/* ============================================================
   HỒ GƯƠM XANH – Main Stylesheet
   Màu chủ đạo: Navy #1A3A5C | Vàng đồng #C9A84C
   ============================================================ */

/* ── 1. CSS Variables ─────────────────────────────────────── */
:root {
  --primary: #1A3A5C;
  --primary-light: #234B78;
  --primary-dark: #0F2235;
  --secondary: #C9A84C;
  --secondary-light: #D4B86A;
  --secondary-dark: #A8893A;

  --white: #FFFFFF;
  --gray-50: #F9FAFB;
  --gray-100: #F3F4F6;
  --gray-200: #E5E7EB;
  --gray-300: #D1D5DB;
  --gray-500: #6B7280;
  --gray-700: #374151;
  --gray-900: #111827;

  --font: 'Be Vietnam Pro', sans-serif;

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, .08);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, .12);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, .16);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, .20);

  --trans-fast: .2s ease;
  --trans-normal: .3s ease;
  --trans-slow: .5s ease;

  --z-fixed: 1000;
  --z-overlay: 900;
  --z-modal: 1100;
}

/* ── 2. Reset ─────────────────────────────────────────────── */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font);
  color: var(--gray-900);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--trans-fast);
}

ul,
ol {
  list-style: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: var(--font);
}

input,
textarea,
select {
  font-family: var(--font);
  font-size: 1rem;
}

/* ── 3. Typography ────────────────────────────────────────── */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--primary);
}

h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
}

h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.5rem);
}

h3 {
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
}

h4 {
  font-size: clamp(1rem, 2vw, 1.2rem);
}

p {
  line-height: 1.75;
  color: var(--gray-700);
}

.text-gold {
  color: var(--secondary);
}

.text-white {
  color: var(--white);
}

.text-primary {
  color: var(--primary);
}

.text-center {
  text-align: center;
}

/* ── 4. Layout ────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px;
}

.section {
  padding: 80px 0;
}

.section-sm {
  padding: 50px 0;
}

/* ── 5. Section Header ────────────────────────────────────── */
.section-header {
  text-align: center;
  margin-bottom: 50px;
}

.section-label {
  display: inline-block;
  color: var(--secondary);
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.section-label::before,
.section-label::after {
  content: '─';
  margin: 0 8px;
  opacity: .45;
}

.section-title {
  color: var(--primary);
  margin-bottom: 12px;
}

.section-desc {
  max-width: 620px;
  margin: 0 auto;
  color: var(--gray-500);
  font-size: 1.05rem;
}

.divider {
  width: 56px;
  height: 3px;
  background: linear-gradient(to right, var(--secondary), var(--secondary-light));
  margin: 14px auto 0;
  border-radius: 2px;
}

/* ── 6. Buttons ───────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 30px;
  border-radius: var(--radius-sm);
  font-size: .9rem;
  font-weight: 600;
  letter-spacing: .4px;
  transition: all var(--trans-normal);
  cursor: pointer;
}

.btn-primary {
  background: var(--secondary);
  color: var(--primary);
  border: 2px solid var(--secondary);
}

.btn-primary:hover {
  background: var(--secondary-dark);
  border-color: var(--secondary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(201, 168, 76, .4);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255, 255, 255, .7);
}

.btn-outline:hover {
  background: var(--white);
  color: var(--primary);
  transform: translateY(-2px);
}

.btn-outline-primary {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}

.btn-outline-primary:hover {
  background: var(--primary);
  color: var(--white);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 8px 20px;
  font-size: .82rem;
}

.btn-lg {
  padding: 16px 40px;
  font-size: 1.05rem;
}

/* ── 7. Navigation ────────────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-fixed);
  padding: 18px 0;
  transition: all var(--trans-normal);
}

.navbar.transparent {
  background: transparent;
}

.navbar.scrolled {
  background: var(--primary-dark);
  padding: 10px 0;
  box-shadow: var(--shadow-lg);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Logo */
.nav-logo {
  display: flex;
  align-items: center;
  gap: 11px;
}

.nav-logo-img {
  width: 44px;
  height: 44px;
  object-fit: contain;
  border-radius: 50%;
  background: rgba(255, 255, 255, .1);
  padding: 2px;
  flex-shrink: 0;
}

.nav-logo-icon {
  width: 42px;
  height: 42px;
  background: var(--secondary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: var(--primary);
  font-weight: 900;
}

.nav-logo-name {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--white);
  display: block;
  line-height: 1;
}

.nav-logo-sub {
  font-size: .65rem;
  color: var(--secondary);
  letter-spacing: 2px;
  text-transform: uppercase;
}

/* Menu */
.nav-menu {
  display: flex;
  align-items: center;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 8px 15px;
  color: rgba(255, 255, 255, .88);
  font-size: .875rem;
  font-weight: 500;
  transition: color var(--trans-fast);
  cursor: pointer;
}

.nav-link:hover,
.nav-link.active {
  color: var(--secondary);
}

.nav-link .fa-chevron-down {
  font-size: .6rem;
  transition: transform var(--trans-fast);
}

.nav-item:hover .fa-chevron-down {
  transform: rotate(180deg);
}

/* Dropdown */
.dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  background: var(--white);
  min-width: 210px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  border-top: 3px solid var(--secondary);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--trans-normal);
}

.nav-item:hover .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-item a {
  display: block;
  padding: 10px 20px;
  color: var(--gray-700);
  font-size: .855rem;
  transition: all var(--trans-fast);
}

.dropdown-item a:hover {
  color: var(--secondary);
  background: var(--gray-50);
  padding-left: 25px;
}

/* Hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
  cursor: pointer;
}

.hamburger-line {
  width: 23px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all var(--trans-normal);
}

/* Mobile nav drawer */
.nav-mobile {
  display: block;
  position: fixed;
  top: 0;
  right: 0;
  width: 290px;
  height: 100vh;
  background: var(--primary-dark);
  z-index: var(--z-modal);
  padding: 72px 28px 28px;
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform var(--trans-normal);
}

.nav-mobile.open {
  transform: translateX(0);
}

.nav-mobile-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, .55);
  z-index: calc(var(--z-modal) - 1);
}

.nav-mobile-overlay.show {
  display: block;
}

.nav-mobile-close {
  position: absolute;
  top: 18px;
  right: 18px;
  color: var(--white);
  font-size: 1.4rem;
  cursor: pointer;
}

.nav-mobile-item {
  border-bottom: 1px solid rgba(255, 255, 255, .1);
}

.nav-mobile-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 13px 0;
  color: var(--white);
  font-size: .9rem;
  font-weight: 500;
  cursor: pointer;
}

.nav-mobile-link:hover {
  color: var(--secondary);
}

.nav-mobile-sub {
  padding: 0 0 6px 14px;
  display: none;
}

.nav-mobile-sub.open {
  display: block;
}

.nav-mobile-sub a {
  display: block;
  padding: 7px 0;
  color: rgba(255, 255, 255, .65);
  font-size: .845rem;
}

.nav-mobile-sub a:hover {
  color: var(--secondary);
}

/* ── 8. Hero ──────────────────────────────────────────────── */
.hero {
  position: relative;
  height: 100vh;
  min-height: 580px;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg video,
.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(10, 24, 38, .78) 0%, rgba(26, 58, 92, .5) 55%, rgba(10, 24, 38, .7) 100%);
}

.hero-overlay-glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 15% 55%, rgba(201, 168, 76, .12) 0%, transparent 65%);
}

.hero-content {
  position: relative;
  z-index: 2;
  width: 100%;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: rgba(201, 168, 76, .13);
  border: 1px solid rgba(201, 168, 76, .4);
  border-radius: 50px;
  padding: 5px 16px;
  color: var(--secondary);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 22px;
}

.hero-title {
  font-size: clamp(2.4rem, 6vw, 5rem);
  color: var(--white);
  line-height: 1.05;
  margin-bottom: 12px;
  font-weight: 800;
  letter-spacing: -1px;
  text-transform: uppercase;
  text-shadow: 0 2px 30px rgba(0, 0, 0, .35), 0 0 80px rgba(201, 168, 76, .12);
  position: relative;
}

.hero-title span {
  display: inline;
  background: linear-gradient(135deg,
      #e8d48b 0%,
      #c9a84c 18%,
      #f5e6a3 38%,
      #c9a84c 56%,
      #a8893a 74%,
      #d4b86a 88%,
      #e8d48b 100%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: heroGoldShimmer 4s ease-in-out infinite;
  filter: drop-shadow(0 2px 6px rgba(201, 168, 76, .3));
  font-weight: 900;
  letter-spacing: 1px;
}

@keyframes heroGoldShimmer {
  0% {
    background-position: 0% center;
  }

  50% {
    background-position: 100% center;
  }

  100% {
    background-position: 0% center;
  }
}

.hero-tagline {
  font-size: clamp(.95rem, 2vw, 1.25rem);
  color: rgba(255, 255, 255, .82);
  font-style: italic;
  margin-bottom: 14px;
}

.hero-divider {
  width: 70px;
  height: 3px;
  background: linear-gradient(to right, var(--secondary), transparent);
  margin-bottom: 22px;
}

.hero-desc {
  font-size: .975rem;
  color: rgba(255, 255, 255, .72);
  max-width: 530px;
  margin-bottom: 36px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.hero-scroll {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  color: rgba(255, 255, 255, .6);
  font-size: .7rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  animation: heroScroll 2.2s infinite;
}

.hero-scroll i {
  font-size: 1.3rem;
}

@keyframes heroScroll {

  0%,
  100% {
    transform: translateX(-50%) translateY(0);
  }

  50% {
    transform: translateX(-50%) translateY(-10px);
  }
}

/* ── 9. Stats ─────────────────────────────────────────────── */
.stats-section {
  background: var(--primary);
  padding: 60px 0;
}

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

.stat-item {
  text-align: center;
  padding: 28px 18px;
  border-right: 1px solid rgba(255, 255, 255, .14);
}

.stat-item:last-child {
  border-right: none;
}

.stat-icon {
  width: 48px;
  height: 48px;
  background: rgba(201, 168, 76, .13);
  border: 1px solid rgba(201, 168, 76, .3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 14px;
  color: var(--secondary);
  font-size: 1.1rem;
}

.stat-number {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 800;
  color: var(--secondary);
  line-height: 1;
  margin-bottom: 7px;
}

.stat-label {
  color: rgba(255, 255, 255, .8);
  font-size: .87rem;
  font-weight: 500;
}

/* ── 10. About / Split ────────────────────────────────────── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}

.about-image-wrap {
  position: relative;
}

.about-image-main {
  width: 100%;
  height: 500px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
}

.about-image-accent {
  position: absolute;
  bottom: -28px;
  right: -28px;
  width: 190px;
  height: 140px;
  object-fit: cover;
  border-radius: var(--radius-md);
  border: 5px solid var(--white);
  box-shadow: var(--shadow-lg);
}

.about-badge {
  position: absolute;
  top: 26px;
  left: -18px;
  background: var(--secondary);
  color: var(--primary);
  padding: 14px 20px;
  border-radius: var(--radius-md);
  text-align: center;
  box-shadow: var(--shadow-md);
}

.about-badge-num {
  font-size: 1.9rem;
  font-weight: 800;
  line-height: 1;
}

.about-badge-text {
  font-size: .7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.about-features {
  margin: 22px 0 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.about-feature {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.about-feature-icon {
  width: 34px;
  height: 34px;
  flex-shrink: 0;
  background: rgba(201, 168, 76, .1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--secondary);
  font-size: .85rem;
  margin-top: 2px;
}

.about-feature-text h4 {
  font-size: .9rem;
  color: var(--primary);
  margin-bottom: 1px;
}

.about-feature-text p {
  font-size: .83rem;
  color: var(--gray-500);
  margin: 0;
}

/* ── 11. Project Cards ────────────────────────────────────── */
.projects-section {
  background: var(--gray-50);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}

.project-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--trans-normal);
  cursor: pointer;
}

.project-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.project-card-image {
  position: relative;
  height: 230px;
  overflow: hidden;
}

.project-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--trans-slow);
}

.project-card:hover .project-card-image img {
  transform: scale(1.05);
}

.project-card-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  background: var(--secondary);
  color: var(--primary);
  padding: 4px 12px;
  border-radius: 50px;
  font-size: .72rem;
  font-weight: 700;
}

.project-card-badge.coming {
  background: var(--gray-500);
  color: var(--white);
}

.project-card-body {
  padding: 22px;
}

.project-card-name {
  font-size: 1.1rem;
  color: var(--primary);
  margin-bottom: 6px;
}

.project-card-desc {
  font-size: .84rem;
  color: var(--gray-500);
  margin-bottom: 14px;
}

.project-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-bottom: 18px;
}

.meta-tag {
  display: flex;
  align-items: center;
  gap: 4px;
  background: var(--gray-100);
  padding: 4px 10px;
  border-radius: 50px;
  font-size: .76rem;
  color: var(--gray-700);
}

.meta-tag i {
  color: var(--secondary);
  font-size: .68rem;
}

.project-card-footer {
  border-top: 1px solid var(--gray-200);
  padding-top: 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.project-card-footer a {
  color: var(--primary);
  font-size: .84rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 5px;
  transition: gap var(--trans-fast);
}

.project-card-footer a:hover {
  gap: 10px;
  color: var(--secondary);
}

/* ── 12. Amenities ────────────────────────────────────────── */
.amenities-section {
  background: var(--primary);
  position: relative;
  overflow: hidden;
}

.amenities-section::before {
  content: '';
  position: absolute;
  top: -80px;
  right: -80px;
  width: 460px;
  height: 460px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201, 168, 76, .07) 0%, transparent 70%);
}

.amenities-section .section-title {
  color: var(--white);
}

.amenities-section .section-desc {
  color: rgba(255, 255, 255, .68);
}

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

.amenity-item {
  text-align: center;
  padding: 30px 18px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, .05);
  border: 1px solid rgba(255, 255, 255, .1);
  transition: all var(--trans-normal);
}

.amenity-item:hover {
  background: rgba(201, 168, 76, .1);
  border-color: rgba(201, 168, 76, .3);
  transform: translateY(-6px);
}

.amenity-icon {
  width: 62px;
  height: 62px;
  background: rgba(201, 168, 76, .14);
  border: 2px solid rgba(201, 168, 76, .3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 14px;
  color: var(--secondary);
  font-size: 1.4rem;
  transition: all var(--trans-normal);
}

.amenity-item:hover .amenity-icon {
  background: var(--secondary);
  color: var(--primary);
  border-color: var(--secondary);
}

.amenity-name {
  color: var(--white);
  font-size: .92rem;
  font-weight: 600;
  margin-bottom: 7px;
}

.amenity-desc {
  color: rgba(255, 255, 255, .58);
  font-size: .8rem;
  line-height: 1.5;
  margin: 0;
}

/* ── 13. Location ─────────────────────────────────────────── */
.location-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 55px;
  align-items: start;
}

.location-info {
  padding-top: 8px;
}

.distance-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 13px 0;
  border-bottom: 1px solid var(--gray-100);
}

.distance-time {
  background: var(--secondary);
  color: var(--primary);
  padding: 4px 10px;
  border-radius: 50px;
  font-size: .78rem;
  font-weight: 700;
  min-width: 68px;
  text-align: center;
  flex-shrink: 0;
}

.distance-place {
  font-size: .88rem;
  color: var(--gray-700);
}

.map-embed {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  height: 400px;
}

.map-embed iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* ── 14. News Cards ───────────────────────────────────────── */
.news-section {
  background: var(--gray-50);
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
  margin-bottom: 36px;
}

.news-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--trans-normal);
}

.news-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.news-card-image {
  height: 192px;
  overflow: hidden;
  position: relative;
}

.news-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--trans-slow);
}

.news-card:hover .news-card-image img {
  transform: scale(1.06);
}

.news-cat-tag {
  position: absolute;
  top: 10px;
  left: 10px;
  padding: 4px 10px;
  border-radius: 50px;
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.news-cat-tag.market {
  background: var(--primary);
  color: var(--white);
}

.news-cat-tag.project {
  background: var(--secondary);
  color: var(--primary);
}

.news-card-body {
  padding: 18px;
}

.news-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 9px;
  color: var(--gray-500);
  font-size: .78rem;
}

.news-meta i {
  color: var(--secondary);
  font-size: .68rem;
}

.news-title {
  font-size: .95rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-excerpt {
  font-size: .83rem;
  color: var(--gray-500);
  line-height: 1.65;
  margin-bottom: 14px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-read-more {
  color: var(--secondary);
  font-size: .83rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 5px;
  transition: gap var(--trans-fast);
}

.news-card:hover .news-read-more {
  gap: 10px;
}

.section-cta {
  text-align: center;
}

/* ── 15. Listings / Tabs ──────────────────────────────────── */
.tab-controls {
  display: flex;
  gap: 0;
  margin-bottom: 28px;
  background: var(--gray-100);
  border-radius: var(--radius-md);
  padding: 4px;
  width: fit-content;
}

.tab-btn {
  padding: 9px 26px;
  border-radius: calc(var(--radius-md) - 2px);
  font-size: .875rem;
  font-weight: 600;
  color: var(--gray-500);
  transition: all var(--trans-fast);
  cursor: pointer;
}

.tab-btn.active {
  background: var(--primary);
  color: var(--white);
  box-shadow: var(--shadow-sm);
}

.listings-filter {
  display: flex;
  gap: 10px;
  margin-bottom: 22px;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 6px 18px;
  border-radius: 50px;
  border: 1px solid var(--gray-200);
  font-size: .83rem;
  font-weight: 500;
  color: var(--gray-700);
  cursor: pointer;
  transition: all var(--trans-fast);
}

.filter-btn.active,
.filter-btn:hover {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
}

.listings-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.listing-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--gray-200);
  transition: all var(--trans-normal);
}

.listing-card:hover {
  border-color: var(--secondary);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.listing-card-image {
  position: relative;
  height: 192px;
  overflow: hidden;
}

.listing-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--trans-slow);
}

.listing-card:hover .listing-card-image img {
  transform: scale(1.05);
}

.listing-type-badge {
  position: absolute;
  top: 10px;
  left: 10px;
  padding: 4px 10px;
  background: var(--primary);
  color: var(--white);
  border-radius: 4px;
  font-size: .72rem;
  font-weight: 700;
}

.listing-price-badge {
  position: absolute;
  bottom: 10px;
  right: 10px;
  padding: 5px 11px;
  background: var(--secondary);
  color: var(--primary);
  border-radius: 4px;
  font-size: .82rem;
  font-weight: 800;
}

.listing-card-body {
  padding: 16px;
}

.listing-name {
  font-size: .92rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 7px;
}

.listing-specs {
  display: flex;
  gap: 10px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}

.spec-item {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: .78rem;
  color: var(--gray-500);
}

.spec-item i {
  color: var(--secondary);
  font-size: .72rem;
}

.listing-address {
  font-size: .78rem;
  color: var(--gray-500);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 4px;
}

.listing-address i {
  color: var(--secondary);
}

.listing-card-footer {
  display: flex;
  gap: 7px;
}

.listing-card-footer .btn {
  flex: 1;
  justify-content: center;
  font-size: .78rem;
  padding: 8px 10px;
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

/* ── 16. Contact CTA ──────────────────────────────────────── */
.contact-cta {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 65%, #1e4a73 100%);
  position: relative;
  overflow: hidden;
}

.contact-cta::before {
  content: '';
  position: absolute;
  top: -180px;
  right: -180px;
  width: 560px;
  height: 560px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201, 168, 76, .06) 0%, transparent 70%);
}

.contact-cta .section-title {
  color: var(--white);
}

.contact-cta .section-desc {
  color: rgba(255, 255, 255, .72);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 55px;
  align-items: start;
}

.contact-info-title {
  font-size: 1.3rem;
  color: var(--secondary);
  margin-bottom: 18px;
}

.contact-info-item {
  display: flex;
  gap: 12px;
  margin-bottom: 18px;
}

.contact-info-icon {
  width: 38px;
  height: 38px;
  background: rgba(201, 168, 76, .14);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--secondary);
  flex-shrink: 0;
}

.contact-info-text h5 {
  color: var(--white);
  font-size: .87rem;
  margin-bottom: 2px;
}

.contact-info-text p {
  color: rgba(255, 255, 255, .66);
  font-size: .84rem;
  margin: 0;
}

.contact-form-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 36px;
  box-shadow: var(--shadow-xl);
}

.form-title {
  font-size: 1.2rem;
  color: var(--primary);
  margin-bottom: 22px;
  text-align: center;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 14px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.form-group.full {
  grid-column: 1/-1;
}

.form-label {
  font-size: .83rem;
  font-weight: 600;
  color: var(--gray-700);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-md);
  font-size: .88rem;
  color: var(--gray-900);
  transition: border-color var(--trans-fast);
  background: var(--gray-50);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--primary);
  background: var(--white);
}

.form-textarea {
  resize: vertical;
  min-height: 96px;
}

.form-submit {
  width: 100%;
  margin-top: 6px;
  justify-content: center;
  font-size: .95rem;
  padding: 14px;
}

/* ── 17. Footer ───────────────────────────────────────────── */
.footer {
  background: var(--gray-900);
  color: rgba(255, 255, 255, .68);
}

.footer-main {
  padding: 65px 0 36px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 44px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 11px;
  margin-bottom: 18px;
}

.footer-logo-icon {
  width: 42px;
  height: 42px;
  background: var(--secondary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: var(--primary);
  font-weight: 900;
  flex-shrink: 0;
}

.footer-logo-img {
  width: 48px;
  height: 48px;
  object-fit: contain;
  border-radius: 50%;
  flex-shrink: 0;
}

.footer-logo-name {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--white);
  display: block;
}

.footer-logo-sub {
  font-size: .65rem;
  color: var(--secondary);
  letter-spacing: 2px;
  text-transform: uppercase;
}

.footer-desc {
  font-size: .86rem;
  line-height: 1.75;
  margin-bottom: 22px;
}

.footer-socials {
  display: flex;
  gap: 9px;
}

.social-link {
  width: 34px;
  height: 34px;
  background: rgba(255, 255, 255, .1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, .68);
  font-size: .87rem;
  transition: all var(--trans-fast);
}

.social-link:hover {
  background: var(--secondary);
  color: var(--primary);
  transform: translateY(-3px);
}

.footer-col-title {
  font-size: .84rem;
  font-weight: 700;
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 18px;
  padding-bottom: 9px;
  border-bottom: 2px solid var(--secondary);
  display: inline-block;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.footer-links a {
  font-size: .845rem;
  color: rgba(255, 255, 255, .62);
  transition: all var(--trans-fast);
  display: flex;
  align-items: center;
  gap: 5px;
}

.footer-links a::before {
  content: '›';
  color: var(--secondary);
}

.footer-links a:hover {
  color: var(--secondary);
  padding-left: 4px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .1);
  padding: 22px 0;
}

.footer-bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-copy {
  font-size: .8rem;
  color: rgba(255, 255, 255, .45);
}

.footer-legal {
  display: flex;
  gap: 18px;
}

.footer-legal a {
  font-size: .78rem;
  color: rgba(255, 255, 255, .45);
  transition: color var(--trans-fast);
}

.footer-legal a:hover {
  color: var(--secondary);
}

/* ── 18. Floating Buttons ─────────────────────────────────── */
.floating-buttons {
  position: fixed;
  bottom: 28px;
  right: 22px;
  z-index: var(--z-fixed);
  display: flex;
  flex-direction: column;
  gap: 11px;
  align-items: flex-end;
}

.float-btn {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  box-shadow: var(--shadow-lg);
  transition: all var(--trans-normal);
  position: relative;
  cursor: pointer;
}

.float-btn:hover {
  transform: scale(1.12);
}

.float-btn-zalo {
  background: #0068FF;
  color: var(--white);
}

.float-btn-phone {
  background: #25D366;
  color: var(--white);
  animation: pulseGreen 2s infinite;
}

.float-btn-consult {
  background: var(--secondary);
  color: var(--primary);
  width: auto;
  border-radius: 50px;
  padding: 0 18px;
  font-size: .82rem;
  font-weight: 700;
  gap: 7px;
  white-space: nowrap;
}

@keyframes pulseGreen {

  0%,
  100% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, .4);
  }

  50% {
    box-shadow: 0 0 0 12px rgba(37, 211, 102, 0);
  }
}

.float-tooltip {
  position: absolute;
  right: calc(100% + 10px);
  background: var(--gray-900);
  color: var(--white);
  padding: 5px 10px;
  border-radius: var(--radius-sm);
  font-size: .77rem;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--trans-fast);
}

.float-tooltip::after {
  content: '';
  position: absolute;
  left: 100%;
  top: 50%;
  transform: translateY(-50%);
  border: 5px solid transparent;
  border-left-color: var(--gray-900);
}

.float-btn:hover .float-tooltip {
  opacity: 1;
}

.mobile-sticky-cta {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: var(--z-fixed);
  background: var(--white);
  border-top: 1px solid var(--gray-200);
  padding: 10px 16px;
  gap: 9px;
  box-shadow: 0 -4px 16px rgba(0, 0, 0, .1);
}

/* ── 19. Page Hero (Inner pages) ──────────────────────────── */
.page-hero {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  padding: 140px 0 72px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-hero::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 55px;
  background: var(--white);
  clip-path: ellipse(55% 100% at 50% 100%);
}

.page-hero.gray-bg::after {
  background: var(--gray-50);
}

.page-hero-title {
  color: var(--white);
  font-size: clamp(1.7rem, 4vw, 2.8rem);
  margin-bottom: 11px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  color: rgba(255, 255, 255, .65);
  font-size: .84rem;
}

.breadcrumb a {
  color: rgba(255, 255, 255, .65);
  transition: color var(--trans-fast);
}

.breadcrumb a:hover {
  color: var(--secondary);
}

.breadcrumb .sep {
  color: var(--secondary);
}

.breadcrumb .cur {
  color: var(--secondary);
}

/* ── 20. Filter Bar ───────────────────────────────────────── */
.filter-bar {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 22px 26px;
  box-shadow: var(--shadow-md);
  margin-bottom: 36px;
}

.filter-bar-title {
  font-size: .82rem;
  font-weight: 700;
  color: var(--gray-700);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 14px;
}

.filter-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr) auto;
  gap: 14px;
  align-items: end;
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.filter-group label {
  font-size: .78rem;
  font-weight: 600;
  color: var(--gray-700);
}

.filter-select {
  padding: 10px 13px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-md);
  font-size: .86rem;
  color: var(--gray-900);
  background: var(--gray-50);
  cursor: pointer;
}

.filter-select:focus {
  outline: none;
  border-color: var(--primary);
}

/* ── 21. Pagination ───────────────────────────────────────── */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  margin-top: 38px;
}

.page-item {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .88rem;
  font-weight: 600;
  cursor: pointer;
  border: 1.5px solid var(--gray-200);
  color: var(--gray-700);
  transition: all var(--trans-fast);
}

.page-item:hover,
.page-item.active {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
}

/* ── 22. News Filter Tabs ─────────────────────────────────── */
.news-filter-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 36px;
  border-bottom: 2px solid var(--gray-200);
}

.news-tab-btn {
  padding: 11px 26px;
  font-size: .9rem;
  font-weight: 600;
  color: var(--gray-500);
  cursor: pointer;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  transition: all var(--trans-fast);
}

.news-tab-btn.active,
.news-tab-btn:hover {
  color: var(--primary);
  border-bottom-color: var(--secondary);
}

/* ── 23. Sidebar ──────────────────────────────────────────── */
.sidebar-widget {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 22px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--gray-100);
  margin-bottom: 22px;
}

.sidebar-widget-title {
  font-size: .95rem;
  font-weight: 700;
  color: var(--primary);
  padding-bottom: 11px;
  border-bottom: 2px solid var(--secondary);
  margin-bottom: 14px;
}

/* ── 24. Scroll Reveal ────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: all .65s ease;
}

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

.reveal-left {
  opacity: 0;
  transform: translateX(-36px);
  transition: all .7s ease;
}

.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(36px);
  transition: all .7s ease;
}

.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-delay-1 {
  transition-delay: .15s;
}

.reveal-delay-2 {
  transition-delay: .3s;
}

.reveal-delay-3 {
  transition-delay: .45s;
}

.reveal-delay-4 {
  transition-delay: .6s;
}

/* ── 25. Utilities ────────────────────────────────────────── */
.mt-8 {
  margin-top: 8px;
}

.mt-16 {
  margin-top: 16px;
}

.mt-24 {
  margin-top: 24px;
}

.mt-32 {
  margin-top: 32px;
}

.mb-8 {
  margin-bottom: 8px;
}

.mb-16 {
  margin-bottom: 16px;
}

.mb-24 {
  margin-bottom: 24px;
}

.bg-gray {
  background: var(--gray-50);
}

.hidden {
  display: none !important;
}

/* ── 26. Responsive ───────────────────────────────────────── */
@media (max-width:1024px) {
  .about-grid {
    gap: 46px;
  }

  .contact-grid {
    gap: 36px;
  }

  .location-grid {
    gap: 36px;
  }

  .footer-grid {
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 32px;
  }
}

@media (max-width:900px) {

  .nav-menu,
  .nav-cta {
    display: none;
  }

  .nav-hamburger {
    display: flex;
  }

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

  .about-image-accent,
  .about-badge {
    display: none;
  }

  .about-image-main {
    height: 280px;
  }

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

  .stat-item {
    border-right: none;
    border-bottom: 1px solid rgba(255, 255, 255, .1);
  }

  .stat-item:nth-child(odd) {
    border-right: 1px solid rgba(255, 255, 255, .1);
  }

  .stat-item:nth-last-child(-n+2) {
    border-bottom: none;
  }

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

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

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

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

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

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

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 26px;
  }

  .footer-brand {
    grid-column: 1/-1;
  }

  .filter-row {
    grid-template-columns: 1fr 1fr;
  }

  /* Hero mobile adjustments */
  .hero {
    min-height: auto;
    height: auto;
    padding: 100px 0 60px;
  }

  .hero-title {
    font-size: clamp(1.8rem, 5vw, 3rem);
    letter-spacing: 0;
  }

  .hero-desc {
    font-size: .9rem;
    margin-bottom: 24px;
  }

  .hero-tagline {
    font-size: .9rem;
  }
}

@media (max-width:640px) {
  :root {
    --section-padding: 50px 0;
  }

  /* Navbar mobile */
  .navbar {
    padding: 10px 0;
  }

  .navbar.scrolled {
    padding: 8px 0;
  }

  .nav-logo-img {
    width: 34px;
    height: 34px;
  }

  .nav-logo {
    gap: 8px;
  }

  .nav-logo-name {
    font-size: .85rem;
  }

  .nav-logo-sub {
    font-size: .55rem;
    letter-spacing: 1px;
  }

  /* Hero mobile – fit content, no overflow */
  .hero {
    height: auto;
    min-height: auto;
    padding: 80px 0 40px;
  }

  .hero-title {
    font-size: clamp(1.5rem, 7vw, 2.2rem);
    letter-spacing: 0;
    line-height: 1.15;
    margin-bottom: 8px;
  }

  .hero-title span {
    letter-spacing: 0;
  }

  .hero-badge {
    margin-bottom: 14px;
    font-size: .65rem;
    padding: 4px 12px;
  }

  .hero-tagline {
    font-size: .82rem;
    margin-bottom: 10px;
  }

  .hero-divider {
    width: 50px;
    margin-bottom: 14px;
  }

  .hero-desc {
    font-size: .85rem;
    line-height: 1.7;
    margin-bottom: 20px;
  }

  .hero-actions .btn {
    width: 100%;
    justify-content: center;
  }

  .hero-actions {
    flex-direction: column;
    gap: 10px;
  }

  .hero-scroll {
    display: none;
  }

  /* Stats strip in hero */
  .hero-stats-strip {
    margin: 18px 0 20px;
  }

  .hero-stat {
    padding: 10px 8px;
  }

  .hero-stat strong {
    font-size: .95rem;
  }

  .hero-stat span {
    font-size: .6rem;
  }

  /* Grids single column */
  .projects-grid {
    grid-template-columns: 1fr;
  }

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

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

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

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

  /* Stats section */
  .stat-item {
    padding: 18px 12px;
  }

  .stat-icon {
    width: 38px;
    height: 38px;
    margin-bottom: 10px;
  }

  .stat-number {
    font-size: 1.4rem;
  }

  .stat-label {
    font-size: .78rem;
  }

  /* About section */
  .about-image-main {
    height: 200px;
  }

  /* Form & contact */
  .form-grid {
    grid-template-columns: 1fr;
  }

  .contact-form-card {
    padding: 22px;
  }

  .section-title {
    font-size: clamp(1.3rem, 5vw, 1.6rem);
  }

  .section-desc {
    font-size: .85rem;
  }

  /* Lead form */
  .lead-section {
    padding: 50px 0;
  }

  /* Footer */
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .footer-bottom-inner {
    flex-direction: column;
    text-align: center;
  }

  .footer-legal {
    flex-wrap: wrap;
    justify-content: center;
  }

  .footer-logo-img {
    width: 40px;
    height: 40px;
  }

  /* Tabs */
  .tab-controls {
    width: 100%;
  }

  .tab-btn {
    flex: 1;
    text-align: center;
    padding: 9px 12px;
  }

  /* Floating & CTA (avoid overlap) */
  .floating-buttons {
    bottom: 80px;
    right: 14px;
  }

  .float-btn {
    width: 44px;
    height: 44px;
    font-size: .95rem;
  }

  .mobile-sticky-cta {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 10px 16px;
    gap: 10px;
    background: var(--white);
    border-top: 1px solid var(--gray-200);
    box-shadow: 0 -4px 20px rgba(0, 0, 0, .1);
    z-index: var(--z-fixed);
  }

  .mobile-sticky-cta .btn {
    font-size: .82rem;
    padding: 10px 12px;
  }

  .float-btn-consult {
    display: none;
  }

  /* Page hero (sub-pages) */
  .page-hero {
    padding: 100px 0 40px;
  }

  .page-hero-title {
    font-size: 1.2rem;
  }

  /* Filter bar */
  .filter-row {
    grid-template-columns: 1fr;
  }

  .filter-bar {
    padding: 16px;
  }

  .filter-bar-title {
    font-size: .85rem;
  }
}

/* Extra small phones (< 400px) */
@media (max-width:400px) {
  .hero-title {
    font-size: 1.4rem;
  }

  .hero-stat {
    flex: 1 1 50%;
  }

  .nav-logo-name {
    font-size: .78rem;
  }

  .nav-logo-img {
    width: 30px;
    height: 30px;
  }

  .container {
    padding: 0 14px;
  }

  .section-title {
    font-size: 1.15rem;
  }
}