/* --- CSS Variables --- */
:root {
  --primary-blue: #0A2342;
  --secondary-blue: #173F5F;
  --primary-green: #20BF55;
  --secondary-green: #0B8F44;
  --accent-orange: #FF6B35;
  --accent-red: #E63946;
  --light-bg: #F8F9FA;
  --text-dark: #333333;
  --text-light: #666666;
  --white: #FFFFFF;
  --border-color: #E0E0E0;
  --shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 10px 20px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 15px 30px rgba(0, 0, 0, 0.15);
  --radius: 8px;
  --transition: all 0.3s ease;
}

/* --- Reset & Base --- */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Inter', sans-serif;
  color: var(--text-dark);
  line-height: 1.6;
  background-color: var(--light-bg);
  overflow-x: hidden;
}

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

ul {
  list-style: none;
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
}

/* Typography */
h1, h2, h3, h4 {
  color: var(--primary-blue);
  line-height: 1.3;
}

.section-title {
  font-size: 2.2rem;
  font-weight: 800;
  text-align: center;
  margin-bottom: 3rem;
  position: relative;
  padding-bottom: 1rem;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background-color: var(--primary-green);
  border-radius: 2px;
}

.section-title.text-left {
  text-align: left;
}
.section-title.text-left::after {
  left: 0;
  transform: none;
}

/* --- Top Bar --- */
.top-bar {
  background-color: var(--primary-blue);
  color: var(--white);
  padding: 8px 0;
}
.top-social {
  display: flex;
  gap: 15px;
}
.top-social a {
  color: var(--white);
  font-size: 1rem;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.1);
}
.top-social a.social-fb:hover { background-color: #0866FF; color: white; }
.top-social a.social-ig:hover { background-color: #E1306C; color: white; }
.top-social a.social-tw:hover { background-color: #1DA1F2; color: white; }
.top-social a.social-yt:hover { background-color: #FF0000; color: white; }

/* --- Header --- */
.site-header {
  background-color: var(--white);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 1rem 0;
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
  width: 100%;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary-green);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 1.8rem;
  color: var(--primary-blue);
  cursor: pointer;
}

.main-nav {
  position: relative;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-item {
  position: relative;
}

.nav-item > a {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  padding: 1.5rem 0;
  font-weight: 600;
  color: var(--primary-blue);
  white-space: nowrap;
}

.nav-item > a i {
  font-size: 0.8rem;
  transition: transform 0.3s ease;
}

.nav-item:hover > a {
  color: var(--primary-green);
}

/* Dropdown General Styles */
.dropdown-menu, .mega-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background-color: var(--white);
  box-shadow: var(--shadow-md);
  border-radius: 0 0 var(--radius) var(--radius);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: var(--transition);
  z-index: 1000;
  min-width: 280px;
  border-top: 3px solid var(--primary-green);
}

.nav-item:hover .dropdown-menu,
.nav-item:hover .mega-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* Multi-column dropdown */
.dropdown-menu.two-cols {
  min-width: 500px;
  display: flex;
  gap: 2rem;
  padding: 1.5rem;
}

.dropdown-menu.three-cols {
  min-width: 750px;
  display: flex;
  gap: 2rem;
  padding: 1.5rem;
}

/* Mega Menu Styles */
.mega-menu {
  width: 850px;
  max-width: 90vw;
  right: 0;
  left: auto;
  transform: translateY(10px);
}

.nav-item:hover .mega-menu {
  transform: translateY(0);
}

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

/* Dropdown items */
.dropdown-group {
  padding: 1.5rem;
}

.dropdown-menu.two-cols .dropdown-group,
.dropdown-menu.three-cols .dropdown-group,
.mega-menu .dropdown-group {
  padding: 0;
}

.dropdown-menu.three-cols .dropdown-group {
  flex: 1;
}

.dropdown-title {
  display: block;
  font-weight: 700;
  color: var(--primary-blue);
  margin-bottom: 1rem;
  font-size: 0.95rem;
  text-transform: uppercase;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.5rem;
}

.dropdown-group ul {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.dropdown-group a {
  color: var(--text-dark);
  font-weight: 400;
  font-size: 0.95rem;
  transition: var(--transition);
  display: block;
}

.dropdown-group a:hover {
  color: var(--primary-green);
  transform: translateX(5px);
}

.btn-outline {
  border: 2px solid var(--primary-green);
  padding: 0.5rem 1.5rem;
  border-radius: 50px;
  color: var(--primary-green) !important;
  display: inline-block;
  white-space: nowrap;
}

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

/* --- Hero Section --- */
.hero {
  position: relative;
  background-color: var(--primary-blue);
  padding: 5rem 0;
  display: flex;
  align-items: center;
  color: var(--white);
  overflow: hidden;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(10, 35, 66, 0.9) 0%, rgba(10, 35, 66, 0.7) 60%, rgba(10, 35, 66, 0.2) 100%);
  z-index: 1;
}

.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3rem;
  align-items: center;
  width: 100%;
}

.hero-left {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-align: left;
}

.hero-title {
  font-size: 2.6rem;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 0.8rem;
  color: var(--white);
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}

.hero-title .hero-highlight {
  color: #FFB703; 
  display: inline-block;
  font-weight: 800;
  margin-top: 0.2rem;
}

.hero-slogan {
  font-size: 1.15rem;
  color: #E2E8F0;
  margin-bottom: 1.5rem;
  line-height: 1.5;
  max-width: 90%;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
}

.hero-benefits {
  list-style: none;
  padding: 0;
  margin: 0 0 2rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.hero-benefits li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.05rem;
  font-weight: 500;
  color: #F1F5F9;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.hero-benefits li i {
  color: var(--primary-green);
  font-size: 1.2rem;
}

.hero-ctas {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: flex-start;
}

.btn-hero-call {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: #FFB703;
  color: #0A2342;
  font-size: 1.2rem;
  font-weight: 800;
  padding: 0.9rem 2rem;
  border-radius: 50px;
  box-shadow: 0 6px 15px rgba(255, 183, 3, 0.3);
  text-align: center;
  transition: all 0.3s ease;
}

.btn-hero-call:hover {
  background: #FFC300;
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(255, 183, 3, 0.55);
}

.btn-hero-zalo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: #0068FF;
  color: var(--white);
  font-size: 1rem;
  font-weight: 700;
  padding: 0.7rem 1.8rem;
  border-radius: 50px;
  box-shadow: 0 4px 10px rgba(0, 104, 255, 0.25);
  text-align: center;
  transition: all 0.3s ease;
}

.btn-hero-zalo:hover {
  background: #0056D2;
  transform: translateY(-3px);
  box-shadow: 0 6px 15px rgba(0, 104, 255, 0.4);
}

.hero-right {
  display: flex;
  justify-content: flex-end;
  align-items: center;
}

.hero-truck-img {
  width: 100%;
  max-width: 550px;
  border-radius: 12px;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
  border: 4px solid rgba(255, 255, 255, 0.15);
  display: block;
}

@media (max-width: 768px) {
  .hero {
    padding: 3rem 0;
  }
  .hero-grid {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 1rem;
  }
  .hero-left {
    align-items: flex-start;
  }
  .hero-title {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
  }
  .hero-title .hero-highlight {
    font-size: 1.4rem;
  }
  .hero-slogan {
    font-size: 0.9rem;
    margin-bottom: 1rem;
  }
  .hero-benefits li {
    font-size: 0.85rem;
  }
  .hero-ctas {
    align-items: flex-start;
  }
  .btn-hero-call {
    font-size: 0.85rem;
    padding: 0.6rem 1rem;
  }
  .btn-hero-zalo {
    font-size: 0.8rem;
    padding: 0.5rem 1rem;
  }
}

@media (max-width: 480px) {
  .hero-grid {
    grid-template-columns: 1.25fr 0.75fr;
    gap: 0.5rem;
  }
  .hero-title {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    line-height: 1.2;
  }
  .hero-title .hero-highlight {
    font-size: 1.1rem;
  }
  .hero-slogan {
    font-size: 0.8rem;
    margin-bottom: 0.8rem;
    line-height: 1.3;
  }
  .hero-benefits {
    margin-bottom: 1rem;
  }
  .hero-benefits li {
    font-size: 0.75rem;
    gap: 5px;
  }
  .btn-hero-call {
    font-size: 0.75rem;
    padding: 0.5rem 0.8rem;
  }
  .btn-hero-zalo {
    font-size: 0.7rem;
    padding: 0.4rem 0.8rem;
  }
}


/* Pulse Animation */
@keyframes pulse {
  0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(230, 57, 70, 0.7); }
  70% { transform: scale(1.05); box-shadow: 0 0 0 15px rgba(230, 57, 70, 0); }
  100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(230, 57, 70, 0); }
}

.pulse-animation {
  animation: pulse 2s infinite;
}

/* --- Services Section --- */
.services {
  padding: 5rem 0;
  background-color: var(--white);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.service-card {
  background: var(--white);
  padding: 2.5rem 1.5rem;
  border-radius: var(--radius);
  text-align: center;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.service-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-green);
}

.service-icon {
  font-size: 3rem;
  color: var(--primary-green);
  margin-bottom: 1.5rem;
}

.service-card h3 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

.service-card p {
  color: var(--text-light);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}

.service-price {
  background-color: rgba(32, 191, 85, 0.1);
  color: var(--secondary-green);
  padding: 0.5rem 1rem;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.9rem;
  display: inline-block;
}

/* --- Why Choose Us Section --- */
.why-us {
  padding: 5rem 0;
  background-color: var(--primary-blue);
  color: var(--white);
}

.why-us .section-title {
  color: var(--white);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2rem;
}

.feature-item {
  text-align: center;
  padding: 1.5rem;
}

.feature-icon {
  width: 80px;
  height: 80px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  color: var(--primary-green);
  margin: 0 auto 1.5rem;
  transition: var(--transition);
}

.feature-item:hover .feature-icon {
  background-color: var(--primary-green);
  color: var(--white);
  transform: scale(1.1);
}

.feature-item h4 {
  color: var(--white);
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.feature-item p {
  color: #CBD5E1;
  font-size: 0.9rem;
}

/* --- Contact Section --- */
.contact {
  padding: 5rem 0;
  background-color: var(--light-bg);
}

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

.contact-info p {
  color: var(--text-light);
  margin-bottom: 2rem;
  font-size: 1.1rem;
}

.contact-list li {
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--primary-blue);
}

.contact-list i {
  color: var(--primary-green);
  font-size: 1.5rem;
}

.contact-form-wrapper {
  background: var(--white);
  padding: 2.5rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--primary-blue);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.8rem 1rem;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  font-family: inherit;
  font-size: 1rem;
  transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-green);
  box-shadow: 0 0 0 3px rgba(32, 191, 85, 0.2);
}

.btn-submit {
  width: 100%;
  padding: 1rem;
  background-color: var(--primary-green);
  color: var(--white);
  border: none;
  border-radius: 6px;
  font-size: 1.1rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
}

.btn-submit:hover {
  background-color: var(--secondary-green);
}

/* --- SEO Article & TOC --- */
.seo-article {
  padding: 3rem 0;
  background-color: var(--white);
  max-width: 800px;
  margin: 0 auto;
}

.article-toc {
  background-color: #f8f9fa;
  border: 1px solid #e9ecef;
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-bottom: 2.5rem;
  box-shadow: var(--shadow-sm);
}

.toc-header {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--primary-blue);
}

.toc-toggle {
  font-size: 0.9rem;
  color: var(--primary-green);
  cursor: pointer;
  font-weight: normal;
  user-select: none;
}

.toc-list {
  list-style: none;
  padding-left: 0;
}

.toc-list > li {
  margin-bottom: 0.5rem;
}

.toc-list a {
  color: var(--text-dark);
  text-decoration: none;
  font-weight: 600;
}

.toc-list a:hover {
  color: var(--primary-green);
}

.toc-sublist {
  list-style: none;
  padding-left: 1.5rem;
  margin-top: 0.5rem;
}

.toc-sublist li {
  margin-bottom: 0.5rem;
}

.toc-sublist a {
  font-weight: 400;
  color: var(--text-light);
}

.toc-sublist a:hover {
  color: var(--primary-green);
}

/* --- Process Timeline --- */
.process-timeline {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-top: 2rem;
}

.process-step {
  display: flex;
  gap: 1.5rem;
  background: var(--light-bg);
  padding: 1.5rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  align-items: flex-start;
}

.step-number {
  background-color: var(--primary-green);
  color: var(--white);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.step-content h4 {
  margin-bottom: 0.5rem;
  color: var(--primary-blue);
}

.step-content p {
  color: var(--text-light);
  font-size: 0.95rem;
  margin: 0;
}

/* --- 5 Items Grid Adjust --- */
.why-us .features-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2rem;
}

.why-us .feature-item {
  flex: 1 1 300px;
  max-width: 350px;
}

/* --- Footer --- */
.site-footer {
  background-color: #051324;
  color: var(--white);
  padding: 4rem 0 2rem;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 3rem;
}

.footer-logo h3 {
  color: var(--primary-green);
  margin-bottom: 1rem;
}

.footer-logo p {
  color: #94A3B8;
}

.footer-links h4,
.footer-contact h4 {
  color: var(--white);
  margin-bottom: 1rem;
}

.footer-links ul li {
  margin-bottom: 0.5rem;
}

.footer-links a {
  color: #94A3B8;
}

.footer-links a:hover {
  color: var(--primary-green);
}

.footer-contact p {
  color: #94A3B8;
  margin-bottom: 0.5rem;
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: #94A3B8;
  font-size: 0.9rem;
}

.credit {
  font-size: 0.8rem;
  color: #64748B;
  margin-top: 0.5rem;
}

/* --- Floating Buttons --- */
.floating-buttons {
  position: fixed;
  bottom: 2rem;
  left: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  z-index: 999;
}

.float-btn {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  text-decoration: none;
  transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.float-btn:hover {
  transform: scale(1.15);
}

.zalo-btn {
  background-color: #FFFFFF;
}

.zalo-btn img {
  width: 35px;
  height: 35px;
}

.call-btn {
  background-color: var(--accent-red);
  color: var(--white);
  font-size: 1.5rem;
}

/* --- Responsive --- */
@media (max-width: 992px) {
  .contact-container {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
}

@media (max-width: 768px) {
  .hero-title {
    font-size: 2.5rem;
  }
  .hero-title .highlight {
    font-size: 2rem;
  }
  .btn-cta {
    font-size: 1.2rem;
    padding: 1rem 2rem;
  }
  .mobile-menu-btn {
    display: block;
    position: relative;
    z-index: 1001;
  }
  
  .main-nav {
    display: block;
    position: fixed;
    top: 0;
    right: -100%;
    width: 320px;
    max-width: 85vw;
    height: 100vh;
    background-color: var(--white);
    padding: 5rem 1.5rem 2rem;
    max-height: none;
    overflow-y: auto;
    overflow-x: hidden;
    transition: right 0.3s ease;
    z-index: 1000;
  }
  
  .main-nav.active {
    right: 0;
    box-shadow: -5px 0 15px rgba(0,0,0,0.1), 0 0 0 10000px rgba(0,0,0,0.5);
  }
  
  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }
  
  .nav-item {
    border-bottom: 1px solid var(--border-color);
  }
  
  .nav-item > a {
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: space-between;
  }
  
  .dropdown-menu, .mega-menu {
    position: static;
    box-shadow: none;
    border-radius: 0;
    opacity: 1;
    visibility: visible;
    transform: none;
    min-width: auto;
    border-top: none;
    display: none; /* Hide for accordion */
    background-color: var(--light-bg);
  }
  
  .mega-menu {
    width: 100%;
    max-width: 100%;
    left: auto;
    transform: none;
  }
  
  .nav-item:hover .mega-menu {
    transform: none;
  }
  
  .dropdown-menu.two-cols,
  .dropdown-menu.three-cols {
    display: none;
    flex-direction: column;
    gap: 0;
    padding: 0;
    min-width: 0 !important;
    width: 100%;
  }
  
  .dropdown-group,
  .dropdown-menu.two-cols .dropdown-group,
  .dropdown-menu.three-cols .dropdown-group {
    padding: 0.5rem 1.5rem !important;
  }
  
  .border-left-col {
    border-left: none !important;
    padding-left: 1.5rem !important;
  }
  
  .dropdown-group a {
    font-size: 0.95rem;
    padding: 0.5rem 0;
    white-space: normal;
    word-break: break-word;
  }
  
  .dropdown-title {
    font-size: 0.9rem;
    margin-top: 0.5rem;
    margin-bottom: 0.5rem;
    padding-bottom: 0.5rem;
  }
  
  .mega-menu-content {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    padding: 1rem 1.5rem;
  }
  
  
  .nav-item.open .dropdown-menu,
  .nav-item.open .mega-menu {
    display: flex;
    flex-direction: column;
  }
  
  .nav-item.open > a i {
    transform: rotate(180deg);
  }
  
  .btn-wrap {
    padding: 1.5rem;
    text-align: center;
  }
  .footer-content {
    grid-template-columns: 1fr;
  }
}

/* --- Price Update Section --- */
.price-update {
  padding: 3rem 0;
  background-color: var(--white);
}

.price-update-title {
  color: var(--accent-red);
  font-size: 1.8rem;
  text-transform: uppercase;
  text-align: center;
  margin-bottom: 2rem;
  font-weight: 800;
}

.price-update-blocks {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}

.pu-block {
  flex: 1;
  background-color: var(--primary-blue);
  color: var(--white);
  padding: 1.5rem;
  text-align: center;
  font-weight: 700;
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
}

/* --- Key Services Section --- */
.key-services {
  padding: 4rem 0;
  background-color: var(--light-bg);
}

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

.ks-card, .os-card {
  background: var(--white);
  padding: 2rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.ks-card:hover, .os-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.ks-title, .os-title {
  color: var(--primary-blue);
  margin-bottom: 1rem;
  position: relative;
  display: inline-block;
  padding-bottom: 0.5rem;
}

.ks-title::after, .os-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 50%;
  height: 3px;
  background-color: var(--primary-green);
  border-radius: 2px;
}

/* --- Other Services Section --- */
.other-services {
  padding: 4rem 0;
  background-color: var(--white);
}

.other-services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.os-thumb {
  width: 100%;
  height: 170px;
  object-fit: cover;
  border-radius: var(--radius) var(--radius) 0 0;
  margin-bottom: 1.5rem;
  display: block;
}

/* --- Commitments Section --- */
.commitments {
  padding: 0;
}

.contact-title {
  color: var(--primary-blue);
  font-size: 1.8rem;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  position: relative;
  display: inline-block;
  padding-bottom: 0.5rem;
}
.contact-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 60px;
  height: 4px;
  background-color: var(--primary-green);
  border-radius: 2px;
}

.commitments-intro {
  margin-bottom: 1.5rem;
  font-size: 1.1rem;
}

.commitments-list {
  list-style: none;
  padding: 0;
}

.commitments-list li {
  position: relative;
  padding-left: 2rem;
  margin-bottom: 1rem;
  font-size: 1.05rem;
}

.commitments-list li::before {
  content: '\f058'; /* FontAwesome check-circle */
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  position: absolute;
  left: 0;
  top: 2px;
  color: var(--primary-green);
  font-size: 1.2rem;
}

/* --- Floating Contact (Left) --- */
.floating-contact {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 15px;
  align-items: flex-end;
}

.toast-notification {
  background: var(--white);
  padding: 10px 15px;
  border-radius: 10px;
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: 10px;
  animation: slideUp 0.5s ease-out;
  border-left: 4px solid var(--primary-green);
}

.toast-avatar {
  background-color: var(--primary-blue);
  color: var(--white);
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
}

.toast-content {
  font-size: 0.85rem;
  color: var(--text-dark);
  font-weight: 600;
}

.floating-btn-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.pill-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  border-radius: 50px;
  color: var(--white);
  font-weight: 700;
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s;
  text-decoration: none;
}

.pill-btn:hover {
  transform: scale(1.05);
  color: var(--white);
}

.btn-zalo {
  background-color: #0068FF;
}
.btn-facebook {
  background-color: #0866FF;
}
.btn-zalo img {
  width: 20px;
  height: 20px;
}

.btn-hotline1 {
  background-color: var(--primary-blue);
}
.btn-hotline2 {
  background-color: var(--accent-orange);
}

@keyframes slideUp {
  from { transform: translateY(20px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

/* Hide old right floating buttons globally just in case */
.floating-buttons {
  display: none !important;
}

/* Media Queries for New Sections */
@media (max-width: 992px) {
  .price-update-blocks {
    flex-direction: column;
  }
  .key-services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .other-services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .key-services-grid, .other-services-grid {
    grid-template-columns: 1fr;
  }
  .price-update-title {
    font-size: 1.5rem;
  }
  .toast-notification {
    display: none; /* Hide toast on very small screens to save space */
  }
  .pill-btn {
    padding: 8px 15px;
    font-size: 0.9rem;
  }
  .btn-hotline2 {
    display: none !important;
  }
}

/* --- Dropdown Modifications --- */
.border-left-col {
  border-left: 1px solid #ccc;
  padding-left: 20px !important;
}

.text-gray {
  color: #666 !important;
}

/* --- New Footer --- */
.new-footer {
  background-color: #051324;
  color: #fff;
  padding: 3rem 0 1rem;
  font-family: 'Inter', sans-serif;
  position: relative;
  overflow: hidden;
}

.new-footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  margin-bottom: 2rem;
  position: relative;
  z-index: 2;
}

.footer-title {
  color: #fff;
  font-weight: 700;
  margin-bottom: 1.5rem;
  font-size: 1.1rem;
  position: relative;
  display: inline-block;
  padding-bottom: 0.5rem;
}

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

.footer-col ul {
  list-style: none;
  padding: 0;
}

.footer-col ul li {
  margin-bottom: 0.8rem;
}

.footer-col ul li a {
  color: #cbd5e1;
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.3s;
}

.footer-col ul li a:hover {
  text-decoration: none;
  color: var(--primary-green);
}

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

@media (max-width: 768px) {
  .new-footer-grid {
    grid-template-columns: 1fr;
  }
  .border-left-col {
    border-left: none;
    padding-left: 1.5rem !important;
  }
}

/* --- Blog / Service Page Styles --- */
.page-header {
  background-color: var(--primary-blue);
  padding: 4rem 0;
  text-align: center;
  color: var(--white);
}

.page-title {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 1rem;
}

.blog-post {
  padding: 4rem 0;
  background-color: var(--white);
}

.blog-container {
  max-width: 800px;
  margin: 0 auto;
}

.blog-post h1 {
  font-size: 2.2rem;
  color: var(--primary-blue);
  margin-bottom: 1.5rem;
  line-height: 1.3;
}

.blog-post h2 {
  font-size: 1.8rem;
  color: var(--primary-green);
  margin-top: 3rem;
  margin-bottom: 1rem;
  border-bottom: 2px solid var(--light-bg);
  padding-bottom: 0.5rem;
}

.blog-post h3 {
  font-size: 1.4rem;
  color: var(--secondary-blue);
  margin-top: 2rem;
  margin-bottom: 1rem;
}

.blog-post h4 {
  font-size: 1.2rem;
  color: var(--text-dark);
  margin-bottom: 0.5rem;
}

.blog-post p {
  font-size: 1.1rem;
  color: var(--text-dark);
  margin-bottom: 1.5rem;
  line-height: 1.8;
}

.blog-post .lead-text {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-light);
  border-left: 4px solid var(--primary-green);
  padding-left: 1rem;
  margin-bottom: 2rem;
}

.blog-post ul {
  margin-bottom: 1.5rem;
  padding-left: 1.5rem;
}

.blog-post ul li {
  font-size: 1.1rem;
  margin-bottom: 0.8rem;
  list-style-type: disc;
  line-height: 1.6;
}

.blog-post strong {
  color: var(--primary-blue);
}

/* Image Wrapper */
.image-wrapper {
  margin: 2.5rem 0;
  text-align: center;
}

.responsive-img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  display: block;
  margin: 0 auto;
}

.image-caption {
  font-size: 0.95rem;
  color: var(--text-light);
  margin-top: 0.8rem;
  font-style: italic;
}

/* Contact Box / Voucher Box */
.contact-box, .voucher-box {
  background-color: #f8f9fa;
  border: 1px solid var(--border-color);
  border-left: 4px solid var(--accent-red);
  padding: 2rem;
  border-radius: var(--radius);
  margin: 2.5rem 0;
}

.contact-box h3, .voucher-box h3 {
  margin-top: 0;
  color: var(--accent-red);
}

/* Table Responsive */
.table-responsive {
  overflow-x: auto;
  margin-bottom: 2rem;
  box-shadow: var(--shadow-sm);
  border-radius: var(--radius);
}

.price-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 600px;
  background-color: var(--white);
}

.price-table th, .price-table td {
  padding: 1.2rem 1rem;
  border: 1px solid var(--border-color);
  text-align: left;
}

.price-table th {
  background-color: var(--primary-blue);
  color: var(--white);
  font-weight: 700;
  font-size: 1.1rem;
}

.price-table tbody tr:nth-child(even) {
  background-color: #f8f9fa;
}

.price-table tbody tr:hover {
  background-color: rgba(32, 191, 85, 0.05);
}

.faq-item {
  margin-bottom: 1.5rem;
  padding: 1.5rem;
  background: var(--light-bg);
  border-radius: var(--radius);
}

.faq-item h4 {
  margin-top: 0;
}

.contact-info-block {
  background-color: var(--light-bg);
  padding: 2rem;
  border-radius: var(--radius);
  margin-top: 1rem;
}

/* --- 2-Column Blog Layout --- */
.blog-layout {
  display: grid;
  grid-template-columns: 2.2fr 1fr;
  gap: 3rem;
  max-width: 1100px;
}

@media (max-width: 992px) {
  .blog-layout {
    grid-template-columns: 1fr;
  }
}

.blog-main-content {
  overflow: hidden;
}

/* Sidebar Styles */
.blog-sidebar {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.sidebar-widget {
  background: var(--white);
  border-radius: var(--radius);
  padding: 1rem 0;
}

.search-widget form {
  display: flex;
}

.search-widget input {
  flex: 1;
  padding: 0.8rem;
  border: 1px solid var(--border-color);
  border-right: none;
  border-radius: 4px 0 0 4px;
  font-family: inherit;
  font-size: 1rem;
}

.search-widget input:focus {
  outline: none;
  border-color: #1890ff;
}

.search-widget button {
  background-color: #1890ff;
  color: white;
  border: none;
  padding: 0 1rem;
  border-radius: 0 4px 4px 0;
  cursor: pointer;
  font-size: 1.2rem;
}

.voucher-widget {
  border: 2px dashed #ff4d4f;
  padding: 15px;
  text-align: center;
  border-radius: var(--radius);
}

.voucher-widget a {
  display: block;
  background-color: #ff4d4f;
  color: white;
  font-weight: 800;
  padding: 1rem;
  font-size: 1.2rem;
  text-decoration: none;
  border-radius: 4px;
}

.voucher-widget a:hover {
  background-color: #d9363e;
}

.recent-posts-widget .widget-title {
  font-size: 1.2rem;
  color: var(--text-dark);
  border-bottom: 2px solid var(--text-dark);
  padding-bottom: 0.5rem;
  margin-bottom: 1.5rem;
  text-transform: uppercase;
  font-weight: 800;
}

.recent-posts-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.recent-posts-list li {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
  align-items: flex-start;
}

.recent-posts-list img {
  width: 70px;
  height: 70px;
  object-fit: cover;
  border-radius: 4px;
}

.date-badge {
  width: 70px;
  height: 70px;
  min-width: 70px;
  border: 1px solid #ff4d4f;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #ff4d4f;
  font-weight: bold;
  border-radius: 4px;
  font-size: 0.8rem;
}

.date-badge span {
  font-size: 1.4rem;
  line-height: 1;
}

.recent-posts-list a {
  color: #1890ff;
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.4;
  flex: 1;
  text-decoration: none;
}

.recent-posts-list a:hover {
  text-decoration: underline;
}

/* Hotline Box Styles */
.hotline-box {
  background-color: #ffc107 !important;
  border-left: none !important;
  text-align: center;
  padding: 2rem !important;
  border-radius: var(--radius);
}

.hotline-box h3 {
  color: #000 !important;
  margin-bottom: 1.5rem !important;
  font-size: 1.3rem;
  font-weight: 800;
}

.hotline-buttons {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn-hotline-red, .btn-hotline-blue {
  padding: 0.8rem 1.5rem;
  color: white !important;
  font-weight: bold;
  font-size: 1.1rem;
  border-radius: 4px;
  box-shadow: 0 4px 6px rgba(0,0,0,0.1);
  text-decoration: none;
  display: inline-block;
}

.btn-hotline-red {
  background-color: #d9363e;
}
.btn-hotline-red:hover { background-color: #a82026; }

.btn-hotline-blue {
  background-color: #1890ff;
}
.btn-hotline-blue:hover { background-color: #096dd9; }

/* Competitive Advantage */
.competitive-advantage {
  padding: 60px 0;
  background-color: #f8f9fa;
  text-align: center;
}
.competitive-advantage .section-subtitle {
  color: var(--primary-blue);
  font-size: 1.8rem;
  margin-bottom: 40px;
  font-weight: 700;
}
.ca-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  text-align: left;
}
.ca-card {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 20px;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.05);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  text-decoration: none;
}
.ca-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0,0,0,0.1);
}
.ca-icon {
  font-size: 40px;
  color: var(--primary-blue);
  flex-shrink: 0;
}
.ca-text h4 {
  font-size: 1.2rem;
  color: var(--text-dark);
  margin-bottom: 10px;
}
.ca-text p {
  color: #555;
  font-size: 0.95rem;
  line-height: 1.5;
}

/* Impressive Numbers */
.impressive-numbers {
  background: url('https://images.unsplash.com/photo-1541888086403-eb3001859b58?q=80&w=2070&auto=format&fit=crop') center/cover no-repeat;
  position: relative;
  padding: 80px 0;
  color: #fff;
  text-align: center;
}
.impressive-numbers::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0, 0, 0, 0.85);
}
.impressive-numbers .container {
  position: relative;
  z-index: 2;
}
.in-title {
  color: #f39c12;
  font-size: 1.5rem;
  margin-bottom: 40px;
  text-transform: uppercase;
  letter-spacing: 2px;
}
.in-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 30px;
}
.in-stat {
  padding: 10px;
}
.in-number {
  font-size: 3.5rem;
  font-weight: 800;
  color: #f39c12;
  margin-bottom: 10px;
  text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}
.in-label {
  font-size: 1.1rem;
  font-weight: 500;
  line-height: 1.4;
  color: #ddd;
}

/* Process & Booking */
.process-booking {
  padding: 60px 0;
  background-color: #fff;
}
.pb-flex {
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
}
.pb-process {
  flex: 1 1 500px;
}
.pb-form {
  color: #fff;

/* Fix form labels on dark background */
.pb-form .form-group label {
  color: #fff;
  font-weight: 600;
  margin-bottom: 8px;
}


  flex: 1 1 400px;
  background-color: var(--primary-blue);
  padding: 30px;
  border-radius: 8px;
  color: #fff;
}
.pb-title {
  font-size: 1.5rem;
  margin-bottom: 25px;
  color: var(--primary-blue);
  text-transform: uppercase;
}
.accordion {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.accordion-item {
  border: 1px solid #e0e0e0;
  border-radius: 4px;
  overflow: hidden;
}
.accordion-header {
  background-color: #f1f5f9;
  padding: 15px 20px;
  cursor: pointer;
  font-weight: 600;
  color: var(--primary-blue);
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background-color 0.3s;
}
.accordion-item.active .accordion-header {
  background-color: var(--primary-blue);
  color: #fff;
}
.accordion-header i {
  transition: transform 0.3s;
}
.accordion-item.active .accordion-header i {
  transform: rotate(180deg);
}
.accordion-body {
  padding: 0;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  background-color: #fff;
}
.accordion-item.active .accordion-body {
  padding: 15px 20px;
  max-height: 200px;
}
.accordion-body p {
  margin: 0;
  color: #555;
  line-height: 1.5;
}

/* Form Styles */
.quote-form {
  display: flex;
  flex-direction: column;
  gap: 15px;
}
.form-group label {
  display: block;
  margin-bottom: 5px;
  font-weight: 500;
  font-size: 0.95rem;
}
.form-group input, .form-group textarea {
  width: 100%;
  padding: 12px;
  border: none;
  border-radius: 4px;
  font-size: 1rem;
  color: #333;
}
.form-group input:focus, .form-group textarea:focus {
  outline: 2px solid #f39c12;
}
.btn-submit-quote {
  background-color: var(--accent-red);
  color: #fff;
  padding: 15px;
  border: none;
  border-radius: 4px;
  font-size: 1.1rem;
  font-weight: 700;
  cursor: pointer;
  transition: background-color 0.3s;
  margin-top: 10px;
}
.btn-submit-quote:hover {
  background-color: #c00000;
}
@media (max-width: 768px) {
  .in-number { font-size: 2.5rem; }
  .pb-flex { flex-direction: column; }
}


/* Mobile Sticky CTA */
.mobile-sticky-cta {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  z-index: 9999;
  background: #fff;
  box-shadow: 0 -2px 10px rgba(0,0,0,0.1);
}
.mobile-sticky-cta .m-btn {
  flex: 1;
  text-align: center;
  padding: 15px 0;
  color: #fff;
  font-weight: bold;
  font-size: 1.1rem;
  text-decoration: none;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.m-btn-zalo {
  background-color: #0068FF;
}
.m-btn-facebook {
  background-color: #0866FF;
}
.m-btn-call {
  background-color: var(--accent-red);
}

/* Process Grid 5 steps */
.process-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}
.process-step {
  background: #fff;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1.5rem;
  text-align: center;
  position: relative;
  transition: transform 0.3s ease;
}
.process-step:hover {
  transform: translateY(-5px);
  border-color: var(--primary-green);
}
.step-num {
  width: 50px;
  height: 50px;
  background: var(--primary-green);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: bold;
  margin: 0 auto 15px;
}
.process-step h4 {
  color: var(--primary-blue);
  font-size: 1rem;
  line-height: 1.4;
}

@media (max-width: 768px) {
  .mobile-sticky-cta {
    display: flex;
  }
  body {
    padding-bottom: 60px; /* Make space for sticky footer */
  }
}

/* Regional Services Section */
.region-tabs { display: flex; justify-content: center; gap: 15px; margin-bottom: 3rem; flex-wrap: wrap; }
.region-btn { padding: 12px 30px; border: none; background: var(--primary-blue); color: #fff; border-radius: 6px; font-weight: 700; cursor: pointer; transition: all 0.3s ease; box-shadow: 0 4px 6px rgba(0,0,0,0.1); font-size: 1rem; text-transform: uppercase;}
.region-btn:hover { background: #0c2238; transform: translateY(-2px); box-shadow: 0 6px 12px rgba(0,0,0,0.15);}
.region-btn.active { background: var(--accent-red); box-shadow: 0 4px 15px rgba(230,57,70,0.4); }

.region-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; }
.region-card { background: #fff; border-radius: 12px; overflow: hidden; box-shadow: 0 5px 20px rgba(0,0,0,0.05); transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease; border: 1px solid #e2e8f0; border-bottom: 4px solid #e2e8f0; }
.region-card:hover { transform: translateY(-10px); box-shadow: 0 15px 30px rgba(0,0,0,0.1); border-color: #cbd5e1; border-bottom-color: var(--accent-red); }
.rc-img img { width: 100%; height: 220px; object-fit: cover; display: block; }
.rc-content { padding: 25px; }
.rc-content h3 { font-size: 1.3rem; color: var(--primary-blue); margin-bottom: 10px; font-weight: 700; }
.rc-content p { color: #666; font-size: 0.95rem; margin-bottom: 20px; line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.rc-img { position: relative; }
.rc-badge { position: absolute; top: 15px; right: 15px; background: var(--accent-red); color: white; padding: 5px 12px; border-radius: 20px; font-size: 0.85rem; font-weight: bold; z-index: 10; box-shadow: 0 4px 10px rgba(0,0,0,0.2); }
.rc-btn-solid { display: inline-flex; align-items: center; gap: 8px; background: #fff; color: var(--accent-red); border: 2px solid var(--accent-red); padding: 8px 20px; border-radius: 25px; font-weight: 700; text-decoration: none; font-size: 0.95rem; transition: all 0.3s ease; }
.rc-btn-solid:hover { background: var(--accent-red); color: #fff; }
.rc-btn-solid i { font-size: 0.9em; transition: transform 0.3s ease; }
.rc-btn-solid:hover i { transform: translateX(5px); }

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}