/* ============================================
   NHÀ CỔ VỮNG TÂM — Main Stylesheet
   ============================================ */

:root {
  --brown-dark: #5c3420;
  --brown-mid: #7d4a30;
  --brown-light: #a86040;
  --gold: #c9963e;
  --gold-light: #e8b96a;
  --cream: #fdf6ec;
  --cream-dark: #f0e4d0;
  --white: #fff;
  --text-dark: #2a1a0e;
  --text-mid: #5a3a28;
  --text-light: #8a6050;
  --green: #4a7c59;
  --green-dark: #315f43;
  --clay: #b55b38;

  --font-serif: 'Playfair Display', Georgia, serif;
  --font-sans: 'Be Vietnam Pro', system-ui, sans-serif;

  --nav-h: 70px;
  --radius: 12px;
  --shadow: 0 8px 32px rgba(61,35,20,.12);
  --shadow-lg: 0 20px 60px rgba(61,35,20,.18);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; color-scheme: light; }

body {
  font-family: var(--font-sans);
  color: var(--text-dark);
  background: var(--cream);
  overflow-x: hidden;
}

img { display: block; max-width: 100%; object-fit: cover; }
a { color: inherit; text-decoration: none; }
button, a { -webkit-tap-highlight-color: transparent; }

:focus-visible {
  outline: 3px solid var(--gold-light);
  outline-offset: 3px;
}

/* ========== SCROLLBAR ========== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--cream-dark); }
::-webkit-scrollbar-thumb { background: var(--brown-light); border-radius: 3px; }

/* ========== UTILITY ========== */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 96px 0; }
.section-dark { background: #7a4528; color: var(--cream); }
.section-warm { background: var(--cream-dark); }
.section-header.center { text-align: center; max-width: 640px; margin: 0 auto 64px; }

.section-label {
  font-family: var(--font-sans);
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 12px;
}
.section-dark .section-label { color: var(--gold-light); }

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  line-height: 1.25;
  color: var(--brown-dark);
  margin-bottom: 20px;
}
.section-dark .section-title { color: var(--cream); }
.section-warm .section-title { color: var(--brown-dark); }

.section-desc {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-mid);
  max-width: 560px;
  margin: 0 auto;
}
.section-dark .section-desc { color: var(--cream-dark); }

/* ========== NAVIGATION ========== */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 1000;
  transition: background .3s, box-shadow .3s;
}
#navbar.scrolled {
  background: rgba(61,35,20,.97);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 20px rgba(0,0,0,.3);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}
.logo-vi {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--cream);
}
.logo-en {
  font-size: .65rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--gold-light);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
}
.nav-links a {
  color: var(--cream);
  font-size: .88rem;
  font-weight: 500;
  padding: 8px 12px;
  border-radius: 6px;
  transition: color .2s, background .2s;
}
.nav-links a:hover { color: var(--gold-light); background: rgba(255,255,255,.08); }
.nav-links a.active-link {
  color: var(--gold-light);
  background: rgba(255,255,255,.1);
}

.btn-nav {
  background: var(--gold) !important;
  color: var(--brown-dark) !important;
  font-weight: 700 !important;
  border-radius: 8px !important;
  padding: 10px 20px !important;
  transition: background .2s, transform .15s !important;
}
.btn-nav:hover { background: var(--gold-light) !important; transform: translateY(-1px); }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--cream);
  border-radius: 2px;
  transition: transform .3s, opacity .3s;
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ========== HERO ========== */
#hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: linear-gradient(150deg, #c87428 0%, #e09840 30%, #d48030 60%, #a05820 100%);
}

.hero-bg-slider {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 1.2s ease;
  transform: scale(1.05);
  animation: slowzoom 8s linear infinite;
  filter: brightness(1.25) saturate(1.1);
}
.hero-slide.active { opacity: 1; }

@keyframes slowzoom {
  from { transform: scale(1.05); }
  to   { transform: scale(1.12); }
}

.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    to bottom,
    rgba(10,5,2,.3) 0%,
    rgba(10,5,2,.15) 45%,
    rgba(10,5,2,.55) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: var(--white);
  padding: 0 24px;
  max-width: 860px;
}

.hero-subtitle-top {
  font-size: .78rem;
  letter-spacing: .25em;
  text-transform: uppercase;
  color: var(--gold-light);
  margin-bottom: 20px;
  opacity: 0;
  animation: fadeUp .65s .18s forwards;
}

.hero-title {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  margin-bottom: 24px;
  opacity: 0;
  animation: fadeUp .65s .32s forwards;
}
.title-vi {
  font-family: var(--font-serif);
  font-size: clamp(2.4rem, 7vw, 5rem);
  font-weight: 700;
  line-height: 1.1;
  text-shadow: 0 2px 20px rgba(0,0,0,.4);
}
.title-divider {
  font-size: 1.2rem;
  color: var(--gold);
  line-height: 1;
}
.title-en {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(1rem, 2.5vw, 1.6rem);
  color: var(--cream);
  font-weight: 400;
}
body.lang-en .title-en {
  font-size: clamp(2.15rem, 6vw, 4.6rem);
  font-style: normal;
  font-weight: 700;
  line-height: 1.1;
  text-shadow: 0 2px 20px rgba(0,0,0,.4);
}

.hero-tagline {
  font-size: clamp(.95rem, 2vw, 1.15rem);
  line-height: 1.65;
  margin-bottom: 0;
  opacity: 0;
  animation: fadeUp .65s .46s forwards;
}
.hero-tagline-en {
  font-size: clamp(.8rem, 1.5vw, .95rem);
  color: rgba(255,255,255,.7);
  font-style: italic;
  margin-bottom: 0;
  opacity: 0;
  animation: fadeUp .65s .46s forwards;
}

.hero-proof-row {
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  margin: 22px auto 34px;
  opacity: 0;
  animation: fadeUp .65s .58s forwards;
}
.hero-proof-row span {
  color: rgba(255,255,255,.92);
  background: rgba(49,95,67,.62);
  border: 1px solid rgba(255,255,255,.18);
  backdrop-filter: blur(8px);
  border-radius: 999px;
  padding: 8px 13px;
  font-size: .78rem;
  font-weight: 700;
  box-shadow: 0 8px 22px rgba(0,0,0,.18);
}

.hero-cta {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeUp .65s .68s forwards;
}

.btn-primary {
  background: var(--gold);
  color: var(--brown-dark);
  font-weight: 700;
  font-size: .95rem;
  padding: 14px 36px;
  border-radius: 50px;
  letter-spacing: .04em;
  transition: background .2s, transform .15s, box-shadow .2s;
  box-shadow: 0 4px 20px rgba(201,150,62,.4);
}
.btn-primary:hover {
  background: var(--gold-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(201,150,62,.5);
}

.btn-secondary {
  background: transparent;
  border: 2px solid rgba(255,255,255,.6);
  color: var(--white);
  font-weight: 500;
  font-size: .95rem;
  padding: 14px 36px;
  border-radius: 50px;
  transition: border-color .2s, background .2s, transform .15s;
}
.btn-secondary:hover {
  border-color: var(--gold-light);
  background: rgba(255,255,255,.08);
  transform: translateY(-2px);
}

.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}
.hero-scroll span {
  display: block;
  width: 24px;
  height: 40px;
  border: 2px solid rgba(255,255,255,.5);
  border-radius: 12px;
  position: relative;
}
.hero-scroll span::after {
  content: '';
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 8px;
  background: var(--gold);
  border-radius: 2px;
  animation: scrollBounce 2s infinite;
}
@keyframes scrollBounce {
  0%, 100% { transform: translateX(-50%) translateY(0); opacity: 1; }
  80% { transform: translateX(-50%) translateY(12px); opacity: 0; }
}

/* ========== HIGHLIGHT BAR ========== */
.highlight-bar {
  background: var(--brown-mid);
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0;
  padding: 0;
}
.highlight-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 18px 32px;
  color: var(--cream);
  font-size: .88rem;
  font-weight: 500;
  border-right: 1px solid rgba(255,255,255,.12);
  transition: background .2s;
}
.highlight-item:last-child { border-right: none; }
.highlight-item:hover { background: rgba(255,255,255,.06); }
.highlight-item svg {
  width: 18px; height: 18px;
  fill: var(--gold-light);
  flex-shrink: 0;
}

/* ========== STATS BAR ========== */
.stats-bar {
  background: var(--brown-dark);
  padding: 56px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}
.stat-item {
  text-align: center;
  padding: 24px 16px;
  border-right: 1px solid rgba(255,255,255,.1);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.stat-item:last-child { border-right: none; }
.stat-number {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--gold);
  line-height: 1;
}
.stat-suffix {
  font-family: var(--font-serif);
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  color: var(--gold);
  line-height: 1;
  margin-left: -4px;
}
.stat-item > span:first-child,
.stat-number + .stat-suffix {
  display: inline;
}
.stat-number-wrap {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 2px;
}
.stat-label {
  font-size: .82rem;
  color: rgba(245,237,224,.7);
  line-height: 1.5;
  text-align: center;
}
.stat-label small { font-size: .75rem; color: rgba(245,237,224,.45); display: block; }

/* ========== EXPERIENCES ========== */
.exp-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}
.exp-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform .25s, box-shadow .25s;
  display: flex;
  flex-direction: column;
}
.exp-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.exp-img {
  aspect-ratio: 4/3;
  overflow: hidden;
}
.exp-img img { width: 100%; height: 100%; transition: transform .5s; }
.exp-card:hover .exp-img img { transform: scale(1.07); }
.exp-body {
  padding: 20px 22px 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.exp-tag {
  display: inline-block;
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--gold);
  background: rgba(201,150,62,.12);
  border-radius: 50px;
  padding: 4px 10px;
  margin-bottom: 10px;
}
.exp-body h3 {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  color: var(--brown-dark);
  margin-bottom: 10px;
  line-height: 1.3;
}
.exp-body p {
  font-size: .84rem;
  color: var(--text-mid);
  line-height: 1.65;
  margin-bottom: 8px;
}
.exp-en { color: var(--text-light) !important; font-size: .8rem !important; margin-top: auto !important; }

/* ========== VISIT PLANS ========== */
.visit-plans-section {
  background:
    linear-gradient(180deg, rgba(253,246,236,.92), rgba(240,228,208,.95)),
    var(--cream);
}
.visit-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.visit-card {
  background: var(--white);
  border: 1px solid rgba(74,124,89,.16);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  transition: transform .25s, box-shadow .25s, border-color .25s;
}
.visit-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(74,124,89,.34);
}
.visit-card.featured {
  border-color: rgba(181,91,56,.42);
  box-shadow: 0 18px 44px rgba(89,49,28,.16);
}
.visit-img {
  aspect-ratio: 4/3;
  overflow: hidden;
}
.visit-img img {
  width: 100%;
  height: 100%;
  transition: transform .55s ease;
}
.visit-card:hover .visit-img img { transform: scale(1.06); }
.visit-body {
  padding: 22px 22px 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.visit-kicker {
  width: fit-content;
  font-size: .7rem;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--green-dark);
  background: rgba(74,124,89,.12);
  border-radius: 999px;
  padding: 5px 11px;
  margin-bottom: 12px;
}
.visit-card.featured .visit-kicker {
  color: var(--brown-dark);
  background: rgba(181,91,56,.16);
}
.visit-body h3 {
  font-family: var(--font-serif);
  color: var(--brown-dark);
  font-size: 1.25rem;
  line-height: 1.25;
  margin-bottom: 10px;
}
.visit-body p {
  color: var(--text-mid);
  font-size: .9rem;
  line-height: 1.65;
  margin-bottom: 22px;
}
.visit-link {
  margin-top: auto;
  color: var(--green-dark);
  font-weight: 800;
  font-size: .88rem;
  width: fit-content;
  border-bottom: 2px solid rgba(74,124,89,.3);
  padding-bottom: 3px;
  transition: color .2s, border-color .2s;
}
.visit-link:hover {
  color: var(--clay);
  border-color: rgba(181,91,56,.45);
}

/* ========== DIRECTIONS ========== */
.dir-option {
  margin-bottom: 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(201,150,62,.2);
}
.dir-option:last-of-type { border-bottom: none; }
.dir-option strong {
  display: block;
  font-size: .88rem;
  color: var(--brown-dark);
  margin-bottom: 4px;
}
.dir-option p {
  font-size: .83rem;
  color: var(--text-mid);
  line-height: 1.55;
  margin-bottom: 2px;
}
.dir-en { color: var(--text-light) !important; font-style: italic; }
.dir-note {
  margin-top: 12px;
  padding: 12px 14px;
  background: rgba(201,150,62,.12);
  border-radius: 8px;
  font-size: .83rem;
  color: var(--text-mid);
  line-height: 1.55;
}

/* ========== FLOATING BUTTONS ========== */
.float-contact {
  position: fixed;
  bottom: 28px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 900;
}
.float-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 18px 12px 14px;
  border-radius: 50px;
  font-weight: 700;
  font-size: .85rem;
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(0,0,0,.25);
  transition: transform .2s, box-shadow .2s;
  white-space: nowrap;
}
.float-btn:hover { transform: translateY(-3px); box-shadow: 0 8px 28px rgba(0,0,0,.3); }
.float-btn svg { width: 22px; height: 22px; flex-shrink: 0; }
.float-phone {
  background: var(--brown-dark);
  color: var(--cream);
}
.float-phone svg { fill: var(--gold); }
.float-zalo {
  background: #0068ff;
  color: #fff;
}
.float-zalo svg { fill: #fff; }
.float-map {
  background: var(--green-dark);
  color: var(--cream);
}
.float-map svg { fill: var(--gold-light); }
.float-label { font-family: var(--font-sans); }

@keyframes pulsering {
  0% { box-shadow: 0 0 0 0 rgba(0,104,255,.4); }
  70% { box-shadow: 0 0 0 10px rgba(0,104,255,0); }
  100% { box-shadow: 0 0 0 0 rgba(0,104,255,0); }
}
.float-zalo { animation: pulsering 2.5s infinite; }

/* ========== ABOUT ========== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.about-images {
  position: relative;
}
.about-img-main {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  aspect-ratio: 4/5;
}
.about-img-main img { width: 100%; height: 100%; }

.about-img-secondary {
  position: absolute;
  bottom: -40px;
  right: -40px;
  width: 55%;
  aspect-ratio: 1;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 5px solid var(--cream);
}
.about-img-secondary img { width: 100%; height: 100%; }

.about-badge {
  position: absolute;
  top: 40px;
  left: -20px;
  background: var(--gold);
  color: var(--brown-dark);
  border-radius: 50%;
  width: 90px;
  height: 90px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(201,150,62,.5);
  text-align: center;
}
.badge-year { font-family: var(--font-serif); font-size: 1.6rem; font-weight: 700; line-height: 1; }
.badge-text { font-size: .55rem; font-weight: 600; line-height: 1.3; text-transform: uppercase; letter-spacing: .05em; }

.about-text { padding-bottom: 40px; }
.about-text p {
  color: var(--text-mid);
  line-height: 1.75;
  margin-bottom: 16px;
  font-size: .97rem;
}
.about-en { color: var(--text-light) !important; font-size: .88rem !important; }

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 32px;
}
.feature {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: var(--cream-dark);
  border-radius: 10px;
  font-size: .85rem;
  font-weight: 500;
  line-height: 1.4;
  color: var(--text-mid);
}
.feature-icon { font-size: 1.4rem; flex-shrink: 0; }
.feature small { font-weight: 400; color: var(--text-light); font-size: .78rem; display: block; }

/* ========== MENU ========== */
.menu-tabs {
  display: flex;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}
.menu-tab {
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.15);
  color: var(--cream-dark);
  font-family: var(--font-sans);
  font-size: .88rem;
  font-weight: 500;
  padding: 10px 24px;
  border-radius: 50px;
  cursor: pointer;
  transition: background .2s, border-color .2s, color .2s;
}
.menu-tab:hover,
.menu-tab.active {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--brown-dark);
  font-weight: 700;
}

.menu-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.menu-card {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform .25s, box-shadow .25s;
}
.menu-card:hover { transform: translateY(-4px); box-shadow: 0 12px 40px rgba(0,0,0,.3); }

.menu-card-img {
  aspect-ratio: 4/3;
  overflow: hidden;
}
.menu-card-img img { width: 100%; height: 100%; transition: transform .4s; }
.menu-card:hover .menu-card-img img { transform: scale(1.06); }

.menu-card-body { padding: 18px 20px; }
.menu-card-name {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--cream);
  margin-bottom: 6px;
}
.menu-card-name-en { font-size: .8rem; color: var(--gold-light); font-style: italic; margin-bottom: 8px; }
.menu-card-desc { font-size: .83rem; color: rgba(245,237,224,.65); line-height: 1.6; margin-bottom: 14px; }
.menu-card-price {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--gold);
  font-weight: 600;
}

/* ========== GALLERY INTRO ========== */
.gallery-intro {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-bottom: 48px;
}
.gallery-intro-item {
  display: flex;
  gap: 16px;
  padding: 20px;
  background: var(--cream-dark);
  border-radius: 12px;
  border-left: 3px solid var(--gold);
  transition: box-shadow .2s;
}
.gallery-intro-item:hover { box-shadow: var(--shadow); }
.gi-icon { font-size: 1.8rem; flex-shrink: 0; margin-top: 2px; }
.gallery-intro-item strong {
  display: block;
  font-size: .95rem;
  color: var(--brown-dark);
  margin-bottom: 6px;
  font-weight: 600;
}
.gallery-intro-item p {
  font-size: .84rem;
  color: var(--text-mid);
  line-height: 1.65;
  margin: 0;
}

/* ========== GALLERY ========== */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: auto;
  gap: 12px;
}
.gallery-item {
  position: relative;
  border-radius: 10px;
  overflow: hidden;
  aspect-ratio: 1;
  cursor: pointer;
}
.gallery-item.large {
  grid-column: span 2;
  grid-row: span 2;
  aspect-ratio: unset;
}
.gallery-item.tall {
  grid-row: span 2;
  aspect-ratio: unset;
}
.gallery-item img {
  width: 100%;
  height: 100%;
  transition: transform .5s ease;
}
.gallery-item:hover img { transform: scale(1.07); }

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(20,10,5,.7) 0%, transparent 60%);
  display: flex;
  align-items: flex-end;
  padding: 16px;
  opacity: 0;
  transition: opacity .3s;
}
.gallery-item:hover .gallery-overlay { opacity: 1; }
.gallery-overlay span {
  display: block;
  font-size: .85rem;
  font-weight: 600;
  color: var(--cream);
  letter-spacing: .04em;
  margin-bottom: 4px;
}
.gallery-overlay small {
  display: block;
  font-size: .75rem;
  color: rgba(255,255,255,.8);
  line-height: 1.4;
  font-weight: 400;
}

/* ========== BOOKING DIRECT ========== */
.booking-direct {
  position: relative;
  overflow: hidden;
}
.booking-bg-img {
  position: absolute;
  inset: 0;
  background-image: url('images/hero-2.jpg');
  background-size: cover;
  background-position: center 30%;
  opacity: .08;
  z-index: 0;
}
.booking-container { position: relative; z-index: 1; }

.booking-channels {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 900px;
  margin: 0 auto 32px;
}
.channel-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 40px 28px 32px;
  border-radius: 20px;
  text-decoration: none;
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.12);
  transition: transform .3s, background .3s, box-shadow .3s;
  cursor: pointer;
  gap: 0;
}
.channel-card:hover {
  transform: translateY(-8px);
  background: rgba(255,255,255,.13);
  box-shadow: 0 24px 60px rgba(0,0,0,.35);
}

.channel-icon-wrap {
  width: 72px; height: 72px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
  flex-shrink: 0;
}
.channel-zalo .channel-icon-wrap { background: #0068ff; }
.channel-phone .channel-icon-wrap { background: var(--gold); }
.channel-fb .channel-icon-wrap { background: #1877f2; }
.channel-svg { width: 32px; height: 32px; fill: #fff; }
.channel-phone .channel-svg { fill: var(--brown-dark); }

.channel-content { margin-bottom: 16px; }
.channel-content h3 {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  color: var(--cream);
  margin-bottom: 8px;
}
.channel-content p {
  font-size: .83rem;
  color: rgba(245,237,224,.65);
  line-height: 1.55;
  margin: 0;
}

.channel-number {
  font-size: .88rem;
  font-weight: 700;
  color: var(--gold-light);
  letter-spacing: .04em;
  margin-bottom: 20px;
  margin-top: auto;
}

.channel-cta-pill {
  display: inline-block;
  padding: 9px 22px;
  border-radius: 50px;
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .04em;
  border: 1.5px solid rgba(255,255,255,.3);
  color: var(--cream);
  transition: background .2s, border-color .2s;
}
.channel-card:hover .channel-cta-pill {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--brown-dark);
}

.booking-meta {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  font-size: .83rem;
  color: rgba(245,237,224,.5);
  max-width: 900px;
  margin: 0 auto;
  padding-top: 8px;
}
.bmeta-sep { opacity: .3; }

/* ========== NEARBY ========== */
.nearby-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 32px;
}
.nearby-card {
  background: var(--white);
  border-radius: 14px;
  padding: 28px 22px;
  box-shadow: var(--shadow);
  position: relative;
  transition: transform .25s, box-shadow .25s;
}
.nearby-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.nearby-icon { font-size: 2rem; margin-bottom: 8px; display: block; }
.nearby-dist {
  display: inline-block;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--gold);
  background: rgba(201,150,62,.12);
  border-radius: 50px;
  padding: 3px 10px;
  margin-bottom: 10px;
}
.nearby-card h4 {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  color: var(--brown-dark);
  margin-bottom: 8px;
}
.nearby-card p {
  font-size: .83rem;
  color: var(--text-mid);
  line-height: 1.6;
  margin-bottom: 6px;
}
.nearby-img {
  width: 100%;
  aspect-ratio: 16/9;
  overflow: hidden;
  border-radius: 10px 10px 0 0;
  margin: -28px -22px 16px;
  width: calc(100% + 44px);
}
.nearby-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.nearby-card:hover .nearby-img img { transform: scale(1.06); }

/* Itinerary */
.itinerary-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 32px;
}
.itinerary-card {
  background: var(--white);
  border-radius: 16px;
  padding: 28px;
  box-shadow: var(--shadow);
}
.itinerary-2d1n { border-top: 3px solid var(--gold); }
.itinerary-header { margin-bottom: 18px; }
.itinerary-badge {
  display: inline-block;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--gold);
  background: rgba(201,150,62,.1);
  border-radius: 50px;
  padding: 5px 14px;
}
.itin-day {
  font-family: var(--font-serif);
  font-size: .88rem;
  font-weight: 700;
  color: var(--brown-dark);
  margin: 14px 0 8px;
  padding-bottom: 4px;
  border-bottom: 1px solid rgba(201,150,62,.2);
}
.itin-step {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 7px 0;
  border-bottom: 1px solid rgba(0,0,0,.04);
  font-size: .83rem;
  color: var(--text-mid);
  line-height: 1.5;
}
.itin-time {
  flex-shrink: 0;
  width: 42px;
  font-weight: 700;
  color: var(--gold);
  font-size: .78rem;
  padding-top: 1px;
}

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

.nearby-tip {
  text-align: center;
  font-size: .88rem;
  color: var(--text-mid);
  background: var(--cream);
  border-radius: 12px;
  padding: 16px 24px;
  border-left: 3px solid var(--gold);
  line-height: 1.6;
}

/* ========== LANGUAGE TOGGLE ========== */
.lang-toggle {
  display: flex;
  align-items: center;
  gap: 3px;
  background: rgba(255,255,255,.1);
  border: 1.5px solid rgba(255,255,255,.25);
  border-radius: 50px;
  padding: 5px 14px;
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--cream);
  transition: background .2s, border-color .2s;
  flex-shrink: 0;
  margin-left: 8px;
}
.lang-toggle:hover { background: rgba(255,255,255,.18); border-color: var(--gold-light); }
.lang-sep { opacity: .4; }

/* Active language highlighting */
body.lang-vi .lang-vi-label { color: var(--gold-light); }
body.lang-vi .lang-en-label { opacity: .45; }
body.lang-en .lang-en-label { color: var(--gold-light); }
body.lang-en .lang-vi-label { opacity: .45; }

/* Hide/show lang-specific text */
body.lang-en [lang="vi"] { display: none !important; }
body.lang-vi [lang="en"] { display: none !important; }

/* In EN mode: show about-en without italic constraint */
body.lang-en .about-en { color: var(--text-mid) !important; font-size: .97rem !important; }
body.lang-en .about-en em { font-style: normal; }
body.lang-en .exp-en,
body.lang-en .dir-en { display: none; }

/* ========== REVIEWS ========== */
.reviews-section { padding: 80px 0; }

.reviews-cta-wrap {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 48px;
  align-items: center;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 20px;
  padding: 48px;
}

.reviews-score {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 12px;
}
.score-big {
  font-family: var(--font-serif);
  font-size: 5rem;
  font-weight: 700;
  color: var(--gold);
  line-height: 1;
}
.score-detail { display: flex; flex-direction: column; gap: 4px; }
.score-stars { font-size: 1.4rem; color: var(--gold-light); letter-spacing: 3px; }
.score-detail > span { font-size: .82rem; color: rgba(245,237,224,.6); }
.score-link {
  display: inline-block;
  margin-top: 8px;
  font-size: .82rem;
  color: var(--gold-light);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color .2s;
}
.score-link:hover { color: var(--gold); }

.reviews-action {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.reviews-action p {
  font-size: 1.05rem;
  color: var(--cream);
  line-height: 1.65;
}
.reviews-action em { color: rgba(245,237,224,.6); font-size: .88rem; }

.btn-review {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--gold);
  color: var(--brown-dark);
  font-weight: 700;
  font-size: .95rem;
  padding: 14px 28px;
  border-radius: 50px;
  width: fit-content;
  transition: background .2s, transform .15s;
  box-shadow: 0 4px 20px rgba(201,150,62,.3);
}
.btn-review:hover { background: var(--gold-light); transform: translateY(-2px); }
.btn-review span { display: inline-block; }

.review-note {
  font-size: .82rem;
  color: rgba(245,237,224,.5);
  font-style: italic;
}
.review-quotes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 28px;
}
.review-quote {
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 10px;
  padding: 22px;
}
.quote-stars {
  color: var(--gold-light);
  letter-spacing: 2px;
  font-size: .95rem;
  margin-bottom: 12px;
}
.review-quote p {
  color: rgba(245,237,224,.82);
  font-size: .9rem;
  line-height: 1.7;
  margin-bottom: 14px;
}
.review-quote span {
  color: var(--gold-light);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
}

/* ========== CONTACT ========== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 60px;
  align-items: start;
}

.contact-info { display: flex; flex-direction: column; gap: 16px; }
.contact-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px;
  background: var(--cream-dark);
  border-radius: 12px;
  transition: box-shadow .2s;
}
.contact-card:hover { box-shadow: var(--shadow); }
.contact-icon { font-size: 1.6rem; flex-shrink: 0; margin-top: 2px; }
.contact-card h4 {
  font-family: var(--font-serif);
  font-size: .95rem;
  color: var(--brown-dark);
  margin-bottom: 4px;
}
.contact-card p {
  font-size: .88rem;
  color: var(--text-mid);
  line-height: 1.6;
}
.contact-card a { color: var(--brown-mid); font-weight: 500; }
.contact-card a:hover { color: var(--gold); }

.contact-directions {
  padding: 20px;
  background: var(--cream-dark);
  border-radius: 12px;
  border-left: 3px solid var(--gold);
}
.contact-directions h4 {
  font-family: var(--font-serif);
  font-size: .95rem;
  color: var(--brown-dark);
  margin-bottom: 8px;
}
.contact-directions p { font-size: .85rem; color: var(--text-mid); line-height: 1.6; margin-bottom: 6px; }

.map-panel {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.map-wrap {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 3px solid var(--cream-dark);
}
.map-wrap iframe { display: block; }
.map-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.map-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 11px 18px;
  border-radius: 999px;
  background: var(--cream-dark);
  color: var(--brown-dark);
  font-weight: 800;
  font-size: .88rem;
  transition: background .2s, color .2s, transform .15s;
}
.map-action.primary {
  background: var(--green-dark);
  color: var(--cream);
}
.map-action:hover {
  transform: translateY(-1px);
  background: var(--gold);
  color: var(--brown-dark);
}

/* ========== FOOTER ========== */
footer {
  background: var(--brown-dark);
  color: var(--cream);
}
.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 60px 24px 40px;
  display: grid;
  grid-template-columns: 2fr 1fr 1.5fr;
  gap: 48px;
}

.footer-brand h3 {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  margin-bottom: 12px;
  color: var(--cream);
}
.footer-brand p {
  font-size: .88rem;
  color: rgba(245,237,224,.65);
  line-height: 1.65;
}

.footer-links h4, .footer-contact h4 {
  font-size: .8rem;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 16px;
}
.footer-links ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-links a, .footer-contact a {
  font-size: .88rem;
  color: rgba(245,237,224,.7);
  transition: color .2s;
}
.footer-links a:hover, .footer-contact a:hover { color: var(--gold-light); }

.footer-contact p { font-size: .88rem; color: rgba(245,237,224,.7); margin-bottom: 8px; line-height: 1.6; }

.footer-social { display: flex; gap: 12px; margin-top: 16px; }
.footer-social a {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,.08);
  display: flex; align-items: center; justify-content: center;
  color: var(--cream-dark);
  transition: background .2s, color .2s;
}
.footer-social a:hover { background: var(--gold); color: var(--brown-dark); }
.footer-social svg { width: 16px; height: 16px; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  text-align: center;
  padding: 20px 24px;
  font-size: .8rem;
  color: rgba(245,237,224,.4);
}

/* ========== LIGHTBOX ========== */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.92);
  z-index: 9999;
  align-items: center;
  justify-content: center;
  padding: 24px;
  display: none;
}
.lightbox:not([hidden]) {
  display: flex;
}
.lightbox img {
  max-width: 90vw;
  max-height: 85vh;
  border-radius: 8px;
  box-shadow: 0 20px 80px rgba(0,0,0,.8);
}
.lightbox-close {
  position: absolute;
  top: 20px; right: 24px;
  background: none;
  border: none;
  color: white;
  font-size: 1.5rem;
  cursor: pointer;
  padding: 8px;
  opacity: .8;
  transition: opacity .2s;
}
.lightbox-close:hover { opacity: 1; }

/* ========== ANIMATIONS ========== */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .6s ease, transform .6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: none;
}

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-item:nth-child(2) { border-right: none; }
  .exp-grid { grid-template-columns: repeat(2, 1fr); }
  .nearby-grid { grid-template-columns: repeat(2, 1fr); }
  .booking-channels { grid-template-columns: repeat(3, 1fr); }
  .reviews-cta-wrap { grid-template-columns: 1fr; gap: 32px; padding: 32px; }
  .reviews-score { flex-direction: row; text-align: left; align-items: center; gap: 24px; }
  .about-grid { grid-template-columns: 1fr; gap: 60px; }
  .about-img-secondary { right: 0; bottom: -30px; width: 45%; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-content { grid-template-columns: 1fr 1fr; }
  .gallery-grid { grid-template-columns: repeat(3, 1fr); }
  .gallery-item.large { grid-column: span 2; }
}

@media (max-width: 768px) {
  :root { --nav-h: 60px; }
  body { padding-bottom: 76px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-item:nth-child(2) { border-right: none; }
  .stat-item:nth-child(3) { border-right: 1px solid rgba(255,255,255,.1); }
  .stat-item { padding: 18px 12px; }
  .exp-grid { grid-template-columns: 1fr 1fr; }
  .visit-grid { grid-template-columns: 1fr; max-width: 520px; margin: 0 auto; }
  .review-quotes { grid-template-columns: 1fr; }
  .nearby-grid { grid-template-columns: 1fr 1fr; }
  .booking-channels { grid-template-columns: 1fr; max-width: 440px; }
  .reviews-cta-wrap { padding: 24px; }
  .score-big { font-size: 3.5rem; }
  .float-contact {
    left: 12px;
    right: 12px;
    bottom: 12px;
    flex-direction: row;
    gap: 8px;
  }
  .float-btn {
    flex: 1;
    justify-content: center;
    padding: 12px 9px;
    border-radius: 999px;
    font-size: .78rem;
  }
  .float-btn .float-label { display: inline; }
  .float-btn svg { width: 20px; height: 20px; }

  .hamburger { display: flex; }

  .nav-container { gap: 12px; }
  .nav-logo { min-width: 0; }
  .logo-vi { font-size: 1rem; }
  .logo-en { font-size: .58rem; }

  .nav-links {
    position: fixed;
    top: var(--nav-h);
    left: 0; right: 0;
    background: rgba(41,21,10,.98);
    backdrop-filter: blur(12px);
    flex-direction: column;
    padding: 24px;
    gap: 4px;
    transform: translateY(-120%);
    transition: transform .35s cubic-bezier(.4,0,.2,1);
    box-shadow: 0 10px 30px rgba(0,0,0,.3);
  }
  .nav-links.open { transform: translateY(0); }
  .nav-links li { width: 100%; }
  .nav-links a { display: block; padding: 12px 16px; font-size: .95rem; border-radius: 8px; }
  .btn-nav { text-align: center; margin-top: 8px; }

  .section { padding: 64px 0; }

  .highlight-bar { flex-direction: column; }
  .highlight-item { border-right: none; border-bottom: 1px solid rgba(255,255,255,.1); justify-content: center; }

  .about-images { min-height: 360px; }
  .about-img-secondary { right: 8px; bottom: -20px; width: 42%; }
  .about-features { grid-template-columns: 1fr; }
  .gallery-intro { grid-template-columns: 1fr; }
  .about-badge { left: 8px; width: 75px; height: 75px; }
  .badge-year { font-size: 1.3rem; }

  .gallery-grid {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto;
  }
  .gallery-item.large { grid-column: span 2; }
  .gallery-item.tall { grid-row: span 1; aspect-ratio: 1; }

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

  .contact-grid { gap: 40px; }
  .map-actions { flex-direction: column; }
  .map-action { width: 100%; }
}

@media (max-width: 480px) {
  .exp-grid { grid-template-columns: 1fr; }
  .nearby-grid { grid-template-columns: 1fr; }
  .lang-toggle {
    display: flex;
    padding: 5px 10px;
    font-size: .68rem;
    margin-left: 0;
  }
  .hero-subtitle-top {
    max-width: 310px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
    letter-spacing: .16em;
  }
  .title-vi,
  body.lang-en .title-en {
    font-size: clamp(2rem, 12vw, 3.25rem);
  }
  .hero-proof-row {
    gap: 8px;
    margin: 18px auto 28px;
  }
  .hero-proof-row span {
    font-size: .72rem;
    padding: 7px 10px;
  }
  .hero-cta { flex-direction: column; align-items: center; }
  .btn-primary, .btn-secondary { width: 100%; max-width: 280px; text-align: center; }

  .gallery-grid { grid-template-columns: 1fr; }
  .gallery-item.large { grid-column: span 1; }
  .gallery-item { aspect-ratio: 4/3; }

  .menu-grid { grid-template-columns: 1fr; }

  .section-header.center { margin-bottom: 40px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
  }
}