:root {
  --ink: #16211c;
  --ink-soft: #5b6a63;
  --paper: #fbfcfb;
  --card: #ffffff;
  --line: #dde4e0;
  --scan: #0e7a4f;
  --scan-soft: #e2f2ea;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--paper);
}

.wrap {
  max-width: 920px;
  margin: 0 auto;
  padding: 0 24px;
}

header {
  padding: 56px 0 28px;
  text-align: center;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

/* Brand mark: a QR finder-pattern square with a scan line through it —
   the same motif used in the extension's own UI. */
.mark {
  width: 34px; height: 34px;
  border: 6px solid var(--ink);
  border-radius: 7px;
  position: relative;
  flex: none;
}
.mark::after {
  content: "";
  position: absolute;
  left: -12px; right: -12px; top: 50%;
  height: 4px;
  background: var(--scan);
  transform: translateY(-50%);
}

h1 { font-size: 32px; margin: 0; letter-spacing: -0.01em; }

.tagline {
  color: var(--ink-soft);
  font-size: 17px;
  margin-top: 10px;
}

.cta-row {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 24px;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 10px 20px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--ink);
  text-decoration: none;
  font-size: 14.5px;
  font-weight: 500;
}
.btn:hover { background: #f2f5f3; }
.btn.primary {
  background: var(--scan);
  border-color: var(--scan);
  color: #fff;
}
.btn.primary:hover { background: #0b6a44; }

main { padding: 8px 0 60px; }

section { margin: 48px 0; }

h2 {
  font-size: 21px;
  margin: 0 0 16px;
  letter-spacing: -0.01em;
}

p { color: var(--ink); }
p.muted { color: var(--ink-soft); }

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}

.feature-card {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--card);
  padding: 18px 20px;
}
.feature-card h3 {
  font-size: 15px;
  margin: 0 0 6px;
  color: var(--scan);
}
.feature-card p {
  font-size: 14px;
  color: var(--ink-soft);
  margin: 0;
}

.hero-shot {
  margin: 0 0 32px;
}
.hero-shot img {
  width: 100%;
  display: block;
  border-radius: 12px;
  border: 1px solid var(--line);
  box-shadow: 0 8px 28px rgba(22, 33, 28, 0.12);
}
.hero-shot figcaption {
  margin-top: 14px;
  color: var(--ink-soft);
  font-size: 15px;
  text-align: center;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

.showcase {
  display: flex;
  flex-direction: column;
  gap: 40px;
}
.showcase-item {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 28px;
  align-items: center;
}
.showcase-item.reverse img { order: 2; }
.showcase-item img {
  width: 100%;
  display: block;
  border-radius: 10px;
  border: 1px solid var(--line);
  box-shadow: 0 4px 16px rgba(22, 33, 28, 0.08);
}
.showcase-text h3 {
  font-size: 16.5px;
  margin: 0 0 8px;
  color: var(--ink);
}
.showcase-text p {
  font-size: 14.5px;
  color: var(--ink-soft);
  margin: 0;
}
@media (max-width: 640px) {
  .showcase-item, .showcase-item.reverse {
    grid-template-columns: 1fr;
  }
  .showcase-item.reverse img { order: 0; }
}

.privacy-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--scan);
  background: var(--scan-soft);
  color: var(--scan);
  border-radius: 8px;
  padding: 14px 18px;
  font-size: 14.5px;
}

article.policy h2 { margin-top: 40px; }
article.policy table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  font-size: 14px;
}
article.policy th, article.policy td {
  text-align: left;
  padding: 8px 10px;
  border: 1px solid var(--line);
  vertical-align: top;
}
article.policy th { background: #f2f5f3; }
article.policy code {
  background: #f2f5f3;
  padding: 1px 5px;
  border-radius: 4px;
  font-size: 13px;
}

footer {
  border-top: 1px solid var(--line);
  padding: 24px 0 48px;
  text-align: center;
  color: var(--ink-soft);
  font-size: 13px;
}
footer a { color: var(--ink-soft); }
footer .links { margin-top: 8px; }
footer .links a { margin: 0 8px; }