/* =========================================
   NỘI THẤT VƯƠNG QUỐC – style.css
   ========================================= */

/* ---- VARIABLES ---- */
:root {
  --gold: #B07A10;
  --gold-light: #D4A020;
  --gold-dark: #8A5C08;
  --cream: #FDF6EC;
  --ivory: #F5EDD6;
  --deep: #3D2B1F;
  --brown: #5C3D1E;
  --text: #2C1810;
  --muted: #7A5C3E;
  --white: #fff;
  --radius: 6px;
  --shadow: 0 4px 24px rgba(0,0,0,.10);
  --shadow-lg: 0 12px 48px rgba(0,0,0,.18);
  --transition: all .3s ease;
  --header-h: 70px;
}

/* ---- RESET ---- */
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; font-size:16px; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior:auto; }
  *, *::before, *::after { animation-duration:.01ms !important; transition-duration:.01ms !important; }
}
body { font-family:'Be Vietnam Pro',sans-serif; background:var(--cream); color:var(--text); overflow-x:hidden; line-height:1.6; }
img { display:block; max-width:100%; }
a { text-decoration:none; color:inherit; }
button { cursor:pointer; font-family:inherit; }
ul { list-style:none; }

/* ---- UTILITIES ---- */
.container { max-width:1200px; margin:0 auto; padding:0 40px; }
.container-wide { max-width:1400px; margin:0 auto; padding:0 40px; }
.container-sm { max-width:820px; margin:0 auto; padding:0 40px; }
.section { padding:90px 0; }

/* SECTION LABELS */
.section-tag { font-size:11px; letter-spacing:4px; text-transform:uppercase; color:var(--gold); margin-bottom:12px; text-align:center; display:block; }
.section-tag-light { color:var(--gold-light); }
.section-title { font-family:'Playfair Display',serif; font-size:clamp(28px,4vw,48px); text-align:center; color:var(--brown); margin-bottom:16px; line-height:1.2; }
.section-title-light { color:#fff; }
.section-desc { text-align:center; color:var(--muted); font-size:16px; max-width:580px; margin:0 auto 52px; line-height:1.75; }
.section-desc-light { color:rgba(255,255,255,.65); }

/* BUTTONS */
.btn { display:inline-block; padding:13px 32px; font-size:12px; letter-spacing:2px; text-transform:uppercase; font-weight:700; font-family:'Be Vietnam Pro',sans-serif; border-radius:var(--radius); transition:var(--transition); border:none; cursor:pointer; }
.btn-primary { background:var(--gold); color:#fff; }
.btn-primary:hover { background:var(--gold-dark); transform:translateY(-2px); box-shadow:0 6px 20px rgba(176,122,16,.4); }
.btn-outline-white { background:transparent; color:#fff; border:1px solid rgba(255,255,255,.5); }
.btn-outline-white:hover { background:rgba(255,255,255,.1); border-color:#fff; }
.btn-nav { background:var(--gold); color:#fff; padding:9px 22px; font-size:11px; }
.btn-nav:hover { background:var(--gold-dark); }
.btn-full { width:100%; text-align:center; padding:16px; }

/* REVEAL ANIMATION */
.reveal { opacity:0; transform:translateY(28px); transition:opacity .65s ease, transform .65s ease; }
.reveal.visible { opacity:1; transform:translateY(0); }

/* SCROLL PROGRESS BAR */
#scrollProgress {
  position:fixed; top:0; left:0; height:2px; width:0;
  background:linear-gradient(90deg,var(--gold-dark),var(--gold),var(--gold-light));
  z-index:9999; transition:width .1s linear; pointer-events:none;
}

/* =========================================
   PROMO BAR
   ========================================= */
.promo-bar {
  background:var(--gold-dark);
  color:#fff;
  text-align:center;
  padding:10px 48px;
  font-size:13px;
  position:relative;
  z-index:300;
}
.promo-bar p { line-height:1.4; }
.promo-bar a { color:var(--gold-light); text-decoration:underline; font-weight:700; }
.promo-close {
  position:absolute; right:16px; top:50%; transform:translateY(-50%);
  background:none; border:none; color:rgba(255,255,255,.7); font-size:16px;
  line-height:1; padding:4px;
}
.promo-close:hover { color:#fff; }

/* =========================================
   HEADER
   ========================================= */
.header {
  position:sticky; top:0; left:0; right:0; z-index:200;
  background:rgba(61,43,31,.97);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(176,122,16,.25);
  height:var(--header-h);
  transition:box-shadow .3s;
}
.header.scrolled { box-shadow:0 4px 30px rgba(0,0,0,.4); }
.header-inner { max-width:1400px; margin:0 auto; padding:0 40px; height:100%; display:flex; align-items:center; justify-content:space-between; }

.logo { display:flex; align-items:center; }
.logo-img { height:48px; width:auto; display:block; transition:opacity .25s; }
.logo:hover .logo-img { opacity:.85; }

.desktop-nav { display:flex; align-items:center; gap:6px; }
.nav-link { color:rgba(255,255,255,.75); font-size:12px; letter-spacing:1.5px; text-transform:uppercase; font-weight:500; padding:6px 10px; transition:color .25s; }
.nav-link:hover, .nav-link.active { color:var(--gold-light); }

/* Hamburger */
.hamburger { display:none; flex-direction:column; gap:5px; background:none; border:none; padding:6px; }
.hamburger span { display:block; width:22px; height:2px; background:var(--gold-light); transition:var(--transition); border-radius:1px; }
.hamburger.open span:nth-child(1) { transform:translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity:0; transform:scaleX(0); }
.hamburger.open span:nth-child(3) { transform:translateY(-7px) rotate(-45deg); }

/* Mobile nav */
.mobile-nav {
  display:none; position:fixed; top:var(--header-h); left:0; right:0;
  background:rgba(42,26,13,.98); z-index:199;
  padding:12px 0 20px; border-bottom:1px solid rgba(176,122,16,.2);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
}
.mobile-nav.open { display:block; }
.mobile-nav-link {
  display:block; padding:15px 28px; color:rgba(255,255,255,.8);
  font-size:13px; letter-spacing:2px; text-transform:uppercase; font-weight:500;
  border-bottom:1px solid rgba(255,255,255,.05);
  transition:color .2s, background .2s;
}
.mobile-nav-link:last-child { border-bottom:none; }
.mobile-nav-link:hover { color:var(--gold-light); background:rgba(176,122,16,.07); }
.mobile-nav-cta { color:var(--gold-light); font-weight:700; margin-top:8px; }

/* =========================================
   HERO
   ========================================= */
.hero {
  min-height:100vh; min-height:100svh; display:flex; align-items:center; justify-content:center;
  text-align:center; position:relative; overflow:hidden;
  background:var(--deep);
}
.hero-slides { position:absolute; inset:0; }
.hero-slide {
  position:absolute; inset:0;
  background-size:cover; background-position:center;
  opacity:0; transition:opacity 1.8s ease;
}
.hero-slide.active { opacity:.22; animation:heroZoom 8s ease-in-out forwards; }
@keyframes heroZoom { from { transform:scale(1); } to { transform:scale(1.06); } }

.hero-dots {
  position:absolute; bottom:96px; left:50%; transform:translateX(-50%);
  display:flex; gap:8px; z-index:3;
}
.hero-dot {
  width:7px; height:7px; border-radius:4px; padding:0;
  background:rgba(255,255,255,.35); cursor:pointer;
  transition:background .35s, transform .35s, width .35s;
  border:1px solid rgba(255,255,255,.2);
}
.hero-dot.active { background:var(--gold); width:26px; border-color:var(--gold); }
.hero-overlay { position:absolute; inset:0; background:linear-gradient(180deg,rgba(61,43,31,.55) 0%,rgba(61,43,31,.30) 50%,rgba(61,43,31,.72) 100%); }
.hero-content { position:relative; z-index:2; padding:40px 24px; animation:fadeUp .9s ease both; }
@keyframes fadeUp { from { opacity:0; transform:translateY(30px); } to { opacity:1; transform:translateY(0); } }

.hero-tag { display:inline-block; border:1px solid rgba(176,122,16,.6); color:var(--gold-light); font-size:10px; letter-spacing:4px; text-transform:uppercase; padding:8px 22px; margin-bottom:28px; }
.hero-title { font-family:'Playfair Display',serif; font-size:clamp(48px,9vw,100px); color:#fff; line-height:1.05; margin-bottom:14px; font-style:italic; }
.hero-title span { color:var(--gold-light); }
.hero-tagline { font-family:'Playfair Display',serif; font-size:clamp(18px,2.5vw,22px); color:rgba(255,255,255,.80); margin-bottom:12px; font-style:italic; }
.hero-location { color:var(--gold); font-size:12px; letter-spacing:4px; text-transform:uppercase; margin-bottom:44px; }
.hero-actions { display:flex; gap:16px; justify-content:center; flex-wrap:wrap; }

.hero-scroll-hint {
  position:absolute; bottom:36px; left:50%; transform:translateX(-50%);
  display:flex; flex-direction:column; align-items:center; gap:10px; z-index:2;
  color:rgba(255,255,255,.45); font-size:10px; letter-spacing:2px; text-transform:uppercase;
  animation:bounce 2s ease-in-out infinite;
}
.scroll-line { width:1px; height:50px; background:linear-gradient(to bottom,var(--gold),transparent); }
@keyframes bounce { 0%,100% { transform:translateX(-50%) translateY(0); } 50% { transform:translateX(-50%) translateY(6px); } }

/* =========================================
   STATS BAR
   ========================================= */
.stats-bar {
  background:var(--deep);
  display:grid; grid-template-columns:repeat(4,1fr);
  border-top:2px solid rgba(176,122,16,.3);
}
.stat-item {
  text-align:center; padding:36px 20px;
  border-right:1px solid rgba(176,122,16,.15);
  position:relative;
}
.stat-item:last-child { border-right:none; }
.stat-num {
  font-family:'Playfair Display',serif;
  font-size:clamp(36px,5vw,56px);
  color:var(--gold-light); font-weight:700; line-height:1; display:inline;
}
.stat-suffix { display:inline; font-family:'Playfair Display',serif; font-size:clamp(24px,3vw,36px); color:var(--gold); font-weight:700; }
.stat-label { color:rgba(255,255,255,.55); font-size:11px; letter-spacing:2px; text-transform:uppercase; margin-top:8px; }

/* =========================================
   WHY US
   ========================================= */
.why-us { background:#fff; }
.why-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:2px; margin-top:0; }
.why-card {
  background:var(--cream); padding:40px 32px; text-align:center;
  transition:background .3s, box-shadow .3s, transform .3s;
  border:1px solid transparent;
}
.why-card:hover { background:#fff; border-color:rgba(176,122,16,.2); transform:translateY(-4px); box-shadow:var(--shadow); }
.why-icon { font-size:40px; margin-bottom:18px; display:block; }
.why-card h3 { font-family:'Playfair Display',serif; font-size:19px; color:var(--brown); margin-bottom:12px; }
.why-card p { color:var(--muted); font-size:14px; line-height:1.75; }

/* =========================================
   HERO WOOD (no slideshow – gradient background)
   ========================================= */
.hero-wood { background:linear-gradient(135deg,#3D2B1F 0%,#5C3D1E 45%,#7A5530 100%); }
.hero-wood-bg {
  position:absolute; inset:0; opacity:.15;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='800' height='600'%3E%3Cellipse cx='600' cy='300' rx='280' ry='240' fill='%23A0722A' opacity='.08'/%3E%3Crect x='420' y='80' width='240' height='160' rx='8' fill='%234A3520' opacity='.6'/%3E%3Crect x='440' y='100' width='100' height='120' rx='4' fill='%23C9A05A' opacity='.5'/%3E%3Crect x='560' y='100' width='80' height='120' rx='4' fill='%238A6030' opacity='.5'/%3E%3Crect x='420' y='256' width='240' height='14' rx='3' fill='%23C9A05A' opacity='.4'/%3E%3Crect x='450' y='270' width='50' height='70' rx='3' fill='%234A3520' opacity='.7'/%3E%3Crect x='560' y='270' width='50' height='70' rx='3' fill='%234A3520' opacity='.7'/%3E%3C/svg%3E");
  background-size:contain; background-repeat:no-repeat; background-position:center right;
}

/* =========================================
   CATEGORIES
   ========================================= */
.categories { background:#fff; }
.cat-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:20px; }
.cat-card {
  background:var(--cream); border-radius:12px; border:1px solid rgba(200,150,106,.2);
  overflow:hidden; cursor:pointer; transition:transform .25s, box-shadow .25s;
}
.cat-card:hover { transform:translateY(-5px); box-shadow:0 10px 28px rgba(91,61,30,.12); }
.cat-img { height:140px; display:flex; align-items:center; justify-content:center; font-size:50px; }
.cat-phong-khach { background:#FDF3E7; }
.cat-ngoai-troi  { background:#EBF5E8; }
.cat-phong-an    { background:#FFF0E8; }
.cat-phong-ngu   { background:#EEF0FF; }
.cat-info { padding:14px 16px; }
.cat-name { font-family:'Playfair Display',serif; font-size:15px; font-weight:600; color:var(--brown); margin-bottom:4px; }
.cat-count { font-size:12px; color:var(--muted); }
.cat-tag { display:inline-block; background:var(--ivory); color:var(--brown); font-size:11px; padding:2px 8px; border-radius:4px; margin-top:6px; }

/* =========================================
   PRODUCTS (tab filter + grid)
   ========================================= */
.products { background:var(--cream); }
.prod-tabs { display:flex; justify-content:center; gap:8px; margin-bottom:32px; flex-wrap:wrap; }
.prod-tab {
  padding:8px 22px; border-radius:22px; border:1.5px solid rgba(200,150,106,.35);
  background:transparent; color:var(--muted); font-size:13px; font-family:'Nunito',sans-serif;
  cursor:pointer; transition:var(--transition);
}
.prod-tab.active { background:var(--brown); color:#fff; border-color:var(--brown); }
.prod-tab:hover:not(.active) { border-color:var(--gold); color:var(--brown); }

.prod-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:20px; }
.prod-card {
  background:#fff; border-radius:14px; border:1px solid rgba(176,122,16,.15);
  overflow:hidden; cursor:pointer; transition:transform .3s, box-shadow .3s;
  box-shadow:0 2px 12px rgba(0,0,0,.06); display:flex; flex-direction:column;
}
.prod-card:hover { transform:translateY(-6px); box-shadow:0 12px 32px rgba(74,53,32,.14); }
.prod-img-wrap { position:relative; overflow:hidden; height:200px; flex-shrink:0; }
.prod-img-wrap img { width:100%; height:100%; object-fit:cover; transition:transform .6s ease; }
.prod-card:hover .prod-img-wrap img { transform:scale(1.07); }
.prod-badge { position:absolute; top:10px; left:10px; font-size:10px; letter-spacing:.8px; padding:3px 10px; font-weight:700; text-transform:uppercase; color:#fff; border-radius:3px; font-family:'Nunito',sans-serif; }
.prod-badge-new     { background:var(--gold); }
.prod-badge-hot     { background:#B85C2A; }
.prod-badge-premium { background:var(--gold-dark); }
.prod-badge-sale    { background:#C0392B; }
.prod-type { font-size:10px; color:var(--gold); font-family:'Nunito',sans-serif; font-weight:700; letter-spacing:1.2px; text-transform:uppercase; margin-bottom:6px; }
.prod-body { padding:14px 16px 16px; flex:1; display:flex; flex-direction:column; }
.prod-name { font-family:'Playfair Display',serif; font-size:16px; line-height:1.4; color:var(--brown); margin-bottom:5px; }
.prod-mat  { font-size:11px; color:var(--muted); margin-bottom:8px; font-family:'Nunito',sans-serif; }
.prod-desc { font-size:12.5px; color:var(--muted); line-height:1.65; margin-bottom:14px; flex:1; display:-webkit-box; -webkit-line-clamp:3; -webkit-box-orient:vertical; overflow:hidden; font-family:'Nunito',sans-serif; }
.prod-footer { display:flex; align-items:center; justify-content:space-between; border-top:1px solid rgba(176,122,16,.12); padding-top:12px; margin-top:auto; gap:8px; }
.prod-price { font-family:'Playfair Display',serif; font-size:17px; font-weight:700; color:var(--gold-dark); white-space:nowrap; }
.prod-price-old { font-size:12px; color:#bbb; text-decoration:line-through; margin-left:6px; }
.prod-btn { background:var(--brown); color:#fff; border:none; padding:7px 14px; border-radius:6px; font-size:11.5px; font-family:'Nunito',sans-serif; font-weight:700; cursor:pointer; transition:background .25s; white-space:nowrap; flex-shrink:0; }
.prod-btn:hover { background:var(--gold-dark); }

/* =========================================
   HOW IT WORKS (5 steps support)
   ========================================= */
.how-works { background:var(--ivory); }
.steps-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:0; position:relative; }
.steps-5 { grid-template-columns:repeat(5,1fr); }
.steps-grid::before {
  content:''; position:absolute; top:40px; left:10%; right:10%;
  height:1px; background:linear-gradient(to right,transparent,var(--gold),var(--gold),transparent);
  z-index:0;
}
.step-item { text-align:center; padding:0 16px; position:relative; z-index:1; }
.step-num { font-family:'Playfair Display',serif; font-size:11px; letter-spacing:3px; color:var(--gold); margin-bottom:12px; display:block; }
.step-icon { font-size:32px; width:80px; height:80px; background:#fff; border:2px solid rgba(176,122,16,.3); border-radius:50%; display:flex; align-items:center; justify-content:center; margin:0 auto 20px; box-shadow:var(--shadow); }
.step-item h3 { font-family:'Playfair Display',serif; font-size:16px; color:var(--brown); margin-bottom:10px; }
.step-item p { font-size:13px; color:var(--muted); line-height:1.65; }

/* Product quick-view modal (smaller) */
.modal-box-sm { max-width:520px; padding:0; }

/* =========================================
   GALLERY
   ========================================= */
.gallery { background:var(--deep); }
.gallery-grid {
  display:grid;
  grid-template-columns:repeat(3,1fr);
  grid-template-rows:260px 260px;
  gap:6px;
}
.gallery-item { overflow:hidden; position:relative; cursor:pointer; }
.gallery-item img { width:100%; height:100%; object-fit:cover; transition:transform .5s ease, filter .4s; filter:brightness(.82); }
.gallery-item:hover img { transform:scale(1.06); filter:brightness(1); }
.gallery-overlay { position:absolute; inset:0; background:rgba(61,43,31,.50); opacity:0; display:flex; align-items:center; justify-content:center; transition:opacity .3s; }
.gallery-overlay span { color:#fff; font-size:14px; letter-spacing:2px; font-weight:600; }
.gallery-item:hover .gallery-overlay { opacity:1; }

/* =========================================
   SERVICES
   ========================================= */
.services { background:#fff; }
.services-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:1px; background:#E8DDD0; border:1px solid #E8DDD0; }
.svc-card { background:#fff; padding:42px 28px; text-align:center; transition:background .3s, transform .3s; }
.svc-card:hover { background:var(--ivory); transform:translateY(-3px); }
.svc-icon { font-size:40px; width:72px; height:72px; background:linear-gradient(135deg,var(--ivory),#fff); border:1px solid rgba(176,122,16,.25); border-radius:50%; display:flex; align-items:center; justify-content:center; margin:0 auto 22px; }
.svc-card h3 { font-family:'Playfair Display',serif; font-size:18px; color:var(--brown); margin-bottom:12px; }
.svc-card p { color:var(--muted); font-size:13px; line-height:1.75; }

/* =========================================
   TESTIMONIALS
   ========================================= */
.testimonials { background:var(--ivory); }
.reviews-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
.review-card { background:#fff; padding:36px; border-top:3px solid var(--gold); box-shadow:var(--shadow); transition:transform .3s, box-shadow .3s; }
.review-card:hover { transform:translateY(-4px); box-shadow:var(--shadow-lg); }
.review-stars { color:var(--gold); font-size:18px; letter-spacing:2px; margin-bottom:18px; }
.review-text { font-family:'Cormorant Garamond',serif; font-size:17px; color:var(--brown); line-height:1.75; font-style:italic; margin-bottom:22px; }
.review-author { display:flex; gap:14px; align-items:center; }
.review-avatar { width:44px; height:44px; min-width:44px; border-radius:50%; background:var(--gold); color:#fff; display:flex; align-items:center; justify-content:center; font-size:14px; font-weight:700; }
.review-name { font-weight:700; font-size:13px; color:var(--text); }
.review-date { color:var(--muted); font-size:12px; margin-top:2px; }

/* =========================================
   OFFERS STRIP
   ========================================= */
.offers-strip { background:var(--deep); padding:60px 0; border-top:1px solid rgba(176,122,16,.2); border-bottom:1px solid rgba(176,122,16,.2); }
.offers-grid { display:grid; grid-template-columns:1fr auto 1fr auto 1fr auto 1fr; align-items:center; gap:0; }
.offer-divider { width:1px; height:80px; background:rgba(176,122,16,.2); }
.offer-item { text-align:center; padding:0 32px; display:flex; align-items:center; gap:18px; justify-content:center; }
.offer-icon { font-size:32px; flex-shrink:0; }
.offer-body { text-align:left; }
.offer-label { font-size:10px; letter-spacing:2px; color:rgba(255,255,255,.45); text-transform:uppercase; margin-bottom:4px; }
.offer-value { font-family:'Playfair Display',serif; font-size:28px; color:var(--gold-light); font-weight:700; line-height:1.1; }
.offer-desc { font-size:11px; color:rgba(255,255,255,.45); margin-top:3px; line-height:1.4; }
.offer-cta { text-align:center; padding:0 32px; }
.offer-cta-sub { font-size:11px; letter-spacing:1.5px; color:rgba(255,255,255,.45); text-transform:uppercase; margin-bottom:4px; }
.offer-cta-time { font-family:'Playfair Display',serif; font-size:38px; color:var(--gold-light); font-weight:700; line-height:1; margin-bottom:16px; }

/* =========================================
   FAQ
   ========================================= */
.faq { background:#fff; }
.faq-list { display:flex; flex-direction:column; gap:0; border:1px solid #E8DDD0; }
.faq-item { border-bottom:1px solid #E8DDD0; }
.faq-item:last-child { border-bottom:none; }
.faq-q {
  width:100%; text-align:left; background:none; border:none;
  padding:22px 28px; font-size:15px; font-weight:600; color:var(--text);
  display:flex; justify-content:space-between; align-items:center; gap:16px;
  transition:background .2s, color .2s;
}
.faq-q:hover { background:var(--cream); color:var(--gold-dark); }
.faq-q[aria-expanded="true"] { background:var(--cream); color:var(--gold-dark); }
.faq-icon { font-size:22px; font-weight:300; color:var(--gold); flex-shrink:0; transition:transform .3s; }
.faq-q[aria-expanded="true"] .faq-icon { transform:rotate(45deg); }
.faq-a { max-height:0; overflow:hidden; transition:max-height .4s ease, padding .3s; }
.faq-a.open { max-height:300px; }
.faq-a p { padding:4px 28px 22px; color:var(--muted); font-size:14px; line-height:1.8; }

/* =========================================
   CONTACT
   ========================================= */
.contact { background:var(--deep); }
.contact-layout { display:grid; grid-template-columns:1fr 1.2fr; gap:60px; align-items:start; }

.contact-info h3 { font-family:'Playfair Display',serif; color:var(--gold-light); font-size:26px; margin-bottom:28px; }
.contact-item { display:flex; gap:16px; margin-bottom:22px; align-items:flex-start; }
.contact-icon-wrap { width:40px; height:40px; min-width:40px; background:rgba(176,122,16,.12); border:1px solid rgba(176,122,16,.25); display:flex; align-items:center; justify-content:center; font-size:15px; flex-shrink:0; }
.contact-label { color:var(--gold-light); font-size:11px; letter-spacing:1.5px; text-transform:uppercase; font-weight:700; margin-bottom:4px; }
.contact-text { color:rgba(255,255,255,.75); font-size:14px; line-height:1.7; }
.contact-text a { color:rgba(255,255,255,.75); transition:color .2s; }
.contact-text a:hover { color:var(--gold-light); }
.contact-badges { display:flex; flex-wrap:wrap; gap:8px; margin-top:28px; }
.badge { background:rgba(176,122,16,.15); border:1px solid rgba(176,122,16,.3); color:var(--gold-light); font-size:11px; padding:5px 14px; letter-spacing:.5px; }

.contact-form-wrap { background:rgba(255,255,255,.04); border:1px solid rgba(176,122,16,.15); padding:36px; }
.contact-form .form-group { margin-bottom:16px; }
.contact-form label { display:block; font-size:11px; letter-spacing:1px; text-transform:uppercase; color:var(--gold-light); margin-bottom:7px; font-weight:600; }
.contact-form input,
.contact-form select,
.contact-form textarea {
  width:100%; padding:13px 16px;
  background:rgba(255,255,255,.06); border:1px solid rgba(176,122,16,.2);
  color:#fff; font-family:'Nunito',sans-serif; font-size:13px;
  outline:none; transition:border-color .3s;
}
.contact-form input::placeholder { color:rgba(255,255,255,.35); }
.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus { border-color:var(--gold); }
.contact-form select { color:rgba(255,255,255,.5); }
.contact-form select option { background:#2C1810; color:#fff; }
.contact-form textarea { resize:none; }
.contact-form input.input-invalid,
.contact-form select.input-invalid,
.contact-form textarea.input-invalid { border-color:#FF6B6B !important; }
.contact-form .field-err { color:#FF8A80; font-size:11px; margin-top:5px; }
.form-row-2 { display:grid; grid-template-columns:1fr 1fr; gap:14px; }
.form-note { text-align:center; color:rgba(255,255,255,.35); font-size:11px; margin-top:12px; }

/* =========================================
   FOOTER
   ========================================= */
.footer { background:#2A1A0D; border-top:1px solid rgba(212,134,58,.15); }
.footer-top { max-width:1200px; margin:0 auto; padding:72px 40px 48px; display:grid; grid-template-columns:1.8fr 1fr 1fr 1fr; gap:48px; }
.footer-logo { font-family:'Playfair Display',serif; color:var(--gold-light); font-size:28px; font-style:italic; margin-bottom:6px; }
.footer-tagline { color:rgba(255,255,255,.35); font-size:10px; letter-spacing:3px; margin-bottom:16px; }
.footer-about { color:rgba(255,255,255,.45); font-size:13px; line-height:1.75; }
.footer-col-title { color:var(--gold-light); font-size:11px; letter-spacing:2px; text-transform:uppercase; font-weight:700; margin-bottom:18px; }
.footer-col a { display:block; color:rgba(255,255,255,.5); font-size:13px; margin-bottom:10px; transition:color .2s; }
.footer-col a:hover { color:var(--gold-light); }
.footer-divider { height:1px; background:rgba(255,255,255,.06); }
.footer-bottom { max-width:1200px; margin:0 auto; padding:22px 40px; display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:12px; }
.footer-copy { color:rgba(255,255,255,.25); font-size:12px; }
.footer-links { display:flex; gap:24px; flex-wrap:wrap; }
.footer-links a { color:rgba(255,255,255,.35); font-size:12px; transition:color .2s; }
.footer-links a:hover { color:var(--gold-light); }

/* =========================================
   PRODUCT MODAL
   ========================================= */
.modal-overlay { display:none; position:fixed; inset:0; z-index:1000; background:rgba(0,0,0,.88); -webkit-backdrop-filter:blur(6px); backdrop-filter:blur(6px); align-items:center; justify-content:center; }
.modal-overlay.active { display:flex; }
.modal-box { background:var(--cream); width:97vw; max-width:1180px; max-height:94vh; position:relative; display:flex; flex-direction:column; overflow:hidden; }
.modal-close { position:absolute; top:14px; right:18px; background:none; border:none; font-size:22px; color:var(--muted); z-index:20; transition:color .2s; }
.modal-close:hover { color:var(--text); }

/* =========================================
   LIGHTBOX
   ========================================= */
.lightbox-overlay { display:none; position:fixed; inset:0; z-index:2000; background:rgba(0,0,0,.94); align-items:center; justify-content:center; }
.lightbox-overlay.active { display:flex; }
.lightbox-box { position:relative; max-width:90vw; max-height:90vh; display:flex; align-items:center; justify-content:center; }
.lightbox-img { max-width:85vw; max-height:80vh; object-fit:contain; display:block; }
.lightbox-close { position:absolute; top:-44px; right:0; background:none; border:none; color:#fff; font-size:26px; cursor:pointer; opacity:.7; transition:opacity .2s; }
.lightbox-close:hover { opacity:1; }
.lightbox-prev, .lightbox-next { position:fixed; top:50%; transform:translateY(-50%); background:rgba(255,255,255,.1); border:none; color:#fff; font-size:48px; padding:10px 18px; cursor:pointer; transition:background .2s; z-index:1; }
.lightbox-prev { left:16px; }
.lightbox-next { right:16px; }
.lightbox-prev:hover, .lightbox-next:hover { background:rgba(255,255,255,.2); }
.lightbox-counter { position:absolute; bottom:-36px; left:50%; transform:translateX(-50%); color:rgba(255,255,255,.5); font-size:12px; letter-spacing:2px; }

/* =========================================
   FAB BUTTONS
   ========================================= */
.fab-group { position:fixed; bottom:32px; right:32px; z-index:500; display:flex; flex-direction:column; align-items:flex-end; gap:10px; }
.fab {
  width:52px; height:52px; border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  font-size:22px; border:none; cursor:pointer;
  box-shadow:0 4px 18px rgba(0,0,0,.25);
  transition:transform .25s, box-shadow .25s;
  position:relative; text-decoration:none;
}
.fab:hover { transform:scale(1.12); box-shadow:0 6px 24px rgba(0,0,0,.35); }
.fab-phone { background:#25D366; color:#fff; }
.fab-zalo { background:#0068FF; color:#fff; }
.fab-chat { background:var(--gold); color:#fff; }
.fab-tooltip {
  position:absolute; right:62px; background:rgba(42,26,13,.92); color:#fff;
  font-size:11px; padding:5px 12px; white-space:nowrap;
  opacity:0; pointer-events:none; transition:opacity .2s;
  font-family:'Nunito',sans-serif;
}
.fab:hover .fab-tooltip { opacity:1; }

.back-top {
  position:fixed; bottom:32px; left:32px; z-index:500;
  width:44px; height:44px; border-radius:50%;
  background:rgba(61,43,31,.85); color:var(--gold-light); border:1px solid rgba(176,122,16,.4);
  font-size:18px; display:none; align-items:center; justify-content:center;
  transition:var(--transition);
}
.back-top.visible { display:flex; }
.back-top:hover { background:var(--deep); transform:translateY(-3px); }

/* =========================================
   CHATBOT
   ========================================= */
.chat-panel {
  position:fixed; bottom:100px; right:32px; z-index:500;
  width:360px; background:#fff;
  box-shadow:0 16px 52px rgba(0,0,0,.28);
  display:none; flex-direction:column; overflow:hidden;
  border:1px solid rgba(176,122,16,.25);
}
.chat-panel.active { display:flex; }
.chat-header { background:var(--deep); padding:15px 18px; display:flex; align-items:center; gap:12px; }
.chat-avatar { width:38px; height:38px; border-radius:50%; background:var(--gold); display:flex; align-items:center; justify-content:center; font-size:17px; flex-shrink:0; }
.chat-title { color:#fff; font-size:14px; font-weight:700; }
.chat-status { color:var(--gold-light); font-size:10px; margin-top:2px; }
.chat-close-btn { margin-left:auto; background:none; border:none; color:rgba(255,255,255,.5); font-size:17px; transition:color .2s; flex-shrink:0; }
.chat-close-btn:hover { color:#fff; }
.chat-messages { flex:1; height:280px; overflow-y:auto; padding:14px; background:var(--cream); display:flex; flex-direction:column; gap:10px; }
.chat-messages::-webkit-scrollbar { width:4px; }
.chat-messages::-webkit-scrollbar-thumb { background:var(--gold); border-radius:2px; }
.msg { max-width:84%; padding:9px 13px; font-size:13px; line-height:1.6; }
.msg-bot { background:#fff; border:1px solid #EDE0D0; align-self:flex-start; color:var(--text); }
.msg-user { background:var(--gold); color:#fff; align-self:flex-end; }
.msg-time { font-size:10px; opacity:.55; margin-top:3px; display:block; }
.chat-typing { align-self:flex-start; background:#fff; border:1px solid #EDE0D0; padding:9px 14px; display:none; align-items:center; gap:4px; }
.chat-typing.show { display:flex; }
.typing-dot { width:6px; height:6px; border-radius:50%; background:var(--gold); animation:typingAnim 1.2s infinite; }
.typing-dot:nth-child(2){animation-delay:.2s} .typing-dot:nth-child(3){animation-delay:.4s}
@keyframes typingAnim{0%,80%,100%{transform:scale(.6);opacity:.5}40%{transform:scale(1);opacity:1}}
.chat-quick { padding:8px 10px; background:#fff; border-top:1px solid #EDE0D0; display:flex; gap:5px; flex-wrap:wrap; }
.quick-btn { font-size:11px; padding:4px 9px; border:1px solid var(--gold); background:transparent; color:var(--gold-dark); cursor:pointer; border-radius:20px; font-family:'Nunito',sans-serif; transition:all .2s; }
.quick-btn:hover { background:var(--gold); color:#fff; }
.chat-input-row { display:flex; border-top:1px solid #EDE0D0; }
.chat-input-row input { flex:1; padding:13px 15px; border:none; outline:none; font-size:13px; font-family:'Nunito',sans-serif; color:var(--text); background:#fff; }
.chat-input-row input::placeholder { color:#B0A090; }
.chat-send { background:var(--gold); border:none; width:46px; display:flex; align-items:center; justify-content:center; color:#fff; font-size:15px; transition:background .2s; }
.chat-send:hover { background:var(--gold-dark); }

/* =========================================
   HERO RATING BADGE
   ========================================= */
.hero-rating {
  display:inline-flex; align-items:center; gap:10px;
  background:rgba(255,255,255,.12);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border:1px solid rgba(255,255,255,.2);
  border-radius:40px;
  padding:8px 18px;
  margin-top:24px;
}
.hero-rating-stars { color:#FFD700; font-size:15px; letter-spacing:1px; }
.hero-rating-text { color:#fff; font-size:13px; font-family:'Nunito',sans-serif; }
.hero-rating-text strong { font-weight:700; }

/* =========================================
   BRANCHES & CONTACT MAP
   ========================================= */
.branches { margin-top:24px; }
.branches-title {
  font-size:13px; font-weight:700; letter-spacing:.5px; color:var(--gold-light);
  margin-bottom:10px; text-transform:uppercase;
}
.branches-grid {
  display:grid; grid-template-columns:repeat(3,1fr); gap:6px 10px;
}
.branch-item {
  font-size:12px; color:rgba(255,255,255,.7);
  padding:4px 8px; border-radius:3px;
  background:rgba(255,255,255,.07); text-align:center;
}
.branch-item em { font-style:normal; color:var(--gold-light); }
.branch-main { background:rgba(176,122,16,.18); color:var(--gold-light); font-weight:600; }
.contact-map { margin-top:20px; border-radius:4px; overflow:hidden; }

/* =========================================
   TRUST STRIP (FOOTER)
   ========================================= */
.trust-strip {
  display:flex; align-items:center; justify-content:center;
  gap:0; padding:14px 40px; flex-wrap:wrap;
  background:rgba(255,255,255,.04);
}
.trust-item {
  display:flex; align-items:center; gap:7px;
  font-size:12px; color:rgba(255,255,255,.55);
  letter-spacing:.3px; padding:0 20px;
}
.trust-icon { font-size:14px; }
.trust-sep { width:1px; height:18px; background:rgba(255,255,255,.12); }

/* =========================================
   RESPONSIVE – TABLET ≤900px
   ========================================= */
@media(max-width:900px){
  .container, .container-wide, .container-sm { padding:0 24px; }
  .header-inner { padding:0 24px; }
  .section { padding:70px 0; }

  /* Stats */
  .stats-bar { grid-template-columns:repeat(2,1fr); }
  .stat-item:nth-child(2n) { border-right:none; }

  /* Offers */
  .offers-grid { grid-template-columns:1fr 1fr; gap:24px; }
  .offer-divider { display:none; }
  .offer-item { justify-content:flex-start; padding:0 16px; }
  .offer-cta { grid-column:span 2; border-top:1px solid rgba(176,122,16,.2); padding-top:24px; }

  /* Why */
  .why-grid { grid-template-columns:repeat(2,1fr); }

  /* Categories */
  .cat-grid { grid-template-columns:repeat(2,1fr); gap:16px; }

  /* Products */
  .prod-grid { grid-template-columns:repeat(2,1fr); gap:16px; }

  /* Steps */
  .steps-grid { grid-template-columns:repeat(2,1fr); gap:32px; }
  .steps-grid::before { display:none; }

  /* Gallery */
  .gallery-grid { grid-template-columns:repeat(2,1fr); grid-template-rows:200px 200px 200px; }
  .gallery-item { height:auto; }

  /* Services */
  .services-grid { grid-template-columns:1fr 1fr; }

  /* Testimonials */
  .reviews-grid { grid-template-columns:1fr; max-width:560px; margin:0 auto; }

  /* Contact */
  .contact-layout { grid-template-columns:1fr; gap:40px; }

  /* Footer */
  .footer-top { grid-template-columns:1fr 1fr; gap:32px; }
}

/* =========================================
   CRAFT STORY
   ========================================= */
.craft-story { background:var(--ivory); }
.craft-layout {
  display:grid; grid-template-columns:1fr 1fr; gap:80px; align-items:center;
}
.craft-title {
  font-family:'Playfair Display',serif; font-size:clamp(30px,4vw,50px);
  color:var(--brown); line-height:1.15; margin-bottom:24px;
}
.craft-title em { color:var(--gold); font-style:italic; }
.craft-lead {
  font-family:'Cormorant Garamond',serif; font-size:18px;
  color:var(--text); line-height:1.85; margin-bottom:16px;
}
.craft-body { font-size:15px; color:var(--muted); line-height:1.8; margin-bottom:36px; }
.craft-points {
  display:grid; grid-template-columns:repeat(3,1fr); gap:16px;
  padding:28px 0; margin-bottom:32px;
  border-top:1px solid rgba(176,122,16,.25); border-bottom:1px solid rgba(176,122,16,.25);
}
.craft-point { text-align:center; }
.craft-num {
  display:block; font-family:'Playfair Display',serif; font-size:38px;
  color:var(--gold); font-weight:700; line-height:1;
}
.craft-label { display:block; font-size:11px; letter-spacing:.5px; color:var(--muted); margin-top:6px; line-height:1.5; }
.craft-quote {
  font-family:'Cormorant Garamond',serif; font-size:20px; font-style:italic;
  color:var(--brown); border-left:3px solid var(--gold); padding-left:20px;
  margin-bottom:36px; line-height:1.65;
}
.craft-image { position:relative; }
.craft-image img { width:100%; height:540px; object-fit:cover; display:block; }
.craft-img-caption {
  position:absolute; bottom:0; left:0; right:0;
  background:rgba(61,43,31,.72); color:rgba(255,255,255,.8);
  font-size:10px; letter-spacing:2.5px; text-transform:uppercase;
  padding:13px 20px; text-align:center;
}

@media(max-width:900px) {
  .craft-layout { grid-template-columns:1fr; gap:40px; }
  .craft-image { order:-1; }
  .craft-image img { height:300px; }
}

/* =========================================
   PORTFOLIO – CÔNG TRÌNH THỰC TẾ
   ========================================= */
.portfolio { background:#fff; }
.project-grid { display:grid; grid-template-columns:repeat(2,1fr); gap:24px; }
.project-card {
  background:var(--cream); border-radius:12px; overflow:hidden;
  box-shadow:0 2px 16px rgba(0,0,0,.07); border:1px solid rgba(176,122,16,.12);
  transition:transform .3s, box-shadow .3s; cursor:default;
}
.project-card:hover { transform:translateY(-6px); box-shadow:0 12px 36px rgba(74,53,32,.15); }
.project-img-wrap { position:relative; overflow:hidden; height:260px; }
.project-img-wrap img {
  width:100%; height:100%; object-fit:cover;
  transition:transform .6s ease; filter:brightness(.88);
}
.project-card:hover .project-img-wrap img { transform:scale(1.05); filter:brightness(1); }
.project-type-badge {
  position:absolute; top:14px; left:14px;
  background:var(--gold); color:#fff;
  font-size:10px; font-weight:700; letter-spacing:1px;
  text-transform:uppercase; padding:4px 12px; border-radius:3px;
}
.project-year {
  position:absolute; top:14px; right:14px;
  background:rgba(42,26,13,.75); color:rgba(255,255,255,.85);
  font-size:11px; padding:3px 10px; border-radius:3px; letter-spacing:.5px;
}
.project-body { padding:20px 22px 22px; }
.project-name {
  font-family:'Playfair Display',serif; font-size:18px;
  color:var(--brown); margin-bottom:6px; line-height:1.3;
}
.project-location {
  font-size:12px; color:var(--gold); letter-spacing:1px;
  text-transform:uppercase; font-weight:600; margin-bottom:10px;
}
.project-desc {
  font-size:13px; color:var(--muted); line-height:1.75; margin-bottom:14px;
}
.project-tags { display:flex; flex-wrap:wrap; gap:6px; }
.project-tag {
  background:#fff; color:var(--brown); font-size:11px;
  padding:3px 10px; border-radius:20px;
  border:1px solid rgba(176,122,16,.18);
}
.portfolio-cta-strip {
  margin-top:36px; text-align:center;
  padding:36px 40px; background:var(--deep); border-radius:10px;
}
.portfolio-cta-strip h3 {
  font-family:'Playfair Display',serif; font-size:22px;
  color:var(--gold-light); margin-bottom:10px;
}
.portfolio-cta-strip p { color:rgba(255,255,255,.6); font-size:14px; margin-bottom:22px; }

@media(max-width:900px) {
  .project-grid { grid-template-columns:1fr 1fr; }
}
@media(max-width:600px) {
  .project-grid { grid-template-columns:1fr; }
  .project-img-wrap { height:220px; }
  .portfolio-cta-strip { padding:28px 20px; }
  .portfolio-cta-strip h3 { font-size:18px; }
}

/* =========================================
   QUICK QUOTE STRIP
   ========================================= */
.quick-quote {
  background:var(--gold);
  padding:18px 0;
  position:relative;
  z-index:10;
}
.quick-quote-inner {
  display:flex; align-items:center; gap:14px;
  flex-wrap:wrap; justify-content:center;
}
.quick-quote-label {
  color:rgba(255,255,255,.92); font-size:12px; letter-spacing:2px;
  text-transform:uppercase; font-weight:700; white-space:nowrap; flex-shrink:0;
}
.quick-quote-form {
  display:flex; gap:8px; flex:1; max-width:720px; flex-wrap:wrap;
}
.quick-quote-input {
  flex:1; min-width:130px; padding:10px 14px;
  background:rgba(255,255,255,.22); border:1px solid rgba(255,255,255,.3);
  color:#fff; font-family:'Be Vietnam Pro',sans-serif; font-size:13px;
  border-radius:var(--radius); outline:none; transition:background .2s, border-color .2s;
}
.quick-quote-input:focus { background:rgba(255,255,255,.32); border-color:rgba(255,255,255,.6); }
.quick-quote-input::placeholder { color:rgba(255,255,255,.6); }
.quick-quote-input option { background:var(--deep); color:#fff; }
select.quick-quote-input { color:rgba(255,255,255,.75); }
.quick-quote-btn {
  padding:10px 22px; background:var(--deep); color:var(--gold-light);
  border:none; font-size:11px; font-weight:700; letter-spacing:1.5px;
  text-transform:uppercase; cursor:pointer; border-radius:var(--radius);
  white-space:nowrap; transition:background .2s; flex-shrink:0;
  font-family:'Be Vietnam Pro',sans-serif;
}
.quick-quote-btn:hover { background:#1a0d04; }

/* =========================================
   PRODUCT RATING IN CARD
   ========================================= */
.prod-rating {
  display:flex; align-items:center; gap:5px; margin-bottom:6px;
}
.prod-rating-stars { color:#F59E0B; font-size:12px; letter-spacing:1px; }
.prod-rating-score { font-size:12px; font-weight:700; color:var(--brown); }
.prod-rating-count { font-size:11px; color:var(--muted); }

/* =========================================
   MOBILE BOTTOM BAR
   ========================================= */
.mobile-bottom-bar { display:none; }

/* =========================================
   RESPONSIVE – MOBILE ≤600px
   ========================================= */
@media(max-width:600px){
  .container, .container-wide, .container-sm { padding:0 16px; }
  .header-inner { padding:0 16px; }
  .section { padding:56px 0; }

  /* Header */
  .desktop-nav { display:none; }
  .hamburger { display:flex; }

  /* Logo */
  .logo-img { height:40px; }

  /* Promo bar */
  .promo-bar { font-size:11px; padding:8px 36px 8px 12px; }

  /* Hero */
  .hero-title { font-size:clamp(40px,13vw,72px); }
  .hero-actions { flex-direction:column; align-items:center; }
  .hero-actions .btn { width:260px; text-align:center; }
  .hero-dots { bottom:80px; }

  /* Offers */
  .offers-grid { grid-template-columns:1fr; gap:24px; }
  .offer-cta { grid-column:auto; border-top:1px solid rgba(176,122,16,.2); padding-top:20px; }

  /* Stats */
  .stats-bar { grid-template-columns:1fr 1fr; padding:0; }
  .stat-item { padding:24px 12px; }
  .stat-num { font-size:clamp(28px,8vw,40px); }

  /* Why */
  .why-grid { grid-template-columns:1fr; }

  /* Products */
  .prod-grid { grid-template-columns:repeat(2,1fr); gap:12px; }
  .prod-img-wrap { height:160px; }
  .prod-name { font-size:14px; }
  .prod-desc { -webkit-line-clamp:2; }
  .prod-body { padding:10px 10px 10px; }
  .prod-footer { flex-direction:column; align-items:stretch; gap:6px; padding-top:10px; }
  .prod-price { font-size:14px; }
  .prod-btn { text-align:center; padding:7px 10px; font-size:11px; }

  /* Categories */
  .cat-grid { grid-template-columns:repeat(2,1fr); gap:12px; }
  .cat-img { height:100px; font-size:36px; }
  .cat-name { font-size:13px; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }

  /* Steps */
  .steps-grid { grid-template-columns:1fr; gap:28px; }

  /* Gallery */
  .gallery-grid { grid-template-columns:repeat(2,1fr); grid-template-rows:repeat(3,170px); }
  .gallery-item { height:auto; }

  /* Services */
  .services-grid { grid-template-columns:1fr; }

  /* FAQ */
  .faq-q { padding:18px 18px; font-size:14px; }
  .faq-a p { padding:4px 18px 18px; }

  /* Form */
  .form-row-2 { grid-template-columns:1fr; }

  /* Footer */
  .footer-top { grid-template-columns:1fr; gap:28px; padding:48px 16px 32px; }
  .footer-bottom { padding:18px 16px; flex-direction:column; text-align:center; }

  /* Modal */
  .modal-box { width:100vw; max-height:100dvh; }

  /* FABs */
  .fab-group { bottom:20px; right:20px; }
  .fab { width:46px; height:46px; font-size:19px; }
  .back-top { bottom:20px; left:20px; width:40px; height:40px; font-size:16px; }

  /* Chatbot */
  .chat-panel { width:calc(100vw - 32px); right:16px; bottom:88px; }

  /* Hero rating */
  .hero-rating { margin-top:20px; }

  /* Branches */
  .branches-grid { grid-template-columns:1fr 1fr; }

  /* Trust strip */
  .trust-strip { flex-wrap:wrap; padding:12px 16px; gap:10px; }
  .trust-sep { display:none; }

  /* Craft story */
  .craft-points { grid-template-columns:1fr 1fr; gap:12px; }
  .craft-quote { font-size:17px; }

  /* Quick quote mobile */
  .quick-quote-inner { flex-direction:column; gap:10px; }
  .quick-quote-form { width:100%; }
  .quick-quote-input { min-width:unset; }
  .quick-quote-btn { width:100%; padding:13px; font-size:12px; }

  /* Mobile bottom bar */
  .mobile-bottom-bar {
    display:grid; grid-template-columns:repeat(3,1fr);
    position:fixed; bottom:0; left:0; right:0;
    z-index:600; background:var(--deep);
    border-top:2px solid rgba(212,134,58,.3);
    box-shadow:0 -4px 24px rgba(0,0,0,.45);
    padding-bottom:env(safe-area-inset-bottom,0px);
  }
  .mbb-btn {
    display:flex; flex-direction:column; align-items:center;
    justify-content:center; padding:10px 0 9px;
    color:rgba(255,255,255,.9); text-decoration:none;
    gap:3px; transition:background .15s;
    border:none; background:transparent; cursor:pointer;
    font-family:'Be Vietnam Pro',sans-serif;
  }
  .mbb-btn:active { background:rgba(255,255,255,.07); }
  .mbb-icon { font-size:20px; display:block; }
  .mbb-label {
    font-size:10px; letter-spacing:.8px;
    text-transform:uppercase; font-weight:600;
  }
  .mbb-call .mbb-label { color:#4ADE80; }
  .mbb-zalo {
    border-left:1px solid rgba(212,134,58,.2);
    border-right:1px solid rgba(212,134,58,.2);
  }
  .mbb-zalo .mbb-label { color:#93C5FD; }
  .mbb-quote .mbb-label { color:var(--gold-light); }

  /* Push FAB & chatbot up above bottom bar */
  .fab-group { bottom:76px; right:16px; }
  .back-top  { bottom:76px; left:16px; width:40px; height:40px; font-size:16px; }
  .chat-panel { bottom:150px; right:16px; width:calc(100vw - 32px); }

  /* Body padding so last section isn't hidden behind bottom bar */
  body { padding-bottom:60px; }
}