:root {
  --ink: #0a0a0f;
  --ivory: #f7f5f0;
  --gold: #c9a84c;
  --gold-light: #e8c97a;
  --steel: #1e2a38;
  --slate: #4a5568;
  --mist: #e8e4dc;
  --white: #ffffff;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--ivory);
  color: var(--ink);
  overflow-x: hidden;
}

/* ── NAV ── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 999;
  background: rgba(10, 10, 15, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(201,168,76,0.2);
  padding: 0 40px;
  display: flex; align-items: center; justify-content: space-between;
  height: 68px;
}

.nav-logo {
  font-family: 'Playfair Display', serif;
  font-size: 1.5rem; font-weight: 900;
  color: var(--white);
  letter-spacing: 0.02em;
  text-decoration: none;
}

.nav-logo span { color: var(--gold); }

.nav-links { display: flex; gap: 36px; list-style: none; align-items: center; }

/* Hamburger toggle (mobile only) */
.nav-toggle {
  display: none; flex-direction: column; justify-content: center; gap: 5px;
  width: 32px; height: 32px; background: none; border: none; cursor: pointer;
  padding: 0; z-index: 1001;
}
.nav-toggle span {
  display: block; width: 100%; height: 2px; background: var(--gold);
  transition: transform 0.25s ease, opacity 0.25s ease;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav-overlay {
  display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.5);
  z-index: 998; opacity: 0; transition: opacity 0.25s ease;
}
.nav-overlay.open { display: block; opacity: 1; }

.nav-links a {
  color: rgba(255,255,255,0.75);
  text-decoration: none;
  font-size: 0.875rem; font-weight: 500;
  letter-spacing: 0.08em; text-transform: uppercase;
  transition: color 0.25s;
  cursor: pointer;
}

.nav-links a:hover, .nav-links a.active { color: var(--gold); }

/* Nav dropdown (Dịch Vụ) */
.nav-item-dropdown { position: relative; }
.nav-dropdown-menu {
  position: absolute; top: calc(100% + 16px); left: 50%; transform: translateX(-50%);
  background: var(--ink); border: 1px solid rgba(201,168,76,0.2);
  border-radius: 4px; min-width: 240px; padding: 8px;
  opacity: 0; visibility: hidden; transform-origin: top center;
  transition: opacity 0.2s, visibility 0.2s;
  box-shadow: 0 16px 40px rgba(0,0,0,0.4);
}
.nav-item-dropdown:hover .nav-dropdown-menu { opacity: 1; visibility: visible; }
.nav-dropdown-menu a {
  display: block; padding: 10px 14px; border-radius: 3px;
  font-size: 0.8rem; letter-spacing: 0.04em; text-transform: none;
  white-space: nowrap;
}
.nav-dropdown-menu a:hover { background: rgba(201,168,76,0.1); }

/* ── PAGES ── */
.page { display: none; padding-top: 68px; min-height: 100vh; }
.page.active { display: block; }

/* ══════════════════════════════
   PAGE 1 – HOME
══════════════════════════════ */

/* HERO SLIDER */
.hero {
  position: relative; height: calc(100vh - 68px);
  overflow: hidden; background: var(--steel);
}

.slides { display: flex; height: 100%; transition: transform 0.8s cubic-bezier(0.77,0,0.18,1); }

.slide {
  min-width: 100%; height: 100%; position: relative;
  display: flex; align-items: center; justify-content: center;
}

.slide-bg {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  filter: brightness(0.45);
}

.slide-1 .slide-bg { background: url("/images/hero-slide-1.jpg") center/cover no-repeat; filter: brightness(0.75) !important; }
.slide-2 .slide-bg { background: url("/images/hero-slide-2.jpg") center/cover no-repeat; filter: brightness(0.72) !important; }
.slide-3 .slide-bg { background: linear-gradient(135deg, #0a2815 0%, #1f5f3a 50%, #0d3720 100%); }

.slide-1 .slide-bg::after {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse at 60% 50%, rgba(0,140,255,0.15) 0%, transparent 60%);
}
.slide-2 .slide-bg::after {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse at 40% 50%, rgba(201,168,76,0.12) 0%, transparent 60%);
}
.slide-3 .slide-bg::after {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse at 50% 60%, rgba(0,200,100,0.12) 0%, transparent 60%);
}

/* Circuit pattern overlay */
.slide::before {
  content: ''; position: absolute; inset: 0; z-index: 1;
  background-image:
    linear-gradient(rgba(201,168,76,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201,168,76,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}

.slide-content {
  position: relative; z-index: 2; text-align: center;
  padding: 0 20px; max-width: 780px;
  animation: slideIn 1s ease both;
}

@keyframes slideIn {
  from { opacity: 0; transform: translateY(40px); }
  to   { opacity: 1; transform: translateY(0); }
}

.slide-eyebrow {
  font-size: 0.75rem; font-weight: 600; letter-spacing: 0.25em;
  text-transform: uppercase; color: var(--gold);
  margin-bottom: 16px; display: block;
}

.slide-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 900; line-height: 1.1;
  color: var(--white); margin-bottom: 20px;
}

.slide-sub {
  font-size: 1.05rem; color: rgba(255,255,255,0.65);
  font-weight: 300; line-height: 1.6; margin-bottom: 36px;
}

.btn-gold {
  display: inline-block;
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  color: var(--ink); font-weight: 700;
  padding: 14px 36px; border-radius: 3px;
  text-decoration: none; font-size: 0.875rem;
  letter-spacing: 0.1em; text-transform: uppercase;
  transition: transform 0.2s, box-shadow 0.2s;
  cursor: pointer; border: none;
}

.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(201,168,76,0.35);
}

.slide-dots {
  position: absolute; bottom: 28px; left: 50%;
  transform: translateX(-50%); z-index: 5;
  display: flex; gap: 10px;
}

.dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: rgba(255,255,255,0.3); cursor: pointer;
  transition: background 0.3s, transform 0.3s;
}

.dot.active { background: var(--gold); transform: scale(1.3); }

.slide-arrow {
  position: absolute; top: 50%; z-index: 5;
  transform: translateY(-50%);
  background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.15);
  color: white; width: 48px; height: 48px;
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  cursor: pointer; font-size: 1.2rem; transition: background 0.2s;
}

.slide-arrow:hover { background: rgba(201,168,76,0.3); }
.slide-arrow.prev { left: 24px; }
.slide-arrow.next { right: 24px; }

/* INTRO SECTION */
.intro {
  background: var(--white); padding: 96px 40px;
  text-align: center;
}

.section-tag {
  display: inline-block;
  font-size: 0.7rem; font-weight: 700; letter-spacing: 0.3em;
  text-transform: uppercase; color: var(--gold);
  border-bottom: 1px solid var(--gold); padding-bottom: 4px;
  margin-bottom: 24px;
}

.section-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 700; line-height: 1.2;
  color: var(--ink); margin-bottom: 20px;
}

.section-body {
  font-size: 1.05rem; color: var(--slate);
  line-height: 1.8; max-width: 680px; margin: 0 auto;
}

.services-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2px; margin-top: 64px; background: var(--mist);
}

.service-card {
  background: var(--white); padding: 48px 32px;
  transition: transform 0.3s, box-shadow 0.3s;
  position: relative; overflow: hidden;
  display: block; text-decoration: none; color: inherit;
}

.service-card::before {
  content: ''; position: absolute; bottom: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--gold-light));
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.4s ease;
}

.service-card:hover::before { transform: scaleX(1); }
.service-card:hover { transform: translateY(-4px); box-shadow: 0 20px 48px rgba(0,0,0,0.08); }

.service-icon {
  font-size: 2.2rem; margin-bottom: 20px; display: block;
}

.service-name {
  font-family: 'Playfair Display', serif;
  font-size: 1.2rem; font-weight: 700;
  color: var(--ink); margin-bottom: 12px;
}

.service-desc {
  font-size: 0.9rem; color: var(--slate);
  line-height: 1.7;
}

.service-link-hint {
  display: inline-block; margin-top: 14px;
  font-size: 0.75rem; font-weight: 700; color: var(--gold);
  letter-spacing: 0.1em; text-transform: uppercase;
}

/* GALLERY GRID */
.gallery-section {
  padding: 96px 40px;
  background: var(--ivory);
}

.gallery-section .section-title { text-align: center; }
.gallery-section .section-tag { display: block; text-align: center; }

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px; max-width: 960px; margin: 56px auto 0;
}

.gallery-cell {
  aspect-ratio: 4/3;
  background: var(--steel);
  border-radius: 4px; overflow: hidden;
  position: relative; cursor: pointer;
  transition: transform 0.4s ease;
}

.gallery-cell:hover { transform: scale(1.02); }

.gallery-cell .placeholder {
  position: absolute; inset: 0;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 12px; color: rgba(255,255,255,0.4);
  font-size: 0.8rem; letter-spacing: 0.1em; text-transform: uppercase;
}

.gallery-cell .placeholder-icon { font-size: 2.5rem; opacity: 0.3; }

.gallery-cell input[type="file"] {
  position: absolute; inset: 0; opacity: 0; cursor: pointer; z-index: 10;
}

.gallery-cell img {
  width: 100%; height: 100%; object-fit: cover;
  position: absolute; inset: 0;
  transition: transform 0.6s ease;
}

.gallery-cell:hover img { transform: scale(1.05); }

.gallery-cell-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(0deg, rgba(0,0,0,0.6) 0%, transparent 50%);
  opacity: 0; transition: opacity 0.3s;
  display: flex; align-items: flex-end; padding: 20px;
}

.gallery-cell:hover .gallery-cell-overlay { opacity: 1; }

.gallery-cell-label {
  color: white; font-size: 0.85rem; font-weight: 600;
  letter-spacing: 0.05em;
}

/* ══════════════════════════════
   PAGE 2 – ADDRESS
══════════════════════════════ */
.page-header {
  background: var(--steel); padding: 72px 40px 56px;
  text-align: center;
  position: relative; overflow: hidden;
}

.page-header::before {
  content: ''; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(201,168,76,0.04) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(201,168,76,0.04) 1px, transparent 1px);
  background-size: 48px 48px;
}

.page-header .section-tag { display: block; }

.page-header-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 900; color: var(--white);
  position: relative; z-index: 1;
}

.address-section { padding: 80px 40px; max-width: 960px; margin: 0 auto; }

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

.store-card {
  background: var(--white); border-radius: 4px;
  padding: 40px 32px;
  border-top: 3px solid var(--gold);
  box-shadow: 0 4px 24px rgba(0,0,0,0.06);
  transition: box-shadow 0.3s;
}

.store-card:hover { box-shadow: 0 12px 40px rgba(0,0,0,0.1); }

.store-card-title {
  font-family: 'Playfair Display', serif;
  font-size: 1.3rem; font-weight: 700;
  margin-bottom: 24px; color: var(--ink);
}

.store-info-row {
  display: flex; gap: 14px; margin-bottom: 16px;
  align-items: flex-start;
}

.store-info-icon { font-size: 1.1rem; flex-shrink: 0; margin-top: 2px; }

.store-info-text {
  font-size: 0.9rem; color: var(--slate); line-height: 1.6;
}

.map-placeholder {
  margin-top: 56px;
  background: var(--steel); border-radius: 4px;
  height: 380px; display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 12px;
  color: rgba(255,255,255,0.3); font-size: 0.85rem;
  letter-spacing: 0.1em; text-transform: uppercase;
  border: 1px solid rgba(201,168,76,0.15);
  position: relative; overflow: hidden;
}

.map-placeholder::before {
  content: ''; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(201,168,76,0.04) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(201,168,76,0.04) 1px, transparent 1px);
  background-size: 40px 40px;
}

.map-icon { font-size: 3rem; opacity: 0.25; }

/* ══════════════════════════════
   PAGE 3 – CONTACT
══════════════════════════════ */
.contact-section {
  padding: 80px 40px; max-width: 760px; margin: 0 auto;
}

.contact-intro {
  text-align: center; margin-bottom: 56px;
}

.form-group { margin-bottom: 24px; }

.form-label {
  display: block; font-size: 0.75rem; font-weight: 700;
  letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--slate); margin-bottom: 8px;
}

.form-input, .form-textarea, .form-select {
  width: 100%;
  background: var(--white); border: 1px solid var(--mist);
  border-radius: 3px; padding: 14px 18px;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.95rem; color: var(--ink);
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
}

.form-input:focus, .form-textarea:focus, .form-select:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(201,168,76,0.12);
}

.form-textarea { height: 160px; resize: vertical; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }

.contact-info-bar {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 2px; margin-bottom: 56px;
  background: var(--mist);
}

.contact-info-item {
  background: var(--white); padding: 32px 24px;
  text-align: center;
}

.contact-info-icon { font-size: 1.8rem; margin-bottom: 12px; display: block; }
.contact-info-label { font-size: 0.7rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--gold); margin-bottom: 6px; font-weight: 700; }
.contact-info-value { font-size: 0.9rem; color: var(--ink); font-weight: 500; }

/* ══════════════════════════════
   PAGE 4 – BLOG
══════════════════════════════ */
.blog-section { padding: 80px 40px; max-width: 1100px; margin: 0 auto; }

.blog-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 40px; }

.blog-main { }
.blog-sidebar { }

.blog-post {
  background: var(--white); border-radius: 4px;
  overflow: hidden; margin-bottom: 32px;
  box-shadow: 0 2px 16px rgba(0,0,0,0.05);
  transition: box-shadow 0.3s, transform 0.3s;
}

.blog-post:hover { box-shadow: 0 8px 32px rgba(0,0,0,0.1); transform: translateY(-2px); }

.blog-post-img {
  height: 220px; background: var(--steel);
  display: flex; align-items: center; justify-content: center;
  font-size: 3rem; opacity: 0.3;
  position: relative; overflow: hidden;
}

.blog-post-img-1 { background: linear-gradient(135deg, #0f2027, #203a43, #2c5364); }
.blog-post-img-2 { background: linear-gradient(135deg, #1a1a2e, #16213e, #0f3460); }
.blog-post-img-3 { background: linear-gradient(135deg, #0f0c29, #302b63, #24243e); }

.blog-post-body { padding: 28px 32px; }

.post-meta {
  display: flex; gap: 16px; margin-bottom: 14px;
  font-size: 0.75rem; color: var(--slate);
  text-transform: uppercase; letter-spacing: 0.1em;
  align-items: center;
}

.post-tag {
  background: rgba(201,168,76,0.12); color: var(--gold);
  padding: 3px 10px; border-radius: 2px; font-weight: 700;
}

.post-title {
  font-family: 'Playfair Display', serif;
  font-size: 1.35rem; font-weight: 700;
  color: var(--ink); line-height: 1.35;
  margin-bottom: 12px; cursor: pointer;
  transition: color 0.2s;
}

.post-title:hover { color: var(--gold); }

.post-excerpt {
  font-size: 0.9rem; color: var(--slate);
  line-height: 1.7; margin-bottom: 20px;
}

.post-readmore {
  font-size: 0.75rem; font-weight: 700;
  color: var(--gold); letter-spacing: 0.15em;
  text-transform: uppercase; cursor: pointer;
  display: inline-flex; align-items: center; gap: 6px;
  border: none; background: none; padding: 0;
  text-decoration: none;
}

.sidebar-widget {
  background: var(--white); border-radius: 4px;
  padding: 28px; margin-bottom: 24px;
  box-shadow: 0 2px 16px rgba(0,0,0,0.05);
}

.widget-title {
  font-family: 'Playfair Display', serif;
  font-size: 1.1rem; font-weight: 700;
  color: var(--ink); margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--mist);
}

.tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; }

.tag-pill {
  background: var(--ivory); color: var(--slate);
  padding: 6px 14px; border-radius: 2px;
  font-size: 0.8rem; cursor: pointer;
  transition: background 0.2s, color 0.2s;
  border: 1px solid var(--mist);
}

.tag-pill:hover { background: var(--gold); color: var(--ink); border-color: var(--gold); }

.recent-post {
  display: flex; gap: 14px; margin-bottom: 16px;
  padding-bottom: 16px; border-bottom: 1px solid var(--mist);
}

.recent-post:last-child { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }

.recent-thumb {
  width: 56px; height: 56px; border-radius: 3px;
  background: var(--steel); flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem; opacity: 0.5;
}

.recent-info .recent-title {
  font-size: 0.85rem; font-weight: 600;
  color: var(--ink); line-height: 1.4; margin-bottom: 4px;
  cursor: pointer;
}

.recent-info .recent-title:hover { color: var(--gold); }
.recent-info .recent-date { font-size: 0.75rem; color: var(--slate); }

/* ══════════════════════════════
   SERVICE LANDING PAGES
══════════════════════════════ */
.breadcrumb {
  /* .breadcrumb is a <nav> element; reset the fixed-header rules from the
     bare `nav {}` selector above so it lays out as a normal in-flow strip. */
  position: static; height: auto; z-index: auto;
  background: none; backdrop-filter: none; border-bottom: none;
  display: block;
  max-width: 1100px; margin: 0 auto; padding: 18px 40px 0;
  font-size: 0.8rem; color: var(--slate);
}
.breadcrumb a { color: var(--slate); text-decoration: none; }
.breadcrumb a:hover { color: var(--gold); }
.breadcrumb span.sep { margin: 0 8px; opacity: 0.5; }
.breadcrumb span.current { color: var(--ink); font-weight: 600; }

.service-hero {
  background: var(--steel); padding: 64px 40px 56px;
  text-align: center; position: relative; overflow: hidden;
}
.service-hero::before {
  content: ''; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(201,168,76,0.04) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(201,168,76,0.04) 1px, transparent 1px);
  background-size: 48px 48px;
}
.service-hero-inner { position: relative; z-index: 1; max-width: 780px; margin: 0 auto; }
.service-hero h1 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(1.8rem, 4.5vw, 3rem);
  font-weight: 900; color: var(--white); margin-bottom: 16px; line-height: 1.25;
}
.service-hero p {
  color: rgba(255,255,255,0.65); font-size: 1rem; line-height: 1.7;
  max-width: 620px; margin: 0 auto 32px;
}

.service-body { max-width: 860px; margin: 0 auto; padding: 72px 40px; }
.service-body h2 {
  font-family: 'Playfair Display', serif; font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700; color: var(--ink); margin: 48px 0 18px;
}
.service-body h2:first-child { margin-top: 0; }
.service-body p {
  color: var(--slate); font-size: 1rem; line-height: 1.85; margin-bottom: 18px;
}
.service-body ul { margin: 0 0 18px 0; padding-left: 0; list-style: none; }
.service-body ul li {
  color: var(--slate); font-size: 0.98rem; line-height: 1.7;
  padding-left: 28px; position: relative; margin-bottom: 10px;
}
.service-body ul li::before {
  content: '✓'; position: absolute; left: 0; color: var(--gold); font-weight: 700;
}

.feature-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px; margin: 32px 0 8px;
}
.feature-card {
  background: var(--white); border: 1px solid var(--mist); border-radius: 4px;
  padding: 28px 24px; box-shadow: 0 2px 16px rgba(0,0,0,0.04);
}
.feature-card-title { font-weight: 700; color: var(--ink); margin-bottom: 8px; font-size: 1rem; }
.feature-card-desc { color: var(--slate); font-size: 0.9rem; line-height: 1.65; }

.faq-item {
  border-bottom: 1px solid var(--mist); padding: 22px 0;
}
.faq-item:first-child { border-top: 1px solid var(--mist); }
.faq-q {
  font-weight: 700; color: var(--ink); font-size: 1rem;
  margin-bottom: 10px; display: flex; gap: 10px;
}
.faq-q::before { content: 'Q.'; color: var(--gold); }
.faq-a { color: var(--slate); font-size: 0.95rem; line-height: 1.8; padding-left: 26px; }

.cta-banner {
  background: linear-gradient(135deg, var(--steel), #14202c);
  border-radius: 8px; padding: 48px 40px; text-align: center;
  margin: 56px 0 0;
}
.cta-banner h3 {
  font-family: 'Playfair Display', serif; color: var(--white);
  font-size: 1.5rem; margin-bottom: 12px;
}
.cta-banner p { color: rgba(255,255,255,0.6); margin-bottom: 24px; }
.cta-banner-btns { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.cta-btn-zalo {
  display: inline-flex; align-items: center; gap: 10px;
  background: linear-gradient(135deg,#0068ff,#0051cc); color: white;
  text-decoration: none; padding: 14px 28px; border-radius: 50px;
  font-weight: 700; font-size: 0.92rem; transition: transform 0.2s;
}
.cta-btn-zalo:hover { transform: translateY(-2px); }
.cta-btn-tel {
  display: inline-flex; align-items: center; gap: 10px;
  background: transparent; border: 1px solid rgba(201,168,76,0.4); color: var(--gold-light);
  text-decoration: none; padding: 14px 28px; border-radius: 50px;
  font-weight: 700; font-size: 0.92rem; transition: transform 0.2s, background 0.2s;
}
.cta-btn-tel:hover { transform: translateY(-2px); background: rgba(201,168,76,0.08); }

.related-services {
  max-width: 860px; margin: 0 auto; padding: 0 40px 72px;
}
.related-services h2 {
  font-family: 'Playfair Display', serif; font-size: 1.4rem; font-weight: 700;
  color: var(--ink); margin-bottom: 24px;
}
.related-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px,1fr)); gap: 18px; }
.related-card {
  display: block; background: var(--white); border: 1px solid var(--mist); border-radius: 4px;
  padding: 22px; text-decoration: none; transition: box-shadow 0.25s, transform 0.25s;
}
.related-card:hover { box-shadow: 0 10px 28px rgba(0,0,0,0.08); transform: translateY(-2px); }
.related-card-title { color: var(--ink); font-weight: 700; font-size: 0.95rem; margin-bottom: 6px; }
.related-card-desc { color: var(--slate); font-size: 0.85rem; line-height: 1.6; }

/* ══════════════════════════════
   FOOTER
══════════════════════════════ */
footer {
  background: var(--ink); color: rgba(255,255,255,0.65);
  padding: 64px 40px 32px;
  border-top: 1px solid rgba(201,168,76,0.2);
}

.footer-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 48px; margin-bottom: 48px;
  max-width: 1100px; margin-left: auto; margin-right: auto;
}

.footer-col-title {
  font-family: 'Playfair Display', serif;
  font-size: 1.1rem; font-weight: 700;
  color: var(--white); margin-bottom: 24px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(201,168,76,0.25);
}

.footer-col-title { }

.footer-links { display: flex; flex-direction: column; gap: 12px; }
.footer-links a { color: rgba(255,255,255,0.55); text-decoration: none; font-size: 0.875rem; transition: color 0.2s; }
.footer-links a:hover { color: var(--gold); }

.footer-brand {
  font-family: 'Playfair Display', serif;
  font-size: 1.8rem; font-weight: 900;
  color: var(--white); margin-bottom: 16px;
}

.footer-brand span { color: var(--gold); }

.footer-tagline {
  font-size: 0.875rem; line-height: 1.7;
  color: rgba(255,255,255,0.45); margin-bottom: 28px;
}

.social-row { display: flex; gap: 12px; flex-wrap: wrap; }

.social-btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 18px; border-radius: 3px;
  font-size: 0.8rem; font-weight: 700;
  letter-spacing: 0.08em; text-transform: uppercase;
  text-decoration: none; transition: transform 0.2s, opacity 0.2s;
  cursor: pointer;
}

.social-btn:hover { transform: translateY(-2px); opacity: 0.9; }

.social-btn.fb {
  background: #1877f2; color: white;
}

.social-btn.zalo {
  background: #0068ff; color: white;
}

.footer-contact-row {
  display: flex; align-items: flex-start; gap: 12px;
  margin-bottom: 16px; font-size: 0.875rem;
  color: rgba(255,255,255,0.55);
}

.footer-contact-row span:first-child { font-size: 1rem; flex-shrink: 0; margin-top: 2px; }

.footer-contact-row a {
  color: rgba(255,255,255,0.7); text-decoration: none;
  transition: color 0.2s;
}

.footer-contact-row a:hover { color: var(--gold); }

.footer-bottom {
  max-width: 1100px; margin: 0 auto;
  padding-top: 24px; border-top: 1px solid rgba(255,255,255,0.06);
  display: flex; align-items: center; justify-content: space-between;
  font-size: 0.78rem; color: rgba(255,255,255,0.25);
}

/* ── NOTICE toast ── */
.toast {
  position: fixed; bottom: 28px; right: 28px; z-index: 9999;
  background: var(--ink); color: var(--white);
  padding: 14px 24px; border-radius: 4px;
  font-size: 0.875rem; border-left: 3px solid var(--gold);
  box-shadow: 0 8px 32px rgba(0,0,0,0.2);
  transform: translateY(20px); opacity: 0;
  transition: all 0.3s; pointer-events: none;
}

.toast.show { transform: translateY(0); opacity: 1; }

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  nav { padding: 0 20px; }
  .nav-toggle { display: flex; }
  .nav-links {
    position: fixed; top: 68px; right: 0; height: calc(100vh - 68px); width: 78%; max-width: 320px;
    background: var(--ink); flex-direction: column; align-items: flex-start;
    gap: 0; padding: 12px 24px 32px; overflow-y: auto;
    border-left: 1px solid rgba(201,168,76,0.2);
    transform: translateX(100%); transition: transform 0.3s ease;
    z-index: 999;
  }
  .nav-links.open { transform: translateX(0); }
  .nav-links li { width: 100%; }
  .nav-links a {
    display: block; width: 100%; padding: 16px 0; font-size: 0.8rem;
    border-bottom: 1px solid rgba(255,255,255,0.08);
  }
  .nav-item-dropdown { width: 100%; }
  .nav-dropdown-menu {
    position: static; left: auto; transform: none; opacity: 1; visibility: visible;
    display: none; box-shadow: none; border: none; min-width: 0;
    background: rgba(255,255,255,0.03); margin: 0 0 8px; padding: 4px;
  }
  .nav-item-dropdown.open .nav-dropdown-menu { display: block; }
  .nav-dropdown-menu a { border-bottom: none; padding: 12px 10px; }
  .gallery-grid { grid-template-columns: 1fr; }
  .blog-grid { grid-template-columns: 1fr; }
  footer { padding: 48px 24px 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 36px; }
  .form-row { grid-template-columns: 1fr; }
  .contact-info-bar { grid-template-columns: 1fr; }
  .store-cards { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
}

/* Tablet width has enough room for 2 footer columns */
@media (min-width: 561px) and (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

.zalo-float{position:fixed;bottom:28px;right:24px;z-index:9998;display:flex;align-items:center;gap:10px;background:linear-gradient(135deg,#0068ff,#0051cc);color:white;text-decoration:none;padding:13px 20px 13px 16px;border-radius:50px;font-family:'DM Sans',sans-serif;font-weight:700;font-size:0.88rem;box-shadow:0 4px 20px rgba(0,104,255,0.4);transition:transform 0.2s,box-shadow 0.2s;animation:zfIn 0.6s 0.8s ease both;}
.zalo-float:hover{transform:translateY(-3px) scale(1.04);box-shadow:0 10px 28px rgba(0,104,255,0.5);}
.zalo-float::before{content:'';position:absolute;inset:-5px;border-radius:50px;border:2px solid rgba(0,104,255,0.35);animation:zfRing 2.5s ease infinite;}
@keyframes zfRing{0%{transform:scale(1);opacity:1}100%{transform:scale(1.2);opacity:0}}
@keyframes zfIn{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}
@media(max-width:480px){.zalo-float-lbl{display:none;}.zalo-float{padding:14px;border-radius:50%;}}

/* VISITOR COUNTER */
.visitor-counter {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(201,168,76,0.2);
  padding: 6px 14px; border-radius: 20px;
  font-size: 0.78rem; color: rgba(255,255,255,0.5);
}
.visitor-counter span { color: var(--gold); font-weight: 700; }

/* HOME HERO keyframes */
@keyframes hIn { from{opacity:0;transform:translateY(30px)} to{opacity:1;transform:translateY(0)} }
@keyframes bounce { 0%,100%{transform:translateX(-50%) translateY(0)} 50%{transform:translateX(-50%) translateY(6px)} }