/* =========================================================================
   XANTIA UNIFIED LUXURY MENU DRAWER & UNITS POP-UP (ÓRBITA 360)
   ========================================================================= */
:root {
  --xantia-gold: #C9A84C;
  --xantia-gold-hover: #DFC168;
  --xantia-gold-glow: rgba(201, 168, 76, 0.45);
  --xantia-glass-bg: rgba(10, 16, 26, 0.88);
  --xantia-glass-border: rgba(255, 255, 255, 0.14);
  --xantia-glass-border-light: rgba(255, 255, 255, 0.08);
  --xantia-font-brand: 'Cinzel', serif;
  --xantia-font-ui: 'Montserrat', sans-serif;
}

/* Backdrop del Menú (Acelerado por Hardware) */
.menu-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(4, 8, 16, 0.72);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  visibility: hidden;
  will-change: opacity, visibility;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}
.menu-backdrop.open {
  opacity: 1;
  pointer-events: auto;
  visibility: visible;
}

/* Cápsula Flotante del Drawer (GPU 60fps Animation) */
.menu-drawer-bubble {
  position: fixed;
  top: 16px;
  bottom: 16px;
  left: 16px;
  width: min(390px, calc(100vw - 32px));
  background: rgba(10, 16, 26, 0.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--xantia-glass-border);
  border-radius: 28px;
  box-shadow: inset 0 1px 0 0 rgba(255, 255, 255, 0.15), 0 20px 50px rgba(0, 0, 0, 0.85);
  z-index: 1010;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  will-change: transform;
  transform: translate3d(calc(-100% - 24px), 0, 0);
  transition: transform 0.32s cubic-bezier(0.2, 0.9, 0.3, 1);
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  font-family: var(--xantia-font-ui);
}
.menu-drawer-bubble.open {
  transform: translate3d(0, 0, 0);
}

/* Cabecera del Drawer (Logo XANTIA + Botón Volver ← + Datos del Proyecto) */
.drawer-header-block {
  padding: 28px 28px 20px 28px;
  border-bottom: 1px solid var(--xantia-glass-border-light);
  display: flex;
  flex-direction: column;
  gap: 16px;
  flex-shrink: 0;
}
.drawer-top-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.drawer-logo-title {
  font-family: var(--xantia-font-brand);
  font-size: 38px;
  font-weight: 400;
  letter-spacing: 0.22em;
  color: var(--xantia-gold);
  line-height: 1;
  text-shadow: 0 2px 20px rgba(201, 168, 76, 0.25);
}
.btn-close-drawer {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--xantia-glass-border);
  color: #CBD5E1;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.25s ease;
}
.btn-close-drawer:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.3);
  color: #FFFFFF;
  transform: scale(1.06);
}

.drawer-project-meta {
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.drawer-meta-title {
  font-size: 15px;
  font-weight: 600;
  color: #FFFFFF;
  letter-spacing: 0.04em;
}
.drawer-meta-location {
  font-size: 12px;
  color: #94A3B8;
  display: flex;
  align-items: center;
  gap: 6px;
}
.drawer-meta-location svg {
  color: var(--xantia-gold);
  flex-shrink: 0;
}

/* Contenedor con Scroll Continuo (Lista de Menús + Redes al Final) */
.drawer-scroll-body {
  flex: 1;
  overflow-y: auto;
  padding: 16px 20px 24px 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

/* Ítems del Menú */
.drawer-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  border-radius: 16px;
  color: #E2E8F0;
  font-size: 14.5px;
  font-weight: 400;
  letter-spacing: 0.03em;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.25s ease;
}
.drawer-item-left {
  display: flex;
  align-items: center;
  gap: 16px;
}
.drawer-item:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #FFFFFF;
  transform: translateX(4px);
}
.drawer-item.active {
  background: rgba(201, 168, 76, 0.16);
  border-left: 3.5px solid var(--xantia-gold);
  color: var(--xantia-gold);
  font-weight: 600;
}
.drawer-item-icon {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--xantia-gold);
  flex-shrink: 0;
}

/* Sección de Redes y Firma al Final del Scroll */
.drawer-scroll-footer {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--xantia-glass-border-light);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}
.drawer-social-row {
  display: flex;
  justify-content: center;
  gap: 12px;
  width: 100%;
}
.drawer-social-btn {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--xantia-glass-border-light);
  color: #CBD5E1;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.25s ease;
}
.drawer-social-btn:hover {
  background: var(--xantia-gold);
  border-color: var(--xantia-gold);
  color: #070B12;
  transform: scale(1.1);
  box-shadow: 0 0 15px var(--xantia-gold-glow);
}
.drawer-powered-by {
  font-size: 9.5px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(253, 250, 245, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}
.drawer-powered-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--xantia-gold);
}

/* =========================================================================
   MODAL POP-UP SELECTOR DE TIPOLOGÍAS
   ========================================================================= */
.units-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(3, 7, 14, 0.78);
  backdrop-filter: blur(14px) saturate(180%);
  -webkit-backdrop-filter: blur(14px) saturate(180%);
  z-index: 1100;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  font-family: var(--xantia-font-ui);
}
.units-modal-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}

.units-modal-card {
  width: 100%;
  max-width: 820px;
  background: var(--xantia-glass-bg);
  backdrop-filter: blur(28px) saturate(180%);
  -webkit-backdrop-filter: blur(28px) saturate(180%);
  border: 1px solid var(--xantia-glass-border);
  border-radius: 28px;
  padding: 32px 30px 28px 30px;
  display: flex;
  flex-direction: column;
  gap: 22px;
  box-shadow: inset 0 1px 0 0 rgba(255, 255, 255, 0.15), 0 28px 70px rgba(0, 0, 0, 0.85);
  transform: scale(0.94) translateY(15px);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.units-modal-backdrop.open .units-modal-card {
  transform: scale(1) translateY(0);
}

.units-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  border-bottom: 1px solid var(--xantia-glass-border-light);
  padding-bottom: 18px;
}
.units-modal-title {
  font-family: var(--xantia-font-brand);
  font-size: 20px;
  font-weight: 700;
  color: #FFFFFF;
  letter-spacing: 0.08em;
}
.units-modal-sub {
  font-size: 11.5px;
  color: var(--xantia-gold);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-top: 4px;
  font-weight: 600;
}

.btn-close-units-modal {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--xantia-glass-border);
  color: #94A3B8;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.25s ease;
}
.btn-close-units-modal:hover {
  background: var(--xantia-gold);
  color: #070B12;
  border-color: var(--xantia-gold);
  transform: rotate(90deg);
}

.units-types-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.unit-type-card {
  background: rgba(7, 11, 18, 0.7);
  border: 1px solid var(--xantia-glass-border-light);
  border-radius: 20px;
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  cursor: pointer;
  transition: all 0.25s ease;
  position: relative;
  overflow: hidden;
}
.unit-type-card:hover {
  border-color: var(--xantia-gold);
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.6), 0 0 20px rgba(201, 168, 76, 0.25);
  background: rgba(14, 22, 36, 0.9);
}

.unit-type-thumb-wrap {
  width: 100%;
  height: 140px;
  background: #FFFFFF;
  border-radius: 14px;
  padding: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.unit-type-thumb {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  transition: transform 0.3s ease;
}
.unit-type-card:hover .unit-type-thumb {
  transform: scale(1.05);
}

.unit-type-tag {
  position: absolute;
  top: 8px;
  left: 8px;
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 9999px;
  background: rgba(10, 16, 26, 0.85);
  color: #CBD5E1;
  border: 1px solid rgba(255, 255, 255, 0.15);
}
.unit-type-tag.tag-featured {
  background: rgba(201, 168, 76, 0.9);
  color: #070B12;
  border: none;
}

.unit-type-info {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.unit-type-headline {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}
.unit-type-name {
  font-family: var(--xantia-font-brand);
  font-size: 14.5px;
  font-weight: 700;
  color: #FFFFFF;
}
.unit-type-area {
  font-size: 12px;
  font-weight: 600;
  color: var(--xantia-gold);
}
.unit-type-desc {
  font-size: 11px;
  line-height: 1.45;
  color: #94A3B8;
}

.unit-type-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 10px;
  border-top: 1px solid var(--xantia-glass-border-light);
}
.unit-type-price-label {
  font-size: 9.5px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #64748B;
}
.unit-type-price {
  font-size: 13.5px;
  font-weight: 700;
  color: #38BDF8;
}

.btn-select-unit-type {
  padding: 7px 14px;
  border-radius: 9999px;
  background: rgba(201, 168, 76, 0.15);
  border: 1px solid var(--xantia-gold);
  color: #FFFFFF;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all 0.25s ease;
}
.unit-type-card:hover .btn-select-unit-type {
  background: var(--xantia-gold);
  color: #070B12;
  box-shadow: 0 0 15px var(--xantia-gold-glow);
}

@media (max-width: 768px) {
  .units-types-grid {
    grid-template-columns: 1fr;
  }
}