:root {
  --bg: #eef4fb;
  --surface: #ffffff;
  --surface-2: #f8fbff;
  --text: #16365c;
  --muted: #69809d;
  --line: #dfe8f3;
  --blue: #1781df;
  --blue-2: #0f5fb3;
  --orange: #ff9c22;
  --orange-2: #ff7a00;
  --grad: linear-gradient(135deg, var(--blue) 0%, var(--orange-2) 100%);
  --shadow: 0 20px 50px rgba(23, 76, 138, 0.12);
  --radius-xl: 28px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Be Vietnam Pro', system-ui, sans-serif;
  background: linear-gradient(180deg, #f7fbff 0%, var(--bg) 100%);
  color: var(--text);
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }

.container {
  width: min(var(--container), calc(100% - 32px));
  margin: 0 auto;
}

.mobile-topline {
  display: none;
  background: linear-gradient(90deg, var(--blue-2), #78828f 50%, var(--orange-2));
  padding: 10px 12px;
  gap: 10px;
}
.mobile-topline a {
  flex: 1;
  min-width: 0;
  color: #fff;
  font-weight: 700;
  font-size: 14px;
  border: 1px solid rgba(255,255,255,.28);
  border-radius: 999px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 10px;
  background: rgba(255,255,255,.08);
  backdrop-filter: blur(6px);
}

.app-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(255,255,255,.88);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(182, 201, 223, .45);
}
.header-inner {
  min-height: 84px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}
.brand img {
  width: 64px;
  height: 64px;
  object-fit: contain;
  border-radius: 18px;
  background: #fff;
  box-shadow: 0 8px 24px rgba(16, 67, 126, .12);
}
.brand strong {
  display: block;
  font-size: 31px;
  line-height: 1.05;
}
.brand span {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 13px;
}
.header-nav {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.header-nav a {
  color: var(--text);
  font-weight: 600;
  padding: 12px 16px;
  border-radius: 999px;
  background: rgba(23,129,223,.08);
}
.menu-toggle {
  display: none;
  width: 56px;
  height: 56px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: #f4f8fc;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  padding: 0;
}
.menu-toggle span {
  width: 20px;
  height: 2px;
  border-radius: 999px;
  background: var(--text);
}

.hero-section { padding: 38px 0 12px; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 24px;
  align-items: stretch;
}
.hero-copy, .hero-app-card, .app-card {
  background: linear-gradient(180deg, rgba(255,255,255,.96), rgba(255,255,255,.92));
  border: 1px solid rgba(214,226,239,.9);
  box-shadow: var(--shadow);
}
.hero-copy {
  border-radius: var(--radius-xl);
  padding: 34px;
}
.eyebrow, .chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-radius: 999px;
  padding: 9px 14px;
  font-size: 13px;
  font-weight: 700;
  color: var(--orange-2);
  background: rgba(255,122,0,.12);
}
.chip-alt {
  color: var(--blue-2);
  background: rgba(23,129,223,.12);
}
.hero-copy h1 {
  margin: 16px 0 12px;
  font-size: clamp(34px, 4.4vw, 58px);
  line-height: 1.04;
  letter-spacing: -0.03em;
}
.hero-copy p {
  margin: 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.8;
}
.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 24px;
}
.btn {
  border: 0;
  border-radius: 18px;
  padding: 16px 22px;
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 56px;
}
.btn-primary {
  color: #fff;
  background: var(--grad);
  box-shadow: 0 14px 28px rgba(255,122,0,.25);
}
.btn-secondary {
  color: var(--text);
  background: #fff;
  border: 1px solid rgba(214,226,239,.95);
}
.quick-kpis {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 24px;
}
.quick-kpis div {
  padding: 16px;
  border-radius: 18px;
  background: rgba(248,251,255,.98);
  border: 1px solid rgba(223,232,243,.95);
}
.quick-kpis strong {
  display: block;
  font-size: 26px;
  line-height: 1;
  background: var(--grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.quick-kpis span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 13px;
}
.hero-card-shell { display: flex; }
.hero-app-card {
  width: 100%;
  border-radius: 34px;
  padding: 24px;
  position: relative;
  overflow: hidden;
}
.hero-app-card::after {
  content: "";
  position: absolute;
  inset: auto -80px -90px auto;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,156,34,.28), transparent 70%);
}
.hero-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding-bottom: 18px;
  border-bottom: 1px solid rgba(223,232,243,.95);
}
.hero-card-top small { color: var(--muted); display: block; margin-top: 4px; }
.status-dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #2bd576;
  margin-right: 8px;
  box-shadow: 0 0 0 6px rgba(43,213,118,.16);
}
.route-preview {
  position: relative;
  display: grid;
  gap: 16px;
  margin: 22px 0;
}
.route-line {
  position: absolute;
  left: 18px;
  top: 16px;
  bottom: 16px;
  width: 2px;
  background: linear-gradient(180deg, var(--blue), var(--orange-2));
  opacity: .18;
}
.route-item {
  position: relative;
  display: flex;
  gap: 14px;
  align-items: center;
}
.pin {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  background: #fff;
  box-shadow: 0 8px 18px rgba(19,81,146,.12);
}
.pin-start::before { content: '📍'; }
.pin-end::before { content: '🏁'; }
.route-item p { margin: 4px 0 0; color: var(--muted); }
.placeholder-art {
  min-height: 240px;
  border-radius: 28px;
  background: linear-gradient(135deg, rgba(23,129,223,.1), rgba(255,122,0,.12));
  border: 1px dashed rgba(23,129,223,.25);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 24px;
}
.placeholder-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 8px 12px;
  background: rgba(255,255,255,.82);
  font-size: 12px;
  font-weight: 700;
}
.car-silhouette {
  font-size: 70px;
  margin: 14px 0 8px;
}
.placeholder-art p { color: var(--muted); margin: 0; }

.section-block { padding: 16px 0 12px; position: relative; z-index: 1; }
.section-light { background: transparent; }
.section-head {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 18px;
}
.section-head.between {
  flex-direction: row;
  justify-content: space-between;
  align-items: end;
  gap: 16px;
}
.section-head h2 {
  margin: 0;
  font-size: clamp(26px, 3vw, 42px);
  line-height: 1.12;
  letter-spacing: -0.03em;
}
.note { color: var(--muted); }

.slider-row {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(260px, 1fr);
  gap: 16px;
  overflow-x: auto;
  padding: 4px 2px 10px;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  overscroll-behavior-x: contain;
}
.slider-row::-webkit-scrollbar { display: none; }
.slider-row > * { scroll-snap-align: start; }
.app-card {
  border-radius: 30px;
  padding: 24px;
  height: auto;
  min-height: 0;
  overflow: hidden;
}
.feature-card h3, .review-card h3, .fleet-head h3 {
  margin: 12px 0 8px;
  font-size: 20px;
  line-height: 1.18;
}
.feature-card p, .compact-card p, .review-card p, .fleet-head p, .mini-info span {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}
.compact-row { grid-auto-columns: minmax(220px, 1fr); }
.compact-card { min-height: 170px; }
.icon-gradient {
  width: 54px;
  height: 54px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 22px;
  background: linear-gradient(135deg, var(--blue) 8%, rgba(56,112,173,.82) 52%, var(--orange-2) 100%);
  box-shadow: 0 12px 24px rgba(18, 87, 157, .18);
}

.fleet-row { grid-auto-columns: minmax(340px, 1fr); }
.fleet-card {
  background: linear-gradient(180deg, #fff 0%, #fbfdff 100%);
}
.fleet-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: start;
  margin-bottom: 16px;
}
.fleet-head h3 {
  margin: 0;
  font-size: 38px;
  line-height: 1;
  background: var(--grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.fleet-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 10px 14px;
  font-weight: 800;
  font-size: 14px;
  flex: 0 0 auto;
}
.fleet-tag.orange { color: #bb6700; background: rgba(255,156,34,.14); }
.fleet-tag.blue { color: var(--blue-2); background: rgba(23,129,223,.12); }
.price-list {
  display: grid;
  gap: 0;
}
.price-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 16px;
  align-items: center;
  padding: 16px 0;
  border-top: 1px dashed rgba(203,216,231,.95);
}
.price-item:first-child { border-top: 0; padding-top: 8px; }
.price-item span {
  color: var(--text);
  line-height: 1.55;
}
.price-item strong {
  color: var(--text);
  font-size: 22px;
  line-height: 1.3;
  text-align: right;
}

.booking-grid {
  display: grid;
  grid-template-columns: .78fr 1.22fr;
  gap: 22px;
  align-items: start;
}
.booking-copy {
  position: sticky;
  top: 110px;
  align-self: start;
  padding: 12px 2px;
}
.booking-copy h2 {
  margin: 14px 0 10px;
  font-size: clamp(28px, 3vw, 42px);
  line-height: 1.12;
}
.booking-copy p { color: var(--muted); line-height: 1.8; margin: 0 0 18px; }
.mini-stack {
  display: grid;
  gap: 12px;
}
.mini-info {
  padding: 16px 18px;
  border-radius: 20px;
  background: rgba(255,255,255,.88);
  border: 1px solid rgba(223,232,243,.9);
}
.mini-info strong { display: block; margin-bottom: 6px; }
.booking-card { padding: 26px; }
.form-pair-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px 14px;
}
.form-field { min-width: 0; }
.form-field label {
  display: inline-block;
  margin-bottom: 9px;
  font-weight: 800;
  font-size: 15px;
}
.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  min-width: 0;
  border: 1px solid #d6e2ef;
  background: #fbfdff;
  color: var(--text);
  border-radius: 18px;
  padding: 15px 16px;
  outline: none;
  min-height: 56px;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.form-field textarea {
  min-height: 132px;
  resize: vertical;
}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  border-color: rgba(23,129,223,.58);
  box-shadow: 0 0 0 4px rgba(23,129,223,.1);
}
.full-width-field { margin-top: 16px; }
.form-actions { margin-top: 18px; }
.btn-submit {
  width: 100%;
  justify-content: center;
  font-size: 18px;
}
.form-message {
  min-height: 24px;
  margin: 12px 2px 0;
  color: var(--muted);
  font-size: 14px;
}
.form-message.success { color: #118a4f; }
.form-message.error { color: #d64b2a; }

.review-row { grid-auto-columns: minmax(280px, 1fr); }
.review-card { min-height: 230px; }
.review-top {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}
.review-top h3 { margin: 0 0 4px; }
.review-top span { color: var(--muted); font-size: 14px; }
.review-card p { font-size: 16px; }

.floating-actions {
  position: fixed;
  right: max(16px, env(safe-area-inset-right));
  bottom: calc(20px + env(safe-area-inset-bottom));
  display: grid;
  gap: 12px;
  z-index: 30;
}
.floating-actions a {
  width: 62px;
  height: 62px;
  border-radius: 22px;
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 26px;
  box-shadow: 0 18px 30px rgba(19, 62, 110, .18);
}
.float-call { background: linear-gradient(135deg, #ffb000, var(--orange-2)); }
.float-zalo { background: linear-gradient(135deg, #2a9aff, var(--blue)); }

@media (max-width: 1024px) {
  .hero-grid,
  .booking-grid {
    grid-template-columns: 1fr;
  }
  .booking-copy {
    position: static;
    top: auto;
  }
  .brand strong { font-size: 26px; }
}

@media (max-width: 768px) {
  .mobile-topline {
    display: flex;
    position: sticky;
    top: 0;
    z-index: 42;
  }
  .app-header { top: 58px; }
  .header-inner {
    min-height: 78px;
  }
  .menu-toggle {
    display: inline-flex;
    flex: 0 0 auto;
  }
  .header-nav {
    position: absolute;
    left: 16px;
    right: 16px;
    top: calc(100% + 10px);
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    padding: 12px;
    border-radius: 22px;
    background: rgba(255,255,255,.98);
    border: 1px solid rgba(223,232,243,.98);
    box-shadow: var(--shadow);
  }
  .header-nav.is-open { display: flex; }
  .header-nav a { text-align: center; }
  .brand img {
    width: 52px;
    height: 52px;
    border-radius: 16px;
  }
  .brand strong { font-size: 22px; }
  .brand span { display: none; }
  .container { width: min(100% - 20px, var(--container)); }

  .hero-section { padding-top: 18px; }
  .hero-copy,
  .hero-app-card,
  .app-card,
  .booking-card {
    border-radius: 24px;
  }
  .hero-copy,
  .hero-app-card,
  .app-card,
  .booking-card {
    padding: 20px;
  }
  .hero-copy h1 { font-size: clamp(34px, 12vw, 48px); }
  .hero-copy p { font-size: 15px; line-height: 1.72; }
  .hero-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }
  .btn {
    padding: 14px 16px;
    min-height: 54px;
    font-size: 15px;
  }
  .quick-kpis {
    grid-template-columns: repeat(3, minmax(0,1fr));
    gap: 8px;
  }
  .quick-kpis div { padding: 12px; border-radius: 16px; }
  .quick-kpis strong { font-size: 20px; }
  .quick-kpis span { font-size: 11px; }

  .section-block { padding: 12px 0 8px; }
  .section-head { margin-bottom: 14px; }
  .section-head.between {
    flex-direction: column;
    align-items: start;
  }
  .section-head h2 { font-size: 36px; }

  .slider-row {
    grid-auto-columns: 82%;
    gap: 12px;
    padding-bottom: 6px;
  }
  .compact-row { grid-auto-columns: 80%; }
  .fleet-row { grid-auto-columns: 88%; }
  .review-row { grid-auto-columns: 86%; }
  .feature-card,
  .compact-card,
  .review-card,
  .fleet-card { min-height: 0; }
  .feature-card h3, .review-card h3, .fleet-head h3 { font-size: 19px; }
  .compact-card { min-height: 156px; }

  .fleet-head {
    align-items: center;
  }
  .fleet-head h3 { font-size: 28px; }
  .price-item {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  .price-item strong {
    text-align: left;
    font-size: 18px;
  }

  .booking-copy { padding: 4px 2px; }
  .booking-copy h2 { font-size: 34px; }
  .booking-card { padding: 16px; }
  .form-pair-grid {
    grid-template-columns: 1fr 1fr;
    gap: 12px 10px;
  }
  .form-field label {
    font-size: 14px;
    margin-bottom: 7px;
  }
  .form-field input,
  .form-field select,
  .form-field textarea {
    padding: 13px 14px;
    min-height: 52px;
    border-radius: 16px;
    font-size: 14px;
  }
  .form-field input[type="datetime-local"] {
    font-size: 12.5px;
    letter-spacing: -.01em;
  }
  .full-width-field { margin-top: 12px; }

  .floating-actions {
    right: 12px;
    bottom: calc(88px + env(safe-area-inset-bottom));
    gap: 10px;
  }
  .floating-actions a {
    width: 58px;
    height: 58px;
    border-radius: 20px;
  }
}

@media (max-width: 420px) {
  .brand strong { font-size: 19px; }
  .menu-toggle {
    width: 52px;
    height: 52px;
    border-radius: 16px;
  }
  .hero-actions,
  .form-pair-grid {
    grid-template-columns: 1fr 1fr;
  }
  .hero-actions .btn {
    font-size: 14px;
    padding-inline: 10px;
  }
  .slider-row { grid-auto-columns: 86%; }
  .fleet-row { grid-auto-columns: 90%; }
  .review-row { grid-auto-columns: 88%; }
}