/* ==========================================================================
   DỊCH VỤ XE GHÉP HẢI DƯƠNG LIÊN TỈNH 24H - MAIN STYLESHEET
   Thiết kế hiện đại, tinh gọn, tốc độ tải nhanh, chuẩn Responsive
   ========================================================================== */

/* --- 1. CSS VARIABLES & DESIGN SYSTEM --- */
:root {
  --primary-color: #0b3b60;         /* Xanh đậm sang trọng */
  --primary-light: #165b94;
  --primary-dark: #07253d;
  --secondary-color: #ff9f1a;       /* Cam vàng nổi bật, ấm áp */
  --secondary-hover: #e58e0b;
  --accent-red: #e74c3c;            /* Đỏ cảnh báo / Gọi ngay */
  --accent-green: #2ecc71;          /* Xanh lá thành công */
  --zalo-color: #0068ff;            /* Xanh Zalo chuẩn */
  
  --bg-main: #f8fafc;
  --bg-white: #ffffff;
  --bg-card: #ffffff;
  --bg-alt: #f1f5f9;
  
  --text-main: #1e293b;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  --text-white: #ffffff;

  --border-color: #e2e8f0;
  --border-light: #f1f5f9;
  
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --container-width: 1200px;
}

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

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

body {
  font-family: 'Be Vietnam Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  color: var(--text-main);
  background-color: var(--bg-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

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

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

ul, ol {
  list-style: none;
}

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

/* Section Header Utility */
.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 40px auto;
}

.section-tag {
  display: inline-block;
  background-color: rgba(11, 59, 96, 0.1);
  color: var(--primary-color);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  margin-bottom: 12px;
}

.section-title {
  font-size: 2.1rem;
  font-weight: 800;
  color: var(--primary-color);
  line-height: 1.3;
  margin-bottom: 12px;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
}

/* --- 3. TOP BAR --- */
.top-bar {
  background-color: var(--primary-dark);
  color: #cbd5e1;
  font-size: 0.875rem;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

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

.top-bar-left, .top-bar-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

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

.top-bar-item svg {
  width: 16px;
  height: 16px;
  fill: var(--secondary-color);
}

.top-bar-highlight {
  color: var(--secondary-color);
  font-weight: 700;
}

/* --- 4. HEADER & NAVIGATION --- */
.header-main {
  background: var(--bg-white);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: var(--transition);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
}

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

.logo-icon-wrapper {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  box-shadow: 0 4px 10px rgba(11, 59, 96, 0.25);
}

.logo-icon-wrapper svg {
  width: 28px;
  height: 28px;
  fill: currentColor;
}

.logo-text-group {
  display: flex;
  flex-direction: column;
}

.logo-title {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--primary-color);
  line-height: 1.15;
  text-transform: uppercase;
  letter-spacing: -0.5px;
}

.logo-subtitle {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--secondary-hover);
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.main-nav {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-link {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-main);
  padding: 8px 4px;
  position: relative;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background-color: var(--secondary-color);
  transition: width 0.25s ease;
}

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

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

.btn-hotline-header {
  display: flex;
  align-items: center;
  gap: 10px;
  background: linear-gradient(135deg, #e74c3c, #c0392b);
  color: white;
  padding: 8px 18px;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 0.95rem;
  box-shadow: 0 4px 12px rgba(231, 76, 60, 0.35);
  transition: var(--transition);
}

.btn-hotline-header:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(231, 76, 60, 0.45);
}

.btn-hotline-header svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
  animation: phoneRing 1.8s infinite ease-in-out;
}

/* Mobile Menu Toggle Button */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 8px;
  border-radius: var(--radius-sm);
  background-color: var(--bg-alt);
}

.mobile-menu-btn span {
  display: block;
  width: 100%;
  height: 2.5px;
  background-color: var(--primary-color);
  border-radius: 2px;
  transition: var(--transition);
}

/* --- 5. HERO SECTION --- */
.hero-section {
  position: relative;
  min-height: 560px;
  display: flex;
  align-items: center;
  background-color: var(--primary-dark);
  overflow: hidden;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.hero-background img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: brightness(0.65);
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, rgba(7, 37, 61, 0.92) 0%, rgba(11, 59, 96, 0.78) 55%, rgba(0, 0, 0, 0.4) 100%);
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  color: var(--text-white);
  padding: 60px 0 80px 0;
  max-width: 720px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: rgba(255, 159, 26, 0.2);
  border: 1px solid var(--secondary-color);
  color: var(--secondary-color);
  font-weight: 700;
  font-size: 0.9rem;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  margin-bottom: 20px;
  backdrop-filter: blur(4px);
}

.hero-badge svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

.hero-title {
  font-size: 2.8rem;
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: -0.5px;
}

.hero-title span {
  color: var(--secondary-color);
  display: inline;
}

.hero-desc {
  font-size: 1.15rem;
  line-height: 1.6;
  color: #e2e8f0;
  margin-bottom: 32px;
}

.hero-features {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 36px;
}

.hero-feature-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.12);
  padding: 8px 16px;
  border-radius: var(--radius-full);
  backdrop-filter: blur(6px);
}

.hero-feature-item svg {
  width: 16px;
  height: 16px;
  fill: var(--accent-green);
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.btn-primary, .btn-secondary, .btn-zalo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 26px;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 1.05rem;
  transition: var(--transition);
  box-shadow: var(--shadow-md);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-red), #c0392b);
  color: white;
}

.btn-primary:hover {
  background: linear-gradient(135deg, #d63031, #b71540);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(231, 76, 60, 0.4);
}

.btn-zalo {
  background-color: var(--zalo-color);
  color: white;
}

.btn-zalo:hover {
  background-color: #0052cc;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 104, 255, 0.4);
}

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

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

/* --- 6. QUICK BOOKING BAR (WIDGET ĐẶT XE NHANH) --- */
.quick-booking-section {
  position: relative;
  z-index: 10;
  margin-top: -50px;
  margin-bottom: 50px;
}

.booking-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 28px 32px;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.12);
  border: 1px solid var(--border-color);
}

.booking-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border-light);
  flex-wrap: wrap;
  gap: 12px;
}

.booking-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--primary-color);
}

.booking-title svg {
  width: 24px;
  height: 24px;
  fill: var(--secondary-color);
}

.booking-hotline-quick {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-muted);
}

.booking-hotline-quick a {
  color: var(--accent-red);
  font-weight: 800;
  font-size: 1.05rem;
}

.booking-form-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr 248px;
  gap: 12px;
  align-items: end;
}

#quickType {
  padding-left: 12px;
  padding-right: 28px;
  cursor: pointer;
}

/* Nút đảo chiều điểm đón và trả */
.btn-swap-locations {
  align-self: flex-end;
  height: 46px;
  width: 46px;
  border-radius: 50%;
  border: 1.5px solid var(--border-color);
  background: #ffffff;
  color: var(--primary-color);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  flex-shrink: 0;
  margin-bottom: 2px;
  outline: none;
  z-index: 5;
}

.btn-swap-locations:hover {
  background: #eff6ff;
  border-color: var(--primary-light);
  color: var(--secondary-color);
  transform: translateY(-2px) scale(1.08);
  box-shadow: 0 4px 14px rgba(11, 59, 96, 0.16);
}

.btn-swap-locations:active {
  transform: translateY(0) scale(0.95);
}

.btn-swap-locations svg {
  width: 22px;
  height: 22px;
  fill: currentColor;
  transition: transform 0.4s ease;
}

.btn-swap-locations.rotated svg {
  transform: rotate(180deg);
}

@media (max-width: 868px) {
  .booking-form-grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }
  .btn-swap-locations {
    align-self: center;
    margin: -4px auto;
    transform: rotate(90deg);
  }
  .btn-swap-locations:hover {
    transform: rotate(90deg) scale(1.08);
  }
}

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

.form-group.autocomplete-group:focus-within {
  z-index: 20;
}

.form-label {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 6px;
}

.form-label svg {
  width: 14px;
  height: 14px;
  fill: var(--primary-color);
}

.form-control {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-sm);
  background-color: #fafbfc;
  color: var(--text-main);
  font-size: 0.95rem;
  transition: var(--transition);
}

.form-control:focus {
  border-color: var(--primary-light);
  background-color: var(--bg-white);
  box-shadow: 0 0 0 3px rgba(11, 59, 96, 0.12);
}

/* --- AUTOCOMPLETE SEARCHABLE INPUT CHO WIDGET BÁO GIÁ --- */
.autocomplete-group {
  position: relative;
}

.autocomplete-wrapper {
  position: relative;
  width: 100%;
}

.autocomplete-input {
  padding-right: 36px !important;
  text-overflow: ellipsis;
  cursor: text;
}

.autocomplete-input::placeholder {
  color: #94a3b8;
  font-size: 0.9rem;
}

/* Nút xóa nhanh (icon x) */
.btn-clear-input {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background-color: #e2e8f0;
  border: none;
  display: none;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  padding: 0;
  color: #64748b;
  transition: all 0.2s ease;
  z-index: 5;
}

.btn-clear-input:hover {
  background-color: #cbd5e1;
  color: #0f172a;
  transform: translateY(-50%) scale(1.1);
}

.btn-clear-input svg {
  width: 13px;
  height: 13px;
  fill: currentColor;
}

.btn-clear-input.show {
  display: flex;
}

/* Menu gợi ý hiển thị nổi (Floating Dropdown) */
.autocomplete-dropdown {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  right: 0;
  min-width: 280px;
  max-width: 100%;
  max-height: 310px;
  overflow-y: auto;
  overflow-x: hidden;
  background-color: #ffffff;
  border-radius: 12px;
  border: 1.5px solid #e2e8f0;
  box-shadow: 0 14px 35px rgba(15, 23, 42, 0.18), 0 4px 10px rgba(15, 23, 42, 0.08);
  z-index: 1050;
  display: none;
  padding: 6px 0;
  scrollbar-width: thin;
  scrollbar-color: #cbd5e1 #f8fafc;
  animation: dropdownAnim 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes dropdownAnim {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.autocomplete-dropdown::-webkit-scrollbar {
  width: 6px;
}

.autocomplete-dropdown::-webkit-scrollbar-track {
  background: #f8fafc;
  border-radius: 8px;
}

.autocomplete-dropdown::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 8px;
}

.autocomplete-dropdown::-webkit-scrollbar-thumb:hover {
  background: #94a3b8;
}

.autocomplete-dropdown.open {
  display: block;
}

/* Tiêu đề nhóm gợi ý */
.autocomplete-section-title {
  padding: 8px 14px 4px;
  font-size: 0.73rem;
  font-weight: 700;
  color: #64748b;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  background-color: #f8fafc;
  border-bottom: 1px solid #f1f5f9;
  margin-top: 4px;
}

.autocomplete-section-title:first-child {
  margin-top: 0;
}

/* Item gợi ý */
.autocomplete-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 9px 14px;
  cursor: pointer;
  transition: background-color 0.15s ease, padding-left 0.15s ease;
  border-bottom: 1px solid #f8fafc;
  user-select: none;
}

.autocomplete-item:last-child {
  border-bottom: none;
}

.autocomplete-item:hover,
.autocomplete-item.active {
  background-color: #f0fdf4;
  padding-left: 17px;
}

.autocomplete-item-left {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 1;
  min-width: 0;
}

.autocomplete-item-icon {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: #eff6ff;
  color: var(--primary-color);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.autocomplete-item-icon svg {
  width: 14px;
  height: 14px;
  fill: currentColor;
}

.autocomplete-item.active .autocomplete-item-icon,
.autocomplete-item:hover .autocomplete-item-icon {
  background: var(--primary-color);
  color: #ffffff;
}

.autocomplete-item-info {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.autocomplete-main-name {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-main);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.autocomplete-main-name mark {
  background: transparent;
  color: var(--secondary-color);
  font-weight: 800;
}

.autocomplete-sub-name {
  font-size: 0.78rem;
  color: #64748b;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.autocomplete-tag {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 12px;
  white-space: nowrap;
  flex-shrink: 0;
}

.autocomplete-tag.tag-hd {
  background: #ecfdf5;
  color: #047857;
  border: 1px solid #a7f3d0;
}

.autocomplete-tag.tag-hn {
  background: #eff6ff;
  color: #1d4ed8;
  border: 1px solid #bfdbfe;
}

.autocomplete-tag.tag-air {
  background: #fef3c7;
  color: #b45309;
  border: 1px solid #fde68a;
}

.autocomplete-tag.tag-med {
  background: #fdf2f8;
  color: #be185d;
  border: 1px solid #fbcfe8;
}

.autocomplete-tag.tag-other {
  background: #f1f5f9;
  color: #475569;
  border: 1px solid #e2e8f0;
}

.autocomplete-empty {
  padding: 18px 14px;
  text-align: center;
  color: #64748b;
  font-size: 0.88rem;
}

.autocomplete-empty svg {
  width: 26px;
  height: 26px;
  fill: #94a3b8;
  display: block;
  margin: 0 auto 6px;
}

.btn-book-submit {
  height: 48px;
  padding: 0 24px;
  background: linear-gradient(135deg, var(--secondary-color), var(--secondary-hover));
  color: white;
  border-radius: var(--radius-sm);
  font-weight: 800;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  white-space: nowrap;
  box-shadow: 0 4px 12px rgba(255, 159, 26, 0.35);
  transition: var(--transition);
}

.btn-book-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(255, 159, 26, 0.45);
}

/* Quick Estimate result modal/box */
.estimate-result-box {
  display: none;
  margin-top: 20px;
  padding: 16px 20px;
  background-color: #f0fdf4;
  border: 1.5px solid #86efac;
  border-radius: var(--radius-md);
  animation: fadeIn 0.3s ease;
}

.estimate-result-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 15px;
}

.estimate-details {
  display: flex;
  flex-direction: column;
}

.estimate-route {
  font-weight: 800;
  font-size: 1.1rem;
  color: #166534;
  line-height: 1.35;
}

.estimate-service-type {
  font-size: 0.95rem;
  color: var(--text-main);
  font-weight: 600;
  margin-top: 4px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.estimate-service-type strong {
  color: var(--secondary-color);
  font-weight: 800;
  background: #fef3c7;
  padding: 2px 8px;
  border-radius: 4px;
  border: 1px solid #fde68a;
}

.estimate-price-tag {
  font-size: 1.35rem;
  font-weight: 900;
  color: var(--accent-red);
}

.estimate-surcharge-notice {
  margin-top: 8px;
  font-size: 0.82rem;
  color: #92400e;
  background-color: #fffbeb;
  border-left: 3px solid #f59e0b;
  padding: 6px 12px;
  border-radius: 4px;
  line-height: 1.45;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.estimate-actions {
  display: flex;
  gap: 10px;
}

/* --- 7. INTRO & PAYMENT SECTION (2 CỘT TƯƠNG TỰ BẢN GỐC NHƯNG ĐẸP HƠN) --- */
.intro-section {
  padding: 60px 0;
  background-color: var(--bg-white);
}

.two-column-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.intro-card {
  background: var(--bg-alt);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}

.intro-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: #cbd5e1;
}

.intro-card-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 2px solid rgba(11, 59, 96, 0.1);
}

.intro-card-icon {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-md);
  background: var(--primary-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  flex-shrink: 0;
}

.intro-card-icon svg {
  width: 26px;
  height: 26px;
  fill: currentColor;
}

.intro-card-title {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--primary-color);
  line-height: 1.25;
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.feature-check-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background-color: #dcfce7;
  color: #16a34a;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}

.feature-check-icon svg {
  width: 14px;
  height: 14px;
  fill: currentColor;
}

.feature-text {
  font-size: 1rem;
  color: var(--text-main);
  line-height: 1.5;
}

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

/* --- 8. ROUTES & PRICING TABLE SECTION --- */
.routes-section {
  padding: 80px 0;
  background-color: var(--bg-main);
}

.notice-box {
  background: #fef3c7;
  border: 1.5px solid #fde68a;
  border-left: 6px solid var(--secondary-color);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  margin-bottom: 35px;
  display: flex;
  align-items: center;
  gap: 14px;
}

.notice-icon {
  width: 28px;
  height: 28px;
  fill: #b45309;
  flex-shrink: 0;
}

.notice-text {
  font-size: 0.95rem;
  color: #92400e;
  line-height: 1.5;
}

.notice-text strong {
  color: #78350f;
}

/* Route Filter Tabs */
.route-tabs {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 35px;
}

.tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 26px;
  border-radius: var(--radius-full);
  font-size: 1rem;
  font-weight: 700;
  background-color: var(--bg-white);
  color: var(--text-muted);
  border: 1.5px solid var(--border-color);
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.04);
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  user-select: none;
}

.tab-btn svg {
  flex-shrink: 0;
  transition: transform 0.25s ease;
}

.tab-btn:hover {
  color: var(--primary-color);
  border-color: var(--primary-light);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(11, 59, 96, 0.12);
}

.tab-btn:hover svg {
  transform: scale(1.1);
}

.tab-btn.active {
  background: linear-gradient(135deg, var(--primary-color) 0%, #0369a1 100%);
  color: #ffffff;
  border-color: transparent;
  box-shadow: 0 6px 18px rgba(11, 59, 96, 0.3);
  transform: translateY(-2px);
}

.tab-btn.active svg {
  fill: #ffffff;
}

@keyframes cardFadeIn {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Ẩn mặc định thẻ bệnh viện và sân bay khi CSS load trước JS */
.route-card[data-category="benh-vien"],
.route-card[data-category="san-bay"] {
  display: none;
}

/* Route Cards Grid */
.routes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 24px;
}

.route-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  border: 1.5px solid var(--border-color);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}

.route-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-light);
}

.route-card-header {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  color: white;
  padding: 18px 20px;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
}

.route-name {
  font-size: 1.25rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  width: 100%;
  gap: 8px;
}

.route-badge {
  background: rgba(255, 255, 255, 0.2);
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
}

.route-card-body {
  padding: 20px;
  flex-grow: 1;
}

.price-item-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px dashed var(--border-color);
}

.price-item-row:last-child {
  border-bottom: none;
}

.price-type {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.95rem;
  color: var(--text-main);
  font-weight: 600;
}

.price-type svg {
  width: 18px;
  height: 18px;
  fill: var(--primary-light);
}

.price-value {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--accent-red);
}

.route-features-mini {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--border-light);
}

.route-tag-mini {
  font-size: 0.78rem;
  background-color: var(--bg-alt);
  color: var(--text-muted);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  font-weight: 600;
}

.route-card-footer {
  padding: 14px 18px;
  background-color: #fafbfc;
  border-top: 1px solid var(--border-light);
}

.btn-card-contact {
  width: 100%;
  background: var(--accent-red);
  color: #ffffff;
  padding: 12px 18px;
  border-radius: var(--radius-sm);
  font-weight: 800;
  font-size: 1rem;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all 0.25s ease;
  box-shadow: 0 3px 10px rgba(231, 76, 60, 0.25);
  text-decoration: none;
}

.btn-card-contact:hover {
  background: #c0392b;
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(231, 76, 60, 0.4);
  color: #ffffff;
}

.btn-card-contact svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

/* --- 9. FLEET SHOWCASE SECTION (ĐỘI XE ĐỜI MỚI) --- */
.fleet-section {
  padding: 80px 0;
  background-color: var(--bg-white);
}

.fleet-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.fleet-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.fleet-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: var(--secondary-color);
}

.fleet-img-wrap {
  position: relative;
  height: 220px;
  overflow: hidden;
  background-color: #f1f5f9;
}

.fleet-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.fleet-card:hover .fleet-img-wrap img {
  transform: scale(1.05);
}

.fleet-badge {
  position: absolute;
  top: 14px;
  right: 14px;
  background: var(--secondary-color);
  color: white;
  font-weight: 800;
  font-size: 0.8rem;
  padding: 5px 12px;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-sm);
}

.fleet-card-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.fleet-title {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--primary-color);
  margin-bottom: 8px;
}

.fleet-subtitle {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 16px;
  line-height: 1.4;
}

.fleet-specs {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 20px;
  flex-grow: 1;
}

.spec-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.92rem;
  color: var(--text-main);
}

.spec-item svg {
  width: 16px;
  height: 16px;
  fill: var(--accent-green);
  flex-shrink: 0;
}

/* --- 10. WHY CHOOSE US (CAM KẾT DỊCH VỤ) --- */
.why-section {
  padding: 80px 0;
  background-color: var(--bg-alt);
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.why-card {
  background: var(--bg-white);
  padding: 30px 24px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: var(--transition);
}

.why-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-light);
}

.why-icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-md);
  background: rgba(11, 59, 96, 0.08);
  color: var(--primary-color);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  transition: var(--transition);
}

.why-card:hover .why-icon {
  background: var(--primary-color);
  color: white;
}

.why-icon svg {
  width: 32px;
  height: 32px;
  fill: currentColor;
}

.why-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--primary-color);
  margin-bottom: 10px;
}

.why-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* --- 11. STEP PROCESS (QUY TRÌNH 4 BƯỚC) --- */
.steps-section {
  padding: 80px 0;
  background-color: var(--bg-white);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
}

.step-card {
  position: relative;
  text-align: center;
  padding: 24px 16px;
}

.step-number {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--secondary-color), var(--secondary-hover));
  color: white;
  font-weight: 900;
  font-size: 1.4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 18px auto;
  box-shadow: 0 4px 12px rgba(255, 159, 26, 0.35);
}

.step-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--primary-color);
  margin-bottom: 8px;
}

.step-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* --- 12. TESTIMONIALS (Ý KIẾN KHÁCH HÀNG) --- */
.testimonials-section {
  padding: 80px 0;
  background-color: var(--bg-alt);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.testimonial-card {
  background: var(--bg-white);
  padding: 30px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}

.rating-stars {
  display: flex;
  gap: 4px;
  margin-bottom: 14px;
  color: #f59e0b;
}

.rating-stars svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

.testimonial-text {
  font-size: 0.95rem;
  color: var(--text-main);
  line-height: 1.6;
  margin-bottom: 20px;
  flex-grow: 1;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 14px;
  border-top: 1px solid var(--border-light);
}

.author-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-light), var(--primary-color));
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.1rem;
}

.author-info h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary-color);
}

.author-info p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* --- 13. FULL BOOKING & CONTACT FORM SECTION --- */
.contact-section {
  padding: 80px 0;
  background-color: var(--bg-white);
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 40px;
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.contact-info-panel {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  color: white;
  padding: 45px 35px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.contact-info-title {
  font-size: 1.7rem;
  font-weight: 800;
  margin-bottom: 12px;
}

.contact-info-desc {
  font-size: 0.95rem;
  color: #cbd5e1;
  margin-bottom: 30px;
  line-height: 1.6;
}

.contact-channels {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 35px;
}

.channel-item {
  display: flex;
  align-items: center;
  gap: 14px;
}

.channel-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--secondary-color);
  flex-shrink: 0;
}

.channel-icon svg {
  width: 22px;
  height: 22px;
  fill: currentColor;
}

.channel-text h5 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: #94a3b8;
}

.channel-text p {
  font-size: 1.15rem;
  font-weight: 800;
  color: white;
}

.contact-form-panel {
  padding: 45px 40px;
}

.contact-form-title {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary-color);
  margin-bottom: 8px;
}

.contact-form-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

/* --- 14. FAQ SECTION --- */
.faq-section {
  padding: 80px 0;
  background-color: var(--bg-alt);
}

.faq-accordion {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  background: var(--bg-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  overflow: hidden;
  transition: var(--transition);
}

.faq-question {
  width: 100%;
  padding: 18px 22px;
  text-align: left;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--primary-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.faq-question svg {
  width: 18px;
  height: 18px;
  fill: var(--text-muted);
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

.faq-item.active .faq-question svg {
  transform: rotate(180deg);
  fill: var(--secondary-color);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  padding: 0 22px;
  color: var(--text-main);
  font-size: 0.95rem;
  line-height: 1.6;
}

.faq-item.active .faq-answer {
  padding: 0 22px 20px 22px;
  max-height: 300px;
}

/* --- 15. FOOTER --- */
.footer-main {
  background-color: var(--primary-dark);
  color: #94a3b8;
  padding: 60px 0 20px 0;
  font-size: 0.95rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 50px;
}

.footer-col h4 {
  color: white;
  font-size: 1.15rem;
  font-weight: 800;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 10px;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 2px;
  background-color: var(--secondary-color);
}

.footer-desc {
  line-height: 1.6;
  margin-bottom: 20px;
  color: #cbd5e1;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  color: #cbd5e1;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-links a:hover {
  color: var(--secondary-color);
  transform: translateX(4px);
}

.footer-contact-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: #cbd5e1;
}

.footer-contact-item svg {
  width: 18px;
  height: 18px;
  fill: var(--secondary-color);
  margin-top: 3px;
  flex-shrink: 0;
}

.footer-bottom {
  padding-top: 25px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  font-size: 0.85rem;
  color: #64748b;
}

/* --- 16. FLOATING QUICK ACTION BUTTONS --- */
.floating-contact-container {
  position: fixed;
  bottom: 25px;
  left: 25px;
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.floating-btn {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.25);
  position: relative;
  transition: var(--transition);
}

.floating-btn svg {
  width: 26px;
  height: 26px;
  fill: currentColor;
}

.btn-float-phone {
  background: linear-gradient(135deg, #e74c3c, #c0392b);
}

.btn-float-phone::before, .btn-float-phone::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: inherit;
  opacity: 0.6;
  z-index: -1;
  animation: pulseWave 2s infinite ease-out;
}

.btn-float-phone::after {
  animation-delay: 0.8s;
}

.btn-float-phone svg {
  animation: phoneRing 1.8s infinite ease-in-out;
}

.btn-float-zalo {
  background: var(--zalo-color);
}

.btn-float-zalo::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: var(--zalo-color);
  opacity: 0.5;
  z-index: -1;
  animation: pulseWave 2.4s infinite ease-out 0.4s;
}

.floating-btn:hover {
  transform: scale(1.1);
}

/* Back to top button */
.back-to-top {
  position: fixed;
  bottom: 25px;
  right: 25px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--primary-color);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 998;
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background: var(--secondary-color);
  transform: translateY(-3px);
}

.back-to-top svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

/* Mobile Bottom Sticky Bar */
.mobile-sticky-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: var(--bg-white);
  border-top: 1px solid var(--border-color);
  box-shadow: 0 -4px 15px rgba(0, 0, 0, 0.08);
  z-index: 990;
  padding: 8px 12px;
}

.mobile-sticky-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.mobile-sticky-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 6px;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 700;
  text-align: center;
  gap: 4px;
}

.mobile-sticky-btn svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

.btn-sticky-call {
  background: #fee2e2;
  color: var(--accent-red);
}

.btn-sticky-zalo {
  background: #e0f2fe;
  color: var(--zalo-color);
}

/* Modal Popup for Booking Details */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(4px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

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

.modal-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  max-width: 520px;
  width: 100%;
  padding: 32px;
  box-shadow: var(--shadow-xl);
  position: relative;
  transform: translateY(20px);
  transition: transform 0.3s ease;
}

.modal-overlay.open .modal-card {
  transform: translateY(0);
}

.modal-close-btn {
  position: absolute;
  top: 18px;
  right: 18px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
}

.modal-close-btn:hover {
  background: #e2e8f0;
  color: var(--text-main);
}

/* --- 17. ANIMATIONS --- */
@keyframes pulseWave {
  0% {
    transform: scale(1);
    opacity: 0.7;
  }
  100% {
    transform: scale(1.6);
    opacity: 0;
  }
}

@keyframes phoneRing {
  0%, 100% { transform: rotate(0deg); }
  10%, 30% { transform: rotate(-15deg); }
  20%, 40% { transform: rotate(15deg); }
  50% { transform: rotate(0deg); }
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* --- 18. RESPONSIVE MEDIA QUERIES --- */
@media (max-width: 1024px) {
  .hero-title {
    font-size: 2.3rem;
  }
  .booking-form-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .btn-book-submit {
    grid-column: span 2;
  }
  .fleet-grid, .why-grid, .testimonials-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 868px) {
  .top-bar {
    display: none; /* Ẩn topbar trên mobile để màn hình thoáng */
  }
  .mobile-menu-btn {
    display: flex;
  }
  .main-nav {
    position: fixed;
    top: 76px;
    left: 0;
    width: 100%;
    background: var(--bg-white);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    padding: 20px;
    display: none;
    flex-direction: column;
    border-top: 1px solid var(--border-color);
  }
  .main-nav.open {
    display: flex;
  }
  .nav-list {
    flex-direction: column;
    width: 100%;
    gap: 12px;
  }
  .nav-link {
    width: 100%;
    padding: 10px;
    border-radius: var(--radius-sm);
  }
  .nav-link:hover {
    background-color: var(--bg-alt);
  }
  .header-actions .btn-hotline-header {
    display: none; /* chuyển xuống floating hoặc mobile bar */
  }
  .two-column-grid, .contact-layout {
    grid-template-columns: 1fr;
  }
  .contact-info-panel {
    padding: 30px 24px;
  }
  .contact-form-panel {
    padding: 30px 24px;
  }
  .routes-grid {
    grid-template-columns: 1fr;
  }
  .fleet-grid, .why-grid, .testimonials-grid {
    grid-template-columns: 1fr;
  }
  .steps-grid {
    grid-template-columns: 1fr;
  }
  .quick-booking-section {
    margin-top: -30px;
  }
  .booking-card {
    padding: 20px 18px;
  }
  .booking-form-grid {
    grid-template-columns: 1fr;
  }
  .btn-book-submit {
    grid-column: span 1;
    width: 100%;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .mobile-sticky-bar {
    display: block; /* Hiện thanh điều hướng nhanh dưới đáy điện thoại */
  }
  body {
    padding-bottom: 60px; /* Tránh che khuất nội dung bởi sticky bar */
  }
  .floating-contact-container {
    bottom: 75px; /* Đẩy lên trên mobile sticky bar */
    left: 15px;
  }
  .back-to-top {
    bottom: 75px;
    right: 15px;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 1.85rem;
  }
  .hero-buttons {
    flex-direction: column;
    width: 100%;
  }
  .hero-buttons a {
    width: 100%;
  }
  .section-title {
    font-size: 1.7rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}