/* Loqui — trang giới thiệu + blog (HTML tĩnh, để Google đọc được chữ mà không cần chạy app).
   Màu khớp src/index.css của app. Mọi lớp mang tiền tố .lq- để không đụng Tailwind của app. */
.lq {
  --navy: #0E1F4D; --navy-deep: #091638; --navy-700: #1B3275; --navy-50: #F2F4FB;
  --amber: #F5B400; --amber-deep: #D89A00; --amber-50: #FFF9E6;
  --cream: #FAF7F2; --surface: #FFFFFF; --surface-alt: #F4F1EA; --line: #E8E3D8;
  --ink: #14213D; --ink-70: #445069; --ink-50: #6B7689; --teal: #0E7C7B;
  font-family: "Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  color: var(--ink); background: var(--cream); line-height: 1.6; font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
.lq *, .lq *::before, .lq *::after { box-sizing: border-box; }
.lq a { color: var(--navy-700); }
.lq-wrap { max-width: 1040px; margin: 0 auto; padding: 0 20px; }
.lq-narrow { max-width: 720px; }

/* Thanh trên */
.lq-top { display: flex; align-items: center; gap: 16px; padding-block: 18px; }
.lq-brand { display: inline-flex; align-items: center; gap: 9px; font-weight: 800; font-size: 20px;
  color: var(--navy); text-decoration: none; letter-spacing: -0.01em; }
.lq-brand i { display: inline-flex; align-items: flex-end; gap: 3px; height: 20px; }
.lq-brand i b { width: 4px; border-radius: 2px; background: var(--teal); }
.lq-brand i b:nth-child(1) { height: 9px; } .lq-brand i b:nth-child(2) { height: 15px; }
.lq-brand i b:nth-child(3) { height: 12px; } .lq-brand i b:nth-child(4) { height: 20px; background: var(--amber); }
.lq-nav { margin-left: auto; display: flex; align-items: center; gap: 18px; font-size: 14px; font-weight: 600; }
.lq-nav a { color: var(--ink-70); text-decoration: none; }
.lq-nav a:hover { color: var(--navy); }

/* Nút */
.lq-btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 14px 22px;
  border-radius: 14px; font-weight: 800; font-size: 16px; text-decoration: none; border: 1px solid transparent;
  transition: transform .12s ease, filter .12s ease; }
.lq-btn:active { transform: scale(.98); }
.lq-btn-primary { background: var(--amber); color: var(--navy) !important; box-shadow: 0 8px 28px rgba(245,180,0,.45); }
.lq-btn-primary:hover { filter: brightness(1.05); }
.lq-btn-ghost { background: var(--surface); color: var(--navy) !important; border-color: var(--line); }
.lq-btn-sm { padding: 9px 14px; font-size: 14px; border-radius: 10px; }

/* Hero */
.lq-hero { padding-block: 36px 44px; }
.lq-eyebrow { font-size: 12.5px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; color: var(--teal); }
.lq-hero h1 { font-size: clamp(32px, 5.4vw, 54px); line-height: 1.1; letter-spacing: -0.025em; font-weight: 800;
  margin: 12px 0 0; color: var(--navy); }
.lq-hero h1 span { color: var(--amber-deep); display: block; }
.lq-lead { font-size: clamp(16px, 2vw, 19px); color: var(--ink-70); max-width: 640px; margin: 18px 0 0; }
.lq-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.lq-note { font-size: 13.5px; color: var(--ink-50); margin-top: 14px; }

/* Ví dụ hội thoại */
.lq-demo { margin-top: 34px; display: grid; gap: 12px; max-width: 640px; }
.lq-bubble { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 14px 16px;
  box-shadow: 0 4px 14px rgba(14,31,77,.06); }
.lq-bubble small { display: block; font-size: 11.5px; font-weight: 800; letter-spacing: .06em; text-transform: uppercase;
  color: var(--ink-50); margin-bottom: 4px; }
.lq-bubble p { margin: 0; font-size: 16px; font-weight: 600; }
.lq-bubble p + p { margin-top: 6px; font-weight: 500; font-style: italic; color: var(--ink-70); }
.lq-bubble.is-raw { background: var(--surface-alt); box-shadow: none; }
.lq-bubble.is-raw p { font-weight: 500; color: var(--ink-70); }
.lq-bubble.is-host { background: var(--amber-50); border-color: #FCE39A; }

/* Khối nội dung */
.lq-sec { padding: 46px 0; border-top: 1px solid var(--line); }
.lq-sec h2 { font-size: clamp(24px, 3.4vw, 32px); line-height: 1.2; letter-spacing: -0.02em; margin: 0 0 8px; color: var(--navy); }
.lq-sec > .lq-wrap > p.lq-sub { color: var(--ink-70); margin: 0 0 24px; max-width: 640px; }
.lq-grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.lq-card { background: var(--surface); border: 1px solid var(--line); border-radius: 18px; padding: 20px; }
.lq-card h3 { margin: 0 0 6px; font-size: 17px; color: var(--navy); }
.lq-card p { margin: 0; color: var(--ink-70); font-size: 15px; }
.lq-step { counter-increment: lqstep; }
.lq-step h3::before { content: counter(lqstep); display: inline-flex; align-items: center; justify-content: center;
  width: 26px; height: 26px; margin-right: 8px; border-radius: 8px; background: var(--navy); color: #fff; font-size: 14px; }
.lq-steps { counter-reset: lqstep; }
.lq-langs { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 4px; }
.lq-langs span { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 7px 12px;
  font-weight: 700; font-size: 14.5px; }
.lq-price b { font-size: 26px; color: var(--navy); letter-spacing: -0.02em; }
.lq-price ul { margin: 10px 0 0; padding-left: 18px; color: var(--ink-70); font-size: 15px; }
.lq-price li { margin: 3px 0; }
.lq-card.is-accent { border-color: var(--amber); box-shadow: 0 8px 28px rgba(245,180,0,.18); }
.lq-honest { background: var(--navy-50); border: 1px solid #E5EAF7; border-radius: 18px; padding: 20px; color: var(--ink-70); }
.lq-honest b { color: var(--navy); }
.lq-faq details { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 14px 16px; margin-bottom: 10px; }
.lq-faq summary { font-weight: 700; cursor: pointer; color: var(--navy); }
.lq-faq p { margin: 8px 0 0; color: var(--ink-70); }
.lq-posts a { display: block; text-decoration: none; }
.lq-posts a h3 { text-decoration: underline; text-decoration-color: var(--line); text-underline-offset: 3px; }
.lq-foot { padding: 30px 0 40px; border-top: 1px solid var(--line); color: var(--ink-50); font-size: 14px; }
.lq-foot a { color: var(--ink-70); }

/* Bài blog */
.lq-article { padding-block: 20px 50px; }
.lq-article h1 { font-size: clamp(27px, 4.2vw, 38px); line-height: 1.18; letter-spacing: -0.02em; color: var(--navy); margin: 10px 0 6px; }
.lq-meta { color: var(--ink-50); font-size: 14px; margin: 0 0 26px; }
.lq-article h2 { font-size: 23px; line-height: 1.25; color: var(--navy); margin: 34px 0 10px; letter-spacing: -0.01em; }
.lq-article p, .lq-article li { font-size: 17px; color: var(--ink); }
.lq-article p { margin: 0 0 16px; }
.lq-article ul, .lq-article ol { padding-left: 22px; margin: 0 0 16px; }
.lq-article li { margin: 6px 0; }
.lq-article em { color: var(--ink-70); }
.lq-table { overflow-x: auto; margin: 0 0 20px; border: 1px solid var(--line); border-radius: 14px; background: var(--surface); }
.lq-table table { border-collapse: collapse; width: 100%; min-width: 760px; font-size: 14.5px; }
.lq-table th, .lq-table td { padding: 10px 12px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--line); }
.lq-table th { background: var(--surface-alt); color: var(--navy); font-size: 13.5px; }
.lq-table tr:last-child td { border-bottom: 0; }
.lq-box { background: var(--amber-50); border: 1px solid #FCE39A; border-radius: 18px; padding: 20px; margin-top: 34px; }
.lq-box p { margin: 0 0 14px; font-size: 16px; }

@media (max-width: 560px) {
  .lq-nav a.lq-hide-sm { display: none; }
  .lq-btn { width: 100%; }
  .lq-sec { padding: 36px 0; }
}