:root {
  --ground: #f3f6fb;
  --surface: #ffffff;
  --surface-2: #e9eff8;
  --ink: #0c1a2c;
  --ink-2: #34445a;
  --muted: #627189;
  --line: #d6dfeb;
  --brand: #1d4ed8;
  --brand-ink: #ffffff;
  --brand-soft: #e1eaff;
  --mint: #0b8374;
  --mint-soft: #d9f2ed;
  --band: #0d1a2d;
  --band-ink: #e8eef8;
  --band-muted: #9fb0c7;
  --amber: #f2a93b;
  --warn: #c2410c;
  --shadow: 0 1px 2px rgba(12, 26, 44, .06), 0 12px 32px -12px rgba(12, 26, 44, .18);
  --display: "Manrope", "Be Vietnam Pro", system-ui, sans-serif;
  --body: "Be Vietnam Pro", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: "Be Vietnam Pro", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --wrap: 1180px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --ground: #0a111c;
    --surface: #111b2a;
    --surface-2: #17243a;
    --ink: #e6edf7;
    --ink-2: #bcc8d8;
    --muted: #8c9bb0;
    --line: #243349;
    --brand: #7da2ff;
    --brand-ink: #0a111c;
    --brand-soft: #172a52;
    --mint: #4fd1bf;
    --mint-soft: #0f2f2b;
    --warn: #fb923c;
    --band: #060c16;
    --shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 12px 32px -12px rgba(0, 0, 0, .6);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --ground: #0a111c;
  --surface: #111b2a;
  --surface-2: #17243a;
  --ink: #e6edf7;
  --ink-2: #bcc8d8;
  --muted: #8c9bb0;
  --line: #243349;
  --brand: #7da2ff;
  --brand-ink: #0a111c;
  --brand-soft: #172a52;
  --mint: #4fd1bf;
  --mint-soft: #0f2f2b;
  --warn: #fb923c;
  --band: #060c16;
  --shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 12px 32px -12px rgba(0, 0, 0, .6);
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; }
body {
  margin: 0;
  font-variant-numeric: tabular-nums;
  background: var(--ground);
  color: var(--ink);
  font: 400 16px/1.65 var(--body);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--brand); }
h1, h2, h3 { font-family: var(--display); line-height: 1.18; text-wrap: balance; margin: 0; letter-spacing: -.015em; }
p { margin: 0; }
.wrap { max-width: var(--wrap); margin-inline: auto; padding-inline: 20px; }
.eyebrow {
  font: 600 13px/1.2 var(--body);
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--brand);
}
.lead { color: var(--ink-2); font-size: 18px; max-width: 62ch; }
.mono { font-family: var(--mono); }
:focus-visible { outline: 3px solid var(--brand); outline-offset: 2px; border-radius: 6px; }

/* ── Thanh trên ───────────────────────────────── */
.top {
  position: sticky; top: env(safe-area-inset-top, 0px); z-index: 20;
  background: color-mix(in srgb, var(--ground) 88%, transparent);
  backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid var(--line);
}
.top .wrap { display: flex; align-items: center; gap: 20px; min-height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); }
.brand img { width: 34px; height: 34px; }
.brand b { font: 800 20px/1 var(--display); letter-spacing: -.02em; }
.nav { display: flex; gap: 22px; margin-left: 12px; }
.nav a { color: var(--ink-2); text-decoration: none; font-weight: 500; font-size: 15px; }
.nav a:hover { color: var(--brand); }
.top-cta { margin-left: auto; display: flex; align-items: center; gap: 14px; }
.top-phone { font: 700 15px/1 var(--mono); color: var(--ink); text-decoration: none; white-space: nowrap; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 44px; padding: 0 20px; border-radius: 10px;
  font: 600 15px/1 var(--body); text-decoration: none; cursor: pointer;
  border: 1px solid transparent; white-space: nowrap;
}
.btn-primary { background: var(--brand); color: var(--brand-ink); }
.btn-primary:hover { filter: brightness(1.08); }
.btn-ghost { border-color: var(--line); color: var(--ink); background: var(--surface); }
.btn-ghost:hover { border-color: var(--brand); color: var(--brand); }
.menu-btn { display: none; background: none; border: 1px solid var(--line); border-radius: 10px; width: 44px; height: 44px; color: var(--ink); }

/* ── Hero ─────────────────────────────────────── */
.hero { padding-block: 56px 40px; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 48px; align-items: center; }
.hero h1 { font-size: clamp(32px, 4vw, 50px); font-weight: 800; margin-top: 14px; }
.hero h1 em { font-style: normal; color: var(--brand); }
.hero .lead { margin-top: 18px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.facts { display: flex; flex-wrap: wrap; gap: 8px 18px; margin-top: 28px; padding: 0; list-style: none; color: var(--ink-2); font-size: 14.5px; }
.facts li { display: flex; align-items: center; gap: 8px; }
.facts svg { color: var(--mint); flex: none; }


/* ── Khung ảnh chụp màn hình ─────────────────── */
.shot {
  margin: 0; background: var(--surface); border: 1px solid var(--line); border-radius: 14px;
  box-shadow: var(--shadow); overflow: hidden;
}
.shot-bar { display: flex; align-items: center; gap: 6px; padding: 9px 12px; border-bottom: 1px solid var(--line); background: var(--surface-2); }
.shot-bar i { width: 9px; height: 9px; border-radius: 50%; background: var(--line); }
.shot-bar span { margin-left: 10px; font: 500 12px/1 var(--mono); color: var(--muted); }
.shot img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; object-position: top left; background: var(--surface-2); }
.shot figcaption { padding: 10px 14px; font-size: 13.5px; color: var(--muted); border-top: 1px solid var(--line); }

/* ── Hạn pháp lý ──────────────────────────────── */
.deadline { background: var(--band); color: var(--band-ink); }
.deadline .wrap { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); gap: 40px; padding-block: 44px; align-items: center; }
.count { display: flex; align-items: baseline; gap: 12px; }
.count b { font: 800 clamp(56px, 7vw, 84px)/1 var(--display); color: var(--amber); font-variant-numeric: tabular-nums; }
.count span { color: var(--band-muted); font-size: 15px; }
.deadline h2 { font-size: 22px; margin-top: 8px; color: var(--band-ink); }
.laws { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; margin: 0; padding: 0; list-style: none; }
.laws li { border-top: 1px solid #2a3a55; padding-top: 14px; }
.laws .code { font: 700 13px/1.3 var(--mono); color: var(--amber); }
.laws p { color: var(--band-muted); font-size: 14.5px; margin-top: 6px; }
.laws strong { color: var(--band-ink); font-weight: 600; }

/* ── Khối section chung ──────────────────────── */
.sec { padding-block: 84px; }
.sec-head { max-width: 760px; margin-bottom: 40px; }
.sec-head h2 { font-size: clamp(28px, 3.4vw, 40px); font-weight: 800; margin-top: 10px; }
.sec-head .lead { margin-top: 14px; }
.alt { background: var(--surface); border-block: 1px solid var(--line); }

/* ── Vấn đề → giải pháp ───────────────────────── */
.pains { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.pain { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 18px 20px; display: grid; gap: 12px; align-content: start; }
.pain p { position: relative; padding-left: 28px; font-size: 15px; }
.pain svg { position: absolute; left: 0; top: 3px; }
.pain .was { color: var(--muted); }
.pain .was svg { color: var(--warn); }
.pain .now { color: var(--ink); font-weight: 500; padding-top: 12px; border-top: 1px dashed var(--line); }
.pain .now svg { color: var(--mint); top: 15px; }

/* ── Quy trình một ca khám ───────────────────── */
.flow { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); gap: 36px; align-items: start; }
.steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 4px; counter-reset: step; }
.step-btn {
  width: 100%; text-align: left; background: none; border: 1px solid transparent; border-radius: 12px;
  padding: 14px 16px; cursor: pointer; color: var(--ink); font: inherit;
  display: grid; grid-template-columns: 34px minmax(0, 1fr); gap: 4px 12px;
}
.step-btn .n {
  grid-row: span 2; width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center;
  font: 700 14px/1 var(--mono); border: 1px solid var(--line); color: var(--muted); background: var(--surface);
}
.step-btn b { font: 700 17px/1.3 var(--display); }
.step-btn small { color: var(--muted); font-size: 14px; line-height: 1.5; display: none; }
.step-btn[aria-selected="true"] { background: var(--surface); border-color: var(--line); box-shadow: var(--shadow); }
.step-btn[aria-selected="true"] .n { background: var(--brand); color: var(--brand-ink); border-color: var(--brand); }
.step-btn[aria-selected="true"] small { display: block; }
.step-btn:hover b { color: var(--brand); }
.panel.is-off { display: none; }
.panel h3 { font-size: 22px; margin: 18px 0 8px; }
.panel ul { margin: 10px 0 0; padding-left: 20px; color: var(--ink-2); }
.panel li + li { margin-top: 4px; }

/* ── QR check-in (khối trong trang Tính năng) ── */
.qr-block { margin-top: 72px; padding: 32px; border: 1px solid var(--line); border-radius: 18px; background: var(--surface); }
.qr-block + .feature { margin-top: 72px; }
.qr-block h3 { font-size: clamp(24px, 2.6vw, 30px); font-weight: 800; margin-top: 8px; }
.qr-block .lead { margin-top: 12px; font-size: 17px; }
.qr-steps { list-style: none; counter-reset: qr; margin: 28px 0 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.qr-steps li { counter-increment: qr; position: relative; padding-left: 52px; display: grid; gap: 2px; align-content: start; }
.qr-steps li::before {
  content: counter(qr); position: absolute; left: 0; top: 0; width: 36px; height: 36px; border-radius: 50%;
  display: grid; place-items: center; font: 700 15px/1 var(--mono); background: var(--brand); color: var(--brand-ink);
}
.qr-steps b { font: 700 17px/1.35 var(--display); }
.qr-steps span { color: var(--ink-2); font-size: 15px; }
.qr-ticks { margin-top: 24px; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px 24px; }
.qr-block .qa { margin-top: 28px; }
.qa h4 { font: 700 16px/1.35 var(--display); margin: 0; }

/* ── Tính năng theo nhóm ─────────────────────── */
.feature { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 48px; align-items: center; }
.feature + .feature { margin-top: 72px; }
.feature.flip > :first-child { order: 2; }
.feature h3 { font-size: clamp(24px, 2.6vw, 30px); font-weight: 800; margin-top: 8px; }
.feature p.lead { margin-top: 12px; font-size: 17px; }
.ticks { list-style: none; padding: 0; margin: 18px 0 0; display: grid; gap: 9px; }
.ticks li { position: relative; padding-left: 30px; color: var(--ink-2); }
.ticks li > svg { position: absolute; left: 0; top: 4px; color: var(--mint); }
.tag-plan { display: inline-block; margin-left: 6px; font: 600 11.5px/1 var(--body); padding: 4px 7px; border-radius: 6px; background: var(--brand-soft); color: var(--brand); vertical-align: 2px; white-space: nowrap; }
.mini-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; margin-top: 80px; }
.mini h3 { font-size: 19px; margin: 16px 0 6px; }
.mini p { color: var(--ink-2); font-size: 15px; }
.mini .shot img { aspect-ratio: 16 / 11; }

/* ── Bảng giá ─────────────────────────────────── */
.plans { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; align-items: stretch; }
.plan {
  background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 28px 26px;
  display: flex; flex-direction: column;
}
.plan.pick { border: 2px solid var(--brand); box-shadow: var(--shadow); position: relative; }
.plan .badge { position: absolute; top: -13px; left: 24px; background: var(--brand); color: var(--brand-ink); font: 600 12.5px/1 var(--body); padding: 7px 10px; border-radius: 8px; }
.plan h3 { font-size: 22px; font-weight: 800; }
.plan .for { color: var(--muted); font-size: 14.5px; margin-top: 6px; min-height: 46px; }
.price { margin-top: 18px; display: flex; align-items: baseline; gap: 6px; flex-wrap: wrap; }
.price b { font: 800 34px/1 var(--display); letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.price span { color: var(--muted); font-size: 14px; }
.plan .quota { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; margin: 20px 0 6px; padding: 12px 0; border-block: 1px solid var(--line); }
.quota div { font-size: 12.5px; color: var(--muted); line-height: 1.35; }
.quota strong { display: block; font: 700 15px/1.3 var(--display); color: var(--ink); }
.plan .ticks { margin-top: 14px; font-size: 14.5px; gap: 7px; flex: 1; align-content: start; }
.plan .ticks li.head { padding-left: 0; font: 700 12.5px/1.3 var(--body); text-transform: uppercase; letter-spacing: .06em; color: var(--muted); margin-top: 8px; }
.plan .btn { margin-top: 22px; width: 100%; }

.compare-wrap { margin-top: 56px; overflow-x: auto; border: 1px solid var(--line); border-radius: 14px; background: var(--surface); }
.compare { width: 100%; min-width: 680px; border-collapse: collapse; font-size: 14.5px; }
.compare th, .compare td { padding: 11px 16px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.compare thead th { position: sticky; top: 0; background: var(--surface); font: 700 15px/1.3 var(--display); }
.compare thead th:not(:first-child), .compare td:not(:first-child) { text-align: center; width: 17%; }
.compare tbody th { font-weight: 500; color: var(--ink-2); }
.compare tr.grp th { background: var(--surface-2); color: var(--ink); font: 700 13px/1.3 var(--body); text-transform: uppercase; letter-spacing: .06em; }
.compare td svg { color: var(--mint); display: inline-block; }
.compare td.v { font: 600 14px/1.3 var(--body); color: var(--ink); }
.compare tbody tr:last-child th, .compare tbody tr:last-child td { border-bottom: 0; }
.col-pick { background: color-mix(in srgb, var(--brand-soft) 45%, transparent); }
.note { color: var(--muted); font-size: 14px; margin-top: 14px; }

/* ── Tích hợp ─────────────────────────────────── */
.integr { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.integr-card { border: 1px solid var(--line); border-radius: 14px; padding: 22px; background: var(--surface); }
.integr-card h3 { font-size: 18px; }
.integr-card p { color: var(--ink-2); font-size: 14.5px; margin-top: 8px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; padding: 0; list-style: none; }
.chips li { font: 600 13px/1 var(--body); padding: 8px 10px; border-radius: 8px; background: var(--surface-2); color: var(--ink); }
.free-strip {
  margin-top: 28px; display: flex; flex-wrap: wrap; gap: 10px 28px; align-items: center;
  padding: 18px 22px; border-radius: 14px; background: var(--mint-soft); color: var(--ink);
}
.free-strip b { font: 800 18px/1.3 var(--display); color: var(--mint); }
.free-strip span { display: flex; align-items: center; gap: 8px; font-size: 15px; }
.free-strip svg { color: var(--mint); }

/* ── An toàn dữ liệu ──────────────────────────── */
.safe { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 28px; }
.safe div { border-top: 2px solid var(--ink); padding-top: 14px; }
.safe h3 { font-size: 17px; }
.safe p { color: var(--ink-2); font-size: 14.5px; margin-top: 6px; }

/* ── Hỏi đáp ──────────────────────────────────── */
.faq { max-width: 860px; }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  cursor: pointer; list-style: none; padding: 18px 40px 18px 0; position: relative;
  font: 700 17px/1.4 var(--display);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 6px; top: 14px; font: 500 24px/1 var(--mono); color: var(--brand); }
.faq details[open] summary::after { content: "–"; }
.faq details p { padding: 0 0 20px; color: var(--ink-2); max-width: 70ch; }

/* ── Liên hệ ──────────────────────────────────── */
.contact { background: var(--band); color: var(--band-ink); }
.contact .wrap { display: grid; grid-template-columns: minmax(0, 6fr) minmax(0, 5fr); gap: 48px; padding-block: 72px; align-items: center; }
.contact h2 { font-size: clamp(28px, 3.4vw, 40px); font-weight: 800; color: var(--band-ink); }
.contact p { color: var(--band-muted); margin-top: 14px; max-width: 52ch; }
.demo-form { display: grid; gap: 14px; padding: 24px; border-radius: 16px; background: var(--surface); color: var(--ink); position: relative; }
.fld { display: grid; gap: 6px; }
.fld label { font-weight: 600; font-size: 14px; }
.fld input {
  min-height: 46px; padding: 0 14px; border: 1px solid var(--line); border-radius: 10px;
  background: var(--ground); color: var(--ink); font: 500 16px/1.2 var(--body); width: 100%;
}
.fld input:focus { outline: 3px solid color-mix(in srgb, var(--brand) 30%, transparent); border-color: var(--brand); }
.fld input[aria-invalid="true"] { border-color: var(--warn); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.demo-form .btn { width: 100%; margin-top: 4px; }
.demo-form .btn:disabled { opacity: .7; cursor: progress; }
.form-msg { font-size: 14.5px; min-height: 1.5em; }
.form-msg.ok { color: var(--mint); font-weight: 600; }
.form-msg.err { color: var(--warn); }

footer { padding-block: 28px; color: var(--muted); font-size: 14px; }
footer .wrap { display: flex; flex-wrap: wrap; gap: 8px 24px; justify-content: space-between; }
footer a { color: var(--muted); }

/* ── Màn hình hẹp ─────────────────────────────── */
@media (max-width: 1020px) {
  .nav { display: none; }
  .nav.open {
    display: grid; position: absolute; left: 0; right: 0; top: 64px; gap: 0; margin: 0;
    background: var(--surface); border-bottom: 1px solid var(--line); padding: 8px 20px;
  }
  .nav.open a { padding: 12px 0; border-bottom: 1px solid var(--line); }
  .nav.open a:last-child { border-bottom: 0; }
  .menu-btn { display: inline-grid; place-items: center; }
  .top-phone { display: none; }
  .hero-grid, .feature, .flow, .deadline .wrap, .contact .wrap { grid-template-columns: minmax(0, 1fr); }
  .qr-steps, .qr-ticks { grid-template-columns: minmax(0, 1fr); }
  .qr-block { padding: 22px; }
  .feature.flip > :first-child { order: 0; }
  .plans, .integr { grid-template-columns: minmax(0, 1fr); }
  .pains { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .mini-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .safe { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .laws { grid-template-columns: minmax(0, 1fr); }
  .plan .for { min-height: 0; }
  .steps { display: none; }
  .panel.is-off { display: block; }
  .panel + .panel { margin-top: 48px; }
  .panel h3 { margin-top: 16px; }
}
@media (max-width: 640px) {
  .wrap { padding-inline: 16px; }
  .sec { padding-block: 60px; }
  .hero { padding-block: 36px 28px; }
  .top-cta .btn { padding: 0 14px; }
  .mini-grid, .safe, .pains { grid-template-columns: minmax(0, 1fr); }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

/* ── Nhiều trang: breadcrumb, menu đang mở, thẻ khám phá, liên kết xem thêm ── */
.nav a[aria-current="page"] { color: var(--brand); font-weight: 600; }
.crumbs { display: flex; flex-wrap: wrap; gap: 6px; padding-block: 20px 0; font-size: 14px; color: var(--muted); }
.crumbs a { color: var(--muted); text-decoration: none; }
.crumbs a:hover { color: var(--brand); }
.crumbs + .sec { padding-top: 28px; }
.page-h1 { font-size: clamp(30px, 3.8vw, 44px); font-weight: 800; margin-top: 10px; }
.panel .step-h { font-size: 22px; margin: 0 0 8px; }
.panel .shot { margin-top: 20px; }
.tour { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.tour-card {
  display: flex; flex-direction: column; gap: 10px; padding: 18px; border: 1px solid var(--line); border-radius: 16px;
  background: var(--surface); color: var(--ink); text-decoration: none; transition: border-color .15s, transform .15s;
}
.tour-card:hover { border-color: var(--brand); transform: translateY(-2px); }
.tour-card h3 { font-size: 19px; }
.tour-card p { color: var(--ink-2); font-size: 15px; }
.tour-card .more { margin-top: auto; font-weight: 600; color: var(--brand); font-size: 15px; }
.tour-card .shot { box-shadow: none; }
.tour-card .shot img { aspect-ratio: 16 / 10; }
.tour-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.tour-list li { display: flex; justify-content: space-between; gap: 12px; padding: 10px 12px; border-radius: 10px; background: var(--surface-2); font-size: 15px; }
.tour-list b { font-family: var(--display); }
.more-links { padding-block: 0 72px; }
.more-links h2 { font-size: 20px; margin-bottom: 14px; }
.more-links nav { display: flex; flex-wrap: wrap; gap: 10px; }
.more-links nav a { padding: 10px 16px; border: 1px solid var(--line); border-radius: 999px; background: var(--surface); color: var(--ink); text-decoration: none; font-weight: 500; }
.more-links nav a:hover { border-color: var(--brand); color: var(--brand); }
.qa { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; margin-top: 48px; }
.qa div { border-top: 2px solid var(--ink); padding-top: 14px; }
.qa h3 { font-size: 17px; }
.qa p { color: var(--ink-2); font-size: 15px; margin-top: 6px; }
@media (max-width: 1020px) {
  .tour { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .qa { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 640px) {
  .tour { grid-template-columns: minmax(0, 1fr); }
}

/* ── Ảnh lồng ảnh: màn chính + mảnh phóng to đè lên, lệch ra ngoài mép ── */
.stack { position: relative; margin: 0; padding: 0 3% 7% 0; isolation: isolate; }
.stack::before {
  content: ""; position: absolute; inset: 10% 0 0 8%; z-index: -1; border-radius: 28px;
  background: linear-gradient(140deg, var(--brand-soft), color-mix(in srgb, var(--mint-soft) 70%, transparent));
}
.stack-base {
  display: block; width: 100%; height: auto; border-radius: 14px; border: 1px solid var(--line);
  background: #fff; box-shadow: var(--shadow);
}
.stack-in {
  position: absolute; left: var(--x); top: var(--y); width: var(--w); height: auto; z-index: 1;
  border-radius: 12px; border: 1px solid rgba(12, 26, 44, .08); background: #fff;
  box-shadow: 0 28px 56px -18px rgba(12, 26, 44, .42), 0 3px 10px rgba(12, 26, 44, .10);
  transition: transform .25s ease;
}
.stack:hover .stack-in { transform: translateY(-4px); }
.panel .stack { margin-top: 20px; }
@media (prefers-reduced-motion: reduce) { .stack-in { transition: none; } .stack:hover .stack-in { transform: none; } }
@media (max-width: 640px) {
  .stack { padding: 0 2% 9% 0; }
  .stack-in { border-radius: 8px; }
}

/* ════════════════════════════════════════════════════════════════
   v2 (28/09/2026): ~40 trang, menu xổ xuống theo nhóm, hiệu ứng cuộn + chuyển trang.
   Font giữ nguyên (Be Vietnam Pro + Manrope). Màu lấy từ token ở đầu file.
   ════════════════════════════════════════════════════════════════ */

/* Chuyển trang: mờ dần + trượt nhẹ giữa hai trang cùng tên miền (trình duyệt hỗ trợ). */
@view-transition { navigation: auto; }
::view-transition-old(root) { animation: vt-out .2s ease both; }
::view-transition-new(root) { animation: vt-in .42s cubic-bezier(.16, 1, .3, 1) both; }
@keyframes vt-out { to { opacity: 0; transform: translateY(-8px); } }
@keyframes vt-in { from { opacity: 0; transform: translateY(16px); } }
.top { view-transition-name: site-top; }
.promo-bar { view-transition-name: site-promo; }

.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 8px; z-index: 60; background: var(--surface); color: var(--ink); padding: 8px 12px; border-radius: 8px; }

/* ── Thanh 6 tháng miễn phí ── */
.promo-bar { background: var(--band); color: var(--band-ink); font-size: 14px; }
.promo-bar .wrap { display: flex; flex-wrap: wrap; gap: 4px 18px; align-items: center; justify-content: center; padding-block: 8px; text-align: center; }
.promo-bar b { color: var(--amber); }
.promo-bar a { color: #fff; font-weight: 600; text-decoration: none; white-space: nowrap; }
.promo-bar a:hover { text-decoration: underline; }
.promo-short { display: none; font-weight: 600; color: var(--amber); }

/* ── Menu chính ── */
.top .wrap { position: relative; }
.nav { gap: 2px; align-items: center; margin-left: 8px; }
.nav-item { position: relative; }
.nav-item.is-mega { position: static; }
.nav .nav-top {
  display: inline-flex; align-items: center; gap: 6px; padding: 10px 12px; border-radius: 10px;
  background: none; border: 0; font: 500 15px/1 var(--body); color: var(--ink-2); text-decoration: none; cursor: pointer; white-space: nowrap;
}
.nav .nav-top:hover, .nav .nav-top[aria-expanded="true"] { color: var(--brand); background: var(--brand-soft); }
.nav .nav-top[aria-current="page"], .nav .nav-top.is-cur { color: var(--brand); font-weight: 600; }
.chev { transition: transform .2s; }
.nav-top[aria-expanded="true"] .chev { transform: rotate(180deg); }
.nav-drop {
  position: absolute; top: calc(100% + 6px); left: 0; z-index: 30; min-width: 330px; padding: 8px;
  display: grid; gap: 2px; background: var(--surface); border: 1px solid var(--line); border-radius: 16px;
  box-shadow: 0 28px 64px -24px rgba(12, 26, 44, .38);
  opacity: 0; visibility: hidden; transform: translateY(8px); transition: opacity .18s, transform .22s cubic-bezier(.16, 1, .3, 1), visibility .18s;
}
.nav-item.open .nav-drop { opacity: 1; visibility: visible; transform: none; }
.nav-drop.mega { left: 20px; right: 20px; top: 100%; padding: 22px; display: block; }
.mega-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px 22px; }
.mega-h { font: 700 12.5px/1.3 var(--body); text-transform: uppercase; letter-spacing: .06em; color: var(--ink); margin: 0 10px 6px; }
.mega-h small { display: block; text-transform: none; letter-spacing: 0; font-weight: 500; color: var(--muted); margin-top: 2px; }
.nav .dd-link { display: flex; gap: 12px; align-items: flex-start; padding: 9px 10px; border-radius: 10px; text-decoration: none; color: var(--ink); font-size: inherit; font-weight: 400; }
.nav .dd-link:hover, .nav .dd-link[aria-current="page"] { background: var(--surface-2); color: var(--ink); }
.dd-link .ic { flex: none; color: var(--brand); margin-top: 1px; }
.dd-link b { display: block; font: 600 14.5px/1.35 var(--body); }
.dd-link small { display: block; color: var(--muted); font-size: 12.5px; line-height: 1.4; margin-top: 2px; }
.nav .mega-all { display: inline-flex; align-items: center; gap: 8px; margin-top: 16px; padding: 10px 14px; border-radius: 10px; background: var(--brand-soft); color: var(--brand); font-weight: 600; text-decoration: none; }
.top-login { color: var(--ink-2); font-weight: 600; text-decoration: none; font-size: 15px; white-space: nowrap; }
.top-login:hover { color: var(--brand); }
svg.ic { fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; flex: none; }

/* ── Hero trang ── */
.page-hero { position: relative; isolation: isolate; padding-block: 44px 64px; overflow: clip; }
.page-hero::before {
  content: ""; position: absolute; inset: -20% -10% 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(55% 60% at 78% 30%, color-mix(in srgb, var(--brand-soft) 95%, transparent), transparent 70%),
    radial-gradient(40% 50% at 8% 12%, color-mix(in srgb, var(--mint-soft) 85%, transparent), transparent 70%);
}
.page-hero .hero-grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: 48px; align-items: center; }
.page-hero.is-home .hero-grid { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); }
.page-hero.solo .hero-text { max-width: 820px; }
.page-hero.is-home h1 { font-size: clamp(32px, 3.5vw, 48px); font-weight: 800; margin-top: 14px; }
.page-hero h1 em { font-style: normal; color: var(--brand); }
.page-hero .lead { margin-top: 18px; }
.hero-text > * { animation: rise .7s cubic-bezier(.16, 1, .3, 1) both; }
.hero-text > :nth-child(2) { animation-delay: .06s; }
.hero-text > :nth-child(3) { animation-delay: .12s; }
.hero-text > :nth-child(4) { animation-delay: .18s; }
.hero-text > :nth-child(5) { animation-delay: .24s; }
.hero-vis { position: relative; animation: rise .9s .12s cubic-bezier(.16, 1, .3, 1) both; }
@keyframes rise { from { opacity: 0; transform: translateY(20px); } }

/* Thẻ nổi quanh hình hero */
.floaty {
  position: absolute; left: var(--fx); top: var(--fy); z-index: 3; max-width: 260px;
  display: flex; gap: 10px; align-items: center; padding: 10px 14px 10px 10px;
  background: var(--surface); border: 1px solid var(--line); border-radius: 14px;
  box-shadow: 0 20px 44px -18px rgba(12, 26, 44, .4);
  animation: float-in .7s var(--fd) cubic-bezier(.16, 1, .3, 1) both, bob 6s calc(var(--fd) + .9s) ease-in-out infinite;
}
.floaty b { display: block; font: 700 14px/1.3 var(--display); }
.floaty small { display: block; font-size: 12.5px; color: var(--muted); line-height: 1.35; }
.floaty-ic { width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center; flex: none; }
@keyframes float-in { from { opacity: 0; transform: translateY(18px) scale(.95); } }
@keyframes bob { 50% { transform: translateY(-7px); } }
.tone-brand { background: var(--brand-soft); color: var(--brand); }
.tone-ok { background: var(--mint-soft); color: var(--mint); }
.tone-warn { background: color-mix(in srgb, var(--amber) 24%, transparent); color: color-mix(in srgb, var(--amber) 50%, var(--ink)); }
.tone-err { background: color-mix(in srgb, var(--warn) 16%, transparent); color: var(--warn); }
.tone-mute { background: var(--surface-2); color: var(--muted); }

/* Ảnh hero xoay vòng, có thanh chạy thời gian */
.rotator-wrap { position: relative; }
.rotator { position: relative; aspect-ratio: 1356 / 935; border-radius: 16px; overflow: hidden; border: 1px solid var(--line); background: #fff; box-shadow: var(--shadow); }
.rot-slide { position: absolute; inset: 0; opacity: 0; transform: scale(1.03); transition: opacity .8s ease, transform 1.4s cubic-bezier(.16, 1, .3, 1); }
.rot-slide.is-on { opacity: 1; transform: none; }
.rot-slide img { width: 100%; height: 100%; object-fit: cover; object-position: top left; }
.rot-bar { position: absolute; left: 0; right: 0; bottom: 0; height: 3px; background: color-mix(in srgb, var(--brand) 14%, transparent); }
.rot-bar i { display: block; height: 100%; width: 0; background: var(--brand); }
.rot-dots { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.rot-dot { border: 1px solid var(--line); background: var(--surface); color: var(--ink-2); border-radius: 999px; padding: 8px 13px; font: 600 13px/1 var(--body); cursor: pointer; transition: background .2s, color .2s, border-color .2s; }
.rot-dot:hover { border-color: var(--brand); color: var(--brand); }
.rot-dot.is-on { background: var(--brand); border-color: var(--brand); color: var(--brand-ink); }

/* Dải tính năng chạy ngang */
.ticker { overflow: hidden; border-block: 1px solid var(--line); background: var(--surface); padding-block: 14px; -webkit-mask-image: linear-gradient(90deg, transparent, #000 7%, #000 93%, transparent); mask-image: linear-gradient(90deg, transparent, #000 7%, #000 93%, transparent); }
.ticker-track { display: flex; gap: 12px; width: max-content; animation: marquee 55s linear infinite; }
.ticker span { white-space: nowrap; padding: 9px 15px; border-radius: 999px; background: var(--surface-2); font: 600 14px/1 var(--body); color: var(--ink-2); }
.ticker:hover .ticker-track { animation-play-state: paused; }
@keyframes marquee { to { transform: translateX(calc(-50% - 6px)); } }

/* ── Khối section ── */
.sec.dark { background: var(--band); color: var(--band-ink); }
.sec.dark h2, .sec.dark h3 { color: var(--band-ink); }
.sec.dark .lead, .sec.dark p { color: var(--band-muted); }
.sec.dark .eyebrow { color: var(--amber); }
.sec-head.center { margin-inline: auto; text-align: center; }
.sec-head.center .lead { margin-inline: auto; }
.wrap.narrow { max-width: 900px; }
.feat-more { margin-top: 18px; font-weight: 600; }
.feat-more a { text-decoration: none; }
.feat-more a:hover { text-decoration: underline; }
.eyebrow.on-dark { color: var(--amber); }

.probs { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.prob { padding: 22px; border-radius: 16px; background: var(--surface); border: 1px solid var(--line); border-top: 3px solid var(--warn); }
.prob-ic { width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center; background: color-mix(in srgb, var(--warn) 12%, transparent); color: var(--warn); }
.prob h3 { font-size: 18px; margin-top: 14px; }
.prob p { color: var(--ink-2); font-size: 15px; margin-top: 6px; }
.alt .prob, .alt .card, .alt .hsteps li, .alt .checklist li { background: var(--ground); }

.cards { display: grid; gap: 16px; }
.cards.cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.cards.cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.cards.cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.card { display: flex; flex-direction: column; gap: 10px; padding: 22px; border: 1px solid var(--line); border-radius: 16px; background: var(--surface); color: var(--ink); text-decoration: none; transition: border-color .2s, transform .25s cubic-bezier(.16, 1, .3, 1), box-shadow .25s; }
a.card:hover { border-color: var(--brand); transform: translateY(-3px); box-shadow: var(--shadow); }
.card-ic { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; background: var(--brand-soft); color: var(--brand); }
.card h3 { font-size: 18px; margin-top: 4px; }
.card p { color: var(--ink-2); font-size: 15px; }
.card .more { margin-top: auto; padding-top: 4px; color: var(--brand); font-weight: 600; font-size: 14.5px; }

/* Bảng trước / sau */
.ba-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 16px; background: var(--surface); }
.ba { width: 100%; min-width: 660px; border-collapse: collapse; font-size: 15px; }
.ba th, .ba td { padding: 14px 18px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.ba tbody tr:last-child th, .ba tbody tr:last-child td { border-bottom: 0; }
.ba thead th { font: 700 14.5px/1.3 var(--display); background: var(--surface-2); }
.ba thead th.now { background: var(--brand); color: var(--brand-ink); }
.ba tbody th { font-weight: 600; width: 24%; }
.ba td { width: 38%; }
.ba td svg { float: left; margin: 3px 10px 0 0; }
.ba td span { display: block; overflow: hidden; }
.ba td.was { color: var(--muted); }
.ba td.was svg { color: var(--warn); }
.ba td.now { color: var(--ink); background: color-mix(in srgb, var(--brand-soft) 38%, transparent); }
.ba td.now svg { color: var(--mint); }
.compare svg.no { color: var(--warn); opacity: .8; }

/* Các bước ngang */
.hsteps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 16px; counter-reset: hs; }
.hsteps li { counter-increment: hs; position: relative; padding: 58px 20px 22px; border: 1px solid var(--line); border-radius: 16px; background: var(--surface); display: grid; gap: 6px; align-content: start; }
.hsteps li::before { content: counter(hs, decimal-leading-zero); position: absolute; left: 20px; top: 18px; font: 800 24px/1 var(--display); color: var(--brand); }
.hsteps b { font: 700 17px/1.35 var(--display); }
.hsteps span { color: var(--ink-2); font-size: 15px; }

/* Dòng thời gian một ngày */
.tline { list-style: none; margin: 0; padding: 0; position: relative; display: grid; }
.tline::before { content: ""; position: absolute; left: 83px; top: 10px; bottom: 10px; width: 2px; background: linear-gradient(var(--brand), var(--mint)); opacity: .35; }
.tline li { display: grid; grid-template-columns: 64px minmax(0, 1fr); gap: 40px; padding: 14px 0; position: relative; }
.tline li::after { content: ""; position: absolute; left: 77px; top: 22px; width: 14px; height: 14px; border-radius: 50%; background: var(--surface); border: 3px solid var(--brand); }
.tline time { font: 700 15px/1.4 var(--display); color: var(--brand); text-align: right; padding-top: 3px; }
.tline b { font: 700 17px/1.35 var(--display); }
.tline p { color: var(--ink-2); font-size: 15px; margin-top: 4px; max-width: 68ch; }

/* Tab kịch bản */
.tab-list { display: flex; gap: 6px; padding: 6px; background: var(--surface-2); border-radius: 14px; width: fit-content; max-width: 100%; overflow-x: auto; }
.tab-list button { display: inline-flex; align-items: center; gap: 8px; border: 0; background: none; padding: 10px 16px; border-radius: 10px; font: 600 15px/1 var(--body); color: var(--ink-2); cursor: pointer; white-space: nowrap; transition: background .2s, color .2s; }
.tab-list button:hover { color: var(--brand); }
.tab-list button[aria-selected="true"] { background: var(--surface); color: var(--brand); box-shadow: var(--shadow); }
.tab-panel { margin-top: 28px; }
.tab-panel.is-off { display: none; }
.tab-panel:not(.is-off) { animation: tab-in .5s cubic-bezier(.16, 1, .3, 1) both; }
@keyframes tab-in { from { opacity: 0; transform: translateY(12px); } }
.tab-grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 40px; align-items: center; }
.tab-grid h3 { font-size: clamp(22px, 2.4vw, 28px); font-weight: 800; }
.tab-grid .lead { margin-top: 10px; font-size: 17px; }

/* Con số */
.stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 28px; }
.stat { border-top: 1px solid color-mix(in srgb, currentColor 20%, transparent); padding-top: 18px; }
.stat b { display: flex; align-items: baseline; gap: 6px; font: 800 clamp(40px, 5vw, 58px)/1 var(--display); color: var(--brand); letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.stat b small { font: 700 17px/1 var(--display); color: var(--ink-2); letter-spacing: 0; }
.stat p { color: var(--ink-2); margin-top: 10px; font-size: 15px; }
.sec.dark .stat b { color: var(--amber); }
.sec.dark .stat b small { color: var(--band-muted); }

/* Danh sách kiểm */
.checklist { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px 20px; }
.checklist li { display: flex; gap: 12px; padding: 16px 18px; border: 1px solid var(--line); border-radius: 14px; background: var(--surface); }
.checklist li > svg { flex: none; margin-top: 3px; color: var(--mint); }
.checklist li.is-no > svg { color: var(--warn); }
.checklist b { font: 700 16px/1.35 var(--display); }
.checklist p { color: var(--ink-2); font-size: 14.5px; margin-top: 4px; }

/* Khung giao diện mô phỏng */
.ui-wrap { position: relative; }
.ui { margin: 0; background: var(--surface); border: 1px solid var(--line); border-radius: 16px; box-shadow: var(--shadow); overflow: hidden; font-size: 14px; }
.ui-bar { display: flex; align-items: center; gap: 6px; padding: 10px 14px; background: var(--surface-2); border-bottom: 1px solid var(--line); }
.ui-bar i { width: 9px; height: 9px; border-radius: 50%; background: var(--line); }
.ui-bar span { margin-left: 10px; font: 600 12.5px/1 var(--body); color: var(--muted); }
.ui-body { padding: 16px; display: grid; gap: 12px; }
.ui-head { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; flex-wrap: wrap; }
.ui-head b { font: 700 16px/1.3 var(--display); }
.ui-head span { color: var(--muted); font-size: 13px; }
.ui-tabs { display: flex; gap: 6px; flex-wrap: wrap; }
.ui-tabs span { padding: 6px 10px; border-radius: 8px; font-size: 12.5px; font-weight: 600; color: var(--muted); background: var(--surface-2); }
.ui-tabs span.on { background: var(--brand); color: var(--brand-ink); }
.ui-kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(110px, 1fr)); gap: 8px; }
.ui-kpis div { padding: 10px 12px; border-radius: 10px; background: var(--surface-2); }
.ui-kpis small { display: block; color: var(--muted); font-size: 12px; }
.ui-kpis b { font: 800 18px/1.3 var(--display); }
.ui-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.ui-list li { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border: 1px solid var(--line); border-radius: 10px; background: var(--ground); }
.ui-av { width: 32px; height: 32px; border-radius: 50%; display: grid; place-items: center; background: var(--brand-soft); color: var(--brand); font: 700 12px/1 var(--body); flex: none; }
.ui-t { min-width: 0; flex: 1; }
.ui-t b { display: block; font-weight: 600; font-size: 14px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ui-t small { display: block; color: var(--muted); font-size: 12.5px; }
.ui-v { font: 700 14px/1 var(--display); white-space: nowrap; }
.chip { font-style: normal; font: 600 12px/1 var(--body); padding: 6px 9px; border-radius: 999px; white-space: nowrap; }
.ui-foot { font-size: 13px; color: var(--muted); border-top: 1px dashed var(--line); padding-top: 10px; }

/* Hai cột tự do */
.split { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 40px; align-items: center; }
.split.rev > :first-child { order: 2; }

/* Lời kêu gọi cuối trang */
.cta-sec { padding-block: 16px 72px; }
.cta-box { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: 32px; align-items: center; padding: 36px; border-radius: 24px; color: #fff; background: linear-gradient(130deg, #1d4ed8 0%, #1b5fd0 45%, #0b8374 100%); box-shadow: 0 30px 70px -30px rgba(29, 78, 216, .55); }
.cta-box h2 { font-size: clamp(26px, 3vw, 36px); font-weight: 800; color: #fff; }
.cta-box p { color: rgba(255, 255, 255, .88); margin-top: 10px; }
.cta-ways { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.cta-way { display: flex; gap: 12px; align-items: center; padding: 18px; border-radius: 16px; background: rgba(255, 255, 255, .12); color: #fff; text-decoration: none; border: 1px solid rgba(255, 255, 255, .28); transition: background .2s, transform .25s cubic-bezier(.16, 1, .3, 1); }
.cta-way:hover { background: rgba(255, 255, 255, .2); transform: translateY(-2px); }
.cta-way.is-main { background: #fff; color: #1d4ed8; border-color: #fff; }
.cta-way b { display: block; font: 700 16px/1.3 var(--display); }
.cta-way small { display: block; font-size: 13px; opacity: .85; margin-top: 2px; }

/* Nhóm tính năng */
.groups { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.group { border: 1px solid var(--line); border-radius: 18px; background: var(--surface); padding: 22px; scroll-margin-top: 90px; }
.group header h3 { font-size: 20px; }
.group header p { color: var(--muted); font-size: 14.5px; margin-top: 4px; }
.group ul { list-style: none; margin: 14px 0 0; padding: 0; display: grid; gap: 2px; }
.group a { display: flex; gap: 12px; padding: 10px; border-radius: 12px; text-decoration: none; color: var(--ink); transition: background .15s; }
.group a:hover { background: var(--surface-2); }
.group a .ic { color: var(--brand); margin-top: 2px; }
.group b { display: block; font-weight: 600; }
.group small { display: block; color: var(--muted); font-size: 13.5px; }

/* Văn bản dài (điều khoản, chính sách) */
.prose { max-width: 780px; color: var(--ink-2); }
.prose h2 { font-size: 22px; color: var(--ink); margin: 36px 0 10px; }
.prose h2:first-child { margin-top: 0; }
.prose p + p, .prose ul + p, .prose p + ul { margin-top: 12px; }
.prose ul { padding-left: 22px; margin: 10px 0 0; }
.prose li + li { margin-top: 6px; }
.prose .upd { color: var(--muted); font-size: 14px; }

/* Máy tính ước lượng */
.calc { display: grid; grid-template-columns: minmax(0, 6fr) minmax(0, 5fr); gap: 28px; padding: 28px; border: 1px solid var(--line); border-radius: 20px; background: var(--surface); }
.calc .fields { display: grid; gap: 18px; }
.calc output { font-weight: 700; color: var(--brand); }
.calc input[type="range"] { width: 100%; accent-color: var(--brand); }
.calc .fld label { display: flex; justify-content: space-between; gap: 12px; }
.calc-out { border-radius: 16px; padding: 26px; background: var(--band); color: var(--band-ink); display: grid; gap: 10px; align-content: center; }
.calc-out small { color: var(--band-muted); font-size: 14px; }
.calc-out b { font: 800 clamp(30px, 4vw, 44px)/1.1 var(--display); color: var(--amber); font-variant-numeric: tabular-nums; }
.calc-out p { color: var(--band-muted); font-size: 14.5px; }

/* Khối đăng ký dùng thử */
.trial-points { list-style: none; padding: 0; margin: 22px 0 0; display: grid; gap: 10px; }
.trial-points li { display: flex; gap: 10px; color: var(--band-ink); }
.trial-points svg { flex: none; margin-top: 4px; color: var(--amber); }

/* Thanh đăng ký dính đáy trên điện thoại */
.sticky-cta { position: fixed; left: 12px; right: 12px; bottom: calc(12px + env(safe-area-inset-bottom, 0px)); z-index: 40; display: none; gap: 8px; padding: 8px; border-radius: 16px; background: color-mix(in srgb, var(--surface) 92%, transparent); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); border: 1px solid var(--line); box-shadow: var(--shadow); transform: translateY(150%); transition: transform .35s cubic-bezier(.16, 1, .3, 1); }
.sticky-cta.show { transform: none; }
.sticky-cta .btn:first-child { flex: 1; }

/* Chân trang */
.site-foot { padding-block: 56px 28px; border-top: 1px solid var(--line); background: var(--surface); color: var(--ink-2); font-size: 14.5px; }
.site-foot .wrap { display: block; }
.f-top { display: grid; grid-template-columns: minmax(0, 3fr) minmax(0, 9fr); gap: 44px; }
.f-brand p { margin-top: 12px; color: var(--muted); }
.f-brand .btn { margin-top: 18px; }
.f-contact a { color: var(--ink); font-weight: 600; text-decoration: none; }
.f-cols { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 30px 24px; }
.f-h { font: 700 12.5px/1.3 var(--body); text-transform: uppercase; letter-spacing: .06em; color: var(--ink); margin-bottom: 10px; }
.f-col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.f-col a { color: var(--muted); text-decoration: none; }
.f-col a:hover { color: var(--brand); }
.f-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 24px; margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--line); color: var(--muted); }
.f-bottom a { color: var(--muted); }

/* Hiện dần khi cuộn tới (site.js gắn .rv; không có JS thì mọi thứ hiện sẵn). */
.js .rv { opacity: 0; transform: translateY(28px); transition: opacity .75s cubic-bezier(.16, 1, .3, 1) var(--d, 0ms), transform .75s cubic-bezier(.16, 1, .3, 1) var(--d, 0ms); }
.js .rv.in { opacity: 1; transform: none; }

@media (max-width: 1020px) {
  .nav.open { display: flex; flex-direction: column; align-items: stretch; position: absolute; left: 0; right: 0; top: 100%; margin: 0; padding: 6px 16px 16px; gap: 0; background: var(--surface); border-bottom: 1px solid var(--line); box-shadow: var(--shadow); max-height: calc(100dvh - 120px); overflow: auto; }
  .nav.open .nav-top { width: 100%; justify-content: space-between; padding: 14px 4px; border-radius: 0; border-bottom: 1px solid var(--line); background: none; }
  .nav.open .nav-drop { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: 0; padding: 4px 0 10px; min-width: 0; display: none; }
  .nav.open .nav-item.open .nav-drop { display: grid; }
  .nav.open .nav-drop.mega { padding: 4px 0 10px; }
  .nav.open .mega-grid { grid-template-columns: minmax(0, 1fr); gap: 12px; }
  .nav.open .dd-link { padding: 9px 6px; border-bottom: 0; }
  .top-login { display: none; }
  .page-hero .hero-grid, .page-hero.is-home .hero-grid, .tab-grid, .calc, .cta-box, .split, .f-top { grid-template-columns: minmax(0, 1fr); }
  .split.rev > :first-child { order: 0; }
  .cards.cols-3, .cards.cols-4, .probs, .groups { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .checklist { grid-template-columns: minmax(0, 1fr); }
  .hero-vis { margin-top: 8px; }
}
@media (max-width: 760px) {
  .sticky-cta { display: flex; }
  .promo-long, .promo-bar a { display: none; }
  .promo-short { display: inline; }
  .top-cta .btn-primary { display: none; }
  .site-foot { padding-bottom: 100px; }
}
@media (max-width: 640px) {
  .cards.cols-2, .cards.cols-3, .cards.cols-4, .probs, .groups, .cta-ways { grid-template-columns: minmax(0, 1fr); }
  .f-cols { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .floaty { display: none; }
  .tline::before { left: 11px; }
  .tline li { grid-template-columns: minmax(0, 1fr); gap: 4px; padding-left: 34px; }
  .tline li::after { left: 5px; }
  .tline time { text-align: left; }
  .cta-box, .calc { padding: 22px; }
  .page-hero { padding-block: 28px 44px; }
}
@media (prefers-reduced-motion: reduce) {
  .js .rv { opacity: 1; transform: none; transition: none; }
  .ticker-track, .floaty, .hero-text > *, .hero-vis, .tab-panel:not(.is-off) { animation: none !important; }
  .rot-slide, .nav-drop, .card, .cta-way { transition: none; }
  @view-transition { navigation: none; }
}

/* Ô đánh dấu trong máy tính chọn gói, dải 6 tháng ở bảng giá */
.check { display: flex; gap: 10px; align-items: flex-start; font-size: 15px; color: var(--ink-2); cursor: pointer; }
.check input { width: 18px; height: 18px; margin-top: 3px; accent-color: var(--brand); flex: none; }
.calc-out strong { color: var(--band-ink); }
.trial-strip { margin: 0 0 28px; background: color-mix(in srgb, var(--amber) 16%, var(--surface)); }
.trial-strip b { color: color-mix(in srgb, var(--amber) 55%, var(--ink)); }
.trial-strip svg { color: var(--mint); }

/* Nhóm báo cáo (trang Báo cáo) */
.rep-groups { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.rep-group { padding: 20px; border: 1px solid var(--line); border-radius: 16px; background: var(--surface); }
.rep-group h3 { font-size: 17px; }
.rep-group .chips { margin-top: 12px; }
@media (max-width: 1020px) { .rep-groups { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px) { .rep-groups { grid-template-columns: minmax(0, 1fr); } }

/* Điện thoại: tab chia đều bề ngang, không cắt chữ */
@media (max-width: 640px) {
  .tab-list { width: 100%; flex-wrap: wrap; }
  .tab-list button { flex: 1 1 auto; justify-content: center; padding: 10px 12px; font-size: 14px; }
}