/* ==========================================================================
   VINFAST THỦ ĐỨC - MODERN CORPORATE LANDING PAGE STYLESHEET (V2)
   Author: Senior Web Developer
   Palette: White, Brighter VinFast Blue (#0066ff), Text Black (#111111)
   ========================================================================== */

/* 1. IMPORTS & GOOGLE FONTS */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

/* 2. DESIGN SYSTEM TOKENS */
:root {
  --primary-blue: #0066ff;
  /* Brighter and more vibrant blue */
  --primary-blue-hover: #0052cc;
  --primary-blue-light: #e6f0ff;
  --primary-blue-border: #b3d1ff;
  --text-black: #111111;
  --text-muted: #555555;
  --bg-gray: #f8f9fa;
  --bg-white: #ffffff;
  --border-color: #e9ecef;

  --font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;

  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);

  --container-width: 1400px;
  --header-height: 95px;
  /* Taller header for spacious corporate feel */
  --topbar-height: 40px;
}

/* 3. BASE & UTILITIES */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-family);
  background-color: var(--bg-white);
  color: var(--text-black);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

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

input,
button,
textarea {
  font-family: inherit;
  font-size: inherit;
  border: none;
  outline: none;
}

button {
  cursor: pointer;
}

.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* Spacer & Layout Helpers */
.py-section {
  padding: 80px 0;
}

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

/* 4. COMPONENT: SECTION HEADERS WITH THIN LINES */
.section-header-wrapper {
  margin-bottom: 48px;
  text-align: center;
}

.section-title-line-container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin-bottom: 8px;
}

.section-line {
  flex-grow: 1;
  height: 1px;
  background-color: var(--primary-blue-border);
  max-width: 150px;
}

.section-title-blue {
  color: var(--primary-blue);
  font-weight: 700;
  font-size: 1.5rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

.section-subtitle-black {
  color: var(--text-black);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 2px;
  margin-bottom: 6px;
  text-transform: uppercase;
}

.section-slogan-blue-dark {
  color: var(--primary-blue-hover);
  font-weight: 800;
  font-size: 1.8rem;
  letter-spacing: 0.5px;
  margin-top: 4px;
}

@media (max-width: 768px) {
  .section-line {
    max-width: 60px;
  }

  .section-title-blue {
    font-size: 1.25rem;
  }

  .section-slogan-blue-dark {
    font-size: 1.4rem;
  }

  .py-section {
    padding: 60px 0;
  }
}

/* 5. TOP CONTACT INFO BAR */
.topbar {
  background-color: var(--primary-blue);
  color: var(--bg-white);
  height: var(--topbar-height);
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  position: relative;
  z-index: 1001;
}

.topbar-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  max-width: 95% !important; /* Premium wide fluid look */
  margin: 0 auto;
  padding: 0 40px !important;
}

.topbar-left {
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.topbar-right {
  display: flex;
  gap: 20px;
}

.topbar-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.topbar-item i {
  font-size: 0.95rem;
}

@media (max-width: 1200px) {
  .topbar {
    display: none;
    /* Hide on mobile to prioritize main navigation */
  }
}

/* 6. FIXED HEADER & NAVIGATION */
.main-header {
  position: fixed;
  top: var(--topbar-height);
  left: 0;
  width: 100%;
  height: var(--header-height);
  background-color: #ffffff;
  /* pure white header */
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  display: flex;
  align-items: center;
  transition: all var(--transition-normal);
}

.main-header.scrolled {
  top: 0;
  height: 75px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  max-width: 95% !important; /* Premium wide fluid look */
  margin: 0 auto;
  padding: 0 40px !important;
}

.logo-wrapper {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-img {
  height: 48px;
  /* Taller logo */
  width: auto;
  object-fit: contain;
  transition: var(--transition-normal);
}

.main-header.scrolled .logo-img {
  height: 38px;
}

.logo-text {
  font-weight: 800;
  font-size: 1.45rem;
  color: var(--primary-blue);
  /* Only THỦ ĐỨC text in blue */
  letter-spacing: 1px;
  text-transform: uppercase;
  font-family: var(--font-family);
}

/* Nav Menu */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-link {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-black);
  letter-spacing: 0.5px;
  position: relative;
  z-index: 1002; /* Stack above the mega menu hover bridge so links remain clickable */
  padding: 6px 0;
  text-transform: uppercase;
}

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

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

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

/* Mobile Menu Button */
.menu-btn {
  display: none;
  background: none;
  flex-direction: column;
  justify-content: space-between;
  width: 24px;
  height: 18px;
  z-index: 1010;
}

.menu-btn-bar {
  width: 100%;
  height: 2px;
  background-color: var(--text-black);
  transition: var(--transition-normal);
  transform-origin: left center;
}

@media (max-width: 1200px) {
  .main-header {
    top: 0;
  }

  .header-container {
    max-width: 100% !important;
    padding: 0 20px !important; /* Mobile friendly spacing */
  }

  .logo-wrapper {
    gap: 8px !important;
  }

  .logo-img {
    height: 38px !important; /* Smaller logo on mobile to prevent overflow */
  }

  .logo-text {
    font-size: 1.15rem !important; /* Smaller text size to prevent wrapping */
    letter-spacing: 0.5px;
  }

  .main-header.scrolled .logo-img {
    height: 32px !important;
  }

  .main-header.scrolled .logo-text {
    font-size: 1.05rem !important;
  }

  .menu-btn {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 300px;
    height: 100vh;
    background-color: var(--bg-white);
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.05);
    flex-direction: column;
    justify-content: flex-start;
    align-items: flex-start;
    padding: 100px 40px 40px;
    gap: 24px;
    transition: var(--transition-normal);
    z-index: 1005;
  }

  .nav-menu.active {
    right: 0;
  }

  .menu-btn.active .menu-btn-bar:nth-child(1) {
    transform: rotate(45deg);
  }

  .menu-btn.active .menu-btn-bar:nth-child(2) {
    opacity: 0;
  }

  .menu-btn.active .menu-btn-bar:nth-child(3) {
    transform: rotate(-45deg);
  }
}

/* 7. FULLSCREEN HERO BANNER - BRIGHT & RESPONSIVE (NO CLIPPING) */
.hero-section {
  position: relative;
  width: 100%;
  background-color: #ffffff;
  margin-top: calc(var(--header-height) + var(--topbar-height));
  display: block;
}

@media (max-width: 1200px) {
  .hero-section {
    margin-top: var(--header-height);
  }
}

.hero-bg {
  width: 100%;
  position: relative;
  z-index: 1;
}

.hero-bg img {
  width: 100%;
  height: auto;
  display: block;
  opacity: 1; /* 100% bright and original colors! */
}

/* Glassmorphism content card on the left side - Ultra Translucent & Blurry */
.hero-container {
  position: absolute;
  top: 50%;
  left: 8%;
  transform: translateY(-50%);
  z-index: 3;
  color: var(--text-black);
  max-width: 540px;
  background: rgba(255, 255, 255, 0.22); /* Ultra translucent! */
  backdrop-filter: blur(25px); /* Strong frosting! */
  -webkit-backdrop-filter: blur(25px);
  padding: 40px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.35); /* Pure white glass shine border */
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.06);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.hero-subtitle {
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--primary-blue);
  margin-bottom: 12px;
}

.hero-title {
  font-size: 2.2rem;
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 24px;
  color: var(--text-black);
}

.hero-title span {
  color: var(--primary-blue);
}

.hero-btns {
  display: flex;
  gap: 16px;
  width: 100%;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  font-size: 0.9rem;
  font-weight: 700;
  border-radius: 4px;
  transition: all var(--transition-normal);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.btn-primary {
  background-color: var(--primary-blue);
  color: var(--bg-white);
  border: 1px solid var(--primary-blue);
}

.btn-primary:hover {
  background-color: var(--primary-blue-hover);
  border-color: var(--primary-blue-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 102, 255, 0.2);
}

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

.btn-secondary:hover {
  background-color: var(--text-black);
  color: var(--bg-white);
  transform: translateY(-2px);
}

@media (max-width: 992px) {
  .hero-container {
    display: none !important;
  }
}

/* Page Header Sub-Page Info Title banner */
.subpage-header-bar {
  background-color: var(--bg-gray);
  border-bottom: 1px solid var(--border-color);
  padding: 40px 0;
  margin-top: calc(var(--header-height) + var(--topbar-height));
}

@media (max-width: 1200px) {
  .subpage-header-bar {
    margin-top: var(--header-height);
  }
}

.subpage-header-title {
  color: var(--primary-blue);
  font-weight: 800;
  font-size: 2rem;
  text-transform: uppercase;
}

.subpage-breadcrumbs {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-top: 8px;
}

.subpage-breadcrumbs a:hover {
  color: var(--primary-blue);
}

/* 8. SECTION 1: NEW CAR CARDS (HORIZONTAL STYLE) */
.new-cars-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  margin-top: 40px;
}

.car-card-horizontal {
  background-color: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: var(--transition-normal);
}

.car-card-horizontal:hover {
  transform: translateY(-6px);
  border-color: var(--primary-blue-border);
}

.car-img-box {
  background-color: var(--bg-white);
  padding: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 16/10;
  overflow: hidden;
  position: relative;
}

.car-img-box img {
  max-width: 90%;
  max-height: 90%;
  object-fit: contain;
  transition: var(--transition-slow);
}

.car-card-horizontal:hover .car-img-box img {
  transform: scale(1.05);
}

.car-info-box-gray {
  background-color: var(--bg-gray);
  padding: 24px;
  text-align: center;
  border-top: 1px solid var(--border-color);
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.car-title-bold-black {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-black);
  margin-bottom: 8px;
  text-transform: uppercase;
}

.car-price-blue {
  font-size: 1rem;
  font-weight: 600;
  color: var(--primary-blue);
}

.car-contact-gray {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-muted);
}

@media (max-width: 768px) {
  .new-cars-list {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 16px !important;
  }
}
@media (max-width: 576px) {
  .new-cars-list {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 12px !important;
  }
  
  .car-card-horizontal .car-img-box {
    padding: 10px !important;
  }
  
  .car-card-horizontal .car-info-box-gray {
    padding: 12px 8px !important;
  }
  
  .car-card-horizontal .car-title-bold-black {
    font-size: 0.85rem !important;
    min-height: auto !important;
    margin-bottom: 4px !important;
  }
  
  .car-card-horizontal .car-price-blue {
    font-size: 0.8rem !important;
  }
  
  .car-card-horizontal .car-contact-gray {
    font-size: 0.78rem !important;
  }
}

/* 9. SECTION 2 & 3: GRID CAR CARD PRODUCT (4 COLUMNS) */
.car-grid-4-col {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 40px;
}

.car-card-grid {
  background-color: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: var(--transition-normal);
  height: 100%;
}

.car-card-grid:hover {
  transform: translateY(-5px);
  border-color: var(--primary-blue-border);
}

.car-card-grid .car-img-box {
  padding: 20px;
  aspect-ratio: 16/10;
}

.car-card-grid:hover .car-img-box img {
  transform: scale(1.06);
}

.car-card-grid .car-info-box-gray {
  padding: 16px;
  border-top: 1px solid var(--border-color);
}

.car-card-grid .car-title-bold-black {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 6px;
  min-height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.car-card-grid .car-price-blue {
  font-size: 0.95rem;
}



@media (max-width: 1200px) {
  .car-grid-4-col {
    grid-template-columns: repeat(3, 1fr);
  }

  
}

@media (max-width: 992px) {
  .car-grid-4-col {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 576px) {
  .car-grid-4-col {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 12px !important;
  }
  
  .car-card-grid .car-img-box {
    padding: 10px !important;
  }
  
  .car-card-grid .car-info-box-gray {
    padding: 12px 8px !important;
  }
  
  .car-card-grid .car-title-bold-black {
    font-size: 0.85rem !important;
    min-height: 38px !important;
    margin-bottom: 4px !important;
  }
  
  .car-card-grid .car-price-blue {
    font-size: 0.8rem !important;
  }
  
  .car-card-grid .car-contact-gray {
    font-size: 0.78rem !important;
  }
}

/* 10. SECTION 4: Thanh CTA nền xanh dương */
.cta-bar-blue-fullwidth {
  background-color: var(--primary-blue);
  color: var(--bg-white);
  padding: 40px 0;
  overflow: hidden;
}

.cta-bar-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
}

.cta-text-side {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.cta-main-title {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.cta-sub-title {
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 1.5px;
  color: var(--primary-blue-light);
}

.cta-button-side .btn-call {
  background-color: var(--bg-white);
  color: var(--primary-blue);
  padding: 14px 28px;
  font-size: 1.15rem;
  font-weight: 800;
  border-radius: 4px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  transition: all var(--transition-normal);
}

.cta-button-side .btn-call:hover {
  transform: scale(1.03);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
  background-color: var(--primary-blue-light);
}

.cta-button-side .btn-call i {
  font-size: 1.3rem;
  animation: phoneRing 1.5s infinite ease-in-out;
}

@keyframes phoneRing {

  0%,
  100% {
    transform: rotate(0);
  }

  10% {
    transform: rotate(15deg);
  }

  20% {
    transform: rotate(-15deg);
  }

  30% {
    transform: rotate(10deg);
  }

  40% {
    transform: rotate(-10deg);
  }

  50% {
    transform: rotate(0);
  }
}

@media (max-width: 768px) {
  .cta-bar-container {
    flex-direction: column;
    text-align: center;
  }

  .cta-button-side,
  .btn-call {
    width: 100%;
    justify-content: center;
  }
}

/* 11. SECTION: VỀ CHÚNG TÔI (2 COLUMNS) */
.about-section {
  background-color: var(--bg-white);
}

.about-grid-2-col {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 60px;
  align-items: center;
}

.about-img-box {
  position: relative;
  border-radius: 4px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.06);
}

.about-img-box img {
  width: 100%;
  height: auto;
  object-fit: cover;
  transition: var(--transition-slow);
}

.about-img-box:hover img {
  transform: scale(1.03);
}

.about-content-box {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.about-title-blue-bold {
  color: var(--primary-blue);
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 24px;
  position: relative;
  padding-bottom: 12px;
  text-transform: uppercase;
}

.about-title-blue-bold::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 60px;
  height: 3px;
  background-color: var(--primary-blue);
}

.about-desc-text {
  font-size: 1rem;
  color: var(--text-black);
  margin-bottom: 30px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.about-desc-text p strong {
  color: var(--primary-blue);
}

.about-bullets {
  list-style: none;
  margin-bottom: 32px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.about-bullet-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
}

.about-bullet-item i {
  color: var(--primary-blue);
  font-size: 1.1rem;
}

.btn-pill-blue {
  background-color: var(--primary-blue);
  color: var(--bg-white);
  padding: 14px 36px;
  font-weight: 700;
  border-radius: 50px;
  /* Pill Shape */
  box-shadow: 0 4px 15px rgba(0, 102, 255, 0.2);
  transition: all var(--transition-normal);
}

.btn-pill-blue:hover {
  background-color: var(--primary-blue-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 102, 255, 0.3);
}

@media (max-width: 992px) {
  .about-grid-2-col {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

/* 12. SECTION: Bottom Form Banner */
.bottom-form-bar-blue-fullwidth {
  background-color: var(--primary-blue);
  color: var(--bg-white);
  padding: 50px 0;
  position: relative;
  overflow: hidden;
}

.bottom-form-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 32px;
}

.form-text-side {
  display: flex;
  align-items: center;
  gap: 20px;
  max-width: 600px;
}

.form-icon-consult {
  font-size: 2.5rem;
  color: var(--bg-white);
  background-color: rgba(255, 255, 255, 0.1);
  width: 70px;
  height: 70px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.form-title-side {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.form-main-title {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.form-sub-desc {
  font-size: 0.95rem;
  color: var(--primary-blue-light);
}

.form-input-side {
  display: flex;
  background-color: var(--bg-white);
  padding: 6px;
  border-radius: 4px;
  width: 100%;
  max-width: 450px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.phone-input-field {
  flex-grow: 1;
  padding: 12px 16px;
  color: var(--text-black);
  background-color: transparent;
  font-size: 1rem;
}

.phone-input-field::placeholder {
  color: #888888;
}

.btn-submit-black {
  background-color: var(--text-black);
  color: var(--bg-white);
  padding: 12px 24px;
  font-weight: 700;
  border-radius: 4px;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn-submit-black:hover {
  background-color: #222222;
  transform: translateX(2px);
}

@media (max-width: 992px) {
  .bottom-form-container {
    flex-direction: column;
    align-items: stretch;
  }

  .form-text-side {
    max-width: 100%;
  }

  .form-input-side {
    max-width: 100%;
  }
}

@media (max-width: 576px) {
  .form-text-side {
    flex-direction: column;
    text-align: center;
  }

  .form-input-side {
    flex-direction: column;
    gap: 10px;
    background-color: transparent;
    padding: 0;
  }

  .phone-input-field {
    background-color: var(--bg-white);
    border-radius: 4px;
    width: 100%;
  }

  .btn-submit-black {
    width: 100%;
    text-align: center;
    padding: 14px;
  }
}

/* 13. FLOATING CONTACT ACTIONS (ZALO & PHONE) */
.floating-actions {
  position: fixed;
  bottom: 30px;
  right: 30px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  z-index: 999;
}

.float-btn {
  width: 55px;
  height: 55px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--bg-white);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
  font-size: 1.5rem;
  transition: all var(--transition-normal);
  position: relative;
}

.float-btn:hover {
  transform: translateY(-4px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
}

.float-btn::before {
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  top: 0;
  left: 0;
  z-index: -1;
  opacity: 0.4;
  animation: pulseFloat 2s infinite;
}

/* Zalo Floating Button styles updated for local icon */
.float-zalo {
  background-color: transparent;
  padding: 0;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
}

.float-zalo::before {
  background-color: #2f80ed;
}

.float-zalo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  animation: phoneRing 1.5s infinite ease-in-out;
}

.float-phone {
  background-color: #27ae60;
}

.float-phone::before {
  background-color: #27ae60;
}

.float-phone i {
  animation: phoneRing 1.5s infinite ease-in-out;
}

@keyframes pulseFloat {
  0% {
    transform: scale(1);
    opacity: 0.4;
  }

  100% {
    transform: scale(1.4);
    opacity: 0;
  }
}

@media (max-width: 576px) {
  .floating-actions {
    bottom: 20px;
    right: 20px;
  }

  .float-btn {
    width: 48px;
    height: 48px;
    font-size: 1.3rem;
  }
}

/* 14. FOOTER */
.site-footer {
  background-color: var(--bg-gray);
  color: var(--text-black);
  border-top: 1px solid var(--border-color);
  padding: 80px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.5fr 1.5fr;
  gap: 40px;
  margin-bottom: 60px;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.footer-col-title {
  font-size: 1.1rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--primary-blue);
  position: relative;
  padding-bottom: 10px;
}

.footer-col-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 2px;
  background-color: var(--primary-blue);
}

.footer-about-text {
  font-size: 0.95rem;
  color: var(--text-muted);
}

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

.footer-link-item a {
  font-size: 0.95rem;
  color: var(--text-muted);
}

.footer-link-item a:hover {
  color: var(--primary-blue);
  padding-left: 4px;
}

.footer-contact-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.footer-contact-item {
  display: flex;
  gap: 12px;
  font-size: 0.95rem;
  color: var(--text-muted);
}

.footer-contact-item i {
  color: var(--primary-blue);
  font-size: 1.1rem;
  margin-top: 3px;
}

.footer-contact-item strong {
  color: var(--text-black);
}

.footer-map-mock {
  border-radius: 4px;
  overflow: hidden;
  border: 1px solid var(--border-color);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.02);
}

.footer-map-mock iframe {
  width: 100%;
  height: 180px;
  display: block;
}

.footer-socials {
  display: flex;
  gap: 12px;
  margin-top: 10px;
}

.social-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--bg-white);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-black);
  transition: all var(--transition-fast);
}

.social-icon:hover {
  background-color: var(--primary-blue);
  color: var(--bg-white);
  border-color: var(--primary-blue);
  transform: translateY(-2px);
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
  font-size: 0.9rem;
  color: var(--text-muted);
}

@media (max-width: 992px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 30px;
  }
}

@media (max-width: 576px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }

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

/* 15. COMPONENT: MODERN POPUP MODAL */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(5px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-card {
  background-color: var(--bg-white);
  width: 92%;
  max-width: 500px;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
  transform: scale(0.9);
  transition: transform var(--transition-normal);
}

.modal-overlay.active .modal-card {
  transform: scale(1);
}

.modal-header {
  background-color: var(--primary-blue);
  color: var(--bg-white);
  padding: 20px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-title {
  font-size: 1.2rem;
  font-weight: 700;
  text-transform: uppercase;
}

.modal-close-btn {
  background: none;
  color: var(--bg-white);
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-body {
  padding: 30px 24px;
}

.modal-form-group {
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.modal-form-label {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-black);
}

.modal-form-input {
  border: 1px solid var(--border-color);
  padding: 12px 16px;
  border-radius: 4px;
  font-size: 1rem;
  transition: var(--transition-fast);
}

select.modal-form-input {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg fill='black' height='24' viewBox='0 0 24 24' width='24' xmlns='http://www.w3.org/2000/svg'><path d='M7 10l5 5 5-5z'/><path d='M0 0h24v24H0z' fill='none'/></svg>");
  background-repeat: no-repeat;
  background-position: right 16px center;
  background-size: 18px;
  padding-right: 40px;
  cursor: pointer;
  background-color: var(--bg-white);
}

.modal-form-input:focus {
  border-color: var(--primary-blue);
  box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.1);
}

.modal-submit-btn {
  background-color: var(--primary-blue);
  color: var(--bg-white);
  width: 100%;
  padding: 14px;
  font-weight: 700;
  border-radius: 4px;
  transition: var(--transition-fast);
  margin-top: 10px;
}

.modal-submit-btn:hover {
  background-color: var(--primary-blue-hover);
}

/* ==========================================
   16. COMPONENT: PREMIUM MEGA DROPDOWN MENU
   ========================================== */

/* Prevent container height shrinking when hovering */
.main-header {
  position: fixed;
  overflow: visible; /* Crucial for mega menu projection */
}

/* Anchor mega-dropdown to the full width header container */
.header-container {
  position: static; /* Allows absolute positioning relative to .main-header */
}

.has-mega-menu {
  position: static; /* Dropdown spans full screen width relative to header */
}

.nav-link i {
  transition: transform var(--transition-fast);
}

.has-mega-menu:hover .nav-link i {
  transform: rotate(180deg);
}

/* Mega dropdown wrapper */
.mega-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  background-color: #ffffff;
  border-top: 1px solid #eeeeee;
  border-bottom: 1px solid var(--border-color);
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.08);
  visibility: hidden;
  opacity: 0;
  transform: translateY(15px);
  transition: all 0.28s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  z-index: 999;
  padding: 35px 0 45px;
  pointer-events: none; /* Prevent accidental triggers */
}

.has-mega-menu:hover .mega-dropdown {
  visibility: visible;
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

/* Layout for 9-car Grid (VinFast EV) exactly matching the user's design */
.mega-grid-ev-row1 {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 15px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
}

.mega-grid-ev-row2 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 15px;
  max-width: 960px;
  margin: 15px auto 0;
  padding: 0 15px;
}

/* Layout for 5-car Grid (Service Cars) */
.mega-grid-service {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 15px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
}

/* Styling for each car item in the mega dropdown */
.mega-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-decoration: none;
  background-color: #ffffff;
  padding: 10px;
  border: 1px solid transparent;
  border-radius: 6px;
  transition: all 0.2s ease;
  cursor: pointer;
}

.mega-item:hover {
  border-color: #f0f0f0;
  box-shadow: 0 8px 20px rgba(0,0,0,0.04);
  transform: translateY(-3px);
}

.mega-img-box {
  width: 100%;
  height: 120px;
  background-color: #f7f9fc;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8px;
  margin-bottom: 12px;
  overflow: hidden;
  transition: background-color 0.2s ease;
}

.mega-item:hover .mega-img-box {
  background-color: #f0f4fa;
}

.mega-img-box img {
  max-width: 95%;
  max-height: 95%;
  object-fit: contain;
  transition: transform 0.3s ease;
}

.mega-item:hover .mega-img-box img {
  transform: scale(1.06);
}

.mega-car-name {
  font-size: 0.88rem;
  font-weight: 800;
  color: var(--text-black);
  text-transform: uppercase;
  margin-bottom: 6px;
  letter-spacing: 0.2px;
  text-align: center;
}

.mega-car-price {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--primary-blue);
  text-align: center;
}

.mega-car-contact {
  font-size: 0.8rem;
  font-weight: 600;
  color: #7f8c8d;
  text-align: center;
}

/* Disable mega menu on mobile viewport to prevent overlapping */
@media (max-width: 1200px) {
  .mega-dropdown {
    display: none !important;
  }
}

/* Mobile Search Box & Menu Staggered Transition */
.mobile-search-item {
  width: 100%;
  display: none; /* Hidden on desktop */
  margin-bottom: 10px;
}

@media (max-width: 1200px) {
  .mobile-search-item {
    display: block; /* Shown on mobile */
  }

  /* Staggered slide in animation from right for mobile menu tabs */
  .nav-menu li {
    transform: translateX(60px);
    opacity: 0;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.4s ease;
    width: 100%;
  }

  .nav-menu.active li {
    transform: translateX(0);
    opacity: 1;
  }

  .nav-menu.active li:nth-child(1) { transition-delay: 0.05s; }
  .nav-menu.active li:nth-child(2) { transition-delay: 0.1s; }
  .nav-menu.active li:nth-child(3) { transition-delay: 0.15s; }
  .nav-menu.active li:nth-child(4) { transition-delay: 0.2s; }
  .nav-menu.active li:nth-child(5) { transition-delay: 0.25s; }
  .nav-menu.active li:nth-child(6) { transition-delay: 0.3s; }
  .nav-menu.active li:nth-child(7) { transition-delay: 0.35s; }
  .nav-menu.active li:nth-child(8) { transition-delay: 0.4s; }
}

.mobile-search-box {
  display: flex;
  align-items: center;
  background-color: var(--bg-gray);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 8px 12px;
  width: 100%;
}

.mobile-search-input {
  border: none;
  background: transparent;
  outline: none;
  width: 100%;
  font-size: 0.9rem;
  color: var(--text-black);
  font-family: var(--font-family);
}

.mobile-search-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 0.95rem;
}

/* ==========================================================================
   DYNAMIC SPECIAL PRICE CALLBACK MODAL STYLES
   ========================================================================== */
.special-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(5px);
  z-index: 10001; /* Layer above standard headers */
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.special-modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.special-modal-card {
  background-color: #ffffff;
  border-radius: 16px;
  width: 90%;
  max-width: 480px;
  padding: 40px 30px 35px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
  position: relative;
  transform: scale(0.9) translateY(20px);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  font-family: var(--font-family);
}

.special-modal-overlay.active .special-modal-card {
  transform: scale(1) translateY(0);
}

.special-modal-close-btn {
  position: absolute;
  top: 15px;
  right: 20px;
  background: none;
  border: none;
  font-size: 1.8rem;
  font-weight: 300;
  color: #888888;
  cursor: pointer;
  line-height: 1;
  transition: color var(--transition-fast);
}

.special-modal-close-btn:hover {
  color: #111111;
}

.special-modal-header {
  margin-bottom: 25px;
}

.special-modal-badge {
  color: #0066ff;
  font-weight: 700;
  font-size: 0.92rem;
  letter-spacing: 0.5px;
  margin-bottom: 6px;
}

.special-modal-title {
  color: #e63946; /* Premium Red-Orange brand price color */
  font-weight: 800;
  font-size: 2rem;
  margin-bottom: 8px;
  letter-spacing: 0.5px;
  line-height: 1.1;
}

.special-modal-subtitle {
  color: #666666;
  font-size: 0.85rem;
  margin: 0;
  font-weight: 400;
}

.special-modal-body {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

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

.special-form-label {
  font-weight: 800;
  font-size: 0.78rem;
  color: #111111;
  letter-spacing: 0.5px;
}

.special-form-input,
.special-form-select,
.special-form-textarea {
  width: 100%;
  border: none;
  border-bottom: 1px solid #cccccc;
  background-color: transparent;
  padding: 8px 0;
  font-size: 0.95rem;
  font-family: inherit;
  color: #111111;
  transition: border-bottom-color var(--transition-fast);
  border-radius: 0;
}

.special-form-input:focus,
.special-form-select:focus,
.special-form-textarea:focus {
  outline: none;
  border-bottom: 2px solid #0066ff;
}

.special-form-select {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg fill='black' height='24' viewBox='0 0 24 24' width='24' xmlns='http://www.w3.org/2000/svg'><path d='M7 10l5 5 5-5z'/><path d='M0 0h24v24H0z' fill='none'/></svg>");
  background-repeat: no-repeat;
  background-position: right 0px center;
  background-size: 18px;
  padding-right: 20px;
  cursor: pointer;
}

.special-form-textarea {
  resize: none;
  height: 60px;
}

.special-form-actions {
  display: flex;
  justify-content: center;
  margin-top: 10px;
}

.special-submit-btn {
  background-color: #0066ff;
  color: #ffffff;
  border: none;
  border-radius: 30px;
  padding: 12px 45px;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: background-color var(--transition-fast);
  box-shadow: 0 4px 12px rgba(0, 102, 255, 0.2);
}

.special-submit-btn:hover {
  background-color: #0052cc;
}


/* ==========================================================================
   INTERACTIVE FULL-WIDTH GOOGLE MAP SECTION
   ========================================================================== */
.footer-fullwidth-map {
  width: 100%;
  height: 400px;
  background-color: #f7fafc;
  border-top: 1px solid rgba(0, 0, 0, 0.05);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  overflow: hidden;
}

.footer-fullwidth-map iframe {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}


/* Invisible Hover Bridge to prevent mega menu from disappearing when cursor moves across the gap */
.mega-dropdown::before {
  content: '';
  position: absolute;
  top: -45px; /* Extends 45px upwards to bridge the physical gap to the nav links */
  left: 0;
  width: 100%;
  height: 45px;
  background: transparent;
  pointer-events: auto; /* Ensures cursor interaction is preserved */
  z-index: -1;
}


/* ==========================================================================
   ENTERPRISE AUTOMOTIVE SEARCH COMPONENT & REAL-TIME SUGGESTION STYLES
   ========================================================================== */
@media (min-width: 1200px) {
  .desktop-search-item {
    position: relative;
    display: flex;
    align-items: center;
    margin-left: 10px;
  }

  .desktop-search-trigger {
    background: none;
    border: none;
    padding: 8px 12px;
    color: var(--text-dark);
    cursor: pointer;
    font-size: 1.1rem;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
  }

  .desktop-search-trigger:hover {
    color: var(--primary-blue);
    background-color: rgba(0, 102, 255, 0.05);
  }

  .desktop-search-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    width: 460px;
    background: #ffffff;
    border-radius: 14px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.16);
    border: 1px solid rgba(0, 0, 0, 0.08);
    padding: 18px;
    display: none;
    z-index: 1000;
    margin-top: 12px;
    transform: translateY(10px);
    transition: all 0.25s ease;
  }

  .desktop-search-dropdown.active {
    display: block;
    transform: translateY(0);
  }
}

@media (max-width: 1199px) {
  .desktop-search-item {
    display: none !important;
  }
}

.search-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  border: 2px solid #e2e8f0;
  border-radius: 30px;
  padding: 0 16px;
  background: #f8fafc;
  transition: all 0.25s ease;
}

.search-input-wrapper:focus-within {
  border-color: var(--primary-blue);
  background: #ffffff;
  box-shadow: 0 0 0 4px rgba(0, 102, 255, 0.12);
}

.desktop-search-input-field {
  border: none;
  background: transparent;
  width: 100%;
  padding: 11px 0;
  font-size: 0.92rem;
  font-weight: 600;
  color: #1e293b;
  outline: none;
}

.desktop-search-input-field::placeholder {
  color: #94a3b8;
  font-weight: 500;
}

.desktop-search-clear-btn {
  background: none;
  border: none;
  color: #94a3b8;
  cursor: pointer;
  padding: 5px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color var(--transition-fast);
}

.desktop-search-clear-btn:hover {
  color: #64748b;
}

.desktop-search-results {
  max-height: 380px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 14px;
  scrollbar-width: thin;
  scrollbar-color: #cbd5e1 transparent;
}

/* Premium Search Result Card */
.search-result-card {
  display: flex;
  align-items: center;
  gap: 15px;
  padding: 10px 12px;
  border-radius: 10px;
  text-decoration: none;
  transition: all 0.2s ease;
  border: 1px solid transparent;
  background-color: #f8fafc;
}

.search-result-card:hover {
  background-color: #eff6ff;
  border-color: rgba(0, 102, 255, 0.15);
  transform: translateY(-1px);
}

.search-result-img-box {
  width: 80px;
  height: 50px;
  background: #ffffff;
  border-radius: 8px;
  border: 1px solid #e2e8f0;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 2px;
  flex-shrink: 0;
}

.search-result-img-box img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.search-result-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex-grow: 1;
}

.search-result-name {
  font-size: 0.95rem;
  font-weight: 700;
  color: #1e293b;
  margin: 0;
  text-align: left;
}

.search-result-price {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--primary-blue);
  text-align: left;
}

.search-result-arrow {
  color: #94a3b8;
  font-size: 0.8rem;
  transition: all 0.2s ease;
}

.search-result-card:hover .search-result-arrow {
  transform: translateX(4px);
  color: var(--primary-blue);
}

.search-empty-state {
  padding: 24px;
  text-align: center;
  color: #64748b;
  font-size: 0.9rem;
  font-weight: 500;
}

/* Mobile Search Suggestion Box */
.mobile-search-results-box {
  width: 100%;
  max-height: 300px;
  overflow-y: auto;
  background: #ffffff;
  border-radius: 12px;
  margin-top: 10px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
  border: 1px solid #e2e8f0;
  display: none;
  flex-direction: column;
  padding: 10px;
  gap: 8px;
  z-index: 999;
  position: relative;
}

.mobile-search-results-box.active {
  display: flex;
}

/* --- RESPONSIVE GRIDS FOR ABOUT & CONTACT SUBPAGES --- */
.about-standards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-bottom: 40px;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 60px;
}

@media (max-width: 992px) {
  .about-standards-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

/* --- PREMIUM LOADING SPINNER NATIVE ROTATION SYSTEM --- */
@keyframes premium-fa-spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

.fa-spinner, .fa-spin {
  display: inline-block !important;
  animation: premium-fa-spin 1.1s linear infinite !important;
}