/* ==========================================================================
   Tối ưu hóa & Nâng cấp Thẩm mỹ Website Hồng Hạc City
   Phú Mỹ Hưng × Nomura Real Estate Development
   ========================================================================== */

:root {
  --c-primary: #8b1a1a;
  --c-primary-dark: #661010;
  --c-primary-light: #ab2828;
  --c-gold: #c5a059;
  --c-gold-light: #dfbe7d;
  --c-gold-dark: #9e7d3b;
  --c-vanilla: #fcfbf7;
  --c-dark: #121212;
  --c-zalo: #0068FF;
  --header-h: 74px;
}

/* Typography Enhancements */
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ==========================================================================
   HEADER HARMONIE — NÂNG CẤP TOÀN DIỆN CHO DESKTOP
   ========================================================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-h);
  z-index: 1000;
  background: rgba(14, 8, 8, 0.78);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.header.scrolled {
  background: rgba(10, 5, 5, 0.95);
  height: 66px;
  box-shadow: 0 4px 25px rgba(0, 0, 0, 0.45);
  border-bottom-color: rgba(197, 160, 89, 0.22);
}

.header__inner {
  max-width: 1480px;
  margin: 0 auto;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(1rem, 3vw, 2.5rem);
  gap: 0.85rem;
}

.header__left {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.header__logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  transition: opacity 0.2s ease;
}

.header__logo:hover {
  opacity: 0.92;
}

.header__logo-img {
  display: block;
  height: 48px;
  width: auto;
  object-fit: contain;
  filter: brightness(0) invert(1);
  transition: transform 0.25s ease;
}

.header.scrolled .header__logo-img {
  height: 42px;
}

.header__divider {
  width: 1px;
  height: 26px;
  background: rgba(255, 255, 255, 0.18);
  flex-shrink: 0;
}

.header__tagline {
  font-family: var(--ff-heading, serif);
  font-size: 0.82rem;
  font-style: italic;
  color: var(--c-gold-light);
  letter-spacing: 0.03em;
  font-weight: 400;
  white-space: nowrap;
}

/* Desktop Navigation */
.header__nav {
  display: flex;
  align-items: center;
  gap: 0.2rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.header__nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 0.65rem;
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: rgba(255, 255, 255, 0.86);
  text-decoration: none;
  transition: color 0.2s ease, background-color 0.2s ease;
  white-space: nowrap;
  border-radius: 4px;
}

.header__nav-link:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.06);
}

.header__nav-link::after {
  content: "";
  position: absolute;
  bottom: 2px;
  left: 10px;
  right: 10px;
  height: 2px;
  background: var(--c-gold);
  transform: scaleX(0);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  border-radius: 1px;
}

.header__nav-link:hover::after,
.header__nav-link.active::after {
  transform: scaleX(1);
}

/* Nổi bật Phân khu Hồng Phát */
.header__nav-link--highlight {
  color: var(--c-gold-light) !important;
  font-weight: 600;
  background: rgba(197, 160, 89, 0.1);
  border: 1px solid rgba(197, 160, 89, 0.25);
  padding: 0.4rem 0.75rem;
  border-radius: 16px;
}

.header__nav-link--highlight:hover {
  background: rgba(197, 160, 89, 0.22);
  border-color: var(--c-gold);
}

.nav-badge {
  display: inline-block;
  background: linear-gradient(135deg, var(--c-primary) 0%, #b82222 100%);
  color: #fff;
  font-size: 0.62rem;
  padding: 2px 6px;
  border-radius: 8px;
  margin-left: 5px;
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.04em;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.3);
}

/* Header Right: Lang Switcher & Hotline CTA */
.header__right {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.lang-switcher {
  display: inline-flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 20px;
  padding: 2px 4px;
}

.lang-switcher__btn {
  background: transparent;
  border: none;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.72rem;
  font-weight: 600;
  padding: 4px 7px;
  border-radius: 14px;
  cursor: pointer;
  transition: all 0.2s ease;
  line-height: 1;
}

.lang-switcher__btn:hover {
  color: #fff;
}

.lang-switcher__btn.active {
  color: #fff;
  background: var(--c-primary);
  box-shadow: 0 2px 6px rgba(139, 26, 26, 0.45);
}

.lang-switcher__sep {
  color: rgba(255, 255, 255, 0.2);
  font-size: 0.65rem;
  margin: 0 1px;
}

/* Nút Hotline trên Header Desktop */
.header__hotline-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  background: linear-gradient(135deg, rgba(197, 160, 89, 0.18) 0%, rgba(139, 26, 26, 0.35) 100%);
  border: 1px solid var(--c-gold);
  color: #fff;
  padding: 7px 15px;
  border-radius: 24px;
  font-size: 0.82rem;
  font-weight: 600;
  text-decoration: none;
  letter-spacing: 0.02em;
  white-space: nowrap;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 2px 10px rgba(197, 160, 89, 0.2);
}

.header__hotline-btn:hover {
  background: linear-gradient(135deg, var(--c-gold) 0%, #dfbe7d 100%);
  color: #1a0808;
  transform: translateY(-1px);
  box-shadow: 0 4px 18px rgba(197, 160, 89, 0.45);
}

.header__hotline-btn svg {
  flex-shrink: 0;
  color: var(--c-gold-light);
  transition: color 0.2s ease;
}

.header__hotline-btn:hover svg {
  color: #1a0808;
}

/* Hamburger Button trên Header */
.header__menu-btn {
  display: none;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  color: #fff;
  cursor: pointer;
  transition: all 0.2s ease;
  z-index: 1002;
  padding: 0;
}

.header__menu-btn:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: var(--c-gold);
}

.hamburger {
  width: 22px;
  height: 14px;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.2s ease;
  transform-origin: center;
}

/* Hiệu ứng chuyển thành dấu ✕ khi menu mở */
.hamburger.is-active span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

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

.hamburger.is-active span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* ==========================================================================
   MOBILE & TABLET DRAWER NAVIGATION (< 1080px)
   ========================================================================== */
@media (max-width: 1180px) {
  .header__tagline,
  .header__divider {
    display: none;
  }
}

@media (max-width: 1024px) {
  :root {
    --header-h: 64px;
  }

  .header__nav {
    display: none !important;
  }

  .header__hotline-btn {
    display: none;
  }

  .header__menu-btn {
    display: flex;
  }
}

/* Fullscreen / Slide Drawer cho Mobile */
.mobile-drawer {
  position: fixed;
  inset: 0;
  z-index: 9999;
  visibility: hidden;
  pointer-events: none;
  transition: visibility 0.35s ease;
}

.mobile-drawer.open {
  visibility: visible;
  pointer-events: auto;
}

.mobile-drawer__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  opacity: 0;
  transition: opacity 0.35s ease;
}

.mobile-drawer.open .mobile-drawer__backdrop {
  opacity: 1;
}

.mobile-drawer__panel {
  position: absolute;
  top: 0;
  right: 0;
  width: 100%;
  max-width: 380px;
  height: 100%;
  background: linear-gradient(180deg, #180909 0%, #110606 60%, #0a0404 100%);
  border-left: 1px solid rgba(197, 160, 89, 0.25);
  box-shadow: -10px 0 40px rgba(0, 0, 0, 0.75);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  transform: translateX(100%);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.mobile-drawer.open .mobile-drawer__panel {
  transform: translateX(0);
}

.mobile-drawer__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.15rem 1.25rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  flex-shrink: 0;
}

.mobile-drawer__logo-img {
  height: 38px;
  width: auto;
  filter: brightness(0) invert(1);
}

.mobile-drawer__close {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 50%;
  color: #fff;
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 1.1rem;
}

.mobile-drawer__close:hover {
  background: var(--c-primary);
  border-color: var(--c-gold);
}

/* Danh sách link menu mobile */
.mobile-drawer__list {
  list-style: none;
  margin: 0;
  padding: 1rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  flex: 1;
}

.mobile-drawer__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 0.85rem;
  font-family: var(--ff-heading, serif);
  font-size: 1.15rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.9);
  text-decoration: none;
  border-radius: 8px;
  transition: all 0.2s ease;
  border-left: 2px solid transparent;
}

.mobile-drawer__link:hover,
.mobile-drawer__link:active {
  background: rgba(197, 160, 89, 0.12);
  color: var(--c-gold-light);
  border-left-color: var(--c-gold);
  padding-left: 1.15rem;
}

.mobile-drawer__link--highlight {
  background: rgba(139, 26, 26, 0.32);
  border: 1px solid rgba(197, 160, 89, 0.4);
  color: var(--c-gold-light) !important;
}

.mobile-drawer__link--highlight:hover {
  background: rgba(139, 26, 26, 0.5);
}

/* Thẻ CTA trong Menu Mobile */
.mobile-drawer__actions {
  padding: 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(0, 0, 0, 0.3);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  flex-shrink: 0;
}

.mobile-drawer__hotline {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, var(--c-primary) 0%, #aa2020 100%);
  color: #fff;
  padding: 11px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.92rem;
  letter-spacing: 0.02em;
  box-shadow: 0 4px 15px rgba(139, 26, 26, 0.4);
}

.mobile-drawer__zalo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: var(--c-zalo);
  color: #fff;
  padding: 11px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.92rem;
  box-shadow: 0 4px 15px rgba(0, 104, 255, 0.35);
}

.mobile-drawer__agent {
  text-align: center;
  padding-top: 0.5rem;
  color: var(--c-text-muted, #999);
  font-size: 0.78rem;
  line-height: 1.4;
}

.mobile-drawer__lang {
  display: flex;
  justify-content: center;
  margin-top: 0.5rem;
}

/* ==========================================================================
   FLOATING ACTION BUTTON & OTHER COMPONENT POLISH
   ========================================================================== */
.floating-option#opt-zalo {
  background: var(--c-zalo);
  transition: transform 0.25s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.25s ease;
}

.floating-option#opt-zalo:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 20px rgba(0, 104, 255, 0.45);
}

.floating-option#opt-phone {
  background: #25D366;
}

.floating-option#opt-phone:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.45);
}

.floating-option#opt-messenger {
  background: linear-gradient(135deg, #00B2FF 0%, #006AFF 50%, #9B00E8 100%);
}

.floating-option#opt-messenger:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 20px rgba(0, 106, 255, 0.45);
}

@keyframes ring-pulse {
  0% { transform: scale(1); opacity: 0.8; }
  50% { transform: scale(1.35); opacity: 0.15; }
  100% { transform: scale(1.5); opacity: 0; }
}

.floating-ring.ring-1 {
  animation: ring-pulse 2.2s infinite ease-out;
}
.floating-ring.ring-2 {
  animation: ring-pulse 2.2s infinite ease-out 0.8s;
}

img {
  max-width: 100%;
  height: auto;
  transition: opacity 0.3s ease;
}

.cta-glass {
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: rgba(20, 20, 20, 0.72) !important;
  border: 1px solid rgba(255, 255, 255, 0.12) !important;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5) !important;
}

.dist-arc__item {
  cursor: pointer;
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.dist-arc__item:hover {
  transform: scale(1.08);
}

/* ==========================================================================
   BỔ SUNG THÔNG SỐ & DỮ LIỆU SẢN PHẨM: "KHÁM PHÁ TỪNG SẢN PHẨM"
   ========================================================================== */

/* 1. Bảng So Sánh Cơ Cấu Sản Phẩm (Executive Comparison Matrix) */
.gl-matrix-wrap {
  margin: 2.2rem 0 3.2rem;
  background: rgba(18, 8, 8, 0.75);
  border: 1px solid rgba(197, 160, 89, 0.35);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.gl-matrix-header {
  padding: 1.25rem 1.75rem;
  background: linear-gradient(90deg, rgba(139, 26, 26, 0.85) 0%, rgba(50, 10, 10, 0.85) 100%);
  border-bottom: 1px solid rgba(197, 160, 89, 0.3);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.gl-matrix-header__title {
  margin: 0;
  font-size: 1.15rem;
  font-family: var(--ff-heading, serif);
  color: var(--c-gold-light);
  letter-spacing: 0.05em;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.gl-matrix-header__note {
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.7);
  letter-spacing: 0.03em;
}

.gl-matrix-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--c-gold) rgba(255, 255, 255, 0.08);
}

.gl-matrix-scroll::-webkit-scrollbar {
  height: 6px;
}

.gl-matrix-scroll::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.3);
}

.gl-matrix-scroll::-webkit-scrollbar-thumb {
  background: var(--c-gold);
  border-radius: 3px;
}

.gl-matrix-table {
  width: 100%;
  min-width: 860px;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.88rem;
}

.gl-matrix-table th {
  padding: 1rem 1.25rem;
  background: rgba(0, 0, 0, 0.45);
  color: var(--c-gold-light);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 0.76rem;
  border-bottom: 1px solid rgba(197, 160, 89, 0.25);
  white-space: nowrap;
}

.gl-matrix-table td {
  padding: 1.15rem 1.25rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.9);
  vertical-align: middle;
}

.gl-matrix-table tbody tr {
  transition: background 0.2s ease;
}

.gl-matrix-table tbody tr:hover {
  background: rgba(197, 160, 89, 0.08);
}

.gl-matrix-table tbody tr:last-child td {
  border-bottom: none;
}

.gl-product-name {
  font-weight: 700;
  color: #fff;
  font-size: 0.95rem;
  display: block;
}

.gl-product-badge {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 2px 8px;
  border-radius: 12px;
  margin-top: 4px;
}

.gl-badge--villa {
  background: rgba(197, 160, 89, 0.22);
  color: var(--c-gold-light);
  border: 1px solid rgba(197, 160, 89, 0.4);
}

.gl-badge--songlap {
  background: rgba(64, 150, 255, 0.18);
  color: #70b4ff;
  border: 1px solid rgba(64, 150, 255, 0.35);
}

.gl-badge--townhouse {
  background: rgba(82, 196, 26, 0.18);
  color: #95de64;
  border: 1px solid rgba(82, 196, 26, 0.35);
}

.gl-badge--shophouse {
  background: rgba(250, 140, 22, 0.18);
  color: #ffbb96;
  border: 1px solid rgba(250, 140, 22, 0.35);
}

.gl-matrix-area {
  font-family: var(--ff-heading, serif);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--c-gold);
  white-space: nowrap;
}

.gl-matrix-sub {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.6);
  display: block;
  margin-top: 2px;
}

.gl-matrix-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  font-size: 0.78rem;
  font-weight: 500;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.12);
  white-space: nowrap;
}

.gl-matrix-pill--legal {
  background: rgba(197, 160, 89, 0.15);
  color: var(--c-gold-light);
  border-color: rgba(197, 160, 89, 0.35);
}

.gl-matrix-action {
  white-space: nowrap;
}

.gl-matrix-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 6px 14px;
  background: linear-gradient(135deg, var(--c-primary) 0%, #aa2020 100%);
  color: #fff;
  border-radius: 6px;
  font-size: 0.78rem;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: all 0.25s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
  cursor: pointer;
}

.gl-matrix-btn:hover {
  background: linear-gradient(135deg, #aa2020 0%, var(--c-primary) 100%);
  border-color: var(--c-gold);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(197, 160, 89, 0.3);
}

/* 2. Nâng Cấp Card Gallery Sản Phẩm (Rich Product Specs Card) */
.gl-grid {
  display: grid !important;
  grid-template-columns: repeat(3, 1fr) !important;
  gap: 1.5rem !important;
  margin-top: var(--sp-xl) !important;
  padding: 0 clamp(1rem, 3vw, 2.5rem);
  opacity: 1 !important;
  visibility: visible !important;
}

.gl-card,
.gl-card.reveal {
  position: relative !important;
  aspect-ratio: auto !important;
  background: rgba(20, 8, 8, 0.95) !important;
  border: 1px solid rgba(197, 160, 89, 0.28) !important;
  border-radius: 14px !important;
  overflow: hidden !important;
  cursor: default !important;
  display: flex !important;
  flex-direction: column !important;
  opacity: 1 !important;
  visibility: visible !important;
  transform: none !important;
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.35s, box-shadow 0.35s !important;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4) !important;
  animation: glCardEntrance 0.35s cubic-bezier(0.16, 1, 0.3, 1) forwards !important;
}

@keyframes glCardEntrance {
  0% {
    opacity: 0;
    transform: translateY(14px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

.gl-card:hover {
  transform: translateY(-6px) !important;
  border-color: var(--c-gold) !important;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5), 0 0 25px rgba(197, 160, 89, 0.25) !important;
}

.gl-card__media {
  position: relative;
  aspect-ratio: 16/10;
  overflow: hidden;
  background: #000;
  cursor: pointer;
}

.gl-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.gl-card:hover .gl-card__media img {
  transform: scale(1.06);
}

.gl-card__badge-bar {
  position: absolute;
  top: 12px;
  left: 12px;
  right: 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 2;
  pointer-events: none;
}

.gl-card__badge {
  background: rgba(10, 5, 5, 0.78);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(197, 160, 89, 0.5);
  color: var(--c-gold-light);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 20px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}

.gl-card__zoom-hint {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  transition: all 0.25s ease;
  pointer-events: auto;
}

.gl-card__media:hover .gl-card__zoom-hint {
  background: var(--c-gold);
  color: #000;
  transform: scale(1.1);
  border-color: var(--c-gold);
}

.gl-card__content {
  padding: 1.35rem 1.25rem 1.25rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.gl-card__title {
  font-family: var(--ff-heading, serif);
  font-size: 1.18rem;
  font-weight: 600;
  color: #fff;
  margin: 0 0 0.85rem;
  line-height: 1.3;
}

.gl-card__specs-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.65rem 0.85rem;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  padding: 0.85rem;
  margin-bottom: 0.95rem;
}

.gl-spec-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.gl-spec-label {
  font-size: 0.68rem;
  color: rgba(255, 255, 255, 0.6);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: flex;
  align-items: center;
  gap: 4px;
}

.gl-spec-val {
  font-size: 0.86rem;
  font-weight: 600;
  color: #fff;
}

.gl-spec-val--gold {
  color: var(--c-gold-light);
  font-family: var(--ff-heading, serif);
  font-size: 0.92rem;
}

.gl-card__highlight {
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.45;
  margin-bottom: 1.15rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.gl-card__actions {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 0.6rem;
  margin-top: auto;
}

.gl-btn-fp {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 8px 10px;
  background: transparent;
  border: 1px solid rgba(197, 160, 89, 0.6);
  color: var(--c-gold-light);
  border-radius: 6px;
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.gl-btn-fp:hover {
  background: rgba(197, 160, 89, 0.18);
  border-color: var(--c-gold);
  color: #fff;
}

.gl-btn-quote {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 8px 10px;
  background: linear-gradient(135deg, var(--c-primary) 0%, #a01d1d 100%);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #fff;
  border-radius: 6px;
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.gl-btn-quote:hover {
  background: linear-gradient(135deg, #a01d1d 0%, var(--c-primary) 100%);
  border-color: var(--c-gold);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(197, 160, 89, 0.3);
}

/* 3. Nâng Cấp Lightbox Modal Chi Tiết (Product Detail Lightbox) */
.gl-lb {
  position: fixed !important;
  inset: 0 !important;
  z-index: 9999 !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  opacity: 0 !important;
  visibility: hidden !important;
  pointer-events: none !important;
  transition: opacity 0.3s ease, visibility 0.3s ease !important;
  padding: clamp(1rem, 3vw, 2.5rem);
}

.gl-lb.active {
  opacity: 1 !important;
  visibility: visible !important;
  pointer-events: auto !important;
}

.gl-lb__bd {
  position: absolute !important;
  inset: 0 !important;
  background: rgba(5, 5, 8, 0.92) !important;
  backdrop-filter: blur(12px) !important;
  -webkit-backdrop-filter: blur(12px) !important;
  cursor: pointer !important;
}

.gl-lb__container {
  position: relative;
  z-index: 10;
  width: 100%;
  max-width: 1280px;
  max-height: 90vh;
  background: #140808;
  border: 1px solid rgba(197, 160, 89, 0.35);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 25px 70px rgba(0, 0, 0, 0.7);
  display: grid;
  grid-template-columns: 1.4fr 1fr;
}

.gl-lb__media-col {
  position: relative;
  background: #000;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  min-height: 480px;
}

.gl-lb__media-col img {
  width: 100%;
  height: 100%;
  max-height: 85vh;
  object-fit: contain;
  display: block;
}

.gl-lb__info-col {
  padding: 2.25rem 2rem;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  max-height: 85vh;
  background: rgba(20, 10, 10, 0.95);
  border-left: 1px solid rgba(255, 255, 255, 0.08);
}

.gl-lb__info-badge {
  display: inline-block;
  align-self: flex-start;
  padding: 4px 12px;
  background: rgba(197, 160, 89, 0.15);
  border: 1px solid rgba(197, 160, 89, 0.4);
  color: var(--c-gold-light);
  border-radius: 20px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 0.85rem;
}

.gl-lb__info-title {
  font-family: var(--ff-heading, serif);
  font-size: 1.6rem;
  color: #fff;
  line-height: 1.25;
  margin: 0 0 1rem;
}

.gl-lb__info-desc {
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.gl-lb__specs-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  padding: 1.1rem;
  margin-bottom: 1.5rem;
}

.gl-lb__variants-box {
  margin-bottom: 1.5rem;
}

.gl-lb__variants-title {
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--c-gold-light);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.6rem;
}

.gl-lb__variants-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.gl-lb__variant-tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 6px;
  font-size: 0.78rem;
  color: #fff;
}

.gl-lb__contact-box {
  margin-top: auto;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.gl-lb__hotline-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 11px;
  background: linear-gradient(135deg, var(--c-primary) 0%, #a82020 100%);
  border: 1px solid var(--c-gold);
  color: #fff;
  border-radius: 8px;
  font-size: 0.88rem;
  font-weight: 700;
  text-decoration: none;
  letter-spacing: 0.03em;
  transition: all 0.25s ease;
  box-shadow: 0 4px 15px rgba(139, 26, 26, 0.4);
}

.gl-lb__hotline-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(197, 160, 89, 0.4);
}

.gl-lb__close {
  position: absolute !important;
  top: 14px !important;
  right: 14px !important;
  z-index: 20 !important;
  width: 40px !important;
  height: 40px !important;
  border-radius: 50% !important;
  background: rgba(0, 0, 0, 0.7) !important;
  border: 1px solid rgba(255, 255, 255, 0.25) !important;
  color: #fff !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  cursor: pointer !important;
  font-size: 1.1rem !important;
  transition: all 0.2s ease !important;
}

.gl-lb__close:hover {
  background: var(--c-primary) !important;
  border-color: var(--c-gold) !important;
  transform: scale(1.1) !important;
}

/* Responsive Breakpoints */
@media (max-width: 1200px) {
  .gl-grid {
    grid-template-columns: repeat(2, 1fr) !important;
  }
}

@media (max-width: 900px) {
  .gl-lb__container {
    grid-template-columns: 1fr;
    max-height: 92vh;
    overflow-y: auto;
  }
  .gl-lb__media-col {
    min-height: 280px;
    max-height: 380px;
  }
  .gl-lb__info-col {
    padding: 1.5rem;
    max-height: none;
    border-left: none;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
  }
}

@media (max-width: 680px) {
  .gl-grid {
    grid-template-columns: 1fr !important;
  }
  .gl-card__specs-grid {
    grid-template-columns: 1fr 1fr;
  }
  .gl-matrix-header {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* ==========================================================================
   SEO HEADINGS & LUXURY TYPOGRAPHY
   ========================================================================== */
.hero__content {
  position: absolute;
  bottom: clamp(65px, 12vh, 105px);
  left: 0;
  right: 0;
  z-index: 10;
  text-align: center;
  pointer-events: none;
  padding: 0 1.5rem;
}

.hero__seo-heading {
  margin: 0 auto;
  font-family: var(--ff-heading, "Playfair Display", Georgia, serif);
  font-size: clamp(1.1rem, 2.2vw, 1.85rem);
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: #ffffff;
  text-shadow: 0 2px 14px rgba(0, 0, 0, 0.9), 0 0 25px rgba(197, 160, 89, 0.5);
  line-height: 1.35;
  max-width: 1050px;
}

.hero__seo-heading span {
  display: none;
}

.hero__seo-heading span.active {
  display: inline;
}

/* ==========================================================================
   FAQ ACCORDION SECTION (GOOGLE RICH SNIPPETS)
   ========================================================================== */
.faq-section {
  position: relative;
  background: linear-gradient(180deg, rgba(18, 7, 9, 0.98) 0%, rgba(10, 4, 5, 0.99) 100%);
  border-top: 1px solid rgba(197, 160, 89, 0.2);
  border-bottom: 1px solid rgba(197, 160, 89, 0.2);
  padding: clamp(3.5rem, 6vw, 5.5rem) 0;
}

.faq-accordion {
  max-width: 920px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background: rgba(30, 11, 14, 0.65);
  border: 1px solid rgba(197, 160, 89, 0.22);
  border-radius: 10px;
  overflow: hidden;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.25);
}

.faq-item:hover {
  border-color: rgba(197, 160, 89, 0.5);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
}

.faq-item.active {
  border-color: var(--c-gold, #c89d5c);
  background: rgba(40, 13, 18, 0.85);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.45), 0 0 20px rgba(197, 160, 89, 0.15);
}

.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 1.6rem;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  color: #ffffff;
  font-family: var(--ff-heading, serif);
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1.4;
  transition: color 0.25s ease;
}

.faq-question:hover {
  color: var(--c-gold-light, #e4be78);
}

.faq-icon {
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--c-gold, #c89d5c);
  margin-left: 1rem;
  flex-shrink: 0;
  line-height: 1;
  transition: transform 0.3s ease;
}

.faq-answer {
  display: none;
  padding: 0 1.6rem 1.35rem 1.6rem;
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.94rem;
  line-height: 1.7;
  border-top: 1px solid rgba(197, 160, 89, 0.12);
  margin-top: 0.35rem;
}

.faq-item.active .faq-answer {
  display: block;
}

.faq-answer strong {
  color: var(--c-gold-light, #e4be78);
}

/* ==========================================================================
   FOOTER SEO KEYWORD MATRIX & STRATEGIC PARTNERS
   ========================================================================== */
.footer__seo-matrix {
  border-top: 1px solid rgba(197, 160, 89, 0.2);
  padding: 2.2rem 0;
  background: rgba(8, 3, 4, 0.8);
}

.footer__seo-row {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 2.5rem;
  align-items: start;
}

.footer__seo-title {
  margin: 0 0 1rem;
  font-family: var(--ff-heading, serif);
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-gold, #c89d5c);
}

.footer__seo-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.footer__seo-tag {
  display: inline-block;
  padding: 5px 12px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(197, 160, 89, 0.25);
  border-radius: 20px;
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.8rem;
  text-decoration: none;
  transition: all 0.25s ease;
}

.footer__seo-tag:hover {
  background: rgba(197, 160, 89, 0.2);
  border-color: var(--c-gold, #c89d5c);
  color: #fff;
  transform: translateY(-2px);
}

.footer__seo-partners {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.footer__seo-partner-link {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.85rem;
  text-decoration: none;
  transition: color 0.25s ease;
}

.footer__seo-partner-link:hover {
  color: var(--c-gold-light, #e4be78);
}

.footer__seo-partner-link svg {
  color: var(--c-gold, #c89d5c);
  flex-shrink: 0;
}

@media (max-width: 860px) {
  .footer__seo-row {
    grid-template-columns: 1fr;
    gap: 1.75rem;
  }
}