/* ==========================================================================
   Layout Architecture: Header, Navigation Panel, Grids & Footer
   Aurelia Luxury Property Developments
   ========================================================================== */

/* --------------------------------------------------------------------------
   Containers & Spacing
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: clamp(1.25rem, 4vw, 3.5rem);
  padding-right: clamp(1.25rem, 4vw, 3.5rem);
}

.container-wide {
  width: 100%;
  max-width: 1600px;
  margin-left: auto;
  margin-right: auto;
  padding-left: clamp(1.25rem, 4vw, 4rem);
  padding-right: clamp(1.25rem, 4vw, 4rem);
}

.container-narrow {
  width: 100%;
  max-width: var(--container-narrow);
  margin-left: auto;
  margin-right: auto;
  padding-left: clamp(1.25rem, 4vw, 2.5rem);
  padding-right: clamp(1.25rem, 4vw, 2.5rem);
}

.section {
  padding-top: clamp(4rem, 8vw, 7.5rem);
  padding-bottom: clamp(4rem, 8vw, 7.5rem);
  position: relative;
}

.section-hero {
  padding-top: clamp(8rem, 14vw, 12rem);
  padding-bottom: clamp(4rem, 8vw, 6.5rem);
}

.section-sm {
  padding-top: clamp(2.5rem, 5vw, 4.5rem);
  padding-bottom: clamp(2.5rem, 5vw, 4.5rem);
}

/* Backgrounds: Light Theme (Default: White Background #ffffff) */
.bg-dark {
  background-color: var(--color-light);
  color: var(--color-text-dark);
  transition: background-color 0.4s ease, color 0.4s ease;
}

.bg-dark-surface {
  background-color: var(--color-light-surface);
  color: var(--color-text-dark);
  transition: background-color 0.4s ease, color 0.4s ease;
}

.bg-light {
  background-color: var(--color-light);
  color: var(--color-text-dark);
}

.bg-light-surface {
  background-color: var(--color-light-surface);
  color: var(--color-text-dark);
}

/* Backgrounds: Dark Theme (Shifted: Black Background #000000) */
body.theme-dark .bg-dark {
  background-color: var(--color-dark);
  color: var(--color-text-white);
}

body.theme-dark .bg-dark-surface {
  background-color: var(--color-dark-surface);
  color: var(--color-text-white);
}

/* --------------------------------------------------------------------------
   Header / Masthead Layout (Reference: HRE Group Top Bar)
   -------------------------------------------------------------------------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: var(--z-header);
  transition: background-color 0.4s ease, border-color 0.4s ease, backdrop-filter 0.4s ease, height 0.4s ease;
  background-color: transparent;
  border-bottom: 1px solid transparent;
}

/* Header on dark background or over hero video */
.site-header.header-dark {
  color: var(--color-text-white);
}

/* Header on light page background */
.site-header.header-light {
  color: var(--color-text-dark);
}

/* Scrolled state – subtle luxury frosted glass */
.site-header.is-scrolled {
  height: 74px;
}

.site-header.header-dark.is-scrolled {
  background-color: rgba(0, 0, 0, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-dark-border);
}

.site-header.header-light.is-scrolled {
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  position: relative;
}

/* Left: Social Navigation */
.header-left {
  display: flex;
  align-items: center;
  flex: 1;
}

/* Center: Brand Identity */
.header-center {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.site-logo-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.site-logo-link:hover {
  opacity: 0.85;
  transform: translateY(-1px);
}

.site-logo-img {
  height: 52px;
  width: auto;
  max-width: 220px;
  object-fit: contain;
  display: block;
}

.footer-logo-img {
  height: 58px;
  width: auto;
  max-width: 240px;
  object-fit: contain;
  display: block;
  margin-bottom: 0.85rem;
}

/* Text-based logo fallback/styling */
.brand-mark {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  line-height: 1;
}

.brand-mark-title {
  font-family: var(--font-serif);
  font-size: 1.65rem;
  letter-spacing: 0.28em;
  font-weight: 500;
  text-transform: uppercase;
  margin-right: -0.28em; /* Offset trailing letter-spacing */
}

.brand-mark-sub {
  font-family: var(--font-sans);
  font-size: 0.58rem;
  letter-spacing: 0.42em;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-top: 4px;
  margin-right: -0.42em;
}

/* Right: Menu Toggle */
.header-right {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex: 1;
}

/* --------------------------------------------------------------------------
   Sidebar Navigation Panel (Portfolio Style Slide-in Menu)
   -------------------------------------------------------------------------- */
.nav-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(8, 9, 10, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: var(--z-backdrop);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.5s var(--ease-out-expo);
}

body.nav-open .nav-backdrop {
  opacity: 1;
  pointer-events: auto;
}

#navpanel {
  position: fixed;
  top: 0;
  right: 0;
  width: min(500px, 100vw);
  height: 100vh;
  height: 100dvh;
  background-color: var(--color-light);
  color: var(--color-text-dark);
  border-left: 1px solid rgba(0, 0, 0, 0.08);
  z-index: var(--z-navpanel);
  display: flex;
  flex-direction: column;
  box-shadow: -10px 0 40px rgba(0, 0, 0, 0.15);
  transform: translateX(100%);
  transition: transform 0.65s var(--ease-out-expo), background-color 0.4s ease, color 0.4s ease;
  overflow-y: auto;
  overscroll-behavior: contain;
}

body.theme-dark #navpanel {
  background-color: var(--color-dark-surface);
  color: var(--color-text-white);
  border-left: 1px solid var(--color-dark-border);
  box-shadow: -10px 0 40px rgba(0, 0, 0, 0.5);
}

body.nav-open #navpanel {
  transform: translateX(0);
}

.navpanel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.75rem 2.5rem;
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

body.theme-dark .navpanel-header {
  border-bottom: 1px solid var(--color-dark-border-subtle);
}

.navpanel-title {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-gold);
  font-weight: 600;
}

.navpanel-close-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  color: var(--color-text-dark);
  transition: color var(--transition-fast), transform var(--transition-fast);
}

body.theme-dark .navpanel-close-btn {
  color: var(--color-text-white);
}

.navpanel-close-btn:hover {
  color: var(--color-gold);
  transform: rotate(90deg);
}

.navpanel-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 3rem 2.5rem;
}

/* Strictly the 5 tabs */
.primary-nav-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.primary-nav-item {
  position: relative;
  overflow: hidden;
}

.primary-nav-link {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 2.75rem);
  line-height: 1.15;
  color: var(--color-text-dark);
  letter-spacing: 0.04em;
  transition: color var(--transition-fast), transform var(--transition-fast);
  padding: 0.25rem 0;
}

body.theme-dark .primary-nav-link {
  color: var(--color-text-white);
}

.nav-link-number {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  color: var(--color-gold);
  margin-right: 1.25rem;
  opacity: 0.8;
  transform: translateY(-0.5rem);
}

.primary-nav-link:hover {
  color: var(--color-gold);
  transform: translateX(10px);
}

.primary-nav-item.active .primary-nav-link {
  color: var(--color-gold);
}

.primary-nav-item.active .primary-nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 2.5rem;
  height: 1px;
  background-color: var(--color-gold);
}

.navpanel-footer {
  padding: 2.5rem;
  border-top: 1px solid rgba(0, 0, 0, 0.08);
  background-color: rgba(250, 250, 250, 0.9);
}

body.theme-dark .navpanel-footer {
  border-top: 1px solid var(--color-dark-border-subtle);
  background-color: rgba(8, 9, 10, 0.4);
}

.navpanel-contact-block {
  margin-bottom: 1.75rem;
}

.navpanel-contact-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-gold);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.navpanel-contact-value {
  font-size: 0.95rem;
  color: var(--color-text-dark-muted);
  line-height: 1.5;
}

body.theme-dark .navpanel-contact-value {
  color: var(--color-text-light-muted);
}

.navpanel-contact-value a:hover {
  color: var(--color-gold);
}

.navpanel-socials {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

/* --------------------------------------------------------------------------
   Site Footer (Editorial Architecture & Monograph)
   -------------------------------------------------------------------------- */
.site-footer {
  background-color: var(--color-light);
  color: var(--color-text-dark);
  border-top: 1px solid rgba(0, 0, 0, 0.08);
  padding-top: clamp(4.5rem, 8vw, 7rem);
  padding-bottom: clamp(2.5rem, 5vw, 4rem);
  position: relative;
  transition: background-color 0.4s ease, color 0.4s ease, border-color 0.4s ease;
}

body.theme-dark .site-footer {
  background-color: var(--color-dark);
  color: var(--color-text-white);
  border-top: 1px solid var(--color-dark-border);
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1.25fr 1fr;
  gap: clamp(2rem, 4vw, 4.5rem);
  margin-bottom: clamp(3.5rem, 6vw, 5rem);
}

.footer-brand-title {
  font-size: 1.85rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
  color: var(--color-text-dark);
}

body.theme-dark .footer-brand-title {
  color: var(--color-text-white);
}

.footer-brand-tagline {
  font-size: 0.9rem;
  color: var(--color-gold);
  letter-spacing: 0.1em;
  margin-bottom: 1.5rem;
}

.footer-brand-desc {
  font-size: 0.925rem;
  color: var(--color-text-dark-muted);
  max-width: 380px;
  line-height: 1.7;
}

body.theme-dark .footer-brand-desc {
  color: var(--color-text-light-muted);
}

.footer-col-title {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.25em;
  color: var(--color-gold);
  margin-bottom: 1.75rem;
}

.footer-nav-list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.footer-nav-link {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  letter-spacing: 0.03em;
  color: var(--color-text-dark-muted);
  transition: color var(--transition-fast), transform var(--transition-fast);
  display: inline-block;
}

body.theme-dark .footer-nav-link {
  color: var(--color-text-light-muted);
}

.footer-nav-link:hover {
  color: var(--color-gold);
  transform: translateX(4px);
}

body.theme-dark .footer-nav-link:hover {
  color: var(--color-text-white);
}

.footer-contact-item {
  font-size: 0.95rem;
  color: var(--color-text-dark-muted);
  line-height: 1.65;
  margin-bottom: 1.25rem;
}

body.theme-dark .footer-contact-item {
  color: var(--color-text-light-muted);
}

.footer-contact-item a:hover {
  color: var(--color-gold);
}

.footer-bottom {
  border-top: 1px solid rgba(0, 0, 0, 0.08);
  padding-top: 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
  font-size: 0.825rem;
  color: var(--color-text-dark-dim);
}

body.theme-dark .footer-bottom {
  border-top: 1px solid var(--color-dark-border-subtle);
  color: var(--color-text-light-dim);
}

.footer-legal-links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.footer-legal-links a:hover {
  color: var(--color-text-dark);
}

body.theme-dark .footer-legal-links a:hover {
  color: var(--color-text-light-muted);
}

/* --------------------------------------------------------------------------
   Grid Systems
   -------------------------------------------------------------------------- */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(1.75rem, 3.5vw, 3.5rem);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.5rem, 3vw, 3rem);
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(1.25rem, 2.5vw, 2.5rem);
}

.split-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 5.5rem);
  align-items: center;
}

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

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