/*
Theme Name: Két Sắt Pro - Harmonious Luxury Vault
Theme URI: https://ketsatpro.vn
Author: Antigravity Design Studio
Description: Giao diện website bán & giới thiệu két sắt chính hãng với hệ màu sắc thuận mắt, thanh lịch, chuẩn mực thị giác lấy cảm hứng từ Stripe và Mercury Fintech.
Version: 3.6.2
License: GNU General Public License v2 or later
Text Domain: ketsat-theme
*/

/* ==========================================================================
   1. HARMONIOUS COLOR SYSTEM (Bảng màu thuận mắt, dịu nhẹ & đẳng cấp)
   ========================================================================== */
:root {
  /* Tông Màu Chủ Đạo: Xanh Navy Than Chì (Dịu mắt, vững chãi, uy tín) */
  --navy-deep: #0f172a;           /* Navy đêm sâu lắng cho topbar & footer */
  --navy-base: #1e293b;           /* Navy trầm lịch lãm cho tiêu đề */
  --navy-soft: #334155;           /* Slate 700 cho chữ nội dung chính */
  --navy-light: #64748b;          /* Slate 500 cho chữ phụ & chú thích */
  --navy-faint: #94a3b8;          /* Slate 400 cho icon phụ */

  /* Tông Điểm Nhấn: Vàng Hổ Phách & Kim Loại Ấm (Sang trọng, không chói lóa) */
  --gold-primary: #d97706;        /* Hổ phách ấm rực rỡ vừa phải */
  --gold-hover: #b45309;          /* Đồng thau trầm khi rê chuột */
  --gold-light: #fef3c7;          /* Kem vàng dịu nhẹ cho background badge */
  --gold-border: #fde68a;         /* Viền vàng mờ thanh nhã */
  --gold-soft-bg: #fffbeb;        /* Nền vàng kem cực êm mắt */

  /* Màu Giá Tiền & Trạng Thái */
  --price-red: #dc2626;           /* Đỏ đô rõ nét, chuẩn tâm lý người mua */
  --emerald-safe: #059669;        /* Xanh ngọc dịu báo Còn hàng */
  --emerald-bg: #ecfdf5;
  --emerald-border: #a7f3d0;
  
  --ruby-alert: #b91c1c;          /* Báo hết hàng */
  --ruby-bg: #fef2f2;
  --ruby-border: #fecaca;

  /* Nền Trang & Bề Mặt Thẻ (Canvas & Surfaces dịu mắt) */
  --canvas-bg: #f8fafc;           /* Nền xám xanh phấn cực kỳ dịu mắt */
  --card-bg: #ffffff;             /* Trắng tinh khôi */
  --card-subtle: #f1f5f9;         /* Slate 100 cho khối phụ */
  --border-color: #e2e8f0;        /* Viền mảnh 1px mềm mại */
  --border-light: #f1f5f9;

  /* Đổ bóng tự nhiên (Soft Ambient Shadows) */
  --shadow-subtle: 0 1px 3px rgba(15, 23, 42, 0.04), 0 1px 2px rgba(15, 23, 42, 0.02);
  --shadow-card: 0 4px 6px -1px rgba(15, 23, 42, 0.05), 0 2px 4px -2px rgba(15, 23, 42, 0.03);
  --shadow-hover: 0 10px 15px -3px rgba(15, 23, 42, 0.08), 0 4px 6px -4px rgba(15, 23, 42, 0.04);
  --shadow-box: 0 20px 25px -5px rgba(15, 23, 42, 0.08), 0 8px 10px -6px rgba(15, 23, 42, 0.04);

  /* Bo góc công thái học */
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-pill: 9999px;

  /* Typography */
  --font-heading: 'Montserrat', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-body: 'Roboto', -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  
  /* Cấu trúc & Chuyển động */
  --container-max: 1180px;
  --transition-normal: 0.22s cubic-bezier(0.4, 0, 0.2, 1);

  /* Semantic Aliases & Compatibility Tokens */
  --border-subtle: #e2e8f0;
  --shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.04);
  --bg-subtle: #f8fafc;
  --color-primary: #1e293b;
  --text-muted: #64748b;
  --radius-full: 9999px;
}

/* ==========================================================================
   2. RESET & CĂN BẢN
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

:focus-visible {
  outline: 2px solid var(--gold-primary);
  outline-offset: 3px;
}

[id] {
  scroll-margin-top: 85px;
}

.btn:active, .float-btn:active, .finder-tag:active, .cat-card:active {
  transform: scale(0.98);
}

body {
  font-family: var(--font-body);
  font-size: 0.95rem;
  line-height: 1.65;
  color: var(--navy-soft);
  background-color: var(--canvas-bg);
  overflow-x: hidden;
  width: 100%;
  position: relative;
}

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

svg {
  box-sizing: content-box;
  flex-shrink: 0;
  display: inline-block;
  vertical-align: middle;
}

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.3;
  color: var(--navy-base);
  letter-spacing: -0.015em;
}

.text-nowrap {
  white-space: nowrap !important;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}

/* ==========================================================================
   3. TOP BAR & LUXURY HEADER (Bespoke TM SAFE Navbar)
   ========================================================================== */
.header-container {
  width: 100%;
  max-width: 1360px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 28px;
  padding-right: 28px;
}

/* --- Top Bar --- */
.top-bar {
  background: #090d16;
  color: #94a3b8;
  font-size: 0.8rem;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.top-bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  white-space: nowrap;
}
.top-bar-left, .top-bar-right {
  display: flex;
  align-items: center;
  gap: 12px;
}
.top-divider {
  display: inline-block;
  width: 1px;
  height: 12px;
  background: rgba(255, 255, 255, 0.15);
}
.top-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #cbd5e1;
}
.top-slogan {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.slogan-badge {
  background: rgba(217, 119, 6, 0.22);
  color: #fbbf24;
  border: 1px solid rgba(217, 119, 6, 0.4);
  padding: 1px 7px;
  border-radius: 4px;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.05em;
}
.slogan-text {
  color: #94a3b8;
  font-size: 0.78rem;
  letter-spacing: 0.02em;
}
.top-item svg {
  width: 12px !important;
  height: 12px !important;
  color: #fbbf24 !important;
  flex-shrink: 0;
}
.top-phone strong {
  color: #fbbf24;
  letter-spacing: 0.02em;
}
.top-item a:hover {
  color: #ffffff;
}

/* --- Site Header --- */
.site-header {
  background: #ffffff;
  border-bottom: 1px solid var(--border-color);
  position: relative;
  z-index: 1000;
  transition: all var(--transition-normal);
}
.site-header.is-sticky {
  position: sticky;
  top: 0;
  box-shadow: 0 10px 25px -5px rgba(15, 23, 42, 0.07);
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  gap: 24px;
}

/* --- Brand Logo TM SAFE --- */
.site-branding {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}
.site-title {
  margin: 0;
  line-height: 1;
}
.site-title a {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}
.tm-brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  white-space: nowrap;
}
.tm-logo-symbol {
  width: 42px;
  height: 42px;
  background: #090d16;
  border: 1px solid rgba(217, 119, 6, 0.45);
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.16);
  flex-shrink: 0;
  transition: transform 0.25s ease, border-color 0.25s ease;
}
.tm-brand-logo:hover .tm-logo-symbol {
  transform: scale(1.05);
  border-color: #d97706;
}
.tm-logo-text {
  display: flex;
  flex-direction: column;
  justify-content: center;
  line-height: 1;
}
.tm-brand-title {
  font-size: 1.4rem;
  font-weight: 900;
  letter-spacing: 0.02em;
  line-height: 1.1;
  display: flex;
  align-items: center;
  gap: 4px;
}
.tm-brand-title .tm-part {
  color: #0f172a;
}
.tm-brand-title .safe-part {
  background: linear-gradient(135deg, #d97706 0%, #b45309 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.tm-company-sub {
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #64748b;
  margin-top: 3px;
  white-space: nowrap;
}

/* --- Main Navigation --- */
.main-navigation {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 1 1 auto;
}
.main-navigation .nav-menu {
  display: flex;
  align-items: center;
  gap: 6px;
  list-style: none;
  margin: 0;
  padding: 0;
  white-space: nowrap;
}
.main-navigation .nav-menu > li {
  margin: 0;
  padding: 0;
  white-space: nowrap;
}
.main-navigation .nav-menu > li > a {
  display: inline-flex;
  align-items: center;
  padding: 9px 16px;
  font-size: 0.92rem;
  font-weight: 600;
  color: #1e293b;
  border-radius: 8px;
  white-space: nowrap;
  text-decoration: none;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}
.main-navigation .nav-menu > li > a:hover {
  color: #d97706;
  background-color: rgba(217, 119, 6, 0.08);
}
.main-navigation .nav-menu > li.current-menu-item > a,
.main-navigation .nav-menu > li.current_page_item > a {
  color: #d97706;
  background-color: rgba(217, 119, 6, 0.12);
  font-weight: 700;
}

/* --- Mobile Menu Button --- */
.menu-toggle {
  display: none;
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 7px 12px;
  cursor: pointer;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--navy-base);
  transition: all 0.2s ease;
}
.menu-toggle:hover {
  border-color: #cbd5e1;
  background: #f8fafc;
}
.hamburger-box {
  width: 18px;
  height: 14px;
  display: inline-block;
  position: relative;
}
.hamburger-inner,
.hamburger-inner::before,
.hamburger-inner::after {
  width: 18px;
  height: 2px;
  background-color: var(--navy-base);
  border-radius: 2px;
  position: absolute;
  transition: all 0.2s ease;
}
.hamburger-inner {
  top: 50%;
  transform: translateY(-50%);
}
.hamburger-inner::before {
  content: '';
  top: -6px;
}
.hamburger-inner::after {
  content: '';
  bottom: -6px;
}

/* --- Header Action: Luxury Call Button --- */
.header-action {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}
.btn-header-call {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: linear-gradient(135deg, #0b132b 0%, #1e293b 100%);
  border: 1px solid rgba(217, 119, 6, 0.4);
  padding: 7px 18px 7px 8px;
  border-radius: 9999px;
  color: #ffffff;
  text-decoration: none;
  box-shadow: 0 4px 14px rgba(11, 19, 43, 0.16);
  white-space: nowrap;
  flex-shrink: 0;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}
.btn-header-call:hover {
  background: linear-gradient(135deg, #d97706 0%, #b45309 100%);
  border-color: #d97706;
  box-shadow: 0 6px 18px rgba(217, 119, 6, 0.35);
  transform: translateY(-1px);
  color: #ffffff;
}
.btn-header-call .call-icon-circle {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: rgba(217, 119, 6, 0.24);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fbbf24;
  flex-shrink: 0;
  transition: all 0.25s ease;
}
.btn-header-call:hover .call-icon-circle {
  background: rgba(255, 255, 255, 0.22);
  color: #ffffff;
}
.btn-header-call .call-text-wrap {
  display: flex;
  flex-direction: column;
  text-align: left;
  line-height: 1.15;
}
.btn-header-call .call-label {
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #fbbf24;
}
.btn-header-call:hover .call-label {
  color: #fef08a;
}
.btn-header-call .call-number {
  font-size: 0.95rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: #ffffff;
}

/* ==========================================================================
   4. HERO SHOWROOM (Nền chuyển dịu mắt, layout cân đối hoàn hảo)
   ========================================================================== */
.hero-showroom {
  background: linear-gradient(180deg, #ffffff 0%, #f1f5f9 100%);
  border-bottom: 1px solid var(--border-color);
  padding: 44px 0 54px;
  position: relative;
}
.hero-showroom-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 48px;
}

.hero-eyebrow-pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: #ffffff;
  border: 1px solid rgba(217, 119, 6, 0.28);
  color: var(--navy-base);
  padding: 5px 14px;
  border-radius: var(--radius-pill);
  font-size: 0.76rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 16px;
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.04);
  white-space: nowrap;
}
.hero-eyebrow-pill svg {
  width: 13px;
  height: 13px;
  color: var(--gold-primary);
  flex-shrink: 0;
}

.hero-headline {
  font-size: 2.35rem;
  font-weight: 800;
  line-height: 1.25;
  color: var(--navy-base);
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}
.hero-headline .text-brass {
  color: var(--gold-primary);
}

.hero-lead-text {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--navy-soft);
  margin-bottom: 24px;
  max-width: 620px;
}

/* Quick Finder Chips - Lưới 2x2 Cân Đối Hoàn Hảo */
.hero-quick-finder {
  margin-bottom: 24px;
}
.finder-label {
  display: block;
  font-size: 0.76rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--navy-light);
  letter-spacing: 0.06em;
  margin-bottom: 10px;
}
.finder-grid-2x2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  max-width: 580px;
}
.finder-grid-2x2 .finder-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #ffffff;
  border: 1px solid var(--border-color);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--navy-base);
  box-shadow: var(--shadow-subtle);
  white-space: nowrap;
  transition: all var(--transition-normal);
}
.finder-grid-2x2 .finder-tag svg {
  width: 14px;
  height: 14px;
  color: var(--gold-primary);
  flex-shrink: 0;
}
.finder-grid-2x2 .finder-tag:hover {
  border-color: var(--gold-primary);
  color: var(--gold-hover);
  background: var(--gold-soft-bg);
  transform: translateY(-1px);
  box-shadow: 0 4px 10px rgba(217, 119, 6, 0.12);
}

.hero-buttons-row {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 6px;
}

/* Hero Right: Khối cam kết thuận mắt, cân bằng thị giác */
.hero-trust-box {
  background: #ffffff;
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0;
  overflow: hidden;
  box-shadow: 0 10px 25px -5px rgba(15, 23, 42, 0.08);
}
.trust-header {
  background: #0f172a;
  color: #ffffff;
  padding: 18px 22px;
  display: flex;
  align-items: center;
  gap: 14px;
  border-bottom: 2px solid #d97706;
  margin: 0;
}
.trust-badge-icon {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: rgba(217, 119, 6, 0.22);
  border: 1px solid rgba(217, 119, 6, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.trust-badge-icon svg {
  width: 20px;
  height: 20px;
}
.trust-header-info h4 {
  font-size: 0.96rem;
  font-weight: 800;
  color: #ffffff;
  margin: 0 0 3px;
  letter-spacing: 0.03em;
}
.trust-header-info p {
  font-size: 0.76rem;
  font-weight: 700;
  color: #fbbf24;
  margin: 0;
  letter-spacing: 0.04em;
}

.trust-checklist {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 20px 22px;
  margin: 0;
}
.trust-checklist li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.865rem;
  line-height: 1.5;
  color: var(--navy-soft);
}
.trust-checklist li svg {
  width: 16px;
  height: 16px;
  color: #059669;
  margin-top: 3px;
  flex-shrink: 0;
}

/* Footer địa chỉ nhà xưởng căn chỉnh gọn gàng, không gãy từ */
.trust-showroom-footer {
  background: #f8fafc;
  border-top: 1px solid var(--border-color);
  padding: 14px 22px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.trust-footer-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--gold-hover);
}
.trust-footer-label svg {
  width: 13px;
  height: 13px;
  color: var(--gold-primary);
  flex-shrink: 0;
}
.trust-footer-address {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--navy-base);
  line-height: 1.45;
}

/* ==========================================================================
   5. NÚT BẤM & HUY HIỆU (Buttons & Badges dịu mắt)
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 10px 20px;
  border-radius: var(--radius-xs);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-normal);
}
.btn-primary {
  background: var(--gold-primary);
  color: #ffffff;
  box-shadow: 0 2px 6px rgba(217, 119, 6, 0.2);
}
.btn-primary:hover {
  background: var(--gold-hover);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(217, 119, 6, 0.3);
  transform: translateY(-1px);
}
.btn-outline {
  background: #ffffff;
  border: 1px solid var(--border-color);
  color: var(--navy-base);
}
.btn-outline:hover {
  border-color: var(--gold-primary);
  color: var(--gold-hover);
  background: var(--gold-soft-bg);
}
.btn-lg {
  padding: 12px 24px;
  font-size: 0.95rem;
}
.btn-block {
  width: 100%;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  border-radius: var(--radius-xs);
  font-size: 0.735rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.badge-gold {
  background: var(--gold-light);
  color: #92400e;
  border: 1px solid var(--gold-border);
}
.badge-success {
  background: var(--emerald-bg);
  color: var(--emerald-safe);
  border: 1px solid var(--emerald-border);
}
.badge-danger {
  background: var(--ruby-bg);
  color: var(--ruby-alert);
  border: 1px solid var(--ruby-border);
}

/* ==========================================================================
   6. SECTIONS & CARDS (Phân mảng hài hòa)
   ========================================================================== */
.section {
  padding: 55px 0;
}
.section-header {
  margin-bottom: 35px;
}
.section-tag {
  display: inline-block;
  font-size: 0.77rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  color: var(--gold-primary);
  text-transform: uppercase;
  margin-bottom: 6px;
}
.section-title {
  font-size: 1.85rem;
  color: var(--navy-base);
  margin-bottom: 8px;
}
.section-subtitle {
  color: var(--navy-light);
  font-size: 0.95rem;
  max-width: 620px;
  margin-left: auto;
  margin-right: auto;
}
.text-center {
  text-align: center;
}
.bg-light {
  background-color: #ffffff;
}

/* Category Grid - Lưới 3x2 Cân Đối Hoàn Hảo (3 Cột x 2 Hàng) */
.category-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.cat-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 26px 24px;
  display: flex;
  flex-direction: column;
  height: 100%;
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.04);
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}
.cat-card:hover {
  transform: translateY(-4px);
  border-color: rgba(217, 119, 6, 0.45);
  box-shadow: 0 12px 24px -4px rgba(15, 23, 42, 0.08), 0 4px 8px -2px rgba(217, 119, 6, 0.06);
}
.cat-icon-wrap {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(217, 119, 6, 0.12) 0%, rgba(217, 119, 6, 0.04) 100%);
  border: 1px solid rgba(217, 119, 6, 0.25);
  color: var(--gold-hover);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  transition: all 0.25s ease;
}
.cat-card:hover .cat-icon-wrap {
  background: linear-gradient(135deg, #d97706 0%, #b45309 100%);
  border-color: #d97706;
  color: #ffffff;
  transform: scale(1.06);
}
.cat-icon-wrap svg {
  width: 22px;
  height: 22px;
}
.cat-title {
  font-size: 1.12rem;
  font-weight: 700;
  color: var(--navy-base);
  margin-bottom: 8px;
  line-height: 1.35;
  white-space: nowrap;
}
.cat-title a {
  color: inherit;
  transition: color 0.2s ease;
}
.cat-card:hover .cat-title a {
  color: var(--gold-hover);
}
.cat-desc {
  font-size: 0.88rem;
  color: var(--navy-light);
  line-height: 1.6;
  margin-bottom: 20px;
  flex-grow: 1;
}
.cat-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 700;
  font-size: 0.86rem;
  color: var(--gold-primary);
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid #f1f5f9;
  transition: all 0.2s ease;
}
.cat-link svg {
  width: 14px;
  height: 14px;
  transition: transform 0.2s ease;
}
.cat-card:hover .cat-link {
  color: var(--gold-hover);
}
.cat-card:hover .cat-link svg {
  transform: translateX(4px);
}

/* ==========================================================================
   7. THẺ SẢN PHẨM (Màu sắc thân thiện, giá nổi bật thuận mắt)
   ========================================================================== */
.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.product-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
  overflow: hidden;
}
.product-card:hover {
  transform: translateY(-3px);
  border-color: #cbd5e1;
  box-shadow: var(--shadow-hover);
}
.product-thumb-wrap {
  position: relative;
  background: #f8fafc;
  padding-top: 100%;
  overflow: hidden;
  border-bottom: 1px solid var(--border-color);
}
.product-thumb-wrap img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 12px;
  transition: transform var(--transition-normal);
}
.product-card:hover .product-thumb-wrap img {
  transform: scale(1.04);
}
.product-badge-overlay {
  position: absolute;
  top: 10px;
  left: 10px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  z-index: 2;
}

.product-info {
  padding: 16px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}
.product-brand {
  font-size: 0.72rem;
  text-transform: uppercase;
  color: var(--navy-light);
  font-weight: 700;
  letter-spacing: 0.05em;
  margin-bottom: 3px;
}
.product-title {
  font-size: 0.94rem;
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  height: 2.6em;
}
.product-title a:hover {
  color: var(--gold-primary);
}

.product-specs-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-bottom: 12px;
}
.spec-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: var(--canvas-bg);
  font-size: 0.72rem;
  color: var(--navy-soft);
  padding: 2px 7px;
  border-radius: var(--radius-xs);
  border: 1px solid var(--border-color);
}
.spec-chip svg {
  width: 11px;
  height: 11px;
  color: var(--navy-light);
}

.product-price-row {
  margin-top: auto;
  padding-top: 10px;
  border-top: 1px dashed var(--border-color);
  margin-bottom: 12px;
}
.price-current {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--price-red);
}
.price-old {
  font-size: 0.8rem;
  color: var(--navy-light);
  text-decoration: line-through;
  margin-left: 6px;
}

.product-card-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}
.btn-card-detail {
  background: var(--canvas-bg);
  border: 1px solid var(--border-color);
  color: var(--navy-base);
  font-size: 0.78rem;
  padding: 7px;
  font-weight: 600;
  border-radius: var(--radius-xs);
  text-align: center;
}
.btn-card-detail:hover {
  background: #e2e8f0;
}
.btn-card-call {
  background: var(--gold-primary);
  color: #ffffff;
  font-size: 0.78rem;
  padding: 7px;
  font-weight: 600;
  border-radius: var(--radius-xs);
  text-align: center;
}
.btn-card-call:hover {
  background: var(--gold-hover);
  color: #ffffff;
}

/* ==========================================================================
   8. REAL BUYER GUIDE CARDS
   ========================================================================== */
.guide-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.guide-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 26px 22px;
  box-shadow: var(--shadow-subtle);
}
.guide-card .step-num {
  display: inline-block;
  font-size: 0.76rem;
  font-weight: 800;
  color: var(--gold-hover);
  background: var(--gold-light);
  padding: 2px 8px;
  border-radius: var(--radius-xs);
  margin-bottom: 12px;
}
.guide-card h3 {
  font-size: 1.05rem;
  margin-bottom: 8px;
}
.guide-card p {
  font-size: 0.865rem;
  color: var(--navy-soft);
  line-height: 1.55;
  margin: 0;
}

/* ==========================================================================
   9. KHỐI TƯ VẤN NHANH (Màu sắc Navy & Gold hài hòa)
   ========================================================================== */
.section-cta-quote {
  background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
  color: #ffffff;
}
.cta-quote-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  padding: 10px 0;
}
.cta-title {
  color: #ffffff;
  font-size: 1.85rem;
  margin-bottom: 12px;
}
.cta-desc {
  color: #cbd5e1;
  font-size: 0.98rem;
  line-height: 1.6;
  margin-bottom: 20px;
}
.cta-hotline-highlight {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
}
.cta-hotline-highlight span {
  font-size: 0.82rem;
  color: #cbd5e1;
}
.cta-hotline-highlight a {
  font-size: 1.15rem;
  font-weight: 800;
  color: #fde047;
}

.ketsat-contact-form-wrap {
  background: #ffffff;
  border-radius: var(--radius-md);
  padding: 26px;
  box-shadow: var(--shadow-box);
  color: var(--navy-base);
}
.form-group {
  margin-bottom: 14px;
}
.form-row {
  display: flex;
  gap: 14px;
}
.form-row .col-half {
  flex: 1;
}
.form-group label {
  display: block;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--navy-base);
  margin-bottom: 5px;
}
.form-group label .required {
  color: var(--ruby-alert);
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xs);
  background: #ffffff;
  color: var(--navy-base);
  font-size: 0.9rem;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--gold-primary);
  box-shadow: 0 0 0 2px var(--gold-light);
}
.form-product-notice {
  background: var(--gold-soft-bg);
  border: 1px solid var(--gold-border);
  padding: 8px 12px;
  border-radius: var(--radius-xs);
  font-size: 0.84rem;
  margin-bottom: 14px;
  color: var(--gold-hover);
}

/* ==========================================================================
   10. EDITORIAL BLOG & LUXURY SIDEBAR SYSTEM
   ========================================================================== */

/* 1. Page Header for Blog */
.blog-page-header {
  padding: 38px 0 32px;
  background: linear-gradient(135deg, #091124 0%, #111d38 60%, #1e293b 100%);
  border-bottom: 2px solid rgba(217, 119, 6, 0.35);
  margin-bottom: 35px;
}
.blog-page-header .page-title {
  color: #ffffff;
  font-size: clamp(1.8rem, 3.2vw, 2.35rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.25;
  margin: 10px 0 10px;
}
.blog-page-header .page-desc {
  color: #cbd5e1;
  font-size: 0.98rem;
  line-height: 1.65;
  max-width: 720px;
  margin: 0 0 20px;
}

/* Category Filter Bar */
.blog-filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}
.filter-chip-item {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  border-radius: 9999px;
  font-size: 0.825rem;
  font-weight: 600;
  text-decoration: none;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: #e2e8f0;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  backdrop-filter: blur(4px);
}
.filter-chip-item:hover {
  background: rgba(251, 191, 36, 0.18);
  border-color: rgba(251, 191, 36, 0.45);
  color: #fbbf24;
  transform: translateY(-1px);
}
.filter-chip-item.is-active {
  background: #f59e0b;
  border-color: #f59e0b;
  color: #090e1a;
  font-weight: 700;
  box-shadow: 0 2px 10px rgba(245, 158, 11, 0.35);
}

/* 2. Main 2-Column Grid Layout */
.layout-with-sidebar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 36px;
  align-items: start;
}

/* Contact Page 2-Column Grid (Desktop) */
.contact-page-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 36px;
  align-items: start;
}
@media (max-width: 991px) {
  .layout-with-sidebar {
    grid-template-columns: 1fr;
    gap: 36px;
  }
}

/* 3. Blog Grid in Main Column */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.blog-grid.blog-grid-archive {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 26px;
}
@media (max-width: 640px) {
  .blog-grid.blog-grid-archive {
    grid-template-columns: 1fr;
    gap: 20px;
  }
}

/* 4. Luxury Post Card Design */
.post-card {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}
.post-card:hover {
  transform: translateY(-4px);
  border-color: #cbd5e1;
  box-shadow: 0 12px 28px -6px rgba(15, 23, 42, 0.09), 0 6px 12px -4px rgba(15, 23, 42, 0.04);
}

.post-thumb-wrap {
  position: relative;
  width: 100%;
  height: 195px;
  overflow: hidden;
  background: #0f172a;
}
.post-thumb-link {
  display: block;
  width: 100%;
  height: 100%;
}
.post-thumb-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.35s ease;
}
.post-card:hover .post-thumb-wrap img {
  transform: scale(1.04);
}

/* Content Area of Post Card */
.post-card-content {
  padding: 20px 20px 18px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.post-meta-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
}
.post-cat-badge {
  display: inline-flex;
  align-items: center;
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: #b45309;
  background: #fef3c7;
  border: 1px solid rgba(245, 158, 11, 0.3);
  padding: 3px 9px;
  border-radius: 4px;
  text-decoration: none;
  transition: background 0.15s ease, color 0.15s ease;
}
.post-cat-badge:hover {
  background: #fde68a;
  color: #92400e;
}

.post-date-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.785rem;
  font-weight: 500;
  color: #64748b;
}

/* Rational Typography for Post Title */
.post-card-title {
  font-size: 1.125rem;
  font-weight: 700;
  line-height: 1.45;
  color: #0f172a;
  margin: 0 0 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  height: 3.1em;
}
.post-card-title a {
  color: inherit;
  text-decoration: none;
  transition: color 0.15s ease;
}
.post-card-title a:hover {
  color: #d97706;
}

/* Rational Typography for Excerpt */
.post-card-excerpt {
  font-size: 0.885rem;
  line-height: 1.62;
  color: #475569;
  margin-bottom: 16px;
  flex-grow: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 4.3em;
}
.post-card-excerpt p {
  margin: 0;
}

/* Post Card Footer Action */
.post-card-footer {
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid #f1f5f9;
}
.post-read-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.865rem;
  font-weight: 600;
  color: #0f172a;
  text-decoration: none;
  transition: color 0.15s ease, gap 0.15s ease;
}
.post-read-more svg {
  transition: transform 0.2s ease, stroke 0.2s ease;
}
.post-card:hover .post-read-more {
  color: #d97706;
  gap: 8px;
}
.post-card:hover .post-read-more svg {
  transform: translateX(3px);
  stroke: #d97706;
}

/* 5. SIDEBAR CARDS & TYPOGRAPHY */
.blog-sidebar-wrap {
  position: sticky;
  top: 95px;
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.sidebar-card {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 22px 20px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.sidebar-card-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: #0f172a;
  margin: 0 0 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid #f1f5f9;
  display: flex;
  align-items: center;
  gap: 8px;
  position: relative;
}
.sidebar-card-title::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 32px;
  height: 2px;
  background: #f59e0b;
}

/* Search Form */
.sidebar-search-form {
  margin: 0;
}
.sidebar-search-input-wrap {
  display: flex;
  align-items: center;
  border: 1.5px solid #cbd5e1;
  border-radius: 8px;
  overflow: hidden;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
  background: #f8fafc;
}
.sidebar-search-input-wrap:focus-within {
  border-color: #f59e0b;
  box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.15);
  background: #ffffff;
}
.sidebar-search-field {
  flex-grow: 1;
  border: none;
  background: transparent;
  padding: 10px 14px;
  font-size: 0.885rem;
  color: #0f172a;
  outline: none;
}
.sidebar-search-field::placeholder {
  color: #94a3b8;
}
.sidebar-search-btn {
  border: none;
  background: #0f172a;
  color: #ffffff;
  padding: 10px 14px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s ease;
}
.sidebar-search-btn:hover {
  background: #f59e0b;
  color: #0f172a;
}

/* Category List */
.sidebar-cat-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.sidebar-cat-item {
  border-radius: 6px;
  transition: background 0.15s ease;
}
.sidebar-cat-link {
  display: flex;
  align-items: center;
  padding: 8px 10px;
  text-decoration: none;
  color: #334155;
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: 6px;
  transition: color 0.15s ease, background 0.15s ease, transform 0.15s ease;
}
.cat-bullet {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #cbd5e1;
  margin-right: 10px;
  flex-shrink: 0;
  transition: background 0.15s ease;
}
.cat-name {
  flex-grow: 1;
}
.cat-count {
  font-size: 0.785rem;
  font-weight: 600;
  color: #64748b;
  background: #f1f5f9;
  padding: 2px 7px;
  border-radius: 9999px;
  transition: background 0.15s ease, color 0.15s ease;
}
.sidebar-cat-link:hover {
  background: #f8fafc;
  color: #d97706;
  transform: translateX(3px);
}
.sidebar-cat-link:hover .cat-bullet {
  background: #f59e0b;
}
.sidebar-cat-link:hover .cat-count {
  background: #fef3c7;
  color: #b45309;
}
.sidebar-cat-item.is-active .sidebar-cat-link {
  background: #fef3c7;
  color: #b45309;
  font-weight: 700;
}
.sidebar-cat-item.is-active .cat-bullet {
  background: #f59e0b;
}

/* Recent Posts in Sidebar */
.sidebar-recent-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.sidebar-recent-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid #f1f5f9;
}
.sidebar-recent-item:last-child {
  padding-bottom: 0;
  border-bottom: none;
}
.recent-rank-badge {
  font-size: 0.8rem;
  font-weight: 800;
  color: #d97706;
  background: #fef3c7;
  width: 26px;
  height: 26px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.recent-item-info {
  flex-grow: 1;
  min-width: 0;
}
.recent-item-title {
  font-size: 0.885rem;
  font-weight: 600;
  line-height: 1.4;
  margin: 0 0 4px;
}
.recent-item-title a {
  color: #1e293b;
  text-decoration: none;
  transition: color 0.15s ease;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.recent-item-title a:hover {
  color: #d97706;
}
.recent-item-date {
  font-size: 0.75rem;
  color: #94a3b8;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

/* Sidebar Callout Card (High Conversion) */
.sidebar-cta-card.bg-navy-card {
  background: linear-gradient(145deg, #091124 0%, #101c38 100%);
  border: 1px solid rgba(245, 158, 11, 0.35);
  border-radius: 12px;
  padding: 24px 20px;
  color: #ffffff;
  box-shadow: 0 8px 24px -4px rgba(9, 17, 36, 0.3);
}
.sidebar-cta-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: #fbbf24;
  background: rgba(251, 191, 36, 0.12);
  border: 1px solid rgba(251, 191, 36, 0.25);
  padding: 2px 8px;
  border-radius: 9999px;
  margin-bottom: 10px;
}
.pulse-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #10b981;
  box-shadow: 0 0 6px #10b981;
}
.sidebar-cta-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: #ffffff;
  margin: 0 0 8px;
  line-height: 1.35;
}
.sidebar-cta-desc {
  font-size: 0.865rem;
  line-height: 1.55;
  color: #cbd5e1;
  margin: 0 0 16px;
}
.sidebar-cta-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.btn-sidebar-call {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 16px;
  border-radius: 8px;
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  color: #090e1a !important;
  font-size: 0.9rem;
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 4px 12px rgba(217, 119, 6, 0.3);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.btn-sidebar-call:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(217, 119, 6, 0.45);
}
.btn-sidebar-zalo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: 8px;
  background: #0068ff;
  color: #ffffff !important;
  font-size: 0.885rem;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.18s ease, background 0.18s ease;
}
.btn-sidebar-zalo:hover {
  background: #0056d6;
  transform: translateY(-2px);
}
.sidebar-trust-strip {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.785rem;
  color: #94a3b8;
}

/* Hide raw Gutenberg comments widget if ever rendered */
.widget_recent_comments,
.wp-block-latest-comments {
  display: none !important;
}

/* 6. Pagination Styling */
.pagination-wrapper {
  margin-top: 36px;
  text-align: center;
}
.pagination-wrapper ul.page-numbers {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  list-style: none;
  padding: 0;
  margin: 0;
}
.pagination-wrapper .page-numbers {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 38px;
  height: 38px;
  padding: 0 12px;
  border-radius: 8px;
  border: 1px solid #cbd5e1;
  background: #ffffff;
  color: #334155;
  font-size: 0.885rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.15s ease;
}
.pagination-wrapper .page-numbers:hover {
  border-color: #f59e0b;
  color: #d97706;
  background: #fef3c7;
}
.pagination-wrapper .page-numbers.current {
  background: #0f172a;
  border-color: #0f172a;
  color: #ffffff;
  font-weight: 700;
}

/* ==========================================================================
   11. SINGLE PRODUCT DETAIL & BREADCRUMBS
   ========================================================================== */
.page-header {
  padding: 24px 0;
  background: #ffffff;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 25px;
}
.page-header .page-title {
  color: var(--navy-base);
  font-size: 1.75rem;
  margin-bottom: 6px;
}
.page-header .page-desc {
  color: var(--navy-light);
  font-size: 0.95rem;
  margin: 0;
}
/* Breadcrumb Reset & Modern Horizontal Trail */
.breadcrumb {
  margin-bottom: 14px;
}
.breadcrumb__list {
  display: flex !important;
  flex-wrap: wrap;
  align-items: center;
  list-style: none !important;
  margin: 0 !important;
  padding: 0 !important;
  gap: 8px;
  font-size: 0.84rem;
  line-height: 1.4;
}
.breadcrumb__item {
  display: inline-flex !important;
  align-items: center;
  gap: 8px;
  color: #94a3b8;
  list-style: none !important;
  margin: 0 !important;
  padding: 0 !important;
}
.breadcrumb__item::after {
  display: none !important;
}
.breadcrumb-separator {
  list-style: none !important;
  list-style-type: none !important;
  display: inline-flex !important;
  align-items: center !important;
  color: #94a3b8;
  opacity: 0.65;
  margin: 0 2px;
}
.breadcrumb__item a {
  color: #cbd5e1;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.15s ease;
  display: inline-flex;
  align-items: center;
}
.breadcrumb__item a:hover {
  color: #f59e0b;
}
.breadcrumb__item--current {
  color: #fde68a;
  font-weight: 600;
}
.breadcrumb__item--current span {
  color: #fde68a;
}

/* Light background breadcrumb fallback */
.page-header:not(.bg-navy) .breadcrumb__item {
  color: var(--navy-light);
}
.page-header:not(.bg-navy) .breadcrumb__item a {
  color: var(--navy-soft);
}
.page-header:not(.bg-navy) .breadcrumb__item a:hover {
  color: var(--gold-primary);
}
.page-header:not(.bg-navy) .breadcrumb__item::after {
  color: var(--navy-faint);
}
.page-header:not(.bg-navy) .breadcrumb__item--current {
  color: var(--navy-base);
}
.page-header:not(.bg-navy) .breadcrumb__item--current span {
  color: var(--navy-base);
}

.ketsat-breadcrumb {
  font-size: 0.82rem;
  color: var(--navy-light);
  margin-bottom: 8px;
}
.ketsat-breadcrumb a {
  color: var(--navy-soft);
}
.ketsat-breadcrumb a:hover {
  color: var(--gold-primary);
}
.ketsat-breadcrumb .separator {
  margin: 0 6px;
  color: var(--navy-faint);
}

.page-header.bg-navy {
  background: linear-gradient(140deg, #091124 0%, #111d38 55%, #1e293b 100%);
  border-bottom: 2px solid rgba(217, 119, 6, 0.35);
  padding: 42px 0 38px;
  margin-bottom: 30px;
  position: relative;
  overflow: hidden;
}
.page-header.bg-navy::after {
  content: "";
  position: absolute;
  top: -40%;
  right: -10%;
  width: 450px;
  height: 450px;
  background: radial-gradient(circle, rgba(217, 119, 6, 0.08) 0%, transparent 70%);
  pointer-events: none;
}
.page-header-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(217, 119, 6, 0.16);
  border: 1px solid rgba(217, 119, 6, 0.4);
  color: #fde68a;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}
.page-header.bg-navy .page-title {
  color: #ffffff;
  font-size: 2.15rem;
  font-weight: 800;
  letter-spacing: -0.015em;
  line-height: 1.25;
  margin-bottom: 10px;
}
.page-header.bg-navy .page-desc {
  color: #cbd5e1;
  font-size: 1rem;
  line-height: 1.6;
  max-width: 780px;
  margin: 0 0 18px;
}
.page-header-micro-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}
.page-header-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: 5px 12px;
  border-radius: 6px;
  font-size: 0.8rem;
  color: #e2e8f0;
  font-weight: 500;
}
.page-header-chip svg {
  color: #f59e0b;
  flex-shrink: 0;
}
.page-header.bg-navy .ketsat-breadcrumb {
  color: #94a3b8;
}
.page-header.bg-navy .ketsat-breadcrumb a {
  color: #cbd5e1;
}
.page-header.bg-navy .ketsat-breadcrumb a:hover {
  color: var(--gold-primary);
}

/* ==========================================================================
   11. SINGLE PRODUCT DETAIL - LUXURY VAULT SHOWCASE
   ========================================================================== */
.single-product-topbar {
  padding: 16px 0;
  margin-bottom: 25px;
}
.single-product-wrap {
  padding-top: 5px;
}

.product-single-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.22fr);
  gap: 38px;
  align-items: start;
  margin-bottom: 45px;
}
@media (max-width: 991px) {
  .product-single-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
}

/* Cột Trái: Gallery & 3D Model Card */
.product-gallery-container {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 14px;
  padding: 22px;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
}
.product-main-image-wrap {
  background: radial-gradient(circle at 50% 45%, #ffffff 0%, #f8fafc 70%, #f1f5f9 100%);
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid #f1f5f9;
  display: flex;
  align-items: center;
  justify-content: center;
}
.product-main-image-wrap img {
  width: 100%;
  height: 400px;
  object-fit: contain;
  transition: transform 0.35s ease;
}
.product-main-image-wrap:hover img {
  transform: scale(1.03);
}

.product-visual-perks {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  margin: 16px 0 12px;
}
.visual-perk-item {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 7px 11px;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 6px;
  font-size: 0.785rem;
  font-weight: 600;
  color: #334155;
}

.product-gallery-note {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 10px 14px;
  background: #f8fafc;
  border: 1px dashed #cbd5e1;
  border-radius: 8px;
  font-size: 0.785rem;
  color: #64748b;
  line-height: 1.45;
  margin-top: 12px;
}
.product-gallery-note svg {
  color: #f59e0b;
  flex-shrink: 0;
  margin-top: 2px;
}

.product-thumbs-strip {
  display: flex;
  gap: 10px;
  margin-top: 12px;
  overflow-x: auto;
}
.product-gallery-thumb {
  width: 72px;
  height: 72px;
  border: 1.5px solid #e2e8f0;
  border-radius: 8px;
  cursor: pointer;
  overflow: hidden;
  flex-shrink: 0;
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.product-gallery-thumb:hover,
.product-gallery-thumb.active {
  border-color: #f59e0b;
  transform: translateY(-2px);
}
.product-gallery-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Cột Phải: Thông Tin Chi Tiết & Hành Động */
.product-meta-header {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 12px;
}
.meta-brand-tag {
  font-size: 0.75rem;
  font-weight: 700;
  color: #b45309;
  background: #fef3c7;
  border: 1px solid rgba(245, 158, 11, 0.3);
  padding: 3px 10px;
  border-radius: 4px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.meta-sku-tag {
  font-size: 0.8rem;
  color: #64748b;
  font-weight: 500;
}
.meta-sku-tag strong {
  color: #0f172a;
}
.meta-stock-badge {
  font-size: 0.74rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 9999px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.meta-stock-badge.stock-in {
  color: #065f46;
  background: #d1fae5;
  border: 1px solid rgba(16, 185, 129, 0.3);
}
.meta-stock-badge.stock-out {
  color: #991b1b;
  background: #fee2e2;
  border: 1px solid rgba(239, 68, 68, 0.3);
}
.stock-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #10b981;
  box-shadow: 0 0 6px #10b981;
}

.single-product-title {
  font-size: clamp(1.6rem, 2.7vw, 2.15rem);
  font-weight: 800;
  line-height: 1.28;
  color: #0f172a;
  margin: 0 0 16px;
  letter-spacing: -0.015em;
}

/* Khối Giá Gốc Xuất Xưởng (Stacked, Không Bị Co Nhỏ Chữ) */
.product-contact-price-box {
  display: flex !important;
  flex-direction: column !important;
  background: linear-gradient(140deg, #091124 0%, #111e3b 100%) !important;
  border: 1.5px solid rgba(245, 158, 11, 0.45) !important;
  border-radius: 12px !important;
  padding: 20px 24px !important;
  margin-bottom: 20px !important;
  box-shadow: 0 8px 24px -4px rgba(9, 17, 36, 0.25) !important;
  color: #ffffff !important;
}
.price-status-badge {
  display: inline-flex !important;
  align-items: center !important;
  gap: 8px !important;
  width: fit-content !important;
  background: rgba(255, 255, 255, 0.08) !important;
  border: 1px solid rgba(255, 255, 255, 0.15) !important;
  padding: 4px 12px !important;
  border-radius: 9999px !important;
  font-size: 0.72rem !important;
  font-weight: 700 !important;
  color: #fbbf24 !important;
  text-transform: uppercase !important;
  letter-spacing: 0.06em !important;
  margin-bottom: 10px !important;
}
.price-status-dot {
  width: 7px !important;
  height: 7px !important;
  border-radius: 50% !important;
  background-color: #22c55e !important;
  box-shadow: 0 0 7px #22c55e !important;
}
.price-row-contact {
  display: flex !important;
  align-items: baseline !important;
  gap: 12px !important;
  margin-bottom: 12px !important;
  flex-wrap: wrap !important;
}
.price-row-contact .price-label {
  font-size: 1.05rem !important;
  color: #cbd5e1 !important;
  font-weight: 600 !important;
}
.price-row-contact .price-value-highlight {
  font-size: clamp(1.65rem, 3vw, 2.15rem) !important;
  font-weight: 800 !important;
  color: #fbbf24 !important;
  white-space: nowrap !important;
  letter-spacing: -0.01em !important;
  text-shadow: 0 2px 10px rgba(251, 191, 36, 0.25) !important;
  line-height: 1.2 !important;
}
.price-perks-list {
  display: flex !important;
  flex-direction: column !important;
  gap: 6px !important;
  padding-top: 12px !important;
  border-top: 1px solid rgba(255, 255, 255, 0.1) !important;
}
.price-perk-item {
  display: flex !important;
  align-items: center !important;
  gap: 8px !important;
  font-size: 0.825rem !important;
  color: #cbd5e1 !important;
}

/* Khối Nút Hành Động Trực Tiếp (Gọi, Zalo, Báo Giá) */
.product-action-buttons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 22px;
}
@media (max-width: 600px) {
  .product-action-buttons {
    grid-template-columns: 1fr;
  }
}
.btn-product-action {
  border-radius: 10px;
  padding: 12px 18px;
  text-decoration: none;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  cursor: pointer;
  border: none;
  font-family: inherit;
  text-align: left;
}
.action-btn-icon {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.action-btn-text {
  display: flex;
  flex-direction: column;
}
.action-btn-text .btn-sub {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  opacity: 0.9;
}
.action-btn-text .btn-main {
  font-size: 0.95rem;
  font-weight: 800;
}

.btn-product-call {
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  color: #090e1a !important;
  box-shadow: 0 4px 14px rgba(217, 119, 6, 0.35);
}
.btn-product-call:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(217, 119, 6, 0.5);
}

.btn-product-zalo {
  background: #0068ff;
  color: #ffffff !important;
  box-shadow: 0 4px 14px rgba(0, 104, 255, 0.35);
}
.btn-product-zalo:hover {
  background: #0056d6;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 104, 255, 0.5);
}

.btn-product-quote {
  grid-column: 1 / -1;
  background: #ffffff;
  border: 1.5px solid #d97706;
  color: #b45309;
  font-weight: 700;
  padding: 13px 20px;
  font-size: 0.925rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}
.btn-product-quote:hover {
  background: #fef3c7;
  color: #92400e;
  border-color: #b45309;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(217, 119, 6, 0.2);
}

/* Lưới Thông Số Kỹ Thuật Nổi Bật (Quick Specs Grid) */
.product-quick-specs-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-bottom: 22px;
}
@media (max-width: 500px) {
  .product-quick-specs-grid {
    grid-template-columns: 1fr;
  }
}
.quick-spec-card {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  padding: 10px 14px;
  display: flex;
  align-items: center;
  gap: 11px;
  transition: background 0.15s ease, border-color 0.15s ease;
}
.quick-spec-card:hover {
  background: #ffffff;
  border-color: #cbd5e1;
}
.quick-spec-icon {
  font-size: 1.3rem;
  flex-shrink: 0;
}
.quick-spec-info {
  min-width: 0;
}
.quick-spec-label {
  display: block;
  font-size: 0.72rem;
  color: #64748b;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 2px;
}
.quick-spec-val {
  display: block;
  font-size: 0.885rem;
  color: #0f172a;
  font-weight: 700;
  line-height: 1.35;
  white-space: normal;
  word-break: break-word;
}

/* Dải Cam Kết Xưởng */
.product-factory-commitments {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 10px;
  padding: 14px 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 10px;
}
.commitment-item {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 0.835rem;
  color: #334155;
  font-weight: 500;
}

/* Product Description Block */
.product-description-block {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 36px 40px;
  margin-bottom: 45px;
  box-shadow: 0 4px 18px rgba(15, 23, 42, 0.04);
}
.product-desc-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding-bottom: 18px;
  border-bottom: 2px solid var(--gold-border);
  margin-bottom: 24px;
}
.product-desc-title {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--navy-base);
  margin: 0;
  display: flex;
  align-items: center;
  gap: 10px;
}
.product-desc-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--gold-light);
  border: 1px solid var(--gold-border);
  color: var(--gold-hover);
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}
.product-description-block .entry-content h3 {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--navy-base);
  margin: 22px 0 10px;
  line-height: 1.4;
}
.product-description-block .entry-content h3:first-child {
  margin-top: 0;
}
.product-description-block .entry-content p {
  color: var(--navy-soft);
  font-size: 0.96rem;
  line-height: 1.75;
  margin-bottom: 16px;
}
.product-description-block .entry-content ul {
  margin: 0 0 20px;
  padding-left: 0;
  list-style: none;
}
.product-description-block .entry-content ul li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 10px;
  color: var(--navy-soft);
  font-size: 0.94rem;
  line-height: 1.65;
}
.product-description-block .entry-content ul li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 9px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--gold-primary);
}
.product-description-block .entry-content strong {
  color: var(--navy-base);
}
.product-desc-guarantees {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 14px;
  margin-top: 28px;
  padding-top: 22px;
  border-top: 1px dashed var(--border-color);
}
.product-desc-g-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--navy-base);
}
.product-desc-g-item svg {
  color: var(--gold-primary);
  flex-shrink: 0;
}

/* Product Inquiry Box (Đặt Hàng & Tư Vấn Xuất Xưởng) */
.product-inquiry-box {
  background: linear-gradient(140deg, #091124 0%, #111d38 60%, #1e293b 100%);
  border: 1px solid rgba(217, 119, 6, 0.35);
  border-radius: 16px;
  padding: 42px 40px;
  color: #ffffff;
  margin-bottom: 55px;
  box-shadow: 0 16px 40px rgba(9, 17, 36, 0.18);
  position: relative;
  overflow: hidden;
}
.product-inquiry-box::after {
  content: "";
  position: absolute;
  top: -30%;
  right: -10%;
  width: 450px;
  height: 450px;
  background: radial-gradient(circle, rgba(217, 119, 6, 0.08) 0%, transparent 70%);
  pointer-events: none;
}
.product-inquiry-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 36px;
  align-items: center;
  position: relative;
  z-index: 2;
}
.inquiry-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(217, 119, 6, 0.16);
  border: 1px solid rgba(217, 119, 6, 0.4);
  color: #fde68a;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 14px;
}
.inquiry-title {
  font-size: 1.65rem;
  font-weight: 800;
  color: #ffffff;
  line-height: 1.3;
  margin-bottom: 12px;
  letter-spacing: -0.015em;
}
.inquiry-desc {
  font-size: 0.94rem;
  color: #cbd5e1;
  line-height: 1.65;
  margin-bottom: 22px;
}
.inquiry-perks {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 24px;
}
.inquiry-perk-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
  color: #e2e8f0;
}
.inquiry-perk-item svg {
  color: #22c55e;
  flex-shrink: 0;
}
.inquiry-perk-item strong {
  color: #fde68a;
}
.inquiry-direct-call {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 10px;
  padding: 14px 18px;
  font-size: 0.84rem;
  color: #cbd5e1;
}
.inquiry-call-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 6px;
}
.inquiry-call-links a {
  color: #ffffff;
  font-weight: 700;
  text-decoration: none;
  font-size: 0.92rem;
  transition: color 0.15s;
}
.inquiry-call-links a:hover {
  color: #f59e0b;
}

/* Card Form trong Inquiry */
.product-inquiry-form-wrap .ketsat-contact-form-wrap {
  background: #ffffff;
  border-radius: 12px;
  padding: 26px 28px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.25);
  color: var(--navy-base);
}

/* Utilities Fallbacks */
.bg-dark {
  background: #0f172a !important;
  color: #ffffff !important;
}
.btn-dark {
  background: #0f172a;
  color: #ffffff;
  border: 1px solid #334155;
}
.btn-dark:hover {
  background: #1e293b;
  color: #ffffff;
}
.btn-zalo {
  background: #0284c7 !important;
  color: #ffffff !important;
  border: 1px solid #0284c7 !important;
  box-shadow: 0 2px 8px rgba(2, 132, 199, 0.25);
}
.btn-zalo:hover {
  background: #0369a1 !important;
  color: #ffffff !important;
}

/* ==========================================================================
   12. FOOTER (Đồng điệu mảng màu với Top Bar)
   ========================================================================== */
.site-footer {
  background: var(--navy-deep);
  color: #cbd5e1;
  border-top: 2px solid var(--gold-primary);
}
.footer-top {
  padding: 50px 0 35px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 1.2fr;
  gap: 35px;
}
.footer-title {
  color: #ffffff;
  font-size: 1.05rem;
  margin-bottom: 16px;
  position: relative;
  padding-bottom: 8px;
}
.footer-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 28px;
  height: 2px;
  background: var(--gold-primary);
}
.footer-desc {
  font-size: 0.865rem;
  line-height: 1.55;
  margin-bottom: 16px;
}
.footer-contact-list {
  list-style: none;
  font-size: 0.845rem;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.footer-contact-list strong {
  color: #ffffff;
}
.footer-menu {
  list-style: none;
  font-size: 0.845rem;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.footer-menu a:hover {
  color: #fbbf24;
}
.support-actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 12px;
}
.btn-footer-call {
  background: var(--gold-primary);
  color: #ffffff;
  padding: 9px 14px;
  border-radius: var(--radius-xs);
  font-weight: 600;
  font-size: 0.88rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}
.btn-footer-call:hover {
  background: var(--gold-hover);
  color: #ffffff;
}
.btn-footer-zalo {
  background: #0284c7;
  color: #ffffff;
  padding: 9px 14px;
  border-radius: var(--radius-xs);
  font-weight: 600;
  font-size: 0.88rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}
/* Footer Bottom Bar - Tinh Gọn, Đẳng Cấp, Chuẩn Doanh Nghiệp */
.footer-bottom {
  background: #060b17;
  padding: 20px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.82rem;
  color: #94a3b8;
  position: relative;
}
.footer-bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  padding-right: 90px;
}
.footer-bottom-left {
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.copyright-main {
  margin: 0;
  color: #cbd5e1;
  font-size: 0.835rem;
  line-height: 1.4;
}
.copyright-main strong {
  color: #f1f5f9;
}
.copyright-legal {
  margin: 0;
  color: #64748b;
  font-size: 0.74rem;
  line-height: 1.4;
}
.copyright-legal .tax-tag {
  color: #fbbf24;
  font-weight: 700;
  letter-spacing: 0.04em;
}
.footer-bottom-right {
  display: flex;
  align-items: center;
  gap: 16px;
}
.footer-policy-links {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0;
  padding: 0;
  font-size: 0.78rem;
}
.footer-policy-links li a {
  color: #94a3b8;
  text-decoration: none;
  transition: color 0.2s ease;
}
.footer-policy-links li a:hover {
  color: #fbbf24;
}
.policy-sep {
  color: #475569;
  font-size: 0.65rem;
}

/* ==========================================================================
   13. FLOATING CONTACT WIDGETS - LUXURY & HIGH CONVERTING ANIMATIONS
   ========================================================================== */
.floating-contact-buttons {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 12px;
  z-index: 999;
}

/* Base button styling */
.float-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 18px 6px 6px;
  border-radius: var(--radius-pill);
  color: #ffffff;
  text-decoration: none;
  font-family: var(--font-heading);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.35);
  transition: all 0.28s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.float-btn:hover {
  transform: translateY(-4px) scale(1.03);
  color: #ffffff;
}

/* Icon Box tròn nổi khối 3D */
.float-icon-box {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.22);
  flex-shrink: 0;
  box-shadow: inset 0 1px 2px rgba(255, 255, 255, 0.4), 0 2px 6px rgba(0, 0, 0, 0.15);
  position: relative;
  z-index: 2;
}

/* Typography trong nút */
.float-content {
  display: flex;
  flex-direction: column;
  text-align: left;
  line-height: 1.15;
  position: relative;
  z-index: 2;
}
.float-badge-sub {
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.9);
  display: flex;
  align-items: center;
  gap: 5px;
}
.float-number {
  font-size: 0.94rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: #ffffff;
}

/* --- 1. NÚT HOTLINE: Xanh Ngọc Lục Bảo & Sóng Radar --- */
.float-phone {
  background: linear-gradient(135deg, #059669 0%, #10b981 50%, #047857 100%);
  box-shadow: 0 8px 22px -3px rgba(5, 150, 105, 0.5), 0 3px 8px rgba(0, 0, 0, 0.12);
}
.float-phone:hover {
  box-shadow: 0 12px 28px -2px rgba(5, 150, 105, 0.65), 0 4px 12px rgba(0, 0, 0, 0.2);
}

/* Vòng sóng Radar lan tỏa (Pulse Wave) */
.float-pulse-ring {
  position: absolute;
  top: 50%;
  left: 6px;
  transform: translateY(-50%);
  width: 38px;
  height: 38px;
  border-radius: 50%;
  pointer-events: none;
  animation: pulse-ring-glow 2.4s infinite cubic-bezier(0.215, 0.61, 0.355, 1);
}
.float-pulse-ring.zalo-ring {
  animation: pulse-ring-zalo 2.4s infinite cubic-bezier(0.215, 0.61, 0.355, 1);
}

@keyframes pulse-ring-glow {
  0% {
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.85);
  }
  70% {
    box-shadow: 0 0 0 16px rgba(16, 185, 129, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
  }
}

@keyframes pulse-ring-zalo {
  0% {
    box-shadow: 0 0 0 0 rgba(0, 132, 255, 0.85);
  }
  70% {
    box-shadow: 0 0 0 16px rgba(0, 132, 255, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(0, 132, 255, 0);
  }
}

/* Hiệu ứng Rung Chuông Điện Thoại Ngắt Quãng */
.icon-phone-shake {
  animation: phone-shake-anim 3.5s infinite ease-in-out;
  transform-origin: center;
}
@keyframes phone-shake-anim {
  0%, 100%, 75% { transform: rotate(0deg) scale(1); }
  78%, 86% { transform: rotate(-18deg) scale(1.1); }
  82%, 90% { transform: rotate(18deg) scale(1.1); }
  94% { transform: rotate(-10deg) scale(1.05); }
  98% { transform: rotate(10deg) scale(1.05); }
}

/* --- 2. NÚT ZALO: Xanh Công Nghệ & Chấm Xanh Trực Tuyến --- */
.float-zalo {
  background: linear-gradient(135deg, #0068ff 0%, #0084ff 50%, #0052cc 100%);
  box-shadow: 0 8px 22px -3px rgba(0, 104, 255, 0.5), 0 3px 8px rgba(0, 0, 0, 0.12);
}
.float-zalo:hover {
  box-shadow: 0 12px 28px -2px rgba(0, 104, 255, 0.65), 0 4px 12px rgba(0, 0, 0, 0.2);
}

/* Hiệu ứng Nhịp Tim / Nảy Bong Bóng Chat */
.icon-chat-bounce {
  animation: chat-bounce-anim 3.5s infinite ease-in-out;
  transform-origin: center;
}
@keyframes chat-bounce-anim {
  0%, 100%, 75% { transform: scale(1); }
  80% { transform: scale(1.22); }
  88% { transform: scale(0.92); }
  94% { transform: scale(1.12); }
}

/* Chấm Xanh Neon Báo "Đang Trực Tuyến 24/7" */
.online-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  background-color: #22c55e;
  border-radius: 50%;
  box-shadow: 0 0 6px #22c55e;
  animation: online-pulse 1.6s infinite ease-in-out;
}
@keyframes online-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.45; transform: scale(0.75); }
}

/* Dải Sáng Quét Kim Loại (Shimmer Sweep) */
.float-shimmer-sweep {
  position: absolute;
  top: 0;
  left: -120%;
  width: 70%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.35), transparent);
  transform: skewX(-25deg);
  pointer-events: none;
  animation: shimmer-sweep-anim 4.2s infinite ease-in-out;
}
@keyframes shimmer-sweep-anim {
  0%, 65% { left: -120%; }
  100% { left: 220%; }
}

/* Nút Cuộn Lên Đầu Trang */
.back-to-top {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: #0f172a;
  color: #cbd5e1;
  border: 1px solid rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  align-self: flex-end;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.25);
}
.back-to-top:hover {
  background: #d97706;
  border-color: #d97706;
  color: #ffffff;
  transform: translateY(-2px);
}
.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

/* ==========================================================================
   14. ABOUT PAGE - LUXURY INDUSTRIAL ARCHITECTURE (Trang Giới Thiệu Chỉnh Chu)
   ========================================================================== */
.about-hero-banner {
  background: linear-gradient(140deg, #091124 0%, #111d38 55%, #1e293b 100%);
  color: #ffffff;
  padding: 56px 0 64px;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid rgba(217, 119, 6, 0.25);
}
.about-hero-banner::after {
  content: "";
  position: absolute;
  top: -20%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(217, 119, 6, 0.08) 0%, transparent 70%);
  pointer-events: none;
}
.about-hero-inner {
  position: relative;
  z-index: 2;
  max-width: 900px;
}
.about-hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(217, 119, 6, 0.16);
  border: 1px solid rgba(217, 119, 6, 0.4);
  color: #fde68a;
  padding: 5px 16px;
  border-radius: 999px;
  font-size: 0.76rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 18px;
}
.about-hero-title {
  font-size: 2.35rem;
  line-height: 1.25;
  color: #ffffff;
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}
.about-hero-title .text-gold {
  color: #f59e0b;
}
.about-hero-desc {
  font-size: 1.05rem;
  line-height: 1.7;
  color: #cbd5e1;
  margin-bottom: 26px;
  max-width: 780px;
}
.about-hero-highlights {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.about-hl-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.14);
  padding: 7px 15px;
  border-radius: 8px;
  font-size: 0.84rem;
  color: #e2e8f0;
  font-weight: 500;
  backdrop-filter: blur(4px);
}
.about-hl-item svg {
  color: #f59e0b;
  flex-shrink: 0;
}

/* Thẻ Pháp Nhân Doanh Nghiệp (Official Legal Credentials Card) */
.about-corp-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 34px 38px;
  margin: -40px auto 48px;
  position: relative;
  z-index: 10;
  box-shadow: 0 12px 36px rgba(15, 23, 42, 0.08);
}
.about-corp-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 24px;
}
.about-corp-brand {
  display: flex;
  align-items: center;
  gap: 16px;
}
.about-corp-logo-wrap {
  width: 56px;
  height: 56px;
  background: #0f172a;
  border: 1.5px solid #334155;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}
.about-corp-names h2 {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--navy-base);
  margin: 0 0 4px;
  letter-spacing: -0.01em;
}
.about-corp-names p {
  margin: 0;
  font-size: 0.88rem;
  color: var(--navy-light);
  font-weight: 600;
}
.about-corp-badge-direct {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #ecfdf5;
  color: #047857;
  border: 1px solid #a7f3d0;
  padding: 7px 16px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 700;
}

/* Lưới Thông Tin Pháp Lý */
.about-corp-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.about-corp-field {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.about-corp-label {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--navy-light);
}
.about-corp-value {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--navy-base);
  line-height: 1.45;
}
.about-corp-value a {
  color: var(--gold-hover);
  text-decoration: none;
}
.about-corp-value a:hover {
  text-decoration: underline;
}

/* Khối Câu Chuyện Cơ Khí & Giá Trị Cốt Lõi */
.about-story-section {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 44px;
  align-items: start;
  margin-bottom: 55px;
}
.about-story-text h3 {
  font-size: 1.55rem;
  color: var(--navy-base);
  font-weight: 800;
  margin-bottom: 16px;
  line-height: 1.35;
}
.about-story-text p {
  color: var(--navy-soft);
  font-size: 0.96rem;
  line-height: 1.75;
  margin-bottom: 18px;
}
.about-story-callout {
  background: var(--gold-soft-bg);
  border-left: 4px solid var(--gold-primary);
  border-radius: 0 8px 8px 0;
  padding: 18px 22px;
  margin: 24px 0;
  font-size: 0.94rem;
  line-height: 1.65;
  color: #78350f;
  font-weight: 500;
}

/* Hộp 3 Giá Trị Cốt Lõi */
.about-values-box {
  background: #f8fafc;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 30px 26px;
}
.about-values-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--navy-base);
  margin-bottom: 22px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.about-val-item {
  display: flex;
  gap: 15px;
  margin-bottom: 20px;
}
.about-val-item:last-child {
  margin-bottom: 0;
}
.about-val-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(217, 119, 6, 0.12);
  color: var(--gold-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.about-val-text h4 {
  font-size: 0.98rem;
  color: var(--navy-base);
  font-weight: 700;
  margin: 0 0 5px;
}
.about-val-text p {
  font-size: 0.86rem;
  color: var(--navy-light);
  line-height: 1.55;
  margin: 0;
}

/* Cấu Trúc Kỹ Thuật 3 Lớp Siêu Vững Chắc */
.about-tech-section {
  margin-bottom: 55px;
}
.about-section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 36px;
}
.about-section-tag {
  display: inline-block;
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--gold-primary);
  margin-bottom: 8px;
}
.about-section-title {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--navy-base);
  line-height: 1.3;
  margin-bottom: 12px;
}
.about-section-subtitle {
  font-size: 0.96rem;
  color: var(--navy-light);
  line-height: 1.6;
  margin: 0;
}
.about-tech-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.about-tech-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 28px 24px;
  position: relative;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.about-tech-card:hover {
  transform: translateY(-3px);
  border-color: var(--gold-border);
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.06);
}
.about-tech-icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  background: rgba(217, 119, 6, 0.1);
  color: var(--gold-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}
.about-tech-card h4 {
  font-size: 1.12rem;
  color: var(--navy-base);
  font-weight: 800;
  margin-bottom: 10px;
}
.about-tech-card p {
  font-size: 0.88rem;
  color: var(--navy-soft);
  line-height: 1.65;
  margin: 0;
}

/* Quy Trình 4 Bước Chế Tác Cơ Khí */
.about-process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 55px;
}
.about-process-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 26px 20px;
  position: relative;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.about-process-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 22px rgba(15, 23, 42, 0.06);
}
.about-process-step {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 800;
  color: var(--gold-primary);
  background: var(--gold-light);
  padding: 3px 10px;
  border-radius: 4px;
  margin-bottom: 14px;
  letter-spacing: 0.05em;
}
.about-process-card h4 {
  font-size: 1.02rem;
  color: var(--navy-base);
  font-weight: 700;
  margin-bottom: 8px;
  line-height: 1.4;
}
.about-process-card p {
  font-size: 0.86rem;
  color: var(--navy-light);
  line-height: 1.6;
  margin: 0;
}

/* Lưới Thống Kê / Số Liệu Thực Tế */
.about-stats-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-bottom: 55px;
}
.about-stat-tile {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 24px 18px;
  text-align: center;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.02);
}
.about-stat-num {
  font-size: 2.15rem;
  font-weight: 800;
  color: var(--gold-primary);
  line-height: 1.1;
  margin-bottom: 6px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}
.about-stat-lbl {
  font-size: 0.84rem;
  color: var(--navy-soft);
  font-weight: 600;
  line-height: 1.4;
}

/* Grid 4 Cam Kết Vàng */
.about-guarantees-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  margin-bottom: 55px;
}
.about-guarantee-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 26px 22px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.about-guarantee-icon {
  width: 46px;
  height: 46px;
  border-radius: 10px;
  background: #f1f5f9;
  color: var(--navy-base);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.about-guarantee-info h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--navy-base);
  margin: 0 0 6px;
}
.about-guarantee-info p {
  font-size: 0.86rem;
  color: var(--navy-light);
  margin: 0;
  line-height: 1.55;
}

/* CTA Box Chân Trang Giới Thiệu */
.about-cta-container {
  background: linear-gradient(140deg, #091124 0%, #111d38 60%, #1e293b 100%);
  border: 1px solid rgba(217, 119, 6, 0.35);
  border-radius: 14px;
  padding: 44px 38px;
  color: #ffffff;
  text-align: center;
  margin-bottom: 30px;
  box-shadow: 0 14px 36px rgba(9, 17, 36, 0.2);
}
.about-cta-container h3 {
  font-size: 1.65rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 12px;
  line-height: 1.3;
}
.about-cta-container p {
  font-size: 0.95rem;
  color: #cbd5e1;
  max-width: 660px;
  margin: 0 auto 28px;
  line-height: 1.65;
}
.about-cta-btns {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

/* ==========================================================================
   15. TOÀN DIỆN RESPONSIVE BREAKPOINTS (Desktop, Tablet, Mobile)
   ========================================================================== */

/* --- 1. LAPTOP & SMALL DESKTOP (<= 1200px) --- */
@media (max-width: 1200px) {
  :root {
    --container-max: 100%;
  }
  .header-container,
  .container {
    max-width: 100%;
    padding-left: 20px;
    padding-right: 20px;
  }
  .hero-showroom-grid {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 30px;
  }
  .products-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
  }
}

/* --- 2. TABLET LANDSCAPE & TABLET PORTRAIT (<= 991px) --- */
@media (max-width: 991px) {
  /* Header & Navigation */
  .top-bar-right {
    display: none;
  }
  .top-bar-inner {
    justify-content: center;
  }
  .header-inner {
    padding: 10px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
  }
  .header-action {
    display: flex;
    align-items: center;
    order: 2;
    margin-left: auto;
    margin-right: 10px;
  }
  .main-navigation {
    position: static;
    order: 3;
  }
  .menu-toggle {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    background: #ffffff;
    border: 1.5px solid #cbd5e1;
    border-radius: 8px;
    cursor: pointer;
  }
  .menu-toggle:hover,
  .menu-toggle.active {
    border-color: var(--gold-primary);
    background: var(--gold-soft-bg);
  }
  .main-navigation {
    position: static;
  }
  .main-navigation .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #ffffff;
    flex-direction: column;
    align-items: stretch;
    padding: 16px 20px 24px;
    box-shadow: 0 16px 30px rgba(15, 23, 42, 0.14);
    border-top: 1px solid var(--border-color);
    gap: 6px;
    z-index: 1000;
  }
  .main-navigation .nav-menu.is-open {
    display: flex;
  }
  .main-navigation .nav-menu > li > a {
    display: block;
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--navy-base);
  }
  .main-navigation .nav-menu > li > a:hover {
    background: #f1f5f9;
    color: var(--gold-primary);
  }
  .header-action {
    display: flex;
    align-items: center;
  }
  .btn-header-call {
    padding: 7px 12px;
  }
  .btn-header-call .call-label {
    display: none;
  }
  .btn-header-call .call-number {
    font-size: 0.85rem;
  }

  /* Layout Grids */
  .hero-showroom-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .products-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }
  .category-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  .layout-with-sidebar {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .product-single-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .contact-page-grid {
    display: grid;
    grid-template-columns: 1fr !important;
    gap: 28px;
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 26px;
  }
  .about-corp-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .about-story-section {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .about-tech-grid {
    grid-template-columns: 1fr;
  }
  .about-process-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .about-stats-strip {
    grid-template-columns: repeat(2, 1fr);
  }
  .product-quote-card {
    padding: 32px 24px;
  }
  .quote-card-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

/* --- 3. LARGE MOBILE & PHABLET (<= 768px) --- */
@media (max-width: 768px) {
  .header-container,
  .container {
    padding-left: 14px;
    padding-right: 14px;
  }
  .section {
    padding-top: 36px;
    padding-bottom: 36px;
  }
  .section-header {
    margin-bottom: 24px;
  }
  .section-title {
    font-size: 1.55rem;
  }
  .hero-headline {
    font-size: clamp(1.65rem, 5vw, 2.1rem);
  }
  .product-inquiry-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .product-inquiry-box {
    padding: 24px 18px;
  }
  .product-description-block {
    padding: 22px 16px;
  }
  .cta-quote-wrapper {
    grid-template-columns: 1fr;
  }
}

/* --- 4. STANDARD MOBILE (<= 640px) --- */
@media (max-width: 640px) {
  /* Top Bar */
  .top-slogan .slogan-text {
    display: none;
  }
  .top-bar-left {
    width: 100%;
    justify-content: space-between;
  }

  /* Header Compact */
  .site-branding svg {
    max-width: 180px;
    height: auto;
  }
  .btn-header-call .call-text-wrap {
    display: none;
  }
  .menu-toggle {
    width: 40px !important;
    height: 40px !important;
    padding: 0 !important;
    justify-content: center !important;
    align-items: center !important;
    border-radius: 8px !important;
    flex-shrink: 0;
  }
  .menu-toggle-text {
    display: none !important;
  }
  .hamburger-box {
    margin: 0 !important;
  }
  .btn-header-call {
    padding: 8px;
    border-radius: 50%;
    width: 38px;
    height: 38px;
    justify-content: center;
  }
  .call-icon-circle {
    margin: 0;
  }

  /* 2 CỘT SẢN PHẨM TRÊN MOBILE (CHUẨN E-COMMERCE HIỆN ĐẠI) */
  .products-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    gap: 10px !important;
  }
  .product-card {
    border-radius: 8px;
  }
  .product-info {
    padding: 10px 8px;
  }
  .product-brand {
    font-size: 0.65rem;
    margin-bottom: 2px;
  }
  .product-title {
    font-size: 0.835rem;
    line-height: 1.32;
    height: 2.65em;
    margin-bottom: 6px;
  }
  .product-specs-chips {
    gap: 3px;
    margin-bottom: 8px;
  }
  .spec-chip {
    font-size: 0.66rem;
    padding: 2px 5px;
    border-radius: 3px;
  }
  .product-price-row {
    margin-bottom: 8px;
    padding: 4px 6px;
  }
  .price-contact-label {
    font-size: 0.72rem;
  }
  .price-contact-val {
    font-size: 0.8rem;
    font-weight: 800;
  }
  .product-card-actions {
    grid-template-columns: 1fr !important;
    gap: 0 !important;
  }
  .btn-card-detail {
    display: none !important;
  }
  .btn-card-call {
    width: 100% !important;
    padding: 8px 6px !important;
    font-size: 0.78rem !important;
    font-weight: 700 !important;
    border-radius: 6px !important;
    text-align: center;
  }

  /* Lưới Danh Mục Phân Loại - 2 Cột Chuẩn Mobile */
  .category-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    gap: 10px !important;
  }
  .cat-card {
    padding: 14px 10px !important;
    border-radius: 10px !important;
    text-align: center !important;
    align-items: center !important;
  }
  .cat-card .cat-icon-wrap {
    width: 42px !important;
    height: 42px !important;
    margin-bottom: 8px !important;
  }
  .cat-card .cat-icon-wrap svg {
    width: 22px !important;
    height: 22px !important;
  }
  .cat-card .cat-title {
    font-size: 0.86rem !important;
    line-height: 1.3 !important;
    margin-bottom: 4px !important;
  }
  .cat-card .cat-desc {
    display: none !important;
  }
  .cat-card .cat-link {
    font-size: 0.74rem !important;
    margin-top: 4px !important;
    justify-content: center !important;
  }
  .category-grid > .cat-card:last-child:nth-child(odd) {
    grid-column: span 2;
  }

  /* Blog Archive Grid */
  .blog-grid,
  .blog-grid.blog-grid-archive {
    grid-template-columns: 1fr !important;
    gap: 18px;
  }

  /* Trang Chi Tiết Sản Phẩm (Single Product) */
  .product-gallery-container {
    padding: 14px;
    border-radius: 10px;
  }
  .product-visual-perks {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 6px !important;
  }
  .visual-perk-item {
    font-size: 0.75rem !important;
    padding: 6px 8px !important;
  }
  .price-row-contact .price-value-highlight {
    font-size: 1.45rem !important;
    white-space: normal !important;
    word-break: break-word !important;
  }
  .product-action-buttons {
    grid-template-columns: 1fr !important;
    gap: 10px !important;
  }
  .btn-product-action {
    padding: 12px 14px;
    font-size: 0.9rem;
  }
  .product-quick-specs-grid {
    grid-template-columns: 1fr !important;
    gap: 8px !important;
  }

  /* Bảng Thông Số Chi Tiết (Chuyển Thành Dạng Card Xếp Dọc, Không Tràn Viền) */
  .specs-table-wrapper {
    padding: 16px 14px !important;
    border-radius: 10px !important;
    margin: 22px 0 20px !important;
  }
  .specs-table {
    display: block !important;
    width: 100% !important;
  }
  .specs-table tbody,
  .specs-table tr,
  .specs-table th,
  .specs-table td {
    display: block !important;
    width: 100% !important;
  }
  .specs-table tr {
    padding: 8px 0 !important;
    border-bottom: 1px solid #f1f5f9 !important;
  }
  .specs-table tr:last-child {
    border-bottom: none !important;
  }
  .specs-table th {
    padding: 2px 0 !important;
    font-size: 0.78rem !important;
    color: #64748b !important;
    border-bottom: none !important;
  }
  .specs-table td {
    padding: 2px 0 4px 0 !important;
    font-size: 0.9rem !important;
    color: #0f172a !important;
    border-bottom: none !important;
  }

  /* Form & Inputs chuẩn Mobile (Font 16px chống iOS Auto-Zoom) */
  input[type="text"],
  input[type="email"],
  input[type="tel"],
  input[type="number"],
  select,
  textarea {
    font-size: 16px !important;
    min-height: 44px;
  }
  .form-row {
    flex-direction: column;
    gap: 0;
  }

  /* Modal Báo Giá */
  .quote-modal-dialog {
    max-width: 95% !important;
    margin: 12px auto !important;
    border-radius: 14px !important;
  }
  .quote-modal-header {
    padding: 20px 18px 14px !important;
  }
  .quote-modal-body {
    padding: 16px 18px 20px !important;
  }
  .modal-form-grid {
    grid-template-columns: 1fr !important;
    gap: 10px !important;
  }
  .quick-call-actions {
    grid-template-columns: 1fr !important;
    gap: 8px !important;
  }

  /* Footer Chuẩn Mobile */
  .footer-grid {
    grid-template-columns: 1fr !important;
    gap: 22px;
  }
  .footer-top {
    padding: 35px 0 25px;
  }
  .footer-bottom {
    padding: 20px 0 85px; /* Khoảng đệm 85px phía dưới để không bị nút gọi che lấp */
  }
  .footer-bottom-inner {
    padding-right: 0 !important;
    text-align: center;
    flex-direction: column;
    gap: 12px;
  }
  .footer-policy-links {
    justify-content: center !important;
    flex-wrap: wrap !important;
    gap: 6px 12px !important;
  }
  .footer-policy-links li {
    white-space: nowrap !important;
  }
  .policy-sep {
    display: inline-block;
    opacity: 0.5;
  }
  .site-footer {
    padding-bottom: 20px;
  }
  .footer-bottom {
    padding: 20px 0 100px !important;
  }

  /* Nút Gọi & Zalo Nổi (Floating) */
  .floating-contact-buttons {
    bottom: 16px !important;
    right: 14px !important;
    gap: 8px !important;
  }
  .floating-contact-buttons .float-content {
    display: none !important;
  }
  .float-btn {
    padding: 0 !important;
    width: 44px !important;
    height: 44px !important;
    justify-content: center !important;
    border-radius: 50% !important;
  }
  .float-pulse-ring {
    left: 2px !important;
    top: 2px !important;
    width: 40px !important;
    height: 40px !important;
  }

  /* Trang Giới Thiệu */
  .about-hero-title {
    font-size: 1.55rem;
  }
  .about-corp-card {
    padding: 20px 16px;
    margin-top: -18px;
  }
  .about-corp-grid,
  .about-process-grid,
  .about-stats-strip {
    grid-template-columns: 1fr !important;
  }
  .about-cta-container {
    padding: 28px 16px;
  }
}

/* --- 5. SMALL MOBILE (<= 440px) --- */
@media (max-width: 440px) {
  .finder-grid-2x2 {
    grid-template-columns: 1fr !important;
    gap: 8px !important;
  }
  .hero-buttons-row {
    flex-direction: column;
    width: 100%;
  }
  .hero-buttons-row .btn {
    width: 100%;
    justify-content: center;
  }
  .btn-lg {
    padding: 12px 18px;
    font-size: 0.95rem;
  }
  .product-filter-bar {
    padding: 12px 14px;
  }
  .filter-chips-list {
    overflow-x: auto;
    flex-wrap: nowrap !important;
    padding-bottom: 6px;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  .filter-chips-list::-webkit-scrollbar {
    display: none;
  }
  .filter-chip-item {
    flex-shrink: 0;
  }
}

/* ==========================================================================
   16. UPGRADED UI & FEATURES (Báo Giá Liên Hệ & Modal 1-Click)
   ========================================================================== */

/* 1. Trust Metrics Bar (Dải Bảo Chứng Năng Lực Nhà Máy) */
.trust-metrics-bar {
  background: linear-gradient(90deg, #060b17 0%, #0b1528 50%, #060b17 100%);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  border-bottom: 1px solid rgba(217, 119, 6, 0.3);
  padding: 22px 0;
  color: #ffffff;
  position: relative;
  z-index: 10;
}
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  align-items: center;
}
.metric-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 8px 12px;
  border-right: 1px solid rgba(255, 255, 255, 0.08);
}
.metric-item:last-child {
  border-right: none;
}
.metric-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(217, 119, 6, 0.15);
  border: 1px solid rgba(217, 119, 6, 0.35);
  color: #fbbf24;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.metric-content {
  display: flex;
  flex-direction: column;
}
.metric-num {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 800;
  color: #ffffff;
  letter-spacing: -0.01em;
  line-height: 1.2;
}
.metric-label {
  font-size: 0.76rem;
  color: #94a3b8;
  line-height: 1.35;
  margin-top: 2px;
}

/* 2. Thẻ Sản Phẩm - Nâng Cấp Giá Bán Liên Hệ */
.product-meta-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
  gap: 6px;
}
.product-sku-tag {
  font-size: 0.68rem;
  font-weight: 700;
  color: #64748b;
  background: #f1f5f9;
  padding: 1px 6px;
  border-radius: 4px;
  letter-spacing: 0.03em;
}
.product-price-contact {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: linear-gradient(135deg, rgba(217, 119, 6, 0.06) 0%, rgba(15, 23, 42, 0.03) 100%);
  border: 1px solid rgba(217, 119, 6, 0.22);
  border-radius: 6px;
  padding: 8px 12px;
  margin-bottom: 12px;
}
.price-contact-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #64748b;
}
.price-contact-val {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.96rem;
  font-weight: 800;
  color: #b45309;
}
.price-contact-val svg {
  color: #059669;
}
.btn-card-call {
  cursor: pointer;
  border: none;
  font-family: var(--font-heading);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  background: linear-gradient(135deg, #d97706 0%, #b45309 100%);
  box-shadow: 0 2px 6px rgba(217, 119, 6, 0.3);
  transition: all 0.2s ease;
}
.btn-card-call:hover {
  background: linear-gradient(135deg, #b45309 0%, #92400e 100%);
  transform: translateY(-1px);
  box-shadow: 0 4px 10px rgba(217, 119, 6, 0.4);
}

/* Duplicate product-contact-price-box removed; styled in section 11 */

/* 4. Modal Popup Báo Giá Nhanh 1-Click */
.quote-modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(3, 7, 18, 0.75);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 18px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}
.quote-modal-backdrop.is-active {
  opacity: 1;
  visibility: visible;
}
.quote-modal-dialog {
  background: #ffffff;
  border-radius: 16px;
  max-width: 540px;
  width: 100%;
  overflow: hidden;
  box-shadow: 0 25px 60px -15px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255, 255, 255, 0.1);
  position: relative;
  transform: translateY(20px) scale(0.96);
  transition: transform 0.28s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.quote-modal-backdrop.is-active .quote-modal-dialog {
  transform: translateY(0) scale(1);
}
.quote-modal-close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  transition: all 0.2s;
}
.quote-modal-close:hover {
  background: rgba(255, 255, 255, 0.25);
  transform: rotate(90deg);
}
.quote-modal-header {
  background: linear-gradient(135deg, #060b17 0%, #0f172a 60%, #1e293b 100%);
  color: #ffffff;
  padding: 26px 26px 20px;
  border-bottom: 2px solid #d97706;
}
.quote-modal-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #fbbf24;
  margin-bottom: 6px;
}
.quote-modal-title {
  font-size: 1.45rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 6px;
  line-height: 1.25;
}
.quote-modal-desc {
  font-size: 0.83rem;
  color: #cbd5e1;
  margin: 0 0 14px;
  line-height: 1.5;
}
.modal-selected-product {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  padding: 8px 12px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.84rem;
}
.product-badge-icon {
  color: #fbbf24;
  display: flex;
}
.product-badge-text {
  color: #cbd5e1;
}
.product-badge-text strong {
  color: #ffffff;
}
.quote-modal-body {
  padding: 22px 26px 26px;
  background: #ffffff;
}
.modal-form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.modal-form-group {
  display: flex;
  flex-direction: column;
  gap: 5px;
}
.modal-form-group label {
  font-size: 0.8rem;
  font-weight: 700;
  color: #0f172a;
}
.modal-form-group input {
  padding: 10px 14px;
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  font-size: 0.9rem;
  transition: all 0.2s;
}
.modal-form-group input:focus {
  outline: none;
  border-color: #d97706;
  box-shadow: 0 0 0 3px rgba(217, 119, 6, 0.15);
}
.modal-quick-call {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px dashed #e2e8f0;
  text-align: center;
}
.quick-call-label {
  display: block;
  font-size: 0.78rem;
  color: #64748b;
  margin-bottom: 10px;
}
.quick-call-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.modal-call-btn,
.modal-zalo-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 12px;
  border-radius: 8px;
  font-size: 0.82rem;
  font-weight: 700;
  text-decoration: none;
  transition: all 0.2s;
}
.modal-call-btn {
  background: #f8fafc;
  border: 1px solid #cbd5e1;
  color: #0f172a;
}
.modal-call-btn:hover {
  background: #0f172a;
  color: #ffffff;
}
.modal-zalo-btn {
  background: rgba(2, 132, 199, 0.1);
  border: 1px solid rgba(2, 132, 199, 0.3);
  color: #0284c7;
}
.modal-zalo-btn:hover {
  background: #0284c7;
  color: #ffffff;
}

/* Media Queries cho Metrics Bar & Modal */
@media (max-width: 991px) {
  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  .metric-item:nth-child(2) {
    border-right: none;
  }
}
@media (max-width: 576px) {
  .metrics-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .metric-item {
    border-right: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    padding-bottom: 12px;
  }
  .metric-item:last-child {
    border-bottom: none;
  }
  .modal-form-grid {
    grid-template-columns: 1fr;
  }
}


/* Accessibility: Giảm chuyển động theo cài đặt hệ điều hành */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}


/* ==========================================================================
   PRODUCT FILTER BAR (Thanh lọc danh mục sản phẩm)
   ========================================================================== */
.product-filter-bar {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  margin-bottom: 35px;
  box-shadow: var(--shadow-subtle);
}
.filter-bar-inner {
  display: flex;
  align-items: center;
  gap: 15px;
  flex-wrap: wrap;
}
.filter-label {
  font-weight: 700;
  font-size: 0.88rem;
  color: var(--navy-base);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.filter-chips-list {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.filter-chip-item {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: var(--canvas-bg);
  color: var(--navy-base);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  font-size: 0.82rem;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid var(--border-color);
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}
.filter-chip-item:hover {
  border-color: var(--gold-primary);
  color: var(--gold-hover);
  background: var(--gold-soft-bg);
  transform: translateY(-1px);
}
.filter-chip-item.is-active {
  background: var(--gold-primary);
  color: #ffffff;
  border-color: var(--gold-primary);
  box-shadow: 0 2px 8px rgba(217, 119, 6, 0.25);
}
.filter-chip-item.is-active .chip-count {
  color: rgba(255, 255, 255, 0.85);
}
.chip-count {
  color: var(--navy-light);
  font-size: 0.75rem;
}


/* ==========================================================================
   ADMIN BAR & FOOTER LOGO CONTRAST FIXES
   ========================================================================== */
body.admin-bar .site-header.is-sticky {
  top: 32px;
}
@media screen and (max-width: 782px) {
  body.admin-bar .site-header.is-sticky {
    top: 46px;
  }
}

.site-footer .tm-brand-title .tm-part {
  color: #ffffff;
}
.site-footer .tm-company-sub {
  color: #94a3b8;
}


/* ==========================================================================
   LUXURY PRODUCT QUOTE & INQUIRY SECTION (REDESIGNED)
   ========================================================================== */
.product-quote-section {
  margin: 50px 0 60px 0;
  position: relative;
  z-index: 10;
}

.product-quote-card {
  position: relative;
  background: radial-gradient(130% 120% at 20% 0%, #162444 0%, #0c1529 55%, #060a14 100%);
  border: 1px solid rgba(251, 191, 36, 0.32);
  border-radius: 20px;
  padding: 46px 42px;
  box-shadow: 0 24px 60px -15px rgba(2, 6, 23, 0.45), 0 0 0 1px rgba(255, 255, 255, 0.05) inset;
  overflow: hidden;
  color: #ffffff;
}

/* Ambient glow & Grid texture */
.quote-ambient-glow {
  position: absolute;
  top: -150px;
  right: -100px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(245, 158, 11, 0.12) 0%, rgba(2, 132, 199, 0.05) 50%, transparent 75%);
  pointer-events: none;
  z-index: 1;
}

.quote-pattern-grid {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
  z-index: 1;
}

/* 2-Column Grid Layout */
.quote-card-grid {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 40px;
  align-items: start;
  position: relative;
  z-index: 2;
}

/* --- Left Column: Value Props & Hotline --- */
.quote-info-col {
  display: flex;
  flex-direction: column;
}

.quote-badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  align-self: flex-start;
  padding: 5px 14px;
  background: rgba(251, 191, 36, 0.12);
  border: 1px solid rgba(251, 191, 36, 0.35);
  border-radius: 9999px;
  font-size: 0.74rem;
  font-weight: 700;
  color: #fbbf24;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.pulse-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.7);
  animation: quotePulse 2s infinite;
}

@keyframes quotePulse {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(34, 197, 94, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(34, 197, 94, 0); }
}

.quote-main-title {
  font-size: clamp(1.5rem, 2.5vw, 1.95rem);
  font-weight: 800;
  color: #ffffff;
  line-height: 1.3;
  margin-bottom: 14px;
  letter-spacing: -0.015em;
}

.quote-main-desc {
  font-size: 0.95rem;
  color: #cbd5e1;
  line-height: 1.65;
  margin-bottom: 24px;
}
.quote-main-desc strong {
  color: #fbbf24;
  font-weight: 600;
}

/* Perks 2x2 Grid */
.quote-perks-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 24px;
}

.quote-perk-card {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 13px 15px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  transition: all 0.2s ease;
}
.quote-perk-card:hover {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(251, 191, 36, 0.25);
  transform: translateY(-1px);
}

.quote-perk-icon {
  width: 36px;
  height: 36px;
  border-radius: 9px;
  background: rgba(251, 191, 36, 0.12);
  border: 1px solid rgba(251, 191, 36, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fbbf24;
  flex-shrink: 0;
}

.quote-perk-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.quote-perk-text strong {
  color: #ffffff;
  font-size: 0.88rem;
  font-weight: 700;
  line-height: 1.3;
}
.quote-perk-text span {
  color: #94a3b8;
  font-size: 0.78rem;
  line-height: 1.4;
}

/* Hotline & Zalo Consultation Strip */
.quote-hotline-strip {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 14px;
  padding: 16px 20px;
  margin-top: auto;
}

.hotline-strip-label {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 0.82rem;
  color: #cbd5e1;
  margin-bottom: 10px;
}
.hotline-strip-label svg {
  color: #22c55e;
}

.hotline-strip-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.btn-strip-call {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  border-radius: 10px;
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  color: #0f172a !important;
  text-decoration: none;
  font-weight: 700;
  box-shadow: 0 4px 14px rgba(245, 158, 11, 0.35);
  transition: all 0.2s ease;
  flex: 1 1 auto;
}
.btn-strip-call:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(245, 158, 11, 0.5);
  color: #000000 !important;
}

.call-icon-pulse {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(15, 23, 42, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #0f172a;
}

.call-text-wrap {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}
.call-text-wrap .sub {
  font-size: 0.7rem;
  font-weight: 600;
  color: #451a03;
  text-transform: uppercase;
}
.call-text-wrap .num {
  font-size: 0.98rem;
  font-weight: 800;
  color: #0f172a;
}

.btn-strip-zalo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 10px;
  background: #0284c7;
  color: #ffffff !important;
  text-decoration: none;
  font-weight: 700;
  font-size: 0.88rem;
  box-shadow: 0 4px 14px rgba(2, 132, 199, 0.3);
  transition: all 0.2s ease;
  flex: 1 1 auto;
  justify-content: center;
}
.btn-strip-zalo:hover {
  background: #0369a1;
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(2, 132, 199, 0.45);
}

/* --- Right Column: Quote Form Card --- */
.quote-form-col {
  width: 100%;
}

.quote-form-card {
  background: #ffffff;
  border-radius: 16px;
  padding: 30px 28px;
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.32);
  color: #0f172a;
}

.form-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid #f1f5f9;
}

.form-card-kicker {
  display: block;
  font-size: 0.7rem;
  font-weight: 700;
  color: #d97706;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 4px;
}

.form-card-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: #0f172a;
  margin: 0 0 3px 0;
}

.form-card-subtitle {
  font-size: 0.82rem;
  color: #64748b;
  margin: 0;
}

.form-card-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: 9999px;
  background: #fef3c7;
  color: #92400e;
  font-size: 0.7rem;
  font-weight: 700;
  border: 1px solid #fde68a;
  white-space: nowrap;
}

/* Selected Product Mini Banner */
.selected-product-banner {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: #fefce8;
  border: 1px solid #fef08a;
  border-radius: 10px;
  margin-bottom: 20px;
}

.sp-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: #fef08a;
  color: #854d0e;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.sp-details {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.sp-label {
  font-size: 0.72rem;
  color: #854d0e;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 600;
}
.sp-name {
  font-size: 0.92rem;
  color: #0f172a;
  font-weight: 700;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Form Fields Styling */
.quote-interactive-form {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.form-row-2col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

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

.form-field-group label {
  font-size: 0.82rem;
  font-weight: 700;
  color: #1e293b;
}
.form-field-group label .req {
  color: #ef4444;
}

.field-label-subtitle {
  font-size: 0.82rem;
  font-weight: 700;
  color: #1e293b;
}

.input-with-icon {
  position: relative;
  display: flex;
  align-items: center;
}

.input-with-icon .field-icon {
  position: absolute;
  left: 13px;
  color: #94a3b8;
  pointer-events: none;
  transition: color 0.15s ease;
}

.input-with-icon input {
  width: 100%;
  height: 44px;
  padding: 0 14px 0 38px;
  background: #f8fafc;
  border: 1.5px solid #cbd5e1;
  border-radius: 10px;
  font-size: 0.92rem;
  color: #0f172a;
  transition: all 0.2s ease;
}
.input-with-icon input:focus {
  background: #ffffff;
  border-color: #f59e0b;
  box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.18);
  outline: none;
}
.input-with-icon input:focus + .field-icon,
.input-with-icon:focus-within .field-icon {
  color: #d97706;
}

.form-field-group textarea {
  width: 100%;
  padding: 10px 14px;
  background: #f8fafc;
  border: 1.5px solid #cbd5e1;
  border-radius: 10px;
  font-size: 0.9rem;
  color: #0f172a;
  resize: vertical;
  min-height: 56px;
  transition: all 0.2s ease;
  font-family: inherit;
}
.form-field-group textarea:focus {
  background: #ffffff;
  border-color: #f59e0b;
  box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.18);
  outline: none;
}

/* Service Checkbox Grid */
.service-checkbox-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 2px;
}

.service-checkbox-pill {
  position: relative;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 11px;
  border-radius: 8px;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  cursor: pointer;
  user-select: none;
  transition: all 0.15s ease;
}
.service-checkbox-pill:hover {
  background: #f1f5f9;
  border-color: #cbd5e1;
}

.service-checkbox-pill input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.pill-custom-box {
  width: 16px;
  height: 16px;
  border-radius: 4px;
  border: 1.5px solid #94a3b8;
  background: #ffffff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all 0.15s ease;
}

.pill-title {
  font-size: 0.78rem;
  font-weight: 600;
  color: #334155;
  line-height: 1.25;
}

.service-checkbox-pill input[type="checkbox"]:checked ~ .pill-custom-box {
  background: #f59e0b;
  border-color: #d97706;
}
.service-checkbox-pill input[type="checkbox"]:checked ~ .pill-custom-box::after {
  content: "";
  display: block;
  width: 4px;
  height: 8px;
  border: solid #ffffff;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
  margin-bottom: 2px;
}

.service-checkbox-pill input[type="checkbox"]:checked ~ .pill-title {
  color: #92400e;
  font-weight: 700;
}

.service-checkbox-pill:has(input[type="checkbox"]:checked) {
  background: #fefce8;
  border-color: #fde047;
}

/* Submit Action Button */
.btn-quote-submit {
  width: 100%;
  height: 50px;
  border-radius: 12px;
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  color: #0f172a;
  border: none;
  cursor: pointer;
  box-shadow: 0 8px 22px rgba(217, 119, 6, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.96rem;
  letter-spacing: 0.03em;
  transition: all 0.2s ease;
  margin-top: 4px;
}
.btn-quote-submit:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(217, 119, 6, 0.5);
  filter: brightness(1.04);
}
.btn-quote-submit:active:not(:disabled) {
  transform: translateY(1px);
}
.btn-quote-submit:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.spin-icon {
  animation: spinLoading 1s linear infinite;
  display: inline-block;
  margin-right: 8px;
  vertical-align: -3px;
}

@keyframes spinLoading {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* Trust Footer */
.form-trust-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
  padding-top: 10px;
  border-top: 1px solid #f1f5f9;
}

.trust-item {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.74rem;
  color: #64748b;
  font-weight: 500;
}
.trust-item svg {
  color: #10b981;
}

/* Form Response Alert */
.quote-interactive-form .form-response {
  padding: 12px 16px;
  border-radius: 10px;
  font-size: 0.88rem;
  line-height: 1.5;
  margin-top: 10px;
}
.quote-interactive-form .form-response.success {
  background: #f0fdf4;
  border: 1px solid #86efac;
  color: #166534;
}
.quote-interactive-form .form-response.error {
  background: #fef2f2;
  border: 1px solid #fca5a5;
  color: #991b1b;
}

/* Responsive Breakpoints */
@media screen and (max-width: 991px) {
  .product-quote-card {
    padding: 36px 28px;
  }
  .quote-card-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
}

@media screen and (max-width: 600px) {
  .product-quote-card {
    padding: 28px 18px;
    border-radius: 16px;
  }
  .quote-perks-grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }
  .form-row-2col {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .service-checkbox-grid {
    grid-template-columns: 1fr;
    gap: 6px;
  }
  .hotline-strip-actions {
    flex-direction: column;
  }
  .btn-strip-call,
  .btn-strip-zalo {
    width: 100%;
  }
  .quote-form-card {
    padding: 24px 16px;
  }
  .form-trust-footer {
    flex-direction: column;
    align-items: flex-start;
    gap: 5px;
  }
}


/* Form Response Alerts */
.form-response.alert {
  padding: 14px 18px;
  border-radius: 10px;
  font-size: 0.88rem;
  line-height: 1.5;
  margin-top: 14px;
  display: block;
}
.form-response.alert-success {
  background: #f0fdf4 !important;
  border: 1px solid #86efac !important;
  color: #166534 !important;
  box-shadow: 0 4px 12px rgba(22, 101, 52, 0.08);
}
.form-response.alert-danger {
  background: #fef2f2 !important;
  border: 1px solid #fca5a5 !important;
  color: #991b1b !important;
  box-shadow: 0 4px 12px rgba(153, 27, 27, 0.08);
}


/* ==========================================================================
   TEM KIỂM ĐỊNH KIM LOẠI SERI K (DẬP NỔI CAO CẤP - RESPONSIVE TOÀN DIỆN)
   ========================================================================== */
.tm-badge-plate-wrapper {
  max-width: 680px;
  margin: 32px auto;
  padding: 4px;
  border-radius: 12px;
  background: linear-gradient(145deg, #475569, #1e293b, #0f172a);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.28), inset 0 1px 1px rgba(255, 255, 255, 0.2);
}

.tm-badge-plate {
  background: #090d16;
  border: 1.5px solid #64748b;
  border-radius: 9px;
  padding: 20px 24px 16px;
  position: relative;
  overflow: hidden;
  color: #ffffff;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* 4 Đinh tán kim loại 4 góc */
.plate-rivet {
  position: absolute;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #94a3b8;
  box-shadow: inset 0 1px 1px #ffffff, 0 1px 2px #000000;
  z-index: 2;
}
.plate-rivet.rivet-tl { top: 9px; left: 9px; }
.plate-rivet.rivet-tr { top: 9px; right: 9px; }
.plate-rivet.rivet-bl { bottom: 9px; left: 9px; }
.plate-rivet.rivet-br { bottom: 9px; right: 9px; }

/* Grid chia cột: Logo bên trái, Thông tin bên phải */
.plate-inner-grid {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 20px;
  align-items: center;
}

.plate-logo-col {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-right: 1px solid rgba(255, 255, 255, 0.12);
  padding-right: 16px;
}
.plate-svg-logo {
  max-width: 100%;
  height: auto;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.4));
}

.plate-info-col {
  text-align: center;
}

.plate-company-name {
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #f1f5f9;
  line-height: 1.35;
}

.plate-brand-title {
  font-size: 1.85rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  margin: 4px 0 2px;
  text-transform: uppercase;
}
.plate-brand-title .brand-tm {
  color: #cbd5e1;
}
.plate-brand-title .brand-safe {
  background: linear-gradient(135deg, #fde047 0%, #d97706 70%, #b45309 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.plate-slogan {
  font-size: 0.62rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #94a3b8;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}
.plate-slogan .slogan-line {
  display: inline-block;
  width: 16px;
  height: 1px;
  background: #64748b;
}

.plate-meta-row {
  font-size: 0.72rem;
  color: #e2e8f0;
  margin-bottom: 3px;
  font-weight: 600;
  line-height: 1.4;
}
.plate-meta-row .tax-highlight {
  color: #fbbf24;
  font-weight: 800;
  letter-spacing: 0.06em;
}
.plate-meta-row .steel-highlight {
  color: #fde047;
  font-weight: 700;
}

.plate-address-row {
  font-size: 0.64rem;
  color: #94a3b8;
  line-height: 1.35;
  margin-top: 4px;
}

/* Thanh Seri kiểm định góc dưới đáy tem */
.plate-seri-bar {
  margin-top: 14px;
  background: #ffffff;
  color: #0f172a;
  border-radius: 4px;
  padding: 5px 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.05em;
}
.plate-seri-bar .seri-label {
  color: #0f172a;
}
.plate-seri-bar .seri-code {
  color: #475569;
  font-weight: 700;
  letter-spacing: 0.08em;
  display: inline-flex;
  align-items: center;
}
.plate-seri-bar .seri-dots {
  display: inline-block;
  width: 100px;
  border-bottom: 1.5px dotted #64748b;
  margin-left: 6px;
}

/* Responsive Cho Mobile < 600px */
@media (max-width: 600px) {
  .tm-badge-plate-wrapper {
    margin: 20px 0 !important;
    padding: 3px !important;
    border-radius: 10px !important;
  }
  .tm-badge-plate {
    padding: 16px 12px 12px !important;
  }
  .plate-inner-grid {
    grid-template-columns: 1fr !important;
    gap: 12px !important;
  }
  .plate-logo-col {
    border-right: none !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12) !important;
    padding-right: 0 !important;
    padding-bottom: 12px !important;
  }
  .plate-svg-logo {
    width: 70px !important;
    height: 70px !important;
  }
  .plate-company-name {
    font-size: 0.68rem !important;
  }
  .plate-brand-title {
    font-size: 1.55rem !important;
    margin: 2px 0 !important;
  }
  .plate-slogan {
    font-size: 0.58rem !important;
    gap: 4px !important;
    flex-wrap: wrap !important;
  }
  .plate-meta-row {
    font-size: 0.68rem !important;
  }
  .plate-address-row {
    font-size: 0.6rem !important;
  }
  .plate-seri-bar {
    padding: 4px 10px !important;
    font-size: 0.68rem !important;
  }
  .plate-seri-bar .seri-dots {
    width: 60px !important;
  }
}