/* Font tự lưu trữ (Fontsource, SIL OFL) — Montserrat & Be Vietnam Pro, bộ ký tự latin + tiếng Việt */
@font-face {
  font-family: 'Montserrat';
  font-style: normal;
  font-display: swap;
  font-weight: 700;
  src: url(fonts/montserrat-vietnamese-700-normal.woff2) format('woff2');
  unicode-range: U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB;
}
@font-face {
  font-family: 'Montserrat';
  font-style: normal;
  font-display: swap;
  font-weight: 700;
  src: url(fonts/montserrat-latin-700-normal.woff2) format('woff2');
  unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}
@font-face {
  font-family: 'Montserrat';
  font-style: normal;
  font-display: swap;
  font-weight: 800;
  src: url(fonts/montserrat-vietnamese-800-normal.woff2) format('woff2');
  unicode-range: U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB;
}
@font-face {
  font-family: 'Montserrat';
  font-style: normal;
  font-display: swap;
  font-weight: 800;
  src: url(fonts/montserrat-latin-800-normal.woff2) format('woff2');
  unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}
@font-face {
  font-family: 'Be Vietnam Pro';
  font-style: normal;
  font-display: swap;
  font-weight: 400;
  src: url(fonts/be-vietnam-pro-vietnamese-400-normal.woff2) format('woff2');
  unicode-range: U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB;
}
@font-face {
  font-family: 'Be Vietnam Pro';
  font-style: normal;
  font-display: swap;
  font-weight: 400;
  src: url(fonts/be-vietnam-pro-latin-400-normal.woff2) format('woff2');
  unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}
@font-face {
  font-family: 'Be Vietnam Pro';
  font-style: normal;
  font-display: swap;
  font-weight: 500;
  src: url(fonts/be-vietnam-pro-vietnamese-500-normal.woff2) format('woff2');
  unicode-range: U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB;
}
@font-face {
  font-family: 'Be Vietnam Pro';
  font-style: normal;
  font-display: swap;
  font-weight: 500;
  src: url(fonts/be-vietnam-pro-latin-500-normal.woff2) format('woff2');
  unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}
@font-face {
  font-family: 'Be Vietnam Pro';
  font-style: normal;
  font-display: swap;
  font-weight: 600;
  src: url(fonts/be-vietnam-pro-vietnamese-600-normal.woff2) format('woff2');
  unicode-range: U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB;
}
@font-face {
  font-family: 'Be Vietnam Pro';
  font-style: normal;
  font-display: swap;
  font-weight: 600;
  src: url(fonts/be-vietnam-pro-latin-600-normal.woff2) format('woff2');
  unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}
@font-face {
  font-family: 'Be Vietnam Pro';
  font-style: normal;
  font-display: swap;
  font-weight: 700;
  src: url(fonts/be-vietnam-pro-vietnamese-700-normal.woff2) format('woff2');
  unicode-range: U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB;
}
@font-face {
  font-family: 'Be Vietnam Pro';
  font-style: normal;
  font-display: swap;
  font-weight: 700;
  src: url(fonts/be-vietnam-pro-latin-700-normal.woff2) format('woff2');
  unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}
/* eBrand Agent — design system
   Bố cục: "bảng điều phối" — nền kem ấm, chữ navy đậm, dải navy đậm cho khối hành động, cam cho điểm nhấn & CTA (60/30/10).
   Phối màu kem + navy đậm + cam tham khảo gbeaihub.com (theo yêu cầu 17/10/2026), giữ màu nhận diện eBrand:
   logo Navy #0B3B73 · CTA Cam #FF6A00 · "e" gradient #0A84FF→#0546E9 · Montserrat + Be Vietnam Pro. */
:root {
  --bg: #F7F3EA;
  --surface: #F1EBDF;
  --surface-2: #E9E1D2;
  --card: #FFFDF8;
  --line: #E3DCCD;
  --ink: #0C2139;
  --muted: #55606E;
  --heading: #0C2139;
  --brand: #0B3B73;
  --accent: #FF6A00;
  --accent-hover: #FF7F24;
  --accent-strong: #D9530A;
  --on-accent: #0C2139;
  --accent-text: #B44800;
  --accent-soft: #FBE7D7;
  --primary-bg: #0C2139;
  --primary-fg: #FFFFFF;
  --primary-hover: #1B3556;
  --band: #0C2139;
  --band-deep: #081729;
  --on-band: #FFFFFF;
  --on-band-muted: #B9C5D1;
  --band-line: rgba(255, 255, 255, .16);
  --footer: #081729;
  --numeral: #D9CFBD;
  --e1: #0A84FF;
  --e2: #0546E9;
  --focus: #0A84FF;
  --danger: #B42318;
  --ok: #157347;
  --shadow: 0 1px 2px rgba(12, 33, 57, .05), 0 12px 32px rgba(60, 40, 10, .08);
  --f-display: "Montserrat", "Be Vietnam Pro", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --f-body: "Be Vietnam Pro", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --r-sm: 10px;
  --r: 16px;
  --r-lg: 22px;
  --gutter: max(20px, env(safe-area-inset-left, 0px));
  --gutter-r: max(20px, env(safe-area-inset-right, 0px));
  --header-h: 68px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0A1424; --surface: #0E1B2F; --surface-2: #14253F; --card: #101F35; --line: #22385A;
    --ink: #E3EAF4; --muted: #A2B2C8; --heading: #F2F6FC;
    --accent-text: #FF8F45; --accent-strong: #FF8F45; --brand: #F2F6FC; --numeral: #2A3F5E; --accent-soft: #2A1E16; --accent-hover: #FF8A3D;
    --primary-bg: #E8EEF7; --primary-fg: #0B3B73; --primary-hover: #FFFFFF;
    --band: #0F2A4D; --band-deep: #0C2342; --footer: #060F1C;
    --focus: #5AB0FF; --danger: #FF8A80; --ok: #6FD3A0;
    --shadow: 0 1px 2px rgba(0, 0, 0, .35), 0 10px 30px rgba(0, 0, 0, .3);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0A1424; --surface: #0E1B2F; --surface-2: #14253F; --card: #101F35; --line: #22385A;
  --ink: #E3EAF4; --muted: #A2B2C8; --heading: #F2F6FC;
  --accent-text: #FF8F45; --accent-strong: #FF8F45; --brand: #F2F6FC; --numeral: #2A3F5E; --accent-soft: #2A1E16; --accent-hover: #FF8A3D;
  --primary-bg: #E8EEF7; --primary-fg: #0B3B73; --primary-hover: #FFFFFF;
  --band: #0F2A4D; --band-deep: #0C2342; --footer: #060F1C;
  --focus: #5AB0FF; --danger: #FF8A80; --ok: #6FD3A0;
  --shadow: 0 1px 2px rgba(0, 0, 0, .35), 0 10px 30px rgba(0, 0, 0, .3);
  color-scheme: dark;
}

/* ---------- Nền tảng ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 16px); }
body { margin: 0; background: var(--bg); color: var(--ink); font: 400 1.0625rem/1.65 var(--f-body); -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; overflow-x: hidden; }
body::before { content: ""; position: fixed; inset: 0 0 auto; height: env(safe-area-inset-top, 0px); z-index: 60; background: var(--bg); }
img, svg { max-width: 100%; }
img { height: auto; display: block; }
a { color: inherit; }
h1, h2, h3 { font-family: var(--f-display); color: var(--heading); margin: 0; text-wrap: balance; letter-spacing: -.015em; }
h1 { font-size: clamp(2.2rem, 1.3rem + 3.6vw, 3.6rem); line-height: 1.14; font-weight: 800; }
h2 { font-size: clamp(1.65rem, 1.2rem + 1.6vw, 2.35rem); line-height: 1.2; font-weight: 800; }
h3 { font-size: 1.2rem; line-height: 1.35; font-weight: 700; letter-spacing: -.005em; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; border-radius: 6px; }
[hidden] { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.skip { position: absolute; left: 16px; top: -60px; z-index: 100; background: var(--primary-bg); color: var(--primary-fg); padding: 10px 16px; border-radius: var(--r-sm); font-weight: 600; text-decoration: none; }
.skip:focus { top: calc(12px + env(safe-area-inset-top, 0px)); }
.selectable { user-select: all; -webkit-user-select: all; }
.muted { color: var(--muted); }
.ico { flex: none; }
.wrap { width: 100%; max-width: 1200px; margin-inline: auto; padding-left: var(--gutter); padding-right: var(--gutter-r); }
.wrap.narrow { max-width: 860px; }

/* ---------- Thành phần cơ bản ---------- */
.eyebrow { display: inline-flex; align-items: center; gap: 10px; font: 700 .8125rem/1.3 var(--f-body); letter-spacing: .09em; text-transform: uppercase; color: var(--accent-text); margin-bottom: 14px; }
.eyebrow::before { content: ""; width: 28px; height: 2px; border-radius: 2px; background: var(--accent); flex: none; }
.lead { font-size: clamp(1.08rem, 1rem + .35vw, 1.25rem); line-height: 1.6; color: var(--muted); max-width: 60ch; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 46px; padding: 10px 22px; border-radius: 999px; border: 1.5px solid transparent; font: 600 1rem/1.2 var(--f-body); text-decoration: none; transition: background-color .18s, border-color .18s, transform .18s, color .18s; text-align: center; }
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: none; }
.btn-sm { min-height: 40px; padding: 8px 16px; font-size: .95rem; }
.btn-lg { min-height: 54px; padding: 12px 26px; font-size: 1.0625rem; }
.btn-accent { background: var(--accent); color: var(--on-accent); }
.btn-accent:hover { background: var(--accent-hover); }
.btn-primary { background: var(--primary-bg); color: var(--primary-fg); }
.btn-primary:hover { background: var(--primary-hover); }
.btn-ghost { background: transparent; color: var(--heading); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--heading); }
.btn-row { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 18px; }
.link-arrow { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; color: var(--heading); text-decoration: none; text-underline-offset: 4px; }
.link-arrow::after { content: "→"; color: var(--accent-text); transition: transform .18s; }
.link-arrow:hover { text-decoration: underline; }
.link-arrow:hover::after { transform: translateX(3px); }
.tag { display: inline-block; font-size: .8rem; font-weight: 600; color: var(--heading); background: var(--surface-2); padding: 3px 10px; border-radius: 999px; }

/* ---------- Logo ---------- */
.logo-link { text-decoration: none; display: inline-flex; align-items: center; }
.logo { font: 800 1.45rem/1 var(--f-display); letter-spacing: -.03em; display: inline-flex; align-items: baseline; }
.logo-e { background: linear-gradient(135deg, var(--e1), var(--e2)); -webkit-background-clip: text; background-clip: text; color: transparent; padding-right: .02em; }
.logo-brand { color: var(--brand); }
.logo-agent { font-weight: 600; color: var(--muted); margin-left: .32em; letter-spacing: -.01em; position: relative; }
.logo-agent::after { content: ""; position: absolute; right: -.38em; top: .08em; width: .22em; height: .22em; border-radius: 50%; background: var(--accent); }
.logo.invert .logo-brand { color: #FFFFFF; }
.logo.invert .logo-agent { color: #C6D5EA; }

/* ---------- Header ---------- */
.site-header { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 50; background: color-mix(in srgb, var(--bg) 90%, transparent); backdrop-filter: saturate(1.4) blur(12px); -webkit-backdrop-filter: saturate(1.4) blur(12px); border-bottom: 1px solid var(--line); }
.header-row { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: var(--header-h); }
.main-nav { display: flex; align-items: center; gap: 4px; }
.main-nav > a, .nav-trigger { display: inline-flex; align-items: center; gap: 6px; padding: 10px 14px; border-radius: var(--r-sm); text-decoration: none; font-weight: 500; color: var(--ink); background: none; border: 0; }
.main-nav > a:hover, .nav-trigger:hover, .nav-trigger[aria-expanded="true"] { background: var(--surface); color: var(--heading); }
.nav-trigger .ico { width: 16px; height: 16px; transition: transform .2s; }
.nav-trigger[aria-expanded="true"] .ico { transform: rotate(180deg); }
.nav-group { position: relative; }
.nav-menu { position: absolute; top: calc(100% + 8px); left: -12px; width: 380px; background: var(--card); border: 1px solid var(--line); border-radius: var(--r); box-shadow: var(--shadow); padding: 8px; display: none; }
.nav-group.is-open .nav-menu { display: grid; }
.nav-menu a { display: flex; gap: 14px; padding: 12px; border-radius: var(--r-sm); text-decoration: none; align-items: flex-start; }
.nav-menu a:hover { background: var(--surface); }
.nav-menu strong { display: block; color: var(--heading); font-weight: 600; }
.nav-menu small { display: block; color: var(--muted); font-size: .9rem; line-height: 1.4; }
.nav-ico { display: inline-grid; place-items: center; width: 36px; height: 36px; border-radius: 10px; background: var(--accent-soft); color: var(--accent-text); flex: none; }
.nav-cta-mobile { display: none !important; }
.header-actions { display: flex; align-items: center; gap: 10px; }
.menu-btn { display: none; width: 44px; height: 44px; border-radius: var(--r-sm); border: 1px solid var(--line); background: var(--card); color: var(--heading); align-items: center; justify-content: center; }

@media (max-width: 959px) {
  .menu-btn { display: inline-flex; }
  .header-actions .btn { display: none; }
  .main-nav { position: fixed; inset: calc(var(--header-h) + env(safe-area-inset-top, 0px)) 0 0 0; flex-direction: column; align-items: stretch; gap: 2px; background: var(--bg); padding: 16px var(--gutter-r) calc(24px + env(safe-area-inset-bottom, 0px)) var(--gutter); overflow-y: auto; display: none; border-top: 1px solid var(--line); }
  .main-nav.is-open { display: flex; }
  .main-nav > a, .nav-trigger { padding: 14px 12px; font-size: 1.1rem; justify-content: space-between; width: 100%; }
  .nav-menu { position: static; width: auto; box-shadow: none; border: 0; padding: 0 0 8px; background: transparent; }
  .nav-cta-mobile { display: inline-flex !important; margin-top: 16px; }
}

/* ---------- Khối & dải ---------- */
.section { padding-block: clamp(64px, 5vw + 40px, 112px); }
.section-alt { background: var(--surface); }
.band { background: var(--band); color: var(--on-band); }
.band .section { padding-left: var(--gutter); padding-right: var(--gutter-r); }
.band h2, .band h3 { color: var(--on-band); }
.band .eyebrow { color: #FFB27A; }
.band p { color: var(--on-band-muted); }
.section-head { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 20px 48px; margin-bottom: clamp(32px, 3vw, 48px); }
.section-head > div { max-width: 640px; }
.section-head > p { max-width: 460px; color: var(--muted); }
.section-head.on-dark > p { color: var(--on-band-muted); }

/* ---------- Hero ---------- */
.hero { padding-block: clamp(40px, 4vw + 20px, 88px) clamp(48px, 4vw + 16px, 80px); background:
  radial-gradient(45% 60% at 88% 78%, color-mix(in srgb, var(--accent) 13%, transparent), transparent 70%),
  var(--bg); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr); gap: clamp(36px, 5vw, 72px); align-items: center; }
.hero-copy { display: grid; gap: 24px; align-content: start; }
.hero-copy .eyebrow { margin-bottom: -6px; }
.hl, h1 em, h2 em { font-style: normal; color: var(--accent-strong); }
.band h2 em { color: #FF8F45; }
.hero h1 { font-size: clamp(2.2rem, 1.3rem + 3.4vw, 3.4rem); }
@media (min-width: 560px) { .h1-line { display: block; white-space: nowrap; } }
.trust { list-style: none; display: flex; flex-wrap: wrap; gap: 10px 22px; color: var(--muted); font-size: .97rem; }
.trust li { display: inline-flex; align-items: center; gap: 8px; }
.trust .ico { color: var(--ok); width: 18px; height: 18px; }

.ops { --T: 8s; margin: 0; background: var(--card); border: 1px solid var(--line); border-radius: var(--r-lg); box-shadow: var(--shadow); overflow: hidden; }
.ops-head { display: flex; align-items: center; gap: 12px; padding: 14px 16px 14px 20px; border-bottom: 1px solid var(--line); }
.ops-title { font: 700 .76rem/1.3 var(--f-body); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.ops-live { margin-left: auto; display: inline-flex; align-items: center; gap: 7px; font: 700 .74rem/1 var(--f-body); letter-spacing: .1em; text-transform: uppercase; color: var(--ok); white-space: nowrap; }
.ops-live i { width: 8px; height: 8px; border-radius: 50%; background: var(--ok); animation: ops-blink 1.8s ease-in-out infinite; }
.ops-toggle { width: 32px; height: 32px; border-radius: 50%; border: 1px solid var(--line); background: transparent; color: var(--muted); display: inline-grid; place-items: center; flex: none; }
.ops-toggle .ico { width: 15px; height: 15px; }
.ops-toggle:hover { color: var(--heading); border-color: var(--heading); }
.ops-body { list-style: none; position: relative; display: grid; gap: 10px; padding: 18px 18px 18px 46px;
  background-image: linear-gradient(color-mix(in srgb, var(--line) 55%, transparent) 1px, transparent 1px), linear-gradient(90deg, color-mix(in srgb, var(--line) 55%, transparent) 1px, transparent 1px);
  background-size: 28px 28px; background-position: -1px -1px; }
.ops-body::before { content: ""; position: absolute; left: 24px; top: 30px; bottom: 30px; width: 2px; border-radius: 2px; background: var(--line); }
.ops-body::after { content: ""; position: absolute; left: 20px; top: 26px; width: 10px; height: 10px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 5px color-mix(in srgb, var(--accent) 22%, transparent); animation: ops-travel var(--T) linear infinite; }
.op { display: grid; grid-template-columns: 40px minmax(0, 1fr) auto; gap: 14px; align-items: center; padding: 12px 14px; background: var(--card); border: 1px solid var(--line); border-radius: 14px; box-shadow: 0 2px 8px rgba(12, 33, 57, .04);
  animation: ops-row var(--T) linear infinite; animation-delay: calc(var(--T) * ((var(--i) + .5) / var(--n) - .08)); }
.op-ic { width: 40px; height: 40px; border-radius: 11px; display: grid; place-items: center; color: #FFFFFF; }
.op-ic .ico { width: 20px; height: 20px; }
.op-k { background: #0A84FF; } .op-s { background: #0F8F7E; } .op-a { background: #FF6A00; } .op-h { background: #0C2139; } .op-r { background: #B8892A; }
:root[data-theme="dark"] .op-h { background: #3A5A85; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .op-h { background: #3A5A85; } }
.op-main { display: grid; gap: 2px; min-width: 0; }
.op-top { display: flex; align-items: baseline; gap: 10px; }
.op-top b { font-weight: 700; color: var(--heading); }
.op-top time { font-size: .8rem; font-weight: 600; color: var(--muted); font-variant-numeric: tabular-nums; }
.op-txt { font-size: .93rem; line-height: 1.45; color: var(--muted); }
.op-who { font-style: normal; font-size: .74rem; font-weight: 700; padding: 4px 10px; border-radius: 999px; background: var(--surface-2); color: var(--heading); white-space: nowrap; }
.ops-stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); margin: 0; border-top: 1px solid var(--line); }
.ops-stats div { display: flex; flex-direction: column-reverse; align-items: center; gap: 4px; padding: 14px 8px; text-align: center; }
.ops-stats div + div { border-left: 1px solid var(--line); }
.ops-stats dd { margin: 0; font: 800 1.45rem/1 var(--f-display); color: var(--heading); font-variant-numeric: tabular-nums; }
.ops-stats dt { font-size: .7rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.ops figcaption { padding: 12px 20px 16px; border-top: 1px solid var(--line); font-size: .88rem; color: var(--muted); }
.ops.is-paused .op, .ops.is-paused .ops-body::after, .ops.is-paused .ops-live i { animation-play-state: paused; }
@keyframes ops-travel { 0% { top: 26px; opacity: 0; } 5% { opacity: 1; } 95% { opacity: 1; } 100% { top: calc(100% - 36px); opacity: 0; } }
@keyframes ops-row {
  0%, 17%, 100% { transform: translateX(0); border-color: var(--line); box-shadow: 0 2px 8px rgba(12, 33, 57, .04); }
  5%, 12% { transform: translateX(6px); border-color: color-mix(in srgb, var(--accent) 55%, var(--line)); box-shadow: 0 10px 26px color-mix(in srgb, var(--accent) 16%, transparent); }
}
@keyframes ops-blink { 0%, 100% { opacity: 1; box-shadow: 0 0 0 0 color-mix(in srgb, var(--ok) 45%, transparent); } 50% { opacity: .55; box-shadow: 0 0 0 6px transparent; } }
@media (prefers-reduced-motion: reduce) { .op, .ops-body::after, .ops-live i { animation: none !important; } .ops-body::after { display: none; } .ops-toggle { display: none; } }

.values-strip { background: var(--band); color: var(--on-band); }
.values-strip ul { list-style: none; display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 10px 22px; padding-block: 18px; font: 700 .86rem/1.4 var(--f-display); letter-spacing: .1em; text-transform: uppercase; }
.values-strip li { display: inline-flex; align-items: center; gap: 22px; }
.values-strip li + li::before { content: "★"; color: var(--accent); font-size: .8rem; letter-spacing: 0; }

/* ---------- Chẩn đoán ---------- */
.diag { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: clamp(20px, 3vw, 40px); align-items: start; }
.diag-list { display: grid; gap: 8px; }
.diag-list button { display: flex; align-items: center; justify-content: space-between; gap: 16px; text-align: left; padding: 16px 18px; border-radius: 12px; border: 1px solid var(--line); background: var(--card); font-weight: 500; color: var(--ink); transition: border-color .18s, background-color .18s; }
.diag-list button .ico { color: var(--muted); transition: transform .2s, color .2s; }
.diag-list button:hover { border-color: var(--heading); }
.diag-list button[aria-selected="true"] { background: var(--primary-bg); color: var(--primary-fg); border-color: var(--primary-bg); font-weight: 600; }
.diag-list button[aria-selected="true"] .ico { color: var(--accent); transform: translateX(3px); }
.diag-panel { background: var(--surface); border-radius: var(--r-lg); padding: clamp(24px, 3vw, 36px); display: grid; gap: 24px; }
.diag-sol { display: flex; align-items: center; gap: 12px; font-weight: 500; color: var(--muted); }
.diag-sol a { color: var(--heading); font-weight: 700; }
.diag-panel dl { margin: 0; display: grid; gap: 18px; }
.diag-panel dl > div { display: grid; gap: 4px; padding-bottom: 18px; border-bottom: 1px solid var(--line); }
.diag-panel dl > div:last-child { border-bottom: 0; padding-bottom: 0; }
.diag-panel dt { font-size: .8rem; font-weight: 700; letter-spacing: .07em; text-transform: uppercase; color: var(--accent-text); }
.diag-panel dd { margin: 0; color: var(--ink); font-size: 1.05rem; }

/* ---------- Giải pháp ---------- */
.sol-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.sol-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--r); padding: clamp(22px, 2.4vw, 32px); display: grid; gap: 20px; align-content: start; transition: border-color .2s, box-shadow .2s; }
.sol-card:hover { border-color: color-mix(in srgb, var(--heading) 40%, var(--line)); box-shadow: var(--shadow); }
.sol-top { display: flex; gap: 16px; align-items: flex-start; }
.sol-top p { color: var(--muted); margin-top: 4px; }
.sol-top h3 a { text-decoration: none; }
.sol-top h3 a:hover { text-decoration: underline; text-underline-offset: 4px; }
.sol-ico { display: inline-grid; place-items: center; width: 48px; height: 48px; border-radius: 14px; background: var(--primary-bg); color: var(--primary-fg); flex: none; }
.sol-ico .ico { width: 24px; height: 24px; }
.ticks { list-style: none; display: grid; gap: 10px; }
.ticks li { display: flex; gap: 10px; align-items: flex-start; }
.ticks .ico { color: var(--accent-text); margin-top: 3px; width: 18px; height: 18px; }
.pilot-line { background: var(--surface); border-radius: var(--r-sm); padding: 12px 14px; font-size: .97rem; color: var(--ink); display: grid; gap: 2px; }
.pilot-line span { font-size: .75rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--accent-text); }

/* ---------- Hành trình ---------- */
.journey { list-style: none; display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 0; counter-reset: j; }
.journey li { padding: 24px 20px 4px 0; border-top: 2px solid var(--band-line); display: grid; gap: 10px; align-content: start; position: relative; }
.journey li::before { content: ""; position: absolute; left: 0; top: -2px; width: 40px; height: 2px; background: var(--accent); }
.j-num { font: 800 2rem/1 var(--f-display); color: rgba(255, 255, 255, .28); letter-spacing: -.03em; font-variant-numeric: tabular-nums; }
.j-num::before { content: "0"; }
.j-touch { font-size: .92rem; }
.j-pain { font-size: .95rem; color: var(--on-band) !important; display: grid; gap: 2px; }
.j-pain span { font-size: .72rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--on-band-muted); }
.j-sol { font-size: .88rem; font-weight: 600; color: var(--on-band); text-decoration: none; border-bottom: 1px solid var(--band-line); justify-self: start; padding-bottom: 2px; }
.j-sol:hover { border-color: var(--accent); }

/* ---------- Cách làm việc ---------- */
.how-grid { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: clamp(36px, 5vw, 72px); align-items: start; margin-bottom: clamp(48px, 5vw, 80px); }
.principles { list-style: none; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px 32px; margin-block: 32px 28px; }
.principles h3 { font-size: 1.08rem; margin-bottom: 6px; }
.principles p { color: var(--muted); font-size: .98rem; }
.disclosure { display: flex; gap: 12px; align-items: flex-start; padding: 16px 18px; border-radius: var(--r-sm); background: var(--accent-soft); color: var(--ink); font-size: .97rem; }
.disclosure .ico { color: var(--accent-text); margin-top: 2px; }
.disclosure.wide { margin-top: 28px; }
.quote-doc { margin: 0; background: var(--card); border: 1px solid var(--line); border-radius: var(--r); box-shadow: var(--shadow); padding: 26px 26px 20px; }
.quote-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding-bottom: 16px; border-bottom: 2px solid var(--heading); }
.quote-head strong { font: 700 1.1rem/1.3 var(--f-display); color: var(--heading); }
.quote-head span { font-size: .75rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--accent-text); border: 1.5px dashed currentColor; padding: 4px 10px; border-radius: 6px; transform: rotate(-2deg); }
.quote-doc table { width: 100%; border-collapse: collapse; font-size: .95rem; }
.quote-doc thead th { text-align: left; font-size: .75rem; letter-spacing: .07em; text-transform: uppercase; color: var(--muted); padding: 12px 0 8px; font-weight: 700; }
.quote-doc thead th:last-child, .quote-doc td { text-align: right; }
.quote-doc tbody th { text-align: left; font-weight: 600; color: var(--ink); padding: 12px 12px 12px 0; border-top: 1px dashed var(--line); }
.quote-doc tbody th small { display: block; font-weight: 400; color: var(--muted); font-size: .85rem; }
.quote-doc td { color: var(--muted); font-size: .88rem; border-top: 1px dashed var(--line); white-space: nowrap; font-style: italic; }
.quote-doc figcaption { margin-top: 14px; padding-top: 14px; border-top: 2px solid var(--heading); font-size: .86rem; color: var(--muted); }
.steps { list-style: none; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px; }
.steps li { display: grid; gap: 8px; align-content: start; padding-top: 20px; border-top: 2px solid var(--line); position: relative; }
.steps li::before { content: ""; position: absolute; left: 0; top: -2px; width: 48px; height: 2px; background: var(--accent); }
.big-n { font: 800 3.2rem/1 var(--f-display); color: var(--numeral); letter-spacing: -.04em; font-variant-numeric: tabular-nums; }
.step-n { font-size: .78rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--accent-text); }
.steps p { color: var(--muted); font-size: .98rem; }

/* ---------- Nhật ký & người phụ trách ---------- */
.story-grid { display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(0, .8fr); gap: clamp(24px, 4vw, 56px); align-items: start; }
.journal { display: grid; gap: 16px; align-content: start; }
.journal > p { color: var(--muted); max-width: 62ch; }
.status-pill { display: inline-flex !important; align-items: center; gap: 8px; justify-self: start; font-size: .88rem; font-weight: 600; color: var(--accent-text) !important; background: var(--accent-soft); padding: 6px 12px; border-radius: 999px; }
.status-pill .ico { width: 16px; height: 16px; }
.kpi-label { font-size: .8rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--heading) !important; margin-top: 6px; }
.kpis { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; }
.kpis li { border: 1px solid var(--line); background: var(--card); border-radius: 999px; padding: 6px 14px; font-size: .92rem; }
.person { background: var(--card); border: 1px solid var(--line); border-radius: var(--r); padding: 28px; display: grid; gap: 10px; align-content: start; }
.person > p { color: var(--muted); }
.avatar { width: 64px; height: 64px; border-radius: 50%; display: grid; place-items: center; font: 800 1.2rem/1 var(--f-display); color: #fff; background: linear-gradient(135deg, var(--e1), #0B3B73); margin-bottom: 6px; }
.avatar.sm { width: 40px; height: 40px; font-size: .85rem; margin: 0; }
.person-role { font-size: .78rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--accent-text) !important; }
.person-links { display: grid; gap: 6px; margin-top: 6px; }
.legal { font-size: .85rem; color: var(--muted); }

/* ---------- Bài viết dạng thẻ ---------- */
.post-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.post-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; transition: transform .2s, box-shadow .2s; }
.post-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.post-card-link { display: grid; height: 100%; text-decoration: none; grid-template-rows: auto 1fr; }
.post-card img { aspect-ratio: 16 / 10; width: 100%; object-fit: cover; background: #0C2139; }
.post-card-body { padding: 20px 22px 24px; display: grid; gap: 10px; align-content: start; }
.post-meta { display: flex; flex-wrap: wrap; gap: 6px 12px; align-items: center; font-size: .86rem; color: var(--muted); }
.post-card h3 { font-size: 1.12rem; }
.post-card-body > p:last-child { color: var(--muted); font-size: .97rem; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }

/* ---------- Hỏi đáp ---------- */
.faq-grid { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: clamp(28px, 5vw, 72px); align-items: start; }
.faq-grid > div:first-child { display: grid; gap: 16px; }
.faq-list { display: grid; border-top: 1px solid var(--line); }
.faq { border-bottom: 1px solid var(--line); }
.faq summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; gap: 20px; align-items: center; padding: 20px 4px; font: 600 1.06rem/1.4 var(--f-body); color: var(--heading); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary .ico { color: var(--accent-text); transition: transform .2s; }
.faq[open] summary .ico { transform: rotate(45deg); }
.faq p { padding: 0 4px 22px; color: var(--muted); max-width: 64ch; }

/* ---------- Form ---------- */
.form-grid { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); gap: clamp(28px, 5vw, 64px); align-items: start; }
.form-intro { display: grid; gap: 18px; }
.form-card { background: var(--card); color: var(--ink); border-radius: var(--r-lg); padding: clamp(22px, 3vw, 36px); box-shadow: 0 20px 50px rgba(3, 18, 40, .25); }
.form-card.bordered { border: 1px solid var(--line); box-shadow: var(--shadow); }
.band .form-card p { color: var(--muted); }
.lead-form { display: grid; gap: 20px; }
.field-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.field { display: grid; gap: 8px; border: 0; padding: 0; margin: 0; min-width: 0; }
.field label, .field legend { font-weight: 600; font-size: .97rem; color: var(--heading); padding: 0; }
.field legend { margin-bottom: 8px; }
.opt { font-weight: 400; color: var(--muted); }
.field input, .field select, .field textarea, .form-result textarea { width: 100%; min-height: 50px; border: 1.5px solid var(--line); border-radius: var(--r-sm); background: var(--bg); padding: 12px 14px; color: var(--ink); transition: border-color .18s, box-shadow .18s; }
.field textarea, .form-result textarea { min-height: 96px; resize: vertical; line-height: 1.55; }
.field input::placeholder, .field textarea::placeholder { color: color-mix(in srgb, var(--muted) 70%, transparent); }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--focus); box-shadow: 0 0 0 4px color-mix(in srgb, var(--focus) 22%, transparent); }
.field input[aria-invalid="true"] { border-color: var(--danger); }
.field-error { color: var(--danger) !important; font-size: .88rem; min-height: 0; }
.field-error:empty { display: none; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { position: relative; }
.chip input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.chip span { display: inline-flex; align-items: center; min-height: 40px; padding: 0 16px; border-radius: 999px; border: 1.5px solid var(--line); font-size: .95rem; font-weight: 500; transition: all .15s; background: var(--bg); }
.chip input:checked + span { background: var(--primary-bg); border-color: var(--primary-bg); color: var(--primary-fg); }
.chip input:focus-visible + span { outline: 3px solid var(--focus); outline-offset: 2px; }
.form-note { font-size: .86rem; color: var(--muted); }
.lead-form > .btn { justify-self: start; }
.form-result { display: grid; gap: 14px; padding: 20px; border-radius: var(--r); background: var(--surface); border: 1px solid var(--line); }
.form-result:focus { outline: none; }
.result-title { display: flex; gap: 10px; align-items: center; font-weight: 600; color: var(--heading) !important; }
.result-title .ico { color: var(--ok); }
.form-result textarea { background: var(--card); font-size: .95rem; }
.result-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.result-status { font-size: .92rem; font-weight: 500; color: var(--ok) !important; }
.result-status:empty { display: none; }
.next-steps { list-style: none; counter-reset: s; display: grid; gap: 12px; }
.next-steps li { counter-increment: s; display: flex; gap: 12px; align-items: baseline; }
.next-steps li::before { content: counter(s); flex: none; width: 26px; height: 26px; border-radius: 50%; display: inline-grid; place-items: center; font: 700 .8rem/1 var(--f-display); background: var(--accent); color: var(--on-accent); transform: translateY(-1px); }
.contact-cards { list-style: none; display: grid; gap: 10px; }
.contact-cards li { display: flex; align-items: center; gap: 14px; padding: 14px 16px; border-radius: var(--r-sm); border: 1px solid var(--line); background: var(--card); }
.band .contact-cards li { background: rgba(255, 255, 255, .06); border-color: var(--band-line); }
.contact-cards li > span:nth-child(2) { display: grid; min-width: 0; flex: 1; }
.contact-cards small { font-size: .8rem; color: var(--muted); }
.band .contact-cards small { color: var(--on-band-muted); }
.contact-cards strong { font-weight: 600; color: var(--heading); overflow-wrap: anywhere; }
.band .contact-cards strong { color: var(--on-band); }
.cc-ico { display: inline-grid; place-items: center; width: 38px; height: 38px; border-radius: 10px; background: var(--accent-soft); color: var(--accent-text); flex: none; }
.band .cc-ico { background: rgba(255, 106, 0, .16); color: #FFB27A; }
.copy-btn { border: 1px solid var(--line); background: transparent; color: var(--heading); border-radius: 999px; padding: 6px 12px; font-size: .85rem; font-weight: 600; white-space: nowrap; }
.band .copy-btn { border-color: var(--band-line); color: var(--on-band); }
.copy-btn:hover { border-color: currentColor; }
.form-grid.is-page { grid-template-columns: minmax(0, 1.25fr) minmax(0, .75fr); }
.prose.plain { gap: 16px; max-width: 62ch; }
.prose.plain h2:not(:first-of-type) { margin-top: 20px; }
.form-side { display: grid; gap: 18px; align-content: start; }
.form-side h2 { font-size: 1.3rem; }
.form-side h2:not(:first-child) { margin-top: 16px; }

/* ---------- CTA band ---------- */
.cta-band { padding-block: clamp(48px, 5vw, 80px); }
.cta-row { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 24px 48px; }
.cta-row > div:first-child { max-width: 640px; display: grid; gap: 12px; }
.cta-actions { display: grid; gap: 10px; justify-items: start; }
.cta-phone { font-size: .95rem; }
.cta-phone strong { color: var(--on-band); }

/* ---------- Trang con ---------- */
.page-hero { background: var(--surface); padding-block: clamp(40px, 4vw + 16px, 80px); border-bottom: 1px solid var(--line); }
.page-hero.compact .wrap { display: grid; gap: 18px; justify-items: start; }
.page-hero.compact .eyebrow { margin-bottom: -4px; }
.page-hero-grid { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr); gap: clamp(28px, 5vw, 64px); align-items: center; }
.page-hero-grid > div:first-child { display: grid; gap: 20px; justify-items: start; }
.page-hero-grid .eyebrow { margin-bottom: -6px; }
.crumbs { display: flex; flex-wrap: wrap; gap: 8px; font-size: .9rem; color: var(--muted); }
.crumbs a { color: var(--muted); text-decoration: none; }
.crumbs a:hover { color: var(--heading); text-decoration: underline; }
.signs { background: var(--card); border: 1px solid var(--line); border-radius: var(--r); padding: 26px; display: grid; gap: 16px; }
.signs h2 { font-size: 1.1rem; }
.signs ul { list-style: none; display: grid; gap: 12px; }
.signs li { display: flex; gap: 12px; align-items: flex-start; }
.signs .ico { color: var(--accent-text); margin-top: 3px; width: 18px; height: 18px; }
.does-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 0; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.does-grid.n4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.does-grid.n5 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
.does-grid.n5 .does { grid-column: span 2; }
.does-grid.n5 .does:nth-child(-n+2) { grid-column: span 3; }
.does { padding: 26px 24px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); display: grid; gap: 8px; align-content: start; }
.does p { color: var(--muted); font-size: .98rem; }
.pilot-grid { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: clamp(28px, 5vw, 64px); align-items: start; }
.pilot-grid > div { display: grid; gap: 14px; }
.pilot { margin: 0; background: var(--card); border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; }
.pilot > div { display: grid; grid-template-columns: 170px minmax(0, 1fr); gap: 16px; padding: 18px 24px; border-bottom: 1px solid var(--line); }
.pilot > div:last-child { border-bottom: 0; }
.pilot dt { font-weight: 700; color: var(--heading); }
.pilot dd { margin: 0; color: var(--ink); }
.pilot .not-fit { background: var(--accent-soft); }
.filters { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; justify-content: space-between; margin-bottom: 18px; }
.search { display: flex; align-items: center; gap: 10px; border: 1.5px solid var(--line); border-radius: 999px; padding: 0 18px; min-height: 50px; background: var(--card); flex: 1 1 280px; max-width: 420px; color: var(--muted); }
.search:focus-within { border-color: var(--focus); box-shadow: 0 0 0 4px color-mix(in srgb, var(--focus) 22%, transparent); }
.search input { border: 0; outline: 0; background: transparent; flex: 1; min-width: 0; min-height: 46px; color: var(--ink); }
.chip-btn { min-height: 40px; padding: 0 16px; border-radius: 999px; border: 1.5px solid var(--line); background: var(--card); font-weight: 500; font-size: .95rem; }
.chip-btn[aria-pressed="true"] { background: var(--primary-bg); border-color: var(--primary-bg); color: var(--primary-fg); }
.result-count { color: var(--muted); font-size: .92rem; margin-bottom: 20px; }
.empty { text-align: center; padding: 48px 16px; display: grid; gap: 10px; }
.empty p { color: var(--muted); }
.model { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; align-items: stretch; }
.model-node { padding: 28px; border: 1px solid var(--line); background: var(--card); display: grid; gap: 10px; align-content: start; position: relative; }
.model-node:first-child { border-radius: var(--r) 0 0 var(--r); }
.model-node:last-child { border-radius: 0 var(--r) var(--r) 0; }
.model-node + .model-node { border-left: 0; }
.model-node p { color: var(--muted); }
.model-node.is-center { background: var(--primary-bg); border-color: var(--primary-bg); }
.model-node.is-center h3, .model-node.is-center p { color: var(--primary-fg); }
.model-node.is-center p { opacity: .85; }
.model-node:not(:last-child)::after { content: "⇄"; position: absolute; right: -16px; top: 50%; transform: translateY(-50%); z-index: 2; width: 32px; height: 32px; border-radius: 50%; display: grid; place-items: center; background: var(--accent); color: var(--on-accent); font-weight: 700; }

/* ---------- Bài viết ---------- */
.read-progress { position: fixed; left: 0; right: 0; top: calc(var(--header-h) + env(safe-area-inset-top, 0px)); height: 3px; z-index: 49; pointer-events: none; }
.read-progress span { display: block; height: 100%; width: 100%; transform-origin: 0 50%; transform: scaleX(0); background: var(--accent); }
.article-head { padding-block: clamp(36px, 4vw, 64px) 28px; }
.article-head .wrap { display: grid; gap: 18px; justify-items: start; }
.article-head .eyebrow { margin-bottom: -4px; }
.article-head h1 { font-size: clamp(2rem, 1.3rem + 2.8vw, 3.1rem); }
.deck { font-size: clamp(1.1rem, 1rem + .4vw, 1.3rem); color: var(--muted); line-height: 1.55; }
.byline { display: flex; flex-wrap: wrap; gap: 12px 14px; align-items: center; padding-top: 6px; }
.byline > span:nth-child(2) { display: grid; line-height: 1.35; }
.byline strong { color: var(--heading); font-weight: 600; }
.byline small { color: var(--muted); font-size: .9rem; }
.article-cover { border-radius: var(--r-lg); width: 100%; aspect-ratio: 16 / 10; object-fit: cover; }
.article-layout { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: clamp(28px, 4vw, 64px); max-width: 1080px; padding-block: 48px clamp(64px, 6vw, 104px); }
.toc { position: sticky; top: calc(var(--header-h) + 32px + env(safe-area-inset-top, 0px)); align-self: start; display: grid; gap: 12px; }
.toc-title { font-size: .78rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.toc ol { list-style: none; display: grid; gap: 2px; border-left: 2px solid var(--line); }
.toc a { display: block; padding: 7px 0 7px 14px; margin-left: -2px; border-left: 2px solid transparent; text-decoration: none; color: var(--muted); font-size: .93rem; line-height: 1.45; }
.toc a:hover { color: var(--heading); }
.toc a.is-active { color: var(--heading); border-left-color: var(--accent); font-weight: 600; }
.prose { font-size: 1.125rem; line-height: 1.78; max-width: 68ch; display: grid; grid-template-columns: minmax(0, 1fr); gap: 0; min-width: 0; }
.prose section { grid-template-columns: minmax(0, 1fr); }
.prose section { display: grid; gap: 18px; padding-bottom: 36px; }
.prose h2 { font-size: clamp(1.45rem, 1.2rem + .8vw, 1.8rem); margin-top: 8px; }
.prose p, .prose li { color: var(--ink); }
.prose a { color: var(--heading); text-decoration-color: var(--accent); text-underline-offset: 3px; text-decoration-thickness: 2px; }
.prose strong { color: var(--heading); }
.prose ul, .prose ol { padding-left: 1.3em; display: grid; gap: 8px; }
.prose ul.checklist { list-style: none; padding: 20px 22px; background: var(--surface); border-radius: var(--r); gap: 12px; }
.prose ul.checklist li { position: relative; padding-left: 32px; }
.prose ul.checklist li::before { content: ""; position: absolute; left: 0; top: .32em; width: 20px; height: 20px; border-radius: 6px; border: 2px solid var(--accent); }
.prose ul.checklist li::after { content: ""; position: absolute; left: 7px; top: calc(.32em + 3px); width: 5px; height: 10px; border: solid var(--accent-text); border-width: 0 2.5px 2.5px 0; transform: rotate(45deg); }
.prose blockquote { margin: 0; padding: 18px 22px; border-radius: var(--r); background: var(--accent-soft); font-weight: 500; color: var(--ink); }
.prose .note { padding: 16px 20px; border-radius: var(--r-sm); background: var(--accent-soft); font-size: 1.02rem; }
.flow-inline { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.flow-inline span { background: var(--primary-bg); color: var(--primary-fg); padding: 6px 14px; border-radius: 999px; font-size: .95rem; font-weight: 600; }
.flow-inline b { color: var(--accent-text); }
.prose section > * { min-width: 0; }
.table-scroll { max-width: 100%; overflow-x: auto; border: 1px solid var(--line); border-radius: var(--r); }
.prose table { width: 100%; border-collapse: collapse; font-size: .97rem; line-height: 1.55; min-width: 520px; }
.prose th, .prose td { text-align: left; padding: 12px 16px; border-bottom: 1px solid var(--line); vertical-align: top; }
.prose thead th { background: var(--surface); color: var(--heading); font-weight: 700; }
.prose tbody tr:last-child td { border-bottom: 0; }
.sources { margin-top: 8px; padding: 22px 24px; border-radius: var(--r); border: 1px solid var(--line); font-size: .98rem; display: grid; gap: 10px; }
.sources h2 { font-size: 1.05rem; margin: 0; }
.sources p { color: var(--muted); }
.sol-box { margin-top: 24px; display: flex; gap: 18px; align-items: flex-start; padding: 26px; border-radius: var(--r); background: var(--surface); }
.sol-box > div { display: grid; gap: 10px; min-width: 0; }
.sol-box h2 { font-size: 1.3rem; margin: 0; }
.sol-box p { font-size: 1rem; color: var(--muted); }
.sol-box-k { font-size: .78rem !important; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--accent-text) !important; }

/* ---------- Footer & thanh di động ---------- */
.site-footer { background: var(--footer); color: #C6D5EA; padding-top: 64px; }
.footer-grid { display: grid; grid-template-columns: minmax(0, 1.4fr) repeat(3, minmax(0, 1fr)); gap: 40px; padding-bottom: 48px; }
.footer-grid > div { display: grid; gap: 10px; align-content: start; }
.footer-brand p { max-width: 42ch; font-size: .97rem; }
.footer-brand .legal { color: #8EA3C0; }
.footer-h { font: 700 .8rem/1.3 var(--f-body); letter-spacing: .09em; text-transform: uppercase; color: #FFFFFF; margin-bottom: 6px; }
.site-footer a { color: #C6D5EA; text-decoration: none; font-size: .97rem; }
.site-footer a:hover { color: #FFFFFF; text-decoration: underline; text-underline-offset: 3px; }
.footer-contact { display: grid; font-size: .95rem; }
.footer-contact span { font-size: .8rem; color: #8EA3C0; }
.footer-contact strong { color: #FFFFFF; font-weight: 600; }
.footnote { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 24px; padding-block: 20px calc(20px + env(safe-area-inset-bottom, 0px)); border-top: 1px solid rgba(255, 255, 255, .12); font-size: .88rem; color: #8EA3C0; }
.mobile-bar { display: none; }

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .journey { grid-template-columns: repeat(3, minmax(0, 1fr)); row-gap: 28px; }
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 900px) {
  .hero-grid, .diag, .how-grid, .story-grid, .faq-grid, .form-grid, .form-grid.is-page, .page-hero-grid, .pilot-grid { grid-template-columns: minmax(0, 1fr); }
  .does-grid.n4, .does-grid.n5 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .does-grid.n5 .does, .does-grid.n5 .does:nth-child(-n+2) { grid-column: auto; }
  .does-grid.n5 .does:last-child { grid-column: 1 / -1; }
  .post-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .article-layout { grid-template-columns: minmax(0, 1fr); padding-top: 32px; }
  .toc { position: static; background: var(--surface); padding: 18px 20px; border-radius: var(--r); }
  .model { grid-template-columns: minmax(0, 1fr); }
  .model-node, .model-node:first-child, .model-node:last-child { border-radius: 0; }
  .model-node:first-child { border-radius: var(--r) var(--r) 0 0; }
  .model-node:last-child { border-radius: 0 0 var(--r) var(--r); }
  .model-node + .model-node { border-left: 1px solid var(--line); border-top: 0; }
  .model-node:not(:last-child)::after { right: auto; left: 50%; top: auto; bottom: -16px; transform: translateX(-50%) rotate(90deg); }
}
@media (max-width: 760px) {
  body { padding-bottom: calc(64px + env(safe-area-inset-bottom, 0px)); }
  .mobile-bar { display: grid; grid-template-columns: 1fr 1fr 1.4fr; position: fixed; left: 0; right: 0; bottom: 0; z-index: 40; background: var(--card); border-top: 1px solid var(--line); padding: 8px max(12px, env(safe-area-inset-right, 0px)) calc(8px + env(safe-area-inset-bottom, 0px)) max(12px, env(safe-area-inset-left, 0px)); gap: 8px; box-shadow: 0 -6px 24px rgba(3, 18, 40, .08); }
  .mobile-bar a { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 46px; border-radius: var(--r-sm); text-decoration: none; font-weight: 600; color: var(--heading); border: 1px solid var(--line); }
  .mobile-bar a.is-main { background: var(--accent); color: var(--on-accent); border-color: var(--accent); }
  .sol-grid, .post-grid, .principles, .field-row, .does-grid.n4, .does-grid.n5 { grid-template-columns: minmax(0, 1fr); }
  .journey { grid-template-columns: minmax(0, 1fr); }
  .journey li { grid-template-columns: 36px minmax(0, 1fr); column-gap: 12px; padding-right: 0; }
  .journey li > * { grid-column: 2; }
  .journey li .j-num { grid-column: 1; grid-row: 1; }
  .pilot > div { grid-template-columns: minmax(0, 1fr); gap: 4px; }
  .op { grid-template-columns: 36px minmax(0, 1fr); gap: 12px; }
  .op-ic { width: 36px; height: 36px; }
  .op-who { grid-column: 2; justify-self: start; }
  .ops-body { padding-left: 40px; }
  .ops-body::before { left: 20px; }
  .ops-body::after { left: 16px; }
  .ops-title { letter-spacing: .08em; }
  .btn-lg { width: 100%; }
  .hero .btn-row .btn, .page-hero .btn-row .btn { width: 100%; }
  .lead-form > .btn { width: 100%; justify-self: stretch; white-space: normal; }
  .footer-grid { grid-template-columns: minmax(0, 1fr); gap: 32px; }
  .cta-actions { width: 100%; justify-items: stretch; }
  .result-actions .btn { width: 100%; }
  .sol-box { flex-direction: column; padding: 22px; }
  .sol-box .btn { width: 100%; }
}
@media (max-width: 480px) {
  .steps { grid-template-columns: minmax(0, 1fr); }
  .logo { font-size: 1.3rem; }
  .diag-list button { padding: 14px 16px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}
@media (max-width: 600px) {
  .values-strip ul { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); justify-items: start; gap: 12px 16px; font-size: .76rem; }
  .values-strip li { gap: 8px; }
  .values-strip li::before, .values-strip li + li::before { content: "★"; color: var(--accent); font-size: .75rem; }
  .diag-sol { flex-wrap: wrap; gap: 8px 12px; }
}