock */
  }

  #backToTop {
    bottom: 80px;
  }
}

@media (max-width: 480px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .footer-newsletter {
    padding: var(--space-4);
  }
}

/* ===== 9. GLOBAL SHOPPING CART DRAWER ===== */
.ncli-cart-overlay {
  position: fixed;
  inset: 0;
  z-index: 9998;
  background: rgba(2, 6, 23, 0.65);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.ncli-cart-overlay[hidden],
.ncli-cart-overlay:not(.open) {
  display: none !important;
}

.ncli-cart-drawer {
  position: fixed;
  right: 0;
  top: 0;
  z-index: 9999;
  width: min(420px, 92vw);
  max-width: 100vw;
  height: 100vh;
  display: none;
  flex-direction: column;
  background: #ffffff;
  box-shadow: -30px 0 80px rgba(2, 6, 23, 0.28);
  transform: translateX(105%);
  transition: transform 0.32s cubic-bezier(0.2, 0.8, 0.2, 1);
  visibility: hidden;
  pointer-events: none;
}

.ncli-cart-drawer:not(.open) {
  display: none !important;
  visibility: hidden !important;
}

.ncli-cart-drawer.open {
  display: flex !important;
  transform: translateX(0);
  visibility: visible !important;
  pointer-events: auto;
}

.cart-drawer-open {
  overflow: hidden;
}

.ncli-cart-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  padding: 20px 22px;
  border-bottom: 1px solid #e2e8f0;
  background: #f8fafc;
}

.ncli-cart-head span {
  display: block;
  color: #2563eb;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.ncli-cart-head strong {
  display: block;
  margin-top: 2px;
  color: #0f172a;
  font-size: 20px;
}

.ncli-cart-head button {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border: 0;
  border-radius: 10px;
  color: #0f172a;
  background: #e2e8f0;
  cursor: pointer;
  font-size: 16px;
}

.ncli-cart-items {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
}

.ncli-cart-empty {
  min-height: 250px;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 10px;
  text-align: center;
  color: #64748b;
}

.ncli-cart-empty i {
  display: grid;
  place-items: center;
  width: 64px;
  height: 64px;
  border-radius: 20px;
  color: #2563eb;
  background: #eff6ff;
  font-size: 24px;
}

.ncli-cart-empty h3 {
  color: #0f172a;
  font-size: 18px;
  margin: 0;
}

.ncli-cart-empty p {
  color: #64748b;
  font-size: 13px;
  margin: 0;
}

.ncli-cart-row {
  display: grid;
  grid-template-columns: 48px 1fr 32px;
  gap: 12px;
  align-items: start;
  padding: 12px;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  background: #fff;
  margin-bottom: 10px;
}

.ncli-cart-icon {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 12px;
  color: #2563eb;
  background: #eff6ff;
}

.ncli-cart-info strong {
  display: block;
  color: #0f172a;
  font-size: 13px;
  line-height: 1.35;
}

.ncli-cart-info > span {
  display: block;
  margin: 3px 0 6px;
  color: #64748b;
  font-size: 12px;
  font-weight: 700;
}

.ncli-cart-qty {
  display: inline-grid;
  grid-template-columns: 26px 38px 26px;
  overflow: hidden;
  border: 1px solid #cbd5e1;
  border-radius: 6px;
}

.ncli-cart-qty button,
.ncli-cart-qty input {
  width: 100%;
  height: 26px;
  border: 0;
  text-align: center;
  background: #fff;
  font-size: 12px;
  font-weight: 700;
}

.ncli-cart-remove {
  background: transparent;
  border: 0;
  color: #ef4444;
  cursor: pointer;
  padding: 4px;
}

.ncli-cart-foot {
  padding: 16px 20px;
  border-top: 1px solid #e2e8f0;
  background: #f8fafc;
}

.ncli-cart-total {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.ncli-cart-total span {
  color: #64748b;
  font-size: 13px;
  font-weight: 700;
}

.ncli-cart-total strong {
  color: #0f172a;
  font-size: 18px;
}

.ncli-cart-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 8px;
}

.ncli-cart-actions a {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 13px;
  text-decoration: none;
  border: 1px solid #cbd5e1;
  background: #fff;
  color: #0f172a;
}

.ncli-cart-actions a.primary {
  background: #2563eb;
  color: #fff;
  border-color: #2563eb;
}

.ncli-cart-clear {
  width: 100%;
  background: transparent;
  border: 0;
  color: #94a3b8;
  font-size: 12px;
  cursor: pointer;
  padding: 4px;
}

.ncli-cart-clear:hover {
  color: #ef4444;
}

body.dark .ncli-cart-drawer {
  background: #0f172a;
  border-left: 1px solid #334155;
}
body.dark .ncli-cart-head,
body.dark .ncli-cart-foot {
  background: #1e293b;
  border-color: #334155;
}
body.dark .ncli-cart-head strong,
body.dark .ncli-cart-empty h3,
body.dark .ncli-cart-info strong,
body.dark .ncli-cart-total strong {
  color: #f8fafc;
}
body.dark .ncli-cart-row {
  background: #1e293b;
  border-color: #334155;
}