/* ==========================================================================
   THEME: Á ĐÔNG HIỆN ĐẠI (MODERN ORIENTAL) & ZEN THIỀN ĐỊNH
   Target Audience: 35 - 60 tuổi (Font to 16-18px, Nút bấm lớn Big Buttons)
   Optimized for All Viewports: 4K, Large Desktop, Laptop, Tablet, Mobile
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&display=swap');

:root {
  /* Colors */
  --bg-primary: #F8F5EE;
  --bg-secondary: #F1ECE0;
  --bg-surface: #FFFFFF;
  --bg-surface-trans: rgba(255, 255, 255, 0.92);
  --bg-dark: #1F1914;

  --text-main: #2C2219;
  --text-muted: #645648;
  --text-light: #9B8C7C;
  --text-on-dark: #F7F3EB;

  /* Accent Colors */
  --green-deep: #134E39;
  --green-hover: #0C3828;
  --green-light: #E8F1EC;
  
  --gold-accent: #C5A059;
  --gold-hover: #B08C43;
  --gold-light: #FAF5EA;
  --gold-border: #E2D3B3;

  --border-light: #EAE3D6;
  --border-subtle: #DCD3C3;

  /* Status Colors */
  --color-success: #198754;
  --color-danger: #B83A3A;
  --color-warning: #D9822B;
  --color-info: #21618C;

  /* Typography - Sử dụng font Space Grotesk đồng bộ cho toàn bộ giao diện */
  --font-heading: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-title-oriental: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Large legible sizes for 35-60yo */
  --font-size-base: 16.5px;
  --font-size-sm: 14.5px;
  --font-size-lg: 18.5px;
  --font-size-xl: 22px;
  --font-size-2xl: 26px;
  --font-size-3xl: 32px;
  --font-size-4xl: 40px;

  /* Layout & Spacing */
  --container-max: 1320px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(44, 34, 25, 0.05);
  --shadow-md: 0 6px 20px rgba(44, 34, 25, 0.08);
  --shadow-lg: 0 12px 36px rgba(44, 34, 25, 0.12);
  --shadow-gold: 0 6px 24px rgba(197, 160, 89, 0.28);
  --shadow-green: 0 6px 24px rgba(19, 78, 57, 0.28);

  /* Transitions */
  --transition: all 0.26s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ==========================================================================
   RESET & FOUNDATIONS
   ========================================================================== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: var(--font-size-base);
  scroll-behavior: smooth;
  text-size-adjust: 100%;
  -webkit-text-size-adjust: 100%;
  overflow-x: hidden;
  width: 100%;
  max-width: 100vw;
}

body {
  font-family: var(--font-body);
  color: var(--text-main);
  background-color: var(--bg-primary);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  background-image: radial-gradient(#E5DDC7 0.8px, transparent 0.8px);
  background-size: 26px 26px;
  overflow-x: hidden;
  width: 100%;
  max-width: 100vw;
  position: relative;
}

/* Typography styles */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text-main);
  line-height: 1.3;
  font-weight: 700;
  text-wrap: balance;
}

h1 { font-size: clamp(1.85rem, 3.6vw, 2.65rem); }
h2 { font-size: clamp(1.5rem, 2.8vw, 2.1rem); }
h3 { font-size: clamp(1.25rem, 2.2vw, 1.5rem); }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.1rem; }

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

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

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

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: clamp(14px, 3vw, 32px);
  padding-right: clamp(14px, 3vw, 32px);
  box-sizing: border-box;
}

/* ==========================================================================
   BUTTONS (BIG BUTTONS FOR 35-60 AGE GROUP)
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 16px;
  font-weight: 700;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
  line-height: 1.3;
  min-height: 48px;
  user-select: none;
  box-sizing: border-box;
  max-width: 100%;
  word-break: normal;
  overflow-wrap: break-word;
}

.btn-lg {
  padding: 14px 28px;
  font-size: 17px;
  min-height: 52px;
  border-radius: var(--radius-md);
}

.btn-sm {
  padding: 9px 18px;
  font-size: 14.5px;
  min-height: 40px;
}

/* CTA: Deep Green Button */
.btn-green {
  background: linear-gradient(145deg, #165640 0%, #0F3F2E 100%);
  color: #FFFFFF !important;
  box-shadow: var(--shadow-green);
  border: 1px solid rgba(197, 160, 89, 0.35);
}
.btn-green:hover {
  background: linear-gradient(145deg, #0F3F2E 0%, #092C20 100%);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(19, 78, 57, 0.35);
}

/* CTA: Gold Vàng Đồng Button */
.btn-gold {
  background: linear-gradient(135deg, #D9B44A 0%, #C5A059 100%);
  color: #1F1914 !important;
  box-shadow: var(--shadow-gold);
  border: 1px solid #E5C775;
}
.btn-gold:hover {
  background: linear-gradient(135deg, #C5A059 0%, #B08C43 100%);
  transform: translateY(-2px);
  box-shadow: 0 8px 26px rgba(197, 160, 89, 0.4);
}

/* Outline Buttons */
.btn-outline-green {
  border: 2px solid var(--green-deep);
  color: var(--green-deep);
  background: transparent;
}
.btn-outline-green:hover {
  background: var(--green-deep);
  color: #FFFFFF !important;
  transform: translateY(-2px);
}

.btn-outline-gold {
  border: 2px solid var(--gold-accent);
  color: var(--gold-hover);
  background: transparent;
}
.btn-outline-gold:hover {
  background: var(--gold-accent);
  color: #1F1914 !important;
  transform: translateY(-2px);
}

/* ==========================================================================
   TOPBAR & HEADER NAVIGATION (FIXED WRAPPING ISSUES)
   ========================================================================== */
.topbar {
  background: #211A14;
  color: #DCD3C5;
  font-size: 13.5px;
  padding: 7px 0;
  border-bottom: 1px solid rgba(197, 160, 89, 0.22);
}
.topbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.topbar-info {
  display: flex;
  gap: 20px;
  align-items: center;
  flex-wrap: wrap;
}
.topbar-info span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.topbar-actions {
  display: flex;
  gap: 14px;
  align-items: center;
}
.topbar-actions a {
  color: var(--gold-accent);
  font-weight: 600;
}
.topbar-actions a:hover {
  color: #FFFFFF;
}

/* ==========================================================================
   HEADER: STREAMLINED LUXURY SINGLE-ROW (GỌN GÀNG TRÊN 1 HÀNG)
   Bên trái: Logo thương hiệu
   Ở giữa: Thanh Menu danh mục đã rút gọn nhãn (Bát Tự, Phong Thủy, Giới Thiệu)
   Bên phải: Tiện ích Tìm kiếm, Tài khoản, Giỏ hàng
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(248, 245, 238, 0.98);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-light);
  box-shadow: 0 4px 18px rgba(44, 34, 25, 0.05);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 74px;
  gap: 16px;
  flex-wrap: nowrap;
}

/* Logo Bên Trái */
.site-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-symbol {
  width: 44px;
  height: 44px;
  background: var(--green-deep);
  color: var(--gold-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-title-oriental);
  font-size: 20px;
  font-weight: 700;
  border: 2px solid var(--gold-accent);
  box-shadow: var(--shadow-sm);
  flex-shrink: 0;
}
.logo-text h2 {
  font-family: var(--font-title-oriental);
  font-size: 17.5px;
  letter-spacing: 1px;
  color: var(--green-deep);
  margin-bottom: 1px;
  text-transform: uppercase;
  white-space: nowrap;
}
.logo-text p {
  font-size: 10px;
  color: var(--gold-hover);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  font-weight: 600;
  white-space: nowrap;
}

/* Menu Ở Giữa */
.main-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 1;
  margin: 0;
  padding: 0;
  border: none;
  background: transparent;
}
.nav-list {
  display: flex;
  list-style: none;
  gap: clamp(4px, 0.6vw, 10px);
  align-items: center;
  justify-content: center;
  margin: 0;
  padding: 0;
}
.nav-link {
  display: inline-block;
  padding: 8px clamp(11px, 0.9vw, 15px);
  font-size: 15px;
  font-weight: 600;
  color: var(--text-main);
  border-radius: var(--radius-sm);
  position: relative;
  white-space: nowrap;
  transition: var(--transition);
}
.nav-link:hover, .nav-link.active {
  color: var(--green-deep);
  background: rgba(19, 78, 57, 0.08);
}
.nav-link.active::after {
  content: "";
  position: absolute;
  bottom: 2px;
  left: 10px;
  right: 10px;
  height: 2px;
  background: var(--gold-accent);
  border-radius: 2px;
}

/* Tiện ích Bên Phải */
.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.action-icon-btn {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: #FFFFFF;
  border: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-main);
  position: relative;
  transition: var(--transition);
  cursor: pointer;
}
.action-icon-btn:hover {
  background: var(--green-deep);
  color: #FFFFFF;
  border-color: var(--green-deep);
  transform: translateY(-2px);
}

.cart-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  background: #B83A3A;
  color: #FFFFFF;
  font-size: 11px;
  font-weight: 700;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid #FFFFFF;
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border-light);
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  font-size: 22px;
  cursor: pointer;
  color: var(--text-main);
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}
.mobile-menu-toggle:hover {
  background: var(--green-deep);
  color: #FFFFFF;
}

/* Mobile Off-canvas Drawer */
.mobile-drawer-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(27, 21, 16, 0.65);
  backdrop-filter: blur(4px);
  z-index: 2000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}
.mobile-drawer-overlay.open {
  opacity: 1;
  visibility: visible;
}
.mobile-drawer {
  position: fixed;
  top: 0;
  right: -320px;
  width: 300px;
  height: 100%;
  background: #FFFFFF;
  z-index: 2001;
  padding: 24px;
  box-shadow: -8px 0 30px rgba(0,0,0,0.15);
  display: flex;
  flex-direction: column;
  transition: right 0.32s cubic-bezier(0.16, 1, 0.3, 1);
  overflow-y: auto;
}
.mobile-drawer-overlay.open .mobile-drawer {
  right: 0;
}
.mobile-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-light);
  margin-bottom: 20px;
}
.drawer-close-btn {
  background: none;
  border: none;
  font-size: 28px;
  cursor: pointer;
  color: var(--text-main);
  padding: 4px;
}
.mobile-drawer-nav {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.mobile-drawer-nav a {
  display: block;
  padding: 12px 16px;
  font-size: 16px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  color: var(--text-main);
}
.mobile-drawer-nav a:hover, .mobile-drawer-nav a.active {
  background: var(--green-light);
  color: var(--green-deep);
}

/* Utility Classes */
.text-center {
  text-align: center !important;
}
.text-left {
  text-align: left !important;
}
.text-right {
  text-align: right !important;
}

/* ==========================================================================
   SECTION DECORATIONS (VẠCH NGANG TRANG TRÍ Á ĐÔNG)
   ========================================================================== */
.section-header {
  text-align: center;
  margin-bottom: clamp(30px, 5vw, 46px);
  position: relative;
  width: 100%;
}

.section-title-wrap {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin: 0 auto;
  text-align: center;
  max-width: 100%;
}

.section-title-wrap::before,
.section-title-wrap::after {
  content: "";
  display: inline-block;
  width: clamp(24px, 4vw, 50px);
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold-accent));
}
.section-title-wrap::after {
  background: linear-gradient(90deg, var(--gold-accent), transparent);
}

.section-title {
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--green-deep);
  text-align: center;
  text-wrap: normal;
}

.section-subtitle {
  color: var(--text-muted);
  font-size: clamp(15px, 1.8vw, 17.5px);
  margin-top: 8px;
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
  text-align: center;
}

/* Ensure all subpage title banners are centered */
section[style*="background: var(--bg-secondary)"] {
  text-align: center;
}

/* ==========================================================================
   HERO BANNER & BÁT TỰ FORM (PERFECTED RESPONSIVE LAYOUT)
   ========================================================================== */
.hero-section {
  position: relative;
  padding: clamp(40px, 6vw, 75px) 0 clamp(50px, 7vw, 85px);
  background: linear-gradient(180deg, #F5EFE3 0%, #F9F6F0 100%);
  overflow: hidden;
}

.hero-section::before {
  content: "";
  position: absolute;
  top: -120px;
  right: -100px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(197, 160, 89, 0.14) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

/* Bố cục Hero Trên - Dưới (Stacked Layout) */
.hero-stacked {
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 1080px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.hero-top-intro {
  text-align: center;
  max-width: 900px;
  margin: 0 auto clamp(28px, 4.5vw, 42px);
}

.hero-top-intro h1 {
  font-size: clamp(28px, 3.6vw, 44px);
  color: var(--green-deep);
  margin-bottom: 16px;
  line-height: 1.28;
  letter-spacing: -0.3px;
  text-wrap: balance;
}

.hero-top-intro .hero-highlight {
  color: var(--gold-hover);
  position: relative;
  white-space: nowrap;
}
@media (max-width: 767px) {
  .hero-top-intro .hero-highlight {
    white-space: normal;
  }
}

.hero-top-intro .hero-lead {
  font-size: clamp(16px, 1.8vw, 18.5px);
  color: var(--text-muted);
  margin-bottom: 24px;
  line-height: 1.65;
  max-width: 780px;
  margin-left: auto;
  margin-right: auto;
}

.hero-features-row {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.hero-feature-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(8px);
  border: 1px solid var(--gold-border);
  border-radius: var(--radius-full);
  padding: 8px 18px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-main);
  box-shadow: 0 2px 10px rgba(44, 34, 25, 0.04);
}

.hero-feature-pill svg {
  color: var(--green-deep);
  flex-shrink: 0;
}

.hero-form-card-wide {
  width: 100%;
  max-width: 920px;
  margin: 0 auto;
}

.form-row-3 {
  display: grid;
  grid-template-columns: 1.25fr 1fr 1fr;
  gap: 14px;
  margin-bottom: 16px;
}
@media (max-width: 860px) {
  .form-row-3 {
    grid-template-columns: 1fr;
  }
}

.hero-btns-center {
  display: flex;
  justify-content: center;
  gap: 14px;
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px dashed var(--border-light);
  flex-wrap: wrap;
}

/* Legacy side-by-side support */
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: clamp(28px, 4vw, 50px);
  align-items: center;
  min-width: 0;
  max-width: 100%;
}

.hero-content {
  display: flex;
  flex-direction: column;
  min-width: 0;
  max-width: 100%;
}

.hero-content h1 {
  color: var(--green-deep);
  margin-bottom: 18px;
  line-height: 1.28;
  letter-spacing: -0.3px;
  word-break: normal;
  overflow-wrap: break-word;
}

.desktop-br {
  display: block;
}
@media (max-width: 991px) {
  .desktop-br {
    display: none;
  }
}

.hero-content .hero-highlight {
  color: var(--gold-hover);
  position: relative;
  white-space: nowrap;
}
@media (max-width: 767px) {
  .hero-content .hero-highlight {
    white-space: normal;
  }
}

.hero-lead {
  font-size: clamp(16px, 1.8vw, 18.5px);
  color: var(--text-muted);
  margin-bottom: 24px;
  line-height: 1.65;
}

.hero-features {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 28px;
}

.hero-feature-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: clamp(15px, 1.6vw, 16.5px);
  font-weight: 600;
  color: var(--text-main);
}
.hero-feature-item svg {
  color: var(--green-deep);
  flex-shrink: 0;
}

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

/* Hero Quick Form Card */
.hero-form-card {
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  padding: clamp(24px, 3.5vw, 36px) clamp(20px, 3vw, 32px);
  border: 1px solid var(--border-light);
  box-shadow: 0 14px 40px rgba(44, 34, 25, 0.09);
  position: relative;
}

.hero-form-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 20%;
  right: 20%;
  height: 4px;
  background: linear-gradient(90deg, var(--gold-accent), var(--green-deep), var(--gold-accent));
  border-radius: 4px 4px 0 0;
}

.form-card-title {
  text-align: center;
  margin-bottom: 20px;
}
.form-card-title h3 {
  font-size: clamp(18px, 2.2vw, 22px);
  color: var(--green-deep);
  margin-bottom: 6px;
  letter-spacing: 0.5px;
}
.form-card-title p {
  font-size: 14.5px;
  color: var(--text-muted);
}

.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 6px;
}

.form-control {
  width: 100%;
  padding: 12px 15px;
  font-size: 15.5px;
  color: var(--text-main);
  background: #FCFAF6;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  outline: none;
  transition: var(--transition);
  min-height: 48px;
}
.form-control:focus {
  border-color: var(--green-deep);
  background: #FFFFFF;
  box-shadow: 0 0 0 3px rgba(19, 78, 57, 0.12);
}

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

/* Radio chips */
.radio-group-oriental {
  display: flex;
  gap: 8px;
  background: #F4EFE6;
  padding: 5px;
  border-radius: var(--radius-sm);
  min-height: 48px;
  align-items: center;
}
.radio-chip {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 7px 10px;
  cursor: pointer;
  border-radius: 6px;
  font-size: 14.5px;
  font-weight: 600;
  transition: var(--transition);
  user-select: none;
  text-align: center;
}
.radio-chip input {
  display: none;
}
.radio-chip.active {
  background: #FFFFFF;
  color: var(--green-deep);
  box-shadow: 0 2px 6px rgba(0,0,0,0.06);
  border: 1px solid rgba(197, 160, 89, 0.4);
}

/* Badge tự sinh Âm lịch khi nhập Dương lịch */
.lunar-auto-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 8px;
  padding: 8px 12px;
  background: #F5EFE6;
  border: 1px solid rgba(197, 160, 89, 0.45);
  border-left: 3px solid var(--gold);
  border-radius: var(--radius-sm);
  font-size: 13.5px;
  color: var(--green-deep);
  box-shadow: 0 1px 3px rgba(0,0,0,0.03);
  transition: all 0.25s ease;
  line-height: 1.4;
}

.lunar-auto-badge .lunar-tag {
  display: inline-flex;
  align-items: center;
  background: var(--green-deep);
  color: #FFFFFF;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.5px;
  padding: 2px 7px;
  border-radius: 4px;
  white-space: nowrap;
  flex-shrink: 0;
}

.lunar-auto-badge .lunar-text {
  font-weight: 600;
  color: var(--green-deep);
  word-break: break-word;
}

/* ==========================================================================
   KHỐI CHUYÊN GIA / THƯƠNG HIỆU (CÔ NGÂN TATU)
   ========================================================================== */
.expert-section {
  padding: clamp(50px, 7vw, 85px) 0;
  background: var(--bg-surface);
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

.expert-grid {
  display: grid;
  grid-template-columns: 400px 1fr;
  gap: clamp(30px, 5vw, 55px);
  align-items: center;
}

.expert-image-wrapper {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 5px solid #F6F1E5;
}

.expert-image-wrapper img {
  width: 100%;
  height: clamp(380px, 45vw, 470px);
  object-fit: cover;
}

.expert-badge {
  position: absolute;
  bottom: 16px;
  left: 16px;
  right: 16px;
  background: rgba(19, 78, 57, 0.94);
  color: #FFFFFF;
  padding: 12px 18px;
  border-radius: var(--radius-md);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--gold-accent);
  text-align: center;
}
.expert-badge strong {
  display: block;
  font-family: var(--font-heading);
  font-size: 19px;
  color: var(--gold-accent);
}
.expert-badge span {
  font-size: 13.5px;
}

.expert-bio-tag {
  display: inline-block;
  padding: 5px 14px;
  background: var(--gold-light);
  color: var(--gold-hover);
  border: 1px solid var(--gold-border);
  font-size: 13.5px;
  font-weight: 700;
  border-radius: var(--radius-full);
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.expert-content h2 {
  color: var(--green-deep);
  margin-bottom: 18px;
}

.expert-desc {
  font-size: clamp(15.5px, 1.7vw, 17.5px);
  color: var(--text-muted);
  margin-bottom: 26px;
  line-height: 1.75;
}

.expert-highlights {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 30px;
}

.highlight-box {
  background: var(--bg-primary);
  border-radius: var(--radius-md);
  padding: 16px 12px;
  text-align: center;
  border: 1px solid var(--border-light);
}
.highlight-box .num {
  font-family: var(--font-heading);
  font-size: clamp(22px, 3vw, 28px);
  font-weight: 700;
  color: var(--green-deep);
  margin-bottom: 4px;
}
.highlight-box .label {
  font-size: 13.5px;
  color: var(--text-muted);
}

/* ==========================================================================
   DỊCH VỤ NỔI BẬT (5 KHỐI HÀNG NGANG)
   ========================================================================== */
.services-section {
  padding: clamp(50px, 7vw, 85px) 0;
  background: var(--bg-primary);
}

.services-grid-5 {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 18px;
}

.service-card-zen {
  background: #FFFFFF;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 26px 18px;
  text-align: center;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow-sm);
  position: relative;
}
.service-card-zen:hover {
  transform: translateY(-6px);
  border-color: var(--gold-accent);
  box-shadow: var(--shadow-md);
}

.service-icon-wrap {
  width: 64px;
  height: 64px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: var(--green-light);
  color: var(--green-deep);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  border: 2px solid #D5E5DD;
  transition: var(--transition);
}

.service-card-zen:hover .service-icon-wrap {
  background: var(--green-deep);
  color: var(--gold-accent);
  border-color: var(--gold-accent);
}

.service-card-zen h4 {
  font-size: 17px;
  color: var(--text-main);
  margin-bottom: 8px;
}

.service-card-zen p {
  font-size: 14.5px;
  color: var(--text-muted);
  margin-bottom: 16px;
  line-height: 1.5;
}

.service-card-link {
  font-size: 14.5px;
  font-weight: 700;
  color: var(--gold-hover);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin-top: auto;
}

/* ==========================================================================
   KHỐI CÔNG CỤ TRA CỨU NHANH (6 TIỆN ÍCH HÀNG NGANG)
   ========================================================================== */
.tools-section {
  padding: clamp(50px, 6vw, 75px) 0;
  background: #231C16;
  color: #FFFFFF;
  position: relative;
}

.tools-section .section-title {
  color: var(--gold-accent);
}

.tools-section .section-subtitle {
  color: #C0B4A4;
}

.tools-grid-6 {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
}

.tool-item-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(197, 160, 89, 0.22);
  border-radius: var(--radius-md);
  padding: 22px 12px;
  text-align: center;
  transition: var(--transition);
  cursor: pointer;
  display: block;
}
.tool-item-card:hover {
  background: rgba(197, 160, 89, 0.15);
  border-color: var(--gold-accent);
  transform: translateY(-4px);
}

.tool-icon-circle {
  width: 52px;
  height: 52px;
  margin: 0 auto 12px;
  border-radius: 50%;
  background: rgba(19, 78, 57, 0.85);
  border: 1px solid var(--gold-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold-accent);
  font-size: 22px;
}

.tool-item-card h5 {
  font-size: 17px;
  color: #FFFFFF;
  margin-bottom: 5px;
  font-weight: 700;
}

.tool-item-card span {
  font-size: 15.5px;
  color: #D6CBC0;
  display: block;
  font-weight: 500;
  line-height: 1.4;
}

/* ==========================================================================
   KHỐI DỰ ÁN THỰC TẾ (GRID 3 CỘT)
   ========================================================================== */
.projects-section {
  padding: clamp(50px, 7vw, 85px) 0;
  background: var(--bg-surface);
}

.section-header-flex {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 34px;
  gap: 16px;
  flex-wrap: wrap;
}

.view-all-link {
  font-size: 16px;
  font-weight: 700;
  color: var(--green-deep);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  background: var(--green-light);
  transition: var(--transition);
  white-space: nowrap;
}
.view-all-link:hover {
  background: var(--green-deep);
  color: #FFFFFF;
}

.projects-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.project-card {
  background: #FFFFFF;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.project-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}

.project-thumb {
  position: relative;
  height: 230px;
  overflow: hidden;
}
.project-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.project-card:hover .project-thumb img {
  transform: scale(1.05);
}

.project-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(19, 78, 57, 0.92);
  color: #FFFFFF;
  font-size: 12.5px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--gold-accent);
}

.project-info {
  padding: 20px;
  text-align: center;
}
.project-title {
  font-size: 18px;
  margin-bottom: 6px;
  color: var(--text-main);
}
.project-location {
  font-size: 14.5px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

/* ==========================================================================
   KHỐI SẢN PHẨM / VẬT PHẨM (GRID 4 & GRID 5 CỘT)
   ========================================================================== */
.products-section {
  padding: clamp(50px, 7vw, 85px) 0;
  background: var(--bg-primary);
}

.products-grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.products-grid-5 {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 18px;
}

.product-card {
  background: #FFFFFF;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.product-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: var(--gold-accent);
}

.product-thumb {
  position: relative;
  height: 210px;
  background: #FAF8F5;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.product-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.product-card:hover .product-thumb img {
  transform: scale(1.06);
}

.product-info {
  padding: 16px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.product-cat {
  font-size: 12.5px;
  color: var(--gold-hover);
  text-transform: uppercase;
  font-weight: 700;
  margin-bottom: 5px;
}

.product-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 8px;
  line-height: 1.4;
  height: 44px;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.product-price-row {
  margin-top: auto;
  margin-bottom: 12px;
}

.product-price {
  font-size: 18px;
  font-weight: 800;
  color: #B83A3A;
}
.product-price-old {
  font-size: 13.5px;
  color: var(--text-light);
  text-decoration: line-through;
  margin-left: 6px;
}

.btn-add-cart {
  width: 100%;
  background: var(--bg-secondary);
  color: var(--green-deep);
  border: 1px solid var(--border-subtle);
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 14.5px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: var(--transition);
}
.btn-add-cart:hover {
  background: var(--green-deep);
  color: #FFFFFF;
  border-color: var(--green-deep);
}

/* ==========================================================================
   KHỐI KIẾN THỨC MỚI (LIST VIEW 3 BÀI XẾP DỌC)
   ========================================================================== */
.knowledge-section {
  padding: clamp(50px, 7vw, 85px) 0;
  background: var(--bg-surface);
}

.knowledge-list-vertical {
  display: flex;
  flex-direction: column;
  gap: 22px;
  max-width: 980px;
  margin: 0 auto;
}

.knowledge-item-card {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 24px;
  background: var(--bg-primary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
  height: 220px;
}
.knowledge-item-card:hover {
  transform: translateX(6px);
  border-color: var(--gold-accent);
  box-shadow: var(--shadow-md);
}

.knowledge-thumb {
  width: 260px;
  height: 100%;
  position: relative;
  overflow: hidden;
  flex-shrink: 0;
}
.knowledge-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}
.knowledge-item-card:hover .knowledge-thumb img {
  transform: scale(1.05);
}

.knowledge-body {
  padding: 18px 22px 18px 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
}

.knowledge-meta {
  display: flex;
  gap: 14px;
  font-size: 13.5px;
  color: var(--text-light);
  margin-bottom: 6px;
  flex-wrap: wrap;
}
.knowledge-meta span {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.knowledge-title {
  font-size: clamp(16.5px, 1.8vw, 19px);
  color: var(--text-main);
  margin-bottom: 6px;
  line-height: 1.35;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.knowledge-item-card:hover .knowledge-title {
  color: var(--green-deep);
}

.knowledge-excerpt {
  font-size: 14.5px;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.knowledge-readmore {
  font-size: 14px;
  font-weight: 700;
  color: var(--gold-hover);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: auto;
}

/* ==========================================================================
   KHỐI VIDEO YOUTUBE
   ========================================================================== */
.video-section {
  padding: clamp(50px, 6vw, 75px) 0;
  background: #211A14;
  color: #FFFFFF;
}

.video-section .section-title {
  color: var(--gold-accent);
}

.video-grid {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: 28px;
  align-items: center;
}

.video-featured-player {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
  border: 2px solid rgba(197, 160, 89, 0.4);
  padding-bottom: 56.25%; /* 16:9 ratio */
  height: 0;
}
.video-featured-player iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.video-playlist {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.video-playlist-item {
  display: flex;
  gap: 12px;
  background: rgba(255, 255, 255, 0.05);
  padding: 12px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.1);
  cursor: pointer;
  transition: var(--transition);
}
.video-playlist-item:hover, .video-playlist-item.active {
  background: rgba(197, 160, 89, 0.15);
  border-color: var(--gold-accent);
}

.video-playlist-thumb {
  width: 110px;
  height: 65px;
  border-radius: 6px;
  overflow: hidden;
  flex-shrink: 0;
}
.video-playlist-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.video-playlist-info h5 {
  font-size: 14.5px;
  color: #FFFFFF;
  line-height: 1.35;
  margin-bottom: 4px;
}
.video-playlist-info span {
  font-size: 12.5px;
  color: #BDB09E;
}

/* ==========================================================================
   KHỐI ĐÁNH GIÁ KHÁCH HÀNG (CAROUSEL)
   ========================================================================== */
.testimonials-section {
  padding: clamp(50px, 7vw, 85px) 0;
  background: var(--bg-primary);
}

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

.testimonial-card-zen {
  background: #FFFFFF;
  border-radius: var(--radius-md);
  padding: 26px;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
}

.testimonial-stars {
  color: #D4AF37;
  font-size: 17px;
  margin-bottom: 12px;
}

.testimonial-quote {
  font-size: 15.5px;
  color: var(--text-main);
  line-height: 1.65;
  font-style: italic;
  margin-bottom: 18px;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.author-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  overflow: hidden;
  border: 2px solid var(--gold-accent);
  flex-shrink: 0;
}
.author-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.author-info h5 {
  font-size: 16px;
  color: var(--green-deep);
  margin-bottom: 2px;
}
.author-info span {
  font-size: 13.5px;
  color: var(--text-muted);
}

.carousel-dots {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 28px;
}
.carousel-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--border-subtle);
  cursor: pointer;
  transition: var(--transition);
}
.carousel-dot.active {
  background: var(--green-deep);
  width: 32px;
  border-radius: 10px;
}

/* ==========================================================================
   KHỐI ĐẶT LỊCH TƯ VẤN (CTA ZALO)
   ========================================================================== */
.cta-zalo-section {
  padding: clamp(40px, 5vw, 60px) 0;
  background: linear-gradient(135deg, #134E39 0%, #0A2E20 100%);
  color: #FFFFFF;
  position: relative;
  overflow: hidden;
  border-top: 2px solid var(--gold-accent);
}

.cta-zalo-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  flex-wrap: wrap;
}

.cta-zalo-text h2 {
  color: #FFFFFF;
  margin-bottom: 8px;
}
.cta-zalo-text p {
  font-size: clamp(15.5px, 1.8vw, 17.5px);
  color: #E2EFE9;
}

.btn-zalo-big {
  background: #0068FF;
  color: #FFFFFF !important;
  font-size: 18px;
  font-weight: 700;
  padding: 15px 32px;
  border-radius: var(--radius-md);
  box-shadow: 0 8px 24px rgba(0, 104, 255, 0.4);
  display: inline-flex;
  align-items: center;
  gap: 12px;
  white-space: nowrap;
}
.btn-zalo-big:hover {
  background: #0056D6;
  transform: translateY(-2px);
}

/* ==========================================================================
   FOOTER (THÔNG TIN CÔNG TY & LIÊN HỆ)
   ========================================================================== */
.site-footer {
  background: #19140F;
  color: #CFC5B8;
  padding: clamp(50px, 6vw, 70px) 0 24px;
  font-size: 14.5px;
  border-top: 1px solid rgba(197, 160, 89, 0.3);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.35fr 1fr 1fr 1.2fr;
  gap: clamp(24px, 3.5vw, 40px);
  margin-bottom: 40px;
}

.footer-col h4 {
  font-family: var(--font-title-oriental);
  font-size: 17px;
  color: var(--gold-accent);
  margin-bottom: 18px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.footer-desc {
  line-height: 1.7;
  margin-bottom: 18px;
}

.footer-contact-list, .footer-links-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-contact-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}
.footer-contact-list svg {
  color: var(--gold-accent);
  flex-shrink: 0;
  margin-top: 3px;
}
.footer-links-list a:hover {
  color: var(--gold-accent);
  padding-left: 5px;
}

.footer-bottom {
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13.5px;
  color: #8C8072;
  gap: 16px;
  flex-wrap: wrap;
}

/* ==========================================================================
   BÁT TỰ & BẢNG TỨ TRỤ & MÃ QR THANH TOÁN
   ========================================================================== */
.chart-result-box {
  background: #FFFFFF;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  padding: clamp(20px, 3vw, 32px);
  margin-bottom: 30px;
  box-shadow: var(--shadow-sm);
}

.four-pillars-table-wrapper {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 18px 0;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-light);
}

.four-pillars-table {
  width: 100%;
  min-width: 600px;
  border-collapse: collapse;
  text-align: center;
}
.four-pillars-table th, .four-pillars-table td {
  border: 1px solid var(--border-light);
  padding: 12px 10px;
  font-size: 15.5px;
}
.four-pillars-table th {
  background: var(--bg-secondary);
  color: var(--green-deep);
  font-weight: 700;
}
.pillar-can {
  font-weight: 700;
  font-size: 17.5px;
  color: #B83A3A;
}
.pillar-chi {
  font-weight: 700;
  font-size: 17.5px;
  color: var(--green-deep);
}

/* Paywall VIP Lock Overlay */
.vip-lock-container {
  position: relative;
  margin-top: 30px;
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  border: 2px dashed var(--gold-accent);
  padding: clamp(24px, 4vw, 40px);
  text-align: center;
  box-shadow: var(--shadow-md);
}

.vip-badge-ribbon {
  display: inline-block;
  background: linear-gradient(135deg, #D4AF37 0%, #C5A059 100%);
  color: #1F1914;
  font-weight: 800;
  padding: 7px 20px;
  border-radius: var(--radius-full);
  font-size: 15px;
  text-transform: uppercase;
  margin-bottom: 14px;
  box-shadow: var(--shadow-gold);
}

.vip-blur-preview {
  filter: blur(5px);
  user-select: none;
  opacity: 0.45;
  pointer-events: none;
  text-align: left;
  margin-bottom: -120px;
}

.vip-card-cta {
  position: relative;
  z-index: 5;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  max-width: 640px;
  margin: 0 auto;
  padding: clamp(24px, 3.5vw, 36px);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-lg);
}

/* QR Payment Box */
.qr-payment-card {
  background: #FFFFFF;
  border: 2px solid var(--green-deep);
  border-radius: var(--radius-lg);
  padding: 24px;
  text-align: center;
  box-shadow: var(--shadow-lg);
  max-width: 500px;
  margin: 0 auto;
}

.qr-code-img {
  width: 220px;
  height: 220px;
  margin: 14px auto;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 8px;
  background: #FFFFFF;
}

.payment-status-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #FFF3CD;
  color: #856404;
  padding: 8px 16px;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 14.5px;
  margin: 12px 0;
}
.payment-status-badge.success {
  background: #D4EDDA;
  color: #155724;
}

/* Toast */
.zen-toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--green-deep);
  color: #FFFFFF;
  padding: 14px 22px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 9999;
  border: 1px solid var(--gold-accent);
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.3s ease;
  pointer-events: none;
  max-width: calc(100vw - 48px);
}
.zen-toast.show {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

/* Modal */
.zen-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(27, 21, 16, 0.7);
  backdrop-filter: blur(5px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  padding: 16px;
}
.zen-modal-overlay.open {
  opacity: 1;
  visibility: visible;
}
.zen-modal-content {
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  max-width: 660px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-lg);
  position: relative;
  padding: clamp(24px, 4vw, 36px);
  transform: scale(0.95);
  transition: all 0.3s ease;
}
.zen-modal-overlay.open .zen-modal-content {
  transform: scale(1);
}
.modal-close-btn {
  position: absolute;
  top: 14px;
  right: 14px;
  background: var(--bg-secondary);
  border: none;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  font-size: 20px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-main);
}
.modal-close-btn:hover {
  background: var(--green-deep);
  color: #FFFFFF;
}

/* ==========================================================================
   SUBPAGE LAYOUTS & COMPONENT GRIDS
   ========================================================================== */
.bat-tu-form-actions {
  display: flex;
  gap: 16px;
  margin-top: 14px;
  flex-wrap: wrap;
}
.bat-tu-form-actions button {
  flex: 2;
}
.bat-tu-form-actions a {
  flex: 1;
}

.bat-tu-analysis-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 24px;
  margin-top: 24px;
}

.bat-tu-pricing-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 24px;
}

.pricing-card-wrap {
  max-width: 960px;
  margin: 60px auto 0;
  background: var(--bg-surface);
  padding: 34px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  box-sizing: border-box;
}

.phong-thuy-main-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr);
  gap: 40px;
  align-items: start;
}

.phong-thuy-directions-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 14px;
  font-size: 15px;
}

.day-params-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  text-align: center;
}

.featured-news-card {
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  margin-bottom: 50px;
}
.featured-news-img {
  height: 380px;
}
.featured-news-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.featured-news-content {
  padding: 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.news-list-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 30px;
}

.product-cta-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 16px;
  margin-top: 30px;
}

/* ==========================================================================
   COMPREHENSIVE RESPONSIVE BREAKPOINTS (ALL SCREEN SIZES)
   ========================================================================== */

/* 1. Large Desktop & Laptops (992px and up) */
@media (min-width: 992px) {
  .main-nav {
    display: flex !important;
  }
  .mobile-menu-toggle {
    display: none !important;
  }
}

/* 2. Tablets & Mobile (< 992px): Compact header with Off-canvas Drawer */
@media (max-width: 991px) {
  .site-header .container {
    padding-left: 14px;
    padding-right: 14px;
  }
  .header-inner {
    height: 64px;
    padding-top: 0;
    padding-bottom: 0;
    gap: 10px;
    justify-content: space-between;
  }
  .main-nav {
    display: none !important;
  }
  .site-logo {
    gap: 8px;
    max-width: calc(100% - 105px);
    min-width: 0;
  }
  .logo-symbol {
    width: 36px;
    height: 36px;
    font-size: 16px;
    border-width: 1.5px;
    flex-shrink: 0;
  }
  .logo-text {
    min-width: 0;
    overflow: hidden;
  }
  .logo-text h2 {
    font-size: 14.5px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  .logo-text p {
    font-size: 8.5px;
    letter-spacing: 0.8px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  
  .header-actions {
    gap: 8px;
    flex-shrink: 0;
  }
  .action-icon-btn {
    width: 38px;
    height: 38px;
  }
  /* On mobile header, hide search and user icons to prevent pushing toggle button offscreen */
  .header-actions .header-search-btn,
  .header-actions .header-user-btn,
  .header-actions a[href*="tai-khoan"],
  .header-actions button[title*="Tìm kiếm"],
  .header-actions a[title*="Tài khoản"] {
    display: none !important;
  }
  .mobile-menu-toggle {
    display: inline-flex !important;
    width: 38px;
    height: 38px;
    font-size: 20px;
  }

  /* Grid adaptations for tablets */
  .hero-grid {
    grid-template-columns: minmax(0, 1fr) !important;
    max-width: 100%;
    min-width: 0;
    gap: 32px;
  }
  .hero-grid > * {
    min-width: 0 !important;
    max-width: 100% !important;
    box-sizing: border-box;
  }
  .hero-content {
    text-align: center;
  }
  .hero-content h1 {
    margin-left: auto;
    margin-right: auto;
  }
  .hero-lead {
    margin-left: auto;
    margin-right: auto;
  }
  .hero-features {
    align-items: center;
  }
  .hero-btns {
    justify-content: center;
  }
  .hero-form-card {
    max-width: 580px;
    margin: 0 auto;
    width: 100%;
  }

  .expert-grid {
    grid-template-columns: 1fr;
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
  }
  .expert-image-wrapper {
    max-width: 400px;
    margin: 0 auto;
  }

  .services-grid-5 {
    grid-template-columns: repeat(3, 1fr);
  }
  .tools-grid-6 {
    grid-template-columns: repeat(3, 1fr);
  }
  .products-grid-5 {
    grid-template-columns: repeat(3, 1fr);
  }
  .products-grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .projects-grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
  .video-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1.2fr 1fr;
  }
  .testimonials-grid-3 {
    grid-template-columns: 1fr;
    max-width: 600px;
    margin: 0 auto;
  }
  .cta-zalo-inner {
    flex-direction: column;
    text-align: center;
    justify-content: center;
  }
}

/* 3. Mobile Phones (< 768px): Zero-overflow, fluid Zen layout */
@media (max-width: 767px) {
  /* Topbar: Single sleek row on mobile */
  .topbar {
    padding: 5px 0;
  }
  .topbar .container {
    flex-wrap: nowrap;
    justify-content: space-between;
    align-items: center;
    gap: 8px;
    padding-left: 14px;
    padding-right: 14px;
  }
  .topbar-info {
    gap: 0;
    margin: 0;
  }
  /* Hide physical address and hours on mobile, retain hotline */
  .topbar-info span:first-child,
  .topbar-info span:last-child {
    display: none !important;
  }
  .topbar-info span {
    font-size: 11.5px;
    white-space: nowrap;
  }
  .topbar-actions {
    font-size: 11.5px;
    gap: 6px;
    white-space: nowrap;
    margin: 0;
  }

  /* Section Titles */
  .section-header {
    margin-bottom: 24px;
  }
  .section-title-wrap {
    gap: 8px;
    max-width: 100%;
  }
  .section-title-wrap::before,
  .section-title-wrap::after {
    width: 16px !important;
    flex-shrink: 0;
  }
  .section-title {
    font-size: clamp(17px, 5.2vw, 21px);
    letter-spacing: 0.8px;
  }
  .section-subtitle {
    font-size: 13.5px;
    line-height: 1.5;
    margin-top: 6px;
    padding: 0 4px;
  }

  /* Hero Section */
  .hero-section {
    padding: 20px 0 32px;
    overflow: hidden;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
  }
  .hero-section::before {
    display: none !important;
  }
  .hero-stacked {
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box;
  }
  .hero-top-intro {
    text-align: center;
    margin-bottom: 20px;
    width: 100%;
    box-sizing: border-box;
  }
  .hero-top-intro h1 {
    font-size: clamp(21px, 5.5vw, 26px) !important;
    line-height: 1.35;
    margin-bottom: 12px;
    word-break: normal;
    overflow-wrap: break-word;
  }
  .hero-top-intro .hero-highlight {
    display: inline !important;
    white-space: normal !important;
  }
  .hero-top-intro .hero-lead {
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 16px;
    padding: 0 4px;
  }
  .hero-features-row {
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    width: 100%;
    box-sizing: border-box;
  }
  .hero-feature-pill {
    font-size: 13px;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    justify-content: flex-start;
    text-align: left;
    box-sizing: border-box;
    width: 100%;
  }
  .hero-form-card-wide {
    padding: 20px 14px !important;
    width: 100% !important;
    box-sizing: border-box;
  }
  .hero-btns-center {
    flex-direction: column;
    gap: 10px;
    width: 100%;
  }
  .hero-btns-center .btn {
    width: 100%;
  }

  /* All buttons on mobile: wrap text safely, no nowrap overflow */
  .btn {
    white-space: normal !important;
    text-align: center;
    max-width: 100% !important;
    word-break: normal;
    overflow-wrap: break-word;
    padding: 12px 14px !important;
    line-height: 1.35;
    box-sizing: border-box;
  }
  .btn-lg {
    font-size: 15px !important;
    padding: 12px 16px !important;
    min-height: 48px !important;
  }

  /* Form inside Hero */
  .hero-form-card {
    padding: 18px 12px !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box;
    overflow: hidden;
  }
  .form-card-title h3 {
    font-size: 18px !important;
    letter-spacing: 0.5px;
    word-break: normal;
    overflow-wrap: break-word;
  }
  .form-card-title p {
    font-size: 13px;
    line-height: 1.45;
  }
  .form-control {
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box;
    font-size: 14px;
    padding: 10px 12px;
  }
  .form-row {
    grid-template-columns: 1fr;
    gap: 10px;
  }
  .radio-group-oriental {
    gap: 4px;
    padding: 4px;
  }
  .radio-chip {
    padding: 6px 8px;
    font-size: 13px;
  }

  /* Expert Block */
  .expert-section {
    padding: 36px 0;
  }
  .expert-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 20px;
  }
  .expert-image-wrapper {
    max-width: 320px;
    margin: 0 auto;
  }
  .expert-image-wrapper img {
    height: 280px;
  }
  .expert-highlights {
    grid-template-columns: minmax(0, 1fr);
    gap: 10px;
  }

  /* Services Grid: 1 column on mobile */
  .services-grid-5 {
    grid-template-columns: minmax(0, 1fr);
    gap: 14px;
  }
  .service-card-zen {
    padding: 20px 16px;
  }

  /* Tools Grid: 2 clean columns */
  .tools-grid-6 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
  }
  .tool-item-card {
    padding: 16px 8px;
  }
  .tool-icon-circle {
    width: 44px;
    height: 44px;
    font-size: 18px;
    margin-bottom: 8px;
  }
  .tool-item-card h5 {
    font-size: 15px;
  }
  .tool-item-card span {
    font-size: 13.5px;
  }

  /* Products Grids: 2 columns */
  .products-grid-5,
  .products-grid-4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
  }
  .product-body {
    padding: 12px 10px;
  }
  .product-title {
    font-size: 14px;
    line-height: 1.35;
  }
  .product-price {
    font-size: 14.5px;
  }
  .btn-add-cart {
    padding: 8px 10px;
    font-size: 13px;
    gap: 4px;
  }

  /* Projects & Knowledge */
  .projects-grid-3 {
    grid-template-columns: minmax(0, 1fr);
    gap: 16px;
  }
  .knowledge-item-card {
    grid-template-columns: minmax(0, 1fr) !important;
    height: auto !important;
    gap: 0 !important;
  }
  .knowledge-thumb {
    width: 100% !important;
    height: 190px !important;
  }
  .knowledge-body {
    padding: 16px !important;
  }

  /* Video & CTA */
  .video-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 18px;
  }
  .btn-zalo-big {
    width: 100%;
    justify-content: center;
    font-size: 15.5px;
    padding: 13px 20px;
    white-space: normal !important;
    text-align: center;
  }

  /* Footer */
  .footer-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
    margin-bottom: 24px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
    gap: 10px;
  }

  /* Mobile Drawer sizing */
  .mobile-drawer {
    width: min(310px, 86vw);
    padding: 20px 16px;
  }

  /* Subpages mobile collapse */
  .bat-tu-form-actions {
    flex-direction: column !important;
    width: 100% !important;
  }
  .bat-tu-form-actions .btn {
    width: 100% !important;
    flex: none !important;
  }
  .bat-tu-analysis-grid {
    grid-template-columns: minmax(0, 1fr) !important;
    gap: 14px !important;
  }
  .bat-tu-pricing-grid {
    grid-template-columns: minmax(0, 1fr) !important;
    gap: 16px !important;
  }
  .pricing-card-wrap {
    padding: 18px 12px !important;
    margin-top: 30px !important;
  }
  .phong-thuy-main-grid {
    grid-template-columns: minmax(0, 1fr) !important;
    gap: 20px !important;
  }
  .phong-thuy-directions-grid {
    grid-template-columns: minmax(0, 1fr) !important;
    gap: 10px !important;
  }
  .day-params-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    gap: 12px !important;
  }
  .featured-news-card {
    grid-template-columns: minmax(0, 1fr) !important;
    margin-bottom: 24px !important;
  }
  .featured-news-img {
    height: 200px !important;
  }
  .featured-news-content {
    padding: 18px 14px !important;
  }
  .news-list-grid {
    grid-template-columns: minmax(0, 1fr) !important;
    gap: 16px !important;
  }
  .product-cta-grid {
    grid-template-columns: minmax(0, 1fr) !important;
    gap: 10px !important;
  }

  /* Padding adjustments across all subpages on mobile */
  section {
    box-sizing: border-box;
  }
  section[style*="padding: 60px 0"],
  section[style*="padding: 40px 0"] {
    padding: 24px 0 !important;
  }
  .chart-result-box {
    padding: 16px 12px !important;
    margin-bottom: 20px !important;
  }
  .vip-lock-container {
    padding: 16px 10px !important;
    margin-top: 20px !important;
  }
  .vip-card-cta {
    padding: 18px 12px !important;
  }
  .qr-payment-card {
    padding: 16px 10px !important;
  }
  .qr-code-img {
    width: 170px !important;
    height: 170px !important;
  }
  .four-pillars-table-wrapper {
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box;
  }
  .four-pillars-table th, 
  .four-pillars-table td {
    padding: 9px 6px !important;
    font-size: 13.5px !important;
  }
  .pillar-can, .pillar-chi {
    font-size: 15px !important;
  }
}

/* 4. Extra Small Devices (< 400px, e.g. iPhone SE, 360px phones) */
@media (max-width: 400px) {
  .logo-text h2 {
    font-size: 13px;
  }
  .logo-text p {
    display: none;
  }
  .products-grid-5,
  .products-grid-4 {
    grid-template-columns: 1fr;
  }
  .topbar-actions span {
    display: none;
  }
  .topbar-actions a {
    font-size: 11px;
  }
  .hero-btns .btn {
    font-size: 14.5px;
    padding: 11px 12px;
  }
}