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

:root {
  --red-950: #2a0609;
  --red-900: #3d0b0f;
  --red-800: #5a1016;
  --red-700: #7a1820;
  --gold: #d6b06f;
  --gold-soft: #e6cb98;
  --gold-strong: #f5d892;
  --text-main: #f4e9d5;
  --text-muted: #dcc7a0;
  --panel-dark: #0d1520;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Montserrat", sans-serif;
  color: var(--text-main);
  background: var(--red-900);
  overflow-x: hidden;
}

h1, h2, h3, blockquote {
  font-family: "Cormorant Garamond", serif;
  font-weight: 500;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50%       { transform: scale(1.08); opacity: 0.7; }
}

@keyframes heroFadeIn {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes scrollBounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(8px); }
}

@keyframes pinPulse {
  0%, 100% {
    box-shadow: 0 0 0 6px rgba(214,176,111,0.2), 0 0 0 14px rgba(214,176,111,0.08);
  }
  50% {
    box-shadow: 0 0 0 10px rgba(214,176,111,0.15), 0 0 0 22px rgba(214,176,111,0.05);
  }
}

/* ============================================================
   HEADER / NAV
   ============================================================ */

header {
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  z-index: 100;
}

nav {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  padding: 28px 80px 10px;
  background: rgba(95, 23, 31, 0.97);
  transition: background 0.35s ease, box-shadow 0.35s ease;
  gap: 24px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--gold-soft);
  font-family: "Montserrat", sans-serif;
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.5px;
  line-height: 1.3;
  text-transform: uppercase;
}

.nav-logo .nav-logo-name {
  display: flex;
  flex-direction: column;
  line-height: 1.3;
}

.nav-logo .nav-logo-subtitle {
  font-size: 0.48rem;
  font-weight: 400;
  letter-spacing: 0.5px;
  padding-top: 6px;
}
.nav-logo-img {
  width: 48px;
  height: 48px;
  object-fit: contain;
}

.nav-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 48px;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  text-transform: uppercase;
  font-size: 0.73rem;
  letter-spacing: 3px;
  opacity: 0.92;
  transition: color 0.3s;
  padding-left: 10%;
  font-weight: 500;
}

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

.nav-cta {
  text-transform: uppercase;
  letter-spacing: 2.4px;
  font-size: 0.62rem;
  font-family: "Montserrat", sans-serif;
  color: var(--gold);
  background: transparent;
  border: 1px solid var(--gold);
  padding: 12px 28px;
  cursor: pointer;
  transition: background 0.3s, color 0.3s;
}

.nav-cta:hover {
  background: var(--gold);
  color: var(--red-950);
}

/* ============================================================
   HERO SECTION
   ============================================================ */

#hero {
  width: 100%;
  height: 100vh;
  min-height: 900px;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('assets/img/bg-trang-1.jpg');
  background-size: cover;
  background-position: center bottom;
  background-repeat: no-repeat;
}

/* Diagonal stripe texture */
.hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    -45deg,
    transparent,
    transparent 80px,
    rgba(214,176,111,0.03) 80px,
    rgba(214,176,111,0.03) 81px
  );
}

/* Pulsing ambient orb */
.hero-orb {
  position: absolute;
  top: 15%; right: 10%;
  width: 700px; height: 700px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(214,176,111,0.08) 0%, transparent 65%);
  animation: pulse 6s ease-in-out infinite;
  pointer-events: none;
}

/* Entrance animation */
.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 0 120px;
  animation: heroFadeIn 1.4s ease forwards;
}

.hero-title {
  font-family: "Cormorant Garamond", serif;
  font-weight: 200;
  font-size: clamp(64px, 7vw, 110px);
  line-height: 1.05;
  letter-spacing: 2px;
  color: #fff7ec;
  margin-bottom: 8px;
}

.hero-title strong {
  font-weight: 600;
  background: linear-gradient(180deg, #fff6cc 0%, #f8de95 30%, #edc86d 58%, #c9983f 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: block;
}

.hero-subtitle {
  font-family: "Cormorant Garamond", serif;
  font-size: clamp(18px, 2.2vw, 28px);
  font-weight: 300;
  font-style: italic;
  color: var(--gold-soft);
  opacity: 0.85;
  letter-spacing: 2px;
  margin-bottom: 20px;
}

.hero-tagline {
  font-size: 0.68rem;
  letter-spacing: 5px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 52px;
}

.hero-desc {
  max-width: 560px;
  margin: 0 auto 56px;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text-main);
  opacity: 0.7;
}

/* Shimmer sweep on hover */
.hero-btn {
  font-weight: bold;
  display: inline-block;
  background: var(--gold);
  color: var(--red-950);
  font-family: "Montserrat", sans-serif;
  font-size: 0.68rem;
  letter-spacing: 4px;
  text-transform: uppercase;
  padding: 18px 52px;
  cursor: pointer;
  text-decoration: none;
  position: relative;
  overflow: hidden;
  transition: all 0.4s;
}

.hero-btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.12);
  transform: translateX(-100%);
  transition: transform 0.3s;
}

.hero-btn:hover::after {
  transform: translateX(0);
}

.hero-btn:hover {
  -webkit-box-shadow: 0px 0px 1px 1px var(--gold-soft);
  -moz-box-shadow: 0px 0px 1px 1px var(--gold-soft);
  box-shadow: 0px 0px 3px 3px var(--gold-soft);
}

/* Bouncing scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 4px;
  color: var(--gold-soft);
  text-transform: uppercase;
  animation: scrollBounce 1.5s ease-in-out infinite;
  z-index: 3;
}

.scroll-indicator::before {
  content: '';
  display: block;
  width: 2px; height: 50px;
  background: linear-gradient(to bottom, var(--gold), transparent);
}

/* ============================================================
   SHARED SECTION STYLES
   ============================================================ */

section {
  padding: 120px 80px;
}

.section-label {
  display: block;
  font-size: 0.78rem;
  letter-spacing: 6px;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 25px;
}

.section-title {
  font-family: "Cormorant Garamond", serif;
  font-size: clamp(36px, 4vw, 60px);
  font-weight: 300;
  line-height: 1.15;
  color: #faf8f3;
  margin-bottom: 16px;
}

.section-title strong {
  color: var(--gold-strong);
  font-weight: 600;
}

.section-body {
  font-size: 1rem;
  line-height: 1.85;
  color: var(--text-main);
  opacity: 0.7;
  max-width: 640px;
}

/* Gold divider diamond */
.gold-divider {
  display: flex;
  align-items: center;
  gap: 24px;
  margin: 0 auto 64px;
  width: 30%;
}

.gold-divider::before,
.gold-divider::after {
  content: '';
  display: block;
  width: 80px; height: 1px;
  background: var(--gold);
  opacity: 0.4;
  flex: 1;
  height: 1.8px;
}

.gold-divider-diamond {
  width: 8px; height: 8px;
  background-color: var(--gold);
  border: 5px solid var(--gold);
  transform: rotate(45deg);
}

/* ============================================================
   LOCATION SECTION
   ============================================================ */

#location {
  background: var(--red-800);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 120px;
  align-items: center;
}

.location-visual {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.location-map-box {
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 320px;
}

.location-map-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Grid overlay */
.location-map-box::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(214,176,111,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(214,176,111,0.06) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: 1;
}

/* Hover glow on stat cells */
.location-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
  width: 100%;
}

.location-stat {
  background: rgba(197, 146, 58, 0.192);
  border: 1px solid rgba(245, 243, 155, 0.692);
  padding: 28px 24px;
  transition: background 0.3s;
}

.location-stat:hover {
  background: rgba(214,176,111,0.1);
}

.location-stat-num {
  font-family: "Cormorant Garamond", serif;
  font-size: 36px;
  font-weight: 300;
  color: var(--gold);
  line-height: 1;
}

.location-stat-label {
  font-size: 0.6rem;
  letter-spacing: 2px;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-top: 6px;
}

.location-text {
  text-align: left;
}

.location-text .section-label {
  text-align: left;
  font-size: 0.48rem;
  letter-spacing: 2px;
  word-spacing: 6px;
}

.location-text .gold-divider {
  justify-content: flex-start;
  margin-left: 0;
  width: 70%;
  
}

.location-text .gold-divider::before {
  display: none;
}

.location-text .gold-divider::after {
  flex: 1;
  height: 3px; /* dày 10px */
  background: linear-gradient(to right, var(--gold), transparent); /* mờ dần từ trái sang phải */
  opacity: 1; /* bỏ opacity cũ */
}

.location-text .section-body{
  margin-bottom: 5%;
}
/* ============================================================
   HIGHLIGHTS SECTION
   ============================================================ */

#highlights {
  background: var(--red-900);
  text-align: center;
  padding: 120px 80px;
}

.highlights-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
  margin-top: 80px;
}

/* Lift + top-bar reveal on hover */
.highlight-card {
  background: #63603e44;
  border: 2px solid rgba(241, 193, 110, 0.726);
  padding: 52px 40px;
  position: relative;
  overflow: hidden;
  transition: all 0.4s;
}

.highlight-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  opacity: 0;
  transition: opacity 0.4s;
}

.highlight-card:hover {
  border: var(--gold);
  transform: translateY(-40px);
}

.highlight-card:hover::before {
  opacity: 1;
}

.highlight-icon {
  width: 40px; height: 1px;
  background: var(--gold);
  opacity: 0.3;
  margin: 0 auto 32px;
}

.highlight-num {
  font-family: "Cormorant Garamond", serif;
  font-size: 72px;
  font-weight: 300;
  color: var(--gold);
  line-height: 1;
  margin-bottom: 4px;
}

.highlight-unit {
  font-size: 0.68rem;
  letter-spacing: 3px;
  color: var(--gold-soft);
  opacity: 0.6;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.highlight-desc {
  font-size: 0.8rem;
  line-height: 1.7;
  color: var(--text-muted);
}

/* ============================================================
   DISTRICTS SECTION
   ============================================================ */

#districts {
  background: var(--red-800);
  padding: 120px 80px;
}

.districts-header {
  text-align: center;
  margin-bottom: 80px;
}

.districts-header .gold-divider {
  margin: 0 auto 0;
}

.districts-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

/* Border reveal + zoom on hover */
.district-card {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(214,176,111,0.1);
  transition: all 0.5s;
}

.district-card:hover {
  border-color: rgba(214,176,111,0.5);
}

.district-bg {
  height: 360px;
  position: relative;
  overflow: hidden;
}

.district-bg-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s ease;
}

.district-card:hover .district-bg-img {
  transform: scale(1.05);
}

/* Double-ring deco */
.district-circle {
  width: 200px; height: 200px;
  border-radius: 50%;
  border: 1px solid var(--gold);
  position: relative;
}


.district-flag {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 8px 20px;
  font-size: 0.54rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--gold-strong);
  text-align: center;
  z-index: 10;            
  position: absolute;
}

.d1 .district-flag { background-color: rgba(146, 66, 66, 0.45); }
.d2 .district-flag { background-color: rgba(66, 100, 66, 0.45); }
.d3 .district-flag { background-color: rgba(138, 100, 189, 0.45); }
.d4 .district-flag { background-color: rgba(100, 80, 50, 0.45); }

.district-info {
  padding: 32px 28px;
  background: #12080a;
}

.district-name {
  font-family: "Cormorant Garamond", serif;
  font-size: 2.08rem;
  font-weight: 300;
  color: #faf8f3;
  margin-bottom: 0px;
  justify-self:center
}


/* ============================================================
   ECOSYSTEM SECTION
   ============================================================ */

.ecosystem {
  background: var(--red-900);
  text-align: center;
  padding: 120px 80px 80px;
}

.ecosystem .section-label,
.ecosystem .section-title {
  text-align: center;
}

.ecosystem .gold-divider {
  margin: 0 auto 40px;
}

.ecosystem .section-body {
  text-align: center;
  margin: 0 auto;
  max-width: 600px;
}

/* ============================================================
   AMENITIES SECTION
   ============================================================ */

#amenities {
  background: var(--panel-dark);
  padding: 80px 80px 120px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: auto 1fr;
  gap: 0 80px;
  align-items: start;
}

#amenities > div:first-child {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}
#amenities > div:nth-child(2) {
  grid-column: 1;
}

#amenities .main-title {
  grid-column: 1 / -1;
  margin-bottom: 48px;
  text-align: center;
}

#amenities .main-title .amenities-card-body {
  margin: 0 auto;          
}

.amenities-visual {
  grid-column: 2;
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: relative;
}

.amenities-photo {
  width: 70%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
  border: 1px solid rgba(214,176,111,0.12);
  margin: 0 auto;
}

.amenities-photo-caption {
  font-size: 0.82rem;
  line-height: 1.75;
  color: var(--text-muted);
  text-align: center;
  width: 75%;
  margin: 0 auto;
}

#amenities > div:first-child .gold-divider {
  justify-content: flex-start;
  margin-left: 0;
}

#amenities > div:first-child .gold-divider::before {
  display: none;
}

.amenities-list {
  margin-bottom: 10px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  width: 80%;
  margin-left: 10% ;
}

/* Slide indent + icon expand on hover */
.amenity-item {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 24px 24px;
  border: 1px solid rgba(214,176,111,0.07);
  background: #271b1da9;
  transition: all 0.3s;
  cursor: default;
}

.amenity-item:hover {
  background: rgba(214,176,111,0.06);
  border-color: rgba(214,176,111,0.25);
  padding-left: 36px;
}

.amenity-icon {
  width: 32px; height: 1px;
  background: var(--gold);
  opacity: 0.5;
  flex-shrink: 0;
  transition: width 0.3s, opacity 0.3s;
}

.amenity-item:hover .amenity-icon {
  width: 48px;
  opacity: 1;
}

.amenity-name {
  font-size: 0.82rem;
  letter-spacing: 1px;
  color: var(--text-main);
  flex: 1;
}

.amenity-sub {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.amenities-visual {
  position: relative;
}

/* Ghost number overlay */
.amenities-big-num {
  font-family: "Cormorant Garamond", serif;
  font-size: 220px;
  font-weight: 300;
  color: rgba(214,176,111,0.05);
  line-height: 1;
  position: absolute;
  top: -40px; right: -20px;
  z-index: 0;
  pointer-events: none;
}

.amenities-card {
  position: relative;
  z-index: 1;
  background: #12080a;
  border: 1px solid rgba(214,176,111,0.12);
  padding: 60px;
}

.amenities-card-title {
  font-family: "Cormorant Garamond", serif;
  font-size: clamp(32px, 3.5vw, 52px);
  font-weight: 300;
  color: #faf8f3;
  margin-bottom: 12px;
  line-height: 1.2;
}

.amenities-card-title em {
  color: var(--gold-strong);
  font-style: italic;
}

.amenities-card-body {
  font-size: 0.85rem;
  line-height: 1.85;
  color: var(--text-muted);
  max-width: 720px;
}

.amenities-card-stat {
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid rgba(214,176,111,0.15);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.acs-num {
  font-family: "Cormorant Garamond", serif;
  font-size: 48px;
  font-weight: 300;
  color: var(--gold);
}

.acs-label {
  font-size: 0.6rem;
  letter-spacing: 2px;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-top: 4px;
}

/* ============================================================
   PHILOSOPHY SECTION
   ============================================================ */

#philosophy {
  background: var(--red-800);
  text-align: center;
  padding: 140px 80px;
  position: relative;
  overflow: hidden;
}

/* Large watermark */
#philosophy::before {
  content: 'RETREAT\A METROPOLIS';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  font-family: "Cormorant Garamond", serif;
  font-size: 200px;
  font-weight: 300;
  line-height: 1;
  color: rgba(214,176,111,0.025);
  white-space: pre;
  pointer-events: none;
  letter-spacing: 8px;
}

.philosophy-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  margin: 0 auto;
}

.philosophy-quote {
  font-family: "Cormorant Garamond", serif;
  font-size: clamp(28px, 3.5vw, 52px);
  font-weight: 300;
  font-style: italic;
  line-height: 1.4;
  color: #faf8f3;
  margin: 32px 0 40px;
}

.philosophy-quote em {
  color: var(--gold-strong);
}

.philosophy-body {
  font-size: 1rem;
  line-height: 1.9;
  color: var(--text-muted);
  max-width: 720px;
  margin: 0 auto;
}

.philosophy-pillars {
  display: flex;
  justify-content: center;
  gap: 80px;
  margin-top: 72px;
}

.pillar {
  text-align: center;
}

.pillar-line {
  width: 1px; height: 60px;
  background: linear-gradient(to bottom, var(--gold), transparent);
  margin: 0 auto 20px;
  animation: scrollBounce 2.0s ease-in-out infinite;
}

.pillar-text {
  font-size: 0.68rem;
  letter-spacing: 3px;
  color: var(--text-muted);
  text-transform: uppercase;
}


/* ============================================================
   CTA SECTION
   ============================================================ */

#cta {
  background-color: var(--red-700);
  background-image: url('assets/img/bg-trang-cuoi.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  text-align: center;
  padding: 140px 80px;
  position: relative;
  overflow: hidden;
}

/* Dark overlay for CTA readability */
#cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(30, 5, 8, 0.45);
  pointer-events: none;
  z-index: 0;
}

#cta > * {
  position: relative;
  z-index: 1;
}

.cta-content {
  position: relative;
  z-index: 1;
}

.cta-title {
  font-family: "Cormorant Garamond", serif;
  font-size: clamp(36px, 5vw, 72px);
  font-weight: 300;
  color: #faf8f3;
  line-height: 1.15;
  margin-bottom: 24px;
}

.cta-title em {
  color: var(--gold-strong);
  font-weight: 100;
}

.cta-body {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto 56px;
}

.cta-actions {
  display: flex;
  gap: 20px;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
}

.btn-primary {
  background: var(--gold);
  color: var(--red-950);
  font-family: "Montserrat", sans-serif;
  font-weight: 400;
  font-size: 0.68rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 20px 60px;
  border: none;
  cursor: pointer;
  transition: all 0.3s;
  text-decoration: none;
  display: inline-block;
}

.btn-primary:hover {
  background: var(--gold-soft);
  -webkit-box-shadow: 0px 0px 1px 1px var(--gold-soft);
  -moz-box-shadow: 0px 0px 1px 1px var(--gold-soft);
  box-shadow: 0px 0px 3px 3px var(--gold-soft);
}

.btn-outline {
  background: transparent;
  color: var(--gold);
  font-family: "Montserrat", sans-serif;
  font-size: 0.68rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 9px 60px;
  border: 1px solid var(--gold);
  cursor: pointer;
  transition: all 0.3s;
  text-decoration: none;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  line-height: 1.5;
  box-sizing: border-box;
}

.btn-outline .btn-sub {
  font-size: 0.6rem;
  letter-spacing: 1px;
  text-transform: none;
  color: rgba(255,255,255,0.8);
  font-weight: 400;
  margin-top: 2px;
}

.btn-outline:hover {
  background: rgba(214,176,111,0.1);
}

/* ============================================================
   FOOTER
   ============================================================ */

footer {
  background: var(--red-950);
  padding: 60px 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid rgba(214,176,111,0.1);
}

.footer-logo {
  font-family: "Cormorant Garamond", serif;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 3px;
  color: var(--gold);
  text-transform: uppercase;
}

.footer-logo span {
  display: block;
  font-size: 0.55rem;
  font-weight: 300;
  letter-spacing: 5px;
  color: var(--text-muted);
  font-family: "Montserrat", sans-serif;
  margin-top: 4px;
}

.footer-tagline {
  font-family: "Cormorant Garamond", serif;
  font-size: 0.88rem;
  font-style: italic;
  color: var(--text-muted);
  letter-spacing: 1px;
}

.footer-note {
  font-size: 0.6rem;
  letter-spacing: 1px;
  color: var(--text-muted);
  opacity: 0.5;
}

/* ============================================================
   REVEAL ANIMATIONS
   ============================================================ */

.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.35s; }
.reveal-delay-4 { transition-delay: 0.5s; }


/* ============================================================
   AMENITIES SLIDER
   ============================================================ */

.amenities-slider {
  position: relative;
  width: 70%;       /* khớp với width: 70% của .amenities-photo gốc */
  margin: 0 auto;
  aspect-ratio: 4 / 3;  /* cố định tỉ lệ khung */
  overflow: hidden;
  border: 1px solid rgba(214,176,111,0.12);
}

.slider-track {
  display: flex;
  height: 100%;
  transition: transform 0.6s cubic-bezier(0.77, 0, 0.175, 1);
  will-change: transform;
}

.slide {
  min-width: 100%;
  height: 100%;
  flex-shrink: 0;
}

.slide .amenities-photo {
  width: 100%;
  height: 100%;
  aspect-ratio: unset;  /* bỏ để khung slider kiểm soát */
  object-fit: cover;
  display: block;
  border: none;         /* border đã ở .amenities-slider */
  margin: 0;
}

.slider-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(10,8,8,0.55);
  border: 1px solid rgba(214,176,111,0.35);
  color: var(--gold);
  font-size: 1.1rem;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.3s, border-color 0.3s;
  z-index: 10;
  padding: 0;
  line-height: 1;
}

.slider-btn:hover {
  background: rgba(214,176,111,0.18);
  border-color: var(--gold);
}

.slider-prev { left: 12px; }
.slider-next { right: 12px; }

.slider-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 14px;
}

.dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(214,176,111,0.25);
  border: 1px solid rgba(214,176,111,0.4);
  cursor: pointer;
  transition: background 0.3s, transform 0.3s;
}

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

/* ============================================================
   RESPONSIVE
   ============================================================ */

/* ── Tablet landscape: 1024px → 1280px ─────────────────────── */
@media (max-width: 1280px) {
  nav {
    padding: 22px 48px 10px;
  }

  section {
    padding: 100px 60px;
  }

  #highlights {
    padding: 100px 60px;
  }

  #location {
    gap: 72px;
    padding: 100px 60px;
  }

  #districts {
    padding: 100px 60px;
  }

  .districts-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
  }

  #amenities {
    padding: 80px 60px 100px;
    gap: 0 60px;
  }

  .amenities-list {
    width: 90%;
    margin-left: 5%;
  }

  .highlights-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  #philosophy {
    padding: 120px 60px;
  }

  #cta {
    padding: 120px 60px;
  }

  footer {
    padding: 60px 60px;
  }
}

/* ── Tablet portrait: 768px → 1024px ───────────────────────── */
@media (max-width: 1024px) {
  nav {
    padding: 18px 36px 10px;
    grid-template-columns: auto 1fr auto;
  }

  .nav-links {
    gap: 28px;
  }

  .nav-links a {
    padding-left: 0;
    font-size: 0.66rem;
    letter-spacing: 2px;
  }

  section {
    padding: 88px 40px;
  }

  #hero {
    min-height: 700px;
  }

  .hero-content {
    padding: 0 48px;
  }

  #location {
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    padding: 88px 40px;
  }

  .location-map-box {
    min-height: 260px;
  }

  .location-stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .location-stat {
    padding: 20px 16px;
  }

  #highlights {
    padding: 88px 40px;
  }

  .highlights-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2px;
    margin-top: 56px;
  }

  #districts {
    padding: 88px 40px;
  }

  .districts-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .district-bg {
    height: 280px;
  }

  .ecosystem {
    padding: 88px 40px 60px;
  }

  #amenities {
    padding: 72px 40px 88px;
    grid-template-columns: 1fr;
    gap: 48px;
  }

  #amenities .main-title {
    grid-column: 1;
  }

  .amenities-visual {
    grid-column: 1;
  }

  .amenities-list {
    width: 100%;
    margin-left: 0;
  }

  .amenities-photo {
    width: 60%;
  }

  #philosophy {
    padding: 100px 40px;
  }

  #philosophy::before {
    font-size: 120px;
  }

  #cta {
    padding: 100px 40px;
  }

  footer {
    padding: 48px 40px;
  }
}

/* ── Mobile landscape / large phones: 640px → 768px ─────────── */
@media (max-width: 768px) {
  nav {
    padding: 16px 24px;
    grid-template-columns: auto 1fr auto;
  }

  .nav-links {
    display: none;
  }

  section {
    padding: 72px 24px;
  }

  #hero {
    min-height: 600px;
  }

  .hero-content {
    padding: 0 28px;
  }

  .hero-tagline {
    margin-bottom: 32px;
  }

  .hero-desc {
    margin-bottom: 40px;
  }

  #location {
    grid-template-columns: 1fr;
    gap: 0;
    padding: 72px 24px;
  }

  .location-visual {
    order: 1;
  }

  .location-text {
    order: 2;
    padding-top: 40px;
  }

  .location-map-box {
    min-height: 260px;
  }

  .location-stats {
    grid-template-columns: repeat(4, 1fr);
  }

  .location-stat {
    padding: 18px 12px;
  }

  .location-stat-num {
    font-size: 28px;
  }

  .location-text .gold-divider {
    width: 50%;
  }

  #highlights {
    padding: 72px 24px;
  }

  .highlights-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2px;
    margin-top: 48px;
  }

  .highlight-card {
    padding: 40px 28px;
  }

  .highlight-card:hover {
    transform: translateY(-16px);
  }

  #districts {
    padding: 72px 24px;
  }

  .districts-header {
    margin-bottom: 48px;
  }

  .districts-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .district-bg {
    height: 220px;
  }

  .ecosystem {
    padding: 72px 24px 48px;
  }

  #amenities {
    padding: 60px 24px 72px;
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .amenities-list {
    width: 100%;
    margin-left: 0;
    margin-top: 32px;
  }

  .amenities-photo {
    width: 80%;
  }

  #philosophy {
    padding: 80px 24px;
  }

  #philosophy::before {
    font-size: 80px;
    letter-spacing: 4px;
  }

  .philosophy-pillars {
    gap: 48px;
  }

  #cta {
    padding: 80px 24px;
  }

  .cta-actions {
    gap: 14px;
  }

  .btn-primary,
  .btn-outline {
    padding: 18px 40px;
  }

  footer {
    padding: 40px 24px;
    flex-direction: column;
    gap: 18px;
    text-align: center;
  }
}

/* ── Mobile portrait: up to 640px ───────────────────────────── */
@media (max-width: 640px) {
  nav {
    padding: 14px 18px;
  }

  .nav-cta {
    display: none;
  }

  .nav-logo-img {
    width: 38px;
    height: 38px;
  }

  section {
    padding: 64px 18px;
  }

  #hero {
    min-height: 100svh;
  }

  .hero-content {
    padding: 0 18px;
  }

  .hero-title {
    font-size: clamp(38px, 11vw, 64px);
  }

  .hero-subtitle {
    font-size: clamp(15px, 4vw, 20px);
  }

  .hero-tagline {
    font-size: 0.6rem;
    letter-spacing: 3px;
    margin-bottom: 24px;
  }

  .hero-desc {
    font-size: 0.9rem;
    margin-bottom: 36px;
  }

  .hero-btn {
    padding: 16px 36px;
    font-size: 0.62rem;
    letter-spacing: 3px;
  }

  .scroll-indicator {
    bottom: 28px;
  }

  #location {
    padding: 64px 18px;
  }

  .location-text {
    padding-top: 32px;
  }

  .location-map-box {
    min-height: 220px;
  }

  .location-stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .location-stat {
    padding: 18px 14px;
  }

  .location-stat-num {
    font-size: 26px;
  }

  .location-stat-label {
    font-size: 0.55rem;
  }

  .location-text .gold-divider {
    width: 70%;
  }

  .location-text .section-label {
    font-size: 0.55rem;
  }

  #highlights {
    padding: 64px 18px;
  }

  .highlights-grid {
    grid-template-columns: 1fr;
    gap: 2px;
    margin-top: 40px;
  }

  .highlight-card {
    padding: 36px 28px;
  }

  .highlight-card:hover {
    transform: none;
  }

  .highlight-num {
    font-size: 56px;
  }

  #districts {
    padding: 64px 18px;
  }

  .districts-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .district-bg {
    height: 240px;
  }

  .district-name {
    font-size: 1.75rem;
  }

  .ecosystem {
    padding: 64px 18px 40px;
  }

  #amenities {
    padding: 56px 18px 64px;
    gap: 32px;
  }

  .amenities-card-title {
    font-size: clamp(26px, 7vw, 40px);
  }

  .amenity-item {
    padding: 16px 18px;
  }

  .amenity-item:hover {
    padding-left: 28px;
  }

  .amenities-list {
    margin-top: 24px;
  }

  .amenities-photo {
    width: 95%;
  }

  .amenities-photo-caption {
    width: 95%;
    font-size: 0.78rem;
  }

  #philosophy {
    padding: 64px 18px;
  }

  #philosophy::before {
    font-size: 52px;
    letter-spacing: 2px;
  }

  .philosophy-quote {
    font-size: clamp(22px, 6vw, 36px);
    margin: 24px 0 28px;
  }

  .philosophy-body {
    font-size: 0.92rem;
  }

  .philosophy-pillars {
    gap: 28px;
    margin-top: 48px;
  }

  .pillar-text {
    font-size: 0.6rem;
    letter-spacing: 2px;
  }

  #cta {
    padding: 64px 18px;
  }

  .cta-title {
    font-size: clamp(28px, 8vw, 52px);
  }

  .cta-body {
    font-size: 0.9rem;
    margin-bottom: 40px;
  }

  .cta-actions {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }

  .btn-primary,
  .btn-outline {
    padding: 18px 24px;
    text-align: center;
    font-size: 0.7rem;
  }

  footer {
    padding: 36px 18px;
    gap: 14px;
  }

  .footer-logo {
    font-size: 15px;
  }

  .gold-divider {
    width: 60%;
  }
}

/* ── Very small phones: up to 380px ─────────────────────────── */
@media (max-width: 380px) {
  .hero-title {
    font-size: clamp(32px, 12vw, 52px);
  }

  .nav-logo {
    font-size: 0.7rem;
  }

  .location-stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .highlight-num {
    font-size: 48px;
  }

  .philosophy-pillars {
    gap: 18px;
  }
}