/* ============================================================
   SANBAY GO — Industrial wayfinding design system
   Tokens first; every value traces to a variable below.
   ============================================================ */
:root {
  /* surfaces (airport modern — sạch, lạnh nhẹ) */
  --bg: #f7f8fa;
  --surface: #fcfcfd;
  --ink: #131a26;
  --ink-2: #475569;
  --line: #e2e8f0;
  --line-2: #eef2f7;

  /* signal colors */
  --orange: #ea580c;      /* CTA — chữ trắng, tương phản AA */
  --orange-deep: #c2410c; /* hover state */
  --orange-tint: #fff7ed; /* active tint cho selector/pill */
  --amber: #ffb020;       /* departure-board amber, dark surfaces only */
  --blue: #1f4fd8;        /* links + focus ring, AA on light bg */
  --danger: #b42318;
  --teal: #0e7490;        /* nhánh màu sedan / Hạ Long */
  --olive: #4d7c0f;       /* nhánh màu van / Hải Phòng */
  --red: #b91c1c;         /* nhánh màu bus / Hà Nội */
  --pill-border: #fed7aa;
  --zalo: #0068ff;
  --backdrop: rgb(22 27 34 / 0.55);
  --shadow-card: 0 20px 25px -5px rgb(15 23 42 / 0.08), 0 8px 10px -6px rgb(15 23 42 / 0.06);
  --tap-tint: rgb(15 23 42 / 0.06);
  --scrim: rgb(0 0 0 / 0.4);
  --veil-strong: rgb(16 24 40 / 0.92);
  --veil-soft: rgb(16 24 40 / 0.45);
  --shadow-float: 0 4px 14px rgb(16 24 40 / 0.25);
  --white-qr: #fffdfa;

  /* departure board (the single dark theme section) */
  --board: #101828;
  --board-2: #1d2735;
  --board-text: #e2e8f0;
  --board-muted: #94a3b8;

  /* type — Plus Jakarta Sans toàn bộ, số bảng giá dùng tabular-nums */
  --font-display: "Plus Jakarta Sans", "Segoe UI", sans-serif;
  --font-body: "Plus Jakarta Sans", "Segoe UI", sans-serif;
  --step-0: 1.0625rem;
  --step-1: 1.333rem;
  --step-2: 1.666rem;
  --step-3: 2.083rem;
  --step-4: 2.6rem;

  /* spacing (4pt scale) */
  --sp-1: 4px;  --sp-2: 8px;  --sp-3: 12px; --sp-4: 16px;
  --sp-6: 24px; --sp-8: 32px; --sp-12: 48px; --sp-16: 64px; --sp-24: 96px;

  /* shape + motion (radius 6px control / 10px card) */
  --r: 6px;
  --r-lg: 10px;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --dur-1: 150ms;
  --dur-2: 250ms;
  --dur-3: 500ms;
}

/* ---------- reset & base ---------- */
*, *::before, *::after { box-sizing: border-box; }
button, a, input, select, label { touch-action: manipulation; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; overflow-x: clip; }
body { overflow-x: clip; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--step-0);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3 { font-family: var(--font-display); font-weight: 800; line-height: 1.2; margin: 0; text-wrap: balance; letter-spacing: -0.01em; }
p { margin: 0; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--blue); text-decoration-thickness: 1px; text-underline-offset: 3px; }
button { font: inherit; cursor: pointer; }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; }

.wrap { max-width: 1180px; margin-inline: auto; padding-inline: clamp(16px, 4vw, 32px); }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.skip {
  position: absolute; left: var(--sp-4); top: -64px; z-index: 100;
  background: var(--ink); color: var(--surface); padding: var(--sp-3) var(--sp-4);
  border-radius: var(--r); text-decoration: none; transition: top var(--dur-2) var(--ease-out);
}
.skip:focus-visible { top: var(--sp-4); }

/* ---------- buttons (body font only, never display face) ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--sp-2);
  min-height: 48px; padding: var(--sp-3) var(--sp-6);
  border: 1px solid transparent; border-radius: var(--r);
  font-weight: 700; font-size: 0.9375rem; 
  text-decoration: none; color: var(--ink);
  transition: background-color var(--dur-1) var(--ease-out), border-color var(--dur-1) var(--ease-out), transform var(--dur-1) var(--ease-out);
}
.btn:active { transform: translateY(2px); }
.btn-primary { background: var(--orange); border-color: var(--orange); color: var(--ink); }
.btn-primary:hover { background: var(--orange-deep); border-color: var(--orange-deep); }
.btn-ghost { background: transparent; border-color: var(--ink); color: var(--ink); }
.btn-ghost:hover { background: var(--ink); color: var(--surface); }
.btn-sm { min-height: 44px; padding: var(--sp-2) var(--sp-4); }
.btn-lg { min-height: 56px; padding: var(--sp-4) var(--sp-8); font-size: 1.0625rem; }
.btn-block { width: 100%; }

/* ---------- topbar (hairline + single elevation token) ---------- */
.topbar {
  position: sticky; top: 0; z-index: 40;
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.topbar-in { display: flex; align-items: center; gap: var(--sp-6); min-height: 64px; }
.brand { display: inline-flex; align-items: center; gap: var(--sp-2); color: var(--ink); text-decoration: none; }
.brand-word { font-family: var(--font-display); font-weight: 800; font-size: 1.333rem; letter-spacing: 0.01em; }
.brand-word em { font-style: normal; color: var(--orange-deep); }
.topnav { display: flex; gap: var(--sp-6); margin-inline: auto; }
.topnav a { color: var(--ink-2); text-decoration: none; font-weight: 600; font-size: 0.9375rem; padding: var(--sp-2) 0; }
.topnav a:hover { color: var(--ink); text-decoration: underline; text-underline-offset: 4px; }
.top-actions { display: flex; align-items: center; gap: var(--sp-4); }
.lang { display: inline-flex; border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; }
.lang-btn {
  min-width: 44px; min-height: 44px; border: 0; background: var(--surface);
  color: var(--ink-2); font-weight: 700; font-size: 0.8125rem; 
}
.lang-btn[aria-pressed="true"] { background: var(--ink); color: var(--surface); }

@media (max-width: 860px) { .topnav { display: none; } .top-actions { margin-left: auto; } }
@media (prefers-reduced-transparency: reduce) { .topbar { background: var(--bg); backdrop-filter: none; } }
@media (max-width: 600px) { .topbar .btn-sm { display: none; } .topbar-in { gap: var(--sp-4); } }

/* ---------- hero: split 5/7 ---------- */
.hero { padding-block: clamp(48px, 8vw, 96px) clamp(48px, 7vw, 80px); }
.hero-in { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(32px, 5vw, 64px); align-items: start; }
.hero-h1 {
  font-size: clamp(3rem, 6vw + 1rem, 5.25rem);
   margin-bottom: var(--sp-6);
}
.hero-p { font-size: var(--step-1); line-height: 1.55; color: var(--ink-2); max-width: 34ch; margin-bottom: var(--sp-8); }
.hero-cta { display: flex; flex-wrap: wrap; gap: var(--sp-4); }

/* ---------- quote builder (the product in the hero) ---------- */
.quote {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--r);
  padding: var(--sp-6); box-shadow: none;
}
.quote-title { font-size: var(--step-2); text-transform: uppercase; letter-spacing: 0.02em; margin-bottom: var(--sp-4); }
.leg { border: 1px solid var(--line-2); border-radius: var(--r); padding: var(--sp-4); margin-bottom: var(--sp-3); }
.leg-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: var(--sp-3); }
.leg-tag { font-weight: 700; font-size: 0.75rem; color: var(--ink-2); }
.leg-rm {
  min-width: 44px; min-height: 44px; display: inline-flex; align-items: center; justify-content: center;
  background: none; border: 1px solid var(--line); border-radius: var(--r); color: var(--ink-2);
}
.leg-rm:hover { border-color: var(--danger); color: var(--danger); }
.leg-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-3); }
.leg-grid > .field { min-width: 0; } /* option dài không được đẩy track tràn khung */
@media (max-width: 560px) { .leg-grid { grid-template-columns: 1fr; } }
.field label { display: block; font-weight: 600; font-size: 0.8125rem; margin-bottom: var(--sp-1); color: var(--ink-2); }
.field select, .field input {
  width: 100%; min-height: 44px; padding: var(--sp-3);
  border: 1px solid var(--line); border-radius: var(--r);
  background: var(--bg) no-repeat right var(--sp-3) center; background-color: var(--bg);
  color: var(--ink); font-family: inherit; font-size: 1rem; font-variant-numeric: tabular-nums;
}
.field select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2349535f' stroke-width='2'/%3E%3C/svg%3E");
  padding-right: 32px;
}
.field input[type="date"], .field input[type="time"] { min-height: 44px; }
.field select:hover, .field input:hover { border-color: var(--ink-2); }
.field .err { display: none; color: var(--danger); font-size: 0.8125rem; margin-top: var(--sp-1); }
.field.has-err select, .field.has-err input { border-color: var(--danger); }
.field.has-err .err { display: block; }
.leg-actions { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-2); margin-bottom: var(--sp-6); }
.add-leg {
  width: 100%; min-height: 44px; display: inline-flex; align-items: center; justify-content: center; gap: var(--sp-2);
  background: none; border: 1px dashed var(--line); border-radius: var(--r);
  color: var(--ink-2); font-weight: 600;
}
.add-leg:hover { border-color: var(--ink); color: var(--ink); }
.add-rt { border-style: solid; }
@media (max-width: 480px) { .leg-actions { grid-template-columns: 1fr; } }

.quote-block { border: 0; padding: 0; margin: 0 0 var(--sp-4); }
.quote-block legend, .flight-block label { font-weight: 600; font-size: 0.8125rem; color: var(--ink-2); margin-bottom: var(--sp-2); display: block; }
.veh-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(92px, 1fr)); gap: var(--sp-2); }
.veh-opt { position: relative; }
.veh-opt input { position: absolute; opacity: 0; inset: 0; }
.veh-opt span {
  display: flex; flex-direction: column; align-items: center; gap: var(--sp-1);
  min-height: 64px; padding: var(--sp-2); justify-content: center;
  border: 1px solid var(--line); border-radius: var(--r); text-align: center;
  transition: border-color var(--dur-1) var(--ease-out);
}
.veh-opt b { font-size: 0.9375rem; }
.veh-opt small { color: var(--ink-2); font-size: 0.75rem; }
.veh-opt span:hover { border-color: var(--ink-2); }
.veh-opt input:checked + span { border-color: var(--ink); box-shadow: inset 0 0 0 1px var(--ink); }
.veh-opt input:checked + span::after {
  content: ""; position: absolute; top: 4px; right: 4px; width: 8px; height: 8px;
  background: var(--orange); border-radius: 50%;
}
.veh-opt input:focus-visible + span { outline: 2px solid var(--blue); outline-offset: 2px; }
.flight-block input { width: 100%; min-height: 44px; padding: var(--sp-3); border: 1px solid var(--line); border-radius: var(--r); background: var(--bg); font-family: inherit; font-size: 1rem; text-transform: uppercase; }

/* quote total = mini departure board */
.quote-total { background: var(--board); color: var(--board-text); border-radius: var(--r); padding: var(--sp-4); margin-bottom: var(--sp-4); }
.qt-row { display: flex; justify-content: space-between; gap: var(--sp-4); padding: var(--sp-2) 0; border-bottom: 1px solid var(--board-2); font-size: 0.9375rem; color: var(--board-muted); }
.qt-row b { color: var(--board-text); font-variant-numeric: tabular-nums; font-weight: 600; }
.qt-disc b { color: var(--amber); }
.qt-grand { border-bottom: 0; padding-top: var(--sp-3); }
.qt-grand span { color: var(--board-text); font-weight: 700; font-size: 0.8125rem; }
.qt-grand b { font-size: var(--step-2); color: var(--amber); font-variant-numeric: tabular-nums; }
.qt-usd { font-size: 0.8125rem; color: var(--board-muted); margin-top: var(--sp-1); }
.qt-usd b { color: var(--board-muted); font-variant-numeric: tabular-nums; }
.quote-note { color: var(--ink-2); font-size: 0.8125rem; margin-top: var(--sp-3); }

@media (max-width: 900px) {
  .hero-in { grid-template-columns: 1fr; }
  .hero-in > * { min-width: 0; }
  .hero-p { max-width: none; }
}

/* ---------- departure board band (the one dark theme) ---------- */
.board { background: var(--board); color: var(--board-text); padding-block: clamp(48px, 8vw, 96px); }
.board-label { font-size: 0.75rem; color: var(--board-muted); margin-bottom: var(--sp-6); }
.board-table { border: 1px solid var(--board-2); border-radius: var(--r); overflow: hidden; }
.bt-row {
  display: grid; grid-template-columns: 0.9fr 2.2fr 1fr 0.7fr 1.1fr; gap: var(--sp-4);
  align-items: center; padding: var(--sp-4) var(--sp-6);
  border-bottom: 1px solid var(--board-2); font-size: 0.9375rem;
}
.bt-row:last-child { border-bottom: 0; }
.bt-head {
  background: var(--board-2); color: var(--board-muted);
  font-size: 0.75rem; font-weight: 700; padding-block: var(--sp-3);
}
.bt-code { color: var(--amber); font-weight: 700; letter-spacing: 0.04em; }
.bt-time, .bt-price { font-variant-numeric: tabular-nums; }
.bt-price { text-align: right; font-weight: 600; }
.bt-tag { font-style: normal; color: var(--amber); font-weight: 700; font-size: 0.8125rem; margin-left: var(--sp-2); }
.bt-row svg { vertical-align: -2px; color: var(--board-muted); }
.board-note { margin-top: var(--sp-6); color: var(--board-muted); font-size: 0.9375rem; }
.board-ticker {
  margin-top: var(--sp-3); display: flex; flex-wrap: wrap; align-items: center; gap: var(--sp-2) var(--sp-3);
  color: var(--board-muted); font-size: 0.875rem;
}
.tk-label { color: var(--amber); font-weight: 700; font-size: 0.75rem; }
.tk-sep { opacity: 0.4; }

/* tab nội dung: thanh tab thay cuộn dài, phong cách bảng hiệu */
.tabbar {
  display: flex; gap: var(--sp-1); overflow-x: auto; scrollbar-width: none;
  border-bottom: 1px solid var(--line); background: var(--surface);
  position: sticky; top: 65px; z-index: 20;
}
.tabbar::-webkit-scrollbar { display: none; }
.tab {
  appearance: none; background: none; border: 0; border-bottom: 3px solid transparent; cursor: pointer;
  padding: var(--sp-4) var(--sp-4); white-space: nowrap;
  font-family: var(--font-display); font-size: 1.125rem; letter-spacing: 0.02em; 
  color: var(--ink-2);
}
.tab:active { transform: scale(0.97); }
.tab:hover { color: var(--ink); }
.tab[aria-selected="true"] { color: var(--ink); border-bottom-color: var(--orange); }

@media (max-width: 760px) {
  .bt-row { grid-template-columns: 1.6fr 1fr 1fr; }
  .bt-head span:nth-child(1), .bt-row > :nth-child(1),
  .bt-head span:nth-child(4), .bt-row > :nth-child(4) { display: none; }
}

/* ---------- steps (real ordered sequence, numbered) ---------- */
.steps { padding-block: clamp(48px, 8vw, 96px); }
.sec-h { font-size: var(--step-4); text-transform: uppercase; letter-spacing: 0.01em; margin-bottom: var(--sp-8); display: flex; align-items: baseline; gap: var(--sp-3); }
.sec-h::before {
  content: counter(gate, decimal-leading-zero);
  counter-increment: gate;
  font-family: var(--font-display); font-weight: 800; font-size: var(--step-2);
  color: var(--orange); letter-spacing: 0.04em;
}
.sec-h::after { content: ""; flex: 1; height: 1px; background: var(--line); align-self: center; }
section { counter-increment: gate; }
.steps-list {
  list-style: none; margin: 0; padding: 0;
  display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: var(--sp-8) var(--sp-6);
}
.steps-list li { border-top: 1px solid var(--ink); padding-top: var(--sp-4); }
.step-no { font-family: var(--font-display); font-weight: 800; font-size: var(--step-2); color: var(--amber); background: var(--board); display: inline-block; padding: 2px 8px; border-radius: var(--r); margin-bottom: var(--sp-2); letter-spacing: 0.06em; }
.steps-list h3 { font-size: var(--step-1); text-transform: uppercase; margin-bottom: var(--sp-2); }
.steps-list p { color: var(--ink-2); font-size: 0.9375rem; }

/* ---------- fleet: asymmetric grid, hairline cards ---------- */
.fleet { padding-block: clamp(48px, 8vw, 96px); border-top: 1px solid var(--line); }
.fleet-grid { display: grid; grid-template-columns: 1.8fr 1fr 1fr; gap: var(--sp-4); }
.veh-card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--r);
  padding: var(--sp-6); display: flex; flex-direction: column; gap: var(--sp-3);
  transition: transform var(--dur-2) var(--ease-out), border-color var(--dur-2) var(--ease-out);
}
.veh-card:hover { transform: translateY(-2px); border-color: var(--ink); }
.veh-ic { width: 44px; height: 44px; color: var(--ink); }
.veh-card h3 { font-size: var(--step-2); text-transform: uppercase; }
.veh-specs { margin: 0; display: flex; flex-direction: column; gap: var(--sp-1); }
.veh-specs div { display: flex; justify-content: space-between; gap: var(--sp-4); border-top: 1px solid var(--line-2); padding-top: var(--sp-1); }
.veh-specs dt { color: var(--ink-2); font-size: 0.8125rem; }
.veh-specs dd { margin: 0; font-weight: 600; font-variant-numeric: tabular-nums; }
.veh-desc { color: var(--ink-2); font-size: 0.9375rem; }
.veh-featured { grid-row: span 2; justify-content: flex-start; }
.veh-featured .veh-ic { width: 72px; height: 72px; }
.veh-featured h3 { font-size: var(--step-3); }
.veh-tag {
  align-self: flex-start; background: var(--orange); color: var(--ink);
  font-weight: 700; font-size: 0.75rem; 
  padding: var(--sp-1) var(--sp-2); border-radius: var(--r);
}
@media (max-width: 900px) { .fleet-grid { grid-template-columns: 1fr 1fr; } .veh-featured { grid-column: span 2; grid-row: auto; } }
@media (max-width: 560px) { .fleet-grid { grid-template-columns: 1fr; } .veh-featured { grid-column: auto; } }

/* ---------- photo band (single real image, duotone; falls back to board bg) ---------- */
.photo-band { position: relative; background: var(--board); color: var(--board-text); min-height: clamp(280px, 38vw, 420px); display: flex; align-items: center; overflow: hidden; }
.photo-band img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; filter: grayscale(1) contrast(1.1) brightness(0.7); }
.photo-band::after { content: ""; position: absolute; inset: 0; background: linear-gradient(100deg, var(--veil-strong) 20%, var(--veil-soft) 75%); }
.pb-in { position: relative; z-index: 1; }
.pb-line { font-size: var(--step-2); font-weight: 600; max-width: 28ch; border-left: 3px solid var(--amber); padding-left: var(--sp-4); line-height: 1.4; }

/* ---------- pricing: transparent table + policy columns ---------- */
.pricing { padding-block: clamp(48px, 8vw, 96px); }
.pricing-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: clamp(32px, 5vw, 64px); align-items: start; }
.pt { width: 100%; border-collapse: collapse; }
.pt th, .pt td { text-align: left; padding: var(--sp-3) 0; border-bottom: 1px solid var(--line); font-weight: 400; }
.pt td { text-align: right; font-variant-numeric: tabular-nums; }
.pt-total th { font-weight: 700; font-size: 0.8125rem; }
.pt-total td { font-weight: 700; font-size: var(--step-1); }
.pt-note { color: var(--ink-2); font-size: 0.9375rem; margin-top: var(--sp-4); }
.policy { display: flex; flex-direction: column; }
.pol-col { border-top: 1px solid var(--ink); padding: var(--sp-4) 0 var(--sp-6); }
.pol-col h3 { font-size: var(--step-1); text-transform: uppercase; margin-bottom: var(--sp-2); }
.pol-col p { color: var(--ink-2); font-size: 0.9375rem; }
@media (max-width: 860px) { .pricing-grid { grid-template-columns: 1fr; } }

/* ---------- cta band ---------- */
.cta-band { background: var(--board); color: var(--board-text); padding-block: clamp(48px, 8vw, 88px); position: relative; overflow: hidden; }
.cta-band::after { content: ""; position: absolute; inset: auto 0 -1px 0; height: 6px;
  background: repeating-linear-gradient(90deg, var(--amber) 0 14px, transparent 14px 28px); opacity: .55; }
.cta-in { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--sp-6); }
.cta-line { font-family: var(--font-display); font-weight: 800; font-size: clamp(2rem, 4vw + 0.5rem, 3.25rem); text-transform: uppercase; line-height: 1.18; color: var(--amber); max-width: 22ch; }
.cta-band .btn { background: var(--orange-deep); border-color: var(--orange-deep); color: var(--white-qr); }
.cta-band .btn:hover { background: var(--orange-deep); border-color: var(--orange-deep); }

/* ---------- footer (light, hairline top) ---------- */
.footer { border-top: 1px solid var(--line); padding-block: var(--sp-8); }
.footer-in { display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--sp-6); color: var(--ink-2); font-size: 0.9375rem; }
.f-brand { font-size: var(--step-1); color: var(--ink); }
.f-legal { max-width: 46ch; }

/* ---------- dialog ---------- */
.dlg { border: 1px solid var(--line); border-radius: var(--r-lg); padding: var(--sp-8); max-width: 480px; width: calc(100% - 32px); box-shadow: none; overflow-y: auto; overscroll-behavior: contain; max-height: min(86vh, 720px); }
.dlg::backdrop { background: var(--backdrop); }
.dlg h2 { font-size: var(--step-2); text-transform: uppercase; margin-bottom: var(--sp-2); }
.dlg-code { font-family: var(--font-display); font-size: var(--step-3); color: var(--orange-deep); letter-spacing: 0.04em; margin-bottom: var(--sp-4); }
.dlg-summary { border: 1px solid var(--line-2); border-radius: var(--r); padding: var(--sp-4); margin-bottom: var(--sp-4); font-size: 0.9375rem; }
.dlg-summary .ds-row { display: flex; justify-content: space-between; gap: var(--sp-4); padding: var(--sp-1) 0; }
.dlg-summary .ds-row b { font-variant-numeric: tabular-nums; }
.dlg-note { color: var(--ink-2); font-size: 0.875rem; margin-bottom: var(--sp-6); }

/* ---------- contact quốc tế ---------- */
.contact-row { display: grid; grid-template-columns: 96px 1fr; gap: var(--sp-2); }
.contact-row > * { min-width: 0; }
.contact-row select, .contact-row input {
  min-height: 44px; padding: var(--sp-3); border: 1px solid var(--line);
  border-radius: var(--r); background: var(--bg); color: var(--ink);
  font-family: inherit; font-size: 1rem; font-variant-numeric: tabular-nums;
}
.contact-row select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2349535f' stroke-width='2'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 8px center; padding-right: 24px;
}
.contact-block .err { color: var(--danger); font-size: 0.8125rem; margin: var(--sp-1) 0 0; min-height: 1em; }

/* ---------- điểm gặp tại sân bay ---------- */
.meeting { padding-block: clamp(48px, 8vw, 96px); border-top: 1px solid var(--line); }
.mp-tabs { display: flex; flex-wrap: wrap; gap: var(--sp-2); margin-bottom: var(--sp-6); }
.mp-tab {
  min-height: 44px; min-width: 72px; padding: 0 var(--sp-4);
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--r);
  color: var(--ink-2); font-weight: 700; letter-spacing: 0.06em;
}
.mp-tab:hover { border-color: var(--ink-2); color: var(--ink); }
.mp-tab.on { background: var(--ink); border-color: var(--ink); color: var(--surface); }
.mp-panel { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: var(--sp-8); align-items: start; }
.mp-name { font-size: var(--step-2); text-transform: uppercase; margin-bottom: var(--sp-4); }
.mp-dl { margin: 0; }
.mp-dl div { display: grid; grid-template-columns: 120px 1fr; gap: var(--sp-3); padding: var(--sp-3) 0; border-top: 1px solid var(--line-2); }
.mp-dl dt { color: var(--ink-2); font-size: 0.8125rem; font-weight: 600; }
.mp-dl dd { margin: 0; }
.mp-wait { margin-top: var(--sp-4); color: var(--ink-2); font-size: 0.9375rem; border-left: 2px solid var(--orange); padding-left: var(--sp-3); }
.mp-visual { display: flex; flex-direction: column; gap: var(--sp-3); }
.mp-board { background: var(--surface); border: 1px solid var(--ink); border-radius: var(--r); padding: var(--sp-4) var(--sp-6); display: flex; flex-direction: column; gap: var(--sp-1); }
.mp-board-tag { font-size: 0.6875rem; font-weight: 700; color: var(--ink-2); }
.mp-board-name { font-family: var(--font-display); font-weight: 700; font-size: var(--step-3); text-transform: uppercase; line-height: 1; }
.mp-board-fl { color: var(--ink-2); font-size: 0.875rem; font-variant-numeric: tabular-nums; }
.mp-visual img { filter: grayscale(1) contrast(1.05); border: 1px solid var(--line); border-radius: var(--r); }
.mp-note { margin-top: var(--sp-6); color: var(--ink-2); font-size: 0.9375rem; max-width: 70ch; }
@media (max-width: 760px) { .mp-panel { grid-template-columns: 1fr; } .mp-dl div { grid-template-columns: 96px 1fr; } }

/* ---------- điểm đến: hàng biên tập kẻ mảnh ---------- */
.dest { padding-block: clamp(48px, 8vw, 96px); border-top: 1px solid var(--line); }
.dest-row {
  display: grid; grid-template-columns: 260px 1fr; gap: var(--sp-8);
  padding: var(--sp-6) 0; border-top: 1px solid var(--line);
}
.dest-row:first-of-type { border-top: 0; padding-top: 0; }
.dest-head h3 { font-size: var(--step-3); text-transform: uppercase; }
.dest-hook { color: var(--ink-2); margin-top: var(--sp-2); }
.dest-body p { max-width: 68ch; }
.dest-src {
  display: inline-block; margin-top: var(--sp-3); color: var(--ink-2);
  font-size: 0.8125rem; text-decoration: underline; text-underline-offset: 3px;
}
@media (max-width: 760px) { .dest-row { grid-template-columns: 1fr; gap: var(--sp-3); } }

/* ---------- trust strip ---------- */
.trust { border-top: 1px solid var(--line); padding-block: var(--sp-8); }
.trust-in { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--sp-6); }
.trust-badges { list-style: none; display: flex; flex-wrap: wrap; gap: var(--sp-6); margin: 0; padding: 0; }
.trust-badges li { display: inline-flex; align-items: center; gap: var(--sp-2); font-weight: 600; font-size: 0.9375rem; }
.trust-badges svg { width: 22px; height: 22px; color: var(--ink); flex: none; }
.pay-strip { color: var(--ink-2); font-size: 0.875rem; font-variant-numeric: tabular-nums; }

/* ---------- chip "EN" trên thẻ xe ---------- */
.chip-en { font-style: normal; font-size: 0.6875rem; font-weight: 700; color: var(--ink-2); border: 1px solid var(--line); border-radius: 999px; padding: 2px 6px; vertical-align: middle; }

/* ---------- dialog: QR chuyển khoản ---------- */
.dlg-qr { display: flex; align-items: center; gap: var(--sp-4); border: 1px solid var(--line-2); border-radius: var(--r); padding: var(--sp-3); margin-top: var(--sp-3); }
.dlg-qr img { width: 130px; height: auto; flex: none; }
.dlg-qr-note { color: var(--ink-2); font-size: 0.875rem; }
.dlg-qr-note b { color: var(--ink); font-variant-numeric: tabular-nums; }

/* ---------- dialog: dòng giờ VN ---------- */
.dlg-tz { margin: var(--sp-3) 0 0; color: var(--ink-2); font-size: 0.8125rem; }

/* ---------- reveal (JS-gated: content visible without JS) ---------- */
.js .rv { opacity: 0; transform: translateY(14px); transition: opacity var(--dur-3) var(--ease-out), transform var(--dur-3) var(--ease-out); }
.js .rv.in { opacity: 1; transform: none; }
.bt-row.rv:nth-child(2) { transition-delay: 60ms; }
.bt-row.rv:nth-child(3) { transition-delay: 120ms; }
.bt-row.rv:nth-child(4) { transition-delay: 180ms; }

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
  .js .rv { opacity: 1; transform: none; }
}

/* form đang gửi + lỗi API + QR chuyển khoản trong dialog */
.quote[aria-busy="true"] { opacity: 0.6; pointer-events: none; }
.form-err { display: none; color: var(--danger); font-size: 0.9375rem; margin-top: var(--sp-3); }
.form-err.on { display: block; }
.dlg-qr { margin: var(--sp-4) 0 0; text-align: center; }
.dlg-qr img { border: 1px solid var(--line-2); border-radius: var(--r); background: var(--white-qr); }
.dlg-qr figcaption { font-size: 0.8125rem; color: var(--ink-2); margin-top: var(--sp-2); }

/* dòng cam kết "không nhưng" + VAT + nút liên hệ ghim góc */
.promise {
  margin: 0 0 var(--sp-3); padding: var(--sp-3) var(--sp-4);
  border-left: 3px solid var(--orange); background: var(--surface);
  font-weight: 600; font-size: 0.9375rem;
}
.vat-line { margin-top: var(--sp-2); }
#vat-ms {
  margin-top: var(--sp-2); width: 100%; min-height: 44px;
  border: 1px solid var(--line); border-radius: var(--r);
  background: var(--bg); padding: 0 var(--sp-3); font: inherit;
}
#vat-err { color: var(--danger); font-size: 0.8125rem; margin-top: var(--sp-1); }
.contact-float {
  position: fixed; right: var(--sp-4); bottom: var(--sp-4); z-index: 60;
  display: none; flex-direction: column; gap: var(--sp-2);
}
@media (max-width: 767px) {
  .contact-float:not([hidden]) { display: flex; }
}
.cf-btn {
  width: 52px; height: 52px; border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  font-weight: 700; text-decoration: none; box-shadow: var(--shadow-float);
}
.cf-call { background: var(--orange); color: var(--ink); }
.cf-zalo { background: var(--zalo); color: var(--white-qr); font-size: 0.8125rem; }

/* số tiền dùng tabular-nums — bảng giá không nhảy nhót */
.qt-row b, #qt-total, #qt-usd, .bt-price, .veh-specs dd, .pt-total td,
table.pt td, .ds-row b, .tk-item { font-variant-numeric: tabular-nums; }

/* hero "airport modern": check pills + form card nổi */
.hero-pills { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--sp-2); margin-top: var(--sp-4); }
@media (max-width: 700px) { .hero-pills { grid-template-columns: 1fr; } }
.pill {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 12px; border-radius: 999px;
  background: var(--orange-tint); color: var(--ink);
  border: 1px solid var(--pill-border); font-weight: 600; font-size: 0.875rem;
}
.pill svg { color: var(--orange); flex: none; }
.quote { box-shadow: var(--shadow-card); border-radius: var(--r-lg); }

/* ---------- dải live ticker (dark anchor dưới hero) ---------- */
.liverow { background: var(--board); border-block: 1px solid var(--board-2); }
.liverow .wrap { display: flex; align-items: center; gap: var(--sp-3); padding-block: var(--sp-2); min-height: 40px; }
.lr-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--amber); flex: none; animation: lr-pulse 1.6s ease-in-out infinite; }
@keyframes lr-pulse { 50% { opacity: .25; transform: scale(.8); } }
.liverow #ticker { margin: 0; color: var(--board-muted); font-size: 0.8125rem; }
.liverow .tk-label { color: var(--amber); }

/* ---------- chống đơn điệu: mỗi khối một màu nhận diện ---------- */
/* fleet: viền đầu card theo hạng xe + card limo nền tối nổi */
.veh-card { border-top: 3px solid var(--line); }
.veh-card:nth-of-type(1) { border-top-color: var(--board); }   /* limo featured */
.veh-card:nth-of-type(2) { border-top-color: var(--teal); }        /* sedan — teal */
.veh-card:nth-of-type(3) { border-top-color: var(--orange); }  /* suv — cam */
.veh-card:nth-of-type(4) { border-top-color: var(--olive); }        /* van — olive */
.veh-card:nth-of-type(5) { border-top-color: var(--red); }        /* bus — đỏ */
.veh-featured { background: var(--board); border-color: var(--board); }
.veh-featured .veh-tag { background: var(--amber); color: var(--board); }
.veh-featured h3, .veh-featured dt, .veh-featured dd, .veh-featured .veh-desc { color: var(--board-text); }
.veh-featured dd { color: var(--amber); font-weight: 800; }

/* dest: mỗi điểm một màu hook */
.dest-row .dest-hook { border-left: 3px solid var(--line); padding-left: var(--sp-3); font-weight: 700; }
.dest-row:nth-of-type(1) .dest-hook { border-left-color: var(--red); }  /* Hà Nội */
.dest-row:nth-of-type(2) .dest-hook { border-left-color: var(--teal); }  /* Hạ Long */
.dest-row:nth-of-type(3) .dest-hook { border-left-color: var(--olive); }  /* Hải Phòng */

/* photo band: thêm đèn đường băng nhấp nháy nhẹ trên gradient */
.photo-band {
  background:
    radial-gradient(2px 2px at 12% 78%, var(--amber) 40%, transparent 41%),
    radial-gradient(2px 2px at 28% 88%, var(--amber) 40%, transparent 41%),
    radial-gradient(2px 2px at 46% 80%, var(--orange-deep) 40%, transparent 41%),
    radial-gradient(2px 2px at 64% 90%, var(--amber) 40%, transparent 41%),
    radial-gradient(2px 2px at 82% 82%, var(--orange-deep) 40%, transparent 41%),
    linear-gradient(180deg, transparent, var(--scrim)),
    radial-gradient(1200px 300px at 80% 0%, var(--board-2) 0%, var(--board) 60%),
    var(--board);
}

/* ---------- guideline fixes ---------- */
:root { color-scheme: light; }
body { -webkit-tap-highlight-color: var(--tap-tint); }
@media (max-width: 767px) {
  .contact-float:not([hidden]) {
    bottom: calc(var(--sp-4) + env(safe-area-inset-bottom, 0px));
    right: calc(var(--sp-4) + env(safe-area-inset-right, 0px));
  }
}

/* states: disabled — Floor 26b */
.btn:disabled, .btn[aria-disabled="true"] { opacity: 0.5; cursor: not-allowed; pointer-events: none; }
.tab:disabled { opacity: 0.4; cursor: not-allowed; }
.field select:disabled, .field input:disabled { opacity: 0.55; background: var(--line-2); color: var(--ink-2); cursor: not-allowed; }

/* ---------- motion pass (emil-design-eng) ----------
   Nguyên tắc: chỉ transform/opacity; ease-out cho entrada;
   press feedback; tần suất thấp mới animate. */

/* nút bấm có phản hồi vật lý */
.btn { transition: transform 80ms ease-out, background-color var(--dur-1) var(--ease-out), border-color var(--dur-1) var(--ease-out), color var(--dur-1) var(--ease-out); }
.btn:active { transform: scale(0.98); }

/* dialog vào: fade + dịch nhẹ + scale 0.97 (không bao giờ scale từ 0) */
.dlg {
  opacity: 1; transform: none;
  transition: opacity 200ms var(--ease-out), transform 200ms var(--ease-out), overlay 200ms var(--ease-out) allow-discrete, display 200ms allow-discrete;
}
.dlg[open] { animation: dlg-in 200ms var(--ease-out); }
@keyframes dlg-in { from { opacity: 0; transform: translateY(8px) scale(0.97); } }
.dlg::backdrop { transition: opacity 200ms var(--ease-out); }
@starting-style { .dlg[open] { opacity: 0; transform: translateY(8px) scale(0.97); } .dlg[open]::backdrop { opacity: 0; } }

/* panel tab xuất hiện: fade + dịch 6px, chỉ khi hiện */
.steps:not([hidden]), .board:not([hidden]), .fleet:not([hidden]),
.meeting:not([hidden]), .dest:not([hidden]), .pricing:not([hidden]) {
  animation: panel-in 220ms var(--ease-out);
}
@keyframes panel-in { from { opacity: 0; transform: translateY(6px); } }

/* card đội xe: hover nhấc nhẹ */
.veh-card { transition: transform 180ms var(--ease-out), box-shadow 180ms var(--ease-out); }
.veh-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-card); }

/* selector xe: hover nhấc 1px */
.veh-opt span { transition: transform 120ms var(--ease-out), border-color var(--dur-1) var(--ease-out), background-color var(--dur-1) var(--ease-out); }
.veh-opt:hover span { transform: translateY(-1px); }


/* ---- FAQ (tab 7) — accordion thuần, không JS ---- */
.faq { padding: var(--sp-8) 0; }
.faq-in { max-width: 46rem; }
.faq-sub { color: var(--ink-2); margin: var(--sp-2) 0 var(--sp-5); }
.faq-list details { border: 1px solid var(--line); border-radius: var(--r-lg); background: var(--surface); margin-bottom: var(--sp-3); overflow: clip; }
.faq-list summary {
  cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center;
  gap: var(--sp-3); padding: var(--sp-4) var(--sp-4); font-weight: 700; min-height: 44px;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after {
  content: ""; flex: 0 0 auto; width: 12px; height: 12px; margin-right: 2px;
  border-right: 2px solid var(--ink-2); border-bottom: 2px solid var(--ink-2);
  transform: rotate(45deg); transition: transform 0.18s ease-out;
}
.faq-list details[open] summary::after { transform: rotate(225deg); }
.faq-list details[open] summary { color: var(--orange-deep); }
.faq-list details p { padding: 0 var(--sp-4) var(--sp-4); color: var(--ink-2); font-size: 0.9375rem; line-height: 1.6; }

/* ---- Reviews — chỉ hiện khi AC_REVIEWS có dữ liệu ---- */
.reviews { padding: var(--sp-8) 0; border-top: 1px solid var(--line-2); }
.rev-grid { display: grid; gap: var(--sp-4); grid-template-columns: 1fr; }
@media (min-width: 720px) { .rev-grid { grid-template-columns: repeat(3, 1fr); } }
.rev-card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg);
  padding: var(--sp-4); box-shadow: var(--shadow-card); margin: 0;
}
.rev-card blockquote { font-size: 0.9375rem; line-height: 1.6; margin-bottom: var(--sp-3); }
.rev-card figcaption { color: var(--ink-2); font-size: 0.8125rem; font-weight: 600; }