/* =========================================================
   SENPOS — Phần mềm quản lý bán hàng
   Pure HTML/CSS, no framework
   ========================================================= */

:root {
  --blue-700: #0b4f8a;
  --blue-600: #0e6cc0;
  --blue-500: #1688e0;
  --blue-50:  #eef6fd;
  --green-600: #3d9a3d;
  --green-500: #55b649;
  --green-50:  #eef8ec;
  --amber-500: #f0a020;

  --ink-900: #0f1b2d;
  --ink-700: #2b3a50;
  --ink-500: #5b6b82;
  --ink-300: #a6b2c3;
  --line:    #e3e9f1;
  --bg:      #ffffff;
  --bg-soft: #f6f9fc;

  --brand-gradient: linear-gradient(135deg, var(--blue-600) 0%, var(--green-500) 100%);

  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 22px;
  --shadow-sm: 0 1px 2px rgba(15, 27, 45, .06), 0 2px 8px rgba(15, 27, 45, .04);
  --shadow:    0 6px 24px rgba(15, 27, 45, .08);
  --shadow-lg: 0 24px 60px rgba(14, 108, 192, .18);

  --container: 1200px;
  --header-h: 72px;
}

*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); }

body {
  margin: 0;
  font-family: "Be Vietnam Pro", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink-700);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: var(--blue-600); text-decoration: none; }
a:hover { color: var(--blue-700); }
h1, h2, h3, h4 { color: var(--ink-900); line-height: 1.25; margin: 0 0 .5em; font-weight: 700; }
p { margin: 0 0 1em; }
ul { margin: 0; padding: 0; list-style: none; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; }

.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-link {
  position: absolute; left: 16px; top: -48px; z-index: 200;
  background: var(--ink-900); color: #fff; padding: 10px 16px; border-radius: var(--radius-sm);
}
.skip-link:focus { top: 12px; color: #fff; }

:focus-visible { outline: 3px solid rgba(22, 136, 224, .45); outline-offset: 2px; border-radius: 6px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 22px; border-radius: 999px; border: 1.5px solid transparent;
  font: inherit; font-weight: 600; font-size: 15px; line-height: 1.2;
  cursor: pointer; transition: transform .15s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
  white-space: nowrap;
}
.btn svg { width: 18px; height: 18px; flex: none; }
.btn-primary { background: var(--brand-gradient); color: #fff; box-shadow: 0 8px 20px rgba(14, 108, 192, .25); }
.btn-primary:hover { color: #fff; transform: translateY(-1px); box-shadow: 0 12px 28px rgba(14, 108, 192, .32); }
.btn-outline { border-color: var(--line); color: var(--ink-900); background: #fff; }
.btn-outline:hover { border-color: var(--blue-500); color: var(--blue-600); }
.btn-light { background: #fff; color: var(--blue-700); }
.btn-light:hover { color: var(--blue-700); transform: translateY(-1px); }
.btn-ghost-light { border-color: rgba(255,255,255,.5); color: #fff; }
.btn-ghost-light:hover { background: rgba(255,255,255,.12); color: #fff; }
.btn-block { width: 100%; }
.btn-lg { padding: 15px 28px; font-size: 16px; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 255, 255, .9);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s, box-shadow .2s;
}
.site-header.is-scrolled { border-bottom-color: var(--line); box-shadow: var(--shadow-sm); }
.header-inner { height: var(--header-h); display: flex; align-items: center; gap: 24px; }
.brand img { height: 46px; width: auto; }

.main-nav { flex: 1; }
.main-nav ul { display: flex; gap: 4px; justify-content: center; }
.main-nav a {
  display: block; padding: 8px 12px; border-radius: 999px; white-space: nowrap;
  color: var(--ink-700); font-weight: 500; font-size: 15px;
}
.main-nav a:hover, .main-nav a.is-active { color: var(--blue-600); background: var(--blue-50); }

.header-actions { display: flex; align-items: center; gap: 12px; }
.header-phone { display: flex; align-items: center; gap: 8px; color: var(--ink-900); font-weight: 600; font-size: 15px; }
.header-phone svg { width: 18px; height: 18px; color: var(--green-600); }

.nav-toggle {
  display: none; width: 44px; height: 44px; border: 1px solid var(--line); border-radius: 12px;
  background: #fff; cursor: pointer; align-items: center; justify-content: center; padding: 0;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  display: block; width: 18px; height: 2px; background: var(--ink-900); border-radius: 2px;
  position: relative; transition: transform .2s, background .2s;
}
.nav-toggle span::before, .nav-toggle span::after { content: ""; position: absolute; left: 0; }
.nav-toggle span::before { top: -6px; }
.nav-toggle span::after { top: 6px; }
.nav-open .nav-toggle span { background: transparent; }
.nav-open .nav-toggle span::before { transform: translateY(6px) rotate(45deg); }
.nav-open .nav-toggle span::after { transform: translateY(-6px) rotate(-45deg); }

/* ---------- Section commons ---------- */
.section { padding: 96px 0; }
.section-soft { background: var(--bg-soft); }
.section-head { max-width: 720px; margin: 0 auto 56px; text-align: center; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
  color: var(--blue-600); background: var(--blue-50);
  padding: 6px 14px; border-radius: 999px; margin-bottom: 16px;
}
.section-title { font-size: clamp(28px, 3.4vw, 40px); letter-spacing: -.02em; }
.section-lead { font-size: 18px; color: var(--ink-500); margin: 0; }
.text-gradient { background: var(--brand-gradient); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  padding: 72px 0 96px;
  background:
    radial-gradient(900px 500px at 85% -10%, rgba(85, 182, 73, .14), transparent 60%),
    radial-gradient(800px 500px at -10% 20%, rgba(22, 136, 224, .12), transparent 60%),
    var(--bg);
}
.hero-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items: center; }
.hero h1 { font-size: clamp(34px, 4.6vw, 56px); letter-spacing: -.03em; margin-bottom: 20px; }
.hero-lead { font-size: 19px; color: var(--ink-500); max-width: 560px; margin-bottom: 32px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 40px; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 10px; margin-bottom: 24px;
  padding: 6px 14px 6px 6px; border-radius: 999px; background: #fff; border: 1px solid var(--line);
  font-size: 14px; color: var(--ink-700); box-shadow: var(--shadow-sm);
}
.hero-badge b { background: var(--green-50); color: var(--green-600); font-size: 12px; padding: 3px 10px; border-radius: 999px; }

.hero-stats { display: flex; gap: 36px; flex-wrap: wrap; }
.hero-stats div { display: flex; flex-direction: column; }
.hero-stats strong { font-size: 28px; color: var(--ink-900); line-height: 1.1; letter-spacing: -.02em; }
.hero-stats span { font-size: 14px; color: var(--ink-500); }

/* Dashboard mock */
.mock { position: relative; }
.mock-window {
  background: #fff; border-radius: var(--radius-lg); border: 1px solid var(--line);
  box-shadow: var(--shadow-lg); overflow: hidden;
}
.mock-bar { display: flex; align-items: center; gap: 6px; padding: 12px 16px; border-bottom: 1px solid var(--line); background: var(--bg-soft); }
.mock-bar i { width: 10px; height: 10px; border-radius: 50%; background: #e1e6ee; }
.mock-bar i:nth-child(1) { background: #ff6159; }
.mock-bar i:nth-child(2) { background: #ffbd2e; }
.mock-bar i:nth-child(3) { background: #28c941; }
.mock-bar span { margin-left: 12px; font-size: 12px; color: var(--ink-300); }
.mock-body { display: grid; grid-template-columns: 56px 1fr; min-height: 340px; }
.mock-side { background: var(--ink-900); padding: 16px 0; display: flex; flex-direction: column; align-items: center; gap: 14px; }
.mock-side i { width: 22px; height: 22px; border-radius: 6px; background: rgba(255,255,255,.14); }
.mock-side i:first-child { background: var(--brand-gradient); }
.mock-main { padding: 20px; }
.mock-kpis { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 16px; }
.kpi { border: 1px solid var(--line); border-radius: 12px; padding: 12px; }
.kpi small { display: block; font-size: 11px; color: var(--ink-500); }
.kpi b { display: block; font-size: 17px; color: var(--ink-900); margin: 2px 0; }
.kpi em { font-style: normal; font-size: 11px; color: var(--green-600); font-weight: 600; }
.mock-chart { border: 1px solid var(--line); border-radius: 12px; padding: 14px; }
.mock-chart-head { display: flex; justify-content: space-between; font-size: 12px; color: var(--ink-500); margin-bottom: 10px; }
.mock-chart-head b { color: var(--ink-900); }
.bars { display: flex; align-items: flex-end; gap: 8px; height: 120px; }
.bars span { flex: 1; border-radius: 6px 6px 2px 2px; background: linear-gradient(180deg, var(--blue-500), rgba(22,136,224,.35)); }
.bars span:nth-child(even) { background: linear-gradient(180deg, var(--green-500), rgba(85,182,73,.35)); }

.mock-float {
  position: absolute; background: #fff; border: 1px solid var(--line); border-radius: 14px;
  box-shadow: var(--shadow); padding: 12px 14px; display: flex; align-items: center; gap: 12px; font-size: 13px;
}
.mock-float .ico { width: 36px; height: 36px; border-radius: 10px; display: grid; place-items: center; flex: none; }
.mock-float .ico svg { width: 20px; height: 20px; }
.mock-float b { display: block; color: var(--ink-900); font-size: 14px; }
.mock-float span { color: var(--ink-500); }
.float-1 { left: -28px; bottom: 36px; }
.float-1 .ico { background: var(--green-50); color: var(--green-600); }
.float-2 { right: -18px; top: 64px; }
.float-2 .ico { background: var(--blue-50); color: var(--blue-600); }

/* ---------- Partners ---------- */
.partners { padding: 48px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: #fff; }
.partners-title { text-align: center; font-size: 14px; color: var(--ink-500); margin-bottom: 28px; font-weight: 500; }
.marquee { overflow: hidden; -webkit-mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); }
.marquee-track { display: flex; gap: 56px; width: max-content; animation: marquee 40s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-track img {
  height: 44px; width: auto; max-width: 150px; object-fit: contain;
  filter: grayscale(1); opacity: .65; transition: filter .2s, opacity .2s;
}
.marquee-track img:hover { filter: none; opacity: 1; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- Features ---------- */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feature {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 32px;
  transition: transform .2s, box-shadow .2s, border-color .2s;
}
.feature:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: transparent; }
.feature-icon {
  width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center; margin-bottom: 20px;
  background: var(--blue-50); color: var(--blue-600);
}
.feature-icon svg { width: 26px; height: 26px; }
.feature:nth-child(2) .feature-icon { background: var(--green-50); color: var(--green-600); }
.feature:nth-child(3) .feature-icon { background: #fff5e6; color: var(--amber-500); }
.feature h3 { font-size: 20px; }
.feature p { color: var(--ink-500); margin: 0; }

/* ---------- Products ---------- */
.product-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.product {
  position: relative; display: flex; flex-direction: column;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 36px;
  overflow: hidden; transition: box-shadow .2s, transform .2s;
}
.product:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
.product::after {
  content: ""; position: absolute; right: -60px; top: -60px; width: 180px; height: 180px; border-radius: 50%;
  background: var(--accent-soft, var(--blue-50)); z-index: 0;
}
.product > * { position: relative; z-index: 1; }
.product-top { display: flex; align-items: center; gap: 16px; margin-bottom: 18px; }
.product-icon {
  width: 56px; height: 56px; border-radius: 16px; display: grid; place-items: center; flex: none;
  background: var(--accent, var(--blue-600)); color: #fff;
}
.product-icon svg { width: 28px; height: 28px; }
.product-tag { font-size: 12px; font-weight: 700; letter-spacing: .08em; color: var(--accent, var(--blue-600)); text-transform: uppercase; }
.product h3 { font-size: 24px; margin: 0; }
.product > p { color: var(--ink-500); }
.check-list { display: grid; gap: 10px; margin: 4px 0 28px; }
.check-list li { display: flex; gap: 10px; align-items: flex-start; font-size: 15px; }
.check-list svg { width: 20px; height: 20px; flex: none; margin-top: 2px; color: var(--green-500); }
.product .btn { margin-top: auto; align-self: flex-start; }
.product.gas  { --accent: #e0662a; --accent-soft: #fdf0e9; }
.product.fnb  { --accent: #0e6cc0; --accent-soft: var(--blue-50); }
.product.gold { --accent: #c99317; --accent-soft: #fbf4e2; }
.product.crm  { --accent: #3d9a3d; --accent-soft: var(--green-50); }

/* ---------- Industries ---------- */
.industries { display: grid; grid-template-columns: 1fr 1.25fr; gap: 64px; align-items: center; }
.industries .section-title { text-align: left; }
.industry-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.industry {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 12px;
  text-align: center; font-size: 14px; font-weight: 600; color: var(--ink-900);
  transition: border-color .2s, transform .2s;
}
.industry:hover { border-color: var(--blue-500); transform: translateY(-2px); }
.industry span { display: block; font-size: 28px; margin-bottom: 6px; line-height: 1; }
.industry.more { background: var(--brand-gradient); color: #fff; border: 0; display: grid; place-items: center; }
.industry.more span { font-size: 24px; font-weight: 800; }

/* ---------- Pricing ---------- */
.billing-toggle {
  display: inline-flex; padding: 5px; background: #fff; border: 1px solid var(--line); border-radius: 999px;
  margin-top: 28px; box-shadow: var(--shadow-sm);
}
.billing-toggle button {
  border: 0; background: transparent; font: inherit; font-weight: 600; font-size: 14px; color: var(--ink-500);
  padding: 9px 20px; border-radius: 999px; cursor: pointer; display: inline-flex; align-items: center; gap: 6px;
}
.billing-toggle button small { font-size: 11px; color: var(--green-600); background: var(--green-50); padding: 2px 7px; border-radius: 999px; }
.billing-toggle button[aria-pressed="true"] { background: var(--ink-900); color: #fff; }
.billing-toggle button[aria-pressed="true"] small { background: rgba(255,255,255,.15); color: #b9f0b0; }

.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; align-items: stretch; }
.plan {
  position: relative; display: flex; flex-direction: column;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 36px 32px;
}
.plan.featured { border: 2px solid transparent; background: linear-gradient(#fff, #fff) padding-box, var(--brand-gradient) border-box; box-shadow: var(--shadow-lg); }
.plan-ribbon {
  position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  background: var(--brand-gradient); color: #fff; font-size: 12px; font-weight: 700; letter-spacing: .04em;
  padding: 6px 14px; border-radius: 999px; white-space: nowrap;
}
.plan-name { font-size: 14px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--blue-600); margin-bottom: 4px; }
.plan h3 { font-size: 26px; margin-bottom: 6px; }
.plan-desc { font-size: 15px; color: var(--ink-500); min-height: 48px; }
.plan-price { margin: 12px 0 4px; display: flex; align-items: baseline; gap: 6px; flex-wrap: wrap; }
.plan-price strong { font-size: 38px; color: var(--ink-900); letter-spacing: -.03em; line-height: 1; }
.plan-price span { color: var(--ink-500); font-size: 15px; }
.plan-sub { font-size: 14px; color: var(--ink-500); min-height: 46px; margin-bottom: 20px; }
.plan-sub b { color: var(--green-600); }
.plan .check-list { margin-bottom: 32px; }
.plan .check-list li.inherit { font-weight: 600; color: var(--ink-900); }
.plan .btn { margin-top: auto; }
.pricing-note { text-align: center; margin-top: 32px; color: var(--ink-500); font-size: 15px; }

/* ---------- Mobile app ---------- */
.app-section {
  position: relative; overflow: hidden; border-radius: 32px; color: #fff;
  background: linear-gradient(135deg, #0b4f8a 0%, #0e6cc0 45%, #3d9a3d 100%);
  padding: 72px; display: grid; grid-template-columns: 1.1fr 1fr; gap: 48px; align-items: center;
}
.app-section::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(500px 300px at 90% 10%, rgba(255,255,255,.18), transparent 60%);
}
.app-section > * { position: relative; }
.app-section h2 { color: #fff; font-size: clamp(28px, 3.4vw, 40px); letter-spacing: -.02em; }
.app-section p { color: rgba(255,255,255,.85); font-size: 17px; }
.app-section .eyebrow { background: rgba(255,255,255,.15); color: #fff; }
.app-points { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 24px; margin: 24px 0 32px; }
.app-points li { display: flex; gap: 10px; align-items: center; font-weight: 500; }
.app-points svg { width: 20px; height: 20px; color: #b9f0b0; flex: none; }
.app-cta { display: flex; gap: 12px; flex-wrap: wrap; }

.app-qrs { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin-top: 28px; max-width: 580px; }
.app-qr {
  display: flex; align-items: center; gap: 14px;
  padding: 10px 14px 10px 10px; border-radius: 18px;
  background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.22);
}
.app-qr img { width: 112px; height: 112px; border-radius: 10px; background: #fff; padding: 4px; flex: none; }
.app-qr b { display: block; color: #fff; font-size: 15px; margin-bottom: 2px; }
.app-qr span { font-size: 13px; color: rgba(255,255,255,.8); line-height: 1.5; }

.phone-wrap { display: flex; justify-content: center; }
.phone {
  width: 260px; height: 520px; border-radius: 40px; background: #0f1b2d; padding: 12px;
  box-shadow: 0 40px 80px rgba(0,0,0,.35); transform: rotate(-4deg);
}
.phone-screen { width: 100%; height: 100%; border-radius: 30px; background: var(--bg-soft); overflow: hidden; position: relative; color: var(--ink-700); }
.phone-notch { position: absolute; top: 8px; left: 50%; transform: translateX(-50%); width: 80px; height: 22px; border-radius: 12px; background: #0f1b2d; }
.phone-head { background: var(--brand-gradient); color: #fff; padding: 44px 18px 22px; }
.phone-head small { opacity: .85; font-size: 11px; }
.phone-head b { display: block; font-size: 24px; letter-spacing: -.02em; }
.phone-body { padding: 14px; display: grid; gap: 10px; }
.phone-card { background: #fff; border-radius: 14px; padding: 10px 12px; box-shadow: var(--shadow-sm); display: flex; justify-content: space-between; align-items: center; gap: 8px; font-size: 10.5px; white-space: nowrap; color: var(--ink-500); }
.phone-card b { color: var(--ink-900); font-size: 13px; display: block; }
.phone-card em { font-style: normal; color: var(--green-600); font-weight: 700; }
.phone-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.phone-grid i { aspect-ratio: 1; border-radius: 12px; background: #fff; box-shadow: var(--shadow-sm); position: relative; }
.phone-grid i::after { content: ""; position: absolute; inset: 30%; border-radius: 6px; background: var(--blue-50); }
.phone-grid i:nth-child(odd)::after { background: var(--green-50); }

/* SENPOS GO card */
.go-card {
  margin-top: 24px; display: grid; grid-template-columns: auto 1fr auto; gap: 28px; align-items: center;
  background: #fff; border: 1px solid var(--line); border-radius: 28px; padding: 32px 40px;
  box-shadow: var(--shadow-sm);
}
.go-icon {
  width: 72px; height: 72px; border-radius: 20px; display: grid; place-items: center;
  background: linear-gradient(135deg, #ff8a3d, #f0a020); color: #fff; box-shadow: 0 10px 24px rgba(240,160,32,.3);
}
.go-icon svg { width: 36px; height: 36px; }
.go-tag { display: inline-block; font-size: 12px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: #d9770f; background: #fff3e2; padding: 4px 10px; border-radius: 999px; margin-bottom: 8px; }
.go-body h3 { font-size: 24px; margin-bottom: 6px; }
.go-body p { color: var(--ink-500); margin-bottom: 16px; }
.go-qr { display: flex; flex-direction: column; align-items: center; gap: 6px; }
.go-qr img { width: 120px; height: 120px; border-radius: 12px; border: 1px solid var(--line); padding: 4px; background: #fff; }
.go-qr span { font-size: 13px; color: var(--ink-500); font-weight: 500; }
@media (max-width: 760px) {
  .go-card { grid-template-columns: 1fr; text-align: center; justify-items: center; padding: 28px 20px; gap: 18px; }
}

/* ---------- News ---------- */
.news-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.news-card {
  display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); overflow: hidden; transition: box-shadow .2s, transform .2s; color: inherit;
}
.news-card:hover { box-shadow: var(--shadow); transform: translateY(-3px); color: inherit; }
.news-thumb { aspect-ratio: 16 / 10; display: grid; place-items: center; background: var(--blue-50); color: var(--blue-600); position: relative; }
.news-thumb svg { width: 44px; height: 44px; opacity: .8; }
.news-card:nth-child(2) .news-thumb { background: #fdeeee; color: #d0453a; }
.news-card:nth-child(3) .news-thumb { background: var(--green-50); color: var(--green-600); }
.news-card:nth-child(4) .news-thumb { background: #fbf4e2; color: #c99317; }
.news-date {
  position: absolute; left: 14px; top: 14px; background: #fff; border-radius: 10px; padding: 6px 10px;
  text-align: center; line-height: 1.1; box-shadow: var(--shadow-sm);
}
.news-date b { display: block; font-size: 18px; color: var(--ink-900); }
.news-date small { font-size: 11px; color: var(--ink-500); }
.news-body { padding: 20px; display: flex; flex-direction: column; flex: 1; }
.news-cat { font-size: 12px; font-weight: 700; color: var(--blue-600); text-transform: uppercase; letter-spacing: .06em; margin-bottom: 8px; }
.news-body h3 { font-size: 16px; line-height: 1.45; margin-bottom: 10px; }
.news-body p { font-size: 14px; color: var(--ink-500); margin-bottom: 16px; }
.news-more { margin-top: auto; font-size: 14px; font-weight: 600; color: var(--blue-600); display: inline-flex; align-items: center; gap: 6px; }
.news-more svg { width: 16px; height: 16px; transition: transform .2s; }
.news-card:hover .news-more svg { transform: translateX(3px); }

/* ---------- FAQ ---------- */
.faq-wrap { display: grid; grid-template-columns: 1fr 1.4fr; gap: 64px; align-items: start; }
.faq-wrap .section-head { text-align: left; margin: 0; }
.faq-list { display: grid; gap: 12px; }
.faq-item { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); }
.faq-item summary {
  list-style: none; cursor: pointer; padding: 20px 24px; font-weight: 600; color: var(--ink-900);
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: ""; width: 10px; height: 10px; flex: none; border-right: 2px solid var(--ink-500); border-bottom: 2px solid var(--ink-500);
  transform: rotate(45deg) translateY(-3px); transition: transform .2s;
}
.faq-item[open] summary::after { transform: rotate(-135deg) translateY(-3px); }
.faq-item[open] { border-color: var(--blue-500); box-shadow: var(--shadow-sm); }
.faq-item .faq-answer { padding: 0 24px 20px; color: var(--ink-500); }
.faq-item .faq-answer p:last-child { margin: 0; }

/* ---------- Contact ---------- */
.contact-wrap { max-width: 1040px; margin: 0 auto; }
.contact-info {
  background: var(--ink-900); color: rgba(255,255,255,.8); border-radius: var(--radius-lg); padding: 40px;
  display: flex; flex-direction: column; position: relative; overflow: hidden;
}
.contact-info::after {
  content: ""; position: absolute; width: 280px; height: 280px; right: -100px; bottom: -100px; border-radius: 50%;
  background: var(--brand-gradient); opacity: .35; filter: blur(10px);
}
.contact-info > * { position: relative; z-index: 1; }
.contact-info h3 { color: #fff; font-size: 26px; }
.contact-list { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; margin: 28px 0 32px; }
.contact-list li { display: flex; gap: 14px; align-items: flex-start; }
.contact-list .ico { width: 44px; height: 44px; border-radius: 12px; background: rgba(255,255,255,.08); display: grid; place-items: center; flex: none; color: #8fd4ff; }
.contact-list .ico svg { width: 20px; height: 20px; }
.contact-list small { display: block; font-size: 13px; color: rgba(255,255,255,.55); }
.contact-list a, .contact-list b { color: #fff; font-weight: 600; font-size: 17px; }
.contact-links { margin-top: auto; display: flex; gap: 10px; flex-wrap: wrap; }

/* ---------- CTA band ---------- */
.cta-band { padding: 0 0 96px; }
.cta-inner {
  border-radius: 28px; padding: 56px; background: var(--bg-soft); border: 1px solid var(--line);
  display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap;
}
.cta-inner h2 { font-size: clamp(24px, 3vw, 34px); margin-bottom: 8px; letter-spacing: -.02em; }
.cta-inner p { margin: 0; color: var(--ink-500); font-size: 17px; }
.cta-inner .hero-cta { margin: 0; }

/* ---------- Footer ---------- */
.site-footer { background: #0b1626; color: rgba(255,255,255,.65); padding: 72px 0 0; font-size: 15px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.4fr; gap: 48px; padding-bottom: 56px; }
.footer-logo { background: #fff; border-radius: 12px; padding: 8px 12px; display: inline-block; margin-bottom: 20px; }
.footer-logo img { height: 40px; width: auto; }
.site-footer h4 { color: #fff; font-size: 15px; letter-spacing: .04em; text-transform: uppercase; margin-bottom: 18px; }
.site-footer ul { display: grid; gap: 10px; }
.site-footer a { color: rgba(255,255,255,.65); }
.site-footer a:hover { color: #fff; }
.footer-contact li { display: flex; gap: 10px; align-items: flex-start; }
.footer-contact svg { width: 18px; height: 18px; color: var(--green-500); flex: none; margin-top: 3px; }
.footer-posts a { display: block; line-height: 1.5; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); padding: 22px 0; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: 14px; }

/* Back to top */
.to-top {
  position: fixed; right: 24px; bottom: 24px; z-index: 90; width: 46px; height: 46px; border-radius: 50%;
  border: 0; background: var(--ink-900); color: #fff; cursor: pointer; display: grid; place-items: center;
  box-shadow: var(--shadow); opacity: 0; transform: translateY(12px); pointer-events: none; transition: opacity .2s, transform .2s;
}
.to-top.show { opacity: 1; transform: none; pointer-events: auto; }
.to-top svg { width: 20px; height: 20px; }

/* Floating Zalo button */
.zalo-float {
  position: fixed; left: 24px; bottom: 24px; z-index: 90;
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 18px 12px 14px; border-radius: 999px;
  background: #0068ff; color: #fff; font-weight: 600; font-size: 15px;
  box-shadow: 0 10px 24px rgba(0, 104, 255, .35);
  transition: transform .15s ease, box-shadow .2s ease;
}
.zalo-float:hover { color: #fff; transform: translateY(-2px); box-shadow: 0 14px 30px rgba(0, 104, 255, .45); }
.zalo-float svg { width: 22px; height: 22px; }
.zalo-float::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit; border: 2px solid #0068ff;
  animation: zalo-pulse 2s ease-out infinite; pointer-events: none;
}
@keyframes zalo-pulse { from { opacity: .6; transform: scale(1); } to { opacity: 0; transform: scale(1.25); } }
@media (max-width: 640px) {
  .zalo-float { left: 16px; bottom: 16px; padding: 12px; }
  .zalo-float span { display: none; }
}

/* Reveal on scroll */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }
.no-js .reveal { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 1240px) {
  .header-phone { display: none; }
}

@media (max-width: 1100px) {
  .news-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 960px) {
  .section { padding: 72px 0; }
  .nav-toggle { display: inline-flex; }
  .main-nav {
    position: fixed; inset: var(--header-h) 0 auto 0; background: #fff; border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow); padding: 12px 24px 20px; display: none;
  }
  .nav-open .main-nav { display: block; }
  .main-nav ul { flex-direction: column; gap: 2px; }
  .main-nav a { padding: 12px 14px; border-radius: 10px; }
  .header-inner { gap: 16px; }
  .brand { margin-right: auto; }

  .hero { padding: 48px 0 72px; }
  .hero-grid { grid-template-columns: 1fr; gap: 56px; }
  .mock { max-width: 560px; margin: 0 auto; width: 100%; }
  .feature-grid { grid-template-columns: 1fr; }
  .product-grid { grid-template-columns: 1fr; }
  .industries { grid-template-columns: 1fr; gap: 40px; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; gap: 32px; }
  .app-section { grid-template-columns: 1fr; padding: 48px 32px; }
  .faq-wrap { grid-template-columns: 1fr; gap: 32px; }
  .contact-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 640px) {
  .container { padding: 0 16px; }
  .header-actions .btn { display: none; }
  .brand img { height: 40px; }
  .hero-lead { font-size: 17px; }
  .hero-stats { gap: 24px; }
  .hero-cta .btn { flex: 1; }
  .mock-body { grid-template-columns: 1fr; }
  .mock-side { display: none; }
  .mock-kpis { grid-template-columns: 1fr 1fr; }
  .mock-kpis .kpi:nth-child(3) { display: none; }
  .float-1 { left: 8px; bottom: -24px; }
  .float-2 { display: none; }
  .industry-grid { grid-template-columns: repeat(2, 1fr); }
  .billing-toggle button { padding: 8px 12px; }
  .billing-toggle button small { display: none; }
  .plan { padding: 32px 24px; }
  .app-section { border-radius: 24px; padding: 40px 20px; }
  .app-points { grid-template-columns: 1fr; }
  .app-qrs { grid-template-columns: 1fr; }
  .phone { width: 220px; height: 440px; }
  .news-grid { grid-template-columns: 1fr; }
  .contact-info { padding: 28px 20px; }
  .contact-list { grid-template-columns: 1fr; }
  .cta-inner { padding: 36px 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 36px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}