:root {
  --navy: #041830;
  --ink: #0e243f;
  --blue: #0044ad;
  --blue-2: #1b63d6;
  --blue-soft: #e8f0fb;
  --gold: #c9a227;
  --peach: #e08a4a;
  --peach-h: #c97435;
  --ok: #1a7f4a;
  --warn: #c47a12;
  --muted: #5c6d82;
  --line: #dbe3ee;
  --bg: #f3f6fb;
  --card: #ffffff;
  --radius: 16px;
  --shadow: 0 10px 30px rgba(4, 24, 48, 0.08);
  --header: 76px;
  --max: 1360px;
  --font: "Be Vietnam Pro", system-ui, sans-serif;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
  min-height: 100vh;
}
img { max-width: 100%; display: block; }
a { color: var(--blue); text-decoration: none; }
button, input, textarea, select { font-family: inherit; }
.skip {
  position: absolute; left: -999px; top: 0;
  background: #fff; padding: 8px 12px; z-index: 100;
}
.skip:focus { left: 12px; top: 12px; }

.topbar {
  background: var(--navy);
  color: #d7e4f7;
  font-size: 13px;
  height: 36px;
  display: flex;
  align-items: center;
}
.topbar .wrap {
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
}
.topbar a { color: #fff; }
.topbar .left, .topbar .right { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; }
.topbar svg { width: 14px; height: 14px; vertical-align: -2px; margin-right: 4px; }
.soc { display: flex; gap: 8px; }
.soc a {
  width: 24px; height: 24px; border: 1px solid #3a5578; border-radius: 6px;
  display: grid; place-items: center; color: #fff; font-size: 11px; font-weight: 700;
}

.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav-wrap {
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
  height: var(--header);
  display: flex;
  align-items: center;
  gap: 18px;
}
.brand { display: flex; align-items: center; gap: 10px; color: inherit; flex: 0 0 auto; }
.brand img { height: 52px; width: auto; }
.brand span { display: none; }

nav.main { display: flex; align-items: center; gap: 2px; margin-left: auto; }
nav.main > a, .drop > button {
  appearance: none; background: none; border: 0; cursor: pointer;
  color: var(--ink); font-weight: 600; font-size: 14px; letter-spacing: .01em;
  padding: 10px 12px; border-radius: 8px; white-space: nowrap;
}
nav.main > a:hover, .drop > button:hover, nav.main > a.active { color: var(--blue); background: var(--blue-soft); }
.drop { position: relative; }
.drop-panel {
  display: none; position: absolute; top: calc(100% - 2px); left: 0;
  min-width: 280px; background: #fff; border: 1px solid var(--line);
  border-radius: 14px; box-shadow: var(--shadow); padding: 8px;
  z-index: 20;
}
.drop:hover .drop-panel, .drop:focus-within .drop-panel { display: block; }
.drop-panel a {
  display: block; padding: 10px 12px; border-radius: 10px; color: var(--ink); font-size: 13.5px; font-weight: 500;
}
.drop-panel a:hover { background: var(--blue-soft); color: var(--blue); }
.drop-panel small { display: block; color: var(--muted); font-weight: 400; font-size: 12px; margin-top: 2px; }

.nav-cta { display: flex; gap: 8px; align-items: center; margin-left: 8px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border: 0; border-radius: 999px; font-weight: 700; cursor: pointer;
  padding: 11px 18px; font-size: 14px; line-height: 1; text-align: center;
  transition: transform .15s ease, background .15s ease, box-shadow .15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-peach { background: var(--peach); color: #fff; }
.btn-peach:hover { background: var(--peach-h); }
.btn-navy { background: var(--navy); color: #fff; }
.btn-navy:hover { background: #0a2d55; }
.btn-blue { background: var(--blue); color: #fff; }
.btn-blue:hover { background: var(--blue-2); }
.btn-ghost { background: #fff; color: var(--ink); border: 1px solid var(--line); }
.btn-outline { background: transparent; color: #fff; border: 1px solid rgba(255,255,255,.45); }
.btn-lg { padding: 14px 22px; font-size: 15px; }

.burger {
  display: none; margin-left: auto; width: 44px; height: 44px;
  border: 1px solid var(--line); border-radius: 10px; background: #fff; cursor: pointer;
}
.burger span { display: block; height: 2px; background: var(--ink); margin: 5px 10px; }

.mobile-drawer {
  display: none; position: fixed; inset: 0; z-index: 80; background: rgba(4,24,48,.45);
}
.mobile-drawer.open { display: block; }
.mobile-panel {
  position: absolute; right: 0; top: 0; bottom: 0; width: min(360px, 92vw);
  background: #fff; padding: 20px; overflow: auto;
}
.mobile-panel a, .mobile-panel button.linkish {
  display: block; width: 100%; text-align: left; padding: 12px 8px;
  border: 0; background: none; border-bottom: 1px solid var(--line);
  color: var(--ink); font-weight: 600; font-size: 15px; cursor: pointer;
}

main { min-height: 50vh; }

.hero {
  position: relative; min-height: min(78vh, 720px);
  display: grid; align-items: end; color: #fff;
  background: #041830 center/cover no-repeat;
}
.hero::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(4,24,48,.88) 0%, rgba(4,24,48,.55) 46%, rgba(4,24,48,.18) 100%);
}
.hero-inner {
  position: relative; z-index: 1;
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto; padding: 72px 0 64px;
}
.kicker {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(201,162,39,.18); color: #f3dd8a; border: 1px solid rgba(201,162,39,.35);
  padding: 6px 12px; border-radius: 999px; font-size: 12px; font-weight: 700; letter-spacing: .06em;
  text-transform: uppercase;
}
.hero h1 {
  font-size: clamp(32px, 5vw, 56px); line-height: 1.12; margin: 16px 0 12px; max-width: 16ch; letter-spacing: -.02em;
}
.hero .lead { font-size: 18px; max-width: 46ch; color: #d7e4f7; margin: 0 0 28px; }
.hero-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.hero-stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px;
  margin-top: 42px; max-width: 920px;
}
.hero-stats div {
  background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.12);
  border-radius: 14px; padding: 14px 16px;
}
.hero-stats b { display: block; font-size: 22px; color: #fff; }
.hero-stats span { color: #c5d4e8; font-size: 12.5px; }

.wrap { width: min(var(--max), calc(100% - 32px)); margin: 0 auto; }
.wrap-wide { width: min(1360px, calc(100% - 32px)); }
.section { padding: 72px 0; }
.section h2 {
  font-size: clamp(26px, 3vw, 36px); margin: 0 0 8px; letter-spacing: -.02em; text-align: center;
}
.section .sub { text-align: center; color: var(--muted); margin: 0 auto 36px; max-width: 58ch; }
.underline { width: 72px; height: 3px; background: var(--gold); margin: 10px auto 0; border-radius: 99px; }

.why-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px;
}
.why-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px 20px; box-shadow: var(--shadow); min-height: 100%;
}
.why-card .ico {
  width: 46px; height: 46px; border-radius: 12px; background: var(--blue-soft);
  color: var(--blue); display: grid; place-items: center; font-size: 20px; margin-bottom: 12px;
}
.why-card h3 { margin: 0 0 8px; font-size: 17px; }
.why-card p { margin: 0; color: var(--muted); font-size: 14px; }

.svc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
@media (min-width: 1100px) {
  .svc-grid { grid-template-columns: repeat(6, 1fr); }
  .svc-grid .svc-card { grid-column: span 2; }
  .svc-grid .svc-card:nth-child(4) { grid-column: 2 / span 2; }
  .svc-grid .svc-card:nth-child(5) { grid-column: 4 / span 2; }
}
.svc-card {
  background: #fff; border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--line); box-shadow: var(--shadow); display: flex; flex-direction: column;
  color: inherit; transition: transform .18s ease, box-shadow .18s ease;
}
.svc-card:hover { transform: translateY(-3px); box-shadow: 0 16px 36px rgba(4,24,48,.12); }
.svc-card img { height: 180px; width: 100%; object-fit: cover; }
.svc-card .body { padding: 18px 18px 20px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.svc-card h3 { margin: 0; font-size: 18px; }
.svc-card p { margin: 0; color: var(--muted); font-size: 14px; flex: 1; }
.svc-card .more { color: var(--blue); font-weight: 700; font-size: 13.5px; }

.partners {
  background: #fff; border-block: 1px solid var(--line); padding: 40px 0;
}
.logo-row {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 18px 36px; align-items: center;
}
.logo-row img { height: 58px; width: auto; object-fit: contain; }

.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.news-card {
  background: #fff; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line);
  color: inherit; display: flex; flex-direction: column; box-shadow: var(--shadow);
  transition: transform .18s ease, box-shadow .18s ease;
}
.news-card:hover { transform: translateY(-3px); box-shadow: 0 16px 36px rgba(4,24,48,.12); color: inherit; }
.news-card .thumb {
  height: 168px; background: linear-gradient(135deg, #0b3a82, #1b63d6);
  color: #fff; display: flex; align-items: flex-end; padding: 12px; font-weight: 700;
  position: relative;
}
.news-card .date-chip {
  display: inline-block; background: rgba(4,24,48,.72); color: #fff;
  font-size: 12px; font-weight: 700; padding: 5px 10px; border-radius: 999px;
}
.news-card .body { padding: 16px 18px 20px; }
.news-card time { color: var(--muted); font-size: 12.5px; }
.news-card h3 { margin: 6px 0 8px; font-size: 17px; line-height: 1.35; }
.news-card p { margin: 0; color: var(--muted); font-size: 14px; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }

.track-band {
  background: var(--navy) url("../assets/map.jpg") center/cover;
  color: #fff; position: relative;
}
.track-band::before { content: ""; position: absolute; inset: 0; background: rgba(4,24,48,.82); }
.track-band .wrap { position: relative; z-index: 1; display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: center; padding: 56px 0; }
.track-band h2 { text-align: left; color: #fff; }
.track-form { display: flex; gap: 8px; }
.track-form input {
  flex: 1; border: 0; border-radius: 999px; padding: 14px 18px; font-size: 15px;
}
.hint { color: #c5d4e8; font-size: 13px; margin-top: 10px; }

.page-hero {
  background: linear-gradient(120deg, #041830, #0b3a82);
  color: #fff; padding: 48px 0 40px;
}
.page-hero h1 { margin: 8px 0 6px; font-size: clamp(28px, 4vw, 40px); }
.page-hero p { margin: 0; color: #d7e4f7; max-width: 60ch; }
.crumb { color: #9fb4d0; font-size: 13px; }
.crumb a { color: #fff; }

.prose { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px 32px; box-shadow: var(--shadow); }
.prose-wide { padding: 40px 56px 52px; }
.prose-wide p, .prose-wide li { font-size: 17px; line-height: 1.75; }
.prose-wide > p > img,
.prose-wide img.aligncenter,
.prose-wide img.alignnone,
.prose-wide img.size-full,
.prose-wide img.size-large { width: 100%; max-width: 100%; height: auto; }
.prose-wide td img,
.prose-wide th img {
  width: auto !important; max-width: 160px; max-height: 72px; height: auto;
  margin: 0 auto; display: inline-block;
}
.prose-wide h2:first-child { margin-top: 0; }
.about-bottom { display: grid; grid-template-columns: 1.2fr .8fr; gap: 18px; margin-top: 22px; }
.prose h2, .prose h1 { text-align: left; font-size: 22px; margin: 24px 0 10px; }
.prose h3, .prose h4 { font-size: 17px; margin: 18px 0 8px; }
.prose p, .prose li { color: #33465d; }
.prose ul, .prose ol { padding-left: 18px; }
.prose img { border-radius: 12px; margin: 12px 0; height: auto; }
.prose table { width: 100%; border-collapse: collapse; margin: 16px 0; }
.prose td, .prose th { border: 1px solid var(--line); padding: 8px 10px; vertical-align: middle; }
.prose .ft-toc-placeholder,
.prose .ft-toc-main,
.prose .ft-toc-tit,
.prose .ft-toc-close,
.prose .ft-toc-scrol { display: none !important; }
.news-card .thumb.has-img { color: #fff; }

.split { display: grid; grid-template-columns: 1.15fr .85fr; gap: 28px; align-items: start; }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow);
}
.form-grid { display: grid; gap: 12px; }
.form-grid label { font-size: 13px; font-weight: 600; display: grid; gap: 6px; }
.form-grid input, .form-grid textarea, .form-grid select {
  border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; font-size: 15px; background: #fbfcfe;
}
.form-grid textarea { min-height: 96px; resize: vertical; }
.form-msg { font-size: 14px; margin-top: 8px; }
.form-msg.ok { color: var(--ok); }
.form-msg.err { color: #b42318; }

.timeline { list-style: none; margin: 16px 0 0; padding: 0; text-align: left; }
.timeline li {
  display: grid; grid-template-columns: 18px 1fr; gap: 14px; position: relative; padding-bottom: 18px;
}
.timeline li::before {
  content: ""; position: absolute; left: 8px; top: 16px; bottom: 0; width: 2px; background: var(--line);
}
.timeline li:last-child::before { display: none; }
.dot {
  width: 18px; height: 18px; border-radius: 50%; background: #fff; border: 3px solid var(--line); margin-top: 2px;
}
.timeline li.done .dot { border-color: var(--ok); background: var(--ok); }
.timeline li.current .dot { border-color: var(--blue); background: var(--blue); box-shadow: 0 0 0 4px #d6e4fb; }
.t-title { font-weight: 700; }
.t-meta { color: var(--muted); font-size: 13px; }

.price-table { width: 100%; border-collapse: collapse; background: #fff; border-radius: 14px; overflow: hidden; }
.price-table th, .price-table td { padding: 14px 16px; text-align: left; border-bottom: 1px solid var(--line); font-size: 14.5px; }
.price-table th { background: var(--navy); color: #fff; font-weight: 600; }
.price-table tr:last-child td { border-bottom: 0; }
.tag { display: inline-block; background: #eaf8ef; color: var(--ok); font-size: 12px; font-weight: 700; padding: 3px 8px; border-radius: 999px; }

.gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.gallery a { display: block; border-radius: 14px; overflow: hidden; height: 200px; }
.gallery img { width: 100%; height: 100%; object-fit: cover; }

.contact-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 24px; }
.addr b { display: block; margin-bottom: 6px; }

.site-footer { background: var(--navy); color: #c5d4e8; padding: 48px 0 20px; margin-top: 24px; }
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 24px; }
.site-footer h3 { color: #fff; font-size: 15px; margin: 0 0 12px; }
.site-footer a { color: #c5d4e8; display: block; padding: 4px 0; font-size: 14px; }
.site-footer a:hover { color: #fff; }
.foot-brand img { height: 48px; background: #fff; border-radius: 10px; padding: 4px 8px; margin-bottom: 10px; }
.copy { border-top: 1px solid #1d3658; margin-top: 28px; padding-top: 14px; font-size: 13px; display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }

.floaters {
  position: fixed; right: 16px; bottom: 84px; z-index: 40; display: grid; gap: 8px;
}
.floaters a {
  width: 48px; height: 48px; border-radius: 50%; display: grid; place-items: center;
  color: #fff; font-weight: 800; font-size: 12px; box-shadow: var(--shadow);
}
.f-call { background: #2ea44f; }
.f-zalo { background: #0068ff; }

.mobile-cta {
  display: none; position: fixed; left: 0; right: 0; bottom: 0; z-index: 45;
  background: #fff; border-top: 1px solid var(--line);
  padding: 8px 12px calc(8px + env(safe-area-inset-bottom));
  grid-template-columns: 1fr 1fr 1fr; gap: 8px;
}
.mobile-cta a { padding: 12px 8px; border-radius: 12px; font-weight: 700; font-size: 13px; text-align: center; }
.m-call { background: var(--navy); color: #fff; }
.m-zalo { background: #0068ff; color: #fff; }
.m-track { background: var(--peach); color: #fff; }

.empty { text-align: center; padding: 48px 16px; color: var(--muted); }
.status-pill {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--blue-soft); color: var(--blue); font-weight: 700;
  padding: 6px 12px; border-radius: 999px; font-size: 13px;
}
.status-pill.ok { background: #eaf8ef; color: var(--ok); }
.status-pill.warn { background: #fff6e5; color: var(--warn); }

@media (max-width: 980px) {
  .why-grid, .svc-grid, .news-grid { grid-template-columns: 1fr 1fr; }
  .hero-stats, .foot-grid, .split, .track-band .wrap, .contact-cards, .about-bottom { grid-template-columns: 1fr; }
  .prose-wide { padding: 24px 20px; }
  .gallery { grid-template-columns: 1fr 1fr; }
  nav.main, .nav-cta, .topbar .left span.hide-sm { display: none; }
  .burger { display: inline-block; }
  .hero { min-height: 560px; }
  .hero-inner { padding: 48px 0 40px; }
  .mobile-cta { display: grid; }
  body { padding-bottom: 72px; }
  .floaters { display: none; }
  .svc-grid { grid-template-columns: 1fr 1fr; }
  .svc-grid .svc-card { grid-column: auto; }
  nav.main > a, .drop > button { font-size: 13px; padding: 10px 8px; }
}
@media (max-width: 640px) {
  .why-grid, .svc-grid, .news-grid, .gallery { grid-template-columns: 1fr; }
  .topbar { display: none; }
  .brand img { height: 44px; }
  .prose { padding: 18px; }
}