/* ========================================
   PRESTIGE ESTATES — Header & Footer CSS
   Topbar, Navigation, Language Switcher,
   Mobile Menu, Footer
   ======================================== */

/* ══════════════════════════════════════════
   TOPBAR
   ══════════════════════════════════════════ */
.topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1001;
  height: var(--topbar-height);
  background: var(--topbar-bg, var(--color-primary));
  color: var(--topbar-text, rgba(255,255,255,0.7));
  font-family: var(--font-secondary, var(--font-primary));
  font-size: var(--topbar-font-size, 0.75rem);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.topbar-inner {
  max-width: var(--container-wide);
  margin: 0 auto;
  padding: 0 32px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.topbar-left,
.topbar-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.topbar-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--topbar-text, rgba(255,255,255,0.65));
  transition: color var(--t-fast) var(--ease-smooth);
  font-weight: 500;
  letter-spacing: 0.01em;
}

.topbar-item:hover {
  color: var(--topbar-accent, var(--color-accent));
}

.topbar-item svg {
  opacity: 0.5;
  flex-shrink: 0;
}

.topbar-divider {
  width: 1px;
  height: 14px;
  background: rgba(255, 255, 255, 0.12);
}

.topbar-social {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  color: var(--topbar-text, rgba(255,255,255,0.5));
  transition: all var(--t-fast) var(--ease-smooth);
}

.topbar-social:hover {
  color: var(--topbar-accent, var(--color-accent));
  background: rgba(255, 255, 255, 0.06);
}

.topbar-cta-link {
  color: var(--topbar-accent, var(--color-accent));
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: all var(--t-fast) var(--ease-smooth);
  position: relative;
}

.topbar-cta-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--topbar-accent, var(--color-accent));
  transition: width var(--t-base) var(--ease-smooth);
}

.topbar-cta-link:hover::after {
  width: 100%;
}

/* ══════════════════════════════════════════
   HEADER
   ══════════════════════════════════════════ */
.header {
  position: fixed;
  top: var(--topbar-height);
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  transition: all var(--t-base) var(--ease-smooth);
  background: var(--header-bg, transparent);
  border-bottom: var(--header-border, 1px solid rgba(0, 0, 0, 0.06));
  box-shadow: var(--header-shadow, 0 1px 12px rgba(0, 0, 0, 0.04));
}

.header.scrolled {
  background: var(--header-bg, rgba(255, 255, 255, 0.92));
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border-bottom: var(--header-border, 1px solid rgba(0, 0, 0, 0.06));
  box-shadow: var(--header-shadow, 0 1px 12px rgba(0, 0, 0, 0.04));
}

/* When scrolled, topbar hides => header goes to top */
.header.scrolled {
  top: 0;
}

.header-inner {
  max-width: var(--container-wide);
  margin: 0 auto;
  padding: 0 32px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.logo img {
  height: var(--logo-h, 32px);
  width: auto;
  transition: opacity var(--t-fast);
}

.logo:hover img {
  opacity: 0.7;
}

.brand-text {
  font-size: 1.125rem;
  font-weight: var(--heading-weight, 800);
  color: var(--header-text, var(--color-primary));
  letter-spacing: -0.03em;
  white-space: nowrap;
}

/* ══════════════════════════════════════════
   NAVIGATION
   ══════════════════════════════════════════ */
.nav-list {
  display: flex;
  align-items: center;
  gap: 2px;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 8px 18px;
  font-size: var(--nav-font-size, 0.875rem);
  font-weight: var(--nav-font-weight, 500);
  color: var(--header-text, var(--color-dark));
  border-radius: var(--radius-full);
  transition: all var(--t-fast) var(--ease-smooth);
  letter-spacing: -0.01em;
}

.nav-link:hover {
  color: var(--color-primary);
  background: rgba(26, 26, 46, 0.04);
}

.nav-link.active {
  color: var(--color-accent-dark);
}

.nav-chevron {
  width: 12px;
  height: 12px;
  transition: transform var(--t-fast) var(--ease-smooth);
  opacity: 0.5;
}

.nav-item-mega:hover .nav-chevron {
  transform: rotate(180deg);
}

/* ══════════════════════════════════════════
   MEGA MENU
   ══════════════════════════════════════════ */
.mega-menu {
  position: absolute;
  top: calc(var(--header-height) - 4px);
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: all var(--t-base) var(--ease-smooth);
  z-index: 100;
}

.nav-item-mega:hover .mega-menu {
  opacity: 1;
  visibility: visible;
  pointer-events: all;
  transform: translateX(-50%) translateY(0);
}

.mega-menu-inner {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: 28px 32px;
  display: grid;
  grid-template-columns: repeat(3, 200px);
  gap: 24px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.12), 0 0 0 1px rgba(0, 0, 0, 0.04);
}

.mega-menu-2col {
  grid-template-columns: repeat(2, 200px);
}

.mega-label {
  display: block;
  font-size: 0.625rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-accent);
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--color-gray-100);
}

.mega-link {
  display: block;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  transition: all var(--t-fast) var(--ease-smooth);
  margin-bottom: 2px;
}

.mega-link:hover {
  background: var(--color-gray-50);
}

.mega-link-title {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 2px;
  letter-spacing: -0.01em;
}

.mega-link:hover .mega-link-title {
  color: var(--color-accent-dark);
}

.mega-link-desc {
  display: block;
  font-size: 0.75rem;
  color: var(--color-gray-500);
}

/* ══════════════════════════════════════════
   HEADER ACTIONS
   ══════════════════════════════════════════ */
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn-header {
  background: var(--color-primary);
  color: var(--color-white);
  padding: 10px 24px;
  font-size: 0.8125rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all var(--t-base) var(--ease-smooth);
  display: inline-flex;
  align-items: center;
  font-family: var(--font-primary);
  letter-spacing: -0.01em;
}

.btn-header:hover {
  background: var(--color-gray-800);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(26, 26, 46, 0.25);
}

/* Login Button Style Variants */
.btn-header--outline {
  background: transparent;
  color: var(--header-text, var(--color-primary));
  border: 1.5px solid var(--color-gray-200);
}
.btn-header--outline:hover {
  background: var(--color-gray-50);
  border-color: var(--color-accent);
  color: var(--color-accent-dark);
  box-shadow: none;
}

.btn-header--primary {
  background: var(--color-primary);
  color: var(--color-white);
}

.btn-header--ghost {
  background: transparent;
  color: var(--header-text, var(--color-primary));
  border: none;
}
.btn-header--ghost:hover {
  background: rgba(26, 26, 46, 0.04);
  box-shadow: none;
}

.btn-header--pill {
  background: var(--color-accent);
  color: var(--color-white);
  border-radius: 999px;
  padding: 10px 28px;
}
.btn-header--pill:hover {
  background: var(--color-accent-dark);
}

/* accent (default) style */
.btn-header:not([class*="--"]) {
  background: var(--color-accent);
  color: var(--color-white);
}
.btn-header:not([class*="--"]):hover {
  background: var(--color-accent-dark);
}

/* ══════════════════════════════════════════
   LANGUAGE SWITCHER
   ══════════════════════════════════════════ */
.lang-switcher {
  position: relative;
}

.lang-current {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  background: transparent;
  border: 1.5px solid var(--color-gray-200);
  border-radius: var(--radius-full);
  cursor: pointer;
  font-family: var(--font-primary);
  font-size: 13px;
  font-weight: 600;
  color: var(--color-dark);
  transition: all var(--t-base) var(--ease-smooth);
  white-space: nowrap;
}

.lang-current:hover,
.lang-current.active {
  border-color: var(--color-accent);
  background: rgba(201, 169, 110, 0.04);
}

.lang-flag {
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

.lang-flag-svg {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  display: block;
  flex-shrink: 0;
  overflow: hidden;
  box-shadow: 0 0 0 1px rgba(0,0,0,0.08);
}

.lang-code {
  letter-spacing: 0.5px;
}

.lang-chevron {
  width: 10px;
  height: 10px;
  transition: transform 0.3s var(--ease-smooth);
  opacity: 0.4;
}

.lang-current.active .lang-chevron {
  transform: rotate(180deg);
}

/* Dropdown */
.lang-dropdown {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: 0 12px 40px rgba(0,0,0,0.1), 0 0 0 1px rgba(0,0,0,0.04);
  min-width: 200px;
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px) scale(0.97);
  transform-origin: top right;
  transition: all 0.25s var(--ease-smooth);
  z-index: 1001;
}

.lang-dropdown.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

.lang-dropdown-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px 10px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-gray-400);
  border-bottom: 1px solid rgba(0,0,0,0.05);
  margin-bottom: 4px;
}

.lang-globe {
  width: 14px;
  height: 14px;
  color: var(--color-gray-400);
}

.lang-option {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--radius-md);
  color: var(--color-dark);
  font-size: 14px;
  font-weight: 500;
  transition: all 0.2s var(--ease-smooth);
}

.lang-option:hover {
  background: var(--color-gray-50);
}

.lang-option.active {
  background: rgba(201, 169, 110, 0.06);
}

.lang-option.active .lang-name {
  color: var(--color-accent-dark);
  font-weight: 600;
}

.lang-name {
  flex: 1;
  line-height: 1;
}

.lang-option-code {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--color-gray-400);
  padding: 2px 6px;
  background: var(--color-gray-100);
  border-radius: var(--radius-xs);
}

.lang-option.active .lang-option-code {
  color: var(--color-accent-dark);
  background: rgba(201, 169, 110, 0.1);
}

.lang-check {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--color-accent);
  color: #fff;
  flex-shrink: 0;
}

.lang-check svg {
  width: 12px;
  height: 12px;
}

/* ══════════════════════════════════════════
   HAMBURGER
   ══════════════════════════════════════════ */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  gap: 6px;
  padding: 8px;
}

.hamburger span {
  display: block;
  width: 20px;
  height: 1.5px;
  background: var(--color-dark);
  border-radius: 2px;
  transition: all var(--t-base) var(--ease-smooth);
  transform-origin: center;
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(3px, 5px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

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

/* ══════════════════════════════════════════
   MOBILE MENU
   ══════════════════════════════════════════ */
.mobile-menu {
  display: none;
  position: fixed;
  top: calc(var(--topbar-height) + var(--header-height));
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-white);
  z-index: 9999;
  padding: 24px 24px 40px;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  transform: translateY(-20px);
  opacity: 0;
  visibility: hidden;
  transition: all var(--t-base) var(--ease-smooth);
}

.mobile-menu.active {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
}

.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.mobile-nav-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--color-dark);
  border-radius: var(--radius-sm);
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-primary);
  width: 100%;
  text-align: left;
}

.mobile-nav-link:hover {
  background: var(--color-gray-50);
}

.mobile-nav-toggle .nav-chevron {
  transition: transform var(--t-fast);
}

.mobile-nav-toggle.active .nav-chevron {
  transform: rotate(180deg);
}

.mobile-submenu {
  display: none;
  padding-left: 16px;
}

.mobile-submenu.active {
  display: block;
}

.mobile-sub-link {
  display: block;
  padding: 10px 16px;
  font-size: 0.9375rem;
  color: var(--color-gray-600);
  border-radius: var(--radius-sm);
}

.mobile-sub-link:hover {
  background: var(--color-gray-50);
  color: var(--color-accent-dark);
}

.mobile-cta {
  margin-top: 24px;
}

/* Mobile Language Switcher */
.mobile-lang-switcher {
  display: flex;
  gap: 8px;
  padding: 16px 0;
  margin-top: 8px;
  border-top: 1px solid var(--color-gray-100);
}

.mobile-lang-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 600;
  color: var(--color-dark);
  background: var(--color-gray-50);
  transition: all 0.2s ease;
  flex: 1;
  justify-content: center;
}

.mobile-lang-btn .lang-flag-svg {
  width: 18px;
  height: 18px;
}

.mobile-lang-btn:hover {
  background: rgba(201, 169, 110, 0.08);
}

.mobile-lang-btn.active {
  background: var(--color-primary);
  color: #fff;
}

/* ══════════════════════════════════════════
   FOOTER
   ══════════════════════════════════════════ */
.footer {
  background: var(--footer-bg, #0a0a0a);
  color: var(--footer-text, #888);
  font-size: var(--footer-font-size, 14px);
  padding-top: var(--footer-padding, 80px);
}

.footer-top {
  display: grid;
  grid-template-columns: 1.2fr 2fr;
  gap: 80px;
  padding-bottom: 60px;
  border-bottom: 1px solid var(--footer-border, rgba(255,255,255,0.08));
}

.footer-logo {
  height: 28px;
  margin-bottom: 20px;
  filter: brightness(0) invert(1);
  opacity: 0.9;
}

.footer-desc {
  font-family: var(--font-secondary, var(--font-primary));
  font-size: 0.9375rem;
  line-height: 1.7;
  margin-bottom: 28px;
  max-width: 320px;
  color: var(--footer-text, #888);
}

.footer-social {
  display: flex;
  gap: 8px;
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--footer-text, #888);
  transition: all var(--t-fast) var(--ease-smooth);
}

.social-link svg {
  width: 18px;
  height: 18px;
}

.social-link:hover {
  border-color: var(--footer-accent, #c9a96e);
  color: var(--footer-accent, #c9a96e);
  background: rgba(201, 169, 110, 0.08);
  transform: translateY(-2px);
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.footer-col-title {
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--footer-heading, #fff);
  margin-bottom: 20px;
}

.footer-col a {
  display: block;
  padding: 6px 0;
  font-size: 0.875rem;
  color: var(--footer-text, #888);
  transition: all var(--t-fast) var(--ease-smooth);
}

.footer-col a:hover {
  color: var(--footer-heading, #fff);
  transform: translateX(4px);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28px 0;
  font-size: 0.8125rem;
  color: var(--footer-text, #888);
  opacity: 0.6;
}

.footer-bottom-right {
  display: flex;
  align-items: center;
  gap: 24px;
}

.footer-bottom-links {
  display: flex;
  gap: 24px;
}

.footer-bottom-links a {
  color: var(--footer-text, #888);
  transition: color var(--t-fast) var(--ease-smooth);
}

.footer-bottom-links a:hover {
  color: var(--footer-accent, #c9a96e);
  opacity: 1;
}

.footer-powered-by {
  color: var(--footer-text, #888);
  font-size: 0.75rem;
  white-space: nowrap;
}

.footer-powered-by a {
  color: var(--footer-accent, #c9a96e);
  font-weight: 600;
  transition: opacity var(--t-fast) var(--ease-smooth);
}

.footer-powered-by a:hover {
  opacity: 0.8;
}

/* ══════════════════════════════════════════
   RESPONSIVE — Topbar & Header
   ══════════════════════════════════════════ */
@media (max-width: 1024px) {
  .nav {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .mobile-menu {
    display: block;
  }
}

@media (max-width: 768px) {
  .topbar {
    display: none;
  }

  .header {
    top: 0;
  }

  .mobile-menu {
    top: var(--header-height);
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .footer-links {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

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

  .footer-bottom-right {
    flex-direction: column;
    gap: 12px;
  }
}

@media (max-width: 480px) {
  .header-inner {
    padding: 0 16px;
  }

  .footer-links {
    grid-template-columns: 1fr;
  }

  .footer-bottom-links {
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
  }

  .footer-desc {
    font-size: 0.875rem;
  }

  .footer-col a {
    font-size: 0.8125rem;
  }
}