/* ==========================================================================
   BCONS RIVERSIDE - LUXURY REAL ESTATE LANDING PAGE
   Chủ đầu tư: Tập đoàn Bcons | Chuyên viên tư vấn: Ngọc Sang (0901.756.675)
   ========================================================================== */

:root {
  --primary: #0a1f38;
  --primary-light: #13335a;
  --primary-dark: #061324;
  --accent: #d4a338;
  --accent-light: #f3c764;
  --accent-dark: #b2821e;
  --accent-gradient: linear-gradient(135deg, #d4a338 0%, #f7d479 50%, #b2821e 100%);
  --gold-glow: 0 4px 20px rgba(212, 163, 56, 0.35);
  
  --emerald: #0d9488;
  --emerald-light: #14b8a6;
  --emerald-dark: #0f766e;
  
  --dark: #0f172a;
  --dark-soft: #1e293b;
  --gray-900: #0f172a;
  --gray-800: #1e293b;
  --gray-700: #334155;
  --gray-600: #475569;
  --gray-500: #64748b;
  --gray-400: #94a3b8;
  --gray-300: #cbd5e1;
  --gray-200: #e2e8f0;
  --gray-100: #f1f5f9;
  --gray-50: #f8fafc;
  --white: #ffffff;
  
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 14px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.12);
  --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.16);
  --shadow-2xl: 0 25px 60px rgba(0, 0, 0, 0.22);
  
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  
  --font-main: 'Plus Jakarta Sans', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-main);
  background-color: var(--white);
  color: var(--gray-700);
  line-height: 1.65;
  overflow-x: hidden;
}

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

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

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

input, select, textarea {
  font-family: inherit;
  font-size: 1rem;
}

.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

.container-narrow {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* ==========================================================================
   TYPOGRAPHY & SECTION HEADINGS
   ========================================================================== */

.sec-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 1rem;
  background: rgba(212, 163, 56, 0.12);
  color: var(--accent-dark);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-radius: var(--radius-full);
  margin-bottom: 0.85rem;
  border: 1px solid rgba(212, 163, 56, 0.25);
}

.sec-tag i {
  font-size: 0.9rem;
  color: var(--accent);
}

.sec-title {
  font-size: clamp(1.85rem, 3.2vw, 2.6rem);
  font-weight: 800;
  color: var(--primary);
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.sec-title span {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.sec-desc {
  font-size: clamp(1rem, 1.2vw, 1.125rem);
  color: var(--gray-600);
  max-width: 680px;
  line-height: 1.7;
}

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

.text-center .sec-desc {
  margin-left: auto;
  margin-right: auto;
}

.sec-header {
  margin-bottom: 3.5rem;
}

/* ==========================================================================
   BUTTONS & BADGES
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.85rem 1.75rem;
  font-size: 0.95rem;
  font-weight: 700;
  border-radius: var(--radius-full);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  text-align: center;
  white-space: nowrap;
}

.btn-gold {
  background: var(--accent-gradient);
  color: var(--primary-dark);
  box-shadow: 0 4px 18px rgba(212, 163, 56, 0.35);
  font-weight: 800;
}

.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(212, 163, 56, 0.5);
  filter: brightness(1.05);
}

.btn-primary {
  background: var(--primary);
  color: var(--white);
  box-shadow: 0 4px 15px rgba(10, 31, 56, 0.25);
}

.btn-primary:hover {
  background: var(--primary-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(10, 31, 56, 0.35);
}

.btn-outline-white {
  background: rgba(255, 255, 255, 0.1);
  color: var(--white);
  border: 1.5px solid rgba(255, 255, 255, 0.4);
  backdrop-filter: blur(8px);
}

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

.btn-outline-gold {
  background: transparent;
  color: var(--accent-dark);
  border: 1.5px solid var(--accent);
}

.btn-outline-gold:hover {
  background: var(--accent);
  color: var(--primary-dark);
}

.btn-zalo {
  background: #0068ff;
  color: var(--white);
  box-shadow: 0 4px 15px rgba(0, 104, 255, 0.35);
}

.btn-zalo:hover {
  background: #0056d6;
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(0, 104, 255, 0.45);
}

.btn-call {
  background: #e11d48;
  color: var(--white);
  box-shadow: 0 4px 15px rgba(225, 29, 72, 0.35);
}

.btn-call:hover {
  background: #be123c;
  transform: translateY(-2px);
}

.btn-sm {
  padding: 0.5rem 1.15rem;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 1.1rem 2.2rem;
  font-size: 1.05rem;
}

/* ==========================================================================
   TOP BAR & NAVIGATION HEADER
   ========================================================================== */

.topbar {
  background: var(--primary-dark);
  color: var(--gray-300);
  font-size: 0.825rem;
  padding: 0.45rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.topbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.topbar-info {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.topbar-item {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.topbar-item i {
  color: var(--accent);
}

.topbar-item b {
  color: var(--white);
}

.header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  transition: var(--transition);
}

.header.scrolled {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  background: rgba(255, 255, 255, 0.98);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.brand-logo {
  height: 48px;
  width: auto;
  object-fit: contain;
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.1;
  letter-spacing: -0.01em;
}

.brand-sub {
  font-size: 0.72rem;
  color: var(--accent-dark);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 1.35rem;
  list-style: none;
}

.nav-link {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--gray-700);
  padding: 0.4rem 0.2rem;
  position: relative;
  transition: var(--transition);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 0.25s ease;
}

.nav-link:hover {
  color: var(--accent-dark);
}

.nav-link:hover::after {
  width: 100%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 32px;
  height: 32px;
  justify-content: center;
  align-items: center;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2.5px;
  background: var(--primary);
  border-radius: 2px;
  transition: var(--transition);
}

/* Mobile Nav Drawer */
.mobile-nav {
  position: fixed;
  top: 0;
  right: -100%;
  width: 320px;
  height: 100vh;
  background: var(--white);
  box-shadow: -5px 0 30px rgba(0, 0, 0, 0.2);
  z-index: 1100;
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  transition: right 0.35s ease;
  overflow-y: auto;
}

.mobile-nav.open {
  right: 0;
}

.mobile-nav-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  z-index: 1050;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.mobile-nav-backdrop.open {
  opacity: 1;
  visibility: visible;
}

.mobile-nav-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--gray-200);
}

.mobile-nav-close {
  font-size: 1.75rem;
  color: var(--gray-600);
}

.mobile-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2rem;
}

.mobile-nav-link {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--gray-800);
  display: block;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--gray-100);
}

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

.hero {
  position: relative;
  min-height: 88vh;
  display: flex;
  align-items: center;
  background: var(--primary-dark);
  color: var(--white);
  padding: 5rem 0 6rem;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0.42;
  transform: scale(1.03);
  transition: transform 10s ease;
}

.hero:hover .hero-bg img {
  transform: scale(1.08);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  background: linear-gradient(180deg, 
    rgba(10, 31, 56, 0.75) 0%, 
    rgba(10, 31, 56, 0.85) 60%, 
    rgba(10, 31, 56, 0.98) 100%);
}

.hero-content {
  position: relative;
  z-index: 3;
  max-width: 860px;
}

.hero-badge-wrap {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 1.25rem;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1.1rem;
  background: rgba(212, 163, 56, 0.2);
  border: 1px solid rgba(212, 163, 56, 0.5);
  color: var(--accent-light);
  font-size: 0.85rem;
  font-weight: 700;
  border-radius: var(--radius-full);
  backdrop-filter: blur(8px);
}

.hero-badge-sub {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 1rem;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--white);
  font-size: 0.85rem;
  border-radius: var(--radius-full);
  backdrop-filter: blur(8px);
}

.hero-title {
  font-size: clamp(2.3rem, 5vw, 3.8rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.hero-title .gold-gradient {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-lead {
  font-size: clamp(1.05rem, 1.5vw, 1.25rem);
  color: var(--gray-200);
  line-height: 1.65;
  margin-bottom: 2.25rem;
  max-width: 720px;
}

.hero-lead b {
  color: var(--white);
}

.hero-cta {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 3.5rem;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  padding: 1.5rem;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(12px);
}

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

.hero-stat-num {
  font-size: clamp(1.8rem, 2.5vw, 2.4rem);
  font-weight: 800;
  color: var(--accent-light);
  line-height: 1.1;
  margin-bottom: 0.25rem;
}

.hero-stat-label {
  font-size: 0.825rem;
  color: var(--gray-300);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* ==========================================================================
   CONSULTANT PROFILE BAR (NGỌC SANG)
   ========================================================================== */

.consultant-bar {
  background: linear-gradient(135deg, #0d2847 0%, #06182c 100%);
  color: var(--white);
  padding: 2.5rem 0;
  border-bottom: 1px solid rgba(212, 163, 56, 0.25);
  position: relative;
  z-index: 10;
}

.consultant-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}

.consultant-left {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.consultant-avatar-wrap {
  position: relative;
  width: 90px;
  height: 90px;
  flex-shrink: 0;
}

.consultant-avatar {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--accent);
  box-shadow: 0 0 20px rgba(212, 163, 56, 0.4);
}

.consultant-status {
  position: absolute;
  bottom: 4px;
  right: 4px;
  width: 16px;
  height: 16px;
  background: #10b981;
  border: 2.5px solid var(--primary-dark);
  border-radius: 50%;
  box-shadow: 0 0 8px #10b981;
}

.consultant-info h4 {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 0.2rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.consultant-info h4 .badge-verified {
  font-size: 0.75rem;
  padding: 0.15rem 0.6rem;
  background: rgba(16, 185, 129, 0.2);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.4);
  border-radius: var(--radius-full);
  font-weight: 600;
}

.consultant-role {
  color: var(--accent-light);
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 0.4rem;
}

.consultant-meta {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  font-size: 0.85rem;
  color: var(--gray-300);
}

.consultant-meta a:hover {
  color: var(--accent-light);
}

.consultant-commitments {
  display: flex;
  gap: 1.5rem;
  border-left: 1px solid rgba(255, 255, 255, 0.15);
  padding-left: 1.5rem;
}

.commit-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--gray-200);
}

.commit-item i {
  color: var(--accent);
  font-size: 1rem;
}

.consultant-actions {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

/* ==========================================================================
   PROJECT OVERVIEW (TỔNG QUAN)
   ========================================================================== */

.overview-sec {
  padding: 6rem 0;
  background: var(--white);
}

.overview-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: center;
}

.overview-visual {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.overview-visual img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-xl);
  transition: transform 0.6s ease;
}

.overview-visual:hover img {
  transform: scale(1.03);
}

.overview-visual-badge {
  position: absolute;
  bottom: 1.5rem;
  left: 1.5rem;
  right: 1.5rem;
  background: rgba(10, 31, 56, 0.85);
  backdrop-filter: blur(10px);
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--white);
}

.overview-visual-badge h5 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent-light);
  margin-bottom: 0.25rem;
}

.overview-visual-badge p {
  font-size: 0.85rem;
  color: var(--gray-300);
  line-height: 1.5;
}

.overview-specs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-top: 2rem;
}

.spec-card {
  padding: 1.25rem;
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  transition: var(--transition);
}

.spec-card:hover {
  background: var(--white);
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.spec-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: rgba(212, 163, 56, 0.15);
  color: var(--accent-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.spec-label {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--gray-500);
  letter-spacing: 0.04em;
  margin-bottom: 0.25rem;
}

.spec-val {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.35;
}

/* ==========================================================================
   LOCATION SECTION (VỊ TRÍ)
   ========================================================================== */

.location-sec {
  padding: 6rem 0;
  background: var(--gray-50);
  position: relative;
}

.location-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3rem;
  align-items: center;
}

.location-map-wrap {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--gray-200);
  background: var(--white);
}

.location-map-wrap img {
  width: 100%;
  height: auto;
  cursor: zoom-in;
  transition: transform 0.5s ease;
}

.location-map-wrap:hover img {
  transform: scale(1.02);
}

.map-zoom-hint {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: rgba(10, 31, 56, 0.85);
  color: var(--white);
  padding: 0.4rem 0.9rem;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  gap: 0.4rem;
  backdrop-filter: blur(6px);
}

.location-features {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.loc-feat {
  display: flex;
  gap: 1.25rem;
  padding: 1.25rem;
  background: var(--white);
  border-radius: var(--radius-md);
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.loc-feat:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
  transform: translateX(4px);
}

.loc-feat-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(10, 31, 56, 0.08);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  flex-shrink: 0;
}

.loc-feat:hover .loc-feat-icon {
  background: var(--accent);
  color: var(--primary-dark);
}

.loc-feat-text h5 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 0.25rem;
}

.loc-feat-text p {
  font-size: 0.875rem;
  color: var(--gray-600);
  line-height: 1.5;
}

/* ==========================================================================
   INTERACTIVE FLOOR PLAN EXPLORER (MẶT BẰNG & TRA CỨU CĂN)
   ========================================================================== */

.plan-sec {
  padding: 6rem 0;
  background: var(--white);
}

.plan-tabs {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.plan-tab-btn {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1.5rem;
  background: var(--gray-100);
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-full);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--gray-700);
  transition: var(--transition);
}

.plan-tab-btn img {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  object-fit: cover;
}

.plan-tab-btn:hover {
  background: var(--white);
  border-color: var(--accent);
  color: var(--primary);
}

.plan-tab-btn.active {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
  box-shadow: 0 4px 15px rgba(10, 31, 56, 0.25);
}

.plan-tab-btn.active img {
  border: 2px solid var(--accent);
}

.plan-main-card {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 2.5rem;
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  box-shadow: var(--shadow-lg);
}

.plan-view-wrap {
  position: relative;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.plan-img-btn {
  position: relative;
  width: 100%;
  cursor: zoom-in;
  display: block;
}

.plan-img-btn img {
  width: 100%;
  max-height: 520px;
  object-fit: contain;
  transition: transform 0.4s ease, opacity 0.2s ease;
}

.plan-img-btn:hover img {
  transform: scale(1.02);
}

.plan-caption {
  font-size: 0.85rem;
  color: var(--gray-500);
  margin-top: 1rem;
  text-align: center;
  font-style: italic;
}

/* Interactive Unit Finder Panel */
.unit-finder {
  display: flex;
  flex-direction: column;
}

.unit-finder-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.unit-finder-desc {
  font-size: 0.875rem;
  color: var(--gray-600);
  margin-bottom: 1.5rem;
}

.unit-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.65rem;
  max-height: 280px;
  overflow-y: auto;
  padding-right: 0.5rem;
  margin-bottom: 1.5rem;
}

.unit-card {
  padding: 0.75rem 0.5rem;
  background: var(--white);
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-md);
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
}

.unit-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}

.unit-card.active {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
  box-shadow: 0 4px 12px rgba(10, 31, 56, 0.25);
}

.unit-code {
  font-size: 1rem;
  font-weight: 800;
  display: block;
  margin-bottom: 0.15rem;
}

.unit-meta {
  font-size: 0.72rem;
  color: var(--gray-500);
  display: block;
}

.unit-card.active .unit-meta {
  color: var(--gray-300);
}

.unit-tag {
  font-size: 0.7rem;
  font-weight: 700;
  display: inline-block;
  padding: 0.1rem 0.45rem;
  background: rgba(212, 163, 56, 0.15);
  color: var(--accent-dark);
  border-radius: var(--radius-full);
  margin-top: 0.25rem;
}

.unit-card.active .unit-tag {
  background: rgba(212, 163, 56, 0.3);
  color: var(--accent-light);
}

/* Unit Selected Details Box */
.unit-detail-box {
  background: var(--white);
  border: 2px solid var(--accent);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-md);
  margin-top: auto;
}

.ud-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--gray-200);
}

.ud-header h4 {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--primary);
}

.ud-specs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.ud-spec-item dt {
  font-size: 0.75rem;
  color: var(--gray-500);
  text-transform: uppercase;
  font-weight: 600;
}

.ud-spec-item dd {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--gray-800);
}

.ud-actions {
  display: flex;
  gap: 0.75rem;
}

.unit-empty-msg {
  padding: 2.5rem 1.5rem;
  text-align: center;
  background: var(--white);
  border-radius: var(--radius-md);
  color: var(--gray-500);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ==========================================================================
   APARTMENT TYPES (CĂN HỘ 1PN - 2PN - 3PN)
   ========================================================================== */

.units-sec {
  padding: 6rem 0;
  background: var(--gray-50);
}

.units-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.unit-type-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  position: relative;
}

.unit-type-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: var(--accent);
}

.unit-type-card.featured {
  border: 2px solid var(--accent);
}

.unit-featured-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: var(--accent-gradient);
  color: var(--primary-dark);
  font-size: 0.75rem;
  font-weight: 800;
  padding: 0.3rem 0.8rem;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  box-shadow: var(--shadow-sm);
  z-index: 5;
}

.unit-type-header {
  padding: 1.75rem 1.75rem 1.25rem;
  border-bottom: 1px solid var(--gray-100);
}

.unit-type-tag {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent-dark);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.25rem;
}

.unit-type-title {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 0.5rem;
}

.unit-type-area {
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--accent-dark);
}

.unit-type-area span {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--gray-500);
}

.unit-type-body {
  padding: 1.5rem 1.75rem;
  flex-grow: 1;
}

.unit-type-desc {
  font-size: 0.925rem;
  color: var(--gray-600);
  margin-bottom: 1.25rem;
  line-height: 1.6;
}

.unit-type-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  margin-bottom: 1.5rem;
}

.unit-type-features li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.9rem;
  color: var(--gray-700);
}

.unit-type-features li i {
  color: #10b981;
  font-size: 0.95rem;
}

.unit-type-footer {
  padding: 1.25rem 1.75rem 1.75rem;
  background: var(--gray-50);
  border-top: 1px solid var(--gray-100);
}

/* ==========================================================================
   LOAN & MORTGAGE CALCULATOR (DỰ TOÁN VAY & TRẢ GÓP)
   ========================================================================== */

.calc-sec {
  padding: 6rem 0;
  background: var(--white);
}

.calc-container {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3rem;
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-xl);
  padding: 3rem;
  box-shadow: var(--shadow-lg);
}

.calc-form {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.calc-field {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.calc-field-top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.calc-label {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--primary);
}

.calc-val-pill {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--accent-dark);
}

.calc-range {
  width: 100%;
  height: 8px;
  border-radius: 4px;
  background: var(--gray-200);
  outline: none;
  -webkit-appearance: none;
  cursor: pointer;
}

.calc-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.25);
  cursor: pointer;
  transition: transform 0.15s ease;
}

.calc-range::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

.calc-row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.calc-input-wrap {
  position: relative;
}

.calc-input {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--white);
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 600;
  color: var(--gray-800);
  outline: none;
  transition: var(--transition);
}

.calc-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(212, 163, 56, 0.15);
}

/* Calculator Result Card */
.calc-result-card {
  background: linear-gradient(145deg, #0a1f38 0%, #112d4e 100%);
  color: var(--white);
  border-radius: var(--radius-xl);
  padding: 2.25rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow-xl);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.res-header {
  margin-bottom: 1.5rem;
}

.res-title {
  font-size: 0.9rem;
  text-transform: uppercase;
  color: var(--accent-light);
  letter-spacing: 0.05em;
  font-weight: 700;
  margin-bottom: 0.35rem;
}

.res-monthly-wrap {
  margin-bottom: 1.75rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.res-monthly-num {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 800;
  color: var(--white);
  line-height: 1.1;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.res-monthly-num span {
  font-size: 1rem;
  font-weight: 500;
  color: var(--accent-light);
}

.res-monthly-sub {
  font-size: 0.8rem;
  color: var(--gray-300);
  margin-top: 0.25rem;
}

.res-breakdown {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  margin-bottom: 2rem;
}

.res-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.925rem;
}

.res-row dt {
  color: var(--gray-300);
}

.res-row dd {
  font-weight: 700;
  color: var(--white);
}

.calc-compare-box {
  margin-top: 3.5rem;
  padding: 2.5rem;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-xl);
}

.compare-title {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 1.5rem;
  text-align: center;
}

.compare-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.compare-card {
  padding: 1.5rem;
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  text-align: center;
}

.compare-card h5 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 0.5rem;
}

.compare-card .cmp-price {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--accent-dark);
  margin-bottom: 0.25rem;
}

.compare-card .cmp-mo {
  font-size: 0.95rem;
  color: var(--gray-600);
}

/* ==========================================================================
   AMENITIES (TIỆN ÍCH NỘI KHU)
   ========================================================================== */

.amenities-sec {
  padding: 6rem 0;
  background: var(--gray-50);
}

.amenities-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: center;
}

.amenities-visual {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.amenities-visual img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-xl);
  transition: transform 0.5s ease;
}

.amenities-visual:hover img {
  transform: scale(1.03);
}

.amenity-items-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.amenity-card {
  padding: 1.35rem;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.amenity-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.amenity-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: rgba(212, 163, 56, 0.12);
  color: var(--accent-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin-bottom: 0.75rem;
}

.amenity-card h5 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 0.25rem;
}

.amenity-card p {
  font-size: 0.825rem;
  color: var(--gray-500);
  line-height: 1.5;
}

/* ==========================================================================
   CONSTRUCTION PROGRESS (TIẾN ĐỘ THỰC TẾ)
   ========================================================================== */

.progress-sec {
  padding: 6rem 0;
  background: var(--white);
}

.timeline {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  padding: 2rem 0;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 3px;
  background: var(--gray-200);
  transform: translateX(-50%);
}

.timeline-item {
  position: relative;
  margin-bottom: 3rem;
  width: 50%;
}

.timeline-item:nth-child(odd) {
  left: 0;
  padding-right: 3rem;
  text-align: right;
}

.timeline-item:nth-child(even) {
  left: 50%;
  padding-left: 3rem;
  text-align: left;
}

.timeline-dot {
  position: absolute;
  top: 0;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--white);
  border: 4px solid var(--accent);
  box-shadow: 0 0 0 4px rgba(212, 163, 56, 0.2);
  z-index: 2;
}

.timeline-item:nth-child(odd) .timeline-dot {
  right: -12px;
}

.timeline-item:nth-child(even) .timeline-dot {
  left: -12px;
}

.timeline-item.completed .timeline-dot {
  background: var(--accent);
  border-color: var(--primary);
}

.timeline-item.current .timeline-dot {
  background: #10b981;
  border-color: var(--white);
  box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.3);
  animation: pulseDot 2s infinite;
}

@keyframes pulseDot {
  0% { transform: scale(1); }
  50% { transform: scale(1.25); }
  100% { transform: scale(1); }
}

.timeline-box {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.timeline-box:hover {
  background: var(--white);
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
}

.timeline-date {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent-dark);
  text-transform: uppercase;
  margin-bottom: 0.25rem;
}

.timeline-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 0.5rem;
}

.timeline-desc {
  font-size: 0.875rem;
  color: var(--gray-600);
  line-height: 1.6;
}

/* ==========================================================================
   IMAGE GALLERY & LIGHTBOX (THƯ VIỆN HÌNH ẢNH)
   ========================================================================== */

.gallery-sec {
  padding: 6rem 0;
  background: var(--gray-50);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.gallery-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  aspect-ratio: 16/10;
  cursor: pointer;
  background: var(--primary-dark);
}

.gallery-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.gallery-card:hover img {
  transform: scale(1.08);
}

.gallery-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0) 30%, rgba(10, 31, 56, 0.88) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.5rem;
  color: var(--white);
  transition: var(--transition);
}

.gallery-card:hover .gallery-card-overlay {
  background: linear-gradient(180deg, rgba(10, 31, 56, 0.4) 0%, rgba(10, 31, 56, 0.95) 100%);
}

.gallery-zoom-icon {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(4px);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: translateY(-8px);
  transition: var(--transition);
}

.gallery-card:hover .gallery-zoom-icon {
  opacity: 1;
  transform: translateY(0);
}

.gallery-card-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 0.25rem;
}

.gallery-card-sub {
  font-size: 0.8rem;
  color: var(--accent-light);
}

/* Lightbox Modal */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(6, 19, 36, 0.95);
  backdrop-filter: blur(12px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.lightbox.open {
  opacity: 1;
  visibility: visible;
}

.lightbox-content {
  position: relative;
  max-width: 1000px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.lightbox-content img {
  max-width: 100%;
  max-height: 75vh;
  object-fit: contain;
  border-radius: var(--radius-md);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.5);
}

.lightbox-caption {
  margin-top: 1rem;
  color: var(--white);
  font-size: 1rem;
  text-align: center;
  max-width: 700px;
}

.lightbox-close {
  position: absolute;
  top: -45px;
  right: 0;
  color: var(--white);
  font-size: 2rem;
  cursor: pointer;
  background: none;
  border: none;
}

/* ==========================================================================
   NEWS & ARTICLES (TIN TỨC & PHÂN TÍCH)
   ========================================================================== */

.news-sec {
  padding: 6rem 0;
  background: var(--white);
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.news-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  cursor: pointer;
}

.news-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent);
  box-shadow: var(--shadow-xl);
}

.news-thumb {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
}

.news-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

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

.news-cat-badge {
  position: absolute;
  bottom: 0.75rem;
  left: 0.75rem;
  background: var(--primary);
  color: var(--white);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
}

.news-body {
  padding: 1.5rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.news-date {
  font-size: 0.8rem;
  color: var(--gray-400);
  margin-bottom: 0.5rem;
}

.news-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.4;
  margin-bottom: 0.75rem;
}

.news-excerpt {
  font-size: 0.875rem;
  color: var(--gray-600);
  line-height: 1.6;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.news-readmore {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--accent-dark);
}

/* Article Modal */
.article-modal {
  position: fixed;
  inset: 0;
  background: rgba(6, 19, 36, 0.85);
  backdrop-filter: blur(10px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.article-modal.open {
  opacity: 1;
  visibility: visible;
}

.article-modal-box {
  background: var(--white);
  border-radius: var(--radius-xl);
  max-width: 800px;
  max-height: 88vh;
  overflow-y: auto;
  padding: 2.5rem;
  position: relative;
  box-shadow: var(--shadow-2xl);
}

.article-close {
  position: sticky;
  top: 0;
  float: right;
  font-size: 1.75rem;
  color: var(--gray-500);
  background: var(--white);
  border-radius: 50%;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
}

.article-modal-img {
  width: 100%;
  max-height: 360px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  margin-bottom: 1.5rem;
}

.article-modal-title {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.3;
  margin-bottom: 0.75rem;
}

.article-modal-body p {
  margin-bottom: 1rem;
  font-size: 1rem;
  color: var(--gray-700);
  line-height: 1.75;
}

/* ==========================================================================
   FAQ SECTION (HỎI ĐÁP)
   ========================================================================== */

.faq-sec {
  padding: 6rem 0;
  background: var(--gray-50);
}

.faq-list {
  max-width: 850px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.faq-item:hover {
  border-color: var(--accent);
}

.faq-question {
  width: 100%;
  padding: 1.25rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--primary);
  text-align: left;
}

.faq-icon {
  font-size: 1.1rem;
  color: var(--accent);
  transition: transform 0.3s ease;
}

.faq-item.open .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  padding: 0 1.5rem;
  color: var(--gray-600);
  font-size: 0.95rem;
  line-height: 1.7;
}

.faq-item.open .faq-answer {
  max-height: 300px;
  padding: 0 1.5rem 1.5rem 1.5rem;
}

/* ==========================================================================
   LEAD REGISTRATION SECTION (FORM ĐĂNG KÝ)
   ========================================================================== */

.lead-sec {
  padding: 6rem 0;
  background: linear-gradient(135deg, #061528 0%, #0c233f 100%);
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.lead-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 4rem;
  align-items: center;
}

.lead-info-col h2 {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 800;
  color: var(--white);
  line-height: 1.25;
  margin-bottom: 1.25rem;
}

.lead-info-col h2 span {
  color: var(--accent-light);
}

.lead-info-col p {
  font-size: 1.05rem;
  color: var(--gray-200);
  line-height: 1.7;
  margin-bottom: 2rem;
}

.lead-benefits {
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
  margin-bottom: 2.5rem;
}

.lead-benefit-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 1rem;
  color: var(--white);
}

.lead-benefit-item i {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(212, 163, 56, 0.2);
  color: var(--accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
}

.consultant-direct-badge {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(212, 163, 56, 0.3);
  border-radius: var(--radius-lg);
}

.consultant-direct-badge img {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--accent);
}

.consultant-direct-text h5 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
}

.consultant-direct-text p {
  font-size: 0.85rem;
  color: var(--accent-light);
  margin-bottom: 0;
}

/* Registration Form Card */
.lead-form-card {
  background: var(--white);
  color: var(--gray-800);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  box-shadow: var(--shadow-2xl);
  position: relative;
}

.unit-banner {
  display: none;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  background: rgba(212, 163, 56, 0.15);
  border: 1px solid var(--accent);
  border-radius: var(--radius-md);
  margin-bottom: 1.5rem;
  font-size: 0.875rem;
  color: var(--primary-dark);
  font-weight: 600;
}

.unit-banner-clear {
  color: var(--gray-500);
  cursor: pointer;
  font-size: 1.1rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 0.4rem;
}

.form-control {
  width: 100%;
  padding: 0.85rem 1.15rem;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  color: var(--gray-800);
  outline: none;
  transition: var(--transition);
}

.form-control:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(212, 163, 56, 0.15);
}

.radio-group {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
}

.radio-btn-label {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.65rem;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gray-700);
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
}

.radio-btn-label input {
  display: none;
}

.radio-btn-label:has(input:checked) {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
}

.form-note {
  font-size: 0.78rem;
  color: var(--gray-500);
  margin-top: 0.75rem;
  text-align: center;
}

/* Success Card */
.form-success-card {
  display: none;
  text-align: center;
  padding: 1.5rem 0;
}

.success-icon {
  width: 70px;
  height: 70px;
  border-radius: 50%;
  background: #10b981;
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.2rem;
  margin: 0 auto 1.25rem;
  box-shadow: 0 4px 15px rgba(16, 185, 129, 0.4);
}

.form-success-card h3 {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 0.5rem;
}

.form-success-card p {
  color: var(--gray-600);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}

.summary-pre {
  background: var(--gray-100);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: 1rem;
  font-size: 0.85rem;
  color: var(--gray-800);
  text-align: left;
  white-space: pre-wrap;
  word-break: break-word;
  margin-bottom: 1.25rem;
  max-height: 180px;
  overflow-y: auto;
}

.success-actions {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

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

.footer {
  background: var(--primary-dark);
  color: var(--gray-400);
  padding: 5rem 0 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.9rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 3.5rem;
  margin-bottom: 3.5rem;
}

.footer-brand h4 {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 0.75rem;
}

.footer-brand p {
  color: var(--gray-400);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.footer-col h5 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 1.25rem;
  position: relative;
  padding-bottom: 0.5rem;
}

.footer-col h5::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 32px;
  height: 2px;
  background: var(--accent);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.footer-links a:hover {
  color: var(--accent-light);
  transform: translateX(3px);
}

.footer-contact-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.footer-contact-item {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
}

.footer-contact-item i {
  color: var(--accent);
  margin-top: 0.2rem;
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.825rem;
}

/* ==========================================================================
   STICKY BAR & FLOATING WIDGETS
   ========================================================================== */

/* Sticky Bottom Contact Bar */
.sticky-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: rgba(10, 31, 56, 0.95);
  backdrop-filter: blur(12px);
  border-top: 1.5px solid var(--accent);
  z-index: 999;
  padding: 0.75rem 0;
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.2);
  transform: translateY(100%);
  transition: transform 0.35s ease;
}

.sticky-bar.show {
  transform: translateY(0);
}

.sticky-bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.sticky-info {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.sticky-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--accent);
}

.sticky-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--white);
}

.sticky-sub {
  font-size: 0.75rem;
  color: var(--accent-light);
}

.sticky-actions {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

/* Floating Contact Bubble */
.floating-contact-bubble {
  position: fixed;
  bottom: 85px;
  right: 20px;
  z-index: 990;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.75rem;
}

.bubble-dialog {
  background: var(--white);
  color: var(--gray-800);
  padding: 0.65rem 1rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  font-size: 0.85rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  border: 1px solid var(--gray-200);
  max-width: 240px;
  animation: floatBubble 3s ease-in-out infinite;
}

@keyframes floatBubble {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-5px); }
}

.bubble-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.15rem;
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 700;
  box-shadow: var(--shadow-lg);
  transition: var(--transition);
}

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

.bubble-btn-call {
  background: #e11d48;
  color: var(--white);
}

.bubble-btn:hover {
  transform: scale(1.06);
}

/* Back to top */
.back-to-top {
  position: fixed;
  bottom: 85px;
  left: 20px;
  width: 44px;
  height: 44px;
  background: var(--primary);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  z-index: 990;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background: var(--accent);
  color: var(--primary-dark);
}

/* ==========================================================================
   POPUP MODAL (EXIT-INTENT / TIMED)
   ========================================================================== */

.lead-popup {
  position: fixed;
  inset: 0;
  background: rgba(6, 19, 36, 0.85);
  backdrop-filter: blur(8px);
  z-index: 2100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.lead-popup.open {
  opacity: 1;
  visibility: visible;
}

.popup-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  max-width: 520px;
  width: 100%;
  padding: 2.25rem;
  position: relative;
  box-shadow: var(--shadow-2xl);
  border: 2px solid var(--accent);
  animation: modalPop 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalPop {
  from { opacity: 0; transform: scale(0.92); }
  to { opacity: 1; transform: scale(1); }
}

.popup-close {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  font-size: 1.5rem;
  color: var(--gray-400);
  cursor: pointer;
}

.popup-header {
  text-align: center;
  margin-bottom: 1.5rem;
}

.popup-header h3 {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 0.35rem;
}

.popup-header p {
  font-size: 0.9rem;
  color: var(--gray-600);
}

/* ==========================================================================
   TOAST NOTIFICATION
   ========================================================================== */

.toast-box {
  position: fixed;
  top: 90px;
  right: 20px;
  z-index: 2200;
  background: var(--primary);
  color: var(--white);
  padding: 0.9rem 1.4rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  border-left: 4px solid var(--accent);
  transform: translateX(120%);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.toast-box.show {
  transform: translateX(0);
}

/* ==========================================================================
   RESPONSIVE DESIGN (MEDIA QUERIES)
   ========================================================================== */

@media (max-width: 1024px) {
  .nav-menu {
    display: none;
  }
  
  .menu-toggle {
    display: flex;
  }
  
  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .overview-grid,
  .location-grid,
  .amenities-grid,
  .calc-container,
  .plan-main-card,
  .lead-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  
  .consultant-commitments {
    display: none;
  }
  
  .units-grid,
  .gallery-grid,
  .news-grid,
  .compare-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .topbar {
    display: none;
  }
  
  .hero {
    min-height: auto;
    padding: 3.5rem 0 4.5rem;
  }
  
  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
    padding: 1.25rem;
  }
  
  .consultant-card {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .consultant-actions {
    width: 100%;
  }
  
  .consultant-actions .btn {
    flex: 1;
  }
  
  .units-grid,
  .gallery-grid,
  .news-grid,
  .compare-grid,
  .overview-specs,
  .amenity-items-grid,
  .calc-row-2 {
    grid-template-columns: 1fr;
  }
  
  .timeline::before {
    left: 20px;
  }
  
  .timeline-item {
    width: 100%;
    left: 0 !important;
    padding-left: 50px !important;
    padding-right: 0 !important;
    text-align: left !important;
  }
  
  .timeline-dot {
    left: 8px !important;
  }
  
  .sticky-info {
    display: none;
  }
  
  .sticky-actions {
    width: 100%;
    justify-content: space-between;
  }
  
  .sticky-actions .btn {
    flex: 1;
    font-size: 0.85rem;
    padding: 0.65rem 0.5rem;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  
  .floating-contact-bubble .bubble-dialog {
    display: none;
  }
}

@media (max-width: 480px) {
  .hero-cta {
    flex-direction: column;
    width: 100%;
  }
  
  .hero-cta .btn {
    width: 100%;
  }
  
  .unit-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}