/* Sovereign QR landing page. Same look as Sovereign QR Lite:
   frosted glass panels over a dark, misty warehouse floor, teal accent. */
:root {
  --text: #ffffff;
  --muted: rgba(255, 255, 255, .62);
  --border: rgba(255, 255, 255, .12);
  --accent: #8cd7d7; /* teal */
  --accent-soft: rgba(140, 215, 215, .14);
  --accent-strong: rgba(140, 215, 215, .30);
  --accent-text: #0b1520;
  --glass: rgba(16, 24, 40, .38);
  --glass-border: rgba(255, 255, 255, .10);
  --glass-shadow: 0 22px 60px rgba(0, 0, 0, .28), inset 0 1px 0 rgba(255, 255, 255, .06);
  --bg: rgba(255, 255, 255, .07);
  --radius: 22px;
  --radius-sm: 13px;
  --gap: 20px;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 72px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  min-height: 100vh;
  background: #070b0e;
  color: var(--text);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
/* Fixed layer (not background-attachment: fixed, which iOS ignores). */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(rgba(10, 16, 28, .15), rgba(10, 16, 28, .15)),
    url("/img/bg-warehouse.webp") 25% 65% / cover no-repeat;
}
h1, h2, h3 { font-weight: 500; letter-spacing: -.02em; margin: 0; }
p { margin: 0; }
a { color: var(--accent); }
.muted { color: var(--muted); }
.visually-hidden {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap;
}

/* ---- glass ---- */
.panel, .topbar {
  background: var(--glass);
  -webkit-backdrop-filter: blur(22px);
  backdrop-filter: blur(22px);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
}
.panel { border-radius: var(--radius); }

/* ---- top bar ---- */
.topbar {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: .75rem 16px; position: sticky; top: 0; z-index: 10;
  border-width: 0 0 1px; box-shadow: none;
}
.brand {
  display: flex; align-items: center; gap: .6rem;
  font-weight: 700; text-decoration: none; color: var(--text); white-space: nowrap;
}
.brand img { border-radius: 7px; }
.topbar nav { display: flex; gap: .25rem; }
.topbar nav a {
  padding: .35rem .85rem; border-radius: 999px; text-decoration: none;
  color: var(--muted); border: 1px solid transparent;
}
.topbar nav a:hover { color: var(--text); background: var(--bg); }

/* ---- layout ---- */
main {
  max-width: 1100px; margin: 0 auto; padding: 32px 16px 16px;
  display: flex; flex-direction: column; gap: 56px;
}
.section-title { font-size: 1.5rem; text-align: center; margin-bottom: var(--gap); }
.section-sub { color: var(--muted); text-align: center; margin: calc(var(--gap) * -.5) 0 var(--gap); }
.grid-2, .grid-3, .grid-features { display: grid; gap: var(--gap); grid-template-columns: minmax(0, 1fr); }
@media (min-width: 720px) {
  .grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .grid-features { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (min-width: 980px) { .grid-features { grid-template-columns: repeat(4, minmax(0, 1fr)); } }

.card { padding: 22px; }
.card h3 { font-size: 1.1rem; margin-bottom: .4rem; }
.card p { color: var(--muted); }

/* ---- buttons ---- */
.actions { display: flex; flex-wrap: wrap; justify-content: center; gap: .75rem; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; min-height: 44px;
  padding: .6rem 1.25rem; border-radius: 999px; font-weight: 600; text-decoration: none;
  color: var(--text); background: var(--bg); border: 1px solid var(--border);
}
.btn:hover { background: var(--accent-soft); border-color: var(--accent-strong); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
.btn-primary:hover { background: #a6e3e3; border-color: #a6e3e3; }
.btn:focus-visible, .topbar a:focus-visible, .footer a:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

/* ---- hero ---- */
.hero {
  max-width: 640px; width: 100%; margin: 4vh auto 0; padding: 40px 24px;
  display: flex; flex-direction: column; align-items: center; gap: .9rem; text-align: center;
}
.hero-icon { border-radius: 20px; box-shadow: 0 12px 30px rgba(0, 0, 0, .35); }
.hero h1 { font-size: clamp(2rem, 7vw, 2.75rem); }
.tagline { font-size: clamp(1.15rem, 4vw, 1.4rem); }
.hero .actions { margin-top: .6rem; }

/* ---- editions ---- */
.edition { display: flex; flex-direction: column; gap: .75rem; align-items: flex-start; }
.edition h3 { font-size: 1.3rem; margin: 0; }
.edition .btn { margin-top: auto; }
.badge {
  display: inline-block; padding: .2rem .7rem; border-radius: 999px; font-size: .85rem;
  background: var(--bg); border: 1px solid var(--border); color: var(--muted);
}
.badge-live { background: var(--accent-soft); border-color: var(--accent-strong); color: var(--accent); }
.ticks { list-style: none; margin: 0 0 .5rem; padding: 0; display: grid; gap: .3rem; }
.ticks li { padding-left: 1.6rem; position: relative; }
.ticks li::before {
  content: ""; position: absolute; left: .3rem; top: .3em; width: .4rem; height: .75rem;
  border: solid var(--accent); border-width: 0 2px 2px 0; transform: rotate(45deg);
}
/* The code itself stays black on white so it scans. */
.lite-qr { margin: 0 0 .5rem; display: flex; align-items: center; gap: 1rem; }
.lite-qr img { width: 112px; height: 112px; background: #fff; border-radius: var(--radius-sm); padding: 6px; flex: none; }
.lite-qr figcaption { color: var(--muted); font-size: .9rem; }

/* ---- comparison ---- */
.table-panel { padding: 8px 4px; overflow-x: auto; }
.compare { width: 100%; border-collapse: collapse; }
.compare th, .compare td { padding: .7rem .9rem; text-align: left; border-bottom: 1px solid var(--border); }
.compare tbody tr:last-child th, .compare tbody tr:last-child td { border-bottom: 0; }
.compare thead th { font-weight: 600; }
.compare tbody th { font-weight: 400; color: var(--muted); }
.compare td { width: 30%; }
.compare .yes { color: var(--accent); }
.compare .no { color: rgba(255, 255, 255, .35); }
.note { color: var(--muted); font-size: .9rem; text-align: center; margin-top: 1rem; }
@media (max-width: 520px) {
  .compare th, .compare td { padding: .6rem .5rem; font-size: .9rem; }
  .compare td { width: auto; }
}

/* ---- coming soon ---- */
.soon {
  max-width: 640px; width: 100%; margin: 0 auto; padding: 36px 24px;
  display: flex; flex-direction: column; align-items: center; gap: .9rem; text-align: center;
}
.soon h2 { font-size: 1.75rem; }

/* ---- text pages (privacy, support, 404) ---- */
.page { max-width: 720px; width: 100%; margin: 0 auto; padding: 32px 24px; }
.page h1 { font-size: 1.8rem; margin-bottom: 1rem; }
.page h2 { font-size: 1.2rem; margin: 1.75rem 0 .5rem; }
.page p, .page ul { color: var(--muted); margin: 0 0 .75rem; }
.page li { margin-bottom: .35rem; }
.page strong { color: var(--text); font-weight: 600; }
.page .updated { font-size: .9rem; }
.page .actions { justify-content: flex-start; margin-top: 1.25rem; }

/* ---- footer ---- */
.footer {
  max-width: 1100px; margin: 0 auto; padding: 40px 16px 48px;
  display: flex; flex-direction: column; align-items: center; gap: .35rem;
  color: var(--muted); font-size: .85rem; text-align: center;
}
.footer nav { display: flex; gap: 1.25rem; margin-bottom: .5rem; }
.footer nav a { color: var(--muted); }
.footer nav a:hover { color: var(--text); }