/* ============================================
   LanovaPay Layouts
   Header, footer, grids, page structures
   ============================================ */

/* ─── Site Header ─── */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-fixed);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--neutral-200);
  transition: all var(--duration-base) var(--ease-out);
}

.site-header.scrolled {
  box-shadow: var(--shadow-sm);
  border-bottom-color: transparent;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.header-logo img {
  height: 48px;
  width: auto;
  object-fit: contain;
  transition: transform var(--duration-fast) var(--ease-out);
}

.header-logo:hover img {
  transform: scale(1.03);
}

.header-nav {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.header-nav a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--neutral-600);
  position: relative;
  padding: var(--space-2) 0;
  transition: color var(--duration-fast) var(--ease-out);
}

.header-nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-brand);
  transition: width var(--duration-base) var(--ease-out);
}

.header-nav a:hover,
.header-nav a.active {
  color: var(--color-primary);
}

.header-nav a:hover::after,
.header-nav a.active::after {
  width: 100%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* Mobile Menu Toggle */
.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: var(--space-2);
  z-index: calc(var(--z-fixed) + 10);
}

.mobile-toggle span {
  width: 24px;
  height: 2px;
  background: var(--neutral-800);
  transition: all var(--duration-base) var(--ease-out);
  border-radius: 1px;
}

.mobile-toggle.open span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.mobile-toggle.open span:nth-child(2) {
  opacity: 0;
}

.mobile-toggle.open span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Nav Overlay */
.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--neutral-0);
  z-index: var(--z-fixed);
  padding: calc(72px + var(--space-8)) var(--space-6) var(--space-6);
  flex-direction: column;
  gap: var(--space-4);
  opacity: 0;
  transform: translateY(-10px);
  transition: all var(--duration-base) var(--ease-out);
}

.mobile-nav.open {
  display: flex;
  opacity: 1;
  transform: translateY(0);
}

.mobile-nav a {
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--neutral-800);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--neutral-100);
}

.mobile-nav a:hover { color: var(--color-primary); }

/* ─── Site Footer ─── */
.site-footer {
  background: var(--navy-900);
  color: white;
  padding: var(--space-16) 0 var(--space-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: var(--space-8);
  margin-bottom: var(--space-12);
}

.footer-brand p {
  color: rgba(255,255,255,0.7);
  font-size: var(--text-sm);
  margin-top: var(--space-4);
  line-height: var(--leading-relaxed);
}

.footer-brand .footer-logo {
  height: 44px;
  margin-bottom: var(--space-4);
}

.footer-brand .footer-address {
  margin-top: var(--space-4);
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.55);
  line-height: var(--leading-relaxed);
}

.footer-social {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-5);
}

.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--duration-fast) var(--ease-out);
}

.footer-social a:hover {
  background: var(--color-accent);
  transform: translateY(-2px);
}

.footer-social a svg {
  width: 16px;
  height: 16px;
  fill: white;
}

.footer-column h4 {
  font-size: var(--text-sm);
  font-weight: 600;
  color: white;
  margin-bottom: var(--space-4);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
}

.footer-column ul { display: flex; flex-direction: column; gap: var(--space-3); }

.footer-column a {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.6);
  transition: color var(--duration-fast) var(--ease-out);
}

.footer-column a:hover { color: white; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  text-align: center;
}

.footer-bottom p {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.5);
}

.footer-bottom .company-details {
  color: rgba(255,255,255,0.55);
}

.footer-bottom .regulatory-footer {
  color: rgba(255,255,255,0.5);
  font-style: italic;
}

/* ─── Grid System ─── */
.grid {
  display: grid;
  gap: var(--space-6);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-6 { grid-template-columns: repeat(6, 1fr); }

.grid-hero {
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
}

.grid-sidebar {
  grid-template-columns: 280px 1fr;
  gap: var(--space-8);
}

/* ─── Page Shell ─── */
.page-content {
  padding-top: 72px; /* Header height */
  min-height: 100vh;
}

.page-hero {
  padding: var(--space-16) 0 var(--space-12);
  background: var(--gradient-hero);
}

.page-hero-dark {
  padding: var(--space-16) 0 var(--space-12);
  background: var(--gradient-dark);
  color: white;
}

.page-hero-dark h1, .page-hero-dark h2 { color: white; }
.page-hero-dark p { color: rgba(255,255,255,0.75); }

/* ─── Two-Column Layout ─── */
.split-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
}

.split-layout-reverse {
  direction: rtl;
}

.split-layout-reverse > * {
  direction: ltr;
}

/* ─── Sticky Sidebar Nav (Trust page etc) ─── */
.sticky-nav {
  position: sticky;
  top: calc(72px + var(--space-6));
  height: fit-content;
}

.sticky-nav a {
  display: block;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  color: var(--neutral-500);
  border-left: 2px solid var(--neutral-200);
  transition: all var(--duration-fast) var(--ease-out);
}

.sticky-nav a:hover,
.sticky-nav a.active {
  color: var(--color-primary);
  border-left-color: var(--color-primary);
  background: var(--purple-50);
}

/* ─── Responsive ─── */
@media (max-width: 1024px) {
  .grid-hero { grid-template-columns: 1fr; gap: var(--space-8); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .split-layout { grid-template-columns: 1fr; gap: var(--space-8); }
  .grid-sidebar { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .header-nav,
  .header-actions { display: none; }
  
  .mobile-toggle { display: flex; }
  
  .header-inner { height: 64px; }
  .page-content { padding-top: 64px; }
  .page-hero { padding: var(--space-12) 0 var(--space-8); }
  
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .grid-6 { grid-template-columns: repeat(3, 1fr); }
  
  .footer-grid { 
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  .footer-bottom {
    text-align: left;
  }
}

@media (max-width: 480px) {
  .grid-6 { grid-template-columns: repeat(2, 1fr); }
}