/* The public page for Preia POS. It shares the product's own finish: one
   typeface, three weights, a warm ground, two radii, no outlines. Every image
   on it is a screenshot of the running system. Standalone: it never loads the
   workspace stylesheet, and it downloads no fonts. */
.pos-landing {
  --ground: #f0f1eb; --surface: #fffefa; --sunken: #e0e9da;
  --ink: #263b34; --soft: #576c60; --faint: #697b6e;
  --accent: #305e4b; --accent-ink: #fffefa;
  --bezel: #263b34; --shadow: 0 24px 60px -30px rgba(29, 29, 27, 0.45);
  --r: 16px; --pill: 999px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  .pos-landing {
    --ground: #15241f; --surface: #20332a; --sunken: #243c32;
    --ink: #f0f1eb; --soft: #bdccbd; --faint: #85847c;
    --accent: #b9dcab; --accent-ink: #18291d;
    --bezel: #0a0a09; --shadow: 0 24px 60px -30px rgba(0, 0, 0, 0.9);
    color-scheme: dark;
  }
}
html { scroll-behavior: auto; }
body.pos-landing {
  margin: 0; background: var(--ground); color: var(--ink);
  font-family: "PingFang TC", "Noto Sans TC", "Microsoft JhengHei", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 17px; line-height: 1.6; -webkit-font-smoothing: antialiased; font-variant-numeric: tabular-nums;
}
.pos-landing * { box-sizing: border-box; }
.pos-landing a { color: inherit; }
.pos-landing h1, .pos-landing h2, .pos-landing h3, .pos-landing p, .pos-landing figure, .pos-landing dl, .pos-landing dd, .pos-landing ul { margin: 0; }
.pos-landing ul { padding: 0; list-style: none; }
.pos-landing img { display: block; max-width: 100%; height: auto; }
.pos-landing :focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 6px; }
.pos-landing .skip-link { position: absolute; left: -9999px; top: 8px; background: var(--surface); padding: 8px 12px; border-radius: 8px; }
.pos-landing .skip-link:focus { left: 16px; z-index: 10; }
.pos-landing .spacer { flex: 1; }

/* width and rhythm */
.pos-landing .top, .pos-landing main, .pos-landing .foot { max-width: 1120px; margin: 0 auto; padding-left: 24px; padding-right: 24px; }
.pos-landing .block { padding: 72px 0 0; }
.pos-landing h2 { font-size: clamp(26px, 3.2vw, 36px); font-weight: 800; letter-spacing: -0.01em; line-height: 1.25; }
.pos-landing h3 { font-size: 19px; font-weight: 600; margin-top: 16px; }
.pos-landing .intro { color: var(--soft); max-width: 40em; margin-top: 12px; }

/* header */
.pos-landing .top { display: flex; align-items: center; gap: 24px; min-height: 68px; }
.pos-landing .brand { font-size: 20px; font-weight: 800; letter-spacing: -0.02em; text-decoration: none; display: inline-flex; align-items: baseline; gap: 6px; }
.pos-landing .brand span { font-weight: 600; color: var(--soft); font-size: 15px; }
.pos-landing .top-nav { display: flex; gap: 20px; font-size: 15px; }
.pos-landing .top-nav a, .pos-landing .staff { text-decoration: none; color: var(--soft); padding: 8px 0; }
.pos-landing .top-nav a:hover, .pos-landing .staff:hover { color: var(--ink); }
.pos-landing .langpick { font: inherit; font-size: 14px; color: var(--soft); background: transparent; border: 0; padding: 8px 4px; min-height: 44px; cursor: pointer; }
.pos-landing .staff { font-size: 14px; }

/* buttons: one primary, one quiet; the same pill as the terminal */
.pos-landing .btn { display: inline-flex; align-items: center; justify-content: center; min-height: 52px; padding: 0 26px; border-radius: var(--pill); font-weight: 600; font-size: 17px; text-decoration: none; }
.pos-landing .btn.primary { background: var(--accent); color: var(--accent-ink); }
.pos-landing .btn.quiet { background: var(--sunken); color: var(--ink); }
.pos-landing .cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.pos-landing .cta.center { justify-content: center; }

/* hero */
.pos-landing .hero { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr); gap: 48px; align-items: center; padding: 48px 0 24px; }
.pos-landing .eyebrow { font-size: 14px; font-weight: 600; color: var(--soft); margin-bottom: 20px; }
.pos-landing .hero h1 { font-size: clamp(38px, 5.4vw, 64px); font-weight: 800; line-height: 1.18; letter-spacing: -0.02em; white-space: pre-line; }
.pos-landing .lede { font-size: 19px; color: var(--soft); margin-top: 20px; max-width: 28em; }
.pos-landing .hero-figure { display: flex; flex-direction: column; align-items: center; gap: 16px; }
.pos-landing figcaption { font-size: 14px; color: var(--soft); text-align: center; max-width: 24em; }

/* the phone: a slim bezel around a real screen */
.pos-landing .phone { width: min(100%, 340px); padding: 10px; background: var(--bezel); border-radius: 44px; box-shadow: var(--shadow); }
.pos-landing .phone img { border-radius: 34px; width: 100%; }
.pos-landing .phone.small { width: min(100%, 300px); }

/* facts */
.pos-landing .facts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin-top: 40px; }
.pos-landing .fact { background: var(--surface); border-radius: var(--r); padding: 22px 24px; display: grid; gap: 4px; }
.pos-landing .fact strong { font-size: 32px; font-weight: 800; letter-spacing: -0.02em; line-height: 1.1; }
.pos-landing .fact span { color: var(--soft); font-size: 15px; }

/* screens: four stages of the same shape, each holding a real screenshot */
.pos-landing .screens { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px 24px; margin-top: 32px; }
.pos-landing .stage { position: relative; aspect-ratio: 4 / 3; overflow: hidden; border-radius: 24px; background: var(--sunken); }
.pos-landing .stage.dark { background: #243c32; }
.pos-landing .stage img { position: absolute; left: 50%; transform: translateX(-50%); top: 28px; }
.pos-landing .shot-wide { width: 88%; border-radius: 10px; }
.pos-landing .shot-phone { width: 44%; border-radius: 28px; }
.pos-landing .screen p { color: var(--soft); margin-top: 6px; }

/* what it hears */
.pos-landing .hears { display: grid; gap: 12px; margin-top: 28px; }
.pos-landing .hears li { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 8px 32px; align-items: baseline; background: var(--surface); border-radius: var(--r); padding: 20px 24px; }
.pos-landing .hears q { font-size: 20px; font-weight: 600; quotes: "「" "」"; }
html[lang="en"] .pos-landing .hears q { quotes: "“" "”"; }
.pos-landing .hears span { color: var(--soft); }
.pos-landing .more { margin-top: 20px; }
.pos-landing .more a { font-weight: 600; text-decoration: none; color: var(--accent); }

/* setup */
.pos-landing .start { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr); gap: 48px; align-items: center; }
.pos-landing .start p { margin-top: 16px; max-width: 32em; }
.pos-landing .start .honest { color: var(--soft); font-size: 15px; margin-top: 28px; }
.pos-landing .start-figure { display: flex; justify-content: center; }

/* faq, plain */
.pos-landing .faq { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; margin-top: 28px; }
.pos-landing .faq dt { font-weight: 600; }
.pos-landing .faq dd { color: var(--soft); margin-top: 6px; }

/* closing and footer */
.pos-landing .closing { text-align: center; padding: 96px 0 72px; }
.pos-landing .closing p { color: var(--soft); margin-top: 12px; }
.pos-landing .foot { display: flex; align-items: center; gap: 16px; padding-top: 24px; padding-bottom: 40px; color: var(--soft); font-size: 14px; }
.pos-landing .foot a { text-decoration: none; }

@media (max-width: 900px) {
  .pos-landing .hero { grid-template-columns: 1fr; gap: 36px; padding-top: 24px; }
  .pos-landing .start { grid-template-columns: 1fr; gap: 32px; }
  .pos-landing .faq { grid-template-columns: 1fr; }
  .pos-landing .top-nav { display: none; }
}
@media (max-width: 640px) {
  .pos-landing .top, .pos-landing main, .pos-landing .foot { padding-left: 16px; padding-right: 16px; }
  body.pos-landing { font-size: 16px; }
  .pos-landing .block { padding-top: 56px; }
  .pos-landing .lede { font-size: 17px; }
  .pos-landing .facts { grid-template-columns: 1fr; gap: 10px; margin-top: 32px; }
  .pos-landing .fact { grid-template-columns: auto 1fr; align-items: baseline; gap: 12px; padding: 16px 20px; }
  .pos-landing .fact strong { font-size: 24px; }
  .pos-landing .screens { grid-template-columns: 1fr; }
  .pos-landing .hears li { grid-template-columns: 1fr; padding: 16px 20px; }
  .pos-landing .hears q { font-size: 18px; }
  .pos-landing .btn { width: 100%; }
  .pos-landing .closing { padding: 72px 0 48px; }
  .pos-landing .foot { flex-wrap: wrap; }
}
@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }

.pos-landing .demo-note { font-size:13px; color:var(--soft); margin-top:14px; }

/* The same forest-green workspace, opened up for the product story. */
.pos-landing .brand { font-size:30px; letter-spacing:-.07em; font-weight:650; }
.pos-landing .brand span { font-size:11px; letter-spacing:.12em; margin-left:4px; }
.pos-landing .top { min-height:88px; border-bottom:1px solid var(--sunken); }
.pos-landing .eyebrow { color:var(--accent); font-size:13px; letter-spacing:.08em; }
.pos-landing .hero { padding-top:60px; gap:64px; }
.pos-landing .hero h1 { letter-spacing:-.055em; }
.pos-landing .hero-figure { padding:24px 20px; background:var(--sunken); border-radius:32px; }
.pos-landing .phone { width:min(100%,300px); padding:7px; border-radius:28px; }
.pos-landing .phone img { border-radius:22px; }
.pos-landing .hero-figure .phone { overflow:hidden; }
.pos-landing .hero-figure figcaption { font-size:12px; }
.pos-landing .btn { border-radius:12px; font-size:16px; }
.pos-landing .fact { padding:24px; border:1px solid var(--sunken); }
.pos-landing .fact strong { font-size:28px; color:var(--accent); }
.pos-landing .hears li { border-left:3px solid var(--accent); border-radius:0 16px 16px 0; padding:24px; }
.pos-landing .stage.dark { background:#172c29; }
.pos-landing .stage { border:1px solid var(--sunken); }
.pos-landing .shot-phone { border-radius:12px; }
.pos-landing .start { padding:40px; margin-top:80px; border-radius:24px; background:var(--sunken); }
.pos-landing .start .btn.primary { margin-top:0; }
.pos-landing .closing { border-bottom:1px solid var(--sunken); }
@media(max-width:900px) { .pos-landing .hero { gap:32px; } .pos-landing .hero-copy { max-width:42em; } }
@media(max-width:640px) { .pos-landing .top { gap:12px; min-height:72px; } .pos-landing .hero { padding-top:32px; } .pos-landing .hero-figure { padding:20px; } .pos-landing .start { padding:24px 20px; margin-top:56px; } .pos-landing .fact strong { font-size:23px; } }

/* Let the real screens carry the detail; keep the reading path brief. */
.pos-landing .screen p { font-size:15px; }
.pos-landing .start { grid-template-columns:1fr; padding:40px; max-width:100%; }
.pos-landing .start-copy { max-width:760px; }
.pos-landing .start .honest { margin-top:12px; font-size:13px; }
.pos-landing .start .cta { margin-top:24px; }
.pos-landing .faq { grid-template-columns:1fr; gap:0; }
.pos-landing .faq details { border-bottom:1px solid var(--sunken); padding:20px 0; }
.pos-landing .faq summary { cursor:pointer; font-size:18px; font-weight:600; }
.pos-landing .faq details p { max-width:58em; color:var(--soft); margin-top:12px; font-size:15px; }
.pos-landing .closing { padding:72px 0 56px; }
@media(max-width:640px) { .pos-landing .start { padding:24px 20px; } .pos-landing .screen p { font-size:14px; } .pos-landing .faq summary { font-size:16px; } }