/* ==========================================================
   kiemdinhkhithai.vn – Sao Việt Phát
   Màu lấy từ logo: navy #112E4E, xanh lá #65994F
   ========================================================== */
:root {
  --navy-900: #0a1d33;
  --navy-800: #112e4e;
  --navy-700: #1b3f66;
  --navy-100: #e6ecf3;
  --green-800: #3d6330;
  --green-700: #4d7a3a;
  --green-600: #5a8a45;
  --green-500: #65994f;
  --green-100: #ebf3e6;
  --green-50: #f5f9f2;
  --amber-600: #b7791f;
  --amber-100: #fdf3e1;
  --red-600: #c0392b;
  --ink: #16212e;
  --ink-soft: #4a5868;
  --line: #dbe2ea;
  --bg: #ffffff;
  --bg-soft: #f6f8fa;

  --font-head: "Barlow Condensed", "Arial Narrow", sans-serif;
  --font-label: "Montserrat", system-ui, sans-serif;
  --font-body: "Be Vietnam Pro", system-ui, -apple-system, "Segoe UI", sans-serif;

  --radius: 10px;
  --radius-lg: 18px;
  --shadow: 0 6px 24px rgba(17, 46, 78, .08);
  --shadow-lg: 0 18px 48px rgba(17, 46, 78, .14);
  --container: 1200px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 96px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--bg);
}
img { max-width: 100%; height: auto; display: block; }
[hidden] { display: none !important; }
a { color: var(--navy-700); }
a:hover { color: var(--green-700); }
h1, h2, h3, h4 { font-family: var(--font-head); color: var(--navy-800); line-height: 1.12; margin: 0 0 .5em; letter-spacing: .2px; }
h1 { font-size: clamp(2.3rem, 5.2vw, 3.9rem); font-weight: 700; }
h2 { font-size: clamp(1.9rem, 3.6vw, 2.75rem); font-weight: 700; }
h3 { font-size: 1.45rem; font-weight: 600; }
p { margin: 0 0 1em; }
:focus-visible { outline: 3px solid var(--green-500); outline-offset: 2px; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 20px; }
.section { padding: 88px 0; }
.section--soft { background: var(--bg-soft); }
.section--green { background: var(--green-50); }
.section--navy { background: var(--navy-800); color: #dbe6f2; }
.section--navy h1, .section--navy h2, .section--navy h3 { color: #fff; }
.section-head { max-width: 760px; margin-bottom: 44px; }
.section-head--center { margin-left: auto; margin-right: auto; text-align: center; }
.eyebrow {
  display: inline-block;
  font-family: var(--font-label);
  font-weight: 700;
  font-size: .78rem;
  letter-spacing: 1.6px;
  text-transform: uppercase;
  color: var(--green-700);
  margin-bottom: 10px;
}
.lead { font-size: 1.12rem; color: var(--ink-soft); }
.section--navy .lead { color: #b9c9db; }
.skip-link { position: absolute; left: -9999px; top: 0; background: var(--navy-800); color: #fff; padding: 10px 16px; z-index: 999; }
.skip-link:focus { left: 10px; top: 10px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: var(--font-label); font-weight: 700; font-size: .95rem;
  padding: 14px 24px; border-radius: 999px; border: 2px solid transparent;
  text-decoration: none; cursor: pointer; transition: .18s ease; line-height: 1.2;
}
.btn--primary { background: var(--green-700); color: #fff; }
.btn--primary:hover { background: var(--green-800); color: #fff; }
.btn--navy { background: var(--navy-800); color: #fff; }
.btn--navy:hover { background: var(--navy-700); color: #fff; }
.btn--ghost { border-color: currentColor; color: var(--navy-800); background: transparent; }
.btn--ghost:hover { background: var(--navy-800); color: #fff; border-color: var(--navy-800); }
.btn--ghost-light { border-color: rgba(255,255,255,.6); color: #fff; }
.btn--ghost-light:hover { background: #fff; color: var(--navy-800); }
.btn--sm { padding: 9px 16px; font-size: .85rem; }
.btn--block { width: 100%; }

/* ---------- Topbar & header ---------- */
.topbar { background: var(--navy-900); color: #b9c9db; font-size: .84rem; }
.topbar .container { display: flex; justify-content: space-between; align-items: center; gap: 16px; min-height: 38px; }
.topbar a { color: #fff; text-decoration: none; }
.topbar__alert strong { color: #9fd486; }
.topbar__links { display: flex; gap: 18px; align-items: center; }

.header { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.96); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.header .container { display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 76px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.brand img { width: 52px; height: auto; }
.brand__text { display: flex; flex-direction: column; line-height: 1; }
.brand__company { font-family: var(--font-label); font-weight: 700; font-size: .72rem; letter-spacing: 1.4px; color: var(--navy-800); }
.brand__domain { font-family: var(--font-head); font-weight: 700; font-size: 1.55rem; color: var(--navy-800); letter-spacing: .3px; margin-top: 3px; }
.brand__tag { font-family: var(--font-label); font-size: .62rem; font-weight: 600; letter-spacing: .8px; color: var(--green-700); margin-top: 3px; }

.nav { display: flex; align-items: center; gap: 4px; }
.nav a { font-family: var(--font-label); font-weight: 600; font-size: .9rem; color: var(--navy-800); text-decoration: none; padding: 10px 12px; border-radius: 8px; }
.nav a:hover, .nav a[aria-current="page"] { background: var(--green-100); color: var(--green-700); }
.header__actions { display: flex; align-items: center; gap: 12px; }
.lang-switch { display: inline-flex; border: 1px solid var(--line); border-radius: 999px; overflow: hidden; font-family: var(--font-label); font-size: .78rem; font-weight: 700; }
.lang-switch a { padding: 8px 12px; min-width: 40px; text-align: center; text-decoration: none; color: var(--ink-soft); }
.lang-switch a[aria-current="true"] { background: var(--navy-800); color: #fff; }
.nav-toggle { display: none; background: none; border: 0; padding: 8px; cursor: pointer; color: var(--navy-800); }
.nav-toggle svg { width: 28px; height: 28px; }

/* ---------- Hero ---------- */
.hero { position: relative; overflow: hidden; background: linear-gradient(135deg, var(--navy-900) 0%, var(--navy-800) 55%, #1d4a5a 100%); color: #dbe6f2; padding: 84px 0 0; }
.hero::before {
  content: ""; position: absolute; right: -180px; top: -120px; width: 620px; height: 620px; border-radius: 50%;
  background: radial-gradient(circle, rgba(101,153,79,.35) 0%, rgba(101,153,79,0) 65%);
}
.hero .container { position: relative; display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; }
.hero h1 { color: #fff; }
.hero h1 em { font-style: normal; color: #9fd486; }
.hero .lead { color: #c3d2e2; font-size: 1.15rem; max-width: 560px; }
.hero__badge { display: inline-flex; align-items: center; gap: 8px; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.18); padding: 6px 14px; border-radius: 999px; font-family: var(--font-label); font-size: .78rem; font-weight: 600; color: #fff; margin-bottom: 18px; }
.hero__badge .dot { width: 8px; height: 8px; border-radius: 50%; background: #9fd486; box-shadow: 0 0 0 4px rgba(159,212,134,.25); }
.hero__cta { display: flex; gap: 14px; flex-wrap: wrap; margin: 28px 0 36px; }
.hero__stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; padding: 22px 0 0; border-top: 1px solid rgba(255,255,255,.14); max-width: 560px; }
.hero__stats strong { display: block; font-family: var(--font-head); font-size: 2.1rem; color: #fff; line-height: 1; }
.hero__stats span { font-size: .84rem; color: #a9bdd2; }

.hero__visual { position: relative; align-self: end; }
.station-card { background: #fff; color: var(--ink); border-radius: var(--radius-lg) var(--radius-lg) 0 0; padding: 26px 26px 30px; box-shadow: var(--shadow-lg); }
.station-card__head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.station-card__head span { font-family: var(--font-label); font-weight: 700; font-size: .78rem; letter-spacing: 1px; color: var(--ink-soft); text-transform: uppercase; }
.pill { display: inline-flex; align-items: center; gap: 6px; font-family: var(--font-label); font-size: .72rem; font-weight: 700; padding: 4px 10px; border-radius: 999px; }
.pill--ok { background: var(--green-100); color: var(--green-700); }
.pill--warn { background: var(--amber-100); color: #7a4f0e; }
.pill--navy { background: var(--navy-100); color: var(--navy-800); }
.gauge-row { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin-bottom: 14px; }
.gauge { background: var(--bg-soft); border-radius: var(--radius); padding: 14px; }
.gauge small { font-family: var(--font-label); font-size: .72rem; color: var(--ink-soft); font-weight: 600; }
.gauge strong { display: block; font-family: var(--font-head); font-size: 1.9rem; color: var(--navy-800); line-height: 1.1; }
.gauge .bar { height: 6px; background: var(--line); border-radius: 6px; margin-top: 8px; overflow: hidden; }
.gauge .bar i { display: block; height: 100%; background: var(--green-500); border-radius: 6px; }
.station-card__foot { display: flex; align-items: center; gap: 10px; font-size: .85rem; color: var(--ink-soft); padding-top: 12px; border-top: 1px dashed var(--line); }
.station-card__foot svg { flex: none; color: var(--green-500); }

/* ---------- Countdown strip ---------- */
.countdown { background: var(--green-50); border-bottom: 1px solid var(--green-100); }
.countdown .container { display: grid; grid-template-columns: auto 1fr auto; gap: 28px; align-items: center; padding-top: 22px; padding-bottom: 22px; }
.countdown__num { display: flex; gap: 10px; }
.countdown__num div { text-align: center; background: #fff; border: 1px solid var(--green-100); border-radius: var(--radius); padding: 8px 14px; min-width: 76px; }
.countdown__num strong { display: block; font-family: var(--font-head); font-size: 2rem; color: var(--navy-800); line-height: 1; }
.countdown__num span { font-size: .72rem; font-family: var(--font-label); font-weight: 600; color: var(--ink-soft); }
.countdown__text { font-size: .98rem; }
.countdown__text strong { color: var(--navy-800); }
.quick-province { display: flex; gap: 8px; }
.quick-province select { min-width: 200px; }

/* ---------- Forms ---------- */
label { font-family: var(--font-label); font-weight: 600; font-size: .84rem; color: var(--navy-800); display: block; margin-bottom: 6px; }
input, select, textarea {
  width: 100%; font: inherit; font-size: 1rem; color: var(--ink);
  padding: 12px 14px; border: 1.5px solid var(--line); border-radius: var(--radius); background: #fff;
}
input:focus, select:focus, textarea:focus { border-color: var(--green-500); outline: none; box-shadow: 0 0 0 3px rgba(101,153,79,.18); }
.field { margin-bottom: 16px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-note { font-size: .82rem; color: var(--ink-soft); }
.field-error { display: none; align-items: center; gap: 6px; margin-top: 6px; font-size: .84rem; font-weight: 600; color: var(--red-600); }
.field-error::before { content: "!"; flex: none; width: 16px; height: 16px; border-radius: 50%; background: var(--red-600); color: #fff; font-size: .7rem; display: grid; place-items: center; }
.field.has-error .field-error { display: flex; }
.field.has-error input, .field.has-error select { border-color: var(--red-600); }
.error-summary { display: none; border: 2px solid var(--red-600); border-radius: var(--radius); padding: 14px 16px; margin-bottom: 18px; background: #fdf1f0; }
.error-summary.is-show { display: block; }
.error-summary h4 { font-family: var(--font-label); font-size: .95rem; color: var(--red-600); margin: 0 0 6px; }
.error-summary ul { margin: 0; padding-left: 18px; font-size: .9rem; }
.error-summary a { color: var(--red-600); font-weight: 600; }
.trust-badges { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 28px; }
.trust-badge { display: flex; gap: 12px; align-items: center; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; font-size: .9rem; font-weight: 600; color: var(--navy-800); }
.trust-badge svg { flex: none; width: 26px; height: 26px; color: var(--green-500); }
.form-msg { display: none; margin-top: 14px; padding: 14px; border-radius: var(--radius); background: var(--green-100); color: var(--green-700); font-weight: 600; }
.form-msg.is-show { display: block; }

/* ---------- Cards / grids ---------- */
.grid { display: grid; gap: 24px; }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 28px; transition: .2s ease; position: relative; }
.card:hover { box-shadow: var(--shadow); transform: translateY(-3px); border-color: transparent; }
.card p { color: var(--ink-soft); }
.card__icon { width: 54px; height: 54px; border-radius: 14px; display: grid; place-items: center; background: var(--green-100); color: var(--green-700); margin-bottom: 18px; }
.card__icon svg { width: 28px; height: 28px; }
.card__link { font-family: var(--font-label); font-weight: 700; font-size: .88rem; text-decoration: none; color: var(--green-700); }
.card__link::after { content: " →"; }
.card ul { padding-left: 18px; margin: 0 0 16px; color: var(--ink-soft); font-size: .95rem; }
.card ul li { margin-bottom: 4px; }

.persona { display: flex; flex-direction: column; text-decoration: none; color: inherit; overflow: hidden; padding: 0; }
.persona__top { background: var(--navy-800); color: #fff; padding: 26px 28px 22px; }
.persona__top h3 { color: #fff; margin-bottom: 4px; }
.persona__top small { font-family: var(--font-label); font-size: .76rem; color: #9fd486; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; }
.persona__body { padding: 22px 28px 28px; flex: 1; display: flex; flex-direction: column; }
.persona__body p { flex: 1; }
.persona:hover .persona__top { background: var(--green-700); }
.persona:hover .persona__top small { color: #fff; }

/* ---------- Process ---------- */
.steps { display: grid; grid-template-columns: repeat(6, 1fr); gap: 18px; counter-reset: step; position: relative; }
.steps::before { content: ""; position: absolute; top: 27px; left: 8%; right: 8%; height: 2px; background: repeating-linear-gradient(90deg, var(--green-500) 0 8px, transparent 8px 14px); }
.step { position: relative; text-align: center; }
.step__num { width: 56px; height: 56px; border-radius: 50%; margin: 0 auto 14px; display: grid; place-items: center; background: #fff; border: 2px solid var(--green-500); font-family: var(--font-head); font-size: 1.5rem; font-weight: 700; color: var(--navy-800); position: relative; }
.step h4 { font-size: 1.18rem; margin-bottom: 6px; }
.step p { font-size: .88rem; color: var(--ink-soft); margin: 0; }

/* ---------- Timeline ---------- */
.timeline { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; position: relative; }
.timeline::before { content: ""; position: absolute; left: 0; right: 0; top: 13px; height: 3px; background: rgba(255,255,255,.18); }
.tl-item { position: relative; padding-top: 40px; padding-right: 18px; }
.tl-item::before { content: ""; position: absolute; top: 4px; left: 0; width: 22px; height: 22px; border-radius: 50%; background: var(--navy-800); border: 3px solid #9fd486; }
.tl-item--active::before { background: #9fd486; box-shadow: 0 0 0 6px rgba(159,212,134,.25); }
.tl-item time { display: block; font-family: var(--font-head); font-size: 1.6rem; font-weight: 700; color: #fff; }
.tl-item h4 { color: #9fd486; font-size: 1.05rem; font-family: var(--font-label); font-weight: 700; margin: 4px 0 8px; }
.tl-item p { font-size: .9rem; color: #b9c9db; margin: 0; }
.tl-item cite { display: block; margin-top: 8px; font-style: normal; font-size: .75rem; font-family: var(--font-label); color: #7f97b0; }

/* ---------- ROI mini / tools ---------- */
.roi { display: grid; grid-template-columns: 1fr 1fr; gap: 0; background: #fff; border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); overflow: hidden; }
.roi__inputs { padding: 36px; }
.roi__result { padding: 36px; background: var(--navy-800); color: #c3d2e2; display: flex; flex-direction: column; justify-content: center; }
.roi__result h3 { color: #fff; }
.roi__big { font-family: var(--font-head); font-size: 3.6rem; color: #9fd486; line-height: 1; font-weight: 700; }
.roi__rows { margin: 22px 0; }
.roi__rows div { display: flex; justify-content: space-between; padding: 9px 0; border-bottom: 1px solid rgba(255,255,255,.1); font-size: .95rem; }
.roi__rows strong { color: #fff; }
.range { margin-bottom: 22px; }
.range__head { display: flex; justify-content: space-between; align-items: baseline; }
.range__head output { font-family: var(--font-head); font-size: 1.35rem; font-weight: 700; color: var(--navy-800); }
input[type="range"] { padding: 0; border: 0; height: 28px; accent-color: var(--green-500); background: transparent; box-shadow: none; }
.disclaimer { font-size: .8rem; color: var(--ink-soft); margin-top: 8px; }
.roi__result .disclaimer { color: #8ea5bd; }

/* ---------- Legal docs ---------- */
.doc-card { display: flex; flex-direction: column; gap: 10px; }
.doc-card__meta { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.doc-card__no { font-family: var(--font-label); font-weight: 700; font-size: .8rem; color: var(--navy-700); }
.doc-card h3 { font-family: var(--font-body); font-size: 1.05rem; font-weight: 600; line-height: 1.45; margin: 0; }
.doc-card p { font-size: .9rem; margin: 0; }
.doc-card__foot { margin-top: auto; padding-top: 12px; display: flex; justify-content: space-between; align-items: center; font-size: .82rem; color: var(--ink-soft); border-top: 1px solid var(--line); }

.doc-filters { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 28px; }
.doc-filters input { flex: 1 1 260px; }
.doc-filters select { flex: 0 1 220px; }
.doc-list { display: grid; gap: 16px; }
.doc-row { display: grid; grid-template-columns: 170px 1fr auto; gap: 24px; align-items: start; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 24px; }
.doc-row__no { font-family: var(--font-head); font-weight: 700; font-size: 1.3rem; color: var(--navy-800); line-height: 1.2; }
.doc-row__no small { display: block; font-family: var(--font-label); font-size: .74rem; color: var(--ink-soft); font-weight: 600; margin-top: 4px; }
.doc-row h3 { font-family: var(--font-body); font-size: 1.08rem; font-weight: 600; margin-bottom: 6px; line-height: 1.45; }
.doc-row details { margin-top: 10px; }
.doc-row summary { cursor: pointer; font-family: var(--font-label); font-weight: 700; font-size: .84rem; color: var(--green-700); }
.doc-row details ul { margin: 10px 0 0; padding-left: 18px; color: var(--ink-soft); font-size: .93rem; }
.doc-row__side { display: flex; flex-direction: column; align-items: flex-end; gap: 10px; min-width: 130px; }
.empty { text-align: center; padding: 40px; color: var(--ink-soft); display: none; }

/* ---------- Stats / partners ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.stat { text-align: center; padding: 26px 12px; border-radius: var(--radius-lg); background: #fff; border: 1px solid var(--line); }
.stat strong { display: block; font-family: var(--font-head); font-size: 2.8rem; color: var(--green-700); line-height: 1; }
.stat span { font-size: .92rem; color: var(--ink-soft); }
.placeholder-note { font-size: .8rem; color: var(--amber-600); font-family: var(--font-label); font-weight: 600; }
.partners { display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px; margin-top: 36px; }
.partners div { height: 72px; border: 1.5px dashed var(--line); border-radius: var(--radius); display: grid; place-items: center; font-family: var(--font-label); font-size: .76rem; color: #6b7785; font-weight: 600; }

/* ---------- FAQ ---------- */
.faq { max-width: 860px; margin: 0 auto; }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { list-style: none; cursor: pointer; padding: 20px 40px 20px 0; position: relative; font-weight: 600; color: var(--navy-800); font-size: 1.05rem; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 6px; top: 14px; font-size: 1.7rem; color: var(--green-500); font-weight: 400; transition: .2s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details > div { padding: 0 0 20px; color: var(--ink-soft); }

/* ---------- Contact ---------- */
.contact { display: grid; grid-template-columns: .9fr 1.1fr; gap: 48px; align-items: start; }
.contact__info { list-style: none; padding: 0; margin: 28px 0 0; }
.contact__info li { display: flex; gap: 14px; margin-bottom: 18px; align-items: flex-start; }
.contact__info svg { flex: none; width: 22px; height: 22px; color: #9fd486; margin-top: 3px; }
.contact__info strong { display: block; color: #fff; font-family: var(--font-label); font-size: .82rem; }
.form-card { background: #fff; color: var(--ink); border-radius: var(--radius-lg); padding: 34px; box-shadow: var(--shadow-lg); }
.form-card h3, .section--navy .form-card h3 { margin-bottom: 4px; color: var(--navy-800); }
.choice-group { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.choice-group input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.choice-group label { margin: 0; text-align: center; border: 1.5px solid var(--line); border-radius: var(--radius); padding: 11px 6px; cursor: pointer; font-size: .82rem; color: var(--ink-soft); }
.choice-group input:checked + label { border-color: var(--green-500); background: var(--green-50); color: var(--green-700); }
.choice-group input:focus-visible + label { outline: 3px solid var(--green-500); outline-offset: 2px; }

/* ---------- Page hero (sub pages) ---------- */
.page-hero { background: linear-gradient(135deg, var(--navy-900), var(--navy-800)); color: #c3d2e2; padding: 64px 0 56px; }
.page-hero h1 { color: #fff; font-size: clamp(2.1rem, 4.4vw, 3.2rem); }
.page-hero .lead { color: #c3d2e2; max-width: 720px; }
.breadcrumb { font-family: var(--font-label); font-size: .8rem; margin-bottom: 14px; color: #8ea5bd; }
.breadcrumb a { color: #c3d2e2; text-decoration: none; }
.tool-tabs { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 28px; }
.tool-tabs a { font-family: var(--font-label); font-weight: 700; font-size: .85rem; text-decoration: none; color: #fff; padding: 10px 16px; border-radius: 999px; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.18); }
.tool-tabs a:hover { background: var(--green-700); border-color: var(--green-700); }

.tool { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 36px; scroll-margin-top: 100px; }
.tool + .tool { margin-top: 32px; }
.tool__head { display: flex; gap: 18px; align-items: flex-start; margin-bottom: 26px; }
.tool__head .card__icon { margin: 0; flex: none; }
.tool__head p { margin: 0; color: var(--ink-soft); }
.tool-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: start; }
.result-box { background: var(--bg-soft); border-radius: var(--radius-lg); padding: 26px; border: 1px solid var(--line); }
.result-box h4 { font-family: var(--font-label); font-size: .82rem; letter-spacing: 1px; text-transform: uppercase; color: var(--ink-soft); margin-bottom: 10px; }
.result-box .big { font-family: var(--font-head); font-size: 2.4rem; color: var(--navy-800); line-height: 1.05; font-weight: 700; }
.result-box dl { display: grid; grid-template-columns: auto 1fr; gap: 8px 16px; margin: 16px 0 0; font-size: .95rem; }
.result-box dt { color: var(--ink-soft); }
.result-box dd { margin: 0; font-weight: 600; color: var(--navy-800); text-align: right; }
.checklist { list-style: none; padding: 0; margin: 0; }
.checklist li { border: 1px solid var(--line); border-radius: var(--radius); margin-bottom: 10px; }
.checklist label { display: flex; gap: 12px; align-items: flex-start; padding: 14px 16px; margin: 0; cursor: pointer; font-family: var(--font-body); font-weight: 500; font-size: .95rem; color: var(--ink); }
.checklist input { width: 20px; height: 20px; flex: none; margin-top: 2px; accent-color: var(--green-500); }
.checklist small { display: block; color: var(--ink-soft); font-size: .82rem; font-weight: 400; }
.meter { height: 12px; background: var(--line); border-radius: 12px; overflow: hidden; margin: 14px 0; }
.meter i { display: block; height: 100%; width: 0; background: var(--green-500); transition: width .3s; }
.missing { padding-left: 18px; font-size: .9rem; color: var(--ink-soft); }
.level-table { width: 100%; border-collapse: collapse; font-size: .92rem; margin-top: 8px; }
.level-table th, .level-table td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); }
.level-table th { font-family: var(--font-label); font-size: .76rem; text-transform: uppercase; letter-spacing: .8px; color: var(--ink-soft); }
.level-table td:first-child { white-space: nowrap; }
.level-table tr.is-hit td { background: var(--green-50); font-weight: 600; color: var(--green-700); }
.table-wrap { overflow-x: auto; }

/* ---------- News ---------- */
.news-toolbar { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; margin-bottom: 24px; }
.chips { display: flex; gap: 8px; flex-wrap: wrap; }
.chip { font-family: var(--font-label); font-weight: 700; font-size: .84rem; padding: 9px 16px; min-height: 40px; border-radius: 999px; border: 1.5px solid var(--line); background: #fff; color: var(--navy-800); cursor: pointer; transition: .18s ease; }
.chip:hover { border-color: var(--green-700); color: var(--green-700); }
.chip[aria-pressed="true"] { background: var(--navy-800); border-color: var(--navy-800); color: #fff; }
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.news-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; transition: .2s ease; }
.news-card:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
.news-card__link { display: flex; flex-direction: column; height: 100%; color: inherit; text-decoration: none; }
.news-card__link:hover { color: inherit; }
.news-card__body { padding: 22px 24px 26px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.news-card h3 { font-size: 1.4rem; margin: 0; }
.news-card p { color: var(--ink-soft); font-size: .94rem; margin: 0; flex: 1; }
.news-card--featured .news-card__link { display: grid; grid-template-columns: 1.1fr 1fr; }
.news-card--featured h3 { font-size: clamp(1.6rem, 3vw, 2.2rem); }
.news-card--featured .news-card__body { padding: 32px; justify-content: center; }
.news-meta { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; font-size: .82rem; color: var(--ink-soft); font-family: var(--font-label); font-weight: 600; }
.news-meta--light { color: #b9c9db; margin-top: 18px; }
.news-cover { position: relative; aspect-ratio: 16 / 9; max-width: 100%; background: var(--navy-800); display: flex; flex-direction: column; justify-content: space-between; padding: 18px 20px; overflow: hidden; color: #fff; }
.news-cover img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.news-cover::after { content: ""; position: absolute; right: -40px; bottom: -60px; width: 200px; height: 200px; border-radius: 50%; border: 22px solid rgba(101,153,79,.55); border-left-color: transparent; border-bottom-color: transparent; transform: rotate(10deg); }
.news-cover--lg { aspect-ratio: auto; min-height: 280px; }
.news-cover__cat { font-family: var(--font-label); font-size: .72rem; font-weight: 700; letter-spacing: 1.4px; text-transform: uppercase; color: #9fd486; position: relative; z-index: 1; }
.news-cover__mark { font-family: var(--font-head); font-weight: 700; font-size: clamp(1.6rem, 3.4vw, 2.4rem); line-height: 1.05; max-width: 80%; position: relative; z-index: 1; text-wrap: balance; }
.news-cover--huong-dan { background: linear-gradient(135deg, var(--navy-800), #1d4a5a); }
.news-cover--dau-tu { background: linear-gradient(135deg, var(--green-800), var(--navy-800)); }
.news-cover--tin-thi-truong { background: linear-gradient(135deg, var(--navy-700), var(--navy-900)); }

/* ---------- Article ---------- */
.article-hero h1 { max-width: 900px; text-wrap: balance; }
.article-layout { display: grid; grid-template-columns: 260px minmax(0, 1fr); gap: 56px; align-items: start; }
.article-toc { position: sticky; top: 100px; font-size: .9rem; }
.article-toc h2 { font-family: var(--font-label); font-size: .76rem; letter-spacing: 1.4px; text-transform: uppercase; color: var(--ink-soft); margin-bottom: 12px; }
.article-toc ol { list-style: none; padding: 0; margin: 0 0 22px; border-left: 2px solid var(--line); }
.article-toc li a { display: block; padding: 7px 0 7px 14px; margin-left: -2px; border-left: 2px solid transparent; color: var(--ink-soft); text-decoration: none; line-height: 1.4; }
.article-toc li a:hover { color: var(--green-700); border-left-color: var(--green-500); }
.prose { max-width: 740px; font-size: 1.06rem; line-height: 1.75; }
.prose h2 { font-size: clamp(1.7rem, 3vw, 2.1rem); margin: 1.8em 0 .5em; text-wrap: balance; }
.prose h2:first-child { margin-top: 0; }
.prose h3 { font-size: 1.4rem; margin: 1.5em 0 .4em; }
.prose p, .prose ul, .prose ol { margin: 0 0 1.1em; }
.prose li { margin-bottom: .4em; }
.prose a { color: var(--green-700); font-weight: 600; text-underline-offset: 3px; }
.prose a.btn { color: #fff; text-decoration: none; }
.prose strong { color: var(--navy-800); }
.prose code { font-size: .92em; background: var(--bg-soft); padding: 2px 6px; border-radius: 4px; }
.prose blockquote { margin: 1.4em 0; padding: 4px 0 4px 20px; border-left: 4px solid var(--green-500); color: var(--ink-soft); font-style: italic; }
.prose table { width: 100%; border-collapse: collapse; font-size: .95rem; margin: 0 0 1.4em; }
.prose th, .prose td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
.prose th { font-family: var(--font-label); font-size: .78rem; text-transform: uppercase; letter-spacing: .8px; color: var(--ink-soft); background: var(--bg-soft); }
.prose td { font-variant-numeric: tabular-nums; }
.callout { margin: 1.4em 0; padding: 16px 20px; border-radius: var(--radius); border-left: 4px solid; }
.callout strong { display: block; font-family: var(--font-label); font-size: .82rem; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 4px; }
.callout p { margin: 0; font-size: .98rem; }
.callout--note { background: var(--navy-100); border-color: var(--navy-700); }
.callout--note strong { color: var(--navy-800); }
.callout--tip { background: var(--green-50); border-color: var(--green-500); }
.callout--tip strong { color: var(--green-700); }
.callout--warning { background: var(--amber-100); border-color: var(--amber-600); }
.callout--warning strong { color: #7a4f0e; }
.article-cta { margin: 2.4em 0 1.2em; padding: 28px; border-radius: var(--radius-lg); background: var(--navy-800); color: #c3d2e2; display: flex; gap: 20px; align-items: center; justify-content: space-between; flex-wrap: wrap; }
.article-cta h2 { color: #fff; font-size: 1.6rem; margin: 0 0 4px; }
.article-cta p { margin: 0; font-size: .95rem; }

/* ---------- Section head split ---------- */
.section-head--split { display: flex; justify-content: space-between; align-items: end; gap: 20px; flex-wrap: wrap; max-width: none; }
.section-head--split > div { max-width: 640px; }
.section-head--split .lead { margin: 0; }
.svc-card { text-decoration: none; color: inherit; display: block; }
.svc-card:hover { color: inherit; }

/* ---------- Dịch vụ chi tiết ---------- */
.svc-rows { display: grid; gap: 72px; }
.svc-row { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: start; scroll-margin-top: 110px; }
.svc-row--alt .svc-row__text { order: 2; }
.svc-row h2 { margin-bottom: .3em; }
.svc-row__cta { display: flex; gap: 20px; align-items: center; flex-wrap: wrap; margin-top: 20px; }
.svc-row__list { padding: 30px; }
.svc-row__list:hover { transform: none; }
.ticks { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.ticks li { position: relative; padding-left: 32px; color: var(--ink); }
.ticks li::before { content: ""; position: absolute; left: 0; top: 3px; width: 20px; height: 20px; border-radius: 50%; background: var(--green-100) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%234d7a3a' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12.5l4 4L19 7'/%3E%3C/svg%3E") center / 13px no-repeat; }

/* ---------- Giới thiệu ---------- */
.about { display: grid; grid-template-columns: .8fr 1.2fr; gap: 56px; align-items: center; }
.about__logo { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 32px; }

/* ---------- Sản phẩm ---------- */
.product-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 24px; }
.product-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; transition: .2s ease; }
.product-card:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
.product-card__link { display: flex; flex-direction: column; height: 100%; color: inherit; text-decoration: none; }
.product-card__link:hover { color: inherit; }
.product-card__body { padding: 20px 22px 22px; display: flex; flex-direction: column; gap: 10px; flex: 1; align-items: flex-start; }
.product-card h3 { font-size: 1.35rem; margin: 0; }
.product-card p { margin: 0; color: var(--ink-soft); font-size: .92rem; }
.product-card__hl { margin: 0; padding-left: 18px; font-size: .86rem; color: var(--ink-soft); flex: 1; }
.product-card__foot { width: 100%; display: flex; justify-content: space-between; align-items: center; gap: 10px; padding-top: 12px; border-top: 1px solid var(--line); margin-top: auto; }
.product-price { font-family: var(--font-head); font-weight: 700; font-size: 1.25rem; color: var(--navy-800); }
.product-visual { position: relative; aspect-ratio: 4 / 3; max-width: 100%; background: linear-gradient(160deg, var(--navy-100), #fff 70%); display: grid; place-items: center; overflow: hidden; color: var(--navy-800); }
.product-visual img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; padding: 12px; background: #fff; }
.product-visual svg { width: 34%; height: auto; color: var(--navy-700); }
.product-visual span { position: absolute; left: 14px; bottom: 12px; font-family: var(--font-label); font-size: .7rem; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; color: var(--green-700); background: #fff; padding: 4px 10px; border-radius: 999px; border: 1px solid var(--line); }
.product-visual--goi-tram-tron-goi { background: linear-gradient(160deg, var(--green-100), #fff 70%); }
.product-visual--goi-tram-tron-goi svg { color: var(--green-700); }
.product-visual--phan-mem { background: linear-gradient(160deg, #e3eef4, #fff 70%); }
.product-visual--lg { border-radius: var(--radius-lg); border: 1px solid var(--line); aspect-ratio: 1 / 1; }
.product-top { padding: 40px 0 64px; }
.breadcrumb--dark { color: var(--ink-soft); margin-bottom: 24px; }
.breadcrumb--dark a { color: var(--navy-700); }
.product-hero { display: grid; grid-template-columns: .95fr 1.05fr; gap: 48px; align-items: start; }
.product-summary { display: flex; flex-direction: column; gap: 14px; align-items: flex-start; }
.product-summary h1 { font-size: clamp(2rem, 4vw, 3rem); margin: 0; text-wrap: balance; }
.product-summary .lead { margin: 0; }
.product-hl { margin: 0; padding: 0; list-style: none; display: grid; gap: 8px; }
.product-hl li { position: relative; padding-left: 28px; font-weight: 500; }
.product-hl li::before { content: ""; position: absolute; left: 0; top: 4px; width: 18px; height: 18px; border-radius: 50%; background: var(--green-700) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23fff' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12.5l4 4L19 7'/%3E%3C/svg%3E") center / 12px no-repeat; }
.product-specs { width: 100%; margin: 4px 0 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.product-specs div { padding: 10px 14px; border-bottom: 1px solid var(--line); min-width: 0; }
.product-specs div:nth-child(odd) { border-right: 1px solid var(--line); }
.product-specs dt { font-family: var(--font-label); font-size: .7rem; font-weight: 700; letter-spacing: .8px; text-transform: uppercase; color: var(--ink-soft); }
.product-specs dd { margin: 2px 0 0; font-weight: 600; color: var(--navy-800); overflow-wrap: anywhere; }
.product-buy { width: 100%; display: flex; gap: 12px; align-items: center; flex-wrap: wrap; padding: 18px; background: var(--bg-soft); border-radius: var(--radius); margin-top: 6px; }
.product-buy > div { margin-right: auto; }
.product-buy small { display: block; font-family: var(--font-label); font-size: .72rem; color: var(--ink-soft); font-weight: 700; text-transform: uppercase; letter-spacing: 1px; }
.product-buy strong { font-family: var(--font-head); font-size: 1.8rem; color: var(--navy-800); line-height: 1; }
.product-layout { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 48px; align-items: start; }
.product-layout .prose { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 36px; max-width: none; }
.product-aside { position: sticky; top: 100px; }
.product-aside .card:hover { transform: none; }

/* ---------- Notice ---------- */
.notice { display: flex; gap: 14px; background: var(--amber-100); border-left: 4px solid var(--amber-600); padding: 16px 20px; border-radius: 0 var(--radius) var(--radius) 0; font-size: .92rem; color: #6b4a12; }
.notice svg { flex: none; width: 22px; height: 22px; color: var(--amber-600); margin-top: 2px; }

/* ---------- CTA band ---------- */
.cta-band { background: linear-gradient(120deg, var(--green-800), var(--green-700)); color: #fff; border-radius: var(--radius-lg); padding: 40px 44px; display: flex; justify-content: space-between; align-items: center; gap: 24px; }
.cta-band h2 { color: #fff; margin: 0 0 6px; font-size: 2rem; }
.cta-band p { margin: 0; color: #f0f7ec; }
.cta-band .btn--navy { flex: none; }

/* ---------- Footer ---------- */
.footer { background: var(--navy-900); color: #93a8be; padding: 64px 0 0; font-size: .92rem; }
.footer__grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 36px; }
.footer h4 { color: #fff; font-family: var(--font-label); font-size: .82rem; letter-spacing: 1.2px; text-transform: uppercase; margin-bottom: 16px; }
.footer ul { list-style: none; padding: 0; margin: 0; }
.footer li { margin-bottom: 9px; }
.footer a { color: #c3d2e2; text-decoration: none; }
.footer a:hover { color: #9fd486; }
.footer__brand { display: inline-block; background: #fff; border-radius: var(--radius); padding: 12px 16px; margin-bottom: 18px; }
.footer__brand img { width: 220px; }
.footer__bottom { margin-top: 48px; border-top: 1px solid rgba(255,255,255,.08); padding: 20px 0; display: flex; justify-content: space-between; gap: 16px; font-size: .82rem; flex-wrap: wrap; }

/* ---------- Floating actions ---------- */
.fab { position: fixed; right: 18px; bottom: 22px; display: flex; flex-direction: column; gap: 12px; z-index: 60; }
.fab a { width: 54px; height: 54px; border-radius: 50%; display: grid; place-items: center; box-shadow: var(--shadow-lg); color: #fff; text-decoration: none; font-family: var(--font-label); font-weight: 800; font-size: .72rem; }
.fab__zalo { background: #0068ff; }
.fab__call { background: var(--green-500); }
.fab svg { width: 24px; height: 24px; }
.mobile-bar { display: none; }

/* ---------- Reveal ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } html { scroll-behavior: auto; } }

/* ---------- Responsive ---------- */
@media (max-width: 1240px) {
  .nav { display: none; }
  .nav.is-open { display: flex; position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; align-items: stretch; background: #fff; padding: 12px 20px 20px; border-bottom: 1px solid var(--line); box-shadow: var(--shadow); }
  .nav.is-open a { padding: 14px 12px; border-bottom: 1px solid var(--line); }
  .nav-toggle { display: block; }
  .steps { grid-template-columns: repeat(3, 1fr); row-gap: 36px; }
  .steps::before { display: none; }
  .partners { grid-template-columns: repeat(3, 1fr); }
  .trust-badges { grid-template-columns: repeat(2, 1fr); }
  .article-layout { grid-template-columns: 1fr; gap: 28px; }
  .product-layout { grid-template-columns: 1fr; }
  .product-aside { position: static; }
  .article-toc { position: static; }
}
@media (max-width: 900px) {
  .section { padding: 64px 0; }
  .hero { padding-top: 56px; }
  .hero .container, .roi, .contact, .tool-grid { grid-template-columns: 1fr; }
  .hero__visual { max-width: 520px; }
  .grid--3, .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .timeline { grid-template-columns: 1fr; gap: 26px; padding-left: 8px; }
  .timeline::before { left: 18px; right: auto; top: 0; bottom: 0; width: 3px; height: auto; }
  .tl-item { padding: 0 0 0 46px; }
  .tl-item::before { top: 6px; left: 0; }
  .countdown .container { grid-template-columns: 1fr; gap: 14px; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .cta-band { flex-direction: column; align-items: flex-start; padding: 32px 26px; }
  .doc-row { grid-template-columns: 1fr; gap: 12px; }
  .doc-row__side { flex-direction: row; align-items: center; justify-content: space-between; }
  .news-grid { grid-template-columns: repeat(2, 1fr); }
  .svc-row, .about, .product-hero { grid-template-columns: 1fr; gap: 28px; }
  .svc-row--alt .svc-row__text { order: 0; }
  .product-visual--lg { aspect-ratio: 16 / 10; }
  .news-card--featured .news-card__link { grid-template-columns: 1fr; }
  .news-cover--lg { min-height: 0; aspect-ratio: 16 / 9; }
  .topbar__alert { display: none; }
}
@media (max-width: 640px) {
  body { font-size: 15.5px; padding-bottom: 64px; }
  .container { padding: 0 16px; }
  .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  .hero__stats strong { font-size: 1.7rem; }
  .field-row, .choice-group { grid-template-columns: 1fr; }
  .brand img { width: 42px; }
  .brand__domain { font-size: 1.25rem; }
  .brand__tag { display: none; }
  .header__actions .btn { display: none; }
  .topbar { display: none; }
  .quick-province { flex-direction: column; }
  .quick-province select { min-width: 0; }
  .countdown__num div { min-width: 0; flex: 1; }
  .roi__inputs, .roi__result, .form-card, .tool { padding: 24px 20px; }
  .footer__grid { grid-template-columns: 1fr; }
  .partners { grid-template-columns: repeat(2, 1fr); }
  .trust-badges { grid-template-columns: 1fr; }
  .news-grid { grid-template-columns: 1fr; }
  .product-specs { grid-template-columns: 1fr; }
  .product-specs div:nth-child(odd) { border-right: 0; }
  .product-layout .prose { padding: 22px 18px; }
  .svc-row__list { padding: 22px; }
  .news-card--featured .news-card__body { padding: 22px 24px 26px; }
  .prose { font-size: 1rem; }
  .fab { display: none; }
  .mobile-bar { display: grid; grid-template-columns: 1fr 1fr 1.3fr; position: fixed; left: 0; right: 0; bottom: 0; z-index: 70; background: #fff; border-top: 1px solid var(--line); box-shadow: 0 -6px 20px rgba(17,46,78,.08); }
  .mobile-bar a { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px; padding: 8px 4px; font-family: var(--font-label); font-weight: 700; font-size: .72rem; color: var(--navy-800); text-decoration: none; min-height: 60px; }
  .mobile-bar a svg { width: 22px; height: 22px; }
  .mobile-bar a.is-primary { background: var(--green-700); color: #fff; }
}
@media (max-width: 400px) {
  .brand { gap: 8px; }
  .brand__domain { font-size: 1.08rem; }
  .brand__company { font-size: .62rem; }
  .header__actions { gap: 6px; }
}