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

:root {
  --primary: #e8290b;
  --primary-dark: #c41f00;
  --primary-light: #ff4726;
  --secondary: #1a1a2e;
  --accent: #f5a623;
  --white: #ffffff;
  --gray-100: #f8f8f8;
  --gray-200: #eeeeee;
  --gray-400: #999999;
  --gray-600: #555555;
  --gray-800: #222222;
  --text: #2d2d2d;
  --shadow: 0 4px 20px rgba(0,0,0,0.12);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.18);
  --radius: 12px;
  --radius-sm: 6px;
  --font: 'Be Vietnam Pro', sans-serif;

  /* Header / Footer light theme */
  --header-bg: #ffffff;
  --header-border: #e8e8e8;
  --header-shadow: 0 2px 16px rgba(0,0,0,0.08);
  --nav-text: #2d2d2d;
  --nav-hover-bg: #fff0ee;
  --submenu-bg: #ffffff;
  --submenu-border: #f0f0f0;
  --submenu-text: #444444;
  --footer-bg: #f5f5f5;
  --footer-border: #e0e0e0;
  --footer-text: #555555;
  --footer-heading: #1a1a2e;
  --footer-link: #666666;
  --footer-bottom-bg: #eaeaea;
  --footer-bottom-text: #888888;
}

html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--text);
  background: #fff;
  overflow-x: hidden;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; height: auto; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* ===== HEADER ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--header-bg);
  border-bottom: 1px solid var(--header-border);
  box-shadow: var(--header-shadow);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 12px 0;
}
.logo img { height: 54px; width: auto; border-radius: 8px; }
.logo-text {
  font-size: 1.3rem;
  font-weight: 800;
  color: #fff;
  background: var(--primary);
  padding: 8px 16px;
  border-radius: 8px;
}
.main-nav { flex: 1; }
.main-nav > ul {
  display: flex;
  gap: 4px;
  align-items: center;
}
.main-nav > ul > li { position: relative; }
.main-nav > ul > li > a {
  color: var(--nav-text);
  font-weight: 600;
  font-size: 0.88rem;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  display: block;
  transition: background 0.2s, color 0.2s;
  white-space: nowrap;
}
.main-nav > ul > li > a:hover,
.main-nav > ul > li > a.active {
  background: var(--primary);
  color: #fff;
}
.dropdown:hover .submenu { display: block; }
.submenu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--submenu-bg);
  min-width: 220px;
  border-radius: var(--radius-sm);
  box-shadow: 0 8px 32px rgba(0,0,0,0.12);
  border: 1px solid var(--submenu-border);
  overflow: hidden;
  z-index: 100;
}
.submenu li a {
  color: var(--submenu-text);
  display: block;
  padding: 10px 18px;
  font-size: 0.85rem;
  border-bottom: 1px solid var(--submenu-border);
  transition: all 0.2s;
}
.submenu li a:hover { background: var(--primary); color: #fff; }
.btn-call {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--primary);
  color: #fff;
  padding: 10px 20px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 0.9rem;
  white-space: nowrap;
  transition: background 0.2s, transform 0.2s;
  animation: pulse-call 2s infinite;
}
.btn-call:hover { background: var(--primary-dark); transform: scale(1.04); }
@keyframes pulse-call {
  0%, 100% { box-shadow: 0 0 0 0 rgba(232,41,11,0.4); }
  50% { box-shadow: 0 0 0 8px rgba(232,41,11,0); }
}
.phone-icon { font-size: 1.1rem; }
.menu-toggle {
  display: none;
  background: none;
  border: 2px solid var(--header-border);
  color: var(--nav-text);
  font-size: 1.4rem;
  padding: 6px 12px;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: border-color 0.2s;
}
.menu-toggle:hover { border-color: var(--primary); color: var(--primary); }

/* ===== MOBILE NAV ===== */
.mobile-nav {
  position: fixed;
  top: 0; right: -320px;
  width: 300px;
  height: 100vh;
  background: var(--header-bg);
  border-left: 1px solid var(--header-border);
  z-index: 2000;
  transition: right 0.3s ease;
  overflow-y: auto;
  box-shadow: -4px 0 24px rgba(0,0,0,0.1);
}
.mobile-nav.open { right: 0; }
.mobile-nav-inner { padding: 20px; }
.close-btn {
  background: none; border: none; color: var(--nav-text);
  font-size: 1.5rem; cursor: pointer; float: right; margin-bottom: 20px;
}
.close-btn:hover { color: var(--primary); }
.mobile-nav ul { clear: both; }
.mobile-nav ul li a {
  display: block; color: var(--nav-text); padding: 14px 10px;
  border-bottom: 1px solid var(--header-border);
  font-weight: 500; font-size: 0.95rem;
  transition: color 0.2s, padding-left 0.2s;
}
.mobile-nav ul li a:hover { color: var(--primary); padding-left: 16px; }
.mobile-nav ul li a.mobile-call {
  background: var(--primary); color: #fff; border-radius: 8px;
  text-align: center; margin-top: 15px; font-weight: 700; font-size: 1rem;
  border-bottom: none; padding-left: 10px;
}
.mobile-nav ul li a.mobile-call:hover { background: var(--primary-dark); padding-left: 10px; }
.overlay {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 1999;
}
.overlay.show { display: block; }

/* ===== HERO BANNER ===== */
.hero-slider { position: relative; overflow: hidden; }
.hero-slide {
  position: relative;
  display: none;
}
.hero-slide.active { display: block; }
.hero-slide img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  filter: brightness(0.6);
}
.hero-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  color: #fff;
  width: 90%;
}
.hero-content h2 {
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(1.5rem, 4vw, 2.8rem);
  font-weight: 900;
  text-shadow: 2px 2px 10px rgba(0,0,0,0.5);
  margin-bottom: 8px;
}
.hero-content h3 {
  font-size: clamp(0.95rem, 2.5vw, 1.3rem);
  font-weight: 400;
  margin-bottom: 20px;
  opacity: 0.9;
}
.btn-book {
  display: inline-block;
  background: var(--primary);
  color: #fff;
  padding: 14px 32px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 1rem;
  box-shadow: 0 4px 20px rgba(232,41,11,0.4);
  transition: all 0.2s;
}
.btn-book:hover { background: var(--primary-dark); transform: translateY(-2px); }
.slider-dots {
  position: absolute;
  bottom: 15px;
  left: 50%;
  transform: translateX(-50%);
  display: flex; gap: 8px;
}
.dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,0.4);
  cursor: pointer; transition: background 0.2s;
}
.dot.active { background: var(--primary); }

/* ===== SECTIONS ===== */
.section { padding: 60px 0; }
.section-alt { background: var(--gray-100); }
.section-title {
  text-align: center;
  margin-bottom: 40px;
}
.section-title h2 {
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 900;
  color: var(--secondary);
  position: relative;
  display: inline-block;
  padding-bottom: 14px;
}
.section-title h2::after {
  content: '';
  position: absolute;
  bottom: 0; left: 50%;
  transform: translateX(-50%);
  width: 60px; height: 4px;
  background: var(--primary);
  border-radius: 2px;
}
.section-title p { color: var(--gray-600); margin-top: 10px; font-size: 0.95rem; }

/* ===== SERVICE CARDS ===== */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 24px;
}
.service-card {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.3s, box-shadow 0.3s;
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.service-card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}
.card-body {
  padding: 16px;
  text-align: center;
}
.card-body h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--secondary);
  margin-bottom: 8px;
}
.card-price {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--primary);
}
.card-badge {
  display: inline-block;
  background: var(--primary);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 50px;
  margin-bottom: 8px;
  letter-spacing: 0.5px;
}
.card-link {
  display: block;
  text-align: center;
  padding: 8px;
  background: var(--gray-100);
  color: var(--primary);
  font-weight: 600;
  font-size: 0.85rem;
  margin-top: 10px;
  border-radius: var(--radius-sm);
  transition: background 0.2s;
}
.card-link:hover { background: var(--primary); color: #fff; }

/* ===== PROCESS STEPS ===== */
.process-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 30px;
  text-align: center;
}
.process-step {
  position: relative;
}
.step-icon {
  width: 80px; height: 80px;
  background: var(--primary);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 16px;
  font-size: 1.8rem;
  box-shadow: 0 4px 20px rgba(232,41,11,0.3);
}
.process-step h3 {
  font-weight: 700;
  font-size: 1rem;
  color: var(--secondary);
  margin-bottom: 8px;
}
.process-step p { font-size: 0.88rem; color: var(--gray-600); }

/* ===== CONTACT SIDEBAR ===== */
.page-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 40px;
  align-items: start;
  padding: 40px 0;
}
.sidebar {
  position: sticky;
  top: 90px;
}
.sidebar-card {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  margin-bottom: 20px;
}
.sidebar-header {
  background: var(--primary);
  color: #fff;
  padding: 16px 20px;
  font-weight: 700;
  font-size: 1rem;
}
.sidebar-body { padding: 20px; }
.address-item {
  display: flex;
  gap: 10px;
  margin-bottom: 14px;
  font-size: 0.88rem;
  color: var(--gray-600);
}
.address-item strong { color: var(--text); }
.sidebar-cta {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.btn-sidebar-call {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--primary);
  color: #fff;
  padding: 14px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 1rem;
  animation: pulse-call 2s infinite;
  transition: background 0.2s;
}
.btn-sidebar-call:hover { background: var(--primary-dark); }
.btn-sidebar-zalo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: #0068ff;
  color: #fff;
  padding: 12px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9rem;
  transition: background 0.2s;
}
.btn-sidebar-zalo:hover { background: #0050cc; }
.vehicle-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 15px;
}
.vehicle-tag {
  background: var(--gray-100);
  border: 1px solid var(--gray-200);
  padding: 6px 12px;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--secondary);
  cursor: pointer;
  transition: all 0.2s;
}
.vehicle-tag:hover { background: var(--primary); color: #fff; border-color: var(--primary); }
.vehicle-tag.active { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ===== PRICE TABLE ===== */
.page-title-section {
  background: linear-gradient(135deg, var(--secondary) 0%, #16213e 100%);
  padding: 40px 0;
  color: #fff;
  text-align: center;
}
.page-title-section h1 {
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(1.4rem, 3.5vw, 2.2rem);
  font-weight: 900;
  margin-bottom: 8px;
}
.page-title-section p {
  font-size: 1rem;
  opacity: 0.8;
}
.price-table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.price-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
}
.price-table thead {
  background: var(--primary);
  color: #fff;
}
.price-table thead th {
  padding: 14px 16px;
  font-weight: 700;
  font-size: 0.88rem;
  text-align: left;
  white-space: nowrap;
}
.price-table tbody tr { border-bottom: 1px solid var(--gray-200); transition: background 0.15s; }
.price-table tbody tr:hover { background: #fff5f4; }
.price-table tbody td { padding: 11px 16px; font-size: 0.88rem; }
.price-table .group-header {
  background: var(--secondary);
  color: #fff;
  font-weight: 700;
  font-size: 0.88rem;
}
.price-highlight {
  font-weight: 700;
  color: var(--primary);
}
.table-note {
  background: #fff8e6;
  border-left: 4px solid var(--accent);
  padding: 16px 20px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin-top: 20px;
  font-size: 0.88rem;
}
.table-note ul { margin-top: 8px; padding-left: 16px; list-style: disc; }
.table-note ul li { margin-bottom: 4px; }

/* ===== LIMO INFO TABLE ===== */
.info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 30px;
}
.info-card {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.info-card-header {
  background: var(--primary);
  color: #fff;
  padding: 14px 20px;
  font-weight: 700;
  font-size: 0.95rem;
}
.info-table { width: 100%; border-collapse: collapse; }
.info-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--gray-200);
  font-size: 0.88rem;
  vertical-align: top;
}
.info-table td:first-child {
  font-weight: 600;
  color: var(--secondary);
  width: 40%;
  background: var(--gray-100);
}
.info-table td strong { color: var(--primary); }

/* ===== BANNER THUMBNAILS ===== */
.banner-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 30px;
}
.banner-row img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  cursor: pointer;
  transition: transform 0.3s;
}
.banner-row img:hover { transform: scale(1.02); }

/* ===== BLOG / BAI VIET ===== */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 28px;
}
.blog-card {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: transform 0.3s;
}
.blog-card:hover { transform: translateY(-4px); }
.blog-card img { width: 100%; height: 200px; object-fit: cover; }
.blog-card-body { padding: 20px; }
.blog-card-body .tag {
  display: inline-block;
  background: var(--primary);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 50px;
  margin-bottom: 10px;
  letter-spacing: 0.5px;
}
.blog-card-body h3 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; line-height: 1.5; }
.blog-card-body p { font-size: 0.85rem; color: var(--gray-600); line-height: 1.6; }
.blog-card-body .read-more {
  display: inline-block;
  margin-top: 12px;
  color: var(--primary);
  font-weight: 600;
  font-size: 0.85rem;
}

/* ===== FLOAT BUTTONS ===== */
.float-buttons {
  position: fixed;
  bottom: 24px;
  right: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 999;
}
.float-btn {
  width: 52px; height: 52px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
  box-shadow: 0 4px 15px rgba(0,0,0,0.2);
  transition: transform 0.2s;
}
.float-btn:hover { transform: scale(1.1); }
.call-btn { background: var(--primary); animation: pulse-call 2s infinite; }
.zalo-btn { background: #0068ff; }

/* ===== FOOTER ===== */
.site-footer {
  background: var(--footer-bg);
  color: var(--footer-text);
  border-top: 1px solid var(--footer-border);
  padding: 50px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1.5fr 1.5fr 1.5fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-col h3 {
  color: var(--footer-heading);
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 18px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--primary);
  display: inline-block;
}
.footer-col p { font-size: 0.85rem; line-height: 1.7; margin-bottom: 6px; color: var(--footer-text); }
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul li a { font-size: 0.85rem; color: var(--footer-link); transition: color 0.2s; }
.footer-col ul li a:hover { color: var(--primary); }
.footer-contact a { color: var(--primary); font-weight: 600; }
.footer-contact a:hover { color: var(--primary-dark); }
.btn-footer-call {
  display: block;
  background: var(--primary);
  color: #fff;
  text-align: center;
  padding: 12px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  margin: 10px 0;
  font-size: 1rem;
  animation: pulse-call 2.5s infinite;
}
.service-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.service-tags span {
  background: #e8e8e8;
  color: #555;
  font-size: 0.75rem;
  padding: 4px 10px;
  border-radius: 50px;
}
.footer-bottom {
  border-top: 1px solid var(--footer-border);
  background: var(--footer-bottom-bg);
  padding: 16px 20px;
  text-align: center;
  font-size: 0.82rem;
  color: var(--footer-bottom-text);
}
.footer-bottom a { color: var(--primary); font-weight: 600; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .info-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .main-nav, .btn-call { display: none; }
  .menu-toggle { display: block; }
  .header-inner { justify-content: space-between; }
  .hero-slide img { height: 280px; }
  .page-layout { grid-template-columns: 1fr; }
  .sidebar { position: static; }
  .banner-row { grid-template-columns: 1fr; }
  .info-grid { grid-template-columns: 1fr; }
  .section { padding: 40px 0; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .cards-grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .cards-grid { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: 1fr; }
  .blog-grid { grid-template-columns: 1fr; }
  .hero-slide img { height: 220px; }
}