/* Da Nang Hoi An theme (Oct 2026): bright travel-app look — sky-blue actions, one geometric sans,
   white rounded cards on a cool-grey page, booking card in the hero. Layered over the shared sister-site stylesheet. */
:root {
  --green-950: #1c2930;   /* footer */
  --green-900: #03121a;   /* headings */
  --green-800: #0175c8;   /* blue surfaces with white text (4.8:1) */
  --green-700: #0170c2;   /* links (5.1:1) */
  --green-600: #0194f3;   /* ticks, icons, decoration */
  --green-100: #e7f4fd;
  --paper: #ffffff;
  --paper-2: #f7f9fa;     /* page grey */
  --line: #e6eaed;
  --ink: #03121a;
  --muted: #5b6770;
  --accent: #0194f3;      /* bright blue, large text / decoration */
  --accent-ink: #0170c2;
  --coral-btn: #0175c8;   /* primary buttons */
  --teal-dot: #0194f3;
  --orange: #ff5e1f;      /* deals and price highlights (decoration) */
  --orange-ink: #c94a0f;  /* orange for text (4.7:1) */
  --serif: var(--sans);   /* single typeface everywhere */
  --radius: 8px;
  --radius-lg: 12px;
  --shadow: 0 1px 2px rgba(3, 18, 26, .06), 0 4px 16px rgba(3, 18, 26, .08);
}

/* ---------- Type: no italics, bold sans headings ---------- */
h1, h2, .logo, .itin__head h3, .note-cards h3, .bundle__price, .reviews-score__num, .ticket__route strong, .ticket__code, .price-card .price {
  font-family: var(--sans); font-style: normal;
}
h1, h2 { font-weight: 600; letter-spacing: -.02em; }
h1 { color: var(--ink); font-size: clamp(2rem, 1.4rem + 2.6vw, 3.2rem); }
h2 { font-size: clamp(1.45rem, 1.2rem + 1vw, 2rem); }
.eyebrow { color: var(--green-700); letter-spacing: .06em; }
.lead { color: var(--muted); }

/* ---------- Buttons ---------- */
.btn { border-radius: var(--radius); }
.btn-primary { background: var(--coral-btn); }
.btn-primary:hover { background: #015fa3; }
.btn-outline { border-color: var(--line); color: var(--green-700); background: #fff; }
.btn-outline:hover { background: var(--green-100); color: var(--green-700); border-color: var(--green-600); }
.btn-accent { color: var(--green-700); }

/* ---------- Header: white bar + category row ---------- */
.site-header { background: #fff; border-bottom: 1px solid var(--line); box-shadow: 0 1px 6px rgba(3,18,26,.04); }
.header-inner { min-height: 64px; }
.logo { font-weight: 600; font-size: 1.2rem; color: var(--green-600); letter-spacing: -.02em; }
.logo:hover { color: var(--green-600); }
.logo__mark { color: var(--green-600); }
.nav-desktop a { font-size: .92rem; font-weight: 600; color: var(--ink); }
.nav-desktop a:hover { background: var(--green-100); color: var(--green-700); }
.nav-desktop a[aria-current="page"] { color: var(--green-700); box-shadow: inset 0 -3px 0 var(--green-600); }
.header-cta { min-height: 40px; padding: .45em 1.1em; font-size: .92rem; }
.subnav { border-top: 1px solid var(--line); }
.subnav ul { display: flex; gap: 6px; list-style: none; margin: 0; padding: 0; overflow-x: auto; scrollbar-width: none; }
.subnav a { display: inline-flex; align-items: center; gap: 8px; padding: 10px 12px; font-size: .88rem; font-weight: 500; color: var(--muted); text-decoration: none; white-space: nowrap; }
.subnav a:hover { color: var(--green-700); }
.subnav svg { width: 18px; height: 18px; color: var(--green-600); }
@media (max-width: 980px) { .subnav { display: none; } }

/* ---------- Sections and cards ---------- */
.section { padding: clamp(44px, 6vw, 72px) 0; }
.section-head h2 { margin-bottom: .3em; }
.page-hero { background: linear-gradient(180deg, var(--green-100), #fff); }
.page-hero h1 { color: var(--ink); }
.intro-band { background: #fff; border-bottom: 1px solid var(--line); }
.who-list li { background: #fff; border: 1px solid var(--line); }
.who-list li::before { box-shadow: inset 0 0 0 6px #cfe9fc; }
.itin, .panel, .bundle, .map-card, .inquiry, .form-done, .prep-list li, .post-card { border-radius: var(--radius-lg); }
.panel { box-shadow: var(--shadow); }
.panel:not(.panel--warn) { border-top: 0; border-left: 4px solid var(--green-600); }
.panel--warn { border-top: 0; border-left: 4px solid var(--orange); }
.note-cards li, .note-cards li:nth-child(2) { background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow); }
.note-cards h3, .note-cards li:nth-child(2) h3 { font-weight: 600; font-size: 1.15rem; color: var(--ink); }
.itin__head h3 { font-weight: 600; font-size: 1.3rem; color: var(--ink); }
.timeline li::before { background: #cfe9fc; }
.timeline li::after { background: var(--green-600); }
.timeline time { color: var(--green-700); }
.bundle { box-shadow: var(--shadow); border-color: transparent; }
.bundle--featured { border: 2px solid var(--green-600); }
.bundle__badge { background: var(--orange-ink); border-radius: 6px; }
.bundle__price { font-weight: 600; font-size: 1.6rem; color: var(--orange-ink); }
.section--green { background: #0b3a66; }
.section--green .eyebrow, .cta-band .eyebrow { color: #7cc8ff; }
.cta-band { background: linear-gradient(100deg, #0175c8, #0194f3); color: #fff; }
.cta-band h2 { color: #fff; }
.cta-band p { color: #eaf6ff; }
.cta-band .btn-accent { color: var(--green-700); }
.site-footer { background: var(--green-950); }
.tbc { font-family: var(--sans); font-style: normal; font-size: .95rem; font-weight: 600; color: var(--orange-ink); }
.bundle__price .tbc { font-size: 1.2rem; }

/* ---------- Home hero: sky, mountains, booking card ---------- */
.hero--book { min-height: 0; display: block; padding: clamp(40px, 6vw, 72px) 0 clamp(28px, 4vw, 48px); color: #fff;
  background: linear-gradient(180deg, #0a6fc2 0%, #2ca4f0 55%, #8fd2fb 100%); }
.hero--book::after { display: none; }
.hero__scene { position: absolute; left: 0; right: 0; bottom: 0; width: 100%; height: 62%; pointer-events: none; }
.hero--book .wrap { position: relative; z-index: 1; }
.hero-top { text-align: center; max-width: 820px; margin: 0 auto 28px; }
.hero--book h1 { color: #fff; font-size: clamp(1.8rem, 1.2rem + 2.4vw, 2.9rem); text-shadow: 0 2px 12px rgba(0, 40, 80, .25); max-width: none; margin-bottom: .35em; }
.hero--book .lead { color: #fff; margin: 0 auto; max-width: 60ch; font-size: clamp(1rem, .95rem + .3vw, 1.15rem); text-shadow: 0 1px 6px rgba(0,40,80,.3); }
.hero--book .badge-google { margin-bottom: 14px; }

.book { position: relative; background: #fff; color: var(--ink); border-radius: 16px; box-shadow: 0 10px 40px rgba(3, 18, 26, .18); padding: 18px clamp(16px, 2.4vw, 28px) 0; margin-bottom: 0; }
.book__tabs { display: flex; gap: 8px; flex-wrap: wrap; border: 0; margin: 0 0 16px; padding: 0; }
.book__tabs legend { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.book__tab { position: relative; }
.book__tab input { position: absolute; opacity: 0; }
.book__tab span { display: inline-flex; align-items: center; gap: 8px; padding: 9px 16px; border-radius: 999px; font-weight: 600; font-size: .92rem; color: var(--ink); cursor: pointer; border: 1px solid transparent; }
.book__tab svg { width: 18px; height: 18px; color: var(--green-600); }
.book__tab span:hover { background: var(--green-100); }
.book__tab input:checked + span { background: var(--green-600); color: #fff; }
.book__tab input:checked + span svg { color: #fff; }
.book__tab input:focus-visible + span { outline: 3px solid #7cc8ff; outline-offset: 2px; }
.book__fields { display: grid; grid-template-columns: 1.2fr 1fr .8fr auto; align-items: end; }
.book__field { display: flex; flex-direction: column; gap: 6px; }
.book__field label { font-size: .82rem; font-weight: 600; color: var(--ink); padding-left: 2px; }
.book__field select, .book__field input { height: 52px; width: 100%; border: 2px solid var(--line); background: #fff; padding: 0 14px; font: 500 .98rem var(--sans); color: var(--ink); border-radius: 0; }
.book__field:first-child select { border-radius: 10px 0 0 10px; }
.book__field + .book__field select, .book__field + .book__field input { border-left-width: 0; }
.book__field select:focus, .book__field input:focus { outline: none; border-color: var(--green-600); border-left-width: 2px; }
.book__go { height: 52px; min-width: 64px; padding: 0 22px; border: 0; border-radius: 0 10px 10px 0; background: var(--orange-ink); color: #fff; font: 600 1rem var(--sans); cursor: pointer; display: inline-flex; align-items: center; gap: 8px; }
.book__go:hover { background: #a93d0a; }
.book__go svg { width: 20px; height: 20px; }
.book__trust { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px 28px; margin: 18px calc(-1 * clamp(16px, 2.4vw, 28px)) 0; padding: 14px 16px; border-top: 1px solid var(--line); font-size: .86rem; color: var(--muted); }
.book__trust span { display: inline-flex; align-items: center; gap: 6px; }
.book__trust strong { color: var(--ink); }
.book__trust svg { width: 18px; height: 18px; flex: none; color: var(--green-600); }
.book__trust .stars { color: #f5a623; letter-spacing: 1px; }
@media (max-width: 820px) {
  .book__fields { grid-template-columns: 1fr 1fr; gap: 10px; }
  .book__field select, .book__field input, .book__field:first-child select, .book__field + .book__field select, .book__field + .book__field input { border-radius: 10px; border-left-width: 2px; }
  .book__field:first-child { grid-column: 1 / -1; }
  .book__go { grid-column: 1 / -1; border-radius: 10px; justify-content: center; }
}
.hero-spacer { display: none; }

/* Deal-style quick facts under the hero */
.quick-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr)); gap: 16px; list-style: none; margin: 0; padding: 0; }
.quick-cards li { display: flex; gap: 14px; align-items: flex-start; background: #fff; border-radius: var(--radius-lg); box-shadow: var(--shadow); padding: 18px; }
.quick-cards .qc-ico { flex: none; width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; background: var(--green-100); color: var(--green-600); }
.quick-cards .qc-ico svg { width: 24px; height: 24px; }
.quick-cards h3 { font-size: 1rem; margin: 0 0 .2em; }
.quick-cards p { margin: 0; font-size: .9rem; color: var(--muted); }

/* ---------- Route map ---------- */
.map-card { background: var(--white); box-shadow: var(--shadow); padding: clamp(12px, 2vw, 22px); }
.route-map { display: block; width: 100%; height: auto; font-family: var(--sans); }
.rm-border { fill: none; stroke: #b7c2c9; stroke-width: 2; stroke-dasharray: 6 6; }
.rm-country { font-size: 13px; letter-spacing: .3em; fill: #8a979e; font-weight: 600; }
.rm-sea { fill: #dff1fd; }
.rm-sea-t { font-size: 12px; fill: #3c86b8; font-style: italic; }
.rm-road { fill: none; stroke: var(--green-600); stroke-width: 4; stroke-linecap: round; stroke-linejoin: round; }
.rm-road--laos { stroke: var(--orange); stroke-dasharray: 2 8; }
.rm-stop circle { fill: #fff; stroke: var(--green-600); stroke-width: 3; }
.rm-stop text { font-size: 14px; fill: var(--ink); font-weight: 500; }
.rm-stop--start circle { fill: var(--green-600); }
.rm-stop--end circle { fill: var(--orange); stroke: #fff; stroke-width: 3; }
.rm-stop--end text, .rm-stop--start text { font-weight: 700; font-size: 16px; }
.rm-dist { font-size: 13px; fill: var(--orange-ink); font-weight: 600; }

.itin-grid--single { grid-template-columns: minmax(0, 760px); justify-content: center; }
.split .who-list { margin-top: 22px; }
@media (max-width: 880px) { .split { grid-template-columns: 1fr; } }
@media (max-width: 600px) {
  .book__tabs { flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; margin-right: -16px; }
  .book__tab span { padding: 8px 12px; font-size: .85rem; white-space: nowrap; }
}

/* Real photo behind the hero (photos/hero.* -> assets/img/hero.webp) */
.hero__photo { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero--photo .hero__scene { display: none; }
.hero--photo::after { display: block; content: ""; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(180deg, rgba(3, 30, 55, .55) 0%, rgba(3, 30, 55, .25) 45%, rgba(3, 30, 55, .1) 100%); }

/* Floating chat buttons: Messenger + Zalo above WhatsApp and email */
.float-contact .fc-ms { background: linear-gradient(135deg, #0a7cff 0%, #a033ff 60%, #ff5c87 100%); }
.float-contact .fc-zalo { background: #0068ff; }
.float-contact .fc-zalo svg { width: 30px; height: 30px; }
@media (max-width: 600px) { .float-contact { gap: 10px; } }