/* ══════════════════════════════════════════════
   NAM THĂNG — SHARED STYLES
   Gallery-feel terrazzo website
   Fonts: Cormorant Garamond + DM Sans
   ══════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;0,600;1,300;1,400&family=DM+Sans:wght@300;400;500;600&display=swap');

:root {
  --dark: #2a2422;
  --cream: #faf8f5;
  --warm: #f5f0eb;
  --mid: #8a8580;
  --accent: #B05A3E;
  --serif: 'Cormorant Garamond', Georgia, serif;
  --sans: 'DM Sans', 'Helvetica Neue', sans-serif;
  --max-w: 1140px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  color: var(--dark);
  background: #fff;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 40px;
}


/* ── NAVIGATION ────────────────────────────── */

.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(42,36,34,0.05);
  transition: box-shadow 0.3s;
}
.nav.scrolled {
  box-shadow: 0 1px 12px rgba(0,0,0,0.04);
}
.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.nav-logo {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 400;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--dark);
  transition: opacity 0.3s;
}
.nav-logo:hover { opacity: 0.7; }
.nav-links {
  display: flex;
  gap: 28px;
  list-style: none;
}
.nav-links a {
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 1.8px;
  text-transform: uppercase;
  color: var(--mid);
  transition: color 0.3s;
  position: relative;
  padding-bottom: 2px;
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--dark);
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--dark);
  transition: width 0.3s;
}
.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

/* Dropdown */
.nav-dropdown {
  position: relative;
}
.nav-dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: -16px;
  padding: 16px 0 12px;
  min-width: 180px;
  background: rgba(255,255,255,0.98);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(42,36,34,0.06);
  border-radius: 8px;
  box-shadow: 0 8px 30px rgba(0,0,0,0.08);
  z-index: 200;
}
.nav-dropdown:hover .nav-dropdown-menu {
  display: block;
}
.nav-dropdown-menu a {
  display: block;
  padding: 7px 20px;
  font-size: 13px;
  font-weight: 300;
  letter-spacing: 0.5px;
  text-transform: none;
  color: var(--mid);
  transition: all 0.2s;
}
.nav-dropdown-menu a:hover {
  color: var(--dark);
  padding-left: 24px;
}
.nav-dropdown-menu a::after { display: none; }

/* Mobile */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  display: block;
  width: 20px;
  height: 1.5px;
  background: var(--dark);
  margin: 4px 0;
  transition: all 0.3s;
}


/* ── HERO (full-screen) ───────────────────── */

.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: transform 8s ease-out;
}
.hero:hover .hero-bg {
  transform: scale(1.02);
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(42,36,34,0.25) 0%,
    rgba(42,36,34,0.1) 40%,
    rgba(42,36,34,0.1) 60%,
    rgba(42,36,34,0.35) 100%
  );
}
.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: #fff;
  padding: 0 40px;
}
.hero-content h1 {
  font-family: var(--serif);
  font-size: 58px;
  font-weight: 300;
  letter-spacing: 6px;
  text-transform: uppercase;
  text-shadow: 0 2px 20px rgba(0,0,0,0.2);
  margin-bottom: 12px;
  line-height: 1.15;
}
.hero-content .hero-sub {
  font-size: 15px;
  font-weight: 300;
  letter-spacing: 4px;
  text-transform: uppercase;
  opacity: 0.8;
}
.hero-divider {
  width: 40px;
  height: 1px;
  background: rgba(255,255,255,0.5);
  margin: 20px auto;
}
.hero-cta {
  display: inline-block;
  padding: 13px 36px;
  border: 1px solid rgba(255,255,255,0.5);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: #fff;
  transition: all 0.4s;
  margin-top: 8px;
}
.hero-cta:hover {
  background: rgba(255,255,255,0.15);
  border-color: rgba(255,255,255,0.8);
}
/* ── HERO: 2 nút (Trang chủ, 29/09/2026) ── */
.hero-ctas { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-top: 8px; }
.hero-ctas .hero-cta { margin-top: 0; min-width: 210px; text-align: center; }
.hero-cta-solid { background: var(--accent); border-color: var(--accent); }
.hero-cta-solid:hover { background: #9a4c33; border-color: #9a4c33; }
@media (max-width: 600px) {
  .hero-ctas { flex-direction: column; align-items: center; gap: 12px; }
  .hero-ctas .hero-cta { min-width: 230px; }
}

.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  color: rgba(255,255,255,0.5);
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
}
.hero-scroll::after {
  content: '';
  width: 1px;
  height: 24px;
  background: rgba(255,255,255,0.3);
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(0.6); }
  50% { opacity: 1; transform: scaleY(1); }
}


/* ── COLLECTION HERO (shorter) ─────────────── */

.hero-collection {
  height: 55vh;
  min-height: 400px;
}
.hero-collection .hero-content h1 {
  font-size: 48px;
}


/* ── SECTION SPACING ───────────────────────── */

.section {
  padding: 90px 0;
}
.section-warm {
  background: var(--warm);
}


/* ── SECTION HEADERS ───────────────────────── */

.section-header {
  text-align: center;
  margin-bottom: 50px;
}
.eyebrow {
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--mid);
  margin-bottom: 14px;
  display: block;
}
.section-header h2 {
  font-family: var(--serif);
  font-size: 38px;
  font-weight: 300;
  letter-spacing: 0.5px;
  line-height: 1.3;
}
.section-header p {
  font-size: 16px;
  font-weight: 300;
  color: var(--mid);
  max-width: 520px;
  margin: 14px auto 0;
  line-height: 1.7;
}


/* ── COLLECTION CARDS (homepage) ────────────── */

.collections-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.collection-card {
  position: relative;
  overflow: hidden;
  border-radius: 6px;
  aspect-ratio: 0.88;
  display: block;
  transition: transform 0.4s;
}
.collection-card:hover {
  transform: translateY(-3px);
}
.card-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: transform 0.6s;
}
.collection-card:hover .card-bg {
  transform: scale(1.04);
}
.card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(42,36,34,0.0) 0%,
    rgba(42,36,34,0.0) 40%,
    rgba(42,36,34,0.55) 100%
  );
  transition: background 0.4s;
}
.collection-card:hover .card-overlay {
  background: linear-gradient(
    180deg,
    rgba(42,36,34,0.0) 0%,
    rgba(42,36,34,0.0) 30%,
    rgba(42,36,34,0.65) 100%
  );
}
.card-info {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 28px 22px;
  z-index: 2;
}
.card-info h3 {
  font-family: var(--serif);
  font-size: 24px;
  font-weight: 400;
  color: #fff;
  letter-spacing: 0.5px;
  margin-bottom: 3px;
}
.card-info p {
  font-size: 11px;
  font-weight: 300;
  color: rgba(255,255,255,0.65);
  letter-spacing: 2px;
  text-transform: uppercase;
}
.card-colors {
  display: flex;
  gap: 4px;
  margin-top: 10px;
}
.card-colors span {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 1.5px solid rgba(255,255,255,0.35);
}
.card-arrow {
  position: absolute;
  top: 18px;
  right: 18px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: translateX(-6px);
  transition: all 0.4s;
  color: #fff;
  font-size: 14px;
}
.collection-card:hover .card-arrow {
  opacity: 1;
  transform: translateX(0);
}


/* ── COLOR PALETTE — STACKED CARDS ──────────── */

.palette-stack {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  max-width: 520px;
  margin: 0 auto;
}
.palette-card {
  width: 100%;
  padding: 22px 28px 20px;
  border-radius: 14px;
  cursor: pointer;
  position: relative;
  color: var(--dark);
  transition: transform 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              box-shadow 0.35s ease;
  margin-bottom: -10px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
  z-index: 1;
}
.palette-card:hover {
  transform: scale(1.03);
  box-shadow: 0 8px 28px rgba(0,0,0,0.12);
  z-index: 10;
}
.palette-card:last-child {
  margin-bottom: 0;
}
.palette-card-hex {
  display: block;
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 1.5px;
  opacity: 0.55;
  margin-bottom: 4px;
}
.palette-card-name {
  display: block;
  font-family: var(--serif);
  font-size: 24px;
  font-weight: 500;
  letter-spacing: 0.5px;
}
.palette-card-code {
  position: absolute;
  top: 22px;
  right: 28px;
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 2px;
  text-transform: uppercase;
  opacity: 0.4;
}

/* Old palette grid — keep for other collection pages */
.palette-grid {
  display: grid;
  gap: 20px;
}
.palette-grid.cols-9 { grid-template-columns: repeat(9, 1fr); }
.palette-grid.cols-8 { grid-template-columns: repeat(8, 1fr); }
.palette-grid.cols-6 { grid-template-columns: repeat(6, 1fr); }
.palette-grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
.palette-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }

.color-tile {
  text-align: center;
  cursor: pointer;
  transition: transform 0.3s;
}
.color-tile:hover {
  transform: translateY(-3px);
}
.color-swatch {
  aspect-ratio: 0.85;
  border-radius: 6px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
  margin-bottom: 12px;
  position: relative;
  overflow: hidden;
}
.color-swatch::after {
  content: attr(data-hex);
  position: absolute;
  bottom: 10px;
  left: 0;
  right: 0;
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 1px;
  text-align: center;
  opacity: 0;
  transition: opacity 0.3s;
}
.color-tile:hover .color-swatch::after { opacity: 0.65; }
.color-swatch.light-hex::after { color: #fff; }
.color-swatch.dark-hex::after { color: var(--dark); }

.color-name {
  font-family: var(--serif);
  font-size: 16px;
  font-weight: 400;
  color: var(--dark);
  margin-bottom: 2px;
}
.color-hex {
  font-size: 11px;
  font-weight: 300;
  color: var(--mid);
  letter-spacing: 1px;
}
.palette-note {
  margin-top: 20px;
  font-size: 12px;
  font-weight: 300;
  color: var(--mid);
  font-style: italic;
  text-align: center;
}


/* ── SPECS BAR ─────────────────────────────── */

.specs-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: rgba(42,36,34,0.06);
  border-radius: 8px;
  overflow: hidden;
}
.spec-item {
  background: #fff;
  padding: 28px 24px;
  text-align: center;
}
.section-warm .spec-item {
  background: var(--warm);
}
.spec-item .spec-label {
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--mid);
  margin-bottom: 6px;
}
.spec-item .spec-value {
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 400;
  color: var(--dark);
}


/* ── SPLIT LAYOUT ──────────────────────────── */

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
  align-items: center;
}
.split-img {
  border-radius: 6px;
  overflow: hidden;
  aspect-ratio: 0.9;
  background: linear-gradient(145deg, #d4c5b0, #a89880);
}
.split-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.split-text h2 {
  font-family: var(--serif);
  font-size: 34px;
  font-weight: 300;
  letter-spacing: 0.5px;
  margin-bottom: 20px;
  line-height: 1.3;
}
.split-text p {
  font-size: 16px;
  font-weight: 300;
  line-height: 1.8;
  color: #5a5550;
  margin-bottom: 14px;
}


/* ── BUTTONS ───────────────────────────────── */

.btn {
  display: inline-block;
  padding: 13px 36px;
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 3px;
  text-transform: uppercase;
  transition: all 0.4s;
  border: 1px solid var(--dark);
  color: var(--dark);
  background: transparent;
  cursor: pointer;
  font-family: var(--sans);
}
.btn:hover {
  background: var(--dark);
  color: #fff;
}
.btn-light {
  border-color: rgba(255,255,255,0.5);
  color: #fff;
}
.btn-light:hover {
  background: rgba(255,255,255,0.15);
  border-color: rgba(255,255,255,0.8);
  color: #fff;
}


/* ── PROCESS STEPS ─────────────────────────── */

.process-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  text-align: center;
}
.step-num {
  font-family: var(--serif);
  font-size: 32px;
  font-weight: 300;
  color: var(--accent);
  margin-bottom: 10px;
}
.step h4 {
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.step p {
  font-size: 14px;
  font-weight: 300;
  color: var(--mid);
  line-height: 1.6;
}


/* ── CONTACT GRID ──────────────────────────── */

.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  text-align: center;
}
.contact-item h4 {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.contact-item p {
  font-size: 15px;
  font-weight: 300;
  color: #5a5550;
  line-height: 1.6;
}
.contact-item a {
  color: var(--accent);
  transition: opacity 0.3s;
}
.contact-item a:hover { opacity: 0.7; }


/* ── CONTACT FORM ──────────────────────────── */

.contact-form {
  max-width: 500px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 14px 18px;
  border: 1px solid rgba(42,36,34,0.12);
  border-radius: 4px;
  font-family: var(--sans);
  font-size: 15px;
  font-weight: 300;
  color: var(--dark);
  background: #fff;
  transition: border-color 0.3s;
  outline: none;
}
.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--dark);
}
.contact-form textarea {
  height: 120px;
  resize: vertical;
}
.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: var(--mid);
}

.gform-embed {
  max-width: 640px;
  margin: 0 auto;
  border-radius: 4px;
  overflow: hidden;
}
.gform-embed iframe {
  display: block;
  border: none;
}


/* ── BREADCRUMB ────────────────────────────── */

.breadcrumb {
  padding: 20px 0;
  font-size: 12px;
  font-weight: 300;
  color: var(--mid);
  letter-spacing: 0.5px;
}
.breadcrumb a {
  color: var(--mid);
  transition: color 0.3s;
}
.breadcrumb a:hover {
  color: var(--dark);
}
.breadcrumb span {
  margin: 0 8px;
  opacity: 0.4;
}


/* ── GALLERY SLIDESHOW ─────────────────────── */

.gallery-slide {
  position: relative;
  border-radius: 6px;
  overflow: hidden;
  cursor: pointer;
}
.gallery-slide img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 0.8s ease-in-out;
}
.gallery-slide img.active {
  opacity: 1;
}
.gallery-slide-dots {
  position: absolute;
  bottom: 10px;
  left: 0;
  right: 0;
  display: flex;
  justify-content: center;
  gap: 6px;
  z-index: 3;
  opacity: 0;
  transition: opacity 0.3s;
}
.gallery-slide:hover .gallery-slide-dots {
  opacity: 1;
}
.gallery-slide-dots span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(255,255,255,0.4);
  transition: background 0.3s;
}
.gallery-slide-dots span.active {
  background: rgba(255,255,255,0.9);
}

/* ── GALLERY PREVIEW (collection page) ─────── */

.gallery-row {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 16px;
  height: 420px;
}
.gallery-row-reverse {
  grid-template-columns: 1fr 2fr;
}
.gallery-img {
  border-radius: 6px;
  overflow: hidden;
  position: relative;
  height: 100%;
}
.gallery-img-tall {
  height: 100%;
}
.gallery-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 300;
  color: rgba(255,255,255,0.4);
  letter-spacing: 1px;
}


/* ── CTA BANNER ────────────────────────────── */

.cta-banner {
  text-align: center;
  padding: 70px 0;
  background: var(--dark);
  color: #fff;
}
.cta-banner h2 {
  font-family: var(--serif);
  font-size: 32px;
  font-weight: 300;
  letter-spacing: 1px;
  margin-bottom: 10px;
}
.cta-banner p {
  font-size: 14px;
  font-weight: 300;
  color: rgba(255,255,255,0.6);
  margin-bottom: 28px;
}


/* ── FOOTER ────────────────────────────────── */

.footer {
  background: var(--dark);
  color: rgba(255,255,255,0.45);
  padding: 50px 0 36px;
}
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 16px 32px;
}
/* Khối thông tin liên hệ: tách thành hàng riêng, nằm trên cùng */
.footer-inner > .nt-footer-info {
  order: -1;
  flex: 1 0 100%;
  width: 100%;
}
/* Logo và dòng bản quyền không co lại */
.footer-inner > .footer-logo,
.footer-inner > .footer-copy { flex: 0 0 auto; }
.footer-logo {
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 400;
  color: rgba(255,255,255,0.7);
  letter-spacing: 3px;
  text-transform: uppercase;
}
.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px 26px;
  list-style: none;
  flex: 1 1 auto;
  min-width: 0;
}
/* Không cho tên mục vỡ giữa chừng */
.footer-links li { white-space: nowrap; }
.footer-links a {
  font-size: 11px;
  font-weight: 300;
  letter-spacing: 1px;
  text-transform: uppercase;
  transition: color 0.3s;
}
.footer-links a:hover {
  color: rgba(255,255,255,0.8);
}
.footer-copy {
  font-size: 11px;
  font-weight: 300;
}


/* ── TERRAZZO SAMPLES ─────────────────────── */

.sample-legend {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 40px;
}
.sample-legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  color: var(--mid);
  letter-spacing: 0.5px;
  background: #fff;
  padding: 5px 12px;
  border-radius: 20px;
  border: 1px solid rgba(42,36,34,0.06);
}
.sample-legend-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}

.sample-color-section {
  margin-bottom: 50px;
}
.sample-color-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(42,36,34,0.06);
}
.sample-color-swatch {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  border: 1px solid rgba(0,0,0,0.06);
  flex-shrink: 0;
}
.sample-color-header h4 {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 400;
}
.sample-color-header .sample-hex {
  font-size: 11px;
  color: var(--mid);
  letter-spacing: 1px;
}
.sample-color-header .sample-desc {
  font-size: 12px;
  color: var(--mid);
  margin-left: auto;
  max-width: 320px;
  text-align: right;
  line-height: 1.6;
}

.samples-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px;
}
.sample-card {
  background: #fff;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid rgba(42,36,34,0.06);
  transition: transform 0.3s, box-shadow 0.3s;
}
.sample-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(42,36,34,0.08);
}
.sample-card canvas,
.sample-card .sample-photo {
  width: 100%;
  aspect-ratio: 1;
  display: block;
  object-fit: cover;
}
.sample-card-info {
  padding: 10px 12px;
}
.sample-card-code {
  font-size: 10px;
  letter-spacing: 2px;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 3px;
}
.sample-card-name {
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 2px;
}
.sample-card-note {
  font-size: 11px;
  color: var(--mid);
  line-height: 1.5;
}
.sample-card-tags {
  display: flex;
  gap: 4px;
  margin-top: 6px;
  flex-wrap: wrap;
}
.sample-card-tag {
  font-size: 9px;
  letter-spacing: 0.5px;
  padding: 2px 7px;
  border-radius: 10px;
  background: rgba(42,36,34,0.04);
  color: var(--mid);
}

/* ── FILTER TABS (Dự Án & Cảm Hứng) ────────── */

.filter-tabs {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-bottom: 46px;
  flex-wrap: wrap;
}
.filter-tab {
  padding: 9px 24px;
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--mid);
  border: 1px solid rgba(42,36,34,0.12);
  border-radius: 30px;
  background: transparent;
  cursor: pointer;
  transition: all 0.3s;
  font-family: var(--sans);
}
.filter-tab:hover {
  color: var(--dark);
  border-color: var(--dark);
}
.filter-tab.active {
  background: var(--dark);
  color: #fff;
  border-color: var(--dark);
}

/* ── PORTFOLIO GRID (Công Trình) ───────────── */

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.portfolio-card {
  position: relative;
  border-radius: 6px;
  overflow: hidden;
  aspect-ratio: 0.9;
  display: block;
  transition: transform 0.4s;
}
.portfolio-card:hover {
  transform: translateY(-3px);
}
.portfolio-card-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: transform 0.6s;
}
.portfolio-card:hover .portfolio-card-bg {
  transform: scale(1.04);
}
.portfolio-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(42,36,34,0) 35%, rgba(42,36,34,0.65) 100%);
}
.portfolio-card-info {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 22px;
  z-index: 2;
  color: #fff;
}
.portfolio-card-tag {
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 2px;
  text-transform: uppercase;
  opacity: 0.75;
  margin-bottom: 6px;
  display: block;
}
.portfolio-card-info h3 {
  font-family: var(--serif);
  font-size: 21px;
  font-weight: 400;
  margin-bottom: 3px;
}
.portfolio-card-info p {
  font-size: 12px;
  font-weight: 300;
  opacity: 0.7;
}

/* ── ARTICLE LIST (Cảm Hứng / Blog) ────────── */

.article-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}
.article-card {
  display: block;
}
.article-card-img {
  aspect-ratio: 1.3;
  border-radius: 6px;
  overflow: hidden;
  margin-bottom: 18px;
  background: linear-gradient(145deg, #d4c5b0, #a89880);
}
.article-card-cat {
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
  display: block;
}
.article-card h3 {
  font-family: var(--serif);
  font-size: 21px;
  font-weight: 400;
  line-height: 1.35;
  margin-bottom: 8px;
}
.article-card p {
  font-size: 13px;
  font-weight: 300;
  color: var(--mid);
  line-height: 1.7;
  margin-bottom: 10px;
}
.article-card-meta {
  font-size: 11px;
  color: var(--mid);
  letter-spacing: 0.5px;
}


/* ── FADE-IN ANIMATION ─────────────────────── */

.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}


/* ── PHOTO LIBRARY (Thư Viện Ảnh — tabs + pagination) ─── */

.photo-library-tabs {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-bottom: 36px;
  flex-wrap: wrap;
}
.photo-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px;
  margin-bottom: 30px;
}
.photo-tile {
  position: relative;
  aspect-ratio: 1;
  border-radius: 8px;
  overflow: hidden;
  background: rgba(42,36,34,0.04);
}
.photo-tile img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s;
}
.photo-tile:hover img {
  transform: scale(1.06);
}
.gallery-pager {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
}
.pager-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid rgba(42,36,34,0.15);
  background: #fff;
  color: var(--dark);
  font-size: 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s;
}
.pager-btn:hover:not(:disabled) {
  background: var(--dark);
  color: #fff;
  border-color: var(--dark);
}
.pager-btn:disabled {
  opacity: 0.3;
  cursor: default;
}
.pager-info {
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 1px;
  color: var(--mid);
  min-width: 90px;
  text-align: center;
}


/* ── MINI GALLERY BOX (nhúng trong san-pham.html / dich-vu.html) ─── */

.mini-gallery-box {
  background: var(--warm);
  border-radius: 14px;
  padding: 34px 34px 30px;
  max-width: 900px;
  margin: 0 auto;
  text-align: left;
}
.mini-gallery-box .photo-library-tabs {
  margin-bottom: 22px;
}
.mini-gallery-box .photo-grid {
  margin-bottom: 22px;
}
.mini-gallery-box .filter-tab {
  padding: 7px 18px;
  font-size: 10px;
}


/* ── RESPONSIVE ────────────────────────────── */

@media (max-width: 1024px) {
  .collections-grid { grid-template-columns: repeat(2, 1fr); }
  .split { grid-template-columns: 1fr; gap: 40px; }
  .specs-bar { grid-template-columns: repeat(2, 1fr); }
  .palette-grid.cols-9 { grid-template-columns: repeat(5, 1fr); }
  .palette-grid.cols-8 { grid-template-columns: repeat(4, 1fr); }
  .gallery-row, .gallery-row-reverse { grid-template-columns: 1fr 1fr; }
  .photo-grid { grid-template-columns: repeat(4, 1fr); }
  .samples-grid { grid-template-columns: repeat(3, 1fr); }
  .sample-color-header .sample-desc { display: none; }
  .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
  .article-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .container { padding: 0 24px; }
  .section { padding: 60px 0; }
  .palette-stack { max-width: 100%; }
  .palette-card { padding: 18px 22px 16px; border-radius: 12px; }
  .palette-card-name { font-size: 20px; }
  .palette-card-code { top: 18px; right: 22px; }
  .nav-links { display: none; }
  .nav-toggle { display: block; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: rgba(255,255,255,0.98);
    backdrop-filter: blur(16px);
    padding: 20px 40px;
    gap: 14px;
    border-bottom: 1px solid rgba(42,36,34,0.06);
  }
  .nav-links.open .nav-dropdown-menu {
    position: static;
    box-shadow: none;
    border: none;
    background: transparent;
    padding: 8px 0 0 16px;
    display: block;
  }
  .hero-content h1 { font-size: 34px; letter-spacing: 3px; }
  .hero-collection .hero-content h1 { font-size: 30px; }
  .section-header h2 { font-size: 30px; }
  .collections-grid { grid-template-columns: 1fr; }
  .palette-grid.cols-9,
  .palette-grid.cols-8,
  .palette-grid.cols-6 { grid-template-columns: repeat(3, 1fr); }
  .specs-bar { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 20px; }
  .process-steps { grid-template-columns: 1fr; gap: 24px; }
  .footer-inner { flex-direction: column; gap: 18px; text-align: center; }
  .footer-links { justify-content: center; gap: 10px 20px; }
  .footer-inner > .nt-footer-info { text-align: center; }
  .gallery-row, .gallery-row-reverse { grid-template-columns: 1fr; }
  .photo-grid { grid-template-columns: repeat(3, 1fr); gap: 10px; }
  .photo-library-tabs { gap: 8px; }
  .mini-gallery-box { padding: 24px 20px 22px; }
  .samples-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .sample-color-header { flex-direction: column; align-items: flex-start; gap: 8px; }
  .sample-color-header .sample-desc { margin-left: 0; text-align: left; }
  .portfolio-grid { grid-template-columns: 1fr; }
  .article-grid { grid-template-columns: 1fr; }
  .filter-tabs { gap: 8px; }
}


/* ══════════════════════════════════════════════
   MENU XỔ XUỐNG CÓ ẢNH (mega) — sinh từ admin
   ══════════════════════════════════════════════ */
.nav-dropdown-menu.mega {
  min-width: 320px;
  padding: 10px;
}
.nav-dropdown-menu.mega .nd-item {
  display: grid;
  grid-template-columns: 58px 1fr;
  gap: 12px;
  align-items: center;
  padding: 8px 10px;
  border-radius: 6px;
  transition: background 0.2s;
}
.nav-dropdown-menu.mega .nd-item:hover {
  background: var(--warm);
  padding-left: 10px;
}
.nav-dropdown-menu.mega.no-img .nd-item { grid-template-columns: 1fr; }
.nav-dropdown-menu.mega .nd-thumb {
  width: 58px; height: 44px;
  border-radius: 4px;
  background: var(--warm) center/cover no-repeat;
  display: block;
}
.nav-dropdown-menu.mega .nd-txt { display: block; }
.nav-dropdown-menu.mega .nd-txt b {
  display: block;
  font-family: var(--sans);
  font-size: 13px; font-weight: 500;
  letter-spacing: 0.3px;
  color: var(--dark);
}
.nav-dropdown-menu.mega .nd-txt em {
  display: block;
  font-style: normal;
  font-size: 11.5px; line-height: 1.5;
  color: var(--mid);
  margin-top: 2px;
}
@media (max-width: 900px) {
  .nav-dropdown-menu.mega { min-width: 0; padding: 0; }
  .nav-dropdown-menu.mega .nd-thumb { display: none; }
  .nav-dropdown-menu.mega .nd-item { grid-template-columns: 1fr; padding: 7px 20px; }
  .nav-dropdown-menu.mega .nd-txt em { display: none; }
}


/* ===== MẪU MÃ — lưới ô vuông ===== */
.pal-head{max-width:640px;margin:0 auto 26px;text-align:center}
.pal-hint{font-size:13px;font-weight:300;color:var(--mid);letter-spacing:.3px;margin:0}
.palette-grid-v2{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(158px,1fr));
  gap:30px 24px;margin:0 auto;max-width:910px;
}
.pal-tile{
  display:block;width:100%;padding:0;border:0;background:none;text-align:left;
  cursor:pointer;font-family:inherit;position:relative;
}
.pal-swatch{
  display:block;width:100%;aspect-ratio:1/1;border-radius:10px;
  box-shadow:0 1px 3px rgba(42,36,34,.10), inset 0 0 0 1px rgba(42,36,34,.06);
  transition:transform .3s cubic-bezier(.25,.46,.45,.94),box-shadow .3s ease;
}
.pal-tile:hover .pal-swatch{transform:translateY(-3px);box-shadow:0 10px 24px rgba(42,36,34,.16), inset 0 0 0 1px rgba(42,36,34,.06)}
.pal-meta{display:block;padding:12px 2px 0}
.pal-name{display:block;font-family:var(--serif);font-size:19px;font-weight:500;color:var(--dark);letter-spacing:.3px;line-height:1.25}
.pal-code{display:block;margin-top:3px;font-size:10px;letter-spacing:1.6px;text-transform:uppercase;color:var(--mid);font-weight:400}
.pal-go{
  position:absolute;left:0;right:0;bottom:0;margin:0;padding:10px 0 9px;
  font-size:10px;letter-spacing:1.6px;text-transform:uppercase;text-align:center;
  color:#fff;background:rgba(42,36,34,.72);
  border-radius:0 0 10px 10px;opacity:0;transform:translateY(6px);
  transition:opacity .25s ease,transform .25s ease;
}
.pal-tile:hover .pal-go,.pal-tile:focus-visible .pal-go{opacity:1;transform:translateY(0)}
@media(hover:none){.pal-go{display:none}}
@media(max-width:760px){
  .palette-grid-v2{grid-template-columns:repeat(3,1fr);gap:20px 12px;max-width:100%}
  .pal-swatch{border-radius:8px}
  .pal-meta{padding:9px 1px 0}
  .pal-name{font-size:14px}
  .pal-code{font-size:9px;letter-spacing:1.1px}
}

/* Làm nổi nhóm mẫu vừa được chọn từ bảng màu */
.sample-color-section{scroll-margin-top:92px;border-radius:12px;transition:background .6s ease,box-shadow .6s ease}
.sample-color-section.nt-focus{
  background:rgba(176,90,62,.05);
  box-shadow:0 0 0 12px rgba(176,90,62,.05);
}

/* ===== Khối kêu gọi đặt mẫu cá nhân hoá ===== */
.nt-custom-cta{
  max-width:760px;margin:70px auto 0;padding:44px 40px;text-align:center;
  background:var(--warm);border-radius:14px;
}
.nt-custom-cta h3{
  font-family:var(--serif);font-size:27px;font-weight:400;color:var(--dark);
  margin:0 0 12px;line-height:1.3;text-wrap:balance;
}
.nt-custom-cta p{
  font-size:14px;font-weight:300;color:var(--mid);line-height:1.75;
  max-width:520px;margin:0 auto 26px;
}
.nt-custom-actions{display:flex;justify-content:center;align-items:center;gap:26px;flex-wrap:wrap}
.nt-custom-btn{
  display:inline-block;background:var(--dark);color:#fff;text-decoration:none;
  padding:15px 32px;border-radius:2px;font-size:11px;letter-spacing:2px;text-transform:uppercase;
  transition:background .3s ease;
}
.nt-custom-btn:hover{background:var(--accent)}
.nt-custom-link{
  font-size:12px;letter-spacing:1px;color:var(--dark);text-decoration:none;
  border-bottom:1px solid rgba(42,36,34,.25);padding-bottom:2px;
}
.nt-custom-link:hover{color:var(--accent);border-color:var(--accent)}
.nt-custom-note{
  display:block;margin:26px auto 0;max-width:560px;padding-top:20px;
  border-top:1px solid rgba(42,36,34,.10);
  font-size:12px;font-weight:300;font-style:italic;color:var(--mid);line-height:1.7;
}
@media(max-width:700px){
  .nt-custom-cta{padding:34px 22px;margin-top:50px}
  .nt-custom-cta h3{font-size:22px}
  .nt-custom-btn{width:100%}
}


/* ── PROCESS FLOW (infographic — ca-nhan-hoa) ─── */

.process-flow {
  --node: 84px;
  list-style: none;
  margin: 0 auto;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  position: relative;
  text-align: center;
}
/* đường nối: nền mờ + nét đậm tự vẽ khi cuộn tới */
.process-flow::before,
.process-flow::after {
  content: "";
  position: absolute;
  top: calc(var(--node) / 2);
  left: 12.5%;
  right: 12.5%;
  height: 1px;
  background: rgba(42,36,34,0.12);
}
.process-flow::after {
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 1.6s cubic-bezier(.6,0,.2,1) 0.3s;
}
.process-flow.visible::after { transform: scaleX(1); }

.flow-step {
  position: relative;
  z-index: 1;
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .6s ease-out, transform .6s ease-out;
  transition-delay: calc(var(--i) * 0.4s + 0.2s);
}
.process-flow.visible .flow-step { opacity: 1; transform: none; }

.flow-node {
  width: var(--node);
  height: var(--node);
  margin: 0 auto 18px;
  border-radius: 50%;
  background: var(--cream);
  border: 1px solid rgba(176,90,62,0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  box-shadow: 0 0 0 8px var(--warm);
  transition: background .35s ease, color .35s ease, border-color .35s ease, transform .35s ease;
}
.flow-node svg {
  width: 34px;
  height: 34px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.flow-node svg .fill { fill: currentColor; stroke: none; }

.flow-step:hover .flow-node {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--cream);
  transform: translateY(-3px);
}

.flow-num {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 300;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 12px;
}
.flow-step h4 {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.flow-step p {
  font-size: 14px;
  font-weight: 300;
  color: var(--mid);
  line-height: 1.65;
  max-width: 250px;
  margin: 0 auto;
}

/* tablet: 2 × 2, bỏ đường nối ngang */
@media (max-width: 1024px) {
  .process-flow { grid-template-columns: repeat(2, 1fr); gap: 48px 32px; }
  .process-flow::before, .process-flow::after { display: none; }
}

/* mobile: timeline dọc */
@media (max-width: 768px) {
  .process-flow { --node: 60px; grid-template-columns: 1fr; gap: 34px; text-align: left; }
  .flow-step {
    display: grid;
    grid-template-columns: var(--node) 1fr;
    column-gap: 20px;
    align-items: start;
  }
  /* mỗi bước tự nối xuống bước sau */
  .flow-step:not(:last-child)::before,
  .flow-step:not(:last-child)::after {
    content: "";
    position: absolute;
    left: calc(var(--node) / 2);
    top: calc(var(--node) / 2);
    width: 1px;
    height: calc(100% + 34px);
    background: rgba(42,36,34,0.12);
    z-index: -1;
  }
  .flow-step:not(:last-child)::after {
    background: var(--accent);
    transform: scaleY(0);
    transform-origin: center top;
    transition: transform .6s ease-in-out;
    transition-delay: calc(var(--i) * 0.4s + 0.6s);
  }
  .process-flow.visible .flow-step::after { transform: scaleY(1); }
  .flow-node { margin: 0; grid-row: 1 / span 3; box-shadow: 0 0 0 6px var(--warm); }
  .flow-node svg { width: 26px; height: 26px; }
  .flow-num { font-size: 18px; margin: 6px 0 6px; }
  .flow-step p { max-width: none; margin: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .process-flow::after, .flow-step, .flow-step::after, .flow-node { transition: none; }
}


/* ── BỘ SƯU TẬP TRANG CHỦ — PHƯƠNG ÁN B: DẢI MỞ RỘNG (01/10/2026) ── */
.collections-grid.collections-strips {
  display: flex;
  gap: 10px;
  height: 560px;
}
.collections-strips .collection-card {
  flex: 1;
  aspect-ratio: auto;
  min-width: 0;
  transition: flex 0.65s cubic-bezier(0.3, 0.7, 0.2, 1);
}
.collections-strips .collection-card:hover { transform: none; }
.collections-strips:hover .collection-card { flex: 0.8; }
.collections-strips .collection-card:hover,
.collections-strips .collection-card:focus-visible,
.collections-strips:not(:hover) .collection-card.is-open { flex: 3.2; }
.collections-strips .card-overlay {
  background: linear-gradient(180deg, rgba(42,36,34,0.05) 0%, rgba(42,36,34,0.65) 100%);
}
.collections-strips .card-arrow { display: none; }
.collections-strips .card-vlabel {
  position: absolute;
  left: 50%;
  bottom: 34px;
  transform: translateX(-50%) rotate(180deg);
  writing-mode: vertical-rl;
  color: #fff;
  font-family: var(--serif);
  font-size: 24px;
  letter-spacing: 1px;
  white-space: nowrap;
  z-index: 2;
  transition: opacity 0.3s;
}
.collections-strips .card-info {
  padding: 28px;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.35s 0.15s, transform 0.35s 0.15s;
  white-space: nowrap;
}
.collections-strips .card-info h3 { font-size: 36px; }
.collections-strips .card-go {
  display: inline-block;
  margin-top: 18px;
  font-size: 11px;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: #fff;
  border-bottom: 1px solid rgba(255,255,255,0.6);
  padding-bottom: 3px;
}
.collections-strips .collection-card:hover .card-vlabel,
.collections-strips .collection-card:focus-visible .card-vlabel,
.collections-strips:not(:hover) .collection-card.is-open .card-vlabel { opacity: 0; }
.collections-strips .collection-card:hover .card-info,
.collections-strips .collection-card:focus-visible .card-info,
.collections-strips:not(:hover) .collection-card.is-open .card-info { opacity: 1; transform: none; }

/* Điện thoại / máy tính bảng dọc: xếp thành danh sách, luôn hiện tên */
@media (max-width: 820px) {
  .collections-grid.collections-strips { flex-direction: column; height: auto; gap: 8px; }
  .collections-strips .collection-card,
  .collections-strips:hover .collection-card,
  .collections-strips .collection-card:hover,
  .collections-strips:not(:hover) .collection-card.is-open { flex: none; height: 150px; }
  .collections-strips .card-vlabel,
  .collections-strips .card-go { display: none; }
  .collections-strips .card-info { opacity: 1; transform: none; padding: 20px; }
  .collections-strips .card-info h3 { font-size: 28px; }
}
@media (prefers-reduced-motion: reduce) {
  .collections-strips .collection-card,
  .collections-strips .card-info { transition: none; }
}


/* ── DẢI SỐ LIỆU + KHỐI KÊU GỌI CÓ FORM (Sản phẩm, Dịch vụ — 01/10/2026) ── */
.nt-stats { background: var(--warm); padding: 44px 0; }
.nt-stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); text-align: center; }
.nt-stat { padding: 0 12px; border-left: 1px solid rgba(42,36,34,0.12); }
.nt-stat:first-child { border-left: 0; }
.nt-stat b { display: block; font-family: var(--serif); font-weight: 400; font-size: 46px; line-height: 1; color: var(--dark); }
.nt-stat span { display: block; margin-top: 10px; font-size: 11px; letter-spacing: 2.5px; text-transform: uppercase; color: var(--mid); }

.cta-banner.nt-lead { position: relative; overflow: hidden; text-align: left; padding: 96px 0; background: #1d1917; color: #fff; }
.nt-lead-bg { position: absolute; inset: 0; background: url('images/DSC01673.JPG') center 40% / cover no-repeat; }
.nt-lead-bg::after { content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(29,25,23,0.9) 0%, rgba(29,25,23,0.7) 45%, rgba(29,25,23,0.35) 100%); }
.nt-lead-grid { position: relative; display: grid; grid-template-columns: 1.1fr 1fr; gap: 64px; align-items: center; }
.nt-lead-eyebrow { font-size: 11px; letter-spacing: 3px; text-transform: uppercase; color: rgba(255,255,255,0.55); }
.cta-banner.nt-lead h2 { font-family: var(--serif); font-weight: 400; font-size: 52px; line-height: 1.08; letter-spacing: 0; margin: 16px 0 18px; }
.cta-banner.nt-lead .nt-lead-copy > p { font-size: 15px; line-height: 1.7; color: rgba(255,255,255,0.75); max-width: 440px; font-weight: 300; margin: 0; }
.nt-lead-points { list-style: none; margin: 28px 0 0; padding: 0; display: grid; gap: 12px; }
.nt-lead-points li { font-size: 14px; color: rgba(255,255,255,0.85); display: flex; gap: 12px; align-items: center; font-weight: 300; }
.nt-lead-points li::before { content: ""; width: 18px; height: 1px; background: var(--accent); flex: none; }

.nt-lead-form { background: rgba(250,248,245,0.97); color: var(--dark); border-radius: 6px; padding: 36px 34px; }
.nt-lead-form h3 { font-family: var(--serif); font-weight: 500; font-size: 28px; margin: 0; }
.cta-banner.nt-lead .nt-lead-form p { color: var(--mid); font-weight: 400; }
.cta-banner.nt-lead .nt-lead-sub { font-size: 13px; color: var(--mid); margin: 6px 0 22px; }
.nt-lead-field { display: block; margin-bottom: 14px; }
.nt-lead-field > span { display: block; font-size: 10.5px; letter-spacing: 2px; text-transform: uppercase; color: var(--mid); margin-bottom: 6px; }
.nt-lead-field input[type=text], .nt-lead-field input[type=tel] { width: 100%; border: 0; border-bottom: 1px solid rgba(42,36,34,0.25);
  background: transparent; padding: 9px 0; font: inherit; font-size: 15px; color: var(--dark); border-radius: 0; outline: 0; }
.nt-lead-field input:focus { border-bottom-color: var(--accent); }
.nt-lead-field input.bad { border-bottom-color: #b23b3b; background: #fdf6f6; }
.nt-lead-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.nt-lead-chips label { cursor: pointer; }
.nt-lead-chips input { position: absolute; opacity: 0; pointer-events: none; }
.nt-lead-chips i { display: inline-block; font-style: normal; border: 1px solid rgba(42,36,34,0.2); border-radius: 99px; padding: 7px 14px; font-size: 13px; transition: all 0.2s; }
.nt-lead-chips input:checked + i { background: var(--dark); color: #fff; border-color: var(--dark); }
.nt-lead-chips input:focus-visible + i { outline: 2px solid var(--accent); outline-offset: 2px; }
.nt-lead-hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.nt-lead-submit { display: block; width: 100%; border: 0; cursor: pointer; background: var(--accent); color: #fff; padding: 17px;
  margin-top: 22px; font: 500 12px/1 var(--sans); letter-spacing: 3px; text-transform: uppercase; border-radius: 3px; transition: background 0.25s; }
.nt-lead-submit:hover:not(:disabled) { background: #c4664a; }
.nt-lead-submit:disabled { opacity: 0.6; cursor: wait; }
.nt-lead-or { display: flex; align-items: center; gap: 12px; margin-top: 16px; font-size: 12px; color: var(--mid); }
.nt-lead-or::before, .nt-lead-or::after { content: ""; flex: 1; height: 1px; background: rgba(42,36,34,0.12); }
.nt-lead-zalo { display: flex; justify-content: center; gap: 10px; align-items: center; margin-top: 14px; border: 1px solid rgba(42,36,34,0.25);
  padding: 14px; font-size: 12px; letter-spacing: 2.5px; text-transform: uppercase; border-radius: 3px; color: var(--dark); text-decoration: none; transition: border-color 0.2s; }
.nt-lead-zalo::before { content: "Z"; width: 20px; height: 20px; border-radius: 5px; background: #0068FF; color: #fff; font-size: 12px; font-weight: 600;
  letter-spacing: 0; display: grid; place-items: center; }
.nt-lead-zalo:hover { border-color: #0068FF; }
.cta-banner.nt-lead .nt-lead-msg { margin: 0; font-size: 13.5px; line-height: 1.55; }
.cta-banner.nt-lead .nt-lead-msg.on { margin-top: 14px; padding: 12px 14px; border-radius: 4px; }
.cta-banner.nt-lead .nt-lead-msg.ok { background: #eef6f0; border: 1px solid #cfe5d7; color: #2f6446; }
.cta-banner.nt-lead .nt-lead-msg.err { background: #fdf1f1; border: 1px solid #f0d4d4; color: #9d3333; }

@media (max-width: 820px) {
  .nt-stats { padding: 34px 0; }
  .nt-stats-grid { grid-template-columns: 1fr 1fr; row-gap: 28px; }
  .nt-stat:nth-child(3) { border-left: 0; }
  .nt-stat b { font-size: 38px; }
  .cta-banner.nt-lead { padding: 64px 0; }
  .nt-lead-grid { grid-template-columns: 1fr; gap: 36px; }
  .cta-banner.nt-lead h2 { font-size: 38px; }
  .nt-lead-bg::after { background: rgba(29,25,23,0.86); }
  .nt-lead-form { padding: 28px 22px; }
}


/* ── TRANG DỊCH VỤ: CHỌN NHANH, SO LE, THÔNG SỐ, NÚT RIÊNG, BẢNG SO SÁNH (01/10/2026) ── */
.nt-pick { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 44px; text-align: left; }
.nt-pick-card { display: flex; flex-direction: column; border: 1px solid rgba(42,36,34,0.14); border-radius: 6px; padding: 22px 20px 20px;
  background: #fff; color: var(--dark); text-decoration: none; transition: border-color 0.25s, transform 0.25s, box-shadow 0.25s; }
.nt-pick-card:hover { border-color: var(--accent); transform: translateY(-3px); box-shadow: 0 10px 28px rgba(42,36,34,0.08); }
.nt-pick-n { font-family: var(--serif); font-size: 30px; color: var(--accent); line-height: 1; }
.nt-pick-card h3 { font-family: var(--serif); font-weight: 500; font-size: 21px; margin: 12px 0 10px; line-height: 1.2; }
.nt-pick-when { font-size: 10.5px; letter-spacing: 2px; text-transform: uppercase; color: var(--mid); margin-bottom: 6px; }
.nt-pick-card p { font-size: 13.5px; line-height: 1.6; color: #5a5550; font-weight: 300; flex: 1; margin: 0; }
.nt-pick-go { margin-top: 16px; font-size: 11px; letter-spacing: 2px; text-transform: uppercase; color: var(--accent); }
html { scroll-behavior: smooth; }
#thi-cong-truc-tiep-san, #thi-cong-truc-tiep-tuong, #thi-cong-lap-dat-op-lat, #thi-cong-danh-bong-sua-chua { scroll-margin-top: 70px; }

.split.nt-svc { grid-template-columns: 1.25fr 1fr; gap: 64px; }
.split.nt-svc.nt-svc-rev { grid-template-columns: 1fr 1.25fr; }
.split.nt-svc.nt-svc-rev > .split-img { order: 2; }
.split.nt-svc > .split-img { aspect-ratio: 4 / 3.2; }

.nt-svc-specs { display: grid; grid-template-columns: 1.4fr 1fr; margin: 22px 0 0;
  border-top: 1px solid rgba(42,36,34,0.14); border-bottom: 1px solid rgba(42,36,34,0.14); }
.nt-svc-specs > div { padding: 14px 12px 14px 0; }
.nt-svc-specs > div + div { padding-left: 16px; border-left: 1px solid rgba(42,36,34,0.14); }
.nt-svc-specs span { display: block; font-size: 10px; letter-spacing: 2px; text-transform: uppercase; color: var(--mid); margin-bottom: 6px; }
.nt-svc-specs b { font-weight: 400; font-size: 14px; line-height: 1.45; color: var(--dark); }
.nt-svc-cta { display: flex; gap: 18px; align-items: center; flex-wrap: wrap; margin-top: 26px; }
.nt-svc-btn { display: inline-flex; gap: 10px; align-items: center; background: var(--accent); color: #fff; padding: 15px 26px;
  font-size: 11.5px; letter-spacing: 2.5px; text-transform: uppercase; border-radius: 3px; text-decoration: none; transition: background 0.25s; }
.nt-svc-btn:hover { background: #c4664a; }
.nt-svc-btn-zalo::before { content: "Z"; width: 18px; height: 18px; border-radius: 4px; background: #fff; color: #0068FF;
  display: grid; place-items: center; font-size: 11px; font-weight: 600; letter-spacing: 0; }
.nt-svc-link { font-size: 11.5px; letter-spacing: 2px; text-transform: uppercase; color: var(--dark); text-decoration: none;
  border-bottom: 1px solid currentColor; padding-bottom: 2px; }
.nt-svc-link:hover { color: var(--accent); }

.nt-cmp { margin-top: 80px; border: 1px solid rgba(42,36,34,0.14); border-radius: 6px; overflow: hidden; background: #fff; }
.nt-cmp-row { display: grid; grid-template-columns: 1fr 1.3fr 1.3fr; }
.nt-cmp-row + .nt-cmp-row { border-top: 1px solid rgba(42,36,34,0.1); }
.nt-cmp-row > div { padding: 18px 22px; font-size: 14px; line-height: 1.55; font-weight: 300; color: #4a4542; }
.nt-cmp-row > div + div { border-left: 1px solid rgba(42,36,34,0.1); }
.nt-cmp-row > div:first-child { font-size: 10.5px; letter-spacing: 2px; text-transform: uppercase; color: var(--mid); font-weight: 400; display: flex; align-items: center; }
.nt-cmp-head > div + div { font-family: var(--serif); font-size: 22px; font-weight: 500; color: var(--dark); }
.nt-cmp-head small { display: block; font-family: var(--sans); font-size: 10.5px; letter-spacing: 2px; text-transform: uppercase; color: var(--accent); margin-top: 4px; font-weight: 400; }

@media (max-width: 1024px) {
  .nt-pick { grid-template-columns: 1fr 1fr; }
  .split.nt-svc, .split.nt-svc.nt-svc-rev { grid-template-columns: 1fr; gap: 32px; }
  .split.nt-svc.nt-svc-rev > .split-img { order: 0; }
}
@media (max-width: 600px) {
  .nt-svc-specs { grid-template-columns: 1fr; }
  .nt-svc-specs > div + div { padding-left: 0; border-left: 0; border-top: 1px solid rgba(42,36,34,0.14); }
  .nt-cmp-row { grid-template-columns: 1fr 1fr; }
  .nt-cmp-row > div:first-child { grid-column: span 2; padding-bottom: 0; }
  .nt-cmp-row > div:nth-child(2) { border-left: 0; }
  .nt-pick-card h3 { font-size: 19px; }
}


/* Trang pháp lý */
.nt-legal{max-width:760px;margin:0 auto;font-size:16px;line-height:1.8;color:var(--text,#2a2422)}
.nt-legal p{margin:0 0 16px}
.nt-legal strong{font-weight:600}
.nt-legal ul{margin:0 0 18px;padding-left:22px}
.nt-legal li{margin-bottom:8px}
.nt-legal-eff{color:#7a6e68;font-size:14px}
@media(max-width:600px){.nt-legal{font-size:15px}}

/* Liên kết pháp lý ở dòng bản quyền chân trang */
.footer-copy .nt-legal-links{float:right;display:inline-flex;flex-wrap:wrap;gap:6px 22px}
.footer-copy .nt-legal-links a{color:rgba(255,255,255,.55);font-size:12px;transition:color .2s}
.footer-copy .nt-legal-links a:hover{color:#fff}
@media(max-width:700px){.footer-copy .nt-legal-links{float:none;display:flex;margin-top:12px}}