/* ==========================================================================
   HONDA LEAD 2026 - CHUYÊN NGHIỆP, HIỆN ĐẠI & TỐI ƯU TRẢI NGHIỆM (UI/UX)
   Phong cách: Đại lý chính hãng Honda Việt Nam, thanh lịch, tin cậy, dễ nhìn
   ========================================================================== */

/* --- Biến CSS & Màu sắc thương hiệu --- */
:root {
  --color-primary: #e4002b;          /* Đỏ thương hiệu Honda */
  --color-primary-dark: #b80022;
  --color-primary-light: #fff1f2;
  --color-primary-border: #fecdd3;
  
  --color-accent-blue: #0284c7;      /* Xanh công nghệ */
  --color-accent-green: #16a34a;     /* Xanh lá tiết kiệm xăng */
  
  /* Màu nền & Bề mặt */
  --color-bg: #ffffff;
  --color-bg-gray: #f8fafc;
  --color-bg-card: #ffffff;
  --color-border: #e2e8f0;
  --color-border-dark: #cbd5e1;

  /* Màu chữ */
  --color-text-title: #0f172a;       /* Đen đá đậm cho độ tương phản cao */
  --color-text-body: #334155;        /* Xám đen đọc sách êm mắt */
  --color-text-muted: #64748b;

  /* Typography chuẩn giao diện chuyên nghiệp */
  --font-base: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-scale: 1;

  --text-xs: calc(12px * var(--font-scale));
  --text-sm: calc(13.5px * var(--font-scale));
  --text-base: calc(15px * var(--font-scale));
  --text-md: calc(16.5px * var(--font-scale));
  --text-lg: calc(19px * var(--font-scale));
  --text-xl: calc(22px * var(--font-scale));
  --text-2xl: calc(26px * var(--font-scale));
  --text-3xl: calc(32px * var(--font-scale));

  /* Bo góc & Đổ bóng */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 6px 18px rgba(15, 23, 42, 0.06);
  --shadow-lg: 0 12px 30px rgba(15, 23, 42, 0.08);

  --container-width: 1200px;
  --header-height: 70px;
}

/* Hỗ trợ chỉnh cỡ chữ to cho người lớn tuổi */
[data-font-size="large"] {
  --font-scale: 1.12;
}
[data-font-size="xlarge"] {
  --font-scale: 1.22;
}

/* --- Reset cơ bản --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-base);
  font-size: var(--text-base);
  line-height: 1.65;
  color: var(--color-text-body);
  background-color: var(--color-bg);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s;
}

button, input, select, textarea {
  font: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

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

/* Section Header */
.section-container {
  padding: 64px 0;
}

.bg-gray {
  background-color: var(--color-bg-gray);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.section-title-wrap {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 40px auto;
}

.section-tag {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  background-color: var(--color-primary-light);
  padding: 4px 14px;
  border-radius: var(--radius-full);
  margin-bottom: 10px;
}

.section-title {
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--color-text-title);
  line-height: 1.3;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.section-subtitle {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.6;
}

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

.text-white {
  color: #ffffff;
}

/* Nút bấm chuẩn */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 10px 22px;
  font-size: var(--text-sm);
  font-weight: 700;
  border-radius: var(--radius-sm);
  transition: all 0.2s;
  white-space: nowrap;
  touch-action: manipulation;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background-color: var(--color-primary);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(228, 0, 43, 0.25);
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  box-shadow: 0 6px 16px rgba(228, 0, 43, 0.35);
}

.btn-secondary {
  background-color: #ffffff;
  color: var(--color-text-title);
  border: 1.5px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

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

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

.btn-lg {
  min-height: 50px;
  padding: 12px 28px;
  font-size: var(--text-base);
}

/* ==========================================================================
   TOP BAR & NAVIGATION HEADER
   ========================================================================== */
.top-bar {
  background-color: #0f172a;
  color: #cbd5e1;
  font-size: var(--text-xs);
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.top-bar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.top-bar-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.top-tag {
  font-weight: 800;
  letter-spacing: 0.06em;
  color: #f87171;
}

.top-divider {
  color: #475569;
}

.top-hotline {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #ffffff;
}

.top-hotline strong {
  color: #f87171;
}

.a11y-controls {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: rgba(255, 255, 255, 0.1);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
}

.a11y-label {
  font-size: 11px;
  color: #94a3b8;
  margin-right: 2px;
}

.a11y-btn {
  color: #ffffff;
  padding: 2px 7px;
  font-size: 11px;
  font-weight: 700;
  border-radius: 4px;
  transition: background 0.2s;
}

.a11y-btn:hover, .a11y-btn.active {
  background: var(--color-primary);
}

/* Main Sticky Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
}

.header-inner {
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}

.site-logo-img {
  height: 36px;
  width: auto;
  object-fit: contain;
  display: block;
  flex-shrink: 0;
}

.brand-divider {
  width: 1px;
  height: 26px;
  background-color: var(--color-border);
  flex-shrink: 0;
}

.footer-logo-card {
  display: inline-flex;
  align-items: center;
  background: #ffffff;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  margin-bottom: 14px;
}

.footer-logo-img {
  height: 38px;
  width: auto;
  object-fit: contain;
  display: block;
}

.drawer-logo-img {
  height: 32px;
  width: auto;
  object-fit: contain;
  display: block;
}

.brand-text {
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}

.brand-name {
  font-size: 1.05rem;
  font-weight: 900;
  letter-spacing: 0.05em;
  color: var(--color-text-title);
  line-height: 1;
}

.model-name {
  font-size: 0.7rem;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: 0.1em;
}

.nav-links {
  display: none;
  list-style: none;
  gap: 18px;
  align-items: center;
}

.nav-link {
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--color-text-body);
  padding: 6px 0;
  position: relative;
  white-space: nowrap;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: width 0.2s;
}

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

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.mobile-menu-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--color-bg-gray);
  color: var(--color-text-title);
  border: 1px solid var(--color-border);
  cursor: pointer;
  flex-shrink: 0;
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
  padding: 36px 0 54px 0;
  background: linear-gradient(180deg, #ffffff 0%, var(--color-bg-gray) 100%);
  border-bottom: 1px solid var(--color-border);
}

.hero-header-box {
  text-align: center;
  max-width: 860px;
  margin: 0 auto 28px auto;
}

.hero-badge {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  background: var(--color-primary-light);
  border: 1px solid var(--color-primary-border);
  padding: 4px 16px;
  border-radius: var(--radius-full);
  margin-bottom: 14px;
}

.hero-title {
  font-size: clamp(1.65rem, 3.2vw, 2.35rem);
  font-weight: 900;
  color: var(--color-text-title);
  line-height: 1.25;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.hero-desc {
  font-size: var(--text-md);
  color: var(--color-text-body);
  line-height: 1.65;
  max-width: 740px;
  margin: 0 auto 24px auto;
}

 

.hero-cta-row {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

.hero-banner-container {
  width: 100%;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  margin-top: 24px;
  margin-bottom: 32px;
  border: 1px solid var(--color-border);
  background: #0f172a;
}

.hero-banner-container img {
  width: 100%;
  height: auto;
  display: block;
}

/* 4 Quick Highlights */
.hero-highlights-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.highlight-item {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: var(--shadow-sm);
}

.highlight-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: #f1f5f9;
  color: var(--color-text-title);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.highlight-text h4 {
  font-size: var(--text-sm);
  font-weight: 800;
  color: var(--color-text-title);
  margin-bottom: 2px;
}

.highlight-text p {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: 1.4;
}

/* ==========================================================================
   SECTION 1: CÁC PHIÊN BẢN & MÀU SẮC (SHOWROOM)
   ========================================================================== */
.version-selector-wrap {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 4px;
}

.version-selector-label {
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-text-title);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.version-tabs-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 0;
}

.version-tab-btn {
  background: #ffffff;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 4px;
  box-shadow: var(--shadow-sm);
  transition: all 0.2s;
  cursor: pointer;
}

.version-tab-btn:hover {
  border-color: var(--color-primary);
}

.version-tab-btn.active {
  border-color: var(--color-primary);
  background: #fffafa;
  box-shadow: 0 4px 14px rgba(228, 0, 43, 0.12);
}

.tab-btn-title {
  font-size: var(--text-sm);
  font-weight: 800;
  color: var(--color-text-title);
  line-height: 1.25;
}

.tab-btn-badge {
  display: inline-block;
  font-size: 10.5px;
  font-weight: 800;
  color: #ffffff;
  background: var(--color-primary);
  padding: 2px 7px;
  border-radius: var(--radius-full);
  width: fit-content;
  line-height: 1.2;
}

.tab-btn-badge.badge-gray {
  background: #e2e8f0;
  color: var(--color-text-body);
}

.tab-btn-price {
  font-size: 12.5px;
  font-weight: 700;
  color: var(--color-primary);
  margin-top: 2px;
}

/* Showroom Card */
.showroom-card {
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  gap: 36px;
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-md);
  align-items: center;
}

.showroom-image-box {
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle, #f1f5f9 0%, #ffffff 70%);
  border-radius: var(--radius-md);
  padding: 20px;
  min-height: 380px;
}

#selected-vehicle-img {
  max-width: 500px;
  width: 100%;
  height: auto;
  transition: opacity 0.25s ease;
}

.showroom-info-box {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.showroom-badge {
  display: inline-block;
  font-size: 11.5px;
  font-weight: 800;
  color: var(--color-primary);
  background: var(--color-primary-light);
  padding: 3px 12px;
  border-radius: var(--radius-full);
  width: fit-content;
  border: 1px solid var(--color-primary-border);
}

.showroom-name {
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--color-text-title);
  line-height: 1.3;
}

.showroom-price-panel {
  background: var(--color-bg-gray);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
}

.showroom-price-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.showroom-price-num {
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--color-primary);
  margin: 2px 0;
}

.showroom-price-sub {
  font-size: 12px;
  color: var(--color-text-muted);
}

.swatches-wrap {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.swatches-label {
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-text-title);
}

.color-swatches {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.swatch-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: #ffffff;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-text-body);
  transition: all 0.2s;
}

.swatch-btn:hover {
  border-color: var(--color-primary);
}

.swatch-btn.active {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
  color: var(--color-primary);
}

.swatch-circle {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 1px solid rgba(0, 0, 0, 0.15);
}

.showroom-specs-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}

.spec-mini-item {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--color-bg-gray);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
}

.spec-mini-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: rgba(228, 0, 43, 0.1);
  color: var(--color-primary);
  font-size: 11px;
  font-weight: 900;
  flex-shrink: 0;
}

.spec-mini-val {
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-text-title);
  line-height: 1.3;
}

.showroom-actions {
  display: grid;
  grid-template-columns: 1fr 1.35fr;
  gap: 12px;
  margin-top: 4px;
}

.showroom-btn-hotline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 800;
}

.showroom-btn-quote {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 800;
}

/* ==========================================================================
   SECTION 2: THIẾT KẾ (DESIGN)
   ========================================================================== */
.design-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.design-card {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}

.design-media {
  width: 100%;
  aspect-ratio: 16 / 10;
  background: #f1f5f9;
  overflow: hidden;
}

.design-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.design-card:hover .design-media img {
  transform: scale(1.04);
}

.design-body {
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.design-step {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--color-primary);
}

.design-body h4 {
  font-size: var(--text-lg);
  font-weight: 800;
  color: var(--color-text-title);
}

.design-body p {
  font-size: var(--text-sm);
  color: var(--color-text-body);
  line-height: 1.6;
}

/* ==========================================================================
   SECTION 3: ĐỘNG CƠ & ABS
   ========================================================================== */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.tech-item-card {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}

.tech-media {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  background: #0f172a;
}

.tech-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.tech-pill-tag {
  position: absolute;
  bottom: 12px;
  left: 12px;
  background: rgba(15, 23, 42, 0.85);
  color: #ffffff;
  font-size: 11px;
  font-weight: 800;
  padding: 3px 10px;
  border-radius: var(--radius-sm);
}

.tech-content {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.tech-content h3 {
  font-size: var(--text-lg);
  font-weight: 800;
  color: var(--color-text-title);
}

.tech-content p {
  font-size: var(--text-sm);
  color: var(--color-text-body);
  line-height: 1.6;
}

.specs-pill-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-top: 6px;
}

.spec-pill {
  background: var(--color-bg-gray);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
}

.spec-pill-label {
  display: block;
  font-size: 11px;
  color: var(--color-text-muted);
}

.spec-pill-val {
  font-size: var(--text-sm);
  font-weight: 800;
  color: var(--color-text-title);
  margin-top: 2px;
}

.benefit-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 6px;
}

.benefit-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: var(--text-sm);
  color: var(--color-text-body);
  line-height: 1.5;
}

.benefit-list svg {
  flex-shrink: 0;
  margin-top: 3px;
}

/* ==========================================================================
   SECTION 4: TIỆN ÍCH (UTILITY)
   ========================================================================== */
.utility-hero-box {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 32px;
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 24px;
  align-items: center;
}

.utility-hero-img {
  width: 100%;
  aspect-ratio: 16 / 10;
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.utility-hero-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.badge-red {
  display: inline-block;
  font-size: 11.5px;
  font-weight: 800;
  color: #ffffff;
  background: var(--color-primary);
  padding: 3px 12px;
  border-radius: var(--radius-full);
  margin-bottom: 8px;
}

.utility-hero-text h3 {
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--color-text-title);
  line-height: 1.3;
  margin-bottom: 10px;
}

.utility-hero-text p {
  font-size: var(--text-sm);
  color: var(--color-text-body);
  line-height: 1.65;
  margin-bottom: 14px;
}

.util-check-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.util-check-tags span {
  font-size: 12px;
  font-weight: 700;
  color: var(--color-text-title);
  background: var(--color-bg-gray);
  border: 1px solid var(--color-border);
  padding: 4px 12px;
  border-radius: var(--radius-full);
}

.utility-cards-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-bottom: 48px;
}

.utility-mini-card {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}

.mini-card-media {
  width: 100%;
  aspect-ratio: 16 / 10;
  background: #f1f5f9;
}

.mini-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.mini-card-icon-box {
  height: 120px;
  background: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.mini-card-body {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.mini-card-body h4 {
  font-size: var(--text-sm);
  font-weight: 800;
  color: var(--color-text-title);
}

.mini-card-body p {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* Gallery */
.gallery-section-box {
  margin-top: 20px;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.gallery-item {
  position: relative;
  aspect-ratio: 16 / 10;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s;
}

.gallery-item:hover img {
  transform: scale(1.04);
}

.gallery-tag {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(180deg, transparent 0%, rgba(15, 23, 42, 0.85) 100%);
  color: #ffffff;
  font-size: 11.5px;
  font-weight: 600;
  padding: 16px 12px 8px 12px;
}

/* ==========================================================================
   SECTION 5: DỰ TOÁN LĂN BÁNH & TRẢ GÓP (CALCULATOR)
   ========================================================================== */
.calc-box-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 28px;
  margin-bottom: 40px;
}

.calc-form-card {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.calc-card-title {
  font-size: var(--text-md);
  font-weight: 800;
  color: var(--color-text-title);
  padding-bottom: 10px;
  border-bottom: 1px solid var(--color-border);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-text-title);
}

.form-control {
  width: 100%;
  height: 44px;
  padding: 0 14px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  background-color: #ffffff;
  color: var(--color-text-title);
  font-size: var(--text-sm);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(228, 0, 43, 0.15);
}

.calc-result-card {
  background: #0f172a;
  color: #ffffff;
  border-radius: var(--radius-md);
  padding: 28px;
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 18px;
}

.receipt-rows {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.receipt-line {
  display: flex;
  justify-content: space-between;
  font-size: var(--text-sm);
  color: #cbd5e1;
}

.receipt-line strong {
  color: #ffffff;
}

.calc-total-banner {
  background: rgba(255, 255, 255, 0.08);
  border: 1px dashed rgba(255, 255, 255, 0.25);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  display: flex;
  flex-direction: column;
}

.total-caption {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: #f87171;
}

.total-price {
  font-size: 1.85rem;
  font-weight: 900;
  color: #ffffff;
  margin-top: 2px;
}

.calc-installment-note {
  background: rgba(255, 255, 255, 0.05);
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  line-height: 1.6;
  color: #cbd5e1;
}

/* Comparison Table */
.comparison-container {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px;
  box-shadow: var(--shadow-sm);
}

.comparison-title {
  font-size: var(--text-md);
  font-weight: 800;
  color: var(--color-text-title);
  margin-bottom: 18px;
  text-align: center;
}

.table-responsive {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.clean-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-xs);
  text-align: left;
}

.clean-table th, .clean-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--color-border);
}

.clean-table th {
  background: var(--color-bg-gray);
  color: var(--color-text-title);
  font-weight: 800;
}

.clean-table .highlight-col {
  background: #fffafa;
}

.rec-badge {
  font-size: 11px;
  color: var(--color-primary);
  font-weight: 700;
  margin-top: 2px;
}

.check-mark {
  color: var(--color-accent-green);
  font-weight: 700;
}

.cross-mark {
  color: var(--color-text-muted);
}

/* ==========================================================================
   SECTION 6: FAQ ACCORDION
   ========================================================================== */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: #ffffff;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: border-color 0.2s;
}

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

.faq-question {
  width: 100%;
  padding: 16px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  text-align: left;
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-text-title);
}

.faq-chevron {
  width: 18px;
  height: 18px;
  color: var(--color-primary);
  flex-shrink: 0;
  transition: transform 0.25s;
}

.faq-item.active .faq-chevron {
  transform: rotate(180deg);
}

.faq-answer {
  display: none;
  padding: 0 20px 16px 20px;
  font-size: var(--text-xs);
  color: var(--color-text-body);
  line-height: 1.65;
}

.faq-item.active .faq-answer {
  display: block;
}

/* ==========================================================================
   SECTION 7: FORM ĐĂNG KÝ
   ========================================================================== */
.lead-form-card {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-md);
  text-align: center;
}

.form-title {
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--color-text-title);
  margin-bottom: 8px;
}

.form-desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  max-width: 580px;
  margin: 0 auto 24px auto;
  line-height: 1.6;
}

.lead-form {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  text-align: left;
}

.form-submit-btn {
  grid-column: span 2;
  margin-top: 8px;
}

.spin-icon {
  animation: spin 0.9s linear infinite;
}

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

.trust-icons-row {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid var(--color-border);
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  font-weight: 600;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  background-color: #0f172a;
  color: #94a3b8;
  padding: 56px 0 24px 0;
  font-size: var(--text-xs);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 32px;
  margin-bottom: 36px;
}

.footer-desc {
  line-height: 1.65;
  color: #cbd5e1;
}

.footer-col h5 {
  font-size: 13px;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 14px;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-col a:hover {
  color: #ffffff;
}

.footer-hotline {
  font-size: var(--text-base);
  color: #ffffff;
  margin-bottom: 4px;
}

.footer-hotline a {
  color: #f87171;
  font-weight: 800;
}

.footer-sub {
  color: #94a3b8;
  line-height: 1.5;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 20px;
  text-align: center;
  color: #64748b;
}

/* ==========================================================================
   MODAL & MOBILE CONTROLS
   ========================================================================== */
.mobile-bottom-bar {
  display: none;
}

.mobile-nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.65);
  backdrop-filter: blur(4px);
  z-index: 1001;
  opacity: 0;
  visibility: hidden;
  transition: all 0.25s;
}

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

.mobile-nav-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 82%;
  max-width: 320px;
  background: #ffffff;
  z-index: 1002;
  transform: translateX(100%);
  transition: transform 0.25s ease;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

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

.mobile-drawer-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--color-border);
}

.mobile-drawer-close {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--color-bg-gray);
}

.mobile-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.mobile-nav-list a {
  display: block;
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-text-title);
  padding: 6px 0;
}

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.7);
  backdrop-filter: blur(4px);
  z-index: 1010;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: all 0.25s;
}

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

.modal-card {
  background: #ffffff;
  border-radius: var(--radius-md);
  max-width: 440px;
  width: 100%;
  padding: 30px;
  text-align: center;
  box-shadow: var(--shadow-lg);
}

.modal-success-icon {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: #f0fdf4;
  color: #16a34a;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px auto;
}

.modal-title {
  font-size: var(--text-lg);
  font-weight: 800;
  color: var(--color-text-title);
  margin-bottom: 8px;
}

.modal-desc {
  font-size: var(--text-xs);
  color: var(--color-text-body);
  margin-bottom: 20px;
  line-height: 1.6;
}

.back-to-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 14px rgba(228, 0, 43, 0.35);
  z-index: 990;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all 0.2s;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* ==========================================================================
   FLOATING CONTACT BUTTONS (Call, Zalo, Google Maps) - VẾT LOANG & NHẢY
   ========================================================================== */
.floating-contact-group {
  position: fixed;
  right: 24px;
  bottom: 84px;
  z-index: 996;
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: flex-end;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: scale(0.2) translateY(50px);
  transform-origin: bottom right;
  transition: transform 0.45s cubic-bezier(0.34, 1.56, 0.64, 1),
              opacity 0.35s ease,
              visibility 0.35s;
}

/* Kích hoạt zoom lên khi cuộn được 30% */
.floating-contact-group.is-visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: scale(1) translateY(0);
}

.floating-btn-wrap {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: flex-end;
}

/* Hiệu ứng zoom nảy (stagger bounce pop-in) khi xuất hiện */
.floating-contact-group.is-visible .floating-btn-wrap:nth-child(1) {
  animation: zoomBounceIn 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) both 0.05s;
}
.floating-contact-group.is-visible .floating-btn-wrap:nth-child(2) {
  animation: zoomBounceIn 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) both 0.18s;
}
.floating-contact-group.is-visible .floating-btn-wrap:nth-child(3) {
  animation: zoomBounceIn 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) both 0.30s;
}

@keyframes zoomBounceIn {
  0% {
    opacity: 0;
    transform: scale(0.2) translateY(24px);
  }
  70% {
    opacity: 1;
    transform: scale(1.18) translateY(-4px);
  }
  100% {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.floating-btn {
  position: relative;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1),
              box-shadow 0.25s,
              background-color 0.25s,
              border-color 0.25s,
              color 0.25s;
}

.floating-btn:hover {
  transform: scale(1.12) translateY(-2px);
}

/* --- TONE MÀU TRẮNG ĐEN CHUYÊN NGHIỆP (MONOCHROME LUXURY) --- */
/* Nút 1: Bản đồ Maps (Đen than chì sang trọng, icon trắng) */
.btn-map {
  background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
  border: 1.5px solid rgba(255, 255, 255, 0.2);
  color: #ffffff;
  box-shadow: 0 6px 18px rgba(15, 23, 42, 0.25);
  --ripple-color: rgba(15, 23, 42, 0.35);
}

.btn-map:hover {
  background: #ffffff;
  border-color: #0f172a;
  color: #0f172a;
  box-shadow: 0 8px 22px rgba(15, 23, 42, 0.2);
}

/* Nút 2: Nút Zalo (TÂM ĐIỂM NỔI BẬT - Nền trắng tuyết tối giản, không viền ngoài) */
.btn-zalo {
  width: 56px;
  height: 56px;
  background: #ffffff;
  border: none;
  color: #0f172a;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.16);
  --ripple-color: rgba(15, 23, 42, 0.35);
}

.btn-zalo .zalo-text {
  font-family: var(--font-base);
  font-size: 16.5px;
  font-weight: 900;
  letter-spacing: -0.3px;
  color: #0f172a;
  line-height: 1;
  display: block;
  user-select: none;
  -webkit-font-smoothing: antialiased;
  transition: color 0.2s;
}

/* Huy hiệu hỗ trợ 24/7 góc nút Zalo: Nền đỏ Honda, chữ trắng nổi bật */
.zalo-badge-hot {
  position: absolute;
  top: -4px;
  right: -4px;
  background: var(--color-primary, #e4002b);
  color: #ffffff;
  font-size: 9.5px;
  font-weight: 800;
  padding: 1.5px 6px;
  border-radius: 99px;
  border: 1.5px solid #ffffff;
  box-shadow: 0 2px 8px rgba(228, 0, 43, 0.35);
  line-height: 1.2;
  transition: all 0.2s;
}

.btn-zalo:hover {
  background: #0f172a;
  color: #ffffff;
  transform: scale(1.14) translateY(-2px);
  box-shadow: 0 10px 28px rgba(15, 23, 42, 0.3);
}

.btn-zalo:hover .zalo-text {
  color: #ffffff;
}

.btn-zalo:hover .zalo-badge-hot {
  background: var(--color-primary, #e4002b);
  color: #ffffff;
  border-color: #ffffff;
  transform: scale(1.05);
}

/* Nút 3: Hotline Gọi điện (Đen than chì sang trọng, icon trắng) */
.btn-call {
  background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
  border: 1.5px solid rgba(255, 255, 255, 0.2);
  color: #ffffff;
  box-shadow: 0 6px 18px rgba(15, 23, 42, 0.25);
  --ripple-color: rgba(15, 23, 42, 0.35);
}

.btn-call:hover {
  background: #ffffff;
  border-color: #0f172a;
  color: #0f172a;
  box-shadow: 0 8px 22px rgba(15, 23, 42, 0.2);
}

/* VÒNG BÚNG RA MỎNG NHẸ THANH LỊCH (THIN OUTLINE RIPPLE - NHỎ GỌN) */
.ripple-wave {
  position: absolute;
  inset: -1px;
  border-radius: 50%;
  border: 1.2px solid var(--ripple-color);
  background: transparent;
  opacity: 0.75;
  pointer-events: none;
  z-index: 0;
  animation: thin-ripple-spread 2.4s cubic-bezier(0.16, 1, 0.3, 1) infinite;
}

.ripple-wave.ripple-delay {
  animation-delay: 0.8s;
}

@keyframes thin-ripple-spread {
  0% {
    transform: scale(1);
    opacity: 0.75;
    border-width: 1.2px;
  }
  50% {
    opacity: 0.3;
    border-width: 1px;
  }
  100% {
    transform: scale(1.28);
    opacity: 0;
    border-width: 0.6px;
  }
}

/* HIỆU ỨNG NHẢY (BOUNCE / JUMP) THEO CHU KỲ NHẸ NHÀNG */
.floating-btn-wrap:nth-child(1) .floating-btn {
  animation: btn-jump 3.8s ease-in-out infinite 0s;
}
.floating-btn-wrap:nth-child(2) .floating-btn {
  animation: btn-jump 3.8s ease-in-out infinite 0.35s;
}
.floating-btn-wrap:nth-child(3) .floating-btn {
  animation: btn-jump 3.8s ease-in-out infinite 0.7s;
}

@keyframes btn-jump {
  0%, 100% {
    transform: translateY(0);
  }
  10% {
    transform: translateY(-6px) scale(1.04);
  }
  20% {
    transform: translateY(0) scale(0.98);
  }
  30% {
    transform: translateY(-3px) scale(1.02);
  }
  40% {
    transform: translateY(0) scale(1);
  }
}

/* Icon & hiệu ứng rung lắc (Phone shake & Map bounce) */
.floating-icon {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
}

.phone-shake svg {
  animation: phone-shake-anim 2.4s ease-in-out infinite;
  transform-origin: center;
}

@keyframes phone-shake-anim {
  0%, 100% { transform: rotate(0deg); }
  8%, 24% { transform: rotate(-16deg); }
  16%, 32% { transform: rotate(16deg); }
  40% { transform: rotate(0deg); }
}

.btn-map .floating-icon svg {
  animation: map-icon-bounce 3.2s ease-in-out infinite 1.2s;
}

@keyframes map-icon-bounce {
  0%, 100% { transform: translateY(0); }
  12% { transform: translateY(-5px); }
  24% { transform: translateY(0); }
  36% { transform: translateY(-2px); }
  48% { transform: translateY(0); }
}

/* Tooltip phụ trợ khi lướt chuột qua */
.floating-tooltip {
  position: absolute;
  right: 66px;
  background: rgba(15, 23, 42, 0.92);
  color: #ffffff;
  font-size: 12.5px;
  font-weight: 700;
  padding: 6px 12px;
  border-radius: 20px;
  white-space: nowrap;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.18);
  pointer-events: none;
  opacity: 0;
  transform: translateX(10px) scale(0.9);
  transition: all 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
  z-index: 3;
}

.floating-tooltip::after {
  content: '';
  position: absolute;
  right: -5px;
  top: 50%;
  transform: translateY(-50%);
  border-left: 6px solid rgba(15, 23, 42, 0.92);
  border-top: 5px solid transparent;
  border-bottom: 5px solid transparent;
}

.floating-btn-wrap:hover .floating-tooltip {
  opacity: 1;
  transform: translateX(0) scale(1);
}

/* ==========================================================================
   RESPONSIVE DESIGN (MOBILE & TABLET)
   ========================================================================== */
@media (min-width: 992px) {
  .nav-links {
    display: flex;
  }
  .mobile-menu-btn {
    display: none;
  }
}

@media (max-width: 991px) {
  .hero-highlights-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .version-tabs-row {
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
  }
  .showroom-card {
    grid-template-columns: 1fr;
    padding: 24px;
  }
  .showroom-image-box {
    min-height: 280px;
  }
  .design-grid {
    grid-template-columns: 1fr;
  }
  .tech-grid {
    grid-template-columns: 1fr;
  }
  .utility-hero-box {
    grid-template-columns: 1fr;
  }
  .utility-cards-row {
    grid-template-columns: repeat(2, 1fr);
  }
  .calc-box-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 800px) {
  /* Top bar compact single-line */
  .top-bar {
    padding: 6px 0;
  }
  .top-bar-inner {
    justify-content: center;
    gap: 8px;
  }
  .top-bar-right {
    display: none;
  }
  .top-tag {
    font-size: 10px;
    padding: 2px 7px;
  }
  .top-divider {
    color: rgba(255, 255, 255, 0.3);
  }
  .top-hotline-prefix,
  .top-hotline-extra {
    display: none;
  }
  .top-hotline {
    font-size: 11.5px;
  }

  /* Nav Header & Brand */
  .site-header {
    padding: 6px 0;
  }
  .header-inner {
    height: auto;
    min-height: 52px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    flex-wrap: nowrap;
  }
  .logo-brand {
    gap: 8px;
    flex-shrink: 1;
    min-width: 0;
  }
  .site-logo-img {
    height: 30px;
    width: auto;
    flex-shrink: 0;
  }
  .brand-divider {
    height: 20px;
    flex-shrink: 0;
  }
  .brand-text {
    min-width: 0;
    flex-shrink: 0;
  }
  .brand-name {
    font-size: 0.88rem;
    white-space: nowrap;
  }
  .model-name {
    font-size: 0.6rem;
    white-space: nowrap;
  }
  .header-actions {
    display: flex !important;
    flex-direction: row !important;
    flex-wrap: nowrap !important;
    align-items: center !important;
    justify-content: flex-end !important;
    gap: 8px !important;
    flex-shrink: 0 !important;
  }
  .header-phone-num {
    display: none; /* Cắt giảm số điện thoại sau Hotline trên điện thoại */
  }
  .btn-header-hotline {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    white-space: nowrap !important;
    padding: 7px 12px;
    font-size: 12px;
    font-weight: 700;
    border-radius: var(--radius-full);
    gap: 5px;
    flex-shrink: 0 !important;
    line-height: 1;
  }
  .btn-header-hotline svg {
    flex-shrink: 0;
  }
  .mobile-menu-btn {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    width: 36px;
    height: 36px;
    flex-shrink: 0 !important;
    margin: 0 !important;
    padding: 0;
    border-radius: var(--radius-sm);
  }

  /* Hero Section */
  .hero-section {
    padding: 24px 0 34px 0;
  }
  .hero-title {
    font-size: 1.2rem;
    line-height: 1.25;
  }
  .hero-subtitle {
    font-size: var(--text-sm);
    margin-bottom: 18px;
  }
  .hero-badge-pill {
    font-size: 11px;
    padding: 4px 10px;
    margin-bottom: 12px;
  }

  /* Banner Highlights: 2-column compact grid, hide long descriptive text */
  .hero-highlights-grid {
    display: grid !important;
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 8px;
    margin-top: 18px;
  }

  .hero-desc {
    display: none;
  }

  .hero-cta-row {
    display: none;
  }

  .highlight-card {
    display: flex !important;
    padding: 9px 10px;
    gap: 8px;
    border-radius: var(--radius-sm);
    align-items: center;
  }
  .highlight-icon {
    width: 30px;
    height: 30px;
    border-radius: 6px;
    flex-shrink: 0;
  }
  .highlight-icon svg {
    width: 16px;
    height: 16px;
  }
  .highlight-text h4 {
    font-size: 11.5px;
    font-weight: 800;
    line-height: 1.25;
    margin: 0;
    color: var(--color-text-title);
  }
  .highlight-sub {
    display: none; /* Cắt bớt phần chữ mô tả dài dưới banner */
  }

  /* Section Containers */
  .section-container {
    padding: 38px 0;
  }
  .section-title {
    font-size: 1.45rem;
    line-height: 1.28;
  }
  .section-subtitle {
    font-size: var(--text-xs);
    margin-bottom: 20px;
  }

  /* Showroom Card */
  .showroom-card {
    padding: 16px 12px;
    gap: 16px;
    border-radius: var(--radius-md);
  }
  .showroom-image-box {
    min-height: 210px;
    padding: 10px;
  }
  #selected-vehicle-img {
    max-width: 270px;
  }
  .showroom-badge {
    font-size: 10.5px;
    padding: 2px 10px;
  }
  .showroom-name {
    font-size: 1.15rem;
    line-height: 1.3;
  }
  .showroom-price-panel {
    padding: 10px 12px;
  }
  .showroom-price-label {
    font-size: 11px;
  }
  .showroom-price-num {
    font-size: 1.35rem;
  }
  .showroom-price-sub {
    font-size: 10.5px;
    line-height: 1.3;
  }

  .swatches-wrap {
    gap: 6px;
  }
  .swatches-label,
  .version-selector-label {
    font-size: 11px;
    font-weight: 700;
  }
  .color-swatches {
    gap: 6px;
  }
  .swatch-btn {
    padding: 5px 9px;
    font-size: 11px;
    gap: 5px;
  }
  .swatch-circle {
    width: 14px;
    height: 14px;
  }

  /* Version Selector directly under swatches */
  .version-selector-wrap {
    margin-top: 2px;
    gap: 6px;
  }
  .version-tabs-row {
    grid-template-columns: repeat(3, 1fr) !important;
    gap: 5px;
  }
  .version-tab-btn {
    padding: 8px 3px;
    text-align: center;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    gap: 2px;
  }
  .tab-btn-title {
    font-size: 11px;
    font-weight: 800;
    line-height: 1.2;
  }
  .tab-title-prefix {
    display: none; /* Cắt bớt chữ "Bản " để còn "Đặc Biệt", "Cao Cấp", "Tiêu Chuẩn" */
  }
  .tab-btn-badge {
    font-size: 8.5px;
    padding: 1px 4px;
    margin: 1px 0;
  }
  .tab-btn-price {
    font-size: 10.5px;
    font-weight: 800;
    margin-top: 1px;
  }

  /* Showroom Specs mini */
  .showroom-specs-grid {
    grid-template-columns: 1fr;
    gap: 5px;
  }
  .spec-mini-item {
    padding: 6px 10px;
    gap: 6px;
  }
  .spec-mini-icon {
    width: 15px;
    height: 15px;
    font-size: 9.5px;
  }
  .spec-mini-val {
    font-size: 11.5px;
  }

  /* Showroom Actions: Hotline & Nhận Báo Giá side by side */
  .showroom-actions {
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-top: 4px;
  }
  .showroom-btn-hotline,
  .showroom-btn-quote {
    padding: 10px 6px;
    font-size: 12px;
    font-weight: 800;
    gap: 5px;
    justify-content: center;
  }
  .showroom-btn-hotline svg,
  .showroom-btn-quote svg {
    width: 15px;
    height: 15px;
  }

  /* Additional mobile optimizations */
  .utility-cards-row {
    grid-template-columns: 1fr;
  }
  .gallery-grid {
    grid-template-columns: 1fr;
  }
  .lead-form {
    grid-template-columns: 1fr;
  }
  .form-submit-btn {
    grid-column: span 1;
    font-size: 13.5px;
    padding: 12px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .mobile-bottom-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: #ffffff;
    border-top: 1px solid var(--color-border);
    padding: 10px 16px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    z-index: 999;
    box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.05);
  }
  .floating-contact-group {
    bottom: 74px;
    right: 14px;
    gap: 12px;
  }
  .floating-btn {
    width: 46px;
    height: 46px;
  }
  .btn-zalo {
    width: 52px;
    height: 52px;
  }
  .btn-zalo .zalo-text {
    font-size: 15px;
  }
  .floating-tooltip {
    display: none;
  }
  .back-to-top {
    bottom: 74px;
    left: 14px;
    right: auto;
  }
}